--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/js/jquery/ui/sortable.js Wed Sep 21 18:19:35 2022 +0200
@@ -0,0 +1,1550 @@
+/*!
+ * jQuery UI Sortable 1.12.1
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+
+//>>label: Sortable
+//>>group: Interactions
+//>>description: Enables items in a list to be sorted using the mouse.
+//>>docs: http://api.jqueryui.com/sortable/
+//>>demos: http://jqueryui.com/sortable/
+//>>css.structure: ../../themes/base/sortable.css
+
+( function( factory ) {
+ if ( typeof define === "function" && define.amd ) {
+
+ // AMD. Register as an anonymous module.
+ define( [
+ "jquery",
+ "./mouse",
+ "./core"
+ ], factory );
+ } else {
+
+ // Browser globals
+ factory( jQuery );
+ }
+}( function( $ ) {
+
+return $.widget( "ui.sortable", $.ui.mouse, {
+ version: "1.12.1",
+ widgetEventPrefix: "sort",
+ ready: false,
+ options: {
+ appendTo: "parent",
+ axis: false,
+ connectWith: false,
+ containment: false,
+ cursor: "auto",
+ cursorAt: false,
+ dropOnEmpty: true,
+ forcePlaceholderSize: false,
+ forceHelperSize: false,
+ grid: false,
+ handle: false,
+ helper: "original",
+ items: "> *",
+ opacity: false,
+ placeholder: false,
+ revert: false,
+ scroll: true,
+ scrollSensitivity: 20,
+ scrollSpeed: 20,
+ scope: "default",
+ tolerance: "intersect",
+ zIndex: 1000,
+
+ // Callbacks
+ activate: null,
+ beforeStop: null,
+ change: null,
+ deactivate: null,
+ out: null,
+ over: null,
+ receive: null,
+ remove: null,
+ sort: null,
+ start: null,
+ stop: null,
+ update: null
+ },
+
+ _isOverAxis: function( x, reference, size ) {
+ return ( x >= reference ) && ( x < ( reference + size ) );
+ },
+
+ _isFloating: function( item ) {
+ return ( /left|right/ ).test( item.css( "float" ) ) ||
+ ( /inline|table-cell/ ).test( item.css( "display" ) );
+ },
+
+ _create: function() {
+ this.containerCache = {};
+ this._addClass( "ui-sortable" );
+
+ //Get the items
+ this.refresh();
+
+ //Let's determine the parent's offset
+ this.offset = this.element.offset();
+
+ //Initialize mouse events for interaction
+ this._mouseInit();
+
+ this._setHandleClassName();
+
+ //We're ready to go
+ this.ready = true;
+
+ },
+
+ _setOption: function( key, value ) {
+ this._super( key, value );
+
+ if ( key === "handle" ) {
+ this._setHandleClassName();
+ }
+ },
+
+ _setHandleClassName: function() {
+ var that = this;
+ this._removeClass( this.element.find( ".ui-sortable-handle" ), "ui-sortable-handle" );
+ $.each( this.items, function() {
+ that._addClass(
+ this.instance.options.handle ?
+ this.item.find( this.instance.options.handle ) :
+ this.item,
+ "ui-sortable-handle"
+ );
+ } );
+ },
+
+ _destroy: function() {
+ this._mouseDestroy();
+
+ for ( var i = this.items.length - 1; i >= 0; i-- ) {
+ this.items[ i ].item.removeData( this.widgetName + "-item" );
+ }
+
+ return this;
+ },
+
+ _mouseCapture: function( event, overrideHandle ) {
+ var currentItem = null,
+ validHandle = false,
+ that = this;
+
+ if ( this.reverting ) {
+ return false;
+ }
+
+ if ( this.options.disabled || this.options.type === "static" ) {
+ return false;
+ }
+
+ //We have to refresh the items data once first
+ this._refreshItems( event );
+
+ //Find out if the clicked node (or one of its parents) is a actual item in this.items
+ $( event.target ).parents().each( function() {
+ if ( $.data( this, that.widgetName + "-item" ) === that ) {
+ currentItem = $( this );
+ return false;
+ }
+ } );
+ if ( $.data( event.target, that.widgetName + "-item" ) === that ) {
+ currentItem = $( event.target );
+ }
+
+ if ( !currentItem ) {
+ return false;
+ }
+ if ( this.options.handle && !overrideHandle ) {
+ $( this.options.handle, currentItem ).find( "*" ).addBack().each( function() {
+ if ( this === event.target ) {
+ validHandle = true;
+ }
+ } );
+ if ( !validHandle ) {
+ return false;
+ }
+ }
+
+ this.currentItem = currentItem;
+ this._removeCurrentsFromItems();
+ return true;
+
+ },
+
+ _mouseStart: function( event, overrideHandle, noActivation ) {
+
+ var i, body,
+ o = this.options;
+
+ this.currentContainer = this;
+
+ //We only need to call refreshPositions, because the refreshItems call has been moved to
+ // mouseCapture
+ this.refreshPositions();
+
+ //Create and append the visible helper
+ this.helper = this._createHelper( event );
+
+ //Cache the helper size
+ this._cacheHelperProportions();
+
+ /*
+ * - Position generation -
+ * This block generates everything position related - it's the core of draggables.
