https://www.ppzhan.com/NewShowStand/Js/jqfileupload/jquery.ui.widget.js?v=18

1/*! jQuery UI - v1.12.1+CommonJS - 2018-02-10
2 * http://jqueryui.com
3 * Includes: widget.js
4 * Copyright jQuery Foundation and other contributors; Licensed MIT */
5
6(function( factory ) {
7  // if ( typeof define === "function" && define.amd ) {
8
9  //   // AMD. Register as an anonymous module.
10  //   define([ "jquery" ], factory );
11  // } else if ( typeof exports === "object" ) {
12
13  //   // Node/CommonJS
14  //   factory( require( "jquery" ) );
15  // } else {
16
17  //   // Browser globals
18  //   factory( jQuery );
19  // }
20
21  'use strict';
22  // 获取全局对象（浏览器为 window，Node.js 为 global）
23  var globalObj = typeof window !== 'undefined' ? window : global;
24  
25  // 显式检查全局对象中的 define
26  if (typeof globalObj.define === 'function' && globalObj.define.amd) {
27    // 作为匿名 AMD 模块注册
28    globalObj.define('jquery.ui.widget',['jquery'], factory);
29  } else if (typeof exports === 'object') {
30    // Node/CommonJS 环境
31    factory(require('jquery'));
32  } else {
33    // 浏览器全局环境
34    factory(globalObj.jQuery);
35  }
36}(function( $ ) {
37
38  $.ui = $.ui || {};
39
40  var version = $.ui.version = "1.12.1";
41
42
43  /*!
44   * jQuery UI Widget 1.12.1
45   * http://jqueryui.com
46   *
47   * Copyright jQuery Foundation and other contributors
48   * Released under the MIT license.
49   * http://jquery.org/license
50   */
51
52  //>>label: Widget
53  //>>group: Core
54  //>>description: Provides a factory for creating stateful widgets with a common API.
55  //>>docs: http://api.jqueryui.com/jQuery.widget/
56  //>>demos: http://jqueryui.com/widget/
57
58
59
60  var widgetUuid = 0;
61  var widgetSlice = Array.prototype.slice;
62
63  $.cleanData = ( function( orig ) {
64    return function( elems ) {
65      var events, elem, i;
66      for ( i = 0; ( elem = elems[ i ] ) != null; i++ ) {
67        try {
68
69          // Only trigger remove when necessary to save time
70          events = $._data( elem, "events" );
71          if ( events && events.remove ) {
72            $( elem ).triggerHandler( "remove" );
73          }
74
75          // Http://bugs.jquery.com/ticket/8235
76        } catch ( e ) {}
77      }
78      orig( elems );
79    };
80  } )( $.cleanData );
81
82  $.widget = function( name, base, prototype ) {
83    var existingConstructor, constructor, basePrototype;
84
85    // ProxiedPrototype allows the provided prototype to remain unmodified
86    // so that it can be used as a mixin for multiple widgets (#8876)
87    var proxiedPrototype = {};
88
89    var namespace = name.split( "." )[ 0 ];
90    name = name.split( "." )[ 1 ];
91    var fullName = namespace + "-" + name;
92
93    if ( !prototype ) {
94      prototype = base;
95      base = $.Widget;
96    }
97
98    if ( $.isArray( prototype ) ) {
99      prototype = $.extend.apply( null, [ {} ].concat( prototype ) );
100    }
101
102    // Create selector for plugin
103    $.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
104      return !!$.data( elem, fullName );
105    };
106
107    $[ namespace ] = $[ namespace ] || {};
108    existingConstructor = $[ namespace ][ name ];
109    constructor = $[ namespace ][ name ] = function( options, element ) {
110
111      // Allow instantiation without "new" keyword
112      if ( !this._createWidget ) {
113        return new constructor( options, element );
114      }
115
116      // Allow instantiation without initializing for simple inheritance
117      // must use "new" keyword (the code above always passes args)
118      if ( arguments.length ) {
119        this._createWidget( options, element );
120      }
121    };
122
123    // Extend with the existing constructor to carry over any static properties
124    $.extend( constructor, existingConstructor, {
125      version: prototype.version,
126
127      // Copy the object used to create the prototype in case we need to
128      // redefine the widget later
129      _proto: $.extend( {}, prototype ),
130
131      // Track widgets that inherit from this widget in case this widget is
132      // redefined after a widget inherits from it
133      _childConstructors: []
134    } );
135
136    basePrototype = new base();
137
138    // We need to make the options hash a property directly on the new instance
139    // otherwise we'll modify the options hash on the prototype that we're
140    // inheriting from
141    basePrototype.options = $.widget.extend( {}, basePrototype.options );
142    $.each( prototype, function( prop, value ) {
143      if ( !$.isFunction( value ) ) {
144        proxiedPrototype[ prop ] = value;
145        return;
146      }
147      proxiedPrototype[ prop ] = ( function() {
148        function _super() {
