http://bpsemi.com/cn/res/scripts/jqueryui/jquery-ui.js

1/*! jQuery UI - v1.13.2 - 2022-12-10
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 = $.ui.version = "1.13.2";
24
25
26/*!
27 * jQuery UI Widget 1.13.2
28 * http://jqueryui.com
29 *
30 * Copyright jQuery Foundation and other contributors
31 * Released under the MIT license.
32 * http://jquery.org/license
33 */
34
35//>>label: Widget
36//>>group: Core
37//>>description: Provides a factory for creating stateful widgets with a common API.
38//>>docs: http://api.jqueryui.com/jQuery.widget/
39//>>demos: http://jqueryui.com/widget/
40
41
42var widgetUuid = 0;
43var widgetHasOwnProperty = Array.prototype.hasOwnProperty;
44var widgetSlice = Array.prototype.slice;
45
46$.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 ];

69
70	var fullName = namespace + "-" + name;
71
72	if ( !prototype ) {
73		prototype = base;
74		base = $.Widget;
75	}
76
77	if ( Array.isArray( prototype ) ) {
78		prototype = $.extend.apply( null, [ {} ].concat( prototype ) );
79	}
80
81	// Create selector for plugin
82	$.expr.pseudos[ fullName.toLowerCase() ] = function( elem ) {
83		return !!$.data( elem, fullName );
84	};
85
86	$[ namespace ] = $[ namespace ] || {};
87	existingConstructor = $[ namespace ][ name ];
88	constructor = $[ namespace ][ name ] = function( options, element ) {
89
90		// Allow instantiation without "new" keyword
91		if ( !this || !this._createWidget ) {
92			return new constructor( options, element );
93		}
94
95		// Allow instantiation without initializing for simple inheritance
96		// must use "new" keyword (the code above always passes args)
97		if ( arguments.length ) {
98			this._createWidget( options, element );
99		}
100	};
101
102	// Extend with the existing constructor to carry over any static properties
103	$.extend( constructor, existingConstructor, {
104		version: prototype.version,
105
106		// Copy the object used to create the prototype in case we need to
107		// redefine the widget later
108		_proto: $.extend( {}, prototype ),
109
110		// Track widgets that inherit from this widget in case this widget is
111		// redefined after a widget inherits from it
112		_childConstructors: []
113	} );
114
115	basePrototype = new base();
116
117	// We need to make the options hash a property directly on the new instance
118	// otherwise we'll modify the options hash on the prototype that we're
119	// inheriting from
120	basePrototype.options = $.widget.extend( {}, basePrototype.options );
121	$.each( prototype, function( prop, value ) {
122		if ( typeof value !== "function" ) {
123			proxiedPrototype[ prop ] = value;
124			return;
125		}
126		proxiedPrototype[ prop ] = ( function() {
127			function _super() {
128				return base.prototype[ prop ].apply( this, arguments );
129			}
130
131			function _superApply( args ) {
132				return base.prototype[ prop ].apply( this, args );
133			}
134
135			return function() {
136				var __super = this._super;
137				var __superApply = this._superApply;
138				var returnValue;
139
140				this._super = _super;
141				this._superApply = _superApply;
142
143				returnValue = value.apply( this, arguments );
144
145				this._super = __super;
146				this._superApply = __superApply;
147
148				return returnValue;
149			};
150		} )();
151	} );
152	constructor.prototype = $.widget.extend( basePrototype, {
153
154		// TODO: remove support for widgetEventPrefix
155		// always use the name + a colon as the prefix, e.g., draggable:start
156		// don't prefix for widgets that aren't DOM-based
157		widgetEventPrefix: existingConstructor ? ( basePrototype.widgetEventPrefix || name ) : name
158	}, proxiedPrototype, {
159		constructor: constructor,
160		namespace: namespace,
161		widgetName: name,
162		widgetFullName: fullName
163	} );
164
165	// If this widget is being redefined then we need to find all widgets that
166	// are inheriting from it and redefine all of them so that they inherit from
167	// the new version of this widget. We're essentially trying to replace one
168	// level in the prototype chain.
169	if ( existingConstructor ) {
170		$.each( existingConstructor._childConstructors, function( i, child ) {
171			var childPrototype = child.prototype;
172
173			// Redefine the child widget using the same prototype that was
174			// originally used, but inherit from the new version of the base
175			$.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor,
176				child._proto );
177		} );
178
179		// Remove the list of existing child constructors from the old constructor
180		// so the old child constructors can be garbage collected
181		delete existingConstructor._childConstructors;
182	} else {
183		base._childConstructors.push( constructor );
184	}
185
186	$.widget.bridge( name, constructor );
187
188	return constructor;
189};
190
191$.widget.extend = function( target ) {
192	var input = widgetSlice.call( arguments, 1 );
193	var inputIndex = 0;
194	var inputLength = input.length;
195	var key;
196	var value;
197
198	for ( ; inputIndex < inputLength; inputIndex++ ) {
199		for ( key in input[ inputIndex ] ) {
200			value = input[ inputIndex ][ key ];
201			if ( widgetHasOwnProperty.call( input[ inputIndex ], key ) && value !== undefined ) {
202
203				// Clone objects
204				if ( $.isPlainObject( value ) ) {
205					target[ key ] = $.isPlainObject( target[ key ] ) ?
206						$.widget.extend( {}, target[ key ], value ) :
207
208						// Don't extend strings, arrays, etc. with objects
209						$.widget.extend( {}, value );
210
211				// Copy everything else by reference
212				} else {
213					target[ key ] = value;
214				}
215			}
216		}
217	}
218	return target;
219};
220
221$.widget.bridge = function( name, object ) {
222	var fullName = object.prototype.widgetFullName || name;
223	$.fn[ name ] = function( options ) {
224		var isMethodCall = typeof options === "string";
225		var args = widgetSlice.call( arguments, 1 );
226		var returnValue = this;
227
228		if ( isMethodCall ) {
229
230			// If this is an empty collection, we need to have the instance method
231			// return undefined instead of the jQuery instance
232			if ( !this.length && options === "instance" ) {
233				returnValue = undefined;
234			} else {
235				this.each( function() {
236					var methodValue;
237					var instance = $.data( this, fullName );
238
239					if ( options === "instance" ) {
240						returnValue = instance;
241						return false;
242					}
243
244					if ( !instance ) {
245						return $.error( "cannot call methods on " + name +
246							" prior to initialization; " +
247							"attempted to call method '" + options + "'" );
248					}
249
250					if ( typeof instance[ options ] !== "function" ||
251						options.charAt( 0 ) === "_" ) {
252						return $.error( "no such method '" + options + "' for " + name +
253							" widget instance" );
254					}
255
256					methodValue = instance[ options ].apply( instance, args );
257
258					if ( methodValue !== instance && methodValue !== undefined ) {
259						returnValue = methodValue && methodValue.jquery ?
260							returnValue.pushStack( methodValue.get() ) :
261							methodValue;
262						return false;
263					}
264				} );
265			}
266		} else {
267
268			// Allow multiple hashes to be passed on init
269			if ( args.length ) {
270				options = $.widget.extend.apply( null, [ options ].concat( args ) );
271			}
272
273			this.each( function() {
274				var instance = $.data( this, fullName );
275				if ( instance ) {
276					instance.option( options || {} );
277					if ( instance._init ) {
278						instance._init();
279					}
280				} else {
281					$.data( this, fullName, new object( options, this ) );
282				}
283			} );
284		}
285
286		return returnValue;
287	};
288};
289
290$.Widget = function( /* options, element */ ) {};
291$.Widget._childConstructors = [];
292
293$.Widget.prototype = {
294	widgetName: "widget",
295	widgetEventPrefix: "",
296	defaultElement: "<div>",
297
298	options: {
299		classes: {},
300		disabled: false,
301
302		// Callbacks
303		create: null
304	},
305
306	_createWidget: function( options, element ) {
307		element = $( element || this.defaultElement || this )[ 0 ];
308		this.element = $( element );
309		this.uuid = widgetUuid++;
310		this.eventNamespace = "." + this.widgetName + this.uuid;
311
312		this.bindings = $();
313		this.hoverable = $();
314		this.focusable = $();
315		this.classesElementLookup = {};
316
317		if ( element !== this ) {
318			$.data( element, this.widgetFullName, this );
319			this._on( true, this.element, {
320				remove: function( event ) {
321					if ( event.target === element ) {
322						this.destroy();
323					}
324				}
325			} );
326			this.document = $( element.style ?