+ */
+
+ //Cache the margins of the original element
+ this._cacheMargins();
+
+ //Get the next scrolling parent
+ this.scrollParent = this.helper.scrollParent();
+
+ //The element's absolute position on the page minus margins
+ this.offset = this.currentItem.offset();
+ this.offset = {
+ top: this.offset.top - this.margins.top,
+ left: this.offset.left - this.margins.left
+ };
+
+ $.extend( this.offset, {
+ click: { //Where the click happened, relative to the element
+ left: event.pageX - this.offset.left,
+ top: event.pageY - this.offset.top
+ },
+ parent: this._getParentOffset(),
+
+ // This is a relative to absolute position minus the actual position calculation -
+ // only used for relative positioned helper
+ relative: this._getRelativeOffset()
+ } );
+
+ // Only after we got the offset, we can change the helper's position to absolute
+ // TODO: Still need to figure out a way to make relative sorting possible
+ this.helper.css( "position", "absolute" );
+ this.cssPosition = this.helper.css( "position" );
+
+ //Generate the original position
+ this.originalPosition = this._generatePosition( event );
+ this.originalPageX = event.pageX;
+ this.originalPageY = event.pageY;
+
+ //Adjust the mouse offset relative to the helper if "cursorAt" is supplied
+ ( o.cursorAt && this._adjustOffsetFromHelper( o.cursorAt ) );
+
+ //Cache the former DOM position
+ this.domPosition = {
+ prev: this.currentItem.prev()[ 0 ],
+ parent: this.currentItem.parent()[ 0 ]
+ };
+
+ // 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
+ if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
+ this.currentItem.hide();
+ }
+
+ //Create the placeholder
+ this._createPlaceholder();
+
+ //Set a containment if given in the options
+ if ( o.containment ) {
+ this._setContainment();
+ }
+
+ if ( o.cursor && o.cursor !== "auto" ) { // cursor option
+ body = this.document.find( "body" );
+
+ // Support: IE
+ this.storedCursor = body.css( "cursor" );
+ body.css( "cursor", o.cursor );
+
+ this.storedStylesheet =
+ $( "<style>*{ cursor: " + o.cursor + " !important; }</style>" ).appendTo( body );
+ }
+
+ if ( o.opacity ) { // opacity option
+ if ( this.helper.css( "opacity" ) ) {
+ this._storedOpacity = this.helper.css( "opacity" );
+ }
+ this.helper.css( "opacity", o.opacity );
+ }
+
+ if ( o.zIndex ) { // zIndex option
+ if ( this.helper.css( "zIndex" ) ) {
+ this._storedZIndex = this.helper.css( "zIndex" );
+ }
+ this.helper.css( "zIndex", o.zIndex );
+ }
+
+ //Prepare scrolling
+ if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
+ this.scrollParent[ 0 ].tagName !== "HTML" ) {
+ this.overflowOffset = this.scrollParent.offset();
+ }
+
+ //Call callbacks
+ this._trigger( "start", event, this._uiHash() );
+
+ //Recache the helper size
+ if ( !this._preserveHelperProportions ) {
+ this._cacheHelperProportions();
+ }
+
+ //Post "activate" events to possible containers
+ if ( !noActivation ) {
+ for ( i = this.containers.length - 1; i >= 0; i-- ) {
+ this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
+ }
+ }
+
+ //Prepare possible droppables
+ if ( $.ui.ddmanager ) {
+ $.ui.ddmanager.current = this;
+ }
+
+ if ( $.ui.ddmanager && !o.dropBehaviour ) {
+ $.ui.ddmanager.prepareOffsets( this, event );
+ }
+
+ this.dragging = true;
+
+ this._addClass( this.helper, "ui-sortable-helper" );
+
+ // Execute the drag once - this causes the helper not to be visiblebefore getting its
+ // correct position
+ this._mouseDrag( event );
+ return true;
+
+ },
+
+ _mouseDrag: function( event ) {
+ var i, item, itemElement, intersection,
+ o = this.options,
+ scrolled = false;
+
+ //Compute the helpers position
+ this.position = this._generatePosition( event );
+ this.positionAbs = this._convertPositionTo( "absolute" );
+
+ if ( !this.lastPositionAbs ) {
+ this.lastPositionAbs = this.positionAbs;
+ }
+
+ //Do scrolling
+ if ( this.options.scroll ) {
+ if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
+ this.scrollParent[ 0 ].tagName !== "HTML" ) {
+
+ if ( ( this.overflowOffset.top + this.scrollParent[ 0 ].offsetHeight ) -
+ event.pageY < o.scrollSensitivity ) {
+ this.scrollParent[ 0 ].scrollTop =
+ scrolled = this.scrollParent[ 0 ].scrollTop + o.scrollSpeed;
+ } else if ( event.pageY - this.overflowOffset.top < o.scrollSensitivity ) {
+ this.scrollParent[ 0 ].scrollTop =
+ scrolled = this.scrollParent[ 0 ].scrollTop - o.scrollSpeed;
+ }
+
+ if ( ( this.overflowOffset.left + this.scrollParent[ 0 ].offsetWidth ) -
+ event.pageX < o.scrollSensitivity ) {
+ this.scrollParent[ 0 ].scrollLeft = scrolled =
+ this.scrollParent[ 0 ].scrollLeft + o.scrollSpeed;
+ } else if ( event.pageX - this.overflowOffset.left < o.scrollSensitivity ) {
+ this.scrollParent[ 0 ].scrollLeft = scrolled =
+ this.scrollParent[ 0 ].scrollLeft - o.scrollSpeed;
+ }
+
+ } else {
+
+ if ( event.pageY - this.document.scrollTop() < o.scrollSensitivity ) {
+ scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed );
+ } else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) <
+ o.scrollSensitivity ) {
+ scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed );
+ }
+
+ if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) {
+ scrolled = this.document.scrollLeft(
+ this.document.scrollLeft() - o.scrollSpeed
+ );
+ } else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) <
+ o.scrollSensitivity ) {
+ scrolled = this.document.scrollLeft(
+ this.document.scrollLeft() + o.scrollSpeed
+ );
+ }
+
+ }
+
+ if ( scrolled !== false && $.ui.ddmanager && !o.dropBehaviour ) {
+ $.ui.ddmanager.prepareOffsets( this, event );
+ }
+ }
+
+ //Regenerate the absolute position used for position checks
+ this.positionAbs = this._convertPositionTo( "absolute" );
+
+ //Set the helper position
+ if ( !this.options.axis || this.options.axis !== "y" ) {
+ this.helper[ 0 ].style.left = this.position.left + "px";
+ }
+ if ( !this.options.axis || this.options.axis !== "x" ) {
+ this.helper[ 0 ].style.top = this.position.top + "px";
+ }
+
+ //Rearrange
+ for ( i = this.items.length - 1; i >= 0; i-- ) {
+
+ //Cache variables and intersection, continue if no intersection
+ item = this.items[ i ];
+ itemElement = item.item[ 0 ];
+ intersection = this._intersectsWithPointer( item );
+ if ( !intersection ) {
+ continue;
+ }
+
+ // Only put the placeholder inside the current Container, skip all
+ // items from other containers. This works because when moving
+ // an item from one container to another the
+ // currentContainer is switched before the placeholder is moved.
