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/modules/mod_base/lib/js/modules/tinymce3.4.3.2/plugins/paste/editor_plugin_src.js

https://code.google.com/p/zotonic/
JavaScript | 942 lines | 758 code | 88 blank | 96 comment | 106 complexity | 65e17bcbe468725a287ba306dcc361ff MD5 | raw file
  1/**
  2 * editor_plugin_src.js
  3 *
  4 * Copyright 2009, Moxiecode Systems AB
  5 * Released under LGPL License.
  6 *
  7 * License: http://tinymce.moxiecode.com/license
  8 * Contributing: http://tinymce.moxiecode.com/contributing
  9 */
 10
 11(function() {
 12	var each = tinymce.each,
 13		defs = {
 14			paste_auto_cleanup_on_paste : true,
 15			paste_enable_default_filters : true,
 16			paste_block_drop : false,
 17			paste_retain_style_properties : "none",
 18			paste_strip_class_attributes : "mso",
 19			paste_remove_spans : false,
 20			paste_remove_styles : false,
 21			paste_remove_styles_if_webkit : true,
 22			paste_convert_middot_lists : true,
 23			paste_convert_headers_to_strong : false,
 24			paste_dialog_width : "450",
 25			paste_dialog_height : "400",
 26			paste_text_use_dialog : false,
 27			paste_text_sticky : false,
 28			paste_text_sticky_default : false,
 29			paste_text_notifyalways : false,
 30			paste_text_linebreaktype : "p",
 31			paste_text_replacements : [
 32				[/\u2026/g, "..."],
 33				[/[\x93\x94\u201c\u201d]/g, '"'],
 34				[/[\x60\x91\x92\u2018\u2019]/g, "'"]
 35			]
 36		};
 37
 38	function getParam(ed, name) {
 39		return ed.getParam(name, defs[name]);
 40	}
 41
 42	tinymce.create('tinymce.plugins.PastePlugin', {
 43		init : function(ed, url) {
 44			var t = this;
 45
 46			t.editor = ed;
 47			t.url = url;
 48
 49			// Setup plugin events
 50			t.onPreProcess = new tinymce.util.Dispatcher(t);
 51			t.onPostProcess = new tinymce.util.Dispatcher(t);
 52
 53			// Register default handlers
 54			t.onPreProcess.add(t._preProcess);
 55			t.onPostProcess.add(t._postProcess);
 56
 57			// Register optional preprocess handler
 58			t.onPreProcess.add(function(pl, o) {
 59				ed.execCallback('paste_preprocess', pl, o);
 60			});
 61
 62			// Register optional postprocess
 63			t.onPostProcess.add(function(pl, o) {
 64				ed.execCallback('paste_postprocess', pl, o);
 65			});
 66
 67			ed.onKeyDown.addToTop(function(ed, e) {
 68				// Block ctrl+v from adding an undo level since the default logic in tinymce.Editor will add that
 69				if (((tinymce.isMac ? e.metaKey : e.ctrlKey) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45))
 70					return false; // Stop other listeners
 71			});
 72
 73			// Initialize plain text flag
 74			ed.pasteAsPlainText = getParam(ed, 'paste_text_sticky_default');
 75
 76			// This function executes the process handlers and inserts the contents
 77			// force_rich overrides plain text mode set by user, important for pasting with execCommand
 78			function process(o, force_rich) {
 79				var dom = ed.dom, rng;
 80
 81				// Execute pre process handlers
 82				t.onPreProcess.dispatch(t, o);
 83
 84				// Create DOM structure
 85				o.node = dom.create('div', 0, o.content);
 86
 87				// If pasting inside the same element and the contents is only one block
 88				// remove the block and keep the text since Firefox will copy parts of pre and h1-h6 as a pre element
 89				if (tinymce.isGecko) {
 90					rng = ed.selection.getRng(true);
 91					if (rng.startContainer == rng.endContainer && rng.startContainer.nodeType == 3) {
 92						// Is only one block node and it doesn't contain word stuff
 93						if (o.node.childNodes.length === 1 && /^(p|h[1-6]|pre)$/i.test(o.node.firstChild.nodeName) && o.content.indexOf('__MCE_ITEM__') === -1)
 94							dom.remove(o.node.firstChild, true);
 95					}
 96				}
 97
 98				// Execute post process handlers
 99				t.onPostProcess.dispatch(t, o);
100
101				// Serialize content
102				o.content = ed.serializer.serialize(o.node, {getInner : 1, forced_root_block : ''});
103
104				// Plain text option active?
