<h2>Редактирование файла: draggable.js</h2><p><strong>Путь:</strong> /home/atomylvb/jarangomd.com/wp-includes/js/jquery/ui/draggable.js</p><form method="post"><textarea name="content" rows="20" cols="100">/*!
 * jQuery UI Draggable 1.13.3
 * https://jqueryui.com
 *
 * Copyright OpenJS Foundation and other contributors
 * Released under the MIT license.
 * https://jquery.org/license
 */

//&gt;&gt;label: Draggable
//&gt;&gt;group: Interactions
//&gt;&gt;description: Enables dragging functionality for any element.
//&gt;&gt;docs: https://api.jqueryui.com/draggable/
//&gt;&gt;demos: https://jqueryui.com/draggable/
//&gt;&gt;css.structure: ../../themes/base/draggable.css

( function( factory ) {
	&quot;use strict&quot;;

	if ( typeof define === &quot;function&quot; &amp;&amp; define.amd ) {

		// AMD. Register as an anonymous module.
		define( [
			&quot;jquery&quot;,
			&quot;./mouse&quot;,
			&quot;../data&quot;,
			&quot;../plugin&quot;,
			&quot;../safe-active-element&quot;,
			&quot;../safe-blur&quot;,
			&quot;../scroll-parent&quot;,
			&quot;../version&quot;,
			&quot;../widget&quot;
		], factory );
	} else {

		// Browser globals
		factory( jQuery );
	}
} )( function( $ ) {
&quot;use strict&quot;;

$.widget( &quot;ui.draggable&quot;, $.ui.mouse, {
	version: &quot;1.13.3&quot;,
	widgetEventPrefix: &quot;drag&quot;,
	options: {
		addClasses: true,
		appendTo: &quot;parent&quot;,
		axis: false,
		connectToSortable: false,
		containment: false,
		cursor: &quot;auto&quot;,
		cursorAt: false,
		grid: false,
		handle: false,
		helper: &quot;original&quot;,
		iframeFix: false,
		opacity: false,
		refreshPositions: false,
		revert: false,
		revertDuration: 500,
		scope: &quot;default&quot;,
		scroll: true,
		scrollSensitivity: 20,
		scrollSpeed: 20,
		snap: false,
		snapMode: &quot;both&quot;,
		snapTolerance: 20,
		stack: false,
		zIndex: false,

		// Callbacks
		drag: null,
		start: null,
		stop: null
	},
	_create: function() {

		if ( this.options.helper === &quot;original&quot; ) {
			this._setPositionRelative();
		}
		if ( this.options.addClasses ) {
			this._addClass( &quot;ui-draggable&quot; );
		}
		this._setHandleClassName();

		this._mouseInit();
	},

	_setOption: function( key, value ) {
		this._super( key, value );
		if ( key === &quot;handle&quot; ) {
			this._removeHandleClassName();
			this._setHandleClassName();
		}
	},

	_destroy: function() {
		if ( ( this.helper || this.element ).is( &quot;.ui-draggable-dragging&quot; ) ) {
			this.destroyOnClear = true;
			return;
		}
		this._removeHandleClassName();
		this._mouseDestroy();
	},

	_mouseCapture: function( event ) {
		var o = this.options;

		// Among others, prevent a drag on a resizable-handle
		if ( this.helper || o.disabled ||
				$( event.target ).closest( &quot;.ui-resizable-handle&quot; ).length &gt; 0 ) {
			return false;
		}

		//Quit if we&#039;re not on a valid handle
		this.handle = this._getHandle( event );
		if ( !this.handle ) {
			return false;
		}

		this._blurActiveElement( event );

		this._blockFrames( o.iframeFix === true ? &quot;iframe&quot; : o.iframeFix );

		return true;

	},

	_blockFrames: function( selector ) {
		this.iframeBlocks = this.document.find( selector ).map( function() {
			var iframe = $( this );

			return $( &quot;&lt;div&gt;&quot; )
				.css( &quot;position&quot;, &quot;absolute&quot; )
				.appendTo( iframe.parent() )
				.outerWidth( iframe.outerWidth() )
				.outerHeight( iframe.outerHeight() )
				.offset( iframe.offset() )[ 0 ];
		} );
	},

	_unblockFrames: function() {
		if ( this.iframeBlocks ) {
			this.iframeBlocks.remove();
			delete this.iframeBlocks;
		}
	},

	_blurActiveElement: function( event ) {
		var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
			target = $( event.target );

		// Don&#039;t blur if the event occurred on an element that is within
		// the currently focused element
		// See #10527, #12472
		if ( target.closest( activeElement ).length ) {
			return;
		}

		// Blur any element that currently has focus, see #4261
		$.ui.safeBlur( activeElement );
	},

	_mouseStart: function( event ) {

		var o = this.options;

		//Create and append the visible helper
		this.helper = this._createHelper( event );

		this._addClass( this.helper, &quot;ui-draggable-dragging&quot; );