327
328				// Element within the document
329				element.ownerDocument :
330
331				// Element is window or document
332				element.document || element );
333			this.window = $( this.document[ 0 ].defaultView || this.document[ 0 ].parentWindow );
334		}
335
336		this.options = $.widget.extend( {},
337			this.options,
338			this._getCreateOptions(),
339			options );
340
341		this._create();
342
343		if ( this.options.disabled ) {
344			this._setOptionDisabled( this.options.disabled );
345		}
346
347		this._trigger( "create", null, this._getCreateEventData() );
348		this._init();
349	},
350
351	_getCreateOptions: function() {
352		return {};
353	},
354
355	_getCreateEventData: $.noop,
356
357	_create: $.noop,
358
359	_init: $.noop,
360
361	destroy: function() {
362		var that = this;
363
364		this._destroy();
365		$.each( this.classesElementLookup, function( key, value ) {
366			that._removeClass( value, key );
367		} );
368
369		// We can probably remove the unbind calls in 2.0
370		// all event bindings should go through this._on()
371		this.element
372			.off( this.eventNamespace )
373			.removeData( this.widgetFullName );
374		this.widget()
375			.off( this.eventNamespace )
376			.removeAttr( "aria-disabled" );
377
378		// Clean up events and states
379		this.bindings.off( this.eventNamespace );
380	},
381
382	_destroy: $.noop,
383
384	widget: function() {
385		return this.element;
386	},
387
388	option: function( key, value ) {
389		var options = key;
390		var parts;
391		var curOption;
392		var i;
393
394		if ( arguments.length === 0 ) {
395
396			// Don't return a reference to the internal hash
397			return $.widget.extend( {}, this.options );
398		}
399
400		if ( typeof key === "string" ) {
401
402			// Handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
403			options = {};
404			parts = key.split( "." );
405			key = parts.shift();
406			if ( parts.length ) {
407				curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
408				for ( i = 0; i < parts.length - 1; i++ ) {
409					curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
410					curOption = curOption[ parts[ i ] ];
411				}
412				key = parts.pop();
413				if ( arguments.length === 1 ) {
414					return curOption[ key ] === undefined ? null : curOption[ key ];
415				}
416				curOption[ key ] = value;
417			} else {
418				if ( arguments.length === 1 ) {
419					return this.options[ key ] === undefined ? null : this.options[ key ];
420				}
421				options[ key ] = value;
422			}
423		}
424
425		this._setOptions( options );
426
427		return this;
428	},
429
430	_setOptions: function( options ) {
431		var key;
432
433		for ( key in options ) {
434			this._setOption( key, options[ key ] );
435		}
436
437		return this;
438	},
439
440	_setOption: function( key, value ) {
441		if ( key === "classes" ) {
442			this._setOptionClasses( value );
443		}
444
445		this.options[ key ] = value;
446
447		if ( key === "disabled" ) {
448			this._setOptionDisabled( value );
449		}
450
451		return this;
452	},
453
454	_setOptionClasses: function( value ) {
455		var classKey, elements, currentElements;
456
457		for ( classKey in value ) {
458			currentElements = this.classesElementLookup[ classKey ];
459			if ( value[ classKey ] === this.options.classes[ classKey ] ||
460					!currentElements ||
461					!currentElements.length ) {
462				continue;
463			}
464
465			// We are doing this to create a new jQuery object because the _removeClass() call
466			// on the next line is going to destroy the reference to the current elements being
467			// tracked. We need to save a copy of this collection so that we can add the new classes
468			// below.
469			elements = $( currentElements.get() );
470			this._removeClass( currentElements, classKey );
471
472			// We don't use _addClass() here, because that uses this.options.classes
473			// for generating the string of classes. We want to use the value passed in from
474			// _setOption(), this is the new value of the classes option which was passed to
475			// _setOption(). We pass this value directly to _classes().
476			elements.addClass( this._classes( {
477				element: elements,
478				keys: classKey,
479				classes: value,
480				add: true
481			} ) );
482		}
483	},
484
485	_setOptionDisabled: function( value ) {
486		this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, !!value );
487
488		// If the widget is becoming disabled, then nothing is interactive
489		if ( value ) {
490			this._removeClass( this.hoverable, null, "ui-state-hover" );
491			this._removeClass( this.focusable, null, "ui-state-focus" );
492		}
493	},
494
495	enable: function() {
496		return this._setOptions( { disabled: false } );
497	},
498
499	disable: function() {
500		return this._setOptions( { disabled: true } );
501	},
502
503	_classes: function( options ) {
504		var full = [];
505		var that = this;
506
507		options = $.extend( {
508			element: this.element,
509			classes: this.options.classes || {}
510		}, options );
511
512		function bindRemoveEvent() {
513			var nodesToBind = [];
514
515			options.element.each( function( _, element ) {
516				var isTracked = $.map( that.classesElementLookup, function( elements ) {
517					return elements;
518				} )
519					.some( function( elements ) {
520						return elements.is( element );
521					} );
522
523				if ( !isTracked ) {
524					nodesToBind.push( element );
525				}
526			} );
527
528			that._on( $( nodesToBind ), {
529				remove: "_untrackClassesElement"
530			} );
531		}
532
533		function processClassString( classes, checkOption ) {
534			var current, i;
535			for ( i = 0; i < classes.length; i++ ) {
536				current = that.classesElementLookup[ classes[ i ] ] || $();
537				if ( options.add ) {
538					bindRemoveEvent();
539					current = $( $.uniqueSort( current.get().concat( options.element.get() ) ) );
540				} else {
541					current = $( current.not( options.element ).get() );
542				}
543				that.classesElementLookup[ classes[ i ] ] = current;
544				full.push( classes[ i ] );
545				if ( checkOption && options.classes[ classes[ i ] ] ) {
546					full.push( options.classes[ classes[ i ] ] );
547				}
548			}
549		}
550
551		if ( options.keys ) {
552			processClassString( options.keys.match( /\S+/g ) || [], true );
553		}
554		if ( options.extra ) {
555			processClassString( options.extra.match( /\S+/g ) || [] );
556		}
557
558		return full.join( " " );
559	},
560
561	_untrackClassesElement: function( event ) {
562		var that = this;
563		$.each( that.classesElementLookup, function( key, value ) {
564			if ( $.inArray( event.target, value ) !== -1 ) {
565				that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
566			}
567		} );
568
569		this._off( $( event.target ) );
570	},
571
572	_removeClass: function( element, keys, extra ) {
573		return this._toggleClass( element, keys, extra, false );
574	},
575
576	_addClass: function( element, keys, extra ) {
577		return this._toggleClass( element, keys, extra, true );
578	},
579
580	_toggleClass: function( element, keys, extra, add ) {
581		add = ( typeof add === "boolean" ) ? add : extra;
582		var shift = ( typeof element === "string" || element === null ),
583			options = {
584				extra: shift ? keys : extra,
585				keys: shift ? element : keys,
586				element: shift ? this.element : element,
587				add: add
588			};
589		options.element.toggleClass( this._classes( options ), add );
590		return this;
591	},
592
593	_on: function( suppressDisabledCheck, element, handlers ) {
594		var delegateElement;
595		var instance = this;
596
597		// No suppressDisabledCheck flag, shuffle arguments
598		if ( typeof suppressDisabledCheck !== "boolean" ) {
599			handlers = element;
600			element = suppressDisabledCheck;
601			suppressDisabledCheck = false;
602		}
603
604		// No element argument, shuffle and use this.element
605		if ( !handlers ) {
606			handlers = element;
607			element = this.element;
608			delegateElement = this.widget();
609		} else {
610			element = delegateElement = $( element );
611			this.bindings = this.bindings.add( element );
612		}
613
614		$.each( handlers, function( event, handler ) {
615			function handlerProxy() {
616
617				// Allow widgets to customize the disabled handling
618				// - disabled as an array instead of boolean
619				// - disabled class as method for disabling individual parts
620				if ( !suppressDisabledCheck &&
621						( instance.options.disabled === true ||
622						$( this ).hasClass( "ui-state-disabled" ) ) ) {
623					return;
624				}
625				return ( typeof handler === "string" ? instance[ handler ] : handler )
626					.apply( instance, arguments );
627			}
628
629			// Copy the guid so direct unbinding works
630			if ( typeof handler !== "string" ) {
631				handlerProxy.guid = handler.guid =
632					handler.guid || handlerProxy.guid || $.guid++;
633			}
634
635			var match = event.match( /^([\w:-]*)\s*(.*)$/ );
636			var eventName = match[ 1 ] + instance.eventNamespace;
637			var selector = match[ 2 ];
638
639			if ( selector ) {
640				delegateElement.on( eventName, selector, handlerProxy );
641			} else {
642				element.on( eventName, handlerProxy );
643			}
644		} );
645	},
646
647	_off: function( element, eventName ) {
648		eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
649			this.eventNamespace;
650		element.off( eventName );
651
652		// Clear the stack to avoid memory leaks (#10056)
653		this.bindings = $( this.bindings.not( element ).get() );
654		this.focusable = $( this.focusable.not( element ).get() );
655		this.hoverable = $( this.hoverable.not( element ).get() );
656	},
657
658	_delay: function( handler, delay ) {
659		function handlerProxy() {
660			return ( typeof handler === "string" ? instance[ handler ] : handler )
661				.apply( instance, arguments );
662		}
663		var instance = this;
664		return setTimeout( handlerProxy, delay || 0 );
665	},
666
667	_hoverable: function( element ) {
668		this.hoverable = this.hoverable.add( element );
669		this._on( element, {
670			mouseenter: function( event ) {
671				this._addClass( $( event.currentTarget ), null, "ui-state-hover" );
672			},
673			mouseleave: function( event ) {
674				this._removeClass( $( event.currentTarget ), null, "ui-state-hover" );
675			}
676		} );
677	},
678
679	_focusable: function( element ) {
680		this.focusable = this.focusable.add( element );
681		this._on( element, {
682			focusin: function( event ) {
683				this._addClass( $( event.currentTarget ), null, "ui-state-focus" );
684			},
685			focusout: function( event ) {
686				this._removeClass( $( event.currentTarget ), null, "ui-state-focus" );
687			}
688		} );
689	},
690
691	_trigger: function( type, event, data ) {
692		var prop, orig;
693		var callback = this.options[ type ];
694
695		data = data || {};
696		event = $.Event( event );
697		event.type = ( type === this.widgetEventPrefix ?
698			type :
699			this.widgetEventPrefix + type ).toLowerCase();
700
701		// The original event may come from any element
702		// so we need to reset the target on the new event
703		event.target = this.element[ 0 ];
704
705		// Copy original event properties over to the new event
706		orig = event.originalEvent;
707		if ( orig ) {
708			for ( prop in orig ) {
709				if ( !( prop in event ) ) {
710					event[ prop ] = orig[ prop ];
711				}
712			}
713		}
714
715		this.element.trigger( event, data );
716		return !( typeof callback === "function" &&
717			callback.apply( this.element[ 0 ], [ event ].concat( data ) ) === false ||
718			event.isDefaultPrevented() );
719	}
720};
721
722$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
723	$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
724		if ( typeof options === "string" ) {
725			options = { effect: options };
726		}
727
728		var hasOptions;
729		var effectName = !options ?
