public/assets/jquery-ui-1-10-4/ui/jquery.ui.sortable.js

   1 /*!
   2  * jQuery UI Sortable 1.10.4
   3  * http://jqueryui.com
   4  *
   5  * Copyright 2014 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 function isOverAxis( x, reference, size ) {
  19         return ( x > reference ) && ( x < ( reference + size ) );
  20 }
  21
  22 function isFloating(item) {
  23         return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
  24 }
  25
  26 $.widget("ui.sortable", $.ui.mouse, {
  27         version: "1.10.4",
  28         widgetEventPrefix: "sort",
  29         ready: false,
  30         options: {
  31                 appendTo: "parent",
  32                 axis: false,
  33                 connectWith: false,
  34                 containment: false,
  35                 cursor: "auto",
  36                 cursorAt: false,
  37                 dropOnEmpty: true,
  38                 forcePlaceholderSize: false,
  39                 forceHelperSize: false,
  40                 grid: false,
  41                 handle: false,
  42                 helper: "original",
  43                 items: "> *",
  44                 opacity: false,
  45                 placeholder: false,
  46                 revert: false,
  47                 scroll: true,
  48                 scrollSensitivity: 20,
  49                 scrollSpeed: 20,
  50                 scope: "default",
  51                 tolerance: "intersect",
  52                 zIndex: 1000,
  53
  54                 // callbacks
  55                 activate: null,
  56                 beforeStop: null,
  57                 change: null,
  58                 deactivate: null,
  59                 out: null,
  60                 over: null,
  61                 receive: null,
  62                 remove: null,
  63                 sort: null,
  64                 start: null,
  65                 stop: null,
  66                 update: null
  67         },
  68         _create: function() {
  69
  70                 var o = this.options;
  71                 this.containerCache = {};
  72                 this.element.addClass("ui-sortable");
  73
  74                 //Get the items
  75                 this.refresh();
  76
  77                 //Let's determine if the items are being displayed horizontally
  78                 this.floating = this.items.length ? o.axis === "x" || isFloating(this.items[0].item) : false;
  79
  80                 //Let's determine the parent's offset
  81                 this.offset = this.element.offset();
  82
  83                 //Initialize mouse events for interaction
  84                 this._mouseInit();
  85
  86                 //We're ready to go
  87                 this.ready = true;
  88
  89         },
  90
  91         _destroy: function() {
  92                 this.element
  93                         .removeClass("ui-sortable ui-sortable-disabled");
  94                 this._mouseDestroy();
  95
  96                 for ( var i = this.items.length - 1; i >= 0; i-- ) {
  97                         this.items[i].item.removeData(this.widgetName + "-item");
  98                 }
  99
 100                 return this;
 101         },
 102
 103         _setOption: function(key, value){
 104                 if ( key === "disabled" ) {
 105                         this.options[ key ] = value;
 106
 107                         this.widget().toggleClass( "ui-sortable-disabled", !!value );
 108                 } else {
 109                         // Don't call widget base _setOption for disable as it adds ui-state-disabled class
 110                         $.Widget.prototype._setOption.apply(this, arguments);
 111                 }
 112         },
 113
 114         _mouseCapture: function(event, overrideHandle) {
 115                 var currentItem = null,
 116                         validHandle = false,
 117                         that = this;
 118
 119                 if (this.reverting) {
 120                         return false;
 121                 }
 122
 123                 if(this.options.disabled || this.options.type === "static") {
 124                         return false;
 125                 }
 126
 127                 //We have to refresh the items data once first
 128                 this._refreshItems(event);
 129
 130                 //Find out if the clicked node (or one of its parents) is a actual item in this.items
 131                 $(event.target).parents().each(function() {
 132                         if($.data(this, that.widgetName + "-item") === that) {
 133                                 currentItem = $(this);
 134                                 return false;
 135                         }
 136                 });
 137                 if($.data(event.target, that.widgetName + "-item") === that) {
 138                         currentItem = $(event.target);
 139                 }
 140
 141                 if(!currentItem) {
 142                         return false;
 143                 }
 144                 if(this.options.handle && !overrideHandle) {
 145                         $(this.options.handle, currentItem).find("*").addBack().each(function() {
 146                                 if(this === event.target) {
 147                                         validHandle = true;
 148                                 }
 149                         });
 150                         if(!validHandle) {
 151                                 return false;
 152                         }
 153                 }
 154
 155                 this.currentItem = currentItem;
 156                 this._removeCurrentsFromItems();
 157                 return true;
 158
 159         },
 160
 161         _mouseStart: function(event, overrideHandle, noActivation) {
 162
 163                 var i, body,
 164                         o = this.options;
 165
 166                 this.currentContainer = this;
 167
 168                 //We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
 169                 this.refreshPositions();
 170
 171                 //Create and append the visible helper
 172                 this.helper = this._createHelper(event);
 173
 174                 //Cache the helper size
 175                 this._cacheHelperProportions();
 176
 177                 /*
 178                  * - Position generation -
 179                  * This block generates everything position related - it's the core of draggables.
