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/pigeoncms/Plugins/tiny_mce/plugins/paste/editor_plugin_src.js

http://pigeoncms.googlecode.com/
JavaScript | 952 lines | 744 code | 98 blank | 110 comment | 115 complexity | 91842d61e44fd56513534678abf1e618 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		entities = null,
 14		defs = {
 15			paste_auto_cleanup_on_paste : 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_notifyalways : false,
 29			paste_text_linebreaktype : "p",
 30			paste_text_replacements : [
 31				[/\u2026/g, "..."],
 32				[/[\x93\x94\u201c\u201d]/g, '"'],
 33				[/[\x60\x91\x92\u2018\u2019]/g, "'"]
 34			]
 35		};
 36
 37	function getParam(ed, name) {
 38		return ed.getParam(name, defs[name]);
 39	}
 40
 41	tinymce.create('tinymce.plugins.PastePlugin', {
 42		init : function(ed, url) {
 43			var t = this;
 44
 45			t.editor = ed;
 46			t.url = url;
 47
 48			// Setup plugin events
 49			t.onPreProcess = new tinymce.util.Dispatcher(t);
 50			t.onPostProcess = new tinymce.util.Dispatcher(t);
 51
 52			// Register default handlers
 53			t.onPreProcess.add(t._preProcess);
 54			t.onPostProcess.add(t._postProcess);
 55
 56			// Register optional preprocess handler
 57			t.onPreProcess.add(function(pl, o) {
 58				ed.execCallback('paste_preprocess', pl, o);
 59			});
 60
 61			// Register optional postprocess
 62			t.onPostProcess.add(function(pl, o) {
 63				ed.execCallback('paste_postprocess', pl, o);
 64			});
 65
 66			// Initialize plain text flag
 67			ed.pasteAsPlainText = false;
 68
 69			// This function executes the process handlers and inserts the contents
 70			// force_rich overrides plain text mode set by user, important for pasting with execCommand
 71			function process(o, force_rich) {
 72				var dom = ed.dom;
 73
 74				// Execute pre process handlers
 75				t.onPreProcess.dispatch(t, o);
 76
 77				// Create DOM structure
 78				o.node = dom.create('div', 0, o.content);
 79
 80				// Execute post process handlers
 81				t.onPostProcess.dispatch(t, o);
 82
 83				// Serialize content
 84				o.content = ed.serializer.serialize(o.node, {getInner : 1});
 85
 86				// Plain text option active?
 87				if ((!force_rich) && (ed.pasteAsPlainText)) {
 88					t._insertPlainText(ed, dom, o.content);
 89
 90					if (!getParam(ed, "paste_text_sticky")) {
 91						ed.pasteAsPlainText = false;
 92						ed.controlManager.setActive("pastetext", false);
 93					}
 94				} else if (/<(p|h[1-6]|ul|ol)/.test(o.content)) {
 95					// Handle insertion of contents containing block elements separately
 96					t._insertBlockContent(ed, dom, o.content);
 97				} else {
 98					t._insert(o.content);
 99				}
100			}
101
102			// Add command for external usage
103			ed.addCommand('mceInsertClipboardContent', function(u, o) {
104				process(o, true);
105			});
106
107			if (!getParam(ed, "paste_text_use_dialog")) {
108				ed.addCommand('mcePasteText', function(u, v) {
109					var cookie = tinymce.util.Cookie;
110
111					ed.pasteAsPlainText = !ed.pasteAsPlainText;
112					ed.controlManager.setActive('pastetext', ed.pasteAsPlainText);
113
114					if ((ed.pasteAsPlainText) && (!cookie.get("tinymcePasteText"))) {
115						if (getParam(ed, "paste_text_sticky")) {
116							ed.windowManager.alert(ed.translate('paste.plaintext_mode_sticky'));
117						} else {
118							ed.windowManager.alert(ed.translate('paste.plaintext_mode_sticky'));
119						}
120
121						if (!getParam(ed, "paste_text_notifyalways")) {
122							cookie.set("tinymcePasteText", "1", new Date(new Date().getFullYear() + 1, 12, 31))
123						}
124					}
125				});
126			}
127
128			ed.addButton('pastetext', {title: 'paste.paste_text_desc', cmd: 'mcePasteText'});
129			ed.addButton('selectall', {title: 'paste.selectall_desc', cmd: 'selectall'});
130
131			// This function grabs the contents from the clipboard by adding a
132			// hidden div and placing the caret inside it and after the browser paste
133			// is done it grabs that contents and processes that
