~ubuntu-branches/debian/sid/wordpress/sid

« back to all changes in this revision

Viewing changes to debian/missing-sources/jquery-ui-1.10.3/jquery.ui.sortable.js

  • Committer: Package Import Robot
  • Author(s): Craig Small
  • Date: 2014-04-16 22:48:26 UTC
  • mfrom: (1.2.34)
  • Revision ID: package-import@ubuntu.com-20140416224826-087tu71aw8bjhvmd
Tags: 3.8.3+dfsg-1
New upstream release - fixes Quick Draft tool that broke in 3.8.2

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
/*!
2
 
 * jQuery UI Sortable 1.10.3
3
 
 * http://jqueryui.com
4
 
 *
5
 
 * Copyright 2013 jQuery Foundation and other contributors
6
 
 * Released under the MIT license.
7
 
 * http://jquery.org/license
8
 
 *
9
 
 * http://api.jqueryui.com/sortable/
10
 
 *
11
 
 * Depends:
12
 
 *      jquery.ui.core.js
13
 
 *      jquery.ui.mouse.js
14
 
 *      jquery.ui.widget.js
15
 
 */
16
 
(function( $, undefined ) {
17
 
 
18
 
/*jshint loopfunc: true */
19
 
 
20
 
function isOverAxis( x, reference, size ) {
21
 
        return ( x > reference ) && ( x < ( reference + size ) );
22
 
}
23
 
 
24
 
function isFloating(item) {
25
 
        return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
26
 
}
27
 
 
28
 
$.widget("ui.sortable", $.ui.mouse, {
29
 
        version: "1.10.3",
30
 
        widgetEventPrefix: "sort",
31
 
        ready: false,
32
 
        options: {
33
 
                appendTo: "parent",
34
 
                axis: false,
35
 
                connectWith: false,
36
 
                containment: false,
37
 
                cursor: "auto",
38
 
                cursorAt: false,
39
 
                dropOnEmpty: true,
40
 
                forcePlaceholderSize: false,
41
 
                forceHelperSize: false,
42
 
                grid: false,
43
 
                handle: false,
44
 
                helper: "original",
45
 
                items: "> *",
46
 
                opacity: false,
47
 
                placeholder: false,
48
 
                revert: false,
49
 
                scroll: true,
50
 
                scrollSensitivity: 20,
51
 
                scrollSpeed: 20,
52
 
                scope: "default",
53
 
                tolerance: "intersect",
54
 
                zIndex: 1000,
55
 
 
56
 
                // callbacks
57
 
                activate: null,
58
 
                beforeStop: null,
59
 
                change: null,
60
 
                deactivate: null,
61
 
                out: null,
62
 
                over: null,
63
 
                receive: null,
64
 
                remove: null,
65
 
                sort: null,
66
 
                start: null,
67
 
                stop: null,
68
 
                update: null
69
 
        },
70
 
        _create: function() {
71
 
 
72
 
                var o = this.options;
73
 
                this.containerCache = {};
74
 
                this.element.addClass("ui-sortable");
75
 
 
76
 
                //Get the items
77
 
                this.refresh();
78
 
 
79
 
                //Let's determine if the items are being displayed horizontally
80
 
                this.floating = this.items.length ? o.axis === "x" || isFloating(this.items[0].item) : false;
81
 
 
82
 
                //Let's determine the parent's offset
83
 
                this.offset = this.element.offset();
84
 
 
85
 
                //Initialize mouse events for interaction
86
 
                this._mouseInit();
87
 
 
88
 
                //We're ready to go
89
 
                this.ready = true;
90
 
 
91
 
        },
92
 
 
93
 
        _destroy: function() {
94
 
                this.element
95
 
                        .removeClass("ui-sortable ui-sortable-disabled");
96
 
                this._mouseDestroy();
97
 
 
98
 
                for ( var i = this.items.length - 1; i >= 0; i-- ) {
99
 
                        this.items[i].item.removeData(this.widgetName + "-item");
100
 
                }
101
 
 
102
 
                return this;
103
 
        },
104
 
 
105
 
        _setOption: function(key, value){
106
 
                if ( key === "disabled" ) {
107
 
                        this.options[ key ] = value;
108
 
 
109
 
                        this.widget().toggleClass( "ui-sortable-disabled", !!value );
110
 
                } else {
111
 
                        // Don't call widget base _setOption for disable as it adds ui-state-disabled class
112
 
                        $.Widget.prototype._setOption.apply(this, arguments);
113
 
                }
114
 
        },
115
 
 
116
 
        _mouseCapture: function(event, overrideHandle) {
117
 
                var currentItem = null,
118
 
                        validHandle = false,
119
 
                        that = this;
120
 
 
121
 
                if (this.reverting) {
122
 
                        return false;
123
 
                }
124
 
 
125
 
                if(this.options.disabled || this.options.type === "static") {
126
 
                        return false;
127
 
                }
128
 
 
129
 
                //We have to refresh the items data once first
130
 
                this._refreshItems(event);
131
 
 
132
 
                //Find out if the clicked node (or one of its parents) is a actual item in this.items
133
 
                $(event.target).parents().each(function() {
134
 
                        if($.data(this, that.widgetName + "-item") === that) {
135
 
                                currentItem = $(this);
136
 
                                return false;
137
 
                        }
138
 
                });
139
 
                if($.data(event.target, that.widgetName + "-item") === that) {
140
 
                        currentItem = $(event.target);
141
 
                }
142
 
 
143
 
                if(!currentItem) {
144
 
                        return false;
145
 
                }
146
 
                if(this.options.handle && !overrideHandle) {
147
 
                        $(this.options.handle, currentItem).find("*").addBack().each(function() {
148
 
                                if(this === event.target) {
149
 
                                        validHandle = true;
150
 
                                }
151
 
                        });
152
 
                        if(!validHandle) {
153
 
                                return false;
154
 
                        }
155
 
                }
156
 
 
157
 
                this.currentItem = currentItem;
158
 
                this._removeCurrentsFromItems();
159
 
                return true;
160
 
 
161
 
        },
162
 
 
163
 
        _mouseStart: function(event, overrideHandle, noActivation) {
164
 
 
165
 
                var i, body,
166
 
                        o = this.options;
167
 
 
168
 
                this.currentContainer = this;
169
 
 
170
 
                //We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
171
 
                this.refreshPositions();
172
 
 
173
 
                //Create and append the visible helper
174
 
                this.helper = this._createHelper(event);
175
 
 
176
 
                //Cache the helper size
177
 
                this._cacheHelperProportions();
178
 
 
179
 
                /*
180
 
                 * - Position generation -
181
 
                 * This block generates everything position related - it's the core of draggables.
182
 