 180                  */
 181
 182                 //Cache the margins of the original element
 183                 this._cacheMargins();
 184
 185                 //Get the next scrolling parent
 186                 this.scrollParent = this.helper.scrollParent();
 187
 188                 //The element's absolute position on the page minus margins
 189                 this.offset = this.currentItem.offset();
 190                 this.offset = {
 191                         top: this.offset.top - this.margins.top,
 192                         left: this.offset.left - this.margins.left
 193                 };
 194
 195                 $.extend(this.offset, {
 196                         click: { //Where the click happened, relative to the element
 197                                 left: event.pageX - this.offset.left,
 198                                 top: event.pageY - this.offset.top
 199                         },
 200                         parent: this._getParentOffset(),
 201                         relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
 202                 });
 203
 204                 // Only after we got the offset, we can change the helper's position to absolute
 205                 // TODO: Still need to figure out a way to make relative sorting possible
 206                 this.helper.css("position", "absolute");
 207                 this.cssPosition = this.helper.css("position");
 208
 209                 //Generate the original position
 210                 this.originalPosition = this._generatePosition(event);
 211                 this.originalPageX = event.pageX;
 212                 this.originalPageY = event.pageY;
 213
 214                 //Adjust the mouse offset relative to the helper if "cursorAt" is supplied
 215                 (o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
 216
 217                 //Cache the former DOM position
 218                 this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
 219
 220                 //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
 221                 if(this.helper[0] !== this.currentItem[0]) {
 222                         this.currentItem.hide();
 223                 }
 224
 225                 //Create the placeholder
 226                 this._createPlaceholder();
 227
 228                 //Set a containment if given in the options
 229                 if(o.containment) {
 230                         this._setContainment();
 231                 }
 232
 233                 if( o.cursor && o.cursor !== "auto" ) { // cursor option
 234                         body = this.document.find( "body" );
 235
 236                         // support: IE
 237                         this.storedCursor = body.css( "cursor" );
 238                         body.css( "cursor", o.cursor );
 239
 240                         this.storedStylesheet = $( "<style>*{ cursor: "+o.cursor+" !important; }</style>" ).appendTo( body );
 241                 }
 242
 243                 if(o.opacity) { // opacity option
 244                         if (this.helper.css("opacity")) {
 245                                 this._storedOpacity = this.helper.css("opacity");
 246                         }
 247                         this.helper.css("opacity", o.opacity);
 248                 }
 249
 250                 if(o.zIndex) { // zIndex option
 251                         if (this.helper.css("zIndex")) {
 252                                 this._storedZIndex = this.helper.css("zIndex");
 253                         }
 254                         this.helper.css("zIndex", o.zIndex);
 255                 }
 256
 257                 //Prepare scrolling
 258                 if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {
 259                         this.overflowOffset = this.scrollParent.offset();
 260                 }
 261
 262                 //Call callbacks
 263                 this._trigger("start", event, this._uiHash());
 264
 265                 //Recache the helper size
 266                 if(!this._preserveHelperProportions) {
 267                         this._cacheHelperProportions();
 268                 }
 269
 270
 271                 //Post "activate" events to possible containers
 272                 if( !noActivation ) {
 273                         for ( i = this.containers.length - 1; i >= 0; i-- ) {
 274                                 this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
 275                         }
 276                 }
 277
 278                 //Prepare possible droppables
 279                 if($.ui.ddmanager) {
 280                         $.ui.ddmanager.current = this;
 281                 }
 282
 283                 if ($.ui.ddmanager && !o.dropBehaviour) {
 284                         $.ui.ddmanager.prepareOffsets(this, event);
 285                 }
 286
 287                 this.dragging = true;
 288
 289                 this.helper.addClass("ui-sortable-helper");
 290                 this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
 291                 return true;
 292
 293         },
 294
 295         _mouseDrag: function(event) {
 296                 var i, item, itemElement, intersection,
 297                         o = this.options,
 298                         scrolled = false;
 299
 300                 //Compute the helpers position
 301                 this.position = this._generatePosition(event);
 302                 this.positionAbs = this._convertPositionTo("absolute");
 303
 304                 if (!this.lastPositionAbs) {
 305                         this.lastPositionAbs = this.positionAbs;
 306                 }
 307
 308                 //Do scrolling
 309                 if(this.options.scroll) {
 310                         if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {
 311
 312                                 if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) {
 313                                         this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
 314                                 } else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity) {
 315                                         this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
 316                                 }
 317
 318                                 if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) {
 319                                         this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
 320                                 } else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity) {
 321                                         this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
 322                                 }
 323
 324                         } else {
 325
 326                                 if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
 327                                         scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
 328                                 } else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) {
 329                                         scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
 330                                 }
 331
 332                                 if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
 333                                         scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
 334                                 } else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) {
 335                                         scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
 336                                 }
 337
 338                         }
 339
 340                         if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
 341                                 $.ui.ddmanager.prepareOffsets(this, event);
 342                         }
 343                 }
 344
 345                 //Regenerate the absolute position used for position checks
 346                 this.positionAbs = this._convertPositionTo("absolute");
 347
 348                 //Set the helper position
 349                 if(!this.options.axis || this.options.axis !== "y") {
 350                         this.helper[0].style.left = this.position.left+"px";
 351                 }
 352                 if(!this.options.axis || this.options.axis !== "x") {
 353                         this.helper[0].style.top = this.position.top+"px";
 354                 }
 355
 356                 //Rearrange
 357                 for (i = this.items.length - 1; i >= 0; i--) {
 358
 359                         //Cache variables and intersection, continue if no intersection
 360                         item = this.items[i];
 361                         itemElement = item.item[0];
 362                         intersection = this._intersectsWithPointer(item);
 363                         if (!intersection) {
 364                                 continue;
 365                         }
 366
 367                         // Only put the placeholder inside the current Container, skip all
 368                         // items from other containers. This works because when moving
 369                         // an item from one container to another the
 370                         // currentContainer is switched before the placeholder is moved.
