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source: trunk/template-common/lib/ui/ui.sortable.js @ 4918

Last change on this file since 4918 was 4918, checked in by nikrou, 14 years ago

Feature 1442 : update jquery

update jquery to 1.4.1
update jquery ui to 1.7.2

Property svn:eol-style set to LF

File size: 37.1 KB

Line
1	/*
2	* jQuery UI Sortable 1.7.2
3	*
4	* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
5	* Dual licensed under the MIT (MIT-LICENSE.txt)
6	* and GPL (GPL-LICENSE.txt) licenses.
7	*
8	* http://docs.jquery.com/UI/Sortables
9	*
10	* Depends:
11	* ui.core.js
12	*/
13	(function($) {
14
15	$.widget("ui.sortable", $.extend({}, $.ui.mouse, {
16	_init: function() {
17
18	var o = this.options;
19	this.containerCache = {};
20	this.element.addClass("ui-sortable");
21
22	//Get the items
23	this.refresh();
24
25	//Let's determine if the items are floating
26	this.floating = this.items.length ? (/left\|right/).test(this.items[0].item.css('float')) : false;
27
28	//Let's determine the parent's offset
29	this.offset = this.element.offset();
30
31	//Initialize mouse events for interaction
32	this._mouseInit();
33
34	},
35
36	destroy: function() {
37	this.element
38	.removeClass("ui-sortable ui-sortable-disabled")
39	.removeData("sortable")
40	.unbind(".sortable");
41	this._mouseDestroy();
42
43	for ( var i = this.items.length - 1; i >= 0; i-- )
44	this.items[i].item.removeData("sortable-item");
45	},
46
47	_mouseCapture: function(event, overrideHandle) {
48
49	if (this.reverting) {
50	return false;
51	}
52
53	if(this.options.disabled \|\| this.options.type == 'static') return false;
54
55	//We have to refresh the items data once first
56	this._refreshItems(event);
57
58	//Find out if the clicked node (or one of its parents) is a actual item in this.items
59	var currentItem = null, self = this, nodes = $(event.target).parents().each(function() {
60	if($.data(this, 'sortable-item') == self) {
61	currentItem = $(this);
62	return false;
63	}
64	});
65	if($.data(event.target, 'sortable-item') == self) currentItem = $(event.target);
66
67	if(!currentItem) return false;
68	if(this.options.handle && !overrideHandle) {
69	var validHandle = false;
70
71	$(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == event.target) validHandle = true; });
72	if(!validHandle) return false;
73	}
74
75	this.currentItem = currentItem;
76	this._removeCurrentsFromItems();
77	return true;
78
79	},
80
81	_mouseStart: function(event, overrideHandle, noActivation) {
82
83	var o = this.options, self = this;
84	this.currentContainer = this;
85
86	//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
87	this.refreshPositions();
88
89	//Create and append the visible helper
90	this.helper = this._createHelper(event);
91
92	//Cache the helper size
93	this._cacheHelperProportions();
94
95	/*
96	* - Position generation -
97	* This block generates everything position related - it's the core of draggables.
