https://www.barnetband.org/brostools/jquery/jqueryui/js/jquery-ui.js?ver=522454

3.js
4* Copyright OpenJS Foundation and other contributors; Licensed MIT */
5
6( function( factory ) {
7	"use strict";
8
9	if ( typeof define === "function" && define.amd ) {
10
11		// AMD. Register as an anonymous module.
12		define( [ "jquery" ], factory );
13	} else {
14
15		// Browser globals
16		factory( jQuery );
17	}
18} )( function( $ ) {
19"use strict";
20
21$.ui = $.ui || {};
22
23var version = $.ui.version = "1.14.2";
24
25
26/*!
27 * jQuery UI Widget 1.14.2
28 * https://jqueryui.com
29 *
30 * Copyright OpenJS Foundation and other contributors
31 * Released under the MIT license.
32 * https://jquery.org/license
33 */
34
35//>>label: Widget
36//>>group: Core
37//>>description: Provides a factory for creating stateful widgets with a common API.
38//>>docs: https://api.jqueryui.com/jQuery.widget/
39//>>demos: https://jqueryui.com/widget/
40
41
42var widgetUuid = 0;
43var widgetHasOwnProperty = Array.prototype.hasOwnProperty;
44var widgetSlice = Array.prototype.slice;
45
46$.cleanData = ( function( orig ) {
47	return function( elems ) {
48		var events, elem, i;
49		for ( i = 0; ( elem = elems[ i ] ) != null; i++ ) {
50
51			// Only trigger remove when necessary to save time
52			events = $._data( elem, "events" );
53			if ( events && events.remove ) {
54				$( elem ).triggerHandler( "remove" );
55			}
56		}
57		orig( elems );
58	};
59} )( $.cleanData );
60
61$.widget = function( name, base, prototype ) {
62	var existingConstructor, constructor, basePrototype;
63
64	// ProxiedPrototype allows the provided prototype to remain unmodified
65	// so that it can be used as a mixin for multiple widgets (#8876)
66	var proxiedPrototype = {};
67
68	var namespace = name.split( "." )[ 0 ];
69	name = name.split( "." )[ 1 ];
70	if ( name === "__proto__" || name === "constructor" ) {
71		return $.error( "Invalid widget name: " + name );
72	}
73	var fullName = namespace + "-" + name;
74
75	if ( !prototype ) {
76		prototype = base;
77		base = $.Widget;
78	}
79
80	if ( Array.isArray( prototype ) ) {
81		prototype = $.extend.apply( null, [ {} ].concat( prototype ) );
82	}
83
84	// Create selector for plugin
85	$.expr.pseudos[ fullName.toLowerCase() ] = function( elem ) {
86		return !!$.data( elem, fullName );
87	};
88
89	$[ namespace ] = $[ namespace ] || {};
90	existingConstructor = $[ namespace ][ name ];
91	constructor = $[ namespace ][ name ] = function( options, element ) {
92
93		// Allow instantiation without "new" keyword
94		if ( !this || !this._createWidget ) {
95			return new constructor( options, element );
96		}
97
98		// Allow instantiation without initializing for simple inheritance
99		// must use "new" keyword (the code above always passes args)
100		if ( arguments.length ) {
101			this._createWidget( options, element );
102		}
103	};
104
105	// Extend with the existing constructor to carry over any static properties
106	$.extend( constructor, existingConstructor, {
107		version: prototype.version,
108
109		// Copy the object used to create the prototype in case we need to
110		// redefine the widget later
111		_proto: $.extend( {}, prototype ),
112
113		// Track widgets that inherit from this widget in case this widget is
114		// redefined after a widget inherits from it
115		_childConstructors: []
116	} );
117
118	basePrototype = new base();
119
120	// We need to make the options hash a property directly on the new instance
121	// otherwise we'll modify the options hash on the prototype that we're
122	// inheriting from
123	basePrototype.options = $.widget.extend( {}, basePrototype.options );
124	$.each( prototype, function( prop, value ) {
125		if ( typeof value !== "function" ) {
126			proxiedPrototype[ prop ] = value;
127			return;
128		}
129		proxiedPrototype[ prop ] = ( function() {
130			function _super() {
131				return base.prototype[ prop ].apply( this, arguments );
132			}
133
134			function _superApply( args ) {
135				return base.prototype[ prop ].apply( this, args );
136			}
137
138			return function() {
139				var __super = this._super;
140				var __superApply = this._superApply;
141				var returnValue;
142
143				this._super = _super;
144				this._superApply = _superApply;
145
146				returnValue = value.apply( this, arguments );
147
148				this._super = __super;
149				this._superApply = __superApply;
150
151				return returnValue;
152			};
153		} )();
154	} );
155	constructor.prototype = $.widget.extend( basePrototype, {
156
157		// TODO: remove support for widgetEventPrefix
158		// always use the name + a colon as the prefix, e.g., draggable:start
159		// don't prefix for widgets that aren't DOM-based
160		widgetEventPrefix: existingConstructor ? ( basePrototype.widgetEventPrefix || name ) : name
161	}, proxiedPrototype, {
162		constructor: constructor,
163		namespace: namespace,
164		widgetName: name,
165		widgetFullName: fullName
166	} );
167
168	// If this widget is being redefined then we need to find all widgets that
169	// are inheriting from it and redefine all of them so that they inherit from
170	// the new version of this widget. We're essentially trying to replace one
171	// level in the prototype chain.
172	if ( existingConstructor ) {
173		$.each( existingConstructor._childConstructors, function( i, child ) {
174			var childPrototype = child.prototype;
175
176			// Redefine the child widget using the same prototype that was
177			// originally used, but inherit from the new version of the base
178			$.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor,
179				child._proto );
180		} );
181
182		// Remove the list of existing child constructors from the old constructor
183		// so the old child constructors can be garbage collected
184		delete existingConstructor._childConstructors;
185	} else {
186		base._childConstructors.push( constructor );
187	}
188
189	$.widget.bridge( name, constructor );
190
191	return constructor;
192};
193
194$.widget.extend = function( target ) {
195	var input = widgetSlice.call( arguments, 1 );
196	var inputIndex = 0;
197	var inputLength = input.length;
198	var key;
199	var value;
200
201	for ( ; inputIndex < inputLength; inputIndex++ ) {
202		for ( key in input[ inputIndex ] ) {
203			value = input[ inputIndex ][ key ];
204			if ( widgetHasOwnProperty.call( input[ inputIndex ], key ) && value !== undefined ) {
205
206				// Clone objects
207				if ( $.isPlainObject( value ) ) {
208					target[ key ] = $.isPlainObject( target[ key ] ) ?
209						$.widget.extend( {}, target[ key ], value ) :
210
211						// Don't extend strings, arrays, etc. with objects
212						$.widget.extend( {}, value );
213
214				// Copy everything else by reference
215				} else {
216					target[ key ] = value;
217				}
218			}
219		}
220	}
221	return target;
222};
223
224$.widget.bridge = function( name, object ) {
225	var fullName = object.prototype.widgetFullName || name;
226	$.fn[ name ] = function( options ) {
227		var isMethodCall = typeof options === "string";
228		var args = widgetSlice.call( arguments, 1 );
229		var returnValue = this;
230
231		if ( isMethodCall ) {
232
233			// If this is an empty collection, we need to have the instance method
234			// return undefined instead of the jQuery instance
235			if ( !this.length && options === "instance" ) {
236				returnValue = undefined;
237			} else {
238				this.each( function() {
239					var methodValue;
240					var instance = $.data( this, fullName );
241
242					if ( options === "instance" ) {
243						returnValue = instance;
244						return false;
245					}
246
247					if ( !instance ) {
248						return $.error( "cannot call methods on " + name +
249							" prior to initialization; " +
250							"attempted to call method '" + options + "'" );
251					}
252
253					if ( typeof instance[ options ] !== "function" ||
254						options.charAt( 0 ) === "_" ) {
255						return $.error( "no such method '" + options + "' for " + name +
256							" widget instance" );
257					}
258
259					methodValue = instance[ options ].apply( instance, args );
260
261					if ( methodValue !== instance && methodValue !== undefined ) {
262						returnValue = methodValue && methodValue.jquery ?
263							returnValue.pushStack( methodValue.get() ) :
264							methodValue;
265						return false;
266					}
267				} );
268			}
269		} else {
270
271			// Allow multiple hashes to be passed on init
272			if ( args.length ) {
273				options = $.widget.extend.apply( null, [ options ].concat( args ) );
274			}
275
276			this.each( function() {
277				var instance = $.data( this, fullName );
278				if ( instance ) {
279					instance.option( options || {} );
280					if ( instance._init ) {
281						instance._init();
282					}
283				} else {
284					$.data( this, fullName, new object( options, this ) );
285				}
286			} );
287		}
288
289		return returnValue;
290	};
291};
292
293$.Widget = function( /* options, element */ ) {};
294$.Widget._childConstructors = [];
295
296$.Widget.prototype = {
297	widgetName: "widget",
298	widgetEventPrefix: "",
299	defaultElement: "<div>",
300
301	options: {
302		classes: {},
303		disabled: false,
304
305		// Callbacks
306		create: null
307	},
308
309	_createWidget: function( options, element ) {
310		element = $( element || this.defaultElement || this )[ 0 ];
311		this.element = $( element );
312		this.uuid = widgetUuid++;
313		this.eventNamespace = "." + this.widgetName + this.uuid;
314
315		this.bindings = $();
316		this.hoverable = $();
317		this.focusable = $();
318		this.classesElementLookup = {};
319
320		if ( element !== this ) {
321			$.data( element, this.widgetFullName, this );
322			this._on( true, this.element, {
323				remove: function( event ) {
324					if ( event.target === element ) {
325						this.destroy();
326					}
327				}
328			} );
329			this.document = $( element.style ?
