https://www.mohave.gov/media/tw1jc0bq/jquery-ui.js

1/*! jQuery UI - v1.14.0 - 2024-08-07
2* https://jqueryui.com
3* Includes: widget.js, position.js, data.js, disable-selection.js, focusable.js, form-reset-mixin.js, keycode.js, labels.js, scroll-parent.js, tabbable.js, unique-id.js, widgets/draggable.js, widgets/resizable.js, widgets/button.js, widgets/checkboxradio.js, widgets/controlgroup.js, widgets/dialog.js, widgets/mouse.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 = $.ui.version = "1.14.0";
24
25
26/*!
27 * jQuery UI Widget 1.14.0
28 * https://jqueryui.com
29 *
30 * Copyright OpenJS Foundation and other contributors
31 * Released under the MIT license.
32 * https://jquery.org/license
33 */
34
35//>>label: Widget
36//>>group: Core
37//>>description: Provides a factory for creating stateful widgets with a common API.
38//>>docs: https://api.jqueryui.com/jQuery.widget/
39//>>demos: https://jqueryui.com/widget/
40
41
42var widgetUuid = 0;
43var widgetHasOwnProperty = Array.prototype.hasOwnProperty;
44var widgetSlice = Array.prototype.slice;
45
46$.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 ];

69
70	var fullName = namespace + "-" + name;
71
72	if ( !prototype ) {
73		prototype = base;
74		base = $.Widget;
75	}
76
77	if ( Array.isArray( prototype ) ) {
78		prototype = $.extend.apply( null, [ {} ].concat( prototype ) );
79	}
80
81	// Create selector for plugin
82	$.expr.pseudos[ fullName.toLowerCase() ] = function( elem ) {
83		return !!$.data( elem, fullName );
84	};
85
86	$[ namespace ] = $[ namespace ] || {};
87	existingConstructor = $[ namespace ][ name ];
88	constructor = $[ namespace ][ name ] = function( options, element ) {
89
90		// Allow instantiation without "new" keyword
91		if ( !this || !this._createWidget ) {
92			return new constructor( options, element );
93		}
94
95		// Allow instantiation without initializing for simple inheritance
96		// must use "new" keyword (the code above always passes args)
97		if ( arguments.length ) {
98			this._createWidget( options, element );
99		}
100	};
101
102	// Extend with the existing constructor to carry over any static properties
103	$.extend( constructor, existingConstructor, {
104		version: prototype.version,
105
106		// Copy the object used to create the prototype in case we need to
107		// redefine the widget later
108		_proto: $.extend( {}, prototype ),
109
110		// Track widgets that inherit from this widget in case this widget is
111		// redefined after a widget inherits from it
112		_childConstructors: []
113	} );
114
115	basePrototype = new base();
116
117	// We need to make the options hash a property directly on the new instance
118	// otherwise we'll modify the options hash on the prototype that we're
119	// inheriting from
120	basePrototype.options = $.widget.extend( {}, basePrototype.options );
121	$.each( prototype, function( prop, value ) {
122		if ( typeof value !== "function" ) {
123			proxiedPrototype[ prop ] = value;
124			return;
125		}
126		proxiedPrototype[ prop ] = ( function() {
127			function _super() {
128				return base.prototype[ prop ].apply( this, arguments );
129			}
130
131			function _superApply( args ) {
132				return base.prototype[ prop ].apply( this, args );
133			}
134
135			return function() {
136				var __super = this._super;
137				var __superApply = this._superApply;
138				var returnValue;
139
140				this._super = _super;
141				this._superApply = _superApply;
142
143				returnValue = value.apply( this, arguments );
144
145				this._super = __super;
146				this._superApply = __superApply;
147
148				return returnValue;
149			};
150		} )();
151	} );
152	constructor.prototype = $.widget.extend( basePrototype, {
153
154		// TODO: remove support for widgetEventPrefix
155		// always use the name + a colon as the prefix, e.g., draggable:start
156		// don't prefix for widgets that aren't DOM-based
157		widgetEventPrefix: existingConstructor ? ( basePrototype.widgetEventPrefix || name ) : name
158	}, proxiedPrototype, {
159		constructor: constructor,
160		namespace: namespace,
161		widgetName: name,
162		widgetFullName: fullName
163	} );
164
165	// If this widget is being redefined then we need to find all widgets that
166	// are inheriting from it and redefine all of them so that they inherit from
167	// the new version of this widget. We're essentially trying to replace one
168	// level in the prototype chain.
169	if ( existingConstructor ) {
170		$.each( existingConstructor._childConstructors, function( i, child ) {
171			var childPrototype = child.prototype;
172
173			// Redefine the child widget using the same prototype that was
174			// originally used, but inherit from the new version of the base
175			$.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor,
176				child._proto );
177		} );
178
179		// Remove the list of existing child constructors from the old constructor
180		// so the old child constructors can be garbage collected
181		delete existingConstructor._childConstructors;
182	} else {
183		base._childConstructors.push( constructor );
184	}
185
186	$.widget.bridge( name, constructor );
187
188	return constructor;
189};
190
191$.widget.extend = function( target ) {
192	var input = widgetSlice.call( arguments, 1 );
193	var inputIndex = 0;
194	var inputLength = input.length;
195	var key;
196	var value;
197
198	for ( ; inputIndex < inputLength; inputIndex++ ) {
199		for ( key in input[ inputIndex ] ) {
200			value = input[ inputIndex ][ key ];
201			if ( widgetHasOwnProperty.call( input[ inputIndex ], key ) && value !== undefined ) {
202
203				// Clone objects
204				if ( $.isPlainObject( value ) ) {
205					target[ key ] = $.isPlainObject( target[ key ] ) ?
206						$.widget.extend( {}, target[ key ], value ) :
207
208						// Don't extend strings, arrays, etc. with objects
209						$.widget.extend( {}, value );
210
211				// Copy everything else by reference
212				} else {
213					target[ key ] = value;
214				}
215			}
216		}
217	}
218	return target;
219};
220
221$.widget.bridge = function( name, object ) {
222	var fullName = object.prototype.widgetFullName || name;
223	$.fn[ name ] = function( options ) {
224		var isMethodCall = typeof options === "string";
225		var args = widgetSlice.call( arguments, 1 );
226		var returnValue = this;
227
228		if ( isMethodCall ) {
229
230			// If this is an empty collection, we need to have the instance method
231			// return undefined instead of the jQuery instance
232			if ( !this.length && options === "instance" ) {
233				returnValue = undefined;
234			} else {
235				this.each( function() {
236					var methodValue;
237					var instance = $.data( this, fullName );
238
239					if ( options === "instance" ) {
240						returnValue = instance;
241						return false;
242					}
243
244					if ( !instance ) {
245						return $.error( "cannot call methods on " + name +
246							" prior to initialization; " +
247							"attempted to call method '" + options + "'" );
248					}
249
250					if ( typeof instance[ options ] !== "function" ||
251						options.charAt( 0 ) === "_" ) {
252						return $.error( "no such method '" + options + "' for " + name +
253							" widget instance" );
254					}
255
256					methodValue = instance[ options ].apply( instance, args );
257
258					if ( methodValue !== instance && methodValue !== undefined ) {
259						returnValue = methodValue && methodValue.jquery ?
260							returnValue.pushStack( methodValue.get() ) :
261							methodValue;
262						return false;
263					}
264				} );
265			}
266		} else {
267
268			// Allow multiple hashes to be passed on init
269			if ( args.length ) {
270				options = $.widget.extend.apply( null, [ options ].concat( args ) );
271			}
272
273			this.each( function() {
274				var instance = $.data( this, fullName );
275				if ( instance ) {
276					instance.option( options || {} );
277					if ( instance._init ) {
278						instance._init();
279					}
280				} else {
281					$.data( this, fullName, new object( options, this ) );
282				}
283			} );
284		}
285
286		return returnValue;
287	};
288};
289
290$.Widget = function( /* options, element */ ) {};
291$.Widget._childConstructors = [];
292
293$.Widget.prototype = {
294	widgetName: "widget",
295	widgetEventPrefix: "",
296	defaultElement: "<div>",
297
298	options: {
299		classes: {},
300		disabled: false,
301
302		// Callbacks
303		create: null
304	},
305
306	_createWidget: function( options, element ) {
307		element = $( element || this.defaultElement || this )[ 0 ];
308		this.element = $( element );
309		this.uuid = widgetUuid++;
310		this.eventNamespace = "." + this.widgetName + this.uuid;
311
312		this.bindings = $();
313		this.hoverable = $();
314		this.focusable = $();
315		this.classesElementLookup = {};
316
317		if ( element !== this ) {
318			$.data( element, this.widgetFullName, this );
319			this._on( true, this.element, {
320				remove: function( event ) {
321					if ( event.target === element ) {
322						this.destroy();
323					}
324				}
325			} );
326			this.document = $( element.style ?
