commit 82b0275bb1dc2693cbdbe33634d266d4f21b1246
parent cbc288f8892478ae1bd44472057cb140dc6c5b98
Author: Jan Dankert <devnull@localhost>
Date: Tue, 4 Sep 2018 00:05:46 +0200
JQuery-UI hatte die falsche minifizierte Version, Codemirror is erstmal un-minifiziert, da JSqueeze leider ungültiges Javascript erzeugt :-O
Diffstat:
120 files changed, 20589 insertions(+), 30220 deletions(-)
diff --git a/modules/cms-ui/themes/default/production/combined.min.js b/modules/cms-ui/themes/default/production/combined.min.js
@@ -163,10 +163,10 @@ else{t[r]=o}},t,r,arguments.length)}});e.each(["top","left"],function(t,n){e.css
else{e.ready(!0)}};e.isArray=Array.isArray;e.parseJSON=JSON.parse;e.nodeName=c;if(typeof define==="function"&&define.amd){define("jquery",[],function(){return e})};var et=t.jQuery,tt=t.$;e.noConflict=function(n){if(t.$===e){t.$=tt};if(n&&t.jQuery===e){t.jQuery=et};return e};if(!n){t.jQuery=t.$=e};return e});
/* ./modules/cms-ui/themes/default/script/jquery-ui.min.js *//*! jQuery UI - v1.12.1 - 2018-09-03
* http://jqueryui.com
-* Includes: widget.js, data.js, scroll-parent.js, widgets/sortable.js, widgets/mouse.js
+* Includes: widget.js, data.js, scroll-parent.js, widgets/draggable.js, widgets/droppable.js, widgets/sortable.js, widgets/mouse.js
* Copyright jQuery Foundation and other contributors; Licensed MIT */
(function(t){if(typeof define==="function"&&define.amd){define(["jquery"],t)}
-else{t(jQuery)}}(function(t){t.ui=t.ui||{};var c=t.ui.version="1.12.1";
+else{t(jQuery)}}(function(t){t.ui=t.ui||{};var g=t.ui.version="1.12.1";
/*!
* jQuery UI Widget 1.12.1
* http://jqueryui.com
@@ -175,18 +175,18 @@ else{t(jQuery)}}(function(t){t.ui=t.ui||{};var c=t.ui.version="1.12.1";
* Released under the MIT license.
* http://jquery.org/license
*/
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-else{s.queue(function(i){t(this)[e]();if(o){o.call(s[0])};i()})}}});var l=t.widget;
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+else{i._childConstructors.push(o)};t.widget.bridge(e,o);return o};t.widget.extend=function(e){var r=s.call(arguments,1),n=0,a=r.length,i,o;for(;n<a;n++){for(i in r[n]){o=r[n][i];if(r[n].hasOwnProperty(i)&&o!==undefined){if(t.isPlainObject(o)){e[i]=t.isPlainObject(e[i])?t.widget.extend({},e[i],o):t.widget.extend({},o)}
+else{e[i]=o}}}};return e};t.widget.bridge=function(e,i){var o=i.prototype.widgetFullName||e;t.fn[e]=function(n){var h=typeof n==="string",a=s.call(arguments,1),r=this;if(h){if(!this.length&&n==="instance"){r=undefined}
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+else{t.data(this,o,new i(n,this))}})};return r}};t.Widget=function(){};t.Widget._childConstructors=[];t.Widget.prototype={widgetName:"widget",widgetEventPrefix:"",defaultElement:"<div>",options:{classes:{},disabled:!1,create:null},_createWidget:function(e,i){i=t(i||this.defaultElement||this)[0];this.element=t(i);this.uuid=o++;this.eventNamespace="."+this.widgetName+this.uuid;this.bindings=t();this.hoverable=t();this.focusable=t();this.classesElementLookup={};if(i!==this){t.data(i,this.widgetFullName,this);this._on(!0,this.element,{remove:function(t){if(t.target===i){this.destroy()}}});this.document=t(i.style?i.ownerDocument:i.document||i);this.window=t(this.document[0].defaultView||this.document[0].parentWindow)};this.options=t.widget.extend({},this.options,this._getCreateOptions(),e);this._create();if(this.options.disabled){this._setOptionDisabled(this.options.disabled)};this._trigger("create",null,this._getCreateEventData());this._init()},_getCreateOptions:function(){return{}},_getCreateEventData:t.noop,_create:t.noop,_init:t.noop,destroy:function(){var e=this;this._destroy();t.each(this.classesElementLookup,function(t,i){e._removeClass(i,t)});this.element.off(this.eventNamespace).removeData(this.widgetFullName);this.widget().off(this.eventNamespace).removeAttr("aria-disabled");this.bindings.off(this.eventNamespace)},_destroy:t.noop,widget:function(){return this.element},option:function(e,i){var r=e,s,o,n;if(arguments.length===0){return t.widget.extend({},this.options)};if(typeof e==="string"){r={};s=e.split(".");e=s.shift();if(s.length){o=r[e]=t.widget.extend({},this.options[e]);for(n=0;n<s.length-1;n++){o[s[n]]=o[s[n]]||{};o=o[s[n]]};e=s.pop();if(arguments.length===1){return o[e]===undefined?null:o[e]};o[e]=i}
+else{if(arguments.length===1){return this.options[e]===undefined?null:this.options[e]};r[e]=i}};this._setOptions(r);return this},_setOptions:function(t){var e;for(e in t){this._setOption(e,t[e])};return this},_setOption:function(t,e){if(t==="classes"){this._setOptionClasses(e)};this.options[t]=e;if(t==="disabled"){this._setOptionDisabled(e)};return this},_setOptionClasses:function(e){var i,o,s;for(i in e){s=this.classesElementLookup[i];if(e[i]===this.options.classes[i]||!s||!s.length){continue};o=t(s.get());this._removeClass(s,i);o.addClass(this._classes({element:o,keys:i,classes:e,add:!0}))}},_setOptionDisabled:function(t){this._toggleClass(this.widget(),this.widgetFullName+"-disabled",null,!!t);if(t){this._removeClass(this.hoverable,null,"ui-state-hover");this._removeClass(this.focusable,null,"ui-state-focus")}},enable:function(){return this._setOptions({disabled:!1})},disable:function(){return this._setOptions({disabled:!0})},_classes:function(e){var i=[],s=this;e=t.extend({element:this.element,classes:this.options.classes||{}},e);function o(o,n){var a,r;for(r=0;r<o.length;r++){a=s.classesElementLookup[o[r]]||t();if(e.add){a=t(t.unique(a.get().concat(e.element.get())))}
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+else{i=n=t(i);this.bindings=this.bindings.add(i)};t.each(s,function(s,r){function a(){if(!e&&(o.options.disabled===!0||t(this).hasClass("ui-state-disabled"))){return};return(typeof r==="string"?o[r]:r).apply(o,arguments)};if(typeof r!=="string"){a.guid=r.guid=r.guid||a.guid||t.guid++};var h=s.match(/^([\w:-]*)\s*(.*)$/),l=h[1]+o.eventNamespace,c=h[2];if(c){n.on(l,c,a)}
+else{i.on(l,a)}})},_off:function(e,i){i=(i||"").split(" ").join(this.eventNamespace+" ")+this.eventNamespace;e.off(i).off(i);this.bindings=t(this.bindings.not(e).get());this.focusable=t(this.focusable.not(e).get());this.hoverable=t(this.hoverable.not(e).get())},_delay:function(t,e){function s(){return(typeof t==="string"?i[t]:t).apply(i,arguments)};var i=this;return setTimeout(s,e||0)},_hoverable:function(e){this.hoverable=this.hoverable.add(e);this._on(e,{mouseenter:function(e){this._addClass(t(e.currentTarget),null,"ui-state-hover")},mouseleave:function(e){this._removeClass(t(e.currentTarget),null,"ui-state-hover")}})},_focusable:function(e){this.focusable=this.focusable.add(e);this._on(e,{focusin:function(e){this._addClass(t(e.currentTarget),null,"ui-state-focus")},focusout:function(e){this._removeClass(t(e.currentTarget),null,"ui-state-focus")}})},_trigger:function(e,i,s){var o,n,r=this.options[e];s=s||{};i=t.Event(i);i.type=(e===this.widgetEventPrefix?e:this.widgetEventPrefix+e).toLowerCase();i.target=this.element[0];n=i.originalEvent;if(n){for(o in n){if(!(o in i)){i[o]=n[o]}}};this.element.trigger(i,s);return!(t.isFunction(r)&&r.apply(this.element[0],[i].concat(s))===!1||i.isDefaultPrevented())}};t.each({show:"fadeIn",hide:"fadeOut"},function(e,i){t.Widget.prototype["_"+e]=function(s,o,n){if(typeof o==="string"){o={effect:o}};var a,r=!o?e:o===!0||typeof o==="number"?i:o.effect||i;o=o||{};if(typeof o==="number"){o={duration:o}};a=!t.isEmptyObject(o);o.complete=n;if(o.delay){s.delay(o.delay)};if(a&&t.effects&&t.effects.effect[r]){s[e](o)}
+else if(r!==e&&s[r]){s[r](o.duration,o.easing,n)}
+else{s.queue(function(i){t(this)[e]();if(n){n.call(s[0])};i()})}}});var m=t.widget;
/*!
* jQuery UI :data 1.12.1
* http://jqueryui.com
@@ -195,7 +195,7 @@ else{s.queue(function(i){t(this)[e]();if(o){o.call(s[0])};i()})}}});var l=t.widg
* Released under the MIT license.
* http://jquery.org/license
*/
-;var a=t.extend(t.expr[":"],{data:t.expr.createPseudo?t.expr.createPseudo(function(e){return function(i){return!!t.data(i,e)}}):function(e,i,s){return!!t.data(e,s[3])}});
+;var d=t.extend(t.expr[":"],{data:t.expr.createPseudo?t.expr.createPseudo(function(e){return function(i){return!!t.data(i,e)}}):function(e,i,s){return!!t.data(e,s[3])}});
/*!
* jQuery UI Scroll Parent 1.12.1
* http://jqueryui.com
@@ -204,7 +204,7 @@ else{s.queue(function(i){t(this)[e]();if(o){o.call(s[0])};i()})}}});var l=t.widg
* Released under the MIT license.
* http://jquery.org/license
*/
-;var r=t.fn.scrollParent=function(e){var i=this.css("position"),n=i==="absolute",o=e?/(auto|scroll|hidden)/:/(auto|scroll)/,s=this.parents().filter(function(){var e=t(this);if(n&&e.css("position")==="static"){return!1};return o.test(e.css("overflow")+e.css("overflow-y")+e.css("overflow-x"))}).eq(0);return i==="fixed"||!s.length?t(this[0].ownerDocument||document):s},h=t.ui.ie=!!/msie [\w.]+/.exec(navigator.userAgent.toLowerCase());
+;var p=t.fn.scrollParent=function(e){var i=this.css("position"),o=i==="absolute",n=e?/(auto|scroll|hidden)/:/(auto|scroll)/,s=this.parents().filter(function(){var e=t(this);if(o&&e.css("position")==="static"){return!1};return n.test(e.css("overflow")+e.css("overflow-y")+e.css("overflow-x"))}).eq(0);return i==="fixed"||!s.length?t(this[0].ownerDocument||document):s},u=t.ui.ie=!!/msie [\w.]+/.exec(navigator.userAgent.toLowerCase());
/*!
* jQuery UI Mouse 1.12.1
* http://jqueryui.com
@@ -213,9 +213,39 @@ else{s.queue(function(i){t(this)[e]();if(o){o.call(s[0])};i()})}}});var l=t.widg
* Released under the MIT license.
* http://jquery.org/license
*/
-;var e=!1;t(document).on("mouseup",function(){e=!1});var o=t.widget("ui.mouse",{version:"1.12.1",options:{cancel:"input, textarea, button, select, option",distance:1,delay:0},_mouseInit:function(){var e=this;this.element.on("mousedown."+this.widgetName,function(t){return e._mouseDown(t)}).on("click."+this.widgetName,function(i){if(!0===t.data(i.target,e.widgetName+".preventClickEvent")){t.removeData(i.target,e.widgetName+".preventClickEvent");i.stopImmediatePropagation();return!1}});this.started=!1},_mouseDestroy:function(){this.element.off("."+this.widgetName);if(this._mouseMoveDelegate){this.document.off("mousemove."+this.widgetName,this._mouseMoveDelegate).off("mouseup."+this.widgetName,this._mouseUpDelegate)}},_mouseDown:function(i){if(e){return};this._mouseMoved=!1;(this._mouseStarted&&this._mouseUp(i));this._mouseDownEvent=i;var s=this,n=(i.which===1),o=(typeof this.options.cancel==="string"&&i.target.nodeName?t(i.target).closest(this.options.cancel).length:!1);if(!n||o||!this._mouseCapture(i)){return!0};this.mouseDelayMet=!this.options.delay;if(!this.mouseDelayMet){this._mouseDelayTimer=setTimeout(function(){s.mouseDelayMet=!0},this.options.delay)};if(this._mouseDistanceMet(i)&&this._mouseDelayMet(i)){this._mouseStarted=(this._mouseStart(i)!==!1);if(!this._mouseStarted){i.preventDefault();return!0}};if(!0===t.data(i.target,this.widgetName+".preventClickEvent")){t.removeData(i.target,this.widgetName+".preventClickEvent")};this._mouseMoveDelegate=function(t){return s._mouseMove(t)};this._mouseUpDelegate=function(t){return s._mouseUp(t)};this.document.on("mousemove."+this.widgetName,this._mouseMoveDelegate).on("mouseup."+this.widgetName,this._mouseUpDelegate);i.preventDefault();e=!0;return!0},_mouseMove:function(e){if(this._mouseMoved){if(t.ui.ie&&(!document.documentMode||document.documentMode<9)&&!e.button){return this._mouseUp(e)}
+;var e=!1;t(document).on("mouseup",function(){e=!1});var f=t.widget("ui.mouse",{version:"1.12.1",options:{cancel:"input, textarea, button, select, option",distance:1,delay:0},_mouseInit:function(){var e=this;this.element.on("mousedown."+this.widgetName,function(t){return e._mouseDown(t)}).on("click."+this.widgetName,function(i){if(!0===t.data(i.target,e.widgetName+".preventClickEvent")){t.removeData(i.target,e.widgetName+".preventClickEvent");i.stopImmediatePropagation();return!1}});this.started=!1},_mouseDestroy:function(){this.element.off("."+this.widgetName);if(this._mouseMoveDelegate){this.document.off("mousemove."+this.widgetName,this._mouseMoveDelegate).off("mouseup."+this.widgetName,this._mouseUpDelegate)}},_mouseDown:function(i){if(e){return};this._mouseMoved=!1;(this._mouseStarted&&this._mouseUp(i));this._mouseDownEvent=i;var s=this,o=(i.which===1),n=(typeof this.options.cancel==="string"&&i.target.nodeName?t(i.target).closest(this.options.cancel).length:!1);if(!o||n||!this._mouseCapture(i)){return!0};this.mouseDelayMet=!this.options.delay;if(!this.mouseDelayMet){this._mouseDelayTimer=setTimeout(function(){s.mouseDelayMet=!0},this.options.delay)};if(this._mouseDistanceMet(i)&&this._mouseDelayMet(i)){this._mouseStarted=(this._mouseStart(i)!==!1);if(!this._mouseStarted){i.preventDefault();return!0}};if(!0===t.data(i.target,this.widgetName+".preventClickEvent")){t.removeData(i.target,this.widgetName+".preventClickEvent")};this._mouseMoveDelegate=function(t){return s._mouseMove(t)};this._mouseUpDelegate=function(t){return s._mouseUp(t)};this.document.on("mousemove."+this.widgetName,this._mouseMoveDelegate).on("mouseup."+this.widgetName,this._mouseUpDelegate);i.preventDefault();e=!0;return!0},_mouseMove:function(e){if(this._mouseMoved){if(t.ui.ie&&(!document.documentMode||document.documentMode<9)&&!e.button){return this._mouseUp(e)}
else if(!e.which){if(e.originalEvent.altKey||e.originalEvent.ctrlKey||e.originalEvent.metaKey||e.originalEvent.shiftKey){this.ignoreMissingWhich=!0}
-else if(!this.ignoreMissingWhich){return this._mouseUp(e)}}};if(e.which||e.button){this._mouseMoved=!0};if(this._mouseStarted){this._mouseDrag(e);return e.preventDefault()};if(this._mouseDistanceMet(e)&&this._mouseDelayMet(e)){this._mouseStarted=(this._mouseStart(this._mouseDownEvent,e)!==!1);(this._mouseStarted?this._mouseDrag(e):this._mouseUp(e))};return!this._mouseStarted},_mouseUp:function(i){this.document.off("mousemove."+this.widgetName,this._mouseMoveDelegate).off("mouseup."+this.widgetName,this._mouseUpDelegate);if(this._mouseStarted){this._mouseStarted=!1;if(i.target===this._mouseDownEvent.target){t.data(i.target,this.widgetName+".preventClickEvent",!0)};this._mouseStop(i)};if(this._mouseDelayTimer){clearTimeout(this._mouseDelayTimer);delete this._mouseDelayTimer};this.ignoreMissingWhich=!1;e=!1;i.preventDefault()},_mouseDistanceMet:function(t){return(Math.max(Math.abs(this._mouseDownEvent.pageX-t.pageX),Math.abs(this._mouseDownEvent.pageY-t.pageY))>=this.options.distance)},_mouseDelayMet:function(){return this.mouseDelayMet},_mouseStart:function(){},_mouseDrag:function(){},_mouseStop:function(){},_mouseCapture:function(){return!0}});
+else if(!this.ignoreMissingWhich){return this._mouseUp(e)}}};if(e.which||e.button){this._mouseMoved=!0};if(this._mouseStarted){this._mouseDrag(e);return e.preventDefault()};if(this._mouseDistanceMet(e)&&this._mouseDelayMet(e)){this._mouseStarted=(this._mouseStart(this._mouseDownEvent,e)!==!1);(this._mouseStarted?this._mouseDrag(e):this._mouseUp(e))};return!this._mouseStarted},_mouseUp:function(i){this.document.off("mousemove."+this.widgetName,this._mouseMoveDelegate).off("mouseup."+this.widgetName,this._mouseUpDelegate);if(this._mouseStarted){this._mouseStarted=!1;if(i.target===this._mouseDownEvent.target){t.data(i.target,this.widgetName+".preventClickEvent",!0)};this._mouseStop(i)};if(this._mouseDelayTimer){clearTimeout(this._mouseDelayTimer);delete this._mouseDelayTimer};this.ignoreMissingWhich=!1;e=!1;i.preventDefault()},_mouseDistanceMet:function(t){return(Math.max(Math.abs(this._mouseDownEvent.pageX-t.pageX),Math.abs(this._mouseDownEvent.pageY-t.pageY))>=this.options.distance)},_mouseDelayMet:function(){return this.mouseDelayMet},_mouseStart:function(){},_mouseDrag:function(){},_mouseStop:function(){},_mouseCapture:function(){return!0}});var c=t.ui.plugin={add:function(e,i,s){var o,n=t.ui[e].prototype;for(o in s){n.plugins[o]=n.plugins[o]||[];n.plugins[o].push([i,s[o]])}},call:function(t,e,i,o){var s,n=t.plugins[e];if(!n){return};if(!o&&(!t.element[0].parentNode||t.element[0].parentNode.nodeType===11)){return};for(s=0;s<n.length;s++){if(t.options[n[s][0]]){n[s][1].apply(t.element,i)}}}};var h=t.ui.safeActiveElement=function(t){var e;try{e=t.activeElement}catch(i){e=t.body};if(!e){e=t.body};if(!e.nodeName){e=t.body};return e},l=t.ui.safeBlur=function(e){if(e&&e.nodeName.toLowerCase()!=="body"){t(e).trigger("blur")}};
+/*!
+ * jQuery UI Draggable 1.12.1
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+;t.widget("ui.draggable",t.ui.mouse,{version:"1.12.1",widgetEventPrefix:"drag",options:{addClasses:!0,appendTo:"parent",axis:!1,connectToSortable:!1,containment:!1,cursor:"auto",cursorAt:!1,grid:!1,handle:!1,helper:"original",iframeFix:!1,opacity:!1,refreshPositions:!1,revert:!1,revertDuration:500,scope:"default",scroll:!0,scrollSensitivity:20,scrollSpeed:20,snap:!1,snapMode:"both",snapTolerance:20,stack:!1,zIndex:!1,drag:null,start:null,stop:null},_create:function(){if(this.options.helper==="original"){this._setPositionRelative()};if(this.options.addClasses){this._addClass("ui-draggable")};this._setHandleClassName();this._mouseInit()},_setOption:function(t,e){this._super(t,e);if(t==="handle"){this._removeHandleClassName();this._setHandleClassName()}},_destroy:function(){if((this.helper||this.element).is(".ui-draggable-dragging")){this.destroyOnClear=!0;return};this._removeHandleClassName();this._mouseDestroy()},_mouseCapture:function(e){var i=this.options;if(this.helper||i.disabled||t(e.target).closest(".ui-resizable-handle").length>0){return!1};this.handle=this._getHandle(e);if(!this.handle){return!1};this._blurActiveElement(e);this._blockFrames(i.iframeFix===!0?"iframe":i.iframeFix);return!0},_blockFrames:function(e){this.iframeBlocks=this.document.find(e).map(function(){var e=t(this);return t("<div>").css("position","absolute").appendTo(e.parent()).outerWidth(e.outerWidth()).outerHeight(e.outerHeight()).offset(e.offset())[0]})},_unblockFrames:function(){if(this.iframeBlocks){this.iframeBlocks.remove();delete this.iframeBlocks}},_blurActiveElement:function(e){var i=t.ui.safeActiveElement(this.document[0]),s=t(e.target);if(s.closest(i).length){return};t.ui.safeBlur(i)},_mouseStart:function(e){var i=this.options;this.helper=this._createHelper(e);this._addClass(this.helper,"ui-draggable-dragging");this._cacheHelperProportions();if(t.ui.ddmanager){t.ui.ddmanager.current=this};this._cacheMargins();this.cssPosition=this.helper.css("position");this.scrollParent=this.helper.scrollParent(!0);this.offsetParent=this.helper.offsetParent();this.hasFixedAncestor=this.helper.parents().filter(function(){return t(this).css("position")==="fixed"}).length>0;this.positionAbs=this.element.offset();this._refreshOffsets(e);this.originalPosition=this.position=this._generatePosition(e,!1);this.originalPageX=e.pageX;this.originalPageY=e.pageY;(i.cursorAt&&this._adjustOffsetFromHelper(i.cursorAt));this._setContainment();if(this._trigger("start",e)===!1){this._clear();return!1};this._cacheHelperProportions();if(t.ui.ddmanager&&!i.dropBehaviour){t.ui.ddmanager.prepareOffsets(this,e)};this._mouseDrag(e,!0);if(t.ui.ddmanager){t.ui.ddmanager.dragStart(this,e)};return!0},_refreshOffsets:function(t){this.offset={top:this.positionAbs.top-this.margins.top,left:this.positionAbs.left-this.margins.left,scroll:!1,parent:this._getParentOffset(),relative:this._getRelativeOffset()};this.offset.click={left:t.pageX-this.offset.left,top:t.pageY-this.offset.top}},_mouseDrag:function(e,i){if(this.hasFixedAncestor){this.offset.parent=this._getParentOffset()};this.position=this._generatePosition(e,!0);this.positionAbs=this._convertPositionTo("absolute");if(!i){var s=this._uiHash();if(this._trigger("drag",e,s)===!1){this._mouseUp(new t.Event("mouseup",e));return!1};this.position=s.position};this.helper[0].style.left=this.position.left+"px";this.helper[0].style.top=this.position.top+"px";if(t.ui.ddmanager){t.ui.ddmanager.drag(this,e)};return!1},_mouseStop:function(e){var s=this,i=!1;if(t.ui.ddmanager&&!this.options.dropBehaviour){i=t.ui.ddmanager.drop(this,e)};if(this.dropped){i=this.dropped;this.dropped=!1};if((this.options.revert==="invalid"&&!i)||(this.options.revert==="valid"&&i)||this.options.revert===!0||(t.isFunction(this.options.revert)&&this.options.revert.call(this.element,i))){t(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){if(s._trigger("stop",e)!==!1){s._clear()}})}
+else{if(this._trigger("stop",e)!==!1){this._clear()}};return!1},_mouseUp:function(e){this._unblockFrames();if(t.ui.ddmanager){t.ui.ddmanager.dragStop(this,e)};if(this.handleElement.is(e.target)){this.element.trigger("focus")};return t.ui.mouse.prototype._mouseUp.call(this,e)},cancel:function(){if(this.helper.is(".ui-draggable-dragging")){this._mouseUp(new t.Event("mouseup",{target:this.element[0]}))}
+else{this._clear()};return this},_getHandle:function(e){return this.options.handle?!!t(e.target).closest(this.element.find(this.options.handle)).length:!0},_setHandleClassName:function(){this.handleElement=this.options.handle?this.element.find(this.options.handle):this.element;this._addClass(this.handleElement,"ui-draggable-handle")},_removeHandleClassName:function(){this._removeClass(this.handleElement,"ui-draggable-handle")},_createHelper:function(e){var s=this.options,o=t.isFunction(s.helper),i=o?t(s.helper.apply(this.element[0],[e])):(s.helper==="clone"?this.element.clone().removeAttr("id"):this.element);if(!i.parents("body").length){i.appendTo((s.appendTo==="parent"?this.element[0].parentNode:s.appendTo))};if(o&&i[0]===this.element[0]){this._setPositionRelative()};if(i[0]!==this.element[0]&&!(/(fixed|absolute)/).test(i.css("position"))){i.css("position","absolute")};return i},_setPositionRelative:function(){if(!(/^(?:r|a|f)/).test(this.element.css("position"))){this.element[0].style.position="relative"}},_adjustOffsetFromHelper:function(e){if(typeof e==="string"){e=e.split(" ")};if(t.isArray(e)){e={left:+e[0],top:+e[1]||0}};if("left" in e){this.offset.click.left=e.left+this.margins.left};if("right" in e){this.offset.click.left=this.helperProportions.width-e.right+this.margins.left};if("top" in e){this.offset.click.top=e.top+this.margins.top};if("bottom" in e){this.offset.click.top=this.helperProportions.height-e.bottom+this.margins.top}},_isRootNode:function(t){return(/(html|body)/i).test(t.tagName)||t===this.document[0]},_getParentOffset:function(){var e=this.offsetParent.offset(),i=this.document[0];if(this.cssPosition==="absolute"&&this.scrollParent[0]!==i&&t.contains(this.scrollParent[0],this.offsetParent[0])){e.left+=this.scrollParent.scrollLeft();e.top+=this.scrollParent.scrollTop()};if(this._isRootNode(this.offsetParent[0])){e={top:0,left:0}};return{top:e.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:e.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if(this.cssPosition!=="relative"){return{top:0,left:0}};var t=this.element.position(),e=this._isRootNode(this.scrollParent[0]);return{top:t.top-(parseInt(this.helper.css("top"),10)||0)+(!e?this.scrollParent.scrollTop():0),left:t.left-(parseInt(this.helper.css("left"),10)||0)+(!e?this.scrollParent.scrollLeft():0)}},_cacheMargins:function(){this.margins={left:(parseInt(this.element.css("marginLeft"),10)||0),top:(parseInt(this.element.css("marginTop"),10)||0),right:(parseInt(this.element.css("marginRight"),10)||0),bottom:(parseInt(this.element.css("marginBottom"),10)||0)}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var n,e,i,s=this.options,o=this.document[0];this.relativeContainer=null;if(!s.containment){this.containment=null;return};if(s.containment==="window"){this.containment=[t(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,t(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,t(window).scrollLeft()+t(window).width()-this.helperProportions.width-this.margins.left,t(window).scrollTop()+(t(window).height()||o.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top];return};if(s.containment==="document"){this.containment=[0,0,t(o).width()-this.helperProportions.width-this.margins.left,(t(o).height()||o.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top];return};if(s.containment.constructor===Array){this.containment=s.containment;return};if(s.containment==="parent"){s.containment=this.helper[0].parentNode};e=t(s.containment);i=e[0];if(!i){return};n=/(scroll|auto)/.test(e.css("overflow"));this.containment=[(parseInt(e.css("borderLeftWidth"),10)||0)+(parseInt(e.css("paddingLeft"),10)||0),(parseInt(e.css("borderTopWidth"),10)||0)+(parseInt(e.css("paddingTop"),10)||0),(n?Math.max(i.scrollWidth,i.offsetWidth):i.offsetWidth)-(parseInt(e.css("borderRightWidth"),10)||0)-(parseInt(e.css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(n?Math.max(i.scrollHeight,i.offsetHeight):i.offsetHeight)-(parseInt(e.css("borderBottomWidth"),10)||0)-(parseInt(e.css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom];this.relativeContainer=e},_convertPositionTo:function(t,e){if(!e){e=this.position};var i=t==="absolute"?1:-1,s=this._isRootNode(this.scrollParent[0]);return{top:(e.top+this.offset.relative.top*i+this.offset.parent.top*i-((this.cssPosition==="fixed"?-this.offset.scroll.top:(s?0:this.offset.scroll.top))*i)),left:(e.left+this.offset.relative.left*i+this.offset.parent.left*i-((this.cssPosition==="fixed"?-this.offset.scroll.left:(s?0:this.offset.scroll.left))*i))}},_generatePosition:function(t,e){var i,h,o,n,s=this.options,l=this._isRootNode(this.scrollParent[0]),r=t.pageX,a=t.pageY;if(!l||!this.offset.scroll){this.offset.scroll={top:this.scrollParent.scrollTop(),left:this.scrollParent.scrollLeft()}};if(e){if(this.containment){if(this.relativeContainer){h=this.relativeContainer.offset();i=[this.containment[0]+h.left,this.containment[1]+h.top,this.containment[2]+h.left,this.containment[3]+h.top]}
+else{i=this.containment};if(t.pageX-this.offset.click.left<i[0]){r=i[0]+this.offset.click.left};if(t.pageY-this.offset.click.top<i[1]){a=i[1]+this.offset.click.top};if(t.pageX-this.offset.click.left>i[2]){r=i[2]+this.offset.click.left};if(t.pageY-this.offset.click.top>i[3]){a=i[3]+this.offset.click.top}};if(s.grid){o=s.grid[1]?this.originalPageY+Math.round((a-this.originalPageY)/s.grid[1])*s.grid[1]:this.originalPageY;a=i?((o-this.offset.click.top>=i[1]||o-this.offset.click.top>i[3])?o:((o-this.offset.click.top>=i[1])?o-s.grid[1]:o+s.grid[1])):o;n=s.grid[0]?this.originalPageX+Math.round((r-this.originalPageX)/s.grid[0])*s.grid[0]:this.originalPageX;r=i?((n-this.offset.click.left>=i[0]||n-this.offset.click.left>i[2])?n:((n-this.offset.click.left>=i[0])?n-s.grid[0]:n+s.grid[0])):n};if(s.axis==="y"){r=this.originalPageX};if(s.axis==="x"){a=this.originalPageY}};return{top:(a-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(this.cssPosition==="fixed"?-this.offset.scroll.top:(l?0:this.offset.scroll.top))),left:(r-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(this.cssPosition==="fixed"?-this.offset.scroll.left:(l?0:this.offset.scroll.left)))}},_clear:function(){this._removeClass(this.helper,"ui-draggable-dragging");if(this.helper[0]!==this.element[0]&&!this.cancelHelperRemoval){this.helper.remove()};this.helper=null;this.cancelHelperRemoval=!1;if(this.destroyOnClear){this.destroy()}},_trigger:function(e,i,s){s=s||this._uiHash();t.ui.plugin.call(this,e,[i,s,this],!0);if(/^(drag|start|stop)/.test(e)){this.positionAbs=this._convertPositionTo("absolute");s.offset=this.positionAbs};return t.Widget.prototype._trigger.call(this,e,i,s)},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}});t.ui.plugin.add("draggable","connectToSortable",{start:function(e,i,s){var o=t.extend({},i,{item:s.element});s.sortables=[];t(s.options.connectToSortable).each(function(){var i=t(this).sortable("instance");if(i&&!i.options.disabled){s.sortables.push(i);i.refreshPositions();i._trigger("activate",e,o)}})},stop:function(e,i,s){var o=t.extend({},i,{item:s.element});s.cancelHelperRemoval=!1;t.each(s.sortables,function(){var t=this;if(t.isOver){t.isOver=0;s.cancelHelperRemoval=!0;t.cancelHelperRemoval=!1;t._storedCSS={position:t.placeholder.css("position"),top:t.placeholder.css("top"),left:t.placeholder.css("left")};t._mouseStop(e);t.options.helper=t.options._helper}
+else{t.cancelHelperRemoval=!0;t._trigger("deactivate",e,o)}})},drag:function(e,i,s){t.each(s.sortables,function(){var n=!1,o=this;o.positionAbs=s.positionAbs;o.helperProportions=s.helperProportions;o.offset.click=s.offset.click;if(o._intersectsWith(o.containerCache)){n=!0;t.each(s.sortables,function(){this.positionAbs=s.positionAbs;this.helperProportions=s.helperProportions;this.offset.click=s.offset.click;if(this!==o&&this._intersectsWith(this.containerCache)&&t.contains(o.element[0],this.element[0])){n=!1};return n})};if(n){if(!o.isOver){o.isOver=1;s._parent=i.helper.parent();o.currentItem=i.helper.appendTo(o.element).data("ui-sortable-item",!0);o.options._helper=o.options.helper;o.options.helper=function(){return i.helper[0]};e.target=o.currentItem[0];o._mouseCapture(e,!0);o._mouseStart(e,!0,!0);o.offset.click.top=s.offset.click.top;o.offset.click.left=s.offset.click.left;o.offset.parent.left-=s.offset.parent.left-o.offset.parent.left;o.offset.parent.top-=s.offset.parent.top-o.offset.parent.top;s._trigger("toSortable",e);s.dropped=o.element;t.each(s.sortables,function(){this.refreshPositions()});s.currentItem=s.element;o.fromOutside=s};if(o.currentItem){o._mouseDrag(e);i.position=o.position}}
+else{if(o.isOver){o.isOver=0;o.cancelHelperRemoval=!0;o.options._revert=o.options.revert;o.options.revert=!1;o._trigger("out",e,o._uiHash(o));o._mouseStop(e,!0);o.options.revert=o.options._revert;o.options.helper=o.options._helper;if(o.placeholder){o.placeholder.remove()};i.helper.appendTo(s._parent);s._refreshOffsets(e);i.position=s._generatePosition(e,!0);s._trigger("fromSortable",e);s.dropped=!1;t.each(s.sortables,function(){this.refreshPositions()})}}})}});t.ui.plugin.add("draggable","cursor",{start:function(e,i,s){var o=t("body"),n=s.options;if(o.css("cursor")){n._cursor=o.css("cursor")};o.css("cursor",n.cursor)},stop:function(e,i,s){var o=s.options;if(o._cursor){t("body").css("cursor",o._cursor)}}});t.ui.plugin.add("draggable","opacity",{start:function(e,i,s){var o=t(i.helper),n=s.options;if(o.css("opacity")){n._opacity=o.css("opacity")};o.css("opacity",n.opacity)},stop:function(e,i,s){var o=s.options;if(o._opacity){t(i.helper).css("opacity",o._opacity)}}});t.ui.plugin.add("draggable","scroll",{start:function(t,e,i){if(!i.scrollParentNotHidden){i.scrollParentNotHidden=i.helper.scrollParent(!1)};if(i.scrollParentNotHidden[0]!==i.document[0]&&i.scrollParentNotHidden[0].tagName!=="HTML"){i.overflowOffset=i.scrollParentNotHidden.offset()}},drag:function(e,i,s){var o=s.options,a=!1,r=s.scrollParentNotHidden[0],n=s.document[0];if(r!==n&&r.tagName!=="HTML"){if(!o.axis||o.axis!=="x"){if((s.overflowOffset.top+r.offsetHeight)-e.pageY<o.scrollSensitivity){r.scrollTop=a=r.scrollTop+o.scrollSpeed}
+else if(e.pageY-s.overflowOffset.top<o.scrollSensitivity){r.scrollTop=a=r.scrollTop-o.scrollSpeed}};if(!o.axis||o.axis!=="y"){if((s.overflowOffset.left+r.offsetWidth)-e.pageX<o.scrollSensitivity){r.scrollLeft=a=r.scrollLeft+o.scrollSpeed}
+else if(e.pageX-s.overflowOffset.left<o.scrollSensitivity){r.scrollLeft=a=r.scrollLeft-o.scrollSpeed}}}
+else{if(!o.axis||o.axis!=="x"){if(e.pageY-t(n).scrollTop()<o.scrollSensitivity){a=t(n).scrollTop(t(n).scrollTop()-o.scrollSpeed)}
+else if(t(window).height()-(e.pageY-t(n).scrollTop())<o.scrollSensitivity){a=t(n).scrollTop(t(n).scrollTop()+o.scrollSpeed)}};if(!o.axis||o.axis!=="y"){if(e.pageX-t(n).scrollLeft()<o.scrollSensitivity){a=t(n).scrollLeft(t(n).scrollLeft()-o.scrollSpeed)}
+else if(t(window).width()-(e.pageX-t(n).scrollLeft())<o.scrollSensitivity){a=t(n).scrollLeft(t(n).scrollLeft()+o.scrollSpeed)}}};if(a!==!1&&t.ui.ddmanager&&!o.dropBehaviour){t.ui.ddmanager.prepareOffsets(s,e)}}});t.ui.plugin.add("draggable","snap",{start:function(e,i,s){var o=s.options;s.snapElements=[];t(o.snap.constructor!==String?(o.snap.items||":data(ui-draggable)"):o.snap).each(function(){var e=t(this),i=e.offset();if(this!==s.element[0]){s.snapElements.push({item:this,width:e.outerWidth(),height:e.outerHeight(),top:i.top,left:i.left})}})},drag:function(e,i,s){var r,a,h,l,c,p,f,u,o,g,v=s.options,n=v.snapTolerance,d=i.offset.left,b=d+s.helperProportions.width,m=i.offset.top,P=m+s.helperProportions.height;for(o=s.snapElements.length-1;o>=0;o--){c=s.snapElements[o].left-s.margins.left;p=c+s.snapElements[o].width;f=s.snapElements[o].top-s.margins.top;u=f+s.snapElements[o].height;if(b<c-n||d>p+n||P<f-n||m>u+n||!t.contains(s.snapElements[o].item.ownerDocument,s.snapElements[o].item)){if(s.snapElements[o].snapping){(s.options.snap.release&&s.options.snap.release.call(s.element,e,t.extend(s._uiHash(),{snapItem:s.snapElements[o].item})))};s.snapElements[o].snapping=!1;continue};if(v.snapMode!=="inner"){r=Math.abs(f-P)<=n;a=Math.abs(u-m)<=n;h=Math.abs(c-b)<=n;l=Math.abs(p-d)<=n;if(r){i.position.top=s._convertPositionTo("relative",{top:f-s.helperProportions.height,left:0}).top};if(a){i.position.top=s._convertPositionTo("relative",{top:u,left:0}).top};if(h){i.position.left=s._convertPositionTo("relative",{top:0,left:c-s.helperProportions.width}).left};if(l){i.position.left=s._convertPositionTo("relative",{top:0,left:p}).left}};g=(r||a||h||l);if(v.snapMode!=="outer"){r=Math.abs(f-m)<=n;a=Math.abs(u-P)<=n;h=Math.abs(c-d)<=n;l=Math.abs(p-b)<=n;if(r){i.position.top=s._convertPositionTo("relative",{top:f,left:0}).top};if(a){i.position.top=s._convertPositionTo("relative",{top:u-s.helperProportions.height,left:0}).top};if(h){i.position.left=s._convertPositionTo("relative",{top:0,left:c}).left};if(l){i.position.left=s._convertPositionTo("relative",{top:0,left:p-s.helperProportions.width}).left}};if(!s.snapElements[o].snapping&&(r||a||h||l||g)){(s.options.snap.snap&&s.options.snap.snap.call(s.element,e,t.extend(s._uiHash(),{snapItem:s.snapElements[o].item})))};s.snapElements[o].snapping=(r||a||h||l||g)}}});t.ui.plugin.add("draggable","stack",{start:function(e,i,s){var n,r=s.options,o=t.makeArray(t(r.stack)).sort(function(e,i){return(parseInt(t(e).css("zIndex"),10)||0)-(parseInt(t(i).css("zIndex"),10)||0)});if(!o.length){return};n=parseInt(t(o[0]).css("zIndex"),10)||0;t(o).each(function(e){t(this).css("zIndex",n+e)});this.css("zIndex",(n+o.length))}});t.ui.plugin.add("draggable","zIndex",{start:function(e,i,s){var o=t(i.helper),n=s.options;if(o.css("zIndex")){n._zIndex=o.css("zIndex")};o.css("zIndex",n.zIndex)},stop:function(e,i,s){var o=s.options;if(o._zIndex){t(i.helper).css("zIndex",o._zIndex)}}});var a=t.ui.draggable;
+/*!
+ * jQuery UI Droppable 1.12.1
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+;t.widget("ui.droppable",{version:"1.12.1",widgetEventPrefix:"drop",options:{accept:"*",addClasses:!0,greedy:!1,scope:"default",tolerance:"intersect",activate:null,deactivate:null,drop:null,out:null,over:null},_create:function(){var e,i=this.options,s=i.accept;this.isover=!1;this.isout=!0;this.accept=t.isFunction(s)?s:function(t){return t.is(s)};this.proportions=function(){if(arguments.length){e=arguments[0]}
+else{return e?e:e={width:this.element[0].offsetWidth,height:this.element[0].offsetHeight}}};this._addToManager(i.scope);i.addClasses&&this._addClass("ui-droppable")},_addToManager:function(e){t.ui.ddmanager.droppables[e]=t.ui.ddmanager.droppables[e]||[];t.ui.ddmanager.droppables[e].push(this)},_splice:function(t){var e=0;for(;e<t.length;e++){if(t[e]===this){t.splice(e,1)}}},_destroy:function(){var e=t.ui.ddmanager.droppables[this.options.scope];this._splice(e)},_setOption:function(e,i){if(e==="accept"){this.accept=t.isFunction(i)?i:function(t){return t.is(i)}}
+else if(e==="scope"){var s=t.ui.ddmanager.droppables[this.options.scope];this._splice(s);this._addToManager(i)};this._super(e,i)},_activate:function(e){var i=t.ui.ddmanager.current;this._addActiveClass();if(i){this._trigger("activate",e,this.ui(i))}},_deactivate:function(e){var i=t.ui.ddmanager.current;this._removeActiveClass();if(i){this._trigger("deactivate",e,this.ui(i))}},_over:function(e){var i=t.ui.ddmanager.current;if(!i||(i.currentItem||i.element)[0]===this.element[0]){return};if(this.accept.call(this.element[0],(i.currentItem||i.element))){this._addHoverClass();this._trigger("over",e,this.ui(i))}},_out:function(e){var i=t.ui.ddmanager.current;if(!i||(i.currentItem||i.element)[0]===this.element[0]){return};if(this.accept.call(this.element[0],(i.currentItem||i.element))){this._removeHoverClass();this._trigger("out",e,this.ui(i))}},_drop:function(e,s){var o=s||t.ui.ddmanager.current,n=!1;if(!o||(o.currentItem||o.element)[0]===this.element[0]){return!1};this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function(){var s=t(this).droppable("instance");if(s.options.greedy&&!s.options.disabled&&s.options.scope===o.options.scope&&s.accept.call(s.element[0],(o.currentItem||o.element))&&i(o,t.extend(s,{offset:s.element.offset()}),s.options.tolerance,e)){n=!0;return!1}});if(n){return!1};if(this.accept.call(this.element[0],(o.currentItem||o.element))){this._removeActiveClass();this._removeHoverClass();this._trigger("drop",e,this.ui(o));return this.element};return!1},ui:function(t){return{draggable:(t.currentItem||t.element),helper:t.helper,position:t.position,offset:t.positionAbs}},_addHoverClass:function(){this._addClass("ui-droppable-hover")},_removeHoverClass:function(){this._removeClass("ui-droppable-hover")},_addActiveClass:function(){this._addClass("ui-droppable-active")},_removeActiveClass:function(){this._removeClass("ui-droppable-active")}});var i=t.ui.intersect=(function(){function t(t,e,i){return(t>=e)&&(t<(e+i))};return function(e,i,s,h){if(!i.offset){return!1};var r=(e.positionAbs||e.position.absolute).left+e.margins.left,a=(e.positionAbs||e.position.absolute).top+e.margins.top,l=r+e.helperProportions.width,c=a+e.helperProportions.height,o=i.offset.left,n=i.offset.top,f=o+i.proportions().width,p=n+i.proportions().height;switch(s){case"fit":return(o<=r&&l<=f&&n<=a&&c<=p);case"intersect":return(o<r+(e.helperProportions.width/2)&&l-(e.helperProportions.width/2)<f&&n<a+(e.helperProportions.height/2)&&c-(e.helperProportions.height/2)<p);case"pointer":return t(h.pageY,n,i.proportions().height)&&t(h.pageX,o,i.proportions().width);case"touch":return((a>=n&&a<=p)||(c>=n&&c<=p)||(a<n&&c>p))&&((r>=o&&r<=f)||(l>=o&&l<=f)||(r<o&&l>f));default:return!1}}})();t.ui.ddmanager={current:null,droppables:{"default":[]},prepareOffsets:function(e,i){var s,n,o=t.ui.ddmanager.droppables[e.options.scope]||[],a=i?i.type:null,r=(e.currentItem||e.element).find(":data(ui-droppable)").addBack();droppablesLoop:for(s=0;s<o.length;s++){if(o[s].options.disabled||(e&&!o[s].accept.call(o[s].element[0],(e.currentItem||e.element)))){continue};for(n=0;n<r.length;n++){if(r[n]===o[s].element[0]){o[s].proportions().height=0;continue;droppablesLoop}};o[s].visible=o[s].element.css("display")!=="none";if(!o[s].visible){continue};if(a==="mousedown"){o[s]._activate.call(o[s],i)};o[s].offset=o[s].element.offset();o[s].proportions({width:o[s].element[0].offsetWidth,height:o[s].element[0].offsetHeight})}},drop:function(e,s){var o=!1;t.each((t.ui.ddmanager.droppables[e.options.scope]||[]).slice(),function(){if(!this.options){return};if(!this.options.disabled&&this.visible&&i(e,this,this.options.tolerance,s)){o=this._drop.call(this,s)||o};if(!this.options.disabled&&this.visible&&this.accept.call(this.element[0],(e.currentItem||e.element))){this.isout=!0;this.isover=!1;this._deactivate.call(this,s)}});return o},dragStart:function(e,i){e.element.parentsUntil("body").on("scroll.droppable",function(){if(!e.options.refreshPositions){t.ui.ddmanager.prepareOffsets(e,i)}})},drag:function(e,s){if(e.options.refreshPositions){t.ui.ddmanager.prepareOffsets(e,s)};t.each(t.ui.ddmanager.droppables[e.options.scope]||[],function(){if(this.options.disabled||this.greedyChild||!this.visible){return};var o,a,r,h=i(e,this,this.options.tolerance,s),n=!h&&this.isover?"isout":(h&&!this.isover?"isover":null);if(!n){return};if(this.options.greedy){a=this.options.scope;r=this.element.parents(":data(ui-droppable)").filter(function(){return t(this).droppable("instance").options.scope===a});if(r.length){o=t(r[0]).droppable("instance");o.greedyChild=(n==="isover")}};if(o&&n==="isover"){o.isover=!1;o.isout=!0;o._out.call(o,s)};this[n]=!0;this[n==="isout"?"isover":"isout"]=!1;this[n==="isover"?"_over":"_out"].call(this,s);if(o&&n==="isout"){o.isout=!1;o.isover=!0;o._over.call(o,s)}})},dragStop:function(e,i){e.element.parentsUntil("body").off("scroll.droppable");if(!e.options.refreshPositions){t.ui.ddmanager.prepareOffsets(e,i)}}};if(t.uiBackCompat!==!1){t.widget("ui.droppable",t.ui.droppable,{options:{hoverClass:!1,activeClass:!1},_addActiveClass:function(){this._super();if(this.options.activeClass){this.element.addClass(this.options.activeClass)}},_removeActiveClass:function(){this._super();if(this.options.activeClass){this.element.removeClass(this.options.activeClass)}},_addHoverClass:function(){this._super();if(this.options.hoverClass){this.element.addClass(this.options.hoverClass)}},_removeHoverClass:function(){this._super();if(this.options.hoverClass){this.element.removeClass(this.options.hoverClass)}}})};var r=t.ui.droppable;
/*!