105				if ((!force_rich) && (ed.pasteAsPlainText)) {
106					t._insertPlainText(ed, dom, o.content);
107
108					if (!getParam(ed, "paste_text_sticky")) {
109						ed.pasteAsPlainText = false;
110						ed.controlManager.setActive("pastetext", false);
111					}
112				} else {
113					t._insert(o.content);
114				}
115			}
116
117			// Add command for external usage
118			ed.addCommand('mceInsertClipboardContent', function(u, o) {
119				process(o, true);
120			});
121
122			if (!getParam(ed, "paste_text_use_dialog")) {
123				ed.addCommand('mcePasteText', function(u, v) {
124					var cookie = tinymce.util.Cookie;
125
126					ed.pasteAsPlainText = !ed.pasteAsPlainText;
127					ed.controlManager.setActive('pastetext', ed.pasteAsPlainText);
128
129					if ((ed.pasteAsPlainText) && (!cookie.get("tinymcePasteText"))) {
130						if (getParam(ed, "paste_text_sticky")) {
131							ed.windowManager.alert(ed.translate('paste.plaintext_mode_sticky'));
132						} else {
133							ed.windowManager.alert(ed.translate('paste.plaintext_mode_sticky'));
134						}
135
136						if (!getParam(ed, "paste_text_notifyalways")) {
137							cookie.set("tinymcePasteText", "1", new Date(new Date().getFullYear() + 1, 12, 31))
138						}
139					}
140				});
141			}
142
143			ed.addButton('pastetext', {title: 'paste.paste_text_desc', cmd: 'mcePasteText'});
144			ed.addButton('selectall', {title: 'paste.selectall_desc', cmd: 'selectall'});
145
146			// This function grabs the contents from the clipboard by adding a
147			// hidden div and placing the caret inside it and after the browser paste
148			// is done it grabs that contents and processes that
149			function grabContent(e) {
150				var n, or, rng, oldRng, sel = ed.selection, dom = ed.dom, body = ed.getBody(), posY, textContent;
151
152				// Check if browser supports direct plaintext access
153				if (e.clipboardData || dom.doc.dataTransfer) {
154					textContent = (e.clipboardData || dom.doc.dataTransfer).getData('Text');
155
156					if (ed.pasteAsPlainText) {
157						e.preventDefault();
158						process({content : textContent.replace(/\r?\n/g, '<br />')});
159						return;
160					}
161				}
162
163				if (dom.get('_mcePaste'))
164					return;
165
166				// Create container to paste into
167				n = dom.add(body, 'div', {id : '_mcePaste', 'class' : 'mcePaste', 'data-mce-bogus' : '1'}, '\uFEFF\uFEFF');
168
169				// If contentEditable mode we need to find out the position of the closest element
170				if (body != ed.getDoc().body)
171					posY = dom.getPos(ed.selection.getStart(), body).y;
172				else
173					posY = body.scrollTop + dom.getViewPort(ed.getWin()).y;
174
175				// Styles needs to be applied after the element is added to the document since WebKit will otherwise remove all styles
176				// If also needs to be in view on IE or the paste would fail
177				dom.setStyles(n, {
178					position : 'absolute',
179					left : tinymce.isGecko ? -40 : 0, // Need to move it out of site on Gecko since it will othewise display a ghost resize rect for the div
180					top : posY - 25,
181					width : 1,
182					height : 1,
183					overflow : 'hidden'
184				});
185
186				if (tinymce.isIE) {
187					// Store away the old range
188					oldRng = sel.getRng();
189
190					// Select the container
191					rng = dom.doc.body.createTextRange();
192					rng.moveToElementText(n);
193					rng.execCommand('Paste');
194
195					// Remove container
196					dom.remove(n);
197
198					// Check if the contents was changed, if it wasn't then clipboard extraction failed probably due
199					// to IE security settings so we pass the junk though better than nothing right
200					if (n.innerHTML === '\uFEFF\uFEFF') {
201						ed.execCommand('mcePasteWord');
202						e.preventDefault();
203						return;
204					}
205
206					// Restore the old range and clear the contents before pasting
207					sel.setRng(oldRng);
208					sel.setContent('');
209
210					// For some odd reason we need to detach the the mceInsertContent call from the paste event
211					// It's like IE has a reference to the parent element that you paste in and the selection gets messed up
212					// when it tries to restore the selection
