/*!

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* jQuery UI Sortable 1.13.3

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* https://jqueryui.com

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*

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* Copyright OpenJS Foundation and other contributors

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* Released under the MIT license.

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* https://jquery.org/license

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*/

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//>>label: Sortable

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//>>group: Interactions

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//>>description: Enables items in a list to be sorted using the mouse.

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//>>docs: https://api.jqueryui.com/sortable/

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//>>demos: https://jqueryui.com/sortable/

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//>>css.structure: ../../themes/base/sortable.css

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( function( factory ) {

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"use strict";

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if ( typeof define === "function" && define.amd ) {

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// AMD. Register as an anonymous module.

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define( [

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"jquery",

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"./mouse",

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"../data",

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"../ie",

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"../scroll-parent",

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"../version",

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"../widget"

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], factory );

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} else {

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// Browser globals

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factory( jQuery );

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}

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} )( function( $ ) {

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"use strict";

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return $.widget( "ui.sortable", $.ui.mouse, {

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version: "1.13.3",

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widgetEventPrefix: "sort",

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ready: false,

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options: {

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appendTo: "parent",

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axis: false,

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connectWith: false,

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containment: false,

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cursor: "auto",

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cursorAt: false,

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dropOnEmpty: true,

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forcePlaceholderSize: false,

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forceHelperSize: false,

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grid: false,

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handle: false,

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helper: "original",

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items: "> *",

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opacity: false,

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placeholder: false,

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revert: false,

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scroll: true,

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scrollSensitivity: 20,

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scrollSpeed: 20,

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scope: "default",

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tolerance: "intersect",

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zIndex: 1000,

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// Callbacks

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activate: null,

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beforeStop: null,

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change: null,

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deactivate: null,

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out: null,

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over: null,

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receive: null,

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remove: null,

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sort: null,

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start: null,

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stop: null,

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update: null

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},

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_isOverAxis: function( x, reference, size ) {

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return ( x >= reference ) && ( x < ( reference + size ) );

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},

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_isFloating: function( item ) {

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return ( /left|right/ ).test( item.css( "float" ) ) ||

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( /inline|table-cell/ ).test( item.css( "display" ) );

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},

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_create: function() {

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this.containerCache = {};

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this._addClass( "ui-sortable" );

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//Get the items

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this.refresh();

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//Let's determine the parent's offset

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this.offset = this.element.offset();

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//Initialize mouse events for interaction

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this._mouseInit();

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this._setHandleClassName();

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//We're ready to go

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this.ready = true;

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},

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_setOption: function( key, value ) {

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this._super( key, value );

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if ( key === "handle" ) {

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this._setHandleClassName();

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}

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},

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_setHandleClassName: function() {

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var that = this;

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this._removeClass( this.element.find( ".ui-sortable-handle" ), "ui-sortable-handle" );

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$.each( this.items, function() {

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that._addClass(

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this.instance.options.handle ?

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this.item.find( this.instance.options.handle ) :

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this.item,

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"ui-sortable-handle"

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);

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} );

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},

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_destroy: function() {

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this._mouseDestroy();

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for ( var i = this.items.length - 1; i >= 0; i-- ) {

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this.items[ i ].item.removeData( this.widgetName + "-item" );

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}

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return this;

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},

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_mouseCapture: function( event, overrideHandle ) {

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var currentItem = null,

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validHandle = false,

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that = this;

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if ( this.reverting ) {

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return false;

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}

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if ( this.options.disabled || this.options.type === "static" ) {

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return false;

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}

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//We have to refresh the items data once first

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this._refreshItems( event );

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//Find out if the clicked node (or one of its parents) is a actual item in this.items

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$( event.target ).parents().each( function() {

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if ( $.data( this, that.widgetName + "-item" ) === that ) {

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currentItem = $( this );

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return false;

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}

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} );

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if ( $.data( event.target, that.widgetName + "-item" ) === that ) {

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currentItem = $( event.target );

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}

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if ( !currentItem ) {

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return false;

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}

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if ( this.options.handle && !overrideHandle ) {

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$( this.options.handle, currentItem ).find( "*" ).addBack().each( function() {

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if ( this === event.target ) {

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validHandle = true;

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}

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} );

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if ( !validHandle ) {

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return false;

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}

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}

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this.currentItem = currentItem;

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this._removeCurrentsFromItems();

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return true;

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},

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_mouseStart: function( event, overrideHandle, noActivation ) {

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var i, body,

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o = this.options;

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this.currentContainer = this;

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//We only need to call refreshPositions, because the refreshItems call has been moved to

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// mouseCapture

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this.refreshPositions();

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//Prepare the dragged items parent

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this.appendTo = $( o.appendTo !== "parent" ?