* jQuery UI Sortable 1.12.1
* http://jqueryui.com
@@ -224,25 +254,25 @@ else if(!this.ignoreMissingWhich){return this._mouseUp(e)}}};if(e.which||e.butto
* Released under the MIT license.
* http://jquery.org/license
*/
-;var n=t.widget("ui.sortable",t.ui.mouse,{version:"1.12.1",widgetEventPrefix:"sort",ready:!1,options:{appendTo:"parent",axis:!1,connectWith:!1,containment:!1,cursor:"auto",cursorAt:!1,dropOnEmpty:!0,forcePlaceholderSize:!1,forceHelperSize:!1,grid:!1,handle:!1,helper:"original",items:"> *",opacity:!1,placeholder:!1,revert:!1,scroll:!0,scrollSensitivity:20,scrollSpeed:20,scope:"default",tolerance:"intersect",zIndex:1000,activate:null,beforeStop:null,change:null,deactivate:null,out:null,over:null,receive:null,remove:null,sort:null,start:null,stop:null,update:null},_isOverAxis:function(t,e,i){return(t>=e)&&(t<(e+i))},_isFloating:function(t){return(/left|right/).test(t.css("float"))||(/inline|table-cell/).test(t.css("display"))},_create:function(){this.containerCache={};this._addClass("ui-sortable");this.refresh();this.offset=this.element.offset();this._mouseInit();this._setHandleClassName();this.ready=!0},_setOption:function(t,e){this._super(t,e);if(t==="handle"){this._setHandleClassName()}},_setHandleClassName:function(){var e=this;this._removeClass(this.element.find(".ui-sortable-handle"),"ui-sortable-handle");t.each(this.items,function(){e._addClass(this.instance.options.handle?this.item.find(this.instance.options.handle):this.item,"ui-sortable-handle")})},_destroy:function(){this._mouseDestroy();for(var t=this.items.length-1;t>=0;t--){this.items[t].item.removeData(this.widgetName+"-item")};return this},_mouseCapture:function(e,i){var s=null,o=!1,n=this;if(this.reverting){return!1};if(this.options.disabled||this.options.type==="static"){return!1};this._refreshItems(e);t(e.target).parents().each(function(){if(t.data(this,n.widgetName+"-item")===n){s=t(this);return!1}});if(t.data(e.target,n.widgetName+"-item")===n){s=t(e.target)};if(!s){return!1};if(this.options.handle&&!i){t(this.options.handle,s).find("*").addBack().each(function(){if(this===e.target){o=!0}});if(!o){return!1}};this.currentItem=s;this._removeCurrentsFromItems();return!0},_mouseStart:function(e,i,s){var o,r,n=this.options;this.currentContainer=this;this.refreshPositions();this.helper=this._createHelper(e);this._cacheHelperProportions();this._cacheMargins();this.scrollParent=this.helper.scrollParent();this.offset=this.currentItem.offset();this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left};t.extend(this.offset,{click:{left:e.pageX-this.offset.left,top:e.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()});this.helper.css("position","absolute");this.cssPosition=this.helper.css("position");this.originalPosition=this._generatePosition(e);this.originalPageX=e.pageX;this.originalPageY=e.pageY;(n.cursorAt&&this._adjustOffsetFromHelper(n.cursorAt));this.domPosition={prev:this.currentItem.prev()[0],parent:this.currentItem.parent()[0]};if(this.helper[0]!==this.currentItem[0]){this.currentItem.hide()};this._createPlaceholder();if(n.containment){this._setContainment()};if(n.cursor&&n.cursor!=="auto"){r=this.document.find("body");this.storedCursor=r.css("cursor");r.css("cursor",n.cursor);this.storedStylesheet=t("<style>*{ cursor: "+n.cursor+" !important; }</style>").appendTo(r)};if(n.opacity){if(this.helper.css("opacity")){this._storedOpacity=this.helper.css("opacity")};this.helper.css("opacity",n.opacity)};if(n.zIndex){if(this.helper.css("zIndex")){this._storedZIndex=this.helper.css("zIndex")};this.helper.css("zIndex",n.zIndex)};if(this.scrollParent[0]!==this.document[0]&&this.scrollParent[0].tagName!=="HTML"){this.overflowOffset=this.scrollParent.offset()};this._trigger("start",e,this._uiHash());if(!this._preserveHelperProportions){this._cacheHelperProportions()};if(!s){for(o=this.containers.length-1;o>=0;o--){this.containers[o]._trigger("activate",e,this._uiHash(this))}};if(t.ui.ddmanager){t.ui.ddmanager.current=this};if(t.ui.ddmanager&&!n.dropBehaviour){t.ui.ddmanager.prepareOffsets(this,e)};this.dragging=!0;this._addClass(this.helper,"ui-sortable-helper");this._mouseDrag(e);return!0},_mouseDrag:function(e){var r,n,o,h,i=this.options,s=!1;this.position=this._generatePosition(e);this.positionAbs=this._convertPositionTo("absolute");if(!this.lastPositionAbs){this.lastPositionAbs=this.positionAbs};if(this.options.scroll){if(this.scrollParent[0]!==this.document[0]&&this.scrollParent[0].tagName!=="HTML"){if((this.overflowOffset.top+this.scrollParent[0].offsetHeight)-e.pageY<i.scrollSensitivity){this.scrollParent[0].scrollTop=s=this.scrollParent[0].scrollTop+i.scrollSpeed}
+;var n=t.widget("ui.sortable",t.ui.mouse,{version:"1.12.1",widgetEventPrefix:"sort",ready:!1,options:{appendTo:"parent",axis:!1,connectWith:!1,containment:!1,cursor:"auto",cursorAt:!1,dropOnEmpty:!0,forcePlaceholderSize:!1,forceHelperSize:!1,grid:!1,handle:!1,helper:"original",items:"> *",opacity:!1,placeholder:!1,revert:!1,scroll:!0,scrollSensitivity:20,scrollSpeed:20,scope:"default",tolerance:"intersect",zIndex:1000,activate:null,beforeStop:null,change:null,deactivate:null,out:null,over:null,receive:null,remove:null,sort:null,start:null,stop:null,update:null},_isOverAxis:function(t,e,i){return(t>=e)&&(t<(e+i))},_isFloating:function(t){return(/left|right/).test(t.css("float"))||(/inline|table-cell/).test(t.css("display"))},_create:function(){this.containerCache={};this._addClass("ui-sortable");this.refresh();this.offset=this.element.offset();this._mouseInit();this._setHandleClassName();this.ready=!0},_setOption:function(t,e){this._super(t,e);if(t==="handle"){this._setHandleClassName()}},_setHandleClassName:function(){var e=this;this._removeClass(this.element.find(".ui-sortable-handle"),"ui-sortable-handle");t.each(this.items,function(){e._addClass(this.instance.options.handle?this.item.find(this.instance.options.handle):this.item,"ui-sortable-handle")})},_destroy:function(){this._mouseDestroy();for(var t=this.items.length-1;t>=0;t--){this.items[t].item.removeData(this.widgetName+"-item")};return this},_mouseCapture:function(e,i){var s=null,n=!1,o=this;if(this.reverting){return!1};if(this.options.disabled||this.options.type==="static"){return!1};this._refreshItems(e);t(e.target).parents().each(function(){if(t.data(this,o.widgetName+"-item")===o){s=t(this);return!1}});if(t.data(e.target,o.widgetName+"-item")===o){s=t(e.target)};if(!s){return!1};if(this.options.handle&&!i){t(this.options.handle,s).find("*").addBack().each(function(){if(this===e.target){n=!0}});if(!n){return!1}};this.currentItem=s;this._removeCurrentsFromItems();return!0},_mouseStart:function(e,i,s){var n,r,o=this.options;this.currentContainer=this;this.refreshPositions();this.helper=this._createHelper(e);this._cacheHelperProportions();this._cacheMargins();this.scrollParent=this.helper.scrollParent();this.offset=this.currentItem.offset();this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left};t.extend(this.offset,{click:{left:e.pageX-this.offset.left,top:e.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()});this.helper.css("position","absolute");this.cssPosition=this.helper.css("position");this.originalPosition=this._generatePosition(e);this.originalPageX=e.pageX;this.originalPageY=e.pageY;(o.cursorAt&&this._adjustOffsetFromHelper(o.cursorAt));this.domPosition={prev:this.currentItem.prev()[0],parent:this.currentItem.parent()[0]};if(this.helper[0]!==this.currentItem[0]){this.currentItem.hide()};this._createPlaceholder();if(o.containment){this._setContainment()};if(o.cursor&&o.cursor!=="auto"){r=this.document.find("body");this.storedCursor=r.css("cursor");r.css("cursor",o.cursor);this.storedStylesheet=t("<style>*{ cursor: "+o.cursor+" !important; }</style>").appendTo(r)};if(o.opacity){if(this.helper.css("opacity")){this._storedOpacity=this.helper.css("opacity")};this.helper.css("opacity",o.opacity)};if(o.zIndex){if(this.helper.css("zIndex")){this._storedZIndex=this.helper.css("zIndex")};this.helper.css("zIndex",o.zIndex)};if(this.scrollParent[0]!==this.document[0]&&this.scrollParent[0].tagName!=="HTML"){this.overflowOffset=this.scrollParent.offset()};this._trigger("start",e,this._uiHash());if(!this._preserveHelperProportions){this._cacheHelperProportions()};if(!s){for(n=this.containers.length-1;n>=0;n--){this.containers[n]._trigger("activate",e,this._uiHash(this))}};if(t.ui.ddmanager){t.ui.ddmanager.current=this};if(t.ui.ddmanager&&!o.dropBehaviour){t.ui.ddmanager.prepareOffsets(this,e)};this.dragging=!0;this._addClass(this.helper,"ui-sortable-helper");this._mouseDrag(e);return!0},_mouseDrag:function(e){var r,o,n,a,i=this.options,s=!1;this.position=this._generatePosition(e);this.positionAbs=this._convertPositionTo("absolute");if(!this.lastPositionAbs){this.lastPositionAbs=this.positionAbs};if(this.options.scroll){if(this.scrollParent[0]!==this.document[0]&&this.scrollParent[0].tagName!=="HTML"){if((this.overflowOffset.top+this.scrollParent[0].offsetHeight)-e.pageY<i.scrollSensitivity){this.scrollParent[0].scrollTop=s=this.scrollParent[0].scrollTop+i.scrollSpeed}
else if(e.pageY-this.overflowOffset.top<i.scrollSensitivity){this.scrollParent[0].scrollTop=s=this.scrollParent[0].scrollTop-i.scrollSpeed};if((this.overflowOffset.left+this.scrollParent[0].offsetWidth)-e.pageX<i.scrollSensitivity){this.scrollParent[0].scrollLeft=s=this.scrollParent[0].scrollLeft+i.scrollSpeed}
else if(e.pageX-this.overflowOffset.left<i.scrollSensitivity){this.scrollParent[0].scrollLeft=s=this.scrollParent[0].scrollLeft-i.scrollSpeed}}
else{if(e.pageY-this.document.scrollTop()<i.scrollSensitivity){s=this.document.scrollTop(this.document.scrollTop()-i.scrollSpeed)}
else if(this.window.height()-(e.pageY-this.document.scrollTop())<i.scrollSensitivity){s=this.document.scrollTop(this.document.scrollTop()+i.scrollSpeed)};if(e.pageX-this.document.scrollLeft()<i.scrollSensitivity){s=this.document.scrollLeft(this.document.scrollLeft()-i.scrollSpeed)}
-else if(this.window.width()-(e.pageX-this.document.scrollLeft())<i.scrollSensitivity){s=this.document.scrollLeft(this.document.scrollLeft()+i.scrollSpeed)}};if(s!==!1&&t.ui.ddmanager&&!i.dropBehaviour){t.ui.ddmanager.prepareOffsets(this,e)}};this.positionAbs=this._convertPositionTo("absolute");if(!this.options.axis||this.options.axis!=="y"){this.helper[0].style.left=this.position.left+"px"};if(!this.options.axis||this.options.axis!=="x"){this.helper[0].style.top=this.position.top+"px"};for(r=this.items.length-1;r>=0;r--){n=this.items[r];o=n.item[0];h=this._intersectsWithPointer(n);if(!h){continue};if(n.instance!==this.currentContainer){continue};if(o!==this.currentItem[0]&&this.placeholder[h===1?"next":"prev"]()[0]!==o&&!t.contains(this.placeholder[0],o)&&(this.options.type==="semi-dynamic"?!t.contains(this.element[0],o):!0)){this.direction=h===1?"down":"up";if(this.options.tolerance==="pointer"||this._intersectsWithSides(n)){this._rearrange(e,n)}
-else{break};this._trigger("change",e,this._uiHash());break}};this._contactContainers(e);if(t.ui.ddmanager){t.ui.ddmanager.drag(this,e)};this._trigger("sort",e,this._uiHash());this.lastPositionAbs=this.positionAbs;return!1},_mouseStop:function(e,i){if(!e){return};if(t.ui.ddmanager&&!this.options.dropBehaviour){t.ui.ddmanager.drop(this,e)};if(this.options.revert){var r=this,o=this.placeholder.offset(),s=this.options.axis,n={};if(!s||s==="x"){n.left=o.left-this.offset.parent.left-this.margins.left+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollLeft)};if(!s||s==="y"){n.top=o.top-this.offset.parent.top-this.margins.top+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollTop)};this.reverting=!0;t(this.helper).animate(n,parseInt(this.options.revert,10)||500,function(){r._clear(e)})}
+else if(this.window.width()-(e.pageX-this.document.scrollLeft())<i.scrollSensitivity){s=this.document.scrollLeft(this.document.scrollLeft()+i.scrollSpeed)}};if(s!==!1&&t.ui.ddmanager&&!i.dropBehaviour){t.ui.ddmanager.prepareOffsets(this,e)}};this.positionAbs=this._convertPositionTo("absolute");if(!this.options.axis||this.options.axis!=="y"){this.helper[0].style.left=this.position.left+"px"};if(!this.options.axis||this.options.axis!=="x"){this.helper[0].style.top=this.position.top+"px"};for(r=this.items.length-1;r>=0;r--){o=this.items[r];n=o.item[0];a=this._intersectsWithPointer(o);if(!a){continue};if(o.instance!==this.currentContainer){continue};if(n!==this.currentItem[0]&&this.placeholder[a===1?"next":"prev"]()[0]!==n&&!t.contains(this.placeholder[0],n)&&(this.options.type==="semi-dynamic"?!t.contains(this.element[0],n):!0)){this.direction=a===1?"down":"up";if(this.options.tolerance==="pointer"||this._intersectsWithSides(o)){this._rearrange(e,o)}
+else{break};this._trigger("change",e,this._uiHash());break}};this._contactContainers(e);if(t.ui.ddmanager){t.ui.ddmanager.drag(this,e)};this._trigger("sort",e,this._uiHash());this.lastPositionAbs=this.positionAbs;return!1},_mouseStop:function(e,i){if(!e){return};if(t.ui.ddmanager&&!this.options.dropBehaviour){t.ui.ddmanager.drop(this,e)};if(this.options.revert){var r=this,n=this.placeholder.offset(),s=this.options.axis,o={};if(!s||s==="x"){o.left=n.left-this.offset.parent.left-this.margins.left+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollLeft)};if(!s||s==="y"){o.top=n.top-this.offset.parent.top-this.margins.top+(this.offsetParent[0]===this.document[0].body?0:this.offsetParent[0].scrollTop)};this.reverting=!0;t(this.helper).animate(o,parseInt(this.options.revert,10)||500,function(){r._clear(e)})}
else{this._clear(e,i)};return!1},cancel:function(){if(this.dragging){this._mouseUp(new t.Event("mouseup",{target:null}));if(this.options.helper==="original"){this.currentItem.css(this._storedCSS);this._removeClass(this.currentItem,"ui-sortable-helper")}
else{this.currentItem.show()};for(var e=this.containers.length-1;e>=0;e--){this.containers[e]._trigger("deactivate",null,this._uiHash(this));if(this.containers[e].containerCache.over){this.containers[e]._trigger("out",null,this._uiHash(this));this.containers[e].containerCache.over=0}}};if(this.placeholder){if(this.placeholder[0].parentNode){this.placeholder[0].parentNode.removeChild(this.placeholder[0])};if(this.options.helper!=="original"&&this.helper&&this.helper[0].parentNode){this.helper.remove()};t.extend(this,{helper:null,dragging:!1,reverting:!1,_noFinalSort:null});if(this.domPosition.prev){t(this.domPosition.prev).after(this.currentItem)}
-else{t(this.domPosition.parent).prepend(this.currentItem)}};return this},serialize:function(e){var s=this._getItemsAsjQuery(e&&e.connected),i=[];e=e||{};t(s).each(function(){var s=(t(e.item||this).attr(e.attribute||"id")||"").match(e.expression||(/(.+)[\-=_](.+)/));if(s){i.push((e.key||s[1]+"[]")+"="+(e.key&&e.expression?s[1]:s[2]))}});if(!i.length&&e.key){i.push(e.key+"=")};return i.join("&")},toArray:function(e){var s=this._getItemsAsjQuery(e&&e.connected),i=[];e=e||{};s.each(function(){i.push(t(e.item||this).attr(e.attribute||"id")||"")});return i},_intersectsWith:function(t){var e=this.positionAbs.left,l=e+this.helperProportions.width,i=this.positionAbs.top,c=i+this.helperProportions.height,s=t.left,o=s+t.width,n=t.top,r=n+t.height,h=this.offset.click.top,a=this.offset.click.left,f=(this.options.axis==="x")||((i+h)>n&&(i+h)<r),u=(this.options.axis==="y")||((e+a)>s&&(e+a)<o),p=f&&u;if(this.options.tolerance==="pointer"||this.options.forcePointerForContainers||(this.options.tolerance!=="pointer"&&this.helperProportions[this.floating?"width":"height"]>t[this.floating?"width":"height"])){return p}
-else{return(s<e+(this.helperProportions.width/2)&&l-(this.helperProportions.width/2)<o&&n<i+(this.helperProportions.height/2)&&c-(this.helperProportions.height/2)<r)}},_intersectsWithPointer:function(t){var e,i,s=(this.options.axis==="x")||this._isOverAxis(this.positionAbs.top+this.offset.click.top,t.top,t.height),n=(this.options.axis==="y")||this._isOverAxis(this.positionAbs.left+this.offset.click.left,t.left,t.width),o=s&&n;if(!o){return!1};e=this._getDragVerticalDirection();i=this._getDragHorizontalDirection();return this.floating?((i==="right"||e==="down")?2:1):(e&&(e==="down"?2:1))},_intersectsWithSides:function(t){var s=this._isOverAxis(this.positionAbs.top+this.offset.click.top,t.top+(t.height/2),t.height),n=this._isOverAxis(this.positionAbs.left+this.offset.click.left,t.left+(t.width/2),t.width),e=this._getDragVerticalDirection(),i=this._getDragHorizontalDirection();if(this.floating&&i){return((i==="right"&&n)||(i==="left"&&!n))}
-else{return e&&((e==="down"&&s)||(e==="up"&&!s))}},_getDragVerticalDirection:function(){var t=this.positionAbs.top-this.lastPositionAbs.top;return t!==0&&(t>0?"down":"up")},_getDragHorizontalDirection:function(){var t=this.positionAbs.left-this.lastPositionAbs.left;return t!==0&&(t>0?"right":"left")},refresh:function(t){this._refreshItems(t);this._setHandleClassName();this.refreshPositions();return this},_connectWith:function(){var t=this.options;return t.connectWith.constructor===String?[t.connectWith]:t.connectWith},_getItemsAsjQuery:function(e){var s,n,r,i,a=[],o=[],h=this._connectWith();if(h&&e){for(s=h.length-1;s>=0;s--){r=t(h[s],this.document[0]);for(n=r.length-1;n>=0;n--){i=t.data(r[n],this.widgetFullName);if(i&&i!==this&&!i.options.disabled){o.push([t.isFunction(i.options.items)?i.options.items.call(i.element):t(i.options.items,i.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),i])}}}};o.push([t.isFunction(this.options.items)?this.options.items.call(this.element,null,{options:this.options,item:this.currentItem}):t(this.options.items,this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),this]);function l(){a.push(this)};for(s=o.length-1;s>=0;s--){o[s][0].each(l)};return t(a)},_removeCurrentsFromItems:function(){var e=this.currentItem.find(":data("+this.widgetName+"-item)");this.items=t.grep(this.items,function(t){for(var i=0;i<e.length;i++){if(e[i]===t.item[0]){return!1}};return!0})},_refreshItems:function(e){this.items=[];this.containers=[this];var s,n,r,i,h,a,l,f,u=this.items,o=[[t.isFunction(this.options.items)?this.options.items.call(this.element[0],e,{item:this.currentItem}):t(this.options.items,this.element),this]],c=this._connectWith();if(c&&this.ready){for(s=c.length-1;s>=0;s--){r=t(c[s],this.document[0]);for(n=r.length-1;n>=0;n--){i=t.data(r[n],this.widgetFullName);if(i&&i!==this&&!i.options.disabled){o.push([t.isFunction(i.options.items)?i.options.items.call(i.element[0],e,{item:this.currentItem}):t(i.options.items,i.element),i]);this.containers.push(i)}}}};for(s=o.length-1;s>=0;s--){h=o[s][1];a=o[s][0];for(n=0,f=a.length;n<f;n++){l=t(a[n]);l.data(this.widgetName+"-item",h);u.push({item:l,instance:h,width:0,height:0,left:0,top:0})}}},refreshPositions:function(e){this.floating=this.items.length?this.options.axis==="x"||this._isFloating(this.items[0].item):!1;if(this.offsetParent&&this.helper){this.offset.parent=this._getParentOffset()};var i,s,o,n;for(i=this.items.length-1;i>=0;i--){s=this.items[i];if(s.instance!==this.currentContainer&&this.currentContainer&&s.item[0]!==this.currentItem[0]){continue};o=this.options.toleranceElement?t(this.options.toleranceElement,s.item):s.item;if(!e){s.width=o.outerWidth();s.height=o.outerHeight()};n=o.offset();s.left=n.left;s.top=n.top};if(this.options.custom&&this.options.custom.refreshContainers){this.options.custom.refreshContainers.call(this)}
-else{for(i=this.containers.length-1;i>=0;i--){n=this.containers[i].element.offset();this.containers[i].containerCache.left=n.left;this.containers[i].containerCache.top=n.top;this.containers[i].containerCache.width=this.containers[i].element.outerWidth();this.containers[i].containerCache.height=this.containers[i].element.outerHeight()}};return this},_createPlaceholder:function(e){e=e||this;var s,i=e.options;if(!i.placeholder||i.placeholder.constructor===String){s=i.placeholder;i.placeholder={element:function(){var n=e.currentItem[0].nodeName.toLowerCase(),i=t("<"+n+">",e.document[0]);e._addClass(i,"ui-sortable-placeholder",s||e.currentItem[0].className)._removeClass(i,"ui-sortable-helper");if(n==="tbody"){e._createTrPlaceholder(e.currentItem.find("tr").eq(0),t("<tr>",e.document[0]).appendTo(i))}
-else if(n==="tr"){e._createTrPlaceholder(e.currentItem,i)}
-else if(n==="img"){i.attr("src",e.currentItem.attr("src"))};if(!s){i.css("visibility","hidden")};return i},update:function(t,n){if(s&&!i.forcePlaceholderSize){return};if(!n.height()){n.height(e.currentItem.innerHeight()-parseInt(e.currentItem.css("paddingTop")||0,10)-parseInt(e.currentItem.css("paddingBottom")||0,10))};if(!n.width()){n.width(e.currentItem.innerWidth()-parseInt(e.currentItem.css("paddingLeft")||0,10)-parseInt(e.currentItem.css("paddingRight")||0,10))}}}};e.placeholder=t(i.placeholder.element.call(e.element,e.currentItem));e.currentItem.after(e.placeholder);i.placeholder.update(e,e.placeholder)},_createTrPlaceholder:function(e,i){var s=this;e.children().each(function(){t("<td> </td>",s.document[0]).attr("colspan",t(this).attr("colspan")||1).appendTo(i)})},_contactContainers:function(e){var s,n,c,o,u,p,h,f,a,l,r=null,i=null;for(s=this.containers.length-1;s>=0;s--){if(t.contains(this.currentItem[0],this.containers[s].element[0])){continue};if(this._intersectsWith(this.containers[s].containerCache)){if(r&&t.contains(this.containers[s].element[0],r.element[0])){continue};r=this.containers[s];i=s}
+else{t(this.domPosition.parent).prepend(this.currentItem)}};return this},serialize:function(e){var s=this._getItemsAsjQuery(e&&e.connected),i=[];e=e||{};t(s).each(function(){var s=(t(e.item||this).attr(e.attribute||"id")||"").match(e.expression||(/(.+)[\-=_](.+)/));if(s){i.push((e.key||s[1]+"[]")+"="+(e.key&&e.expression?s[1]:s[2]))}});if(!i.length&&e.key){i.push(e.key+"=")};return i.join("&")},toArray:function(e){var s=this._getItemsAsjQuery(e&&e.connected),i=[];e=e||{};s.each(function(){i.push(t(e.item||this).attr(e.attribute||"id")||"")});return i},_intersectsWith:function(t){var e=this.positionAbs.left,l=e+this.helperProportions.width,i=this.positionAbs.top,c=i+this.helperProportions.height,s=t.left,n=s+t.width,o=t.top,r=o+t.height,a=this.offset.click.top,h=this.offset.click.left,f=(this.options.axis==="x")||((i+a)>o&&(i+a)<r),p=(this.options.axis==="y")||((e+h)>s&&(e+h)<n),u=f&&p;if(this.options.tolerance==="pointer"||this.options.forcePointerForContainers||(this.options.tolerance!=="pointer"&&this.helperProportions[this.floating?"width":"height"]>t[this.floating?"width":"height"])){return u}
+else{return(s<e+(this.helperProportions.width/2)&&l-(this.helperProportions.width/2)<n&&o<i+(this.helperProportions.height/2)&&c-(this.helperProportions.height/2)<r)}},_intersectsWithPointer:function(t){var e,i,s=(this.options.axis==="x")||this._isOverAxis(this.positionAbs.top+this.offset.click.top,t.top,t.height),o=(this.options.axis==="y")||this._isOverAxis(this.positionAbs.left+this.offset.click.left,t.left,t.width),n=s&&o;if(!n){return!1};e=this._getDragVerticalDirection();i=this._getDragHorizontalDirection();return this.floating?((i==="right"||e==="down")?2:1):(e&&(e==="down"?2:1))},_intersectsWithSides:function(t){var s=this._isOverAxis(this.positionAbs.top+this.offset.click.top,t.top+(t.height/2),t.height),o=this._isOverAxis(this.positionAbs.left+this.offset.click.left,t.left+(t.width/2),t.width),e=this._getDragVerticalDirection(),i=this._getDragHorizontalDirection();if(this.floating&&i){return((i==="right"&&o)||(i==="left"&&!o))}
+else{return e&&((e==="down"&&s)||(e==="up"&&!s))}},_getDragVerticalDirection:function(){var t=this.positionAbs.top-this.lastPositionAbs.top;return t!==0&&(t>0?"down":"up")},_getDragHorizontalDirection:function(){var t=this.positionAbs.left-this.lastPositionAbs.left;return t!==0&&(t>0?"right":"left")},refresh:function(t){this._refreshItems(t);this._setHandleClassName();this.refreshPositions();return this},_connectWith:function(){var t=this.options;return t.connectWith.constructor===String?[t.connectWith]:t.connectWith},_getItemsAsjQuery:function(e){var s,o,r,i,h=[],n=[],a=this._connectWith();if(a&&e){for(s=a.length-1;s>=0;s--){r=t(a[s],this.document[0]);for(o=r.length-1;o>=0;o--){i=t.data(r[o],this.widgetFullName);if(i&&i!==this&&!i.options.disabled){n.push([t.isFunction(i.options.items)?i.options.items.call(i.element):t(i.options.items,i.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),i])}}}};n.push([t.isFunction(this.options.items)?this.options.items.call(this.element,null,{options:this.options,item:this.currentItem}):t(this.options.items,this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"),this]);function l(){h.push(this)};for(s=n.length-1;s>=0;s--){n[s][0].each(l)};return t(h)},_removeCurrentsFromItems:function(){var e=this.currentItem.find(":data("+this.widgetName+"-item)");this.items=t.grep(this.items,function(t){for(var i=0;i<e.length;i++){if(e[i]===t.item[0]){return!1}};return!0})},_refreshItems:function(e){this.items=[];this.containers=[this];var s,o,r,i,a,h,l,f,p=this.items,n=[[t.isFunction(this.options.items)?this.options.items.call(this.element[0],e,{item:this.currentItem}):t(this.options.items,this.element),this]],c=this._connectWith();if(c&&this.ready){for(s=c.length-1;s>=0;s--){r=t(c[s],this.document[0]);for(o=r.length-1;o>=0;o--){i=t.data(r[o],this.widgetFullName);if(i&&i!==this&&!i.options.disabled){n.push([t.isFunction(i.options.items)?i.options.items.call(i.element[0],e,{item:this.currentItem}):t(i.options.items,i.element),i]);this.containers.push(i)}}}};for(s=n.length-1;s>=0;s--){a=n[s][1];h=n[s][0];for(o=0,f=h.length;o<f;o++){l=t(h[o]);l.data(this.widgetName+"-item",a);p.push({item:l,instance:a,width:0,height:0,left:0,top:0})}}},refreshPositions:function(e){this.floating=this.items.length?this.options.axis==="x"||this._isFloating(this.items[0].item):!1;if(this.offsetParent&&this.helper){this.offset.parent=this._getParentOffset()};var i,s,n,o;for(i=this.items.length-1;i>=0;i--){s=this.items[i];if(s.instance!==this.currentContainer&&this.currentContainer&&s.item[0]!==this.currentItem[0]){continue};n=this.options.toleranceElement?t(this.options.toleranceElement,s.item):s.item;if(!e){s.width=n.outerWidth();s.height=n.outerHeight()};o=n.offset();s.left=o.left;s.top=o.top};if(this.options.custom&&this.options.custom.refreshContainers){this.options.custom.refreshContainers.call(this)}
+else{for(i=this.containers.length-1;i>=0;i--){o=this.containers[i].element.offset();this.containers[i].containerCache.left=o.left;this.containers[i].containerCache.top=o.top;this.containers[i].containerCache.width=this.containers[i].element.outerWidth();this.containers[i].containerCache.height=this.containers[i].element.outerHeight()}};return this},_createPlaceholder:function(e){e=e||this;var s,i=e.options;if(!i.placeholder||i.placeholder.constructor===String){s=i.placeholder;i.placeholder={element:function(){var o=e.currentItem[0].nodeName.toLowerCase(),i=t("<"+o+">",e.document[0]);e._addClass(i,"ui-sortable-placeholder",s||e.currentItem[0].className)._removeClass(i,"ui-sortable-helper");if(o==="tbody"){e._createTrPlaceholder(e.currentItem.find("tr").eq(0),t("<tr>",e.document[0]).appendTo(i))}
+else if(o==="tr"){e._createTrPlaceholder(e.currentItem,i)}
+else if(o==="img"){i.attr("src",e.currentItem.attr("src"))};if(!s){i.css("visibility","hidden")};return i},update:function(t,o){if(s&&!i.forcePlaceholderSize){return};if(!o.height()){o.height(e.currentItem.innerHeight()-parseInt(e.currentItem.css("paddingTop")||0,10)-parseInt(e.currentItem.css("paddingBottom")||0,10))};if(!o.width()){o.width(e.currentItem.innerWidth()-parseInt(e.currentItem.css("paddingLeft")||0,10)-parseInt(e.currentItem.css("paddingRight")||0,10))}}}};e.placeholder=t(i.placeholder.element.call(e.element,e.currentItem));e.currentItem.after(e.placeholder);i.placeholder.update(e,e.placeholder)},_createTrPlaceholder:function(e,i){var s=this;e.children().each(function(){t("<td> </td>",s.document[0]).attr("colspan",t(this).attr("colspan")||1).appendTo(i)})},_contactContainers:function(e){var s,o,c,n,p,u,a,f,h,l,r=null,i=null;for(s=this.containers.length-1;s>=0;s--){if(t.contains(this.currentItem[0],this.containers[s].element[0])){continue};if(this._intersectsWith(this.containers[s].containerCache)){if(r&&t.contains(this.containers[s].element[0],r.element[0])){continue};r=this.containers[s];i=s}
else{if(this.containers[s].containerCache.over){this.containers[s]._trigger("out",e,this._uiHash(this));this.containers[s].containerCache.over=0}}};if(!r){return};if(this.containers.length===1){if(!this.containers[i].containerCache.over){this.containers[i]._trigger("over",e,this._uiHash(this));this.containers[i].containerCache.over=1}}
-else{c=10000;o=null;a=r.floating||this._isFloating(this.currentItem);u=a?"left":"top";p=a?"width":"height";l=a?"pageX":"pageY";for(n=this.items.length-1;n>=0;n--){if(!t.contains(this.containers[i].element[0],this.items[n].item[0])){continue};if(this.items[n].item[0]===this.currentItem[0]){continue};h=this.items[n].item.offset()[u];f=!1;if(e[l]-h>this.items[n][p]/2){f=!0};if(Math.abs(e[l]-h)<c){c=Math.abs(e[l]-h);o=this.items[n];this.direction=f?"up":"down"}};if(!o&&!this.options.dropOnEmpty){return};if(this.currentContainer===this.containers[i]){if(!this.currentContainer.containerCache.over){this.containers[i]._trigger("over",e,this._uiHash());this.currentContainer.containerCache.over=1};return};o?this._rearrange(e,o,null,!0):this._rearrange(e,null,this.containers[i].element,!0);this._trigger("change",e,this._uiHash());this.containers[i]._trigger("change",e,this._uiHash(this));this.currentContainer=this.containers[i];this.options.placeholder.update(this.currentContainer,this.placeholder);this.containers[i]._trigger("over",e,this._uiHash(this));this.containers[i].containerCache.over=1}},_createHelper:function(e){var s=this.options,i=t.isFunction(s.helper)?t(s.helper.apply(this.element[0],[e,this.currentItem])):(s.helper==="clone"?this.currentItem.clone():this.currentItem);if(!i.parents("body").length){t(s.appendTo!=="parent"?s.appendTo:this.currentItem[0].parentNode)[0].appendChild(i[0])};if(i[0]===this.currentItem[0]){this._storedCSS={width:this.currentItem[0].style.width,height:this.currentItem[0].style.height,position:this.currentItem.css("position"),top:this.currentItem.css("top"),left:this.currentItem.css("left")}};if(!i[0].style.width||s.forceHelperSize){i.width(this.currentItem.width())};if(!i[0].style.height||s.forceHelperSize){i.height(this.currentItem.height())};return i},_adjustOffsetFromHelper:function(e){if(typeof e==="string"){e=e.split(" ")};if(t.isArray(e)){e={left:+e[0],top:+e[1]||0}};if("left" in e){this.offset.click.left=e.left+this.margins.left};if("right" in e){this.offset.click.left=this.helperProportions.width-e.right+this.margins.left};if("top" in e){this.offset.click.top=e.top+this.margins.top};if("bottom" in e){this.offset.click.top=this.helperProportions.height-e.bottom+this.margins.top}},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var e=this.offsetParent.offset();if(this.cssPosition==="absolute"&&this.scrollParent[0]!==this.document[0]&&t.contains(this.scrollParent[0],this.offsetParent[0])){e.left+=this.scrollParent.scrollLeft();e.top+=this.scrollParent.scrollTop()};if(this.offsetParent[0]===this.document[0].body||(this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()==="html"&&t.ui.ie)){e={top:0,left:0}};return{top:e.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:e.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if(this.cssPosition==="relative"){var t=this.currentItem.position();return{top:t.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:t.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}}
-else{return{top:0,left:0}}},_cacheMargins:function(){this.margins={left:(parseInt(this.currentItem.css("marginLeft"),10)||0),top:(parseInt(this.currentItem.css("marginTop"),10)||0)}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var e,s,n,i=this.options;if(i.containment==="parent"){i.containment=this.helper[0].parentNode};if(i.containment==="document"||i.containment==="window"){this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,i.containment==="document"?this.document.width():this.window.width()-this.helperProportions.width-this.margins.left,(i.containment==="document"?(this.document.height()||document.body.parentNode.scrollHeight):this.window.height()||this.document[0].body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]};if(!(/^(document|window|parent)$/).test(i.containment)){e=t(i.containment)[0];s=t(i.containment).offset();n=(t(e).css("overflow")!=="hidden");this.containment=[s.left+(parseInt(t(e).css("borderLeftWidth"),10)||0)+(parseInt(t(e).css("paddingLeft"),10)||0)-this.margins.left,s.top+(parseInt(t(e).css("borderTopWidth"),10)||0)+(parseInt(t(e).css("paddingTop"),10)||0)-this.margins.top,s.left+(n?Math.max(e.scrollWidth,e.offsetWidth):e.offsetWidth)-(parseInt(t(e).css("borderLeftWidth"),10)||0)-(parseInt(t(e).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left,s.top+(n?Math.max(e.scrollHeight,e.offsetHeight):e.offsetHeight)-(parseInt(t(e).css("borderTopWidth"),10)||0)-(parseInt(t(e).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top]}},_convertPositionTo:function(e,i){if(!i){i=this.position};var s=e==="absolute"?1:-1,n=this.cssPosition==="absolute"&&!(this.scrollParent[0]!==this.document[0]&&t.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,o=(/(html|body)/i).test(n[0].tagName);return{top:(i.top+this.offset.relative.top*s+this.offset.parent.top*s-((this.cssPosition==="fixed"?-this.scrollParent.scrollTop():(o?0:n.scrollTop()))*s)),left:(i.left+this.offset.relative.left*s+this.offset.parent.left*s-((this.cssPosition==="fixed"?-this.scrollParent.scrollLeft():o?0:n.scrollLeft())*s))}},_generatePosition:function(e){var s,n,i=this.options,o=e.pageX,r=e.pageY,h=this.cssPosition==="absolute"&&!(this.scrollParent[0]!==this.document[0]&&t.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,a=(/(html|body)/i).test(h[0].tagName);if(this.cssPosition==="relative"&&!(this.scrollParent[0]!==this.document[0]&&this.scrollParent[0]!==this.offsetParent[0])){this.offset.relative=this._getRelativeOffset()};if(this.originalPosition){if(this.containment){if(e.pageX-this.offset.click.left<this.containment[0]){o=this.containment[0]+this.offset.click.left};if(e.pageY-this.offset.click.top<this.containment[1]){r=this.containment[1]+this.offset.click.top};if(e.pageX-this.offset.click.left>this.containment[2]){o=this.containment[2]+this.offset.click.left};if(e.pageY-this.offset.click.top>this.containment[3]){r=this.containment[3]+this.offset.click.top}};if(i.grid){s=this.originalPageY+Math.round((r-this.originalPageY)/i.grid[1])*i.grid[1];r=this.containment?((s-this.offset.click.top>=this.containment[1]&&s-this.offset.click.top<=this.containment[3])?s:((s-this.offset.click.top>=this.containment[1])?s-i.grid[1]:s+i.grid[1])):s;n=this.originalPageX+Math.round((o-this.originalPageX)/i.grid[0])*i.grid[0];o=this.containment?((n-this.offset.click.left>=this.containment[0]&&n-this.offset.click.left<=this.containment[2])?n:((n-this.offset.click.left>=this.containment[0])?n-i.grid[0]:n+i.grid[0])):n}};return{top:(r-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+((this.cssPosition==="fixed"?-this.scrollParent.scrollTop():(a?0:h.scrollTop())))),left:(o-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+((this.cssPosition==="fixed"?-this.scrollParent.scrollLeft():a?0:h.scrollLeft())))}},_rearrange:function(t,e,i,s){i?i[0].appendChild(this.placeholder[0]):e.item[0].parentNode.insertBefore(this.placeholder[0],(this.direction==="down"?e.item[0]:e.item[0].nextSibling));this.counter=this.counter?++this.counter:1;var n=this.counter;this._delay(function(){if(n===this.counter){this.refreshPositions(!s)}})},_clear:function(t,e){this.reverting=!1;var i,s=[];if(!this._noFinalSort&&this.currentItem.parent().length){this.placeholder.before(this.currentItem)};this._noFinalSort=null;if(this.helper[0]===this.currentItem[0]){for(i in this._storedCSS){if(this._storedCSS[i]==="auto"||this._storedCSS[i]==="static"){this._storedCSS[i]=""}};this.currentItem.css(this._storedCSS);this._removeClass(this.currentItem,"ui-sortable-helper")}
-else{this.currentItem.show()};if(this.fromOutside&&!e){s.push(function(t){this._trigger("receive",t,this._uiHash(this.fromOutside))})};if((this.fromOutside||this.domPosition.prev!==this.currentItem.prev().not(".ui-sortable-helper")[0]||this.domPosition.parent!==this.currentItem.parent()[0])&&!e){s.push(function(t){this._trigger("update",t,this._uiHash())})};if(this!==this.currentContainer){if(!e){s.push(function(t){this._trigger("remove",t,this._uiHash())});s.push((function(t){return function(e){t._trigger("receive",e,this._uiHash(this))}}).call(this,this.currentContainer));s.push((function(t){return function(e){t._trigger("update",e,this._uiHash(this))}}).call(this,this.currentContainer))}};function n(t,e,i){return function(s){i._trigger(t,s,e._uiHash(e))}};for(i=this.containers.length-1;i>=0;i--){if(!e){s.push(n("deactivate",this,this.containers[i]))};if(this.containers[i].containerCache.over){s.push(n("out",this,this.containers[i]));this.containers[i].containerCache.over=0}};if(this.storedCursor){this.document.find("body").css("cursor",this.storedCursor);this.storedStylesheet.remove()};if(this._storedOpacity){this.helper.css("opacity",this._storedOpacity)};if(this._storedZIndex){this.helper.css("zIndex",this._storedZIndex==="auto"?"":this._storedZIndex)};this.dragging=!1;if(!e){this._trigger("beforeStop",t,this._uiHash())};this.placeholder[0].parentNode.removeChild(this.placeholder[0]);if(!this.cancelHelperRemoval){if(this.helper[0]!==this.currentItem[0]){this.helper.remove()};this.helper=null};if(!e){for(i=0;i<s.length;i++){s[i].call(this,t)};this._trigger("stop",t,this._uiHash())};this.fromOutside=!1;return!this.cancelHelperRemoval},_trigger:function(){if(t.Widget.prototype._trigger.apply(this,arguments)===!1){this.cancel()}},_uiHash:function(e){var i=e||this;return{helper:i.helper,placeholder:i.placeholder||t([]),position:i.position,originalPosition:i.originalPosition,offset:i.positionAbs,item:i.currentItem,sender:e?e.element:null}}})}));
+else{c=10000;n=null;h=r.floating||this._isFloating(this.currentItem);p=h?"left":"top";u=h?"width":"height";l=h?"pageX":"pageY";for(o=this.items.length-1;o>=0;o--){if(!t.contains(this.containers[i].element[0],this.items[o].item[0])){continue};if(this.items[o].item[0]===this.currentItem[0]){continue};a=this.items[o].item.offset()[p];f=!1;if(e[l]-a>this.items[o][u]/2){f=!0};if(Math.abs(e[l]-a)<c){c=Math.abs(e[l]-a);n=this.items[o];this.direction=f?"up":"down"}};if(!n&&!this.options.dropOnEmpty){return};if(this.currentContainer===this.containers[i]){if(!this.currentContainer.containerCache.over){this.containers[i]._trigger("over",e,this._uiHash());this.currentContainer.containerCache.over=1};return};n?this._rearrange(e,n,null,!0):this._rearrange(e,null,this.containers[i].element,!0);this._trigger("change",e,this._uiHash());this.containers[i]._trigger("change",e,this._uiHash(this));this.currentContainer=this.containers[i];this.options.placeholder.update(this.currentContainer,this.placeholder);this.containers[i]._trigger("over",e,this._uiHash(this));this.containers[i].containerCache.over=1}},_createHelper:function(e){var s=this.options,i=t.isFunction(s.helper)?t(s.helper.apply(this.element[0],[e,this.currentItem])):(s.helper==="clone"?this.currentItem.clone():this.currentItem);if(!i.parents("body").length){t(s.appendTo!=="parent"?s.appendTo:this.currentItem[0].parentNode)[0].appendChild(i[0])};if(i[0]===this.currentItem[0]){this._storedCSS={width:this.currentItem[0].style.width,height:this.currentItem[0].style.height,position:this.currentItem.css("position"),top:this.currentItem.css("top"),left:this.currentItem.css("left")}};if(!i[0].style.width||s.forceHelperSize){i.width(this.currentItem.width())};if(!i[0].style.height||s.forceHelperSize){i.height(this.currentItem.height())};return i},_adjustOffsetFromHelper:function(e){if(typeof e==="string"){e=e.split(" ")};if(t.isArray(e)){e={left:+e[0],top:+e[1]||0}};if("left" in e){this.offset.click.left=e.left+this.margins.left};if("right" in e){this.offset.click.left=this.helperProportions.width-e.right+this.margins.left};if("top" in e){this.offset.click.top=e.top+this.margins.top};if("bottom" in e){this.offset.click.top=this.helperProportions.height-e.bottom+this.margins.top}},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var e=this.offsetParent.offset();if(this.cssPosition==="absolute"&&this.scrollParent[0]!==this.document[0]&&t.contains(this.scrollParent[0],this.offsetParent[0])){e.left+=this.scrollParent.scrollLeft();e.top+=this.scrollParent.scrollTop()};if(this.offsetParent[0]===this.document[0].body||(this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()==="html"&&t.ui.ie)){e={top:0,left:0}};return{top:e.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:e.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if(this.cssPosition==="relative"){var t=this.currentItem.position();return{top:t.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:t.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}}