 371                         //
 372                         // Without this, moving items in "sub-sortables" can cause
 373                         // the placeholder to jitter beetween the outer and inner container.
 374                         if (item.instance !== this.currentContainer) {
 375                                 continue;
 376                         }
 377
 378                         // cannot intersect with itself
 379                         // no useless actions that have been done before
 380                         // no action if the item moved is the parent of the item checked
 381                         if (itemElement !== this.currentItem[0] &&
 382                                 this.placeholder[intersection === 1 ? "next" : "prev"]()[0] !== itemElement &&
 383                                 !$.contains(this.placeholder[0], itemElement) &&
 384                                 (this.options.type === "semi-dynamic" ? !$.contains(this.element[0], itemElement) : true)
 385                         ) {
 386
 387                                 this.direction = intersection === 1 ? "down" : "up";
 388
 389                                 if (this.options.tolerance === "pointer" || this._intersectsWithSides(item)) {
 390                                         this._rearrange(event, item);
 391                                 } else {
 392                                         break;
 393                                 }
 394
 395                                 this._trigger("change", event, this._uiHash());
 396                                 break;
 397                         }
 398                 }
 399
 400                 //Post events to containers
 401                 this._contactContainers(event);
 402
 403                 //Interconnect with droppables
 404                 if($.ui.ddmanager) {
 405                         $.ui.ddmanager.drag(this, event);
 406                 }
 407
 408                 //Call callbacks
 409                 this._trigger("sort", event, this._uiHash());
 410
 411                 this.lastPositionAbs = this.positionAbs;
 412                 return false;
 413
 414         },
 415
 416         _mouseStop: function(event, noPropagation) {
 417
 418                 if(!event) {
 419                         return;
 420                 }
 421
 422                 //If we are using droppables, inform the manager about the drop
 423                 if ($.ui.ddmanager && !this.options.dropBehaviour) {
 424                         $.ui.ddmanager.drop(this, event);
 425                 }
 426
 427                 if(this.options.revert) {
 428                         var that = this,
 429                                 cur = this.placeholder.offset(),
 430                                 axis = this.options.axis,
 431                                 animation = {};
 432
 433                         if ( !axis || axis === "x" ) {
 434                                 animation.left = cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollLeft);
 435                         }
 436                         if ( !axis || axis === "y" ) {
 437                                 animation.top = cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollTop);
 438                         }
 439                         this.reverting = true;
 440                         $(this.helper).animate( animation, parseInt(this.options.revert, 10) || 500, function() {
 441                                 that._clear(event);
 442                         });
 443                 } else {
 444                         this._clear(event, noPropagation);
 445                 }
 446
 447                 return false;
 448
 449         },
 450
 451         cancel: function() {
 452
 453                 if(this.dragging) {
 454
 455                         this._mouseUp({ target: null });
 456
 457                         if(this.options.helper === "original") {
 458                                 this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
 459                         } else {
 460                                 this.currentItem.show();
 461                         }
 462
 463                         //Post deactivating events to containers
 464                         for (var i = this.containers.length - 1; i >= 0; i--){
 465                                 this.containers[i]._trigger("deactivate", null, this._uiHash(this));
 466                                 if(this.containers[i].containerCache.over) {
 467                                         this.containers[i]._trigger("out", null, this._uiHash(this));
 468                                         this.containers[i].containerCache.over = 0;
 469                                 }
 470                         }
 471
 472                 }
 473
 474                 if (this.placeholder) {
 475                         //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
 476                         if(this.placeholder[0].parentNode) {
 477                                 this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
 478                         }
 479                         if(this.options.helper !== "original" && this.helper && this.helper[0].parentNode) {
 480                                 this.helper.remove();
 481                         }
 482
 483                         $.extend(this, {
 484                                 helper: null,
 485                                 dragging: false,
 486                                 reverting: false,
 487                                 _noFinalSort: null
 488                         });
 489
 490                         if(this.domPosition.prev) {
 491                                 $(this.domPosition.prev).after(this.currentItem);
 492                         } else {
 493                                 $(this.domPosition.parent).prepend(this.currentItem);
 494                         }
 495                 }
 496
 497                 return this;
 498
 499         },
 500
 501         serialize: function(o) {
 502
 503                 var items = this._getItemsAsjQuery(o && o.connected),
 504                         str = [];
 505                 o = o || {};
 506
 507                 $(items).each(function() {
 508                         var res = ($(o.item || this).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[\-=_](.+)/));
 509                         if (res) {
 510                                 str.push((o.key || res[1]+"[]")+"="+(o.key && o.expression ? res[1] : res[2]));
 511                         }
 512                 });
 513
 514                 if(!str.length && o.key) {
 515                         str.push(o.key + "=");
 516                 }
 517
 518                 return str.join("&");
 519
 520         },
 521
 522         toArray: function(o) {
 523
 524                 var items = this._getItemsAsjQuery(o && o.connected),
 525                         ret = [];
 526
 527                 o = o || {};
 528
 529                 items.each(function() { ret.push($(o.item || this).attr(o.attribute || "id") || ""); });
 530                 return ret;
 531
 532         },
 533
 534         /* Be careful with the following core functions */
 535         _intersectsWith: function(item) {
 536
 537                 var x1 = this.positionAbs.left,