+ //
+ // Without this, moving items in "sub-sortables" can cause
+ // the placeholder to jitter between the outer and inner container.
+ if ( item.instance !== this.currentContainer ) {
+ continue;
+ }
+
+ // Cannot intersect with itself
+ // no useless actions that have been done before
+ // no action if the item moved is the parent of the item checked
+ if ( itemElement !== this.currentItem[ 0 ] &&
+ this.placeholder[ intersection === 1 ? "next" : "prev" ]()[ 0 ] !== itemElement &&
+ !$.contains( this.placeholder[ 0 ], itemElement ) &&
+ ( this.options.type === "semi-dynamic" ?
+ !$.contains( this.element[ 0 ], itemElement ) :
+ true
+ )
+ ) {
+
+ this.direction = intersection === 1 ? "down" : "up";
+
+ if ( this.options.tolerance === "pointer" || this._intersectsWithSides( item ) ) {
+ this._rearrange( event, item );
+ } else {
+ break;
+ }
+
+ this._trigger( "change", event, this._uiHash() );
+ break;
+ }
+ }
+
+ //Post events to containers
+ this._contactContainers( event );
+
+ //Interconnect with droppables
+ if ( $.ui.ddmanager ) {
+ $.ui.ddmanager.drag( this, event );
+ }
+
+ //Call callbacks
+ this._trigger( "sort", event, this._uiHash() );
+
+ this.lastPositionAbs = this.positionAbs;
+ return false;
+
+ },
+
+ _mouseStop: function( event, noPropagation ) {
+
+ if ( !event ) {
+ return;
+ }
+
+ //If we are using droppables, inform the manager about the drop
+ if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
+ $.ui.ddmanager.drop( this, event );
+ }
+
+ if ( this.options.revert ) {
+ var that = this,
+ cur = this.placeholder.offset(),
+ axis = this.options.axis,
+ animation = {};
+
+ if ( !axis || axis === "x" ) {
+ animation.left = cur.left - this.offset.parent.left - this.margins.left +
+ ( this.offsetParent[ 0 ] === this.document[ 0 ].body ?
+ 0 :
+ this.offsetParent[ 0 ].scrollLeft
+ );
+ }
+ if ( !axis || axis === "y" ) {
+ animation.top = cur.top - this.offset.parent.top - this.margins.top +
+ ( this.offsetParent[ 0 ] === this.document[ 0 ].body ?
+ 0 :
+ this.offsetParent[ 0 ].scrollTop
+ );
+ }
+ this.reverting = true;
+ $( this.helper ).animate(
+ animation,
+ parseInt( this.options.revert, 10 ) || 500,
+ function() {
+ that._clear( event );
+ }
+ );
+ } else {
+ this._clear( event, noPropagation );
+ }
+
+ return false;
+
+ },
+
+ cancel: function() {
+
+ if ( this.dragging ) {
+
+ this._mouseUp( new $.Event( "mouseup", { target: null } ) );
+
+ if ( this.options.helper === "original" ) {
+ this.currentItem.css( this._storedCSS );
+ this._removeClass( this.currentItem, "ui-sortable-helper" );
+ } else {
+ this.currentItem.show();
+ }
+
+ //Post deactivating events to containers
+ for ( var i = this.containers.length - 1; i >= 0; i-- ) {
+ this.containers[ i ]._trigger( "deactivate", null, this._uiHash( this ) );
+ if ( this.containers[ i ].containerCache.over ) {
+ this.containers[ i ]._trigger( "out", null, this._uiHash( this ) );
+ this.containers[ i ].containerCache.over = 0;
+ }
+ }
+
+ }
+
+ if ( this.placeholder ) {
+
+ //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
+ // it unbinds ALL events from the original node!
+ if ( this.placeholder[ 0 ].parentNode ) {
+ this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] );
+ }
+ if ( this.options.helper !== "original" && this.helper &&
+ this.helper[ 0 ].parentNode ) {
+ this.helper.remove();
+ }
+
+ $.extend( this, {
+ helper: null,
+ dragging: false,
+ reverting: false,
+ _noFinalSort: null
+ } );
+
+ if ( this.domPosition.prev ) {
+ $( this.domPosition.prev ).after( this.currentItem );
+ } else {
+ $( this.domPosition.parent ).prepend( this.currentItem );
+ }
+ }
+
+ return this;
+
+ },
+
+ serialize: function( o ) {
+
+ var items = this._getItemsAsjQuery( o && o.connected ),
+ str = [];
+ o = o || {};
+
+ $( items ).each( function() {
+ var res = ( $( o.item || this ).attr( o.attribute || "id" ) || "" )
+ .match( o.expression || ( /(.+)[\-=_](.+)/ ) );
+ if ( res ) {
+ str.push(
+ ( o.key || res[ 1 ] + "[]" ) +
+ "=" + ( o.key && o.expression ? res[ 1 ] : res[ 2 ] ) );
+ }
+ } );
+
+ if ( !str.length && o.key ) {
+ str.push( o.key + "=" );
+ }
+
+ return str.join( "&" );
+
+ },
+
+ toArray: function( o ) {
+
+ var items = this._getItemsAsjQuery( o && o.connected ),
+ ret = [];
+
+ o = o || {};
+
+ items.each( function() {
+ ret.push( $( o.item || this ).attr( o.attribute || "id" ) || "" );
+ } );
+ return ret;
+
+ },
+
+ /* Be careful with the following core functions */
+ _intersectsWith: function( item ) {
+
+ var x1 = this.positionAbs.left,
+ x2 = x1 + this.helperProportions.width,
+ y1 = this.positionAbs.top,
+ y2 = y1 + this.helperProportions.height,
+ l = item.left,
+ r = l + item.width,
+ t = item.top,
+ b = t + item.height,
+ dyClick = this.offset.click.top,
+ dxClick = this.offset.click.left,
+ isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t &&