330
331				// Element within the document
332				element.ownerDocument :
333
334				// Element is window or document
335				element.document || element );
336			this.window = $( this.document[ 0 ].defaultView || this.document[ 0 ].parentWindow );
337		}
338
339		this.options = $.widget.extend( {},
340			this.options,
341			this._getCreateOptions(),
342			options );
343
344		this._create();
345
346		if ( this.options.disabled ) {
347			this._setOptionDisabled( this.options.disabled );
348		}
349
350		this._trigger( "create", null, this._getCreateEventData() );
351		this._init();
352	},
353
354	_getCreateOptions: function() {
355		return {};
356	},
357
358	_getCreateEventData: $.noop,
359
360	_create: $.noop,
361
362	_init: $.noop,
363
364	destroy: function() {
365		var that = this;
366
367		this._destroy();
368		$.each( this.classesElementLookup, function( key, value ) {
369			that._removeClass( value, key );
370		} );
371
372		// We can probably remove the unbind calls in 2.0
373		// all event bindings should go through this._on()
374		this.element
375			.off( this.eventNamespace )
376			.removeData( this.widgetFullName );
377		this.widget()
378			.off( this.eventNamespace )
379			.removeAttr( "aria-disabled" );
380
381		// Clean up events and states
382		this.bindings.off( this.eventNamespace );
383	},
384
385	_destroy: $.noop,
386
387	widget: function() {
388		return this.element;
389	},
390
391	option: function( key, value ) {
392		var options = key;
393		var parts;
394		var curOption;
395		var i;
396
397		if ( arguments.length === 0 ) {
398
399			// Don't return a reference to the internal hash
400			return $.widget.extend( {}, this.options );
401		}
402
403		if ( typeof key === "string" ) {
404
405			// Handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
406			options = {};
407			parts = key.split( "." );
408			key = parts.shift();
409			if ( parts.length ) {
410				curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
411				for ( i = 0; i < parts.length - 1; i++ ) {
412					curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
413					curOption = curOption[ parts[ i ] ];
414				}
415				key = parts.pop();
416				if ( arguments.length === 1 ) {
417					return curOption[ key ] === undefined ? null : curOption[ key ];
418				}
419				curOption[ key ] = value;
420			} else {
421				if ( arguments.length === 1 ) {
422					return this.options[ key ] === undefined ? null : this.options[ key ];
423				}
424				options[ key ] = value;
425			}
426		}
427
428		this._setOptions( options );
429
430		return this;
431	},
432
433	_setOptions: function( options ) {
434		var key;
435
436		for ( key in options ) {
437			this._setOption( key, options[ key ] );
438		}
439
440		return this;
441	},
442
443	_setOption: function( key, value ) {
444		if ( key === "classes" ) {
445			this._setOptionClasses( value );
446		}
447
448		this.options[ key ] = value;
449
450		if ( key === "disabled" ) {
451			this._setOptionDisabled( value );
452		}
453
454		return this;
455	},
456
457	_setOptionClasses: function( value ) {
458		var classKey, elements, currentElements;
459
460		for ( classKey in value ) {
461			currentElements = this.classesElementLookup[ classKey ];
462			if ( value[ classKey ] === this.options.classes[ classKey ] ||
463					!currentElements ||
464					!currentElements.length ) {
465				continue;
466			}
467
468			// We are doing this to create a new jQuery object because the _removeClass() call
469			// on the next line is going to destroy the reference to the current elements being
470			// tracked. We need to save a copy of this collection so that we can add the new classes
471			// below.
472			elements = $( currentElements.get() );
473			this._removeClass( currentElements, classKey );
474
475			// We don't use _addClass() here, because that uses this.options.classes
476			// for generating the string of classes. We want to use the value passed in from
477			// _setOption(), this is the new value of the classes option which was passed to
478			// _setOption(). We pass this value directly to _classes().
479			elements.addClass( this._classes( {
480				element: elements,
481				keys: classKey,
482				classes: value,
483				add: true
484			} ) );
485		}
486	},
487
488	_setOptionDisabled: function( value ) {
489		this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, !!value );
490
491		// If the widget is becoming disabled, then nothing is interactive
492		if ( value ) {
493			this._removeClass( this.hoverable, null, "ui-state-hover" );
494			this._removeClass( this.focusable, null, "ui-state-focus" );
495		}
496	},
497
498	enable: function() {
499		return this._setOptions( { disabled: false } );
500	},
501
502	disable: function() {
503		return this._setOptions( { disabled: true } );
504	},
505
506	_classes: function( options ) {
507		var full = [];
508		var that = this;
509
510		options = $.extend( {
511			element: this.element,
512			classes: this.options.classes || {}
513		}, options );
514
515		function bindRemoveEvent() {
516			var nodesToBind = [];
517
518			options.element.each( function( _, element ) {
519				var isTracked = $.map( that.classesElementLookup, function( elements ) {
520					return elements;
521				} )
522					.some( function( elements ) {
523						return elements.is( element );
524					} );
525
526				if ( !isTracked ) {
527					nodesToBind.push( element );
528				}
529			} );
530
531			that._on( $( nodesToBind ), {
532				remove: "_untrackClassesElement"
533			} );
534		}
535
536		function processClassString( classes, checkOption ) {
537			var current, i;
538			for ( i = 0; i < classes.length; i++ ) {
539				current = that.classesElementLookup[ classes[ i ] ] || $();
540				if ( options.add ) {
541					bindRemoveEvent();
542					current = $( $.uniqueSort( current.get().concat( options.element.get() ) ) );
543				} else {
544					current = $( current.not( options.element ).get() );
545				}
546				that.classesElementLookup[ classes[ i ] ] = current;
547				full.push( classes[ i ] );
548				if ( checkOption && options.classes[ classes[ i ] ] ) {
549					full.push( options.classes[ classes[ i ] ] );
550				}
551			}
552		}
553
554		if ( options.keys ) {
555			processClassString( options.keys.match( /\S+/g ) || [], true );
556		}
557		if ( options.extra ) {
558			processClassString( options.extra.match( /\S+/g ) || [] );
559		}
560
561		return full.join( " " );
562	},
563
564	_untrackClassesElement: function( event ) {
565		var that = this;
566		$.each( that.classesElementLookup, function( key, value ) {
567			if ( $.inArray( event.target, value ) !== -1 ) {
568				that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
569			}
570		} );
571
572		this._off( $( event.target ) );
573	},
574
575	_removeClass: function( element, keys, extra ) {
576		return this._toggleClass( element, keys, extra, false );
577	},
578
579	_addClass: function( element, keys, extra ) {
580		return this._toggleClass( element, keys, extra, true );
581	},
582
583	_toggleClass: function( element, keys, extra, add ) {
584		add = ( typeof add === "boolean" ) ? add : extra;
585		var shift = ( typeof element === "string" || element === null ),
586			options = {
587				extra: shift ? keys : extra,
588				keys: shift ? element : keys,
589				element: shift ? this.element : element,
590				add: add
591			};
592		options.element.toggleClass( this._classes( options ), add );
593		return this;
594	},
595
596	_on: function( suppressDisabledCheck, element, handlers ) {
597		var delegateElement;
598		var instance = this;
599
600		// No suppressDisabledCheck flag, shuffle arguments
601		if ( typeof suppressDisabledCheck !== "boolean" ) {
602			handlers = element;
603			element = suppressDisabledCheck;
604			suppressDisabledCheck = false;
605		}
606
607		// No element argument, shuffle and use this.element
608		if ( !handlers ) {
609			handlers = element;
610			element = this.element;
611			delegateElement = this.widget();
612		} else {
613			element = delegateElement = $( element );
614			this.bindings = this.bindings.add( element );
615		}
616
617		$.each( handlers, function( event, handler ) {
618			function handlerProxy() {
619
620				// Allow widgets to customize the disabled handling
621				// - disabled as an array instead of boolean
622				// - disabled class as method for disabling individual parts
623				if ( !suppressDisabledCheck &&
624						( instance.options.disabled === true ||
625						$( this ).hasClass( "ui-state-disabled" ) ) ) {
626					return;
627				}
628				return ( typeof handler === "string" ? instance[ handler ] : handler )
629					.apply( instance, arguments );
630			}
631
632			// Copy the guid so direct unbinding works
633			if ( typeof handler !== "string" ) {
634				handlerProxy.guid = handler.guid =
635					handler.guid || handlerProxy.guid || $.guid++;
636			}
637
638			var match = event.match( /^([\w:-]*)\s*(.*)$/ );
639			var eventName = match[ 1 ] + instance.eventNamespace;
640			var selector = match[ 2 ];
641
642			if ( selector ) {
643				delegateElement.on( eventName, selector, handlerProxy );
644			} else {
645				element.on( eventName, handlerProxy );
646			}
647		} );
648	},
649
650	_off: function( element, eventName ) {
651		eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
652			this.eventNamespace;
653		element.off( eventName );
654
655		// Clear the stack to avoid memory leaks (#10056)
656		this.bindings = $( this.bindings.not( element ).get() );
657		this.focusable = $( this.focusable.not( element ).get() );
658		this.hoverable = $( this.hoverable.not( element ).get() );
659	},
660
661	_delay: function( handler, delay ) {
662		function handlerProxy() {
663			return ( typeof handler === "string" ? instance[ handler ] : handler )
664				.apply( instance, arguments );
665		}
666		var instance = this;
667		return setTimeout( handlerProxy, delay || 0 );
668	},
669
670	_hoverable: function( element ) {
671		this.hoverable = this.hoverable.add( element );
672		this._on( element, {
673			mouseenter: function( event ) {
674				this._addClass( $( event.currentTarget ), null, "ui-state-hover" );
675			},
676			mouseleave: function( event ) {
677				this._removeClass( $( event.currentTarget ), null, "ui-state-hover" );
678			}
679		} );
680	},
681
682	_focusable: function( element ) {
683		this.focusable = this.focusable.add( element );
684		this._on( element, {
685			focusin: function( event ) {
686				this._addClass( $( event.currentTarget ), null, "ui-state-focus" );
687			},
688			focusout: function( event ) {
689				this._removeClass( $( event.currentTarget ), null, "ui-state-focus" );
690			}
691		} );
692	},
693
694	_trigger: function( type, event, data ) {
695		var prop, orig;
696		var callback = this.options[ type ];
697
698		data = data || {};
699		event = $.Event( event );
700		event.type = ( type === this.widgetEventPrefix ?
701			type :
702			this.widgetEventPrefix + type ).toLowerCase();
703
704		// The original event may come from any element
705		// so we need to reset the target on the new event
706		event.target = this.element[ 0 ];
707
708		// Copy original event properties over to the new event
709		orig = event.originalEvent;
710		if ( orig ) {
711			for ( prop in orig ) {
712				if ( !( prop in event ) ) {
713					event[ prop ] = orig[ prop ];
714				}
715			}
716		}
717
718		this.element.trigger( event, data );
719		return !( typeof callback === "function" &&
720			callback.apply( this.element[ 0 ], [ event ].concat( data ) ) === false ||
721			event.isDefaultPrevented() );
722	}
723};
724
725$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
726	$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
727		if ( typeof options === "string" ) {
728			options = { effect: options };
729		}
730
731		var hasOptions;
732		var effectName = !options ?
733			method :
734			options === true || typeof options === "number" ?