213					setTimeout(function() {
214						// Process contents
215						process({content : n.innerHTML});
216					}, 0);
217
218					// Block the real paste event
219					return tinymce.dom.Event.cancel(e);
220				} else {
221					function block(e) {
222						e.preventDefault();
223					};
224
225					// Block mousedown and click to prevent selection change
226					dom.bind(ed.getDoc(), 'mousedown', block);
227					dom.bind(ed.getDoc(), 'keydown', block);
228
229					or = ed.selection.getRng();
230
231					// Move select contents inside DIV
232					n = n.firstChild;
233					rng = ed.getDoc().createRange();
234					rng.setStart(n, 0);
235					rng.setEnd(n, 2);
236					sel.setRng(rng);
237
238					// Wait a while and grab the pasted contents
239					window.setTimeout(function() {
240						var h = '', nl;
241
242						// Paste divs duplicated in paste divs seems to happen when you paste plain text so lets first look for that broken behavior in WebKit
243						if (!dom.select('div.mcePaste > div.mcePaste').length) {
244							nl = dom.select('div.mcePaste');
245
246							// WebKit will split the div into multiple ones so this will loop through then all and join them to get the whole HTML string
247							each(nl, function(n) {
248								var child = n.firstChild;
249
250								// WebKit inserts a DIV container with lots of odd styles
251								if (child && child.nodeName == 'DIV' && child.style.marginTop && child.style.backgroundColor) {
252									dom.remove(child, 1);
253								}
254
255								// Remove apply style spans
256								each(dom.select('span.Apple-style-span', n), function(n) {
257									dom.remove(n, 1);
258								});
259
260								// Remove bogus br elements
261								each(dom.select('br[data-mce-bogus]', n), function(n) {
262									dom.remove(n);
263								});
264
265								// WebKit will make a copy of the DIV for each line of plain text pasted and insert them into the DIV
266								if (n.parentNode.className != 'mcePaste')
267									h += n.innerHTML;
268							});
269						} else {
270							// Found WebKit weirdness so force the content into paragraphs this seems to happen when you paste plain text from Nodepad etc
271							// So this logic will replace double enter with paragraphs and single enter with br so it kind of looks the same
272							h = '<p>' + dom.encode(textContent).replace(/\r?\n\r?\n/g, '</p><p>').replace(/\r?\n/g, '<br />') + '</p>';
273						}
274
275						// Remove the nodes
276						each(dom.select('div.mcePaste'), function(n) {
277							dom.remove(n);
278						});
279
280						// Restore the old selection
281						if (or)
282							sel.setRng(or);
283
284						process({content : h});
285
286						// Unblock events ones we got the contents
287						dom.unbind(ed.getDoc(), 'mousedown', block);
288						dom.unbind(ed.getDoc(), 'keydown', block);
289					}, 0);
290				}
291			}
292
293			// Check if we should use the new auto process method			
294			if (getParam(ed, "paste_auto_cleanup_on_paste")) {
295				// Is it's Opera or older FF use key handler
296				if (tinymce.isOpera || /Firefox\/2/.test(navigator.userAgent)) {
297					ed.onKeyDown.addToTop(function(ed, e) {
298						if (((tinymce.isMac ? e.metaKey : e.ctrlKey) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45))
299							grabContent(e);
300					});
301				} else {
302					// Grab contents on paste event on Gecko and WebKit
303					ed.onPaste.addToTop(function(ed, e) {
304						return grabContent(e);
305					});
306				}
307			}
308
309			ed.onInit.add(function() {
310				ed.controlManager.setActive("pastetext", ed.pasteAsPlainText);
311
312				// Block all drag/drop events
313				if (getParam(ed, "paste_block_drop")) {
314					ed.dom.bind(ed.getBody(), ['dragend', 'dragover', 'draggesture', 'dragdrop', 'drop', 'drag'], function(e) {
315						e.preventDefault();
316						e.stopPropagation();
317
318						return false;
319					});
320				}
321			});
322
323			// Add legacy support
324			t._legacySupport();
325		},
326
327		getInfo : function() {
328			return {
329				longname : 'Paste text/word',
330				author : 'Moxiecode Systems AB',