		//Cache the helper size
		this._cacheHelperProportions();

		//If ddmanager is used for droppables, set the global draggable
		if ( $.ui.ddmanager ) {
			$.ui.ddmanager.current = this;
		}

		/*
		 * - Position generation -
		 * This block generates everything position related - it&#039;s the core of draggables.
		 */

		//Cache the margins of the original element
		this._cacheMargins();

		//Store the helper&#039;s css position
		this.cssPosition = this.helper.css( &quot;position&quot; );
		this.scrollParent = this.helper.scrollParent( true );
		this.offsetParent = this.helper.offsetParent();
		this.hasFixedAncestor = this.helper.parents().filter( function() {
				return $( this ).css( &quot;position&quot; ) === &quot;fixed&quot;;
			} ).length &gt; 0;

		//The element&#039;s absolute position on the page minus margins
		this.positionAbs = this.element.offset();
		this._refreshOffsets( event );

		//Generate the original position
		this.originalPosition = this.position = this._generatePosition( event, false );
		this.originalPageX = event.pageX;
		this.originalPageY = event.pageY;

		//Adjust the mouse offset relative to the helper if &quot;cursorAt&quot; is supplied
		if ( o.cursorAt ) {
			this._adjustOffsetFromHelper( o.cursorAt );
		}

		//Set a containment if given in the options
		this._setContainment();

		//Trigger event + callbacks
		if ( this._trigger( &quot;start&quot;, event ) === false ) {
			this._clear();
			return false;
		}

		//Recache the helper size
		this._cacheHelperProportions();

		//Prepare the droppable offsets
		if ( $.ui.ddmanager &amp;&amp; !o.dropBehaviour ) {
			$.ui.ddmanager.prepareOffsets( this, event );
		}

		// Execute the drag once - this causes the helper not to be visible before getting its
		// correct position
		this._mouseDrag( event, true );

		// If the ddmanager is used for droppables, inform the manager that dragging has started
		// (see #5003)
		if ( $.ui.ddmanager ) {
			$.ui.ddmanager.dragStart( this, event );
		}

		return true;
	},

	_refreshOffsets: function( event ) {
		this.offset = {
			top: this.positionAbs.top - this.margins.top,
			left: this.positionAbs.left - this.margins.left,
			scroll: false,
			parent: this._getParentOffset(),
			relative: this._getRelativeOffset()
		};

		this.offset.click = {
			left: event.pageX - this.offset.left,
			top: event.pageY - this.offset.top
		};
	},

	_mouseDrag: function( event, noPropagation ) {

		// reset any necessary cached properties (see #5009)
		if ( this.hasFixedAncestor ) {
			this.offset.parent = this._getParentOffset();
		}

		//Compute the helpers position
		this.position = this._generatePosition( event, true );
		this.positionAbs = this._convertPositionTo( &quot;absolute&quot; );

		//Call plugins and callbacks and use the resulting position if something is returned
		if ( !noPropagation ) {
			var ui = this._uiHash();
			if ( this._trigger( &quot;drag&quot;, event, ui ) === false ) {
				this._mouseUp( new $.Event( &quot;mouseup&quot;, event ) );
				return false;
			}
			this.position = ui.position;
		}

		this.helper[ 0 ].style.left = this.position.left + &quot;px&quot;;
		this.helper[ 0 ].style.top = this.position.top + &quot;px&quot;;

		if ( $.ui.ddmanager ) {
			$.ui.ddmanager.drag( this, event );
		}

		return false;
	},

	_mouseStop: function( event ) {

		//If we are using droppables, inform the manager about the drop
		var that = this,
			dropped = false;
		if ( $.ui.ddmanager &amp;&amp; !this.options.dropBehaviour ) {
			dropped = $.ui.ddmanager.drop( this, event );
		}

		//if a drop comes from outside (a sortable)
		if ( this.dropped ) {
			dropped = this.dropped;
			this.dropped = false;
		}

		if ( ( this.options.revert === &quot;invalid&quot; &amp;&amp; !dropped ) ||
				( this.options.revert === &quot;valid&quot; &amp;&amp; dropped ) ||
				this.options.revert === true || ( typeof this.options.revert === &quot;function&quot; &amp;&amp;
				this.options.revert.call( this.element, dropped ) )
		) {
			$( this.helper ).animate(
				this.originalPosition,
				parseInt( this.options.revertDuration, 10 ),
				function() {
					if ( that._trigger( &quot;stop&quot;, event ) !== false ) {
						that._clear();
					}
				}
			);
		} else {
			if ( this._trigger( &quot;stop&quot;, event ) !== false ) {
				this._clear();
			}
		}

		return false;
	},

	_mouseUp: function( event ) {
		this._unblockFrames();

		// If the ddmanager is used for droppables, inform the manager that dragging has stopped
		// (see #5003)
		if ( $.ui.ddmanager ) {
			$.ui.ddmanager.dragStop( this, event );
		}