735				defaultEffect :
736				options.effect || defaultEffect;
737
738		options = options || {};
739		if ( typeof options === "number" ) {
740			options = { duration: options };
741		} else if ( options === true ) {
742			options = {};
743		}
744
745		hasOptions = !$.isEmptyObject( options );
746		options.complete = callback;
747
748		if ( options.delay ) {
749			element.delay( options.delay );
750		}
751
752		if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
753			element[ method ]( options );
754		} else if ( effectName !== method && element[ effectName ] ) {
755			element[ effectName ]( options.duration, options.easing, callback );
756		} else {
757			element.queue( function( next ) {
758				$( this )[ method ]();
759				if ( callback ) {
760					callback.call( element[ 0 ] );
761				}
762				next();
763			} );
764		}
765	};
766} );
767
768var widget = $.widget;
769
770
771/*!
772 * jQuery UI Position 1.14.2
773 * https://jqueryui.com
774 *
775 * Copyright OpenJS Foundation and other contributors
776 * Released under the MIT license.
777 * https://jquery.org/license
778 *
779 * https://api.jqueryui.com/position/
780 */
781
782//>>label: Position
783//>>group: Core
784//>>description: Positions elements relative to other elements.
785//>>docs: https://api.jqueryui.com/position/
786//>>demos: https://jqueryui.com/position/
787
788
789( function() {
790var cachedScrollbarWidth,
791	max = Math.max,
792	abs = Math.abs,
793	rhorizontal = /left|center|right/,
794	rvertical = /top|center|bottom/,
795	roffset = /[\+\-]\d+(\.[\d]+)?%?/,
796	rposition = /^\w+/,
797	rpercent = /%$/,
798	_position = $.fn.position;
799
800function getOffsets( offsets, width, height ) {
801	return [
802		parseFloat( offsets[ 0 ] ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
803		parseFloat( offsets[ 1 ] ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
804	];
805}
806
807function parseCss( element, property ) {
808	return parseInt( $.css( element, property ), 10 ) || 0;
809}
810
811function isWindow( obj ) {
812	return obj != null && obj === obj.window;
813}
814
815function getDimensions( elem ) {
816	var raw = elem[ 0 ];
817	if ( raw.nodeType === 9 ) {
818		return {
819			width: elem.width(),
820			height: elem.height(),
821			offset: { top: 0, left: 0 }
822		};
823	}
824	if ( isWindow( raw ) ) {
825		return {
826			width: elem.width(),
827			height: elem.height(),
828			offset: { top: elem.scrollTop(), left: elem.scrollLeft() }
829		};
830	}
831	if ( raw.preventDefault ) {
832		return {
833			width: 0,
834			height: 0,
835			offset: { top: raw.pageY, left: raw.pageX }
836		};
837	}
838	return {
839		width: elem.outerWidth(),
840		height: elem.outerHeight(),
841		offset: elem.offset()
842	};
843}
844
845$.position = {
846	scrollbarWidth: function() {
847		if ( cachedScrollbarWidth !== undefined ) {
848			return cachedScrollbarWidth;
849		}
850		var w1, w2,
851			div = $( "<div style=" +
852				"'display:block;position:absolute;width:200px;height:200px;overflow:hidden;'>" +
853				"<div style='height:300px;width:auto;'></div></div>" ),
854			innerDiv = div.children()[ 0 ];
855
856		$( "body" ).append( div );
857		w1 = innerDiv.offsetWidth;
858		div.css( "overflow", "scroll" );
859
860		w2 = innerDiv.offsetWidth;
861
862		if ( w1 === w2 ) {
863			w2 = div[ 0 ].clientWidth;
864		}
865
866		div.remove();
867
868		return ( cachedScrollbarWidth = w1 - w2 );
869	},
870	getScrollInfo: function( within ) {
871		var overflowX = within.isWindow || within.isDocument ? "" :
872				within.element.css( "overflow-x" ),
873			overflowY = within.isWindow || within.isDocument ? "" :
874				within.element.css( "overflow-y" ),
875			hasOverflowX = overflowX === "scroll" ||
876				( overflowX === "auto" && within.width < within.element[ 0 ].scrollWidth ),
877			hasOverflowY = overflowY === "scroll" ||
878				( overflowY === "auto" && within.height < within.element[ 0 ].scrollHeight );
879		return {
880			width: hasOverflowY ? $.position.scrollbarWidth() : 0,
881			height: hasOverflowX ? $.position.scrollbarWidth() : 0
882		};
883	},
884	getWithinInfo: function( element ) {
885		var withinElement = $( element || window ),
886			isElemWindow = isWindow( withinElement[ 0 ] ),
887			isDocument = !!withinElement[ 0 ] && withinElement[ 0 ].nodeType === 9,
888			hasOffset = !isElemWindow && !isDocument;
889		return {
890			element: withinElement,
891			isWindow: isElemWindow,
892			isDocument: isDocument,
893			offset: hasOffset ? $( element ).offset() : { left: 0, top: 0 },
894			scrollLeft: withinElement.scrollLeft(),
895			scrollTop: withinElement.scrollTop(),
896			width: withinElement.outerWidth(),
897			height: withinElement.outerHeight()
898		};
899	}
900};
901
902$.fn.position = function( options ) {
903	if ( !options || !options.of ) {
904		return _position.apply( this, arguments );
905	}
906
907	// Make a copy, we don't want to modify arguments
908	options = $.extend( {}, options );
909
910	var atOffset, targetWidth, targetHeight, targetOffset, basePosition, dimensions,
911
912		// Make sure string options are treated as CSS selectors
913		target = typeof options.of === "string" ?
914			$( document ).find( options.of ) :
915			$( options.of ),
916
917		within = $.position.getWithinInfo( options.within ),
918		scrollInfo = $.position.getScrollInfo( within ),
919		collision = ( options.collision || "flip" ).split( " " ),
920		offsets = {};
921
922	dimensions = getDimensions( target );
923	if ( target[ 0 ].preventDefault ) {
924
925		// Force left top to allow flipping
926		options.at = "left top";
927	}
928	targetWidth = dimensions.width;
929	targetHeight = dimensions.height;
930	targetOffset = dimensions.offset;
931
932	// Clone to reuse original targetOffset later
933	basePosition = $.extend( {}, targetOffset );
934
935	// Force my and at to have valid horizontal and vertical positions
936	// if a value is missing or invalid, it will be converted to center
937	$.each( [ "my", "at" ], function() {
938		var pos = ( options[ this ] || "" ).split( " " ),
939			horizontalOffset,
940			verticalOffset;
941
942		if ( pos.length === 1 ) {
943			pos = rhorizontal.test( pos[ 0 ] ) ?

944				pos.concat( [ "center" ] ) :
945				rvertical.test( pos[ 0 ] ) ?
946					[ "center" ].concat( pos ) :
947					[ "center", "center" ];
948		}
949		pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center";
950		pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center";
951
952		// Calculate offsets
953		horizontalOffset = roffset.exec( pos[ 0 ] );
954		verticalOffset = roffset.exec( pos[ 1 ] );
955		offsets[ this ] = [
956			horizontalOffset ? horizontalOffset[ 0 ] : 0,
957			verticalOffset ? verticalOffset[ 0 ] : 0
958		];
959
960		// Reduce to just the positions without the offsets
961		options[ this ] = [
962			rposition.exec( pos[ 0 ] )[ 0 ],
963			rposition.exec( pos[ 1 ] )[ 0 ]
964		];
965	} );
966
967	// Normalize collision option
968	if ( collision.length === 1 ) {
969		collision[ 1 ] = collision[ 0 ];
970	}
971
972	if ( options.at[ 0 ] === "right" ) {
973		basePosition.left += targetWidth;
974	} else if ( options.at[ 0 ] === "center" ) {
975		basePosition.left += targetWidth / 2;
976	}
977
978	if ( options.at[ 1 ] === "bottom" ) {
979		basePosition.top += targetHeight;
980	} else if ( options.at[ 1 ] === "center" ) {
981		basePosition.top += targetHeight / 2;
982	}
983
984	atOffset = getOffsets( offsets.at, targetWidth, targetHeight );
985	basePosition.left += atOffset[ 0 ];
986	basePosition.top += atOffset[ 1 ];
987
988	return this.each( function() {
989		var collisionPosition, using,
990			elem = $( this ),
991			elemWidth = elem.outerWidth(),
992			elemHeight = elem.outerHeight(),
993			marginLeft = parseCss( this, "marginLeft" ),
994			marginTop = parseCss( this, "marginTop" ),
995			collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) +
996				scrollInfo.width,
997			collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) +
998				scrollInfo.height,
999			position = $.extend( {}, basePosition ),
1000			myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );
1001
1002		if ( options.my[ 0 ] === "right" ) {
1003			position.left -= elemWidth;
1004		} else if ( options.my[ 0 ] === "center" ) {
1005			position.left -= elemWidth / 2;
1006		}
1007
1008		if ( options.my[ 1 ] === "bottom" ) {
1009			position.top -= elemHeight;
1010		} else if ( options.my[ 1 ] === "center" ) {
1011			position.top -= elemHeight / 2;
1012		}
1013
1014		position.left += myOffset[ 0 ];
1015		position.top += myOffset[ 1 ];
1016
1017		collisionPosition = {
1018			marginLeft: marginLeft,
1019			marginTop: marginTop
1020		};
1021
1022		$.each( [ "left", "top" ], function( i, dir ) {
1023			if ( $.ui.position[ collision[ i ] ] ) {
1024				$.ui.position[ collision[ i ] ][ dir ]( position, {
1025					targetWidth: targetWidth,
1026					targetHeight: targetHeight,
1027					elemWidth: elemWidth,
1028					elemHeight: elemHeight,
1029					collisionPosition: collisionPosition,
1030					collisionWidth: collisionWidth,
1031					collisionHeight: collisionHeight,
1032					offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ],
1033					my: options.my,
1034					at: options.at,
1035					within: within,
1036					elem: elem
1037				} );
1038			}
1039		} );
1040
1041		if ( options.using ) {
1042
1043			// Adds feedback as second argument to using callback, if present
1044			using = function( props ) {
1045				var left = targetOffset.left - position.left,
1046					right = left + targetWidth - elemWidth,
1047					top = targetOffset.top - position.top,
1048					bottom = top + targetHeight - elemHeight,
1049					feedback = {
1050						target: {
1051							element: target,
1052							left: targetOffset.left,
1053							top: targetOffset.top,
1054							width: targetWidth,
1055							height: targetHeight
1056						},
1057						element: {
1058							element: elem,
1059							left: position.left,
1060							top: position.top,
1061							width: elemWidth,
1062							height: elemHeight
1063						},
1064						horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
1065						vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
1066					};
1067				if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) {
1068					feedback.horizontal = "center";
1069				}
1070				if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) {
1071					feedback.vertical = "middle";
1072				}
1073				if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) {
