alpaca/dist/lib/tinymce/plugins/paste/plugin.js

Alpaca provides the easiest and fastest way to generate interactive forms for the web and mobile devices. It runs simply as HTML5 or more elaborately using Bootstrap, jQuery Mobile or jQuery UI. Alpaca uses Handlebars to process JSON schema and provide

/**
 * Compiled inline version. (Library mode)
 */

/*jshint smarttabs:true, undef:true, latedef:true, curly:true, bitwise:true, camelcase:true */
/*globals $code */

(function(exports, undefined) {
	"use strict";

	var modules = {};

	function require(ids, callback) {
		var module, defs = [];

		for (var i = 0; i < ids.length; ++i) {
			module = modules[ids[i]] || resolve(ids[i]);
			if (!module) {
				throw 'module definition dependecy not found: ' + ids[i];
			}

			defs.push(module);
		}

		callback.apply(null, defs);
	}

	function define(id, dependencies, definition) {
		if (typeof id !== 'string') {
			throw 'invalid module definition, module id must be defined and be a string';
		}

		if (dependencies === undefined) {
			throw 'invalid module definition, dependencies must be specified';
		}

		if (definition === undefined) {
			throw 'invalid module definition, definition function must be specified';
		}

		require(dependencies, function() {
			modules[id] = definition.apply(null, arguments);
		});
	}

	function defined(id) {
		return !!modules[id];
	}

	function resolve(id) {
		var target = exports;
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		return target;
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	function expose(ids) {
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				target = target[fragments[fi]];
			}

			target[fragments[fragments.length - 1]] = modules[id];
		}
	}

// Included from: js/tinymce/plugins/paste/classes/Utils.js

/**
 * Utils.js
 *
 * Copyright, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/**
 * This class contails various utility functions for the paste plugin.
 *
 * @class tinymce.pasteplugin.Clipboard
 * @private
 */
define("tinymce/pasteplugin/Utils", [
	"tinymce/util/Tools",
	"tinymce/html/DomParser",
	"tinymce/html/Schema"
], function(Tools, DomParser, Schema) {
	function filter(content, items) {
		Tools.each(items, function(v) {
			if (v.constructor == RegExp) {
				content = content.replace(v, '');
			} else {
				content = content.replace(v[0], v[1]);
			}
		});

		return content;
	}

	/**
	 * Gets the innerText of the specified element. It will handle edge cases
	 * and works better than textContent on Gecko.
	 *
	 * @param {String} html HTML string to get text from.
	 * @return {String} String of text with line feeds.
	 */
	function innerText(html) {
		var schema = new Schema(), domParser = new DomParser({}, schema), text = '';
		var shortEndedElements = schema.getShortEndedElements();
		var ignoreElements = Tools.makeMap('script noscript style textarea video audio iframe object', ' ');
		var blockElements = schema.getBlockElements();

		function walk(node) {
			var name = node.name, currentNode = node;

			if (name === 'br') {
				text += '\n';
				return;
			}

			// img/input/hr
			if (shortEndedElements[name]) {
				text += ' ';
			}

			// Ingore script, video contents
			if (ignoreElements[name]) {
				text += ' ';
				return;
			}

			if (node.type == 3) {
				text += node.value;
			}

			// Walk all children
			if (!node.shortEnded) {
				if ((node = node.firstChild)) {
					do {
						walk(node);
					} while ((node = node.next));
				}
			}

			// Add \n or \n\n for blocks or P
			if (blockElements[name] && currentNode.next) {
				text += '\n';

				if (name == 'p') {
					text += '\n';
				}
			}
		}

		html = filter(html, [
			/<!\[[^\]]+\]>/g // Conditional comments
		]);

		walk(domParser.parse(html));

		return text;
	}

	/**
	 * Trims the specified HTML by removing all WebKit fragments, all elements wrapping the body trailing BR elements etc.
	 *
	 * @param {String} html Html string to trim contents on.
	 * @return {String} Html contents that got trimmed.
	 */
	function trimHtml(html) {
		function trimSpaces(all, s1, s2) {
			// WebKit &nbsp; meant to preserve multiple spaces but instead inserted around all inline tags,
			// including the spans with inline styles created on paste
			if (!s1 && !s2) {
				return ' ';
			}

			return '\u00a0';
		}

		html = filter(html, [
			/^[\s\S]*<body[^>]*>\s*|\s*<\/body[^>]*>[\s\S]*$/g, // Remove anything but the contents within the BODY element
			/<!--StartFragment-->|<!--EndFragment-->/g, // Inner fragments (tables from excel on mac)
			[/( ?)<span class="Apple-converted-space">\u00a0<\/span>( ?)/g, trimSpaces],
			/<br>$/i // Trailing BR elements
		]);

		return html;
	}

	return {
		filter: filter,
		innerText: innerText,
		trimHtml: trimHtml
	};
});

// Included from: js/tinymce/plugins/paste/classes/Clipboard.js

/**
 * Clipboard.js
 *
 * Copyright, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/**
 * This class contains logic for getting HTML contents out of the clipboard.
 *
 * We need to make a lot of ugly hacks to get the contents out of the clipboard since
 * the W3C Clipboard API is broken in all browsers that have it: Gecko/WebKit/Blink.
 * We might rewrite this the way those API:s stabilize. Browsers doesn't handle pasting
 * from applications like Word the same way as it does when pasting into a contentEditable area
 * so we need to do lots of extra work to try to get to this clipboard data.
 *
 * Current implementation steps:
 *  1. On keydown with paste keys Ctrl+V or Shift+Insert create
 *     a paste bin element and move focus to that element.
 *  2. Wait for the browser to fire a "paste" event and get the contents out of the paste bin.
 *  3. Check if the paste was successful if true, process the HTML.
 *  (4). If the paste was unsuccessful use IE execCommand, Clipboard API, document.dataTransfer old WebKit API etc.
 *
 * @class tinymce.pasteplugin.Clipboard
 * @private
 */
define("tinymce/pasteplugin/Clipboard", [
	"tinymce/Env",
	"tinymce/util/VK",
	"tinymce/pasteplugin/Utils"
], function(Env, VK, Utils) {
	return function(editor) {
		var self = this, pasteBinElm, lastRng, keyboardPasteTimeStamp = 0, draggingInternally = false;
		var pasteBinDefaultContent = '%MCEPASTEBIN%', keyboardPastePlainTextState;