 538                         x2 = x1 + this.helperProportions.width,
 539                         y1 = this.positionAbs.top,
 540                         y2 = y1 + this.helperProportions.height,
 541                         l = item.left,
 542                         r = l + item.width,
 543                         t = item.top,
 544                         b = t + item.height,
 545                         dyClick = this.offset.click.top,
 546                         dxClick = this.offset.click.left,
 547                         isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t && ( y1 + dyClick ) < b ),
 548                         isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l && ( x1 + dxClick ) < r ),
 549                         isOverElement = isOverElementHeight && isOverElementWidth;
 550
 551                 if ( this.options.tolerance === "pointer" ||
 552                         this.options.forcePointerForContainers ||
 553                         (this.options.tolerance !== "pointer" && this.helperProportions[this.floating ? "width" : "height"] > item[this.floating ? "width" : "height"])
 554                 ) {
 555                         return isOverElement;
 556                 } else {
 557
 558                         return (l < x1 + (this.helperProportions.width / 2) && // Right Half
 559                                 x2 - (this.helperProportions.width / 2) < r && // Left Half
 560                                 t < y1 + (this.helperProportions.height / 2) && // Bottom Half
 561                                 y2 - (this.helperProportions.height / 2) < b ); // Top Half
 562
 563                 }
 564         },
 565
 566         _intersectsWithPointer: function(item) {
 567
 568                 var isOverElementHeight = (this.options.axis === "x") || isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
 569                         isOverElementWidth = (this.options.axis === "y") || isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
 570                         isOverElement = isOverElementHeight && isOverElementWidth,
 571                         verticalDirection = this._getDragVerticalDirection(),
 572                         horizontalDirection = this._getDragHorizontalDirection();
 573
 574                 if (!isOverElement) {
 575                         return false;
 576                 }
 577
 578                 return this.floating ?
 579                         ( ((horizontalDirection && horizontalDirection === "right") || verticalDirection === "down") ? 2 : 1 )
 580                         : ( verticalDirection && (verticalDirection === "down" ? 2 : 1) );
 581
 582         },
 583
 584         _intersectsWithSides: function(item) {
 585
 586                 var isOverBottomHalf = isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
 587                         isOverRightHalf = isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
 588                         verticalDirection = this._getDragVerticalDirection(),
 589                         horizontalDirection = this._getDragHorizontalDirection();
 590
 591                 if (this.floating && horizontalDirection) {
 592                         return ((horizontalDirection === "right" && isOverRightHalf) || (horizontalDirection === "left" && !isOverRightHalf));
 593                 } else {
 594                         return verticalDirection && ((verticalDirection === "down" && isOverBottomHalf) || (verticalDirection === "up" && !isOverBottomHalf));
 595                 }
 596
 597         },
 598
 599         _getDragVerticalDirection: function() {
 600                 var delta = this.positionAbs.top - this.lastPositionAbs.top;
 601                 return delta !== 0 && (delta > 0 ? "down" : "up");
 602         },
 603
 604         _getDragHorizontalDirection: function() {
 605                 var delta = this.positionAbs.left - this.lastPositionAbs.left;
 606                 return delta !== 0 && (delta > 0 ? "right" : "left");
 607         },
 608
 609         refresh: function(event) {
 610                 this._refreshItems(event);
 611                 this.refreshPositions();
 612                 return this;
 613         },
 614
 615         _connectWith: function() {
 616                 var options = this.options;
 617                 return options.connectWith.constructor === String ? [options.connectWith] : options.connectWith;
 618         },
 619
 620         _getItemsAsjQuery: function(connected) {
 621
 622                 var i, j, cur, inst,
 623                         items = [],
 624                         queries = [],
 625                         connectWith = this._connectWith();
 626
 627                 if(connectWith && connected) {
 628                         for (i = connectWith.length - 1; i >= 0; i--){
 629                                 cur = $(connectWith[i]);
 630                                 for ( j = cur.length - 1; j >= 0; j--){
 631                                         inst = $.data(cur[j], this.widgetFullName);
 632                                         if(inst && inst !== this && !inst.options.disabled) {
 633                                                 queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), inst]);
 634                                         }
 635                                 }
 636                         }
 637                 }
 638
 639                 queries.push([$.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]);
 640
 641                 function addItems() {
 642                         items.push( this );
 643                 }
 644                 for (i = queries.length - 1; i >= 0; i--){
 645                         queries[i][0].each( addItems );
 646                 }
 647
 648                 return $(items);
 649
 650         },
 651
 652         _removeCurrentsFromItems: function() {
 653
 654                 var list = this.currentItem.find(":data(" + this.widgetName + "-item)");
 655
 656                 this.items = $.grep(this.items, function (item) {
 657                         for (var j=0; j < list.length; j++) {
 658                                 if(list[j] === item.item[0]) {
 659                                         return false;
 660                                 }
 661                         }
 662                         return true;
 663                 });
 664
 665         },
 666
 667         _refreshItems: function(event) {
 668
 669                 this.items = [];
 670                 this.containers = [this];
 671
 672                 var i, j, cur, inst, targetData, _queries, item, queriesLength,
 673                         items = this.items,
 674                         queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]],
 675                         connectWith = this._connectWith();
 676
 677                 if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down
 678                         for (i = connectWith.length - 1; i >= 0; i--){
 679                                 cur = $(connectWith[i]);
 680                                 for (j = cur.length - 1; j >= 0; j--){
 681                                         inst = $.data(cur[j], this.widgetFullName);
 682                                         if(inst && inst !== this && !inst.options.disabled) {