1074					feedback.important = "horizontal";
1075				} else {
1076					feedback.important = "vertical";
1077				}
1078				options.using.call( this, props, feedback );
1079			};
1080		}
1081
1082		elem.offset( $.extend( position, { using: using } ) );
1083	} );
1084};
1085
1086$.ui.position = {
1087	fit: {
1088		left: function( position, data ) {
1089			var within = data.within,
1090				withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
1091				outerWidth = within.width,
1092				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
1093				overLeft = withinOffset - collisionPosLeft,
1094				overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
1095				newOverRight;
1096

1097			// Element is wider than within
1098			if ( data.collisionWidth > outerWidth ) {
1099
1100				// Element is initially over the left side of within
1101				if ( overLeft > 0 && overRight <= 0 ) {
1102					newOverRight = position.left + overLeft + data.collisionWidth - outerWidth -
1103						withinOffset;
1104					position.left += overLeft - newOverRight;
1105
1106				// Element is initially over right side of within
1107				} else if ( overRight > 0 && overLeft <= 0 ) {
1108					position.left = withinOffset;
1109
1110				// Element is initially over both left and right sides of within
1111				} else {
1112					if ( overLeft > overRight ) {
1113						position.left = withinOffset + outerWidth - data.collisionWidth;
1114					} else {
1115						position.left = withinOffset;
1116					}
1117				}
1118
1119			// Too far left -> align with left edge
1120			} else if ( overLeft > 0 ) {
1121				position.left += overLeft;
1122
1123			// Too far right -> align with right edge
1124			} else if ( overRight > 0 ) {
1125				position.left -= overRight;
1126
1127			// Adjust based on position and margin
1128			} else {
1129				position.left = max( position.left - collisionPosLeft, position.left );
1130			}
1131		},
1132		top: function( position, data ) {
1133			var within = data.within,
1134				withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
1135				outerHeight = data.within.height,
1136				collisionPosTop = position.top - data.collisionPosition.marginTop,
1137				overTop = withinOffset - collisionPosTop,
1138				overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
1139				newOverBottom;
1140
1141			// Element is taller than within
1142			if ( data.collisionHeight > outerHeight ) {
1143
1144				// Element is initially over the top of within
1145				if ( overTop > 0 && overBottom <= 0 ) {
1146					newOverBottom = position.top + overTop + data.collisionHeight - outerHeight -
1147						withinOffset;
1148					position.top += overTop - newOverBottom;
1149
1150				// Element is initially over bottom of within
1151				} else if ( overBottom > 0 && overTop <= 0 ) {
1152					position.top = withinOffset;
1153
1154				// Element is initially over both top and bottom of within
1155				} else {
1156					if ( overTop > overBottom ) {
1157						position.top = withinOffset + outerHeight - data.collisionHeight;
1158					} else {
1159						position.top = withinOffset;
1160					}
1161				}
1162
1163			// Too far up -> align with top
1164			} else if ( overTop > 0 ) {
1165				position.top += overTop;
1166
1167			// Too far down -> align with bottom edge
1168			} else if ( overBottom > 0 ) {
1169				position.top -= overBottom;
1170
1171			// Adjust based on position and margin
1172			} else {
1173				position.top = max( position.top - collisionPosTop, position.top );
1174			}
1175		}
1176	},
1177	flip: {
1178		left: function( position, data ) {
1179			var within = data.within,
1180				withinOffset = within.offset.left + within.scrollLeft,
1181				outerWidth = within.width,
1182				offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left,
1183				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
1184				overLeft = collisionPosLeft - offsetLeft,
1185				overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
1186				myOffset = data.my[ 0 ] === "left" ?
1187					-data.elemWidth :
1188					data.my[ 0 ] === "right" ?
1189						data.elemWidth :
1190						0,
1191				atOffset = data.at[ 0 ] === "left" ?
1192					data.targetWidth :
1193					data.at[ 0 ] === "right" ?
1194						-data.targetWidth :
1195						0,
1196				offset = -2 * data.offset[ 0 ],
1197				newOverRight,
1198				newOverLeft;
1199
1200			if ( overLeft < 0 ) {
1201				newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth -
1202					outerWidth - withinOffset;
1203				if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) {
1204					position.left += myOffset + atOffset + offset;
1205				}
1206			} else if ( overRight > 0 ) {
1207				newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset +
1208					atOffset + offset - offsetLeft;
1209				if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) {
1210					position.left += myOffset + atOffset + offset;
1211				}
1212			}
1213		},
1214		top: function( position, data ) {
1215			var within = data.within,
1216				withinOffset = within.offset.top + within.scrollTop,
1217				outerHeight = within.height,
1218				offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
1219				collisionPosTop = position.top - data.collisionPosition.marginTop,
1220				overTop = collisionPosTop - offsetTop,
1221				overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
1222				top = data.my[ 1 ] === "top",
1223				myOffset = top ?
1224					-data.elemHeight :
1225					data.my[ 1 ] === "bottom" ?
1226						data.elemHeight :
1227						0,
1228				atOffset = data.at[ 1 ] === "top" ?
1229					data.targetHeight :
1230					data.at[ 1 ] === "bottom" ?
1231						-data.targetHeight :
1232						0,
1233				offset = -2 * data.offset[ 1 ],
1234				newOverTop,
1235				newOverBottom;
1236			if ( overTop < 0 ) {
1237				newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight -
1238					outerHeight - withinOffset;
1239				if ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) {
1240					position.top += myOffset + atOffset + offset;
1241				}
1242			} else if ( overBottom > 0 ) {
1243				newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset +
1244					offset - offsetTop;
1245				if ( newOverTop > 0 || abs( newOverTop ) < overBottom ) {
1246					position.top += myOffset + atOffset + offset;
1247				}
1248			}
1249		}
1250	},
1251	flipfit: {
1252		left: function() {
1253			$.ui.position.flip.left.apply( this, arguments );
1254			$.ui.position.fit.left.apply( this, arguments );
1255		},
1256		top: function() {
1257			$.ui.position.flip.top.apply( this, arguments );
1258			$.ui.position.fit.top.apply( this, arguments );
1259		}
1260	}
1261};
1262
1263} )();
1264
1265var position = $.ui.position;
1266
1267
1268/*!
1269 * jQuery UI :data 1.14.2
1270 * https://jqueryui.com
1271 *
1272 * Copyright OpenJS Foundation and other contributors
1273 * Released under the MIT license.
1274 * https://jquery.org/license
1275 */
1276
1277//>>label: :data Selector
1278//>>group: Core
1279//>>description: Selects elements which have data stored under the specified key.
1280//>>docs: https://api.jqueryui.com/data-selector/
1281
1282
1283var data = $.extend( $.expr.pseudos, {
1284	data: $.expr.createPseudo( function( dataName ) {
1285		return function( elem ) {
1286			return !!$.data( elem, dataName );
1287		};
1288	} )
1289} );
1290
1291/*!
1292 * jQuery UI Disable Selection 1.14.2
1293 * https://jqueryui.com
1294 *
1295 * Copyright OpenJS Foundation and other contributors
1296 * Released under the MIT license.
1297 * https://jquery.org/license
1298 */
1299
1300//>>label: disableSelection
1301//>>group: Core
1302//>>description: Disable selection of text content within the set of matched elements.
1303//>>docs: https://api.jqueryui.com/disableSelection/
1304
1305// This file is deprecated
1306
1307var disableSelection = $.fn.extend( {
1308	disableSelection: ( function() {
1309		var eventType = "onselectstart" in document.createElement( "div" ) ?
1310			"selectstart" :
1311			"mousedown";
1312
1313		return function() {
1314			return this.on( eventType + ".ui-disableSelection", function( event ) {
1315				event.preventDefault();
1316			} );
1317		};
1318	} )(),
1319
1320	enableSelection: function() {
1321		return this.off( ".ui-disableSelection" );
1322	}
1323} );
1324
1325

1326/*!
1327 * jQuery UI Focusable 1.14.2
1328 * https://jqueryui.com
1329 *
1330 * Copyright OpenJS Foundation and other contributors
1331 * Released under the MIT license.
1332 * https://jquery.org/license
1333 */
1334
1335//>>label: :focusable Selector
1336//>>group: Core
1337//>>description: Selects elements which can be focused.
1338//>>docs: https://api.jqueryui.com/focusable-selector/
1339
1340
1341// Selectors
1342$.ui.focusable = function( element, hasTabindex ) {
1343	var map, mapName, img, focusableIfVisible, fieldset,
1344		nodeName = element.nodeName.toLowerCase();
1345
1346	if ( "area" === nodeName ) {
1347		map = element.parentNode;
1348		mapName = map.name;
1349		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
1350			return false;
1351		}
1352		img = $( "img[usemap='#" + mapName + "']" );
1353		return img.length > 0 && img.is( ":visible" );
1354	}
1355
1356	if ( /^(input|select|textarea|button|object)$/.test( nodeName ) ) {
1357		focusableIfVisible = !element.disabled;
1358
1359		if ( focusableIfVisible ) {
1360
1361			// Form controls within a disabled fieldset are disabled.
1362			// However, controls within the fieldset's legend do not get disabled.
1363			// Since controls generally aren't placed inside legends, we skip
1364			// this portion of the check.
1365			fieldset = $( element ).closest( "fieldset" )[ 0 ];
1366			if ( fieldset ) {
1367				focusableIfVisible = !fieldset.disabled;
1368			}
1369		}
1370	} else if ( "a" === nodeName ) {
1371		focusableIfVisible = element.href || hasTabindex;
1372	} else {
1373		focusableIfVisible = hasTabindex;
1374	}
1375
1376	return focusableIfVisible && $( element ).is( ":visible" ) &&
1377		$( element ).css( "visibility" ) === "visible";
1378};
1379
1380$.extend( $.expr.pseudos, {
1381	focusable: function( element ) {
1382		return $.ui.focusable( element, $.attr( element, "tabindex" ) != null );
1383	}
1384} );
1385
1386var focusable = $.ui.focusable;
1387
1388
1389/*!
1390 * jQuery UI Form Reset Mixin 1.14.2
1391 * https://jqueryui.com
1392 *
1393 * Copyright OpenJS Foundation and other contributors
1394 * Released under the MIT license.