134			function grabContent(e) {
135				var n, or, rng, sel = ed.selection, dom = ed.dom, body = ed.getBody(), posY;
136
137				// Check if browser supports direct plaintext access
138				if (ed.pasteAsPlainText && (e.clipboardData || dom.doc.dataTransfer)) {
139					e.preventDefault();
140					process({content : (e.clipboardData || dom.doc.dataTransfer).getData('Text').replace(/\r?\n/g, '<br />')});
141					return;
142				}
143
144				if (dom.get('_mcePaste'))
145					return;
146
147				// Create container to paste into
148				n = dom.add(body, 'div', {id : '_mcePaste', 'class' : 'mcePaste'}, '\uFEFF<br _mce_bogus="1">');
149
150				// If contentEditable mode we need to find out the position of the closest element
151				if (body != ed.getDoc().body)
152					posY = dom.getPos(ed.selection.getStart(), body).y;
153				else
154					posY = body.scrollTop;
155
156				// Styles needs to be applied after the element is added to the document since WebKit will otherwise remove all styles
157				dom.setStyles(n, {
158					position : 'absolute',
159					left : -10000,
160					top : posY,
161					width : 1,
162					height : 1,
163					overflow : 'hidden'
164				});
165
166				if (tinymce.isIE) {
167					// Select the container
168					rng = dom.doc.body.createTextRange();
169					rng.moveToElementText(n);
170					rng.execCommand('Paste');
171
172					// Remove container
173					dom.remove(n);
174
175					// Check if the contents was changed, if it wasn't then clipboard extraction failed probably due
176					// to IE security settings so we pass the junk though better than nothing right
177					if (n.innerHTML === '\uFEFF') {
178						ed.execCommand('mcePasteWord');
179						e.preventDefault();
180						return;
181					}
182
183					// Process contents
184					process({content : n.innerHTML});
185
186					// Block the real paste event
187					return tinymce.dom.Event.cancel(e);
188				} else {
189					function block(e) {
190						e.preventDefault();
191					};
192
193					// Block mousedown and click to prevent selection change
194					dom.bind(ed.getDoc(), 'mousedown', block);
195					dom.bind(ed.getDoc(), 'keydown', block);
196
197					or = ed.selection.getRng();
198
199					// Move caret into hidden div
200					n = n.firstChild;
201					rng = ed.getDoc().createRange();
202					rng.setStart(n, 0);
203					rng.setEnd(n, 1);
204					sel.setRng(rng);
205
206					// Wait a while and grab the pasted contents
207					window.setTimeout(function() {
208						var h = '', nl = dom.select('div.mcePaste');
209
210						// WebKit will split the div into multiple ones so this will loop through then all and join them to get the whole HTML string
211						each(nl, function(n) {
212							var child = n.firstChild;
213
214							// WebKit inserts a DIV container with lots of odd styles
215							if (child && child.nodeName == 'DIV' && child.style.marginTop && child.style.backgroundColor) {
216								dom.remove(child, 1);
217							}
218
219							// WebKit duplicates the divs so we need to remove them
220							each(dom.select('div.mcePaste', n), function(n) {
221								dom.remove(n, 1);
222							});
223
224							// Remove apply style spans
225							each(dom.select('span.Apple-style-span', n), function(n) {
226								dom.remove(n, 1);
227							});
228
229							// Remove bogus br elements
230							each(dom.select('br[_mce_bogus]', n), function(n) {
231								dom.remove(n);
232							});
233
234							h += n.innerHTML;
235						});
236
237						// Remove the nodes
238						each(nl, function(n) {
239							dom.remove(n);
240						});
241
242						// Restore the old selection
243						if (or)
244							sel.setRng(or);
245
246						process({content : h});
247
248						// Unblock events ones we got the contents
249						dom.unbind(ed.getDoc(), 'mousedown', block);
250						dom.unbind(ed.getDoc(), 'keydown', block);
251					}, 0);
252				}
253			}
254
255			// Check if we should use the new auto process method			
256			if (getParam(ed, "paste_auto_cleanup_on_paste")) {