		/**
		 * Pastes the specified HTML. This means that the HTML is filtered and then
		 * inserted at the current selection in the editor. It will also fire paste events
		 * for custom user filtering.
		 *
		 * @param {String} html HTML code to paste into the current selection.
		 */
		function pasteHtml(html) {
			var args, dom = editor.dom;

			args = editor.fire('BeforePastePreProcess', {content: html}); // Internal event used by Quirks
			args = editor.fire('PastePreProcess', args);
			html = args.content;

			if (!args.isDefaultPrevented()) {
				// User has bound PastePostProcess events then we need to pass it through a DOM node
				// This is not ideal but we don't want to let the browser mess up the HTML for example
				// some browsers add &nbsp; to P tags etc
				if (editor.hasEventListeners('PastePostProcess') && !args.isDefaultPrevented()) {
					// We need to attach the element to the DOM so Sizzle selectors work on the contents
					var tempBody = dom.add(editor.getBody(), 'div', {style: 'display:none'}, html);
					args = editor.fire('PastePostProcess', {node: tempBody});
					dom.remove(tempBody);
					html = args.node.innerHTML;
				}

				if (!args.isDefaultPrevented()) {
					editor.insertContent(html, {merge: editor.settings.paste_merge_formats !== false});
				}
			}
		}

		/**
		 * Pastes the specified text. This means that the plain text is processed
		 * and converted into BR and P elements. It will fire paste events for custom filtering.
		 *
		 * @param {String} text Text to paste as the current selection location.
		 */
		function pasteText(text) {
			text = editor.dom.encode(text).replace(/\r\n/g, '\n');

			var startBlock = editor.dom.getParent(editor.selection.getStart(), editor.dom.isBlock);

			// Create start block html for example <p attr="value">
			var forcedRootBlockName = editor.settings.forced_root_block;
			var forcedRootBlockStartHtml;
			if (forcedRootBlockName) {
				forcedRootBlockStartHtml = editor.dom.createHTML(forcedRootBlockName, editor.settings.forced_root_block_attrs);
				forcedRootBlockStartHtml = forcedRootBlockStartHtml.substr(0, forcedRootBlockStartHtml.length - 3) + '>';
			}

			if ((startBlock && /^(PRE|DIV)$/.test(startBlock.nodeName)) || !forcedRootBlockName) {
				text = Utils.filter(text, [
					[/\n/g, "<br>"]
				]);
			} else {
				text = Utils.filter(text, [
					[/\n\n/g, "</p>" + forcedRootBlockStartHtml],
					[/^(.*<\/p>)(<p>)$/, forcedRootBlockStartHtml + '$1'],
					[/\n/g, "<br />"]
				]);

				if (text.indexOf('<p>') != -1) {
					text = forcedRootBlockStartHtml + text;
				}
			}

			pasteHtml(text);
		}

		/**
		 * Creates a paste bin element as close as possible to the current caret location and places the focus inside that element
		 * so that when the real paste event occurs the contents gets inserted into this element
		 * instead of the current editor selection element.
		 */
		function createPasteBin() {
			var dom = editor.dom, body = editor.getBody();
			var viewport = editor.dom.getViewPort(editor.getWin()), scrollTop = viewport.y, top = 20;
			var scrollContainer;

			lastRng = editor.selection.getRng();

			if (editor.inline) {
				scrollContainer = editor.selection.getScrollContainer();

				// Can't always rely on scrollTop returning a useful value.
				// It returns 0 if the browser doesn't support scrollTop for the element or is non-scrollable
				if (scrollContainer && scrollContainer.scrollTop > 0) {
					scrollTop = scrollContainer.scrollTop;
				}
			}

			/**
			 * Returns the rect of the current caret if the caret is in an empty block before a
			 * BR we insert a temporary invisible character that we get the rect this way we always get a proper rect.
			 *
			 * TODO: This might be useful in core.
			 */
			function getCaretRect(rng) {
				var rects, textNode, node, container = rng.startContainer;

				rects = rng.getClientRects();
				if (rects.length) {
					return rects[0];
				}

				if (!rng.collapsed || container.nodeType != 1) {
					return;
				}

				node = container.childNodes[lastRng.startOffset];

				// Skip empty whitespace nodes
				while (node && node.nodeType == 3 && !node.data.length) {
					node = node.nextSibling;
				}

				if (!node) {
					return;
				}

				// Check if the location is |<br>
				// TODO: Might need to expand this to say |<table>
				if (node.tagName == 'BR') {
					textNode = dom.doc.createTextNode('\uFEFF');
					node.parentNode.insertBefore(textNode, node);

					rng = dom.createRng();
					rng.setStartBefore(textNode);
					rng.setEndAfter(textNode);

					rects = rng.getClientRects();
					dom.remove(textNode);
				}

				if (rects.length) {
					return rects[0];
				}
			}

			// Calculate top cordinate this is needed to avoid scrolling to top of document
			// We want the paste bin to be as close to the caret as possible to avoid scrolling
			if (lastRng.getClientRects) {
				var rect = getCaretRect(lastRng);

				if (rect) {
					// Client rects gets us closes to the actual
					// caret location in for example a wrapped paragraph block
					top = scrollTop + (rect.top - dom.getPos(body).y);
				} else {
					top = scrollTop;