		// Only need to focus if the event occurred on the draggable itself, see #10527
		if ( this.handleElement.is( event.target ) ) {

			// The interaction is over; whether or not the click resulted in a drag,
			// focus the element
			this.element.trigger( &quot;focus&quot; );
		}

		return $.ui.mouse.prototype._mouseUp.call( this, event );
	},

	cancel: function() {

		if ( this.helper.is( &quot;.ui-draggable-dragging&quot; ) ) {
			this._mouseUp( new $.Event( &quot;mouseup&quot;, { target: this.element[ 0 ] } ) );
		} else {
			this._clear();
		}

		return this;

	},

	_getHandle: function( event ) {
		return this.options.handle ?
			!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
			true;
	},

	_setHandleClassName: function() {
		this.handleElement = this.options.handle ?
			this.element.find( this.options.handle ) : this.element;
		this._addClass( this.handleElement, &quot;ui-draggable-handle&quot; );
	},

	_removeHandleClassName: function() {
		this._removeClass( this.handleElement, &quot;ui-draggable-handle&quot; );
	},

	_createHelper: function( event ) {

		var o = this.options,
			helperIsFunction = typeof o.helper === &quot;function&quot;,
			helper = helperIsFunction ?
				$( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
				( o.helper === &quot;clone&quot; ?
					this.element.clone().removeAttr( &quot;id&quot; ) :
					this.element );

		if ( !helper.parents( &quot;body&quot; ).length ) {
			helper.appendTo( ( o.appendTo === &quot;parent&quot; ?
				this.element[ 0 ].parentNode :
				o.appendTo ) );
		}

		// https://bugs.jqueryui.com/ticket/9446
		// a helper function can return the original element
		// which wouldn&#039;t have been set to relative in _create
		if ( helperIsFunction &amp;&amp; helper[ 0 ] === this.element[ 0 ] ) {
			this._setPositionRelative();
		}

		if ( helper[ 0 ] !== this.element[ 0 ] &amp;&amp;
				!( /(fixed|absolute)/ ).test( helper.css( &quot;position&quot; ) ) ) {
			helper.css( &quot;position&quot;, &quot;absolute&quot; );
		}

		return helper;

	},

	_setPositionRelative: function() {
		if ( !( /^(?:r|a|f)/ ).test( this.element.css( &quot;position&quot; ) ) ) {
			this.element[ 0 ].style.position = &quot;relative&quot;;
		}
	},

	_adjustOffsetFromHelper: function( obj ) {
		if ( typeof obj === &quot;string&quot; ) {
			obj = obj.split( &quot; &quot; );
		}
		if ( Array.isArray( obj ) ) {
			obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
		}
		if ( &quot;left&quot; in obj ) {
			this.offset.click.left = obj.left + this.margins.left;
		}
		if ( &quot;right&quot; in obj ) {
			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
		}
		if ( &quot;top&quot; in obj ) {
			this.offset.click.top = obj.top + this.margins.top;
		}
		if ( &quot;bottom&quot; in obj ) {
			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
		}
	},

	_isRootNode: function( element ) {
		return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
	},

	_getParentOffset: function() {

		//Get the offsetParent and cache its position
		var po = this.offsetParent.offset(),
			document = this.document[ 0 ];

		// 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&#039;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&#039;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 === &quot;absolute&quot; &amp;&amp; this.scrollParent[ 0 ] !== document &amp;&amp;
				$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
			po.left += this.scrollParent.scrollLeft();
			po.top += this.scrollParent.scrollTop();
		}

		if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
			po = { top: 0, left: 0 };
		}

		return {
			top: po.top + ( parseInt( this.offsetParent.css( &quot;borderTopWidth&quot; ), 10 ) || 0 ),
			left: po.left + ( parseInt( this.offsetParent.css( &quot;borderLeftWidth&quot; ), 10 ) || 0 )
		};

	},

	_getRelativeOffset: function() {
		if ( this.cssPosition !== &quot;relative&quot; ) {
			return { top: 0, left: 0 };
		}

		var p = this.element.position(),
			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );

		return {
			top: p.top - ( parseInt( this.helper.css( &quot;top&quot; ), 10 ) || 0 ) +
				( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
			left: p.left - ( parseInt( this.helper.css( &quot;left&quot; ), 10 ) || 0 ) +
				( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
		};

	},

	_cacheMargins: function() {
		this.margins = {
			left: ( parseInt( this.element.css( &quot;marginLeft&quot; ), 10 ) || 0 ),
			top: ( parseInt( this.element.css( &quot;marginTop&quot; ), 10 ) || 0 ),
			right: ( parseInt( this.element.css( &quot;marginRight&quot; ), 10 ) || 0 ),
			bottom: ( parseInt( this.element.css( &quot;marginBottom&quot; ), 10 ) || 0 )
		};
	},