257				// Is it's Opera or older FF use key handler
258				if (tinymce.isOpera || /Firefox\/2/.test(navigator.userAgent)) {
259					ed.onKeyDown.add(function(ed, e) {
260						if (((tinymce.isMac ? e.metaKey : e.ctrlKey) && e.keyCode == 86) || (e.shiftKey && e.keyCode == 45))
261							grabContent(e);
262					});
263				} else {
264					// Grab contents on paste event on Gecko and WebKit
265					ed.onPaste.addToTop(function(ed, e) {
266						return grabContent(e);
267					});
268				}
269			}
270
271			// Block all drag/drop events
272			if (getParam(ed, "paste_block_drop")) {
273				ed.onInit.add(function() {
274					ed.dom.bind(ed.getBody(), ['dragend', 'dragover', 'draggesture', 'dragdrop', 'drop', 'drag'], function(e) {
275						e.preventDefault();
276						e.stopPropagation();
277
278						return false;
279					});
280				});
281			}
282
283			// Add legacy support
284			t._legacySupport();
285		},
286
287		getInfo : function() {
288			return {
289				longname : 'Paste text/word',
290				author : 'Moxiecode Systems AB',
291				authorurl : 'http://tinymce.moxiecode.com',
292				infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/paste',
293				version : tinymce.majorVersion + "." + tinymce.minorVersion
294			};
295		},
296
297		_preProcess : function(pl, o) {
298			//console.log('Before preprocess:' + o.content);
299
300			var ed = this.editor,
301				h = o.content,
302				grep = tinymce.grep,
303				explode = tinymce.explode,
304				trim = tinymce.trim,
305				len, stripClass;
306
307			function process(items) {
308				each(items, function(v) {
309					// Remove or replace
310					if (v.constructor == RegExp)
311						h = h.replace(v, '');
312					else
313						h = h.replace(v[0], v[1]);
314				});
315			}
316
317			// Detect Word content and process it more aggressive
318			if (/class="?Mso|style="[^"]*\bmso-|w:WordDocument/i.test(h) || o.wordContent) {
319				o.wordContent = true;			// Mark the pasted contents as word specific content
320				//console.log('Word contents detected.');
321
322				// Process away some basic content
323				process([
324					/^\s*(&nbsp;)+/gi,				// &nbsp; entities at the start of contents
325					/(&nbsp;|<br[^>]*>)+\s*$/gi		// &nbsp; entities at the end of contents
326				]);
327
328				if (getParam(ed, "paste_convert_headers_to_strong")) {
329					h = h.replace(/<p [^>]*class="?MsoHeading"?[^>]*>(.*?)<\/p>/gi, "<p><strong>$1</strong></p>");
330				}
331
332				if (getParam(ed, "paste_convert_middot_lists")) {
333					process([
334						[/<!--\[if !supportLists\]-->/gi, '$&__MCE_ITEM__'],					// Convert supportLists to a list item marker
335						[/(<span[^>]+(?:mso-list:|:\s*symbol)[^>]+>)/gi, '$1__MCE_ITEM__']		// Convert mso-list and symbol spans to item markers
336					]);
337				}
338
339				process([
340					// Word comments like conditional comments etc
341					/<!--[\s\S]+?-->/gi,
342
343					// Remove comments, scripts (e.g., msoShowComment), XML tag, VML content, MS Office namespaced tags, and a few other tags
344					/<(!|script[^>]*>.*?<\/script(?=[>\s])|\/?(\?xml(:\w+)?|img|meta|link|style|\w:\w+)(?=[\s\/>]))[^>]*>/gi,
345
346					// Convert <s> into <strike> for line-though
347					[/<(\/?)s>/gi, "<$1strike>"],
348
349					// Replace nsbp entites to char since it's easier to handle
350					[/&nbsp;/gi, "\u00a0"]
351				]);
352
353				// Remove bad attributes, with or without quotes, ensuring that attribute text is really inside a tag.
354				// 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.
355				do {
356					len = h.length;
357					h = h.replace(/(<[a-z][^>]*\s)(?:id|name|language|type|on\w+|\w+:\w+)=(?:"[^"]*"|\w+)\s?/gi, "$1");
358				} while (len != h.length);
359
360				// Remove all spans if no styles is to be retained
361				if (getParam(ed, "paste_retain_style_properties").replace(/^none$/i, "").length == 0) {
362					h = h.replace(/<\/?span[^>]*>/gi, "");
363				} else {
364					// We're keeping styles, so at least clean them up.