 683                                                 queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
 684                                                 this.containers.push(inst);
 685                                         }
 686                                 }
 687                         }
 688                 }
 689
 690                 for (i = queries.length - 1; i >= 0; i--) {
 691                         targetData = queries[i][1];
 692                         _queries = queries[i][0];
 693
 694                         for (j=0, queriesLength = _queries.length; j < queriesLength; j++) {
 695                                 item = $(_queries[j]);
 696
 697                                 item.data(this.widgetName + "-item", targetData); // Data for target checking (mouse manager)
 698
 699                                 items.push({
 700                                         item: item,
 701                                         instance: targetData,
 702                                         width: 0, height: 0,
 703                                         left: 0, top: 0
 704                                 });
 705                         }
 706                 }
 707
 708         },
 709
 710         refreshPositions: function(fast) {
 711
 712                 //This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
 713                 if(this.offsetParent && this.helper) {
 714                         this.offset.parent = this._getParentOffset();
 715                 }
 716
 717                 var i, item, t, p;
 718
 719                 for (i = this.items.length - 1; i >= 0; i--){
 720                         item = this.items[i];
 721
 722                         //We ignore calculating positions of all connected containers when we're not over them
 723                         if(item.instance !== this.currentContainer && this.currentContainer && item.item[0] !== this.currentItem[0]) {
 724                                 continue;
 725                         }
 726
 727                         t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
 728
 729                         if (!fast) {
 730                                 item.width = t.outerWidth();
 731                                 item.height = t.outerHeight();
 732                         }
 733
 734                         p = t.offset();
 735                         item.left = p.left;
 736                         item.top = p.top;
 737                 }
 738
 739                 if(this.options.custom && this.options.custom.refreshContainers) {
 740                         this.options.custom.refreshContainers.call(this);
 741                 } else {
 742                         for (i = this.containers.length - 1; i >= 0; i--){
 743                                 p = this.containers[i].element.offset();
 744                                 this.containers[i].containerCache.left = p.left;
 745                                 this.containers[i].containerCache.top = p.top;
 746                                 this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
 747                                 this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
 748                         }
 749                 }
 750
 751                 return this;
 752         },
 753
 754         _createPlaceholder: function(that) {
 755                 that = that || this;
 756                 var className,
 757                         o = that.options;
 758
 759                 if(!o.placeholder || o.placeholder.constructor === String) {
 760                         className = o.placeholder;
 761                         o.placeholder = {
 762                                 element: function() {
 763
 764                                         var nodeName = that.currentItem[0].nodeName.toLowerCase(),
 765                                                 element = $( "<" + nodeName + ">", that.document[0] )
 766                                                         .addClass(className || that.currentItem[0].className+" ui-sortable-placeholder")
 767                                                         .removeClass("ui-sortable-helper");
 768
 769                                         if ( nodeName === "tr" ) {
 770                                                 that.currentItem.children().each(function() {
 771                                                         $( "<td>&#160;</td>", that.document[0] )
 772                                                                 .attr( "colspan", $( this ).attr( "colspan" ) || 1 )
 773                                                                 .appendTo( element );
 774                                                 });
 775                                         } else if ( nodeName === "img" ) {
 776                                                 element.attr( "src", that.currentItem.attr( "src" ) );
 777                                         }
 778
 779                                         if ( !className ) {
 780                                                 element.css( "visibility", "hidden" );
 781                                         }
 782
 783                                         return element;
 784                                 },
 785                                 update: function(container, p) {
 786
 787                                         // 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
 788                                         // 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
 789                                         if(className && !o.forcePlaceholderSize) {
 790                                                 return;
 791                                         }
 792
 793                                         //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
 794                                         if(!p.height()) { p.height(that.currentItem.innerHeight() - parseInt(that.currentItem.css("paddingTop")||0, 10) - parseInt(that.currentItem.css("paddingBottom")||0, 10)); }
 795                                         if(!p.width()) { p.width(that.currentItem.innerWidth() - parseInt(that.currentItem.css("paddingLeft")||0, 10) - parseInt(that.currentItem.css("paddingRight")||0, 10)); }
 796                                 }
 797                         };
 798                 }
 799
 800                 //Create the placeholder
 801                 that.placeholder = $(o.placeholder.element.call(that.element, that.currentItem));
 802
 803                 //Append it after the actual current item
 804                 that.currentItem.after(that.placeholder);
 805
 806                 //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
 807                 o.placeholder.update(that, that.placeholder);
 808
 809         },
 810
 811         _contactContainers: function(event) {
 812                 var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, base, cur, nearBottom, floating,
 813                         innermostContainer = null,
 814                         innermostIndex = null;
 815
 816                 // get innermost container that intersects with item
 817                 for (i = this.containers.length - 1; i >= 0; i--) {
 818
