Mercurial Hosting > sceditor
diff src/development/plugins/autoyoutube.js @ 0:4c4fc447baea
start with sceditor-3.1.1
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Thu, 04 Aug 2022 15:21:29 -0600 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/development/plugins/autoyoutube.js Thu Aug 04 15:21:29 2022 -0600 @@ -0,0 +1,106 @@ +/** + * SCEditor Auto Youtube Plugin + * http://www.sceditor.com/ + * + * Copyright (C) 2016, Sam Clarke (samclarke.com) + * + * SCEditor is licensed under the MIT license: + * http://www.opensource.org/licenses/mit-license.php + * + * @author Sam Clarke + */ +(function (document, sceditor) { + 'use strict'; + + var dom = sceditor.dom; + + /* + (^|\s) Start of line or space + (?:https?:\/\/)? Optional scheme like http:// + (?:www\.)? Optional www. prefix + (?: + youtu\.be\/ Ends with .be/ so whatever comes next is the ID + | + youtube\.com\/watch\?v= Matches the .com version + ) + ([^"&?\/ ]{11}) The actual YT ID + (?:\&[\&_\?0-9a-z\#]+)? Any extra URL params + (\s|$) End of line or space + */ + var ytUrlRegex = /(^|\s)(?:https?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/watch\?v=)([^"&?\/ ]{11})(?:\&[\&_\?0-9a-z\#]+)?(\s|$)/i; + + function youtubeEmbedCode(id) { + return '<iframe width="560" height="315" frameborder="0" ' + + 'src="https://www.youtube-nocookie.com/embed/' + id + '" ' + + 'data-youtube-id="' + id + '" allowfullscreen></iframe>'; + } + + function convertYoutubeLinks(parent, isRoot) { + var node = parent.firstChild; + var wholeContent = (parent.textContent || ''); + + // Don't care about whitespace if is the root node + if (isRoot) { + wholeContent = wholeContent.trim(); + } + + var match = wholeContent.match(ytUrlRegex); + // Whole content match so only return URL embed + if (wholeContent === wholeContent.trim() && match && + match[0].length === wholeContent.length) { + dom.removeAttr(parent, 'style'); + dom.removeAttr(parent, 'class'); + parent.innerHTML = youtubeEmbedCode(match[2]); + return; + } + + while (node) { + // 3 is TextNodes + if (node.nodeType === 3) { + var text = node.nodeValue; + var nodeParent = node.parentNode; + + if ((match = text.match(ytUrlRegex))) { + nodeParent.insertBefore(document.createTextNode( + text.substr(0, match.index) + match[1] + ), node); + + nodeParent.insertBefore( + dom.parseHTML(youtubeEmbedCode(match[2])), node + ); + + node.nodeValue = match[3] + + text.substr(match.index + match[0].length); + } + } else { + // TODO: Make this tag configurable. + if (!dom.is(node, 'code')) { + convertYoutubeLinks(node); + } + } + + node = node.nextSibling; + } + }; + + sceditor.plugins.autoyoutube = function () { + this.signalPasteRaw = function (data) { + // TODO: Make this tag configurable. + // Skip code tags + if (dom.closest(this.currentNode(), 'code')) { + return; + } + + if (data.html || data.text) { + var node = document.createElement('div'); + + node.innerHTML = data.html || + sceditor.escapeEntities(data.text); + + convertYoutubeLinks(node, true); + + data.html = node.innerHTML; + } + }; + }; +})(document, sceditor);