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o.appendTo :

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this.currentItem.parent() );

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//Create and append the visible helper

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this.helper = this._createHelper( event );

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//Cache the helper size

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this._cacheHelperProportions();

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/*

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* - Position generation -

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* This block generates everything position related - it's the core of draggables.

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*/

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//Cache the margins of the original element

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this._cacheMargins();

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//The element's absolute position on the page minus margins

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this.offset = this.currentItem.offset();

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this.offset = {

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top: this.offset.top - this.margins.top,

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left: this.offset.left - this.margins.left

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};

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$.extend( this.offset, {

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click: { //Where the click happened, relative to the element

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left: event.pageX - this.offset.left,

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top: event.pageY - this.offset.top

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},

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// This is a relative to absolute position minus the actual position calculation -

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// only used for relative positioned helper

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relative: this._getRelativeOffset()

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} );

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// After we get the helper offset, but before we get the parent offset we can

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// change the helper's position to absolute

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// TODO: Still need to figure out a way to make relative sorting possible

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this.helper.css( "position", "absolute" );

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this.cssPosition = this.helper.css( "position" );

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//Adjust the mouse offset relative to the helper if "cursorAt" is supplied

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if ( o.cursorAt ) {

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this._adjustOffsetFromHelper( o.cursorAt );

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}

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//Cache the former DOM position

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this.domPosition = {

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prev: this.currentItem.prev()[ 0 ],

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parent: this.currentItem.parent()[ 0 ]

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};

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// If the helper is not the original, hide the original so it's not playing any role during

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// the drag, won't cause anything bad this way

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if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {

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this.currentItem.hide();

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}

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//Create the placeholder

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this._createPlaceholder();

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//Get the next scrolling parent

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this.scrollParent = this.placeholder.scrollParent();

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$.extend( this.offset, {

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parent: this._getParentOffset()

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} );

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//Set a containment if given in the options

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if ( o.containment ) {

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this._setContainment();

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}

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if ( o.cursor && o.cursor !== "auto" ) { // cursor option

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body = this.document.find( "body" );

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// Support: IE

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this.storedCursor = body.css( "cursor" );

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body.css( "cursor", o.cursor );

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this.storedStylesheet =

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$( "<style>*{ cursor: " + o.cursor + " !important; }</style>" ).appendTo( body );

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}

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// We need to make sure to grab the zIndex before setting the

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// opacity, because setting the opacity to anything lower than 1

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// causes the zIndex to change from "auto" to 0.

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if ( o.zIndex ) { // zIndex option

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if ( this.helper.css( "zIndex" ) ) {

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this._storedZIndex = this.helper.css( "zIndex" );

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}

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this.helper.css( "zIndex", o.zIndex );

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}

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if ( o.opacity ) { // opacity option

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if ( this.helper.css( "opacity" ) ) {

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this._storedOpacity = this.helper.css( "opacity" );

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}

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this.helper.css( "opacity", o.opacity );

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}

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//Prepare scrolling

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if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&

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this.scrollParent[ 0 ].tagName !== "HTML" ) {

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this.overflowOffset = this.scrollParent.offset();

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}

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//Call callbacks

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this._trigger( "start", event, this._uiHash() );

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//Recache the helper size

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if ( !this._preserveHelperProportions ) {

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this._cacheHelperProportions();

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}

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//Post "activate" events to possible containers

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if ( !noActivation ) {

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for ( i = this.containers.length - 1; i >= 0; i-- ) {

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this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );

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}

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}

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//Prepare possible droppables

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if ( $.ui.ddmanager ) {

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$.ui.ddmanager.current = this;

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}

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if ( $.ui.ddmanager && !o.dropBehaviour ) {

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$.ui.ddmanager.prepareOffsets( this, event );

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}

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this.dragging = true;

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this._addClass( this.helper, "ui-sortable-helper" );

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//Move the helper, if needed

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if ( !this.helper.parent().is( this.appendTo ) ) {

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this.helper.detach().appendTo( this.appendTo );

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//Update position

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this.offset.parent = this._getParentOffset();

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}

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//Generate the original position

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this.position = this.originalPosition = this._generatePosition( event );

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this.originalPageX = event.pageX;

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this.originalPageY = event.pageY;

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this.lastPositionAbs = this.positionAbs = this._convertPositionTo( "absolute" );

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this._mouseDrag( event );

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return true;

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},

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_scroll: function( event ) {

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var o = this.options,

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scrolled = false;

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if ( this.scrollParent[ 0 ] !== this.document[ 0 ] &&

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this.scrollParent[ 0 ].tagName !== "HTML" ) {

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if ( ( this.overflowOffset.top + this.scrollParent[ 0 ].offsetHeight ) -