98	*/
99
100	//Cache the margins of the original element
101	this._cacheMargins();
102
103	//Get the next scrolling parent
104	this.scrollParent = this.helper.scrollParent();
105
106	//The element's absolute position on the page minus margins
107	this.offset = this.currentItem.offset();
108	this.offset = {
109	top: this.offset.top - this.margins.top,
110	left: this.offset.left - this.margins.left
111	};
112
113	// Only after we got the offset, we can change the helper's position to absolute
114	// TODO: Still need to figure out a way to make relative sorting possible
115	this.helper.css("position", "absolute");
116	this.cssPosition = this.helper.css("position");
117
118	$.extend(this.offset, {
119	click: { //Where the click happened, relative to the element
120	left: event.pageX - this.offset.left,
121	top: event.pageY - this.offset.top
122	},
123	parent: this._getParentOffset(),
124	relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
125	});
126
127	//Generate the original position
128	this.originalPosition = this._generatePosition(event);
129	this.originalPageX = event.pageX;
130	this.originalPageY = event.pageY;
131
132	//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
133	if(o.cursorAt)
134	this._adjustOffsetFromHelper(o.cursorAt);
135
136	//Cache the former DOM position
137	this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
138
139	//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
140	if(this.helper[0] != this.currentItem[0]) {
141	this.currentItem.hide();
142	}
143
144	//Create the placeholder
145	this._createPlaceholder();
146
147	//Set a containment if given in the options
148	if(o.containment)
149	this._setContainment();
150
151	if(o.cursor) { // cursor option
152	if ($('body').css("cursor")) this._storedCursor = $('body').css("cursor");
153	$('body').css("cursor", o.cursor);
154	}
155
156	if(o.opacity) { // opacity option
157	if (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity");
158	this.helper.css("opacity", o.opacity);
159	}
160
161	if(o.zIndex) { // zIndex option
162	if (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex");
163	this.helper.css("zIndex", o.zIndex);
164	}
165
166	//Prepare scrolling
167	if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML')
168	this.overflowOffset = this.scrollParent.offset();
169
170	//Call callbacks
171	this._trigger("start", event, this._uiHash());
172
173	//Recache the helper size
174	if(!this._preserveHelperProportions)
175	this._cacheHelperProportions();
176
177
178	//Post 'activate' events to possible containers
179	if(!noActivation) {
180	for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, self._uiHash(this)); }
181	}
182
183	//Prepare possible droppables
184	if($.ui.ddmanager)
185	$.ui.ddmanager.current = this;
186
187	if ($.ui.ddmanager && !o.dropBehaviour)
188	$.ui.ddmanager.prepareOffsets(this, event);
189
190	this.dragging = true;
191
192	this.helper.addClass("ui-sortable-helper");
193	this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
194	return true;
195
196	},
197
198	_mouseDrag: function(event) {
199
200	//Compute the helpers position
201	this.position = this._generatePosition(event);
202	this.positionAbs = this._convertPositionTo("absolute");
203
204	if (!this.lastPositionAbs) {
205	this.lastPositionAbs = this.positionAbs;
206	}
207
208	//Do scrolling
209	if(this.options.scroll) {
210	var o = this.options, scrolled = false;
211	if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') {
212
213	if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
214	this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
215	else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity)
216	this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
217
218	if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
219	this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
220	else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity)
221	this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
222
223	} else {
224
225	if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
226	scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
227	else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
228	scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
229
230	if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
231	scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
232	else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
233	scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
234
235	}
236
237	if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
238	$.ui.ddmanager.prepareOffsets(this, event);
239	}
240
241	//Regenerate the absolute position used for position checks
242	this.positionAbs = this._convertPositionTo("absolute");
243
244	//Set the helper position
245	if(!this.options.axis \|\| this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
246	if(!this.options.axis \|\| this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
247
248	//Rearrange
249	for (var i = this.items.length - 1; i >= 0; i--) {
250
251	//Cache variables and intersection, continue if no intersection
