https://app.meemoo.org/libs/jquery-ui/jquery-ui.js

1/*! jQuery UI - v1.13.0 - 2021-10-31
2* http://jqueryui.com
3* Includes: widget.js, position.js, data.js, disable-selection.js, focusable.js, form-reset-mixin.js, jquery-patch.js, keycode.js, labels.js, scroll-parent.js, tabbable.js, unique-id.js, widgets/draggable.js, widgets/droppable.js, widgets/resizable.js, widgets/selectable.js, widgets/sortable.js, widgets/accordion.js, widgets/autocomplete.js, widgets/button.js, widgets/checkboxradio.js, widgets/controlgroup.js, widgets/datepicker.js, widgets/dialog.js, widgets/menu.js, widgets/mouse.js, widgets/progressbar.js, widgets/selectmenu.js, widgets/slider.js, widgets/spinner.js, widgets/tabs.js, widgets/tooltip.js, effect.js, effects/effect-blind.js, effects/effect-bounce.js, effects/effect-clip.js, effects/effect-drop.js, effects/effect-explode.js, effects/effect-fade.js, effects/effect-fold.js, effects/effect-highlight.js, effects/effect-puff.js, effects/effect-pulsate.js, effects/effect-scale.js, effects/effect-shake.js, effects/effect-size.js, effects/effect-slide.js, effects/effect-transfer.js
4* Copyright jQuery 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 = $.ui.version = "1.13.0";
24
25
26/*!
27 * jQuery UI Widget 1.13.0
28 * http://jqueryui.com
29 *
30 * Copyright jQuery Foundation and other contributors
31 * Released under the MIT license.
32 * http://jquery.org/license
33 */
34
35//>>label: Widget
36//>>group: Core
37//>>description: Provides a factory for creating stateful widgets with a common API.
38//>>docs: http://api.jqueryui.com/jQuery.widget/
39//>>demos: http://jqueryui.com/widget/
40
41
42var widgetUuid = 0;
43var widgetHasOwnProperty = Array.prototype.hasOwnProperty;
44var widgetSlice = Array.prototype.slice;
45
46$.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	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 (

91 !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			

513options.element.each( function( _, element ) {
514				var isTracked = $.map( that.classesElementLookup, function( elements ) {
515					return elements;
516				} )
517					.some( function( elements ) {
518						return elements.is( element );
519					} );
520
521				if ( !isTracked ) {
522					that._on( $( element ), {
523						remove: "_untrackClassesElement"
524					} );
525				}
526			} );
527		}
528
529		function processClassString( classes, checkOption ) {
530			var current, i;
531			for ( i = 0; i < classes.length; i++ ) {
532				current = that.classesElementLookup[ classes[ i ] ] || $();
533				if ( options.add ) {
534					bindRemoveEvent();
535					current = $( $.uniqueSort( current.get().concat( options.element.get() ) ) );
536				} else {
537					current = $( current.not( options.element ).get() );
538				}
539				that.classesElementLookup[ classes[ i ] ] = current;
540				full.push( classes[ i ] );
541				if ( checkOption && options.classes[ classes[ i ] ] ) {
542					full.push( options.classes[ classes[ i ] ] );
543				}
544			}
545		}
546
547		if ( options.keys ) {
548			processClassString( options.keys.match( /\S+/g ) || [], true );
549		}
550		if ( options.extra ) {
551			processClassString( options.extra.match( /\S+/g ) || [] );
552		}
553
554		return full.join( " " );
555	},
556
557	_untrackClassesElement: function( event ) {
558		var that = this;
559		$.each( that.classesElementLookup, function( key, value ) {
560			if ( $.inArray( event.target, value ) !== -1 ) {
561				that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
562			}
563		} );
564
565		this._off( $( event.target ) );
566	},
567
568	_removeClass: function( element, keys, extra ) {
569		return this._toggleClass( element, keys, extra, false );
570	},
571
572	_addClass: function( element, keys, extra ) {
573		return this._toggleClass( element, keys, extra, true );
574	},
575
576	_toggleClass: function( element, keys, extra, add ) {
577		add = ( typeof add === "boolean" ) ? add : extra;
578		var shift = ( typeof element === "string" || element === null ),
579			options = {
580				extra: shift ? keys : extra,
581				keys: shift ? element : keys,
582				element: shift ? this.element : element,
583				add: add
584			};
585		options.element.toggleClass( this._classes( options ), add );
586		return this;
587	},
588
589	_on: function( suppressDisabledCheck, element, handlers ) {
590		var delegateElement;
591		var instance = this;
592
593		// No suppressDisabledCheck flag, shuffle arguments
594		if ( typeof suppressDisabledCheck !== "boolean" ) {
595			handlers = element;
596			element = suppressDisabledCheck;
597			suppressDisabledCheck = false;
598		}
599
600		// No element argument, shuffle and use this.element
601		if ( !handlers ) {
602			handlers = element;
603			element = this.element;
604			delegateElement = this.widget();
605		} else {
606			element = delegateElement = $( element );
607			this.bindings = this.bindings.add( element );
608		}
609
610		$.each( handlers, function( event, handler ) {
611			function handlerProxy() {
612
613				// Allow widgets to customize the disabled handling
614				// - disabled as an array instead of boolean
615				// - disabled class as method for disabling individual parts
616				if ( !suppressDisabledCheck &&
617						( instance.options.disabled === true ||
618						$( this ).hasClass( "ui-state-disabled" ) ) ) {
619					return;
620				}
621				return ( typeof handler === "string" ? instance[ handler ] : handler )
622					.apply( instance, arguments );
623			}
624
625			// Copy the guid so direct unbinding works
626			if ( typeof handler !== "string" ) {
627				handlerProxy.guid = handler.guid =
628					handler.guid || handlerProxy.guid || $.guid++;
629			}
630
631			var match = event.match( /^([\w:-]*)\s*(.*)$/ );
632			var eventName = match[ 1 ] + instance.eventNamespace;
633			var selector = match[ 2 ];
634
635			if ( selector ) {
636				delegateElement.on( eventName, selector, handlerProxy );
637			} else {
638				element.on( eventName, handlerProxy );
639			}
640		} );
641	},
642
643	_off: function( element, eventName ) {
644		eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
645			this.eventNamespace;
646		element.off( eventName );
647
648		// Clear the stack to avoid memory leaks (#10056)
649		this.bindings = $( this.bindings.not( element ).get() );
650		this.focusable = $( this.focusable.not( element ).get() );
651		this.hoverable = $( this.hoverable.not( element ).get() );
652	},
653
654	_delay: function( handler, delay ) {
655		function handlerProxy() {
656			return ( typeof handler === "string" ? instance[ handler ] : handler )
657				.apply( instance, arguments );
658		}
659		var instance = this;
660		return setTimeout( handlerProxy, delay || 0 );
661	},
662
663	_hoverable: function( element ) {
664		this.hoverable = this.hoverable.add( element );
665		this._on( element, {
666			mouseenter: function( event ) {
667				this._addClass( $( event.currentTarget ), null, "ui-state-hover" );
668			},
669			mouseleave: function( event ) {
670				this._removeClass( $( event.currentTarget ), null, "ui-state-hover" );
671			}
672		} );
673	},
674
675	_focusable: function( element ) {
676		this.focusable = this.focusable.add( element );
677		this._on( element, {
678			focusin: function( event ) {
679				this._addClass( $( event.currentTarget ), null, "ui-state-focus" );
680			},
681			focusout: function( event ) {
682				this._removeClass( $( event.currentTarget ), null, "ui-state-focus" );
683			}
684		} );
685	},
686
687	_trigger: function( type, event, data ) {
688		var prop, orig;
689		var callback = this.options[ type ];
690
691		data = data || {};
692		event = $.Event( event );
693		event.type = ( type === this.widgetEventPrefix ?
694			type :
695			this.widgetEventPrefix + type ).toLowerCase();
696
697		// The original event may come from any element
698		// so we need to reset the target on the new event
699		event.target = this.element[ 0 ];
700
701		// Copy original event properties over to the new event
702		orig = event.originalEvent;
703		if ( orig ) {
704			for ( prop in orig ) {
705				if ( !( prop in event ) ) {
706					event[ prop ] = orig[ prop ];
707				}
708			}
709		}
710
711		this.element.trigger( event, data );
712		return !( typeof callback === "function" &&
713			callback.apply( this.element[ 0 ], [ event ].concat( data ) ) === false ||
714			event.isDefaultPrevented() );
715	}
716};
717
718$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
719	$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
720		if ( typeof options === "string" ) {
721			options = { effect: options };
722		}
723
724		var hasOptions;
725		var effectName = !options ?
726			method :
727			options === true || typeof options === "number" ?
728				defaultEffect :
729				options.effect || defaultEffect;
730
731		options = options || {};
732		if ( typeof options === "number" ) {
733			options = { duration: options };
734		} else if ( options === true ) {
735			options = {};
736		}
737
738		hasOptions = !$.isEmptyObject( options );
739		options.complete = callback;
740
741		if ( options.delay ) {
742			element.delay( options.delay );
743		}
744
745		if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
746			element[ method ]( options );
747		} else if ( effectName !== method && element[ effectName ] ) {
748			element[ effectName ]( options.duration, options.easing, callback );
749		} else {
750			element.queue( function( next ) {
751				$( this )[ method ]();
752				if ( callback ) {
753					callback.call( element[ 0 ] );
754				}
755				next();
756			} );
757		}
758	};
759} );
760
761var widget = $.widget;
762
763
764/*!
765 * jQuery UI Position 1.13.0
766 * http://jqueryui.com
767 *
768 * Copyright jQuery Foundation and other contributors
769 * Released under the MIT license.
770 * http://jquery.org/license
771 *
772 * http://api.jqueryui.com/position/
773 */
774
775//>>label: Position
776//>>group: Core
777//>>description: Positions elements relative to other elements.