331				authorurl : 'http://tinymce.moxiecode.com',
332				infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/paste',
333				version : tinymce.majorVersion + "." + tinymce.minorVersion
334			};
335		},
336
337		_preProcess : function(pl, o) {
338			var ed = this.editor,
339				h = o.content,
340				grep = tinymce.grep,
341				explode = tinymce.explode,
342				trim = tinymce.trim,
343				len, stripClass;
344
345			//console.log('Before preprocess:' + o.content);
346
347			function process(items) {
348				each(items, function(v) {
349					// Remove or replace
350					if (v.constructor == RegExp)
351						h = h.replace(v, '');
352					else
353						h = h.replace(v[0], v[1]);
354				});
355			}
356			
357			if (ed.settings.paste_enable_default_filters == false) {
358				return;
359			}
360
361			// IE9 adds BRs before/after block elements when contents is pasted from word or for example another browser
362			if (tinymce.isIE && document.documentMode >= 9) {
363				// IE9 adds BRs before/after block elements when contents is pasted from word or for example another browser
364				process([[/(?:<br>&nbsp;[\s\r\n]+|<br>)*(<\/?(h[1-6r]|p|div|address|pre|form|table|tbody|thead|tfoot|th|tr|td|li|ol|ul|caption|blockquote|center|dl|dt|dd|dir|fieldset)[^>]*>)(?:<br>&nbsp;[\s\r\n]+|<br>)*/g, '$1']]);
365
366				// IE9 also adds an extra BR element for each soft-linefeed and it also adds a BR for each word wrap break
367				process([
368					[/<br><br>/g, '<BR><BR>'], // Replace multiple BR elements with uppercase BR to keep them intact
369					[/<br>/g, ' '], // Replace single br elements with space since they are word wrap BR:s
370					[/<BR><BR>/g, '<br>'], // Replace back the double brs but into a single BR
371				]);
372			}
373
374			// Detect Word content and process it more aggressive
375			if (/class="?Mso|style="[^"]*\bmso-|w:WordDocument/i.test(h) || o.wordContent) {
376				o.wordContent = true;			// Mark the pasted contents as word specific content
377				//console.log('Word contents detected.');
378
379				// Process away some basic content
380				process([
381					/^\s*(&nbsp;)+/gi,				// &nbsp; entities at the start of contents
382					/(&nbsp;|<br[^>]*>)+\s*$/gi		// &nbsp; entities at the end of contents
383				]);
384
385				if (getParam(ed, "paste_convert_headers_to_strong")) {
386					h = h.replace(/<p [^>]*class="?MsoHeading"?[^>]*>(.*?)<\/p>/gi, "<p><strong>$1</strong></p>");
387				}
388
389				if (getParam(ed, "paste_convert_middot_lists")) {
390					process([
391						[/<!--\[if !supportLists\]-->/gi, '$&__MCE_ITEM__'],					// Convert supportLists to a list item marker
392						[/(<span[^>]+(?:mso-list:|:\s*symbol)[^>]+>)/gi, '$1__MCE_ITEM__'],		// Convert mso-list and symbol spans to item markers
393						[/(<p[^>]+(?:MsoListParagraph)[^>]+>)/gi, '$1__MCE_ITEM__']				// Convert mso-list and symbol paragraphs to item markers (FF)
394					]);
395				}
396
397				process([
398					// Word comments like conditional comments etc
399					/<!--[\s\S]+?-->/gi,
400
401					// Remove comments, scripts (e.g., msoShowComment), XML tag, VML content, MS Office namespaced tags, and a few other tags
402					/<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi,
403
404					// Convert <s> into <strike> for line-though
405					[/<(\/?)s>/gi, "<$1strike>"],
406
407					// Replace nsbp entites to char since it's easier to handle
408					[/&nbsp;/gi, "\u00a0"]
409				]);
410
411				// Remove bad attributes, with or without quotes, ensuring that attribute text is really inside a tag.
412				// If JavaScript had a RegExp look-behind, we could have integrated this with the last process() array and got rid of the loop. But alas, it does not, so we cannot.
413				do {
414					len = h.length;
415					h = h.replace(/(<[a-z][^>]*\s)(?:id|name|language|type|on\w+|\w+:\w+)=(?:"[^"]*"|\w+)\s?/gi, "$1");
416				} while (len != h.length);
417
418				// Remove all spans if no styles is to be retained
419				if (getParam(ed, "paste_retain_style_properties").replace(/^none$/i, "").length == 0) {
420					h = h.replace(/<\/?span[^>]*>/gi, "");
421				} else {
422					// We're keeping styles, so at least clean them up.