365					// CSS Reference: http://msdn.microsoft.com/en-us/library/aa155477.aspx
366
367					process([
368						// Convert <span style="mso-spacerun:yes">___</span> to string of alternating breaking/non-breaking spaces of same length
369						[/<span\s+style\s*=\s*"\s*mso-spacerun\s*:\s*yes\s*;?\s*"\s*>([\s\u00a0]*)<\/span>/gi,
370							function(str, spaces) {
371								return (spaces.length > 0)? spaces.replace(/./, " ").slice(Math.floor(spaces.length/2)).split("").join("\u00a0") : "";
372							}
373						],
374
375						// Examine all styles: delete junk, transform some, and keep the rest
376						[/(<[a-z][^>]*)\sstyle="([^"]*)"/gi,
377							function(str, tag, style) {
378								var n = [],
379									i = 0,
380									s = explode(trim(style).replace(/&quot;/gi, "'"), ";");
381
382								// Examine each style definition within the tag's style attribute
383								each(s, function(v) {
384									var name, value,
385										parts = explode(v, ":");
386
387									function ensureUnits(v) {
388										return v + ((v !== "0") && (/\d$/.test(v)))? "px" : "";
389									}
390
391									if (parts.length == 2) {
392										name = parts[0].toLowerCase();
393										value = parts[1].toLowerCase();
394
395										// Translate certain MS Office styles into their CSS equivalents
396										switch (name) {
397											case "mso-padding-alt":
398											case "mso-padding-top-alt":
399											case "mso-padding-right-alt":
400											case "mso-padding-bottom-alt":
401											case "mso-padding-left-alt":
402											case "mso-margin-alt":
403											case "mso-margin-top-alt":
404											case "mso-margin-right-alt":
405											case "mso-margin-bottom-alt":
406											case "mso-margin-left-alt":
407											case "mso-table-layout-alt":
408											case "mso-height":
409											case "mso-width":
410											case "mso-vertical-align-alt":
411												n[i++] = name.replace(/^mso-|-alt$/g, "") + ":" + ensureUnits(value);
412												return;
413
414											case "horiz-align":
415												n[i++] = "text-align:" + value;
416												return;
417
418											case "vert-align":
419												n[i++] = "vertical-align:" + value;
420												return;
421
422											case "font-color":
423											case "mso-foreground":
424												n[i++] = "color:" + value;
425												return;
426
427											case "mso-background":
428											case "mso-highlight":
429												n[i++] = "background:" + value;
430												return;
431
432											case "mso-default-height":
433												n[i++] = "min-height:" + ensureUnits(value);
434												return;
435
436											case "mso-default-width":
437												n[i++] = "min-width:" + ensureUnits(value);
438												return;
439
440											case "mso-padding-between-alt":
441												n[i++] = "border-collapse:separate;border-spacing:" + ensureUnits(value);
442												return;
443
444											case "text-line-through":
445												if ((value == "single") || (value == "double")) {
446													n[i++] = "text-decoration:line-through";
447												}
448												return;
449
450											case "mso-zero-height":
451												if (value == "yes") {
452													n[i++] = "display:none";
453												}
454												return;
455										}
456
457										// Eliminate all MS Office style definitions that have no CSS equivalent by examining the first characters in the name
458										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)) {
459											return;
460										}
461
462										// If it reached this point, it must be a valid CSS style
463										n[i++] = name + ":" + parts[1];		// Lower-case name, but keep value case
464									}
465								});
466
467								// If style attribute contained any valid styles the re-write it; otherwise delete style attribute.
468								if (i > 0) {
469									return tag + ' style="' + n.join(';') + '"';
470								} else {
471									return tag;
472								}
473							}
474						]
475					]);
476				}
477			}
478
479			// Replace headers with <strong>
480			if (getParam(ed, "paste_convert_headers_to_strong")) {
481				process([
482					[/<h[1-6][^>]*>/gi, "<p><strong>"],
483					[/<\/h[1-6][^>]*>/gi, "</strong></p>"]
484				]);
485			}
486
487			// Class attribute options are: leave all as-is ("none"), remove all ("all"), or remove only those starting with mso ("mso").
488			// Note:-  paste_strip_class_attributes: "none", verify_css_classes: true is also a good variation.
