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/** |
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* SCEditor Auto Youtube Plugin |
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* http://www.sceditor.com/ |
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* |
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* Copyright (C) 2016, Sam Clarke (samclarke.com) |
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* |
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* SCEditor is licensed under the MIT license: |
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* http://www.opensource.org/licenses/mit-license.php |
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* |
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* @author Sam Clarke |
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*/ |
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(function (document, sceditor) { |
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'use strict'; |
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var dom = sceditor.dom; |
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/* |
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(^|\s) Start of line or space |
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(?:https?:\/\/)? Optional scheme like http:// |
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(?:www\.)? Optional www. prefix |
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(?: |
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youtu\.be\/ Ends with .be/ so whatever comes next is the ID |
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youtube\.com\/watch\?v= Matches the .com version |
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) |
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([^"&?\/ ]{11}) The actual YT ID |
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(?:\&[\&_\?0-9a-z\#]+)? Any extra URL params |
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(\s|$) End of line or space |
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*/ |
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var ytUrlRegex = /(^|\s)(?:https?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/watch\?v=)([^"&?\/ ]{11})(?:\&[\&_\?0-9a-z\#]+)?(\s|$)/i; |
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function youtubeEmbedCode(id) { |
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return '<div class="videocontainer"><div><iframe frameborder="0" ' + |
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'src="https://www.youtube-nocookie.com/embed/' + id + '" ' + |
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'data-youtube-id="' + id + '" allowfullscreen></iframe></div></div>'; |
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} |
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function convertYoutubeLinks(root) { |
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var node = root.firstChild; |
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while (node) { |
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// 3 is TextNodes |
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if (node.nodeType === 3) { |
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var text = node.nodeValue; |
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var parent = node.parentNode; |
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var match = text.match(ytUrlRegex); |
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if (match) { |
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parent.insertBefore(document.createTextNode( |
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text.substr(0, match.index) + match[1] |
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), node); |
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parent.insertBefore( |
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dom.parseHTML(youtubeEmbedCode(match[2])), node |
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); |
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node.nodeValue = match[3] + |
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text.substr(match.index + match[0].length); |
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} |
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} else { |
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// TODO: Make this tag configurable. |
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if (!dom.is(node, 'code')) { |
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convertYoutubeLinks(node); |
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} |
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} |
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node = node.nextSibling; |
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} |
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}; |
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sceditor.plugins.autoyoutube = function () { |
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this.signalPasteRaw = function (data) { |
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// TODO: Make this tag configurable. |
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// Skip code tags |
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if (dom.closest(this.currentNode(), 'code')) { |
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return; |
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} |
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if (data.text) { |
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var html = document.createElement('div'); |
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html.textContent = data.text; |
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convertYoutubeLinks(html); |
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data.html = html.innerHTML; |
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} |
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}; |
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}; |
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})(document, sceditor); |
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SimpleMachines /
SMF2.1