149          return base.prototype[ prop ].apply( this, arguments );
150        }
151
152        function _superApply( args ) {
153          return base.prototype[ prop ].apply( this, args );
154        }
155
156        return function() {
157          var __mmsuper = this._super;
158          var __mmsuperApply = this._superApply;
159          var returnValue;
160
161          this._super = _super;
162          this._superApply = _superApply;
163
164          returnValue = value.apply( this, arguments );
165
166          this._super = __mmsuper;
167          this._superApply = __mmsuperApply;
168
169          return returnValue;
170        };
171      } )();
172    } );
173    constructor.prototype = $.widget.extend( basePrototype, {
174
175      // TODO: remove support for widgetEventPrefix
176      // always use the name + a colon as the prefix, e.g., draggable:start
177      // don't prefix for widgets that aren't DOM-based
178      widgetEventPrefix: existingConstructor ? ( basePrototype.widgetEventPrefix || name ) : name
179    }, proxiedPrototype, {
180      constructor: constructor,
181      namespace: namespace,
182      widgetName: name,
183      widgetFullName: fullName
184    } );
185
186    // If this widget is being redefined then we need to find all widgets that
187    // are inheriting from it and redefine all of them so that they inherit from
188    // the new version of this widget. We're essentially trying to replace one
189    // level in the prototype chain.
190    if ( existingConstructor ) {
191      $.each( existingConstructor._childConstructors, function( i, child ) {
192        var childPrototype = child.prototype;
193
194        // Redefine the child widget using the same prototype that was
195        // originally used, but inherit from the new version of the base
196        $.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor,
197          child._proto );
198      } );
199
200      // Remove the list of existing child constructors from the old constructor
201      // so the old child constructors can be garbage collected
202      delete existingConstructor._childConstructors;
203    } else {
204      base._childConstructors.push( constructor );
205    }
206
207    $.widget.bridge( name, constructor );
208
209    return constructor;
210  };
211
212  $.widget.extend = function( target ) {
213    var input = widgetSlice.call( arguments, 1 );
214    var inputIndex = 0;
215    var inputLength = input.length;
216    var key;
217    var value;
218
219    for ( ; inputIndex < inputLength; inputIndex++ ) {
220      for ( key in input[ inputIndex ] ) {
221        value = input[ inputIndex ][ key ];
222        if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
223
224          // Clone objects
225          if ( $.isPlainObject( value ) ) {
226            target[ key ] = $.isPlainObject( target[ key ] ) ?
227              $.widget.extend( {}, target[ key ], value ) :
228
229              // Don't extend strings, arrays, etc. with objects
230              $.widget.extend( {}, value );
231
232            // Copy everything else by reference
233          } else {
234            target[ key ] = value;
235          }
236        }
237      }
238    }
239    return target;
240  };
241
242  $.widget.bridge = function( name, object ) {
243    var fullName = object.prototype.widgetFullName || name;
244    $.fn[ name ] = function( options ) {
245      var isMethodCall = typeof options === "string";
246      var args = widgetSlice.call( arguments, 1 );
247      var returnValue = this;
248
249      if ( isMethodCall ) {
250
251        // If this is an empty collection, we need to have the instance method
252        // return undefined instead of the jQuery instance
253        if ( !this.length && options === "instance" ) {
254          returnValue = undefined;
255        } else {
256          this.each( function() {
257            var methodValue;
258            var instance = $.data( this, fullName );
259
260            if ( options === "instance" ) {
261              returnValue = instance;
262              return false;
263            }
264
265            if ( !instance ) {
266              return $.error( "cannot call methods on " + name +
267                " prior to initialization; " +
268                "attempted to call method '" + options + "'" );
269            }
270
271            if ( !$.isFunction( instance[ options ] ) || options.charAt( 0 ) === "_" ) {
272              return $.error( "no such method '" + options + "' for " + name +
273                " widget instance" );
274            }
275
276            methodValue = instance[ options ].apply( instance, args );
277
278            if ( methodValue !== instance && methodValue !== undefined ) {
279              returnValue = methodValue && methodValue.jquery ?