327
328				// Element within the document
329				element.ownerDocument :
330
331				// Element is window or document
332				element.document || element );
333			this.window = $( this.document[ 0 ].defaultView || this.document[ 0 ].parentWindow );
334		}
335
336		this.options = $.widget.extend( {},
337			this.options,
338			this._getCreateOptions(),
339			options );
340
341		this._create();
342
343		if ( this.options.disabled ) {
344			this._setOptionDisabled( this.options.disabled );
345		}
346
347		this._trigger( "create", null, this._getCreateEventData() );
348		this._init();
349	},
350
351	_getCreateOptions: function() {
352		return {};
353	},
354
355	_getCreateEventData: $.noop,
356
357	_create: $.noop,
358
359	_init: $.noop,
360
361	destroy: function() {
362		var that = this;
363
364		this._destroy();
365		$.each( this.classesElementLookup, function( key, value ) {
366			that._removeClass( value, key );
367		} );
368
369		// We can probably remove the unbind calls in 2.0
370		// all event bindings should go through this._on()
371		this.element
372			.off( this.eventNamespace )
373			.removeData( this.widgetFullName );
374		this.widget()
375			.off( this.eventNamespace )
376			.removeAttr( "aria-disabled" );
377
378		// Clean up events and states
379		this.bindings.off( this.eventNamespace );
380	},
381
382	_destroy: $.noop,
383
384	widget: function() {
385		return this.element;
386	},
387
388	option: function( key, value ) {
389		var options = key;
390		var parts;
391		var curOption;
392		var i;
393
394		if ( arguments.length === 0 ) {
395
396			// Don't return a reference to the internal hash
397			return $.widget.extend( {}, this.options );
398		}
399
400		if ( typeof key === "string" ) {
401
402			// Handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
403			options = {};
404			parts = key.split( "." );
405			key = parts.shift();
406			if ( parts.length ) {
407				curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
408				for ( i = 0; i < parts.length - 1; i++ ) {
409					curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
410					curOption = curOption[ parts[ i ] ];
411				}
412				key = parts.pop();
413				if ( arguments.length === 1 ) {
414					return curOption[ key ] === undefined ? null : curOption[ key ];
415				}
416				curOption[ key ] = value;
417			} else {
418				if ( arguments.length === 1 ) {
419					return this.options[ key ] === undefined ? null : this.options[ key ];
420				}
421				options[ key ] = value;
422			}
423		}
424
425		this._setOptions( options );
426
427		return this;
428	},
429
430	_setOptions: function( options ) {
431		var key;
432
433		for ( key in options ) {
434			this._setOption( key, options[ key ] );
435		}
436
437		return this;
438	},
439
440	_setOption: function( key, value ) {
441		if ( key === "classes" ) {
442			this._setOptionClasses( value );
443		}
444
445		this.options[ key ] = value;
446
447		if ( key === "disabled" ) {
448			this._setOptionDisabled( value );
449		}
450
451		return this;
452	},
453
454	_setOptionClasses: function( value ) {
455		var classKey, elements, currentElements;
456
457		for ( classKey in value ) {
458			currentElements = this.classesElementLookup[ classKey ];
459			if ( value[ classKey ] === this.options.classes[ classKey ] ||
460					!currentElements ||
461					!currentElements.length ) {
462				continue;
463			}
464
465			// We are doing this to create a new jQuery object because the _removeClass() call
466			// on the next line is going to destroy the reference to the current elements being
467			// tracked. We need to save a copy of this collection so that we can add the new classes
468			// below.
469			elements = $( currentElements.get() );
470			this._removeClass( currentElements, classKey );
471
472			// We don't use _addClass() here, because that uses this.options.classes
473			// for generating the string of classes. We want to use the value passed in from
474			// _setOption(), this is the new value of the classes option which was passed to
475			// _setOption(). We pass this value directly to _classes().
476			elements.addClass( this._classes( {
477				element: elements,
478				keys: classKey,
479				classes: value,
480				add: true
481			} ) );
482		}
483	},
484
485	_setOptionDisabled: function( value ) {
486		this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, !!value );
487
488		// If the widget is becoming disabled, then nothing is interactive
489		if ( value ) {
490			this._removeClass( this.hoverable, null, "ui-state-hover" );
491			this._removeClass( this.focusable, null, "ui-state-focus" );
492		}
493	},
494
495	enable: function() {
496		return this._setOptions( { disabled: false } );
497	},
498
499	disable: function() {
500		return this._setOptions( { disabled: true } );
501	},
502
503	_classes: function( options ) {
504		var full = [];
505		var that = this;
506
507		options = $.extend( {
508			element: this.element,
509			classes: this.options.classes || {}
510		}, options );
511
512		function bindRemoveEvent() {
513			var nodesToBind = [];
514
515			options.element.each( function( _, element ) {
516				var isTracked = $.map( that.classesElementLookup, function( elements ) {
517					return elements;
518				} )
519					.some( function( elements ) {
520						return elements.is( element );
521					} );
522
523				if ( !isTracked ) {
524					nodesToBind.push( element );
525				}
526			} );
527
528			that._on( $( nodesToBind ), {
529				remove: "_untrackClassesElement"
530			} );
531		}
532
533		function processClassString( classes, checkOption ) {
534			var current, i;
535			for ( i = 0; i < classes.length; i++ ) {
536				current = that.classesElementLookup[ classes[ i ] ] || $();
537				if ( options.add ) {
538					bindRemoveEvent();
539					current = $( $.uniqueSort( current.get().concat( options.element.get() ) ) );
540				} else {
541					current = $( current.not( options.element ).get() );
542				}
543				that.classesElementLookup[ classes[ i ] ] = current;
544				full.push( classes[ i ] );
545				if ( checkOption && options.classes[ classes[ i ] ] ) {
546					full.push( options.classes[ classes[ i ] ] );
547				}
548			}
549		}
550
551		if ( options.keys ) {
552			processClassString( options.keys.match( /\S+/g ) || [], true );
553		}
554		if ( options.extra ) {
555			processClassString( options.extra.match( /\S+/g ) || [] );
556		}
557
558		return full.join( " " );
559	},
560
561	_untrackClassesElement: function( event ) {
562		var that = this;
563		$.each( that.classesElementLookup, function( key, value ) {
564			if ( $.inArray( event.target, value ) !== -1 ) {
565				that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
566			}
567		} );
568
569		this._off( $( event.target ) );
570	},
571
572	_removeClass: function( element, keys, extra ) {
573		return this._toggleClass( element, keys, extra, false );
574	},
575
576	_addClass: function( element, keys, extra ) {
577		return this._toggleClass( element, keys, extra, true );
578	},
579
580	_toggleClass: function( element, keys, extra, add ) {
581		add = ( typeof add === "boolean" ) ? add : extra;
582		var shift = ( typeof element === "string" || element === null ),
583			options = {
584				extra: shift ? keys : extra,
585				keys: shift ? element : keys,
586				element: shift ? this.element : element,
587				add: add
588			};
589		options.element.toggleClass( this._classes( options ), add );
590		return this;
591	},
592
593	_on: function( suppressDisabledCheck, element, handlers ) {
594		var delegateElement;
595		var instance = this;
596
597		// No suppressDisabledCheck flag, shuffle arguments
598		if ( typeof suppressDisabledCheck !== "boolean" ) {
599			handlers = element;
600			element = suppressDisabledCheck;
601			suppressDisabledCheck = false;
602		}
603
604		// No element argument, shuffle and use this.element
605		if ( !handlers ) {
606			handlers = element;
607			element = this.element;
608			delegateElement = this.widget();
609		} else {
610			element = delegateElement = $( element );
611			this.bindings = this.bindings.add( element );
612		}
613
614		$.each( handlers, function( event, handler ) {
615			function handlerProxy() {
616
617				// Allow widgets to customize the disabled handling
618				// - disabled as an array instead of boolean
619				// - disabled class as method for disabling individual parts
620				if ( !suppressDisabledCheck &&
621						( instance.options.disabled === true ||
622						$( this ).hasClass( "ui-state-disabled" ) ) ) {
623					return;
624				}
625				return ( typeof handler === "string" ? instance[ handler ] : handler )
626					.apply( instance, arguments );
627			}
628
629			// Copy the guid so direct unbinding works
630			if ( typeof handler !== "string" ) {
631				handlerProxy.guid = handler.guid =
632					handler.guid || handlerProxy.guid || $.guid++;
633			}
634
635			var match = event.match( /^([\w:-]*)\s*(.*)$/ );
636			var eventName = match[ 1 ] + instance.eventNamespace;
637			var selector = match[ 2 ];
638
639			if ( selector ) {
640				delegateElement.on( eventName, selector, handlerProxy );
641			} else {
642				element.on( eventName, handlerProxy );
643			}
644		} );
645	},
646
647	_off: function( element, eventName ) {
648		eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
649			this.eventNamespace;
650		element.off( eventName );
651
652		// Clear the stack to avoid memory leaks (#10056)
653		this.bindings = $( this.bindings.not( element ).get() );
654		this.focusable = $( this.focusable.not( element ).get() );
655		this.hoverable = $( this.hoverable.not( element ).get() );
656	},
657
658	_delay: function( handler, delay ) {
659		function handlerProxy() {
660			return ( typeof handler === "string" ? instance[ handler ] : handler )
661				.apply( instance, arguments );
662		}
663		var instance = this;
664		return setTimeout( handlerProxy, delay || 0 );
665	},
666
667	_hoverable: function( element ) {
668		this.hoverable = this.hoverable.add( element );
669		this._on( element, {
670			mouseenter: function( event ) {
671				this._addClass( $( event.currentTarget ), null, "ui-state-hover" );
672			},
673			mouseleave: function( event ) {
674				this._removeClass( $( event.currentTarget ), null, "ui-state-hover" );
675			}
676		} );
677	},
678
679	_focusable: function( element ) {
680		this.focusable = this.focusable.add( element );
681		this._on( element, {
682			focusin: function( event ) {
683				this._addClass( $( event.currentTarget ), null, "ui-state-focus" );
684			},
685			focusout: function( event ) {
686				this._removeClass( $( event.currentTarget ), null, "ui-state-focus" );
687			}
688		} );
689	},
690
691	_trigger: function( type, event, data ) {
692		var prop, orig;
693		var callback = this.options[ type ];
694
695		data = data || {};
696		event = $.Event( event );
697		event.type = ( type === this.widgetEventPrefix ?
698			type :
699			this.widgetEventPrefix + type ).toLowerCase();
700
701		// The original event may come from any element
702		// so we need to reset the target on the new event
703		event.target = this.element[ 0 ];
704
705		// Copy original event properties over to the new event
706		orig = event.originalEvent;
707		if ( orig ) {
708			for ( prop in orig ) {
709				if ( !( prop in event ) ) {
710					event[ prop ] = orig[ prop ];
711				}
712			}
713		}
714
715		this.element.trigger( event, data );
716		return !( typeof callback === "function" &&
717			callback.apply( this.element[ 0 ], [ event ].concat( data ) ) === false ||
718			event.isDefaultPrevented() );
719	}
720};
721
722$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
723	$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
724		if ( typeof options === "string" ) {
725			options = { effect: options };
726		}
727
728		var hasOptions;
729		var effectName = !options ?
730			method :
731			options === true || typeof options === "number" ?
732				defaultEffect :
733				options.effect || defaultEffect;
734
735		options = options || {};
736		if ( typeof options === "number" ) {
737			options = { duration: options };
738		} else if ( options === true ) {
739			options = {};
740		}
741
742		hasOptions = !$.isEmptyObject( options );
743		options.complete = callback;
744
745		if ( options.delay ) {
746			element.delay( options.delay );
747		}
748
749		if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
750			element[ method ]( options );
751		} else if ( effectName !== method && element[ effectName ] ) {
752			element[ effectName ]( options.duration, options.easing, callback );
753		} else {
754			element.queue( function( next ) {
755				$( this )[ method ]();
756				if ( callback ) {
757					callback.call( element[ 0 ] );
758				}
759				next();
760			} );
761		}
762	};
763} );
764
765var widget = $.widget;
766
767
768/*!