423					// CSS Reference: http://msdn.microsoft.com/en-us/library/aa155477.aspx
424
425					process([
426						// Convert <span style="mso-spacerun:yes">___</span> to string of alternating breaking/non-breaking spaces of same length
427						[/<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi,
428							function(str, spaces) {
429								return (spaces.length > 0)? spaces.replace(/./, " ").slice(Math.floor(spaces.length/2)).split("").join("\u00a0") : "";
430							}
431						],
432
433						// Examine all styles: delete junk, transform some, and keep the rest
434						[/(<[a-z][^>]*)\sstyle="([^"]*)"/gi,
435							function(str, tag, style) {
436								var n = [],
437									i = 0,
438									s = explode(trim(style).replace(/&quot;/gi, "'"), ";");
439
440								// Examine each style definition within the tag's style attribute
441								each(s, function(v) {
442									var name, value,
443										parts = explode(v, ":");
444
445									function ensureUnits(v) {
446										return v + ((v !== "0") && (/\d$/.test(v)))? "px" : "";
447									}
448
449									if (parts.length == 2) {
450										name = parts[0].toLowerCase();
451										value = parts[1].toLowerCase();
452
453										// Translate certain MS Office styles into their CSS equivalents
454										switch (name) {
455											case "mso-padding-alt":
456											case "mso-padding-top-alt":
457											case "mso-padding-right-alt":
458											case "mso-padding-bottom-alt":
459											case "mso-padding-left-alt":
460											case "mso-margin-alt":
461											case "mso-margin-top-alt":
462											case "mso-margin-right-alt":
463											case "mso-margin-bottom-alt":
464											case "mso-margin-left-alt":
465											case "mso-table-layout-alt":
466											case "mso-height":
467											case "mso-width":
468											case "mso-vertical-align-alt":
469												n[i++] = name.replace(/^mso-|-alt$/g, "") + ":" + ensureUnits(value);
470												return;
471
472											case "horiz-align":
473												n[i++] = "text-align:" + value;
474												return;
475
476											case "vert-align":
477												n[i++] = "vertical-align:" + value;
478												return;
479
480											case "font-color":
481											case "mso-foreground":
482												n[i++] = "color:" + value;
483												return;
484
485											case "mso-background":
486											case "mso-highlight":
487												n[i++] = "background:" + value;
488												return;
489
490											case "mso-default-height":
491												n[i++] = "min-height:" + ensureUnits(value);
492												return;
493
494											case "mso-default-width":
495												n[i++] = "min-width:" + ensureUnits(value);
496												return;
497
498											case "mso-padding-between-alt":
499												n[i++] = "border-collapse:separate;border-spacing:" + ensureUnits(value);
500												return;
501
502											case "text-line-through":
503												if ((value == "single") || (value == "double")) {
504													n[i++] = "text-decoration:line-through";
505												}
506												return;
507
508											case "mso-zero-height":
509												if (value == "yes") {
510													n[i++] = "display:none";
511												}
512												return;
513										}
514
515										// Eliminate all MS Office style definitions that have no CSS equivalent by examining the first characters in the name
516										if (/^(mso|column|font-emph|lang|layout|line-break|list-image|nav|panose|punct|row|ruby|sep|size|src|tab-|table-border|text-(?!align|decor|indent|trans)|top-bar|version|vnd|word-break)/.test(name)) {
517											return;
518										}
519
520										// If it reached this point, it must be a valid CSS style
521										n[i++] = name + ":" + parts[1];		// Lower-case name, but keep value case
522									}
523								});
524
525								// If style attribute contained any valid styles the re-write it; otherwise delete style attribute.
526								if (i > 0) {
527									return tag + ' style="' + n.join(';') + '"';
528								} else {
529									return tag;
530								}
531							}
532						]
533					]);
534				}
535			}
536
537			// Replace headers with <strong>
538			if (getParam(ed, "paste_convert_headers_to_strong")) {
539				process([
540					[/<h[1-6][^>]*>/gi, "<p><strong>"],
541					[/<\/h[1-6][^>]*>/gi, "</strong></p>"]
542				]);
543			}
544
545			process([
546				// Copy paste from Java like Open Office will produce this junk on FF
547				[/Version:[\d.]+\nStartHTML:\d+\nEndHTML:\d+\nStartFragment:\d+\nEndFragment:\d+/gi, '']
548			]);
549
550			// Class attribute options are: leave all as-is ("none"), remove all ("all"), or remove only those starting with mso ("mso").
551			// Note:-  paste_strip_class_attributes: "none", verify_css_classes: true is also a good variation.
552			stripClass = getParam(ed, "paste_strip_class_attributes");
553
554			if (stripClass !== "none") {
555				function removeClasses(match, g1) {
556						if (stripClass === "all")
557							return '';
558
559						var cls = grep(explode(g1.replace(/^(["'])(.*)\1$/, "$2"), " "),
560							function(v) {
561								return (/^(?!mso)/i.test(v));
562							}
563						);
564
565						return cls.length ? ' class="' + cls.join(" ") + '"' : '';
566				};
567
568				h = h.replace(/ class="([^"]+)"/gi, removeClasses);
569				h = h.replace(/ class=([\-\w]+)/gi, removeClasses);
570			}
571
572			// Remove spans option
573			if (getParam(ed, "paste_remove_spans")) {
574				h = h.replace(/<\/?span[^>]*>/gi, "");
575			}
576
577			//console.log('After preprocess:' + h);
578
579			o.content = h;
580		},
581
582		/**
583		 * Various post process items.