+ ( y1 + dyClick ) < b ),
+ isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l &&
+ ( x1 + dxClick ) < r ),
+ isOverElement = isOverElementHeight && isOverElementWidth;
+
+ if ( this.options.tolerance === "pointer" ||
+ this.options.forcePointerForContainers ||
+ ( this.options.tolerance !== "pointer" &&
+ this.helperProportions[ this.floating ? "width" : "height" ] >
+ item[ this.floating ? "width" : "height" ] )
+ ) {
+ return isOverElement;
+ } else {
+
+ return ( l < x1 + ( this.helperProportions.width / 2 ) && // Right Half
+ x2 - ( this.helperProportions.width / 2 ) < r && // Left Half
+ t < y1 + ( this.helperProportions.height / 2 ) && // Bottom Half
+ y2 - ( this.helperProportions.height / 2 ) < b ); // Top Half
+
+ }
+ },
+
+ _intersectsWithPointer: function( item ) {
+ var verticalDirection, horizontalDirection,
+ isOverElementHeight = ( this.options.axis === "x" ) ||
+ this._isOverAxis(
+ this.positionAbs.top + this.offset.click.top, item.top, item.height ),
+ isOverElementWidth = ( this.options.axis === "y" ) ||
+ this._isOverAxis(
+ this.positionAbs.left + this.offset.click.left, item.left, item.width ),
+ isOverElement = isOverElementHeight && isOverElementWidth;
+
+ if ( !isOverElement ) {
+ return false;
+ }
+
+ verticalDirection = this._getDragVerticalDirection();
+ horizontalDirection = this._getDragHorizontalDirection();
+
+ return this.floating ?
+ ( ( horizontalDirection === "right" || verticalDirection === "down" ) ? 2 : 1 )
+ : ( verticalDirection && ( verticalDirection === "down" ? 2 : 1 ) );
+
+ },
+
+ _intersectsWithSides: function( item ) {
+
+ var isOverBottomHalf = this._isOverAxis( this.positionAbs.top +
+ this.offset.click.top, item.top + ( item.height / 2 ), item.height ),
+ isOverRightHalf = this._isOverAxis( this.positionAbs.left +
+ this.offset.click.left, item.left + ( item.width / 2 ), item.width ),
+ verticalDirection = this._getDragVerticalDirection(),
+ horizontalDirection = this._getDragHorizontalDirection();
+
+ if ( this.floating && horizontalDirection ) {
+ return ( ( horizontalDirection === "right" && isOverRightHalf ) ||
+ ( horizontalDirection === "left" && !isOverRightHalf ) );
+ } else {
+ return verticalDirection && ( ( verticalDirection === "down" && isOverBottomHalf ) ||
+ ( verticalDirection === "up" && !isOverBottomHalf ) );
+ }
+
+ },
+
+ _getDragVerticalDirection: function() {
+ var delta = this.positionAbs.top - this.lastPositionAbs.top;
+ return delta !== 0 && ( delta > 0 ? "down" : "up" );
+ },
+
+ _getDragHorizontalDirection: function() {
+ var delta = this.positionAbs.left - this.lastPositionAbs.left;
+ return delta !== 0 && ( delta > 0 ? "right" : "left" );
+ },
+
+ refresh: function( event ) {
+ this._refreshItems( event );
+ this._setHandleClassName();
+ this.refreshPositions();
+ return this;
+ },
+
+ _connectWith: function() {
+ var options = this.options;
+ return options.connectWith.constructor === String ?
+ [ options.connectWith ] :
+ options.connectWith;
+ },
+
+ _getItemsAsjQuery: function( connected ) {
+
+ var i, j, cur, inst,
+ items = [],
+ queries = [],
+ connectWith = this._connectWith();
+
+ if ( connectWith && connected ) {
+ for ( i = connectWith.length - 1; i >= 0; i-- ) {
+ cur = $( connectWith[ i ], this.document[ 0 ] );
+ for ( j = cur.length - 1; j >= 0; j-- ) {
+ inst = $.data( cur[ j ], this.widgetFullName );
+ if ( inst && inst !== this && !inst.options.disabled ) {
+ 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 ] );
+ }
+ }
+ }
+ }
+
+ 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 ] );
+
+ function addItems() {
+ items.push( this );
+ }
+ for ( i = queries.length - 1; i >= 0; i-- ) {
+ queries[ i ][ 0 ].each( addItems );
+ }
+
+ return $( items );
+
+ },
+
+ _removeCurrentsFromItems: function() {
+
+ var list = this.currentItem.find( ":data(" + this.widgetName + "-item)" );
+
+ this.items = $.grep( this.items, function( item ) {
+ for ( var j = 0; j < list.length; j++ ) {
+ if ( list[ j ] === item.item[ 0 ] ) {
+ return false;
+ }
+ }
+ return true;
+ } );
+
+ },
+
+ _refreshItems: function( event ) {
+
+ this.items = [];
+ this.containers = [ this ];
+
+ var i, j, cur, inst, targetData, _queries, item, queriesLength,
+ items = this.items,
+ queries = [ [ $.isFunction( this.options.items ) ?
+ this.options.items.call( this.element[ 0 ], event, { item: this.currentItem } ) :
+ $( this.options.items, this.element ), this ] ],
+ connectWith = this._connectWith();
+
+ //Shouldn't be run the first time through due to massive slow-down
+ if ( connectWith && this.ready ) {
+ for ( i = connectWith.length - 1; i >= 0; i-- ) {
+ cur = $( connectWith[ i ], this.document[ 0 ] );
+ for ( j = cur.length - 1; j >= 0; j-- ) {
+ inst = $.data( cur[ j ], this.widgetFullName );
+ if ( inst && inst !== this && !inst.options.disabled ) {
+ queries.push( [ $.isFunction( inst.options.items ) ?