                 */
183
 
 
184
 
                //Cache the margins of the original element
185
 
                this._cacheMargins();
186
 
 
187
 
                //Get the next scrolling parent
188
 
                this.scrollParent = this.helper.scrollParent();
189
 
 
190
 
                //The element's absolute position on the page minus margins
191
 
                this.offset = this.currentItem.offset();
192
 
                this.offset = {
193
 
                        top: this.offset.top - this.margins.top,
194
 
                        left: this.offset.left - this.margins.left
195
 
                };
196
 
 
197
 
                $.extend(this.offset, {
198
 
                        click: { //Where the click happened, relative to the element
199
 
                                left: event.pageX - this.offset.left,
200
 
                                top: event.pageY - this.offset.top
201
 
                        },
202
 
                        parent: this._getParentOffset(),
203
 
                        relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
204
 
                });
205
 
 
206
 
                // Only after we got the offset, we can change the helper's position to absolute
207
 
                // TODO: Still need to figure out a way to make relative sorting possible
208
 
                this.helper.css("position", "absolute");
209
 
                this.cssPosition = this.helper.css("position");
210
 
 
211
 
                //Generate the original position
212
 
                this.originalPosition = this._generatePosition(event);
213
 
                this.originalPageX = event.pageX;
214
 
                this.originalPageY = event.pageY;
215
 
 
216
 
                //Adjust the mouse offset relative to the helper if "cursorAt" is supplied
217
 
                (o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
218
 
 
219
 
                //Cache the former DOM position
220
 
                this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
221
 
 
222
 
                //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
223
 
                if(this.helper[0] !== this.currentItem[0]) {
224
 
                        this.currentItem.hide();
225
 
                }
226
 
 
227
 
                //Create the placeholder
228
 
                this._createPlaceholder();
229
 
 
230
 
                //Set a containment if given in the options
231
 
                if(o.containment) {
232
 
                        this._setContainment();
233
 
                }
234
 
 
235
 
                if( o.cursor && o.cursor !== "auto" ) { // cursor option
236
 
                        body = this.document.find( "body" );
237
 
 
238
 
                        // support: IE
239
 
                        this.storedCursor = body.css( "cursor" );
240
 
                        body.css( "cursor", o.cursor );
241
 
 
242
 
                        this.storedStylesheet = $( "<style>*{ cursor: "+o.cursor+" !important; }</style>" ).appendTo( body );
243
 