+else{return{top:0,left:0}}},_cacheMargins:function(){this.margins={left:(parseInt(this.currentItem.css("marginLeft"),10)||0),top:(parseInt(this.currentItem.css("marginTop"),10)||0)}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var e,s,o,i=this.options;if(i.containment==="parent"){i.containment=this.helper[0].parentNode};if(i.containment==="document"||i.containment==="window"){this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,i.containment==="document"?this.document.width():this.window.width()-this.helperProportions.width-this.margins.left,(i.containment==="document"?(this.document.height()||document.body.parentNode.scrollHeight):this.window.height()||this.document[0].body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]};if(!(/^(document|window|parent)$/).test(i.containment)){e=t(i.containment)[0];s=t(i.containment).offset();o=(t(e).css("overflow")!=="hidden");this.containment=[s.left+(parseInt(t(e).css("borderLeftWidth"),10)||0)+(parseInt(t(e).css("paddingLeft"),10)||0)-this.margins.left,s.top+(parseInt(t(e).css("borderTopWidth"),10)||0)+(parseInt(t(e).css("paddingTop"),10)||0)-this.margins.top,s.left+(o?Math.max(e.scrollWidth,e.offsetWidth):e.offsetWidth)-(parseInt(t(e).css("borderLeftWidth"),10)||0)-(parseInt(t(e).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left,s.top+(o?Math.max(e.scrollHeight,e.offsetHeight):e.offsetHeight)-(parseInt(t(e).css("borderTopWidth"),10)||0)-(parseInt(t(e).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top]}},_convertPositionTo:function(e,i){if(!i){i=this.position};var s=e==="absolute"?1:-1,o=this.cssPosition==="absolute"&&!(this.scrollParent[0]!==this.document[0]&&t.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,n=(/(html|body)/i).test(o[0].tagName);return{top:(i.top+this.offset.relative.top*s+this.offset.parent.top*s-((this.cssPosition==="fixed"?-this.scrollParent.scrollTop():(n?0:o.scrollTop()))*s)),left:(i.left+this.offset.relative.left*s+this.offset.parent.left*s-((this.cssPosition==="fixed"?-this.scrollParent.scrollLeft():n?0:o.scrollLeft())*s))}},_generatePosition:function(e){var s,o,i=this.options,n=e.pageX,r=e.pageY,a=this.cssPosition==="absolute"&&!(this.scrollParent[0]!==this.document[0]&&t.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,h=(/(html|body)/i).test(a[0].tagName);if(this.cssPosition==="relative"&&!(this.scrollParent[0]!==this.document[0]&&this.scrollParent[0]!==this.offsetParent[0])){this.offset.relative=this._getRelativeOffset()};if(this.originalPosition){if(this.containment){if(e.pageX-this.offset.click.left<this.containment[0]){n=this.containment[0]+this.offset.click.left};if(e.pageY-this.offset.click.top<this.containment[1]){r=this.containment[1]+this.offset.click.top};if(e.pageX-this.offset.click.left>this.containment[2]){n=this.containment[2]+this.offset.click.left};if(e.pageY-this.offset.click.top>this.containment[3]){r=this.containment[3]+this.offset.click.top}};if(i.grid){s=this.originalPageY+Math.round((r-this.originalPageY)/i.grid[1])*i.grid[1];r=this.containment?((s-this.offset.click.top>=this.containment[1]&&s-this.offset.click.top<=this.containment[3])?s:((s-this.offset.click.top>=this.containment[1])?s-i.grid[1]:s+i.grid[1])):s;o=this.originalPageX+Math.round((n-this.originalPageX)/i.grid[0])*i.grid[0];n=this.containment?((o-this.offset.click.left>=this.containment[0]&&o-this.offset.click.left<=this.containment[2])?o:((o-this.offset.click.left>=this.containment[0])?o-i.grid[0]:o+i.grid[0])):o}};return{top:(r-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+((this.cssPosition==="fixed"?-this.scrollParent.scrollTop():(h?0:a.scrollTop())))),left:(n-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+((this.cssPosition==="fixed"?-this.scrollParent.scrollLeft():h?0:a.scrollLeft())))}},_rearrange:function(t,e,i,s){i?i[0].appendChild(this.placeholder[0]):e.item[0].parentNode.insertBefore(this.placeholder[0],(this.direction==="down"?e.item[0]:e.item[0].nextSibling));this.counter=this.counter?++this.counter:1;var o=this.counter;this._delay(function(){if(o===this.counter){this.refreshPositions(!s)}})},_clear:function(t,e){this.reverting=!1;var i,s=[];if(!this._noFinalSort&&this.currentItem.parent().length){this.placeholder.before(this.currentItem)};this._noFinalSort=null;if(this.helper[0]===this.currentItem[0]){for(i in this._storedCSS){if(this._storedCSS[i]==="auto"||this._storedCSS[i]==="static"){this._storedCSS[i]=""}};this.currentItem.css(this._storedCSS);this._removeClass(this.currentItem,"ui-sortable-helper")}
+else{this.currentItem.show()};if(this.fromOutside&&!e){s.push(function(t){this._trigger("receive",t,this._uiHash(this.fromOutside))})};if((this.fromOutside||this.domPosition.prev!==this.currentItem.prev().not(".ui-sortable-helper")[0]||this.domPosition.parent!==this.currentItem.parent()[0])&&!e){s.push(function(t){this._trigger("update",t,this._uiHash())})};if(this!==this.currentContainer){if(!e){s.push(function(t){this._trigger("remove",t,this._uiHash())});s.push((function(t){return function(e){t._trigger("receive",e,this._uiHash(this))}}).call(this,this.currentContainer));s.push((function(t){return function(e){t._trigger("update",e,this._uiHash(this))}}).call(this,this.currentContainer))}};function o(t,e,i){return function(s){i._trigger(t,s,e._uiHash(e))}};for(i=this.containers.length-1;i>=0;i--){if(!e){s.push(o("deactivate",this,this.containers[i]))};if(this.containers[i].containerCache.over){s.push(o("out",this,this.containers[i]));this.containers[i].containerCache.over=0}};if(this.storedCursor){this.document.find("body").css("cursor",this.storedCursor);this.storedStylesheet.remove()};if(this._storedOpacity){this.helper.css("opacity",this._storedOpacity)};if(this._storedZIndex){this.helper.css("zIndex",this._storedZIndex==="auto"?"":this._storedZIndex)};this.dragging=!1;if(!e){this._trigger("beforeStop",t,this._uiHash())};this.placeholder[0].parentNode.removeChild(this.placeholder[0]);if(!this.cancelHelperRemoval){if(this.helper[0]!==this.currentItem[0]){this.helper.remove()};this.helper=null};if(!e){for(i=0;i<s.length;i++){s[i].call(this,t)};this._trigger("stop",t,this._uiHash())};this.fromOutside=!1;return!this.cancelHelperRemoval},_trigger:function(){if(t.Widget.prototype._trigger.apply(this,arguments)===!1){this.cancel()}},_uiHash:function(e){var i=e||this;return{helper:i.helper,placeholder:i.placeholder||t([]),position:i.position,originalPosition:i.originalPosition,offset:i.positionAbs,item:i.currentItem,sender:e?e.element:null}}})}));
/* ./modules/cms-ui/themes/default/script/plugin/jquery-plugin-orSearch.min.js */;jQuery.fn.orSearch=function(n){var a=$.extend({'dropdown':'unknown'},n);return $(this).keyup(function(){var n=$(this).val();if(n.length>3){$(a.dropdown).html('');$.ajax({'type':'GET',url:'./api/?action=search&subaction=quicksearch&output=json&search='+n,data:null,success:function(t,e,d){for(id in t.output.result){var n=t.output.result[id];$(a.dropdown).append('<div class="entry clickable" title="'+n.desc+'"><a href="javascript:void(0);" data-type="open" data-name="'+n.name+'" data-action="'+n.type+'" data-id="'+n.id+'"><img src="'+OR_THEMES_EXT_DIR+'default/images/icon_'+n.type+'.png" />'+n.name+'</a></div>')};$(a.dropdown).orLinkify()}});$(a.dropdown).fadeIn()}
else{$(a.dropdown).fadeOut()}})};
/* ./modules/cms-ui/themes/default/script/plugin/jquery-plugin-orLinkify.min.js */;jQuery.fn.orLinkify=function(){return $(this).click(function(){$(this).find('a').first().each(function(){var t=$(this).attr('data-type');if($(this).parent().hasClass('inactive'))return;if(t=='post'){submitLink(this,$(this).attr('data-data'))}
@@ -263,309 +293,9671 @@ else{};$.getJSON(i,function(a){$(t).append('<ul class="tree"/>');var r=$(t).chil
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/* ./modules/cms-ui/themes/default/script/jquery-qrcode.min.js *//*! jquery-qrcode v0.14.0 - https://larsjung.de/jquery-qrcode/ */
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-else if(t.left<a){i.scrollLeft=Math.max(0,t.left-(l?0:10))}
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-else{this.vert.style.display="";this.vert.firstChild.style.height="0"};if(i){this.horiz.style.display="block";this.horiz.style.right=r?t+"px":"0";this.horiz.style.left=e.barLeft+"px";var n=e.viewWidth-e.barLeft-(r?t:0);this.horiz.firstChild.style.width=Math.max(0,e.scrollWidth-e.clientWidth+n)+"px"}
-else{this.horiz.style.display="";this.horiz.firstChild.style.width="0"};if(!this.checkedZeroWidth&&e.clientHeight>0){if(t==0){this.zeroWidthHack()};this.checkedZeroWidth=!0};return{right:r?t:0,bottom:i?t:0}};ue.prototype.setScrollLeft=function(e){if(this.horiz.scrollLeft!=e){this.horiz.scrollLeft=e};if(this.disableHoriz){this.enableZeroWidthBar(this.horiz,this.disableHoriz,"horiz")}};ue.prototype.setScrollTop=function(e){if(this.vert.scrollTop!=e){this.vert.scrollTop=e};if(this.disableVert){this.enableZeroWidthBar(this.vert,this.disableVert,"vert")}};ue.prototype.zeroWidthHack=function(){var e=I&&!bl?"12px":"18px";this.horiz.style.height=this.vert.style.width=e;this.horiz.style.pointerEvents=this.vert.style.pointerEvents="none";this.disableHoriz=new ce;this.disableVert=new ce};ue.prototype.enableZeroWidthBar=function(e,t,i){e.style.pointerEvents="auto";function r(){var n=e.getBoundingClientRect(),o=i=="vert"?document.elementFromPoint(n.right-1,(n.top+n.bottom)/2):document.elementFromPoint((n.right+n.left)/2,n.bottom-1);if(o!=e){e.style.pointerEvents="none"}
-else{t.set(1000,r)}};t.set(1000,r)};ue.prototype.clear=function(){var e=this.horiz.parentNode;e.removeChild(this.horiz);e.removeChild(this.vert)};var it=function(){};it.prototype.update=function(){return{bottom:0,right:0}};it.prototype.setScrollLeft=function(){};it.prototype.setScrollTop=function(){};it.prototype.clear=function(){};function ze(e,t){if(!t){t=Tt(e)};var i=e.display.barWidth,n=e.display.barHeight;eo(e,t);for(var r=0;r<4&&i!=e.display.barWidth||n!=e.display.barHeight;r++){if(i!=e.display.barWidth&&e.options.lineWrapping){si(e)};eo(e,Tt(e));i=e.display.barWidth;n=e.display.barHeight}};function eo(e,t){var i=e.display,r=i.scrollbars.update(t);i.sizer.style.paddingRight=(i.barWidth=r.right)+"px";i.sizer.style.paddingBottom=(i.barHeight=r.bottom)+"px";i.heightForcer.style.borderBottom=r.bottom+"px solid transparent";if(r.right&&r.bottom){i.scrollbarFiller.style.display="block";i.scrollbarFiller.style.height=r.bottom+"px";i.scrollbarFiller.style.width=r.right+"px"}
-else{i.scrollbarFiller.style.display=""};if(r.bottom&&e.options.coverGutterNextToScrollbar&&e.options.fixedGutter){i.gutterFiller.style.display="block";i.gutterFiller.style.height=r.bottom+"px";i.gutterFiller.style.width=t.gutterWidth+"px"}
-else{i.gutterFiller.style.display=""}};var Ir={"native":ue,"null":it};function to(e){if(e.display.scrollbars){e.display.scrollbars.clear();if(e.display.scrollbars.addClass){de(e.display.wrapper,e.display.scrollbars.addClass)}};e.display.scrollbars=new Ir[e.options.scrollbarStyle](function(t){e.display.wrapper.insertBefore(t,e.display.scrollbarFiller);r(t,"mousedown",function(){if(e.state.focused){setTimeout(function(){return e.display.input.focus()},0)}});t.setAttribute("cm-not-content","true")},function(t,i){if(i=="horizontal"){ke(e,t)}
-else{kt(e,t)}},e);if(e.display.scrollbars.addClass){ge(e.display.wrapper,e.display.scrollbars.addClass)}};var ul=0;function Te(e){e.curOp={cm:e,viewChanged:!1,startHeight:e.doc.height,forceUpdate:!1,updateInput:null,typing:!1,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:!1,updateMaxLine:!1,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:!1,id:++ul};Jl(e.curOp)};function Me(e){var t=e.curOp;ts(t,function(e){for(var t=0;t<e.ops.length;t++){e.ops[t].cm.curOp=null};xs(e)})};function xs(e){var t=e.ops;for(var l=0;l<t.length;l++){Cs(t[l])};for(var o=0;o<t.length;o++){Ss(t[o])};for(var n=0;n<t.length;n++){Ls(t[n])};for(var r=0;r<t.length;r++){ks(t[r])};for(var i=0;i<t.length;i++){Ts(t[i])}};function Cs(e){var t=e.cm,i=t.display;Os(t);if(e.updateMaxLine){Ui(t)};e.mustUpdate=e.viewChanged||e.forceUpdate||e.scrollTop!=null||e.scrollToPos&&(e.scrollToPos.from.line<i.viewFrom||e.scrollToPos.to.line>=i.viewTo)||i.maxLineChanged&&t.options.lineWrapping;e.update=e.mustUpdate&&new Bt(t,e.mustUpdate&&{top:e.scrollTop,ensure:e.scrollToPos},e.forceUpdate)};function Ss(e){e.updatedDisplay=e.mustUpdate&&gr(e.cm,e.update)};function Ls(e){var t=e.cm,i=t.display;if(e.updatedDisplay){si(t)};e.barMeasure=Tt(t);if(i.maxLineChanged&&!t.options.lineWrapping){e.adjustWidthTo=Dn(t,i.maxLine,i.maxLine.text.length).left+3;t.display.sizerWidth=e.adjustWidthTo;e.barMeasure.scrollWidth=Math.max(i.scroller.clientWidth,i.sizer.offsetLeft+e.adjustWidthTo+K(t)+t.display.barWidth);e.maxScrollLeft=Math.max(0,i.sizer.offsetLeft+e.adjustWidthTo-xe(t))};if(e.updatedDisplay||e.selectionChanged){e.preparedSelection=i.input.prepareSelection()}};function ks(e){var t=e.cm;if(e.adjustWidthTo!=null){t.display.sizer.style.minWidth=e.adjustWidthTo+"px";if(e.maxScrollLeft<t.doc.scrollLeft){ke(t,Math.min(t.display.scroller.scrollLeft,e.maxScrollLeft),!0)};t.display.maxLineChanged=!1};var i=e.focus&&e.focus==Y();if(e.preparedSelection){t.display.input.showSelection(e.preparedSelection,i)};if(e.updatedDisplay||e.startHeight!=t.doc.height){ze(t,e.barMeasure)};if(e.updatedDisplay){yr(t,e.barMeasure)};if(e.selectionChanged){fr(t)};if(t.state.focused&&e.updateInput){t.display.input.reset(e.typing)};if(i){Xn(e.cm)}};function Ts(e){var t=e.cm,s=t.display,a=t.doc;if(e.updatedDisplay){ro(t,e.update)};if(s.wheelStartX!=null&&(e.scrollTop!=null||e.scrollLeft!=null||e.scrollToPos)){s.wheelStartX=s.wheelStartY=null};if(e.scrollTop!=null){Jn(t,e.scrollTop,e.forceScroll)};if(e.scrollLeft!=null){ke(t,e.scrollLeft,!0,!0)};if(e.scrollToPos){var u=ys(t,o(a,e.scrollToPos.from),o(a,e.scrollToPos.to),e.scrollToPos.margin);ms(t,u)};var n=e.maybeHiddenMarkers,l=e.maybeUnhiddenMarkers;if(n){for(var r=0;r<n.length;++r){if(!n[r].lines.length){p(n[r],"hide")}}};if(l){for(var i=0;i<l.length;++i){if(l[i].lines.length){p(l[i],"unhide")}}};if(s.wrapper.offsetHeight){a.scrollTop=t.display.scroller.scrollTop};if(e.changeObjs){p(t,"changes",t,e.changeObjs)};if(e.update){e.update.finish()}};function N(e,t){if(e.curOp){return t()};Te(e);try{return t()}finally{Me(e)}};function m(e,t){return function(){if(e.curOp){return t.apply(e,arguments)};Te(e);try{return t.apply(e,arguments)}finally{Me(e)}}};function L(e){return function(){if(this.curOp){return e.apply(this,arguments)};Te(this);try{return e.apply(this,arguments)}finally{Me(this)}}};function y(e){return function(){var t=this.cm;if(!t||t.curOp){return e.apply(this,arguments)};Te(t);try{return e.apply(this,arguments)}finally{Me(t)}}};function M(e,t,i,r){if(t==null){t=e.doc.first};if(i==null){i=e.doc.first+e.doc.size};if(!r){r=0};var n=e.display;if(r&&i<n.viewTo&&(n.updateLineNumbers==null||n.updateLineNumbers>t)){n.updateLineNumbers=t};e.curOp.viewChanged=!0;if(t>=n.viewTo){if(te&&Bi(e.doc,t)<n.viewTo){le(e)}}
-else if(i<=n.viewFrom){if(te&&fn(e.doc,i+r)>n.viewFrom){le(e)}
-else{n.viewFrom+=r;n.viewTo+=r}}
-else if(t<=n.viewFrom&&i>=n.viewTo){le(e)}
-else if(t<=n.viewFrom){var u=ui(e,i,i+r,1);if(u){n.view=n.view.slice(u.index);n.viewFrom=u.lineN;n.viewTo+=r}
-else{le(e)}}
-else if(i>=n.viewTo){var a=ui(e,t,t,-1);if(a){n.view=n.view.slice(0,a.index);n.viewTo=a.lineN}
-else{le(e)}}
-else{var l=ui(e,t,t,-1),s=ui(e,i,i+r,1);if(l&&s){n.view=n.view.slice(0,l.index).concat(ri(e,l.lineN,s.lineN)).concat(n.view.slice(s.index));n.viewTo+=r}
-else{le(e)}};var o=n.externalMeasured;if(o){if(i<o.lineN){o.lineN+=r}
-else if(t<o.lineN+o.size){n.externalMeasured=null}}};function oe(e,t,i){e.curOp.viewChanged=!0;var r=e.display,n=e.display.externalMeasured;if(n&&t>=n.lineN&&t<n.lineN+n.size){r.externalMeasured=null};if(t<r.viewFrom||t>=r.viewTo){return};var o=r.view[Le(e,t)];if(o.node==null){return};var l=o.changes||(o.changes=[]);if(b(l,i)==-1){l.push(i)}};function le(e){e.display.viewFrom=e.display.viewTo=e.doc.first;e.display.view=[];e.display.viewOffset=0};function ui(e,t,i,r){var n=Le(e,t),s,o=e.display.view;if(!te||i==e.doc.first+e.doc.size){return{index:n,lineN:i}};var l=e.display.viewFrom;for(var a=0;a<n;a++){l+=o[a].size};if(l!=t){if(r>0){if(n==o.length-1){return null};s=(l+o[n].size)-t;n++}
-else{s=l-t};t+=s;i+=s}
-while(Bi(e.doc,i)!=i){if(n==(r<0?0:o.length-1)){return null};i+=r*o[n-(r<0?1:0)].size;n+=r};return{index:n,lineN:i}};function Ms(e,t,i){var r=e.display,n=r.view;if(n.length==0||t>=r.viewTo||i<=r.viewFrom){r.view=ri(e,t,i);r.viewFrom=t}
-else{if(r.viewFrom>t){r.view=ri(e,t,r.viewFrom).concat(r.view)}
-else if(r.viewFrom<t){r.view=r.view.slice(Le(e,t))};r.viewFrom=t;if(r.viewTo<i){r.view=r.view.concat(ri(e,r.viewTo,i))}
-else if(r.viewTo>i){r.view=r.view.slice(0,Le(e,i))}};r.viewTo=i};function io(e){var r=e.display.view,n=0;for(var i=0;i<r.length;i++){var t=r[i];if(!t.hidden&&(!t.node||t.changes)){++n}};return n};function Mt(e,t){if(e.doc.highlightFrontier<e.display.viewTo){e.state.highlight.set(t,Ai(Ns,e))}};function Ns(e){var i=e.doc;if(i.highlightFrontier>=e.display.viewTo){return};var n=+new Date+e.options.workTime,t=mt(e,i.highlightFrontier),r=[];i.iter(t.line,Math.min(i.first+i.size,e.display.viewTo+500),function(o){if(t.line>=e.display.viewFrom){var u=o.styles,c=o.text.length>e.options.maxHighlightLength?we(i.mode,t.state):null,h=gn(e,o,t,!0);if(c){t.state=c};o.styles=h.styles;var s=o.styleClasses,l=h.classes;if(l){o.styleClasses=l}
-else if(s){o.styleClasses=null};var f=!u||u.length!=o.styles.length||s!=l&&(!s||!l||s.bgClass!=l.bgClass||s.textClass!=l.textClass);for(var a=0;!f&&a<u.length;++a){f=u[a]!=o.styles[a]};if(f){r.push(t.line)};o.stateAfter=t.save();t.nextLine()}
-else{if(o.text.length<=e.options.maxHighlightLength){qi(e,o.text,t)};o.stateAfter=t.line%5==0?t.save():null;t.nextLine()};if(+new Date>n){Mt(e,e.options.workDelay);return!0}});i.highlightFrontier=t.line;i.modeFrontier=Math.max(i.modeFrontier,t.line);if(r.length){N(e,function(){for(var t=0;t<r.length;t++){oe(e,r[t],"text")}})}};var Bt=function(e,t,i){var r=e.display;this.viewport=t;this.visible=hr(r,e.doc,t);this.editorIsHidden=!r.wrapper.offsetWidth;this.wrapperHeight=r.wrapper.clientHeight;this.wrapperWidth=r.wrapper.clientWidth;this.oldDisplayWidth=xe(e);this.force=i;this.dims=sr(e);this.events=[]};Bt.prototype.signal=function(e,t){if(F(e,t)){this.events.push(arguments)}};Bt.prototype.finish=function(){var t=this;for(var e=0;e<this.events.length;e++){p.apply(null,t.events[e])}};function Os(e){var t=e.display;if(!t.scrollbarsClipped&&t.scroller.offsetWidth){t.nativeBarWidth=t.scroller.offsetWidth-t.scroller.clientWidth;t.heightForcer.style.height=K(e)+"px";t.sizer.style.marginBottom=-t.nativeBarWidth+"px";t.sizer.style.borderRightWidth=K(e)+"px";t.scrollbarsClipped=!0}};function As(e){if(e.hasFocus()){return null};var r=Y();if(!r||!ne(e.display.lineDiv,r)){return null};var i={activeElt:r};if(window.getSelection){var t=window.getSelection();if(t.anchorNode&&t.extend&&ne(e.display.lineDiv,t.anchorNode)){i.anchorNode=t.anchorNode;i.anchorOffset=t.anchorOffset;i.focusNode=t.focusNode;i.focusOffset=t.focusOffset}};return i};function Ws(e){if(!e||!e.activeElt||e.activeElt==Y()){return};e.activeElt.focus();if(e.anchorNode&&ne(document.body,e.anchorNode)&&ne(document.body,e.focusNode)){var t=window.getSelection(),i=document.createRange();i.setEnd(e.anchorNode,e.anchorOffset);i.collapse(!1);t.removeAllRanges();t.addRange(i);t.extend(e.focusNode,e.focusOffset)}};function gr(e,i){var r=e.display,l=e.doc;if(i.editorIsHidden){le(e);return!1};if(!i.force&&i.visible.from>=r.viewFrom&&i.visible.to<=r.viewTo&&(r.updateLineNumbers==null||r.updateLineNumbers>=r.viewTo)&&r.renderedView==r.view&&io(e)==0){return!1};if(Zn(e)){le(e);i.dims=sr(e)};var u=l.first+l.size,n=Math.max(i.visible.from-e.options.viewportMargin,l.first),o=Math.min(u,i.visible.to+e.options.viewportMargin);if(r.viewFrom<n&&n-r.viewFrom<20){n=Math.max(l.first,r.viewFrom)};if(r.viewTo>o&&r.viewTo-o<20){o=Math.min(u,r.viewTo)};if(te){n=Bi(e.doc,n);o=fn(e.doc,o)};var a=n!=r.viewFrom||o!=r.viewTo||r.lastWrapHeight!=i.wrapperHeight||r.lastWrapWidth!=i.wrapperWidth;Ms(e,n,o);r.viewOffset=q(t(e.doc,r.viewFrom));e.display.mover.style.top=r.viewOffset+"px";var s=io(e);if(!a&&s==0&&!i.force&&r.renderedView==r.view&&(r.updateLineNumbers==null||r.updateLineNumbers>=r.viewTo)){return!1};var f=As(e);if(s>4){r.lineDiv.style.display="none"};Ds(e,r.updateLineNumbers,i.dims);if(s>4){r.lineDiv.style.display=""};r.renderedView=r.view;Ws(f);re(r.cursorDiv);re(r.selectionDiv);r.gutters.style.height=r.sizer.style.minHeight=0;if(a){r.lastWrapHeight=i.wrapperHeight;r.lastWrapWidth=i.wrapperWidth;Mt(e,400)};r.updateLineNumbers=null;return!0};function ro(e,t){var i=t.viewport;for(var n=!0;;n=!1){if(!n||!e.options.lineWrapping||t.oldDisplayWidth==xe(e)){if(i&&i.top!=null){i={top:Math.min(e.doc.height+Ji(e.display)-er(e),i.top)}};t.visible=hr(e.display,e.doc,i);if(t.visible.from>=e.display.viewFrom&&t.visible.to<=e.display.viewTo){break}};if(!gr(e,t)){break};si(e);var r=Tt(e);Ct(e);ze(e,r);yr(e,r);t.force=!1};t.signal(e,"update",e);if(e.display.viewFrom!=e.display.reportedViewFrom||e.display.viewTo!=e.display.reportedViewTo){t.signal(e,"viewportChange",e,e.display.viewFrom,e.display.viewTo);e.display.reportedViewFrom=e.display.viewFrom;e.display.reportedViewTo=e.display.viewTo}};function vr(e,t){var i=new Bt(e,t);if(gr(e,i)){si(e);ro(e,i);var r=Tt(e);Ct(e);ze(e,r);yr(e,r);i.finish()}};function Ds(e,t,i){var s=e.display,d=e.options.lineNumbers,a=s.lineDiv,n=a.firstChild;function c(t){var i=t.nextSibling;if(x&&I&&e.display.currentWheelTarget==t){t.style.display="none"}
-else{t.parentNode.removeChild(t)};return i};var f=s.view,o=s.viewFrom;for(var l=0;l<f.length;l++){var r=f[l];if(r.hidden){}
-else if(!r.node||r.node.parentNode!=a){var h=ls(e,r,o,i);a.insertBefore(h,n)}
-else{while(n!=r.node){n=c(n)};var u=d&&t!=null&&t<=o&&r.lineNumber;if(r.changes){if(b(r.changes,"gutter")>-1){u=!1};kn(e,r,o,i)};if(u){re(r.lineNumber);r.lineNumber.appendChild(document.createTextNode(Ei(e.options,o)))};n=r.node.nextSibling};o+=r.size}
-while(n){n=c(n)}};function mr(e){var t=e.display.gutters.offsetWidth;e.display.sizer.style.marginLeft=t+"px"};function yr(e,t){e.display.sizer.style.minHeight=t.docHeight+"px";e.display.heightForcer.style.top=t.docHeight+"px";e.display.gutters.style.height=(t.docHeight+e.display.barHeight+K(e))+"px"};function no(e){var r=e.display.gutters,l=e.options.gutters;re(r);var t=0;for(;t<l.length;++t){var n=l[t],o=r.appendChild(i("div",null,"CodeMirror-gutter "+n));if(n=="CodeMirror-linenumbers"){e.display.lineGutter=o;o.style.width=(e.display.lineNumWidth||1)+"px"}};r.style.display=t?"":"none";mr(e)};function br(e){var t=b(e.gutters,"CodeMirror-linenumbers");if(t==-1&&e.lineNumbers){e.gutters=e.gutters.concat(["CodeMirror-linenumbers"])}
-else if(t>-1&&!e.lineNumbers){e.gutters=e.gutters.slice(0);e.gutters.splice(t,1)}};var Rt=0,A=null;if(l){A=-.53}
-else if(ie){A=15}
-else if(Kt){A=-.7}
-else if(Yr){A=-1/3};function oo(e){var i=e.wheelDeltaX,t=e.wheelDeltaY;if(i==null&&e.detail&&e.axis==e.HORIZONTAL_AXIS){i=e.detail};if(t==null&&e.detail&&e.axis==e.VERTICAL_AXIS){t=e.detail}
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-else if(r=="line"){n=i>0?t.bottom+3:t.top-3};var o;for(;;){o=or(e,u,n);if(!o.outside){break};if(i<0?n<=0:n>=a.height){o.hitSide=!0;break};n+=i*5};return o};var f=function(e){this.cm=e;this.lastAnchorNode=this.lastAnchorOffset=this.lastFocusNode=this.lastFocusOffset=null;this.polling=new ce();this.composing=null;this.gracePeriod=!1;this.readDOMTimeout=null};f.prototype.init=function(e){var i=this,o=this,t=o.cm,n=o.div=e.lineDiv;tl(n,t.options.spellcheck);r(n,"paste",function(e){if(v(t,e)||Qo(e,t)){return};if(c<=11){setTimeout(m(t,function(){return i.updateFromDOM()}),20)}});r(n,"compositionstart",function(e){i.composing={data:e.data,done:!1}});r(n,"compositionupdate",function(e){if(!i.composing){i.composing={data:e.data,done:!1}}});r(n,"compositionend",function(e){if(i.composing){if(e.data!=i.composing.data){i.readFromDOMSoon()};i.composing.done=!0}});r(n,"touchstart",function(){return o.forceCompositionEnd()});r(n,"input",function(){if(!i.composing){i.readFromDOMSoon()}});function l(e){if(v(t,e)){return};if(t.somethingSelected()){mi({lineWise:!1,text:t.getSelections()});if(e.type=="cut"){t.replaceSelection("",null,"cut")}}
-else if(!t.options.lineWiseCopyCut){return}
-else{var a=el(t);mi({lineWise:!0,text:a.text});if(e.type=="cut"){t.operation(function(){t.setSelections(a.ranges,0,G);t.replaceSelection("",null,"cut")})}};if(e.clipboardData){e.clipboardData.clearData();var s=P.text.join("\n");e.clipboardData.setData("Text",s);if(e.clipboardData.getData("Text")==s){e.preventDefault();return}};var i=il(),l=i.firstChild;t.display.lineSpace.insertBefore(i,t.display.lineSpace.firstChild);l.value=P.text.join("\n");var r=document.activeElement;lt(l);setTimeout(function(){t.display.lineSpace.removeChild(i);r.focus();if(r==n){o.showPrimarySelection()}},50)};r(n,"copy",l);r(n,"cut",l)};f.prototype.prepareSelection=function(){var e=Vn(this.cm,!1);e.focus=this.cm.state.focused;return e};f.prototype.showSelection=function(e,t){if(!e||!this.cm.display.view.length){return};if(e.focus||t){this.showPrimarySelection()};this.showMultipleSelections(e)};f.prototype.showPrimarySelection=function(){var e=window.getSelection(),t=this.cm,g=t.doc.sel.primary(),c=g.from(),h=g.to();if(t.display.viewTo==t.display.viewFrom||c.line>=t.display.viewTo||h.line<t.display.viewFrom){e.removeAllRanges();return};var u=yi(t,e.anchorNode,e.anchorOffset),f=yi(t,e.focusNode,e.focusOffset);if(u&&!u.bad&&f&&!f.bad&&n(Zt(u,f),c)==0&&n(qt(u,f),h)==0){return};var d=t.display.view,s=(c.line>=t.display.viewFrom&&nl(t,c))||{node:d[0].measure.map[2],offset:0};var l=h.line<t.display.viewTo&&nl(t,h);if(!l){var a=d[d.length-1].measure,r=a.maps?a.maps[a.maps.length-1]:a.map;l={node:r[r.length-1],offset:r[r.length-2]-r[r.length-3]}};if(!s||!l){e.removeAllRanges();return};var p=e.rangeCount&&e.getRangeAt(0),o;try{o=he(s.node,s.offset,l.offset,l.node)}catch(i){};if(o){if(!ie&&t.state.focused){e.collapse(s.node,s.offset);if(!o.collapsed){e.removeAllRanges();e.addRange(o)}}
-else{e.removeAllRanges();e.addRange(o)};if(p&&e.anchorNode==null){e.addRange(p)}
-else if(ie){this.startGracePeriod()}};this.rememberSelection()};f.prototype.startGracePeriod=function(){var e=this;clearTimeout(this.gracePeriod);this.gracePeriod=setTimeout(function(){e.gracePeriod=!1;if(e.selectionChanged()){e.cm.operation(function(){return e.cm.curOp.selectionChanged=!0})}},20)};f.prototype.showMultipleSelections=function(e){W(this.cm.display.cursorDiv,e.cursors);W(this.cm.display.selectionDiv,e.selection)};f.prototype.rememberSelection=function(){var e=window.getSelection();this.lastAnchorNode=e.anchorNode;this.lastAnchorOffset=e.anchorOffset;this.lastFocusNode=e.focusNode;this.lastFocusOffset=e.focusOffset};f.prototype.selectionInEditor=function(){var e=window.getSelection();if(!e.rangeCount){return!1};var t=e.getRangeAt(0).commonAncestorContainer;return ne(this.div,t)};f.prototype.focus=function(){if(this.cm.options.readOnly!="nocursor"){if(!this.selectionInEditor()){this.showSelection(this.prepareSelection(),!0)};this.div.focus()}};f.prototype.blur=function(){this.div.blur()};f.prototype.getField=function(){return this.div};f.prototype.supportsTouch=function(){return!0};f.prototype.receivedFocus=function(){var e=this;if(this.selectionInEditor()){this.pollSelection()}
-else{N(this.cm,function(){return e.cm.curOp.selectionChanged=!0})};function t(){if(e.cm.state.focused){e.pollSelection();e.polling.set(e.cm.options.pollInterval,t)}};this.polling.set(this.cm.options.pollInterval,t)};f.prototype.selectionChanged=function(){var e=window.getSelection();return e.anchorNode!=this.lastAnchorNode||e.anchorOffset!=this.lastAnchorOffset||e.focusNode!=this.lastFocusNode||e.focusOffset!=this.lastFocusOffset};f.prototype.pollSelection=function(){if(this.readDOMTimeout!=null||this.gracePeriod||!this.selectionChanged()){return};var e=window.getSelection(),t=this.cm;if(Xt&&Kt&&this.cm.options.gutters.length&&xa(e.anchorNode)){this.cm.triggerOnKeyDown({type:"keydown",keyCode:8,preventDefault:Math.abs});this.blur();this.focus();return};if(this.composing){return};this.rememberSelection();var i=yi(t,e.anchorNode,e.anchorOffset),r=yi(t,e.focusNode,e.focusOffset);if(i&&r){N(t,function(){C(t.doc,se(i,r),G);if(i.bad||r.bad){t.curOp.selectionChanged=!0}})}};f.prototype.pollContent=function(){if(this.readDOMTimeout!=null){clearTimeout(this.readDOMTimeout);this.readDOMTimeout=null};var r=this.cm,o=r.display,k=r.doc.sel.primary(),f=k.from(),g=k.to();if(f.ch==0&&f.line>r.firstLine()){f=e(f.line-1,t(r.doc,f.line-1).length)};if(g.ch==t(r.doc,g.line).text.length&&g.line<r.lastLine()){g=e(g.line+1,0)};if(f.line<o.viewFrom||g.line>o.viewTo-1){return!1};var w,p,m;if(f.line==o.viewFrom||(w=Le(r,f.line))==0){p=u(o.view[0].line);m=o.view[0].node}
-else{p=u(o.view[w].line);m=o.view[w-1].node.nextSibling};var y=Le(r,g.line),d,b;if(y==o.view.length-1){d=o.viewTo-1;b=o.lineDiv.lastChild}
-else{d=u(o.view[y+1].line)-1;b=o.view[y+1].node.previousSibling};if(!m){return!1};var i=r.doc.splitLines(Ca(r,m,b,p,d)),s=me(r.doc,e(p,0),e(d,t(r.doc,d).text.length));while(i.length>1&&s.length>1){if(a(i)==a(s)){i.pop();s.pop();d--}
-else if(i[0]==s[0]){i.shift();s.shift();p++}
-else{break}};var l=0,c=0,S=i[0],L=s[0],M=Math.min(S.length,L.length);while(l<M&&S.charCodeAt(l)==L.charCodeAt(l)){++l};var h=a(i),v=a(s),T=Math.min(h.length-(i.length==1?l:0),v.length-(s.length==1?l:0));while(c<T&&h.charCodeAt(h.length-c-1)==v.charCodeAt(v.length-c-1)){++c};if(i.length==1&&s.length==1&&p==f.line){while(l&&l>f.ch&&h.charCodeAt(h.length-c-1)==v.charCodeAt(v.length-c-1)){l--;c++}};i[i.length-1]=h.slice(0,h.length-c).replace(/^\u200b+/,"");i[0]=i[0].slice(l).replace(/\u200b+$/,"");var x=e(p,l),C=e(d,s.length?a(s).length-c:0);if(i.length>1||i[0]||n(x,C)){Ue(r.doc,i,x,C,"+input");return!0}};f.prototype.ensurePolled=function(){this.forceCompositionEnd()};f.prototype.reset=function(){this.forceCompositionEnd()};f.prototype.forceCompositionEnd=function(){if(!this.composing){return};clearTimeout(this.readDOMTimeout);this.composing=null;this.updateFromDOM();this.div.blur();this.div.focus()};f.prototype.readFromDOMSoon=function(){var e=this;if(this.readDOMTimeout!=null){return};this.readDOMTimeout=setTimeout(function(){e.readDOMTimeout=null;if(e.composing){if(e.composing.done){e.composing=null}
-else{return}};e.updateFromDOM()},80)};f.prototype.updateFromDOM=function(){var e=this;if(this.cm.isReadOnly()||!this.pollContent()){N(this.cm,function(){return M(e.cm)})}};f.prototype.setUneditable=function(e){e.contentEditable="false"};f.prototype.onKeyPress=function(e){if(e.charCode==0){return};e.preventDefault();if(!this.cm.isReadOnly()){m(this.cm,Wr)(this.cm,String.fromCharCode(e.charCode==null?e.keyCode:e.charCode),0)}};f.prototype.readOnlyChanged=function(e){this.div.contentEditable=String(e!="nocursor")};f.prototype.onContextMenu=function(){};f.prototype.resetPosition=function(){};f.prototype.needsContentAttribute=!0;function nl(e,i){var n=tr(e,i.line);if(!n||n.hidden){return null};var o=t(e.doc,i.line),u=Wn(n,o,i.line),l=Z(o,e.doc.direction),s="left";if(l){var a=gt(l,i.ch);s=a%2?"right":"left"};var r=Hn(u.map,i.ch,s);r.offset=r.collapse=="right"?r.end:r.start;return r};function xa(e){for(var t=e;t;t=t.parentNode){if(/CodeMirror-gutter-wrapper/.test(t.className)){return!0}};return!1};function je(e,t){if(t){e.bad=!0};return e};function Ca(t,i,r,n,o){var l="",s=!1,u=t.doc.lineSeparator();function h(e){return function(t){return t.id==e}};function f(){if(s){l+=u;s=!1}};function a(e){if(e){f();l+=e}};function c(i){if(i.nodeType==1){var v=i.getAttribute("cm-text");if(v!=null){a(v||i.textContent.replace(/\u200b/g,""));return};var g=i.getAttribute("cm-marker"),l;if(g){var p=t.findMarks(e(n,0),e(o+1,0),h(+g));if(p.length&&(l=p[0].find(0))){a(me(t.doc,l.from,l.to).join(u))};return};if(i.getAttribute("contenteditable")=="false"){return};var d=/^(pre|div|p)$/i.test(i.nodeName);if(d){f()};for(var r=0;r<i.childNodes.length;r++){c(i.childNodes[r])};if(d){s=!0}}
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-else{v+=l.textContent.length}};for(var o=f.previousSibling,g=r;o;o=o.previousSibling){n=p(o,o.firstChild,-1);if(n){return je(e(n.line,n.ch+g),c)}
-else{g+=o.textContent.length}}};var g=function(e){this.cm=e;this.prevInput="";this.pollingFast=!1;this.polling=new ce();this.hasSelection=!1;this.composing=null};g.prototype.init=function(e){var o=this,i=this,t=this.cm,s=this.wrapper=il(),n=this.textarea=s.firstChild;e.wrapper.insertBefore(s,e.wrapper.firstChild);if(at){n.style.width="0px"};r(n,"input",function(){if(l&&c>=9&&o.hasSelection){o.hasSelection=null};i.poll()});r(n,"paste",function(e){if(v(t,e)||Qo(e,t)){return};t.state.pasteIncoming=!0;i.fastPoll()});function a(e){if(v(t,e)){return};if(t.somethingSelected()){mi({lineWise:!1,text:t.getSelections()})}
-else if(!t.options.lineWiseCopyCut){return}
-else{var r=el(t);mi({lineWise:!0,text:r.text});if(e.type=="cut"){t.setSelections(r.ranges,null,G)}
-else{i.prevInput="";n.value=r.text.join("\n");lt(n)}};if(e.type=="cut"){t.state.cutIncoming=!0}};r(n,"cut",a);r(n,"copy",a);r(e.scroller,"paste",function(r){if(Q(e,r)||v(t,r)){return};t.state.pasteIncoming=!0;i.focus()});r(e.lineSpace,"selectstart",function(t){if(!Q(e,t)){T(t)}});r(n,"compositionstart",function(){var e=t.getCursor("from");if(i.composing){i.composing.range.clear()};i.composing={start:e,range:t.markText(e,t.getCursor("to"),{className:"CodeMirror-composing"})}});r(n,"compositionend",function(){if(i.composing){i.poll();i.composing.range.clear();i.composing=null}})};g.prototype.prepareSelection=function(){var e=this.cm,t=e.display,l=e.doc,i=Vn(e);if(e.options.moveInputWithCursor){var r=z(e,l.sel.primary().head,"div"),n=t.wrapper.getBoundingClientRect(),o=t.lineDiv.getBoundingClientRect();i.teTop=Math.max(0,Math.min(t.wrapper.clientHeight-10,r.top+o.top-n.top));i.teLeft=Math.max(0,Math.min(t.wrapper.clientWidth-10,r.left+o.left-n.left))};return i};g.prototype.showSelection=function(e){var i=this.cm,t=i.display;W(t.cursorDiv,e.cursors);W(t.selectionDiv,e.selection);if(e.teTop!=null){this.wrapper.style.top=e.teTop+"px";this.wrapper.style.left=e.teLeft+"px"}};g.prototype.reset=function(e){if(this.contextMenuPending||this.composing){return};var t=this.cm;if(t.somethingSelected()){this.prevInput="";var i=t.getSelection();this.textarea.value=i;if(t.state.focused){lt(this.textarea)};if(l&&c>=9){this.hasSelection=i}}
-else if(!e){this.prevInput=this.textarea.value="";if(l&&c>=9){this.hasSelection=null}}};g.prototype.getField=function(){return this.textarea};g.prototype.supportsTouch=function(){return!1};g.prototype.focus=function(){if(this.cm.options.readOnly!="nocursor"&&(!ut||Y()!=this.textarea)){try{this.textarea.focus()}catch(e){}}};g.prototype.blur=function(){this.textarea.blur()};g.prototype.resetPosition=function(){this.wrapper.style.top=this.wrapper.style.left=0};g.prototype.receivedFocus=function(){this.slowPoll()};g.prototype.slowPoll=function(){var e=this;if(this.pollingFast){return};this.polling.set(this.cm.options.pollInterval,function(){e.poll();if(e.cm.state.focused){e.slowPoll()}})};g.prototype.fastPoll=function(){var t=!1,e=this;e.pollingFast=!0;function i(){var r=e.poll();if(!r&&!t){t=!0;e.polling.set(60,i)}
-else{e.pollingFast=!1;e.slowPoll()}};e.polling.set(20,i)};g.prototype.poll=function(){var i=this,e=this.cm,o=this.textarea,r=this.prevInput;if(this.contextMenuPending||!e.state.focused||(hl(o)&&!r&&!this.composing)||e.isReadOnly()||e.options.disableInput||e.state.keySeq){return!1};var t=o.value;if(t==r&&!e.somethingSelected()){return!1};if(l&&c>=9&&this.hasSelection===t||I&&/[\uf700-\uf7ff]/.test(t)){e.display.input.reset();return!1};if(e.doc.sel==e.display.selForContextMenu){var s=t.charCodeAt(0);if(s==0x200b&&!r){r="\u200b"};if(s==0x21da){this.reset();return this.cm.execCommand("undo")}};var n=0,a=Math.min(r.length,t.length);while(n<a&&r.charCodeAt(n)==t.charCodeAt(n)){++n};N(e,function(){Wr(e,t.slice(n),r.length-n,null,i.composing?"*compose":null);if(t.length>1000||t.indexOf("\n")>-1){o.value=i.prevInput=""}
-else{i.prevInput=t};if(i.composing){i.composing.range.clear();i.composing.range=e.markText(i.composing.start,e.getCursor("to"),{className:"CodeMirror-composing"})}});return!0};g.prototype.ensurePolled=function(){if(this.pollingFast&&this.poll()){this.pollingFast=!1}};g.prototype.onKeyPress=function(){if(l&&c>=9){this.hasSelection=null};this.fastPoll()};g.prototype.onContextMenu=function(e){var o=this,t=o.cm,i=t.display,n=o.textarea,s=Se(t,e),y=i.scroller.scrollTop;if(!s||E){return};var v=t.options.resetSelectionOnContextMenu;if(v&&t.doc.sel.contains(s)==-1){m(t,C)(t.doc,se(s),G)};var p=n.style.cssText,g=o.wrapper.style.cssText;o.wrapper.style.cssText="position: absolute";var f=o.wrapper.getBoundingClientRect();n.style.cssText="position: absolute; width: 30px; height: 30px;\n top: "+(e.clientY-f.top-5)+"px; left: "+(e.clientX-f.left-5)+"px;\n z-index: 1000; background: "+(l?"rgba(255, 255, 255, .05)":"transparent")+";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";var u;if(x){u=window.scrollY};i.input.focus();if(x){window.scrollTo(null,u)};i.input.reset();if(!t.somethingSelected()){n.value=o.prevInput=" "};o.contextMenuPending=!0;i.selForContextMenu=t.doc.sel;clearTimeout(i.detectingSelectAll);function h(){if(n.selectionStart!=null){var e=t.somethingSelected(),r="\u200b"+(e?n.value:"");n.value="\u21da";n.value=r;o.prevInput=e?"":"\u200b";n.selectionStart=1;n.selectionEnd=r.length;i.selForContextMenu=t.doc.sel}};function d(){o.contextMenuPending=!1;o.wrapper.style.cssText=g;n.style.cssText=p;if(l&&c<9){i.scrollbars.setScrollTop(i.scroller.scrollTop=y)};if(n.selectionStart!=null){if(!l||(l&&c<9)){h()};var r=0,e=function(){if(i.selForContextMenu==t.doc.sel&&n.selectionStart==0&&n.selectionEnd>0&&o.prevInput=="\u200b"){m(t,Lo)(t)}
-else if(r++<10){i.detectingSelectAll=setTimeout(e,500)}
-else{i.selForContextMenu=null;i.input.reset()}};i.detectingSelectAll=setTimeout(e,200)}};if(l&&c>=9){h()};if(Ni){vt(e);var a=function(){D(window,"mouseup",a);setTimeout(d,20)};r(window,"mouseup",a)}
-else{setTimeout(d,50)}};g.prototype.readOnlyChanged=function(e){if(!e){this.reset()};this.textarea.disabled=e=="nocursor"};g.prototype.setUneditable=function(){};g.prototype.needsContentAttribute=!1;function La(e,t){t=t?ve(t):{};t.value=e.value;if(!t.tabindex&&e.tabIndex){t.tabindex=e.tabIndex};if(!t.placeholder&&e.placeholder){t.placeholder=e.placeholder};if(t.autofocus==null){var a=Y();t.autofocus=a==e||e.getAttribute("autofocus")!=null&&a==document.body};function o(){e.value=s.getValue()};var l;if(e.form){r(e.form,"submit",o);if(!t.leaveSubmitMethodAlone){var n=e.form;l=n.submit;try{var u=n.submit=function(){o();n.submit=l;n.submit();n.submit=u}}catch(i){}}};t.finishInit=function(t){t.save=o;t.getTextArea=function(){return e};t.toTextArea=function(){t.toTextArea=isNaN;o();e.parentNode.removeChild(t.getWrapperElement());e.style.display="";if(e.form){D(e.form,"submit",o);if(typeof e.form.submit=="function"){e.form.submit=l}}}};e.style.display="none";var s=h(function(t){return e.parentNode.insertBefore(t,e.nextSibling)},t);return s};function ka(t){t.off=D;t.on=r;t.wheelEventPixels=Hs;t.Doc=k;t.splitLines=Si;t.countColumn=H;t.findColumn=Wi;t.isWordChar=Hi;t.Pass=Vt;t.signal=p;t.Line=We;t.changeEnd=ae;t.scrollbarModel=Ir;t.Pos=e;t.cmpPos=n;t.modes=Ci;t.mimeModes=He;t.resolveMode=ii;t.getMode=ji;t.modeExtensions=De;t.extendMode=Gl;t.copyState=we;t.startState=pn;t.innerMode=Yi;t.commands=Ze;t.keyMap=j;t.keyName=Io;t.isModifierKey=Po;t.lookupKey=Ke;t.normalizeKeyMap=ia;t.StringStream=d;t.SharedTextMarker=et;t.TextMarker=ee;t.LineWidget=tt;t.e_preventDefault=T;t.e_stopPropagation=hn;t.e_stop=vt;t.addClass=ge;t.contains=ne;t.rmClass=de;t.keyNames=J};va(h);wa(h);var ol="iter insert remove copy getEditor constructor".split(" ");for(var Et in k.prototype){if(k.prototype.hasOwnProperty(Et)&&b(ol,Et)<0){h.prototype[Et]=(function(e){return function(){return e.apply(this.doc,arguments)}})(k.prototype[Et])}};Pe(k);h.inputStyles={"textarea":g,"contenteditable":f};h.defineMode=function(e){if(!h.defaults.mode&&e!="null"){h.defaults.mode=e};Rl.apply(this,arguments)};h.defineMIME=Bl;h.defineMode("null",function(){return({token:function(e){return e.skipToEnd()}})});h.defineMIME("text/plain","null");h.defineExtension=function(e,t){h.prototype[e]=t};h.defineDocExtension=function(e,t){k.prototype[e]=t};h.fromTextArea=La;ka(h);h.version="5.32.0";return h})));
+/* ./modules/cms-ui/themes/default/script/svg-injector.min.js */(function(e,r){'use strict';var p=e.location.protocol==='file:',h=r.implementation.hasFeature('http://www.w3.org/TR/SVG11/feature#BasicStructure','1.1');function g(e){e=e.split(' ');var n={};var t=e.length,r=[];while(t--){if(!n.hasOwnProperty(e[t])){n[e[t]]=1;r.unshift(e[t])}};return r.join(' ')};var o=Array.prototype.forEach||function(e,t){if(this===void 0||this===null||typeof e!=='function'){throw new TypeError()};var r,n=this.length>>>0;for(r=0;r<n;++r){if(r in this){e.call(t,this[r],r,this)}}},t={};var f=0,i=[],n=[],c={};var l=function(e){return e.cloneNode(!0)},s=function(e,t){n[e]=n[e]||[];n[e].push(t)},d=function(e){for(var r=0,i=n[e].length;r<i;r++){(function(r){setTimeout(function(){n[e][r](l(t[e]))},0)})(r)}},v=function(r,i){if(t[r]!==undefined){if(t[r]instanceof SVGSVGElement){i(l(t[r]))}
+else{s(r,i)}}
+else{if(!e.XMLHttpRequest){i('Browser does not support XMLHttpRequest');return!1};t[r]={};s(r,i);var n=new XMLHttpRequest();n.onreadystatechange=function(){if(n.readyState===4){if(n.status===404||n.responseXML===null){i('Unable to load SVG file: '+r);if(p)i('Note: SVG injection ajax calls do not work locally without adjusting security setting in your browser. Or consider using a local webserver.');i();return!1};if(n.status===200||(p&&n.status===0)){if(n.responseXML instanceof Document){t[r]=n.responseXML.documentElement}
+else if(DOMParser&&(DOMParser instanceof Function)){var e;try{var o=new DOMParser();e=o.parseFromString(n.responseText,'text/xml')}catch(a){e=undefined};if(!e||e.getElementsByTagName('parsererror').length){i('Unable to parse SVG file: '+r);return!1}
+else{t[r]=e.documentElement}};d(r)}
+else{i('There was a problem injecting the SVG: '+n.status+' '+n.statusText);return!1}}};n.open('GET',r);if(n.overrideMimeType)n.overrideMimeType('text/xml');n.send()}},u=function(t,r,l,n){var a=t.getAttribute('data-src')||t.getAttribute('src');if(!(/\.svg/i).test(a)){n('Attempted to inject a file with a non-svg extension: '+a);return};if(!h){var s=t.getAttribute('data-fallback')||t.getAttribute('data-png');if(s){t.setAttribute('src',s);n(null)}
+else if(l){t.setAttribute('src',l+'/'+a.split('/').pop().replace('.svg','.png'));n(null)}
+else{n('This browser does not support SVG and no PNG fallback was defined.')};return};if(i.indexOf(t)!==-1){return};i.push(t);t.setAttribute('src','');v(a,function(l){if(typeof l==='undefined'||typeof l==='string'){n(l);return!1};var j=t.getAttribute('id');if(j){l.setAttribute('id',j)};var k=t.getAttribute('title');if(k){l.setAttribute('title',k)};var E=[].concat(l.getAttribute('class')||[],'injected-svg',t.getAttribute('class')||[]).join(' ');l.setAttribute('class',g(E));var x=t.getAttribute('style');if(x){l.setAttribute('style',x)};var V=[].filter.call(t.attributes,function(e){return(/^data-\w[\w\-]*$/).test(e.name)});o.call(V,function(e){if(e.name&&e.value){l.setAttribute(e.name,e.value)}});var S={'clipPath':['clip-path'],'color-profile':['color-profile'],'cursor':['cursor'],'filter':['filter'],'linearGradient':['fill','stroke'],'marker':['marker','marker-start','marker-mid','marker-end'],'mask':['mask'],'pattern':['fill','stroke'],'radialGradient':['fill','stroke']};var A,v,w,m,b;Object.keys(S).forEach(function(e){A=e;w=S[e];v=l.querySelectorAll('defs '+A+'[id]');for(var t=0,n=v.length;t<n;t++){m=v[t].id;b=m+'-'+f;var r;o.call(w,function(e){r=l.querySelectorAll('['+e+'*="'+m+'"]');for(var t=0,n=r.length;t<n;t++){r[t].setAttribute(e,'url(#'+b+')')}});v[t].id=b}});l.removeAttribute('xmlns:a');var u=l.querySelectorAll('script'),p=[],y,d;for(var s=0,M=u.length;s<M;s++){d=u[s].getAttribute('type');if(!d||d==='application/ecmascript'||d==='application/javascript'){y=u[s].innerText||u[s].textContent;p.push(y);l.removeChild(u[s])}};if(p.length>0&&(r==='always'||(r==='once'&&!c[a]))){for(var h=0,T=p.length;h<T;h++){new Function(p[h])(e)};c[a]=!0};var G=l.querySelectorAll('style');o.call(G,function(e){e.textContent+=''});t.parentNode.replaceChild(l,t);delete i[i.indexOf(t)];t=null;f++;n(l)})},a=function(e,t,r){t=t||{};var a=t.evalScripts||'always',l=t.pngFallback||!1,n=t.each;if(e.length!==undefined){var i=0;o.call(e,function(t){u(t,a,l,function(t){if(n&&typeof n==='function')n(t);if(r&&e.length===++i)r(i)})})}
+else{if(e){u(e,a,l,function(t){if(n&&typeof n==='function')n(t);if(r)r(1);e=null})}
+else{if(r)r(0)}}};if(typeof module==='object'&&typeof module.exports==='object'){module.exports=exports=a}
+else if(typeof define==='function'&&define.amd){define(function(){return a})}
+else if(typeof e==='object'){e.SVGInjector=a}}(window,document));
+/* ./modules/editor/codemirror/lib/codemirror.min.js */// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+// This is CodeMirror (http://codemirror.net), a code editor
+// implemented in JavaScript on top of the browser's DOM.