					// Check if we can find a closer location by checking the range element
					var container = lastRng.startContainer;
					if (container) {
						if (container.nodeType == 3 && container.parentNode != body) {
							container = container.parentNode;
						}

						if (container.nodeType == 1) {
							top = dom.getPos(container, scrollContainer || body).y;
						}
					}
				}
			}

			// Create a pastebin
			pasteBinElm = dom.add(editor.getBody(), 'div', {
				id: "mcepastebin",
				contentEditable: true,
				"data-mce-bogus": "all",
				style: 'position: absolute; top: ' + top + 'px;' +
					'width: 10px; height: 10px; overflow: hidden; opacity: 0'
			}, pasteBinDefaultContent);

			// Move paste bin out of sight since the controlSelection rect gets displayed otherwise on IE and Gecko
			if (Env.ie || Env.gecko) {
				dom.setStyle(pasteBinElm, 'left', dom.getStyle(body, 'direction', true) == 'rtl' ? 0xFFFF : -0xFFFF);
			}

			// Prevent focus events from bubbeling fixed FocusManager issues
			dom.bind(pasteBinElm, 'beforedeactivate focusin focusout', function(e) {
				e.stopPropagation();
			});

			pasteBinElm.focus();
			editor.selection.select(pasteBinElm, true);
		}

		/**
		 * Removes the paste bin if it exists.
		 */
		function removePasteBin() {
			if (pasteBinElm) {
				var pasteBinClone;

				// WebKit/Blink might clone the div so
				// lets make sure we remove all clones
				// TODO: Man o man is this ugly. WebKit is the new IE! Remove this if they ever fix it!
				while ((pasteBinClone = editor.dom.get('mcepastebin'))) {
					editor.dom.remove(pasteBinClone);
					editor.dom.unbind(pasteBinClone);
				}

				if (lastRng) {
					editor.selection.setRng(lastRng);
				}
			}

			pasteBinElm = lastRng = null;
		}

		/**
		 * Returns the contents of the paste bin as a HTML string.
		 *
		 * @return {String} Get the contents of the paste bin.
		 */
		function getPasteBinHtml() {
			var html = '', pasteBinClones, i, clone, cloneHtml;

			// Since WebKit/Chrome might clone the paste bin when pasting
			// for example: <img style="float: right"> we need to check if any of them contains some useful html.
			// TODO: Man o man is this ugly. WebKit is the new IE! Remove this if they ever fix it!
			pasteBinClones = editor.dom.select('div[id=mcepastebin]');
			for (i = 0; i < pasteBinClones.length; i++) {
				clone = pasteBinClones[i];

				// Pasting plain text produces pastebins in pastebinds makes sence right!?
				if (clone.firstChild && clone.firstChild.id == 'mcepastebin') {
					clone = clone.firstChild;
				}

				cloneHtml = clone.innerHTML;
				if (html != pasteBinDefaultContent) {
					html += cloneHtml;
				}
			}

			return html;
		}

		/**
		 * Gets various content types out of a datatransfer object.
		 *
		 * @param {DataTransfer} dataTransfer Event fired on paste.
		 * @return {Object} Object with mime types and data for those mime types.
		 */
		function getDataTransferItems(dataTransfer) {
			var data = {};

			if (dataTransfer) {
				// Use old WebKit/IE API
				if (dataTransfer.getData) {
					var legacyText = dataTransfer.getData('Text');
					if (legacyText && legacyText.length > 0) {
						data['text/plain'] = legacyText;
					}
				}

				if (dataTransfer.types) {
					for (var i = 0; i < dataTransfer.types.length; i++) {
						var contentType = dataTransfer.types[i];
						data[contentType] = dataTransfer.getData(contentType);
					}
				}
			}

			return data;
		}

		/**
		 * Gets various content types out of the Clipboard API. It will also get the
		 * plain text using older IE and WebKit API:s.
		 *
		 * @param {ClipboardEvent} clipboardEvent Event fired on paste.
		 * @return {Object} Object with mime types and data for those mime types.
		 */
		function getClipboardContent(clipboardEvent) {
			return getDataTransferItems(clipboardEvent.clipboardData || editor.getDoc().dataTransfer);
		}

		/**
		 * Checks if the clipboard contains image data if it does it will take that data
		 * and convert it into a data url image and paste that image at the caret location.
		 *
		 * @param  {ClipboardEvent} e Paste/drop event object.
		 * @param  {DOMRange} rng Optional rng object to move selection to.
		 * @return {Boolean} true/false if the image data was found or not.
		 */
		function pasteImageData(e, rng) {
			var dataTransfer = e.clipboardData || e.dataTransfer;

			function processItems(items) {
				var i, item, reader;

				function pasteImage() {
					if (rng) {
						editor.selection.setRng(rng);
						rng = null;
					}

					pasteHtml('<img src="' + reader.result + '">');
				}

				if (items) {
					for (i = 0; i < items.length; i++) {
						item = items[i];

						if (/^image\/(jpeg|png|gif)$/.test(item.type)) {
							reader = new FileReader();
							reader.onload = pasteImage;
							reader.readAsDataURL(item.getAsFile ? item.getAsFile() : item);

							e.preventDefault();
							return true;
						}
					}
				}
			}

			if (editor.settings.paste_data_images && dataTransfer) {
				return processItems(dataTransfer.items) || processItems(dataTransfer.files);
			}
		}