252	var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
253	if (!intersection) continue;
254
255	if(itemElement != this.currentItem[0] //cannot intersect with itself
256	&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
257	&& !$.ui.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
258	&& (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemElement) : true)
259	) {
260
261	this.direction = intersection == 1 ? "down" : "up";
262
263	if (this.options.tolerance == "pointer" \|\| this._intersectsWithSides(item)) {
264	this._rearrange(event, item);
265	} else {
266	break;
267	}
268
269	this._trigger("change", event, this._uiHash());
270	break;
271	}
272	}
273
274	//Post events to containers
275	this._contactContainers(event);
276
277	//Interconnect with droppables
278	if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);
279
280	//Call callbacks
281	this._trigger('sort', event, this._uiHash());
282
283	this.lastPositionAbs = this.positionAbs;
284	return false;
285
286	},
287
288	_mouseStop: function(event, noPropagation) {
289
290	if(!event) return;
291
292	//If we are using droppables, inform the manager about the drop
293	if ($.ui.ddmanager && !this.options.dropBehaviour)
294	$.ui.ddmanager.drop(this, event);
295
296	if(this.options.revert) {
297	var self = this;
298	var cur = self.placeholder.offset();
299
300	self.reverting = true;
301
302	$(this.helper).animate({
303	left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),
304	top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)
305	}, parseInt(this.options.revert, 10) \|\| 500, function() {
306	self._clear(event);
307	});
308	} else {
309	this._clear(event, noPropagation);
310	}
311
312	return false;
313
314	},
315
316	cancel: function() {
317
318	var self = this;
319
320	if(this.dragging) {
321
322	this._mouseUp();
323
324	if(this.options.helper == "original")
325	this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
326	else
327	this.currentItem.show();
328
329	//Post deactivating events to containers
330	for (var i = this.containers.length - 1; i >= 0; i--){
331	this.containers[i]._trigger("deactivate", null, self._uiHash(this));
332	if(this.containers[i].containerCache.over) {
333	this.containers[i]._trigger("out", null, self._uiHash(this));
334	this.containers[i].containerCache.over = 0;
335	}
336	}
337
338	}
339
340	//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
341	if(this.placeholder[0].parentNode) this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
342	if(this.options.helper != "original" && this.helper && this.helper[0].parentNode) this.helper.remove();
343
344	$.extend(this, {
345	helper: null,
346	dragging: false,
347	reverting: false,
348	_noFinalSort: null
349	});
350
351	if(this.domPosition.prev) {
352	$(this.domPosition.prev).after(this.currentItem);
353	} else {
354	$(this.domPosition.parent).prepend(this.currentItem);
355	}
356
357	return true;
358
359	},
360
361	serialize: function(o) {
362
363	var items = this._getItemsAsjQuery(o && o.connected);
364	var str = []; o = o \|\| {};
365
366	$(items).each(function() {
367	var res = ($(o.item \|\| this).attr(o.attribute \|\| 'id') \|\| '').match(o.expression \|\| (/(.+)[-=_](.+)/));
368	if(res) str.push((o.key \|\| res[1]+'[]')+'='+(o.key && o.expression ? res[1] : res[2]));
369	});
370
371	return str.join('&');
372
373	},
374
375	toArray: function(o) {
376
377	var items = this._getItemsAsjQuery(o && o.connected);
378	var ret = []; o = o \|\| {};
379
380	items.each(function() { ret.push($(o.item \|\| this).attr(o.attribute \|\| 'id') \|\| ''); });
381	return ret;
382
383	},
384
385	/* Be careful with the following core functions */
386	_intersectsWith: function(item) {
387
388	var x1 = this.positionAbs.left,
389	x2 = x1 + this.helperProportions.width,
390	y1 = this.positionAbs.top,
391	y2 = y1 + this.helperProportions.height;
392
393	var l = item.left,
394	r = l + item.width,
395	t = item.top,
396	b = t + item.height;
397
398	var dyClick = this.offset.click.top,
399	dxClick = this.offset.click.left;
400
401	var isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;
402
403	if( this.options.tolerance == "pointer"
404	\|\| this.options.forcePointerForContainers
405	\|\| (this.options.tolerance != "pointer" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])
406	) {
407	return isOverElement;
408	} else {
409
410	return (l < x1 + (this.helperProportions.width / 2) // Right Half
411	&& x2 - (this.helperProportions.width / 2) < r // Left Half
412	&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
413	&& y2 - (this.helperProportions.height / 2) < b ); // Top Half
414
415	}
416	},
417
418	_intersectsWithPointer: function(item) {
419
420	var isOverElementHeight = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
421	isOverElementWidth = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
422	isOverElement = isOverElementHeight && isOverElementWidth,
423	verticalDirection = this._getDragVerticalDirection(),
424	horizontalDirection = this._getDragHorizontalDirection();
425
426	if (!isOverElement)
427	return false;
428
429	return this.floating ?