+//
+// You can find some technical background for some of the code below
+// at http://marijnhaverbeke.nl/blog/#cm-internals .
+
+(function (global, factory) {
+ typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+ typeof define === 'function' && define.amd ? define(factory) :
+ (global.CodeMirror = factory());
+}(this, (function () { 'use strict';
+
+// Kludges for bugs and behavior differences that can't be feature
+// detected are enabled based on userAgent etc sniffing.
+ var userAgent = navigator.userAgent
+ var platform = navigator.platform
+
+ var gecko = /gecko\/\d/i.test(userAgent)
+ var ie_upto10 = /MSIE \d/.test(userAgent)
+ var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent)
+ var edge = /Edge\/(\d+)/.exec(userAgent)
+ var ie = ie_upto10 || ie_11up || edge
+ var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1])
+ var webkit = !edge && /WebKit\//.test(userAgent)
+ var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent)
+ var chrome = !edge && /Chrome\//.test(userAgent)
+ var presto = /Opera\//.test(userAgent)
+ var safari = /Apple Computer/.test(navigator.vendor)
+ var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent)
+ var phantom = /PhantomJS/.test(userAgent)
+
+ var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent)
+ var android = /Android/.test(userAgent)
+// This is woefully incomplete. Suggestions for alternative methods welcome.
+ var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent)
+ var mac = ios || /Mac/.test(platform)
+ var chromeOS = /\bCrOS\b/.test(userAgent)
+ var windows = /win/i.test(platform)
+
+ var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/)
+ if (presto_version) { presto_version = Number(presto_version[1]) }
+ if (presto_version && presto_version >= 15) { presto = false; webkit = true }
+// Some browsers use the wrong event properties to signal cmd/ctrl on OS X
+ var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11))
+ var captureRightClick = gecko || (ie && ie_version >= 9)
+
+ function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }
+
+ var rmClass = function(node, cls) {
+ var current = node.className
+ var match = classTest(cls).exec(current)
+ if (match) {
+ var after = current.slice(match.index + match[0].length)
+ node.className = current.slice(0, match.index) + (after ? match[1] + after : "")
+ }
+ }
+
+ function removeChildren(e) {
+ for (var count = e.childNodes.length; count > 0; --count)
+ { e.removeChild(e.firstChild) }
+ return e
+ }
+
+ function removeChildrenAndAdd(parent, e) {
+ return removeChildren(parent).appendChild(e)
+ }
+
+ function elt(tag, content, className, style) {
+ var e = document.createElement(tag)
+ if (className) { e.className = className }
+ if (style) { e.style.cssText = style }
+ if (typeof content == "string") { e.appendChild(document.createTextNode(content)) }
+ else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]) } }
+ return e
+ }
+// wrapper for elt, which removes the elt from the accessibility tree
+ function eltP(tag, content, className, style) {
+ var e = elt(tag, content, className, style)
+ e.setAttribute("role", "presentation")
+ return e
+ }
+
+ var range
+ if (document.createRange) { range = function(node, start, end, endNode) {
+ var r = document.createRange()
+ r.setEnd(endNode || node, end)
+ r.setStart(node, start)
+ return r
+ } }
+ else { range = function(node, start, end) {
+ var r = document.body.createTextRange()
+ try { r.moveToElementText(node.parentNode) }
+ catch(e) { return r }
+ r.collapse(true)
+ r.moveEnd("character", end)
+ r.moveStart("character", start)
+ return r
+ } }
+
+ function contains(parent, child) {
+ if (child.nodeType == 3) // Android browser always returns false when child is a textnode
+ { child = child.parentNode }
+ if (parent.contains)
+ { return parent.contains(child) }
+ do {
+ if (child.nodeType == 11) { child = child.host }
+ if (child == parent) { return true }
+ } while (child = child.parentNode)
+ }
+
+ function activeElt() {
+ // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
+ // IE < 10 will throw when accessed while the page is loading or in an iframe.
+ // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
+ var activeElement
+ try {
+ activeElement = document.activeElement
+ } catch(e) {
+ activeElement = document.body || null
+ }
+ while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
+ { activeElement = activeElement.shadowRoot.activeElement }
+ return activeElement
+ }
+
+ function addClass(node, cls) {
+ var current = node.className
+ if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls }
+ }
+ function joinClasses(a, b) {
+ var as = a.split(" ")
+ for (var i = 0; i < as.length; i++)
+ { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i] } }
+ return b
+ }
+
+ var selectInput = function(node) { node.select() }
+ if (ios) // Mobile Safari apparently has a bug where select() is broken.
+ { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length } }
+ else if (ie) // Suppress mysterious IE10 errors
+ { selectInput = function(node) { try { node.select() } catch(_e) {} } }
+
+ function bind(f) {
+ var args = Array.prototype.slice.call(arguments, 1)
+ return function(){return f.apply(null, args)}
+ }
+
+ function copyObj(obj, target, overwrite) {
+ if (!target) { target = {} }
+ for (var prop in obj)
+ { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
+ { target[prop] = obj[prop] } }
+ return target
+ }
+
+// Counts the column offset in a string, taking tabs into account.
+// Used mostly to find indentation.
+ function countColumn(string, end, tabSize, startIndex, startValue) {
+ if (end == null) {
+ end = string.search(/[^\s\u00a0]/)
+ if (end == -1) { end = string.length }
+ }
+ for (var i = startIndex || 0, n = startValue || 0;;) {
+ var nextTab = string.indexOf("\t", i)
+ if (nextTab < 0 || nextTab >= end)
+ { return n + (end - i) }
+ n += nextTab - i
+ n += tabSize - (n % tabSize)
+ i = nextTab + 1
+ }
+ }
+
+ var Delayed = function() {this.id = null};
+ Delayed.prototype.set = function (ms, f) {
+ clearTimeout(this.id)
+ this.id = setTimeout(f, ms)
+ };
+
+ function indexOf(array, elt) {
+ for (var i = 0; i < array.length; ++i)
+ { if (array[i] == elt) { return i } }
+ return -1
+ }
+
+// Number of pixels added to scroller and sizer to hide scrollbar
+ var scrollerGap = 30
+
+// Returned or thrown by various protocols to signal 'I'm not
+// handling this'.
+ var Pass = {toString: function(){return "CodeMirror.Pass"}}
+
+// Reused option objects for setSelection & friends
+ var sel_dontScroll = {scroll: false};
+ var sel_mouse = {origin: "*mouse"};
+ var sel_move = {origin: "+move"};
+// The inverse of countColumn -- find the offset that corresponds to
+// a particular column.
+ function findColumn(string, goal, tabSize) {
+ for (var pos = 0, col = 0;;) {
+ var nextTab = string.indexOf("\t", pos)
+ if (nextTab == -1) { nextTab = string.length }
+ var skipped = nextTab - pos
+ if (nextTab == string.length || col + skipped >= goal)
+ { return pos + Math.min(skipped, goal - col) }
+ col += nextTab - pos
+ col += tabSize - (col % tabSize)
+ pos = nextTab + 1
+ if (col >= goal) { return pos }
+ }
+ }
+
+ var spaceStrs = [""]
+ function spaceStr(n) {
+ while (spaceStrs.length <= n)
+ { spaceStrs.push(lst(spaceStrs) + " ") }
+ return spaceStrs[n]
+ }
+
+ function lst(arr) { return arr[arr.length-1] }
+
+ function map(array, f) {
+ var out = []
+ for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i) }
+ return out
+ }
+
+ function insertSorted(array, value, score) {
+ var pos = 0, priority = score(value)
+ while (pos < array.length && score(array[pos]) <= priority) { pos++ }
+ array.splice(pos, 0, value)
+ }
+
+ function nothing() {}
+
+ function createObj(base, props) {
+ var inst
+ if (Object.create) {
+ inst = Object.create(base)
+ } else {
+ nothing.prototype = base
+ inst = new nothing()
+ }
+ if (props) { copyObj(props, inst) }
+ return inst
+ }
+
+ var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/
+ function isWordCharBasic(ch) {
+ return /\w/.test(ch) || ch > "\x80" &&
+ (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
+ }
+ function isWordChar(ch, helper) {
+ if (!helper) { return isWordCharBasic(ch) }
+ if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
+ return helper.test(ch)
+ }
+
+ function isEmpty(obj) {
+ for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
+ return true
+ }
+
+// Extending unicode characters. A series of a non-extending char +
+// any number of extending chars is treated as a single unit as far
+// as editing and measuring is concerned. This is not fully correct,
+// since some scripts/fonts/browsers also treat other configurations
+// of code points as a group.
+ var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/
+ function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }
+
+// Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
+ function skipExtendingChars(str, pos, dir) {
+ while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir }
+ return pos
+ }
+
+// Returns the value from the range [`from`; `to`] that satisfies
+// `pred` and is closest to `from`. Assumes that at least `to`
+// satisfies `pred`. Supports `from` being greater than `to`.
+ function findFirst(pred, from, to) {
+ // At any point we are certain `to` satisfies `pred`, don't know
+ // whether `from` does.
+ var dir = from > to ? -1 : 1
+ for (;;) {
+ if (from == to) { return from }
+ var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF)
+ if (mid == from) { return pred(mid) ? from : to }
+ if (pred(mid)) { to = mid }
+ else { from = mid + dir }
+ }
+ }
+
+// The display handles the DOM integration, both for input reading
+// and content drawing. It holds references to DOM nodes and
+// display-related state.
+
+ function Display(place, doc, input) {
+ var d = this
+ this.input = input
+
+ // Covers bottom-right square when both scrollbars are present.
+ d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler")
+ d.scrollbarFiller.setAttribute("cm-not-content", "true")
+ // Covers bottom of gutter when coverGutterNextToScrollbar is on
+ // and h scrollbar is present.
+ d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler")
+ d.gutterFiller.setAttribute("cm-not-content", "true")
+ // Will contain the actual code, positioned to cover the viewport.
+ d.lineDiv = eltP("div", null, "CodeMirror-code")
+ // Elements are added to these to represent selection and cursors.
+ d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1")
+ d.cursorDiv = elt("div", null, "CodeMirror-cursors")
+ // A visibility: hidden element used to find the size of things.
+ d.measure = elt("div", null, "CodeMirror-measure")
+ // When lines outside of the viewport are measured, they are drawn in this.
+ d.lineMeasure = elt("div", null, "CodeMirror-measure")
+ // Wraps everything that needs to exist inside the vertically-padded coordinate system
+ d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
+ null, "position: relative; outline: none")
+ var lines = eltP("div", [d.lineSpace], "CodeMirror-lines")
+ // Moved around its parent to cover visible view.
+ d.mover = elt("div", [lines], null, "position: relative")
+ // Set to the height of the document, allowing scrolling.
+ d.sizer = elt("div", [d.mover], "CodeMirror-sizer")
+ d.sizerWidth = null
+ // Behavior of elts with overflow: auto and padding is
+ // inconsistent across browsers. This is used to ensure the
+ // scrollable area is big enough.
+ d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;")
+ // Will contain the gutters, if any.
+ d.gutters = elt("div", null, "CodeMirror-gutters")
+ d.lineGutter = null
+ // Actual scrollable element.
+ d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll")
+ d.scroller.setAttribute("tabIndex", "-1")
+ // The element in which the editor lives.
+ d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror")
+
+ // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
+ if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0 }
+ if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true }
+
+ if (place) {
+ if (place.appendChild) { place.appendChild(d.wrapper) }
+ else { place(d.wrapper) }
+ }
+
+ // Current rendered range (may be bigger than the view window).
+ d.viewFrom = d.viewTo = doc.first
+ d.reportedViewFrom = d.reportedViewTo = doc.first
+ // Information about the rendered lines.
+ d.view = []
+ d.renderedView = null
+ // Holds info about a single rendered line when it was rendered
+ // for measurement, while not in view.
+ d.externalMeasured = null
+ // Empty space (in pixels) above the view
+ d.viewOffset = 0
+ d.lastWrapHeight = d.lastWrapWidth = 0
+ d.updateLineNumbers = null
+
+ d.nativeBarWidth = d.barHeight = d.barWidth = 0
+ d.scrollbarsClipped = false
+
+ // Used to only resize the line number gutter when necessary (when
+ // the amount of lines crosses a boundary that makes its width change)
+ d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null
+ // Set to true when a non-horizontal-scrolling line widget is
+ // added. As an optimization, line widget aligning is skipped when
+ // this is false.
+ d.alignWidgets = false
+
+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null
+
+ // Tracks the maximum line length so that the horizontal scrollbar
+ // can be kept static when scrolling.
+ d.maxLine = null
+ d.maxLineLength = 0
+ d.maxLineChanged = false
+
+ // Used for measuring wheel scrolling granularity
+ d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null
+
+ // True when shift is held down.
+ d.shift = false
+
+ // Used to track whether anything happened since the context menu
+ // was opened.
+ d.selForContextMenu = null
+
+ d.activeTouch = null
+
+ input.init(d)
+ }
+
+// Find the line object corresponding to the given line number.
+ function getLine(doc, n) {
+ n -= doc.first
+ if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
+ var chunk = doc
+ while (!chunk.lines) {
+ for (var i = 0;; ++i) {
+ var child = chunk.children[i], sz = child.chunkSize()
+ if (n < sz) { chunk = child; break }
+ n -= sz
+ }
+ }
+ return chunk.lines[n]
+ }
+
+// Get the part of a document between two positions, as an array of
+// strings.
+ function getBetween(doc, start, end) {
+ var out = [], n = start.line
+ doc.iter(start.line, end.line + 1, function (line) {
+ var text = line.text
+ if (n == end.line) { text = text.slice(0, end.ch) }
+ if (n == start.line) { text = text.slice(start.ch) }
+ out.push(text)
+ ++n
+ })
+ return out
+ }
+// Get the lines between from and to, as array of strings.
+ function getLines(doc, from, to) {
+ var out = []
+ doc.iter(from, to, function (line) { out.push(line.text) }) // iter aborts when callback returns truthy value
+ return out
+ }
+
+// Update the height of a line, propagating the height change
+// upwards to parent nodes.
+ function updateLineHeight(line, height) {
+ var diff = height - line.height
+ if (diff) { for (var n = line; n; n = n.parent) { n.height += diff } }
+ }
+
+// Given a line object, find its line number by walking up through
+// its parent links.
+ function lineNo(line) {
+ if (line.parent == null) { return null }
+ var cur = line.parent, no = indexOf(cur.lines, line)
+ for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
+ for (var i = 0;; ++i) {
+ if (chunk.children[i] == cur) { break }
+ no += chunk.children[i].chunkSize()
+ }
+ }
+ return no + cur.first
+ }
+
+// Find the line at the given vertical position, using the height
+// information in the document tree.
+ function lineAtHeight(chunk, h) {
+ var n = chunk.first
+ outer: do {
+ for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
+ var child = chunk.children[i$1], ch = child.height
+ if (h < ch) { chunk = child; continue outer }
+ h -= ch
+ n += child.chunkSize()
+ }
+ return n
+ } while (!chunk.lines)
+ var i = 0
+ for (; i < chunk.lines.length; ++i) {
+ var line = chunk.lines[i], lh = line.height
+ if (h < lh) { break }
+ h -= lh
+ }
+ return n + i
+ }
+
+ function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}
+
+ function lineNumberFor(options, i) {
+ return String(options.lineNumberFormatter(i + options.firstLineNumber))
+ }
+
+// A Pos instance represents a position within the text.
+ function Pos(line, ch, sticky) {
+ if ( sticky === void 0 ) sticky = null;
+
+ if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
+ this.line = line
+ this.ch = ch
+ this.sticky = sticky
+ }
+
+// Compare two positions, return 0 if they are the same, a negative
+// number when a is less, and a positive number otherwise.
+ function cmp(a, b) { return a.line - b.line || a.ch - b.ch }
+
+ function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }
+
+ function copyPos(x) {return Pos(x.line, x.ch)}
+ function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
+ function minPos(a, b) { return cmp(a, b) < 0 ? a : b }
+
+// Most of the external API clips given positions to make sure they
+// actually exist within the document.
+ function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
+ function clipPos(doc, pos) {
+ if (pos.line < doc.first) { return Pos(doc.first, 0) }
+ var last = doc.first + doc.size - 1
+ if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
+ return clipToLen(pos, getLine(doc, pos.line).text.length)
+ }
+ function clipToLen(pos, linelen) {
+ var ch = pos.ch
+ if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
+ else if (ch < 0) { return Pos(pos.line, 0) }
+ else { return pos }
+ }
+ function clipPosArray(doc, array) {
+ var out = []
+ for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]) }
+ return out
+ }
+
+// Optimize some code when these features are not used.
+ var sawReadOnlySpans = false;
+ var sawCollapsedSpans = false;
+ function seeReadOnlySpans() {
+ sawReadOnlySpans = true
+ }
+
+ function seeCollapsedSpans() {
+ sawCollapsedSpans = true
+ }
+
+// TEXTMARKER SPANS
+
+ function MarkedSpan(marker, from, to) {
+ this.marker = marker
+ this.from = from; this.to = to
+ }
+
+// Search an array of spans for a span matching the given marker.
+ function getMarkedSpanFor(spans, marker) {
+ if (spans) { for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i]
+ if (span.marker == marker) { return span }
+ } }
+ }
+// Remove a span from an array, returning undefined if no spans are
+// left (we don't store arrays for lines without spans).
+ function removeMarkedSpan(spans, span) {
+ var r
+ for (var i = 0; i < spans.length; ++i)
+ { if (spans[i] != span) { (r || (r = [])).push(spans[i]) } }
+ return r
+ }
+// Add a span to a line.
+ function addMarkedSpan(line, span) {
+ line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]
+ span.marker.attachLine(line)
+ }
+
+// Used for the algorithm that adjusts markers for a change in the
+// document. These functions cut an array of spans at a given
+// character position, returning an array of remaining chunks (or
+// undefined if nothing remains).
+ function markedSpansBefore(old, startCh, isInsert) {
+ var nw
+ if (old) { for (var i = 0; i < old.length; ++i) {
+ var span = old[i], marker = span.marker
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh)
+ if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh)
+ ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to))
+ }
+ } }
+ return nw
+ }
+ function markedSpansAfter(old, endCh, isInsert) {
+ var nw
+ if (old) { for (var i = 0; i < old.length; ++i) {
+ var span = old[i], marker = span.marker
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh)
+ if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh)
+ ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
+ span.to == null ? null : span.to - endCh))
+ }
+ } }
+ return nw
+ }
+
+// Given a change object, compute the new set of marker spans that
+// cover the line in which the change took place. Removes spans
+// entirely within the change, reconnects spans belonging to the
+// same marker that appear on both sides of the change, and cuts off
+// spans partially within the change. Returns an array of span
+// arrays with one element for each line in (after) the change.
+ function stretchSpansOverChange(doc, change) {
+ if (change.full) { return null }
+ var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans
+ var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans
+ if (!oldFirst && !oldLast) { return null }
+
+ var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0
+ // Get the spans that 'stick out' on both sides
+ var first = markedSpansBefore(oldFirst, startCh, isInsert)
+ var last = markedSpansAfter(oldLast, endCh, isInsert)
+
+ // Next, merge those two ends
+ var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0)
+ if (first) {
+ // Fix up .to properties of first
+ for (var i = 0; i < first.length; ++i) {
+ var span = first[i]
+ if (span.to == null) {
+ var found = getMarkedSpanFor(last, span.marker)
+ if (!found) { span.to = startCh }
+ else if (sameLine) { span.to = found.to == null ? null : found.to + offset }
+ }
+ }
+ }
+ if (last) {
+ // Fix up .from in last (or move them into first in case of sameLine)
+ for (var i$1 = 0; i$1 < last.length; ++i$1) {
+ var span$1 = last[i$1]
+ if (span$1.to != null) { span$1.to += offset }
+ if (span$1.from == null) {
+ var found$1 = getMarkedSpanFor(first, span$1.marker)
+ if (!found$1) {
+ span$1.from = offset
+ if (sameLine) { (first || (first = [])).push(span$1) }
+ }
+ } else {
+ span$1.from += offset
+ if (sameLine) { (first || (first = [])).push(span$1) }
+ }
+ }
+ }
+ // Make sure we didn't create any zero-length spans
+ if (first) { first = clearEmptySpans(first) }
+ if (last && last != first) { last = clearEmptySpans(last) }
+
+ var newMarkers = [first]
+ if (!sameLine) {
+ // Fill gap with whole-line-spans
+ var gap = change.text.length - 2, gapMarkers
+ if (gap > 0 && first)
+ { for (var i$2 = 0; i$2 < first.length; ++i$2)
+ { if (first[i$2].to == null)
+ { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)) } } }
+ for (var i$3 = 0; i$3 < gap; ++i$3)
+ { newMarkers.push(gapMarkers) }
+ newMarkers.push(last)
+ }
+ return newMarkers
+ }
+
+// Remove spans that are empty and don't have a clearWhenEmpty
+// option of false.
+ function clearEmptySpans(spans) {
+ for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i]
+ if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
+ { spans.splice(i--, 1) }
+ }
+ if (!spans.length) { return null }
+ return spans
+ }
+
+// Used to 'clip' out readOnly ranges when making a change.
+ function removeReadOnlyRanges(doc, from, to) {
+ var markers = null
+ doc.iter(from.line, to.line + 1, function (line) {
+ if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+ var mark = line.markedSpans[i].marker
+ if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
+ { (markers || (markers = [])).push(mark) }
+ } }
+ })
+ if (!markers) { return null }
+ var parts = [{from: from, to: to}]
+ for (var i = 0; i < markers.length; ++i) {
+ var mk = markers[i], m = mk.find(0)
+ for (var j = 0; j < parts.length; ++j) {
+ var p = parts[j]
+ if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }
+ var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to)
+ if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
+ { newParts.push({from: p.from, to: m.from}) }
+ if (dto > 0 || !mk.inclusiveRight && !dto)
+ { newParts.push({from: m.to, to: p.to}) }
+ parts.splice.apply(parts, newParts)
+ j += newParts.length - 3
+ }
+ }
+ return parts
+ }
+
+// Connect or disconnect spans from a line.
+ function detachMarkedSpans(line) {
+ var spans = line.markedSpans
+ if (!spans) { return }
+ for (var i = 0; i < spans.length; ++i)
+ { spans[i].marker.detachLine(line) }
+ line.markedSpans = null
+ }
+ function attachMarkedSpans(line, spans) {
+ if (!spans) { return }
+ for (var i = 0; i < spans.length; ++i)
+ { spans[i].marker.attachLine(line) }
+ line.markedSpans = spans
+ }
+
+// Helpers used when computing which overlapping collapsed span
+// counts as the larger one.
+ function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
+ function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }
+
+// Returns a number indicating which of two overlapping collapsed
+// spans is larger (and thus includes the other). Falls back to
+// comparing ids when the spans cover exactly the same range.
+ function compareCollapsedMarkers(a, b) {
+ var lenDiff = a.lines.length - b.lines.length
+ if (lenDiff != 0) { return lenDiff }
+ var aPos = a.find(), bPos = b.find()
+ var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b)
+ if (fromCmp) { return -fromCmp }
+ var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b)
+ if (toCmp) { return toCmp }
+ return b.id - a.id
+ }
+
+// Find out whether a line ends or starts in a collapsed span. If
+// so, return the marker for that span.
+ function collapsedSpanAtSide(line, start) {
+ var sps = sawCollapsedSpans && line.markedSpans, found
+ if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+ sp = sps[i]
+ if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
+ (!found || compareCollapsedMarkers(found, sp.marker) < 0))
+ { found = sp.marker }
+ } }
+ return found
+ }
+ function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
+ function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }
+
+// Test whether there exists a collapsed span that partially
+// overlaps (covers the start or end, but not both) of a new span.
+// Such overlap is not allowed.
+ function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
+ var line = getLine(doc, lineNo)
+ var sps = sawCollapsedSpans && line.markedSpans
+ if (sps) { for (var i = 0; i < sps.length; ++i) {
+ var sp = sps[i]
+ if (!sp.marker.collapsed) { continue }
+ var found = sp.marker.find(0)
+ var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker)
+ var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker)
+ if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }
+ if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
+ fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
+ { return true }
+ } }
+ }
+
+// A visual line is a line as drawn on the screen. Folding, for
+// example, can cause multiple logical lines to appear on the same
+// visual line. This finds the start of the visual line that the
+// given line is part of (usually that is the line itself).
+ function visualLine(line) {
+ var merged
+ while (merged = collapsedSpanAtStart(line))
+ { line = merged.find(-1, true).line }
+ return line
+ }
+
+ function visualLineEnd(line) {
+ var merged
+ while (merged = collapsedSpanAtEnd(line))
+ { line = merged.find(1, true).line }
+ return line
+ }
+
+// Returns an array of logical lines that continue the visual line
+// started by the argument, or undefined if there are no such lines.
+ function visualLineContinued(line) {
+ var merged, lines
+ while (merged = collapsedSpanAtEnd(line)) {
+ line = merged.find(1, true).line
+ ;(lines || (lines = [])).push(line)
+ }
+ return lines
+ }
+
+// Get the line number of the start of the visual line that the
+// given line number is part of.
+ function visualLineNo(doc, lineN) {
+ var line = getLine(doc, lineN), vis = visualLine(line)
+ if (line == vis) { return lineN }
+ return lineNo(vis)
+ }
+
+// Get the line number of the start of the next visual line after
+// the given line.
+ function visualLineEndNo(doc, lineN) {
+ if (lineN > doc.lastLine()) { return lineN }
+ var line = getLine(doc, lineN), merged
+ if (!lineIsHidden(doc, line)) { return lineN }
+ while (merged = collapsedSpanAtEnd(line))
+ { line = merged.find(1, true).line }
+ return lineNo(line) + 1
+ }
+
+// Compute whether a line is hidden. Lines count as hidden when they
+// are part of a visual line that starts with another line, or when
+// they are entirely covered by collapsed, non-widget span.
+ function lineIsHidden(doc, line) {
+ var sps = sawCollapsedSpans && line.markedSpans
+ if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+ sp = sps[i]
+ if (!sp.marker.collapsed) { continue }
+ if (sp.from == null) { return true }
+ if (sp.marker.widgetNode) { continue }
+ if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
+ { return true }
+ } }
+ }
+ function lineIsHiddenInner(doc, line, span) {
+ if (span.to == null) {
+ var end = span.marker.find(1, true)
+ return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
+ }
+ if (span.marker.inclusiveRight && span.to == line.text.length)
+ { return true }
+ for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {
+ sp = line.markedSpans[i]
+ if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
+ (sp.to == null || sp.to != span.from) &&
+ (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
+ lineIsHiddenInner(doc, line, sp)) { return true }
+ }
+ }
+
+// Find the height above the given line.
+ function heightAtLine(lineObj) {
+ lineObj = visualLine(lineObj)
+
+ var h = 0, chunk = lineObj.parent
+ for (var i = 0; i < chunk.lines.length; ++i) {
+ var line = chunk.lines[i]
+ if (line == lineObj) { break }
+ else { h += line.height }
+ }
+ for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
+ for (var i$1 = 0; i$1 < p.children.length; ++i$1) {
+ var cur = p.children[i$1]
+ if (cur == chunk) { break }
+ else { h += cur.height }
+ }
+ }
+ return h
+ }
+
+// Compute the character length of a line, taking into account
+// collapsed ranges (see markText) that might hide parts, and join
+// other lines onto it.
+ function lineLength(line) {
+ if (line.height == 0) { return 0 }
+ var len = line.text.length, merged, cur = line
+ while (merged = collapsedSpanAtStart(cur)) {
+ var found = merged.find(0, true)
+ cur = found.from.line
+ len += found.from.ch - found.to.ch
+ }
+ cur = line
+ while (merged = collapsedSpanAtEnd(cur)) {
+ var found$1 = merged.find(0, true)
+ len -= cur.text.length - found$1.from.ch
+ cur = found$1.to.line
+ len += cur.text.length - found$1.to.ch
+ }
+ return len
+ }
+
+// Find the longest line in the document.
+ function findMaxLine(cm) {
+ var d = cm.display, doc = cm.doc
+ d.maxLine = getLine(doc, doc.first)
+ d.maxLineLength = lineLength(d.maxLine)
+ d.maxLineChanged = true
+ doc.iter(function (line) {
+ var len = lineLength(line)
+ if (len > d.maxLineLength) {
+ d.maxLineLength = len
+ d.maxLine = line
+ }
+ })
+ }
+
+// BIDI HELPERS
+
+ function iterateBidiSections(order, from, to, f) {
+ if (!order) { return f(from, to, "ltr", 0) }
+ var found = false
+ for (var i = 0; i < order.length; ++i) {
+ var part = order[i]
+ if (part.from < to && part.to > from || from == to && part.to == from) {
+ f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i)
+ found = true
+ }
+ }
+ if (!found) { f(from, to, "ltr") }
+ }
+
+ var bidiOther = null
+ function getBidiPartAt(order, ch, sticky) {
+ var found
+ bidiOther = null
+ for (var i = 0; i < order.length; ++i) {
+ var cur = order[i]
+ if (cur.from < ch && cur.to > ch) { return i }
+ if (cur.to == ch) {
+ if (cur.from != cur.to && sticky == "before") { found = i }
+ else { bidiOther = i }
+ }
+ if (cur.from == ch) {
+ if (cur.from != cur.to && sticky != "before") { found = i }
+ else { bidiOther = i }
+ }
+ }
+ return found != null ? found : bidiOther
+ }
+
+// Bidirectional ordering algorithm
+// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
+// that this (partially) implements.
+
+// One-char codes used for character types:
+// L (L): Left-to-Right
+// R (R): Right-to-Left
+// r (AL): Right-to-Left Arabic
+// 1 (EN): European Number
+// + (ES): European Number Separator
+// % (ET): European Number Terminator
+// n (AN): Arabic Number
+// , (CS): Common Number Separator
+// m (NSM): Non-Spacing Mark
+// b (BN): Boundary Neutral
+// s (B): Paragraph Separator
+// t (S): Segment Separator
+// w (WS): Whitespace
+// N (ON): Other Neutrals
+
+// Returns null if characters are ordered as they appear
+// (left-to-right), or an array of sections ({from, to, level}
+// objects) in the order in which they occur visually.
+ var bidiOrdering = (function() {
+ // Character types for codepoints 0 to 0xff
+ var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"
+ // Character types for codepoints 0x600 to 0x6f9
+ var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111"
+ function charType(code) {
+ if (code <= 0xf7) { return lowTypes.charAt(code) }
+ else if (0x590 <= code && code <= 0x5f4) { return "R" }
+ else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
+ else if (0x6ee <= code && code <= 0x8ac) { return "r" }
+ else if (0x2000 <= code && code <= 0x200b) { return "w" }
+ else if (code == 0x200c) { return "b" }
+ else { return "L" }
+ }
+
+ var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/
+ var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/
+
+ function BidiSpan(level, from, to) {
+ this.level = level
+ this.from = from; this.to = to
+ }
+
+ return function(str, direction) {
+ var outerType = direction == "ltr" ? "L" : "R"
+
+ if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
+ var len = str.length, types = []
+ for (var i = 0; i < len; ++i)
+ { types.push(charType(str.charCodeAt(i))) }
+
+ // W1. Examine each non-spacing mark (NSM) in the level run, and
+ // change the type of the NSM to the type of the previous
+ // character. If the NSM is at the start of the level run, it will
+ // get the type of sor.
+ for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
+ var type = types[i$1]
+ if (type == "m") { types[i$1] = prev }
+ else { prev = type }
+ }
+
+ // W2. Search backwards from each instance of a European number
+ // until the first strong type (R, L, AL, or sor) is found. If an
+ // AL is found, change the type of the European number to Arabic
+ // number.
+ // W3. Change all ALs to R.
+ for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
+ var type$1 = types[i$2]
+ if (type$1 == "1" && cur == "r") { types[i$2] = "n" }
+ else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R" } }
+ }
+
+ // W4. A single European separator between two European numbers
+ // changes to a European number. A single common separator between
+ // two numbers of the same type changes to that type.
+ for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
+ var type$2 = types[i$3]
+ if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1" }
+ else if (type$2 == "," && prev$1 == types[i$3+1] &&
+ (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1 }
+ prev$1 = type$2
+ }
+
+ // W5. A sequence of European terminators adjacent to European
+ // numbers changes to all European numbers.
+ // W6. Otherwise, separators and terminators change to Other
+ // Neutral.
+ for (var i$4 = 0; i$4 < len; ++i$4) {
+ var type$3 = types[i$4]
+ if (type$3 == ",") { types[i$4] = "N" }
+ else if (type$3 == "%") {
+ var end = (void 0)
+ for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
+ var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"
+ for (var j = i$4; j < end; ++j) { types[j] = replace }
+ i$4 = end - 1
+ }
+ }
+
+ // W7. Search backwards from each instance of a European number
+ // until the first strong type (R, L, or sor) is found. If an L is
+ // found, then change the type of the European number to L.
+ for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
+ var type$4 = types[i$5]
+ if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L" }
+ else if (isStrong.test(type$4)) { cur$1 = type$4 }
+ }
+
+ // N1. A sequence of neutrals takes the direction of the
+ // surrounding strong text if the text on both sides has the same
+ // direction. European and Arabic numbers act as if they were R in
+ // terms of their influence on neutrals. Start-of-level-run (sor)
+ // and end-of-level-run (eor) are used at level run boundaries.
+ // N2. Any remaining neutrals take the embedding direction.
+ for (var i$6 = 0; i$6 < len; ++i$6) {
+ if (isNeutral.test(types[i$6])) {
+ var end$1 = (void 0)
+ for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
+ var before = (i$6 ? types[i$6-1] : outerType) == "L"
+ var after = (end$1 < len ? types[end$1] : outerType) == "L"
+ var replace$1 = before == after ? (before ? "L" : "R") : outerType
+ for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1 }
+ i$6 = end$1 - 1
+ }
+ }
+
+ // Here we depart from the documented algorithm, in order to avoid
+ // building up an actual levels array. Since there are only three
+ // levels (0, 1, 2) in an implementation that doesn't take
+ // explicit embedding into account, we can build up the order on
+ // the fly, without following the level-based algorithm.
+ var order = [], m
+ for (var i$7 = 0; i$7 < len;) {
+ if (countsAsLeft.test(types[i$7])) {
+ var start = i$7
+ for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
+ order.push(new BidiSpan(0, start, i$7))
+ } else {
+ var pos = i$7, at = order.length
+ for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
+ for (var j$2 = pos; j$2 < i$7;) {
+ if (countsAsNum.test(types[j$2])) {
+ if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)) }
+ var nstart = j$2
+ for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
+ order.splice(at, 0, new BidiSpan(2, nstart, j$2))
+ pos = j$2
+ } else { ++j$2 }
+ }
+ if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)) }
+ }
+ }
+ if (direction == "ltr") {
+ if (order[0].level == 1 && (m = str.match(/^\s+/))) {
+ order[0].from = m[0].length
+ order.unshift(new BidiSpan(0, 0, m[0].length))
+ }
+ if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
+ lst(order).to -= m[0].length
+ order.push(new BidiSpan(0, len - m[0].length, len))
+ }
+ }
+
+ return direction == "rtl" ? order.reverse() : order
+ }
+ })()
+
+// Get the bidi ordering for the given line (and cache it). Returns
+// false for lines that are fully left-to-right, and an array of
+// BidiSpan objects otherwise.
