File modules/editor/trumbowyg/plugins/cleanpaste/trumbowyg.cleanpaste.js

Last commit: Tue Aug 28 00:33:27 2018 +0200	Jan Dankert	Editoren für Markdown (SimpleMDE) und HTML (Trumbowyg) installiert.


     1 /* ===========================================================
     2  * trumbowyg.cleanpaste.js v1.0
     3  * Font Clean paste plugin for Trumbowyg
     4  * http://alex-d.github.com/Trumbowyg
     5  * ===========================================================
     6  * Authors : Eric Radin
     7  *           Todd Graham (slackwalker)
     8  *
     9  * This plugin will perform a "cleaning" on any paste, in particular
    10  * it will clean pasted content of microsoft word document tags and classes.
    11  */
    12 
    13 (function ($) {
    14     'use strict';
    15 
    16     function checkValidTags(snippet) {
    17         var theString = snippet;
    18 
    19         // Replace uppercase element names with lowercase
    20         theString = theString.replace(/<[^> ]*/g, function (match) {
    21             return match.toLowerCase();
    22         });
    23 
    24         // Replace uppercase attribute names with lowercase
    25         theString = theString.replace(/<[^>]*>/g, function (match) {
    26             match = match.replace(/ [^=]+=/g, function (match2) {
    27                 return match2.toLowerCase();
    28             });
    29             return match;
    30         });
    31 
    32         // Put quotes around unquoted attributes
    33         theString = theString.replace(/<[^>]*>/g, function (match) {
    34             match = match.replace(/( [^=]+=)([^"][^ >]*)/g, '$1\"$2\"');
    35             return match;
    36         });
    37 
    38         return theString;
    39     }
    40 
    41     function cleanIt(html) {
    42         // first make sure all tags and attributes are made valid
    43         html = checkValidTags(html);
    44 
    45         // Replace opening bold tags with strong
    46         html = html.replace(/<b(\s+|>)/g, '<strong$1');
    47         // Replace closing bold tags with closing strong
    48         html = html.replace(/<\/b(\s+|>)/g, '</strong$1');
    49 
    50         // Replace italic tags with em
    51         html = html.replace(/<i(\s+|>)/g, '<em$1');
    52         // Replace closing italic tags with closing em
    53         html = html.replace(/<\/i(\s+|>)/g, '</em$1');
    54 
    55         // strip out comments -cgCraft
    56         html = html.replace(/<!(?:--[\s\S]*?--\s*)?>\s*/g, '');
    57 
    58         // strip out &nbsp; -cgCraft
    59         html = html.replace(/&nbsp;/gi, ' ');
    60         // strip out extra spaces -cgCraft
    61         html = html.replace(/ <\//gi, '</');
    62 
    63         while (html.indexOf('  ') !== -1) {
    64             html = html.split('  ').join(' ');
    65         }
    66 
    67         // strip &nbsp; -cgCraft
    68         html = html.replace(/^\s*|\s*$/g, '');
    69 
    70         // Strip out unaccepted attributes
    71         html = html.replace(/<[^>]*>/g, function (match) {
    72             match = match.replace(/ ([^=]+)="[^"]*"/g, function (match2, attributeName) {
    73                 if (['alt', 'href', 'src', 'title'].indexOf(attributeName) !== -1) {
    74                     return match2;
    75                 }
    76                 return '';
    77             });
    78             return match;
    79         });
    80 
    81         // Final cleanout for MS Word crud
    82         html = html.replace(/<\?xml[^>]*>/g, '');
    83         html = html.replace(/<[^ >]+:[^>]*>/g, '');
    84         html = html.replace(/<\/[^ >]+:[^>]*>/g, '');
    85 
    86         // remove unwanted tags
    87         html = html.replace(/<(div|span|style|meta|link).*?>/gi, '');
    88 
    89         return html;
    90     }
    91 
    92     // clean editor
    93     // this will clean the inserted contents
    94     // it does a compare, before and after paste to determine the
    95     // pasted contents
    96     $.extend(true, $.trumbowyg, {
    97         plugins: {
    98             cleanPaste: {
    99                 init: function (trumbowyg) {
   100                     trumbowyg.pasteHandlers.push(function () {
   101                         try {
   102                             trumbowyg.$ed.html(cleanIt(trumbowyg.$ed.html()));
   103                         } catch (c) {
   104                         }
   105                     });
   106                 }
   107             }
   108         }
   109     });
   110 })(jQuery);
   111 
   112 



Download modules/editor/trumbowyg/plugins/cleanpaste/trumbowyg.cleanpaste.js


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Tue, 28 Aug 2018 00:33:27 +0200	Jan Dankert	Editoren für Markdown (SimpleMDE) und HTML (Trumbowyg) installiert.