1395 * https://jquery.org/license
1396 */
1397
1398//>>label: Form Reset Mixin
1399//>>group: Core
1400//>>description: Refresh input widgets when their form is reset
1401//>>docs: https://api.jqueryui.com/form-reset-mixin/
1402
1403
1404var formResetMixin = $.ui.formResetMixin = {
1405	_formResetHandler: function() {
1406		var form = $( this );
1407
1408		// Wait for the form reset to actually happen before refreshing
1409		setTimeout( function() {
1410			var instances = form.data( "ui-form-reset-instances" );
1411			$.each( instances, function() {
1412				this.refresh();
1413			} );
1414		} );
1415	},
1416
1417	_bindFormResetHandler: function() {
1418		this.form = $( this.element.prop( "form" ) );
1419		if ( !this.form.length ) {
1420			return;
1421		}
1422
1423		var instances = this.form.data( "ui-form-reset-instances" ) || [];
1424		if ( !instances.length ) {
1425
1426			// We don't use _on() here because we use a single event handler per form
1427			this.form.on( "reset.ui-form-reset", this._formResetHandler );
1428		}
1429		instances.push( this );
1430		this.form.data( "ui-form-reset-instances", instances );
1431	},
1432
1433	_unbindFormResetHandler: function() {
1434		if ( !this.form.length ) {
1435			return;
1436		}
1437
1438		var instances = this.form.data( "ui-form-reset-instances" );
1439		instances.splice( $.inArray( this, instances ), 1 );
1440		if ( instances.length ) {
1441			this.form.data( "ui-form-reset-instances", instances );
1442		} else {
1443			this.form
1444				.removeData( "ui-form-reset-instances" )
1445				.off( "reset.ui-form-reset" );
1446		}
1447	}
1448};
1449
1450
1451/*!
1452 * jQuery UI Legacy jQuery Core patches 1.14.2
1453 * https://jqueryui.com
1454 *
1455 * Copyright OpenJS Foundation and other contributors
1456 * Released under the MIT license.
1457 * https://jquery.org/license
1458 *
1459 */
1460
1461//>>label: Legacy jQuery Core patches
1462//>>group: Core
1463//>>description: Backport `.even()`, `.odd()` and `$.escapeSelector` to older jQuery Core versions (deprecated)
1464
1465
1466// Support: jQuery 2.2.x or older.
1467// This method has been defined in jQuery 3.0.0.
1468// Code from https://github.com/jquery/jquery/blob/e539bac79e666bba95bba86d690b4e609dca2286/src/selector/escapeSelector.js
1469if ( !$.escapeSelector ) {
1470	$.escapeSelector = function( id ) {
1471		return CSS.escape( id + "" );
1472	};
1473}
1474
1475// Support: jQuery 3.4.x or older
1476// These methods have been defined in jQuery 3.5.0.
1477if ( !$.fn.even || !$.fn.odd ) {
1478	$.fn.extend( {
1479		even: function() {
1480			return this.filter( function( i ) {
1481				return i % 2 === 0;
1482			} );
1483		},
1484		odd: function() {
1485			return this.filter( function( i ) {
1486				return i % 2 === 1;
1487			} );
1488		}
1489	} );
1490}
1491
1492;
1493/*!
1494 * jQuery UI Keycode 1.14.2
1495 * https://jqueryui.com
1496 *
1497 * Copyright OpenJS Foundation and other contributors
1498 * Released under the MIT license.
1499 * https://jquery.org/license
1500 */
1501
1502//>>label: Keycode
1503//>>group: Core
1504//>>description: Provide keycodes as keynames
1505//>>docs: https://api.jqueryui.com/jQuery.ui.keyCode/
1506
1507
1508var keycode = $.ui.keyCode = {
1509	BACKSPACE: 8,
1510	COMMA: 188,
1511	DELETE: 46,
1512	DOWN: 40,
1513	END: 35,
1514	ENTER: 13,
1515	ESCAPE: 27,
1516	HOME: 36,
1517	LEFT: 37,
1518	PAGE_DOWN: 34,
1519	PAGE_UP: 33,
1520	PERIOD: 190,
1521	RIGHT: 39,
1522	SPACE: 32,
1523	TAB: 9,
1524	UP: 38
1525};
1526
1527
1528/*!
1529 * jQuery UI Labels 1.14.2
1530 * https://jqueryui.com
1531 *
1532 * Copyright OpenJS Foundation and other contributors
1533 * Released under the MIT license.
1534 * https://jquery.org/license
1535 */
1536
1537//>>label: labels
1538//>>group: Core
1539//>>description: Find all the labels associated with a given input
1540//>>docs: https://api.jqueryui.com/labels/
1541
1542
1543var labels = $.fn.labels = function() {
1544	var ancestor, selector, id, labels, ancestors;
1545
1546	if ( !this.length ) {
1547		return this.pushStack( [] );
1548	}
1549
1550	// Check control.labels first
1551	if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
1552		return this.pushStack( this[ 0 ].labels );
1553	}
1554
1555	// If `control.labels` is empty - e.g. inside of document fragments - find
1556	// the labels manually
1557	labels = this.eq( 0 ).parents( "label" );
1558
1559	// Look for the label based on the id
1560	id = this.attr( "id" );
1561	if ( id ) {
1562
1563		// We don't search against the document in case the element
1564		// is disconnected from the DOM
1565		ancestor = this.eq( 0 ).parents().last();
1566
1567		// Get a full set of top level ancestors
1568		ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );
1569
1570		// Create a selector for the label based on the id
1571		selector = "label[for='" + CSS.escape( id ) + "']";
1572
1573		labels = labels.add( ancestors.find( selector ).addBack( selector ) );
1574
1575	}
1576
1577	// Return whatever we have found for labels
1578	return this.pushStack( labels );
1579};
1580
1581
1582/*!
1583 * jQuery UI Scroll Parent 1.14.2
1584 * https://jqueryui.com
1585 *
1586 * Copyright OpenJS Foundation and other contributors
1587 * Released under the MIT license.
1588 * https://jquery.org/license
1589 */
1590
1591//>>label: scrollParent
1592//>>group: Core
1593//>>description: Get the closest ancestor element that is scrollable.
1594//>>docs: https://api.jqueryui.com/scrollParent/
1595
1596
1597var scrollParent = $.fn.scrollParent = function( includeHidden ) {
1598	var position = this.css( "position" ),
1599		excludeStaticParent = position === "absolute",
1600		overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
1601		scrollParent = this.parents().filter( function() {
1602			var parent = $( this );
1603			if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
1604				return false;
1605			}
1606			return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) +
1607				parent.css( "overflow-x" ) );
1608		} ).eq( 0 );
1609
1610	return position === "fixed" || !scrollParent.length ?
1611		$( this[ 0 ].ownerDocument || document ) :
1612		scrollParent;
1613};
1614
1615
1616/*!
1617 * jQuery UI Tabbable 1.14.2
1618 * https://jqueryui.com
1619 *
1620 * Copyright OpenJS Foundation and other contributors
1621 * Released under the MIT license.
1622 * https://jquery.org/license
1623 */
1624
1625//>>label: :tabbable Selector
1626//>>group: Core
1627//>>description: Selects elements which can be tabbed to.
1628//>>docs: https://api.jqueryui.com/tabbable-selector/
1629
1630
1631var tabbable = $.extend( $.expr.pseudos, {
1632	tabbable: function( element ) {
1633		var tabIndex = $.attr( element, "tabindex" ),
1634			hasTabindex = tabIndex != null;
1635		return ( !hasTabindex || tabIndex >= 0 ) && $.ui.focusable( element, hasTabindex );
1636	}
1637} );
1638
1639
1640/*!
1641 * jQuery UI Unique ID 1.14.2
1642 * https://jqueryui.com
1643 *
1644 * Copyright OpenJS Foundation and other contributors
1645 * Released under the MIT license.
1646 * https://jquery.org/license
1647 */
1648
1649//>>label: uniqueId
1650//>>group: Core
1651//>>description: Functions to generate and remove uniqueId's
1652//>>docs: https://api.jqueryui.com/uniqueId/
1653
1654
1655var uniqueId = $.fn.extend( {
1656	uniqueId: ( function() {
1657		var uuid = 0;
1658
1659		return function() {
1660			return this.each( function() {
1661				if ( !this.id ) {
1662					this.id = "ui-id-" + ( ++uuid );
1663				}
1664			} );
1665		};
1666	} )(),
1667
1668	removeUniqueId: function() {
1669		return this.each( function() {
1670			if ( /^ui-id-\d+$/.test( this.id ) ) {
1671				$( this ).removeAttr( "id" );
1672			}
1673		} );
1674	}
1675} )

1675;
1676
1677
1678/*!
1679 * jQuery UI Mouse 1.14.2
1680 * https://jqueryui.com
1681 *
1682 * Copyright OpenJS Foundation and other contributors
1683 * Released under the MIT license.
1684 * https://jquery.org/license
1685 */
1686
1687//>>label: Mouse
1688//>>group: Widgets
1689//>>description: Abstracts mouse-based interactions to assist in creating certain widgets.
1690//>>docs: https://api.jqueryui.com/mouse/
1691
1692
1693var mouseHandled = false;
1694$( document ).on( "mouseup", function() {
1695	mouseHandled = false;
1696} );
1697
1698var widgetsMouse = $.widget( "ui.mouse", {
1699	version: "1.14.2",
1700	options: {
1701		cancel: "input, textarea, button, select, option",
1702		distance: 1,
1703		delay: 0
1704	},
1705	_mouseInit: function() {
1706		var that = this;
1707
1708		this.element
1709			.on( "mousedown." + this.widgetName, function( event ) {
1710				return that._mouseDown( event );
1711			} )
1712			.on( "click." + this.widgetName, function( event ) {
1713				if ( true === $.data( event.target, that.widgetName + ".preventClickEvent" ) ) {
1714					$.removeData( event.target, that.widgetName + ".preventClickEvent" );
1715					event.stopImmediatePropagation();
1716					return false;
1717				}
1718			} );
1719
1720		this.started = false;
1721	},
1722
1723	// TODO: make sure destroying one instance of mouse doesn't mess with
1724	// other instances of mouse
1725	_mouseDestroy: function() {
1726		this.element.off( "." + this.widgetName );
1727		if ( this._mouseMoveDelegate ) {
1728			this.document
1729				.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1730				.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
1731		}
1732	},
1733
1734	_mouseDown: function( event ) {
1735
1736		// don't let more than one widget handle mouseStart
1737		if ( mouseHandled ) {
1738			return;
1739		}
1740
1741		this._mouseMoved = false;
1742
1743		// We may have missed mouseup (out of window)
1744		if ( this._mouseStarted ) {
1745			this._mouseUp( event );
1746		}
1747
1748		this._mouseDownEvent = event;
1749
1750		var that = this,
1751			btnIsLeft = event.which === 1,
1752			elIsCancel = typeof this.options.cancel === "string" ?