+ function getOrder(line, direction) {
+ var order = line.order
+ if (order == null) { order = line.order = bidiOrdering(line.text, direction) }
+ return order
+ }
+
+// EVENT HANDLING
+
+// Lightweight event framework. on/off also work on DOM nodes,
+// registering native DOM handlers.
+
+ var noHandlers = []
+
+ var on = function(emitter, type, f) {
+ if (emitter.addEventListener) {
+ emitter.addEventListener(type, f, false)
+ } else if (emitter.attachEvent) {
+ emitter.attachEvent("on" + type, f)
+ } else {
+ var map = emitter._handlers || (emitter._handlers = {})
+ map[type] = (map[type] || noHandlers).concat(f)
+ }
+ }
+
+ function getHandlers(emitter, type) {
+ return emitter._handlers && emitter._handlers[type] || noHandlers
+ }
+
+ function off(emitter, type, f) {
+ if (emitter.removeEventListener) {
+ emitter.removeEventListener(type, f, false)
+ } else if (emitter.detachEvent) {
+ emitter.detachEvent("on" + type, f)
+ } else {
+ var map = emitter._handlers, arr = map && map[type]
+ if (arr) {
+ var index = indexOf(arr, f)
+ if (index > -1)
+ { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)) }
+ }
+ }
+ }
+
+ function signal(emitter, type /*, values...*/) {
+ var handlers = getHandlers(emitter, type)
+ if (!handlers.length) { return }
+ var args = Array.prototype.slice.call(arguments, 2)
+ for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args) }
+ }
+
+// The DOM events that CodeMirror handles can be overridden by
+// registering a (non-DOM) handler on the editor for the event name,
+// and preventDefault-ing the event in that handler.
+ function signalDOMEvent(cm, e, override) {
+ if (typeof e == "string")
+ { e = {type: e, preventDefault: function() { this.defaultPrevented = true }} }
+ signal(cm, override || e.type, cm, e)
+ return e_defaultPrevented(e) || e.codemirrorIgnore
+ }
+
+ function signalCursorActivity(cm) {
+ var arr = cm._handlers && cm._handlers.cursorActivity
+ if (!arr) { return }
+ var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = [])
+ for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
+ { set.push(arr[i]) } }
+ }
+
+ function hasHandler(emitter, type) {
+ return getHandlers(emitter, type).length > 0
+ }
+
+// Add on and off methods to a constructor's prototype, to make
+// registering events on such objects more convenient.
+ function eventMixin(ctor) {
+ ctor.prototype.on = function(type, f) {on(this, type, f)}
+ ctor.prototype.off = function(type, f) {off(this, type, f)}
+ }
+
+// Due to the fact that we still support jurassic IE versions, some
+// compatibility wrappers are needed.
+
+ function e_preventDefault(e) {
+ if (e.preventDefault) { e.preventDefault() }
+ else { e.returnValue = false }
+ }
+ function e_stopPropagation(e) {
+ if (e.stopPropagation) { e.stopPropagation() }
+ else { e.cancelBubble = true }
+ }
+ function e_defaultPrevented(e) {
+ return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
+ }
+ function e_stop(e) {e_preventDefault(e); e_stopPropagation(e)}
+
+ function e_target(e) {return e.target || e.srcElement}
+ function e_button(e) {
+ var b = e.which
+ if (b == null) {
+ if (e.button & 1) { b = 1 }
+ else if (e.button & 2) { b = 3 }
+ else if (e.button & 4) { b = 2 }
+ }
+ if (mac && e.ctrlKey && b == 1) { b = 3 }
+ return b
+ }
+
+// Detect drag-and-drop
+ var dragAndDrop = function() {
+ // There is *some* kind of drag-and-drop support in IE6-8, but I
+ // couldn't get it to work yet.
+ if (ie && ie_version < 9) { return false }
+ var div = elt('div')
+ return "draggable" in div || "dragDrop" in div
+ }()
+
+ var zwspSupported
+ function zeroWidthElement(measure) {
+ if (zwspSupported == null) {
+ var test = elt("span", "\u200b")
+ removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]))
+ if (measure.firstChild.offsetHeight != 0)
+ { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8) }
+ }
+ var node = zwspSupported ? elt("span", "\u200b") :
+ elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px")
+ node.setAttribute("cm-text", "")
+ return node
+ }
+
+// Feature-detect IE's crummy client rect reporting for bidi text
+ var badBidiRects
+ function hasBadBidiRects(measure) {
+ if (badBidiRects != null) { return badBidiRects }
+ var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"))
+ var r0 = range(txt, 0, 1).getBoundingClientRect()
+ var r1 = range(txt, 1, 2).getBoundingClientRect()
+ removeChildren(measure)
+ if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
+ return badBidiRects = (r1.right - r0.right < 3)
+ }
+
+// See if "".split is the broken IE version, if so, provide an
+// alternative way to split lines.
+ var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
+ var pos = 0, result = [], l = string.length
+ while (pos <= l) {
+ var nl = string.indexOf("\n", pos)
+ if (nl == -1) { nl = string.length }
+ var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl)
+ var rt = line.indexOf("\r")
+ if (rt != -1) {
+ result.push(line.slice(0, rt))
+ pos += rt + 1
+ } else {
+ result.push(line)
+ pos = nl + 1
+ }
+ }
+ return result
+ } : function (string) { return string.split(/\r\n?|\n/); }
+
+ var hasSelection = window.getSelection ? function (te) {
+ try { return te.selectionStart != te.selectionEnd }
+ catch(e) { return false }
+ } : function (te) {
+ var range
+ try {range = te.ownerDocument.selection.createRange()}
+ catch(e) {}
+ if (!range || range.parentElement() != te) { return false }
+ return range.compareEndPoints("StartToEnd", range) != 0
+ }
+
+ var hasCopyEvent = (function () {
+ var e = elt("div")
+ if ("oncopy" in e) { return true }
+ e.setAttribute("oncopy", "return;")
+ return typeof e.oncopy == "function"
+ })()
+
+ var badZoomedRects = null
+ function hasBadZoomedRects(measure) {
+ if (badZoomedRects != null) { return badZoomedRects }
+ var node = removeChildrenAndAdd(measure, elt("span", "x"))
+ var normal = node.getBoundingClientRect()
+ var fromRange = range(node, 0, 1).getBoundingClientRect()
+ return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
+ }
+
+ var modes = {};
+ var mimeModes = {};
+// Extra arguments are stored as the mode's dependencies, which is
+// used by (legacy) mechanisms like loadmode.js to automatically
+// load a mode. (Preferred mechanism is the require/define calls.)
+ function defineMode(name, mode) {
+ if (arguments.length > 2)
+ { mode.dependencies = Array.prototype.slice.call(arguments, 2) }
+ modes[name] = mode
+ }
+
+ function defineMIME(mime, spec) {
+ mimeModes[mime] = spec
+ }
+
+// Given a MIME type, a {name, ...options} config object, or a name
+// string, return a mode config object.
+ function resolveMode(spec) {
+ if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
+ spec = mimeModes[spec]
+ } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
+ var found = mimeModes[spec.name]
+ if (typeof found == "string") { found = {name: found} }
+ spec = createObj(found, spec)
+ spec.name = found.name
+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
+ return resolveMode("application/xml")
+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
+ return resolveMode("application/json")
+ }
+ if (typeof spec == "string") { return {name: spec} }
+ else { return spec || {name: "null"} }
+ }
+
+// Given a mode spec (anything that resolveMode accepts), find and
+// initialize an actual mode object.
+ function getMode(options, spec) {
+ spec = resolveMode(spec)
+ var mfactory = modes[spec.name]
+ if (!mfactory) { return getMode(options, "text/plain") }
+ var modeObj = mfactory(options, spec)
+ if (modeExtensions.hasOwnProperty(spec.name)) {
+ var exts = modeExtensions[spec.name]
+ for (var prop in exts) {
+ if (!exts.hasOwnProperty(prop)) { continue }
+ if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop] }
+ modeObj[prop] = exts[prop]
+ }
+ }
+ modeObj.name = spec.name
+ if (spec.helperType) { modeObj.helperType = spec.helperType }
+ if (spec.modeProps) { for (var prop$1 in spec.modeProps)
+ { modeObj[prop$1] = spec.modeProps[prop$1] } }
+
+ return modeObj
+ }
+
+// This can be used to attach properties to mode objects from
+// outside the actual mode definition.
+ var modeExtensions = {}
+ function extendMode(mode, properties) {
+ var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {})
+ copyObj(properties, exts)
+ }
+
+ function copyState(mode, state) {
+ if (state === true) { return state }
+ if (mode.copyState) { return mode.copyState(state) }
+ var nstate = {}
+ for (var n in state) {
+ var val = state[n]
+ if (val instanceof Array) { val = val.concat([]) }
+ nstate[n] = val
+ }
+ return nstate
+ }
+
+// Given a mode and a state (for that mode), find the inner mode and
+// state at the position that the state refers to.
+ function innerMode(mode, state) {
+ var info
+ while (mode.innerMode) {
+ info = mode.innerMode(state)
+ if (!info || info.mode == mode) { break }
+ state = info.state
+ mode = info.mode
+ }
+ return info || {mode: mode, state: state}
+ }
+
+ function startState(mode, a1, a2) {
+ return mode.startState ? mode.startState(a1, a2) : true
+ }
+
+// STRING STREAM
+
+// Fed to the mode parsers, provides helper functions to make
+// parsers more succinct.
+
+ var StringStream = function(string, tabSize, lineOracle) {
+ this.pos = this.start = 0
+ this.string = string
+ this.tabSize = tabSize || 8
+ this.lastColumnPos = this.lastColumnValue = 0
+ this.lineStart = 0
+ this.lineOracle = lineOracle
+ };
+
+ StringStream.prototype.eol = function () {return this.pos >= this.string.length};
+ StringStream.prototype.sol = function () {return this.pos == this.lineStart};
+ StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
+ StringStream.prototype.next = function () {
+ if (this.pos < this.string.length)
+ { return this.string.charAt(this.pos++) }
+ };
+ StringStream.prototype.eat = function (match) {
+ var ch = this.string.charAt(this.pos)
+ var ok
+ if (typeof match == "string") { ok = ch == match }
+ else { ok = ch && (match.test ? match.test(ch) : match(ch)) }
+ if (ok) {++this.pos; return ch}
+ };
+ StringStream.prototype.eatWhile = function (match) {
+ var start = this.pos
+ while (this.eat(match)){}
+ return this.pos > start
+ };
+ StringStream.prototype.eatSpace = function () {
+ var this$1 = this;
+
+ var start = this.pos
+ while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos }
+ return this.pos > start
+ };
+ StringStream.prototype.skipToEnd = function () {this.pos = this.string.length};
+ StringStream.prototype.skipTo = function (ch) {
+ var found = this.string.indexOf(ch, this.pos)
+ if (found > -1) {this.pos = found; return true}
+ };
+ StringStream.prototype.backUp = function (n) {this.pos -= n};
+ StringStream.prototype.column = function () {
+ if (this.lastColumnPos < this.start) {
+ this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue)
+ this.lastColumnPos = this.start
+ }
+ return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+ };
+ StringStream.prototype.indentation = function () {
+ return countColumn(this.string, null, this.tabSize) -
+ (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+ };
+ StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
+ if (typeof pattern == "string") {
+ var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; }
+ var substr = this.string.substr(this.pos, pattern.length)
+ if (cased(substr) == cased(pattern)) {
+ if (consume !== false) { this.pos += pattern.length }
+ return true
+ }
+ } else {
+ var match = this.string.slice(this.pos).match(pattern)
+ if (match && match.index > 0) { return null }
+ if (match && consume !== false) { this.pos += match[0].length }
+ return match
+ }
+ };
+ StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
+ StringStream.prototype.hideFirstChars = function (n, inner) {
+ this.lineStart += n
+ try { return inner() }
+ finally { this.lineStart -= n }
+ };
+ StringStream.prototype.lookAhead = function (n) {
+ var oracle = this.lineOracle
+ return oracle && oracle.lookAhead(n)
+ };
+ StringStream.prototype.baseToken = function () {
+ var oracle = this.lineOracle
+ return oracle && oracle.baseToken(this.pos)
+ };
+
+ var SavedContext = function(state, lookAhead) {
+ this.state = state
+ this.lookAhead = lookAhead
+ };
+
+ var Context = function(doc, state, line, lookAhead) {
+ this.state = state
+ this.doc = doc
+ this.line = line
+ this.maxLookAhead = lookAhead || 0
+ this.baseTokens = null
+ this.baseTokenPos = 1
+ };
+
+ Context.prototype.lookAhead = function (n) {
+ var line = this.doc.getLine(this.line + n)
+ if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n }
+ return line
+ };
+
+ Context.prototype.baseToken = function (n) {
+ var this$1 = this;
+
+ if (!this.baseTokens) { return null }
+ while (this.baseTokens[this.baseTokenPos] <= n)
+ { this$1.baseTokenPos += 2 }
+ var type = this.baseTokens[this.baseTokenPos + 1]
+ return {type: type && type.replace(/( |^)overlay .*/, ""),
+ size: this.baseTokens[this.baseTokenPos] - n}
+ };
+
+ Context.prototype.nextLine = function () {
+ this.line++
+ if (this.maxLookAhead > 0) { this.maxLookAhead-- }
+ };
+
+ Context.fromSaved = function (doc, saved, line) {
+ if (saved instanceof SavedContext)
+ { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
+ else
+ { return new Context(doc, copyState(doc.mode, saved), line) }
+ };
+
+ Context.prototype.save = function (copy) {
+ var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state
+ return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
+ };
+
+
+// Compute a style array (an array starting with a mode generation
+// -- for invalidation -- followed by pairs of end positions and
+// style strings), which is used to highlight the tokens on the
+// line.
+ function highlightLine(cm, line, context, forceToEnd) {
+ // A styles array always starts with a number identifying the
+ // mode/overlays that it is based on (for easy invalidation).
+ var st = [cm.state.modeGen], lineClasses = {}
+ // Compute the base array of styles
+ runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
+ lineClasses, forceToEnd)
+ var state = context.state
+
+ // Run overlays, adjust style array.
+ var loop = function ( o ) {
+ context.baseTokens = st
+ var overlay = cm.state.overlays[o], i = 1, at = 0
+ context.state = true
+ runMode(cm, line.text, overlay.mode, context, function (end, style) {
+ var start = i
+ // Ensure there's a token end at the current position, and that i points at it
+ while (at < end) {
+ var i_end = st[i]
+ if (i_end > end)
+ { st.splice(i, 1, end, st[i+1], i_end) }
+ i += 2
+ at = Math.min(end, i_end)
+ }
+ if (!style) { return }
+ if (overlay.opaque) {
+ st.splice(start, i - start, end, "overlay " + style)
+ i = start + 2
+ } else {
+ for (; start < i; start += 2) {
+ var cur = st[start+1]
+ st[start+1] = (cur ? cur + " " : "") + "overlay " + style
+ }
+ }
+ }, lineClasses)
+ context.state = state
+ context.baseTokens = null
+ context.baseTokenPos = 1
+ };
+
+ for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );
+
+ return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
+ }
+
+ function getLineStyles(cm, line, updateFrontier) {
+ if (!line.styles || line.styles[0] != cm.state.modeGen) {
+ var context = getContextBefore(cm, lineNo(line))
+ var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state)
+ var result = highlightLine(cm, line, context)
+ if (resetState) { context.state = resetState }
+ line.stateAfter = context.save(!resetState)
+ line.styles = result.styles
+ if (result.classes) { line.styleClasses = result.classes }
+ else if (line.styleClasses) { line.styleClasses = null }
+ if (updateFrontier === cm.doc.highlightFrontier)
+ { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier) }
+ }
+ return line.styles
+ }
+
+ function getContextBefore(cm, n, precise) {
+ var doc = cm.doc, display = cm.display
+ if (!doc.mode.startState) { return new Context(doc, true, n) }
+ var start = findStartLine(cm, n, precise)
+ var saved = start > doc.first && getLine(doc, start - 1).stateAfter
+ var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start)
+
+ doc.iter(start, n, function (line) {
+ processLine(cm, line.text, context)
+ var pos = context.line
+ line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null
+ context.nextLine()
+ })
+ if (precise) { doc.modeFrontier = context.line }
+ return context
+ }
+
+// Lightweight form of highlight -- proceed over this line and
+// update state, but don't save a style array. Used for lines that
+// aren't currently visible.
+ function processLine(cm, text, context, startAt) {
+ var mode = cm.doc.mode
+ var stream = new StringStream(text, cm.options.tabSize, context)
+ stream.start = stream.pos = startAt || 0
+ if (text == "") { callBlankLine(mode, context.state) }
+ while (!stream.eol()) {
+ readToken(mode, stream, context.state)
+ stream.start = stream.pos
+ }
+ }
+
+ function callBlankLine(mode, state) {
+ if (mode.blankLine) { return mode.blankLine(state) }
+ if (!mode.innerMode) { return }
+ var inner = innerMode(mode, state)
+ if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
+ }
+
+ function readToken(mode, stream, state, inner) {
+ for (var i = 0; i < 10; i++) {
+ if (inner) { inner[0] = innerMode(mode, state).mode }
+ var style = mode.token(stream, state)
+ if (stream.pos > stream.start) { return style }
+ }
+ throw new Error("Mode " + mode.name + " failed to advance stream.")
+ }
+
+ var Token = function(stream, type, state) {
+ this.start = stream.start; this.end = stream.pos
+ this.string = stream.current()
+ this.type = type || null
+ this.state = state
+ };
+
+// Utility for getTokenAt and getLineTokens
+ function takeToken(cm, pos, precise, asArray) {
+ var doc = cm.doc, mode = doc.mode, style
+ pos = clipPos(doc, pos)
+ var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise)
+ var stream = new StringStream(line.text, cm.options.tabSize, context), tokens
+ if (asArray) { tokens = [] }
+ while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
+ stream.start = stream.pos
+ style = readToken(mode, stream, context.state)
+ if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))) }
+ }
+ return asArray ? tokens : new Token(stream, style, context.state)
+ }
+
+ function extractLineClasses(type, output) {
+ if (type) { for (;;) {
+ var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/)
+ if (!lineClass) { break }
+ type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length)
+ var prop = lineClass[1] ? "bgClass" : "textClass"
+ if (output[prop] == null)
+ { output[prop] = lineClass[2] }
+ else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
+ { output[prop] += " " + lineClass[2] }
+ } }
+ return type
+ }
+
+// Run the given mode's parser over a line, calling f for each token.
+ function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
+ var flattenSpans = mode.flattenSpans
+ if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans }
+ var curStart = 0, curStyle = null
+ var stream = new StringStream(text, cm.options.tabSize, context), style
+ var inner = cm.options.addModeClass && [null]
+ if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses) }
+ while (!stream.eol()) {
+ if (stream.pos > cm.options.maxHighlightLength) {
+ flattenSpans = false
+ if (forceToEnd) { processLine(cm, text, context, stream.pos) }
+ stream.pos = text.length
+ style = null
+ } else {
+ style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses)
+ }
+ if (inner) {
+ var mName = inner[0].name
+ if (mName) { style = "m-" + (style ? mName + " " + style : mName) }
+ }
+ if (!flattenSpans || curStyle != style) {
+ while (curStart < stream.start) {
+ curStart = Math.min(stream.start, curStart + 5000)
+ f(curStart, curStyle)
+ }
+ curStyle = style
+ }
+ stream.start = stream.pos
+ }
+ while (curStart < stream.pos) {
+ // Webkit seems to refuse to render text nodes longer than 57444
+ // characters, and returns inaccurate measurements in nodes
+ // starting around 5000 chars.
+ var pos = Math.min(stream.pos, curStart + 5000)
+ f(pos, curStyle)
+ curStart = pos
+ }
+ }
+
+// Finds the line to start with when starting a parse. Tries to
+// find a line with a stateAfter, so that it can start with a
+// valid state. If that fails, it returns the line with the
+// smallest indentation, which tends to need the least context to
+// parse correctly.
+ function findStartLine(cm, n, precise) {
+ var minindent, minline, doc = cm.doc
+ var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100)
+ for (var search = n; search > lim; --search) {
+ if (search <= doc.first) { return doc.first }
+ var line = getLine(doc, search - 1), after = line.stateAfter
+ if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
+ { return search }
+ var indented = countColumn(line.text, null, cm.options.tabSize)
+ if (minline == null || minindent > indented) {
+ minline = search - 1
+ minindent = indented
+ }
+ }
+ return minline
+ }
+
+ function retreatFrontier(doc, n) {
+ doc.modeFrontier = Math.min(doc.modeFrontier, n)
+ if (doc.highlightFrontier < n - 10) { return }
+ var start = doc.first
+ for (var line = n - 1; line > start; line--) {
+ var saved = getLine(doc, line).stateAfter
+ // change is on 3
+ // state on line 1 looked ahead 2 -- so saw 3
+ // test 1 + 2 < 3 should cover this
+ if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
+ start = line + 1
+ break
+ }
+ }
+ doc.highlightFrontier = Math.min(doc.highlightFrontier, start)
+ }
+
+// LINE DATA STRUCTURE
+
+// Line objects. These hold state related to a line, including
+// highlighting info (the styles array).
+ var Line = function(text, markedSpans, estimateHeight) {
+ this.text = text
+ attachMarkedSpans(this, markedSpans)
+ this.height = estimateHeight ? estimateHeight(this) : 1
+ };
+
+ Line.prototype.lineNo = function () { return lineNo(this) };
+ eventMixin(Line)
+
+// Change the content (text, markers) of a line. Automatically
+// invalidates cached information and tries to re-estimate the
+// line's height.
+ function updateLine(line, text, markedSpans, estimateHeight) {
+ line.text = text
+ if (line.stateAfter) { line.stateAfter = null }
+ if (line.styles) { line.styles = null }
+ if (line.order != null) { line.order = null }
+ detachMarkedSpans(line)
+ attachMarkedSpans(line, markedSpans)
+ var estHeight = estimateHeight ? estimateHeight(line) : 1
+ if (estHeight != line.height) { updateLineHeight(line, estHeight) }
+ }
+
+// Detach a line from the document tree and its markers.
+ function cleanUpLine(line) {
+ line.parent = null
+ detachMarkedSpans(line)
+ }
+
+// Convert a style as returned by a mode (either null, or a string
+// containing one or more styles) to a CSS style. This is cached,
+// and also looks for line-wide styles.
+ var styleToClassCache = {};
+ var styleToClassCacheWithMode = {};
+ function interpretTokenStyle(style, options) {
+ if (!style || /^\s*$/.test(style)) { return null }
+ var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache
+ return cache[style] ||
+ (cache[style] = style.replace(/\S+/g, "cm-$&"))
+ }
+
+// Render the DOM representation of the text of a line. Also builds
+// up a 'line map', which points at the DOM nodes that represent
+// specific stretches of text, and is used by the measuring code.
+// The returned object contains the DOM node, this map, and
+// information about line-wide styles that were set by the mode.
+ function buildLineContent(cm, lineView) {
+ // The padding-right forces the element to have a 'border', which
+ // is needed on Webkit to be able to get line-level bounding
+ // rectangles for it (in measureChar).
+ var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null)
+ var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
+ col: 0, pos: 0, cm: cm,
+ trailingSpace: false,
+ splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}
+ lineView.measure = {}
+
+ // Iterate over the logical lines that make up this visual line.
+ for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
+ var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0)
+ builder.pos = 0
+ builder.addToken = buildToken
+ // Optionally wire in some hacks into the token-rendering
+ // algorithm, to deal with browser quirks.
+ if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
+ { builder.addToken = buildTokenBadBidi(builder.addToken, order) }
+ builder.map = []
+ var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line)
+ insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate))
+ if (line.styleClasses) {
+ if (line.styleClasses.bgClass)
+ { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "") }
+ if (line.styleClasses.textClass)
+ { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "") }
+ }
+
+ // Ensure at least a single node is present, for measuring.
+ if (builder.map.length == 0)
+ { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))) }
+
+ // Store the map and a cache object for the current logical line
+ if (i == 0) {
+ lineView.measure.map = builder.map
+ lineView.measure.cache = {}
+ } else {
+ ;(lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
+ ;(lineView.measure.caches || (lineView.measure.caches = [])).push({})
+ }
+ }
+
+ // See issue #2901
+ if (webkit) {
+ var last = builder.content.lastChild
+ if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
+ { builder.content.className = "cm-tab-wrap-hack" }
+ }
+
+ signal(cm, "renderLine", cm, lineView.line, builder.pre)
+ if (builder.pre.className)
+ { builder.textClass = joinClasses(builder.pre.className, builder.textClass || "") }
+
+ return builder
+ }
+
+ function defaultSpecialCharPlaceholder(ch) {
+ var token = elt("span", "\u2022", "cm-invalidchar")
+ token.title = "\\u" + ch.charCodeAt(0).toString(16)
+ token.setAttribute("aria-label", token.title)
+ return token
+ }
+
+// Build up the DOM representation for a single token, and add it to
+// the line map. Takes care to render special characters separately.
+ function buildToken(builder, text, style, startStyle, endStyle, title, css) {
+ if (!text) { return }
+ var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text
+ var special = builder.cm.state.specialChars, mustWrap = false
+ var content
+ if (!special.test(text)) {
+ builder.col += text.length
+ content = document.createTextNode(displayText)
+ builder.map.push(builder.pos, builder.pos + text.length, content)
+ if (ie && ie_version < 9) { mustWrap = true }
+ builder.pos += text.length
+ } else {
+ content = document.createDocumentFragment()
+ var pos = 0
+ while (true) {
+ special.lastIndex = pos
+ var m = special.exec(text)
+ var skipped = m ? m.index - pos : text.length - pos
+ if (skipped) {
+ var txt = document.createTextNode(displayText.slice(pos, pos + skipped))
+ if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])) }
+ else { content.appendChild(txt) }
+ builder.map.push(builder.pos, builder.pos + skipped, txt)
+ builder.col += skipped
+ builder.pos += skipped
+ }
+ if (!m) { break }
+ pos += skipped + 1
+ var txt$1 = (void 0)
+ if (m[0] == "\t") {
+ var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize
+ txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"))
+ txt$1.setAttribute("role", "presentation")
+ txt$1.setAttribute("cm-text", "\t")
+ builder.col += tabWidth
+ } else if (m[0] == "\r" || m[0] == "\n") {
+ txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"))
+ txt$1.setAttribute("cm-text", m[0])
+ builder.col += 1
+ } else {
+ txt$1 = builder.cm.options.specialCharPlaceholder(m[0])
+ txt$1.setAttribute("cm-text", m[0])
+ if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])) }
+ else { content.appendChild(txt$1) }
+ builder.col += 1
+ }
+ builder.map.push(builder.pos, builder.pos + 1, txt$1)
+ builder.pos++
+ }
+ }
+ builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32
+ if (style || startStyle || endStyle || mustWrap || css) {
+ var fullStyle = style || ""
+ if (startStyle) { fullStyle += startStyle }
+ if (endStyle) { fullStyle += endStyle }
+ var token = elt("span", [content], fullStyle, css)
+ if (title) { token.title = title }
+ return builder.content.appendChild(token)
+ }
+ builder.content.appendChild(content)
+ }
+
+ function splitSpaces(text, trailingBefore) {
+ if (text.length > 1 && !/ /.test(text)) { return text }
+ var spaceBefore = trailingBefore, result = ""
+ for (var i = 0; i < text.length; i++) {
+ var ch = text.charAt(i)
+ if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
+ { ch = "\u00a0" }
+ result += ch
+ spaceBefore = ch == " "
+ }
+ return result
+ }
+
+// Work around nonsense dimensions being reported for stretches of
+// right-to-left text.
+ function buildTokenBadBidi(inner, order) {
+ return function (builder, text, style, startStyle, endStyle, title, css) {
+ style = style ? style + " cm-force-border" : "cm-force-border"
+ var start = builder.pos, end = start + text.length
+ for (;;) {
+ // Find the part that overlaps with the start of this text
+ var part = (void 0)
+ for (var i = 0; i < order.length; i++) {
+ part = order[i]
+ if (part.to > start && part.from <= start) { break }
+ }
+ if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) }
+ inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css)
+ startStyle = null
+ text = text.slice(part.to - start)
+ start = part.to
+ }
+ }
+ }
+
+ function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
+ var widget = !ignoreWidget && marker.widgetNode
+ if (widget) { builder.map.push(builder.pos, builder.pos + size, widget) }
+ if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
+ if (!widget)
+ { widget = builder.content.appendChild(document.createElement("span")) }
+ widget.setAttribute("cm-marker", marker.id)
+ }
+ if (widget) {
+ builder.cm.display.input.setUneditable(widget)
+ builder.content.appendChild(widget)
+ }
+ builder.pos += size
+ builder.trailingSpace = false
+ }
+
+// Outputs a number of spans to make up a line, taking highlighting
+// and marked text into account.
+ function insertLineContent(line, builder, styles) {
+ var spans = line.markedSpans, allText = line.text, at = 0
+ if (!spans) {
+ for (var i$1 = 1; i$1 < styles.length; i$1+=2)
+ { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)) }
+ return
+ }
+
+ var len = allText.length, pos = 0, i = 1, text = "", style, css
+ var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed
+ for (;;) {
+ if (nextChange == pos) { // Update current marker set
+ spanStyle = spanEndStyle = spanStartStyle = title = css = ""
+ collapsed = null; nextChange = Infinity
+ var foundBookmarks = [], endStyles = (void 0)
+ for (var j = 0; j < spans.length; ++j) {
+ var sp = spans[j], m = sp.marker
+ if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
+ foundBookmarks.push(m)
+ } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
+ if (sp.to != null && sp.to != pos && nextChange > sp.to) {
+ nextChange = sp.to
+ spanEndStyle = ""
+ }
+ if (m.className) { spanStyle += " " + m.className }
+ if (m.css) { css = (css ? css + ";" : "") + m.css }
+ if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle }
+ if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to) }
+ if (m.title && !title) { title = m.title }
+ if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
+ { collapsed = sp }
+ } else if (sp.from > pos && nextChange > sp.from) {
+ nextChange = sp.from
+ }
+ }
+ if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)
+ { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1] } } }
+
+ if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)
+ { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]) } }
+ if (collapsed && (collapsed.from || 0) == pos) {
+ buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
+ collapsed.marker, collapsed.from == null)
+ if (collapsed.to == null) { return }
+ if (collapsed.to == pos) { collapsed = false }
+ }
+ }
+ if (pos >= len) { break }
+
+ var upto = Math.min(len, nextChange)
+ while (true) {
+ if (text) {
+ var end = pos + text.length
+ if (!collapsed) {
+ var tokenText = end > upto ? text.slice(0, upto - pos) : text
+ builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
+ spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css)
+ }
+ if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
+ pos = end
+ spanStartStyle = ""
+ }
+ text = allText.slice(at, at = styles[i++])
+ style = interpretTokenStyle(styles[i++], builder.cm.options)
+ }
+ }
+ }
+
+
+// These objects are used to represent the visible (currently drawn)
+// part of the document. A LineView may correspond to multiple
+// logical lines, if those are connected by collapsed ranges.
+ function LineView(doc, line, lineN) {
+ // The starting line
+ this.line = line
+ // Continuing lines, if any
+ this.rest = visualLineContinued(line)
+ // Number of logical lines in this visual line
+ this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1
+ this.node = this.text = null
+ this.hidden = lineIsHidden(doc, line)
+ }
+
+// Create a range of LineView objects for the given lines.
+ function buildViewArray(cm, from, to) {
+ var array = [], nextPos
+ for (var pos = from; pos < to; pos = nextPos) {
+ var view = new LineView(cm.doc, getLine(cm.doc, pos), pos)
+ nextPos = pos + view.size
+ array.push(view)
+ }
+ return array
+ }
+
+ var operationGroup = null
+
+ function pushOperation(op) {
+ if (operationGroup) {
+ operationGroup.ops.push(op)
+ } else {
+ op.ownsGroup = operationGroup = {
+ ops: [op],
+ delayedCallbacks: []
+ }
+ }
+ }
+
+ function fireCallbacksForOps(group) {
+ // Calls delayed callbacks and cursorActivity handlers until no
+ // new ones appear
+ var callbacks = group.delayedCallbacks, i = 0
+ do {
+ for (; i < callbacks.length; i++)
+ { callbacks[i].call(null) }
+ for (var j = 0; j < group.ops.length; j++) {
+ var op = group.ops[j]
+ if (op.cursorActivityHandlers)
+ { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
+ { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm) } }
+ }
+ } while (i < callbacks.length)
+ }
+
+ function finishOperation(op, endCb) {
+ var group = op.ownsGroup
+ if (!group) { return }
+
+ try { fireCallbacksForOps(group) }
+ finally {
+ operationGroup = null
+ endCb(group)
+ }
+ }
+
+ var orphanDelayedCallbacks = null
+
+// Often, we want to signal events at a point where we are in the
+// middle of some work, but don't want the handler to start calling
+// other methods on the editor, which might be in an inconsistent
+// state or simply not expect any other events to happen.
+// signalLater looks whether there are any handlers, and schedules
+// them to be executed when the last operation ends, or, if no
+// operation is active, when a timeout fires.
+ function signalLater(emitter, type /*, values...*/) {
+ var arr = getHandlers(emitter, type)
+ if (!arr.length) { return }
+ var args = Array.prototype.slice.call(arguments, 2), list
+ if (operationGroup) {
+ list = operationGroup.delayedCallbacks
+ } else if (orphanDelayedCallbacks) {
+ list = orphanDelayedCallbacks
+ } else {
+ list = orphanDelayedCallbacks = []
+ setTimeout(fireOrphanDelayed, 0)
+ }
+ var loop = function ( i ) {
+ list.push(function () { return arr[i].apply(null, args); })
+ };
+
+ for (var i = 0; i < arr.length; ++i)
+ loop( i );
+ }
+
+ function fireOrphanDelayed() {
+ var delayed = orphanDelayedCallbacks
+ orphanDelayedCallbacks = null
+ for (var i = 0; i < delayed.length; ++i) { delayed[i]() }
+ }
+
+// When an aspect of a line changes, a string is added to
+// lineView.changes. This updates the relevant part of the line's
+// DOM structure.
+ function updateLineForChanges(cm, lineView, lineN, dims) {
+ for (var j = 0; j < lineView.changes.length; j++) {
+ var type = lineView.changes[j]
+ if (type == "text") { updateLineText(cm, lineView) }
+ else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims) }
+ else if (type == "class") { updateLineClasses(cm, lineView) }
+ else if (type == "widget") { updateLineWidgets(cm, lineView, dims) }
+ }
+ lineView.changes = null
+ }
+
+// Lines with gutter elements, widgets or a background class need to
+// be wrapped, and have the extra elements added to the wrapper div
+ function ensureLineWrapped(lineView) {
+ if (lineView.node == lineView.text) {
+ lineView.node = elt("div", null, null, "position: relative")
+ if (lineView.text.parentNode)
+ { lineView.text.parentNode.replaceChild(lineView.node, lineView.text) }
+ lineView.node.appendChild(lineView.text)
+ if (ie && ie_version < 8) { lineView.node.style.zIndex = 2 }
+ }
+ return lineView.node
+ }
+
+ function updateLineBackground(cm, lineView) {
+ var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass
+ if (cls) { cls += " CodeMirror-linebackground" }
+ if (lineView.background) {
+ if (cls) { lineView.background.className = cls }
+ else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null }
+ } else if (cls) {
+ var wrap = ensureLineWrapped(lineView)
+ lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild)
+ cm.display.input.setUneditable(lineView.background)
+ }
+ }
+
+// Wrapper around buildLineContent which will reuse the structure
+// in display.externalMeasured when possible.
+ function getLineContent(cm, lineView) {
+ var ext = cm.display.externalMeasured
+ if (ext && ext.line == lineView.line) {
+ cm.display.externalMeasured = null
+ lineView.measure = ext.measure
+ return ext.built
+ }
+ return buildLineContent(cm, lineView)
+ }
+
+// Redraw the line's text. Interacts with the background and text
+// classes because the mode may output tokens that influence these
+// classes.
+ function updateLineText(cm, lineView) {
+ var cls = lineView.text.className
+ var built = getLineContent(cm, lineView)
+ if (lineView.text == lineView.node) { lineView.node = built.pre }
+ lineView.text.parentNode.replaceChild(built.pre, lineView.text)
+ lineView.text = built.pre
+ if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
+ lineView.bgClass = built.bgClass
+ lineView.textClass = built.textClass
+ updateLineClasses(cm, lineView)
+ } else if (cls) {
+ lineView.text.className = cls
+ }
+ }
+
+ function updateLineClasses(cm, lineView) {
+ updateLineBackground(cm, lineView)
+ if (lineView.line.wrapClass)
+ { ensureLineWrapped(lineView).className = lineView.line.wrapClass }
+ else if (lineView.node != lineView.text)
+ { lineView.node.className = "" }
+ var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass
+ lineView.text.className = textClass || ""
+ }
+
+ function updateLineGutter(cm, lineView, lineN, dims) {
+ if (lineView.gutter) {
+ lineView.node.removeChild(lineView.gutter)
+ lineView.gutter = null
+ }
+ if (lineView.gutterBackground) {
+ lineView.node.removeChild(lineView.gutterBackground)
+ lineView.gutterBackground = null
+ }
+ if (lineView.line.gutterClass) {
+ var wrap = ensureLineWrapped(lineView)
+ lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
+ ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"))
+ cm.display.input.setUneditable(lineView.gutterBackground)
+ wrap.insertBefore(lineView.gutterBackground, lineView.text)
+ }
+ var markers = lineView.line.gutterMarkers
+ if (cm.options.lineNumbers || markers) {
+ var wrap$1 = ensureLineWrapped(lineView)
+ var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"))
+ cm.display.input.setUneditable(gutterWrap)
+ wrap$1.insertBefore(gutterWrap, lineView.text)
+ if (lineView.line.gutterClass)
+ { gutterWrap.className += " " + lineView.line.gutterClass }
+ if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
+ { lineView.lineNumber = gutterWrap.appendChild(
+ elt("div", lineNumberFor(cm.options, lineN),
+ "CodeMirror-linenumber CodeMirror-gutter-elt",
+ ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))) }
+ if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) {
+ var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]
+ if (found)
+ { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",
+ ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))) }
+ } }
+ }
+ }
+
+ function updateLineWidgets(cm, lineView, dims) {
+ if (lineView.alignable) { lineView.alignable = null }
+ for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {
+ next = node.nextSibling
+ if (node.className == "CodeMirror-linewidget")
+ { lineView.node.removeChild(node) }
+ }
+ insertLineWidgets(cm, lineView, dims)
+ }
+
+// Build a line's DOM representation from scratch
+ function buildLineElement(cm, lineView, lineN, dims) {
+ var built = getLineContent(cm, lineView)
+ lineView.text = lineView.node = built.pre
+ if (built.bgClass) { lineView.bgClass = built.bgClass }
+ if (built.textClass) { lineView.textClass = built.textClass }
+
+ updateLineClasses(cm, lineView)
+ updateLineGutter(cm, lineView, lineN, dims)
+ insertLineWidgets(cm, lineView, dims)
+ return lineView.node
+ }
+
+// A lineView may contain multiple logical lines (when merged by
+// collapsed spans). The widgets for all of them need to be drawn.
+ function insertLineWidgets(cm, lineView, dims) {
+ insertLineWidgetsFor(cm, lineView.line, lineView, dims, true)
+ if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+ { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false) } }
+ }
+
+ function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
+ if (!line.widgets) { return }
+ var wrap = ensureLineWrapped(lineView)
+ for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
+ var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget")
+ if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true") }
+ positionLineWidget(widget, node, lineView, dims)
+ cm.display.input.setUneditable(node)
+ if (allowAbove && widget.above)
+ { wrap.insertBefore(node, lineView.gutter || lineView.text) }
+ else
+ { wrap.appendChild(node) }
+ signalLater(widget, "redraw")
+ }
+ }
+
+ function positionLineWidget(widget, node, lineView, dims) {
+ if (widget.noHScroll) {
+ ;(lineView.alignable || (lineView.alignable = [])).push(node)
+ var width = dims.wrapperWidth
+ node.style.left = dims.fixedPos + "px"
+ if (!widget.coverGutter) {
+ width -= dims.gutterTotalWidth
+ node.style.paddingLeft = dims.gutterTotalWidth + "px"
+ }
+ node.style.width = width + "px"
+ }
+ if (widget.coverGutter) {
+ node.style.zIndex = 5
+ node.style.position = "relative"
+ if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px" }
+ }
+ }
+
+ function widgetHeight(widget) {
+ if (widget.height != null) { return widget.height }
+ var cm = widget.doc.cm
+ if (!cm) { return 0 }
+ if (!contains(document.body, widget.node)) {
+ var parentStyle = "position: relative;"
+ if (widget.coverGutter)
+ { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;" }
+ if (widget.noHScroll)
+ { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;" }
+ removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle))
+ }
+ return widget.height = widget.node.parentNode.offsetHeight
+ }
+
+// Return true when the given mouse event happened in a widget
+ function eventInWidget(display, e) {
+ for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
+ if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
+ (n.parentNode == display.sizer && n != display.mover))
+ { return true }
+ }
+ }
+
+// POSITION MEASUREMENT
+
+ function paddingTop(display) {return display.lineSpace.offsetTop}
+ function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}
+ function paddingH(display) {
+ if (display.cachedPaddingH) { return display.cachedPaddingH }
+ var e = removeChildrenAndAdd(display.measure, elt("pre", "x"))
+ var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle
+ var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}
+ if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data }
+ return data
+ }
+
+ function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }
+ function displayWidth(cm) {
+ return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth
+ }
+ function displayHeight(cm) {
+ return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight
+ }
+
+// Ensure the lineView.wrapping.heights array is populated. This is
+// an array of bottom offsets for the lines that make up a drawn
+// line. When lineWrapping is on, there might be more than one
+// height.
+ function ensureLineHeights(cm, lineView, rect) {
+ var wrapping = cm.options.lineWrapping
+ var curWidth = wrapping && displayWidth(cm)
+ if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
+ var heights = lineView.measure.heights = []
+ if (wrapping) {
+ lineView.measure.width = curWidth
+ var rects = lineView.text.firstChild.getClientRects()
+ for (var i = 0; i < rects.length - 1; i++) {
+ var cur = rects[i], next = rects[i + 1]
+ if (Math.abs(cur.bottom - next.bottom) > 2)
+ { heights.push((cur.bottom + next.top) / 2 - rect.top) }
+ }
+ }
+ heights.push(rect.bottom - rect.top)
+ }
+ }
+
+// Find a line map (mapping character offsets to text nodes) and a
+// measurement cache for the given line number. (A line view might
+// contain multiple lines when collapsed ranges are present.)
+ function mapFromLineView(lineView, line, lineN) {
+ if (lineView.line == line)
+ { return {map: lineView.measure.map, cache: lineView.measure.cache} }
+ for (var i = 0; i < lineView.rest.length; i++)
+ { if (lineView.rest[i] == line)
+ { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }
+ for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)
+ { if (lineNo(lineView.rest[i$1]) > lineN)
+ { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }
+ }
+
+// Render a line into the hidden node display.externalMeasured. Used
+// when measurement is needed for a line that's not in the viewport.
+ function updateExternalMeasurement(cm, line) {
+ line = visualLine(line)
+ var lineN = lineNo(line)
+ var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN)
+ view.lineN = lineN
+ var built = view.built = buildLineContent(cm, view)
+ view.text = built.pre
+ removeChildrenAndAdd(cm.display.lineMeasure, built.pre)
+ return view
+ }
+
+// Get a {top, bottom, left, right} box (in line-local coordinates)
+// for a given character.
+ function measureChar(cm, line, ch, bias) {
+ return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)
+ }
+
+// Find a line view that corresponds to the given line number.
+ function findViewForLine(cm, lineN) {
+ if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
+ { return cm.display.view[findViewIndex(cm, lineN)] }
+ var ext = cm.display.externalMeasured
+ if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
+ { return ext }
+ }
+
+// Measurement can be split in two steps, the set-up work that
+// applies to the whole line, and the measurement of the actual
+// character. Functions like coordsChar, that need to do a lot of
+// measurements in a row, can thus ensure that the set-up work is
+// only done once.
+ function prepareMeasureForLine(cm, line) {
+ var lineN = lineNo(line)
+ var view = findViewForLine(cm, lineN)
+ if (view && !view.text) {
+ view = null
+ } else if (view && view.changes) {
+ updateLineForChanges(cm, view, lineN, getDimensions(cm))
+ cm.curOp.forceUpdate = true
+ }
+ if (!view)
+ { view = updateExternalMeasurement(cm, line) }
+
+ var info = mapFromLineView(view, line, lineN)
+ return {
+ line: line, view: view, rect: null,
+ map: info.map, cache: info.cache, before: info.before,
+ hasHeights: false
+ }
+ }
+
+// Given a prepared measurement object, measures the position of an
+// actual character (or fetches it from the cache).
+ function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
+ if (prepared.before) { ch = -1 }
+ var key = ch + (bias || ""), found
+ if (prepared.cache.hasOwnProperty(key)) {
+ found = prepared.cache[key]
+ } else {
+ if (!prepared.rect)
+ { prepared.rect = prepared.view.text.getBoundingClientRect() }
+ if (!prepared.hasHeights) {
+ ensureLineHeights(cm, prepared.view, prepared.rect)
+ prepared.hasHeights = true
+ }
+ found = measureCharInner(cm, prepared, ch, bias)
+ if (!found.bogus) { prepared.cache[key] = found }
+ }
+ return {left: found.left, right: found.right,
+ top: varHeight ? found.rtop : found.top,
+ bottom: varHeight ? found.rbottom : found.bottom}
+ }
+
+ var nullRect = {left: 0, right: 0, top: 0, bottom: 0}
+
+ function nodeAndOffsetInLineMap(map, ch, bias) {
+ var node, start, end, collapse, mStart, mEnd
+ // First, search the line map for the text node corresponding to,
+ // or closest to, the target character.
+ for (var i = 0; i < map.length; i += 3) {
+ mStart = map[i]
+ mEnd = map[i + 1]
+ if (ch < mStart) {
+ start = 0; end = 1
+ collapse = "left"
+ } else if (ch < mEnd) {
+ start = ch - mStart
+ end = start + 1
+ } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {
+ end = mEnd - mStart
+ start = end - 1
+ if (ch >= mEnd) { collapse = "right" }
+ }
+ if (start != null) {
+ node = map[i + 2]
+ if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
+ { collapse = bias }
+ if (bias == "left" && start == 0)
+ { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
+ node = map[(i -= 3) + 2]
+ collapse = "left"
+ } }
+ if (bias == "right" && start == mEnd - mStart)
+ { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
+ node = map[(i += 3) + 2]
+ collapse = "right"
+ } }
+ break
+ }
+ }
+ return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}
+ }
+
+ function getUsefulRect(rects, bias) {
+ var rect = nullRect
+ if (bias == "left") { for (var i = 0; i < rects.length; i++) {
+ if ((rect = rects[i]).left != rect.right) { break }
+ } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {
+ if ((rect = rects[i$1]).left != rect.right) { break }
+ } }
+ return rect
+ }
+
+ function measureCharInner(cm, prepared, ch, bias) {
+ var place = nodeAndOffsetInLineMap(prepared.map, ch, bias)
+ var node = place.node, start = place.start, end = place.end, collapse = place.collapse
+
+ var rect
+ if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
+ for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned
+ while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start }
+ while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end }
+ if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
+ { rect = node.parentNode.getBoundingClientRect() }
+ else
+ { rect = getUsefulRect(range(node, start, end).getClientRects(), bias) }
+ if (rect.left || rect.right || start == 0) { break }
+ end = start
+ start = start - 1
+ collapse = "right"
+ }
+ if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect) }
+ } else { // If it is a widget, simply get the box for the whole widget.