778//>>docs: http://api.jqueryui.com/position/
779//>>demos: http://jqueryui.com/position/
780
781
782( function() {
783var cachedScrollbarWidth,
784	max = Math.max,
785	abs = Math.abs,
786	rhorizontal = /left|center|right/,
787	rvertical = /top|center|bottom/,
788	roffset = /[\+\-]\d+(\.[\d]+)?%?/,
789	rposition = /^\w+/,
790	rpercent = /%$/,
791	_position = $.fn.position;
792
793function getOffsets( offsets, width, height ) {
794	return [
795		parseFloat( offsets[ 0 ] ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
796		parseFloat( offsets[ 1 ] ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
797	];
798}
799
800function parseCss( element, property ) {
801	return parseInt( $.css( element, property ), 10 ) || 0;
802}
803
804function isWindow( obj ) {
805	return obj != null && obj === obj.window;
806}
807
808function getDimensions( elem ) {
809	var raw = elem[ 0 ];
810	if ( raw.nodeType === 9 ) {
811		return {
812			width: elem.width(),
813			height: elem.height(),
814			offset: { top: 0, left: 0 }
815		};
816	}
817	if ( isWindow( raw ) ) {
818		return {
819			width: elem.width(),
820			height: elem.height(),
821			offset: { top: elem.scrollTop(), left: elem.scrollLeft() }
822		};
823	}
824	if ( raw.preventDefault ) {
825		return {
826			width: 0,
827			height: 0,
828			offset: { top: raw.pageY, left: raw.pageX }
829		};
830	}
831	return {
832		width: elem.outerWidth(),
833		height: elem.outerHeight(),
834		offset: elem.offset()
835	};
836}
837
838$.position = {
839	scrollbarWidth: function() {
840		if ( cachedScrollbarWidth !== undefined ) {
841			return cachedScrollbarWidth;
842		}
843		var w1, w2,
844			div = $( "<div style=" +
845				"'display:block;position:absolute;width:200px;height:200px;overflow:hidden;'>" +
846				"<div style='height:300px;width:auto;'></div></div>" ),
847			innerDiv = div.children()[ 0 ];
848
849		$( "body" ).append( div );
850		w1 = innerDiv.offsetWidth;
851		div.css( "overflow", "scroll" );
852
853		w2 = innerDiv.offsetWidth;
854
855		if ( w1 === w2 ) {
856			w2 = div[ 0 ].clientWidth;
857		}
858
859		div.remove();
860
861		return ( cachedScrollbarWidth = w1 - w2 );
862	},
863	getScrollInfo: function( within ) {
864		var overflowX = within.isWindow || within.isDocument ? "" :
865				within.element.css( "overflow-x" ),
866			overflowY = within.isWindow || within.isDocument ? "" :
867				within.element.css( "overflow-y" ),
868			hasOverflowX = overflowX === "scroll" ||
869				( overflowX === "auto" && within.width < within.element[ 0 ].scrollWidth ),
870			hasOverflowY = overflowY === "scroll" ||
871				( overflowY === "auto" && within.height < within.element[ 0 ].scrollHeight );
872		return {
873			width: hasOverflowY ? $.position.scrollbarWidth() : 0,
874			height: hasOverflowX ? $.position.scrollbarWidth() : 0
875		};
876	},
877	getWithinInfo: function( element ) {
878		var withinElement = $( element || window ),
879			isElemWindow = isWindow( withinElement[ 0 ] ),
880			isDocument = !!withinElement[ 0 ] && withinElement[ 0 ].nodeType === 9,
881			hasOffset = !isElemWindow && !isDocument;
882		return {
883			element: withinElement,
884			isWindow: isElemWindow,
885			isDocument: isDocument,
886			offset: hasOffset ? $( element ).offset() : { left: 0, top: 0 },
887			scrollLeft: withinElement.scrollLeft(),
888			scrollTop: withinElement.scrollTop(),
889			width: withinElement.outerWidth(),
890			height: withinElement.outerHeight()
891		};
892	}
893};
894
895$.fn.position = function( options ) {
896	if ( !options || !options.of ) {
897		return _position.apply( this, arguments );
898	}
899
900	// Make a copy, we don't want to modify arguments
901	options = $.extend( {}, options );
902
903	var atOffset, targetWidth, targetHeight, targetOffset, basePosition, dimensions,
904
905		// Make sure string options are treated as CSS selectors
906		target = typeof options.of === "string" ?
907			$( document ).find( options.of ) :
908			$( options.of ),

909
910		within = $.position.getWithinInfo( options.within ),
911		scrollInfo = $.position.getScrollInfo( within ),
912		collision = ( options.collision || "flip" ).split( " " ),
913		offsets = {};
914
915	dimensions = getDimensions( target );
916	if ( target[ 0 ].preventDefault ) {
917
918		// Force left top to allow flipping
919		options.at = "left top";
920	}
921	targetWidth = dimensions.width;
922	targetHeight = dimensions.height;
923	targetOffset = dimensions.offset;
924
925	// Clone to reuse original targetOffset later
926	basePosition = $.extend( {}, targetOffset );
927
928	// Force my and at to have valid horizontal and vertical positions
929	// if a value is missing or invalid, it will be converted to center
930	$.each( [ "my", "at" ], function() {
931		var pos = ( options[ this ] || "" ).split( " " ),
932			horizontalOffset,
933			verticalOffset;
934
935		if ( pos.length === 1 ) {
936			pos = rhorizontal.test( pos[ 0 ] ) ?
937				pos.concat( [ "center" ] ) :
938				rvertical.test( pos[ 0 ] ) ?
939					[ "center" ].concat( pos ) :
940					[ "center", "center" ];
941		}
942		pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center";
943		pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center";
944
945		// Calculate offsets
946		horizontalOffset = roffset.exec( pos[ 0 ] );
947		verticalOffset = roffset.exec( pos[ 1 ] );
948		offsets[ this ] = [
949			horizontalOffset ? horizontalOffset[ 0 ] : 0,
950			verticalOffset ? verticalOffset[ 0 ] : 0
951		];
952
953		// Reduce to just the positions without the offsets
954		options[ this ] = [
955			rposition.exec( pos[ 0 ] )[ 0 ],
956			rposition.exec( pos[ 1 ] )[ 0 ]
957		];
958	} );
959
960	// Normalize collision option
961	if ( collision.length === 1 ) {
962		collision[ 1 ] = collision[ 0 ];
963	}
964
965	if ( options.at[ 0 ] === "right" ) {
966		basePosition.left += targetWidth;
967	} else if ( options.at[ 0 ] === "center" ) {
968		basePosition.left += targetWidth / 2;
969	}
970
971	if ( options.at[ 1 ] === "bottom" ) {
972		basePosition.top += targetHeight;
973	} else if ( options.at[ 1 ] === "center" ) {
974		basePosition.top += targetHeight / 2;
975	}
976
977	atOffset = getOffsets( offsets.at, targetWidth, targetHeight );
978	basePosition.left += atOffset[ 0 ];
979	basePosition.top += atOffset[ 1 ];
980
981	return this.each( function() {
982		var collisionPosition, using,
983			elem = $( this ),
984			elemWidth = elem.outerWidth(),
985			elemHeight = elem.outerHeight(),
986			marginLeft = parseCss( this, "marginLeft" ),
987			marginTop = parseCss( this, "marginTop" ),
988			collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) +
989				scrollInfo.width,
990			collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) +
991				scrollInfo.height,
992			position = $.extend( {}, basePosition ),
993			myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );
994
995		if ( options.my[ 0 ] === "right" ) {
996			position.left -= elemWidth;
997		} else if ( options.my[ 0 ] === "center" ) {
998			position.left -= elemWidth / 2;
999		}
1000
1001		if ( options.my[ 1 ] === "bottom" ) {
1002			position.top -= elemHeight;
1003		} else if ( options.my[ 1 ] === "center" ) {
1004			position.top -= elemHeight / 2;
1005		}
1006
1007		position.left += myOffset[ 0 ];
1008		position.top += myOffset[ 1 ];
1009
1010		collisionPosition = {
1011			marginLeft: marginLeft,
1012			marginTop: marginTop
1013		};
1014
1015		$.each( [ "left", "top" ], function( i, dir ) {
1016			if ( $.ui.position[ collision[ i ] ] ) {
1017				$.ui.position[ collision[ i ] ][ dir ]( position, {
1018					targetWidth: targetWidth,
1019					targetHeight: targetHeight,
1020					elemWidth: elemWidth,
1021					elemHeight: elemHeight,
1022					collisionPosition: collisionPosition,
1023					collisionWidth: collisionWidth,
1024					collisionHeight: collisionHeight,
1025					offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ],
1026					my: options.my,
1027					at: options.at,
1028					within: within,
1029					elem: elem
1030				} );
1031			}
1032		} );
1033
1034		if ( options.using ) {
1035
1036			// Adds feedback as second argument to using callback, if present
1037			using = function( props ) {
1038				var left = targetOffset.left - position.left,
1039					right = left + targetWidth - elemWidth,
1040					top = targetOffset.top - position.top,
1041					bottom = top + targetHeight - elemHeight,
1042					feedback = {
1043						target: {
1044							element: target,
1045							left: targetOffset.left,
1046							top: targetOffset.top,
1047							width: targetWidth,
1048							height: targetHeight
1049						},
1050						element: {
1051							element: elem,
1052							left: position.left,
1053							top: position.top,
1054							width: elemWidth,
1055							height: elemHeight
1056						},
1057						horizontal: right < 0 ? "left" : left > 0 ? "right" : "center",
1058						vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle"
1059					};
1060				if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) {
1061					feedback.horizontal = "center";
1062				}
1063				if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) {
1064					feedback.vertical = "middle";
1065				}
1066				if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) {
1067					feedback.important = "horizontal";
1068				} else {
1069					feedback.important = "vertical";
1070				}
1071				options.using.call( this, props, feedback );
1072			};
1073		}
1074
1075		elem.offset( $.extend( position, { using: using } ) );
1076	} );
1077};
1078
1079$.ui.position = {
1080	fit: {
1081		left: function( position, data ) {
1082			var within = data.within,
1083				withinOffset = within.isWindow ? within.scrollLeft : within.offset.left,
1084				outerWidth = within.width,
1085				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
1086				overLeft = withinOffset - collisionPosLeft,
1087				overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset,
1088				newOverRight;
1089
1090			// Element is wider than within
1091			if ( data.collisionWidth > outerWidth ) {
1092
1093				// Element is initially over the left side of within
1094				if ( overLeft > 0 && overRight <= 0 ) {
1095					newOverRight = position.left + overLeft + data.collisionWidth - outerWidth -
1096						withinOffset;
1097					position.left += overLeft - newOverRight;
1098
1099				// Element is initially over right side of within
1100				} else if ( overRight > 0 && overLeft <= 0 ) {
1101					position.left = withinOffset;
1102
1103				// Element is initially over both left and right sides of within
1104				} else {
1105					if ( overLeft > overRight ) {
1106						position.left = withinOffset + outerWidth - data.collisionWidth;
1107					} else {
1108						position.left = withinOffset;
1109					}
1110				}
1111
1112			// Too far left -> align with left edge
1113			} else if ( overLeft > 0 ) {
1114				position.left += overLeft;
1115
1116			// Too far right -> align with right edge
1117			} else if ( overRight > 0 ) {
1118				position.left -= overRight;
1119
1120			// Adjust based on position and margin
1121			} else {
1122				position.left = max( position.left - collisionPosLeft, position.left );
1123			}
1124		},
1125		top: function( position, data ) {
1126			var within = data.within,
1127				withinOffset = within.isWindow ? within.scrollTop : within.offset.top,
1128				outerHeight = data.within.height,
1129				collisionPosTop = position.top - data.collisionPosition.marginTop,
1130				overTop = withinOffset - collisionPosTop,
1131				overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset,
1132				newOverBottom;
1133
1134			// Element is taller than within
1135			if ( data.collisionHeight > outerHeight ) {
1136
1137				// Element is initially over the top of within
1138				if ( overTop > 0 && overBottom <= 0 ) {
1139					newOverBottom = position.top + overTop + data.collisionHeight - outerHeight -
1140						withinOffset;
1141					position.top += overTop - newOverBottom;
1142
1143				// Element is initially over bottom of within
1144				} else if ( overBottom > 0 && overTop <= 0 ) {
1145					position.top = withinOffset;
1146
1147				// Element is initially over both top and bottom of within
1148				} else {
1149					if ( overTop > overBottom ) {
1150						position.top = withinOffset + outerHeight - data.collisionHeight;
1151					} else {
1152						position.top = withinOffset;
1153					}
1154				}
1155
1156			// Too far up -> align with top
1157			} else if ( overTop > 0 ) {
1158				position.top += overTop;
1159
1160			// Too far down -> align with bottom edge
1161			} else if ( overBottom > 0 ) {
1162				position.top -= overBottom;
1163
1164			// Adjust based on position and margin
1165			} else {
1166				position.top = max( position.top - collisionPosTop, position.top );
1167			}
1168		}
1169	},
1170	flip: {
1171		left: function( position, data ) {
1172			var within = data.within,
1173				withinOffset = within.offset.left + within.scrollLeft,
1174				outerWidth = within.width,
1175				offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left,
1176				collisionPosLeft = position.left - data.collisionPosition.marginLeft,
1177				overLeft = collisionPosLeft - offsetLeft,
1178				overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft,
1179				myOffset = data.my[ 0 ] === "left" ?