+ inst.options.items
+ .call( inst.element[ 0 ], event, { item: this.currentItem } ) :
+ $( inst.options.items, inst.element ), inst ] );
+ this.containers.push( inst );
+ }
+ }
+ }
+ }
+
+ for ( i = queries.length - 1; i >= 0; i-- ) {
+ targetData = queries[ i ][ 1 ];
+ _queries = queries[ i ][ 0 ];
+
+ for ( j = 0, queriesLength = _queries.length; j < queriesLength; j++ ) {
+ item = $( _queries[ j ] );
+
+ // Data for target checking (mouse manager)
+ item.data( this.widgetName + "-item", targetData );
+
+ items.push( {
+ item: item,
+ instance: targetData,
+ width: 0, height: 0,
+ left: 0, top: 0
+ } );
+ }
+ }
+
+ },
+
+ refreshPositions: function( fast ) {
+
+ // Determine whether items are being displayed horizontally
+ this.floating = this.items.length ?
+ this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
+ false;
+
+ //This has to be redone because due to the item being moved out/into the offsetParent,
+ // the offsetParent's position will change
+ if ( this.offsetParent && this.helper ) {
+ this.offset.parent = this._getParentOffset();
+ }
+
+ var i, item, t, p;
+
+ for ( i = this.items.length - 1; i >= 0; i-- ) {
+ item = this.items[ i ];
+
+ //We ignore calculating positions of all connected containers when we're not over them
+ if ( item.instance !== this.currentContainer && this.currentContainer &&
+ item.item[ 0 ] !== this.currentItem[ 0 ] ) {
+ continue;
+ }
+
+ t = this.options.toleranceElement ?
+ $( this.options.toleranceElement, item.item ) :
+ item.item;
+
+ if ( !fast ) {
+ item.width = t.outerWidth();
+ item.height = t.outerHeight();
+ }
+
+ p = t.offset();
+ item.left = p.left;
+ item.top = p.top;
+ }
+
+ if ( this.options.custom && this.options.custom.refreshContainers ) {
+ this.options.custom.refreshContainers.call( this );
+ } else {
+ for ( i = this.containers.length - 1; i >= 0; i-- ) {
+ p = this.containers[ i ].element.offset();
+ this.containers[ i ].containerCache.left = p.left;
+ this.containers[ i ].containerCache.top = p.top;
+ this.containers[ i ].containerCache.width =
+ this.containers[ i ].element.outerWidth();
+ this.containers[ i ].containerCache.height =
+ this.containers[ i ].element.outerHeight();
+ }
+ }
+
+ return this;
+ },
+
+ _createPlaceholder: function( that ) {
+ that = that || this;
+ var className,
+ o = that.options;
+
+ if ( !o.placeholder || o.placeholder.constructor === String ) {
+ className = o.placeholder;
+ o.placeholder = {
+ element: function() {
+
+ var nodeName = that.currentItem[ 0 ].nodeName.toLowerCase(),
+ element = $( "<" + nodeName + ">", that.document[ 0 ] );
+
+ that._addClass( element, "ui-sortable-placeholder",
+ className || that.currentItem[ 0 ].className )
+ ._removeClass( element, "ui-sortable-helper" );
+
+ if ( nodeName === "tbody" ) {
+ that._createTrPlaceholder(
+ that.currentItem.find( "tr" ).eq( 0 ),
+ $( "<tr>", that.document[ 0 ] ).appendTo( element )
+ );
+ } else if ( nodeName === "tr" ) {
+ that._createTrPlaceholder( that.currentItem, element );
+ } else if ( nodeName === "img" ) {
+ element.attr( "src", that.currentItem.attr( "src" ) );
+ }
+
+ if ( !className ) {
+ element.css( "visibility", "hidden" );
+ }
+
+ return element;
+ },
+ update: function( container, p ) {
+
+ // 1. If a className is set as 'placeholder option, we don't force sizes -
+ // the class is responsible for that
+ // 2. The option 'forcePlaceholderSize can be enabled to force it even if a
+ // class name is specified
+ if ( className && !o.forcePlaceholderSize ) {
+ return;
+ }
+
+ //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
+ if ( !p.height() ) {
+ p.height(
+ that.currentItem.innerHeight() -
+ parseInt( that.currentItem.css( "paddingTop" ) || 0, 10 ) -
+ parseInt( that.currentItem.css( "paddingBottom" ) || 0, 10 ) );
+ }
+ if ( !p.width() ) {
+ p.width(
+ that.currentItem.innerWidth() -
+ parseInt( that.currentItem.css( "paddingLeft" ) || 0, 10 ) -
+ parseInt( that.currentItem.css( "paddingRight" ) || 0, 10 ) );
+ }
+ }
+ };
+ }
+
+ //Create the placeholder
+ that.placeholder = $( o.placeholder.element.call( that.element, that.currentItem ) );
+
+ //Append it after the actual current item
+ that.currentItem.after( that.placeholder );
+
+ //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
+ o.placeholder.update( that, that.placeholder );
+
+ },
+
+ _createTrPlaceholder: function( sourceTr, targetTr ) {
+ var that = this;
+
+ sourceTr.children().each( function() {
+ $( "<td> </td>", that.document[ 0 ] )
+ .attr( "colspan", $( this ).attr( "colspan" ) || 1 )
+ .appendTo( targetTr );
+ } );
+ },
+
+ _contactContainers: function( event ) {
+ var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom,
+ floating, axis,
+ innermostContainer = null,
+ innermostIndex = null;
+
+ // Get innermost container that intersects with item
+ for ( i = this.containers.length - 1; i >= 0; i-- ) {
+
+ // Never consider a container that's located within the item itself
+ if ( $.contains( this.currentItem[ 0 ], this.containers[ i ].element[ 0 ] ) ) {
+ continue;
+ }
+
+ if ( this._intersectsWith( this.containers[ i ].containerCache ) ) {
+
+ // If we've already found a container and it's more "inner" than this, then continue
+ if ( innermostContainer &&
+ $.contains(
+ this.containers[ i ].element[ 0 ],
+ innermostContainer.element[ 0 ] ) ) {
+ continue;
+ }
+
+ innermostContainer = this.containers[ i ];
+ innermostIndex = i;
+
+ } else {
+
+ // container doesn't intersect. trigger "out" event if necessary
+ if ( this.containers[ i ].containerCache.over ) {
+ this.containers[ i ]._trigger( "out", event, this._uiHash( this ) );
+ this.containers[ i ].containerCache.over = 0;
+ }
+ }
+
+ }
+
+ // If no intersecting containers found, return
+ if ( !innermostContainer ) {
+ return;
+ }
+
+ // Move the item into the container if it's not there already
+ if ( this.containers.length === 1 ) {
+ if ( !this.containers[ innermostIndex ].containerCache.over ) {