		/**
		 * Chrome on Android doesn't support proper clipboard access so we have no choice but to allow the browser default behavior.
		 *
		 * @param {Event} e Paste event object to check if it contains any data.
		 * @return {Boolean} true/false if the clipboard is empty or not.
		 */
		function isBrokenAndroidClipboardEvent(e) {
			var clipboardData = e.clipboardData;

			return navigator.userAgent.indexOf('Android') != -1 && clipboardData && clipboardData.items && clipboardData.items.length === 0;
		}

		function getCaretRangeFromEvent(e) {
			var doc = editor.getDoc(), rng, point;

			if (doc.caretPositionFromPoint) {
				point = doc.caretPositionFromPoint(e.clientX, e.clientY);
				rng = doc.createRange();
				rng.setStart(point.offsetNode, point.offset);
				rng.collapse(true);
			} else if (doc.caretRangeFromPoint) {
				rng = doc.caretRangeFromPoint(e.clientX, e.clientY);
			} else if (doc.body.createTextRange) {
				rng = doc.body.createTextRange();

				try {
					rng.moveToPoint(e.clientX, e.clientY);
					rng.collapse(true);
				} catch (ex) {
					// Append to top or bottom depending on drop location
					rng.collapse(e.clientY < doc.body.clientHeight);
				}
			}

			return rng;
		}

		function hasContentType(clipboardContent, mimeType) {
			return mimeType in clipboardContent && clipboardContent[mimeType].length > 0;
		}

		function isKeyboardPasteEvent(e) {
			return (VK.metaKeyPressed(e) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45);
		}

		function registerEventHandlers() {
			editor.on('keydown', function(e) {
				function removePasteBinOnKeyUp(e) {
					// Ctrl+V or Shift+Insert
					if (isKeyboardPasteEvent(e) && !e.isDefaultPrevented()) {
						removePasteBin();
					}
				}

				// Ctrl+V or Shift+Insert
				if (isKeyboardPasteEvent(e) && !e.isDefaultPrevented()) {
					keyboardPastePlainTextState = e.shiftKey && e.keyCode == 86;

					// Edge case on Safari on Mac where it doesn't handle Cmd+Shift+V correctly
					// it fires the keydown but no paste or keyup so we are left with a paste bin
					if (keyboardPastePlainTextState && Env.webkit && navigator.userAgent.indexOf('Version/') != -1) {
						return;
					}

					// Prevent undoManager keydown handler from making an undo level with the pastebin in it
					e.stopImmediatePropagation();

					keyboardPasteTimeStamp = new Date().getTime();

					// IE doesn't support Ctrl+Shift+V and it doesn't even produce a paste event
					// so lets fake a paste event and let IE use the execCommand/dataTransfer methods
					if (Env.ie && keyboardPastePlainTextState) {
						e.preventDefault();
						editor.fire('paste', {ieFake: true});
						return;
					}

					removePasteBin();
					createPasteBin();

					// Remove pastebin if we get a keyup and no paste event
					// For example pasting a file in IE 11 will not produce a paste event
					editor.once('keyup', removePasteBinOnKeyUp);
					editor.once('paste', function() {
						editor.off('keyup', removePasteBinOnKeyUp);
					});
				}
			});

			editor.on('paste', function(e) {
				// Getting content from the Clipboard can take some time
				var clipboardTimer = new Date().getTime();
				var clipboardContent = getClipboardContent(e);
				var clipboardDelay = new Date().getTime() - clipboardTimer;

				var isKeyBoardPaste = (new Date().getTime() - keyboardPasteTimeStamp - clipboardDelay) < 1000;
				var plainTextMode = self.pasteFormat == "text" || keyboardPastePlainTextState;

				keyboardPastePlainTextState = false;

				if (e.isDefaultPrevented() || isBrokenAndroidClipboardEvent(e)) {
					removePasteBin();
					return;
				}

				if (pasteImageData(e)) {
					removePasteBin();
					return;
				}

				// Not a keyboard paste prevent default paste and try to grab the clipboard contents using different APIs
				if (!isKeyBoardPaste) {
					e.preventDefault();
				}

				// Try IE only method if paste isn't a keyboard paste
				if (Env.ie && (!isKeyBoardPaste || e.ieFake)) {
					createPasteBin();

					editor.dom.bind(pasteBinElm, 'paste', function(e) {
						e.stopPropagation();
					});

					editor.getDoc().execCommand('Paste', false, null);
					clipboardContent["text/html"] = getPasteBinHtml();
				}

				setTimeout(function() {
					var content;

					// Grab HTML from Clipboard API or paste bin as a fallback
					if (hasContentType(clipboardContent, 'text/html')) {
						content = clipboardContent['text/html'];
					} else {
						content = getPasteBinHtml();

						// If paste bin is empty try using plain text mode
						// since that is better than nothing right
						if (content == pasteBinDefaultContent) {
							plainTextMode = true;
						}
					}

					content = Utils.trimHtml(content);

					// WebKit has a nice bug where it clones the paste bin if you paste from for example notepad
					// so we need to force plain text mode in this case
					if (pasteBinElm && pasteBinElm.firstChild && pasteBinElm.firstChild.id === 'mcepastebin') {
						plainTextMode = true;
					}

					removePasteBin();

					// If we got nothing from clipboard API and pastebin then we could try the last resort: plain/text
					if (!content.length) {
						plainTextMode = true;
					}

					// Grab plain text from Clipboard API or convert existing HTML to plain text
					if (plainTextMode) {
						// Use plain text contents from Clipboard API unless the HTML contains paragraphs then
						// we should convert the HTML to plain text since works better when pasting HTML/Word contents as plain text
						if (hasContentType(clipboardContent, 'text/plain') && content.indexOf('</p>') == -1) {
							content = clipboardContent['text/plain'];
						} else {
							content = Utils.innerText(content);
						}
					}