 819                         // never consider a container that's located within the item itself
 820                         if($.contains(this.currentItem[0], this.containers[i].element[0])) {
 821                                 continue;
 822                         }
 823
 824                         if(this._intersectsWith(this.containers[i].containerCache)) {
 825
 826                                 // if we've already found a container and it's more "inner" than this, then continue
 827                                 if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0])) {
 828                                         continue;
 829                                 }
 830
 831                                 innermostContainer = this.containers[i];
 832                                 innermostIndex = i;
 833
 834                         } else {
 835                                 // container doesn't intersect. trigger "out" event if necessary
 836                                 if(this.containers[i].containerCache.over) {
 837                                         this.containers[i]._trigger("out", event, this._uiHash(this));
 838                                         this.containers[i].containerCache.over = 0;
 839                                 }
 840                         }
 841
 842                 }
 843
 844                 // if no intersecting containers found, return
 845                 if(!innermostContainer) {
 846                         return;
 847                 }
 848
 849                 // move the item into the container if it's not there already
 850                 if(this.containers.length === 1) {
 851                         if (!this.containers[innermostIndex].containerCache.over) {
 852                                 this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
 853                                 this.containers[innermostIndex].containerCache.over = 1;
 854                         }
 855                 } else {
 856
 857                         //When entering a new container, we will find the item with the least distance and append our item near it
 858                         dist = 10000;
 859                         itemWithLeastDistance = null;
 860                         floating = innermostContainer.floating || isFloating(this.currentItem);
 861                         posProperty = floating ? "left" : "top";
 862                         sizeProperty = floating ? "width" : "height";
 863                         base = this.positionAbs[posProperty] + this.offset.click[posProperty];
 864                         for (j = this.items.length - 1; j >= 0; j--) {
 865                                 if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) {
 866                                         continue;
 867                                 }
 868                                 if(this.items[j].item[0] === this.currentItem[0]) {
 869                                         continue;
 870                                 }
 871                                 if (floating && !isOverAxis(this.positionAbs.top + this.offset.click.top, this.items[j].top, this.items[j].height)) {
 872                                         continue;
 873                                 }
 874                                 cur = this.items[j].item.offset()[posProperty];
 875                                 nearBottom = false;
 876                                 if(Math.abs(cur - base) > Math.abs(cur + this.items[j][sizeProperty] - base)){
 877                                         nearBottom = true;
 878                                         cur += this.items[j][sizeProperty];
 879                                 }
 880
 881                                 if(Math.abs(cur - base) < dist) {
 882                                         dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
 883                                         this.direction = nearBottom ? "up": "down";
 884                                 }
 885                         }
 886
 887                         //Check if dropOnEmpty is enabled
 888                         if(!itemWithLeastDistance && !this.options.dropOnEmpty) {
 889                                 return;
 890                         }
 891
 892                         if(this.currentContainer === this.containers[innermostIndex]) {
 893                                 return;
 894                         }
 895
 896                         itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
 897                         this._trigger("change", event, this._uiHash());
 898                         this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
 899                         this.currentContainer = this.containers[innermostIndex];
 900
 901                         //Update the placeholder
 902                         this.options.placeholder.update(this.currentContainer, this.placeholder);
 903
 904                         this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
 905                         this.containers[innermostIndex].containerCache.over = 1;
 906                 }
 907
 908
 909         },
 910
 911         _createHelper: function(event) {
 912
 913                 var o = this.options,
 914                         helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper === "clone" ? this.currentItem.clone() : this.currentItem);
 915
 916                 //Add the helper to the DOM if that didn't happen already
 917                 if(!helper.parents("body").length) {
 918                         $(o.appendTo !== "parent" ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
 919                 }
 920
 921                 if(helper[0] === this.currentItem[0]) {
 922                         this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
 923                 }
 924
 925                 if(!helper[0].style.width || o.forceHelperSize) {
 926                         helper.width(this.currentItem.width());
 927                 }
 928                 if(!helper[0].style.height || o.forceHelperSize) {
 929                         helper.height(this.currentItem.height());
 930                 }
 931
 932                 return helper;
 933
 934         },
 935
 936         _adjustOffsetFromHelper: function(obj) {
 937                 if (typeof obj === "string") {
 938                         obj = obj.split(" ");
 939                 }
 940                 if ($.isArray(obj)) {
 941                         obj = {left: +obj[0], top: +obj[1] || 0};
 942                 }
 943                 if ("left" in obj) {
 944                         this.offset.click.left = obj.left + this.margins.left;
 945                 }
 946                 if ("right" in obj) {
 947                         this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
 948                 }
 949                 if ("top" in obj) {
 950                         this.offset.click.top = obj.top + this.margins.top;
 951                 }
 952                 if ("bottom" in obj) {
 953                         this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
 954                 }
 955         },
 956
 957         _getParentOffset: function() {
 958
 959
 960                 //Get the offsetParent and cache its position
 961                 this.offsetParent = this.helper.offsetParent();