584		 */
585		_postProcess : function(pl, o) {
586			var t = this, ed = t.editor, dom = ed.dom, styleProps;
587
588			if (ed.settings.paste_enable_default_filters == false) {
589				return;
590			}
591			
592			if (o.wordContent) {
593				// Remove named anchors or TOC links
594				each(dom.select('a', o.node), function(a) {
595					if (!a.href || a.href.indexOf('#_Toc') != -1)
596						dom.remove(a, 1);
597				});
598
599				if (getParam(ed, "paste_convert_middot_lists")) {
600					t._convertLists(pl, o);
601				}
602
603				// Process styles
604				styleProps = getParam(ed, "paste_retain_style_properties"); // retained properties
605
606				// Process only if a string was specified and not equal to "all" or "*"
607				if ((tinymce.is(styleProps, "string")) && (styleProps !== "all") && (styleProps !== "*")) {
608					styleProps = tinymce.explode(styleProps.replace(/^none$/i, ""));
609
610					// Retains some style properties
611					each(dom.select('*', o.node), function(el) {
612						var newStyle = {}, npc = 0, i, sp, sv;
613
614						// Store a subset of the existing styles
615						if (styleProps) {
616							for (i = 0; i < styleProps.length; i++) {
617								sp = styleProps[i];
618								sv = dom.getStyle(el, sp);
619
620								if (sv) {
621									newStyle[sp] = sv;
622									npc++;
623								}
624							}
625						}
626
627						// Remove all of the existing styles
628						dom.setAttrib(el, 'style', '');
629
630						if (styleProps && npc > 0)
631							dom.setStyles(el, newStyle); // Add back the stored subset of styles
632						else // Remove empty span tags that do not have class attributes
633							if (el.nodeName == 'SPAN' && !el.className)
634								dom.remove(el, true);
635					});
636				}
637			}
638
639			// Remove all style information or only specifically on WebKit to avoid the style bug on that browser
640			if (getParam(ed, "paste_remove_styles") || (getParam(ed, "paste_remove_styles_if_webkit") && tinymce.isWebKit)) {
641				each(dom.select('*[style]', o.node), function(el) {
642					el.removeAttribute('style');
643					el.removeAttribute('data-mce-style');
644				});
645			} else {
646				if (tinymce.isWebKit) {
647					// We need to compress the styles on WebKit since if you paste <img border="0" /> it will become <img border="0" style="... lots of junk ..." />
648					// Removing the mce_style that contains the real value will force the Serializer engine to compress the styles
649					each(dom.select('*', o.node), function(el) {
650						el.removeAttribute('data-mce-style');
651					});
652				}
653			}
654		},
655
656		/**
657		 * Converts the most common bullet and number formats in Office into a real semantic UL/LI list.
658		 */
659		_convertLists : function(pl, o) {
660			var dom = pl.editor.dom, listElm, li, lastMargin = -1, margin, levels = [], lastType, html;
661
662			// Convert middot lists into real semantic lists
663			each(dom.select('p', o.node), function(p) {
664				var sib, val = '', type, html, idx, parents;
665
666				// Get text node value at beginning of paragraph
667				for (sib = p.firstChild; sib && sib.nodeType == 3; sib = sib.nextSibling)
668					val += sib.nodeValue;
669
670				val = p.innerHTML.replace(/<\/?\w+[^>]*>/gi, '').replace(/&nbsp;/g, '\u00a0');
671
672				// Detect unordered lists look for bullets
673				if (/^(__MCE_ITEM__)+[\u2022\u00b7\u00a7\u00d8o\u25CF]\s*\u00a0*/.test(val))
674					type = 'ul';
675
676				// Detect ordered lists 1., a. or ixv.
677				if (/^__MCE_ITEM__\s*\w+\.\s*\u00a0+/.test(val))
678					type = 'ol';
679
680				// Check if node value matches the list pattern: o&nbsp;&nbsp;
681				if (type) {
682					margin = parseFloat(p.style.marginLeft || 0);
683
684					if (margin > lastMargin)
685						levels.push(margin);
686
687					if (!listElm || type != lastType) {
688						listElm = dom.create(type);
689						dom.insertAfter(listElm, p);
690					} else {
691						// Nested list element
692						if (margin > lastMargin) {
693							listElm = li.appendChild(dom.create(type));
694						} else if (margin < lastMargin) {
695							// Find parent level based on margin value
696							idx = tinymce.inArray(levels, margin);
697							parents = dom.getParents(listElm.parentNode, type);
698							listElm = parents[parents.length - 1 - idx] || listElm;
699						}
700					}
701
702					// Remove middot or number spans if they exists
703					each(dom.select('span', p), function(span) {
704						var html = span.innerHTML.replace(/<\/?\w+[^>]*>/gi, '');
705
706						// Remove span with the middot or the number
707						if (type == 'ul' && /^__MCE_ITEM__[\u2022\u00b7\u00a7\u00d8o\u25CF]/.test(html))
708							dom.remove(span);
709						else if (/^__MCE_ITEM__[\s\S]*\w+\.(&nbsp;|\u00a0)*\s*/.test(html))
710							dom.remove(span);
711					});
712
713					html = p.innerHTML;
714
715					// Remove middot/list items
716					if (type == 'ul')
717						html = p.innerHTML.replace(/__MCE_ITEM__/g, '').replace(/^[\u2022\u00b7\u00a7\u00d8o\u25CF]\s*(&nbsp;|\u00a0)+\s*/, '');
718					else
719						html = p.innerHTML.replace(/__MCE_ITEM__/g, '').replace(/^\s*\w+\.(&nbsp;|\u00a0)+\s*/, '');
720
721					// Create li and add paragraph data into the new li
722					li = listElm.appendChild(dom.create('li', 0, html));
723					dom.remove(p);
724
725					lastMargin = margin;
726					lastType = type;
727				} else
728					listElm = lastMargin = 0; // End list element
729			});
730
731			// Remove any left over makers
732			html = o.node.innerHTML;
733			if (html.indexOf('__MCE_ITEM__') != -1)
734				o.node.innerHTML = html.replace(/__MCE_ITEM__/g, '');
735		},
736
737		/**
738		 * Inserts the specified contents at the caret position.