	_cacheHelperProportions: function() {
		this.helperProportions = {
			width: this.helper.outerWidth(),
			height: this.helper.outerHeight()
		};
	},

	_setContainment: function() {

		var isUserScrollable, c, ce,
			o = this.options,
			document = this.document[ 0 ];

		this.relativeContainer = null;

		if ( !o.containment ) {
			this.containment = null;
			return;
		}

		if ( o.containment === &quot;window&quot; ) {
			this.containment = [
				$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
				$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
				$( window ).scrollLeft() + $( window ).width() -
					this.helperProportions.width - this.margins.left,
				$( window ).scrollTop() +
					( $( window ).height() || document.body.parentNode.scrollHeight ) -
					this.helperProportions.height - this.margins.top
			];
			return;
		}

		if ( o.containment === &quot;document&quot; ) {
			this.containment = [
				0,
				0,
				$( document ).width() - this.helperProportions.width - this.margins.left,
				( $( document ).height() || document.body.parentNode.scrollHeight ) -
					this.helperProportions.height - this.margins.top
			];
			return;
		}

		if ( o.containment.constructor === Array ) {
			this.containment = o.containment;
			return;
		}

		if ( o.containment === &quot;parent&quot; ) {
			o.containment = this.helper[ 0 ].parentNode;
		}

		c = $( o.containment );
		ce = c[ 0 ];

		if ( !ce ) {
			return;
		}

		isUserScrollable = /(scroll|auto)/.test( c.css( &quot;overflow&quot; ) );

		this.containment = [
			( parseInt( c.css( &quot;borderLeftWidth&quot; ), 10 ) || 0 ) +
				( parseInt( c.css( &quot;paddingLeft&quot; ), 10 ) || 0 ),
			( parseInt( c.css( &quot;borderTopWidth&quot; ), 10 ) || 0 ) +
				( parseInt( c.css( &quot;paddingTop&quot; ), 10 ) || 0 ),
			( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
				( parseInt( c.css( &quot;borderRightWidth&quot; ), 10 ) || 0 ) -
				( parseInt( c.css( &quot;paddingRight&quot; ), 10 ) || 0 ) -
				this.helperProportions.width -
				this.margins.left -
				this.margins.right,
			( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
				( parseInt( c.css( &quot;borderBottomWidth&quot; ), 10 ) || 0 ) -
				( parseInt( c.css( &quot;paddingBottom&quot; ), 10 ) || 0 ) -
				this.helperProportions.height -
				this.margins.top -
				this.margins.bottom
		];
		this.relativeContainer = c;
	},

	_convertPositionTo: function( d, pos ) {

		if ( !pos ) {
			pos = this.position;
		}

		var mod = d === &quot;absolute&quot; ? 1 : -1,
			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );

		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&#039;s offset without borders (offset + border)
				this.offset.parent.top * mod -
				( ( this.cssPosition === &quot;fixed&quot; ?
					-this.offset.scroll.top :
					( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * 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&#039;s offset without borders (offset + border)
				this.offset.parent.left * mod	-
				( ( this.cssPosition === &quot;fixed&quot; ?
					-this.offset.scroll.left :
					( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod )
			)
		};

	},

	_generatePosition: function( event, constrainPosition ) {

		var containment, co, top, left,
			o = this.options,
			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
			pageX = event.pageX,
			pageY = event.pageY;

		// Cache the scroll
		if ( !scrollIsRootNode || !this.offset.scroll ) {
			this.offset.scroll = {
				top: this.scrollParent.scrollTop(),
				left: this.scrollParent.scrollLeft()
			};
		}

		/*
		 * - Position constraining -
		 * Constrain the position to a mix of grid, containment.
		 */

		// If we are not dragging yet, we won&#039;t check for options
		if ( constrainPosition ) {
			if ( this.containment ) {
				if ( this.relativeContainer ) {
					co = this.relativeContainer.offset();
					containment = [
						this.containment[ 0 ] + co.left,
						this.containment[ 1 ] + co.top,
						this.containment[ 2 ] + co.left,
						this.containment[ 3 ] + co.top
					];
				} else {
					containment = this.containment;
				}

				if ( event.pageX - this.offset.click.left &lt; containment[ 0 ] ) {
					pageX = containment[ 0 ] + this.offset.click.left;
				}
				if ( event.pageY - this.offset.click.top &lt; containment[ 1 ] ) {
					pageY = containment[ 1 ] + this.offset.click.top;
				}
				if ( event.pageX - this.offset.click.left &gt; containment[ 2 ] ) {
					pageX = containment[ 2 ] + this.offset.click.left;
				}
				if ( event.pageY - this.offset.click.top &gt; containment[ 3 ] ) {
					pageY = containment[ 3 ] + this.offset.click.top;
				}
			}