430	( ((horizontalDirection && horizontalDirection == "right") \|\| verticalDirection == "down") ? 2 : 1 )
431	: ( verticalDirection && (verticalDirection == "down" ? 2 : 1) );
432
433	},
434
435	_intersectsWithSides: function(item) {
436
437	var isOverBottomHalf = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
438	isOverRightHalf = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
439	verticalDirection = this._getDragVerticalDirection(),
440	horizontalDirection = this._getDragHorizontalDirection();
441
442	if (this.floating && horizontalDirection) {
443	return ((horizontalDirection == "right" && isOverRightHalf) \|\| (horizontalDirection == "left" && !isOverRightHalf));
444	} else {
445	return verticalDirection && ((verticalDirection == "down" && isOverBottomHalf) \|\| (verticalDirection == "up" && !isOverBottomHalf));
446	}
447
448	},
449
450	_getDragVerticalDirection: function() {
451	var delta = this.positionAbs.top - this.lastPositionAbs.top;
452	return delta != 0 && (delta > 0 ? "down" : "up");
453	},
454
455	_getDragHorizontalDirection: function() {
456	var delta = this.positionAbs.left - this.lastPositionAbs.left;
457	return delta != 0 && (delta > 0 ? "right" : "left");
458	},
459
460	refresh: function(event) {
461	this._refreshItems(event);
462	this.refreshPositions();
463	},
464
465	_connectWith: function() {
466	var options = this.options;
467	return options.connectWith.constructor == String
468	? [options.connectWith]
469	: options.connectWith;
470	},
471
472	_getItemsAsjQuery: function(connected) {
473
474	var self = this;
475	var items = [];
476	var queries = [];
477	var connectWith = this._connectWith();
478
479	if(connectWith && connected) {
480	for (var i = connectWith.length - 1; i >= 0; i--){
481	var cur = $(connectWith[i]);
482	for (var j = cur.length - 1; j >= 0; j--){
483	var inst = $.data(cur[j], 'sortable');
484	if(inst && inst != this && !inst.options.disabled) {
485	queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper"), inst]);
486	}
487	};
488	};
489	}
490
491	queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper"), this]);
492
493	for (var i = queries.length - 1; i >= 0; i--){
494	queries[i][0].each(function() {
495	items.push(this);
496	});
497	};
498
499	return $(items);
500
501	},
502
503	_removeCurrentsFromItems: function() {
504
505	var list = this.currentItem.find(":data(sortable-item)");
506
507	for (var i=0; i < this.items.length; i++) {
508
509	for (var j=0; j < list.length; j++) {
510	if(list[j] == this.items[i].item[0])
511	this.items.splice(i,1);
512	};
513
514	};
515
516	},
517
518	_refreshItems: function(event) {
519
520	this.items = [];
521	this.containers = [this];
522	var items = this.items;
523	var self = this;
524	var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]];
525	var connectWith = this._connectWith();
526
527	if(connectWith) {
528	for (var i = connectWith.length - 1; i >= 0; i--){
529	var cur = $(connectWith[i]);
530	for (var j = cur.length - 1; j >= 0; j--){
531	var inst = $.data(cur[j], 'sortable');
532	if(inst && inst != this && !inst.options.disabled) {
533	queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
534	this.containers.push(inst);
535	}
536	};
537	};
538	}
539
540	for (var i = queries.length - 1; i >= 0; i--) {
541	var targetData = queries[i][1];
542	var _queries = queries[i][0];
543
544	for (var j=0, queriesLength = _queries.length; j < queriesLength; j++) {
545	var item = $(_queries[j]);
546
547	item.data('sortable-item', targetData); // Data for target checking (mouse manager)
548
549	items.push({
550	item: item,
551	instance: targetData,
552	width: 0, height: 0,
553	left: 0, top: 0
554	});
555	};
556	};
557
558	},
559
560	refreshPositions: function(fast) {
561
562	//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
563	if(this.offsetParent && this.helper) {
564	this.offset.parent = this._getParentOffset();
565	}
566
567	for (var i = this.items.length - 1; i >= 0; i--){
568	var item = this.items[i];
569
570	//We ignore calculating positions of all connected containers when we're not over them
571	if(item.instance != this.currentContainer && this.currentContainer && item.item[0] != this.currentItem[0])
572	continue;
573
574	var t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
575
576	if (!fast) {
577	item.width = t.outerWidth();
578	item.height = t.outerHeight();
579	}
580
581	var p = t.offset();
582	item.left = p.left;
583	item.top = p.top;
584	};
585
586	if(this.options.custom && this.options.custom.refreshContainers) {
587	this.options.custom.refreshContainers.call(this);
588	} else {