                }
244
 
 
245
 
                if(o.opacity) { // opacity option
246
 
                        if (this.helper.css("opacity")) {
247
 
                                this._storedOpacity = this.helper.css("opacity");
248
 
                        }
249
 
                        this.helper.css("opacity", o.opacity);
250
 
                }
251
 
 
252
 
                if(o.zIndex) { // zIndex option
253
 
                        if (this.helper.css("zIndex")) {
254
 
                                this._storedZIndex = this.helper.css("zIndex");
255
 
                        }
256
 
                        this.helper.css("zIndex", o.zIndex);
257
 
                }
258
 
 
259
 
                //Prepare scrolling
260
 
                if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {
261
 
                        this.overflowOffset = this.scrollParent.offset();
262
 
                }
263
 
 
264
 
                //Call callbacks
265
 
                this._trigger("start", event, this._uiHash());
266
 
 
267
 
                //Recache the helper size
268
 
                if(!this._preserveHelperProportions) {
269
 
                        this._cacheHelperProportions();
270
 
                }
271
 
 
272
 
 
273
 
                //Post "activate" events to possible containers
274
 
                if( !noActivation ) {
275
 
                        for ( i = this.containers.length - 1; i >= 0; i-- ) {
276
 
                                this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
277
 
                        }
278
 
                }
279
 
 
280
 
                //Prepare possible droppables
281
 
                if($.ui.ddmanager) {
282
 
                        $.ui.ddmanager.current = this;
283
 
                }
284
 
 
285
 
                if ($.ui.ddmanager && !o.dropBehaviour) {
286
 
                        $.ui.ddmanager.prepareOffsets(this, event);
287
 
                }
288
 
 
289
 
                this.dragging = true;
290
 
 
291
 
                this.helper.addClass("ui-sortable-helper");
292
 
                this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
293
 
                return true;
294
 
 
295
 
        },
296
 
 
297
 
        _mouseDrag: function(event) {
298
 
                var i, item, itemElement, intersection,
299
 
                        o = this.options,
300
 
                        scrolled = false;
301
 
 
302
 
                //Compute the helpers position
303
 
                this.position = this._generatePosition(event);
304
 
                this.positionAbs = this._convertPositionTo("absolute");
305
 
 
306
 
                if (!this.lastPositionAbs) {
307
 
                        this.lastPositionAbs = this.positionAbs;
308
 
                }
309
 
 
310
 
                //Do scrolling
311
 
                if(this.options.scroll) {
312
 
                        if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {
313
 
 
314
 
                                if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) {
315
 
                                        this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
316
 
                                } else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity) {
317
 
                                        this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
318
 
                                }
319
 
 
320
 
                                if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) {
321
 
                                        this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
322
 
                                } else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity) {
323
 
                                        this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
324
 
                                }
325
 
 
326
 
                        } else {
327
 
 
328
 
                                if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
329
 
                                        scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
330
 
                                } else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) {
331
 
                                        scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
332
 
                                }
333
 
 
334
 
                                if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
335
 
                                        scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
336
 
                                } else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) {
337
 
                                        scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
338
 
                                }
339
 
 
340
 
                        }
341
 
 
342
 
                        if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
343
 
                                $.ui.ddmanager.prepareOffsets(this, event);
344
 
                        }
345
 
                }
346
 
 
347
 
                //Regenerate the absolute position used for position checks
348
 
                this.positionAbs = this._convertPositionTo("absolute");
349
 
 
350
 
                //Set the helper position
351
 
                if(!this.options.axis || this.options.axis !== "y") {
352
 
                        this.helper[0].style.left = this.position.left+"px";
353
 
                }
354
 
                if(!this.options.axis || this.options.axis !== "x") {
355
 
                        this.helper[0].style.top = this.position.top+"px";
356
 
                }
357
 
 
358
 
                //Rearrange
359
 
                for (i = this.items.length - 1; i >= 0; i--) {
360
 
 
361
 
                        //Cache variables and intersection, continue if no intersection
362
 
                        item = this.items[i];
363
 
                        itemElement = item.item[0];
364
 
                        intersection = this._intersectsWithPointer(item);
365
 
                        if (!intersection) {
366
 
                                continue;
367
 
                        }
368
 
 
369
 
                        // Only put the placeholder inside the current Container, skip all
370
 
                        // items form other containers. This works because when moving
371
 
                        // an item from one container to another the
372
 
                        // currentContainer is switched before the placeholder is moved.
373
 
                        //
374
 
                        // Without this moving items in "sub-sortables" can cause the placeholder to jitter
375
 
                        // beetween the outer and inner container.
376
 
                        if (item.instance !== this.currentContainer) {
377
 
                                continue;
378
 
                        }
379
 
 
380
 
                        // cannot intersect with itself
381
 
                        // no useless actions that have been done before
382
 
                        // no action if the item moved is the parent of the item checked
383
 
                        if (itemElement !== this.currentItem[0] &&
384
 
                                this.placeholder[intersection === 1 ? "next" : "prev"]()[0] !== itemElement &&
385
 
                                !$.contains(this.placeholder[0], itemElement) &&
386
 
                                (this.options.type === "semi-dynamic" ? !$.contains(this.element[0], itemElement) : true)
387
 
                        ) {
388
 
 
389
 
                                this.direction = intersection === 1 ? "down" : "up";
390
 
 
391
 
                                if (this.options.tolerance === "pointer" || this._intersectsWithSides(item)) {
392
 
                                        this._rearrange(event, item);
393
 
                                } else {
394
 
                                        break;
395
 
                                }
396
 
 
397
 
                                this._trigger("change", event, this._uiHash());
398
 
                                break;
399
 
                        }
400
 
                }
401
 
 
402
 
                //Post events to containers
403
 
                this._contactContainers(event);
404
 
 
405
 
                //Interconnect with droppables
406
 
                if($.ui.ddmanager) {
407
 
                        $.ui.ddmanager.drag(this, event);
408
 
                }
409
 
 
410
 
                //Call callbacks
411
 
                this._trigger("sort", event, this._uiHash());
412
 
 
413
 
                this.lastPositionAbs = this.positionAbs;
414
 
                return false;
415
 
 
416
 
        },
417
 
 
418
 
        _mouseStop: function(event, noPropagation) {
419
 
 
420
 
                if(!event) {
421
 
                        return;
422
 
                }
423
 
 
424
 
                //If we are using droppables, inform the manager about the drop
425
 
                if ($.ui.ddmanager && !this.options.dropBehaviour) {
426
 
                        $.ui.ddmanager.drop(this, event);
427
 
                }
428
 
 
429
 
                if(this.options.revert) {
430
 
                        var that = this,
431
 
                                cur = this.placeholder.offset(),
432
 
                                axis = this.options.axis,
433
 
                                animation = {};
434
 
 
435
 
                        if ( !axis || axis === "x" ) {
436
 
                                animation.left = cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollLeft);
437
 
                        }
438
 
                        if ( !axis || axis === "y" ) {
439
 
                                animation.top = cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollTop);
440
 
                        }
441
 
                        this.reverting = true;
442
 
                        $(this.helper).animate( animation, parseInt(this.options.revert, 10) || 500, function() {
443
 
                                that._clear(event);
444
 
                        });
445
 
                } else {
446
 
                        this._clear(event, noPropagation);
447
 
                }
448
 
 
449
 
                return false;
450
 
 
451
 
        },
452
 
 
453
 
        cancel: function() {
454
 
 
455
 
                if(this.dragging) {
456
 
 
457
 
                        this._mouseUp({ target: null });
458
 
 
459
 
                        if(this.options.helper === "original") {
460
 
                                this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
461
 
                        } else {
462
 
                                this.currentItem.show();
463
 
                        }
464
 
 
465
 
                        //Post deactivating events to containers
466
 
                        for (var i = this.containers.length - 1; i >= 0; i--){
467
 
                                this.containers[i]._trigger("deactivate", null, this._uiHash(this));
468
 
                                if(this.containers[i].containerCache.over) {
469
 
                                        this.containers[i]._trigger("out", null, this._uiHash(this));
470
 
                                        this.containers[i].containerCache.over = 0;
471
 
                                }
472
 
                        }
473
 
 
474
 
                }
475
 
 
476
 
                if (this.placeholder) {
477
 
                        //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
478
 
                        if(this.placeholder[0].parentNode) {
479
 
                                this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
480
 
                        }
481
 
                        if(this.options.helper !== "original" && this.helper && this.helper[0].parentNode) {
482
 
                                this.helper.remove();
483
 
                        }
484
 
 
485
 
                        $.extend(this, {
486
 
                                helper: null,
487
 
                                dragging: false,
488
 
                                reverting: false,
489
 
                                _noFinalSort: null
490
 
                        });
491
 
 
492
 
                        if(this.domPosition.prev) {
493
 
                                $(this.domPosition.prev).after(this.currentItem);
494
 
                        } else {
495
 
                                $(this.domPosition.parent).prepend(this.currentItem);
496
 
                        }
497
 
                }
498
 
 
499
 
                return this;
500
 
 
501
 
        },
502
 
 
503
 
        serialize: function(o) {
504
 
 
505
 
                var items = this._getItemsAsjQuery(o && o.connected),
506
 
                        str = [];
507
 
                o = o || {};
508
 
 
509
 
                $(items).each(function() {
510
 
                        var res = ($(o.item || this).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[\-=_](.+)/));
511
 