1180					-data.elemWidth :
1181					data.my[ 0 ] === "right" ?
1182						data.elemWidth :
1183						0,
1184				atOffset = data.at[ 0 ] === "left" ?
1185					data.targetWidth :
1186					data.at[ 0 ] === "right" ?
1187						-data.targetWidth :
1188						0,
1189				offset = -2 * data.offset[ 0 ],
1190				newOverRight,
1191				newOverLeft;
1192
1193			if ( overLeft < 0 ) {
1194				newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth -
1195					outerWidth - withinOffset;
1196				if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) {
1197					position.left += myOffset + atOffset + offset;
1198				}
1199			} else if ( overRight > 0 ) {
1200				newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset +
1201					atOffset + offset - offsetLeft;
1202				if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) {
1203					position.left += myOffset + atOffset + offset;
1204				}
1205			}
1206		},
1207		top: function( position, data ) {
1208			var within = data.within,
1209				withinOffset = within.offset.top + within.scrollTop,
1210				outerHeight = within.height,
1211				offsetTop = within.isWindow ? within.scrollTop : within.offset.top,
1212				collisionPosTop = position.top - data.collisionPosition.marginTop,
1213				overTop = collisionPosTop - offsetTop,
1214				overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop,
1215				top = data.my[ 1 ] === "top",
1216				myOffset = top ?
1217					-data.elemHeight :
1218					data.my[ 1 ] === "bottom" ?
1219						data.elemHeight :
1220						0,
1221				atOffset = data.at[ 1 ] === "top" ?
1222					data.targetHeight :
1223					data.at[ 1 ] === "bottom" ?
1224						-data.targetHeight :
1225						0,
1226				offset = -2 * data.offset[ 1 ],
1227				newOverTop,
1228				newOverBottom;
1229			if ( overTop < 0 ) {
1230				newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight -
1231					outerHeight - withinOffset;
1232				if ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) {
1233					position.top += myOffset + atOffset + offset;
1234				}
1235			} else if ( overBottom > 0 ) {
1236				newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset +
1237					offset - offsetTop;
1238				if ( newOverTop > 0 || abs( newOverTop ) < overBottom ) {
1239					position.top += myOffset + atOffset + offset;
1240				}
1241			}
1242		}
1243	},
1244	flipfit: {
1245		left: function() {
1246			$.ui.position.flip.left.apply( this, arguments );
1247			$.ui.position.fit.left.apply( this, arguments );
1248		},
1249		top: function() {
1250			$.ui.position.flip.top.apply( this, arguments );
1251			$.ui.position.fit.top.apply( this, arguments );
1252		}
1253	}
1254};
1255
1256} )();
1257
1258var position = $.ui.position;
1259
1260
1261/*!
1262 * jQuery UI :data 1.1

1271//>>group: Core
1272//>>description: Selects elements which have data stored under the specified key.
1273//>>docs: http://api.jqueryui.com/data-selector/
1274
1275
1276var data = $.extend( $.expr.pseudos, {
1277	data: $.expr.createPseudo ?
1278		$.expr.createPseudo( function( dataName ) {
1279			return function( elem ) {
1280				return !!$.data( elem, dataName );
1281			};
1282		} ) :
1283
1284		// Support: jQuery <1.8
1285		function( elem, i, match ) {
1286			return !!$.data( elem, match[ 3 ] );
1287		}
1288} );
1289
1290/*!
1291 * jQuery UI Disable Selection 1.13.0
1292 * http://jqueryui.com
1293 *
1294 * Copyright jQuery Foundation and other contributors
1295 * Released under the MIT license.
1296 * http://jquery.org/license
1297 */
1298
1299//>>label: disableSelection
1300//>>group: Core
1301//>>description: Disable selection of text content within the set of matched elements.
1302//>>docs: http://api.jqueryui.com/disableSelection/
1303
1304// This file is deprecated
1305
1306var disableSelection = $.fn.extend( {
1307	disableSelection: ( function() {
1308		var eventType = "onselectstart" in document.createElement( "div" ) ?
1309			"selectstart" :
1310			"mousedown";
1311
1312		return function() {
1313			return this.on( eventType + ".ui-disableSelection", function( event ) {
1314				event.preventDefault();
1315			} );
1316		};
1317	} )(),
1318
1319	enableSelection: function() {
1320		return this.off( ".ui-disableSelection" );
1321	}
1322} );
1323
1324
1325/*!
1326 * jQuery UI Focusable 1.13.0
1327 * http://jqueryui.com
1328 *
1329 * Copyright jQuery Foundation and other contributors
1330 * Released under the MIT license.
1331 * http://jquery.org/license
1332 */
1333
1334//>>label: :focusable Selector
1335//>>group: Core
1336//>>description: Selects elements which can be focused.
1337//>>docs: http://api.jqueryui.com/focusable-selector/
1338
1339
1340// Selectors
1341$.ui.focusable = function( element, hasTabindex ) {
1342	var map, mapName, img, focusableIfVisible, fieldset,
1343		nodeName = element.nodeName.toLowerCase();
1344
1345	if ( "area" === nodeName ) {
1346		map = element.parentNode;
1347		mapName = map.name;
1348		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
1349			return false;
1350		}
1351		img = $( "img[usemap='#" + mapName + "']" );
1352		return img.length > 0 && img.is( ":visible" );
1353	}
1354
1355	if ( /^(input|select|textarea|button|object)$/.test( nodeName ) ) {
1356		focusableIfVisible = !element.disabled;
1357
1358		if ( focusableIfVisible ) {
1359
1360			// Form controls within a disabled fieldset are disabled.
1361			// However, controls within the fieldset's legend do not get disabled.
1362			// Since controls generally aren't placed inside legends, we skip
1363			// this portion of the check.
1364			fieldset = $( element ).closest( "fieldset" )[ 0 ];
1365			if ( fieldset ) {
1366				focusableIfVisible = !fieldset.disabled;
1367			}
1368		}
1369	} else if ( "a" === nodeName ) {
1370		focusableIfVisible = element.href || hasTabindex;
1371	} else {
1372		focusableIfVisible = hasTabindex;
1373	}
1374
1375	return focusableIfVisible && $( element ).is( ":visible" ) && visible( $( element ) );
1376};
1377
1378// Support: IE 8 only
1379// IE 8 doesn't resolve inherit to visible/hidden for computed values
1380function visible( element ) {
1381	var visibility = element.css( "visibility" );
1382	while ( visibility === "inherit" ) {
1383		element = element.parent();
1384		visibility = element.css( "visibility" );
1385	}
1386	return visibility === "visible";
1387}
1388
1389$.extend( $.expr.pseudos, {
1390	focusable: function( element ) {
1391		return $.ui.focusable( element, $.attr( element, "tabindex" ) != null );
1392	}
1393} );
1394
1395var focusable = $.ui.focusable;
1396
1397
1398
1399// Support: IE8 Only
1400// IE8 does not support the form attribute and when it is supplied. It overwrites the form prop
1401// with a string, so we need to find the proper form.
1402var form = $.fn._form = function() {
1403	return typeof this[ 0 ].form === "string" ? this.closest( "form" ) : $( this[ 0 ].form );
1404};
1405
1406
1407/*!
1408 * jQuery UI Form Reset Mixin 1.13.0
1409 * http://jqueryui.com
1410 *
1411 * Copyright jQuery Foundation and other contributors
1412 * Released under the MIT license.
1413 * http://jquery.org/license
1414 */
1415
1416//>>label: Form Reset Mixin
1417//>>group: Core
1418//>>description: Refresh input widgets when their form is reset
1419//>>docs: http://api.jqueryui.com/form-reset-mixin/
1420
1421
1422var formResetMixin = $.ui.formResetMixin = {
1423	_formResetHandler: function() {
1424		var form = $( this );
1425
1426		// Wait for the form reset to actually happen before refreshing
1427		setTimeout( function() {
1428			var instances = form.data( "ui-form-reset-instances" );
1429			$.each( instances, function() {
1430				this.refresh();
1431			} );
1432		} );
1433	},
1434
1435	_bindFormResetHandler: function() {
1436		this.form = this.element._form();
1437		if ( !this.form.length ) {
1438			return;
1439		}
1440
1441		var instances = this.form.data( "ui-form-reset-instances" ) || [];
1442		if ( !instances.length ) {
1443
1444			// We don't use _on() here because we use a single event handler per form
1445			this.form.on( "reset.ui-form-reset", this._formResetHandler );
1446		}
1447		instances.push( this );
1448		this.form.data( "ui-form-reset-instances", instances );
1449	},
1450
1451	_unbindFormResetHandler: function() {
1452		if ( !this.form.length ) {
1453			return;
1454		}
1455
1456		var instances = this.form.data( "ui-form-reset-instances" );
1457		instances.splice( $.inArray( this, instances ), 1 );
1458		if ( instances.length ) {
1459			this.form.data( "ui-form-reset-instances", instances );
1460		} else {
1461			this.form
1462				.removeData( "ui-form-reset-instances" )
1463				.off( "reset.ui-form-reset" );
1464		}
1465	}
1466};
1467
1468
1469/*!
1470 * jQuery UI Support for jQuery core 1.8.x and newer 1.13.0
1471 * http://jqueryui.com
1472 *
1473 * Copyright jQuery Foundation and other contributors
1474 * Released under the MIT license.
1475 * http://jquery.org/license
1476 *
1477 */
1478
1479//>>label: jQuery 1.8+ Support
1480//>>group: Core
1481//>>description: Support version 1.8.x and newer of jQuery core
1482
1483
1484// Support: jQuery 1.9.x or older
1485// $.expr[ ":" ] is deprecated.
1486if ( !$.expr.pseudos ) {
1487	$.expr.pseudos = $.expr[ ":" ];
1488}
1489
1490// Support: jQuery 1.11.x or older
1491// $.unique has been renamed to $.uniqueSort
1492if ( !$.uniqueSort ) {
1493	$.uniqueSort = $.unique;
1494}
1495
1496// Support: jQuery 2.2.x or older.
1497// This method has been defined in jQuery 3.0.0.