1753				$( event.target ).closest( this.options.cancel ).length :
1754				false;
1755		if ( !btnIsLeft || elIsCancel || !this._mouseCapture( event ) ) {
1756			return true;
1757		}
1758
1759		this.mouseDelayMet = !this.options.delay;
1760		if ( !this.mouseDelayMet ) {
1761			this._mouseDelayTimer = setTimeout( function() {
1762				that.mouseDelayMet = true;
1763			}, this.options.delay );
1764		}
1765
1766		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
1767			this._mouseStarted = ( this._mouseStart( event ) !== false );
1768			if ( !this._mouseStarted ) {
1769				event.preventDefault();
1770				return true;
1771			}
1772		}
1773
1774		// Click event may never have fired (Gecko & Opera)
1775		if ( true === $.data( event.target, this.widgetName + ".preventClickEvent" ) ) {
1776			$.removeData( event.target, this.widgetName + ".preventClickEvent" );
1777		}
1778
1779		// These delegates are required to keep context
1780		this._mouseMoveDelegate = function( event ) {
1781			return that._mouseMove( event );
1782		};
1783		this._mouseUpDelegate = function( event ) {
1784			return that._mouseUp( event );
1785		};
1786
1787		this.document
1788			.on( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1789			.on( "mouseup." + this.widgetName, this._mouseUpDelegate );
1790
1791		event.preventDefault();
1792
1793		mouseHandled = true;
1794		return true;
1795	},
1796
1797	_mouseMove: function( event ) {
1798
1799		// Only check for mouseups outside the document if you've moved inside the document
1800		// at least once.
1801		if ( this._mouseMoved && !event.which ) {
1802
1803			// Support: Safari <=8 - 9
1804			// Safari sets which to 0 if you press any of the following keys
1805			// during a drag (#14461)
1806			if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
1807					event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
1808				this.ignoreMissingWhich = true;
1809			} else if ( !this.ignoreMissingWhich ) {
1810				return this._mouseUp( event );
1811			}
1812		}
1813
1814		if ( event.which || event.button ) {
1815			this._mouseMoved = true;
1816		}
1817
1818		if ( this._mouseStarted ) {
1819			this._mouseDrag( event );
1820			return event.preventDefault();
1821		}
1822
1823		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
1824			this._mouseStarted =
1825				( this._mouseStart( this._mouseDownEvent, event ) !== false );
1826			if ( this._mouseStarted ) {
1827				this._mouseDrag( event );
1828			} else {
1829				this._mouseUp( event );
1830			}
1831		}
1832
1833		return !this._mouseStarted;
1834	},
1835
1836	_mouseUp: function( event ) {
1837		this.document
1838			.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1839			.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
1840
1841		if ( this._mouseStarted ) {
1842			this._mouseStarted = false;
1843
1844			if ( event.target === this._mouseDownEvent.target ) {
1845				$.data( event.target, this.widgetName + ".preventClickEvent", true );
1846			}
1847
1848			this._mouseStop( event );
1849		}
1850
1851		if ( this._mouseDelayTimer ) {
1852			clearTimeout( this._mouseDelayTimer );
1853			delete this._mouseDelayTimer;
1854		}
1855
1856		this.ignoreMissingWhich = false;
1857		mouseHandled = false;
1858		event.preventDefault();
1859	},
1860
1861	_mouseDistanceMet: function( event ) {
1862		return ( Math.max(
1863				Math.abs( this._mouseDownEvent.pageX - event.pageX ),
1864				Math.abs( this._mouseDownEvent.pageY - event.pageY )
1865			) >= this.options.distance
1866		);
1867	},
1868
1869	_mouseDelayMet: function( /* event */ ) {
1870		return this.mouseDelayMet;
1871	},
1872
1873	// These are placeholder methods, to be overriden by extending plugin
1874	_mouseStart: function( /* event */ ) {},
1875	_mouseDrag: function( /* event */ ) {},
1876	_mouseStop: function( /* event */ ) {},
1877	_mouseCapture: function( /* event */ ) {
1878		return true;
1879	}
1880} );
1881
1882
1883
1884// $.ui.plugin is deprecated. Use $.widget() extensions instead.
1885var plugin = $.ui.plugin = {
1886	add: function( module, option, set ) {
1887		var i,
1888			proto = $.ui[ module ].prototype;
1889		for ( i in set ) {
1890			proto.plugins[ i ] = proto.plugins[ i ] || [];
1891			proto.plugins[ i ].push( [ option, set[ i ] ] );
1892		}
1893	},
1894	call: function( instance, name, args, allowDisconnected ) {
1895		var i,
1896			set = instance.plugins[ name ];
1897
1898		if ( !set ) {
1899			return;
1900		}
1901
1902		if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode ||
1903				instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
1904			return;
1905		}
1906
1907		for ( i = 0; i < set.length; i++ ) {
1908			if ( instance.options[ set[ i ][ 0 ] ] ) {
1909				set[ i ][ 1 ].apply( instance.element, args );
1910			}
1911		}
1912	}
1913};
1914
1915
1916/*!
1917 * jQuery UI Draggable 1.14.2
1918 * https://jqueryui.com
1919 *
1920 * Copyright OpenJS Foundation and other contributors
1921 * Released under the MIT license.
1922 * https://jquery.org/license
1923 */
1924
1925//>>label: Draggable
1926//>>group: Interactions
1927//>>description: Enables dragging functionality for any element.
1928//>>docs: https://api.jqueryui.com/draggable/
1929//>>demos: https://jqueryui.com/draggable/
1930//>>css.structure: ../../themes/base/draggable.css
1931
1932
1933$.widget( "ui.draggable", $.ui.mouse, {
1934	version: "1.14.2",
1935	widgetEventPrefix: "drag",
1936	options: {
1937		addClasses: true,
1938		appendTo: "parent",
1939		axis: false,
1940		connectToSortable: false,
1941		containment: false,
1942		cursor: "auto",
1943		cursorAt: false,
1944		grid: false,
1945		handle: false,
1946		helper: "original",
1947		iframeFix: false,
1948		opacity: false,
1949		refreshPositions: false,
1950		revert: false,
1951		revertDuration: 500,
1952		scope: "default",
1953		scroll: true,
1954		scrollSensitivity: 20,
1955		scrollSpeed: 20,
1956		snap: false,
1957		snapMode: "both",
1958		snapTolerance: 20,
1959		stack: false,
1960		zIndex: false,
1961
1962		// Callbacks
1963		drag: null,
1964		start: null,
1965		stop: null
1966	},
1967	_create: function() {
1968
1969		if ( this.options.helper === "original" ) {
1970			this._setPositionRelative();
1971		}
1972		if ( this.options.addClasses ) {
1973			this._addClass( "ui-draggable" );
1974		}
1975		this._setHandleClassName();
1976
1977		this._mouseInit();
1978	},
1979
1980	_setOption: function( key, value ) {
1981		this._super( key, value );
1982		if ( key === "handle" ) {
1983			this._removeHandleClassName();
1984			this._setHandleClassName();
1985		}
1986	},
1987
1988	_destroy: function() {
1989		if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
1990			this.destroyOnClear = true;
1991			return;
1992		}
1993		this._removeHandleClassName();
1994		this._mouseDestroy();
1995	},
1996
1997	_mouseCapture: function( event ) {
1998		var o = this.options;
1999
2000		// Among others, prevent a drag on a resizable-handle
2001		if ( this.helper || o.disabled ||
2002				$( event.target ).closest( ".ui-resizable-handle" ).length > 0 ) {
2003			return false;
2004		}
2005
2006		//Quit if we're not on a valid handle
2007		this.handle = this._getHandle( event );
2008		if ( !this.handle ) {
2009			return false;
2010		}
2011
2012		this._blurActiveElement( event );
2013
2014		this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );
2015
2016		return true;
2017
2018	},
2019
2020	_blockFrames: function( selector ) {
2021		this.iframeBlocks = this.document.find( selector ).map( function() {
2022			var iframe = $( this );
2023
2024			return $( "<div>" )
2025				.css( "position", "absolute" )
2026				.appendTo( iframe.parent() )
2027				.outerWidth( iframe.outerWidth() )
2028				.outerHeight( iframe.outerHeight() )
2029				.offset( iframe.offset() )[ 0 ];
2030		} );
2031	},
2032
2033	_unblockFrames: function() {
2034		if ( this.iframeBlocks ) {
2035			this.iframeBlocks.remove();
2036			delete this.iframeBlocks;
2037		}
2038	},
2039
2040	_blurActiveElement: function( event ) {
2041		var activeElement = this.document[ 0 ].activeElement,
2042			target = $( event.target );
2043
2044		// Don't blur if the event occurred on an element that is within
2045		// the currently focused element
2046		// See #10527, #12472
2047		if ( target.closest( activeElement ).length ) {
2048			return;
2049		}
2050
2051		// Blur any element that currently has focus, see #4261
2052		$( activeElement ).trigger( "blur" );
2053	},
2054
2055	_mouseStart: function( event ) {
2056
2057		var o = this.options;
2058
2059		//Create and append the visible helper
2060		this.helper = this._createHelper( event );
2061
2062		this._addClass( this.helper, "ui-draggable-dragging" );
2063
2064		//Cache the helper size
2065		this._cacheHelperProportions();
2066
2067		//If ddmanager is used for droppables, set the global draggable
2068		if ( $.ui.ddmanager ) {
2069			$.ui.ddmanager.current = this;
2070		}
2071
2072		/*
2073		 * - Position generation -
2074		 * This block generates everything position related - it's the core of draggables.