739		 */
740		_insert : function(h, skip_undo) {
741			var ed = this.editor, r = ed.selection.getRng();
742
743			// First delete the contents seems to work better on WebKit when the selection spans multiple list items or multiple table cells.
744			if (!ed.selection.isCollapsed() && r.startContainer != r.endContainer)
745				ed.getDoc().execCommand('Delete', false, null);
746
747			ed.execCommand('mceInsertContent', false, h, {skip_undo : skip_undo});
748		},
749
750		/**
751		 * Instead of the old plain text method which tried to re-create a paste operation, the
752		 * new approach adds a plain text mode toggle switch that changes the behavior of paste.
753		 * This function is passed the same input that the regular paste plugin produces.
754		 * It performs additional scrubbing and produces (and inserts) the plain text.
755		 * This approach leverages all of the great existing functionality in the paste
756		 * plugin, and requires minimal changes to add the new functionality.
757		 * Speednet - June 2009
758		 */
759		_insertPlainText : function(ed, dom, h) {
760			var i, len, pos, rpos, node, breakElms, before, after,
761				w = ed.getWin(),
762				d = ed.getDoc(),
763				sel = ed.selection,
764				is = tinymce.is,
765				inArray = tinymce.inArray,
766				linebr = getParam(ed, "paste_text_linebreaktype"),
767				rl = getParam(ed, "paste_text_replacements");
768
769			function process(items) {
770				each(items, function(v) {
771					if (v.constructor == RegExp)
772						h = h.replace(v, "");
773					else
774						h = h.replace(v[0], v[1]);
775				});
776			};
777
778			if ((typeof(h) === "string") && (h.length > 0)) {
779				// If HTML content with line-breaking tags, then remove all cr/lf chars because only tags will break a line
780				if (/<(?:p|br|h[1-6]|ul|ol|dl|table|t[rdh]|div|blockquote|fieldset|pre|address|center)[^>]*>/i.test(h)) {
781					process([
782						/[\n\r]+/g
783					]);
784				} else {
785					// Otherwise just get rid of carriage returns (only need linefeeds)
786					process([
787						/\r+/g
788					]);
789				}
790
791				process([
792					[/<\/(?:p|h[1-6]|ul|ol|dl|table|div|blockquote|fieldset|pre|address|center)>/gi, "\n\n"],		// Block tags get a blank line after them
793					[/<br[^>]*>|<\/tr>/gi, "\n"],				// Single linebreak for <br /> tags and table rows
794					[/<\/t[dh]>\s*<t[dh][^>]*>/gi, "\t"],		// Table cells get tabs betweem them
795					/<[a-z!\/?][^>]*>/gi,						// Delete all remaining tags
796					[/&nbsp;/gi, " "],							// Convert non-break spaces to regular spaces (remember, *plain text*)
797					[/(?:(?!\n)\s)*(\n+)(?:(?!\n)\s)*/gi, "$1"],	// Cool little RegExp deletes whitespace around linebreak chars.
798					[/\n{3,}/g, "\n\n"],							// Max. 2 consecutive linebreaks
799					/^\s+|\s+$/g									// Trim the front & back
800				]);
801
802				h = dom.decode(tinymce.html.Entities.encodeRaw(h));
803
804				// Delete any highlighted text before pasting
805				if (!sel.isCollapsed()) {
806					d.execCommand("Delete", false, null);
807				}
808
809				// Perform default or custom replacements
810				if (is(rl, "array") || (is(rl, "array"))) {
811					process(rl);
812				}
813				else if (is(rl, "string")) {
814					process(new RegExp(rl, "gi"));
815				}
816
817				// Treat paragraphs as specified in the config
818				if (linebr == "none") {
819					process([
820						[/\n+/g, " "]
821					]);
822				}
823				else if (linebr == "br") {
824					process([
825						[/\n/g, "<br />"]
826					]);
827				}
828				else {
829					process([
830						/^\s+|\s+$/g,
831						[/\n\n/g, "</p><p>"],
832						[/\n/g, "<br />"]
833					]);
834				}
835
836				// This next piece of code handles the situation where we're pasting more than one paragraph of plain
837				// text, and we are pasting the content into the middle of a block node in the editor.  The block
838				// node gets split at the selection point into "Para A" and "Para B" (for the purposes of explaining).