489			stripClass = getParam(ed, "paste_strip_class_attributes");
490
491			if (stripClass !== "none") {
492				function removeClasses(match, g1) {
493						if (stripClass === "all")
494							return '';
495
496						var cls = grep(explode(g1.replace(/^(["'])(.*)\1$/, "$2"), " "),
497							function(v) {
498								return (/^(?!mso)/i.test(v));
499							}
500						);
501
502						return cls.length ? ' class="' + cls.join(" ") + '"' : '';
503				};
504
505				h = h.replace(/ class="([^"]+)"/gi, removeClasses);
506				h = h.replace(/ class=(\w+)/gi, removeClasses);
507			}
508
509			// Remove spans option
510			if (getParam(ed, "paste_remove_spans")) {
511				h = h.replace(/<\/?span[^>]*>/gi, "");
512			}
513
514			//console.log('After preprocess:' + h);
515
516			o.content = h;
517		},
518
519		/**
520		 * Various post process items.
521		 */
522		_postProcess : function(pl, o) {
523			var t = this, ed = t.editor, dom = ed.dom, styleProps;
524
525			if (o.wordContent) {
526				// Remove named anchors or TOC links
527				each(dom.select('a', o.node), function(a) {
528					if (!a.href || a.href.indexOf('#_Toc') != -1)
529						dom.remove(a, 1);
530				});
531
532				if (getParam(ed, "paste_convert_middot_lists")) {
533					t._convertLists(pl, o);
534				}
535
536				// Process styles
537				styleProps = getParam(ed, "paste_retain_style_properties"); // retained properties
538
539				// Process only if a string was specified and not equal to "all" or "*"
540				if ((tinymce.is(styleProps, "string")) && (styleProps !== "all") && (styleProps !== "*")) {
541					styleProps = tinymce.explode(styleProps.replace(/^none$/i, ""));
542
543					// Retains some style properties
544					each(dom.select('*', o.node), function(el) {
545						var newStyle = {}, npc = 0, i, sp, sv;
546
547						// Store a subset of the existing styles
548						if (styleProps) {
549							for (i = 0; i < styleProps.length; i++) {
550								sp = styleProps[i];
551								sv = dom.getStyle(el, sp);
552
553								if (sv) {
554									newStyle[sp] = sv;
555									npc++;
556								}
557							}
558						}
559
560						// Remove all of the existing styles
561						dom.setAttrib(el, 'style', '');
562
563						if (styleProps && npc > 0)
564							dom.setStyles(el, newStyle); // Add back the stored subset of styles
565						else // Remove empty span tags that do not have class attributes
566							if (el.nodeName == 'SPAN' && !el.className)
567								dom.remove(el, true);
568					});
569				}
570			}
571
572			// Remove all style information or only specifically on WebKit to avoid the style bug on that browser
573			if (getParam(ed, "paste_remove_styles") || (getParam(ed, "paste_remove_styles_if_webkit") && tinymce.isWebKit)) {
574				each(dom.select('*[style]', o.node), function(el) {
575					el.removeAttribute('style');
576					el.removeAttribute('_mce_style');
577				});
578			} else {
579				if (tinymce.isWebKit) {
580					// 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 ..." />
581					// Removing the mce_style that contains the real value will force the Serializer engine to compress the styles
582					each(dom.select('*', o.node), function(el) {
583						el.removeAttribute('_mce_style');
584					});
585				}
586			}
587		},
588
589		/**
590		 * Converts the most common bullet and number formats in Office into a real semantic UL/LI list.
591		 */
592		_convertLists : function(pl, o) {
593			var dom = pl.editor.dom, listElm, li, lastMargin = -1, margin, levels = [], lastType, html;
594
595			// Convert middot lists into real semantic lists
596			each(dom.select('p', o.node), function(p) {
597				var sib, val = '', type, html, idx, parents;
598
599				// Get text node value at beginning of paragraph
600				for (sib = p.firstChild; sib && sib.nodeType == 3; sib = sib.nextSibling)
601					val += sib.nodeValue;
602
603				val = p.innerHTML.replace(/<\/?\w+[^>]*>/gi, '').replace(/&nbsp;/g, '\u00a0');
604
605				// Detect unordered lists look for bullets
606				if (/^(__MCE_ITEM__)+[\u2022\u00b7\u00a7\u00d8o]\s*\u00a0*/.test(val))
607					type = 'ul';
608
609				// Detect ordered lists 1., a. or ixv.