1498// Code from https://github.com/jquery/jquery/blob/e539bac79e666bba95bba86d690b4e609dca2286/src/selector/escapeSelector.js
1499if ( !$.escapeSelector ) {
1500
1501	// CSS string/identifier serialization
1502	// https://drafts.csswg.org/cssom/#common-serializing-idioms
1503	var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g;
1504
1505	var fcssescape = function( ch, asCodePoint ) {
1506		if ( asCodePoint ) {
1507
1508			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
1509			if ( ch === "\0" ) {
1510				return "\uFFFD";
1511			}
1512
1513			// Control characters and (dependent upon position) numbers get escaped as code points
1514			return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
1515		}
1516
1517		// Other potentially-special ASCII characters get backslash-escaped
1518		return "\\" + ch;
1519	};
1520
1521	$.escapeSelector = function( sel ) {
1522		return ( sel + "" ).replace( rcssescape, fcssescape );
1523	};
1524}
1525
1526// Support: jQuery 3.4.x or older
1527// These methods have been defined in jQuery 3.5.0.
1528if ( !$.fn.even || !$.fn.odd ) {
1529	$.fn.extend( {
1530		even: function() {
1531			return this.filter( function( i ) {
1532				return i % 2 === 0;
1533			} );
1534		},
1535		odd: function() {
1536			return this.filter( function( i ) {
1537				return i % 2 === 1;
1538			} );
1539		}
1540	} );
1541}
1542
1543;
1544/*!
1545 * jQuery UI Keycode 1.13.0
1546 * http://jqueryui.com
1547 *
1548 * Copyright jQuery Foundation and other contributors
1549 * Released under the MIT license.
1550 * http://jquery.org/license
1551 */
1552
1553//>>label: Keycode
1554//>>group: Core
1555//>>description: Provide keycodes as keynames
1556//>>docs: http://api.jqueryui.com/jQuery.ui.keyCode/
1557
1558
1559var keycode = $.ui.keyCode = {
1560	BACKSPACE: 8,
1561	COMMA: 188,
1562	DELETE: 46,
1563	DOWN: 40,
1564	END: 35,
1565	ENTER: 13,
1566	ESCAPE: 27,
1567	HOME: 36,
1568	LEFT: 37,
1569	PAGE_DOWN: 34,
1570	PAGE_UP: 33,
1571	PERIOD: 190,
1572	RIGHT: 39,
1573	SPACE: 32,
1574	TAB: 9,
1575	UP: 38
1576};
1577
1578
1579/*!
1580 * jQuery UI Labels 1.13.0
1581 * http://jqueryui.com
1582 *
1583 * Copyright jQuery Foundation and other contributors
1584 * Released under the MIT license.
1585 * http://jquery.org/license
1586 */
1587
1588//>>label: labels
1589//>>group: Core
1590//>>description: Find all the labels associated with a given input
1591//>>docs: http://api.jqueryui.com/labels/
1592
1593
1594var labels = $.fn.labels = function() {
1595	var ancestor, selector, id, labels, ancestors;
1596
1597	if ( !this.length ) {
1598		return this.pushStack( [] );
1599	}
1600
1601	// Check control.labels first
1602	if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
1603		return this.pushStack( this[ 0 ].labels );
1604	}
1605
1606	// Support: IE <= 11, FF <= 37, Android <= 2.3 only
1607	// Above browsers do not support control.labels. Everything below is to support them
1608	// as well as document fragments. control.labels does not work on document fragments
1609	labels = this.eq( 0 ).parents( "label" );
1610
1611	// Look for the label based on the id
1612	id = this.attr( "id" );
1613	if ( id ) {
1614
1615		// We don't search against the document in case the element
1616		// is disconnected from the DOM
1617		ancestor = this.eq( 0 ).parents().last();
1618
1619		// Get a full set of top level ancestors
1620		ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );
1621
1622		// Create a selector for the label based on the id
1623		selector = "label[for='" + $.escapeSelector( id ) + "']";
1624
1625		labels = labels.add( ancestors.find( selector ).addBack( selector ) );
1626
1627	}
1628
1629	// Return whatever we have found for labels
1630	return this.pushStack( labels );
1631};
1632
1633
1634/*!
1635 * jQuery UI Scroll Parent 1.13.0
1636 * http://jqueryui.com
1637 *
1638 * Copyright jQuery Foundation and other contributors
1639 * Released under the MIT license.
1640 * http://jquery.org/license
1641 */
1642
1643//>>label: scrollParent
1644//>>group: Core
1645//>>description: Get the closest ancestor element that is scrollable.
1646//>>docs: http://api.jqueryui.com/scrollParent/
1647
1648
1649var scrollParent = $.fn.scrollParent = function( includeHidden ) {
1650	var position = this.css( "position" ),
1651		excludeStaticParent = position === "absolute",
1652		overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
1653		scrollParent = this.parents().filter( function() {
1654			var parent = $( this );
1655			if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
1656				return false;
1657			}
1658			return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) +
1659				parent.css( "overflow-x" ) );
1660		} ).eq( 0 );
1661
1662	return position === "fixed" || !scrollParent.length ?
1663		$( this[ 0 ].ownerDocument || document ) :
1664		scrollParent;
1665};
1666
1667
1668/*!
1669 * jQuery UI Tabbable 1.13.0
1670 * http://jqueryui.com
1671 *
1672 * Copyright jQuery Foundation and other contributors
1673 * Released under the MIT license.
1674 * http://jquery.org/license
1675 */
1676
1677//>>label: :tabbable Selector
1678//>>group: Core
1679//>>description: Selects elements which can be tabbed to.
1680//>>docs: http://api.jqueryui.com/tabbable-selector/
1681
1682
1683var tabbable = $.extend( $.expr.pseudos, {
1684	tabbable: function( element ) {
1685		var tabIndex = $.attr( element, "tabindex" ),
1686			hasTabindex = tabIndex != null;
1687		return ( !hasTabindex || tabIndex >= 0 ) && $.ui.focusable( element, hasTabindex );
1688	}
1689} );
1690
1691
1692/*!
1693 * jQuery UI Unique ID 1.13.0
1694 * http://jqueryui.com
1695 *
1696 * Copyright jQuery Foundation and other contributors
1697 * Released under the MIT license.
1698 * http://jquery.org/license
1699 */
1700
1701//>>label: uniqueId
1702//>>group: Core
1703//>>description: Functions to generate and remove uniqueId's
1704//>>docs: http://api.jqueryui.com/uniqueId/
1705
1706
1707var uniqueId = $.fn.extend( {
1708	uniqueId: ( function() {
1709		var uuid = 0;
1710
1711		return function() {
1712			return this.each( function() {
1713				if ( !this.id ) {
1714					this.id = "ui-id-" + ( ++uuid );
1715				}
1716			} );
1717		};
1718	} )(),
1719
1720	removeUniqueId: function() {
1721		return this.each( function() {
1722			if ( /^ui-id-\d+$/.test( this.id ) ) {
1723				$( this ).removeAttr( "id" );
1724			}
1725		} );
1726	}
1727} );
1728
1729
1730
1731// This file is deprecated
1732var ie = $.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );
1733
1734/*!
1735 * jQuery UI Mouse 1.13.0
1736 * http://jqueryui.com
1737 *
1738 * Copyright jQuery Foundation and other contributors
1739 * Released under the MIT license.
1740 * http://jquery.org/license
1741 */
1742
1743//>>label: Mouse
1744//>>group: Widgets
1745//>>description: Abstracts mouse-based interactions to assist in creating certain widgets.
1746//>>docs: http://api.jqueryui.com/mouse/
1747
1748
1749var mouseHandled = false;
1750$( document ).on( "mouseup", function() {
1751	mouseHandled = false;
1752} );
1753
1754var widgetsMouse = $.widget( "ui.mouse", {
1755	version: "1.13.0",
1756	options: {
1757		cancel: "input, textarea, button, select, option",
1758		distance: 1,
1759		delay: 0
1760	},
1761	_mouseInit: function() {
1762		var that = this;
1763
1764		this.element
1765			.on( "mousedown." + this.widgetName, function( event ) {
1766				return that._mouseDown( event );
1767			} )
1768			.on( "click." + this.widgetName, function( event ) {
1769				if ( true === $.data( event.target, that.widgetName + ".preventClickEvent" ) ) {
1770					$.removeData( event.target, that.widgetName + ".preventClickEvent" );
1771					event.stopImmediatePropagation();
1772					return false;
1773				}
1774			} );
1775
1776		this.started = false;
1777	},
1778
1779	// TODO: make sure destroying one instance of mouse doesn't mess with
1780	// other instances of mouse
1781	_mouseDestroy: function() {
1782		this.element.off( "." + this.widgetName );
1783		if ( this._mouseMoveDelegate ) {
1784			this.document
1785				.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1786				.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
1787		}
1788	},
1789
1790	_mouseDown: function( event ) {
1791
1792		// don't let more than one widget handle mouseStart
1793		if ( mouseHandled ) {
1794			return;
1795		}
1796
1797		this._mouseMoved = false;
1798
1799		// We may have missed mouseup (out of window)
1800		if ( this._mouseStarted ) {
1801			this._mouseUp( event );
1802		}
1803
1804		this._mouseDownEvent = event;
1805
1806		var that = this,
1807			btnIsLeft = ( event.which === 1 ),
1808
1809			// event.target.nodeName works around a bug in IE 8 with
1810			// disabled inputs (#7620)
1811			elIsCancel = ( typeof this.options.cancel === "string" && event.target.nodeName ?
1812				$( event.target ).closest( this.options.cancel ).length : false );
1813		if ( !btnIsLeft || elIsCancel || !this._mouseCapture( event ) ) {
1814			return true;
1815		}
1816
1817		this.mouseDelayMet = !this.options.delay;
1818		if ( !this.mouseDelayMet ) {
1819			this._mouseDelayTimer = setTimeout( function() {
1820				that.mouseDelayMet = true;
1821			}, this.options.delay );
1822		}
1823
1824		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
1825			this._mouseStarted = ( this._mouseStart( event ) !== false );
1826			if ( !this._mouseStarted ) {
1827				event.preventDefault();
1828				return true;
1829			}
1830		}
1831
1832		// Click event may never have fired (Gecko & Opera)
1833		if ( true === $.data( event.target, this.widgetName + ".preventClickEvent" ) ) {
1834			$.removeData( event.target, this.widgetName + ".preventClickEvent" );
1835		}
1836
1837		// These delegates are required to keep context
1838		this._mouseMoveDelegate = function( event ) {
1839			return that._mouseMove( event );
1840		};
1841		this._mouseUpDelegate = function( event ) {
1842			return that._mouseUp( event );
1843		};
1844
1845		this.document
1846			.on( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1847			.on( "mouseup." + this.widgetName, this._mouseUpDelegate );
1848
1849		event.preventDefault();
1850
1851		mouseHandled = true;
1852		return true;
1853	},
1854
1855	_mouseMove: function( event ) {
1856
1857		// Only check for mouseups outside the document if you've moved inside the document
1858		// at least once. This prevents the firing of mouseup in the case of IE<9, which will
1859		// fire a mousemove event if content is placed under the cursor. See #7778
1860		// Support: IE <9
1861		if ( this._mouseMoved ) {
1862
1863			// IE mouseup check - mouseup happened when mouse was out of window
1864			if ( $.ui.ie && ( !document.documentMode || document.documentMode < 9 ) &&
1865					!event.button ) {
1866				return this._mouseUp( event );
1867
1868			// Iframe mouseup check - mouseup occurred in another document
1869			} else if ( !event.which ) {
1870
1871				// Support: Safari <=8 - 9
1872				// Safari sets which to 0 if you press any of the following keys
1873				// during a drag (#14461)
1874				if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
1875						event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
1876					this.ignoreMissingWhich = true;
1877				} else if ( !this.ignoreMissingWhich ) {
1878					return this._mouseUp( event );
1879				}
1880			}
1881		}
1882
1883		if ( event.which || event.button ) {
1884			this._mouseMoved = true;
1885		}
1886
1887		if ( this._mouseStarted ) {
1888			this._mouseDrag( event );
1889			return event.preventDefault();
1890		}
1891
1892		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
1893			this._mouseStarted =
1894				( this._mouseStart( this._mouseDownEvent, event ) !== false );
1895			if ( this._mouseStarted ) {
1896				this._mouseDrag( event );
1897			} else {
1898				this._mouseUp( event );
1899			}
1900		}
1901
1902		return !this._mouseStarted;
1903	},
1904
1905	_mouseUp: function( event ) {
1906		this.document
1907			.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1908			.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
1909
1910		if ( this._mouseStarted ) {
1911			this._mouseStarted = false;
1912
1913			if ( event.target === this._mouseDownEvent.target ) {
1914				$.data( event.target, this.widgetName + ".preventClickEvent", true );
1915			}
1916
1917			this._mouseStop( event );
1918		}
1919
1920		if ( this._mouseDelayTimer ) {
1921			clearTimeout( this._mouseDelayTimer );
1922			delete this._mouseDelayTimer;
1923		}
1924
1925		this.ignoreMissingWhich = false;
1926		mouseHandled = false;
1927		event.preventDefault();
1928	},
1929
1930	_mouseDistanceMet: function( event ) {
1931		return ( Math.max(
1932				Math.abs( this._mouseDownEvent.pageX - event.pageX ),
1933				Math.abs( this._mouseDownEvent.pageY - event.pageY )
1934			) >= this.options.distance
1935		);
1936	},
1937
1938	_mouseDelayMet: function( /* event */ ) {
1939		return this.mouseDelayMet;
1940	},
1941
1942	// These are placeholder methods, to be overriden by extending plugin
1943	_mouseStart: function( /* event */ ) {},
1944	_mouseDrag: function( /* event */ ) {},
1945	_mouseStop: function( /* event */ ) {},
1946	_mouseCapture: function( /* event */ ) {
1947		return true;
1948	}
1949} );
1950
1951
1952
1953// $.ui.plugin is deprecated. Use $.widget() extensions instead.