+ this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
+ this.containers[ innermostIndex ].containerCache.over = 1;
+ }
+ } else {
+
+ // When entering a new container, we will find the item with the least distance and
+ // append our item near it
+ dist = 10000;
+ itemWithLeastDistance = null;
+ floating = innermostContainer.floating || this._isFloating( this.currentItem );
+ posProperty = floating ? "left" : "top";
+ sizeProperty = floating ? "width" : "height";
+ axis = floating ? "pageX" : "pageY";
+
+ for ( j = this.items.length - 1; j >= 0; j-- ) {
+ if ( !$.contains(
+ this.containers[ innermostIndex ].element[ 0 ], this.items[ j ].item[ 0 ] )
+ ) {
+ continue;
+ }
+ if ( this.items[ j ].item[ 0 ] === this.currentItem[ 0 ] ) {
+ continue;
+ }
+
+ cur = this.items[ j ].item.offset()[ posProperty ];
+ nearBottom = false;
+ if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) {
+ nearBottom = true;
+ }
+
+ if ( Math.abs( event[ axis ] - cur ) < dist ) {
+ dist = Math.abs( event[ axis ] - cur );
+ itemWithLeastDistance = this.items[ j ];
+ this.direction = nearBottom ? "up" : "down";
+ }
+ }
+
+ //Check if dropOnEmpty is enabled
+ if ( !itemWithLeastDistance && !this.options.dropOnEmpty ) {
+ return;
+ }
+
+ if ( this.currentContainer === this.containers[ innermostIndex ] ) {
+ if ( !this.currentContainer.containerCache.over ) {
+ this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() );
+ this.currentContainer.containerCache.over = 1;
+ }
+ return;
+ }
+
+ itemWithLeastDistance ?
+ this._rearrange( event, itemWithLeastDistance, null, true ) :
+ this._rearrange( event, null, this.containers[ innermostIndex ].element, true );
+ this._trigger( "change", event, this._uiHash() );
+ this.containers[ innermostIndex ]._trigger( "change", event, this._uiHash( this ) );
+ this.currentContainer = this.containers[ innermostIndex ];
+
+ //Update the placeholder
+ this.options.placeholder.update( this.currentContainer, this.placeholder );
+
+ this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) );
+ this.containers[ innermostIndex ].containerCache.over = 1;
+ }
+
+ },
+
+ _createHelper: function( event ) {
+
+ var o = this.options,
+ helper = $.isFunction( o.helper ) ?
+ $( o.helper.apply( this.element[ 0 ], [ event, this.currentItem ] ) ) :
+ ( o.helper === "clone" ? this.currentItem.clone() : this.currentItem );
+
+ //Add the helper to the DOM if that didn't happen already
+ if ( !helper.parents( "body" ).length ) {
+ $( o.appendTo !== "parent" ?
+ o.appendTo :
+ this.currentItem[ 0 ].parentNode )[ 0 ].appendChild( helper[ 0 ] );
+ }
+
+ if ( helper[ 0 ] === this.currentItem[ 0 ] ) {
+ 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" )
+ };
+ }
+
+ if ( !helper[ 0 ].style.width || o.forceHelperSize ) {
+ helper.width( this.currentItem.width() );
+ }
+ if ( !helper[ 0 ].style.height || o.forceHelperSize ) {
+ helper.height( this.currentItem.height() );
+ }
+
+ return helper;
+
+ },
+
+ _adjustOffsetFromHelper: function( obj ) {
+ if ( typeof obj === "string" ) {
+ obj = obj.split( " " );
+ }
+ if ( $.isArray( obj ) ) {
+ obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
+ }
+ if ( "left" in obj ) {
+ this.offset.click.left = obj.left + this.margins.left;
+ }
+ if ( "right" in obj ) {
+ this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
+ }
+ if ( "top" in obj ) {
+ this.offset.click.top = obj.top + this.margins.top;
+ }
+ if ( "bottom" in obj ) {
+ this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
+ }
+ },
+
+ _getParentOffset: function() {
+
+ //Get the offsetParent and cache its position
+ this.offsetParent = this.helper.offsetParent();
+ var po = this.offsetParent.offset();
+
+ // This is a special case where we need to modify a offset calculated on start, since the
+ // following happened:
+ // 1. The position of the helper is absolute, so it's position is calculated based on the
+ // next positioned parent
+ // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
+ // the document, which means that the scroll is included in the initial calculation of the
+ // offset of the parent, and never recalculated upon drag
+ if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== this.document[ 0 ] &&
+ $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
+ po.left += this.scrollParent.scrollLeft();
+ po.top += this.scrollParent.scrollTop();
+ }
+
+ // This needs to be actually done for all browsers, since pageX/pageY includes this
+ // information with an ugly IE fix
+ if ( this.offsetParent[ 0 ] === this.document[ 0 ].body ||
+ ( this.offsetParent[ 0 ].tagName &&
+ this.offsetParent[ 0 ].tagName.toLowerCase() === "html" && $.ui.ie ) ) {
+ po = { top: 0, left: 0 };
+ }
+
+ return {
+ top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
+ left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
+ };
+
+ },
+
+ _getRelativeOffset: function() {
+
+ if ( this.cssPosition === "relative" ) {
+ var p = this.currentItem.position();
+ return {
+ top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
+ this.scrollParent.scrollTop(),
+ left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
+ this.scrollParent.scrollLeft()
+ };
+ } else {
+ return { top: 0, left: 0 };
+ }
+
+ },
+
+ _cacheMargins: function() {
+ this.margins = {
+ left: ( parseInt( this.currentItem.css( "marginLeft" ), 10 ) || 0 ),
+ top: ( parseInt( this.currentItem.css( "marginTop" ), 10 ) || 0 )
+ };
+ },
+
+ _cacheHelperProportions: function() {
+ this.helperProportions = {
+ width: this.helper.outerWidth(),
+ height: this.helper.outerHeight()
+ };
+ },
+
+ _setContainment: function() {
+
+ var ce, co, over,
+ o = this.options;
+ if ( o.containment === "parent" ) {
+ o.containment = this.helper[ 0 ].parentNode;
+ }
+ if ( o.containment === "document" || o.containment === "window" ) {
+ this.containment = [
+ 0 - this.offset.relative.left - this.offset.parent.left,
+ 0 - this.offset.relative.top - this.offset.parent.top,
+ o.containment === "document" ?