+ if (start > 0) { collapse = bias = "right" }
+ var rects
+ if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
+ { rect = rects[bias == "right" ? rects.length - 1 : 0] }
+ else
+ { rect = node.getBoundingClientRect() }
+ }
+ if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
+ var rSpan = node.parentNode.getClientRects()[0]
+ if (rSpan)
+ { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom} }
+ else
+ { rect = nullRect }
+ }
+
+ var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top
+ var mid = (rtop + rbot) / 2
+ var heights = prepared.view.measure.heights
+ var i = 0
+ for (; i < heights.length - 1; i++)
+ { if (mid < heights[i]) { break } }
+ var top = i ? heights[i - 1] : 0, bot = heights[i]
+ var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
+ right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
+ top: top, bottom: bot}
+ if (!rect.left && !rect.right) { result.bogus = true }
+ if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot }
+
+ return result
+ }
+
+// Work around problem with bounding client rects on ranges being
+// returned incorrectly when zoomed on IE10 and below.
+ function maybeUpdateRectForZooming(measure, rect) {
+ if (!window.screen || screen.logicalXDPI == null ||
+ screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
+ { return rect }
+ var scaleX = screen.logicalXDPI / screen.deviceXDPI
+ var scaleY = screen.logicalYDPI / screen.deviceYDPI
+ return {left: rect.left * scaleX, right: rect.right * scaleX,
+ top: rect.top * scaleY, bottom: rect.bottom * scaleY}
+ }
+
+ function clearLineMeasurementCacheFor(lineView) {
+ if (lineView.measure) {
+ lineView.measure.cache = {}
+ lineView.measure.heights = null
+ if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+ { lineView.measure.caches[i] = {} } }
+ }
+ }
+
+ function clearLineMeasurementCache(cm) {
+ cm.display.externalMeasure = null
+ removeChildren(cm.display.lineMeasure)
+ for (var i = 0; i < cm.display.view.length; i++)
+ { clearLineMeasurementCacheFor(cm.display.view[i]) }
+ }
+
+ function clearCaches(cm) {
+ clearLineMeasurementCache(cm)
+ cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null
+ if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true }
+ cm.display.lineNumChars = null
+ }
+
+ function pageScrollX() {
+ // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206
+ // which causes page_Offset and bounding client rects to use
+ // different reference viewports and invalidate our calculations.
+ if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }
+ return window.pageXOffset || (document.documentElement || document.body).scrollLeft
+ }
+ function pageScrollY() {
+ if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }
+ return window.pageYOffset || (document.documentElement || document.body).scrollTop
+ }
+
+ function widgetTopHeight(lineObj) {
+ var height = 0
+ if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)
+ { height += widgetHeight(lineObj.widgets[i]) } } }
+ return height
+ }
+
+// Converts a {top, bottom, left, right} box from line-local
+// coordinates into another coordinate system. Context may be one of
+// "line", "div" (display.lineDiv), "local"./null (editor), "window",
+// or "page".
+ function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
+ if (!includeWidgets) {
+ var height = widgetTopHeight(lineObj)
+ rect.top += height; rect.bottom += height
+ }
+ if (context == "line") { return rect }
+ if (!context) { context = "local" }
+ var yOff = heightAtLine(lineObj)
+ if (context == "local") { yOff += paddingTop(cm.display) }
+ else { yOff -= cm.display.viewOffset }
+ if (context == "page" || context == "window") {
+ var lOff = cm.display.lineSpace.getBoundingClientRect()
+ yOff += lOff.top + (context == "window" ? 0 : pageScrollY())
+ var xOff = lOff.left + (context == "window" ? 0 : pageScrollX())
+ rect.left += xOff; rect.right += xOff
+ }
+ rect.top += yOff; rect.bottom += yOff
+ return rect
+ }
+
+// Coverts a box from "div" coords to another coordinate system.
+// Context may be "window", "page", "div", or "local"./null.
+ function fromCoordSystem(cm, coords, context) {
+ if (context == "div") { return coords }
+ var left = coords.left, top = coords.top
+ // First move into "page" coordinate system
+ if (context == "page") {
+ left -= pageScrollX()
+ top -= pageScrollY()
+ } else if (context == "local" || !context) {
+ var localBox = cm.display.sizer.getBoundingClientRect()
+ left += localBox.left
+ top += localBox.top
+ }
+
+ var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect()
+ return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}
+ }
+
+ function charCoords(cm, pos, context, lineObj, bias) {
+ if (!lineObj) { lineObj = getLine(cm.doc, pos.line) }
+ return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)
+ }
+
+// Returns a box for a given cursor position, which may have an
+// 'other' property containing the position of the secondary cursor
+// on a bidi boundary.
+// A cursor Pos(line, char, "before") is on the same visual line as `char - 1`
+// and after `char - 1` in writing order of `char - 1`
+// A cursor Pos(line, char, "after") is on the same visual line as `char`
+// and before `char` in writing order of `char`
+// Examples (upper-case letters are RTL, lower-case are LTR):
+// Pos(0, 1, ...)
+// before after
+// ab a|b a|b
+// aB a|B aB|
+// Ab |Ab A|b
+// AB B|A B|A
+// Every position after the last character on a line is considered to stick
+// to the last character on the line.
+ function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
+ lineObj = lineObj || getLine(cm.doc, pos.line)
+ if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj) }
+ function get(ch, right) {
+ var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight)
+ if (right) { m.left = m.right; } else { m.right = m.left }
+ return intoCoordSystem(cm, lineObj, m, context)
+ }
+ var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky
+ if (ch >= lineObj.text.length) {
+ ch = lineObj.text.length
+ sticky = "before"
+ } else if (ch <= 0) {
+ ch = 0
+ sticky = "after"
+ }
+ if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }
+
+ function getBidi(ch, partPos, invert) {
+ var part = order[partPos], right = part.level == 1
+ return get(invert ? ch - 1 : ch, right != invert)
+ }
+ var partPos = getBidiPartAt(order, ch, sticky)
+ var other = bidiOther
+ var val = getBidi(ch, partPos, sticky == "before")
+ if (other != null) { val.other = getBidi(ch, other, sticky != "before") }
+ return val
+ }
+
+// Used to cheaply estimate the coordinates for a position. Used for
+// intermediate scroll updates.
+ function estimateCoords(cm, pos) {
+ var left = 0
+ pos = clipPos(cm.doc, pos)
+ if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch }
+ var lineObj = getLine(cm.doc, pos.line)
+ var top = heightAtLine(lineObj) + paddingTop(cm.display)
+ return {left: left, right: left, top: top, bottom: top + lineObj.height}
+ }
+
+// Positions returned by coordsChar contain some extra information.
+// xRel is the relative x position of the input coordinates compared
+// to the found position (so xRel > 0 means the coordinates are to
+// the right of the character position, for example). When outside
+// is true, that means the coordinates lie outside the line's
+// vertical range.
+ function PosWithInfo(line, ch, sticky, outside, xRel) {
+ var pos = Pos(line, ch, sticky)
+ pos.xRel = xRel
+ if (outside) { pos.outside = true }
+ return pos
+ }
+
+// Compute the character position closest to the given coordinates.
+// Input must be lineSpace-local ("div" coordinate system).
+ function coordsChar(cm, x, y) {
+ var doc = cm.doc
+ y += cm.display.viewOffset
+ if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) }
+ var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1
+ if (lineN > last)
+ { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) }
+ if (x < 0) { x = 0 }
+
+ var lineObj = getLine(doc, lineN)
+ for (;;) {
+ var found = coordsCharInner(cm, lineObj, lineN, x, y)
+ var merged = collapsedSpanAtEnd(lineObj)
+ var mergedPos = merged && merged.find(0, true)
+ if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
+ { lineN = lineNo(lineObj = mergedPos.to.line) }
+ else
+ { return found }
+ }
+ }
+
+ function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
+ y -= widgetTopHeight(lineObj)
+ var end = lineObj.text.length
+ var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0)
+ end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end)
+ return {begin: begin, end: end}
+ }
+
+ function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
+ if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj) }
+ var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top
+ return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)
+ }
+
+// Returns true if the given side of a box is after the given
+// coordinates, in top-to-bottom, left-to-right order.
+ function boxIsAfter(box, x, y, left) {
+ return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x
+ }
+
+ function coordsCharInner(cm, lineObj, lineNo, x, y) {
+ // Move y into line-local coordinate space
+ y -= heightAtLine(lineObj)
+ var preparedMeasure = prepareMeasureForLine(cm, lineObj)
+ // When directly calling `measureCharPrepared`, we have to adjust
+ // for the widgets at this line.
+ var widgetHeight = widgetTopHeight(lineObj)
+ var begin = 0, end = lineObj.text.length, ltr = true
+
+ var order = getOrder(lineObj, cm.doc.direction)
+ // If the line isn't plain left-to-right text, first figure out
+ // which bidi section the coordinates fall into.
+ if (order) {
+ var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)
+ (cm, lineObj, lineNo, preparedMeasure, order, x, y)
+ ltr = part.level != 1
+ // The awkward -1 offsets are needed because findFirst (called
+ // on these below) will treat its first bound as inclusive,
+ // second as exclusive, but we want to actually address the
+ // characters in the part's range
+ begin = ltr ? part.from : part.to - 1
+ end = ltr ? part.to : part.from - 1
+ }
+
+ // A binary search to find the first character whose bounding box
+ // starts after the coordinates. If we run across any whose box wrap
+ // the coordinates, store that.
+ var chAround = null, boxAround = null
+ var ch = findFirst(function (ch) {
+ var box = measureCharPrepared(cm, preparedMeasure, ch)
+ box.top += widgetHeight; box.bottom += widgetHeight
+ if (!boxIsAfter(box, x, y, false)) { return false }
+ if (box.top <= y && box.left <= x) {
+ chAround = ch
+ boxAround = box
+ }
+ return true
+ }, begin, end)
+
+ var baseX, sticky, outside = false
+ // If a box around the coordinates was found, use that
+ if (boxAround) {
+ // Distinguish coordinates nearer to the left or right side of the box
+ var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr
+ ch = chAround + (atStart ? 0 : 1)
+ sticky = atStart ? "after" : "before"
+ baseX = atLeft ? boxAround.left : boxAround.right
+ } else {
+ // (Adjust for extended bound, if necessary.)
+ if (!ltr && (ch == end || ch == begin)) { ch++ }
+ // To determine which side to associate with, get the box to the
+ // left of the character and compare it's vertical position to the
+ // coordinates
+ sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :
+ (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight <= y) == ltr ?
+ "after" : "before"
+ // Now get accurate coordinates for this place, in order to get a
+ // base X position
+ var coords = cursorCoords(cm, Pos(lineNo, ch, sticky), "line", lineObj, preparedMeasure)
+ baseX = coords.left
+ outside = y < coords.top || y >= coords.bottom
+ }
+
+ ch = skipExtendingChars(lineObj.text, ch, 1)
+ return PosWithInfo(lineNo, ch, sticky, outside, x - baseX)
+ }
+
+ function coordsBidiPart(cm, lineObj, lineNo, preparedMeasure, order, x, y) {
+ // Bidi parts are sorted left-to-right, and in a non-line-wrapping
+ // situation, we can take this ordering to correspond to the visual
+ // ordering. This finds the first part whose end is after the given
+ // coordinates.
+ var index = findFirst(function (i) {
+ var part = order[i], ltr = part.level != 1
+ return boxIsAfter(cursorCoords(cm, Pos(lineNo, ltr ? part.to : part.from, ltr ? "before" : "after"),
+ "line", lineObj, preparedMeasure), x, y, true)
+ }, 0, order.length - 1)
+ var part = order[index]
+ // If this isn't the first part, the part's start is also after
+ // the coordinates, and the coordinates aren't on the same line as
+ // that start, move one part back.
+ if (index > 0) {
+ var ltr = part.level != 1
+ var start = cursorCoords(cm, Pos(lineNo, ltr ? part.from : part.to, ltr ? "after" : "before"),
+ "line", lineObj, preparedMeasure)
+ if (boxIsAfter(start, x, y, true) && start.top > y)
+ { part = order[index - 1] }
+ }
+ return part
+ }
+
+ function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {
+ // In a wrapped line, rtl text on wrapping boundaries can do things
+ // that don't correspond to the ordering in our `order` array at
+ // all, so a binary search doesn't work, and we want to return a
+ // part that only spans one line so that the binary search in
+ // coordsCharInner is safe. As such, we first find the extent of the
+ // wrapped line, and then do a flat search in which we discard any
+ // spans that aren't on the line.
+ var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);
+ var begin = ref.begin;
+ var end = ref.end;
+ if (/\s/.test(lineObj.text.charAt(end - 1))) { end-- }
+ var part = null, closestDist = null
+ for (var i = 0; i < order.length; i++) {
+ var p = order[i]
+ if (p.from >= end || p.to <= begin) { continue }
+ var ltr = p.level != 1
+ var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right
+ // Weigh against spans ending before this, so that they are only
+ // picked if nothing ends after
+ var dist = endX < x ? x - endX + 1e9 : endX - x
+ if (!part || closestDist > dist) {
+ part = p
+ closestDist = dist
+ }
+ }
+ if (!part) { part = order[order.length - 1] }
+ // Clip the part to the wrapped line.
+ if (part.from < begin) { part = {from: begin, to: part.to, level: part.level} }
+ if (part.to > end) { part = {from: part.from, to: end, level: part.level} }
+ return part
+ }
+
+ var measureText
+// Compute the default text height.
+ function textHeight(display) {
+ if (display.cachedTextHeight != null) { return display.cachedTextHeight }
+ if (measureText == null) {
+ measureText = elt("pre")
+ // Measure a bunch of lines, for browsers that compute
+ // fractional heights.
+ for (var i = 0; i < 49; ++i) {
+ measureText.appendChild(document.createTextNode("x"))
+ measureText.appendChild(elt("br"))
+ }
+ measureText.appendChild(document.createTextNode("x"))
+ }
+ removeChildrenAndAdd(display.measure, measureText)
+ var height = measureText.offsetHeight / 50
+ if (height > 3) { display.cachedTextHeight = height }
+ removeChildren(display.measure)
+ return height || 1
+ }
+
+// Compute the default character width.
+ function charWidth(display) {
+ if (display.cachedCharWidth != null) { return display.cachedCharWidth }
+ var anchor = elt("span", "xxxxxxxxxx")
+ var pre = elt("pre", [anchor])
+ removeChildrenAndAdd(display.measure, pre)
+ var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10
+ if (width > 2) { display.cachedCharWidth = width }
+ return width || 10
+ }
+
+// Do a bulk-read of the DOM positions and sizes needed to draw the
+// view, so that we don't interleave reading and writing to the DOM.
+ function getDimensions(cm) {
+ var d = cm.display, left = {}, width = {}
+ var gutterLeft = d.gutters.clientLeft
+ for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
+ left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft
+ width[cm.options.gutters[i]] = n.clientWidth
+ }
+ return {fixedPos: compensateForHScroll(d),
+ gutterTotalWidth: d.gutters.offsetWidth,
+ gutterLeft: left,
+ gutterWidth: width,
+ wrapperWidth: d.wrapper.clientWidth}
+ }
+
+// Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
+// but using getBoundingClientRect to get a sub-pixel-accurate
+// result.
+ function compensateForHScroll(display) {
+ return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left
+ }
+
+// Returns a function that estimates the height of a line, to use as
+// first approximation until the line becomes visible (and is thus
+// properly measurable).
+ function estimateHeight(cm) {
+ var th = textHeight(cm.display), wrapping = cm.options.lineWrapping
+ var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3)
+ return function (line) {
+ if (lineIsHidden(cm.doc, line)) { return 0 }
+
+ var widgetsHeight = 0
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {
+ if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height }
+ } }
+
+ if (wrapping)
+ { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }
+ else
+ { return widgetsHeight + th }
+ }
+ }
+
+ function estimateLineHeights(cm) {
+ var doc = cm.doc, est = estimateHeight(cm)
+ doc.iter(function (line) {
+ var estHeight = est(line)
+ if (estHeight != line.height) { updateLineHeight(line, estHeight) }
+ })
+ }
+
+// Given a mouse event, find the corresponding position. If liberal
+// is false, it checks whether a gutter or scrollbar was clicked,
+// and returns null if it was. forRect is used by rectangular
+// selections, and tries to estimate a character position even for
+// coordinates beyond the right of the text.
+ function posFromMouse(cm, e, liberal, forRect) {
+ var display = cm.display
+ if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }
+
+ var x, y, space = display.lineSpace.getBoundingClientRect()
+ // Fails unpredictably on IE[67] when mouse is dragged around quickly.
+ try { x = e.clientX - space.left; y = e.clientY - space.top }
+ catch (e) { return null }
+ var coords = coordsChar(cm, x, y), line
+ if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
+ var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length
+ coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff))
+ }
+ return coords
+ }
+
+// Find the view element corresponding to a given line. Return null
+// when the line isn't visible.
+ function findViewIndex(cm, n) {
+ if (n >= cm.display.viewTo) { return null }
+ n -= cm.display.viewFrom
+ if (n < 0) { return null }
+ var view = cm.display.view
+ for (var i = 0; i < view.length; i++) {
+ n -= view[i].size
+ if (n < 0) { return i }
+ }
+ }
+
+ function updateSelection(cm) {
+ cm.display.input.showSelection(cm.display.input.prepareSelection())
+ }
+
+ function prepareSelection(cm, primary) {
+ if ( primary === void 0 ) primary = true;
+
+ var doc = cm.doc, result = {}
+ var curFragment = result.cursors = document.createDocumentFragment()
+ var selFragment = result.selection = document.createDocumentFragment()
+
+ for (var i = 0; i < doc.sel.ranges.length; i++) {
+ if (!primary && i == doc.sel.primIndex) { continue }
+ var range = doc.sel.ranges[i]
+ if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue }
+ var collapsed = range.empty()
+ if (collapsed || cm.options.showCursorWhenSelecting)
+ { drawSelectionCursor(cm, range.head, curFragment) }
+ if (!collapsed)
+ { drawSelectionRange(cm, range, selFragment) }
+ }
+ return result
+ }
+
+// Draws a cursor for the given range
+ function drawSelectionCursor(cm, head, output) {
+ var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine)
+
+ var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"))
+ cursor.style.left = pos.left + "px"
+ cursor.style.top = pos.top + "px"
+ cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"
+
+ if (pos.other) {
+ // Secondary cursor, shown when on a 'jump' in bi-directional text
+ var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"))
+ otherCursor.style.display = ""
+ otherCursor.style.left = pos.other.left + "px"
+ otherCursor.style.top = pos.other.top + "px"
+ otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"
+ }
+ }
+
+ function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }
+
+// Draws the given range as a highlighted selection
+ function drawSelectionRange(cm, range, output) {
+ var display = cm.display, doc = cm.doc
+ var fragment = document.createDocumentFragment()
+ var padding = paddingH(cm.display), leftSide = padding.left
+ var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right
+ var docLTR = doc.direction == "ltr"
+
+ function add(left, top, width, bottom) {
+ if (top < 0) { top = 0 }
+ top = Math.round(top)
+ bottom = Math.round(bottom)
+ fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px")))
+ }
+
+ function drawForLine(line, fromArg, toArg) {
+ var lineObj = getLine(doc, line)
+ var lineLen = lineObj.text.length
+ var start, end
+ function coords(ch, bias) {
+ return charCoords(cm, Pos(line, ch), "div", lineObj, bias)
+ }
+
+ function wrapX(pos, dir, side) {
+ var extent = wrappedLineExtentChar(cm, lineObj, null, pos)
+ var prop = (dir == "ltr") == (side == "after") ? "left" : "right"
+ var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1)
+ return coords(ch, prop)[prop]
+ }
+
+ var order = getOrder(lineObj, doc.direction)
+ iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {
+ var ltr = dir == "ltr"
+ var fromPos = coords(from, ltr ? "left" : "right")
+ var toPos = coords(to - 1, ltr ? "right" : "left")
+
+ var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen
+ var first = i == 0, last = !order || i == order.length - 1
+ if (toPos.top - fromPos.top <= 3) { // Single line
+ var openLeft = (docLTR ? openStart : openEnd) && first
+ var openRight = (docLTR ? openEnd : openStart) && last
+ var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left
+ var right = openRight ? rightSide : (ltr ? toPos : fromPos).right
+ add(left, fromPos.top, right - left, fromPos.bottom)
+ } else { // Multiple lines
+ var topLeft, topRight, botLeft, botRight
+ if (ltr) {
+ topLeft = docLTR && openStart && first ? leftSide : fromPos.left
+ topRight = docLTR ? rightSide : wrapX(from, dir, "before")
+ botLeft = docLTR ? leftSide : wrapX(to, dir, "after")
+ botRight = docLTR && openEnd && last ? rightSide : toPos.right
+ } else {
+ topLeft = !docLTR ? leftSide : wrapX(from, dir, "before")
+ topRight = !docLTR && openStart && first ? rightSide : fromPos.right
+ botLeft = !docLTR && openEnd && last ? leftSide : toPos.left
+ botRight = !docLTR ? rightSide : wrapX(to, dir, "after")
+ }
+ add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom)
+ if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top) }
+ add(botLeft, toPos.top, botRight - botLeft, toPos.bottom)
+ }
+
+ if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos }
+ if (cmpCoords(toPos, start) < 0) { start = toPos }
+ if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos }
+ if (cmpCoords(toPos, end) < 0) { end = toPos }
+ })
+ return {start: start, end: end}
+ }
+
+ var sFrom = range.from(), sTo = range.to()
+ if (sFrom.line == sTo.line) {
+ drawForLine(sFrom.line, sFrom.ch, sTo.ch)
+ } else {
+ var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line)
+ var singleVLine = visualLine(fromLine) == visualLine(toLine)
+ var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end
+ var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start
+ if (singleVLine) {
+ if (leftEnd.top < rightStart.top - 2) {
+ add(leftEnd.right, leftEnd.top, null, leftEnd.bottom)
+ add(leftSide, rightStart.top, rightStart.left, rightStart.bottom)
+ } else {
+ add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom)
+ }
+ }
+ if (leftEnd.bottom < rightStart.top)
+ { add(leftSide, leftEnd.bottom, null, rightStart.top) }
+ }
+
+ output.appendChild(fragment)
+ }
+
+// Cursor-blinking
+ function restartBlink(cm) {
+ if (!cm.state.focused) { return }
+ var display = cm.display
+ clearInterval(display.blinker)
+ var on = true
+ display.cursorDiv.style.visibility = ""
+ if (cm.options.cursorBlinkRate > 0)
+ { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; },
+ cm.options.cursorBlinkRate) }
+ else if (cm.options.cursorBlinkRate < 0)
+ { display.cursorDiv.style.visibility = "hidden" }
+ }
+
+ function ensureFocus(cm) {
+ if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm) }
+ }
+
+ function delayBlurEvent(cm) {
+ cm.state.delayingBlurEvent = true
+ setTimeout(function () { if (cm.state.delayingBlurEvent) {
+ cm.state.delayingBlurEvent = false
+ onBlur(cm)
+ } }, 100)
+ }
+
+ function onFocus(cm, e) {
+ if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false }
+
+ if (cm.options.readOnly == "nocursor") { return }
+ if (!cm.state.focused) {
+ signal(cm, "focus", cm, e)
+ cm.state.focused = true
+ addClass(cm.display.wrapper, "CodeMirror-focused")
+ // This test prevents this from firing when a context
+ // menu is closed (since the input reset would kill the
+ // select-all detection hack)
+ if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
+ cm.display.input.reset()
+ if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20) } // Issue #1730
+ }
+ cm.display.input.receivedFocus()
+ }
+ restartBlink(cm)
+ }
+ function onBlur(cm, e) {
+ if (cm.state.delayingBlurEvent) { return }
+
+ if (cm.state.focused) {
+ signal(cm, "blur", cm, e)
+ cm.state.focused = false
+ rmClass(cm.display.wrapper, "CodeMirror-focused")
+ }
+ clearInterval(cm.display.blinker)
+ setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false } }, 150)
+ }
+
+// Read the actual heights of the rendered lines, and update their
+// stored heights to match.
+ function updateHeightsInViewport(cm) {
+ var display = cm.display
+ var prevBottom = display.lineDiv.offsetTop
+ for (var i = 0; i < display.view.length; i++) {
+ var cur = display.view[i], height = (void 0)
+ if (cur.hidden) { continue }
+ if (ie && ie_version < 8) {
+ var bot = cur.node.offsetTop + cur.node.offsetHeight
+ height = bot - prevBottom
+ prevBottom = bot
+ } else {
+ var box = cur.node.getBoundingClientRect()
+ height = box.bottom - box.top
+ }
+ var diff = cur.line.height - height
+ if (height < 2) { height = textHeight(display) }
+ if (diff > .005 || diff < -.005) {
+ updateLineHeight(cur.line, height)
+ updateWidgetHeight(cur.line)
+ if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)
+ { updateWidgetHeight(cur.rest[j]) } }
+ }
+ }
+ }
+
+// Read and store the height of line widgets associated with the
+// given line.
+ function updateWidgetHeight(line) {
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) {
+ var w = line.widgets[i], parent = w.node.parentNode
+ if (parent) { w.height = parent.offsetHeight }
+ } }
+ }
+
+// Compute the lines that are visible in a given viewport (defaults
+// the the current scroll position). viewport may contain top,
+// height, and ensure (see op.scrollToPos) properties.
+ function visibleLines(display, doc, viewport) {
+ var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop
+ top = Math.floor(top - paddingTop(display))
+ var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight
+
+ var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom)
+ // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
+ // forces those lines into the viewport (if possible).
+ if (viewport && viewport.ensure) {
+ var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line
+ if (ensureFrom < from) {
+ from = ensureFrom
+ to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight)
+ } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
+ from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight)
+ to = ensureTo
+ }
+ }
+ return {from: from, to: Math.max(to, from + 1)}
+ }
+
+// Re-align line numbers and gutter marks to compensate for
+// horizontal scrolling.
+ function alignHorizontally(cm) {
+ var display = cm.display, view = display.view
+ if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }
+ var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft
+ var gutterW = display.gutters.offsetWidth, left = comp + "px"
+ for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {
+ if (cm.options.fixedGutter) {
+ if (view[i].gutter)
+ { view[i].gutter.style.left = left }
+ if (view[i].gutterBackground)
+ { view[i].gutterBackground.style.left = left }
+ }
+ var align = view[i].alignable
+ if (align) { for (var j = 0; j < align.length; j++)
+ { align[j].style.left = left } }
+ } }
+ if (cm.options.fixedGutter)
+ { display.gutters.style.left = (comp + gutterW) + "px" }
+ }
+
+// Used to ensure that the line number gutter is still the right
+// size for the current document size. Returns true when an update
+// is needed.
+ function maybeUpdateLineNumberWidth(cm) {
+ if (!cm.options.lineNumbers) { return false }
+ var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display
+ if (last.length != display.lineNumChars) {
+ var test = display.measure.appendChild(elt("div", [elt("div", last)],
+ "CodeMirror-linenumber CodeMirror-gutter-elt"))
+ var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW
+ display.lineGutter.style.width = ""
+ display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1
+ display.lineNumWidth = display.lineNumInnerWidth + padding
+ display.lineNumChars = display.lineNumInnerWidth ? last.length : -1
+ display.lineGutter.style.width = display.lineNumWidth + "px"
+ updateGutterSpace(cm)
+ return true
+ }
+ return false
+ }
+
+// SCROLLING THINGS INTO VIEW
+
+// If an editor sits on the top or bottom of the window, partially
+// scrolled out of view, this ensures that the cursor is visible.
+ function maybeScrollWindow(cm, rect) {
+ if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }
+
+ var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null
+ if (rect.top + box.top < 0) { doScroll = true }
+ else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false }
+ if (doScroll != null && !phantom) {
+ var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"))
+ cm.display.lineSpace.appendChild(scrollNode)
+ scrollNode.scrollIntoView(doScroll)
+ cm.display.lineSpace.removeChild(scrollNode)
+ }
+ }
+
+// Scroll a given position into view (immediately), verifying that
+// it actually became visible (as line heights are accurately
+// measured, the position of something may 'drift' during drawing).
+ function scrollPosIntoView(cm, pos, end, margin) {
+ if (margin == null) { margin = 0 }
+ var rect
+ if (!cm.options.lineWrapping && pos == end) {
+ // Set pos and end to the cursor positions around the character pos sticks to
+ // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch
+ // If pos == Pos(_, 0, "before"), pos and end are unchanged
+ pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos
+ end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos
+ }
+ for (var limit = 0; limit < 5; limit++) {
+ var changed = false
+ var coords = cursorCoords(cm, pos)
+ var endCoords = !end || end == pos ? coords : cursorCoords(cm, end)
+ rect = {left: Math.min(coords.left, endCoords.left),
+ top: Math.min(coords.top, endCoords.top) - margin,
+ right: Math.max(coords.left, endCoords.left),
+ bottom: Math.max(coords.bottom, endCoords.bottom) + margin}
+ var scrollPos = calculateScrollPos(cm, rect)
+ var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft
+ if (scrollPos.scrollTop != null) {
+ updateScrollTop(cm, scrollPos.scrollTop)
+ if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true }
+ }
+ if (scrollPos.scrollLeft != null) {
+ setScrollLeft(cm, scrollPos.scrollLeft)
+ if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true }
+ }
+ if (!changed) { break }
+ }
+ return rect
+ }
+
+// Scroll a given set of coordinates into view (immediately).
+ function scrollIntoView(cm, rect) {
+ var scrollPos = calculateScrollPos(cm, rect)
+ if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop) }
+ if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft) }
+ }
+
+// Calculate a new scroll position needed to scroll the given
+// rectangle into view. Returns an object with scrollTop and
+// scrollLeft properties. When these are undefined, the
+// vertical/horizontal position does not need to be adjusted.
+ function calculateScrollPos(cm, rect) {
+ var display = cm.display, snapMargin = textHeight(cm.display)
+ if (rect.top < 0) { rect.top = 0 }
+ var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop
+ var screen = displayHeight(cm), result = {}
+ if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen }
+ var docBottom = cm.doc.height + paddingVert(display)
+ var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin
+ if (rect.top < screentop) {
+ result.scrollTop = atTop ? 0 : rect.top
+ } else if (rect.bottom > screentop + screen) {
+ var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen)
+ if (newTop != screentop) { result.scrollTop = newTop }
+ }
+
+ var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft
+ var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0)
+ var tooWide = rect.right - rect.left > screenw
+ if (tooWide) { rect.right = rect.left + screenw }
+ if (rect.left < 10)
+ { result.scrollLeft = 0 }
+ else if (rect.left < screenleft)
+ { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)) }
+ else if (rect.right > screenw + screenleft - 3)
+ { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw }
+ return result
+ }
+
+// Store a relative adjustment to the scroll position in the current
+// operation (to be applied when the operation finishes).
+ function addToScrollTop(cm, top) {
+ if (top == null) { return }
+ resolveScrollToPos(cm)
+ cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top
+ }
+
+// Make sure that at the end of the operation the current cursor is
+// shown.
+ function ensureCursorVisible(cm) {
+ resolveScrollToPos(cm)
+ var cur = cm.getCursor()
+ cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin}
+ }
+
+ function scrollToCoords(cm, x, y) {
+ if (x != null || y != null) { resolveScrollToPos(cm) }
+ if (x != null) { cm.curOp.scrollLeft = x }
+ if (y != null) { cm.curOp.scrollTop = y }
+ }
+
+ function scrollToRange(cm, range) {
+ resolveScrollToPos(cm)
+ cm.curOp.scrollToPos = range
+ }
+
+// When an operation has its scrollToPos property set, and another
+// scroll action is applied before the end of the operation, this
+// 'simulates' scrolling that position into view in a cheap way, so
+// that the effect of intermediate scroll commands is not ignored.
+ function resolveScrollToPos(cm) {
+ var range = cm.curOp.scrollToPos
+ if (range) {
+ cm.curOp.scrollToPos = null
+ var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to)
+ scrollToCoordsRange(cm, from, to, range.margin)
+ }
+ }
+
+ function scrollToCoordsRange(cm, from, to, margin) {
+ var sPos = calculateScrollPos(cm, {
+ left: Math.min(from.left, to.left),
+ top: Math.min(from.top, to.top) - margin,
+ right: Math.max(from.right, to.right),
+ bottom: Math.max(from.bottom, to.bottom) + margin
+ })
+ scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop)
+ }
+
+// Sync the scrollable area and scrollbars, ensure the viewport
+// covers the visible area.
+ function updateScrollTop(cm, val) {
+ if (Math.abs(cm.doc.scrollTop - val) < 2) { return }
+ if (!gecko) { updateDisplaySimple(cm, {top: val}) }
+ setScrollTop(cm, val, true)
+ if (gecko) { updateDisplaySimple(cm) }
+ startWorker(cm, 100)
+ }
+
+ function setScrollTop(cm, val, forceScroll) {
+ val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val)
+ if (cm.display.scroller.scrollTop == val && !forceScroll) { return }
+ cm.doc.scrollTop = val
+ cm.display.scrollbars.setScrollTop(val)
+ if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val }
+ }
+
+// Sync scroller and scrollbar, ensure the gutter elements are
+// aligned.
+ function setScrollLeft(cm, val, isScroller, forceScroll) {
+ val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth)
+ if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }
+ cm.doc.scrollLeft = val
+ alignHorizontally(cm)
+ if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val }
+ cm.display.scrollbars.setScrollLeft(val)
+ }
+
+// SCROLLBARS
+
+// Prepare DOM reads needed to update the scrollbars. Done in one
+// shot to minimize update/measure roundtrips.
+ function measureForScrollbars(cm) {
+ var d = cm.display, gutterW = d.gutters.offsetWidth
+ var docH = Math.round(cm.doc.height + paddingVert(cm.display))
+ return {
+ clientHeight: d.scroller.clientHeight,
+ viewHeight: d.wrapper.clientHeight,
+ scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
+ viewWidth: d.wrapper.clientWidth,
+ barLeft: cm.options.fixedGutter ? gutterW : 0,
+ docHeight: docH,
+ scrollHeight: docH + scrollGap(cm) + d.barHeight,
+ nativeBarWidth: d.nativeBarWidth,
+ gutterWidth: gutterW
+ }
+ }
+
+ var NativeScrollbars = function(place, scroll, cm) {
+ this.cm = cm
+ var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar")
+ var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar")
+ place(vert); place(horiz)
+
+ on(vert, "scroll", function () {
+ if (vert.clientHeight) { scroll(vert.scrollTop, "vertical") }
+ })
+ on(horiz, "scroll", function () {
+ if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal") }
+ })
+
+ this.checkedZeroWidth = false
+ // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
+ if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px" }
+ };
+
+ NativeScrollbars.prototype.update = function (measure) {
+ var needsH = measure.scrollWidth > measure.clientWidth + 1
+ var needsV = measure.scrollHeight > measure.clientHeight + 1
+ var sWidth = measure.nativeBarWidth
+
+ if (needsV) {
+ this.vert.style.display = "block"
+ this.vert.style.bottom = needsH ? sWidth + "px" : "0"
+ var totalHeight = measure.viewHeight - (needsH ? sWidth : 0)
+ // A bug in IE8 can cause this value to be negative, so guard it.
+ this.vert.firstChild.style.height =
+ Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"
+ } else {
+ this.vert.style.display = ""
+ this.vert.firstChild.style.height = "0"
+ }
+
+ if (needsH) {
+ this.horiz.style.display = "block"
+ this.horiz.style.right = needsV ? sWidth + "px" : "0"
+ this.horiz.style.left = measure.barLeft + "px"
+ var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0)
+ this.horiz.firstChild.style.width =
+ Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px"
+ } else {
+ this.horiz.style.display = ""
+ this.horiz.firstChild.style.width = "0"
+ }
+
+ if (!this.checkedZeroWidth && measure.clientHeight > 0) {
+ if (sWidth == 0) { this.zeroWidthHack() }
+ this.checkedZeroWidth = true
+ }
+
+ return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}
+ };
+
+ NativeScrollbars.prototype.setScrollLeft = function (pos) {
+ if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos }
+ if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz") }
+ };
+
+ NativeScrollbars.prototype.setScrollTop = function (pos) {
+ if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos }
+ if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert") }
+ };
+
+ NativeScrollbars.prototype.zeroWidthHack = function () {
+ var w = mac && !mac_geMountainLion ? "12px" : "18px"
+ this.horiz.style.height = this.vert.style.width = w
+ this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"
+ this.disableHoriz = new Delayed
+ this.disableVert = new Delayed
+ };
+
+ NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {
+ bar.style.pointerEvents = "auto"
+ function maybeDisable() {
+ // To find out whether the scrollbar is still visible, we
+ // check whether the element under the pixel in the bottom
+ // right corner of the scrollbar box is the scrollbar box
+ // itself (when the bar is still visible) or its filler child
+ // (when the bar is hidden). If it is still visible, we keep
+ // it enabled, if it's hidden, we disable pointer events.
+ var box = bar.getBoundingClientRect()
+ var elt = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)
+ : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1)
+ if (elt != bar) { bar.style.pointerEvents = "none" }
+ else { delay.set(1000, maybeDisable) }
+ }
+ delay.set(1000, maybeDisable)
+ };
+
+ NativeScrollbars.prototype.clear = function () {
+ var parent = this.horiz.parentNode
+ parent.removeChild(this.horiz)
+ parent.removeChild(this.vert)
+ };
+
+ var NullScrollbars = function () {};
+
+ NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };
+ NullScrollbars.prototype.setScrollLeft = function () {};
+ NullScrollbars.prototype.setScrollTop = function () {};
+ NullScrollbars.prototype.clear = function () {};
+
+ function updateScrollbars(cm, measure) {
+ if (!measure) { measure = measureForScrollbars(cm) }
+ var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight
+ updateScrollbarsInner(cm, measure)
+ for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
+ if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
+ { updateHeightsInViewport(cm) }
+ updateScrollbarsInner(cm, measureForScrollbars(cm))
+ startWidth = cm.display.barWidth; startHeight = cm.display.barHeight
+ }
+ }
+
+// Re-synchronize the fake scrollbars with the actual size of the
+// content.
+ function updateScrollbarsInner(cm, measure) {
+ var d = cm.display
+ var sizes = d.scrollbars.update(measure)
+
+ d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"
+ d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"
+ d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent"
+
+ if (sizes.right && sizes.bottom) {
+ d.scrollbarFiller.style.display = "block"
+ d.scrollbarFiller.style.height = sizes.bottom + "px"
+ d.scrollbarFiller.style.width = sizes.right + "px"
+ } else { d.scrollbarFiller.style.display = "" }
+ if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
+ d.gutterFiller.style.display = "block"
+ d.gutterFiller.style.height = sizes.bottom + "px"
+ d.gutterFiller.style.width = measure.gutterWidth + "px"
+ } else { d.gutterFiller.style.display = "" }
+ }
+
+ var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}
+
+ function initScrollbars(cm) {
+ if (cm.display.scrollbars) {
+ cm.display.scrollbars.clear()
+ if (cm.display.scrollbars.addClass)
+ { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass) }
+ }
+
+ cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {
+ cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller)
+ // Prevent clicks in the scrollbars from killing focus
+ on(node, "mousedown", function () {
+ if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0) }
+ })
+ node.setAttribute("cm-not-content", "true")
+ }, function (pos, axis) {
+ if (axis == "horizontal") { setScrollLeft(cm, pos) }
+ else { updateScrollTop(cm, pos) }
+ }, cm)
+ if (cm.display.scrollbars.addClass)
+ { addClass(cm.display.wrapper, cm.display.scrollbars.addClass) }
+ }
+
+// Operations are used to wrap a series of changes to the editor
+// state in such a way that each change won't have to update the
+// cursor and display (which would be awkward, slow, and
+// error-prone). Instead, display updates are batched and then all
+// combined and executed at once.
+
+ var nextOpId = 0
+// Start a new operation.
+ function startOperation(cm) {
+ cm.curOp = {
+ cm: cm,
+ viewChanged: false, // Flag that indicates that lines might need to be redrawn
+ startHeight: cm.doc.height, // Used to detect need to update scrollbar
+ forceUpdate: false, // Used to force a redraw
+ updateInput: null, // Whether to reset the input textarea
+ typing: false, // Whether this reset should be careful to leave existing text (for compositing)
+ changeObjs: null, // Accumulated changes, for firing change events
+ cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
+ cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
+ selectionChanged: false, // Whether the selection needs to be redrawn
+ updateMaxLine: false, // Set when the widest line needs to be determined anew
+ scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
+ scrollToPos: null, // Used to scroll to a specific position
+ focus: false,
+ id: ++nextOpId // Unique ID
+ }
+ pushOperation(cm.curOp)
+ }
+
+// Finish an operation, updating the display and signalling delayed events
+ function endOperation(cm) {
+ var op = cm.curOp
+ finishOperation(op, function (group) {
+ for (var i = 0; i < group.ops.length; i++)
+ { group.ops[i].cm.curOp = null }
+ endOperations(group)
+ })
+ }
+
+// The DOM updates done when an operation finishes are batched so
+// that the minimum number of relayouts are required.
+ function endOperations(group) {
+ var ops = group.ops
+ for (var i = 0; i < ops.length; i++) // Read DOM
+ { endOperation_R1(ops[i]) }
+ for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)
+ { endOperation_W1(ops[i$1]) }
+ for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM
+ { endOperation_R2(ops[i$2]) }
+ for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)
+ { endOperation_W2(ops[i$3]) }
+ for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM
+ { endOperation_finish(ops[i$4]) }
+ }
+
+ function endOperation_R1(op) {
+ var cm = op.cm, display = cm.display
+ maybeClipScrollbars(cm)
+ if (op.updateMaxLine) { findMaxLine(cm) }
+
+ op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
+ op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
+ op.scrollToPos.to.line >= display.viewTo) ||
+ display.maxLineChanged && cm.options.lineWrapping
+ op.update = op.mustUpdate &&
+ new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate)
+ }
+
+ function endOperation_W1(op) {
+ op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update)
+ }
+
+ function endOperation_R2(op) {
+ var cm = op.cm, display = cm.display
+ if (op.updatedDisplay) { updateHeightsInViewport(cm) }
+
+ op.barMeasure = measureForScrollbars(cm)
+
+ // If the max line changed since it was last measured, measure it,
+ // and ensure the document's width matches it.
+ // updateDisplay_W2 will use these properties to do the actual resizing
+ if (display.maxLineChanged && !cm.options.lineWrapping) {
+ op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3
+ cm.display.sizerWidth = op.adjustWidthTo
+ op.barMeasure.scrollWidth =
+ Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth)
+ op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm))
+ }
+
+ if (op.updatedDisplay || op.selectionChanged)
+ { op.preparedSelection = display.input.prepareSelection() }
+ }
+
+ function endOperation_W2(op) {
+ var cm = op.cm
+
+ if (op.adjustWidthTo != null) {
+ cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"
+ if (op.maxScrollLeft < cm.doc.scrollLeft)
+ { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true) }
+ cm.display.maxLineChanged = false
+ }
+
+ var takeFocus = op.focus && op.focus == activeElt()
+ if (op.preparedSelection)
+ { cm.display.input.showSelection(op.preparedSelection, takeFocus) }
+ if (op.updatedDisplay || op.startHeight != cm.doc.height)
+ { updateScrollbars(cm, op.barMeasure) }
+ if (op.updatedDisplay)
+ { setDocumentHeight(cm, op.barMeasure) }
+
+ if (op.selectionChanged) { restartBlink(cm) }
+
+ if (cm.state.focused && op.updateInput)
+ { cm.display.input.reset(op.typing) }
+ if (takeFocus) { ensureFocus(op.cm) }
+ }
+
+ function endOperation_finish(op) {
+ var cm = op.cm, display = cm.display, doc = cm.doc
+
+ if (op.updatedDisplay) { postUpdateDisplay(cm, op.update) }
+
+ // Abort mouse wheel delta measurement, when scrolling explicitly
+ if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
+ { display.wheelStartX = display.wheelStartY = null }
+
+ // Propagate the scroll position to the actual DOM scroller
+ if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll) }
+
+ if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true) }
+ // If we need to scroll a specific position into view, do so.
+ if (op.scrollToPos) {
+ var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
+ clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin)
+ maybeScrollWindow(cm, rect)
+ }
+
+ // Fire events for markers that are hidden/unidden by editing or
+ // undoing
+ var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers
+ if (hidden) { for (var i = 0; i < hidden.length; ++i)
+ { if (!hidden[i].lines.length) { signal(hidden[i], "hide") } } }
+ if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)
+ { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide") } } }
+
+ if (display.wrapper.offsetHeight)
+ { doc.scrollTop = cm.display.scroller.scrollTop }
+
+ // Fire change events, and delayed event handlers
+ if (op.changeObjs)
+ { signal(cm, "changes", cm, op.changeObjs) }
+ if (op.update)
+ { op.update.finish() }
+ }
+
+// Run the given function in an operation
+ function runInOp(cm, f) {
+ if (cm.curOp) { return f() }
+ startOperation(cm)
+ try { return f() }
+ finally { endOperation(cm) }
+ }
+// Wraps a function in an operation. Returns the wrapped function.
+ function operation(cm, f) {
+ return function() {
+ if (cm.curOp) { return f.apply(cm, arguments) }
+ startOperation(cm)
+ try { return f.apply(cm, arguments) }
+ finally { endOperation(cm) }
+ }
+ }
+// Used to add methods to editor and doc instances, wrapping them in
+// operations.
+ function methodOp(f) {
+ return function() {
+ if (this.curOp) { return f.apply(this, arguments) }
+ startOperation(this)
+ try { return f.apply(this, arguments) }
+ finally { endOperation(this) }
+ }
+ }
+ function docMethodOp(f) {
+ return function() {
+ var cm = this.cm
+ if (!cm || cm.curOp) { return f.apply(this, arguments) }
+ startOperation(cm)
+ try { return f.apply(this, arguments) }
+ finally { endOperation(cm) }
+ }
+ }
+
+// Updates the display.view data structure for a given change to the
+// document. From and to are in pre-change coordinates. Lendiff is
+// the amount of lines added or subtracted by the change. This is
+// used for changes that span multiple lines, or change the way
+// lines are divided into visual lines. regLineChange (below)
+// registers single-line changes.