					// If the content is the paste bin default HTML then it was
					// impossible to get the cliboard data out.
					if (content == pasteBinDefaultContent) {
						if (!isKeyBoardPaste) {
							editor.windowManager.alert('Please use Ctrl+V/Cmd+V keyboard shortcuts to paste contents.');
						}

						return;
					}

					if (plainTextMode) {
						pasteText(content);
					} else {
						pasteHtml(content);
					}
				}, 0);
			});

			editor.on('dragstart dragend', function(e) {
				draggingInternally = e.type == 'dragstart';
			});

			editor.on('drop', function(e) {
				var rng = getCaretRangeFromEvent(e);

				if (e.isDefaultPrevented() || draggingInternally) {
					return;
				}

				if (pasteImageData(e, rng)) {
					return;
				}

				if (rng && editor.settings.paste_filter_drop !== false) {
					var dropContent = getDataTransferItems(e.dataTransfer);
					var content = dropContent['mce-internal'] || dropContent['text/html'] || dropContent['text/plain'];

					if (content) {
						e.preventDefault();

						editor.undoManager.transact(function() {
							if (dropContent['mce-internal']) {
								editor.execCommand('Delete');
							}

							editor.selection.setRng(rng);

							content = Utils.trimHtml(content);

							if (!dropContent['text/html']) {
								pasteText(content);
							} else {
								pasteHtml(content);
							}
						});
					}
				}
			});

			editor.on('dragover dragend', function(e) {
				var i, dataTransfer = e.dataTransfer;

				if (editor.settings.paste_data_images && dataTransfer) {
					for (i = 0; i < dataTransfer.types.length; i++) {
						// Prevent default if we have files dragged into the editor since the pasteImageData handles that
						if (dataTransfer.types[i] == "Files") {
							e.preventDefault();
							return false;
						}
					}
				}
			});
		}

		self.pasteHtml = pasteHtml;
		self.pasteText = pasteText;

		editor.on('preInit', function() {
			registerEventHandlers();

			// Remove all data images from paste for example from Gecko
			// except internal images like video elements
			editor.parser.addNodeFilter('img', function(nodes) {
				if (!editor.settings.paste_data_images) {
					var i = nodes.length;

					while (i--) {
						var src = nodes[i].attributes.map.src;

						// Some browsers automatically produce data uris on paste
						// Safari on Mac produces webkit-fake-url see: https://bugs.webkit.org/show_bug.cgi?id=49141
						if (src && /^(data:image|webkit\-fake\-url)/.test(src)) {
							if (!nodes[i].attr('data-mce-object') && src !== Env.transparentSrc) {
								nodes[i].remove();
							}
						}
					}
				}
			});
		});
	};
});

// Included from: js/tinymce/plugins/paste/classes/WordFilter.js

/**
 * WordFilter.js
 *
 * Copyright, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/**
 * This class parses word HTML into proper TinyMCE markup.
 *
 * @class tinymce.pasteplugin.Quirks
 * @private
 */
define("tinymce/pasteplugin/WordFilter", [
	"tinymce/util/Tools",
	"tinymce/html/DomParser",
	"tinymce/html/Schema",
	"tinymce/html/Serializer",
	"tinymce/html/Node",
	"tinymce/pasteplugin/Utils"
], function(Tools, DomParser, Schema, Serializer, Node, Utils) {
	/**
	 * Checks if the specified content is from any of the following sources: MS Word/Office 365/Google docs.
	 */
	function isWordContent(content) {
		return (
			(/<font face="Times New Roman"|class="?Mso|style="[^"]*\bmso-|style='[^'']*\bmso-|w:WordDocument/i).test(content) ||
			(/class="OutlineElement/).test(content) ||
			(/id="?docs\-internal\-guid\-/.test(content))
		);
	}

	/**
	 * Checks if the specified text starts with "1. " or "a. " etc.
	 */
	function isNumericList(text) {
		var found, patterns;

		patterns = [
			/^[IVXLMCD]{1,2}\.[ \u00a0]/,  // Roman upper case
			/^[ivxlmcd]{1,2}\.[ \u00a0]/,  // Roman lower case
			/^[a-z]{1,2}[\.\)][ \u00a0]/,  // Alphabetical a-z
			/^[A-Z]{1,2}[\.\)][ \u00a0]/,  // Alphabetical A-Z
			/^[0-9]+\.[ \u00a0]/,          // Numeric lists
			/^[\u3007\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d]+\.[ \u00a0]/, // Japanese
			/^[\u58f1\u5f10\u53c2\u56db\u4f0d\u516d\u4e03\u516b\u4e5d\u62fe]+\.[ \u00a0]/  // Chinese
		];

		text = text.replace(/^[\u00a0 ]+/, '');

		Tools.each(patterns, function(pattern) {
			if (pattern.test(text)) {
				found = true;
				return false;
			}
		});

		return found;
	}

	function isBulletList(text) {
		return /^[\s\u00a0]*[\u2022\u00b7\u00a7\u00d8\u25CF]\s*/.test(text);
	}

	function WordFilter(editor) {
		var settings = editor.settings;

		editor.on('BeforePastePreProcess', function(e) {
			var content = e.content, retainStyleProperties, validStyles;

			retainStyleProperties = settings.paste_retain_style_properties;
			if (retainStyleProperties) {
				validStyles = Tools.makeMap(retainStyleProperties.split(/[, ]/));
			}

			/**
			 * Converts fake bullet and numbered lists to real semantic OL/UL.
			 *
			 * @param {tinymce.html.Node} node Root node to convert children of.
			 */
			function convertFakeListsToProperLists(node) {
				var currentListNode, prevListNode, lastLevel = 1;

				function getText(node) {
					var txt = '';

					if (node.type === 3) {
						return node.value;
					}

					if ((node = node.firstChild)) {
						do {
							txt += getText(node);
						} while ((node = node.next));
					}

					return txt;
				}

				function trimListStart(node, regExp) {
					if (node.type === 3) {
						if (regExp.test(node.value)) {
							node.value = node.value.replace(regExp, '');
							return false;
						}
					}

					if ((node = node.firstChild)) {
						do {
							if (!trimListStart(node, regExp)) {
								return false;
							}
						} while ((node = node.next));
					}

					return true;
				}

				function removeIgnoredNodes(node) {
					if (node._listIgnore) {
						node.remove();
						return;
					}

					if ((node = node.firstChild)) {
						do {
							removeIgnoredNodes(node);
						} while ((node = node.next));
					}
				}

				function convertParagraphToLi(paragraphNode, listName, start) {
					var level = paragraphNode._listLevel || lastLevel;