769 * jQuery UI Position 1.14.

7690
770 * https://jqueryui.com
771 *
772 * Copyright OpenJS Foundation and other contributors
773 * Released under the MIT license.
774 * https://jquery.org/license
775 *
776 * https://api.jqueryui.com/position/
777 */
778
779//>>label: Position
780//>>group: Core
781//>>description: Positions elements relative to other elements.
782//>>docs: https://api.jqueryui.com/position/
783//>>demos: https://jqueryui.com/position/
784
785
786( function() {
787var cachedScrollbarWidth,
788	max = Math.max,
789	abs = Math.abs,
790	rhorizontal = /left|center|right/,
791	rvertical = /top|center|bottom/,
792	roffset = /[\+\-]\d+(\.[\d]+)?%?/,
793	rposition = /^\w+/,
794	rpercent = /%$/,
795	_position = $.fn.position;
796
797function getOffsets( offsets, width, height ) {
798	return [
799		parseFloat( offsets[ 0 ] ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
800		parseFloat( offsets[ 1 ] ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
801	];
802}
803
804function parseCss( element, property ) {
805	return parseInt( $.css( element, property ), 10 ) || 0;
806}
807
808function isWindow( obj ) {
809	return obj != null && obj === obj.window;
810}
811
812function getDimensions( elem ) {
813	var raw = elem[ 0 ];
814	if ( raw.nodeType === 9 ) {
815		return {
816			width: elem.width(),
817			height: elem.height(),
818			offset: { top: 0, left: 0 }
819		};
820	}
821	if ( isWindow( raw ) ) {
822		return {
823			width: elem.width(),
824			height: elem.height(),
825			offset: { top: elem.scrollTop(), left: elem.scrollLeft() }
826		};
827	}
828	if ( raw.preventDefault ) {
829		return {
830			width: 0,
831			height: 0,
832			offset: { top: raw.pageY, left: raw.pageX }
833		};
834	}
835	return {
836		width: elem.outerWidth(),
837		height: elem.outerHeight(),
838		offset: elem.offset()
839	};
840}
841
842$.position = {
843	scrollbarWidth: function() {
844		if ( cachedScrollbarWidth !== undefined ) {
845			return cachedScrollbarWidth;
846		}
847		var w1, w2,
848			div = $( "<div style=" +
849				"'display:block;position:absolute;width:200px;height:200px;overflow:hidden;'>" +
850				"<div style='height:300px;width:auto;'></div></div>" ),
851			innerDiv = div.children()[ 0 ];
852
853		$( "body" ).append( div );
854		w1 = innerDiv.offsetWidth;
855		div.css( "overflow", "scroll" );
856
857		w2 = innerDiv.offsetWidth;
858
859		if ( w1 === w2 ) {
860			w2 = div[ 0 ].clientWidth;
861		}
862
863		div.remove();
864
865		return ( cachedScrollbarWidth = w1 - w2 );
866	},
867	getScrollInfo: function( within ) {
868		var overflowX = within.isWindow || within.isDocument ? "" :
869				within.element.css( "overflow-x" ),
870			overflowY = within.isWindow || within.isDocument ? "" :
871				within.element.css( "overflow-y" ),
872			hasOverflowX = overflowX === "scroll" ||
873				( overflowX === "auto" && within.width < within.element[ 0 ].scrollWidth ),
874			hasOverflowY = overflowY === "scroll" ||
875				( overflowY === "auto" && within.height < within.element[ 0 ].scrollHeight );
876		return {
877			width: hasOverflowY ? $.position.scrollbarWidth() : 0,
878			height: hasOverflowX ? $.position.scrollbarWidth() : 0
879		};
880	},
881	getWithinInfo: function( element ) {
882		var withinElement = $( element || window ),
883			isElemWindow = isWindow( withinElement[ 0 ] ),
884			isDocument = !!withinElement[ 0 ] && withinElement[ 0 ].nodeType === 9,
885			hasOffset = !isElemWindow && !isDocument;
886		return {
887			element: withinElement,
888			isWindow: isElemWindow,
889			isDocument: isDocument,
890			offset: hasOffset ? $( element ).offset() : { left: 0, top: 0 },
891			scrollLeft: withinElement.scrollLeft(),
892			scrollTop: withinElement.scrollTop(),
893			width: withinElement.outerWidth(),
894			height: withinElement.outerHeight()
895		};
896	}
897};
898
899$.fn.position = function( options ) {
900	if ( !options || !options.of ) {
901		return _position.apply( this, arguments );
902	}
903
904	// Make a copy, we don't want to modify arguments
905	options = $.extend( {}, options );
906
907	var atOffset, targetWidth, targetHeight, targetOffset, basePosition, dimensions,
908
909		// Make sure string options are treated as CSS selectors
910		target = typeof options.of === "string" ?
911			$( document ).find( options.of ) :
912			$( options.of ),

913
914		within = $.position.getWithinInfo( options.within ),
915		scrollInfo = $.position.getScrollInfo( within ),
916		collision = ( options.collision || "flip" ).split( " " ),
917		offsets = {};
918
919	dimensions = getDimensions( target );
920	if ( target[ 0 ].preventDefault ) {
921
922		// Force left top to allow flipping
923		options.at = "left top";
924	}
925	targetWidth = dimensions.width;
926	targetHeight = dimensions.height;
927	targetOffset = dimensions.offset;
928
929	// Clone to reuse original targetOffset later
930	basePosition = $.extend( {}, targetOffset );
931
932	// Force my and at to have valid horizontal and vertical positions
933	// if a value is missing or invalid, it will be converted to center
934	$.each( [ "my", "at" ], function() {
935		var pos = ( options[ this ] || "" ).split( " " ),
936			horizontalOffset,
937			verticalOffset;
938
939		if ( pos.length === 1 ) {
940			pos = rhorizontal.test( pos[ 0 ] ) ?
941				pos.concat( [ "center" ] ) :
942				rvertical.test( pos[ 0 ] ) ?
943					[ "center" ].concat( pos ) :
944					[ "center", "center" ];
945		}
946		pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center";
947		pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center";
948
949		// Calculate offsets
950		horizontalOffset = roffset.exec( pos[ 0 ] );
951		verticalOffset = roffset.exec( pos[ 1 ] );
952		offsets[ this ] = [
953			horizontalOffset ? horizontalOffset[ 0 ] : 0,
954			verticalOffset ? verticalOffset[ 0 ] : 0
955		];
956
957		// Reduce to just the positions without the offsets
958		options[ this ] = [
959			rposition.exec( pos[ 0 ] )[ 0 ],
960			rposition.exec( pos[ 1 ] )[ 0 ]
961		];
962	} );
963
964	// Normalize collision option
965	if ( collision.length === 1 ) {
966		collision[ 1 ] = collision[ 0 ];
967	}
968
969	if ( options.at[ 0 ] === "right" ) {
970		basePosition.left += targetWidth;
971	} else if ( options.at[ 0 ] === "center" ) {
972		basePosition.left += targetWidth / 2;
973	}
974
975	if ( options.at[ 1 ] === "bottom" ) {
976		basePosition.top += targetHeight;
977	} else if ( options.at[ 1 ] === "center" ) {
978		basePosition.top += targetHeight / 2;
979	}
980
981	atOffset = getOffsets( offsets.at, targetWidth, targetHeight );
982	basePosition.left += atOffset[ 0 ];
983	basePosition.top += atOffset[ 1 ];
984
985	return this.each( function() {
986		var collisionPosition, using,
987			elem = $( this ),
988			elemWidth = elem.outerWidth(),
989			elemHeight = elem.outerHeight(),
990			marginLeft = parseCss( this, "marginLeft" ),
991			marginTop = parseCss( this, "marginTop" ),
992			collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) +
993				scrollInfo.width,
994			collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) +
995				scrollInfo.height,
996			position = $.extend( {}, basePosition ),
997			myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );
998
999		if ( options.my[ 0 ] === "right" ) {
1000			position.left -= elemWidth;
1001		} else if ( options.my[ 0 ] === "center" ) {
1002			position.left -= elemWidth / 2;
1003		}
1004
1005		if ( options.my[ 1 ] === "bottom" ) {
1006			position.top -= elemHeight;
1007		} else if ( options.my[ 1 ] === "center" ) {
1008			position.top -= elemHeight / 2;
1009		}
1010
1011		position.left += myOffset[ 0 ];
1012		position.top += myOffset[ 1 ];
1013
1014		collisionPosition = {
1015			marginLeft: marginLeft,
1016			marginTop: marginTop
1017		};
1018
1019		$.each( [ "left", "top" ], function( i, dir ) {
1020			if ( $.ui.position[ collision[ i ] ] ) {
1021				$.ui.position[ collision[ i ] ][ dir ]( position, {
1022					targetWidth: targetWidth,
1023					targetHeight: targetHeight,
1024					elemWidth: elemWidth,
1025					elemHeight: elemHeight,
1026					collisionPosition: collisionPosition,
1027					collisionWidth: collisionWidth,
1028					collisionHeight: collisionHeight,
1029					offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ],
1030					my: options.my,
1031					at: options.at,
1032					within: within,
1033					elem: elem
1034				} );
1035			}
1036		} );
1037
1038		if ( options.using ) {
1039
1040			// Adds feedback as second argument to using callback, if present
1041			using = function( props ) {
1042				var left = targetOffset.left - position.left,
1043					right = left + targetWidth - elemWidth,
1044					top = targetOffset.top - position.top,
1045					bottom = top + targetHeight - elemHeight,
1046					feedback = {
1047						target: {
1048							element: target,
1049							left: targetOffset.left,
1050							top: targetOffset.top,
1051							width: targetWidth,
1052							height: targetHeight
1053						},
1054						element: {
1055							element: elem,
1056							left: position.left,
1057							top: position.top,
1058							width: elemWidth,
1059							height: elemHeight
1060						},
1061						horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
1062						vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
1063					};
1064				if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) {
1065					feedback.horizontal = "center";
1066				}
1067				if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) {
1068					feedback.vertical = "middle";
1069				}
1070				if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) {
1071					feedback.important = "horizontal";
1072				} else {
1073					feedback.important = "vertical";
1074				}
1075				options.using.call( this, props, feedback );
1076			};
1077		}
1078
1079		elem.offset( $.extend( position, { using: using } ) );
1080	} );
1081};
1082
1083$.ui.position = {
1084	fit: {