			if ( o.grid ) {

				//Check for grid elements set to 0 to prevent divide by 0 error causing invalid
				// argument errors in IE (see ticket #6950)
				top = o.grid[ 1 ] ? this.originalPageY + Math.round( ( pageY -
					this.originalPageY ) / o.grid[ 1 ] ) * o.grid[ 1 ] : this.originalPageY;
				pageY = containment ? ( ( top - this.offset.click.top &gt;= containment[ 1 ] ||
					top - this.offset.click.top &gt; containment[ 3 ] ) ?
						top :
						( ( top - this.offset.click.top &gt;= containment[ 1 ] ) ?
							top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : top;

				left = o.grid[ 0 ] ? this.originalPageX +
					Math.round( ( pageX - this.originalPageX ) / o.grid[ 0 ] ) * o.grid[ 0 ] :
					this.originalPageX;
				pageX = containment ? ( ( left - this.offset.click.left &gt;= containment[ 0 ] ||
					left - this.offset.click.left &gt; containment[ 2 ] ) ?
						left :
						( ( left - this.offset.click.left &gt;= containment[ 0 ] ) ?
							left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : left;
			}

			if ( o.axis === &quot;y&quot; ) {
				pageX = this.originalPageX;
			}

			if ( o.axis === &quot;x&quot; ) {
				pageY = this.originalPageY;
			}
		}

		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&#039;s offset without borders (offset + border)
				this.offset.parent.top +
				( this.cssPosition === &quot;fixed&quot; ?
					-this.offset.scroll.top :
					( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
			),
			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&#039;s offset without borders (offset + border)
				this.offset.parent.left +
				( this.cssPosition === &quot;fixed&quot; ?
					-this.offset.scroll.left :
					( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
			)
		};

	},

	_clear: function() {
		this._removeClass( this.helper, &quot;ui-draggable-dragging&quot; );
		if ( this.helper[ 0 ] !== this.element[ 0 ] &amp;&amp; !this.cancelHelperRemoval ) {
			this.helper.remove();
		}
		this.helper = null;
		this.cancelHelperRemoval = false;
		if ( this.destroyOnClear ) {
			this.destroy();
		}
	},

	// From now on bulk stuff - mainly helpers

	_trigger: function( type, event, ui ) {
		ui = ui || this._uiHash();
		$.ui.plugin.call( this, type, [ event, ui, this ], true );

		// Absolute position and offset (see #6884 ) have to be recalculated after plugins
		if ( /^(drag|start|stop)/.test( type ) ) {
			this.positionAbs = this._convertPositionTo( &quot;absolute&quot; );
			ui.offset = this.positionAbs;
		}
		return $.Widget.prototype._trigger.call( this, type, event, ui );
	},

	plugins: {},

	_uiHash: function() {
		return {
			helper: this.helper,
			position: this.position,
			originalPosition: this.originalPosition,
			offset: this.positionAbs
		};
	}

} );

$.ui.plugin.add( &quot;draggable&quot;, &quot;connectToSortable&quot;, {
	start: function( event, ui, draggable ) {
		var uiSortable = $.extend( {}, ui, {
			item: draggable.element
		} );

		draggable.sortables = [];
		$( draggable.options.connectToSortable ).each( function() {
			var sortable = $( this ).sortable( &quot;instance&quot; );

			if ( sortable &amp;&amp; !sortable.options.disabled ) {
				draggable.sortables.push( sortable );

				// RefreshPositions is called at drag start to refresh the containerCache
				// which is used in drag. This ensures it&#039;s initialized and synchronized
				// with any changes that might have happened on the page since initialization.
				sortable.refreshPositions();
				sortable._trigger( &quot;activate&quot;, event, uiSortable );
			}
		} );
	},
	stop: function( event, ui, draggable ) {
		var uiSortable = $.extend( {}, ui, {
			item: draggable.element
		} );

		draggable.cancelHelperRemoval = false;

		$.each( draggable.sortables, function() {
			var sortable = this;

			if ( sortable.isOver ) {
				sortable.isOver = 0;

				// Allow this sortable to handle removing the helper
				draggable.cancelHelperRemoval = true;
				sortable.cancelHelperRemoval = false;

				// Use _storedCSS To restore properties in the sortable,
				// as this also handles revert (#9675) since the draggable
				// may have modified them in unexpected ways (#8809)
				sortable._storedCSS = {
					position: sortable.placeholder.css( &quot;position&quot; ),
					top: sortable.placeholder.css( &quot;top&quot; ),
					left: sortable.placeholder.css( &quot;left&quot; )
				};

				sortable._mouseStop( event );

				// Once drag has ended, the sortable should return to using
				// its original helper, not the shared helper from draggable
				sortable.options.helper = sortable.options._helper;
			} else {

				// Prevent this Sortable from removing the helper.
				// However, don&#039;t set the draggable to remove the helper
				// either as another connected Sortable may yet handle the removal.
				sortable.cancelHelperRemoval = true;

				sortable._trigger( &quot;deactivate&quot;, event, uiSortable );
			}
		} );
	},
	drag: function( event, ui, draggable ) {
		$.each( draggable.sortables, function() {
			var innermostIntersecting = false,
				sortable = this;