589	for (var i = this.containers.length - 1; i >= 0; i--){
590	var p = this.containers[i].element.offset();
591	this.containers[i].containerCache.left = p.left;
592	this.containers[i].containerCache.top = p.top;
593	this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
594	this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
595	};
596	}
597
598	},
599
600	_createPlaceholder: function(that) {
601
602	var self = that \|\| this, o = self.options;
603
604	if(!o.placeholder \|\| o.placeholder.constructor == String) {
605	var className = o.placeholder;
606	o.placeholder = {
607	element: function() {
608
609	var el = $(document.createElement(self.currentItem[0].nodeName))
610	.addClass(className \|\| self.currentItem[0].className+" ui-sortable-placeholder")
611	.removeClass("ui-sortable-helper")[0];
612
613	if(!className)
614	el.style.visibility = "hidden";
615
616	return el;
617	},
618	update: function(container, p) {
619
620	// 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
621	// 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
622	if(className && !o.forcePlaceholderSize) return;
623
624	//If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
625	if(!p.height()) { p.height(self.currentItem.innerHeight() - parseInt(self.currentItem.css('paddingTop')\|\|0, 10) - parseInt(self.currentItem.css('paddingBottom')\|\|0, 10)); };
626	if(!p.width()) { p.width(self.currentItem.innerWidth() - parseInt(self.currentItem.css('paddingLeft')\|\|0, 10) - parseInt(self.currentItem.css('paddingRight')\|\|0, 10)); };
627	}
628	};
629	}
630
631	//Create the placeholder
632	self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem));
633
634	//Append it after the actual current item
635	self.currentItem.after(self.placeholder);
636
637	//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
638	o.placeholder.update(self, self.placeholder);
639
640	},
641
642	_contactContainers: function(event) {
643	for (var i = this.containers.length - 1; i >= 0; i--){
644
645	if(this._intersectsWith(this.containers[i].containerCache)) {
646	if(!this.containers[i].containerCache.over) {
647
648	if(this.currentContainer != this.containers[i]) {
649
650	//When entering a new container, we will find the item with the least distance and append our item near it
651	var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[i].floating ? 'left' : 'top'];
652	for (var j = this.items.length - 1; j >= 0; j--) {
653	if(!$.ui.contains(this.containers[i].element[0], this.items[j].item[0])) continue;
654	var cur = this.items[j][this.containers[i].floating ? 'left' : 'top'];
655	if(Math.abs(cur - base) < dist) {
656	dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
657	}
658	}
659
660	if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled
661	continue;
662
663	this.currentContainer = this.containers[i];
664	itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[i].element, true);
665	this._trigger("change", event, this._uiHash());
666	this.containers[i]._trigger("change", event, this._uiHash(this));
667
668	//Update the placeholder
669	this.options.placeholder.update(this.currentContainer, this.placeholder);
670
671	}
672
673	this.containers[i]._trigger("over", event, this._uiHash(this));
674	this.containers[i].containerCache.over = 1;
675	}
676	} else {
677	if(this.containers[i].containerCache.over) {
678	this.containers[i]._trigger("out", event, this._uiHash(this));
679	this.containers[i].containerCache.over = 0;
680	}
681	}
682
683	};
684	},
685
686	_createHelper: function(event) {
687
688	var o = this.options;
689	var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper == 'clone' ? this.currentItem.clone() : this.currentItem);
690
691	if(!helper.parents('body').length) //Add the helper to the DOM if that didn't happen already
692	$(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
693
694	if(helper[0] == this.currentItem[0])
695	this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
696
697	if(helper[0].style.width == '' \|\| o.forceHelperSize) helper.width(this.currentItem.width());
698	if(helper[0].style.height == '' \|\| o.forceHelperSize) helper.height(this.currentItem.height());
699
700	return helper;
701
702	},
703
704	_adjustOffsetFromHelper: function(obj) {
705	if(obj.left != undefined) this.offset.click.left = obj.left + this.margins.left;
706	if(obj.right != undefined) this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
707	if(obj.top != undefined) this.offset.click.top = obj.top + this.margins.top;
708	if(obj.bottom != undefined) this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
709	},
710
711	_getParentOffset: function() {
712
713