1085		left: function( position, data ) {
1086			var within = data.within,
1087				withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
1088				outerWidth = within.width,
1089				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
1090				overLeft = withinOffset - collisionPosLeft,
1091				overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
1092				newOverRight;
1093
1094			// Element is wider than within
1095			if ( data.collisionWidth > outerWidth ) {
1096
1097				// Element is initially over the left side of within
1098				if ( overLeft > 0 && overRight <= 0 ) {
1099					newOverRight = position.left + overLeft + data.collisionWidth - outerWidth -
1100						withinOffset;
1101					position.left += overLeft - newOverRight;
1102
1103				// Element is initially over right side of within
1104				} else if ( overRight > 0 && overLeft <= 0 ) {
1105					position.left = withinOffset;
1106
1107				// Element is initially over both left and right sides of within
1108				} else {
1109					if ( overLeft > overRight ) {
1110						position.left = withinOffset + outerWidth - data.collisionWidth;
1111					} else {
1112						position.left = withinOffset;
1113					}
1114				}
1115
1116			// Too far left -> align with left edge
1117			} else if ( overLeft > 0 ) {
1118				position.left += overLeft;
1119
1120			// Too far right -> align with right edge
1121			} else if ( overRight > 0 ) {
1122				position.left -= overRight;
1123
1124			// Adjust based on position and margin
1125			} else {
1126				position.left = max( position.left - collisionPosLeft, position.left );
1127			}
1128		},
1129		top: function( position, data ) {
1130			var within = data.within,
1131				withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
1132				outerHeight = data.within.height,
1133				collisionPosTop = position.top - data.collisionPosition.marginTop,
1134				overTop = withinOffset - collisionPosTop,
1135				overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
1136				newOverBottom;
1137
1138			// Element is taller than within
1139			if ( data.collisionHeight > outerHeight ) {
1140
1141				// Element is initially over the top of within
1142				if ( overTop > 0 && overBottom <= 0 ) {
1143					newOverBottom = position.top + overTop + data.collisionHeight - outerHeight -
1144						withinOffset;
1145					position.top += overTop - newOverBottom;
1146
1147				// Element is initially over bottom of within
1148				} else if ( overBottom > 0 && overTop <= 0 ) {
1149					position.top = withinOffset;
1150
1151				// Element is initially over both top and bottom of within
1152				} else {
1153					if ( overTop > overBottom ) {
1154						position.top = withinOffset + outerHeight - data.collisionHeight;
1155					} else {
1156						position.top = withinOffset;
1157					}
1158				}
1159
1160			// Too far up -> align with top
1161			} else if ( overTop > 0 ) {
1162				position.top += overTop;
1163
1164			// Too far down -> align with bottom edge
1165			} else if ( overBottom > 0 ) {
1166				position.top -= overBottom;
1167
1168			// Adjust based on position and margin
1169			} else {
1170				position.top = max( position.top - collisionPosTop, position.top );
1171			}
1172		}
1173	},
1174	flip: {
1175		left: function( position, data ) {
1176			var within = data.within,
1177				withinOffset = within.offset.left + within.scrollLeft,
1178				outerWidth = within.width,
1179				offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left,
1180				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
1181				overLeft = collisionPosLeft - offsetLeft,
1182				overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
1183				myOffset = data.my[ 0 ] === "left" ?
1184					-data.elemWidth :
1185					data.my[ 0 ] === "right" ?
1186						data.elemWidth :
1187						0,
1188				atOffset = data.at[ 0 ] === "left" ?
1189					data.targetWidth :
1190					data.at[ 0 ] === "right" ?
1191						-data.targetWidth :
1192						0,
1193				offset = -2 * data.offset[ 0 ],
1194				newOverRight,
1195				newOverLeft;
1196
1197			if ( overLeft < 0 ) {
1198				newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth -
1199					outerWidth - withinOffset;
1200				if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) {
1201					position.left += myOffset + atOffset + offset;
1202				}
1203			} else if ( overRight > 0 ) {
1204				newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset +
1205					atOffset + offset - offsetLeft;
1206				if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) {
1207					position.left += myOffset + atOffset + offset;
1208				}
1209			}
1210		},
1211		top: function( position, data ) {
1212			var within = data.within,
1213				withinOffset = within.offset.top + within.scrollTop,
1214				outerHeight = within.height,
1215				offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
1216				collisionPosTop = position.top - data.collisionPosition.marginTop,
1217				overTop = collisionPosTop - offsetTop,
1218				overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
1219				top = data.my[ 1 ] === "top",
1220				myOffset = top ?
1221					-data.elemHeight :
1222					data.my[ 1 ] === "bottom" ?
1223						data.elemHeight :
1224						0,
1225				atOffset = data.at[ 1 ] === "top" ?
1226					data.targetHeight :
1227					data.at[ 1 ] === "bottom" ?
1228						-data.targetHeight :
1229						0,
1230				offset = -2 * data.offset[ 1 ],
1231				newOverTop,
1232				newOverBottom;
1233			if ( overTop < 0 ) {
1234				newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight -
1235					outerHeight - withinOffset;
1236				if ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) {
1237					position.top += myOffset + atOffset + offset;
1238				}
1239			} else if ( overBottom > 0 ) {
1240				newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset +
1241					offset - offsetTop;
1242				if ( newOverTop > 0 || abs( newOverTop ) < overBottom ) {
1243					position.top += myOffset + atOffset + offset;
1244				}
1245			}
1246		}
1247	},
1248	flipfit: {
1249		left: function() {
1250			$.ui.position.flip.left.apply( this, arguments );
1251			$.ui.position.fit.left.apply( this, arguments );
1252		},
1253		top: function() {
1254			$.ui.position.flip.top.apply( this, arguments );
1255			$.ui.position.fit.top.apply( this, arguments );
1256		}
1257	}
1258};
1259
1260} )();
1261
1262var position = $.ui.position;
1263
1264
1265/*!
1266 * jQuery UI :data 1.1

1275//>>group: Core
1276//>>description: Selects elements which have data stored under the specified key.
1277//>>docs: https://api.jqueryui.com/data-selector/
1278
1279
1280var data = $.extend( $.expr.pseudos, {
1281	data: $.expr.createPseudo( function( dataName ) {
1282		return function( elem ) {
1283			return !!$.data( elem, dataName );
1284		};
1285	} )
1286} );
1287
1288/*!
1289 * jQuery UI Disable Selection 1.14.0
1290 * https://jqueryui.com
1291 *
1292 * Copyright OpenJS Foundation and other contributors
1293 * Released under the MIT license.
1294 * https://jquery.org/license
1295 */
1296
1297//>>label: disableSelection
1298//>>group: Core
1299//>>description: Disable selection of text content within the set of matched elements.
1300//>>docs: https://api.jqueryui.com/disableSelection/
1301
1302// This file is deprecated
1303
1304var disableSelection = $.fn.extend( {
1305	disableSelection: ( function() {
1306		var eventType = "onselectstart" in document.createElement( "div" ) ?
1307			"selectstart" :
1308			"mousedown";
1309
1310		return function() {
1311			return this.on( eventType + ".ui-disableSelection", function( event ) {
1312				event.preventDefault();
1313			} );
1314		};
1315	} )(),
1316
1317	enableSelection: function() {
1318		return this.off( ".ui-disableSelection" );
1319	}
1320} );
1321
1322
1323/*!
1324 * jQuery UI Focusable 1.14.0
1325 * https://jqueryui.com
1326 *
1327 * Copyright OpenJS Foundation and other contributors
1328 * Released under the MIT license.
1329 * https://jquery.org/license
1330 */
1331
1332//>>label: :focusable Selector
1333//>>group: Core
1334//>>description: Selects elements which can be focused.
1335//>>docs: https://api.jqueryui.com/focusable-selector/
1336
1337
1338// Selectors
1339$.ui.focusable = function( element, hasTabindex ) {
1340	var map, mapName, img, focusableIfVisible, fieldset,
1341		nodeName = element.nodeName.toLowerCase();
1342
1343	if ( "area" === nodeName ) {
1344		map = element.parentNode;
1345		mapName = map.name;
1346		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
1347			return false;
1348		}
1349		img = $( "img[usemap='#" + mapName + "']" );
1350		return img.length > 0 && img.is( ":visible" );
1351	}
1352
1353	if ( /^(input|select|textarea|button|object)$/.test( nodeName ) ) {
1354		focusableIfVisible = !element.disabled;
1355
1356		if ( focusableIfVisible ) {
1357
1358			// Form controls within a disabled fieldset are disabled.
1359			// However, controls within the fieldset's legend do not get disabled.
1360			// Since controls generally aren't placed inside legends, we skip
1361			// this portion of the check.
1362			fieldset = $( element ).closest( "fieldset" )[ 0 ];
1363			if ( fieldset ) {
1364				focusableIfVisible = !fieldset.disabled;
1365			}
1366		}
1367	} else if ( "a" === nodeName ) {
1368		focusableIfVisible = element.href || hasTabindex;
1369	} else {
1370		focusableIfVisible = hasTabindex;
1371	}
1372
1373	return focusableIfVisible && $( element ).is( ":visible" ) &&
1374		$( element ).css( "visibility" ) === "visible";
1375};
1376
1377$.extend( $.expr.pseudos, {
1378	focusable: function( element ) {
1379		return $.ui.focusable( element, $.attr( element, "tabindex" ) != null );
1380	}
1381} );
1382
1383var focusable = $.ui.focusable;
1384
1385
1386/*!
1387 * jQuery UI Form Reset Mixin 1.14.0
1388 * https://jqueryui.com
1389 *
1390 * Copyright OpenJS Foundation and other contributors
1391 * Released under the MIT license.