1954var plugin = $.ui.plugin = {
1955	add: function( module, option, set ) {
1956		var i,
1957			proto = $.ui[ module ].prototype;
1958		for ( i in set ) {
1959			proto.plugins[ i ] = proto.plugins[ i ] || [];
1960			proto.plugins[ i ].push( [ option, set[ i ] ] );
1961		}
1962	},
1963	call: function( instance, name, args, allowDisconnected ) {
1964		var i,
1965			set = instance.plugins[ name ];
1966
1967		if ( !set ) {
1968			return;
1969		}
1970
1971		if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode ||
1972				instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
1973			return;
1974		}
1975
1976		for ( i = 0; i < set.length; i++ ) {
1977			if ( instance.options[ set[ i ][ 0 ] ] ) {
1978				set[ i ][ 1 ].apply( instance.element, args );
1979			}
1980		}
1981	}
1982};
1983
1984
1985
1986var safeActiveElement = $.ui.safeActiveElement = function( document ) {
1987	var activeElement;
1988
1989	// Support: IE 9 only
1990	// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
1991	try {
1992		activeElement = document.activeElement;
1993	} catch ( error ) {
1994		activeElement = document.body;
1995	}
1996
1997	// Support: IE 9 - 11 only
1998	// IE may return null instead of an element
1999	// Interestingly, this only seems to occur when NOT in an iframe
2000	if ( !activeElement ) {
2001		activeElement = document.body;
2002	}
2003
2004	// Support: IE 11 only
2005	// IE11 returns a seemingly empty object in some cases when accessing
2006	// document.activeElement from an <iframe>
2007	if ( !activeElement.nodeName ) {
2008		activeElement = document.body;
2009	}
2010
2011	return activeElement;
2012};
2013
2014
2015
2016var safeBlur = $.ui.safeBlur = function( element ) {
2017
2018	// Support: IE9 - 10 only
2019	// If the <body> is blurred, IE will switch windows, see #9420
2020	if ( element && element.nodeName.toLowerCase() !== "body" ) {
2021		$( element ).trigger( "blur" );
2022	}
2023};
2024
2025
2026/*!
2027 * jQuery UI Draggable 1.13.0
2028 * http://jqueryui.com
2029 *
2030 * Copyright jQuery Foundation and other contributors
2031 * Released under the MIT license.
2032 * http://jquery.org/license
2033 */
2034
2035//>>label: Draggable
2036//>>group: Interactions
2037//>>description: Enables dragging functionality for any element.
2038//>>docs: http://api.jqueryui.com/draggable/
2039//>>demos: http://jqueryui.com/draggable/
2040//>>css.structure: ../../themes/base/draggable.css
2041
2042
2043$.widget( "ui.draggable", $.ui.mouse, {
2044	version: "1.13.0",
2045	widgetEventPrefix: "drag",
2046	options: {
2047		addClasses: true,
2048		appendTo: "parent",
2049		axis: false,
2050		connectToSortable: false,
2051		containment: false,
2052		cursor: "auto",
2053		cursorAt: false,
2054		grid: false,
2055		handle: false,
2056		helper: "original",
2057		iframeFix: false,
2058		opacity: false,
2059		refreshPositions: false,
2060		revert: false,
2061		revertDuration: 500,
2062		scope: "default",
2063		scroll: true,
2064		scrollSensitivity: 20,
2065		scrollSpeed: 20,
2066		snap: false,
2067		snapMode: "both",
2068		snapTolerance: 20,
2069		stack: false,
2070		zIndex: false,
2071
2072		// Callbacks
2073		drag: null,
2074		start: null,
2075		stop: null
2076	},
2077	_create: function() {
2078
2079		if ( this.options.helper === "original" ) {
2080			this._setPositionRelative();
2081		}
2082		if ( this.options.addClasses ) {
2083			this._addClass( "ui-draggable" );
2084		}
2085		this._setHandleClassName();
2086
2087		this._mouseInit();
2088	},
2089
2090	_setOption: function( key, value ) {
2091		this._super( key, value );
2092		if ( key === "handle" ) {
2093			this._removeHandleClassName();
2094			this._setHandleClassName();
2095		}
2096	},
2097
2098	_destroy: function() {
2099		if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
2100			this.destroyOnClear = true;
2101			return;
2102		}
2103		this._removeHandleClassName();
2104		this._mouseDestroy();
2105	},
2106
2107	_mouseCapture: function( event ) {
2108		var o = this.options;
2109
2110		// Among others, prevent a drag on a resizable-handle
2111		if ( this.helper || o.disabled ||
2112				$( event.target ).closest( ".ui-resizable-handle" ).length > 0 ) {
2113			return false;
2114		}
2115
2116		//Quit if we're not on a valid handle
2117		this.handle = this._getHandle( event );
2118		if ( !this.handle ) {
2119			return false;
2120		}
2121
2122		this._blurActiveElement( event );
2123
2124		this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );
2125
2126		return true;
2127
2128	},
2129
2130	_blockFrames: function( selector ) {
2131		this.iframeBlocks = this.document.find( selector ).map( function() {
2132			var iframe = $( this );
2133
2134			return $( "<div>" )
2135				.css( "position", "absolute" )
2136				.appendTo( iframe.parent() )
2137				.outerWidth( iframe.outerWidth() )
2138				.outerHeight( iframe.outerHeight() )
2139				.offset( iframe.offset() )[ 0 ];
2140		} );
2141	},
2142
2143	_unblockFrames: function() {
2144		if ( this.iframeBlocks ) {
2145			this.iframeBlocks.remove();
2146			delete this.iframeBlocks;
2147		}
2148	},
2149
2150	_blurActiveElement: function( event ) {
2151		var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
2152			target = $( event.target );
2153
2154		// Don't blur if the event occurred on an element that is within
2155		// the currently focused element
2156		// See #10527, #12472
2157		if ( target.closest( activeElement ).length ) {
2158			return;
2159		}
2160
2161		// Blur any element that currently has focus, see #4261
2162		$.ui.safeBlur( activeElement );
2163	},
2164
2165	_mouseStart: function( event ) {
2166
2167		var o = this.options;
2168
2169		//Create and append the visible helper
2170		this.helper = this._createHelper( event );
2171
2172		this._addClass( this.helper, "ui-draggable-dragging" );
2173
2174		//Cache the helper size
2175		this._cacheHelperProportions();
2176
2177		//If ddmanager is used for droppables, set the global draggable
2178		if ( $.ui.ddmanager ) {
2179			$.ui.ddmanager.current = this;
2180		}
2181
2182		/*
2183		 * - Position generation -
2184		 * This block generates everything position related - it's the core of draggables.
