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/** |
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* A markdown output plugin for CKEDITOR. |
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* Uses showdown.js for conversion and DOMPurifier for HTML filtering. |
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* |
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* This software is licensed under MIT License. |
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* |
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* Copyright (c) 2019 Jan Böhmer |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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(function() { |
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function overrideDataProcessor(editor) |
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{ |
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//Both showdown and DOMPurify must be loaded |
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if(typeof(showdown) == 'undefined') return; |
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if (typeof(DOMPurify) == 'undefined') return; |
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//If the dataprocessor were already be overriden do nothing |
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if(editor.dataProcessor.markdown) return; |
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var converter = new showdown.Converter(); |
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//Set some useful options on Showdown |
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converter.setFlavor('github'); |
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converter.setOption('tables', true); |
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converter.setOption('strikethrough', true); |
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converter.setOption('parseImgDimensions', true); |
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converter.setOption('smartIndentationFix', true); |
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editor.dataProcessor = { |
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toDataFormat: function(html, fixForBody) { |
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//html = html.replace(/(\r\n|\n|\r)/gm,""); |
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html = html.replace('<br>', '\n'); |
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//Support for strikethrough in markdown |
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html = html.replace('<s>', '<del>').replace('</s>', '</del>'); |
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return converter.makeMarkdown(html); |
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}, |
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toHtml: function(data){ |
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//Convert markdown to HTML and remove unsafe things from it. |
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var unsafe = converter.makeHtml(data); |
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return DOMPurify.sanitize(unsafe); |
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}, |
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//Mark this dataprocessor |
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markdown: true |
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}; |
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//Set the original data |
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if(editor.markdown_unchangedData) { |
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editor.setData(editor.markdown_unchangedData); |
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editor.markdown_unchangedData = null; |
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} |
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} |
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CKEDITOR.plugins.add( 'markdown', { |
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//requires: 'entities', |
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onLoad: function() { |
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CKEDITOR.addCss( |
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//Show borders on tables generated by Showdown |
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'table {\n' + |
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' border-width: 1px 0 0 1px;\n' + |
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' border-color: #bbb;\n' + |
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' border-style: solid;\n' + |
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' }\n' + |
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'\n' + |
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'table td, table th {\n' + |
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' border-width: 0 1px 1px 0;\n' + |
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' border-color: #bbb;\n' + |
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' border-style: solid;\n' + |
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' padding: 10px;\n' + |
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'}' + |
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//Show code blocks |
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'pre {\n' + |
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' display: block;\n' + |
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' padding: 9.5px;\n' + |
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' margin: 0 0 10px;\n' + |
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' font-size: 13px;\n' + |
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' line-height: 1.42857143;\n' + |
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' color: #333;\n' + |
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' word-break: break-all;\n' + |
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' word-wrap: break-word;\n' + |
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' background-color: #f5f5f5;\n' + |
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' border: 1px solid #ccc;\n' + |
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' border-radius: 4px;\n' + |
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'}' + |
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'padding: 0;\n' + |
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' font-size: inherit;\n' + |
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' color: inherit;\n' + |
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' white-space: pre-wrap;\n' + |
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' background-color: transparent;\n' + |
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' border-radius: 0;' + |
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'code, kbd, pre, samp {\n' + |
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' font-family: Menlo, Monaco, Consolas, "Courier New", monospace;\n' + |
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'}' + |
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//Show images small |
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'img {\n' + |
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' max-width: 35%;\n' + |
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' vertical-align: middle;' + |
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'}' |
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); |
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}, |
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beforeInit: function( editor ) { |
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var config = editor.config; |
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CKEDITOR.tools.extend( config, { |
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basicEntities: false, |
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entities: false, |
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fillEmptyBlocks: false |
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}, true ); |
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editor.filter.disable(); |
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}, |
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init: function( editor ) { |
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var config = editor.config; |
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var rootPath = this.path; |
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//We override the dataprocessor later (after we loaded the needes scripts), sow we need the save untouched data now. |
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editor.markdown_unchangedData = editor.getData(); |
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if (typeof(showdown) == 'undefined') { |
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CKEDITOR.scriptLoader.load(rootPath + 'js/showdown.min.js', function() { |
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overrideDataProcessor(editor); |
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}, CKEDITOR, true); |
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} |
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if (typeof(DOMPurify) == 'undefined') { |
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CKEDITOR.scriptLoader.load(rootPath + 'js/purify.min.js', function() { |
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overrideDataProcessor() |
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}, CKEDITOR, true); |
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} |
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}, |
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afterInit: function( editor ) { |
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//Override the data processor with our for Markdown. |
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overrideDataProcessor(editor); |
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} |
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} ); |
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} )(); |
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Part-DB /
Part-DB-symfony