					// Handle list nesting
					if (level != lastLevel) {
						if (level < lastLevel) {
							// Move to parent list
							if (currentListNode) {
								currentListNode = currentListNode.parent.parent;
							}
						} else {
							// Create new list
							prevListNode = currentListNode;
							currentListNode = null;
						}
					}

					if (!currentListNode || currentListNode.name != listName) {
						prevListNode = prevListNode || currentListNode;
						currentListNode = new Node(listName, 1);

						if (start > 1) {
							currentListNode.attr('start', '' + start);
						}

						paragraphNode.wrap(currentListNode);
					} else {
						currentListNode.append(paragraphNode);
					}

					paragraphNode.name = 'li';

					// Append list to previous list if it exists
					if (level > lastLevel && prevListNode) {
						prevListNode.lastChild.append(currentListNode);
					}

					lastLevel = level;

					// Remove start of list item "1. " or "&middot; " etc
					removeIgnoredNodes(paragraphNode);
					trimListStart(paragraphNode, /^\u00a0+/);
					trimListStart(paragraphNode, /^\s*([\u2022\u00b7\u00a7\u00d8\u25CF]|\w+\.)/);
					trimListStart(paragraphNode, /^\u00a0+/);
				}

				// Build a list of all root level elements before we start
				// altering them in the loop below.
				var elements = [], child = node.firstChild;
				while (typeof child !== 'undefined' && child !== null) {
					elements.push(child);

					child = child.walk();
					if (child !== null) {
						while (typeof child !== 'undefined' && child.parent !== node) {
							child = child.walk();
						}
					}
				}

				for (var i = 0; i < elements.length; i++) {
					node = elements[i];

					if (node.name == 'p' && node.firstChild) {
						// Find first text node in paragraph
						var nodeText = getText(node);

						// Detect unordered lists look for bullets
						if (isBulletList(nodeText)) {
							convertParagraphToLi(node, 'ul');
							continue;
						}

						// Detect ordered lists 1., a. or ixv.
						if (isNumericList(nodeText)) {
							// Parse OL start number
							var matches = /([0-9]+)\./.exec(nodeText);
							var start = 1;
							if (matches) {
								start = parseInt(matches[1], 10);
							}

							convertParagraphToLi(node, 'ol', start);
							continue;
						}

						// Convert paragraphs marked as lists but doesn't look like anything
						if (node._listLevel) {
							convertParagraphToLi(node, 'ul', 1);
							continue;
						}

						currentListNode = null;
					} else {
						// If the root level element isn't a p tag which can be
						// processed by convertParagraphToLi, it interrupts the
						// lists, causing a new list to start instead of having
						// elements from the next list inserted above this tag.
						prevListNode = currentListNode;
						currentListNode = null;
					}
				}
			}

			function filterStyles(node, styleValue) {
				var outputStyles = {}, matches, styles = editor.dom.parseStyle(styleValue);

				Tools.each(styles, function(value, name) {
					// Convert various MS styles to W3C styles
					switch (name) {
						case 'mso-list':
							// Parse out list indent level for lists
							matches = /\w+ \w+([0-9]+)/i.exec(styleValue);
							if (matches) {
								node._listLevel = parseInt(matches[1], 10);
							}

							// Remove these nodes <span style="mso-list:Ignore">o</span>
							// Since the span gets removed we mark the text node and the span
							if (/Ignore/i.test(value) && node.firstChild) {
								node._listIgnore = true;
								node.firstChild._listIgnore = true;
							}

							break;

						case "horiz-align":
							name = "text-align";
							break;

						case "vert-align":
							name = "vertical-align";
							break;

						case "font-color":
						case "mso-foreground":
							name = "color";
							break;

						case "mso-background":
						case "mso-highlight":
							name = "background";
							break;

						case "font-weight":
						case "font-style":
							if (value != "normal") {
								outputStyles[name] = value;
							}
							return;

						case "mso-element":
							// Remove track changes code
							if (/^(comment|comment-list)$/i.test(value)) {
								node.remove();
								return;
							}

							break;
					}

					if (name.indexOf('mso-comment') === 0) {
						node.remove();
						return;
					}

					// Never allow mso- prefixed names
					if (name.indexOf('mso-') === 0) {
						return;
					}

					// Output only valid styles
					if (retainStyleProperties == "all" || (validStyles && validStyles[name])) {
						outputStyles[name] = value;
					}
				});

				// Convert bold style to "b" element
				if (/(bold)/i.test(outputStyles["font-weight"])) {
					delete outputStyles["font-weight"];
					node.wrap(new Node("b", 1));
				}

				// Convert italic style to "i" element
				if (/(italic)/i.test(outputStyles["font-style"])) {
					delete outputStyles["font-style"];
					node.wrap(new Node("i", 1));
				}

				// Serialize the styles and see if there is something left to keep
				outputStyles = editor.dom.serializeStyle(outputStyles, node.name);
				if (outputStyles) {
					return outputStyles;
				}

				return null;
			}

			if (settings.paste_enable_default_filters === false) {
				return;
			}

			// Detect is the contents is Word junk HTML
			if (isWordContent(e.content)) {
				e.wordContent = true; // Mark it for other processors

				// Remove basic Word junk
				content = Utils.filter(content, [
					// Word comments like conditional comments etc
					/<!--[\s\S]+?-->/gi,

					// Remove comments, scripts (e.g., msoShowComment), XML tag, VML content,
					// MS Office namespaced tags, and a few other tags
					/<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi,

					// Convert <s> into <strike> for line-though
					[/<(\/?)s>/gi, "<$1strike>"],

					// Replace nsbp entites to char since it's easier to handle
					[/&nbsp;/gi, "\u00a0"],