714	//Get the offsetParent and cache its position
715	this.offsetParent = this.helper.offsetParent();
716	var po = this.offsetParent.offset();
717
718	// This is a special case where we need to modify a offset calculated on start, since the following happened:
719	// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
720	// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
721	// the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
722	if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) {
723	po.left += this.scrollParent.scrollLeft();
724	po.top += this.scrollParent.scrollTop();
725	}
726
727	if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
728	\|\| (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix
729	po = { top: 0, left: 0 };
730
731	return {
732	top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) \|\| 0),
733	left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) \|\| 0)
734	};
735
736	},
737
738	_getRelativeOffset: function() {
739
740	if(this.cssPosition == "relative") {
741	var p = this.currentItem.position();
742	return {
743	top: p.top - (parseInt(this.helper.css("top"),10) \|\| 0) + this.scrollParent.scrollTop(),
744	left: p.left - (parseInt(this.helper.css("left"),10) \|\| 0) + this.scrollParent.scrollLeft()
745	};
746	} else {
747	return { top: 0, left: 0 };
748	}
749
750	},
751
752	_cacheMargins: function() {
753	this.margins = {
754	left: (parseInt(this.currentItem.css("marginLeft"),10) \|\| 0),
755	top: (parseInt(this.currentItem.css("marginTop"),10) \|\| 0)
756	};
757	},
758
759	_cacheHelperProportions: function() {
760	this.helperProportions = {
761	width: this.helper.outerWidth(),
762	height: this.helper.outerHeight()
763	};
764	},
765
766	_setContainment: function() {
767
768	var o = this.options;
769	if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
770	if(o.containment == 'document' \|\| o.containment == 'window') this.containment = [
771	0 - this.offset.relative.left - this.offset.parent.left,
772	0 - this.offset.relative.top - this.offset.parent.top,
773	$(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
774	($(o.containment == 'document' ? document : window).height() \|\| document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
775	];
776
777	if(!(/^(document\|window\|parent)$/).test(o.containment)) {
778	var ce = $(o.containment)[0];
779	var co = $(o.containment).offset();
780	var over = ($(ce).css("overflow") != 'hidden');
781
782	this.containment = [
783	co.left + (parseInt($(ce).css("borderLeftWidth"),10) \|\| 0) + (parseInt($(ce).css("paddingLeft"),10) \|\| 0) - this.margins.left,
784	co.top + (parseInt($(ce).css("borderTopWidth"),10) \|\| 0) + (parseInt($(ce).css("paddingTop"),10) \|\| 0) - this.margins.top,
785	co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) \|\| 0) - (parseInt($(ce).css("paddingRight"),10) \|\| 0) - this.helperProportions.width - this.margins.left,
786	co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) \|\| 0) - (parseInt($(ce).css("paddingBottom"),10) \|\| 0) - this.helperProportions.height - this.margins.top
787	];
788	}
789
790	},
791
792	_convertPositionTo: function(d, pos) {
793
794	if(!pos) pos = this.position;
795	var mod = d == "absolute" ? 1 : -1;
796	var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html\|body)/i).test(scroll[0].tagName);
797
798	return {
799	top: (
800	pos.top // The absolute mouse position
801	+ this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent
802	+ this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border)
803	- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
804	),
805	left: (
806	pos.left // The absolute mouse position
807	+ this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent
808	+ this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border)
809	- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
810	)
811	};
812
813	},
814
815	_generatePosition: function(event) {
816
817	var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html\|body)/i).test(scroll[0].tagName);
818
819	// This is another very weird special case that only happens for relative elements:
820	// 1. If the css position is relative
821	// 2. and the scroll parent is the document or similar to the offset parent
822	// we have to refresh the relative offset during the scroll so there are no jumps
823	if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) {
824	this.offset.relative = this._getRelativeOffset();
825	}
826
827	var pageX = event.pageX;
828	var pageY = event.pageY;
829
830	/*
831	* - Position constraining -
832	* Constrain the position to a mix of grid, containment.