610				if (/^__MCE_ITEM__\s*\w+\.\s*\u00a0{2,}/.test(val))
611					type = 'ol';
612
613				// Check if node value matches the list pattern: o&nbsp;&nbsp;
614				if (type) {
615					margin = parseFloat(p.style.marginLeft || 0);
616
617					if (margin > lastMargin)
618						levels.push(margin);
619
620					if (!listElm || type != lastType) {
621						listElm = dom.create(type);
622						dom.insertAfter(listElm, p);
623					} else {
624						// Nested list element
625						if (margin > lastMargin) {
626							listElm = li.appendChild(dom.create(type));
627						} else if (margin < lastMargin) {
628							// Find parent level based on margin value
629							idx = tinymce.inArray(levels, margin);
630							parents = dom.getParents(listElm.parentNode, type);
631							listElm = parents[parents.length - 1 - idx] || listElm;
632						}
633					}
634
635					// Remove middot or number spans if they exists
636					each(dom.select('span', p), function(span) {
637						var html = span.innerHTML.replace(/<\/?\w+[^>]*>/gi, '');
638
639						// Remove span with the middot or the number
640						if (type == 'ul' && /^[\u2022\u00b7\u00a7\u00d8o]/.test(html))
641							dom.remove(span);
642						else if (/^[\s\S]*\w+\.(&nbsp;|\u00a0)*\s*/.test(html))
643							dom.remove(span);
644					});
645
646					html = p.innerHTML;
647
648					// Remove middot/list items
649					if (type == 'ul')
650						html = p.innerHTML.replace(/__MCE_ITEM__/g, '').replace(/^[\u2022\u00b7\u00a7\u00d8o]\s*(&nbsp;|\u00a0)+\s*/, '');
651					else
652						html = p.innerHTML.replace(/__MCE_ITEM__/g, '').replace(/^\s*\w+\.(&nbsp;|\u00a0)+\s*/, '');
653
654					// Create li and add paragraph data into the new li
655					li = listElm.appendChild(dom.create('li', 0, html));
656					dom.remove(p);
657
658					lastMargin = margin;
659					lastType = type;
660				} else
661					listElm = lastMargin = 0; // End list element
662			});
663
664			// Remove any left over makers
665			html = o.node.innerHTML;
666			if (html.indexOf('__MCE_ITEM__') != -1)
667				o.node.innerHTML = html.replace(/__MCE_ITEM__/g, '');
668		},
669
670		/**
671		 * This method will split the current block parent and insert the contents inside the split position.
672		 * This logic can be improved so text nodes at the start/end remain in the start/end block elements
673		 */
674		_insertBlockContent : function(ed, dom, content) {
675			var parentBlock, marker, sel = ed.selection, last, elm, vp, y, elmHeight, markerId = 'mce_marker';
676
677			function select(n) {
678				var r;
679
680				if (tinymce.isIE) {
681					r = ed.getDoc().body.createTextRange();
682					r.moveToElementText(n);
683					r.collapse(false);
684					r.select();
685				} else {
686					sel.select(n, 1);
687					sel.collapse(false);
688				}
689			}
690
691			// Insert a marker for the caret position
692			this._insert('<span id="' + markerId + '"></span>', 1);
693			marker = dom.get(markerId);
694			parentBlock = dom.getParent(marker, 'p,h1,h2,h3,h4,h5,h6,ul,ol,th,td');
695
696			// If it's a parent block but not a table cell
697			if (parentBlock && !/TD|TH/.test(parentBlock.nodeName)) {
698				// Split parent block
699				marker = dom.split(parentBlock, marker);
700
701				// Insert nodes before the marker
702				each(dom.create('div', 0, content).childNodes, function(n) {
703					last = marker.parentNode.insertBefore(n.cloneNode(true), marker);
704				});
705
706				// Move caret after marker
707				select(last);
708			} else {
709				dom.setOuterHTML(marker, content);
710				sel.select(ed.getBody(), 1);
711				sel.collapse(0);
712			}
713
714			// Remove marker if it's left
715			while (elm = dom.get(markerId))
716				dom.remove(elm);
717
718			// Get element, position and height
719			elm = sel.getStart();
720			vp = dom.getViewPort(ed.getWin());
721			y = ed.dom.getPos(elm).y;
722			elmHeight = elm.clientHeight;
723
724			// Is element within viewport if not then scroll it into view
725			if (y < vp.y || y + elmHeight > vp.y + vp.h)
726				ed.getDoc().body.scrollTop = y < vp.y ? y : y - vp.h + 25;
727		},
728
729		/**
730		 * Inserts the specified contents at the caret position.