2075		 */
2076
2077		//Cache the margins of the original element
2078		this._cacheMargins();
2079
2080		//Store the helper's css position
2081		this.cssPosition = this.helper.css( "position" );
2082		this.scrollParent = this.helper.scrollParent( true );
2083		this.offsetParent = this.helper.offsetParent();
2084		this.hasFixedAncestor = this.helper.parents().filter( function() {
2085				return $( this ).css( "position" ) === "fixed";
2086			} ).length > 0;
2087
2088		//The element's absolute position on the page minus margins
2089		this.positionAbs = this.element.offset();
2090		this._refreshOffsets( event );
2091
2092		//Generate the original position
2093		this.originalPosition = this.position = this._generatePosition( event, false );
2094		this.originalPageX = event.pageX;
2095		this.originalPageY = event.pageY;
2096
2097		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
2098		if ( o.cursorAt ) {
2099			this._adjustOffsetFromHelper( o.cursorAt );
2100		}
2101
2102		//Set a containment if given in the options
2103		this._setContainment();
2104
2105		//Trigger event + callbacks
2106		if ( this._trigger( "start", event ) === false ) {
2107			this._clear();
2108			return false;
2109		}
2110
2111		//Recache the helper size
2112		this._cacheHelperProportions();
2113
2114		//Prepare the droppable offsets
2115		if ( $.ui.ddmanager && !o.dropBehaviour ) {
2116			$.ui.ddmanager.prepareOffsets( this, event );
2117		}
2118
2119		// Execute the drag once - this causes the helper not to be visible before getting its
2120		// correct position
2121		this._mouseDrag( event, true );
2122
2123		// If the ddmanager is used for droppables, inform the manager that dragging has started
2124		// (see #5003)
2125		if ( $.ui.ddmanager ) {
2126			$.ui.ddmanager.dragStart( this, event );
2127		}
2128
2129		return true;
2130	},
2131
2132	_refreshOffsets: function( event ) {
2133		this.offset = {
2134			top: this.positionAbs.top - this.margins.top,
2135			left: this.positionAbs.left - this.margins.left,
2136			scroll: false,
2137			parent: this._getParentOffset(),
2138			relative: this._getRelativeOffset()
2139		};
2140
2141		this.offset.click = {
2142			left: event.pageX - this.offset.left,
2143			top: event.pageY - this.offset.top
2144		};
2145	},
2146
2147	_mouseDrag: function( event, noPropagation ) {
2148
2149		// reset any necessary cached properties (see #5009)
2150		if ( this.hasFixedAncestor ) {
2151			this.offset.parent = this._getParentOffset();
2152		}
2153
2154		//Compute the helpers position
2155		this.position = this._generatePosition( event, true );
2156		this.positionAbs = this._convertPositionTo( "absolute" );
2157
2158		//Call plugins and callbacks and use the resulting position if something is returned
2159		if ( !noPropagation ) {
2160			var ui = this._uiHash();
2161			if ( this._trigger( "drag", event, ui ) === false ) {
2162				this._mouseUp( new $.Event( "mouseup", event ) );
2163				return false;
2164			}
2165			this.position = ui.position;
2166		}
2167
2168		this.helper[ 0 ].style.left = this.position.left + "px";
2169		this.helper[ 0 ].style.top = this.position.top + "px";
2170
2171		if ( $.ui.ddmanager ) {
2172			$.ui.ddmanager.drag( this, event );
2173		}
2174
2175		return false;
2176	},
2177
2178	_mouseStop: function( event ) {
2179
2180		//If we are using droppables, inform the manager about the drop
2181		var that = this,
2182			dropped = false;
2183		if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
2184			dropped = $.ui.ddmanager.drop( this, event );
2185		}
2186
2187		//if a drop comes from outside (a sortable)
2188		if ( this.dropped ) {
2189			dropped = this.dropped;
2190			this.dropped = false;
2191		}
2192
2193		if ( ( this.options.revert === "invalid" && !dropped ) ||
2194				( this.options.revert === "valid" && dropped ) ||
2195				this.options.revert === true || ( typeof this.options.revert === "function" &&
2196				this.options.revert.call( this.element, dropped ) )
2197		) {
2198			$( this.helper ).animate(
2199				this.originalPosition,
2200				parseInt( this.options.revertDuration, 10 ),
2201				function() {
2202					if ( that._trigger( "stop", event ) !== false ) {
2203						that._clear();
2204					}
2205				}
2206			);
2207		} else {
2208			if ( this._trigger( "stop", event ) !== false ) {
2209				this._clear();
2210			}
2211		}
2212
2213		return false;
2214	},
2215
2216	_mouseUp: function( event ) {
2217		this._unblockFrames();
2218
2219		// If the ddmanager is used for droppables, inform the manager that dragging has stopped
2220		// (see #5003)
2221		if ( $.ui.ddmanager ) {
2222			$.ui.ddmanager.dragStop( this, event );
2223		}
2224
2225		// Only need to focus if the event occurred on the draggable itself, see #10527
2226		if ( this.handleElement.is( event.target ) ) {
2227
2228			// The interaction is over; whether or not the click resulted in a drag,
2229			// focus the element
2230			this.element.trigger( "focus" );
2231		}
2232
2233		return $.ui.mouse.prototype._mouseUp.call( this, event );
2234	},
2235
2236	cancel: function() {
2237
2238		if ( this.helper.is( ".ui-draggable-dragging" ) ) {
2239			this._mouseUp( new $.Event( "mouseup", { target: this.element[ 0 ] } ) );
2240		} else {
2241			this._clear();
2242		}
2243
2244		return this;
2245
2246	},
2247
2248	_getHandle: function( event ) {
2249		return this.options.handle ?
2250			!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
2251			true;
2252	},
2253
2254	_setHandleClassName: function() {
2255		this.handleElement = this.options.handle ?
2256			this.element.find( this.options.handle ) : this.element;
2257		this._addClass( this.handleElement, "ui-draggable-handle" );
2258	},
2259
2260	_removeHandleClassName: function() {
2261		this._removeClass( this.handleElement, "ui-draggable-handle" );
2262	},
2263
2264	_createHelper: function( event ) {
2265
2266		var o = this.options,
2267			helperIsFunction = typeof o.helper === "function",
2268			helper = helperIsFunction ?
2269				$( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
2270				( o.helper === "clone" ?
2271					this.element.clone().removeAttr( "id" ) :
2272					this.element );
2273
2274		if ( !helper.parents( "body" ).length ) {
2275			helper.appendTo( ( o.appendTo === "parent" ?
2276				this.element[ 0 ].parentNode :
2277				o.appendTo ) );
2278		}
2279
2280		// https://bugs.jqueryui.com/ticket/9446
2281		// a helper function can return the original element
2282		// which wouldn't have been set to relative in _create
2283		if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
2284			this._setPositionRelative();
2285		}
2286
2287		if ( helper[ 0 ] !== this.element[ 0 ] &&
2288				!( /(fixed|absolute)/ ).test( helper.css( "position" ) ) ) {
2289			helper.css( "position", "absolute" );
2290		}
2291
2292		return helper;
2293
2294	},
2295
2296	_setPositionRelative: function() {
2297		if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
2298			this.element[ 0 ].style.position = "relative";
2299		}
2300	},
2301
2302	_adjustOffsetFromHelper: function( obj ) {
2303		if ( typeof obj === "string" ) {
2304			obj = obj.split( " " );
2305		}
2306		if ( Array.isArray( obj ) ) {
2307			obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
2308		}
2309		if ( "left" in obj ) {
2310			this.offset.click.left = obj.left + this.margins.left;
2311		}
2312		if ( "right" in obj ) {
2313			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
2314		}
2315		if ( "top" in obj ) {
2316			this.offset.click.top = obj.top + this.margins.top;
2317		}
2318		if ( "bottom" in obj ) {
2319			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
2320		}
2321	},
2322
2323	_isRootNode: function( element ) {
2324		return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
2325	},
2326
2327	_getParentOffset: function() {
2328
2329		//Get the offsetParent and cache its position
2330		var po = this.offsetParent.offset(),
2331			document = this.document[ 0 ];
2332
2333		// This is a special case where we need to modify a offset calculated on start, since the
2334		// following happened:
2335		// 1. The position of the helper is absolute, so it's position is calculated based on the
2336		// next positioned parent
2337		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
2338		// the document, which means that the scroll is included in the initial calculation of the
2339		// offset of the parent, and never recalculated upon drag
2340		if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== document &&
2341				$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
2342			po.left += this.scrollParent.scrollLeft();
2343			po.top += this.scrollParent.scrollTop();
2344		}
2345
2346		if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
2347			po = { top: 0, left: 0 };
2348		}
2349
2350		return {
2351			top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
2352			left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
2353		};
2354
2355	},
2356
2357	_getRelativeOffset: function() {
2358		if ( this.cssPosition !== "relative" ) {
2359			return { top: 0, left: 0 };
2360		}
2361
2362		var p = this.element.position(),
2363			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
2364
2365		return {
2366			top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
2367				( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
2368			left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
2369				( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
2370		};
2371
2372	},
2373
2374	_cacheMargins: function() {
2375		this.margins = {
2376			left: ( parseInt( this.element.css( "marginLeft" ), 10 ) || 0 ),
2377			top: ( parseInt( this.element.css( "marginTop" ), 10 ) || 0 ),
2378			right: ( parseInt( this.element.css( "marginRight" ), 10 ) || 0 ),
2379			bottom: ( parseInt( this.element.css( "marginBottom" ), 10 ) || 0 )
2380		};
2381	},
2382
2383	_cacheHelperProportions: function() {
2384		this.helperProportions = {
2385			width: this.helper.outerWidth(),
2386			height: this.helper.outerHeight()
2387		};
2388	},
2389
2390	_setContainment: function() {
2391
2392		var isUserScrollable, c, ce,
2393			o = this.options,
2394			document = this.document[ 0 ];
2395
2396		this.relativeContainer = null;
2397
2398		if ( !o.containment ) {
2399			this.containment = null;
2400			return;
2401		}
2402
2403		if ( o.containment === "window" ) {
2404			this.containment = [
2405				$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
2406				$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
2407				$( window ).scrollLeft() + $( window ).width() -
2408					this.helperProportions.width - this.margins.left,
2409				$( window ).scrollTop() +
2410					( $( window ).height() || document.body.parentNode.scrollHeight ) -
2411					this.helperProportions.height - this.margins.top
2412			];
2413			return;
2414		}
2415
2416		if ( o.containment === "document" ) {
2417			this.containment = [
2418				0,
2419				0,
2420				$( document ).width() - this.helperProportions.width - this.margins.left,
2421				( $( document ).height() || document.body.parentNode.scrollHeight ) -
2422					this.helperProportions.height - this.margins.top
2423			];
2424			return;
2425		}
2426
2427		if ( o.containment.constructor === Array ) {

2428			this.containment = o.containment;
2429			return;
2430		}
2431
2432		if ( o.containment === "parent" ) {
2433			o.containment = this.helper[ 0 ].parentNode;
2434		}
2435
2436		c = $( o.containment );
2437		ce = c[ 0 ];
2438
2439		if ( !ce ) {
2440			return;
2441		}
2442
2443		isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );
2444
2445		this.containment = [
2446			( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) +
2447				( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
2448			( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) +
2449				( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
2450			( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
2451				( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
2452				( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
2453				this.helperProportions.width -
2454				this.margins.left -
2455				this.margins.right,
2456			( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
2457				( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
2458				( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
2459				this.helperProportions.height -
2460				this.margins.top -
2461				this.margins.bottom
2462		];
2463		this.relativeContainer = c;
2464	},
2465
2466	_convertPositionTo: function( d, pos ) {
2467
2468		if ( !pos ) {
2469			pos = this.position;
2470		}
2471
2472		var mod = d === "absolute" ? 1 : -1,
2473			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
2474
2475		return {
2476			top: (
2477
2478				// The absolute mouse position
2479				pos.top	+
2480
2481				// Only for relative positioned nodes: Relative offset from element to offset parent
2482				this.offset.relative.top * mod +
2483
2484				// The offsetParent's offset without borders (offset + border)
2485				this.offset.parent.top * mod -
2486				( ( this.cssPosition === "fixed" ?