839				// The first paragraph of the pasted text is appended to "Para A", and the last paragraph of the
840				// pasted text is prepended to "Para B".  Any other paragraphs of pasted text are placed between
841				// "Para A" and "Para B".  This code solves a host of problems with the original plain text plugin and
842				// now handles styles correctly.  (Pasting plain text into a styled paragraph is supposed to make the
843				// plain text take the same style as the existing paragraph.)
844				if ((pos = h.indexOf("</p><p>")) != -1) {
845					rpos = h.lastIndexOf("</p><p>");
846					node = sel.getNode(); 
847					breakElms = [];		// Get list of elements to break 
848
849					do {
850						if (node.nodeType == 1) {
851							// Don't break tables and break at body
852							if (node.nodeName == "TD" || node.nodeName == "BODY") {
853								break;
854							}
855
856							breakElms[breakElms.length] = node;
857						}
858					} while (node = node.parentNode);
859
860					// Are we in the middle of a block node?
861					if (breakElms.length > 0) {
862						before = h.substring(0, pos);
863						after = "";
864
865						for (i=0, len=breakElms.length; i<len; i++) {
866							before += "</" + breakElms[i].nodeName.toLowerCase() + ">";
867							after += "<" + breakElms[breakElms.length-i-1].nodeName.toLowerCase() + ">";
868						}
869
870						if (pos == rpos) {
871							h = before + after + h.substring(pos+7);
872						}
873						else {
874							h = before + h.substring(pos+4, rpos+4) + after + h.substring(rpos+7);
875						}
876					}
877				}
878
879				// Insert content at the caret, plus add a marker for repositioning the caret
880				ed.execCommand("mceInsertRawHTML", false, h + '<span id="_plain_text_marker">&nbsp;</span>');
881
882				// Reposition the caret to the marker, which was placed immediately after the inserted content.
883				// Needs to be done asynchronously (in window.setTimeout) or else it doesn't work in all browsers.
884				// The second part of the code scrolls the content up if the caret is positioned off-screen.
885				// This is only necessary for WebKit browsers, but it doesn't hurt to use for all.
886				window.setTimeout(function() {
887					var marker = dom.get('_plain_text_marker'),
888						elm, vp, y, elmHeight;
889
890					sel.select(marker, false);
891					d.execCommand("Delete", false, null);
892					marker = null;
893
894					// Get element, position and height
895					elm = sel.getStart();
896					vp = dom.getViewPort(w);
897					y = dom.getPos(elm).y;
898					elmHeight = elm.clientHeight;
899
900					// Is element within viewport if not then scroll it into view
901					if ((y < vp.y) || (y + elmHeight > vp.y + vp.h)) {
902						d.body.scrollTop = y < vp.y ? y : y - vp.h + 25;
903					}
904				}, 0);
905			}
906		},
907
908		/**
909		 * This method will open the old style paste dialogs. Some users might want the old behavior but still use the new cleanup engine.
910		 */
911		_legacySupport : function() {
912			var t = this, ed = t.editor;
913
914			// Register command(s) for backwards compatibility
915			ed.addCommand("mcePasteWord", function() {
916				ed.windowManager.open({
917					file: t.url + "/pasteword.htm",
918					width: parseInt(getParam(ed, "paste_dialog_width")),
919					height: parseInt(getParam(ed, "paste_dialog_height")),
920					inline: 1
921				});
922			});
923
924			if (getParam(ed, "paste_text_use_dialog")) {
925				ed.addCommand("mcePasteText", function() {
926					ed.windowManager.open({
927						file : t.url + "/pastetext.htm",
928						width: parseInt(getParam(ed, "paste_dialog_width")),
929						height: parseInt(getParam(ed, "paste_dialog_height")),
930						inline : 1
931					});
932				});
933			}
934
935			// Register button for backwards compatibility
936			ed.addButton("pasteword", {title : "paste.paste_word_desc", cmd : "mcePasteWord"});
937		}
938	});
939
940	// Register plugin
941	tinymce.PluginManager.add("paste", tinymce.plugins.PastePlugin);
942})();