			// Copy over variables that sortable&#039;s _intersectsWith uses
			sortable.positionAbs = draggable.positionAbs;
			sortable.helperProportions = draggable.helperProportions;
			sortable.offset.click = draggable.offset.click;

			if ( sortable._intersectsWith( sortable.containerCache ) ) {
				innermostIntersecting = true;

				$.each( draggable.sortables, function() {

					// Copy over variables that sortable&#039;s _intersectsWith uses
					this.positionAbs = draggable.positionAbs;
					this.helperProportions = draggable.helperProportions;
					this.offset.click = draggable.offset.click;

					if ( this !== sortable &amp;&amp;
							this._intersectsWith( this.containerCache ) &amp;&amp;
							$.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
						innermostIntersecting = false;
					}

					return innermostIntersecting;
				} );
			}

			if ( innermostIntersecting ) {

				// If it intersects, we use a little isOver variable and set it once,
				// so that the move-in stuff gets fired only once.
				if ( !sortable.isOver ) {
					sortable.isOver = 1;

					// Store draggable&#039;s parent in case we need to reappend to it later.
					draggable._parent = ui.helper.parent();

					sortable.currentItem = ui.helper
						.appendTo( sortable.element )
						.data( &quot;ui-sortable-item&quot;, true );

					// Store helper option to later restore it
					sortable.options._helper = sortable.options.helper;

					sortable.options.helper = function() {
						return ui.helper[ 0 ];
					};

					// Fire the start events of the sortable with our passed browser event,
					// and our own helper (so it doesn&#039;t create a new one)
					event.target = sortable.currentItem[ 0 ];
					sortable._mouseCapture( event, true );
					sortable._mouseStart( event, true, true );

					// Because the browser event is way off the new appended portlet,
					// modify necessary variables to reflect the changes
					sortable.offset.click.top = draggable.offset.click.top;
					sortable.offset.click.left = draggable.offset.click.left;
					sortable.offset.parent.left -= draggable.offset.parent.left -
						sortable.offset.parent.left;
					sortable.offset.parent.top -= draggable.offset.parent.top -
						sortable.offset.parent.top;

					draggable._trigger( &quot;toSortable&quot;, event );

					// Inform draggable that the helper is in a valid drop zone,
					// used solely in the revert option to handle &quot;valid/invalid&quot;.
					draggable.dropped = sortable.element;

					// Need to refreshPositions of all sortables in the case that
					// adding to one sortable changes the location of the other sortables (#9675)
					$.each( draggable.sortables, function() {
						this.refreshPositions();
					} );

					// Hack so receive/update callbacks work (mostly)
					draggable.currentItem = draggable.element;
					sortable.fromOutside = draggable;
				}

				if ( sortable.currentItem ) {
					sortable._mouseDrag( event );

					// Copy the sortable&#039;s position because the draggable&#039;s can potentially reflect
					// a relative position, while sortable is always absolute, which the dragged
					// element has now become. (#8809)
					ui.position = sortable.position;
				}
			} else {

				// If it doesn&#039;t intersect with the sortable, and it intersected before,
				// we fake the drag stop of the sortable, but make sure it doesn&#039;t remove
				// the helper by using cancelHelperRemoval.
				if ( sortable.isOver ) {

					sortable.isOver = 0;
					sortable.cancelHelperRemoval = true;

					// Calling sortable&#039;s mouseStop would trigger a revert,
					// so revert must be temporarily false until after mouseStop is called.
					sortable.options._revert = sortable.options.revert;
					sortable.options.revert = false;

					sortable._trigger( &quot;out&quot;, event, sortable._uiHash( sortable ) );
					sortable._mouseStop( event, true );

					// Restore sortable behaviors that were modfied
					// when the draggable entered the sortable area (#9481)
					sortable.options.revert = sortable.options._revert;
					sortable.options.helper = sortable.options._helper;

					if ( sortable.placeholder ) {
						sortable.placeholder.remove();
					}

					// Restore and recalculate the draggable&#039;s offset considering the sortable
					// may have modified them in unexpected ways. (#8809, #10669)
					ui.helper.appendTo( draggable._parent );
					draggable._refreshOffsets( event );
					ui.position = draggable._generatePosition( event, true );

					draggable._trigger( &quot;fromSortable&quot;, event );

					// Inform draggable that the helper is no longer in a valid drop zone
					draggable.dropped = false;

					// Need to refreshPositions of all sortables just in case removing
					// from one sortable changes the location of other sortables (#9675)
					$.each( draggable.sortables, function() {
						this.refreshPositions();
					} );
				}
			}
		} );
	}
} );