2185		 */
2186
2187		//Cache the margins of the original element
2188		this._cacheMargins();
2189
2190		//Store the helper's css position
2191		this.cssPosition = this.helper.css( "position" );
2192		this.scrollParent = this.helper.scrollParent( true );
2193		this.offsetParent = this.helper.offsetParent();
2194		this.hasFixedAncestor = this.helper.parents().filter( function() {
2195				return $( this ).css( "position" ) === "fixed";
2196			} ).length > 0;
2197
2198		//The element's absolute position on the page minus margins
2199		this.positionAbs = this.element.offset();
2200		this._refreshOffsets( event );
2201
2202		//Generate the original position
2203		this.originalPosition = this.position = this._generatePosition( event, false );
2204		this.originalPageX = event.pageX;
2205		this.originalPageY = event.pageY;
2206
2207		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
2208		if ( o.cursorAt ) {
2209			this._adjustOffsetFromHelper( o.cursorAt );
2210		}
2211
2212		//Set a containment if given in the options
2213		this._setContainment();
2214
2215		//Trigger event + callbacks
2216		if ( this._trigger( "start", event ) === false ) {
2217			this._clear();
2218			return false;
2219		}
2220
2221		//Recache the helper size
2222		this._cacheHelperProportions();
2223
2224		//Prepare the droppable offsets
2225		if ( $.ui.ddmanager && !o.dropBehaviour ) {
2226			$.ui.ddmanager.prepareOffsets( this, event );
2227		}
2228
2229		// Execute the drag once - this causes the helper not to be visible before getting its
2230		// correct position
2231		this._mouseDrag( event, true );
2232
2233		// If the ddmanager is used for droppables, inform the manager that dragging has started
2234		// (see #5003)
2235		if ( $.ui.ddmanager ) {
2236			$.ui.ddmanager.dragStart( this, event );
2237		}
2238
2239		return true;
2240	},
2241
2242	_refreshOffsets: function( event ) {
2243		this.offset = {
2244			top: this.positionAbs.top - this.margins.top,
2245			left: this.positionAbs.left - this.margins.left,
2246			scroll: false,
2247			parent: this._getParentOffset(),
2248			relative: this._getRelativeOffset()
2249		};
2250
2251		this.offset.click = {
2252			left: event.pageX - this.offset.left,
2253			top: event.pageY - this.offset.top
2254		};
2255	},
2256
2257	_mouseDrag: function( event, noPropagation ) {
2258
2259		// reset any necessary cached properties (see #5009)
2260		if ( this.hasFixedAncestor ) {
2261			this.offset.parent = this._getParentOffset();
2262		}
2263
2264		//Compute the helpers position
2265		this.position = this._generatePosition( event, true );
2266		this.positionAbs = this._convertPositionTo( "absolute" );
2267
2268		//Call plugins and callbacks and use the resulting position if something is returned
2269		if ( !noPropagation ) {
2270			var ui = this._uiHash();
2271			if ( this._trigger( "drag", event, ui ) === false ) {
2272				this._mouseUp( new $.Event( "mouseup", event ) );
2273				return false;

2274			}
2275			this.position = ui.position;
2276		}
2277
2278		this.helper[ 0 ].style.left = this.position.left + "px";
2279		this.helper[ 0 ].style.top = this.position.top + "px";
2280
2281		if ( $.ui.ddmanager ) {
2282			$.ui.ddmanager.drag( this, event );
2283		}
2284
2285		return false;
2286	},
2287
2288	_mouseStop: function( event ) {
2289
2290		//If we are using droppables, inform the manager about the drop
2291		var that = this,
2292			dropped = false;
2293		if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
2294			dropped = $.ui.ddmanager.drop( this, event );
2295		}
2296
2297		//if a drop comes from outside (a sortable)
2298		if ( this.dropped ) {
2299			dropped = this.dropped;
2300			this.dropped = false;
2301		}
2302
2303		if ( ( this.options.revert === "invalid" && !dropped ) ||
2304				( this.options.revert === "valid" && dropped ) ||
2305				this.options.revert === true || ( typeof this.options.revert === "function" &&
2306				this.options.revert.call( this.element, dropped ) )
2307		) {
2308			$( this.helper ).animate(
2309				this.originalPosition,
2310				parseInt( this.options.revertDuration, 10 ),
2311				function() {
2312					if ( that._trigger( "stop", event ) !== false ) {
2313						that._clear();
2314					}
2315				}
2316			);
2317		} else {
2318			if ( this._trigger( "stop", event ) !== false ) {
2319				this._clear();
2320			}
2321		}
2322
2323		return false;
2324	},
2325
2326	_mouseUp: function( event ) {
2327		this._unblockFrames();
2328
2329		// If the ddmanager is used for droppables, inform the manager that dragging has stopped
2330		// (see #5003)
2331		if ( $.ui.ddmanager ) {
2332			$.ui.ddmanager.dragStop( this, event );
2333		}
2334
2335		// Only need to focus if the event occurred on the draggable itself, see #10527
2336		if ( this.handleElement.is( event.target ) ) {
2337
2338			// The interaction is over; whether or not the click resulted in a drag,
2339			// focus the element
2340			this.element.trigger( "focus" );
2341		}
2342
2343		return $.ui.mouse.prototype._mouseUp.call( this, event );
2344	},
2345
2346	cancel: function() {
2347
2348		if ( this.helper.is( ".ui-draggable-dragging" ) ) {
2349			this._mouseUp( new $.Event( "mouseup", { target: this.element[ 0 ] } ) );
2350		} else {
2351			this._clear();
2352		}
2353
2354		return this;
2355
2356	},
2357
2358	_getHandle: function( event ) {
2359		return this.options.handle ?
2360			!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
2361			true;
2362	},
2363
2364	_setHandleClassName: function() {
2365		this.handleElement = this.options.handle ?
2366			this.element.find( this.options.handle ) : this.element;
2367		this._addClass( this.handleElement, "ui-draggable-handle" );
2368	},
2369
2370	_removeHandleClassName: function() {
2371		this._removeClass( this.handleElement, "ui-draggable-handle" );
2372	},
2373
2374	_createHelper: function( event ) {
2375
2376		var o = this.options,
2377			helperIsFunction = typeof o.helper === "function",
2378			helper = helperIsFunction ?
2379				$( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
2380				( o.helper === "clone" ?
2381					this.element.clone().removeAttr( "id" ) :
2382					this.element );
2383
2384		if ( !helper.parents( "body" ).length ) {
2385			helper.appendTo( ( o.appendTo === "parent" ?
2386				this.element[ 0 ].parentNode :
2387				o.appendTo ) );
2388		}
2389
2390		// Http

2390://bugs.jqueryui.com/ticket/9446
2391		// a helper function can return the original element
2392		// which wouldn't have been set to relative in _create
2393		if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
2394			this._setPositionRelative();
2395		}
2396
2397		if ( helper[ 0 ] !== this.element[ 0 ] &&
2398				!( /(fixed|absolute)/ ).test( helper.css( "position" ) ) ) {
2399			helper.css( "position", "absolute" );
2400		}
2401
2402		return helper;
2403
2404	},
2405
2406	_setPositionRelative: function() {
2407		if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
2408			this.element[ 0 ].style.position = "relative";
2409		}
2410	},
2411
2412	_adjustOffsetFromHelper: function( obj ) {
2413		if ( typeof obj === "string" ) {
2414			obj = obj.split( " " );
2415		}
2416		if ( Array.isArray( obj ) ) {
2417			obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
2418		}
2419		if ( "left" in obj ) {
2420			this.offset.click.left = obj.left + this.margins.left;
2421		}
2422		if ( "right" in obj ) {
2423			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
2424		}
2425		if ( "top" in obj ) {
2426			this.offset.click.top = obj.top + this.margins.top;
2427		}
2428		if ( "bottom" in obj ) {
2429			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
2430		}
2431	},
2432
2433	_isRootNode: function( element ) {
2434		return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
2435	},
2436
2437	_getParentOffset: function() {
2438
2439		//Get the offsetParent and cache its position
2440		var po = this.offsetParent.offset(),
2441			document = this.document[ 0 ];
2442
2443		// This is a special case where we need to modify a offset calculated on start, since the
2444		// following happened:
2445		// 1. The position of the helper is absolute, so it's position is calculated based on the
2446		// next positioned parent
2447		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
2448		// the document, which means that the scroll is included in the initial calculation of the
2449		// offset of the parent, and never recalculated upon drag
2450		if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== document &&
2451				$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
2452			po.left += this.scrollParent.scrollLeft();
2453			po.top += this.scrollParent.scrollTop();
2454		}
2455
2456		if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
2457			po = { top: 0, left: 0 };
2458		}
2459
2460		return {
2461			top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
2462			left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
2463		};
2464
2465	},
2466
2467	_getRelativeOffset: function() {
2468		if ( this.cssPosition !== "relative" ) {
2469			return { top: 0, left: 0 };
2470		}
2471
2472		var p = this.element.position(),
2473			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
2474
2475		return {
2476			top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
2477				( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
2478			left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
2479				( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
2480		};
2481
2482	},
2483
2484	_cacheMargins: function() {
2485		this.margins = {
2486			left: ( parseInt( this.element.css( "marginLeft" ), 10 ) || 0 ),
2487			top: ( parseInt( this.element.css( "marginTop" ), 10 ) || 0 ),
2488			right: ( parseInt( this.element.css( "marginRight" ), 10 ) || 0 ),
2489			bottom: ( parseInt( this.element.css( "marginBottom" ), 10 ) || 0 )
2490		};
2491	},
2492
2493	_cacheHelperProportions: function() {
2494		this.helperProportions = {
2495			width: this.helper.outerWidth(),
2496			height: this.helper.outerHeight()
2497		};
2498	},
2499
2500	_setContainment: function() {
2501
2502		var isUserScrollable, c, ce,
2503			o = this.options,
2504			document = this.document[ 0 ];
2505
2506		this.relativeContainer = null;
2507
2508		if ( !o.containment ) {
2509			this.containment = null;
2510			return;
2511		}
2512
2513		if ( o.containment === "window" ) {
2514			this.containment = [
2515				$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
2516				$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
2517				$( window ).scrollLeft() + $( window ).width() -
2518					this.helperProportions.width - this.margins.left,
2519				$( window ).scrollTop() +
2520					( $( window ).height() || document.body.parentNode.scrollHeight ) -
2521					this.helperProportions.height - this.margins.top
2522			];
2523			return;
2524		}
2525
2526		if ( o.containment === "document" ) {
2527			this.containment = [
2528				0,
2529				0,
2530				$( document ).width() - this.helperProportions.width - this.margins.left,
2531				( $( document ).height() || document.body.parentNode.scrollHeight ) -
2532					this.helperProportions.height - this.margins.top
2533			];
2534			return;
2535		}
2536
2537		if ( o.containment.constructor === Array ) {
2538			this.containment = o.containment;
2539			return;
2540		}
2541
2542		if ( o.containment === "parent" ) {
2543			o.containment = this.helper[ 0 ].parentNode;
2544		}
2545
2546		c = $( o.containment );
2547		ce = c[ 0 ];
2548
2549		if ( !ce ) {
2550			return;
2551		}
2552
2553		isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );
2554
2555		this.containment = [
2556			( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) +
2557				( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
2558			( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) +
2559				( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
2560			( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
2561				( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
2562				( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
2563				this.helperProportions.width -
2564				this.margins.left -
2565				this.margins.right,
2566			( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
2567				( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
2568				( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
2569				this.helperProportions.height -
2570				this.margins.top -
2571				this.margins.bottom
2572		];
2573		this.relativeContainer = c;
2574	},
2575
2576	_convertPositionTo: function( d, pos ) {
2577
2578		if ( !pos ) {
2579			pos = this.position;
2580		}
2581
2582		var mod = d === "absolute" ? 1 : -1,
2583			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
2584
2585		return {
2586			top: (
2587
2588				// The absolute mouse position
2589				pos.top	+
2590
2591				// Only for relative positioned nodes: Relative offset from element to offset parent
2592				this.offset.relative.top * mod +
2593
2594				// The offsetParent's offset without borders (offset + border)
2595				this.offset.parent.top * mod -
2596				( ( this.cssPosition === "fixed" ?
2597					-this.offset.scroll.top :
2598					( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod )
2599			),
2600			left: (
2601
2602				// The absolute mouse position
2603				pos.left +
2604
2605				// Only for relative positioned nodes: Relative offset from element to offset parent
2606				this.offset.relative.left * mod +
2607
2608				// The offsetParent's offset without borders (offset + border)
2609				this.offset.parent.left * mod	-
2610				( ( this.cssPosition === "fixed" ?
2611					-this.offset.scroll.left :
2612					( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod )
2613			)
2614		};
2615
2616	},
2617
2618	_generatePosition: function( event, constrainPosition ) {
2619
2620		var containment, co, top, left,
2621			o = this.options,
2622			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
2623			pageX = event.pageX,
2624			pageY = event.pageY;
2625
2626		// Cache the scroll
2627		if ( !scrollIsRootNode || !this.offset.scroll ) {
2628			this.offset.scroll = {
2629				top: this.scrollParent.scrollTop(),
2630				left: this.scrollParent.scrollLeft()
2631			};
2632		}
2633
2634		/*
2635		 * - Position constraining -
2636		 * Constrain the position to a mix of grid, containment.