280                returnValue.pushStack( methodValue.get() ) :
281                methodValue;
282              return false;

283            }
284          } );
285        }
286      } else {
287
288        // Allow multiple hashes to be passed on init
289        if ( args.length ) {
290          options = $.widget.extend.apply( null, [ options ].concat( args ) );
291        }
292
293        this.each( function() {
294          var instance = $.data( this, fullName );
295          if ( instance ) {
296            instance.option( options || {} );
297            if ( instance._init ) {
298              instance._init();
299            }
300          } else {
301            $.data( this, fullName, new object( options, this ) );
302          }
303        } );
304      }
305
306      return returnValue;
307    };
308  };
309
310  $.Widget = function( /* options, element */ ) {};
311  $.Widget._childConstructors = [];
312
313  $.Widget.prototype = {
314    widgetName: "widget",
315    widgetEventPrefix: "",
316    defaultElement: "<div>",
317
318    options: {
319      classes: {},
320      disabled: false,
321
322      // Callbacks
323      create: null
324    },
325
326    _createWidget: function( options, element ) {
327      element = $( element || this.defaultElement || this )[ 0 ];
328      this.element = $( element );
329      this.uuid = widgetUuid++;
330      this.eventNamespace = "." + this.widgetName + this.uuid;
331
332      this.bindings = $();
333      this.hoverable = $();
334      this.focusable = $();
335      this.classesElementLookup = {};
336
337      if ( element !== this ) {
338        $.data( element, this.widgetFullName, this );
339        this._on( true, this.element, {
340          remove: function( event ) {
341            if ( event.target === element ) {
342              this.destroy();
343            }
344          }
345        } );
346        this.document = $( element.style ?
347
348          // Element within the document
349          element.ownerDocument :
350
351          // Element is window or document
352          element.document || element );
353        this.window = $( this.document[ 0 ].defaultView || this.document[ 0 ].parentWindow );
354      }
355
356      this.options = $.widget.extend( {},
357        this.options,
358        this._getCreateOptions(),
359        options );
360
361      this._create();
362
363      if ( this.options.disabled ) {
364        this._setOptionDisabled( this.options.disabled );
365      }
366
367      this._trigger( "create", null, this._getCreateEventData() );
368      this._init();
369    },
370
371    _getCreateOptions: function() {
372      return {};
373    },
374
375    _getCreateEventData: $.noop,
376
377    _create: $.noop,
378
379    _init: $.noop,
380
381    destroy: function() {
382      var that = this;
383
384      this._destroy();
385      $.each( this.classesElementLookup, function( key, value ) {
386        that._removeClass( value, key );
387      } );
388
389      // We can probably remove the unbind calls in 2.0
390      // all event bindings should go through this._on()
391      this.element
392        .off( this.eventNamespace )
393        .removeData( this.widgetFullName );
394      this.widget()
395        .off( this.eventNamespace )
396        .removeAttr( "aria-disabled" );
397
398      // Clean up events and states
399      this.bindings.off( this.eventNamespace );
400    },
401
402    _destroy: $.noop,
403
404    widget: function() {
405      return this.element;
406    },
407
408    option: function( key, value ) {
409      var options = key;
410      var parts;
411      var curOption;
412      var i;
413
414      if ( arguments.length === 0 ) {
415
416        // Don't return a reference to the internal hash
417        return $.widget.extend( {}, this.options );
418      }
419
420      if ( typeof key === "string" ) {
421
422        // Handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
423        options = {};
424        parts = key.split( "." );
425        key = parts.shift();
426        if ( parts.length ) {
427          curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
428          for ( i = 0; i < parts.length - 1; i++ ) {
429            curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
430            curOption = curOption[ parts[ i ] ];
431          }
432          key = parts.pop();
433          if ( arguments.length === 1 ) {
434            return curOption[ key ] === undefined ? null : curOption[ key ];
435          }
436          curOption[ key ] = value;
437        } else {
438          if ( arguments.length === 1 ) {
439            return this.options[ key ] === undefined ? null : this.options[ key ];
440          }
441          options[ key ] = value;
442        }
443      }
444
445      this._setOptions( options );
446
447      return this;
448    },
449
450    _setOptions: function( options ) {
451      var key;
452
453      for ( key in options ) {
454        this._setOption( key, options[ key ] );
455      }
456
457      return this;
458    },
459
460    _setOption: function( key, value ) {
461      if ( key === "classes" ) {
462        this._setOptionClasses( value );
463      }
464
465      this.options[ key ] = value;
466
467      if ( key === "disabled" ) {
468        this._setOptionDisabled( value );
469      }
470
471      return this;
472    },
473
474    _setOptionClasses: function( value ) {
475      var classKey, elements, currentElements;
476
477      for ( classKey in value ) {
478        currentElements = this.classesElementLookup[ classKey ];
479        if ( value[ classKey ] === this.options.classes[ classKey ] ||
480          !currentElements ||
481          !currentElements.length ) {
482          continue;
483        }
484
485        // We are doing this to create a new jQuery object because the _removeClass() call

486        // on the next line is going to destroy the reference to the current elements being
487        // tracked. We need to save a copy of this collection so that we can add the new classes
488        // below.