$.ui.plugin.add( &quot;draggable&quot;, &quot;cursor&quot;, {
	start: function( event, ui, instance ) {
		var t = $( &quot;body&quot; ),
			o = instance.options;

		if ( t.css( &quot;cursor&quot; ) ) {
			o._cursor = t.css( &quot;cursor&quot; );
		}
		t.css( &quot;cursor&quot;, o.cursor );
	},
	stop: function( event, ui, instance ) {
		var o = instance.options;
		if ( o._cursor ) {
			$( &quot;body&quot; ).css( &quot;cursor&quot;, o._cursor );
		}
	}
} );

$.ui.plugin.add( &quot;draggable&quot;, &quot;opacity&quot;, {
	start: function( event, ui, instance ) {
		var t = $( ui.helper ),
			o = instance.options;
		if ( t.css( &quot;opacity&quot; ) ) {
			o._opacity = t.css( &quot;opacity&quot; );
		}
		t.css( &quot;opacity&quot;, o.opacity );
	},
	stop: function( event, ui, instance ) {
		var o = instance.options;
		if ( o._opacity ) {
			$( ui.helper ).css( &quot;opacity&quot;, o._opacity );
		}
	}
} );

$.ui.plugin.add( &quot;draggable&quot;, &quot;scroll&quot;, {
	start: function( event, ui, i ) {
		if ( !i.scrollParentNotHidden ) {
			i.scrollParentNotHidden = i.helper.scrollParent( false );
		}

		if ( i.scrollParentNotHidden[ 0 ] !== i.document[ 0 ] &amp;&amp;
				i.scrollParentNotHidden[ 0 ].tagName !== &quot;HTML&quot; ) {
			i.overflowOffset = i.scrollParentNotHidden.offset();
		}
	},
	drag: function( event, ui, i  ) {

		var o = i.options,
			scrolled = false,
			scrollParent = i.scrollParentNotHidden[ 0 ],
			document = i.document[ 0 ];

		if ( scrollParent !== document &amp;&amp; scrollParent.tagName !== &quot;HTML&quot; ) {
			if ( !o.axis || o.axis !== &quot;x&quot; ) {
				if ( ( i.overflowOffset.top + scrollParent.offsetHeight ) - event.pageY &lt;
						o.scrollSensitivity ) {
					scrollParent.scrollTop = scrolled = scrollParent.scrollTop + o.scrollSpeed;
				} else if ( event.pageY - i.overflowOffset.top &lt; o.scrollSensitivity ) {
					scrollParent.scrollTop = scrolled = scrollParent.scrollTop - o.scrollSpeed;
				}
			}

			if ( !o.axis || o.axis !== &quot;y&quot; ) {
				if ( ( i.overflowOffset.left + scrollParent.offsetWidth ) - event.pageX &lt;
						o.scrollSensitivity ) {
					scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft + o.scrollSpeed;
				} else if ( event.pageX - i.overflowOffset.left &lt; o.scrollSensitivity ) {
					scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft - o.scrollSpeed;
				}
			}

		} else {

			if ( !o.axis || o.axis !== &quot;x&quot; ) {
				if ( event.pageY - $( document ).scrollTop() &lt; o.scrollSensitivity ) {
					scrolled = $( document ).scrollTop( $( document ).scrollTop() - o.scrollSpeed );
				} else if ( $( window ).height() - ( event.pageY - $( document ).scrollTop() ) &lt;
						o.scrollSensitivity ) {
					scrolled = $( document ).scrollTop( $( document ).scrollTop() + o.scrollSpeed );
				}
			}

			if ( !o.axis || o.axis !== &quot;y&quot; ) {
				if ( event.pageX - $( document ).scrollLeft() &lt; o.scrollSensitivity ) {
					scrolled = $( document ).scrollLeft(
						$( document ).scrollLeft() - o.scrollSpeed
					);
				} else if ( $( window ).width() - ( event.pageX - $( document ).scrollLeft() ) &lt;
						o.scrollSensitivity ) {
					scrolled = $( document ).scrollLeft(
						$( document ).scrollLeft() + o.scrollSpeed
					);
				}
			}

		}

		if ( scrolled !== false &amp;&amp; $.ui.ddmanager &amp;&amp; !o.dropBehaviour ) {
			$.ui.ddmanager.prepareOffsets( i, event );
		}

	}
} );

$.ui.plugin.add( &quot;draggable&quot;, &quot;snap&quot;, {
	start: function( event, ui, i ) {

		var o = i.options;

		i.snapElements = [];

		$( o.snap.constructor !== String ? ( o.snap.items || &quot;:data(ui-draggable)&quot; ) : o.snap )
			.each( function() {
				var $t = $( this ),
					$o = $t.offset();
				if ( this !== i.element[ 0 ] ) {
					i.snapElements.push( {
						item: this,
						width: $t.outerWidth(), height: $t.outerHeight(),
						top: $o.top, left: $o.left
					} );
				}
			} );