730			method :
731			options === true || typeof options === "number" ?
732				defaultEffect :
733				options.effect || defaultEffect;
734
735		options = options || {};
736		if ( typeof options === "number" ) {
737			options = { duration: options };
738		} else if ( options === true ) {
739			options = {};
740		}
741
742		hasOptions = !$.isEmptyObject( options );
743		options.complete = callback;
744
745		if ( options.delay ) {
746			element.delay( options.delay );
747		}
748
749		if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
750			element[ method ]( options );
751		} else if ( effectName !== method && element[ effectName ] ) {
752			element[ effectName ]( options.duration, options.easing, callback );
753		} else {
754			element.queue( function( next ) {
755				$( this )[ method ]();
756				if ( callback ) {
757					callback.call( element[ 0 ] );
758				}
759				next();
760			} );
761		}
762	};
763} );
764
765var widget = $.widget;
766
767
768/*!
769 * jQuery UI Position 1.1

7693.2
770 * http://jqueryui.com
771 *
772 * Copyright jQuery Foundation and other contributors
773 * Released under the MIT license.
774 * http://jquery.org/license
775 *
776 * http://api.jqueryui.com/position/
777 */
778
779//>>label: Position
780//>>group: Core
781//>>description: Positions elements relative to other elements.
782//>>docs: http://api.jqueryui.com/position/
783//>>demos: http://jqueryui.com/position/
784
785
786( function() {
787var cachedScrollbarWidth,
788	max = Math.max,
789	abs = Math.abs,
790	rhorizontal = /left|center|right/,
791	rvertical = /top|center|bottom/,
792	roffset = /[\+\-]\d+(\.[\d]+)?%?/,
793	rposition = /^\w+/,
794	rpercent = /%$/,
795	_position = $.fn.position;
796
797function getOffsets( offsets, width, height ) {
798	return [
799		parseFloat( offsets[ 0 ] ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
800		parseFloat( offsets[ 1 ] ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
801	];
802}
803
804function parseCss( element, property ) {
805	return parseInt( $.css( element, property ), 10 ) || 0;
806}
807
808function isWindow( obj ) {
809	return obj != null && obj === obj.window;
810}
811
812function getDimensions( elem ) {
813	var raw = elem[ 0 ];
814	if ( raw.nodeType === 9 ) {
815		return {
816			width: elem.width(),
817			height: elem.height(),
818			offset: { top: 0, left: 0 }
819		};
820	}
821	if ( isWindow( raw ) ) {
822		return {
823			width: elem.width(),
824			height: elem.height(),
825			offset: { top: elem.scrollTop(), left: elem.scrollLeft() }
826		};
827	}
828	if ( raw.preventDefault ) {
829		return {
830			width: 0,
831			height: 0,
832			offset: { top: raw.pageY, left: raw.pageX }
833		};
834	}
835	return {
836		width: elem.outerWidth(),
837		height: elem.outerHeight(),
838		offset: elem.offset()
839	};
840}
841
842$.position = {
843	scrollbarWidth: function() {
844		if ( cachedScrollbarWidth !== undefined ) {
845			return cachedScrollbarWidth;
846		}
847		var w1, w2,
848			div = $( "<div style=" +
849				"'display:block;position:absolute;width:200px;height:200px;overflow:hidden;'>" +
850				"<div style='height:300px;width:auto;'></div></div>" ),
851			innerDiv = div.children()[ 0 ];
852
853		$( "body" ).append( div );
854		w1 = innerDiv.offsetWidth;
855		div.css( "overflow", "scroll" );
856
857		w2 = innerDiv.offsetWidth;
858
859		if ( w1 === w2 ) {
860			w2 = div[ 0 ].clientWidth;
861		}
862
863		div.remove();
864
865		return ( cachedScrollbarWidth = w1 - w2 );
866	},
867	getScrollInfo: function( within ) {
868		var overflowX = within.isWindow || within.isDocument ? "" :
869				within.element.css( "overflow-x" ),
870			overflowY = within.isWindow || within.isDocument ? "" :
871				within.element.css( "overflow-y" ),
872			hasOverflowX = overflowX === "scroll" ||
873				( overflowX === "auto" && within.width < within.element[ 0 ].scrollWidth ),
874			hasOverflowY = overflowY === "scroll" ||
875				( overflowY === "auto" && within.height < within.element[ 0 ].scrollHeight );
876		return {
877			width: hasOverflowY ? $.position.scrollbarWidth() : 0,
878			height: hasOverflowX ? $.position.scrollbarWidth() : 0
879		};
880	},
881	getWithinInfo: function( element ) {
882		var withinElement = $( element || window ),
883			isElemWindow = isWindow( withinElement[ 0 ] ),
884			isDocument = !!withinElement[ 0 ] && withinElement[ 0 ].nodeType === 9,
885			hasOffset = !isElemWindow && !isDocument;
886		return {
887			element: withinElement,
888			isWindow: isElemWindow,
889			isDocument: isDocument,
890			offset: hasOffset ? $( element ).offset() : { left: 0, top: 0 },
891			scrollLeft: withinElement.scrollLeft(),
892			scrollTop: withinElement.scrollTop(),
893			width: withinElement.outerWidth(),
894			height: withinElement.outerHeight()
895		};
896	}
897};
898
899$.fn.position = function( options ) {
900	if ( !options || !options.of ) {
901		return _position.apply( this, arguments );
902	}
903
904	// Make a copy, we don't want to modify arguments
905	options = $.extend( {}, options );
906
907	var atOffset, targetWidth, targetHeight, targetOffset, basePosition, dimensions,
908
909		// Make sure string options are treated as CSS selectors
910		target = typeof options.of === "string" ?
911			$( document ).find( options.of ) :
912			$( options.of ),

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

1275//>>group: Core
1276//>>description: Selects elements which have data stored under the specified key.
1277//>>docs: http://api.jqueryui.com/data-selector/
1278
1279
1280var data = $.extend( $.expr.pseudos, {
1281	data: $.expr.createPseudo ?
1282		$.expr.createPseudo( function( dataName ) {
1283			return function( elem ) {
1284				return !!$.data( elem, dataName );
1285			};
1286		} ) :
1287
1288		// Support: jQuery <1.8
1289		function( elem, i, match ) {
1290			return !!$.data( elem, match[ 3 ] );
1291		}
1292} );
1293
1294/*!
1295 * jQuery UI Disable Selection 1.13.2
1296 * http://jqueryui.com
1297 *
1298 * Copyright jQuery Foundation and other contributors
1299 * Released under the MIT license.
1300 * http://jquery.org/license
1301 */
1302
1303//>>label: disableSelection
1304//>>group: Core
1305//>>description: Disable selection of text content within the set of matched elements.
1306//>>docs: http://api.jqueryui.com/disableSelection/
1307
1308// This file is deprecated
1309
1310var disableSelection = $.fn.extend( {
1311	disableSelection: ( function() {
1312		var eventType = "onselectstart" in document.createElement( "div" ) ?
1313			"selectstart" :
1314			"mousedown";
1315
1316		return function() {
1317			return this.on( eventType + ".ui-disableSelection", function( event ) {
1318				event.preventDefault();
1319			} );
1320		};
1321	} )(),
1322
1323	enableSelection: function() {
1324		return this.off( ".ui-disableSelection" );
1325	}
1326} );
1327
1328
1329/*!
1330 * jQuery UI Focusable 1.13.2
1331 * http://jqueryui.com
1332 *
1333 * Copyright jQuery Foundation and other contributors
1334 * Released under the MIT license.
1335 * http://jquery.org/license
1336 */
1337
1338//>>label: :focusable Selector
1339//>>group: Core
1340//>>description: Selects elements which can be focused.
1341//>>docs: http://api.jqueryui.com/focusable-selector/
1342
1343
1344// Selectors
1345$.ui.focusable = function( element, hasTabindex ) {
1346	var map, mapName, img, focusableIfVisible, fieldset,
1347		nodeName = element.nodeName.toLowerCase();
1348
1349	if ( "area" === nodeName ) {
1350		map = element.parentNode;
1351		mapName = map.name;
1352		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
1353			return false;
1354		}
1355		img = $( "img[usemap='#" + mapName + "']" );
1356		return img.length > 0 && img.is( ":visible" );
1357	}
1358
1359	if ( /^(input|select|textarea|button|object)$/.test( nodeName ) ) {
1360		focusableIfVisible = !element.disabled;
1361
1362		if ( focusableIfVisible ) {
1363
1364			// Form controls within a disabled fieldset are disabled.
1365			// However, controls within the fieldset's legend do not get disabled.
1366			// Since controls generally aren't placed inside legends, we skip
1367			// this portion of the check.
1368			fieldset = $( element ).closest( "fieldset" )[ 0 ];
1369			if ( fieldset ) {
1370				focusableIfVisible = !fieldset.disabled;
1371			}
1372		}
1373	} else if ( "a" === nodeName ) {
1374		focusableIfVisible = element.href || hasTabindex;
1375	} else {
1376		focusableIfVisible = hasTabindex;
1377	}
1378
1379	return focusableIfVisible && $( element ).is( ":visible" ) && visible( $( element ) );
1380};
1381
1382// Support: IE 8 only
1383// IE 8 doesn't resolve inherit to visible/hidden for computed values
1384function visible( element ) {
1385	var visibility = element.css( "visibility" );
1386	while ( visibility === "inherit" ) {
1387		element = element.parent();
1388		visibility = element.css( "visibility" );
1389	}
1390	return visibility === "visible";
1391}
1392
1393$.extend( $.expr.pseudos, {
1394	focusable: function( element ) {
1395		return $.ui.focusable( element, $.attr( element, "tabindex" ) != null );
1396	}
1397} );
1398
1399var focusable = $.ui.focusable;
1400
1401
1402
1403// Support: IE8 Only
1404// IE8 does not support the form attribute and when it is supplied. It overwrites the form prop
1405// with a string, so we need to find the proper form.