833	*/
834
835	if(this.originalPosition) { //If we are not dragging yet, we won't check for options
836
837	if(this.containment) {
838	if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
839	if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
840	if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
841	if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
842	}
843
844	if(o.grid) {
845	var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
846	pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] \|\| top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
847
848	var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
849	pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] \|\| left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
850	}
851
852	}
853
854	return {
855	top: (
856	pageY // The absolute mouse position
857	- this.offset.click.top // Click offset (relative to the element)
858	- this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent
859	- this.offset.parent.top // The offsetParent's offset without borders (offset + border)
860	+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
861	),
862	left: (
863	pageX // The absolute mouse position
864	- this.offset.click.left // Click offset (relative to the element)
865	- this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent
866	- this.offset.parent.left // The offsetParent's offset without borders (offset + border)
867	+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
868	)
869	};
870
871	},
872
873	_rearrange: function(event, i, a, hardRefresh) {
874
875	a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction == 'down' ? i.item[0] : i.item[0].nextSibling));
876
877	//Various things done here to improve the performance:
878	// 1. we create a setTimeout, that calls refreshPositions
879	// 2. on the instance, we have a counter variable, that get's higher after every append
880	// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
881	// 4. this lets only the last addition to the timeout stack through
882	this.counter = this.counter ? ++this.counter : 1;
883	var self = this, counter = this.counter;
884
885	window.setTimeout(function() {
886	if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
887	},0);
888
889	},
890
891	_clear: function(event, noPropagation) {
892
893	this.reverting = false;
894	// We delay all events that have to be triggered to after the point where the placeholder has been removed and
895	// everything else normalized again
896	var delayedTriggers = [], self = this;
897
898	// We first have to update the dom position of the actual currentItem
899	// Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
900	if(!this._noFinalSort && this.currentItem[0].parentNode) this.placeholder.before(this.currentItem);
901	this._noFinalSort = null;
902
903	if(this.helper[0] == this.currentItem[0]) {
904	for(var i in this._storedCSS) {
905	if(this._storedCSS[i] == 'auto' \|\| this._storedCSS[i] == 'static') this._storedCSS[i] = '';
906	}
907	this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
908	} else {
909	this.currentItem.show();
910	}
911
912	if(this.fromOutside && !noPropagation) delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
913	if((this.fromOutside \|\| this.domPosition.prev != this.currentItem.prev().not(".ui-sortable-helper")[0] \|\| this.domPosition.parent != this.currentItem.parent()[0]) && !noPropagation) delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
914	if(!$.ui.contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
915	if(!noPropagation) delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
916	for (var i = this.containers.length - 1; i >= 0; i--){
917	if($.ui.contains(this.containers[i].element[0], this.currentItem[0]) && !noPropagation) {
918	delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
919	delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
920	}
921	};
922	};
923
924	//Post events to containers
925	for (var i = this.containers.length - 1; i >= 0; i--){
926	if(!noPropagation) delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
927	if(this.containers[i].containerCache.over) {
928	delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); }; }).call(this, this.containers[i]));
929	this.containers[i].containerCache.over = 0;
930	}
931	}
932
933	//Do what was originally in plugins
934	if(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursor
935	if(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset cursor
936	if(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-index
937
938	this.dragging = false;
939	if(this.cancelHelperRemoval) {
940	if(!noPropagation) {
941	this._trigger("beforeStop", event, this._uiHash());
942	for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
943	this._trigger("stop", event, this._uiHash());
944	}
945	return false;
946	}
947
948	if(!noPropagation) this._trigger("beforeStop", event, this._uiHash());
949
950	//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
951	this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
952
953	if(this.helper[0] != this.currentItem[0]) this.helper.remove(); this.helper = null;
954
955	if(!noPropagation) {
956	for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
957	this._trigger("stop", event, this._uiHash());
958	}
959
960	this.fromOutside = false;
961	return true;
962
963	},
964
965	_trigger: function() {
966	if ($.widget.prototype._trigger.apply(this, arguments) === false) {
967	this.cancel();
968	}
969	},
970
971	_uiHash: function(inst) {
972	var self = inst \|\| this;
973	return {
974	helper: self.helper,
975	placeholder: self.placeholder \|\| $([]),
976	position: self.position,
977	absolutePosition: self.positionAbs, //deprecated
978	offset: self.positionAbs,
979	item: self.currentItem,
980	sender: inst ? inst.element : null
981	};
982	}
983
984	}));
985
986	$.extend($.ui.sortable, {
987	getter: "serialize toArray",
988	version: "1.7.2",
989	eventPrefix: "sort",
990	defaults: {
991	appendTo: "parent",
992	axis: false,
993	cancel: ":input,option",
994	connectWith: false,
995	containment: false,
996	cursor: 'auto',
997	cursorAt: false,
998	delay: 0,
999	distance: 1,
1000	dropOnEmpty: true,
1001	forcePlaceholderSize: false,
1002	forceHelperSize: false,
1003	grid: false,
1004	handle: false,
1005	helper: "original",
1006	items: '> *',
1007	opacity: false,
1008	placeholder: false,
1009	revert: false,
1010	scroll: true,
1011	scrollSensitivity: 20,
1012	scrollSpeed: 20,
1013	scope: "default",
1014	tolerance: "intersect",
1015	zIndex: 1000
1016	}
1017	});
1018
1019	})(jQuery);

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