+ function regChange(cm, from, to, lendiff) {
+ if (from == null) { from = cm.doc.first }
+ if (to == null) { to = cm.doc.first + cm.doc.size }
+ if (!lendiff) { lendiff = 0 }
+
+ var display = cm.display
+ if (lendiff && to < display.viewTo &&
+ (display.updateLineNumbers == null || display.updateLineNumbers > from))
+ { display.updateLineNumbers = from }
+
+ cm.curOp.viewChanged = true
+
+ if (from >= display.viewTo) { // Change after
+ if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
+ { resetView(cm) }
+ } else if (to <= display.viewFrom) { // Change before
+ if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
+ resetView(cm)
+ } else {
+ display.viewFrom += lendiff
+ display.viewTo += lendiff
+ }
+ } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
+ resetView(cm)
+ } else if (from <= display.viewFrom) { // Top overlap
+ var cut = viewCuttingPoint(cm, to, to + lendiff, 1)
+ if (cut) {
+ display.view = display.view.slice(cut.index)
+ display.viewFrom = cut.lineN
+ display.viewTo += lendiff
+ } else {
+ resetView(cm)
+ }
+ } else if (to >= display.viewTo) { // Bottom overlap
+ var cut$1 = viewCuttingPoint(cm, from, from, -1)
+ if (cut$1) {
+ display.view = display.view.slice(0, cut$1.index)
+ display.viewTo = cut$1.lineN
+ } else {
+ resetView(cm)
+ }
+ } else { // Gap in the middle
+ var cutTop = viewCuttingPoint(cm, from, from, -1)
+ var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1)
+ if (cutTop && cutBot) {
+ display.view = display.view.slice(0, cutTop.index)
+ .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
+ .concat(display.view.slice(cutBot.index))
+ display.viewTo += lendiff
+ } else {
+ resetView(cm)
+ }
+ }
+
+ var ext = display.externalMeasured
+ if (ext) {
+ if (to < ext.lineN)
+ { ext.lineN += lendiff }
+ else if (from < ext.lineN + ext.size)
+ { display.externalMeasured = null }
+ }
+ }
+
+// Register a change to a single line. Type must be one of "text",
+// "gutter", "class", "widget"
+ function regLineChange(cm, line, type) {
+ cm.curOp.viewChanged = true
+ var display = cm.display, ext = cm.display.externalMeasured
+ if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
+ { display.externalMeasured = null }
+
+ if (line < display.viewFrom || line >= display.viewTo) { return }
+ var lineView = display.view[findViewIndex(cm, line)]
+ if (lineView.node == null) { return }
+ var arr = lineView.changes || (lineView.changes = [])
+ if (indexOf(arr, type) == -1) { arr.push(type) }
+ }
+
+// Clear the view.
+ function resetView(cm) {
+ cm.display.viewFrom = cm.display.viewTo = cm.doc.first
+ cm.display.view = []
+ cm.display.viewOffset = 0
+ }
+
+ function viewCuttingPoint(cm, oldN, newN, dir) {
+ var index = findViewIndex(cm, oldN), diff, view = cm.display.view
+ if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
+ { return {index: index, lineN: newN} }
+ var n = cm.display.viewFrom
+ for (var i = 0; i < index; i++)
+ { n += view[i].size }
+ if (n != oldN) {
+ if (dir > 0) {
+ if (index == view.length - 1) { return null }
+ diff = (n + view[index].size) - oldN
+ index++
+ } else {
+ diff = n - oldN
+ }
+ oldN += diff; newN += diff
+ }
+ while (visualLineNo(cm.doc, newN) != newN) {
+ if (index == (dir < 0 ? 0 : view.length - 1)) { return null }
+ newN += dir * view[index - (dir < 0 ? 1 : 0)].size
+ index += dir
+ }
+ return {index: index, lineN: newN}
+ }
+
+// Force the view to cover a given range, adding empty view element
+// or clipping off existing ones as needed.
+ function adjustView(cm, from, to) {
+ var display = cm.display, view = display.view
+ if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
+ display.view = buildViewArray(cm, from, to)
+ display.viewFrom = from
+ } else {
+ if (display.viewFrom > from)
+ { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view) }
+ else if (display.viewFrom < from)
+ { display.view = display.view.slice(findViewIndex(cm, from)) }
+ display.viewFrom = from
+ if (display.viewTo < to)
+ { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)) }
+ else if (display.viewTo > to)
+ { display.view = display.view.slice(0, findViewIndex(cm, to)) }
+ }
+ display.viewTo = to
+ }
+
+// Count the number of lines in the view whose DOM representation is
+// out of date (or nonexistent).
+ function countDirtyView(cm) {
+ var view = cm.display.view, dirty = 0
+ for (var i = 0; i < view.length; i++) {
+ var lineView = view[i]
+ if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty }
+ }
+ return dirty
+ }
+
+// HIGHLIGHT WORKER
+
+ function startWorker(cm, time) {
+ if (cm.doc.highlightFrontier < cm.display.viewTo)
+ { cm.state.highlight.set(time, bind(highlightWorker, cm)) }
+ }
+
+ function highlightWorker(cm) {
+ var doc = cm.doc
+ if (doc.highlightFrontier >= cm.display.viewTo) { return }
+ var end = +new Date + cm.options.workTime
+ var context = getContextBefore(cm, doc.highlightFrontier)
+ var changedLines = []
+
+ doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {
+ if (context.line >= cm.display.viewFrom) { // Visible
+ var oldStyles = line.styles
+ var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null
+ var highlighted = highlightLine(cm, line, context, true)
+ if (resetState) { context.state = resetState }
+ line.styles = highlighted.styles
+ var oldCls = line.styleClasses, newCls = highlighted.classes
+ if (newCls) { line.styleClasses = newCls }
+ else if (oldCls) { line.styleClasses = null }
+ var ischange = !oldStyles || oldStyles.length != line.styles.length ||
+ oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass)
+ for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i] }
+ if (ischange) { changedLines.push(context.line) }
+ line.stateAfter = context.save()
+ context.nextLine()
+ } else {
+ if (line.text.length <= cm.options.maxHighlightLength)
+ { processLine(cm, line.text, context) }
+ line.stateAfter = context.line % 5 == 0 ? context.save() : null
+ context.nextLine()
+ }
+ if (+new Date > end) {
+ startWorker(cm, cm.options.workDelay)
+ return true
+ }
+ })
+ doc.highlightFrontier = context.line
+ doc.modeFrontier = Math.max(doc.modeFrontier, context.line)
+ if (changedLines.length) { runInOp(cm, function () {
+ for (var i = 0; i < changedLines.length; i++)
+ { regLineChange(cm, changedLines[i], "text") }
+ }) }
+ }
+
+// DISPLAY DRAWING
+
+ var DisplayUpdate = function(cm, viewport, force) {
+ var display = cm.display
+
+ this.viewport = viewport
+ // Store some values that we'll need later (but don't want to force a relayout for)
+ this.visible = visibleLines(display, cm.doc, viewport)
+ this.editorIsHidden = !display.wrapper.offsetWidth
+ this.wrapperHeight = display.wrapper.clientHeight
+ this.wrapperWidth = display.wrapper.clientWidth
+ this.oldDisplayWidth = displayWidth(cm)
+ this.force = force
+ this.dims = getDimensions(cm)
+ this.events = []
+ };
+
+ DisplayUpdate.prototype.signal = function (emitter, type) {
+ if (hasHandler(emitter, type))
+ { this.events.push(arguments) }
+ };
+ DisplayUpdate.prototype.finish = function () {
+ var this$1 = this;
+
+ for (var i = 0; i < this.events.length; i++)
+ { signal.apply(null, this$1.events[i]) }
+ };
+
+ function maybeClipScrollbars(cm) {
+ var display = cm.display
+ if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
+ display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth
+ display.heightForcer.style.height = scrollGap(cm) + "px"
+ display.sizer.style.marginBottom = -display.nativeBarWidth + "px"
+ display.sizer.style.borderRightWidth = scrollGap(cm) + "px"
+ display.scrollbarsClipped = true
+ }
+ }
+
+ function selectionSnapshot(cm) {
+ if (cm.hasFocus()) { return null }
+ var active = activeElt()
+ if (!active || !contains(cm.display.lineDiv, active)) { return null }
+ var result = {activeElt: active}
+ if (window.getSelection) {
+ var sel = window.getSelection()
+ if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {
+ result.anchorNode = sel.anchorNode
+ result.anchorOffset = sel.anchorOffset
+ result.focusNode = sel.focusNode
+ result.focusOffset = sel.focusOffset
+ }
+ }
+ return result
+ }
+
+ function restoreSelection(snapshot) {
+ if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }
+ snapshot.activeElt.focus()
+ if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {
+ var sel = window.getSelection(), range = document.createRange()
+ range.setEnd(snapshot.anchorNode, snapshot.anchorOffset)
+ range.collapse(false)
+ sel.removeAllRanges()
+ sel.addRange(range)
+ sel.extend(snapshot.focusNode, snapshot.focusOffset)
+ }
+ }
+
+// Does the actual updating of the line display. Bails out
+// (returning false) when there is nothing to be done and forced is
+// false.
+ function updateDisplayIfNeeded(cm, update) {
+ var display = cm.display, doc = cm.doc
+
+ if (update.editorIsHidden) {
+ resetView(cm)
+ return false
+ }
+
+ // Bail out if the visible area is already rendered and nothing changed.
+ if (!update.force &&
+ update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
+ (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
+ display.renderedView == display.view && countDirtyView(cm) == 0)
+ { return false }
+
+ if (maybeUpdateLineNumberWidth(cm)) {
+ resetView(cm)
+ update.dims = getDimensions(cm)
+ }
+
+ // Compute a suitable new viewport (from & to)
+ var end = doc.first + doc.size
+ var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first)
+ var to = Math.min(end, update.visible.to + cm.options.viewportMargin)
+ if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom) }
+ if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo) }
+ if (sawCollapsedSpans) {
+ from = visualLineNo(cm.doc, from)
+ to = visualLineEndNo(cm.doc, to)
+ }
+
+ var different = from != display.viewFrom || to != display.viewTo ||
+ display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth
+ adjustView(cm, from, to)
+
+ display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom))
+ // Position the mover div to align with the current scroll position
+ cm.display.mover.style.top = display.viewOffset + "px"
+
+ var toUpdate = countDirtyView(cm)
+ if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
+ (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
+ { return false }
+
+ // For big changes, we hide the enclosing element during the
+ // update, since that speeds up the operations on most browsers.
+ var selSnapshot = selectionSnapshot(cm)
+ if (toUpdate > 4) { display.lineDiv.style.display = "none" }
+ patchDisplay(cm, display.updateLineNumbers, update.dims)
+ if (toUpdate > 4) { display.lineDiv.style.display = "" }
+ display.renderedView = display.view
+ // There might have been a widget with a focused element that got
+ // hidden or updated, if so re-focus it.
+ restoreSelection(selSnapshot)
+
+ // Prevent selection and cursors from interfering with the scroll
+ // width and height.
+ removeChildren(display.cursorDiv)
+ removeChildren(display.selectionDiv)
+ display.gutters.style.height = display.sizer.style.minHeight = 0
+
+ if (different) {
+ display.lastWrapHeight = update.wrapperHeight
+ display.lastWrapWidth = update.wrapperWidth
+ startWorker(cm, 400)
+ }
+
+ display.updateLineNumbers = null
+
+ return true
+ }
+
+ function postUpdateDisplay(cm, update) {
+ var viewport = update.viewport
+
+ for (var first = true;; first = false) {
+ if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
+ // Clip forced viewport to actual scrollable area.
+ if (viewport && viewport.top != null)
+ { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)} }
+ // Updated line heights might result in the drawn area not
+ // actually covering the viewport. Keep looping until it does.
+ update.visible = visibleLines(cm.display, cm.doc, viewport)
+ if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
+ { break }
+ }
+ if (!updateDisplayIfNeeded(cm, update)) { break }
+ updateHeightsInViewport(cm)
+ var barMeasure = measureForScrollbars(cm)
+ updateSelection(cm)
+ updateScrollbars(cm, barMeasure)
+ setDocumentHeight(cm, barMeasure)
+ update.force = false
+ }
+
+ update.signal(cm, "update", cm)
+ if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
+ update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo)
+ cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo
+ }
+ }
+
+ function updateDisplaySimple(cm, viewport) {
+ var update = new DisplayUpdate(cm, viewport)
+ if (updateDisplayIfNeeded(cm, update)) {
+ updateHeightsInViewport(cm)
+ postUpdateDisplay(cm, update)
+ var barMeasure = measureForScrollbars(cm)
+ updateSelection(cm)
+ updateScrollbars(cm, barMeasure)
+ setDocumentHeight(cm, barMeasure)
+ update.finish()
+ }
+ }
+
+// Sync the actual display DOM structure with display.view, removing
+// nodes for lines that are no longer in view, and creating the ones
+// that are not there yet, and updating the ones that are out of
+// date.
+ function patchDisplay(cm, updateNumbersFrom, dims) {
+ var display = cm.display, lineNumbers = cm.options.lineNumbers
+ var container = display.lineDiv, cur = container.firstChild
+
+ function rm(node) {
+ var next = node.nextSibling
+ // Works around a throw-scroll bug in OS X Webkit
+ if (webkit && mac && cm.display.currentWheelTarget == node)
+ { node.style.display = "none" }
+ else
+ { node.parentNode.removeChild(node) }
+ return next
+ }
+
+ var view = display.view, lineN = display.viewFrom
+ // Loop over the elements in the view, syncing cur (the DOM nodes
+ // in display.lineDiv) with the view as we go.
+ for (var i = 0; i < view.length; i++) {
+ var lineView = view[i]
+ if (lineView.hidden) {
+ } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
+ var node = buildLineElement(cm, lineView, lineN, dims)
+ container.insertBefore(node, cur)
+ } else { // Already drawn
+ while (cur != lineView.node) { cur = rm(cur) }
+ var updateNumber = lineNumbers && updateNumbersFrom != null &&
+ updateNumbersFrom <= lineN && lineView.lineNumber
+ if (lineView.changes) {
+ if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false }
+ updateLineForChanges(cm, lineView, lineN, dims)
+ }
+ if (updateNumber) {
+ removeChildren(lineView.lineNumber)
+ lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)))
+ }
+ cur = lineView.node.nextSibling
+ }
+ lineN += lineView.size
+ }
+ while (cur) { cur = rm(cur) }
+ }
+
+ function updateGutterSpace(cm) {
+ var width = cm.display.gutters.offsetWidth
+ cm.display.sizer.style.marginLeft = width + "px"
+ }
+
+ function setDocumentHeight(cm, measure) {
+ cm.display.sizer.style.minHeight = measure.docHeight + "px"
+ cm.display.heightForcer.style.top = measure.docHeight + "px"
+ cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"
+ }
+
+// Rebuild the gutter elements, ensure the margin to the left of the
+// code matches their width.
+ function updateGutters(cm) {
+ var gutters = cm.display.gutters, specs = cm.options.gutters
+ removeChildren(gutters)
+ var i = 0
+ for (; i < specs.length; ++i) {
+ var gutterClass = specs[i]
+ var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass))
+ if (gutterClass == "CodeMirror-linenumbers") {
+ cm.display.lineGutter = gElt
+ gElt.style.width = (cm.display.lineNumWidth || 1) + "px"
+ }
+ }
+ gutters.style.display = i ? "" : "none"
+ updateGutterSpace(cm)
+ }
+
+// Make sure the gutters options contains the element
+// "CodeMirror-linenumbers" when the lineNumbers option is true.
+ function setGuttersForLineNumbers(options) {
+ var found = indexOf(options.gutters, "CodeMirror-linenumbers")
+ if (found == -1 && options.lineNumbers) {
+ options.gutters = options.gutters.concat(["CodeMirror-linenumbers"])
+ } else if (found > -1 && !options.lineNumbers) {
+ options.gutters = options.gutters.slice(0)
+ options.gutters.splice(found, 1)
+ }
+ }
+
+ var wheelSamples = 0;
+ var wheelPixelsPerUnit = null;
+// Fill in a browser-detected starting value on browsers where we
+// know one. These don't have to be accurate -- the result of them
+// being wrong would just be a slight flicker on the first wheel
+// scroll (if it is large enough).
+ if (ie) { wheelPixelsPerUnit = -.53 }
+ else if (gecko) { wheelPixelsPerUnit = 15 }
+ else if (chrome) { wheelPixelsPerUnit = -.7 }
+ else if (safari) { wheelPixelsPerUnit = -1/3 }
+
+ function wheelEventDelta(e) {
+ var dx = e.wheelDeltaX, dy = e.wheelDeltaY
+ if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail }
+ if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail }
+ else if (dy == null) { dy = e.wheelDelta }
+ return {x: dx, y: dy}
+ }
+ function wheelEventPixels(e) {
+ var delta = wheelEventDelta(e)
+ delta.x *= wheelPixelsPerUnit
+ delta.y *= wheelPixelsPerUnit
+ return delta
+ }
+
+ function onScrollWheel(cm, e) {
+ var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y
+
+ var display = cm.display, scroll = display.scroller
+ // Quit if there's nothing to scroll here
+ var canScrollX = scroll.scrollWidth > scroll.clientWidth
+ var canScrollY = scroll.scrollHeight > scroll.clientHeight
+ if (!(dx && canScrollX || dy && canScrollY)) { return }
+
+ // Webkit browsers on OS X abort momentum scrolls when the target
+ // of the scroll event is removed from the scrollable element.
+ // This hack (see related code in patchDisplay) makes sure the
+ // element is kept around.
+ if (dy && mac && webkit) {
+ outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
+ for (var i = 0; i < view.length; i++) {
+ if (view[i].node == cur) {
+ cm.display.currentWheelTarget = cur
+ break outer
+ }
+ }
+ }
+ }
+
+ // On some browsers, horizontal scrolling will cause redraws to
+ // happen before the gutter has been realigned, causing it to
+ // wriggle around in a most unseemly way. When we have an
+ // estimated pixels/delta value, we just handle horizontal
+ // scrolling entirely here. It'll be slightly off from native, but
+ // better than glitching out.
+ if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
+ if (dy && canScrollY)
+ { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)) }
+ setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit))
+ // Only prevent default scrolling if vertical scrolling is
+ // actually possible. Otherwise, it causes vertical scroll
+ // jitter on OSX trackpads when deltaX is small and deltaY
+ // is large (issue #3579)
+ if (!dy || (dy && canScrollY))
+ { e_preventDefault(e) }
+ display.wheelStartX = null // Abort measurement, if in progress
+ return
+ }
+
+ // 'Project' the visible viewport to cover the area that is being
+ // scrolled into view (if we know enough to estimate it).
+ if (dy && wheelPixelsPerUnit != null) {
+ var pixels = dy * wheelPixelsPerUnit
+ var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight
+ if (pixels < 0) { top = Math.max(0, top + pixels - 50) }
+ else { bot = Math.min(cm.doc.height, bot + pixels + 50) }
+ updateDisplaySimple(cm, {top: top, bottom: bot})
+ }
+
+ if (wheelSamples < 20) {
+ if (display.wheelStartX == null) {
+ display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop
+ display.wheelDX = dx; display.wheelDY = dy
+ setTimeout(function () {
+ if (display.wheelStartX == null) { return }
+ var movedX = scroll.scrollLeft - display.wheelStartX
+ var movedY = scroll.scrollTop - display.wheelStartY
+ var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
+ (movedX && display.wheelDX && movedX / display.wheelDX)
+ display.wheelStartX = display.wheelStartY = null
+ if (!sample) { return }
+ wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1)
+ ++wheelSamples
+ }, 200)
+ } else {
+ display.wheelDX += dx; display.wheelDY += dy
+ }
+ }
+ }
+
+// Selection objects are immutable. A new one is created every time
+// the selection changes. A selection is one or more non-overlapping
+// (and non-touching) ranges, sorted, and an integer that indicates
+// which one is the primary selection (the one that's scrolled into
+// view, that getCursor returns, etc).
+ var Selection = function(ranges, primIndex) {
+ this.ranges = ranges
+ this.primIndex = primIndex
+ };
+
+ Selection.prototype.primary = function () { return this.ranges[this.primIndex] };
+
+ Selection.prototype.equals = function (other) {
+ var this$1 = this;
+
+ if (other == this) { return true }
+ if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }
+ for (var i = 0; i < this.ranges.length; i++) {
+ var here = this$1.ranges[i], there = other.ranges[i]
+ if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }
+ }
+ return true
+ };
+
+ Selection.prototype.deepCopy = function () {
+ var this$1 = this;
+
+ var out = []
+ for (var i = 0; i < this.ranges.length; i++)
+ { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)) }
+ return new Selection(out, this.primIndex)
+ };
+
+ Selection.prototype.somethingSelected = function () {
+ var this$1 = this;
+
+ for (var i = 0; i < this.ranges.length; i++)
+ { if (!this$1.ranges[i].empty()) { return true } }
+ return false
+ };
+
+ Selection.prototype.contains = function (pos, end) {
+ var this$1 = this;
+
+ if (!end) { end = pos }
+ for (var i = 0; i < this.ranges.length; i++) {
+ var range = this$1.ranges[i]
+ if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
+ { return i }
+ }
+ return -1
+ };
+
+ var Range = function(anchor, head) {
+ this.anchor = anchor; this.head = head
+ };
+
+ Range.prototype.from = function () { return minPos(this.anchor, this.head) };
+ Range.prototype.to = function () { return maxPos(this.anchor, this.head) };
+ Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };
+
+// Take an unsorted, potentially overlapping set of ranges, and
+// build a selection out of it. 'Consumes' ranges array (modifying
+// it).
+ function normalizeSelection(ranges, primIndex) {
+ var prim = ranges[primIndex]
+ ranges.sort(function (a, b) { return cmp(a.from(), b.from()); })
+ primIndex = indexOf(ranges, prim)
+ for (var i = 1; i < ranges.length; i++) {
+ var cur = ranges[i], prev = ranges[i - 1]
+ if (cmp(prev.to(), cur.from()) >= 0) {
+ var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to())
+ var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head
+ if (i <= primIndex) { --primIndex }
+ ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to))
+ }
+ }
+ return new Selection(ranges, primIndex)
+ }
+
+ function simpleSelection(anchor, head) {
+ return new Selection([new Range(anchor, head || anchor)], 0)
+ }
+
+// Compute the position of the end of a change (its 'to' property
+// refers to the pre-change end).
+ function changeEnd(change) {
+ if (!change.text) { return change.to }
+ return Pos(change.from.line + change.text.length - 1,
+ lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))
+ }
+
+// Adjust a position to refer to the post-change position of the
+// same text, or the end of the change if the change covers it.
+ function adjustForChange(pos, change) {
+ if (cmp(pos, change.from) < 0) { return pos }
+ if (cmp(pos, change.to) <= 0) { return changeEnd(change) }
+
+ var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch
+ if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch }
+ return Pos(line, ch)
+ }
+
+ function computeSelAfterChange(doc, change) {
+ var out = []
+ for (var i = 0; i < doc.sel.ranges.length; i++) {
+ var range = doc.sel.ranges[i]
+ out.push(new Range(adjustForChange(range.anchor, change),
+ adjustForChange(range.head, change)))
+ }
+ return normalizeSelection(out, doc.sel.primIndex)
+ }
+
+ function offsetPos(pos, old, nw) {
+ if (pos.line == old.line)
+ { return Pos(nw.line, pos.ch - old.ch + nw.ch) }
+ else
+ { return Pos(nw.line + (pos.line - old.line), pos.ch) }
+ }
+
+// Used by replaceSelections to allow moving the selection to the
+// start or around the replaced test. Hint may be "start" or "around".
+ function computeReplacedSel(doc, changes, hint) {
+ var out = []
+ var oldPrev = Pos(doc.first, 0), newPrev = oldPrev
+ for (var i = 0; i < changes.length; i++) {
+ var change = changes[i]
+ var from = offsetPos(change.from, oldPrev, newPrev)
+ var to = offsetPos(changeEnd(change), oldPrev, newPrev)
+ oldPrev = change.to
+ newPrev = to
+ if (hint == "around") {
+ var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0
+ out[i] = new Range(inv ? to : from, inv ? from : to)
+ } else {
+ out[i] = new Range(from, from)
+ }
+ }
+ return new Selection(out, doc.sel.primIndex)
+ }
+
+// Used to get the editor into a consistent state again when options change.
+
+ function loadMode(cm) {
+ cm.doc.mode = getMode(cm.options, cm.doc.modeOption)
+ resetModeState(cm)
+ }
+
+ function resetModeState(cm) {
+ cm.doc.iter(function (line) {
+ if (line.stateAfter) { line.stateAfter = null }
+ if (line.styles) { line.styles = null }
+ })
+ cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first
+ startWorker(cm, 100)
+ cm.state.modeGen++
+ if (cm.curOp) { regChange(cm) }
+ }
+
+// DOCUMENT DATA STRUCTURE
+
+// By default, updates that start and end at the beginning of a line
+// are treated specially, in order to make the association of line
+// widgets and marker elements with the text behave more intuitive.
+ function isWholeLineUpdate(doc, change) {
+ return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
+ (!doc.cm || doc.cm.options.wholeLineUpdateBefore)
+ }
+
+// Perform a change on the document data structure.
+ function updateDoc(doc, change, markedSpans, estimateHeight) {
+ function spansFor(n) {return markedSpans ? markedSpans[n] : null}
+ function update(line, text, spans) {
+ updateLine(line, text, spans, estimateHeight)
+ signalLater(line, "change", line, change)
+ }
+ function linesFor(start, end) {
+ var result = []
+ for (var i = start; i < end; ++i)
+ { result.push(new Line(text[i], spansFor(i), estimateHeight)) }
+ return result
+ }
+
+ var from = change.from, to = change.to, text = change.text
+ var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line)
+ var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line
+
+ // Adjust the line structure
+ if (change.full) {
+ doc.insert(0, linesFor(0, text.length))
+ doc.remove(text.length, doc.size - text.length)
+ } else if (isWholeLineUpdate(doc, change)) {
+ // This is a whole-line replace. Treated specially to make
+ // sure line objects move the way they are supposed to.
+ var added = linesFor(0, text.length - 1)
+ update(lastLine, lastLine.text, lastSpans)
+ if (nlines) { doc.remove(from.line, nlines) }
+ if (added.length) { doc.insert(from.line, added) }
+ } else if (firstLine == lastLine) {
+ if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans)
+ } else {
+ var added$1 = linesFor(1, text.length - 1)
+ added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight))
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0))
+ doc.insert(from.line + 1, added$1)
+ }
+ } else if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0))
+ doc.remove(from.line + 1, nlines)
+ } else {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0))
+ update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans)
+ var added$2 = linesFor(1, text.length - 1)
+ if (nlines > 1) { doc.remove(from.line + 1, nlines - 1) }
+ doc.insert(from.line + 1, added$2)
+ }
+
+ signalLater(doc, "change", doc, change)
+ }
+
+// Call f for all linked documents.
+ function linkedDocs(doc, f, sharedHistOnly) {
+ function propagate(doc, skip, sharedHist) {
+ if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {
+ var rel = doc.linked[i]
+ if (rel.doc == skip) { continue }
+ var shared = sharedHist && rel.sharedHist
+ if (sharedHistOnly && !shared) { continue }
+ f(rel.doc, shared)
+ propagate(rel.doc, doc, shared)
+ } }
+ }
+ propagate(doc, null, true)
+ }
+
+// Attach a document to an editor.
+ function attachDoc(cm, doc) {
+ if (doc.cm) { throw new Error("This document is already in use.") }
+ cm.doc = doc
+ doc.cm = cm
+ estimateLineHeights(cm)
+ loadMode(cm)
+ setDirectionClass(cm)
+ if (!cm.options.lineWrapping) { findMaxLine(cm) }
+ cm.options.mode = doc.modeOption
+ regChange(cm)
+ }
+
+ function setDirectionClass(cm) {
+ ;(cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl")
+ }
+
+ function directionChanged(cm) {
+ runInOp(cm, function () {
+ setDirectionClass(cm)
+ regChange(cm)
+ })
+ }
+
+ function History(startGen) {
+ // Arrays of change events and selections. Doing something adds an
+ // event to done and clears undo. Undoing moves events from done
+ // to undone, redoing moves them in the other direction.
+ this.done = []; this.undone = []
+ this.undoDepth = Infinity
+ // Used to track when changes can be merged into a single undo
+ // event
+ this.lastModTime = this.lastSelTime = 0
+ this.lastOp = this.lastSelOp = null
+ this.lastOrigin = this.lastSelOrigin = null
+ // Used by the isClean() method
+ this.generation = this.maxGeneration = startGen || 1
+ }
+
+// Create a history change event from an updateDoc-style change
+// object.
+ function historyChangeFromChange(doc, change) {
+ var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}
+ attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1)
+ linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true)
+ return histChange
+ }
+
+// Pop all selection events off the end of a history array. Stop at
+// a change event.
+ function clearSelectionEvents(array) {
+ while (array.length) {
+ var last = lst(array)
+ if (last.ranges) { array.pop() }
+ else { break }
+ }
+ }
+
+// Find the top change event in the history. Pop off selection
+// events that are in the way.
+ function lastChangeEvent(hist, force) {
+ if (force) {
+ clearSelectionEvents(hist.done)
+ return lst(hist.done)
+ } else if (hist.done.length && !lst(hist.done).ranges) {
+ return lst(hist.done)
+ } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
+ hist.done.pop()
+ return lst(hist.done)
+ }
+ }
+
+// Register a change in the history. Merges changes that are within
+// a single operation, or are close together with an origin that
+// allows merging (starting with "+") into a single event.
+ function addChangeToHistory(doc, change, selAfter, opId) {
+ var hist = doc.history
+ hist.undone.length = 0
+ var time = +new Date, cur
+ var last
+
+ if ((hist.lastOp == opId ||
+ hist.lastOrigin == change.origin && change.origin &&
+ ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
+ change.origin.charAt(0) == "*")) &&
+ (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
+ // Merge this change into the last event
+ last = lst(cur.changes)
+ if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
+ // Optimized case for simple insertion -- don't want to add
+ // new changesets for every character typed
+ last.to = changeEnd(change)
+ } else {
+ // Add new sub-event
+ cur.changes.push(historyChangeFromChange(doc, change))
+ }
+ } else {
+ // Can not be merged, start a new event.
+ var before = lst(hist.done)
+ if (!before || !before.ranges)
+ { pushSelectionToHistory(doc.sel, hist.done) }
+ cur = {changes: [historyChangeFromChange(doc, change)],
+ generation: hist.generation}
+ hist.done.push(cur)
+ while (hist.done.length > hist.undoDepth) {
+ hist.done.shift()
+ if (!hist.done[0].ranges) { hist.done.shift() }
+ }
+ }
+ hist.done.push(selAfter)
+ hist.generation = ++hist.maxGeneration
+ hist.lastModTime = hist.lastSelTime = time
+ hist.lastOp = hist.lastSelOp = opId
+ hist.lastOrigin = hist.lastSelOrigin = change.origin
+
+ if (!last) { signal(doc, "historyAdded") }
+ }
+
+ function selectionEventCanBeMerged(doc, origin, prev, sel) {
+ var ch = origin.charAt(0)
+ return ch == "*" ||
+ ch == "+" &&
+ prev.ranges.length == sel.ranges.length &&
+ prev.somethingSelected() == sel.somethingSelected() &&
+ new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)
+ }
+
+// Called whenever the selection changes, sets the new selection as
+// the pending selection in the history, and pushes the old pending
+// selection into the 'done' array when it was significantly
+// different (in number of selected ranges, emptiness, or time).
+ function addSelectionToHistory(doc, sel, opId, options) {
+ var hist = doc.history, origin = options && options.origin
+
+ // A new event is started when the previous origin does not match
+ // the current, or the origins don't allow matching. Origins
+ // starting with * are always merged, those starting with + are
+ // merged when similar and close together in time.
+ if (opId == hist.lastSelOp ||
+ (origin && hist.lastSelOrigin == origin &&
+ (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
+ selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
+ { hist.done[hist.done.length - 1] = sel }
+ else
+ { pushSelectionToHistory(sel, hist.done) }
+
+ hist.lastSelTime = +new Date
+ hist.lastSelOrigin = origin
+ hist.lastSelOp = opId
+ if (options && options.clearRedo !== false)
+ { clearSelectionEvents(hist.undone) }
+ }
+
+ function pushSelectionToHistory(sel, dest) {
+ var top = lst(dest)
+ if (!(top && top.ranges && top.equals(sel)))
+ { dest.push(sel) }
+ }
+
+// Used to store marked span information in the history.
+ function attachLocalSpans(doc, change, from, to) {
+ var existing = change["spans_" + doc.id], n = 0
+ doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {
+ if (line.markedSpans)
+ { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans }
+ ++n
+ })
+ }
+
+// When un/re-doing restores text containing marked spans, those
+// that have been explicitly cleared should not be restored.
+ function removeClearedSpans(spans) {
+ if (!spans) { return null }
+ var out
+ for (var i = 0; i < spans.length; ++i) {
+ if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i) } }
+ else if (out) { out.push(spans[i]) }
+ }
+ return !out ? spans : out.length ? out : null
+ }
+
+// Retrieve and filter the old marked spans stored in a change event.
+ function getOldSpans(doc, change) {
+ var found = change["spans_" + doc.id]
+ if (!found) { return null }
+ var nw = []
+ for (var i = 0; i < change.text.length; ++i)
+ { nw.push(removeClearedSpans(found[i])) }
+ return nw
+ }
+
+// Used for un/re-doing changes from the history. Combines the
+// result of computing the existing spans with the set of spans that
+// existed in the history (so that deleting around a span and then
+// undoing brings back the span).
+ function mergeOldSpans(doc, change) {
+ var old = getOldSpans(doc, change)
+ var stretched = stretchSpansOverChange(doc, change)
+ if (!old) { return stretched }
+ if (!stretched) { return old }
+
+ for (var i = 0; i < old.length; ++i) {
+ var oldCur = old[i], stretchCur = stretched[i]
+ if (oldCur && stretchCur) {
+ spans: for (var j = 0; j < stretchCur.length; ++j) {
+ var span = stretchCur[j]
+ for (var k = 0; k < oldCur.length; ++k)
+ { if (oldCur[k].marker == span.marker) { continue spans } }
+ oldCur.push(span)
+ }
+ } else if (stretchCur) {
+ old[i] = stretchCur
+ }
+ }
+ return old
+ }
+
+// Used both to provide a JSON-safe object in .getHistory, and, when
+// detaching a document, to split the history in two
+ function copyHistoryArray(events, newGroup, instantiateSel) {
+ var copy = []
+ for (var i = 0; i < events.length; ++i) {
+ var event = events[i]
+ if (event.ranges) {
+ copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event)
+ continue
+ }
+ var changes = event.changes, newChanges = []
+ copy.push({changes: newChanges})
+ for (var j = 0; j < changes.length; ++j) {
+ var change = changes[j], m = (void 0)
+ newChanges.push({from: change.from, to: change.to, text: change.text})
+ if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) {
+ if (indexOf(newGroup, Number(m[1])) > -1) {
+ lst(newChanges)[prop] = change[prop]
+ delete change[prop]
+ }
+ } } }
+ }
+ }
+ return copy
+ }
+
+// The 'scroll' parameter given to many of these indicated whether
+// the new cursor position should be scrolled into view after
+// modifying the selection.
+
+// If shift is held or the extend flag is set, extends a range to
+// include a given position (and optionally a second position).
+// Otherwise, simply returns the range between the given positions.
+// Used for cursor motion and such.
+ function extendRange(range, head, other, extend) {
+ if (extend) {
+ var anchor = range.anchor
+ if (other) {
+ var posBefore = cmp(head, anchor) < 0
+ if (posBefore != (cmp(other, anchor) < 0)) {
+ anchor = head
+ head = other
+ } else if (posBefore != (cmp(head, other) < 0)) {
+ head = other
+ }
+ }
+ return new Range(anchor, head)
+ } else {
+ return new Range(other || head, head)
+ }
+ }
+
+// Extend the primary selection range, discard the rest.
+ function extendSelection(doc, head, other, options, extend) {
+ if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend) }
+ setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options)
+ }
+
+// Extend all selections (pos is an array of selections with length
+// equal the number of selections)
+ function extendSelections(doc, heads, options) {
+ var out = []
+ var extend = doc.cm && (doc.cm.display.shift || doc.extend)
+ for (var i = 0; i < doc.sel.ranges.length; i++)
+ { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend) }
+ var newSel = normalizeSelection(out, doc.sel.primIndex)
+ setSelection(doc, newSel, options)
+ }
+
+// Updates a single range in the selection.
+ function replaceOneSelection(doc, i, range, options) {
+ var ranges = doc.sel.ranges.slice(0)
+ ranges[i] = range
+ setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options)
+ }
+
+// Reset the selection to a single range.
+ function setSimpleSelection(doc, anchor, head, options) {
+ setSelection(doc, simpleSelection(anchor, head), options)
+ }
+
+// Give beforeSelectionChange handlers a change to influence a
+// selection update.
+ function filterSelectionChange(doc, sel, options) {
+ var obj = {
+ ranges: sel.ranges,
+ update: function(ranges) {
+ var this$1 = this;
+
+ this.ranges = []
+ for (var i = 0; i < ranges.length; i++)
+ { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
+ clipPos(doc, ranges[i].head)) }
+ },
+ origin: options && options.origin
+ }
+ signal(doc, "beforeSelectionChange", doc, obj)
+ if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj) }
+ if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) }
+ else { return sel }
+ }
+
+ function setSelectionReplaceHistory(doc, sel, options) {
+ var done = doc.history.done, last = lst(done)
+ if (last && last.ranges) {
+ done[done.length - 1] = sel
+ setSelectionNoUndo(doc, sel, options)
+ } else {
+ setSelection(doc, sel, options)
+ }
+ }
+
+// Set a new selection.
+ function setSelection(doc, sel, options) {
+ setSelectionNoUndo(doc, sel, options)
+ addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options)
+ }
+
+ function setSelectionNoUndo(doc, sel, options) {
+ if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
+ { sel = filterSelectionChange(doc, sel, options) }
+
+ var bias = options && options.bias ||
+ (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1)
+ setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true))
+
+ if (!(options && options.scroll === false) && doc.cm)
+ { ensureCursorVisible(doc.cm) }
+ }
+
+ function setSelectionInner(doc, sel) {
+ if (sel.equals(doc.sel)) { return }
+
+ doc.sel = sel
+
+ if (doc.cm) {
+ doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true
+ signalCursorActivity(doc.cm)
+ }
+ signalLater(doc, "cursorActivity", doc)
+ }
+
+// Verify that the selection does not partially select any atomic
+// marked ranges.
+ function reCheckSelection(doc) {
+ setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false))
+ }
+
+// Return a selection that does not partially select any atomic
+// ranges.
+ function skipAtomicInSelection(doc, sel, bias, mayClear) {
+ var out
+ for (var i = 0; i < sel.ranges.length; i++) {
+ var range = sel.ranges[i]
+ var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]
+ var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear)
+ var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear)
+ if (out || newAnchor != range.anchor || newHead != range.head) {
+ if (!out) { out = sel.ranges.slice(0, i) }
+ out[i] = new Range(newAnchor, newHead)
+ }
+ }
+ return out ? normalizeSelection(out, sel.primIndex) : sel
+ }
+
+ function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
+ var line = getLine(doc, pos.line)
+ if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+ var sp = line.markedSpans[i], m = sp.marker
+ if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
+ (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
+ if (mayClear) {
+ signal(m, "beforeCursorEnter")
+ if (m.explicitlyCleared) {
+ if (!line.markedSpans) { break }
+ else {--i; continue}
+ }
+ }
+ if (!m.atomic) { continue }
+
+ if (oldPos) {
+ var near = m.find(dir < 0 ? 1 : -1), diff = (void 0)
+ if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft)
+ { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null) }
+ if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
+ { return skipAtomicInner(doc, near, pos, dir, mayClear) }
+ }
+
+ var far = m.find(dir < 0 ? -1 : 1)
+ if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight)
+ { far = movePos(doc, far, dir, far.line == pos.line ? line : null) }
+ return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null
+ }
+ } }
+ return pos
+ }
+
+// Ensure a given position is not inside an atomic range.
+ function skipAtomic(doc, pos, oldPos, bias, mayClear) {
+ var dir = bias || 1
+ var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
+ (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
+ skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
+ (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true))
+ if (!found) {
+ doc.cantEdit = true
+ return Pos(doc.first, 0)
+ }
+ return found
+ }
+
+ function movePos(doc, pos, dir, line) {
+ if (dir < 0 && pos.ch == 0) {
+ if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }
+ else { return null }
+ } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
+ if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }
+ else { return null }
+ } else {
+ return new Pos(pos.line, pos.ch + dir)
+ }
+ }
+
+ function selectAll(cm) {
+ cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll)
+ }
+
+// UPDATING
+
+// Allow "beforeChange" event handlers to influence a change
+ function filterChange(doc, change, update) {
+ var obj = {
+ canceled: false,
+ from: change.from,
+ to: change.to,
+ text: change.text,
+ origin: change.origin,
+ cancel: function () { return obj.canceled = true; }
+ }
+ if (update) { obj.update = function (from, to, text, origin) {
+ if (from) { obj.from = clipPos(doc, from) }
+ if (to) { obj.to = clipPos(doc, to) }
+ if (text) { obj.text = text }
+ if (origin !== undefined) { obj.origin = origin }
+ } }
+ signal(doc, "beforeChange", doc, obj)
+ if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj) }
+
+ if (obj.canceled) { return null }
+ return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}
+ }
+
+// Apply a change to a document, and add it to the document's
+// history, and propagating it to all linked documents.
+ function makeChange(doc, change, ignoreReadOnly) {
+ if (doc.cm) {
+ if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }
+ if (doc.cm.state.suppressEdits) { return }
+ }
+
+ if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
+ change = filterChange(doc, change, true)
+ if (!change) { return }
+ }
+
+ // Possibly split or suppress the update based on the presence
+ // of read-only spans in its range.
+ var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to)
+ if (split) {
+ for (var i = split.length - 1; i >= 0; --i)
+ { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}) }
+ } else {
+ makeChangeInner(doc, change)
+ }
+ }
+
+ function makeChangeInner(doc, change) {
+ if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }
+ var selAfter = computeSelAfterChange(doc, change)
+ addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN)
+
+ makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change))
+ var rebased = []
+
+ linkedDocs(doc, function (doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change)
+ rebased.push(doc.history)
+ }
+ makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change))
+ })
+ }
+
+// Revert a change stored in a document's history.
+ function makeChangeFromHistory(doc, type, allowSelectionOnly) {
+ if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) { return }
+
+ var hist = doc.history, event, selAfter = doc.sel
+ var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done
+
+ // Verify that there is a useable event (so that ctrl-z won't
+ // needlessly clear selection events)
+ var i = 0
+ for (; i < source.length; i++) {
+ event = source[i]
+ if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
+ { break }
+ }
+ if (i == source.length) { return }
+ hist.lastOrigin = hist.lastSelOrigin = null
+
+ for (;;) {
+ event = source.pop()
+ if (event.ranges) {
+ pushSelectionToHistory(event, dest)
+ if (allowSelectionOnly && !event.equals(doc.sel)) {
+ setSelection(doc, event, {clearRedo: false})
+ return
+ }
+ selAfter = event
+ }
+ else { break }
+ }
+
+ // Build up a reverse change object to add to the opposite history
+ // stack (redo when undoing, and vice versa).
+ var antiChanges = []
+ pushSelectionToHistory(selAfter, dest)
+ dest.push({changes: antiChanges, generation: hist.generation})
+ hist.generation = event.generation || ++hist.maxGeneration
+
+ var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")
+
+ var loop = function ( i ) {
+ var change = event.changes[i]
+ change.origin = type
+ if (filter && !filterChange(doc, change, false)) {
+ source.length = 0
+ return {}
+ }
+
+ antiChanges.push(historyChangeFromChange(doc, change))
+
+ var after = i ? computeSelAfterChange(doc, change) : lst(source)
+ makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change))
+ if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}) }
+ var rebased = []
+
+ // Propagate to the linked documents
+ linkedDocs(doc, function (doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change)
+ rebased.push(doc.history)
+ }
+ makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change))
+ })
+ };
+
+ for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {
+ var returned = loop( i$1 );
+
+ if ( returned ) return returned.v;
+ }
+ }
+
+// Sub-views need their line numbers shifted when text is added
+// above or below them in the parent document.
+ function shiftDoc(doc, distance) {
+ if (distance == 0) { return }
+ doc.first += distance
+ doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(
+ Pos(range.anchor.line + distance, range.anchor.ch),
+ Pos(range.head.line + distance, range.head.ch)
+ ); }), doc.sel.primIndex)
+ if (doc.cm) {
+ regChange(doc.cm, doc.first, doc.first - distance, distance)
+ for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
+ { regLineChange(doc.cm, l, "gutter") }
+ }
+ }
+
+// More lower-level change function, handling only a single document
+// (not linked ones).
+ function makeChangeSingleDoc(doc, change, selAfter, spans) {
+ if (doc.cm && !doc.cm.curOp)
+ { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }
+
+ if (change.to.line < doc.first) {
+ shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line))
+ return
+ }
+ if (change.from.line > doc.lastLine()) { return }
+
+ // Clip the change to the size of this doc
+ if (change.from.line < doc.first) {
+ var shift = change.text.length - 1 - (doc.first - change.from.line)
+ shiftDoc(doc, shift)
+ change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
+ text: [lst(change.text)], origin: change.origin}
+ }
+ var last = doc.lastLine()
+ if (change.to.line > last) {
+ change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
+ text: [change.text[0]], origin: change.origin}
+ }
+
+ change.removed = getBetween(doc, change.from, change.to)
+
+ if (!selAfter) { selAfter = computeSelAfterChange(doc, change) }
+ if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans) }
+ else { updateDoc(doc, change, spans) }
+ setSelectionNoUndo(doc, selAfter, sel_dontScroll)
+ }
+
+// Handle the interaction of a change to a document with the editor
+// that this document is part of.