 962                 var po = this.offsetParent.offset();
 963
 964                 // This is a special case where we need to modify a offset calculated on start, since the following happened:
 965                 // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
 966                 // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
 967                 //    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
 968                 if(this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
 969                         po.left += this.scrollParent.scrollLeft();
 970                         po.top += this.scrollParent.scrollTop();
 971                 }
 972
 973                 // This needs to be actually done for all browsers, since pageX/pageY includes this information
 974                 // with an ugly IE fix
 975                 if( this.offsetParent[0] === document.body || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) {
 976                         po = { top: 0, left: 0 };
 977                 }
 978
 979                 return {
 980                         top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
 981                         left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
 982                 };
 983
 984         },
 985
 986         _getRelativeOffset: function() {
 987
 988                 if(this.cssPosition === "relative") {
 989                         var p = this.currentItem.position();
 990                         return {
 991                                 top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
 992                                 left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
 993                         };
 994                 } else {
 995                         return { top: 0, left: 0 };
 996                 }
 997
 998         },
 999
1000         _cacheMargins: function() {
1001                 this.margins = {
1002                         left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
1003                         top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
1004                 };
1005         },
1006
1007         _cacheHelperProportions: function() {
1008                 this.helperProportions = {
1009                         width: this.helper.outerWidth(),
1010                         height: this.helper.outerHeight()
1011                 };
1012         },
1013
1014         _setContainment: function() {
1015
1016                 var ce, co, over,
1017                         o = this.options;
1018                 if(o.containment === "parent") {
1019                         o.containment = this.helper[0].parentNode;
1020                 }
1021                 if(o.containment === "document" || o.containment === "window") {
1022                         this.containment = [
1023                                 0 - this.offset.relative.left - this.offset.parent.left,
1024                                 0 - this.offset.relative.top - this.offset.parent.top,
1025                                 $(o.containment === "document" ? document : window).width() - this.helperProportions.width - this.margins.left,
1026                                 ($(o.containment === "document" ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
1027                         ];
1028                 }
1029
1030                 if(!(/^(document|window|parent)$/).test(o.containment)) {
1031                         ce = $(o.containment)[0];
1032                         co = $(o.containment).offset();
1033                         over = ($(ce).css("overflow") !== "hidden");
1034
1035                         this.containment = [
1036                                 co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
1037                                 co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
1038                                 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,
1039                                 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
1040                         ];
1041                 }
1042
1043         },
1044
1045         _convertPositionTo: function(d, pos) {
1046
1047                 if(!pos) {
1048                         pos = this.position;
1049                 }
1050                 var mod = d === "absolute" ? 1 : -1,
1051                         scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent,
1052                         scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
1053
1054                 return {
1055                         top: (
1056                                 pos.top +                                                                                                                               // The absolute mouse position
1057                                 this.offset.relative.top * mod +                                                                                // Only for relative positioned nodes: Relative offset from element to offset parent
1058                                 this.offset.parent.top * mod -                                                                                  // The offsetParent's offset without borders (offset + border)
1059                                 ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
1060                         ),
1061                         left: (
1062                                 pos.left +                                                                                                                              // The absolute mouse position
1063                                 this.offset.relative.left * mod +                                                                               // Only for relative positioned nodes: Relative offset from element to offset parent
1064                                 this.offset.parent.left * mod   -                                                                               // The offsetParent's offset without borders (offset + border)
1065                                 ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
1066                         )
1067                 };
1068
1069         },
1070
1071         _generatePosition: function(event) {
1072
1073                 var top, left,
1074                         o = this.options,
1075                         pageX = event.pageX,
1076                         pageY = event.pageY,
1077                         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);
1078
1079                 // This is another very weird special case that only happens for relative elements:
1080                 // 1. If the css position is relative
1081                 // 2. and the scroll parent is the document or similar to the offset parent
1082                 // we have to refresh the relative offset during the scroll so there are no jumps
1083                 if(this.cssPosition === "relative" && !(this.scrollParent[0] !== document && this.scrollParent[0] !== this.offsetParent[0])) {
1084                         this.offset.relative = this._getRelativeOffset();
1085                 }
1086
1087                 /*
1088                  * - Position constraining -
1089                  * Constrain the position to a mix of grid, containment.