					// Convert <span style="mso-spacerun:yes">___</span> to string of alternating
					// breaking/non-breaking spaces of same length
					[/<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi,
						function(str, spaces) {
							return (spaces.length > 0) ?
								spaces.replace(/./, " ").slice(Math.floor(spaces.length / 2)).split("").join("\u00a0") : "";
						}
					]
				]);

				var validElements = settings.paste_word_valid_elements;
				if (!validElements) {
					validElements = (
						'-strong/b,-em/i,-u,-span,-p,-ol,-ul,-li,-h1,-h2,-h3,-h4,-h5,-h6,' +
						'-p/div,-a[href|name],sub,sup,strike,br,del,table[width],tr,' +
						'td[colspan|rowspan|width],th[colspan|rowspan|width],thead,tfoot,tbody'
					);
				}

				// Setup strict schema
				var schema = new Schema({
					valid_elements: validElements,
					valid_children: '-li[p]'
				});

				// Add style/class attribute to all element rules since the user might have removed them from
				// paste_word_valid_elements config option and we need to check them for properties
				Tools.each(schema.elements, function(rule) {
					if (!rule.attributes["class"]) {
						rule.attributes["class"] = {};
						rule.attributesOrder.push("class");
					}

					if (!rule.attributes.style) {
						rule.attributes.style = {};
						rule.attributesOrder.push("style");
					}
				});

				// Parse HTML into DOM structure
				var domParser = new DomParser({}, schema);

				// Filter styles to remove "mso" specific styles and convert some of them
				domParser.addAttributeFilter('style', function(nodes) {
					var i = nodes.length, node;

					while (i--) {
						node = nodes[i];
						node.attr('style', filterStyles(node, node.attr('style')));

						// Remove pointess spans
						if (node.name == 'span' && node.parent && !node.attributes.length) {
							node.unwrap();
						}
					}
				});

				// Check the class attribute for comments or del items and remove those
				domParser.addAttributeFilter('class', function(nodes) {
					var i = nodes.length, node, className;

					while (i--) {
						node = nodes[i];

						className = node.attr('class');
						if (/^(MsoCommentReference|MsoCommentText|msoDel|MsoCaption)$/i.test(className)) {
							node.remove();
						}

						node.attr('class', null);
					}
				});

				// Remove all del elements since we don't want the track changes code in the editor
				domParser.addNodeFilter('del', function(nodes) {
					var i = nodes.length;

					while (i--) {
						nodes[i].remove();
					}
				});

				// Keep some of the links and anchors
				domParser.addNodeFilter('a', function(nodes) {
					var i = nodes.length, node, href, name;

					while (i--) {
						node = nodes[i];
						href = node.attr('href');
						name = node.attr('name');

						if (href && href.indexOf('#_msocom_') != -1) {
							node.remove();
							continue;
						}

						if (href && href.indexOf('file://') === 0) {
							href = href.split('#')[1];
							if (href) {
								href = '#' + href;
							}
						}

						if (!href && !name) {
							node.unwrap();
						} else {
							// Remove all named anchors that aren't specific to TOC, Footnotes or Endnotes
							if (name && !/^_?(?:toc|edn|ftn)/i.test(name)) {
								node.unwrap();
								continue;
							}

							node.attr({
								href: href,
								name: name
							});
						}
					}
				});

				// Parse into DOM structure
				var rootNode = domParser.parse(content);

				// Process DOM
				if (settings.paste_convert_word_fake_lists !== false) {
					convertFakeListsToProperLists(rootNode);
				}

				// Serialize DOM back to HTML
				e.content = new Serializer({}, schema).serialize(rootNode);
			}
		});
	}

	WordFilter.isWordContent = isWordContent;

	return WordFilter;
});

// Included from: js/tinymce/plugins/paste/classes/Quirks.js

/**
 * Quirks.js
 *
 * Copyright, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/**
 * This class contains various fixes for browsers. These issues can not be feature
 * detected since we have no direct control over the clipboard. However we might be able
 * to remove some of these fixes once the browsers gets updated/fixed.
 *
 * @class tinymce.pasteplugin.Quirks
 * @private
 */
define("tinymce/pasteplugin/Quirks", [
	"tinymce/Env",
	"tinymce/util/Tools",
	"tinymce/pasteplugin/WordFilter",
	"tinymce/pasteplugin/Utils"
], function(Env, Tools, WordFilter, Utils) {
	"use strict";

	return function(editor) {
		function addPreProcessFilter(filterFunc) {
			editor.on('BeforePastePreProcess', function(e) {
				e.content = filterFunc(e.content);
			});
		}

		/**
		 * Removes BR elements after block elements. IE9 has a nasty bug where it puts a BR element after each
		 * block element when pasting from word. This removes those elements.
		 *
		 * This:
		 *  <p>a</p><br><p>b</p>
		 *
		 * Becomes:
		 *  <p>a</p><p>b</p>
		 */
		function removeExplorerBrElementsAfterBlocks(html) {
			// Only filter word specific content
			if (!WordFilter.isWordContent(html)) {
				return html;
			}

			// Produce block regexp based on the block elements in schema
			var blockElements = [];

			Tools.each(editor.schema.getBlockElements(), function(block, blockName) {
				blockElements.push(blockName);
			});

			var explorerBlocksRegExp = new RegExp(
				'(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*(<\\/?(' + blockElements.join('|') + ')[^>]*>)(?:<br>&nbsp;[\\s\\r\\n]+|<br>)*',
				'g'
			);

			// Remove BR:s from: <BLOCK>X</BLOCK><BR>
			html = Utils.filter(html, [
				[explorerBlocksRegExp, '$1']
			]);