+ function makeChangeSingleDocInEditor(cm, change, spans) {
+ var doc = cm.doc, display = cm.display, from = change.from, to = change.to
+
+ var recomputeMaxLength = false, checkWidthStart = from.line
+ if (!cm.options.lineWrapping) {
+ checkWidthStart = lineNo(visualLine(getLine(doc, from.line)))
+ doc.iter(checkWidthStart, to.line + 1, function (line) {
+ if (line == display.maxLine) {
+ recomputeMaxLength = true
+ return true
+ }
+ })
+ }
+
+ if (doc.sel.contains(change.from, change.to) > -1)
+ { signalCursorActivity(cm) }
+
+ updateDoc(doc, change, spans, estimateHeight(cm))
+
+ if (!cm.options.lineWrapping) {
+ doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
+ var len = lineLength(line)
+ if (len > display.maxLineLength) {
+ display.maxLine = line
+ display.maxLineLength = len
+ display.maxLineChanged = true
+ recomputeMaxLength = false
+ }
+ })
+ if (recomputeMaxLength) { cm.curOp.updateMaxLine = true }
+ }
+
+ retreatFrontier(doc, from.line)
+ startWorker(cm, 400)
+
+ var lendiff = change.text.length - (to.line - from.line) - 1
+ // Remember that these lines changed, for updating the display
+ if (change.full)
+ { regChange(cm) }
+ else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
+ { regLineChange(cm, from.line, "text") }
+ else
+ { regChange(cm, from.line, to.line + 1, lendiff) }
+
+ var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change")
+ if (changeHandler || changesHandler) {
+ var obj = {
+ from: from, to: to,
+ text: change.text,
+ removed: change.removed,
+ origin: change.origin
+ }
+ if (changeHandler) { signalLater(cm, "change", cm, obj) }
+ if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj) }
+ }
+ cm.display.selForContextMenu = null
+ }
+
+ function replaceRange(doc, code, from, to, origin) {
+ if (!to) { to = from }
+ if (cmp(to, from) < 0) { var assign;
+ (assign = [to, from], from = assign[0], to = assign[1], assign) }
+ if (typeof code == "string") { code = doc.splitLines(code) }
+ makeChange(doc, {from: from, to: to, text: code, origin: origin})
+ }
+
+// Rebasing/resetting history to deal with externally-sourced changes
+
+ function rebaseHistSelSingle(pos, from, to, diff) {
+ if (to < pos.line) {
+ pos.line += diff
+ } else if (from < pos.line) {
+ pos.line = from
+ pos.ch = 0
+ }
+ }
+
+// Tries to rebase an array of history events given a change in the
+// document. If the change touches the same lines as the event, the
+// event, and everything 'behind' it, is discarded. If the change is
+// before the event, the event's positions are updated. Uses a
+// copy-on-write scheme for the positions, to avoid having to
+// reallocate them all on every rebase, but also avoid problems with
+// shared position objects being unsafely updated.
+ function rebaseHistArray(array, from, to, diff) {
+ for (var i = 0; i < array.length; ++i) {
+ var sub = array[i], ok = true
+ if (sub.ranges) {
+ if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true }
+ for (var j = 0; j < sub.ranges.length; j++) {
+ rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff)
+ rebaseHistSelSingle(sub.ranges[j].head, from, to, diff)
+ }
+ continue
+ }
+ for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {
+ var cur = sub.changes[j$1]
+ if (to < cur.from.line) {
+ cur.from = Pos(cur.from.line + diff, cur.from.ch)
+ cur.to = Pos(cur.to.line + diff, cur.to.ch)
+ } else if (from <= cur.to.line) {
+ ok = false
+ break
+ }
+ }
+ if (!ok) {
+ array.splice(0, i + 1)
+ i = 0
+ }
+ }
+ }
+
+ function rebaseHist(hist, change) {
+ var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1
+ rebaseHistArray(hist.done, from, to, diff)
+ rebaseHistArray(hist.undone, from, to, diff)
+ }
+
+// Utility for applying a change to a line by handle or number,
+// returning the number and optionally registering the line as
+// changed.
+ function changeLine(doc, handle, changeType, op) {
+ var no = handle, line = handle
+ if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)) }
+ else { no = lineNo(handle) }
+ if (no == null) { return null }
+ if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType) }
+ return line
+ }
+
+// The document is represented as a BTree consisting of leaves, with
+// chunk of lines in them, and branches, with up to ten leaves or
+// other branch nodes below them. The top node is always a branch
+// node, and is the document object itself (meaning it has
+// additional methods and properties).
+//
+// All nodes have parent links. The tree is used both to go from
+// line numbers to line objects, and to go from objects to numbers.
+// It also indexes by height, and is used to convert between height
+// and line object, and to find the total height of the document.
+//
+// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
+
+ function LeafChunk(lines) {
+ var this$1 = this;
+
+ this.lines = lines
+ this.parent = null
+ var height = 0
+ for (var i = 0; i < lines.length; ++i) {
+ lines[i].parent = this$1
+ height += lines[i].height
+ }
+ this.height = height
+ }
+
+ LeafChunk.prototype = {
+ chunkSize: function chunkSize() { return this.lines.length },
+
+ // Remove the n lines at offset 'at'.
+ removeInner: function removeInner(at, n) {
+ var this$1 = this;
+
+ for (var i = at, e = at + n; i < e; ++i) {
+ var line = this$1.lines[i]
+ this$1.height -= line.height
+ cleanUpLine(line)
+ signalLater(line, "delete")
+ }
+ this.lines.splice(at, n)
+ },
+
+ // Helper used to collapse a small branch into a single leaf.
+ collapse: function collapse(lines) {
+ lines.push.apply(lines, this.lines)
+ },
+
+ // Insert the given array of lines at offset 'at', count them as
+ // having the given height.
+ insertInner: function insertInner(at, lines, height) {
+ var this$1 = this;
+
+ this.height += height
+ this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at))
+ for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1 }
+ },
+
+ // Used to iterate over a part of the tree.
+ iterN: function iterN(at, n, op) {
+ var this$1 = this;
+
+ for (var e = at + n; at < e; ++at)
+ { if (op(this$1.lines[at])) { return true } }
+ }
+ }
+
+ function BranchChunk(children) {
+ var this$1 = this;
+
+ this.children = children
+ var size = 0, height = 0
+ for (var i = 0; i < children.length; ++i) {
+ var ch = children[i]
+ size += ch.chunkSize(); height += ch.height
+ ch.parent = this$1
+ }
+ this.size = size
+ this.height = height
+ this.parent = null
+ }
+
+ BranchChunk.prototype = {
+ chunkSize: function chunkSize() { return this.size },
+
+ removeInner: function removeInner(at, n) {
+ var this$1 = this;
+
+ this.size -= n
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize()
+ if (at < sz) {
+ var rm = Math.min(n, sz - at), oldHeight = child.height
+ child.removeInner(at, rm)
+ this$1.height -= oldHeight - child.height
+ if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null }
+ if ((n -= rm) == 0) { break }
+ at = 0
+ } else { at -= sz }
+ }
+ // If the result is smaller than 25 lines, ensure that it is a
+ // single leaf node.
+ if (this.size - n < 25 &&
+ (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
+ var lines = []
+ this.collapse(lines)
+ this.children = [new LeafChunk(lines)]
+ this.children[0].parent = this
+ }
+ },
+
+ collapse: function collapse(lines) {
+ var this$1 = this;
+
+ for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines) }
+ },
+
+ insertInner: function insertInner(at, lines, height) {
+ var this$1 = this;
+
+ this.size += lines.length
+ this.height += height
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize()
+ if (at <= sz) {
+ child.insertInner(at, lines, height)
+ if (child.lines && child.lines.length > 50) {
+ // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
+ // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
+ var remaining = child.lines.length % 25 + 25
+ for (var pos = remaining; pos < child.lines.length;) {
+ var leaf = new LeafChunk(child.lines.slice(pos, pos += 25))
+ child.height -= leaf.height
+ this$1.children.splice(++i, 0, leaf)
+ leaf.parent = this$1
+ }
+ child.lines = child.lines.slice(0, remaining)
+ this$1.maybeSpill()
+ }
+ break
+ }
+ at -= sz
+ }
+ },
+
+ // When a node has grown, check whether it should be split.
+ maybeSpill: function maybeSpill() {
+ if (this.children.length <= 10) { return }
+ var me = this
+ do {
+ var spilled = me.children.splice(me.children.length - 5, 5)
+ var sibling = new BranchChunk(spilled)
+ if (!me.parent) { // Become the parent node
+ var copy = new BranchChunk(me.children)
+ copy.parent = me
+ me.children = [copy, sibling]
+ me = copy
+ } else {
+ me.size -= sibling.size
+ me.height -= sibling.height
+ var myIndex = indexOf(me.parent.children, me)
+ me.parent.children.splice(myIndex + 1, 0, sibling)
+ }
+ sibling.parent = me.parent
+ } while (me.children.length > 10)
+ me.parent.maybeSpill()
+ },
+
+ iterN: function iterN(at, n, op) {
+ var this$1 = this;
+
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize()
+ if (at < sz) {
+ var used = Math.min(n, sz - at)
+ if (child.iterN(at, used, op)) { return true }
+ if ((n -= used) == 0) { break }
+ at = 0
+ } else { at -= sz }
+ }
+ }
+ }
+
+// Line widgets are block elements displayed above or below a line.
+
+ var LineWidget = function(doc, node, options) {
+ var this$1 = this;
+
+ if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))
+ { this$1[opt] = options[opt] } } }
+ this.doc = doc
+ this.node = node
+ };
+
+ LineWidget.prototype.clear = function () {
+ var this$1 = this;
+
+ var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line)
+ if (no == null || !ws) { return }
+ for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1) } }
+ if (!ws.length) { line.widgets = null }
+ var height = widgetHeight(this)
+ updateLineHeight(line, Math.max(0, line.height - height))
+ if (cm) {
+ runInOp(cm, function () {
+ adjustScrollWhenAboveVisible(cm, line, -height)
+ regLineChange(cm, no, "widget")
+ })
+ signalLater(cm, "lineWidgetCleared", cm, this, no)
+ }
+ };
+
+ LineWidget.prototype.changed = function () {
+ var this$1 = this;
+
+ var oldH = this.height, cm = this.doc.cm, line = this.line
+ this.height = null
+ var diff = widgetHeight(this) - oldH
+ if (!diff) { return }
+ updateLineHeight(line, line.height + diff)
+ if (cm) {
+ runInOp(cm, function () {
+ cm.curOp.forceUpdate = true
+ adjustScrollWhenAboveVisible(cm, line, diff)
+ signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line))
+ })
+ }
+ };
+ eventMixin(LineWidget)
+
+ function adjustScrollWhenAboveVisible(cm, line, diff) {
+ if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
+ { addToScrollTop(cm, diff) }
+ }
+
+ function addLineWidget(doc, handle, node, options) {
+ var widget = new LineWidget(doc, node, options)
+ var cm = doc.cm
+ if (cm && widget.noHScroll) { cm.display.alignWidgets = true }
+ changeLine(doc, handle, "widget", function (line) {
+ var widgets = line.widgets || (line.widgets = [])
+ if (widget.insertAt == null) { widgets.push(widget) }
+ else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget) }
+ widget.line = line
+ if (cm && !lineIsHidden(doc, line)) {
+ var aboveVisible = heightAtLine(line) < doc.scrollTop
+ updateLineHeight(line, line.height + widgetHeight(widget))
+ if (aboveVisible) { addToScrollTop(cm, widget.height) }
+ cm.curOp.forceUpdate = true
+ }
+ return true
+ })
+ signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle))
+ return widget
+ }
+
+// TEXTMARKERS
+
+// Created with markText and setBookmark methods. A TextMarker is a
+// handle that can be used to clear or find a marked position in the
+// document. Line objects hold arrays (markedSpans) containing
+// {from, to, marker} object pointing to such marker objects, and
+// indicating that such a marker is present on that line. Multiple
+// lines may point to the same marker when it spans across lines.
+// The spans will have null for their from/to properties when the
+// marker continues beyond the start/end of the line. Markers have
+// links back to the lines they currently touch.
+
+// Collapsed markers have unique ids, in order to be able to order
+// them, which is needed for uniquely determining an outer marker
+// when they overlap (they may nest, but not partially overlap).
+ var nextMarkerId = 0
+
+ var TextMarker = function(doc, type) {
+ this.lines = []
+ this.type = type
+ this.doc = doc
+ this.id = ++nextMarkerId
+ };
+
+// Clear the marker.
+ TextMarker.prototype.clear = function () {
+ var this$1 = this;
+
+ if (this.explicitlyCleared) { return }
+ var cm = this.doc.cm, withOp = cm && !cm.curOp
+ if (withOp) { startOperation(cm) }
+ if (hasHandler(this, "clear")) {
+ var found = this.find()
+ if (found) { signalLater(this, "clear", found.from, found.to) }
+ }
+ var min = null, max = null
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this$1.lines[i]
+ var span = getMarkedSpanFor(line.markedSpans, this$1)
+ if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text") }
+ else if (cm) {
+ if (span.to != null) { max = lineNo(line) }
+ if (span.from != null) { min = lineNo(line) }
+ }
+ line.markedSpans = removeMarkedSpan(line.markedSpans, span)
+ if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)
+ { updateLineHeight(line, textHeight(cm.display)) }
+ }
+ if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {
+ var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual)
+ if (len > cm.display.maxLineLength) {
+ cm.display.maxLine = visual
+ cm.display.maxLineLength = len
+ cm.display.maxLineChanged = true
+ }
+ } }
+
+ if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1) }
+ this.lines.length = 0
+ this.explicitlyCleared = true
+ if (this.atomic && this.doc.cantEdit) {
+ this.doc.cantEdit = false
+ if (cm) { reCheckSelection(cm.doc) }
+ }
+ if (cm) { signalLater(cm, "markerCleared", cm, this, min, max) }
+ if (withOp) { endOperation(cm) }
+ if (this.parent) { this.parent.clear() }
+ };
+
+// Find the position of the marker in the document. Returns a {from,
+// to} object by default. Side can be passed to get a specific side
+// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
+// Pos objects returned contain a line object, rather than a line
+// number (used to prevent looking up the same line twice).
+ TextMarker.prototype.find = function (side, lineObj) {
+ var this$1 = this;
+
+ if (side == null && this.type == "bookmark") { side = 1 }
+ var from, to
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this$1.lines[i]
+ var span = getMarkedSpanFor(line.markedSpans, this$1)
+ if (span.from != null) {
+ from = Pos(lineObj ? line : lineNo(line), span.from)
+ if (side == -1) { return from }
+ }
+ if (span.to != null) {
+ to = Pos(lineObj ? line : lineNo(line), span.to)
+ if (side == 1) { return to }
+ }
+ }
+ return from && {from: from, to: to}
+ };
+
+// Signals that the marker's widget changed, and surrounding layout
+// should be recomputed.
+ TextMarker.prototype.changed = function () {
+ var this$1 = this;
+
+ var pos = this.find(-1, true), widget = this, cm = this.doc.cm
+ if (!pos || !cm) { return }
+ runInOp(cm, function () {
+ var line = pos.line, lineN = lineNo(pos.line)
+ var view = findViewForLine(cm, lineN)
+ if (view) {
+ clearLineMeasurementCacheFor(view)
+ cm.curOp.selectionChanged = cm.curOp.forceUpdate = true
+ }
+ cm.curOp.updateMaxLine = true
+ if (!lineIsHidden(widget.doc, line) && widget.height != null) {
+ var oldHeight = widget.height
+ widget.height = null
+ var dHeight = widgetHeight(widget) - oldHeight
+ if (dHeight)
+ { updateLineHeight(line, line.height + dHeight) }
+ }
+ signalLater(cm, "markerChanged", cm, this$1)
+ })
+ };
+
+ TextMarker.prototype.attachLine = function (line) {
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp
+ if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
+ { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this) }
+ }
+ this.lines.push(line)
+ };
+
+ TextMarker.prototype.detachLine = function (line) {
+ this.lines.splice(indexOf(this.lines, line), 1)
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp
+ ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this)
+ }
+ };
+ eventMixin(TextMarker)
+
+// Create a marker, wire it up to the right lines, and
+ function markText(doc, from, to, options, type) {
+ // Shared markers (across linked documents) are handled separately
+ // (markTextShared will call out to this again, once per
+ // document).
+ if (options && options.shared) { return markTextShared(doc, from, to, options, type) }
+ // Ensure we are in an operation.
+ if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }
+
+ var marker = new TextMarker(doc, type), diff = cmp(from, to)
+ if (options) { copyObj(options, marker, false) }
+ // Don't connect empty markers unless clearWhenEmpty is false
+ if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
+ { return marker }
+ if (marker.replacedWith) {
+ // Showing up as a widget implies collapsed (widget replaces text)
+ marker.collapsed = true
+ marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget")
+ if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true") }
+ if (options.insertLeft) { marker.widgetNode.insertLeft = true }
+ }
+ if (marker.collapsed) {
+ if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
+ from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
+ { throw new Error("Inserting collapsed marker partially overlapping an existing one") }
+ seeCollapsedSpans()
+ }
+
+ if (marker.addToHistory)
+ { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN) }
+
+ var curLine = from.line, cm = doc.cm, updateMaxLine
+ doc.iter(curLine, to.line + 1, function (line) {
+ if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
+ { updateMaxLine = true }
+ if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0) }
+ addMarkedSpan(line, new MarkedSpan(marker,
+ curLine == from.line ? from.ch : null,
+ curLine == to.line ? to.ch : null))
+ ++curLine
+ })
+ // lineIsHidden depends on the presence of the spans, so needs a second pass
+ if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {
+ if (lineIsHidden(doc, line)) { updateLineHeight(line, 0) }
+ }) }
+
+ if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }) }
+
+ if (marker.readOnly) {
+ seeReadOnlySpans()
+ if (doc.history.done.length || doc.history.undone.length)
+ { doc.clearHistory() }
+ }
+ if (marker.collapsed) {
+ marker.id = ++nextMarkerId
+ marker.atomic = true
+ }
+ if (cm) {
+ // Sync editor state
+ if (updateMaxLine) { cm.curOp.updateMaxLine = true }
+ if (marker.collapsed)
+ { regChange(cm, from.line, to.line + 1) }
+ else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)
+ { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text") } }
+ if (marker.atomic) { reCheckSelection(cm.doc) }
+ signalLater(cm, "markerAdded", cm, marker)
+ }
+ return marker
+ }
+
+// SHARED TEXTMARKERS
+
+// A shared marker spans multiple linked documents. It is
+// implemented as a meta-marker-object controlling multiple normal
+// markers.
+ var SharedTextMarker = function(markers, primary) {
+ var this$1 = this;
+
+ this.markers = markers
+ this.primary = primary
+ for (var i = 0; i < markers.length; ++i)
+ { markers[i].parent = this$1 }
+ };
+
+ SharedTextMarker.prototype.clear = function () {
+ var this$1 = this;
+
+ if (this.explicitlyCleared) { return }
+ this.explicitlyCleared = true
+ for (var i = 0; i < this.markers.length; ++i)
+ { this$1.markers[i].clear() }
+ signalLater(this, "clear")
+ };
+
+ SharedTextMarker.prototype.find = function (side, lineObj) {
+ return this.primary.find(side, lineObj)
+ };
+ eventMixin(SharedTextMarker)
+
+ function markTextShared(doc, from, to, options, type) {
+ options = copyObj(options)
+ options.shared = false
+ var markers = [markText(doc, from, to, options, type)], primary = markers[0]
+ var widget = options.widgetNode
+ linkedDocs(doc, function (doc) {
+ if (widget) { options.widgetNode = widget.cloneNode(true) }
+ markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type))
+ for (var i = 0; i < doc.linked.length; ++i)
+ { if (doc.linked[i].isParent) { return } }
+ primary = lst(markers)
+ })
+ return new SharedTextMarker(markers, primary)
+ }
+
+ function findSharedMarkers(doc) {
+ return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })
+ }
+
+ function copySharedMarkers(doc, markers) {
+ for (var i = 0; i < markers.length; i++) {
+ var marker = markers[i], pos = marker.find()
+ var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to)
+ if (cmp(mFrom, mTo)) {
+ var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type)
+ marker.markers.push(subMark)
+ subMark.parent = marker
+ }
+ }
+ }
+
+ function detachSharedMarkers(markers) {
+ var loop = function ( i ) {
+ var marker = markers[i], linked = [marker.primary.doc]
+ linkedDocs(marker.primary.doc, function (d) { return linked.push(d); })
+ for (var j = 0; j < marker.markers.length; j++) {
+ var subMarker = marker.markers[j]
+ if (indexOf(linked, subMarker.doc) == -1) {
+ subMarker.parent = null
+ marker.markers.splice(j--, 1)
+ }
+ }
+ };
+
+ for (var i = 0; i < markers.length; i++) loop( i );
+ }
+
+ var nextDocId = 0
+ var Doc = function(text, mode, firstLine, lineSep, direction) {
+ if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }
+ if (firstLine == null) { firstLine = 0 }
+
+ BranchChunk.call(this, [new LeafChunk([new Line("", null)])])
+ this.first = firstLine
+ this.scrollTop = this.scrollLeft = 0
+ this.cantEdit = false
+ this.cleanGeneration = 1
+ this.modeFrontier = this.highlightFrontier = firstLine
+ var start = Pos(firstLine, 0)
+ this.sel = simpleSelection(start)
+ this.history = new History(null)
+ this.id = ++nextDocId
+ this.modeOption = mode
+ this.lineSep = lineSep
+ this.direction = (direction == "rtl") ? "rtl" : "ltr"
+ this.extend = false
+
+ if (typeof text == "string") { text = this.splitLines(text) }
+ updateDoc(this, {from: start, to: start, text: text})
+ setSelection(this, simpleSelection(start), sel_dontScroll)
+ }
+
+ Doc.prototype = createObj(BranchChunk.prototype, {
+ constructor: Doc,
+ // Iterate over the document. Supports two forms -- with only one
+ // argument, it calls that for each line in the document. With
+ // three, it iterates over the range given by the first two (with
+ // the second being non-inclusive).
+ iter: function(from, to, op) {
+ if (op) { this.iterN(from - this.first, to - from, op) }
+ else { this.iterN(this.first, this.first + this.size, from) }
+ },
+
+ // Non-public interface for adding and removing lines.
+ insert: function(at, lines) {
+ var height = 0
+ for (var i = 0; i < lines.length; ++i) { height += lines[i].height }
+ this.insertInner(at - this.first, lines, height)
+ },
+ remove: function(at, n) { this.removeInner(at - this.first, n) },
+
+ // From here, the methods are part of the public interface. Most
+ // are also available from CodeMirror (editor) instances.
+
+ getValue: function(lineSep) {
+ var lines = getLines(this, this.first, this.first + this.size)
+ if (lineSep === false) { return lines }
+ return lines.join(lineSep || this.lineSeparator())
+ },
+ setValue: docMethodOp(function(code) {
+ var top = Pos(this.first, 0), last = this.first + this.size - 1
+ makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
+ text: this.splitLines(code), origin: "setValue", full: true}, true)
+ if (this.cm) { scrollToCoords(this.cm, 0, 0) }
+ setSelection(this, simpleSelection(top), sel_dontScroll)
+ }),
+ replaceRange: function(code, from, to, origin) {
+ from = clipPos(this, from)
+ to = to ? clipPos(this, to) : from
+ replaceRange(this, code, from, to, origin)
+ },
+ getRange: function(from, to, lineSep) {
+ var lines = getBetween(this, clipPos(this, from), clipPos(this, to))
+ if (lineSep === false) { return lines }
+ return lines.join(lineSep || this.lineSeparator())
+ },
+
+ getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},
+
+ getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},
+ getLineNumber: function(line) {return lineNo(line)},
+
+ getLineHandleVisualStart: function(line) {
+ if (typeof line == "number") { line = getLine(this, line) }
+ return visualLine(line)
+ },
+
+ lineCount: function() {return this.size},
+ firstLine: function() {return this.first},
+ lastLine: function() {return this.first + this.size - 1},
+
+ clipPos: function(pos) {return clipPos(this, pos)},
+
+ getCursor: function(start) {
+ var range = this.sel.primary(), pos
+ if (start == null || start == "head") { pos = range.head }
+ else if (start == "anchor") { pos = range.anchor }
+ else if (start == "end" || start == "to" || start === false) { pos = range.to() }
+ else { pos = range.from() }
+ return pos
+ },
+ listSelections: function() { return this.sel.ranges },
+ somethingSelected: function() {return this.sel.somethingSelected()},
+
+ setCursor: docMethodOp(function(line, ch, options) {
+ setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options)
+ }),
+ setSelection: docMethodOp(function(anchor, head, options) {
+ setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options)
+ }),
+ extendSelection: docMethodOp(function(head, other, options) {
+ extendSelection(this, clipPos(this, head), other && clipPos(this, other), options)
+ }),
+ extendSelections: docMethodOp(function(heads, options) {
+ extendSelections(this, clipPosArray(this, heads), options)
+ }),
+ extendSelectionsBy: docMethodOp(function(f, options) {
+ var heads = map(this.sel.ranges, f)
+ extendSelections(this, clipPosArray(this, heads), options)
+ }),
+ setSelections: docMethodOp(function(ranges, primary, options) {
+ var this$1 = this;
+
+ if (!ranges.length) { return }
+ var out = []
+ for (var i = 0; i < ranges.length; i++)
+ { out[i] = new Range(clipPos(this$1, ranges[i].anchor),
+ clipPos(this$1, ranges[i].head)) }
+ if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex) }
+ setSelection(this, normalizeSelection(out, primary), options)
+ }),
+ addSelection: docMethodOp(function(anchor, head, options) {
+ var ranges = this.sel.ranges.slice(0)
+ ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)))
+ setSelection(this, normalizeSelection(ranges, ranges.length - 1), options)
+ }),
+
+ getSelection: function(lineSep) {
+ var this$1 = this;
+
+ var ranges = this.sel.ranges, lines
+ for (var i = 0; i < ranges.length; i++) {
+ var sel = getBetween(this$1, ranges[i].from(), ranges[i].to())
+ lines = lines ? lines.concat(sel) : sel
+ }
+ if (lineSep === false) { return lines }
+ else { return lines.join(lineSep || this.lineSeparator()) }
+ },
+ getSelections: function(lineSep) {
+ var this$1 = this;
+
+ var parts = [], ranges = this.sel.ranges
+ for (var i = 0; i < ranges.length; i++) {
+ var sel = getBetween(this$1, ranges[i].from(), ranges[i].to())
+ if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()) }
+ parts[i] = sel
+ }
+ return parts
+ },
+ replaceSelection: function(code, collapse, origin) {
+ var dup = []
+ for (var i = 0; i < this.sel.ranges.length; i++)
+ { dup[i] = code }
+ this.replaceSelections(dup, collapse, origin || "+input")
+ },
+ replaceSelections: docMethodOp(function(code, collapse, origin) {
+ var this$1 = this;
+
+ var changes = [], sel = this.sel
+ for (var i = 0; i < sel.ranges.length; i++) {
+ var range = sel.ranges[i]
+ changes[i] = {from: range.from(), to: range.to(), text: this$1.splitLines(code[i]), origin: origin}
+ }
+ var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse)
+ for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)
+ { makeChange(this$1, changes[i$1]) }
+ if (newSel) { setSelectionReplaceHistory(this, newSel) }
+ else if (this.cm) { ensureCursorVisible(this.cm) }
+ }),
+ undo: docMethodOp(function() {makeChangeFromHistory(this, "undo")}),
+ redo: docMethodOp(function() {makeChangeFromHistory(this, "redo")}),
+ undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true)}),
+ redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true)}),
+
+ setExtending: function(val) {this.extend = val},
+ getExtending: function() {return this.extend},
+
+ historySize: function() {
+ var hist = this.history, done = 0, undone = 0
+ for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done } }
+ for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone } }
+ return {undo: done, redo: undone}
+ },
+ clearHistory: function() {this.history = new History(this.history.maxGeneration)},
+
+ markClean: function() {
+ this.cleanGeneration = this.changeGeneration(true)
+ },
+ changeGeneration: function(forceSplit) {
+ if (forceSplit)
+ { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null }
+ return this.history.generation
+ },
+ isClean: function (gen) {
+ return this.history.generation == (gen || this.cleanGeneration)
+ },
+
+ getHistory: function() {
+ return {done: copyHistoryArray(this.history.done),
+ undone: copyHistoryArray(this.history.undone)}
+ },
+ setHistory: function(histData) {
+ var hist = this.history = new History(this.history.maxGeneration)
+ hist.done = copyHistoryArray(histData.done.slice(0), null, true)
+ hist.undone = copyHistoryArray(histData.undone.slice(0), null, true)
+ },
+
+ setGutterMarker: docMethodOp(function(line, gutterID, value) {
+ return changeLine(this, line, "gutter", function (line) {
+ var markers = line.gutterMarkers || (line.gutterMarkers = {})
+ markers[gutterID] = value
+ if (!value && isEmpty(markers)) { line.gutterMarkers = null }
+ return true
+ })
+ }),
+
+ clearGutter: docMethodOp(function(gutterID) {
+ var this$1 = this;
+
+ this.iter(function (line) {
+ if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
+ changeLine(this$1, line, "gutter", function () {
+ line.gutterMarkers[gutterID] = null
+ if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null }
+ return true
+ })
+ }
+ })
+ }),
+
+ lineInfo: function(line) {
+ var n
+ if (typeof line == "number") {
+ if (!isLine(this, line)) { return null }
+ n = line
+ line = getLine(this, line)
+ if (!line) { return null }
+ } else {
+ n = lineNo(line)
+ if (n == null) { return null }
+ }
+ return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
+ textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
+ widgets: line.widgets}
+ },
+
+ addLineClass: docMethodOp(function(handle, where, cls) {
+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+ var prop = where == "text" ? "textClass"
+ : where == "background" ? "bgClass"
+ : where == "gutter" ? "gutterClass" : "wrapClass"
+ if (!line[prop]) { line[prop] = cls }
+ else if (classTest(cls).test(line[prop])) { return false }
+ else { line[prop] += " " + cls }
+ return true
+ })
+ }),
+ removeLineClass: docMethodOp(function(handle, where, cls) {
+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+ var prop = where == "text" ? "textClass"
+ : where == "background" ? "bgClass"
+ : where == "gutter" ? "gutterClass" : "wrapClass"
+ var cur = line[prop]
+ if (!cur) { return false }
+ else if (cls == null) { line[prop] = null }
+ else {
+ var found = cur.match(classTest(cls))
+ if (!found) { return false }
+ var end = found.index + found[0].length
+ line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null
+ }
+ return true
+ })
+ }),
+
+ addLineWidget: docMethodOp(function(handle, node, options) {
+ return addLineWidget(this, handle, node, options)
+ }),
+ removeLineWidget: function(widget) { widget.clear() },
+
+ markText: function(from, to, options) {
+ return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
+ },
+ setBookmark: function(pos, options) {
+ var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
+ insertLeft: options && options.insertLeft,
+ clearWhenEmpty: false, shared: options && options.shared,
+ handleMouseEvents: options && options.handleMouseEvents}
+ pos = clipPos(this, pos)
+ return markText(this, pos, pos, realOpts, "bookmark")
+ },
+ findMarksAt: function(pos) {
+ pos = clipPos(this, pos)
+ var markers = [], spans = getLine(this, pos.line).markedSpans
+ if (spans) { for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i]
+ if ((span.from == null || span.from <= pos.ch) &&
+ (span.to == null || span.to >= pos.ch))
+ { markers.push(span.marker.parent || span.marker) }
+ } }
+ return markers
+ },
+ findMarks: function(from, to, filter) {
+ from = clipPos(this, from); to = clipPos(this, to)
+ var found = [], lineNo = from.line
+ this.iter(from.line, to.line + 1, function (line) {
+ var spans = line.markedSpans
+ if (spans) { for (var i = 0; i < spans.length; i++) {
+ var span = spans[i]
+ if (!(span.to != null && lineNo == from.line && from.ch >= span.to ||
+ span.from == null && lineNo != from.line ||
+ span.from != null && lineNo == to.line && span.from >= to.ch) &&
+ (!filter || filter(span.marker)))
+ { found.push(span.marker.parent || span.marker) }
+ } }
+ ++lineNo
+ })
+ return found
+ },
+ getAllMarks: function() {
+ var markers = []
+ this.iter(function (line) {
+ var sps = line.markedSpans
+ if (sps) { for (var i = 0; i < sps.length; ++i)
+ { if (sps[i].from != null) { markers.push(sps[i].marker) } } }
+ })
+ return markers
+ },
+
+ posFromIndex: function(off) {
+ var ch, lineNo = this.first, sepSize = this.lineSeparator().length
+ this.iter(function (line) {
+ var sz = line.text.length + sepSize
+ if (sz > off) { ch = off; return true }
+ off -= sz
+ ++lineNo
+ })
+ return clipPos(this, Pos(lineNo, ch))
+ },
+ indexFromPos: function (coords) {
+ coords = clipPos(this, coords)
+ var index = coords.ch
+ if (coords.line < this.first || coords.ch < 0) { return 0 }
+ var sepSize = this.lineSeparator().length
+ this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value
+ index += line.text.length + sepSize
+ })
+ return index
+ },
+
+ copy: function(copyHistory) {
+ var doc = new Doc(getLines(this, this.first, this.first + this.size),
+ this.modeOption, this.first, this.lineSep, this.direction)
+ doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft
+ doc.sel = this.sel
+ doc.extend = false
+ if (copyHistory) {
+ doc.history.undoDepth = this.history.undoDepth
+ doc.setHistory(this.getHistory())
+ }
+ return doc
+ },
+
+ linkedDoc: function(options) {
+ if (!options) { options = {} }
+ var from = this.first, to = this.first + this.size
+ if (options.from != null && options.from > from) { from = options.from }
+ if (options.to != null && options.to < to) { to = options.to }
+ var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction)
+ if (options.sharedHist) { copy.history = this.history
+ ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist})
+ copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]
+ copySharedMarkers(copy, findSharedMarkers(this))
+ return copy
+ },
+ unlinkDoc: function(other) {
+ var this$1 = this;
+
+ if (other instanceof CodeMirror) { other = other.doc }
+ if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {
+ var link = this$1.linked[i]
+ if (link.doc != other) { continue }
+ this$1.linked.splice(i, 1)
+ other.unlinkDoc(this$1)
+ detachSharedMarkers(findSharedMarkers(this$1))
+ break
+ } }
+ // If the histories were shared, split them again
+ if (other.history == this.history) {
+ var splitIds = [other.id]
+ linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true)
+ other.history = new History(null)
+ other.history.done = copyHistoryArray(this.history.done, splitIds)
+ other.history.undone = copyHistoryArray(this.history.undone, splitIds)
+ }
+ },
+ iterLinkedDocs: function(f) {linkedDocs(this, f)},
+
+ getMode: function() {return this.mode},
+ getEditor: function() {return this.cm},
+
+ splitLines: function(str) {
+ if (this.lineSep) { return str.split(this.lineSep) }
+ return splitLinesAuto(str)
+ },
+ lineSeparator: function() { return this.lineSep || "\n" },
+
+ setDirection: docMethodOp(function (dir) {
+ if (dir != "rtl") { dir = "ltr" }
+ if (dir == this.direction) { return }
+ this.direction = dir
+ this.iter(function (line) { return line.order = null; })
+ if (this.cm) { directionChanged(this.cm) }
+ })
+ })
+
+// Public alias.
+ Doc.prototype.eachLine = Doc.prototype.iter
+
+// Kludge to work around strange IE behavior where it'll sometimes
+// re-fire a series of drag-related events right after the drop (#1551)
+ var lastDrop = 0
+
+ function onDrop(e) {
+ var cm = this
+ clearDragCursor(cm)
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
+ { return }
+ e_preventDefault(e)
+ if (ie) { lastDrop = +new Date }
+ var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files
+ if (!pos || cm.isReadOnly()) { return }
+ // Might be a file drop, in which case we simply extract the text
+ // and insert it.
+ if (files && files.length && window.FileReader && window.File) {
+ var n = files.length, text = Array(n), read = 0
+ var loadFile = function (file, i) {
+ if (cm.options.allowDropFileTypes &&
+ indexOf(cm.options.allowDropFileTypes, file.type) == -1)
+ { return }
+
+ var reader = new FileReader
+ reader.onload = operation(cm, function () {
+ var content = reader.result
+ if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = "" }
+ text[i] = content
+ if (++read == n) {
+ pos = clipPos(cm.doc, pos)
+ var change = {from: pos, to: pos,
+ text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
+ origin: "paste"}
+ makeChange(cm.doc, change)
+ setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)))
+ }
+ })
+ reader.readAsText(file)
+ }
+ for (var i = 0; i < n; ++i) { loadFile(files[i], i) }
+ } else { // Normal drop
+ // Don't do a replace if the drop happened inside of the selected text.
+ if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
+ cm.state.draggingText(e)
+ // Ensure the editor is re-focused
+ setTimeout(function () { return cm.display.input.focus(); }, 20)
+ return
+ }
+ try {
+ var text$1 = e.dataTransfer.getData("Text")
+ if (text$1) {
+ var selected
+ if (cm.state.draggingText && !cm.state.draggingText.copy)
+ { selected = cm.listSelections() }
+ setSelectionNoUndo(cm.doc, simpleSelection(pos, pos))
+ if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)
+ { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag") } }
+ cm.replaceSelection(text$1, "around", "paste")
+ cm.display.input.focus()
+ }
+ }
+ catch(e){}
+ }
+ }
+
+ function onDragStart(cm, e) {
+ if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }
+
+ e.dataTransfer.setData("Text", cm.getSelection())
+ e.dataTransfer.effectAllowed = "copyMove"
+
+ // Use dummy image instead of default browsers image.
+ // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
+ if (e.dataTransfer.setDragImage && !safari) {
+ var img = elt("img", null, null, "position: fixed; left: 0; top: 0;")
+ img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="
+ if (presto) {
+ img.width = img.height = 1
+ cm.display.wrapper.appendChild(img)
+ // Force a relayout, or Opera won't use our image for some obscure reason
+ img._top = img.offsetTop
+ }
+ e.dataTransfer.setDragImage(img, 0, 0)
+ if (presto) { img.parentNode.removeChild(img) }
+ }
+ }
+
+ function onDragOver(cm, e) {
+ var pos = posFromMouse(cm, e)
+ if (!pos) { return }
+ var frag = document.createDocumentFragment()
+ drawSelectionCursor(cm, pos, frag)
+ if (!cm.display.dragCursor) {
+ cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors")
+ cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv)
+ }
+ removeChildrenAndAdd(cm.display.dragCursor, frag)
+ }
+
+ function clearDragCursor(cm) {
+ if (cm.display.dragCursor) {
+ cm.display.lineSpace.removeChild(cm.display.dragCursor)
+ cm.display.dragCursor = null
+ }
+ }
+
+// These must be handled carefully, because naively registering a
+// handler for each editor will cause the editors to never be
+// garbage collected.
+
+ function forEachCodeMirror(f) {
+ if (!document.getElementsByClassName) { return }
+ var byClass = document.getElementsByClassName("CodeMirror")
+ for (var i = 0; i < byClass.length; i++) {
+ var cm = byClass[i].CodeMirror
+ if (cm) { f(cm) }
+ }
+ }
+
+ var globalsRegistered = false
+ function ensureGlobalHandlers() {
+ if (globalsRegistered) { return }
+ registerGlobalHandlers()
+ globalsRegistered = true
+ }
+ function registerGlobalHandlers() {
+ // When the window resizes, we need to refresh active editors.
+ var resizeTimer
+ on(window, "resize", function () {
+ if (resizeTimer == null) { resizeTimer = setTimeout(function () {
+ resizeTimer = null
+ forEachCodeMirror(onResize)
+ }, 100) }
+ })
+ // When the window loses focus, we want to show the editor as blurred
+ on(window, "blur", function () { return forEachCodeMirror(onBlur); })
+ }
+// Called when the window resizes
+ function onResize(cm) {
+ var d = cm.display
+ if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
+ { return }
+ // Might be a text scaling operation, clear size caches.
+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null
+ d.scrollbarsClipped = false
+ cm.setSize()
+ }
+
+ var keyNames = {
+ 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
+ 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
+ 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
+ 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
+ 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",
+ 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
+ 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
+ 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
+ }
+
+// Number keys
+ for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i) }
+// Alphabetic keys
+ for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1) }
+// Function keys
+ for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2 }
+
+ var keyMap = {}
+
+ keyMap.basic = {
+ "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
+ "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
+ "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
+ "Tab": "defaultTab", "Shift-Tab": "indentAuto",
+ "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
+ "Esc": "singleSelection"
+ }
+// Note that the save and find-related commands aren't defined by
+// default. User code or addons can define them. Unknown commands
+// are simply ignored.
+ keyMap.pcDefault = {
+ "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
+ "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
+ "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
+ "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
+ "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
+ "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
+ "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
+ fallthrough: "basic"
+ }
+// Very basic readline/emacs-style bindings, which are standard on Mac.
+ keyMap.emacsy = {
+ "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
+ "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
+ "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
+ "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",
+ "Ctrl-O": "openLine"
+ }
+ keyMap.macDefault = {
+ "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
+ "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
+ "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
+ "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
+ "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
+ "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
+ "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
+ fallthrough: ["basic", "emacsy"]
+ }
+ keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault
+
+// KEYMAP DISPATCH
+
+ function normalizeKeyName(name) {
+ var parts = name.split(/-(?!$)/)
+ name = parts[parts.length - 1]
+ var alt, ctrl, shift, cmd
+ for (var i = 0; i < parts.length - 1; i++) {
+ var mod = parts[i]
+ if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true }
+ else if (/^a(lt)?$/i.test(mod)) { alt = true }
+ else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true }
+ else if (/^s(hift)?$/i.test(mod)) { shift = true }
+ else { throw new Error("Unrecognized modifier name: " + mod) }
+ }
+ if (alt) { name = "Alt-" + name }
+ if (ctrl) { name = "Ctrl-" + name }
+ if (cmd) { name = "Cmd-" + name }
+ if (shift) { name = "Shift-" + name }
+ return name
+ }
+
+// This is a kludge to keep keymaps mostly working as raw objects
+// (backwards compatibility) while at the same time support features
+// like normalization and multi-stroke key bindings. It compiles a
+// new normalized keymap, and then updates the old object to reflect
+// this.
+ function normalizeKeyMap(keymap) {
+ var copy = {}
+ for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {
+ var value = keymap[keyname]
+ if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }
+ if (value == "...") { delete keymap[keyname]; continue }
+
+ var keys = map(keyname.split(" "), normalizeKeyName)
+ for (var i = 0; i < keys.length; i++) {
+ var val = (void 0), name = (void 0)
+ if (i == keys.length - 1) {
+ name = keys.join(" ")
+ val = value
+ } else {
+ name = keys.slice(0, i + 1).join(" ")
+ val = "..."
+ }
+ var prev = copy[name]
+ if (!prev) { copy[name] = val }
+ else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }
+ }
+ delete keymap[keyname]
+ } }
+ for (var prop in copy) { keymap[prop] = copy[prop] }
+ return keymap
+ }
+
+ function lookupKey(key, map, handle, context) {
+ map = getKeyMap(map)
+ var found = map.call ? map.call(key, context) : map[key]
+ if (found === false) { return "nothing" }
+ if (found === "...") { return "multi" }
+ if (found != null && handle(found)) { return "handled" }
+
+ if (map.fallthrough) {
+ if (Object.prototype.toString.call(map.fallthrough) != "[object Array]")
+ { return lookupKey(key, map.fallthrough, handle, context) }
+ for (var i = 0; i < map.fallthrough.length; i++) {
+ var result = lookupKey(key, map.fallthrough[i], handle, context)
+ if (result) { return result }
+ }
+ }
+ }
+
+// Modifier key presses don't count as 'real' key presses for the
+// purpose of keymap fallthrough.
+ function isModifierKey(value) {
+ var name = typeof value == "string" ? value : keyNames[value.keyCode]
+ return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"
+ }
+
+ function addModifierNames(name, event, noShift) {
+ var base = name
+ if (event.altKey && base != "Alt") { name = "Alt-" + name }
+ if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name }
+ if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name }
+ if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name }
+ return name
+ }
+
+// Look up the name of a key as indicated by an event object.
+ function keyName(event, noShift) {
+ if (presto && event.keyCode == 34 && event["char"]) { return false }
+ var name = keyNames[event.keyCode]
+ if (name == null || event.altGraphKey) { return false }
+ return addModifierNames(name, event, noShift)
+ }
+
+ function getKeyMap(val) {
+ return typeof val == "string" ? keyMap[val] : val
+ }
+
+// Helper for deleting text near the selection(s), used to implement
+// backspace, delete, and similar functionality.
+ function deleteNearSelection(cm, compute) {
+ var ranges = cm.doc.sel.ranges, kill = []
+ // Build up a set of ranges to kill first, merging overlapping
+ // ranges.
+ for (var i = 0; i < ranges.length; i++) {
+ var toKill = compute(ranges[i])
+ while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
+ var replaced = kill.pop()
+ if (cmp(replaced.from, toKill.from) < 0) {
+ toKill.from = replaced.from
+ break
+ }
+ }
+ kill.push(toKill)
+ }
+ // Next, remove those actual ranges.
+ runInOp(cm, function () {
+ for (var i = kill.length - 1; i >= 0; i--)
+ { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete") }
+ ensureCursorVisible(cm)
+ })
+ }
+
+ function moveCharLogically(line, ch, dir) {
+ var target = skipExtendingChars(line.text, ch + dir, dir)
+ return target < 0 || target > line.text.length ? null : target
+ }
+
+ function moveLogically(line, start, dir) {
+ var ch = moveCharLogically(line, start.ch, dir)
+ return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
+ }
+
+ function endOfLine(visually, cm, lineObj, lineNo, dir) {
+ if (visually) {
+ var order = getOrder(lineObj, cm.doc.direction)
+ if (order) {
+ var part = dir < 0 ? lst(order) : order[0]
+ var moveInStorageOrder = (dir < 0) == (part.level == 1)
+ var sticky = moveInStorageOrder ? "after" : "before"
+ var ch
+ // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
+ // it could be that the last bidi part is not on the last visual line,
+ // since visual lines contain content order-consecutive chunks.
+ // Thus, in rtl, we are looking for the first (content-order) character
+ // in the rtl chunk that is on the last line (that is, the same line
+ // as the last (content-order) character).
+ if (part.level > 0 || cm.doc.direction == "rtl") {
+ var prep = prepareMeasureForLine(cm, lineObj)
+ ch = dir < 0 ? lineObj.text.length - 1 : 0
+ var targetTop = measureCharPrepared(cm, prep, ch).top
+ ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch)
+ if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1) }
+ } else { ch = dir < 0 ? part.to : part.from }
+ return new Pos(lineNo, ch, sticky)
+ }
+ }
+ return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
+ }
+
+ function moveVisually(cm, line, start, dir) {
+ var bidi = getOrder(line, cm.doc.direction)
+ if (!bidi) { return moveLogically(line, start, dir) }
+ if (start.ch >= line.text.length) {
+ start.ch = line.text.length
+ start.sticky = "before"
+ } else if (start.ch <= 0) {
+ start.ch = 0
+ start.sticky = "after"
+ }
+ var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos]
+ if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
+ // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
+ // nothing interesting happens.
+