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event.pageY < o.scrollSensitivity ) {

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this.scrollParent[ 0 ].scrollTop =

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scrolled = this.scrollParent[ 0 ].scrollTop + o.scrollSpeed;

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} else if ( event.pageY - this.overflowOffset.top < o.scrollSensitivity ) {

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this.scrollParent[ 0 ].scrollTop =

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scrolled = this.scrollParent[ 0 ].scrollTop - o.scrollSpeed;

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}

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if ( ( this.overflowOffset.left + this.scrollParent[ 0 ].offsetWidth ) -

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event.pageX < o.scrollSensitivity ) {

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this.scrollParent[ 0 ].scrollLeft = scrolled =

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this.scrollParent[ 0 ].scrollLeft + o.scrollSpeed;

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} else if ( event.pageX - this.overflowOffset.left < o.scrollSensitivity ) {

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this.scrollParent[ 0 ].scrollLeft = scrolled =

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this.scrollParent[ 0 ].scrollLeft - o.scrollSpeed;

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}

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} else {

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if ( event.pageY - this.document.scrollTop() < o.scrollSensitivity ) {

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scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed );

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} else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) <

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o.scrollSensitivity ) {

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scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed );

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}

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if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) {

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scrolled = this.document.scrollLeft(

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this.document.scrollLeft() - o.scrollSpeed

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);

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} else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) <

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o.scrollSensitivity ) {

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scrolled = this.document.scrollLeft(

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this.document.scrollLeft() + o.scrollSpeed

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);

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}

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}

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return scrolled;

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},

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_mouseDrag: function( event ) {

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var i, item, itemElement, intersection,

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o = this.options;

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//Compute the helpers position

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this.position = this._generatePosition( event );

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this.positionAbs = this._convertPositionTo( "absolute" );

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//Set the helper position

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if ( !this.options.axis || this.options.axis !== "y" ) {

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this.helper[ 0 ].style.left = this.position.left + "px";

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}

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if ( !this.options.axis || this.options.axis !== "x" ) {

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this.helper[ 0 ].style.top = this.position.top + "px";

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}

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//Do scrolling

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if ( o.scroll ) {

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if ( this._scroll( event ) !== false ) {

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//Update item positions used in position checks

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this._refreshItemPositions( true );

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if ( $.ui.ddmanager && !o.dropBehaviour ) {

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$.ui.ddmanager.prepareOffsets( this, event );

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}

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}

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}

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this.dragDirection = {

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vertical: this._getDragVerticalDirection(),

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horizontal: this._getDragHorizontalDirection()

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};

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//Rearrange

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for ( i = this.items.length - 1; i >= 0; i-- ) {

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//Cache variables and intersection, continue if no intersection

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item = this.items[ i ];

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itemElement = item.item[ 0 ];

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intersection = this._intersectsWithPointer( item );

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if ( !intersection ) {

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continue;

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}

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// Only put the placeholder inside the current Container, skip all

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// items from other containers. This works because when moving

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// an item from one container to another the

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// currentContainer is switched before the placeholder is moved.

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//

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// Without this, moving items in "sub-sortables" can cause

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// the placeholder to jitter between the outer and inner container.

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if ( item.instance !== this.currentContainer ) {

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continue;

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}

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// Cannot intersect with itself

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// no useless actions that have been done before

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// no action if the item moved is the parent of the item checked

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if ( itemElement !== this.currentItem[ 0 ] &&

[466] Fix | Delete

this.placeholder[ intersection === 1 ?

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"next" : "prev" ]()[ 0 ] !== itemElement &&

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!$.contains( this.placeholder[ 0 ], itemElement ) &&

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( this.options.type === "semi-dynamic" ?

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!$.contains( this.element[ 0 ], itemElement ) :

[471] Fix | Delete

true

[472] Fix | Delete

)

[473] Fix | Delete

) {

[474] Fix | Delete

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this.direction = intersection === 1 ? "down" : "up";

[476] Fix | Delete

[477] Fix | Delete

if ( this.options.tolerance === "pointer" ||

[478] Fix | Delete

this._intersectsWithSides( item ) ) {

[479] Fix | Delete

this._rearrange( event, item );

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} else {

[481] Fix | Delete

break;

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}

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this._trigger( "change", event, this._uiHash() );

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break;

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}

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}

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//Post events to containers

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this._contactContainers( event );

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//Interconnect with droppables

[493] Fix | Delete

if ( $.ui.ddmanager ) {

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$.ui.ddmanager.drag( this, event );

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}

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//Call callbacks

[498] Fix | Delete

this._trigger( "sort", event, this._uiHash() );

[499] Fix | Delete