			// IE9 also adds an extra BR element for each soft-linefeed and it also adds a BR for each word wrap break
			html = Utils.filter(html, [
				[/<br><br>/g, '<BR><BR>'], // Replace multiple BR elements with uppercase BR to keep them intact
				[/<br>/g, ' '],            // Replace single br elements with space since they are word wrap BR:s
				[/<BR><BR>/g, '<br>']      // Replace back the double brs but into a single BR
			]);

			return html;
		}

		/**
		 * WebKit has a nasty bug where the all computed styles gets added to style attributes when copy/pasting contents.
		 * This fix solves that by simply removing the whole style attribute.
		 *
		 * The paste_webkit_styles option can be set to specify what to keep:
		 *  paste_webkit_styles: "none" // Keep no styles
		 *  paste_webkit_styles: "all", // Keep all of them
		 *  paste_webkit_styles: "font-weight color" // Keep specific ones
		 *
		 * @param {String} content Content that needs to be processed.
		 * @return {String} Processed contents.
		 */
		function removeWebKitStyles(content) {
			// Passthrough all styles from Word and let the WordFilter handle that junk
			if (WordFilter.isWordContent(content)) {
				return content;
			}

			// Filter away styles that isn't matching the target node
			var webKitStyles = editor.settings.paste_webkit_styles;

			if (editor.settings.paste_remove_styles_if_webkit === false || webKitStyles == "all") {
				return content;
			}

			if (webKitStyles) {
				webKitStyles = webKitStyles.split(/[, ]/);
			}

			// Keep specific styles that doesn't match the current node computed style
			if (webKitStyles) {
				var dom = editor.dom, node = editor.selection.getNode();

				content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, function(all, before, value, after) {
					var inputStyles = dom.parseStyle(value, 'span'), outputStyles = {};

					if (webKitStyles === "none") {
						return before + after;
					}

					for (var i = 0; i < webKitStyles.length; i++) {
						var inputValue = inputStyles[webKitStyles[i]], currentValue = dom.getStyle(node, webKitStyles[i], true);

						if (/color/.test(webKitStyles[i])) {
							inputValue = dom.toHex(inputValue);
							currentValue = dom.toHex(currentValue);
						}

						if (currentValue != inputValue) {
							outputStyles[webKitStyles[i]] = inputValue;
						}
					}

					outputStyles = dom.serializeStyle(outputStyles, 'span');
					if (outputStyles) {
						return before + ' style="' + outputStyles + '"' + after;
					}

					return before + after;
				});
			} else {
				// Remove all external styles
				content = content.replace(/(<[^>]+) style="([^"]*)"([^>]*>)/gi, '$1$3');
			}

			// Keep internal styles
			content = content.replace(/(<[^>]+) data-mce-style="([^"]+)"([^>]*>)/gi, function(all, before, value, after) {
				return before + ' style="' + value + '"' + after;
			});

			return content;
		}

		// Sniff browsers and apply fixes since we can't feature detect
		if (Env.webkit) {
			addPreProcessFilter(removeWebKitStyles);
		}

		if (Env.ie) {
			addPreProcessFilter(removeExplorerBrElementsAfterBlocks);
		}
	};
});

// Included from: js/tinymce/plugins/paste/classes/Plugin.js

/**
 * Plugin.js
 *
 * Copyright, Moxiecode Systems AB
 * Released under LGPL License.
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/**
 * This class contains the tinymce plugin logic for the paste plugin.
 *
 * @class tinymce.pasteplugin.Plugin
 * @private
 */
define("tinymce/pasteplugin/Plugin", [
	"tinymce/PluginManager",
	"tinymce/pasteplugin/Clipboard",
	"tinymce/pasteplugin/WordFilter",
	"tinymce/pasteplugin/Quirks"
], function(PluginManager, Clipboard, WordFilter, Quirks) {
	var userIsInformed;

	PluginManager.add('paste', function(editor) {
		var self = this, clipboard, settings = editor.settings;

		function togglePlainTextPaste() {
			if (clipboard.pasteFormat == "text") {
				this.active(false);
				clipboard.pasteFormat = "html";
			} else {
				clipboard.pasteFormat = "text";
				this.active(true);

				if (!userIsInformed) {
					editor.windowManager.alert(
						'Paste is now in plain text mode. Contents will now ' +
						'be pasted as plain text until you toggle this option off.'
					);

					userIsInformed = true;
				}
			}
		}

		self.clipboard = clipboard = new Clipboard(editor);
		self.quirks = new Quirks(editor);
		self.wordFilter = new WordFilter(editor);

		if (editor.settings.paste_as_text) {
			self.clipboard.pasteFormat = "text";
		}

		if (settings.paste_preprocess) {
			editor.on('PastePreProcess', function(e) {
				settings.paste_preprocess.call(self, self, e);
			});
		}

		if (settings.paste_postprocess) {
			editor.on('PastePostProcess', function(e) {
				settings.paste_postprocess.call(self, self, e);
			});
		}

		editor.addCommand('mceInsertClipboardContent', function(ui, value) {
			if (value.content) {
				self.clipboard.pasteHtml(value.content);
			}

			if (value.text) {
				self.clipboard.pasteText(value.text);
			}
		});

		// Block all drag/drop events
		if (editor.paste_block_drop) {
			editor.on('dragend dragover draggesture dragdrop drop drag', function(e) {
				e.preventDefault();
				e.stopPropagation();
			});
		}

		// Prevent users from dropping data images on Gecko
		if (!editor.settings.paste_data_images) {
			editor.on('drop', function(e) {
				var dataTransfer = e.dataTransfer;

				if (dataTransfer && dataTransfer.files && dataTransfer.files.length > 0) {
					e.preventDefault();
				}
			});
		}

		editor.addButton('pastetext', {
			icon: 'pastetext',
			tooltip: 'Paste as text',
			onclick: togglePlainTextPaste,
			active: self.clipboard.pasteFormat == "text"
		});

		editor.addMenuItem('pastetext', {
			text: 'Paste as text',
			selectable: true,
			active: clipboard.pasteFormat,
			onclick: togglePlainTextPaste
		});
	});
});

expose(["tinymce/pasteplugin/Utils","tinymce/pasteplugin/WordFilter"]);
})(this);