                        if (res) {
512
 
                                str.push((o.key || res[1]+"[]")+"="+(o.key && o.expression ? res[1] : res[2]));
513
 
                        }
514
 
                });
515
 
 
516
 
                if(!str.length && o.key) {
517
 
                        str.push(o.key + "=");
518
 
                }
519
 
 
520
 
                return str.join("&");
521
 
 
522
 
        },
523
 
 
524
 
        toArray: function(o) {
525
 
 
526
 
                var items = this._getItemsAsjQuery(o && o.connected),
527
 
                        ret = [];
528
 
 
529
 
                o = o || {};
530
 
 
531
 
                items.each(function() { ret.push($(o.item || this).attr(o.attribute || "id") || ""); });
532
 
                return ret;
533
 
 
534
 
        },
535
 
 
536
 
        /* Be careful with the following core functions */
537
 
        _intersectsWith: function(item) {
538
 
 
539
 
                var x1 = this.positionAbs.left,
540
 
                        x2 = x1 + this.helperProportions.width,
541
 
                        y1 = this.positionAbs.top,
542
 
                        y2 = y1 + this.helperProportions.height,
543
 
                        l = item.left,
544
 
                        r = l + item.width,
545
 
                        t = item.top,
546
 
                        b = t + item.height,
547
 
                        dyClick = this.offset.click.top,
548
 
                        dxClick = this.offset.click.left,
549
 
                        isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t && ( y1 + dyClick ) < b ),
550
 
                        isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l && ( x1 + dxClick ) < r ),
551
 
                        isOverElement = isOverElementHeight && isOverElementWidth;
552
 
 
553
 
                if ( this.options.tolerance === "pointer" ||
554
 
                        this.options.forcePointerForContainers ||
555
 
                        (this.options.tolerance !== "pointer" && this.helperProportions[this.floating ? "width" : "height"] > item[this.floating ? "width" : "height"])
556
 
                ) {
557
 
                        return isOverElement;
558
 
                } else {
559
 
 
560
 
                        return (l < x1 + (this.helperProportions.width / 2) && // Right Half
561
 
                                x2 - (this.helperProportions.width / 2) < r && // Left Half
562
 
                                t < y1 + (this.helperProportions.height / 2) && // Bottom Half
563
 
                                y2 - (this.helperProportions.height / 2) < b ); // Top Half
564
 
 
565
 
                }
566
 
        },
567
 
 
568
 
        _intersectsWithPointer: function(item) {
569
 
 
570
 
                var isOverElementHeight = (this.options.axis === "x") || isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
571
 
                        isOverElementWidth = (this.options.axis === "y") || isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
572
 
                        isOverElement = isOverElementHeight && isOverElementWidth,
573
 
                        verticalDirection = this._getDragVerticalDirection(),
574
 
                        horizontalDirection = this._getDragHorizontalDirection();
575
 
 
576
 
                if (!isOverElement) {
577
 
                        return false;
578
 
                }
579
 
 
580
 
                return this.floating ?
581
 
                        ( ((horizontalDirection && horizontalDirection === "right") || verticalDirection === "down") ? 2 : 1 )
582
 
                        : ( verticalDirection && (verticalDirection === "down" ? 2 : 1) );
583
 
 
584
 
        },
585
 
 
586
 
        _intersectsWithSides: function(item) {
587
 
 
588
 
                var isOverBottomHalf = isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
589
 
                        isOverRightHalf = isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
590
 
                        verticalDirection = this._getDragVerticalDirection(),
591
 
                        horizontalDirection = this._getDragHorizontalDirection();
592
 
 
593
 
                if (this.floating && horizontalDirection) {
594
 
                        return ((horizontalDirection === "right" && isOverRightHalf) || (horizontalDirection === "left" && !isOverRightHalf));
595
 
                } else {
596
 
                        return verticalDirection && ((verticalDirection === "down" && isOverBottomHalf) || (verticalDirection === "up" && !isOverBottomHalf));
597
 
                }
598
 
 
599
 
        },
600
 
 
601
 
        _getDragVerticalDirection: function() {
602
 
                var delta = this.positionAbs.top - this.lastPositionAbs.top;
603
 
                return delta !== 0 && (delta > 0 ? "down" : "up");
604
 
        },
605
 
 
606
 
        _getDragHorizontalDirection: function() {
607
 
                var delta = this.positionAbs.left - this.lastPositionAbs.left;
608
 
                return delta !== 0 && (delta > 0 ? "right" : "left");
609
 
        },
610
 
 
611
 
        refresh: function(event) {
612
 
                this._refreshItems(event);
613
 
                this.refreshPositions();
614
 
                return this;
615
 
        },
616
 
 
617
 
        _connectWith: function() {
618
 
                var options = this.options;
619
 
                return options.connectWith.constructor === String ? [options.connectWith] : options.connectWith;
620
 
        },
621
 
 
622
 
        _getItemsAsjQuery: function(connected) {
623
 
 
624
 
                var i, j, cur, inst,
625
 
                        items = [],
626
 
                        queries = [],
627
 
                        connectWith = this._connectWith();
628
 
 
629
 
                if(connectWith && connected) {
630
 
                        for (i = connectWith.length - 1; i >= 0; i--){
631
 
                                cur = $(connectWith[i]);
632
 
                                for ( j = cur.length - 1; j >= 0; j--){
633
 
                                        inst = $.data(cur[j], this.widgetFullName);
634
 
                                        if(inst && inst !== this && !inst.options.disabled) {
635
 
                                                queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), inst]);
636
 
                                        }
637
 
                                }
638
 
                        }
639
 
                }
640
 
 
641
 
                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").not(".ui-sortable-placeholder"), this]);
642
 