1392 * https://jquery.org/license
1393 */
1394
1395//>>label: Form Reset Mixin
1396//>>group: Core
1397//>>description: Refresh input widgets when their form is reset
1398//>>docs: https://api.jqueryui.com/form-reset-mixin/
1399
1400
1401var formResetMixin = $.ui.formResetMixin = {
1402	_formResetHandler: function() {
1403		var form = $( this );
1404
1405		// Wait for the form reset to actually happen before refreshing
1406		setTimeout( function() {
1407			var instances = form.data( "ui-form-reset-instances" );
1408			$.each( instances, function() {
1409				this.refresh();
1410			} );
1411		} );
1412	},
1413
1414	_bindFormResetHandler: function() {
1415		this.form = $( this.element.prop( "form" ) );
1416		if ( !this.form.length ) {
1417			return;
1418		}
1419
1420		var instances = this.form.data( "ui-form-reset-instances" ) || [];
1421		if ( !instances.length ) {
1422
1423			// We don't use _on() here because we use a single event handler per form
1424			this.form.on( "reset.ui-form-reset", this._formResetHandler );
1425		}
1426		instances.push( this );
1427		this.form.data( "ui-form-reset-instances", instances );
1428	},
1429
1430	_unbindFormResetHandler: function() {
1431		if ( !this.form.length ) {
1432			return;
1433		}
1434
1435		var instances = this.form.data( "ui-form-reset-instances" );
1436		instances.splice( $.inArray( this, instances ), 1 );
1437		if ( instances.length ) {
1438			this.form.data( "ui-form-reset-instances", instances );
1439		} else {
1440			this.form
1441				.removeData( "ui-form-reset-instances" )
1442				.off( "reset.ui-form-reset" );
1443		}
1444	}
1445};
1446
1447
1448/*!
1449 * jQuery UI Keycode 1.14.0
1450 * https://jqueryui.com
1451 *
1452 * Copyright OpenJS Foundation and other contributors
1453 * Released under the MIT license.
1454 * https://jquery.org/license
1455 */
1456
1457//>>label: Keycode
1458//>>group: Core
1459//>>description: Provide keycodes as keynames
1460//>>docs: https://api.jqueryui.com/jQuery.ui.keyCode/
1461
1462
1463var keycode = $.ui.keyCode = {
1464	BACKSPACE: 8,
1465	COMMA: 188,
1466	DELETE: 46,
1467	DOWN: 40,
1468	END: 35,
1469	ENTER: 13,
1470	ESCAPE: 27,
1471	HOME: 36,
1472	LEFT: 37,
1473	PAGE_DOWN: 34,
1474	PAGE_UP: 33,
1475	PERIOD: 190,
1476	RIGHT: 39,
1477	SPACE: 32,
1478	TAB: 9,
1479	UP: 38
1480};
1481
1482
1483/*!
1484 * jQuery UI Labels 1.14.0
1485 * https://jqueryui.com
1486 *
1487 * Copyright OpenJS Foundation and other contributors
1488 * Released under the MIT license.
1489 * https://jquery.org/license
1490 */
1491
1492//>>label: labels
1493//>>group: Core
1494//>>description: Find all the labels associated with a given input
1495//>>docs: https://api.jqueryui.com/labels/
1496
1497
1498var labels = $.fn.labels = function() {
1499	var ancestor, selector, id, labels, ancestors;
1500
1501	if ( !this.length ) {
1502		return this.pushStack( [] );
1503	}
1504
1505	// Check control.labels first
1506	if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
1507		return this.pushStack( this[ 0 ].labels );
1508	}
1509
1510	// If `control.labels` is empty - e.g. inside of document fragments - find
1511	// the labels manually
1512	labels = this.eq( 0 ).parents( "label" );
1513
1514	// Look for the label based on the id
1515	id = this.attr( "id" );
1516	if ( id ) {
1517
1518		// We don't search against the document in case the element
1519		// is disconnected from the DOM
1520		ancestor = this.eq( 0 ).parents().last();
1521
1522		// Get a full set of top level ancestors
1523		ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );
1524
1525		// Create a selector for the label based on the id
1526		selector = "label[for='" + CSS.escape( id ) + "']";
1527
1528		labels = labels.add( ancestors.find( selector ).addBack( selector ) );
1529
1530	}
1531
1532	// Return whatever we have found for labels
1533	return this.pushStack( labels );
1534};
1535
1536
1537/*!
1538 * jQuery UI Scroll Parent 1.14.0
1539 * https://jqueryui.com
1540 *
1541 * Copyright OpenJS Foundation and other contributors
1542 * Released under the MIT license.
1543 * https://jquery.org/license
1544 */
1545
1546//>>label: scrollParent
1547//>>group: Core
1548//>>description: Get the closest ancestor element that is scrollable.
1549//>>docs: https://api.jqueryui.com/scrollParent/
1550
1551
1552var scrollParent = $.fn.scrollParent = function( includeHidden ) {
1553	var position = this.css( "position" ),
1554		excludeStaticParent = position === "absolute",
1555		overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
1556		scrollParent = this.parents().filter( function() {
1557			var parent = $( this );
1558			if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
1559				return false;
1560			}
1561			return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) +
1562				parent.css( "overflow-x" ) );
1563		} ).eq( 0 );
1564
1565	return position === "fixed" || !scrollParent.length ?
1566		$( this[ 0 ].ownerDocument || document ) :
1567		scrollParent;
1568};
1569
1570
1571/*!
1572 * jQuery UI Tabbable 1.14.0
1573 * https://jqueryui.com
1574 *
1575 * Copyright OpenJS Foundation and other contributors
1576 * Released under the MIT license.
1577 * https://jquery.org/license
1578 */
1579
1580//>>label: :tabbable Selector
1581//>>group: Core
1582//>>description: Selects elements which can be tabbed to.
1583//>>docs: https://api.jqueryui.com/tabbable-selector/
1584
1585
1586var tabbable = $.extend( $.expr.pseudos, {
1587	tabbable: function( element ) {
1588		var tabIndex = $.attr( element, "tabindex" ),
1589			hasTabindex = tabIndex != null;
1590		return ( !hasTabindex || tabIndex >= 0 ) && $.ui.focusable( element, hasTabindex );
1591	}
1592} );
1593
1594
1595/*!
1596 * jQuery UI Unique ID 1.14.0
1597 * https://jqueryui.com
1598 *
1599 * Copyright OpenJS Foundation and other contributors
1600 * Released under the MIT license.
1601 * https://jquery.org/license
1602 */
1603
1604//>>label: uniqueId
1605//>>group: Core
1606//>>description: Functions to generate and remove uniqueId's
1607//>>docs: https://api.jqueryui.com/uniqueId/
1608
1609
1610var uniqueId = $.fn.extend( {
1611	uniqueId: ( function() {
1612		var uuid = 0;
1613
1614		return function() {
1615			return this.each( function() {
1616				if ( !this.id ) {
1617					this.id = "ui-id-" + ( ++uuid );
1618				}
1619			} );
1620		};
1621	} )(),
1622
1623	removeUniqueId: function() {
1624		return this.each( function() {
1625			if ( /^ui-id-\d+$/.test( this.id ) ) {
1626				$( this ).removeAttr( "id" );
1627			}
1628		} );
1629	}
1630} );
1631
1632
1633/*!
1634 * jQuery UI Mouse 1.14.0
1635 * https://jqueryui.com
1636 *
1637 * Copyright OpenJS Foundation and other contributors
1638 * Released under the MIT license.
1639 * https://jquery.org/license
1640 */
1641
1642//>>label: Mouse
1643//>>group: Widgets
1644//>>description: Abstracts mouse-based interactions to assist in creating certain widgets.
1645//>>docs: https://api.jqueryui.com/mouse/
1646
1647
1648var mouseHandled = false;
1649$( document ).on( "mouseup", function() {
1650	mouseHandled = false;
1651} );
1652
1653var widgetsMouse = $.widget( "ui.mouse", {
1654	version: "1.14.0",
1655	options: {
1656		cancel: "input, textarea, button, select, option",
1657		distance: 1,
1658		delay: 0
1659	},
1660	_mouseInit: function() {
1661		var that = this;
1662
1663		this.element
1664			.on( "mousedown." + this.widgetName, function( event ) {
1665				return that._mouseDown( event );
1666			} )
1667			.on( "click." + this.widgetName, function( event ) {
1668				if ( true === $.data( event.target, that.widgetName + ".preventClickEvent" ) ) {
1669					$.removeData( event.target, that.widgetName + ".preventClickEvent" );
1670					event.stopImmediatePropagation();
1671					return false;
1672				}
1673			} );
1674
1675		this.started = false;
1676	},
1677
1678	// TODO: make sure destroying one instance of mouse doesn't mess with
1679	// other instances of mouse
1680	_mouseDestroy: function() {
1681		this.element.off( "." + this.widgetName );
1682		if ( this._mouseMoveDelegate ) {
1683			this.document
1684				.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1685				.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
1686		}
1687	},
1688
1689	_mouseDown: function( event ) {
1690
1691		// don't let more than one widget handle mouseStart
1692		if ( mouseHandled ) {
1693			return;
1694		}
1695
1696		this._mouseMoved = false;
1697
1698		// We may have missed mouseup (out of window)
1699		if ( this._mouseStarted ) {
1700			this._mouseUp( event );
1701		}
1702
1703		this._mouseDownEvent = event;
1704
1705		var that = this,
1706			btnIsLeft = event.which === 1,
1707			elIsCancel = typeof this.options.cancel === "string" ?
1708				$( event.target ).closest( this.options.cancel ).length :
1709				false;
1710		if ( !btnIsLeft || elIsCancel || !this._mouseCapture( event ) ) {
1711			return true;
1712		}
1713
1714		this.mouseDelayMet = !this.options.delay;
1715		if ( !this.mouseDelayMet ) {
1716			this._mouseDelayTimer = setTimeout( function() {
1717				that.mouseDelayMet = true;
1718			}, this.options.delay );
1719		}
1720
1721		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
1722			this._mouseStarted = ( this._mouseStart( event ) !== false );
1723			if ( !this._mouseStarted ) {
1724				event.preventDefault();
1725				return true;
1726			}
1727		}
1728
1729		// Click event may never have fired (Gecko & Opera)
1730		if ( true === $.data( event.target, this.widgetName + ".preventClickEvent" ) ) {
1731			$.removeData( event.target, this.widgetName + ".preventClickEvent" );
1732		}
1733
1734		// These delegates are required to keep context
1735		this._mouseMoveDelegate = function( event ) {
1736			return that._mouseMove( event );
1737		};
1738		this._mouseUpDelegate = function( event ) {
1739			return that._mouseUp( event );
1740		};
1741
1742		this.document
1743			.on( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1744			.on( "mouseup." + this.widgetName, this._mouseUpDelegate );
1745
1746		event.preventDefault();
1747
1748		mouseHandled = true;
1749		return true;
1750	},
1751
1752	_mouseMove: function( event ) {
1753
1754		// Only check for mouseups outside the document if you've moved inside the document
1755		// at least once.