1406var form = $.fn._form = function() {
1407	return typeof this[ 0 ].form === "string" ? this.closest( "form" ) : $( this[ 0 ].form );
1408};
1409
1410
1411/*!
1412 * jQuery UI Form Reset Mixin 1.13.2
1413 * http://jqueryui.com
1414 *
1415 * Copyright jQuery Foundation and other contributors
1416 * Released under the MIT license.
1417 * http://jquery.org/license
1418 */
1419
1420//>>label: Form Reset Mixin
1421//>>group: Core
1422//>>description: Refresh input widgets when their form is reset
1423//>>docs: http://api.jqueryui.com/form-reset-mixin/
1424
1425
1426var formResetMixin = $.ui.formResetMixin = {
1427	_formResetHandler: function() {
1428		var form = $( this );
1429
1430		// Wait for the form reset to actually happen before refreshing
1431		setTimeout( function() {
1432			var instances = form.data( "ui-form-reset-instances" );
1433			$.each( instances, function() {
1434				this.refresh();
1435			} );
1436		} );
1437	},
1438
1439	_bindFormResetHandler: function() {
1440		this.form = this.element._form();
1441		if ( !this.form.length ) {
1442			return;
1443		}
1444
1445		var instances = this.form.data( "ui-form-reset-instances" ) || [];
1446		if ( !instances.length ) {
1447
1448			// We don't use _on() here because we use a single event handler per form
1449			this.form.on( "reset.ui-form-reset", this._formResetHandler );
1450		}
1451		instances.push( this );
1452		this.form.data( "ui-form-reset-instances", instances );
1453	},
1454
1455	_unbindFormResetHandler: function() {
1456		if ( !this.form.length ) {
1457			return;
1458		}
1459
1460		var instances = this.form.data( "ui-form-reset-instances" );
1461		instances.splice( $.inArray( this, instances ), 1 );
1462		if ( instances.length ) {
1463			this.form.data( "ui-form-reset-instances", instances );
1464		} else {
1465			this.form
1466				.removeData( "ui-form-reset-instances" )
1467				.off( "reset.ui-form-reset" );
1468		}
1469	}
1470};
1471
1472
1473/*!
1474 * jQuery UI Support for jQuery core 1.8.x and newer 1.13.2
1475 * http://jqueryui.com
1476 *
1477 * Copyright jQuery Foundation and other contributors
1478 * Released under the MIT license.
1479 * http://jquery.org/license
1480 *
1481 */
1482
1483//>>label: jQuery 1.8+ Support
1484//>>group: Core
1485//>>description: Support version 1.8.x and newer of jQuery core
1486
1487
1488// Support: jQuery 1.9.x or older
1489// $.expr[ ":" ] is deprecated.
1490if ( !$.expr.pseudos ) {
1491	$.expr.pseudos = $.expr[ ":" ];
1492}
1493
1494// Support: jQuery 1.11.x or older
1495// $.unique has been renamed to $.uniqueSort
1496if ( !$.uniqueSort ) {
1497	$.uniqueSort = $.unique;
1498}
1499
1500// Support: jQuery 2.2.x or older.
1501// This method has been defined in jQuery 3.0.0.
1502// Code from https://github.com/jquery/jquery/blob/e539bac79e666bba95bba86d690b4e609dca2286/src/selector/escapeSelector.js
1503if ( !$.escapeSelector ) {
1504
1505	// CSS string/identifier serialization
1506	// https://drafts.csswg.org/cssom/#common-serializing-idioms
1507	var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g;
1508
1509	var fcssescape = function( ch, asCodePoint ) {
1510		if ( asCodePoint ) {
1511
1512			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
1513			if ( ch === "\0" ) {
1514				return "\uFFFD";
1515			}
1516
1517			// Control characters and (dependent upon position) numbers get escaped as code points
1518			return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
1519		}
1520
1521		// Other potentially-special ASCII characters get backslash-escaped
1522		return "\\" + ch;
1523	};
1524
1525	$.escapeSelector = function( sel ) {
1526		return ( sel + "" ).replace( rcssescape, fcssescape );
1527	};
1528}
1529
1530// Support: jQuery 3.4.x or older
1531// These methods have been defined in jQuery 3.5.0.
1532if ( !$.fn.even || !$.fn.odd ) {
1533	$.fn.extend( {
1534		even: function() {
1535			return this.filter( function( i ) {
1536				return i % 2 === 0;
1537			} );
1538		},
1539		odd: function() {
1540			return this.filter( function( i ) {
1541				return i % 2 === 1;
1542			} );
1543		}
1544	} );
1545}
1546
1547;
1548/*!
1549 * jQuery UI Keycode 1.13.2
1550 * http://jqueryui.com
1551 *
1552 * Copyright jQuery Foundation and other contributors
1553 * Released under the MIT license.
1554 * http://jquery.org/license
1555 */
1556
1557//>>label: Keycode
1558//>>group: Core
1559//>>description: Provide keycodes as keynames
1560//>>docs: http://api.jqueryui.com/jQuery.ui.keyCode/
1561
1562
1563var keycode = $.ui.keyCode = {
1564	BACKSPACE: 8,
1565	COMMA: 188,
1566	DELETE: 46,
1567	DOWN: 40,
1568	END: 35,
1569	ENTER: 13,
1570	ESCAPE: 27,
1571	HOME: 36,
1572	LEFT: 37,
1573	PAGE_DOWN: 34,
1574	PAGE_UP: 33,
1575	PERIOD: 190,
1576	RIGHT: 39,
1577	SPACE: 32,
1578	TAB: 9,
1579	UP: 38
1580};
1581
1582
1583/*!
1584 * jQuery UI Labels 1.13.2
1585 * http://jqueryui.com
1586 *
1587 * Copyright jQuery Foundation and other contributors
1588 * Released under the MIT license.
1589 * http://jquery.org/license
1590 */
1591
1592//>>label: labels
1593//>>group: Core
1594//>>description: Find all the labels associated with a given input
1595//>>docs: http://api.jqueryui.com/labels/
1596
1597
1598var labels = $.fn.labels = function() {
1599	var ancestor, selector, id, labels, ancestors;
1600
1601	if ( !this.length ) {
1602		return this.pushStack( [] );
1603	}
1604
1605	// Check control.labels first
1606	if ( this[ 0 ].labels && this[ 0 ].labels.length ) {
1607		return this.pushStack( this[ 0 ].labels );
1608	}
1609
1610	// Support: IE <= 11, FF <= 37, Android <= 2.3 only
1611	// Above browsers do not support control.labels. Everything below is to support them
1612	// as well as document fragments. control.labels does not work on document fragments
1613	labels = this.eq( 0 ).parents( "label" );
1614
1615	// Look for the label based on the id
1616	id = this.attr( "id" );
1617	if ( id ) {
1618
1619		// We don't search against the document in case the element
1620		// is disconnected from the DOM
1621		ancestor = this.eq( 0 ).parents().last();
1622
1623		// Get a full set of top level ancestors
1624		ancestors = ancestor.add( ancestor.length ? ancestor.siblings() : this.siblings() );
1625
1626		// Create a selector for the label based on the id
1627		selector = "label[for='" + $.escapeSelector( id ) + "']";
1628
1629		labels = labels.add( ancestors.find( selector ).addBack( selector ) );
1630
1631	}
1632
1633	// Return whatever we have found for labels
1634	return this.pushStack( labels );
1635};
1636
1637
1638/*!
1639 * jQuery UI Scroll Parent 1.13.2
1640 * http://jqueryui.com
1641 *
1642 * Copyright jQuery Foundation and other contributors
1643 * Released under the MIT license.
1644 * http://jquery.org/license
1645 */
1646
1647//>>label: scrollParent
1648//>>group: Core
1649//>>description: Get the closest ancestor element that is scrollable.
1650//>>docs: http://api.jqueryui.com/scrollParent/
1651
1652
1653var scrollParent = $.fn.scrollParent = function( includeHidden ) {
1654	var position = this.css( "position" ),
1655		excludeStaticParent = position === "absolute",
1656		overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/,
1657		scrollParent = this.parents().filter( function() {
1658			var parent = $( this );
1659			if ( excludeStaticParent && parent.css( "position" ) === "static" ) {
1660				return false;
1661			}
1662			return overflowRegex.test( parent.css( "overflow" ) + parent.css( "overflow-y" ) +
1663				parent.css( "overflow-x" ) );
1664		} ).eq( 0 );
1665
1666	return position === "fixed" || !scrollParent.length ?
1667		$( this[ 0 ].ownerDocument || document ) :
1668		scrollParent;
1669};
1670
1671
1672/*!
1673 * jQuery UI Tabbable 1.13.2
1674 * http://jqueryui.com
1675 *
1676 * Copyright jQuery Foundation and other contributors
1677 * Released under the MIT license.
1678 * http://jquery.org/license
1679 */
1680
1681//>>label: :tabbable Selector
1682//>>group: Core
1683//>>description: Selects elements which can be tabbed to.
1684//>>docs: http://api.jqueryui.com/tabbable-selector/
1685
1686
1687var tabbable = $.extend( $.expr.pseudos, {
1688	tabbable: function( element ) {
1689		var tabIndex = $.attr( element, "tabindex" ),
1690			hasTabindex = tabIndex != null;
1691		return ( !hasTabindex || tabIndex >= 0 ) && $.ui.focusable( element, hasTabindex );
1692	}
1693} );
1694
1695
1696/*!
1697 * jQuery UI Unique ID 1.13.2
1698 * http://jqueryui.com
1699 *
1700 * Copyright jQuery Foundation and other contributors
1701 * Released under the MIT license.