2637		 */
2638
2639		// If we are not dragging yet, we won't check for options
2640		if ( constrainPosition ) {
2641			if ( this.containment ) {
2642				if ( this.relativeContainer ) {
2643					co = this.relativeContainer.offset();
2644					containment = [
2645						this.containment[ 0 ] + co.left,
2646						this.containment[ 1 ] + co.top,
2647						this.containment[ 2 ] + co.left,
2648						this.containment[ 3 ] + co.top
2649					];
2650				} else {
2651					containment = this.containment;
2652				}
2653
2654				if ( event.pageX - this.offset.click.left < containment[ 0 ] ) {
2655					pageX = containment[ 0 ] + this.offset.click.left;
2656				}
2657				if ( event.pageY - this.offset.click.top < containment[ 1 ] ) {
2658					pageY = containment[ 1 ] + this.offset.click.top;
2659				}
2660				if ( event.pageX - this.offset.click.left > containment[ 2 ] ) {
2661					pageX = containment[ 2 ] + this.offset.click.left;
2662				}
2663				if ( event.pageY - this.offset.click.top > containment[ 3 ] ) {
2664					pageY = containment[ 3 ] + this.offset.click.top;
2665				}
2666			}
2667
2668			if ( o.grid ) {
2669
2670				//Check for grid elements set to 0 to prevent divide by 0 error causing invalid
2671				// argument errors in IE (see ticket #6950)
2672				top = o.grid[ 1 ] ? this.originalPageY + Math.round( ( pageY -
2673					this.originalPageY ) / o.grid[ 1 ] ) * o.grid[ 1 ] : this.originalPageY;
2674				pageY = containment ? ( ( top - this.offset.click.top >= containment[ 1 ] ||
2675					top - this.offset.click.top > containment[ 3 ] ) ?
2676						top :
2677						( ( top - this.offset.click.top >= containment[ 1 ] ) ?
2678							top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : top;
2679
2680				left = o.grid[ 0 ] ? this.originalPageX +
2681					Math.round( ( pageX - this.originalPageX ) / o.grid[ 0 ] ) * o.grid[ 0 ] :
2682					this.originalPageX;
2683				pageX = containment ? ( ( left - this.offset.click.left >= containment[ 0 ] ||
2684					left - this.offset.click.left > containment[ 2 ] ) ?
2685						left :
2686						( ( left - this.offset.click.left >= containment[ 0 ] ) ?
2687							left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : left;
2688			}
2689
2690			if ( o.axis === "y" ) {
2691				pageX = this.originalPageX;
2692			}
2693
2694			if ( o.axis === "x" ) {
2695				pageY = this.originalPageY;
2696			}
2697		}
2698
2699		return {
2700			top: (
2701
2702				// The absolute mouse position
2703				pageY -
2704
2705				// Click offset (relative to the element)
2706				this.offset.click.top -
2707
2708				// Only for relative positioned nodes: Relative offset from element to offset parent
2709				this.offset.relative.top -
2710
2711				// The offsetParent's offset without borders (offset + border)
2712				this.offset.parent.top +
2713				( this.cssPosition === "fixed" ?
2714					-this.offset.scroll.top :
2715					( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
2716			),
2717			left: (
2718
2719				// The absolute mouse position
2720				pageX -
2721
2722				// Click offset (relative to the element)
2723				this.offset.click.left -
2724
2725				// Only for relative positioned nodes: Relative offset from element to offset parent
2726				this.offset.relative.left -
2727
2728				// The offsetParent's offset without borders (offset + border)
2729				this.offset.parent.left +
2730				( this.cssPosition === "fixed" ?
2731					-this.offset.scroll.left :
2732					( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
2733			)
2734		};
2735
2736	},
2737
2738	_clear: function() {
2739		this._removeClass( this.helper, "ui-draggable-dragging" );
2740		if ( this.helper[ 0 ] !== this.element[ 0 ] && !this.cancelHelperRemoval ) {
2741			this.helper.remove();
2742		}
2743		this.helper = null;
2744		this.cancelHelperRemoval = false;
2745		if ( this.destroyOnClear ) {
2746			this.destroy();
2747		}
2748	},
2749
2750	// From now on bulk stuff - mainly helpers
2751
2752	_trigger: function( type, event, ui ) {
2753		ui = ui || this._uiHash();
2754		$.ui.plugin.call( this, type, [ event, ui, this ], true );
2755
2756		// Absolute position and offset (see #6884 ) have to be recalculated after plugins
2757		if ( /^(drag|start|stop)/.test( type ) ) {
2758			this.positionAbs = this._convertPositionTo( "absolute" );
2759			ui.offset = this.positionAbs;
2760		}
2761		return $.Widget.prototype._trigger.call( this, type, event, ui );
2762	},
2763
2764	plugins: {},
2765
2766	_uiHash: function() {
2767		return {
2768			helper: this.helper,
2769			position: this.position,
2770			originalPosition: this.originalPosition,
2771			offset: this.positionAbs
2772		};
2773	}
2774
2775} );
2776
2777$.ui.plugin.add( "draggable", "connectToSortable", {
2778	start: function( event, ui, draggable ) {
2779		var uiSortable = $.extend( {}, ui, {
2780			item: draggable.element
2781		} );
2782
2783		draggable.sortables = [];
2784		$( draggable.options.connectToSortable ).each( function() {
2785			var sortable = $( this ).sortable( "instance" );
2786
2787			if ( sortable && !sortable.options.disabled ) {
2788				draggable.sortables.push( sortable );
2789
2790				// RefreshPositions is called at drag start to refresh the containerCache
2791				// which is used in drag. This ensures it's initialized and synchronized
2792				// with any changes that might have happened on the page since initialization.
2793				sortable.refreshPositions();
2794				sortable._trigger( "activate", event, uiSortable );
2795			}
2796		} );
2797	},
2798	stop: function( event, ui, draggable ) {
2799		var uiSortable = $.extend( {}, ui, {
2800			item: draggable.element
2801		} );
2802
2803		draggable.cancelHelperRemoval = false;
2804
2805		$.each( draggable.sortables, function() {
2806			var sortable = this;
2807
2808			if ( sortable.isOver ) {
2809				sortable.isOver = 0;
2810
2811				// Allow this sortable to handle removing the helper
2812				draggable.cancelHelperRemoval = true;
2813				sortable.cancelHelperRemoval = false;
2814
2815				// Use _storedCSS To restore properties in the sortable,
2816				// as this also handles revert (#9675) since the draggable
2817				// may have modified them in unexpected ways (#8809)
2818				sortable._storedCSS = {
2819					position: sortable.placeholder.css( "position" ),
2820					top: sortable.placeholder.css( "top" ),
2821					left: sortable.placeholder.css( "left" )
2822				};
2823
2824				sortable._mouseStop( event );
2825
2826				// Once drag has ended, the sortable should return to using
2827				// its original helper, not the shared helper from draggable
2828				sortable.options.helper = sortable.options._helper;
2829			} else {
2830
2831				// Prevent this Sortable from removing the helper.
2832				// However, don't set the draggable to remove the helper
2833				// either as another connected Sortable may yet handle the removal.
2834				sortable.cancelHelperRemoval = true;
2835
2836				sortable._trigger( "deactivate", event, uiSortable );
2837			}
2838		} );
2839	},
2840	drag: function( event, ui, draggable ) {
2841		$.each( draggable.sortables, function() {
2842			var innermostIntersecting = false,
2843				sortable = this;
2844
2845			// Copy over variables that sortable's _intersectsWith uses
2846			sortable.positionAbs = draggable.positionAbs;
2847			sortable.helperProportions = draggable.helperProportions;
2848			sortable.offset.click = draggable.offset.click;
2849
2850			if ( sortable._intersectsWith( sortable.containerCache ) ) {
2851				innermostIntersecting = true;
2852
2853				$.each( draggable.sortables, function() {
2854
2855					// Copy over variables that sortable's _intersectsWith uses
2856					this.positionAbs = draggable.positionAbs;
2857					this.helperProportions = draggable.helperProportions;
2858					this.offset.click = draggable.offset.click;
2859
2860					if ( this !== sortable &&
2861							this._intersectsWith( this.containerCache ) &&
2862							$.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
2863						innermostIntersecting = false;
2864					}
2865
2866					return innermostIntersecting;
2867				} );
2868			}
2869
2870			if ( innermostIntersecting ) {
2871
2872				// If it intersects, we use a little isOver variable and set it once,
2873				// so that the move-in stuff gets fired only once.
2874				if ( !sortable.isOver ) {
2875					sortable.isOver = 1;
2876
2877					// Store draggable's parent in case we need to reappend to it later.
2878					draggable._parent = ui.helper.parent();
2879
2880					sortable.currentItem = ui.helper
2881						.appendTo( sortable.element )
2882						.data( "ui-sortable-item", true );
2883
2884					// Store helper option to later restore it
2885					sortable.options._helper = sortable.options.helper;
2886
2887					sortable.options.helper = function() {
2888						return ui.helper[ 0 ];
2889					};
2890
2891					// Fire the start events of the sortable with our passed browser event,
2892					// and our own helper (so it doesn't create a new one)
2893					event.target = sortable.currentItem[ 0 ];
2894					sortable._mouseCapture( event, true );
2895					sortable._mouseStart( event, true, true );
2896
2897					// Because the browser event is way off the new appended portlet,
2898					// modify necessary variables to reflect the changes
2899					sortable.offset.click.top = draggable.offset.click.top;
2900					sortable.offset.click.left = draggable.offset.click.left;
2901					sortable.offset.parent.left -= draggable.offset.parent.left -
2902						sortable.offset.parent.left;
2903					sortable.offset.parent.top -= draggable.offset.parent.top -
2904						sortable.offset.parent.top;
2905
2906					draggable._trigger( "toSortable", event );
2907
2908					// Inform draggable that the helper is in a valid drop zone,
2909					// used solely in the revert option to handle "valid/invalid".
2910					draggable.dropped = sortable.element;
2911
2912					// Need to refreshPositions of all sortables in the case that
2913					// adding to one sortable changes the location of the other sortables (#9675)
2914					$.each( draggable.sortables, function() {
2915						this.refreshPositions();
2916					} );
2917
2918					// Hack so receive/update callbacks work (mostly)
2919					draggable.currentItem = draggable.element;
2920					sortable.fromOutside = draggable;
2921				}
2922
2923				if ( sortable.currentItem ) {
2924					sortable._mouseDrag( event );
2925
2926					// Copy the sortable's position because the draggable's can potentially reflect
2927					// a relative position, while sortable is always absolute, which the dragged
2928					// element has now become. (#8809)
2929					ui.position = sortable.position;
2930				}
2931			} else {
2932
2933				// If it doesn't intersect with the sortable, and it intersected before,
2934				// we fake the drag stop of the sortable, but make sure it doesn't remove
2935				// the helper by using cancelHelperRemoval.
2936				if ( sortable.isOver ) {
2937
2938					sortable.isOver = 0;
2939					sortable.cancelHelperRemoval = true;
2940
2941					// Calling sortable's mouseStop would trigger a revert,
2942					// so revert must be temporarily false until after mouseStop is called.