1756		if ( this._mouseMoved && !event.which ) {
1757
1758			// Support: Safari <=8 - 9
1759			// Safari sets which to 0 if you press any of the following keys
1760			// during a drag (#14461)
1761			if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
1762					event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
1763				this.ignoreMissingWhich = true;
1764			} else if ( !this.ignoreMissingWhich ) {
1765				return this._mouseUp( event );
1766			}
1767		}
1768
1769		if ( event.which || event.button ) {
1770			this._mouseMoved = true;
1771		}
1772
1773		if ( this._mouseStarted ) {
1774			this._mouseDrag( event );
1775			return event.preventDefault();
1776		}
1777
1778		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
1779			this._mouseStarted =
1780				( this._mouseStart( this._mouseDownEvent, event ) !== false );
1781			if ( this._mouseStarted ) {
1782				this._mouseDrag( event );
1783			} else {
1784				this._mouseUp( event );
1785			}
1786		}
1787
1788		return !this._mouseStarted;
1789	},
1790
1791	_mouseUp: function( event ) {
1792		this.document
1793			.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1794			.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
1795
1796		if ( this._mouseStarted ) {
1797			this._mouseStarted = false;
1798
1799			if ( event.target === this._mouseDownEvent.target ) {
1800				$.data( event.target, this.widgetName + ".preventClickEvent", true );
1801			}
1802
1803			this._mouseStop( event );
1804		}
1805
1806		if ( this._mouseDelayTimer ) {
1807			clearTimeout( this._mouseDelayTimer );
1808			delete this._mouseDelayTimer;
1809		}
1810
1811		this.ignoreMissingWhich = false;
1812		mouseHandled = false;
1813		event.preventDefault();
1814	},
1815
1816	_mouseDistanceMet: function( event ) {
1817		return ( Math.max(
1818				Math.abs( this._mouseDownEvent.pageX - event.pageX ),
1819				Math.abs( this._mouseDownEvent.pageY - event.pageY )
1820			) >= this.options.distance
1821		);
1822	},
1823
1824	_mouseDelayMet: function( /* event */ ) {
1825		return this.mouseDelayMet;
1826	},
1827
1828	// These are placeholder methods, to be overriden by extending plugin
1829	_mouseStart: function( /* event */ ) {},
1830	_mouseDrag: function( /* event */ ) {},
1831	_mouseStop: function( /* event */ ) {},
1832	_mouseCapture: function( /* event */ ) {
1833		return true;
1834	}
1835} );
1836
1837
1838
1839// $.ui.plugin is deprecated. Use $.widget() extensions instead.
1840var plugin = $.ui.plugin = {
1841	add: function( module, option, set ) {
1842		var i,
1843			proto = $.ui[ module ].prototype;
1844		for ( i in set ) {
1845			proto.plugins[ i ] = proto.plugins[ i ] || [];
1846			proto.plugins[ i ].push( [ option, set[ i ] ] );
1847		}
1848	},
1849	call: function( instance, name, args, allowDisconnected ) {
1850		var i,
1851			set = instance.plugins[ name ];
1852
1853		if ( !set ) {
1854			return;
1855		}
1856
1857		if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode ||
1858				instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
1859			return;
1860		}
1861
1862		for ( i = 0; i < set.length; i++ ) {
1863			if ( instance.options[ set[ i ][ 0 ] ] ) {
1864				set[ i ][ 1 ].apply( instance.element, args );
1865			}
1866		}
1867	}
1868};
1869
1870
1871/*!
1872 * jQuery UI Draggable 1.14.0
1873 * https://jqueryui.com
1874 *
1875 * Copyright OpenJS Foundation and other contributors
1876 * Released under the MIT license.
1877 * https://jquery.org/license
1878 */
1879
1880//>>label: Draggable
1881//>>group: Interactions
1882//>>description: Enables dragging functionality for any element.
1883//>>docs: https://api.jqueryui.com/draggable/
1884//>>demos: https://jqueryui.com/draggable/
1885//>>css.structure: ../../themes/base/draggable.css
1886
1887
1888$.widget( "ui.draggable", $.ui.mouse, {
1889	version: "1.14.0

1889",
1890	widgetEventPrefix: "drag",
1891	options: {
1892		addClasses: true,
1893		appendTo: "parent",
1894		axis: false,
1895		connectToSortable: false,
1896		containment: false,
1897		cursor: "auto",
1898		cursorAt: false,
1899		grid: false,
1900		handle: false,
1901		helper: "original",
1902		iframeFix: false,
1903		opacity: false,
1904		refreshPositions: false,
1905		revert: false,
1906		revertDuration: 500,
1907		scope: "default",
1908		scroll: true,
1909		scrollSensitivity: 20,
1910		scrollSpeed: 20,
1911		snap: false,
1912		snapMode: "both",
1913		snapTolerance: 20,
1914		stack: false,
1915		zIndex: false,
1916
1917		// Callbacks
1918		drag: null,
1919		start: null,
1920		stop: null
1921	},
1922	_create: function() {
1923
1924		if ( this.options.helper === "original" ) {
1925			this._setPositionRelative();
1926		}
1927		if ( this.options.addClasses ) {
1928			this._addClass( "ui-draggable" );
1929		}
1930		this._setHandleClassName();
1931
1932		this._mouseInit();
1933	},
1934
1935	_setOption: function( key, value ) {
1936		this._super( key, value );
1937		if ( key === "handle" ) {
1938			this._removeHandleClassName();
1939			this._setHandleClassName();
1940		}
1941	},
1942
1943	_destroy: function() {
1944		if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
1945			this.destroyOnClear = true;
1946			return;
1947		}
1948		this._removeHandleClassName();
1949		this._mouseDestroy();
1950	},
1951
1952	_mouseCapture: function( event ) {
1953		var o = this.options;
1954
1955		// Among others, prevent a drag on a resizable-handle
1956		if ( this.helper || o.disabled ||
1957				$( event.target ).closest( ".ui-resizable-handle" ).length > 0 ) {
1958			return false;
1959		}
1960
1961		//Quit if we're not on a valid handle
1962		this.handle = this._getHandle( event );
1963		if ( !this.handle ) {
1964			return false;
1965		}
1966
1967		this._blurActiveElement( event );
1968
1969		this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );
1970
1971		return true;
1972
1973	},
1974
1975	_blockFrames: function( selector ) {
1976		this.iframeBlocks = this.document.find( selector ).map( function() {
1977			var iframe = $( this );
1978
1979			return $( "<div>" )
1980				.css( "position", "absolute" )
1981				.appendTo( iframe.parent() )
1982				.outerWidth( iframe.outerWidth() )
1983				.outerHeight( iframe.outerHeight() )
1984				.offset( iframe.offset() )[ 0 ];
1985		} );
1986	},
1987
1988	_unblockFrames: function() {
1989		if ( this.iframeBlocks ) {
1990			this.iframeBlocks.remove();
1991			delete this.iframeBlocks;
1992		}
1993	},
1994
1995	_blurActiveElement: function( event ) {
1996		var activeElement = this.document[ 0 ].activeElement,
1997			target = $( event.target );
1998
1999		// Don't blur if the event occurred on an element that is within
2000		// the currently focused element
2001		// See #10527, #12472
2002		if ( target.closest( activeElement ).length ) {
2003			return;
2004		}
2005
2006		// Blur any element that currently has focus, see #4261
2007		$( activeElement ).trigger( "blur" );
2008	},
2009
2010	_mouseStart: function( event ) {
2011
2012		var o = this.options;
2013
2014		//Create and append the visible helper
2015		this.helper = this._createHelper( event );
2016
2017		this._addClass( this.helper, "ui-draggable-dragging" );
2018
2019		//Cache the helper size
2020		this._cacheHelperProportions();
2021
2022		//If ddmanager is used for droppables, set the global draggable
2023		if ( $.ui.ddmanager ) {
2024			$.ui.ddmanager.current = this;
2025		}
2026
2027		/*
2028		 * - Position generation -
2029		 * This block generates everything position related - it's the core of draggables.