 
643
 
                for (i = queries.length - 1; i >= 0; i--){
644
 
                        queries[i][0].each(function() {
645
 
                                items.push(this);
646
 
                        });
647
 
                }
648
 
 
649
 
                return $(items);
650
 
 
651
 
        },
652
 
 
653
 
        _removeCurrentsFromItems: function() {
654
 
 
655
 
                var list = this.currentItem.find(":data(" + this.widgetName + "-item)");
656
 
 
657
 
                this.items = $.grep(this.items, function (item) {
658
 
                        for (var j=0; j < list.length; j++) {
659
 
                                if(list[j] === item.item[0]) {
660
 
                                        return false;
661
 
                                }
662
 
                        }
663
 
                        return true;
664
 
                });
665
 
 
666
 
        },
667
 
 
668
 
        _refreshItems: function(event) {
669
 
 
670
 
                this.items = [];
671
 
                this.containers = [this];
672
 
 
673
 
                var i, j, cur, inst, targetData, _queries, item, queriesLength,
674
 
                        items = this.items,
675
 
                        queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]],
676
 
                        connectWith = this._connectWith();
677
 
 
678
 
                if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down
679
 
                        for (i = connectWith.length - 1; i >= 0; i--){
680
 
                                cur = $(connectWith[i]);
681
 
                                for (j = cur.length - 1; j >= 0; j--){
682
 
                                        inst = $.data(cur[j], this.widgetFullName);
683
 
                                        if(inst && inst !== this && !inst.options.disabled) {
684
 
                                                queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
685
 
                                                this.containers.push(inst);
686
 
                                        }
687
 
                                }
688
 
                        }
689
 
                }
690
 
 
691
 
                for (i = queries.length - 1; i >= 0; i--) {
692
 
                        targetData = queries[i][1];
693
 
                        _queries = queries[i][0];
694
 
 
695
 
                        for (j=0, queriesLength = _queries.length; j < queriesLength; j++) {
696
 
                                item = $(_queries[j]);
697
 
 
698
 
                                item.data(this.widgetName + "-item", targetData); // Data for target checking (mouse manager)
699
 
 
700
 
                                items.push({
701
 
                                        item: item,
702
 
                                        instance: targetData,
703
 
                                        width: 0, height: 0,
704
 
                                        left: 0, top: 0
705
 
                                });
706
 
                        }
707
 
                }
708
 
 
709
 
        },
710
 
 
711
 
        refreshPositions: function(fast) {
712
 
 
713
 
                //This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
714
 
                if(this.offsetParent && this.helper) {
715
 
                        this.offset.parent = this._getParentOffset();
716
 
                }
717
 
 
718
 
                var i, item, t, p;
719
 
 
720
 
                for (i = this.items.length - 1; i >= 0; i--){
721
 
                        item = this.items[i];
722
 
 
723
 
                        //We ignore calculating positions of all connected containers when we're not over them
724
 
                        if(item.instance !== this.currentContainer && this.currentContainer && item.item[0] !== this.currentItem[0]) {
725
 
                                continue;
726
 
                        }
727
 
 
728
 
                        t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
729
 
 
730
 
                        if (!fast) {
731
 
                                item.width = t.outerWidth();
732
 
                                item.height = t.outerHeight();
733
 
                        }
734
 
 
735
 
                        p = t.offset();
736
 
                        item.left = p.left;
737
 
                        item.top = p.top;
738
 
                }
739
 
 
740
 
                if(this.options.custom && this.options.custom.refreshContainers) {
741
 
                        this.options.custom.refreshContainers.call(this);
742
 
                } else {
743
 
                        for (i = this.containers.length - 1; i >= 0; i--){
744
 
                                p = this.containers[i].element.offset();
745
 
                                this.containers[i].containerCache.left = p.left;
746
 
                                this.containers[i].containerCache.top = p.top;
747
 
                                this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
748
 
                                this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
749
 
                        }
750
 
                }
751
 
 
752
 
                return this;
753
 
        },
754
 
 
755
 
        _createPlaceholder: function(that) {
756
 
                that = that || this;
757
 
                var className,
758
 
                        o = that.options;
759
 
 
760
 
                if(!o.placeholder || o.placeholder.constructor === String) {
761
 
                        className = o.placeholder;
762
 
                        o.placeholder = {
763
 
                                element: function() {
764
 
 
765
 
                                        var nodeName = that.currentItem[0].nodeName.toLowerCase(),
766
 
                                                element = $( "<" + nodeName + ">", that.document[0] )
767
 
                                                        .addClass(className || that.currentItem[0].className+" ui-sortable-placeholder")
768
 
                                                        .removeClass("ui-sortable-helper");
769
 
 
770
 
                                        if ( nodeName === "tr" ) {
771
 
                                                that.currentItem.children().each(function() {
772
 
                                                        $( "<td>&#160;</td>", that.document[0] )
773
 
                                                                .attr( "colspan", $( this ).attr( "colspan" ) || 1 )
774
 
                                                                .appendTo( element );
775
 
                                                });
776
 
                                        } else if ( nodeName === "img" ) {
777
 
                                                element.attr( "src", that.currentItem.attr( "src" ) );
778
 
                                        }
779
 
 
780
 
                                        if ( !className ) {
781
 
                                                element.css( "visibility", "hidden" );
782
 
                                        }
783
 
 
784
 
                                        return element;
785
 
                                },
786
 
                                update: function(container, p) {
787
 
 
788
 
                                        // 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
789
 
                                        // 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
790
 
                                        if(className && !o.forcePlaceholderSize) {
791
 
                                                return;
792
 
                                        }
793
 
 
794
 
                                        //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
795
 
                                        if(!p.height()) { p.height(that.currentItem.innerHeight() - parseInt(that.currentItem.css("paddingTop")||0, 10) - parseInt(that.currentItem.css("paddingBottom")||0, 10)); }
796
 
                                        if(!p.width()) { p.width(that.currentItem.innerWidth() - parseInt(that.currentItem.css("paddingLeft")||0, 10) - parseInt(that.currentItem.css("paddingRight")||0, 10)); }
797
 
                                }
798
 
                        };
799
 
                }
800
 
 
801
 
                //Create the placeholder
802
 
                that.placeholder = $(o.placeholder.element.call(that.element, that.currentItem));
803
 
 
804
 
                //Append it after the actual current item
805
 
                that.currentItem.after(that.placeholder);
806
 
 
807
 
                //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
808
 
                o.placeholder.update(that, that.placeholder);
809
 
 
810
 
        },
811
 
 
812
 
        _contactContainers: function(event) {
813
 
                var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, base, cur, nearBottom, floating,
814
 