1090                  */
1091
1092                 if(this.originalPosition) { //If we are not dragging yet, we won't check for options
1093
1094                         if(this.containment) {
1095                                 if(event.pageX - this.offset.click.left < this.containment[0]) {
1096                                         pageX = this.containment[0] + this.offset.click.left;
1097                                 }
1098                                 if(event.pageY - this.offset.click.top < this.containment[1]) {
1099                                         pageY = this.containment[1] + this.offset.click.top;
1100                                 }
1101                                 if(event.pageX - this.offset.click.left > this.containment[2]) {
1102                                         pageX = this.containment[2] + this.offset.click.left;
1103                                 }
1104                                 if(event.pageY - this.offset.click.top > this.containment[3]) {
1105                                         pageY = this.containment[3] + this.offset.click.top;
1106                                 }
1107                         }
1108
1109                         if(o.grid) {
1110                                 top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
1111                                 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;
1112
1113                                 left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
1114                                 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;
1115                         }
1116
1117                 }
1118
1119                 return {
1120                         top: (
1121                                 pageY -                                                                                                                         // The absolute mouse position
1122                                 this.offset.click.top -                                                                                                 // Click offset (relative to the element)
1123                                 this.offset.relative.top        -                                                                                       // Only for relative positioned nodes: Relative offset from element to offset parent
1124                                 this.offset.parent.top +                                                                                                // The offsetParent's offset without borders (offset + border)
1125                                 ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
1126                         ),
1127                         left: (
1128                                 pageX -                                                                                                                         // The absolute mouse position
1129                                 this.offset.click.left -                                                                                                // Click offset (relative to the element)
1130                                 this.offset.relative.left       -                                                                                       // Only for relative positioned nodes: Relative offset from element to offset parent
1131                                 this.offset.parent.left +                                                                                               // The offsetParent's offset without borders (offset + border)
1132                                 ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
1133                         )
1134                 };
1135
1136         },
1137
1138         _rearrange: function(event, i, a, hardRefresh) {
1139
1140                 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));
1141
1142                 //Various things done here to improve the performance:
1143                 // 1. we create a setTimeout, that calls refreshPositions
1144                 // 2. on the instance, we have a counter variable, that get's higher after every append
1145                 // 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
1146                 // 4. this lets only the last addition to the timeout stack through
1147                 this.counter = this.counter ? ++this.counter : 1;
1148                 var counter = this.counter;
1149
1150                 this._delay(function() {
1151                         if(counter === this.counter) {
1152                                 this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
1153                         }
1154                 });
1155
1156         },
1157
1158         _clear: function(event, noPropagation) {
1159
1160                 this.reverting = false;
1161                 // We delay all events that have to be triggered to after the point where the placeholder has been removed and
1162                 // everything else normalized again
1163                 var i,
1164                         delayedTriggers = [];
1165
1166                 // We first have to update the dom position of the actual currentItem
1167                 // Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
1168                 if(!this._noFinalSort && this.currentItem.parent().length) {
1169                         this.placeholder.before(this.currentItem);
1170                 }
1171                 this._noFinalSort = null;
1172
1173                 if(this.helper[0] === this.currentItem[0]) {
1174                         for(i in this._storedCSS) {
1175                                 if(this._storedCSS[i] === "auto" || this._storedCSS[i] === "static") {
1176                                         this._storedCSS[i] = "";
1177                                 }
1178                         }
1179                         this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
1180                 } else {
1181                         this.currentItem.show();
1182                 }
1183
1184                 if(this.fromOutside && !noPropagation) {
1185                         delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
1186                 }
1187                 if((this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent !== this.currentItem.parent()[0]) && !noPropagation) {
1188                         delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
1189                 }
1190
1191                 // Check if the items Container has Changed and trigger appropriate
1192                 // events.
1193                 if (this !== this.currentContainer) {
1194                         if(!noPropagation) {
1195                                 delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
1196                                 delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.currentContainer));
1197                                 delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.currentContainer));
1198                         }
1199                 }
1200
1201
1202                 //Post events to containers
1203                 function delayEvent( type, instance, container ) {
1204                         return function( event ) {
1205                                 container._trigger( type, event, instance._uiHash( instance ) );
1206                         };
1207                 }
1208                 for (i = this.containers.length - 1; i >= 0; i--){
1209                         if (!noPropagation) {
1210                                 delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) );
1211                         }
1212                         if(this.containers[i].containerCache.over) {
1213                                 delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) );
1214                                 this.containers[i].containerCache.over = 0;
1215                         }
1216                 }
1217
1218                 //Do what was originally in plugins
1219                 if ( this.storedCursor ) {
1220                         this.document.find( "body" ).css( "cursor", this.storedCursor );
1221                         this.storedStylesheet.remove();
1222                 }
1223                 if(this._storedOpacity) {
1224                         this.helper.css("opacity", this._storedOpacity);
1225                 }
1226                 if(this._storedZIndex) {
1227                         this.helper.css("zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex);
1228                 }
1229
1230                 this.dragging = false;
1231                 if(this.cancelHelperRemoval) {
1232                         if(!noPropagation) {
1233                                 this._trigger("beforeStop", event, this._uiHash());
1234                                 for (i=0; i < delayedTriggers.length; i++) {
1235                                         delayedTriggers[i].call(this, event);
1236                                 } //Trigger all delayed events
1237                                 this._trigger("stop", event, this._uiHash());
1238                         }
1239
1240                         this.fromOutside = false;
1241                         return false;
1242                 }
1243
1244                 if(!noPropagation) {
1245                         this._trigger("beforeStop", event, this._uiHash());
1246                 }
1247
1248                 //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
1249                 this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
1250
1251                 if(this.helper[0] !== this.currentItem[0]) {
1252                         this.helper.remove();
1253                 }
1254                 this.helper = null;
1255
1256                 if(!noPropagation) {
1257                         for (i=0; i < delayedTriggers.length; i++) {
1258                                 delayedTriggers[i].call(this, event);
1259                         } //Trigger all delayed events
1260                         this._trigger("stop", event, this._uiHash());
1261                 }
1262
1263                 this.fromOutside = false;
1264                 return true;
1265
1266         },
1267
1268         _trigger: function() {
1269                 if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
1270                         this.cancel();
1271                 }
1272         },
1273
1274         _uiHash: function(_inst) {
1275                 var inst = _inst || this;
1276                 return {
1277                         helper: inst.helper,
1278                         placeholder: inst.placeholder || $([]),
1279                         position: inst.position,
1280                         originalPosition: inst.originalPosition,
1281                         offset: inst.positionAbs,
1282                         item: inst.currentItem,
1283                         sender: _inst ? _inst.element : null
1284                 };
1285         }
1286
1287 });
1288
1289 })(jQuery);