+ this.document.width() :
+ this.window.width() - this.helperProportions.width - this.margins.left,
+ ( o.containment === "document" ?
+ ( this.document.height() || document.body.parentNode.scrollHeight ) :
+ this.window.height() || this.document[ 0 ].body.parentNode.scrollHeight
+ ) - this.helperProportions.height - this.margins.top
+ ];
+ }
+
+ if ( !( /^(document|window|parent)$/ ).test( o.containment ) ) {
+ ce = $( o.containment )[ 0 ];
+ co = $( o.containment ).offset();
+ over = ( $( ce ).css( "overflow" ) !== "hidden" );
+
+ this.containment = [
+ co.left + ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) +
+ ( parseInt( $( ce ).css( "paddingLeft" ), 10 ) || 0 ) - this.margins.left,
+ co.top + ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) +
+ ( parseInt( $( ce ).css( "paddingTop" ), 10 ) || 0 ) - this.margins.top,
+ 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,
+ 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
+ ];
+ }
+
+ },
+
+ _convertPositionTo: function( d, pos ) {
+
+ if ( !pos ) {
+ pos = this.position;
+ }
+ var mod = d === "absolute" ? 1 : -1,
+ scroll = this.cssPosition === "absolute" &&
+ !( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
+ $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
+ this.offsetParent :
+ this.scrollParent,
+ scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );
+
+ return {
+ top: (
+
+ // The absolute mouse position
+ pos.top +
+
+ // Only for relative positioned nodes: Relative offset from element to offset parent
+ this.offset.relative.top * mod +
+
+ // The offsetParent's offset without borders (offset + border)
+ this.offset.parent.top * mod -
+ ( ( this.cssPosition === "fixed" ?
+ -this.scrollParent.scrollTop() :
+ ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod )
+ ),
+ left: (
+
+ // The absolute mouse position
+ pos.left +
+
+ // Only for relative positioned nodes: Relative offset from element to offset parent
+ this.offset.relative.left * mod +
+
+ // The offsetParent's offset without borders (offset + border)
+ this.offset.parent.left * mod -
+ ( ( this.cssPosition === "fixed" ?
+ -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 :
+ scroll.scrollLeft() ) * mod )
+ )
+ };
+
+ },
+
+ _generatePosition: function( event ) {
+
+ var top, left,
+ o = this.options,
+ pageX = event.pageX,
+ pageY = event.pageY,
+ scroll = this.cssPosition === "absolute" &&
+ !( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
+ $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
+ this.offsetParent :
+ this.scrollParent,
+ scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );
+
+ // This is another very weird special case that only happens for relative elements:
+ // 1. If the css position is relative
+ // 2. and the scroll parent is the document or similar to the offset parent
+ // we have to refresh the relative offset during the scroll so there are no jumps
+ if ( this.cssPosition === "relative" && !( this.scrollParent[ 0 ] !== this.document[ 0 ] &&
+ this.scrollParent[ 0 ] !== this.offsetParent[ 0 ] ) ) {
+ this.offset.relative = this._getRelativeOffset();
+ }
+
+ /*
+ * - Position constraining -
+ * Constrain the position to a mix of grid, containment.
+ */
+
+ if ( this.originalPosition ) { //If we are not dragging yet, we won't check for options
+
+ if ( this.containment ) {
+ if ( event.pageX - this.offset.click.left < this.containment[ 0 ] ) {
+ pageX = this.containment[ 0 ] + this.offset.click.left;
+ }
+ if ( event.pageY - this.offset.click.top < this.containment[ 1 ] ) {
+ pageY = this.containment[ 1 ] + this.offset.click.top;
+ }
+ if ( event.pageX - this.offset.click.left > this.containment[ 2 ] ) {
+ pageX = this.containment[ 2 ] + this.offset.click.left;
+ }
+ if ( event.pageY - this.offset.click.top > this.containment[ 3 ] ) {
+ pageY = this.containment[ 3 ] + this.offset.click.top;
+ }
+ }
+
+ if ( o.grid ) {
+ top = this.originalPageY + Math.round( ( pageY - this.originalPageY ) /
+ o.grid[ 1 ] ) * o.grid[ 1 ];
+ 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;
+
+ left = this.originalPageX + Math.round( ( pageX - this.originalPageX ) /
+ o.grid[ 0 ] ) * o.grid[ 0 ];
+ 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;
+ }
+
+ }
+
+ return {
+ top: (
+
+ // The absolute mouse position
+ pageY -
+
+ // Click offset (relative to the element)
+ this.offset.click.top -
+
+ // Only for relative positioned nodes: Relative offset from element to offset parent
+ this.offset.relative.top -
+
+ // The offsetParent's offset without borders (offset + border)
+ this.offset.parent.top +
+ ( ( this.cssPosition === "fixed" ?