2030		 */
2031
2032		//Cache the margins of the original element
2033		this._cacheMargins();
2034
2035		//Store the helper's css position
2036		this.cssPosition = this.helper.css( "position" );
2037		this.scrollParent = this.helper.scrollParent( true );
2038		this.offsetParent = this.helper.offsetParent();
2039		this.hasFixedAncestor = this.helper.parents().filter( function() {
2040				return $( this ).css( "position" ) === "fixed";
2041			} ).length > 0;
2042
2043		//The element's absolute position on the page minus margins
2044		this.positionAbs = this.element.offset();
2045		this._refreshOffsets( event );
2046
2047		//Generate the original position
2048		this.originalPosition = this.position = this._generatePosition( event, false );
2049		this.originalPageX = event.pageX;
2050		this.originalPageY = event.pageY;
2051
2052		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
2053		if ( o.cursorAt ) {
2054			this._adjustOffsetFromHelper( o.cursorAt );
2055		}
2056
2057		//Set a containment if given in the options
2058		this._setContainment();
2059
2060		//Trigger event + callbacks
2061		if ( this._trigger( "start", event ) === false ) {
2062			this._clear();
2063			return false;
2064		}
2065
2066		//Recache the helper size
2067		this._cacheHelperProportions();
2068
2069		//Prepare the droppable offsets
2070		if ( $.ui.ddmanager && !o.dropBehaviour ) {
2071			$.ui.ddmanager.prepareOffsets( this, event );
2072		}
2073
2074		// Execute the drag once - this causes the helper not to be visible before getting its
2075		// correct position
2076		this._mouseDrag( event, true );
2077
2078		// If the ddmanager is used for droppables, inform the manager that dragging has started
2079		// (see #5003)
2080		if ( $.ui.ddmanager ) {
2081			$.ui.ddmanager.dragStart( this, event );
2082		}
2083
2084		return true;
2085	},
2086
2087	_refreshOffsets: function( event ) {
2088		this.offset = {
2089			top: this.positionAbs.top - this.margins.top,
2090			left: this.positionAbs.left - this.margins.left,
2091			scroll: false,
2092			parent: this._getParentOffset(),
2093			relative: this._getRelativeOffset()
2094		};
2095
2096		this.offset.click = {
2097			left: event.pageX - this.offset.left,
2098			top: event.pageY - this.offset.top
2099		};
2100	},
2101
2102	_mouseDrag: function( event, noPropagation ) {
2103
2104		// reset any necessary cached properties (see #5009)
2105		if ( this.hasFixedAncestor ) {
2106			this.offset.parent = this._getParentOffset();
2107		}
2108
2109		//Compute the helpers position
2110		this.position = this._generatePosition( event, true );
2111		this.positionAbs = this._convertPositionTo( "absolute" );
2112
2113		//Call plugins and callbacks and use the resulting position if something is returned
2114		if ( !noPropagation ) {
2115			var ui = this._uiHash();
2116			if ( this._trigger( "drag", event, ui ) === false ) {
2117				this._mouseUp( new $.Event( "mouseup", event ) );
2118				return false;
2119			}
2120			this.position = ui.position;
2121		}
2122
2123		this.helper[ 0 ].style.left = this.position.left + "px";
2124		this.helper[ 0 ].style.top = this.position.top + "px";
2125
2126		if ( $.ui.ddmanager ) {
2127			$.ui.ddmanager.drag( this, event );
2128		}
2129
2130		return false;
2131	},
2132
2133	_mouseStop: function( event ) {
2134
2135		//If we are using droppables, inform the manager about the drop
2136		var that = this,
2137			dropped = false;
2138		if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
2139			dropped = $.ui.ddmanager.drop( this, event );
2140		}
2141
2142		//if a drop comes from outside (a sortable)
2143		if ( this.dropped ) {
2144			dropped = this.dropped;
2145			this.dropped = false;
2146		}
2147
2148		if ( ( this.options.revert === "invalid" && !dropped ) ||
2149				( this.options.revert === "valid" && dropped ) ||
2150				this.options.revert === true || ( typeof this.options.revert === "function" &&
2151				this.options.revert.call( this.element, dropped ) )
2152		) {
2153			$( this.helper ).animate(
2154				this.originalPosition,
2155				parseInt( this.options.revertDuration, 10 ),
2156				function() {
2157					if ( that._trigger( "stop", event ) !== false ) {
2158						that._clear();
2159					}
2160				}
2161			);
2162		} else {
2163			if ( this._trigger( "stop", event ) !== false ) {
2164				this._clear();
2165			}
2166		}
2167
2168		return false;
2169	},
2170
2171	_mouseUp: function( event ) {
2172		this._unblockFrames();
2173
2174		// If the ddmanager is used for droppables, inform the manager that dragging has stopped
2175		// (see #5003)
2176		if ( $.ui.ddmanager ) {
2177			$.ui.ddmanager.dragStop( this, event );
2178		}
2179
2180		// Only need to focus if the event occurred on the draggable itself, see #10527
2181		if ( this.handleElement.is( event.target ) ) {
2182
2183			// The interaction is over; whether or not the click resulted in a drag,
2184			// focus the element
2185			this.element.trigger( "focus" );
2186		}
2187
2188		return $.ui.mouse.prototype._mouseUp.call( this, event );
2189	},
2190
2191	cancel: function() {
2192
2193		if ( this.helper.is( ".ui-draggable-dragging" ) ) {
2194			this._mouseUp( new $.Event( "mouseup", { target: this.element[ 0 ] } ) );
2195		} else {
2196			this._clear();
2197		}
2198
2199		return this;
2200
2201	},
2202
2203	_getHandle: function( event ) {
2204		return this.options.handle ?
2205			!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
2206			true;
2207	},
2208
2209	_setHandleClassName: function() {
2210		this.handleElement = this.options.handle ?
2211			this.element.find( this.options.handle ) : this.element;
2212		this._addClass( this.handleElement, "ui-draggable-handle" );
2213	},
2214
2215	_removeHandleClassName: function() {
2216		this._removeClass( this.handleElement, "ui-draggable-handle" );
2217	},
2218
2219	_createHelper: function( event ) {
2220
2221		var o = this.options,
2222			helperIsFunction = typeof o.helper === "function",
2223			helper = helperIsFunction ?
2224				$( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
2225				( o.helper === "clone" ?
2226					this.element.clone().removeAttr( "id" ) :
2227					this.element );
2228
2229		if ( !helper.parents( "body" ).length ) {
2230			helper.appendTo( ( o.appendTo === "parent" ?
2231				this.element[ 0 ].parentNode :
2232				o.appendTo ) );
2233		}
2234
2235		// https://bugs.jqueryui.com/ticket/9446
2236		// a helper function can return the original element
2237		// which wouldn't have been set to relative in _create
2238		if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
2239			this._setPositionRelative();
2240		}
2241
2242		if ( helper[ 0 ] !== this.element[ 0 ] &&
2243				!( /(fixed|absolute)/ ).test( helper.css( "position" ) ) ) {
2244			helper.css( "position", "absolute" );
2245		}
2246
2247		return helper;
2248
2249	},
2250
2251	_setPositionRelative: function() {
2252		if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
2253			this.element[ 0 ].style.position = "relative";
2254		}
2255	},
2256
2257	_adjustOffsetFromHelper: function( obj ) {
2258		if ( typeof obj === "string" ) {
2259			obj = obj.split( " " );
2260		}
2261		if ( Array.isArray( obj ) ) {
2262			obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
2263		}
2264		if ( "left" in obj ) {
2265			this.offset.click.left = obj.left + this.margins.left;
2266		}
2267		if ( "right" in obj ) {
2268			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
2269		}
2270		if ( "top" in obj ) {
2271			this.offset.click.top = obj.top + this.margins.top;
2272		}
2273		if ( "bottom" in obj ) {
2274			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
2275		}
2276	},
2277
2278	_isRootNode: function( element ) {
2279		return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
2280	},
2281
2282	_getParentOffset: function() {
2283
2284		//Get the offsetParent and cache its position
2285		var po = this.offsetParent.offset(),
2286			document = this.document[ 0 ];
2287
2288		// This is a special case where we need to modify a offset calculated on start, since the
2289		// following happened:
2290		// 1. The position of the helper is absolute, so it's position is calculated based on the
2291		// next positioned parent
2292		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
2293		// the document, which means that the scroll is included in the initial calculation of the
2294		// offset of the parent, and never recalculated upon drag
2295		if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== document &&
2296				$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
2297			po.left += this.scrollParent.scrollLeft();
2298			po.top += this.scrollParent.scrollTop();
2299		}
2300
2301		if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
2302			po = { top: 0, left: 0 };
2303		}
2304
2305		return {
2306			top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
2307			left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
2308		};
2309
2310	},
2311
2312	_getRelativeOffset: function() {
2313		if ( this.cssPosition !== "relative" ) {
2314			return { top: 0, left: 0 };
2315		}
2316
2317		var p = this.element.position(),
2318			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
2319
2320		return {
2321			top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
2322				( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
2323			left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
2324				( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
2325		};
2326
2327	},
2328
2329	_cacheMargins: function() {
2330		this.margins = {
2331			left: ( parseInt( this.element.css( "marginLeft" ), 10 ) || 0 ),
2332			top: ( parseInt( this.element.css( "marginTop" ), 10 ) || 0 ),
2333			right: ( parseInt( this.element.css( "marginRight" ), 10 ) || 0 ),
2334			bottom: ( parseInt( this.element.css( "marginBottom" ), 10 ) || 0 )
2335		};
2336	},
2337
2338	_cacheHelperProportions: function() {
2339		this.helperProportions = {
2340			width: this.helper.outerWidth(),
2341			height: this.helper.outerHeight()
2342		};
2343	},
2344
2345	_setContainment: function() {
2346
2347		var isUserScrollable, c, ce,
2348			o = this.options,
2349			document = this.document[ 0 ];
2350
2351		this.relativeContainer = null;
2352
2353		if ( !o.containment ) {
2354			this.containment = null;
2355			return;
2356		}
2357
2358		if ( o.containment === "window" ) {
2359			this.containment = [
2360				$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
2361				$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
2362				$( window ).scrollLeft() + $( window ).width() -
2363					this.helperProportions.width - this.margins.left,
2364				$( window ).scrollTop() +
2365					( $( window ).height() || document.body.parentNode.scrollHeight ) -
2366					this.helperProportions.height - this.margins.top
2367			];
2368			return;
2369		}
2370
2371		if ( o.containment === "document" ) {
2372			this.containment = [
2373				0,
2374				0,
2375				$( document ).width() - this.helperProportions.width - this.margins.left,
2376				( $( document ).height() || document.body.parentNode.scrollHeight ) -
2377					this.helperProportions.height - this.margins.top
2378			];
2379			return;
2380		}
2381
2382		if ( o.containment.constructor === Array ) {

2383			this.containment = o.containment;
2384			return;
2385		}
2386
2387		if ( o.containment === "parent" ) {
2388			o.containment = this.helper[ 0 ].parentNode;
2389		}
2390
2391		c = $( o.containment );
2392		ce = c[ 0 ];
2393
2394		if ( !ce ) {
2395			return;
2396		}
2397
2398		isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );
2399
2400		this.containment = [
2401			( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) +
2402				( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
2403			( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) +
2404				( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
2405			( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
2406				( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
2407				( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
2408				this.helperProportions.width -
2409				this.margins.left -
2410				this.margins.right,
2411			( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
2412				( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
2413				( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
2414				this.helperProportions.height -
2415				this.margins.top -
2416				this.margins.bottom
2417		];
2418		this.relativeContainer = c;
2419	},
2420
2421	_convertPositionTo: function( d, pos ) {
2422
2423		if ( !pos ) {
2424			pos = this.position;
2425		}
2426
2427		var mod = d === "absolute" ? 1 : -1,
2428			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
2429
2430		return {
2431			top: (
2432
2433				// The absolute mouse position
2434				pos.top	+
2435
2436				// Only for relative positioned nodes: Relative offset from element to offset parent
2437				this.offset.relative.top * mod +
2438
2439				// The offsetParent's offset without borders (offset + border)
2440				this.offset.parent.top * mod -
2441				( ( this.cssPosition === "fixed" ?