1702 * http://jquery.org/license
1703 */
1704
1705//>>label: uniqueId
1706//>>group: Core
1707//>>description: Functions to generate and remove uniqueId's
1708//>>docs: http://api.jqueryui.com/uniqueId/
1709
1710
1711var uniqueId = $.fn.extend( {
1712	uniqueId: ( function() {
1713		var uuid = 0;
1714
1715		return function() {
1716			return this.each( function() {
1717				if ( !this.id ) {
1718					this.id = "ui-id-" + ( ++uuid );
1719				}
1720			} );
1721		};
1722	} )(),
1723
1724	removeUniqueId: function() {
1725		return this.each( function() {
1726			if ( /^ui-id-\d+$/.test( this.id ) ) {
1727				$( this ).removeAttr( "id" );
1728			}
1729		} );
1730	}
1731} );
1732
1733
1734
1735// This file is deprecated
1736var ie = $.ui.ie = !!/msie [\w.]+/.exec( navigator.userAgent.toLowerCase() );
1737
1738/*!
1739 * jQuery UI Mouse 1.13.2
1740 * http://jqueryui.com
1741 *
1742 * Copyright jQuery Foundation and other contributors
1743 * Released under the MIT license.
1744 * http://jquery.org/license
1745 */
1746
1747//>>label: Mouse
1748//>>group: Widgets
1749//>>description: Abstracts mouse-based interactions to assist in creating certain widgets.
1750//>>docs: http://api.jqueryui.com/mouse/
1751
1752
1753var mouseHandled = false;
1754$( document ).on( "mouseup", function() {
1755	mouseHandled = false;
1756} );
1757
1758var widgetsMouse = $.widget( "ui.mouse", {
1759	version: "1.13.2",
1760	options: {
1761		cancel: "input, textarea, button, select, option",
1762		distance: 1,
1763		delay: 0
1764	},
1765	_mouseInit: function() {
1766		var that = this;
1767
1768		this.element
1769			.on( "mousedown." + this.widgetName, function( event ) {
1770				return that._mouseDown( event );
1771			} )
1772			.on( "click." + this.widgetName, function( event ) {
1773				if ( true === $.data( event.target, that.widgetName + ".preventClickEvent" ) ) {
1774					$.removeData( event.target, that.widgetName + ".preventClickEvent" );
1775					event.stopImmediatePropagation();
1776					return false;
1777				}
1778			} );
1779
1780		this.started = false;
1781	},
1782
1783	// TODO: make sure destroying one instance of mouse doesn't mess with
1784	// other instances of mouse
1785	_mouseDestroy: function() {
1786		this.element.off( "." + this.widgetName );
1787		if ( this._mouseMoveDelegate ) {
1788			this.document
1789				.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1790				.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
1791		}
1792	},
1793
1794	_mouseDown: function( event ) {
1795
1796		// don't let more than one widget handle mouseStart
1797		if ( mouseHandled ) {
1798			return;
1799		}
1800
1801		this._mouseMoved = false;
1802
1803		// We may have missed mouseup (out of window)
1804		if ( this._mouseStarted ) {
1805			this._mouseUp( event );
1806		}
1807
1808		this._mouseDownEvent = event;
1809
1810		var that = this,
1811			btnIsLeft = ( event.which === 1 ),
1812
1813			// event.target.nodeName works around a bug in IE 8 with
1814			// disabled inputs (#7620)
1815			elIsCancel = ( typeof this.options.cancel === "string" && event.target.nodeName ?
1816				$( event.target ).closest( this.options.cancel ).length : false );
1817		if ( !btnIsLeft || elIsCancel || !this._mouseCapture( event ) ) {
1818			return true;
1819		}
1820
1821		this.mouseDelayMet = !this.options.delay;
1822		if ( !this.mouseDelayMet ) {
1823			this._mouseDelayTimer = setTimeout( function() {
1824				that.mouseDelayMet = true;
1825			}, this.options.delay );
1826		}
1827
1828		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
1829			this._mouseStarted = ( this._mouseStart( event ) !== false );
1830			if ( !this._mouseStarted ) {
1831				event.preventDefault();
1832				return true;
1833			}
1834		}
1835
1836		// Click event may never have fired (Gecko & Opera)
1837		if ( true === $.data( event.target, this.widgetName + ".preventClickEvent" ) ) {
1838			$.removeData( event.target, this.widgetName + ".preventClickEvent" );
1839		}
1840
1841		// These delegates are required to keep context
1842		this._mouseMoveDelegate = function( event ) {
1843			return that._mouseMove( event );
1844		};
1845		this._mouseUpDelegate = function( event ) {
1846			return that._mouseUp( event );
1847		};
1848
1849		this.document
1850			.on( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1851			.on( "mouseup." + this.widgetName, this._mouseUpDelegate );
1852
1853		event.preventDefault();
1854
1855		mouseHandled = true;
1856		return true;
1857	},
1858
1859	_mouseMove: function( event ) {
1860
1861		// Only check for mouseups outside the document if you've moved inside the document
1862		// at least once. This prevents the firing of mouseup in the case of IE<9, which will
1863		// fire a mousemove event if content is placed under the cursor. See #7778
1864		// Support: IE <9
1865		if ( this._mouseMoved ) {
1866
1867			// IE mouseup check - mouseup happened when mouse was out of window
1868			if ( $.ui.ie && ( !document.documentMode || document.documentMode < 9 ) &&
1869					!event.button ) {
1870				return this._mouseUp( event );
1871
1872			// Iframe mouseup check - mouseup occurred in another document
1873			} else if ( !event.which ) {
1874
1875				// Support: Safari <=8 - 9
1876				// Safari sets which to 0 if you press any of the following keys
1877				// during a drag (#14461)
1878				if ( event.originalEvent.altKey || event.originalEvent.ctrlKey ||
1879						event.originalEvent.metaKey || event.originalEvent.shiftKey ) {
1880					this.ignoreMissingWhich = true;
1881				} else if ( !this.ignoreMissingWhich ) {
1882					return this._mouseUp( event );
1883				}
1884			}
1885		}
1886
1887		if ( event.which || event.button ) {
1888			this._mouseMoved = true;
1889		}
1890
1891		if ( this._mouseStarted ) {
1892			this._mouseDrag( event );
1893			return event.preventDefault();
1894		}
1895
1896		if ( this._mouseDistanceMet( event ) && this._mouseDelayMet( event ) ) {
1897			this._mouseStarted =
1898				( this._mouseStart( this._mouseDownEvent, event ) !== false );
1899			if ( this._mouseStarted ) {
1900				this._mouseDrag( event );
1901			} else {
1902				this._mouseUp( event );
1903			}
1904		}
1905
1906		return !this._mouseStarted;
1907	},
1908
1909	_mouseUp: function( event ) {
1910		this.document
1911			.off( "mousemove." + this.widgetName, this._mouseMoveDelegate )
1912			.off( "mouseup." + this.widgetName, this._mouseUpDelegate );
1913
1914		if ( this._mouseStarted ) {
1915			this._mouseStarted = false;
1916
1917			if ( event.target === this._mouseDownEvent.target ) {
1918				$.data( event.target, this.widgetName + ".preventClickEvent", true );
1919			}
1920
1921			this._mouseStop( event );
1922		}
1923
1924		if ( this._mouseDelayTimer ) {
1925			clearTimeout( this._mouseDelayTimer );
1926			delete this._mouseDelayTimer;
1927		}
1928
1929		this.ignoreMissingWhich = false;
1930		mouseHandled = false;
1931		event.preventDefault();
1932	},
1933
1934	_mouseDistanceMet: function( event ) {
1935		return ( Math.max(
1936				Math.abs( this._mouseDownEvent.pageX - event.pageX ),
1937				Math.abs( this._mouseDownEvent.pageY - event.pageY )
1938			) >= this.options.distance
1939		);
1940	},
1941
1942	_mouseDelayMet: function( /* event */ ) {
1943		return this.mouseDelayMet;
1944	},
1945
1946	// These are placeholder methods, to be overriden by extending plugin
1947	_mouseStart: function( /* event */ ) {},
1948	_mouseDrag: function( /* event */ ) {},
1949	_mouseStop: function( /* event */ ) {},
1950	_mouseCapture: function( /* event */ ) {
1951		return true;
1952	}
1953} );
1954
1955
1956
1957// $.ui.plugin is deprecated. Use $.widget() extensions instead.
1958var plugin = $.ui.plugin = {
1959	add: function( module, option, set ) {
1960		var i,
1961			proto = $.ui[ module ].prototype;
1962		for ( i in set ) {
1963			proto.plugins[ i ] = proto.plugins[ i ] || [];
1964			proto.plugins[ i ].push( [ option, set[ i ] ] );
1965		}
1966	},
1967	call: function( instance, name, args, allowDisconnected ) {
1968		var i,
1969			set = instance.plugins[ name ];
1970
1971		if ( !set ) {
1972			return;
1973		}
1974
1975		if ( !allowDisconnected && ( !instance.element[ 0 ].parentNode ||
1976				instance.element[ 0 ].parentNode.nodeType === 11 ) ) {
1977			return;
1978		}
1979
1980		for ( i = 0; i < set.length; i++ ) {
1981			if ( instance.options[ set[ i ][ 0 ] ] ) {
1982				set[ i ][ 1 ].apply( instance.element, args );
1983			}
1984		}
1985	}
1986};
1987
1988
1989
1990var safeActiveElement = $.ui.safeActiveElement = function( document ) {
1991	var activeElement;
1992
1993	// Support: IE 9 only
1994	// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
1995	try {
1996		activeElement = document.activeElement;
1997	} catch ( error ) {
1998		activeElement = document.body;
1999	}
2000
2001	// Support: IE 9 - 11 only
2002	// IE may return null instead of an element
2003	// Interestingly, this only seems to occur when NOT in an iframe
2004	if ( !activeElement ) {
2005		activeElement = document.body;
2006	}
2007
2008	// Support: IE 11 only
2009	// IE11 returns a seemingly empty object in some cases when accessing
2010	// document.activeElement from an <iframe>
2011	if ( !activeElement.nodeName ) {
2012		activeElement = document.body;
2013	}
2014
2015	return activeElement;
2016};
2017
2018
2019
2020var safeBlur = $.ui.safeBlur = function( element ) {
2021
2022	// Support: IE9 - 10 only
2023	// If the <body> is blurred, IE will switch windows, see #9420
2024	if ( element && element.nodeName.toLowerCase() !== "body" ) {
2025		$( element ).trigger( "blur" );
2026	}
2027};
2028
2029
2030/*!
