testing/ver0.01/jquery-ui-1.10.3.custom/development-bundle/ui/jquery.ui.sortable.js

   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);