                        innermostContainer = null,
815
 
                        innermostIndex = null;
816
 
 
817
 
                // get innermost container that intersects with item
818
 
                for (i = this.containers.length - 1; i >= 0; i--) {
819
 
 
820
 
                        // never consider a container that's located within the item itself
821
 
                        if($.contains(this.currentItem[0], this.containers[i].element[0])) {
822
 
                                continue;
823
 
                        }
824
 
 
825
 
                        if(this._intersectsWith(this.containers[i].containerCache)) {
826
 
 
827
 
                                // if we've already found a container and it's more "inner" than this, then continue
828
 
                                if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0])) {
829
 
                                        continue;
830
 
                                }
831
 
 
832
 
                                innermostContainer = this.containers[i];
833
 
                                innermostIndex = i;
834
 
 
835
 
                        } else {
836
 
                                // container doesn't intersect. trigger "out" event if necessary
837
 
                                if(this.containers[i].containerCache.over) {
838
 
                                        this.containers[i]._trigger("out", event, this._uiHash(this));
839
 
                                        this.containers[i].containerCache.over = 0;
840
 
                                }
841
 
                        }
842
 
 
843
 
                }
844
 
 
845
 
                // if no intersecting containers found, return
846
 
                if(!innermostContainer) {
847
 
                        return;
848
 
                }
849
 
 
850
 
                // move the item into the container if it's not there already
851
 
                if(this.containers.length === 1) {
852
 
                        if (!this.containers[innermostIndex].containerCache.over) {
853
 
                                this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
854
 
                                this.containers[innermostIndex].containerCache.over = 1;
855
 
                        }
856
 
                } else {
857
 
 
858
 
                        //When entering a new container, we will find the item with the least distance and append our item near it
859
 
                        dist = 10000;
860
 
                        itemWithLeastDistance = null;
861
 
                        floating = innermostContainer.floating || isFloating(this.currentItem);
862
 
                        posProperty = floating ? "left" : "top";
863
 
                        sizeProperty = floating ? "width" : "height";
864
 
                        base = this.positionAbs[posProperty] + this.offset.click[posProperty];
865
 
                        for (j = this.items.length - 1; j >= 0; j--) {
866
 
                                if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) {
867
 
                                        continue;
868
 
                                }
869
 
                                if(this.items[j].item[0] === this.currentItem[0]) {
870
 
                                        continue;
871
 
                                }
872
 
                                if (floating && !isOverAxis(this.positionAbs.top + this.offset.click.top, this.items[j].top, this.items[j].height)) {
873
 
                                        continue;
874
 
                                }
875
 
                                cur = this.items[j].item.offset()[posProperty];
876
 
                                nearBottom = false;
877
 
                                if(Math.abs(cur - base) > Math.abs(cur + this.items[j][sizeProperty] - base)){
878
 
                                        nearBottom = true;
879
 
                                        cur += this.items[j][sizeProperty];
880
 
                                }
881
 
 
882
 
                                if(Math.abs(cur - base) < dist) {
883
 
                                        dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
884
 
                                        this.direction = nearBottom ? "up": "down";
885
 
                                }
886
 
                        }
887
 
 
888
 
                        //Check if dropOnEmpty is enabled
889
 
                        if(!itemWithLeastDistance && !this.options.dropOnEmpty) {
890
 
                                return;
891
 
                        }
892
 
 
893
 
                        if(this.currentContainer === this.containers[innermostIndex]) {
894
 
                                return;
895
 
                        }
896
 
 
897
 
                        itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
898
 
                        this._trigger("change", event, this._uiHash());
899
 
                        this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
900
 
                        this.currentContainer = this.containers[innermostIndex];
901
 
 
902
 
                        //Update the placeholder
903
 
                        this.options.placeholder.update(this.currentContainer, this.placeholder);
904
 
 
905
 
                        this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
906
 
                        this.containers[innermostIndex].containerCache.over = 1;
907
 
                }
908
 
 
909
 
 
910
 
        },
911
 
 
912
 
        _createHelper: function(event) {
913
 
 
914
 
                var o = this.options,
915
 
                        helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper === "clone" ? this.currentItem.clone() : this.currentItem);
916
 
 
917
 
                //Add the helper to the DOM if that didn't happen already
918
 
                if(!helper.parents("body").length) {
919
 
                        $(o.appendTo !== "parent" ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
920
 
                }
921
 
 
922
 
                if(helper[0] === this.currentItem[0]) {
923
 
                        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") };
924
 
                }
925
 
 
926
 
                if(!helper[0].style.width || o.forceHelperSize) {
927
 
                        helper.width(this.currentItem.width());
928
 
                }
929
 
                if(!helper[0].style.height || o.forceHelperSize) {
930
 
                        helper.height(this.currentItem.height());
931
 
                }
932
 
 
933
 
                return helper;
934
 
 
935
 
        },
936
 
 
937
 
        _adjustOffsetFromHelper: function(obj) {
938
 
                if (typeof obj === "string") {
939
 
                        obj = obj.split(" ");
940
 
                }
941
 
                if ($.isArray(obj)) {
942
 
                        obj = {left: +obj[0], top: +obj[1] || 0};
943
 
                }
944
 
                if ("left" in obj) {
945
 
                        this.offset.click.left = obj.left + this.margins.left;
946
 
                }
947
 
                if ("right" in obj) {
948
 
                        this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
949
 
                }
950
 
                if ("top" in obj) {
951
 
                        this.offset.click.top = obj.top + this.margins.top;
952
 
                }
953
 
                if ("bottom" in obj) {
954
 
                        this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
955
 
                }
956
 
        },
957
 
 
958
 
        _getParentOffset: function() {
959
 
 
960
 
 
961
 
                //Get the offsetParent and cache its position
962
 
                this.offsetParent = this.helper.offsetParent();
963
 
                var po = this.offsetParent.offset();
964
 
 
965
 
                // This is a special case where we need to modify a offset calculated on start, since the following happened:
966
 
                // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
967
 
                // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
968
 
                //    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
969
 
                if(this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
970
 
                        po.left += this.scrollParent.scrollLeft();
971
 
                        po.top += this.scrollParent.scrollTop();
972
 
                }
973
 
 
974
 
                // This needs to be actually done for all browsers, since pageX/pageY includes this information
975
 