2031 * jQuery UI Draggable 1.13.2
2032 * http://jqueryui.com
2033 *
2034 * Copyright jQuery Foundation and other contributors
2035 * Released under the MIT license.
2036 * http://jquery.org/license
2037 */
2038
2039//>>label: Draggable
2040//>>group: Interactions
2041//>>description: Enables dragging functionality for any element.
2042//>>docs: http://api.jqueryui.com/draggable/
2043//>>demos: http://jqueryui.com/draggable/
2044//>>css.structure: ../../themes/base/draggable.css
2045
2046
2047$.widget( "ui.draggable", $.ui.mouse, {
2048	version: "1.13.2",
2049	widgetEventPrefix: "drag",
2050	options: {
2051		addClasses: true,
2052		appendTo: "parent",
2053		axis: false,
2054		connectToSortable: false,
2055		containment: false,
2056		cursor: "auto",
2057		cursorAt: false,
2058		grid: false,
2059		handle: false,
2060		helper: "original",
2061		iframeFix: false,
2062		opacity: false,
2063		refreshPositions: false,
2064		revert: false,
2065		revertDuration: 500,
2066		scope: "default",
2067		scroll: true,
2068		scrollSensitivity: 20,
2069		scrollSpeed: 20,
2070		snap: false,
2071		snapMode: "both",
2072		snapTolerance: 20,
2073		stack: false,
2074		zIndex: false,
2075
2076		// Callbacks
2077		drag: null,
2078		start: null,
2079		stop: null
2080	},
2081	_create: function() {
2082
2083		if ( this.options.helper === "original" ) {
2084			this._setPositionRelative();
2085		}
2086		if ( this.options.addClasses ) {
2087			this._addClass( "ui-draggable" );
2088		}
2089		this._setHandleClassName();
2090
2091		this._mouseInit();
2092	},
2093
2094	_setOption: function( key, value ) {
2095		this._super( key, value );
2096		if ( key === "handle" ) {
2097			this._removeHandleClassName();
2098			this._setHandleClassName();
2099		}
2100	},
2101
2102	_destroy: function() {
2103		if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) {
2104			this.destroyOnClear = true;
2105			return;
2106		}
2107		this._removeHandleClassName();
2108		this._mouseDestroy();
2109	},
2110
2111	_mouseCapture: function( event ) {
2112		var o = this.options;
2113
2114		// Among others, prevent a drag on a resizable-handle
2115		if ( this.helper || o.disabled ||
2116				$( event.target ).closest( ".ui-resizable-handle" ).length > 0 ) {
2117			return false;
2118		}
2119
2120		//Quit if we're not on a valid handle
2121		this.handle = this._getHandle( event );
2122		if ( !this.handle ) {
2123			return false;
2124		}
2125
2126		this._blurActiveElement( event );
2127
2128		this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix );
2129
2130		return true;
2131
2132	},
2133
2134	_blockFrames: function( selector ) {
2135		this.iframeBlocks = this.document.find( selector ).map( function() {
2136			var iframe = $( this );
2137
2138			return $( "<div>" )
2139				.css( "position", "absolute" )
2140				.appendTo( iframe.parent() )
2141				.outerWidth( iframe.outerWidth() )
2142				.outerHeight( iframe.outerHeight() )
2143				.offset( iframe.offset() )[ 0 ];
2144		} );
2145	},
2146
2147	_unblockFrames: function() {
2148		if ( this.iframeBlocks ) {
2149			this.iframeBlocks.remove();
2150			delete this.iframeBlocks;
2151		}
2152	},
2153
2154	_blurActiveElement: function( event ) {
2155		var activeElement = $.ui.safeActiveElement( this.document[ 0 ] ),
2156			target = $( event.target );
2157
2158		// Don't blur if the event occurred on an element that is within
2159		// the currently focused element
2160		// See #10527, #12472
2161		if ( target.closest( activeElement ).length ) {
2162			return;
2163		}
2164
2165		// Blur any element that currently has focus, see #4261
2166		$.ui.safeBlur( activeElement );
2167	},
2168
2169	_mouseStart: function( event ) {
2170
2171		var o = this.options;
2172
2173		//Create and append the visible helper
2174		this.helper = this._createHelper( event );
2175
2176		this._addClass( this.helper, "ui-draggable-dragging" );
2177
2178		//Cache the helper size
2179		this._cacheHelperProportions();
2180
2181		//If ddmanager is used for droppables, set the global draggable
2182		if ( $.ui.ddmanager ) {
2183			$.ui.ddmanager.current = this;
2184		}
2185
2186		/*
2187		 * - Position generation -
2188		 * This block generates everything position related - it's the core of draggables.
2189		 */
2190
2191		//Cache the margins of the original element
2192		this._cacheMargins();
2193
2194		//Store the helper's css position
2195		this.cssPosition = this.helper.css( "position" );
2196		this.scrollParent = this.helper.scrollParent( true );
2197		this.offsetParent = this.helper.offsetParent();
2198		this.hasFixedAncestor = this.helper.parents().filter( function() {
2199				return $( this ).css( "position" ) === "fixed";
2200			} ).length > 0;
2201
2202		//The element's absolute position on the page minus margins
2203		this.positionAbs = this.element.offset();
2204		this._refreshOffsets( event );
2205
2206		//Generate the original position
2207		this.originalPosition = this.position = this._generatePosition( event, false );
2208		this.originalPageX = event.pageX;
2209		this.originalPageY = event.pageY;
2210
2211		//Adjust the mouse offset relative to the helper if "cursorAt" is supplied
2212		if ( o.cursorAt ) {
2213			this._adjustOffsetFromHelper( o.cursorAt );
2214		}
2215
2216		//Set a containment if given in the options
2217		this._setContainment();
2218
2219		//Trigger event + callbacks
2220		if ( this._trigger( "start", event ) === false ) {
2221			this._clear();
2222			return false;
2223		}
2224
2225		//Recache the helper size
2226		this._cacheHelperProportions();
2227
2228		//Prepare the droppable offsets
2229		if ( $.ui.ddmanager && !o.dropBehaviour ) {
2230			$.ui.ddmanager.prepareOffsets( this, event );
2231		}
2232
2233		// Execute the drag once - this causes the helper not to be visible before getting its
2234		// correct position
2235		this._mouseDrag( event, true );
2236
2237		// If the ddmanager is used for droppables, inform the manager that dragging has started
2238		// (see #5003)
2239		if ( $.ui.ddmanager ) {
2240			$.ui.ddmanager.dragStart( this, event );
2241		}
2242
2243		return true;
2244	},
2245
2246	_refreshOffsets: function( event ) {
2247		this.offset = {
2248			top: this.positionAbs.top - this.margins.top,
2249			left: this.positionAbs.left - this.margins.left,
2250			scroll: false,
2251			parent: this._getParentOffset(),
2252			relative: this._getRelativeOffset()
2253		};
2254
2255		this.offset.click = {
2256			left: event.pageX - this.offset.left,
2257			top: event.pageY - this.offset.top
2258		};
2259	},
2260
2261	_mouseDrag: function( event, noPropagation ) {
2262
2263		// reset any necessary cached properties (see #5009)
2264		if ( this.hasFixedAncestor ) {
2265			this.offset.parent = this._getParentOffset();
2266		}
2267
2268		//Compute the helpers position
2269		this.position = this._generatePosition( event, true );
2270		this.positionAbs = this._convertPositionTo( "absolute" );
2271
2272		//Call plugins and callbacks and use the resulting position if something is returned
2273		if ( !noPropagation ) {
2274			var ui = this._uiHash();
2275			if ( this._trigger( "drag", event, ui ) === false ) {
2276				this._mouseUp( new $.Event( "mouseup", event ) );
2277				return false;

2278			}
2279			this.position = ui.position;
2280		}
2281
2282		this.helper[ 0 ].style.left = this.position.left + "px";
2283		this.helper[ 0 ].style.top = this.position.top + "px";
2284
2285		if ( $.ui.ddmanager ) {
2286			$.ui.ddmanager.drag( this, event );
2287		}
2288
2289		return false;
2290	},
2291
2292	_mouseStop: function( event ) {
2293
2294		//If we are using droppables, inform the manager about the drop
2295		var that = this,
2296			dropped = false;
2297		if ( $.ui.ddmanager && !this.options.dropBehaviour ) {
2298			dropped = $.ui.ddmanager.drop( this, event );
2299		}
2300
2301		//if a drop comes from outside (a sortable)
2302		if ( this.dropped ) {
2303			dropped = this.dropped;
2304			this.dropped = false;
2305		}
2306
2307		if ( ( this.options.revert === "invalid" && !dropped ) ||
2308				( this.options.revert === "valid" && dropped ) ||
2309				this.options.revert === true || ( typeof this.options.revert === "function" &&
2310				this.options.revert.call( this.element, dropped ) )
2311		) {
2312			$( this.helper ).animate(
2313				this.originalPosition,
2314				parseInt( this.options.revertDuration, 10 ),
2315				function() {
2316					if ( that._trigger( "stop", event ) !== false ) {
2317						that._clear();
2318					}
2319				}
2320			);
2321		} else {
2322			if ( this._trigger( "stop", event ) !== false ) {
2323				this._clear();
2324			}
2325		}
2326
2327		return false;
2328	},
2329
2330	_mouseUp: function( event ) {
2331		this._unblockFrames();
2332
2333		// If the ddmanager is used for droppables, inform the manager that dragging has stopped
2334		// (see #5003)
2335		if ( $.ui.ddmanager ) {
2336			$.ui.ddmanager.dragStop( this, event );
2337		}
2338
2339		// Only need to focus if the event occurred on the draggable itself, see #10527
2340		if ( this.handleElement.is( event.target ) ) {
2341
2342			// The interaction is over; whether or not the click resulted in a drag,
2343			// focus the element
2344			this.element.trigger( "focus" );
2345		}
2346
2347		return $.ui.mouse.prototype._mouseUp.call( this, event );
2348	},
2349
2350	cancel: function() {
2351
2352		if ( this.helper.is( ".ui-draggable-dragging" ) ) {
2353			this._mouseUp( new $.Event( "mouseup", { target: this.element[ 0 ] } ) );
2354		} else {
2355			this._clear();
2356		}
2357
2358		return this;
2359
2360	},
2361
2362	_getHandle: function( event ) {
2363		return this.options.handle ?