2442					-this.offset.scroll.top :
2443					( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod )
2444			),
2445			left: (
2446
2447				// The absolute mouse position
2448				pos.left +
2449
2450				// Only for relative positioned nodes: Relative offset from element to offset parent
2451				this.offset.relative.left * mod +
2452
2453				// The offsetParent's offset without borders (offset + border)
2454				this.offset.parent.left * mod	-
2455				( ( this.cssPosition === "fixed" ?
2456					-this.offset.scroll.left :
2457					( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod )
2458			)
2459		};
2460
2461	},
2462
2463	_generatePosition: function( event, constrainPosition ) {
2464
2465		var containment, co, top, left,
2466			o = this.options,
2467			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
2468			pageX = event.pageX,
2469			pageY = event.pageY;
2470
2471		// Cache the scroll
2472		if ( !scrollIsRootNode || !this.offset.scroll ) {
2473			this.offset.scroll = {
2474				top: this.scrollParent.scrollTop(),
2475				left: this.scrollParent.scrollLeft()
2476			};
2477		}
2478
2479		/*
2480		 * - Position constraining -
2481		 * Constrain the position to a mix of grid, containment.
2482		 */
2483
2484		// If we are not dragging yet, we won't check for options
2485		if ( constrainPosition ) {
2486			if ( this.containment ) {
2487				if ( this.relativeContainer ) {
2488					co = this.relativeContainer.offset();
2489					containment = [
2490						this.containment[ 0 ] + co.left,
2491						this.containment[ 1 ] + co.top,
2492						this.containment[ 2 ] + co.left,
2493						this.containment[ 3 ] + co.top
2494					];
2495				} else {
2496					containment = this.containment;
2497				}
2498
2499				if ( event.pageX - this.offset.click.left < containment[ 0 ] ) {
2500					pageX = containment[ 0 ] + this.offset.click.left;
2501				}
2502				if ( event.pageY - this.offset.click.top < containment[ 1 ] ) {
2503					pageY = containment[ 1 ] + this.offset.click.top;
2504				}
2505				if ( event.pageX - this.offset.click.left > containment[ 2 ] ) {
2506					pageX = containment[ 2 ] + this.offset.click.left;
2507				}
2508				if ( event.pageY - this.offset.click.top > containment[ 3 ] ) {
2509					pageY = containment[ 3 ] + this.offset.click.top;
2510				}
2511			}
2512
2513			if ( o.grid ) {
2514
2515				//Check for grid elements set to 0 to prevent divide by 0 error causing invalid
2516				// argument errors in IE (see ticket #6950)
2517				top = o.grid[ 1 ] ? this.originalPageY + Math.round( ( pageY -
2518					this.originalPageY ) / o.grid[ 1 ] ) * o.grid[ 1 ] : this.originalPageY;
2519				pageY = containment ? ( ( top - this.offset.click.top >= containment[ 1 ] ||
2520					top - this.offset.click.top > containment[ 3 ] ) ?
2521						top :
2522						( ( top - this.offset.click.top >= containment[ 1 ] ) ?
2523							top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : top;
2524
2525				left = o.grid[ 0 ] ? this.originalPageX +
2526					Math.round( ( pageX - this.originalPageX ) / o.grid[ 0 ] ) * o.grid[ 0 ] :
2527					this.originalPageX;
2528				pageX = containment ? ( ( left - this.offset.click.left >= containment[ 0 ] ||
2529					left - this.offset.click.left > containment[ 2 ] ) ?
2530						left :
2531						( ( left - this.offset.click.left >= containment[ 0 ] ) ?
2532							left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : left;
2533			}
2534
2535			if ( o.axis === "y" ) {
2536				pageX = this.originalPageX;
2537			}
2538
2539			if ( o.axis === "x" ) {
2540				pageY = this.originalPageY;
2541			}
2542		}
2543
2544		return {
2545			top: (
2546
2547				// The absolute mouse position
2548				pageY -
2549
2550				// Click offset (relative to the element)
2551				this.offset.click.top -
2552
2553				// Only for relative positioned nodes: Relative offset from element to offset parent
2554				this.offset.relative.top -
2555
2556				// The offsetParent's offset without borders (offset + border)
2557				this.offset.parent.top +
2558				( this.cssPosition === "fixed" ?
2559					-this.offset.scroll.top :
2560					( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
2561			),
2562			left: (
2563
2564				// The absolute mouse position
2565				pageX -
2566
2567				// Click offset (relative to the element)
2568				this.offset.click.left -
2569
2570				// Only for relative positioned nodes: Relative offset from element to offset parent
2571				this.offset.relative.left -
2572
2573				// The offsetParent's offset without borders (offset + border)
2574				this.offset.parent.left +
2575				( this.cssPosition === "fixed" ?
2576					-this.offset.scroll.left :
2577					( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
2578			)
2579		};
2580
2581	},
2582
2583	_clear: function() {
2584		this._removeClass( this.helper, "ui-draggable-dragging" );
2585		if ( this.helper[ 0 ] !== this.element[ 0 ] && !this.cancelHelperRemoval ) {
2586			this.helper.remove();
2587		}
2588		this.helper = null;
2589		this.cancelHelperRemoval = false;
2590		if ( this.destroyOnClear ) {
2591			this.destroy();
2592		}
2593	},
2594
2595	// From now on bulk stuff - mainly helpers
2596
2597	_trigger: function( type, event, ui ) {
2598		ui = ui || this._uiHash();
2599		$.ui.plugin.call( this, type, [ event, ui, this ], true );
2600
2601		// Absolute position and offset (see #6884 ) have to be recalculated after plugins
2602		if ( /^(drag|start|stop)/.test( type ) ) {
2603			this.positionAbs = this._convertPositionTo( "absolute" );
2604			ui.offset = this.positionAbs;
2605		}
2606		return $.Widget.prototype._trigger.call( this, type, event, ui );
2607	},
2608
2609	plugins: {},
2610
2611	_uiHash: function() {
2612		return {
2613			helper: this.helper,
2614			position: this.position,
2615			originalPosition: this.originalPosition,
2616			offset: this.positionAbs
2617		};
2618	}
2619
2620} );
2621
2622$.ui.plugin.add( "draggable", "connectToSortable", {
2623	start: function( event, ui, draggable ) {
2624		var uiSortable = $.extend( {}, ui, {
2625			item: draggable.element
2626		} );
2627
2628		draggable.sortables = [];
2629		$( draggable.options.connectToSortable ).each( function() {
2630			var sortable = $( this ).sortable( "instance" );
2631
2632			if ( sortable && !sortable.options.disabled ) {
2633				draggable.sortables.push( sortable );
2634
2635				// RefreshPositions is called at drag start to refresh the containerCache
2636				// which is used in drag. This ensures it's initialized and synchronized
2637				// with any changes that might have happened on the page since initialization.
2638				sortable.refreshPositions();
2639				sortable._trigger( "activate", event, uiSortable );
2640			}
2641		} );
2642	},
2643	stop: function( event, ui, draggable ) {
2644		var uiSortable = $.extend( {}, ui, {
2645			item: draggable.element
2646		} );
2647
2648		draggable.cancelHelperRemoval = false;
2649
2650		$.each( draggable.sortables, function() {
2651			var sortable = this;
2652
2653			if ( sortable.isOver ) {
2654				sortable.isOver = 0;
2655
2656				// Allow this sortable to handle removing the helper
2657				draggable.cancelHelperRemoval = true;
2658				sortable.cancelHelperRemoval = false;
2659
2660				// Use _storedCSS To restore properties in the sortable,
2661				// as this also handles revert (#9675) since the draggable
2662				// may have modified them in unexpected ways (#8809)
2663				sortable._storedCSS = {
2664					position: sortable.placeholder.css( "position" ),
2665					top: sortable.placeholder.css( "top" ),
2666					left: sortable.placeholder.css( "left" )
2667				};
2668
2669				sortable._mouseStop( event );
2670
2671				// Once drag has ended, the sortable should return to using
2672				// its original helper, not the shared helper from draggable
2673				sortable.options.helper = sortable.options._helper;
2674			} else {
2675
2676				// Prevent this Sortable from removing the helper.
2677				// However, don't set the draggable to remove the helper
2678				// either as another connected Sortable may yet handle the removal.
2679				sortable.cancelHelperRemoval = true;
2680
2681				sortable._trigger( "deactivate", event, uiSortable );
2682			}
2683		} );
2684	},
2685	drag: function( event, ui, draggable ) {
2686		$.each( draggable.sortables, function() {
2687			var innermostIntersecting = false,
2688				sortable = this;
2689
2690			// Copy over variables that sortable's _intersectsWith uses
2691			sortable.positionAbs = draggable.positionAbs;
2692			sortable.helperProportions = draggable.helperProportions;
2693			sortable.offset.click = draggable.offset.click;
2694
2695			if ( sortable._intersectsWith( sortable.containerCache ) ) {
2696				innermostIntersecting = true;
2697
2698				$.each( draggable.sortables, function() {
2699
2700					// Copy over variables that sortable's _intersectsWith uses
2701					this.positionAbs = draggable.positionAbs;
2702					this.helperProportions = draggable.helperProportions;
2703					this.offset.click = draggable.offset.click;
2704
2705					if ( this !== sortable &&
2706							this._intersectsWith( this.containerCache ) &&
2707							$.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
2708						innermostIntersecting = false;
2709					}
2710
2711					return innermostIntersecting;
2712				} );
2713			}
2714
2715			if ( innermostIntersecting ) {
2716
2717				// If it intersects, we use a little isOver variable and set it once,
2718				// so that the move-in stuff gets fired only once.
2719				if ( !sortable.isOver ) {
2720					sortable.isOver = 1;
2721
2722					// Store draggable's parent in case we need to reappend to it later.
2723					draggable._parent = ui.helper.parent();
2724
2725					sortable.currentItem = ui.helper
2726						.appendTo( sortable.element )
2727						.data( "ui-sortable-item", true );
2728
2729					// Store helper option to later restore it