                // with an ugly IE fix
976
 
                if( this.offsetParent[0] === document.body || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) {
977
 
                        po = { top: 0, left: 0 };
978
 
                }
979
 
 
980
 
                return {
981
 
                        top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
982
 
                        left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
983
 
                };
984
 
 
985
 
        },
986
 
 
987
 
        _getRelativeOffset: function() {
988
 
 
989
 
                if(this.cssPosition === "relative") {
990
 
                        var p = this.currentItem.position();
991
 
                        return {
992
 
                                top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
993
 
                                left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
994
 
                        };
995
 
                } else {
996
 
                        return { top: 0, left: 0 };
997
 
                }
998
 
 
999
 
        },
1000
 
 
1001
 
        _cacheMargins: function() {
1002
 
                this.margins = {
1003
 
                        left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
1004
 
                        top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
1005
 
                };
1006
 
        },
1007
 
 
1008
 
        _cacheHelperProportions: function() {
1009
 
                this.helperProportions = {
1010
 
                        width: this.helper.outerWidth(),
1011
 
                        height: this.helper.outerHeight()
1012
 
                };
1013
 
        },
1014
 
 
1015
 
        _setContainment: function() {
1016
 
 
1017
 
                var ce, co, over,
1018
 
                        o = this.options;
1019
 
                if(o.containment === "parent") {
1020
 
                        o.containment = this.helper[0].parentNode;
1021
 
                }
1022
 
                if(o.containment === "document" || o.containment === "window") {
1023
 
                        this.containment = [
1024
 
                                0 - this.offset.relative.left - this.offset.parent.left,
1025
 
                                0 - this.offset.relative.top - this.offset.parent.top,
1026
 
                                $(o.containment === "document" ? document : window).width() - this.helperProportions.width - this.margins.left,
1027
 
                                ($(o.containment === "document" ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
1028
 
                        ];
1029
 
                }
1030
 
 
1031
 
                if(!(/^(document|window|parent)$/).test(o.containment)) {
1032
 
                        ce = $(o.containment)[0];
1033
 
                        co = $(o.containment).offset();
1034
 
                        over = ($(ce).css("overflow") !== "hidden");
1035
 
 
1036
 
                        this.containment = [
1037
 
                                co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
1038
 
                                co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
1039
 
                                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,
1040
 
                                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
1041
 
                        ];
1042
 
                }
1043
 
 
1044
 
        },
1045
 
 
1046
 
        _convertPositionTo: function(d, pos) {
1047
 
 
1048
 
                if(!pos) {
1049
 
                        pos = this.position;
1050
 
                }
1051
 
                var mod = d === "absolute" ? 1 : -1,
1052
 
                        scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent,
1053
 
                        scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
1054
 
 
1055
 
                return {
1056
 
                        top: (
1057
 
                                pos.top +                                                                                                                               // The absolute mouse position
1058
 
                                this.offset.relative.top * mod +                                                                                // Only for relative positioned nodes: Relative offset from element to offset parent
1059
 
                                this.offset.parent.top * mod -                                                                                  // The offsetParent's offset without borders (offset + border)
1060
 
                                ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
1061
 
                        ),
1062
 
                        left: (
1063
 
                                pos.left +                                                                                                                              // The absolute mouse position
1064
 
                                this.offset.relative.left * mod +                                                                               // Only for relative positioned nodes: Relative offset from element to offset parent
1065
 
                                this.offset.parent.left * mod   -                                                                               // The offsetParent's offset without borders (offset + border)
1066
 
                                ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
1067
 
                        )
1068
 
                };
1069
 
 
1070
 
        },
1071
 
 
1072
 
        _generatePosition: function(event) {
1073
 
 
1074
 
                var top, left,
1075
 
                        o = this.options,
1076
 
                        pageX = event.pageX,
1077
 
                        pageY = event.pageY,
1078
 
                        scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
1079
 
 
1080
 
                // This is another very weird special case that only happens for relative elements:
1081
 
                // 1. If the css position is relative
1082
 
                // 2. and the scroll parent is the document or similar to the offset parent
1083
 
                // we have to refresh the relative offset during the scroll so there are no jumps
1084
 
                if(this.cssPosition === "relative" && !(this.scrollParent[0] !== document && this.scrollParent[0] !== this.offsetParent[0])) {
1085
 
                        this.offset.relative = this._getRelativeOffset();
1086
 
                }
1087
 
 
1088
 
                /*
1089
 
                 * - Position constraining -
1090
 
                 * Constrain the position to a mix of grid, containment.
1091
 
                 */
1092
 
 
1093
 
                if(this.originalPosition) { //If we are not dragging yet, we won't check for options
1094
 
 
1095
 
                        if(this.containment) {
1096
 
                                if(event.pageX - this.offset.click.left < this.containment[0]) {
1097
 
                                        pageX = this.containment[0] + this.offset.click.left;
1098
 
                                }
1099
 
                                if(event.pageY - this.offset.click.top < this.containment[1]) {
1100
 
                                        pageY = this.containment[1] + this.offset.click.top;
1101
 
                                }
1102
 
                                if(event.pageX - this.offset.click.left > this.containment[2]) {
1103
 
                                        pageX = this.containment[2] + this.offset.click.left;
1104
 
                                }
1105
 
                                if(event.pageY - this.offset.click.top > this.containment[3]) {
1106
 
                                        pageY = this.containment[3] + this.offset.click.top;
1107
 
                                }
1108
 
                        }
1109
 
 
1110
 
                        if(o.grid) {
1111
 
                                top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
1112
 
                                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;
1113
 
 
1114
 
                                left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
1115
 
                                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;
1116
 
                        }
1117
 
 
1118
 
                }
1119
 
 
1120
 
                return {
1121
 
                        top: (
1122
 
                                pageY -                                                                                                                         // The absolute mouse position
1123
 
                                this.offset.click.top -                                                                                                 // Click offset (relative to the element)
1124
 
                                this.offset.relative.top        -                                                                                       // Only for relative positioned nodes: Relative offset from element to offset parent
1125
 
                                this.offset.parent.top +                                                                                                // The offsetParent's offset without borders (offset + border)
1126
 