+ -this.scrollParent.scrollTop() :
+ ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) )
+ ),
+ left: (
+
+ // The absolute mouse position
+ pageX -
+
+ // Click offset (relative to the element)
+ this.offset.click.left -
+
+ // Only for relative positioned nodes: Relative offset from element to offset parent
+ this.offset.relative.left -
+
+ // The offsetParent's offset without borders (offset + border)
+ this.offset.parent.left +
+ ( ( this.cssPosition === "fixed" ?
+ -this.scrollParent.scrollLeft() :
+ scrollIsRootNode ? 0 : scroll.scrollLeft() ) )
+ )
+ };
+
+ },
+
+ _rearrange: function( event, i, a, hardRefresh ) {
+
+ 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 ) );
+
+ //Various things done here to improve the performance:
+ // 1. we create a setTimeout, that calls refreshPositions
+ // 2. on the instance, we have a counter variable, that get's higher after every append
+ // 3. on the local scope, we copy the counter variable, and check in the timeout,
+ // if it's still the same
+ // 4. this lets only the last addition to the timeout stack through
+ this.counter = this.counter ? ++this.counter : 1;
+ var counter = this.counter;
+
+ this._delay( function() {
+ if ( counter === this.counter ) {
+
+ //Precompute after each DOM insertion, NOT on mousemove
+ this.refreshPositions( !hardRefresh );
+ }
+ } );
+
+ },
+
+ _clear: function( event, noPropagation ) {
+
+ this.reverting = false;
+
+ // We delay all events that have to be triggered to after the point where the placeholder
+ // has been removed and everything else normalized again
+ var i,
+ delayedTriggers = [];
+
+ // We first have to update the dom position of the actual currentItem
+ // Note: don't do it if the current item is already removed (by a user), or it gets
+ // reappended (see #4088)
+ if ( !this._noFinalSort && this.currentItem.parent().length ) {
+ this.placeholder.before( this.currentItem );
+ }
+ this._noFinalSort = null;
+
+ if ( this.helper[ 0 ] === this.currentItem[ 0 ] ) {
+ for ( i in this._storedCSS ) {
+ if ( this._storedCSS[ i ] === "auto" || this._storedCSS[ i ] === "static" ) {
+ this._storedCSS[ i ] = "";
+ }
+ }
+ this.currentItem.css( this._storedCSS );
+ this._removeClass( this.currentItem, "ui-sortable-helper" );
+ } else {
+ this.currentItem.show();
+ }
+
+ if ( this.fromOutside && !noPropagation ) {
+ delayedTriggers.push( function( event ) {
+ this._trigger( "receive", event, this._uiHash( this.fromOutside ) );
+ } );
+ }
+ if ( ( this.fromOutside ||
+ this.domPosition.prev !==
+ this.currentItem.prev().not( ".ui-sortable-helper" )[ 0 ] ||
+ this.domPosition.parent !== this.currentItem.parent()[ 0 ] ) && !noPropagation ) {
+
+ // Trigger update callback if the DOM position has changed
+ delayedTriggers.push( function( event ) {
+ this._trigger( "update", event, this._uiHash() );
+ } );
+ }
+
+ // Check if the items Container has Changed and trigger appropriate
+ // events.
+ if ( this !== this.currentContainer ) {
+ if ( !noPropagation ) {
+ delayedTriggers.push( function( event ) {
+ this._trigger( "remove", event, this._uiHash() );
+ } );
+ delayedTriggers.push( ( function( c ) {
+ return function( event ) {
+ c._trigger( "receive", event, this._uiHash( this ) );
+ };
+ } ).call( this, this.currentContainer ) );
+ delayedTriggers.push( ( function( c ) {
+ return function( event ) {
+ c._trigger( "update", event, this._uiHash( this ) );
+ };
+ } ).call( this, this.currentContainer ) );
+ }
+ }
+
+ //Post events to containers
+ function delayEvent( type, instance, container ) {
+ return function( event ) {
+ container._trigger( type, event, instance._uiHash( instance ) );
+ };
+ }
+ for ( i = this.containers.length - 1; i >= 0; i-- ) {
+ if ( !noPropagation ) {
+ delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) );
+ }
+ if ( this.containers[ i ].containerCache.over ) {
+ delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) );
+ this.containers[ i ].containerCache.over = 0;
+ }
+ }
+
+ //Do what was originally in plugins
+ if ( this.storedCursor ) {
+ this.document.find( "body" ).css( "cursor", this.storedCursor );
+ this.storedStylesheet.remove();
+ }
+ if ( this._storedOpacity ) {
+ this.helper.css( "opacity", this._storedOpacity );
+ }
+ if ( this._storedZIndex ) {
+ this.helper.css( "zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex );
+ }
+
+ this.dragging = false;
+
+ if ( !noPropagation ) {
+ this._trigger( "beforeStop", event, this._uiHash() );
+ }
+
+ //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately,
+ // it unbinds ALL events from the original node!
+ this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] );
+
+ if ( !this.cancelHelperRemoval ) {
+ if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
+ this.helper.remove();
+ }
+ this.helper = null;
+ }
+
+ if ( !noPropagation ) {
+ for ( i = 0; i < delayedTriggers.length; i++ ) {
+
+ // Trigger all delayed events
+ delayedTriggers[ i ].call( this, event );
+ }
+ this._trigger( "stop", event, this._uiHash() );
+ }
+
+ this.fromOutside = false;
+ return !this.cancelHelperRemoval;
+
+ },
+
+ _trigger: function() {
+ if ( $.Widget.prototype._trigger.apply( this, arguments ) === false ) {
+ this.cancel();
+ }
+ },
+
+ _uiHash: function( _inst ) {
+ var inst = _inst || this;
+ return {
+ helper: inst.helper,
+ placeholder: inst.placeholder || $( [] ),
+ position: inst.position,
+ originalPosition: inst.originalPosition,
+ offset: inst.positionAbs,
+ item: inst.currentItem,
+ sender: _inst ? _inst.element : null
+ };
+ }
+
+} );
+
+} ) );