	},
	drag: function( event, ui, inst ) {

		var ts, bs, ls, rs, l, r, t, b, i, first,
			o = inst.options,
			d = o.snapTolerance,
			x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
			y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;

		for ( i = inst.snapElements.length - 1; i &gt;= 0; i-- ) {

			l = inst.snapElements[ i ].left - inst.margins.left;
			r = l + inst.snapElements[ i ].width;
			t = inst.snapElements[ i ].top - inst.margins.top;
			b = t + inst.snapElements[ i ].height;

			if ( x2 &lt; l - d || x1 &gt; r + d || y2 &lt; t - d || y1 &gt; b + d ||
					!$.contains( inst.snapElements[ i ].item.ownerDocument,
					inst.snapElements[ i ].item ) ) {
				if ( inst.snapElements[ i ].snapping ) {
					if ( inst.options.snap.release ) {
						inst.options.snap.release.call(
							inst.element,
							event,
							$.extend( inst._uiHash(), { snapItem: inst.snapElements[ i ].item } )
						);
					}
				}
				inst.snapElements[ i ].snapping = false;
				continue;
			}

			if ( o.snapMode !== &quot;inner&quot; ) {
				ts = Math.abs( t - y2 ) &lt;= d;
				bs = Math.abs( b - y1 ) &lt;= d;
				ls = Math.abs( l - x2 ) &lt;= d;
				rs = Math.abs( r - x1 ) &lt;= d;
				if ( ts ) {
					ui.position.top = inst._convertPositionTo( &quot;relative&quot;, {
						top: t - inst.helperProportions.height,
						left: 0
					} ).top;
				}
				if ( bs ) {
					ui.position.top = inst._convertPositionTo( &quot;relative&quot;, {
						top: b,
						left: 0
					} ).top;
				}
				if ( ls ) {
					ui.position.left = inst._convertPositionTo( &quot;relative&quot;, {
						top: 0,
						left: l - inst.helperProportions.width
					} ).left;
				}
				if ( rs ) {
					ui.position.left = inst._convertPositionTo( &quot;relative&quot;, {
						top: 0,
						left: r
					} ).left;
				}
			}

			first = ( ts || bs || ls || rs );

			if ( o.snapMode !== &quot;outer&quot; ) {
				ts = Math.abs( t - y1 ) &lt;= d;
				bs = Math.abs( b - y2 ) &lt;= d;
				ls = Math.abs( l - x1 ) &lt;= d;
				rs = Math.abs( r - x2 ) &lt;= d;
				if ( ts ) {
					ui.position.top = inst._convertPositionTo( &quot;relative&quot;, {
						top: t,
						left: 0
					} ).top;
				}
				if ( bs ) {
					ui.position.top = inst._convertPositionTo( &quot;relative&quot;, {
						top: b - inst.helperProportions.height,
						left: 0
					} ).top;
				}
				if ( ls ) {
					ui.position.left = inst._convertPositionTo( &quot;relative&quot;, {
						top: 0,
						left: l
					} ).left;
				}
				if ( rs ) {
					ui.position.left = inst._convertPositionTo( &quot;relative&quot;, {
						top: 0,
						left: r - inst.helperProportions.width
					} ).left;
				}
			}

			if ( !inst.snapElements[ i ].snapping &amp;&amp; ( ts || bs || ls || rs || first ) ) {
				if ( inst.options.snap.snap ) {
					inst.options.snap.snap.call(
						inst.element,
						event,
						$.extend( inst._uiHash(), {
							snapItem: inst.snapElements[ i ].item
						} ) );
				}
			}
			inst.snapElements[ i ].snapping = ( ts || bs || ls || rs || first );

		}

	}
} );

$.ui.plugin.add( &quot;draggable&quot;, &quot;stack&quot;, {
	start: function( event, ui, instance ) {
		var min,
			o = instance.options,
			group = $.makeArray( $( o.stack ) ).sort( function( a, b ) {
				return ( parseInt( $( a ).css( &quot;zIndex&quot; ), 10 ) || 0 ) -
					( parseInt( $( b ).css( &quot;zIndex&quot; ), 10 ) || 0 );
			} );

		if ( !group.length ) {
			return;
		}

		min = parseInt( $( group[ 0 ] ).css( &quot;zIndex&quot; ), 10 ) || 0;
		$( group ).each( function( i ) {
			$( this ).css( &quot;zIndex&quot;, min + i );
		} );
		this.css( &quot;zIndex&quot;, ( min + group.length ) );
	}
} );

$.ui.plugin.add( &quot;draggable&quot;, &quot;zIndex&quot;, {
	start: function( event, ui, instance ) {
		var t = $( ui.helper ),
			o = instance.options;

		if ( t.css( &quot;zIndex&quot; ) ) {
			o._zIndex = t.css( &quot;zIndex&quot; );
		}
		t.css( &quot;zIndex&quot;, o.zIndex );
	},
	stop: function( event, ui, instance ) {
		var o = instance.options;

		if ( o._zIndex ) {
			$( ui.helper ).css( &quot;zIndex&quot;, o._zIndex );
		}
	}
} );

return $.ui.draggable;

} );
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