2487					-this.offset.scroll.top :
2488					( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod )
2489			),
2490			left: (
2491
2492				// The absolute mouse position
2493				pos.left +
2494
2495				// Only for relative positioned nodes: Relative offset from element to offset parent
2496				this.offset.relative.left * mod +
2497
2498				// The offsetParent's offset without borders (offset + border)
2499				this.offset.parent.left * mod	-
2500				( ( this.cssPosition === "fixed" ?
2501					-this.offset.scroll.left :
2502					( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod )
2503			)
2504		};
2505
2506	},
2507
2508	_generatePosition: function( event, constrainPosition ) {
2509
2510		var containment, co, top, left,
2511			o = this.options,
2512			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
2513			pageX = event.pageX,
2514			pageY = event.pageY;
2515
2516		// Cache the scroll
2517		if ( !scrollIsRootNode || !this.offset.scroll ) {
2518			this.offset.scroll = {
2519				top: this.scrollParent.scrollTop(),
2520				left: this.scrollParent.scrollLeft()
2521			};
2522		}
2523
2524		/*
2525		 * - Position constraining -
2526		 * Constrain the position to a mix of grid, containment.
2527		 */
2528
2529		// If we are not dragging yet, we won't check for options
2530		if ( constrainPosition ) {
2531			if ( this.containment ) {
2532				if ( this.relativeContainer ) {
2533					co = this.relativeContainer.offset();
2534					containment = [
2535						this.containment[ 0 ] + co.left,
2536						this.containment[ 1 ] + co.top,
2537						this.containment[ 2 ] + co.left,
2538						this.containment[ 3 ] + co.top
2539					];
2540				} else {
2541					containment = this.containment;
2542				}
2543
2544				if ( event.pageX - this.offset.click.left < containment[ 0 ] ) {
2545					pageX = containment[ 0 ] + this.offset.click.left;
2546				}
2547				if ( event.pageY - this.offset.click.top < containment[ 1 ] ) {
2548					pageY = containment[ 1 ] + this.offset.click.top;
2549				}
2550				if ( event.pageX - this.offset.click.left > containment[ 2 ] ) {
2551					pageX = containment[ 2 ] + this.offset.click.left;
2552				}
2553				if ( event.pageY - this.offset.click.top > containment[ 3 ] ) {
2554					pageY = containment[ 3 ] + this.offset.click.top;
2555				}
2556			}
2557
2558			if ( o.grid ) {
2559
2560				//Check for grid elements set to 0 to prevent divide by 0 error causing invalid
2561				// argument errors in IE (see ticket #6950)
2562				top = o.grid[ 1 ] ? this.originalPageY + Math.round( ( pageY -
2563					this.originalPageY ) / o.grid[ 1 ] ) * o.grid[ 1 ] : this.originalPageY;
2564				pageY = containment ? ( ( top - this.offset.click.top >= containment[ 1 ] ||
2565					top - this.offset.click.top > containment[ 3 ] ) ?
2566						top :
2567						( ( top - this.offset.click.top >= containment[ 1 ] ) ?
2568							top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : top;
2569
2570				left = o.grid[ 0 ] ? this.originalPageX +
2571					Math.round( ( pageX - this.originalPageX ) / o.grid[ 0 ] ) * o.grid[ 0 ] :
2572					this.originalPageX;
2573				pageX = containment ? ( ( left - this.offset.click.left >= containment[ 0 ] ||
2574					left - this.offset.click.left > containment[ 2 ] ) ?
2575						left :
2576						( ( left - this.offset.click.left >= containment[ 0 ] ) ?
2577							left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : left;
2578			}
2579
2580			if ( o.axis === "y" ) {
2581				pageX = this.originalPageX;
2582			}
2583
2584			if ( o.axis === "x" ) {
2585				pageY = this.originalPageY;
2586			}
2587		}
2588
2589		return {
2590			top: (
2591
2592				// The absolute mouse position
2593				pageY -
2594
2595				// Click offset (relative to the element)
2596				this.offset.click.top -
2597
2598				// Only for relative positioned nodes: Relative offset from element to offset parent
2599				this.offset.relative.top -
2600
2601				// The offsetParent's offset without borders (offset + border)
2602				this.offset.parent.top +
2603				( this.cssPosition === "fixed" ?
2604					-this.offset.scroll.top :
2605					( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
2606			),
2607			left: (
2608
2609				// The absolute mouse position
2610				pageX -
2611
2612				// Click offset (relative to the element)
2613				this.offset.click.left -
2614
2615				// Only for relative positioned nodes: Relative offset from element to offset parent
2616				this.offset.relative.left -
2617
2618				// The offsetParent's offset without borders (offset + border)
2619				this.offset.parent.left +
2620				( this.cssPosition === "fixed" ?
2621					-this.offset.scroll.left :
2622					( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
2623			)
2624		};
2625
2626	},
2627
2628	_clear: function() {
2629		this._removeClass( this.helper, "ui-draggable-dragging" );
2630		if ( this.helper[ 0 ] !== this.element[ 0 ] && !this.cancelHelperRemoval ) {
2631			this.helper.remove();
2632		}
2633		this.helper = null;
2634		this.cancelHelperRemoval = false;
2635		if ( this.destroyOnClear ) {
2636			this.destroy();
2637		}
2638	},
2639
2640	// From now on bulk stuff - mainly helpers
2641
2642	_trigger: function( type, event, ui ) {
2643		ui = ui || this._uiHash();
2644		$.ui.plugin.call( this, type, [ event, ui, this ], true );
2645
2646		// Absolute position and offset (see #6884 ) have to be recalculated after plugins
2647		if ( /^(drag|start|stop)/.test( type ) ) {
2648			this.positionAbs = this._convertPositionTo( "absolute" );
2649			ui.offset = this.positionAbs;
2650		}
2651		return $.Widget.prototype._trigger.call( this, type, event, ui );
2652	},
2653
2654	plugins: {},
2655
2656	_uiHash: function() {
2657		return {
2658			helper: this.helper,
2659			position: this.position,
2660			originalPosition: this.originalPosition,
2661			offset: this.positionAbs
2662		};
2663	}
2664
2665} );
2666
2667$.ui.plugin.add( "draggable", "connectToSortable", {
2668	start: function( event, ui, draggable ) {
2669		var uiSortable = $.extend( {}, ui, {
2670			item: draggable.element
2671		} );
2672
2673		draggable.sortables = [];
2674		$( draggable.options.connectToSortable ).each( function() {
2675			var sortable = $( this ).sortable( "instance" );
2676
2677			if ( sortable && !sortable.options.disabled ) {
2678				draggable.sortables.push( sortable );
2679
2680				// RefreshPositions is called at drag start to refresh the containerCache
2681				// which is used in drag. This ensures it's initialized and synchronized
2682				// with any changes that might have happened on the page since initialization.
2683				sortable.refreshPositions();
2684				sortable._trigger( "activate", event, uiSortable );
2685			}
2686		} );
2687	},
2688	stop: function( event, ui, draggable ) {
2689		var uiSortable = $.extend( {}, ui, {
2690			item: draggable.element
2691		} );
2692
2693		draggable.cancelHelperRemoval = false;
2694
2695		$.each( draggable.sortables, function() {
2696			var sortable = this;
2697
2698			if ( sortable.isOver ) {
2699				sortable.isOver = 0;
2700
2701				// Allow this sortable to handle removing the helper
2702				draggable.cancelHelperRemoval = true;
2703				sortable.cancelHelperRemoval = false;
2704
2705				// Use _storedCSS To restore properties in the sortable,
2706				// as this also handles revert (#9675) since the draggable
2707				// may have modified them in unexpected ways (#8809)
2708				sortable._storedCSS = {
2709					position: sortable.placeholder.css( "position" ),
2710					top: sortable.placeholder.css( "top" ),
2711					left: sortable.placeholder.css( "left" )
2712				};
2713
2714				sortable._mouseStop( event );
2715
2716				// Once drag has ended, the sortable should return to using
2717				// its original helper, not the shared helper from draggable
2718				sortable.options.helper = sortable.options._helper;
2719			} else {
2720
2721				// Prevent this Sortable from removing the helper.
2722				// However, don't set the draggable to remove the helper
2723				// either as another connected Sortable may yet handle the removal.
2724				sortable.cancelHelperRemoval = true;
2725
2726				sortable._trigger( "deactivate", event, uiSortable );
2727			}
2728		} );
2729	},
2730	drag: function( event, ui, draggable ) {
2731		$.each( draggable.sortables, function() {
2732			var innermostIntersecting = false,
2733				sortable = this;
2734
2735			// Copy over variables that sortable's _intersectsWith uses
2736			sortable.positionAbs = draggable.positionAbs;
2737			sortable.helperProportions = draggable.helperProportions;
2738			sortable.offset.click = draggable.offset.click;
2739
2740			if ( sortable._intersectsWith( sortable.containerCache ) ) {
2741				innermostIntersecting = true;
2742
2743				$.each( draggable.sortables, function() {
2744
2745					// Copy over variables that sortable's _intersectsWith uses
2746					this.positionAbs = draggable.positionAbs;
2747					this.helperProportions = draggable.helperProportions;
2748					this.offset.click = draggable.offset.click;
2749
2750					if ( this !== sortable &&
2751							this._intersectsWith( this.containerCache ) &&
2752							$.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
2753						innermostIntersecting = false;
2754					}
2755
2756					return innermostIntersecting;
2757				} );
2758			}
2759
2760			if ( innermostIntersecting ) {
2761
2762				// If it intersects, we use a little isOver variable and set it once,
2763				// so that the move-in stuff gets fired only once.
2764				if ( !sortable.isOver ) {
2765					sortable.isOver = 1;
2766
2767					// Store draggable's parent in case we need to reappend to it later.
2768					draggable._parent = ui.helper.parent();
2769
2770					sortable.currentItem = ui.helper
2771						.appendTo( sortable.element )
2772						.data( "ui-sortable-item", true );
2773
2774					// Store helper option to later restore it