2364			!!$( event.target ).closest( this.element.find( this.options.handle ) ).length :
2365			true;
2366	},
2367
2368	_setHandleClassName: function() {
2369		this.handleElement = this.options.handle ?
2370			this.element.find( this.options.handle ) : this.element;
2371		this._addClass( this.handleElement, "ui-draggable-handle" );
2372	},
2373
2374	_removeHandleClassName: function() {
2375		this._removeClass( this.handleElement, "ui-draggable-handle" );
2376	},
2377
2378	_createHelper: function( event ) {
2379
2380		var o = this.options,
2381			helperIsFunction = typeof o.helper === "function",
2382			helper = helperIsFunction ?
2383				$( o.helper.apply( this.element[ 0 ], [ event ] ) ) :
2384				( o.helper === "clone" ?
2385					this.element.clone().removeAttr( "id" ) :
2386					this.element );
2387
2388		if ( !helper.parents( "body" ).length ) {
2389			helper.appendTo( ( o.appendTo === "parent" ?
2390				this.element[ 0 ].parentNode :
2391				o.appendTo ) );
2392		}
2393
2394		// Http://bugs.jqueryui.com/ticket/9446
2395		// a helper function can return the original element
2396		// which wouldn't have been set to relative in _create
2397		if ( helperIsFunction && helper[ 0 ] === this.element[ 0 ] ) {
2398			this._setPositionRelative();
2399		}
2400
2401		if ( helper[ 0 ] !== this.element[ 0 ] &&
2402				!( /(fixed|absolute)/ ).test( helper.css( "position" ) ) ) {
2403			helper.css( "position", "absolute" );
2404		}
2405
2406		return helper;
2407
2408	},
2409
2410	_setPositionRelative: function() {
2411		if ( !( /^(?:r|a|f)/ ).test( this.element.css( "position" ) ) ) {
2412			this.element[ 0 ].style.position = "relative";
2413		}
2414	},
2415
2416	_adjustOffsetFromHelper: function( obj ) {
2417		if ( typeof obj === "string" ) {
2418			obj = obj.split( " " );
2419		}
2420		if ( Array

2420.isArray( obj ) ) {
2421			obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 };
2422		}
2423		if ( "left" in obj ) {
2424			this.offset.click.left = obj.left + this.margins.left;
2425		}
2426		if ( "right" in obj ) {
2427			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
2428		}
2429		if ( "top" in obj ) {
2430			this.offset.click.top = obj.top + this.margins.top;
2431		}
2432		if ( "bottom" in obj ) {
2433			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
2434		}
2435	},
2436
2437	_isRootNode: function( element ) {
2438		return ( /(html|body)/i ).test( element.tagName ) || element === this.document[ 0 ];
2439	},
2440
2441	_getParentOffset: function() {
2442
2443		//Get the offsetParent and cache its position
2444		var po = this.offsetParent.offset(),
2445			document = this.document[ 0 ];
2446
2447		// This is a special case where we need to modify a offset calculated on start, since the
2448		// following happened:
2449		// 1. The position of the helper is absolute, so it's position is calculated based on the
2450		// next positioned parent
2451		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't
2452		// the document, which means that the scroll is included in the initial calculation of the
2453		// offset of the parent, and never recalculated upon drag
2454		if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== document &&
2455				$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) {
2456			po.left += this.scrollParent.scrollLeft();
2457			po.top += this.scrollParent.scrollTop();
2458		}
2459
2460		if ( this._isRootNode( this.offsetParent[ 0 ] ) ) {
2461			po = { top: 0, left: 0 };
2462		}
2463
2464		return {
2465			top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ),
2466			left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 )
2467		};
2468
2469	},
2470
2471	_getRelativeOffset: function() {
2472		if ( this.cssPosition !== "relative" ) {
2473			return { top: 0, left: 0 };
2474		}
2475
2476		var p = this.element.position(),
2477			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
2478
2479		return {
2480			top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) +
2481				( !scrollIsRootNode ? this.scrollParent.scrollTop() : 0 ),
2482			left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) +
2483				( !scrollIsRootNode ? this.scrollParent.scrollLeft() : 0 )
2484		};
2485
2486	},
2487
2488	_cacheMargins: function() {
2489		this.margins = {
2490			left: ( parseInt( this.element.css( "marginLeft" ), 10 ) || 0 ),
2491			top: ( parseInt( this.element.css( "marginTop" ), 10 ) || 0 ),
2492			right: ( parseInt( this.element.css( "marginRight" ), 10 ) || 0 ),
2493			bottom: ( parseInt( this.element.css( "marginBottom" ), 10 ) || 0 )
2494		};
2495	},
2496
2497	_cacheHelperProportions: function() {
2498		this.helperProportions = {
2499			width: this.helper.outerWidth(),
2500			height: this.helper.outerHeight()
2501		};
2502	},
2503
2504	_setContainment: function() {
2505
2506		var isUserScrollable, c, ce,
2507			o = this.options,
2508			document = this.document[ 0 ];
2509
2510		this.relativeContainer = null;
2511
2512		if ( !o.containment ) {
2513			this.containment = null;
2514			return;
2515		}
2516
2517		if ( o.containment === "window" ) {
2518			this.containment = [
2519				$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left,
2520				$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top,
2521				$( window ).scrollLeft() + $( window ).width() -
2522					this.helperProportions.width - this.margins.left,
2523				$( window ).scrollTop() +
2524					( $( window ).height() || document.body.parentNode.scrollHeight ) -
2525					this.helperProportions.height - this.margins.top
2526			];
2527			return;
2528		}
2529
2530		if ( o.containment === "document" ) {
2531			this.containment = [
2532				0,
2533				0,
2534				$( document ).width() - this.helperProportions.width - this.margins.left,
2535				( $( document ).height() || document.body.parentNode.scrollHeight ) -
2536					this.helperProportions.height - this.margins.top
2537			];
2538			return;
2539		}
2540
2541		if ( o.containment.constructor === Array ) {
2542			this.containment = o.containment;
2543			return;
2544		}
2545
2546		if ( o.containment === "parent" ) {
2547			o.containment = this.helper[ 0 ].parentNode;
2548		}
2549
2550		c = $( o.containment );
2551		ce = c[ 0 ];
2552
2553		if ( !ce ) {
2554			return;
2555		}
2556
2557		isUserScrollable = /(scroll|auto)/.test( c.css( "overflow" ) );
2558
2559		this.containment = [
2560			( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) +
2561				( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ),
2562			( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) +
2563				( parseInt( c.css( "paddingTop" ), 10 ) || 0 ),
2564			( isUserScrollable ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) -
2565				( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) -
2566				( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) -
2567				this.helperProportions.width -
2568				this.margins.left -
2569				this.margins.right,
2570			( isUserScrollable ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) -
2571				( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) -
2572				( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) -
2573				this.helperProportions.height -
2574				this.margins.top -
2575				this.margins.bottom
2576		];
2577		this.relativeContainer = c;
2578	},
2579
2580	_convertPositionTo: function( d, pos ) {
2581
2582		if ( !pos ) {
2583			pos = this.position;
2584		}
2585
2586		var mod = d === "absolute" ? 1 : -1,
2587			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] );
2588
2589		return {
2590			top: (
2591
2592				// The absolute mouse position
2593				pos.top	+
2594
2595				// Only for relative positioned nodes: Relative offset from element to offset parent
2596				this.offset.relative.top * mod +
2597
2598				// The offsetParent's offset without borders (offset + border)
2599				this.offset.parent.top * mod -
2600				( ( this.cssPosition === "fixed" ?
2601					-this.offset.scroll.top :
2602					( scrollIsRootNode ? 0 : this.offset.scroll.top ) ) * mod )
2603			),
2604			left: (
2605
2606				// The absolute mouse position
2607				pos.left +
2608
2609				// Only for relative positioned nodes: Relative offset from element to offset parent
2610				this.offset.relative.left * mod +
2611
2612				// The offsetParent's offset without borders (offset + border)
2613				this.offset.parent.left * mod	-
2614				( ( this.cssPosition === "fixed" ?
2615					-this.offset.scroll.left :
2616					( scrollIsRootNode ? 0 : this.offset.scroll.left ) ) * mod )
2617			)
2618		};
2619
2620	},
2621
2622	_generatePosition: function( event, constrainPosition ) {
2623
2624		var containment, co, top, left,
2625			o = this.options,
2626			scrollIsRootNode = this._isRootNode( this.scrollParent[ 0 ] ),
2627			pageX = event.pageX,
2628			pageY = event.pageY;
2629
2630		// Cache the scroll
2631		if ( !scrollIsRootNode || !this.offset.scroll ) {
2632			this.offset.scroll = {
2633				top: this.scrollParent.scrollTop(),
2634				left: this.scrollParent.scrollLeft()
2635			};
2636		}
2637
2638		/*
2639		 * - Position constraining -
2640		 * Constrain the position to a mix of grid, containment.