                                ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
1127
 
                        ),
1128
 
                        left: (
1129
 
                                pageX -                                                                                                                         // The absolute mouse position
1130
 
                                this.offset.click.left -                                                                                                // Click offset (relative to the element)
1131
 
                                this.offset.relative.left       -                                                                                       // Only for relative positioned nodes: Relative offset from element to offset parent
1132
 
                                this.offset.parent.left +                                                                                               // The offsetParent's offset without borders (offset + border)
1133
 
                                ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
1134
 
                        )
1135
 
                };
1136
 
 
1137
 
        },
1138
 
 
1139
 
        _rearrange: function(event, i, a, hardRefresh) {
1140
 
 
1141
 
                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));
1142
 
 
1143
 
                //Various things done here to improve the performance:
1144
 
                // 1. we create a setTimeout, that calls refreshPositions
1145
 
                // 2. on the instance, we have a counter variable, that get's higher after every append
1146
 
                // 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
1147
 
                // 4. this lets only the last addition to the timeout stack through
1148
 
                this.counter = this.counter ? ++this.counter : 1;
1149
 
                var counter = this.counter;
1150
 
 
1151
 
                this._delay(function() {
1152
 
                        if(counter === this.counter) {
1153
 
                                this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
1154
 
                        }
1155
 
                });
1156
 
 
1157
 
        },
1158
 
 
1159
 
        _clear: function(event, noPropagation) {
1160
 
 
1161
 
                this.reverting = false;
1162
 
                // We delay all events that have to be triggered to after the point where the placeholder has been removed and
1163
 
                // everything else normalized again
1164
 
                var i,
1165
 
                        delayedTriggers = [];
1166
 
 
1167
 
                // We first have to update the dom position of the actual currentItem
1168
 
                // Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
1169
 
                if(!this._noFinalSort && this.currentItem.parent().length) {
1170
 
                        this.placeholder.before(this.currentItem);
1171
 
                }
1172
 
                this._noFinalSort = null;
1173
 
 
1174
 
                if(this.helper[0] === this.currentItem[0]) {
1175
 
                        for(i in this._storedCSS) {
1176
 
                                if(this._storedCSS[i] === "auto" || this._storedCSS[i] === "static") {
1177
 
                                        this._storedCSS[i] = "";
1178
 
                                }
1179
 
                        }
1180
 
                        this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
1181
 
                } else {
1182
 
                        this.currentItem.show();
1183
 
                }
1184
 
 
1185
 
                if(this.fromOutside && !noPropagation) {
1186
 
                        delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
1187
 
                }
1188
 
                if((this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent !== this.currentItem.parent()[0]) && !noPropagation) {
1189
 
                        delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
1190
 
                }
1191
 
 
1192
 
                // Check if the items Container has Changed and trigger appropriate
1193
 
                // events.
1194
 
                if (this !== this.currentContainer) {
1195
 
                        if(!noPropagation) {
1196
 
                                delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
1197
 
                                delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.currentContainer));
1198
 
                                delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.currentContainer));
1199
 
                        }
1200
 
                }
1201
 
 
1202
 
 
1203
 
                //Post events to containers
1204
 
                for (i = this.containers.length - 1; i >= 0; i--){
1205
 
                        if(!noPropagation) {
1206
 
                                delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
1207
 
                        }
1208
 
                        if(this.containers[i].containerCache.over) {
1209
 
                                delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
1210
 
                                this.containers[i].containerCache.over = 0;
1211
 
                        }
1212
 
                }
1213
 
 
1214
 
                //Do what was originally in plugins
1215
 
                if ( this.storedCursor ) {
1216
 
                        this.document.find( "body" ).css( "cursor", this.storedCursor );
1217
 
                        this.storedStylesheet.remove();
1218
 
                }
1219
 
                if(this._storedOpacity) {
1220
 
                        this.helper.css("opacity", this._storedOpacity);
1221
 
                }
1222
 
                if(this._storedZIndex) {
1223
 
                        this.helper.css("zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex);
1224
 
                }
1225
 
 
1226
 
                this.dragging = false;
1227
 
                if(this.cancelHelperRemoval) {
1228
 
                        if(!noPropagation) {
1229
 
                                this._trigger("beforeStop", event, this._uiHash());
1230
 
                                for (i=0; i < delayedTriggers.length; i++) {
1231
 
                                        delayedTriggers[i].call(this, event);
1232
 
                                } //Trigger all delayed events
1233
 
                                this._trigger("stop", event, this._uiHash());
1234
 
                        }
1235
 
 
1236
 
                        this.fromOutside = false;
1237
 
                        return false;
1238
 
                }
1239
 
 
1240
 
                if(!noPropagation) {
1241
 
                        this._trigger("beforeStop", event, this._uiHash());
1242
 
                }
1243
 
 
1244
 
                //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
1245
 
                this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
1246
 
 
1247
 
                if(this.helper[0] !== this.currentItem[0]) {
1248
 
                        this.helper.remove();
1249
 
                }
1250
 
                this.helper = null;
1251
 
 
1252
 
                if(!noPropagation) {
1253
 
                        for (i=0; i < delayedTriggers.length; i++) {
1254
 
                                delayedTriggers[i].call(this, event);
1255
 
                        } //Trigger all delayed events
1256
 
                        this._trigger("stop", event, this._uiHash());
1257
 
                }
1258
 
 
1259
 
                this.fromOutside = false;
1260
 
                return true;
1261
 
 
1262
 
        },
1263
 
 
1264
 
        _trigger: function() {
1265
 
                if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
1266
 
                        this.cancel();
1267
 
                }
1268
 
        },
1269
 
 
1270
 
        _uiHash: function(_inst) {
1271
 
                var inst = _inst || this;
1272
 
                return {
1273
 
                        helper: inst.helper,
1274
 
                        placeholder: inst.placeholder || $([]),
1275
 
                        position: inst.position,
1276
 
                        originalPosition: inst.originalPosition,
1277
 
                        offset: inst.positionAbs,
1278
 
                        item: inst.currentItem,
1279
 
                        sender: _inst ? _inst.element : null
1280
 
                };
1281
 
        }
1282
 
 
1283
 
});
1284
 
 
1285
 
})(jQuery);