731		 */
732		_insert : function(h, skip_undo) {
733			var ed = this.editor, r = ed.selection.getRng();
734
735			// First delete the contents seems to work better on WebKit when the selection spans multiple list items or multiple table cells.
736			if (!ed.selection.isCollapsed() && r.startContainer != r.endContainer)
737				ed.getDoc().execCommand('Delete', false, null);
738
739			// It's better to use the insertHTML method on Gecko since it will combine paragraphs correctly before inserting the contents
740			ed.execCommand(tinymce.isGecko ? 'insertHTML' : 'mceInsertContent', false, h, {skip_undo : skip_undo});
741		},
742
743		/**
744		 * Instead of the old plain text method which tried to re-create a paste operation, the
745		 * new approach adds a plain text mode toggle switch that changes the behavior of paste.
746		 * This function is passed the same input that the regular paste plugin produces.
747		 * It performs additional scrubbing and produces (and inserts) the plain text.
748		 * This approach leverages all of the great existing functionality in the paste
749		 * plugin, and requires minimal changes to add the new functionality.
750		 * Speednet - June 2009
751		 */
752		_insertPlainText : function(ed, dom, h) {
753			var i, len, pos, rpos, node, breakElms, before, after,
754				w = ed.getWin(),
755				d = ed.getDoc(),
756				sel = ed.selection,
757				is = tinymce.is,
758				inArray = tinymce.inArray,
759				linebr = getParam(ed, "paste_text_linebreaktype"),
760				rl = getParam(ed, "paste_text_replacements");
761
762			function process(items) {
763				each(items, function(v) {
764					if (v.constructor == RegExp)
765						h = h.replace(v, "");
766					else
767						h = h.replace(v[0], v[1]);
768				});
769			};
770
771			if ((typeof(h) === "string") && (h.length > 0)) {
772				if (!entities)
773					entities = ("34,quot,38,amp,39,apos,60,lt,62,gt," + ed.serializer.settings.entities).split(",");
774
775				// If HTML content with line-breaking tags, then remove all cr/lf chars because only tags will break a line
776				if (/<(?:p|br|h[1-6]|ul|ol|dl|table|t[rdh]|div|blockquote|fieldset|pre|address|center)[^>]*>/i.test(h)) {
777					process([
778						/[\n\r]+/g
779					]);
780				} else {
781					// Otherwise just get rid of carriage returns (only need linefeeds)
782					process([
783						/\r+/g
784					]);
785				}
786
787				process([
788					[/<\/(?: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
789					[/<br[^>]*>|<\/tr>/gi, "\n"],				// Single linebreak for <br /> tags and table rows
790					[/<\/t[dh]>\s*<t[dh][^>]*>/gi, "\t"],		// Table cells get tabs betweem them
791					/<[a-z!\/?][^>]*>/gi,						// Delete all remaining tags
792					[/&nbsp;/gi, " "],							// Convert non-break spaces to regular spaces (remember, *plain text*)
793					[
794						// HTML entity
795						/&(#\d+|[a-z0-9]{1,10});/gi,
796
797						// Replace with actual character
798						function(e, s) {
799							if (s.charAt(0) === "#") {
800								return String.fromCharCode(s.slice(1));
801							}
802							else {
803								return ((e = inArray(entities, s)) > 0)? String.fromCharCode(entities[e-1]) : " ";
804							}
805						}
806					],
807					[/(?:(?!\n)\s)*(\n+)(?:(?!\n)\s)*/gi, "$1"],	// Cool little RegExp deletes whitespace around linebreak chars.
808					[/\n{3,}/g, "\n\n"],							// Max. 2 consecutive linebreaks
809					/^\s+|\s+$/g									// Trim the front & back
810				]);
811
812				h = dom.encode(h);
813
814				// Delete any highlighted text before pasting
815				if (!sel.isCollapsed()) {
816					d.execCommand("Delete", false, null);
817				}
818
819				// Perform default or custom replacements
820				if (is(rl, "array") || (is(rl, "array"))) {
821					process(rl);
822				}
823				else if (is(rl, "string")) {
824					process(new RegExp(rl, "gi"));
825				}
826
827				// Treat paragraphs as specified in the config
828				if (linebr == "none") {
829					process([
830						[/\n+/g, " "]
831					]);
832				}
833				else if (linebr == "br") {
834					process([
835						[/\n/g, "<br />"]
836					]);
837				}
838				else {
839					process([
840						/^\s+|\s+$/g,
841						[/\n\n/g, "</p><p>"],
842						[/\n/g, "<br />"]
843					]);
844				}
845
846				// This next piece of code handles the situation where we're pasting more than one paragraph of plain
847				// text, and we are pasting the content into the middle of a block node in the editor.  The block
848				// node gets split at the selection point into "Para A" and "Para B" (for the purposes of explaining).