2641		 */
2642
2643		// If we are not dragging yet, we won't check for options
2644		if ( constrainPosition ) {
2645			if ( this.containment ) {
2646				if ( this.relativeContainer ) {
2647					co = this.relativeContainer.offset();
2648					containment = [
2649						this.containment[ 0 ] + co.left,
2650						this.containment[ 1 ] + co.top,
2651						this.containment[ 2 ] + co.left,
2652						this.containment[ 3 ] + co.top
2653					];
2654				} else {
2655					containment = this.containment;
2656				}
2657
2658				if ( event.pageX - this.offset.click.left < containment[ 0 ] ) {
2659					pageX = containment[ 0 ] + this.offset.click.left;
2660				}
2661				if ( event.pageY - this.offset.click.top < containment[ 1 ] ) {
2662					pageY = containment[ 1 ] + this.offset.click.top;
2663				}
2664				if ( event.pageX - this.offset.click.left > containment[ 2 ] ) {
2665					pageX = containment[ 2 ] + this.offset.click.left;
2666				}
2667				if ( event.pageY - this.offset.click.top > containment[ 3 ] ) {
2668					pageY = containment[ 3 ] + this.offset.click.top;
2669				}
2670			}
2671
2672			if ( o.grid ) {
2673
2674				//Check for grid elements set to 0 to prevent divide by 0 error causing invalid
2675				// argument errors in IE (see ticket #6950)
2676				top = o.grid[ 1 ] ? this.originalPageY + Math.round( ( pageY -
2677					this.originalPageY ) / o.grid[ 1 ] ) * o.grid[ 1 ] : this.originalPageY;
2678				pageY = containment ? ( ( top - this.offset.click.top >= containment[ 1 ] ||
2679					top - this.offset.click.top > containment[ 3 ] ) ?
2680						top :
2681						( ( top - this.offset.click.top >= containment[ 1 ] ) ?
2682							top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : top;
2683
2684				left = o.grid[ 0 ] ? this.originalPageX +
2685					Math.round( ( pageX - this.originalPageX ) / o.grid[ 0 ] ) * o.grid[ 0 ] :
2686					this.originalPageX;
2687				pageX = containment ? ( ( left - this.offset.click.left >= containment[ 0 ] ||
2688					left - this.offset.click.left > containment[ 2 ] ) ?
2689						left :
2690						( ( left - this.offset.click.left >= containment[ 0 ] ) ?
2691							left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : left;
2692			}
2693
2694			if ( o.axis === "y" ) {
2695				pageX = this.originalPageX;
2696			}
2697
2698			if ( o.axis === "x" ) {
2699				pageY = this.originalPageY;
2700			}
2701		}
2702
2703		return {
2704			top: (
2705
2706				// The absolute mouse position
2707				pageY -
2708
2709				// Click offset (relative to the element)
2710				this.offset.click.top -
2711
2712				// Only for relative positioned nodes: Relative offset from element to offset parent
2713				this.offset.relative.top -
2714
2715				// The offsetParent's offset without borders (offset + border)
2716				this.offset.parent.top +
2717				( this.cssPosition === "fixed" ?
2718					-this.offset.scroll.top :
2719					( scrollIsRootNode ? 0 : this.offset.scroll.top ) )
2720			),
2721			left: (
2722
2723				// The absolute mouse position
2724				pageX -
2725
2726				// Click offset (relative to the element)
2727				this.offset.click.left -
2728
2729				// Only for relative positioned nodes: Relative offset from element to offset parent
2730				this.offset.relative.left -
2731
2732				// The offsetParent's offset without borders (offset + border)
2733				this.offset.parent.left +
2734				( this.cssPosition === "fixed" ?
2735					-this.offset.scroll.left :
2736					( scrollIsRootNode ? 0 : this.offset.scroll.left ) )
2737			)
2738		};
2739
2740	},
2741
2742	_clear: function() {
2743		this._removeClass( this.helper, "ui-draggable-dragging" );
2744		if ( this.helper[ 0 ] !== this.element[ 0 ] && !this.cancelHelperRemoval ) {
2745			this.helper.remove();
2746		}
2747		this.helper = null;
2748		this.cancelHelperRemoval = false;
2749		if ( this.destroyOnClear ) {
2750			this.destroy();
2751		}
2752	},
2753
2754	// From now on bulk stuff - mainly helpers
2755
2756	_trigger: function( type, event, ui ) {
2757		ui = ui || this._uiHash();
2758		$.ui.plugin.call( this, type, [ event, ui, this ], true );
2759
2760		// Absolute position and offset (see #6884 ) have to be recalculated after plugins
2761		if ( /^(drag|start|stop)/.test( type ) ) {
2762			this.positionAbs = this._convertPositionTo( "absolute" );
2763			ui.offset = this.positionAbs;
2764		}
2765		return $.Widget.prototype._trigger.call( this, type, event, ui );
2766	},
2767
2768	plugins: {},
2769
2770	_uiHash: function() {
2771		return {
2772			helper: this.helper,
2773			position: this.position,
2774			originalPosition: this.originalPosition,
2775			offset: this.positionAbs
2776		};
2777	}
2778
2779} );
2780
2781$.ui.plugin.add( "draggable", "connectToSortable", {
2782	start: function( event, ui, draggable ) {
2783		var uiSortable = $.extend( {}, ui, {
2784			item: draggable.element
2785		} );
2786
2787		draggable.sortables = [];
2788		$( draggable.options.connectToSortable ).each( function() {
2789			var sortable = $( this ).sortable( "instance" );
2790
2791			if ( sortable && !sortable.options.disabled ) {
2792				draggable.sortables.push( sortable );
2793
2794				// RefreshPositions is called at drag start to refresh the containerCache
2795				// which is used in drag. This ensures it's initialized and synchronized
2796				// with any changes that might have happened on the page since initialization.
2797				sortable.refreshPositions();
2798				sortable._trigger( "activate", event, uiSortable );
2799			}
2800		} );
2801	},
2802	stop: function( event, ui, draggable ) {
2803		var uiSortable = $.extend( {}, ui, {
2804			item: draggable.element
2805		} );
2806
2807		draggable.cancelHelperRemoval = false;
2808
2809		$.each( draggable.sortables, function() {
2810			var sortable = this;
2811
2812			if ( sortable.isOver ) {
2813				sortable.isOver = 0;
2814
2815				// Allow this sortable to handle removing the helper
2816				draggable.cancelHelperRemoval = true;
2817				sortable.cancelHelperRemoval = false;
2818
2819				// Use _storedCSS To restore properties in the sortable,
2820				// as this also handles revert (#9675) since the draggable
2821				// may have modified them in unexpected ways (#8809)
2822				sortable._storedCSS = {
2823					position: sortable.placeholder.css( "position" ),
2824					top: sortable.placeholder.css( "top" ),
2825					left: sortable.placeholder.css( "left" )
2826				};
2827
2828				sortable._mouseStop( event );
2829
2830				// Once drag has ended, the sortable should return to using
2831				// its original helper, not the shared helper from draggable
2832				sortable.options.helper = sortable.options._helper;
2833			} else {
2834
2835				// Prevent this Sortable from removing the helper.
2836				// However, don't set the draggable to remove the helper
2837				// either as another connected Sortable may yet handle the removal.
2838				sortable.cancelHelperRemoval = true;
2839
2840				sortable._trigger( "deactivate", event, uiSortable );
2841			}
2842		} );
2843	},
2844	drag: function( event, ui, draggable ) {
2845		$.each( draggable.sortables, function() {
2846			var innermostIntersecting = false,
2847				sortable = this;
2848
2849			// Copy over variables that sortable's _intersectsWith uses
2850			sortable.positionAbs = draggable.positionAbs;
2851			sortable.helperProportions = draggable.helperProportions;
2852			sortable.offset.click = draggable.offset.click;
2853
2854			if ( sortable._intersectsWith( sortable.containerCache ) ) {
2855				innermostIntersecting = true;
2856
2857				$.each( draggable.sortables, function() {
2858
2859					// Copy over variables that sortable's _intersectsWith uses
2860					this.positionAbs = draggable.positionAbs;
2861					this.helperProportions = draggable.helperProportions;
2862					this.offset.click = draggable.offset.click;
2863
2864					if ( this !== sortable &&
2865							this._intersectsWith( this.containerCache ) &&
2866							$.contains( sortable.element[ 0 ], this.element[ 0 ] ) ) {
2867						innermostIntersecting = false;
2868					}
2869
2870					return innermostIntersecting;
2871				} );
2872			}
2873
2874			if ( innermostIntersecting ) {
2875
2876				// If it intersects, we use a little isOver variable and set it once,
2877				// so that the move-in stuff gets fired only once.
2878				if ( !sortable.isOver ) {
2879					sortable.isOver = 1;
2880
2881					// Store draggable's parent in case we need to reappend to it later.
2882					draggable._parent = ui.helper.parent();
2883
2884					sortable.currentItem = ui.helper
2885						.appendTo( sortable.element )
2886						.data( "ui-sortable-item", true );
2887
2888					// Store helper option to later restore it
2889					sortable.options._helper = sortable.options.helper;
2890
2891					sortable.options.helper = function() {
2892						return ui.helper[ 0 ];
2893					};
2894
2895					// Fire the start events of the sortable with our passed browser event,
2896					// and our own helper (so it doesn't create a new one)
2897					event.target = sortable.currentItem[ 0 ];
2898					sortable._mouseCapture( event, true );
2899					sortable._mouseStart( event, true, true );
2900