2943					sortable.options._revert = sortable.options.revert;
2944					sortable.options.revert = false;
2945
2946					sortable._trigger( "out", event, sortable._uiHash( sortable ) );
2947					sortable._mouseStop( event, true );
2948
2949					// Restore sortable behaviors that were modfied
2950					// when the draggable entered the sortable area (#9481)
2951					sortable.options.revert = sortable.options._revert;
2952					sortable.options.helper = sortable.options._helper;
2953
2954					if ( sortable.placeholder ) {
2955						sortable.placeholder.remove();
2956					}
2957
2958					// Restore and recalculate the draggable's offset considering the sortable
2959					// may have modified them in unexpected ways. (#8809, #10669)
2960					ui.helper.appendTo( draggable._parent );
2961					draggable._refreshOffsets( event );
2962					ui.position = draggable._generatePosition( event, true );
2963
2964					draggable._trigger( "fromSortable", event );
2965
2966					// Inform draggable that the helper is no longer in a valid drop zone
2967					draggable.dropped = false;
2968
2969					// Need to refreshPositions of all sortables just in case removing
2970					// from one sortable changes the location of other sortables (#9675)
2971					$.each( draggable.sortables, function() {
2972						this.refreshPositions();
2973					} );
2974				}
2975			}
2976		} );
2977	}
2978} );
2979
2980$.ui.plugin.add( "draggable", "cursor", {
2981	start: function( event, ui, instance ) {
2982		var t = $( "body" ),
2983			o = instance.options;
2984
2985		if ( t.css( "cursor" ) ) {
2986			o._cursor = t.css( "cursor" );
2987		}
2988		t.css( "cursor", o.cursor );
2989	},
2990	stop: function( event, ui, instance ) {
2991		var o = instance.options;
2992		if ( o._cursor ) {
2993			$( "body" ).css( "cursor", o._cursor );
2994		}
2995	}
2996} );
2997
2998$.ui.plugin.add( "draggable", "opacity", {
2999	start: function( event, ui, instance ) {
3000		var t = $( ui.helper ),
3001			o = instance.options;
3002		if ( t.css( "opacity" ) ) {
3003			o._opacity = t.css( "opacity" );
3004		}
3005		t.css( "opacity", o.opacity );
3006	},
3007	stop: function( event, ui, instance ) {
3008		var o = instance.options;
3009		if ( o._opacity ) {
3010			$( ui.helper ).css( "opacity", o._opacity );
3011		}
3012	}
3013} );
3014
3015$.ui.plugin.add( "draggable", "scroll", {
3016	start: function( event, ui, i ) {
3017		if ( !i.scrollParentNotHidden ) {
3018			i.scrollParentNotHidden = i.helper.scrollParent( false );
3019		}
3020
3021		if ( i.scrollParentNotHidden[ 0 ] !== i.document[ 0 ] &&
3022				i.scrollParentNotHidden[ 0 ].tagName !== "HTML" ) {
3023			i.overflowOffset = i.scrollParentNotHidden.offset();
3024		}
3025	},
3026	drag: function( event, ui, i  ) {
3027
3028		var o = i.options,
3029			scrolled = false,
3030			scrollParent = i.scrollParentNotHidden[ 0 ],
3031			document = i.document[ 0 ];
3032
3033		if ( scrollParent !== document && scrollParent.tagName !== "HTML" ) {
3034			if ( !o.axis || o.axis !== "x" ) {
3035				if ( ( i.overflowOffset.top + scrollParent.offsetHeight ) - event.pageY <
3036						o.scrollSensitivity ) {
3037					scrollParent.scrollTop = scrolled = scrollParent.scrollTop + o.scrollSpeed;
3038				} else if ( event.pageY - i.overflowOffset.top < o.scrollSensitivity ) {
3039					scrollParent.scrollTop = scrolled = scrollParent.scrollTop - o.scrollSpeed;
3040				}
3041			}
3042
3043			if ( !o.axis || o.axis !== "y" ) {
3044				if ( ( i.overflowOffset.left + scrollParent.offsetWidth ) - event.pageX <
3045						o.scrollSensitivity ) {
3046					scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft + o.scrollSpeed;
3047				} else if ( event.pageX - i.overflowOffset.left < o.scrollSensitivity ) {
3048					scrollParent.scrollLeft = scrolled = scrollParent.scrollLeft - o.scrollSpeed;
3049				}
3050			}
3051
3052		} else {
3053
3054			if ( !o.axis || o.axis !== "x" ) {
3055				if ( event.pageY - $( document ).scrollTop() < o.scrollSensitivity ) {
3056					scrolled = $( document ).scrollTop( $( document ).scrollTop() - o.scrollSpeed );
3057				} else if ( $( window ).height() - ( event.pageY - $( document ).scrollTop() ) <
3058						o.scrollSensitivity ) {
3059					scrolled = $( document ).scrollTop( $( document ).scrollTop() + o.scrollSpeed );
3060				}
3061			}
3062
3063			if ( !o.axis || o.axis !== "y" ) {
3064				if ( event.pageX - $( document ).scrollLeft() < o.scrollSensitivity ) {
3065					scrolled = $( document ).scrollLeft(
3066						$( document ).scrollLeft() - o.scrollSpeed
3067					);
3068				} else if ( $( window ).width() - ( event.pageX - $( document ).scrollLeft() ) <
3069						o.scrollSensitivity ) {
3070					scrolled = $( document ).scrollLeft(
3071						$( document ).scrollLeft() + o.scrollSpeed
3072					);
3073				}
3074			}
3075
3076		}
3077
3078		if ( scrolled !== false && $.ui.ddmanager && !o.dropBehaviour ) {
3079			$.ui.ddmanager.prepareOffsets( i, event );
3080		}
3081
3082	}
3083} );
3084
3085$.ui.plugin.add( "draggable", "snap", {
3086	start: function( event, ui, i ) {
3087
3088		var o = i.options;
3089
3090		i.snapElements = [];
3091
3092		$( o.snap.constructor !== String ? ( o.snap.items || ":data(ui-draggable)" ) : o.snap )
3093			.each( function() {
3094				var $t = $( this ),
3095					$o = $t.offset();
3096				if ( this !== i.element[ 0 ] ) {
3097					i.snapElements.push( {
3098						item: this,
3099						width: $t.outerWidth(), height: $t.outerHeight(),
3100						top: $o.top, left: $o.left
3101					} );
3102				}
3103			} );
3104
3105	},
3106	drag: function( event, ui, inst ) {
3107
3108		var ts, bs, ls, rs, l, r, t, b, i, first,
3109			o = inst.options,
3110			d = o.snapTolerance,
3111			x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
3112			y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;
3113
3114		for ( i = inst.snapElements.length - 1; i >= 0; i-- ) {
3115
3116			l = inst.snapElements[ i ].left - inst.margins.left;
3117			r = l + inst.snapElements[ i ].width;
3118			t = inst.snapElements[ i ].top - inst.margins.top;
3119			b = t + inst.snapElements[ i ].height;
3120
3121			if ( x2 < l - d || x1 > r + d || y2 < t - d || y1 > b + d ||
3122					!$.contains( inst.snapElements[ i ].item.ownerDocument,
3123					inst.snapElements[ i ].item ) ) {
3124				if ( inst.snapElements[ i ].snapping ) {
3125					if ( inst.options.snap.release ) {
3126						inst.options.snap.release.call(
3127							inst.element,
3128							event,
3129							$.extend( inst._uiHash(), { snapItem: inst.snapElements[ i ].item } )
3130						);
3131					}
3132				}
3133				inst.snapElements[ i ].snapping = false;
3134				continue;
3135			}
3136
3137			if ( o.snapMode !== "inner" ) {
3138				ts = Math.abs( t - y2 ) <= d;
3139				bs = Math.abs( b - y1 ) <= d;
3140				ls = Math.abs( l - x2 ) <= d;
3141				rs = Math.abs( r - x1 ) <= d;
3142				if ( ts ) {
3143					ui.position.top = inst._convertPositionTo( "relative", {
3144						top: t - inst.helperProportions.height,
3145						left: 0
3146					} ).top;
3147				}
3148				if ( bs ) {
3149					ui.position.top = inst._convertPositionTo( "relative", {
3150						top: b,
3151						left: 0
3152					} ).top;
3153				}
3154				if ( ls ) {
3155					ui.position.left = inst._convertPositionTo( "relative", {
3156						top: 0,
3157						left: l - inst.helperProportions.width
3158					} ).left;
3159				}
3160				if ( rs ) {
3161					ui.position.left = inst._convertPositionTo( "relative", {
3162						top: 0,
3163						left: r
3164					} ).left;
3165				}
3166			}
3167
3168			first = ( ts || bs || ls || rs );
3169
3170			if ( o.snapMode !== "outer" ) {
3171				ts = Math.abs( t - y1 ) <= d;
3172				bs = Math.abs( b - y2 ) <= d;
3173				ls = Math.abs( l - x1 ) <= d;
3174				rs = Math.abs( r - x2 ) <= d;
3175				if ( ts ) {
3176					ui.position.top = inst._convertPositionTo( "relative", {
3177						top: t,
3178						left: 0
3179					} ).top;
3180				}
3181				if ( bs ) {
3182					ui.position.top = inst._convertPositionTo( "relative", {
3183						top: b - inst.helperProportions.height,
3184						left: 0
3185					} ).top;
3186				}
3187				if ( ls ) {
3188					ui.position.left = inst._convertPositionTo( "relative", {
3189						top: 0,
3190						left: l
3191					} ).left;
3192				}
3193				if ( rs ) {
3194					ui.position.left = inst._convertPositionTo( "relative", {
3195						top: 0,
3196						left: r - inst.helperProportions.width
3197					} ).left;
3198				}
3199			}
3200
3201			if ( !inst.snapElements[ i ].snapping && ( ts || bs || ls || rs || first ) ) {
3202				if ( inst.options.snap.snap ) {
3203					inst.options.snap.snap.call(
3204						inst.element,
3205						event,
3206						$.extend( inst._uiHash(), {
3207							snapItem: inst.snapElements[ i ].item
3208						} ) );
3209				}
3210			}
3211			inst.snapElements[ i ].snapping = ( ts || bs || ls || rs || first );
3212
3213		}
3214
3215	}
3216} );
3217
3218$.ui.plugin.add( "draggable", "stack", {
3219	start: function( event, ui, instance ) {
3220		var min,
3221			o = instance.options,
3222			group = $.makeArray( $( o.stack ) ).sort( function( a, b ) {
3223				return ( parseInt( $( a ).css( "zIndex" ), 10 ) || 0 ) -
3224					( parseInt( $( b ).css( "zIndex" ), 10 ) || 0 );
3225			} );
3226
3227		if ( !group.length ) {
3228			return;
3229		}
3230
3231		min = parseInt( $( group[ 0 ] ).css( "zIndex" ), 10 ) || 0;
3232		$( group ).each( function( i ) {
3233			$( this ).css( "zIndex", min + i );
3234		} );
3235		this.css( "zIndex", ( min + group.length ) );
3236	}
3237} );
3238
3239$.ui.plugin.add( "draggable", "zIndex", {
3240	start: function( event, ui, instance ) {
3241		var t = $( ui.helper ),
3242			o = instance.options;
3243
3244		if ( t.css( "zIndex" ) ) {
3245			o._zIndex = t.css( "zIndex" );
3246		}
3247		t.css( "zIndex", o.zIndex );
3248	},
3249	stop: function( event, ui, instance ) {
3250		var o = instance.options;
3251
3252		if ( o._zIndex ) {
3253			$( ui.helper ).css( "zIndex", o._zIndex );
3254		}
3255	}
3256} );
3257
3258var widgetsDraggable = $.ui.draggable;
3259
3260
3261/*!
3262 * jQuery UI