849				// The first paragraph of the pasted text is appended to "Para A", and the last paragraph of the
850				// pasted text is prepended to "Para B".  Any other paragraphs of pasted text are placed between
851				// "Para A" and "Para B".  This code solves a host of problems with the original plain text plugin and
852				// now handles styles correctly.  (Pasting plain text into a styled paragraph is supposed to make the
853				// plain text take the same style as the existing paragraph.)
854				if ((pos = h.indexOf("</p><p>")) != -1) {
855					rpos = h.lastIndexOf("</p><p>");
856					node = sel.getNode(); 
857					breakElms = [];		// Get list of elements to break 
858
859					do {
860						if (node.nodeType == 1) {
861							// Don't break tables and break at body
862							if (node.nodeName == "TD" || node.nodeName == "BODY") {
863								break;
864							}
865
866							breakElms[breakElms.length] = node;
867						}
868					} while (node = node.parentNode);
869
870					// Are we in the middle of a block node?
871					if (breakElms.length > 0) {
872						before = h.substring(0, pos);
873						after = "";
874
875						for (i=0, len=breakElms.length; i<len; i++) {
876							before += "</" + breakElms[i].nodeName.toLowerCase() + ">";
877							after += "<" + breakElms[breakElms.length-i-1].nodeName.toLowerCase() + ">";
878						}
879
880						if (pos == rpos) {
881							h = before + after + h.substring(pos+7);
882						}
883						else {
884							h = before + h.substring(pos+4, rpos+4) + after + h.substring(rpos+7);
885						}
886					}
887				}
888
889				// Insert content at the caret, plus add a marker for repositioning the caret
890				ed.execCommand("mceInsertRawHTML", false, h + '<span id="_plain_text_marker">&nbsp;</span>');
891
892				// Reposition the caret to the marker, which was placed immediately after the inserted content.
893				// Needs to be done asynchronously (in window.setTimeout) or else it doesn't work in all browsers.
894				// The second part of the code scrolls the content up if the caret is positioned off-screen.
895				// This is only necessary for WebKit browsers, but it doesn't hurt to use for all.
896				window.setTimeout(function() {
897					var marker = dom.get('_plain_text_marker'),
898						elm, vp, y, elmHeight;
899
900					sel.select(marker, false);
901					d.execCommand("Delete", false, null);
902					marker = null;
903
904					// Get element, position and height
905					elm = sel.getStart();
906					vp = dom.getViewPort(w);
907					y = dom.getPos(elm).y;
908					elmHeight = elm.clientHeight;
909
910					// Is element within viewport if not then scroll it into view
911					if ((y < vp.y) || (y + elmHeight > vp.y + vp.h)) {
912						d.body.scrollTop = y < vp.y ? y : y - vp.h + 25;
913					}
914				}, 0);
915			}
916		},
917
918		/**
919		 * This method will open the old style paste dialogs. Some users might want the old behavior but still use the new cleanup engine.
920		 */
921		_legacySupport : function() {
922			var t = this, ed = t.editor;
923
924			// Register command(s) for backwards compatibility
925			ed.addCommand("mcePasteWord", function() {
926				ed.windowManager.open({
927					file: t.url + "/pasteword.htm",
928					width: parseInt(getParam(ed, "paste_dialog_width")),
929					height: parseInt(getParam(ed, "paste_dialog_height")),
930					inline: 1
931				});
932			});
933
934			if (getParam(ed, "paste_text_use_dialog")) {
935				ed.addCommand("mcePasteText", function() {
936					ed.windowManager.open({
937						file : t.url + "/pastetext.htm",
938						width: parseInt(getParam(ed, "paste_dialog_width")),
939						height: parseInt(getParam(ed, "paste_dialog_height")),
940						inline : 1
941					});
942				});
943			}
944
945			// Register button for backwards compatibility
946			ed.addButton("pasteword", {title : "paste.paste_word_desc", cmd : "mcePasteWord"});
947		}
948	});
949
950	// Register plugin
951	tinymce.PluginManager.add("paste", tinymce.plugins.PastePlugin);
952})();