489        elements = $( currentElements.get() );
490        this._removeClass( currentElements, classKey );
491
492        // We don't use _addClass() here, because that uses this.options.classes
493        // for generating the string of classes. We want to use the value passed in from
494        // _setOption(), this is the new value of the classes option which was passed to
495        // _setOption(). We pass this value directly to _classes().
496        elements.addClass( this._classes( {
497          element: elements,
498          keys: classKey,
499          classes: value,
500          add: true
501        } ) );
502      }
503    },
504
505    _setOptionDisabled: function( value ) {
506      this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, !!value );
507
508      // If the widget is becoming disabled, then nothing is interactive
509      if ( value ) {
510        this._removeClass( this.hoverable, null, "ui-state-hover" );
511        this._removeClass( this.focusable, null, "ui-state-focus" );
512      }
513    },
514
515    enable: function() {
516      return this._setOptions( { disabled: false } );
517    },
518
519    disable: function() {
520      return this._setOptions( { disabled: true } );
521    },
522
523    _classes: function( options ) {
524      var full = [];
525      var that = this;
526
527      options = $.extend( {
528        element: this.element,
529        classes: this.options.classes || {}
530      }, options );
531
532      function processClassString( classes, checkOption ) {
533        var current, i;
534        for ( i = 0; i < classes.length; i++ ) {
535          current = that.classesElementLookup[ classes[ i ] ] || $();
536          if ( options.add ) {
537            current = $( $.unique( current.get().concat( options.element.get() ) ) );
538          } else {
539            current = $( current.not( options.element ).get() );
540          }
541          that.classesElementLookup[ classes[ i ] ] = current;
542          full.push( classes[ i ] );
543          if ( checkOption && options.classes[ classes[ i ] ] ) {
544            full.push( options.classes[ classes[ i ] ] );
545          }
546        }
547      }
548
549      this._on( options.element, {
550        "remove": "_untrackClassesElement"
551      } );
552
553      if ( options.keys ) {
554        processClassString( options.keys.match( /\S+/g ) || [], true );
555      }
556      if ( options.extra ) {
557        processClassString( options.extra.match( /\S+/g ) || [] );
558      }
559
560      return full.join( " " );
561    },
562
563    _untrackClassesElement: function( event ) {
564      var that = this;
565      $.each( that.classesElementLookup, function( key, value ) {
566        if ( $.inArray( event.target, value ) !== -1 ) {
567          that.classesElementLookup[ key ] = $( value.not( event.target ).get() );
568        }
569      } );
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 ).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 !( $.isFunction( callback ) &&
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    $.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
724      if ( typeof options === "string" ) {
725        options = { effect: options };
726      }
727
728      var hasOptions;
729      var effectName = !options ?
730        method :
731        options === true || typeof options === "number" ?
732        defaultEffect :
733        options.effect || defaultEffect;
734
735      options = options || {};
736      if ( typeof options === "number" ) {
737        options = { duration: options };
738      }
739
740      hasOptions = !$.isEmptyObject( options );
741      options.complete = callback;
742
743      if ( options.delay ) {
744        element.delay( options.delay );
745      }
746
747      if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
748        element[ method ]( options );
749      } else if ( effectName !== method && element[ effectName ] ) {