source: admin/js/jsUpload/vendor/jquery.ui.widget.js @ 1144:4af82896ca3d

/*
 * jQuery UI Widget 1.10.1+amd
 * https://github.com/blueimp/jQuery-File-Upload
 *
 * Copyright 2013 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/jQuery.widget/
 */

(function (factory) {
    if (typeof define === "function" && define.amd) {
        // Register as an anonymous AMD module:
        define(["jquery"], factory);
    } else {
        // Browser globals:
        factory(jQuery);
    }
}(function( $, undefined ) {

var uuid = 0,
     slice = Array.prototype.slice,
     _cleanData = $.cleanData;
$.cleanData = function( elems ) {
     for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
          try {
               $( elem ).triggerHandler( "remove" );
          // http://bugs.jquery.com/ticket/8235
          } catch( e ) {}
     }
     _cleanData( elems );
};

$.widget = function( name, base, prototype ) {
     var fullName, existingConstructor, constructor, basePrototype,
          // proxiedPrototype allows the provided prototype to remain unmodified
          // so that it can be used as a mixin for multiple widgets (#8876)
          proxiedPrototype = {},
          namespace = name.split( "." )[ 0 ];

     name = name.split( "." )[ 1 ];
     fullName = namespace + "-" + name;

     if ( !prototype ) {
          prototype = base;
          base = $.Widget;
     }

     // create selector for plugin
     $.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
          return !!$.data( elem, fullName );
     };

     $[ namespace ] = $[ namespace ] || {};
     existingConstructor = $[ namespace ][ name ];
     constructor = $[ namespace ][ name ] = function( options, element ) {
          // allow instantiation without "new" keyword
          if ( !this._createWidget ) {
               return new constructor( options, element );
          }

          // allow instantiation without initializing for simple inheritance
          // must use "new" keyword (the code above always passes args)
          if ( arguments.length ) {
               this._createWidget( options, element );
          }
     };
     // extend with the existing constructor to carry over any static properties
     $.extend( constructor, existingConstructor, {
          version: prototype.version,
          // copy the object used to create the prototype in case we need to
          // redefine the widget later
          _proto: $.extend( {}, prototype ),
          // track widgets that inherit from this widget in case this widget is
          // redefined after a widget inherits from it
          _childConstructors: []
     });

     basePrototype = new base();
     // we need to make the options hash a property directly on the new instance
     // otherwise we'll modify the options hash on the prototype that we're
     // inheriting from
     basePrototype.options = $.widget.extend( {}, basePrototype.options );
     $.each( prototype, function( prop, value ) {
          if ( !$.isFunction( value ) ) {
               proxiedPrototype[ prop ] = value;
               return;
          }
          proxiedPrototype[ prop ] = (function() {
               var _super = function() {
                         return base.prototype[ prop ].apply( this, arguments );
                    },
                    _superApply = function( args ) {
                         return base.prototype[ prop ].apply( this, args );
                    };
               return function() {
                    var __super = this._super,
                         __superApply = this._superApply,
                         returnValue;

                    this._super = _super;
                    this._superApply = _superApply;

                    returnValue = value.apply( this, arguments );

                    this._super = __super;
                    this._superApply = __superApply;

                    return returnValue;
               };
          })();
     });
     constructor.prototype = $.widget.extend( basePrototype, {
          // TODO: remove support for widgetEventPrefix
          // always use the name + a colon as the prefix, e.g., draggable:start
          // don't prefix for widgets that aren't DOM-based
          widgetEventPrefix: existingConstructor ? basePrototype.widgetEventPrefix : name
     }, proxiedPrototype, {
          constructor: constructor,
          namespace: namespace,
          widgetName: name,
          widgetFullName: fullName
     });

     // If this widget is being redefined then we need to find all widgets that
     // are inheriting from it and redefine all of them so that they inherit from
     // the new version of this widget. We're essentially trying to replace one
     // level in the prototype chain.
     if ( existingConstructor ) {
          $.each( existingConstructor._childConstructors, function( i, child ) {
               var childPrototype = child.prototype;

               // redefine the child widget using the same prototype that was
               // originally used, but inherit from the new version of the base
               $.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor, child._proto );
          });
          // remove the list of existing child constructors from the old constructor
          // so the old child constructors can be garbage collected
          delete existingConstructor._childConstructors;
     } else {
          base._childConstructors.push( constructor );
     }

     $.widget.bridge( name, constructor );
};

$.widget.extend = function( target ) {
     var input = slice.call( arguments, 1 ),
          inputIndex = 0,
          inputLength = input.length,
          key,
          value;
     for ( ; inputIndex < inputLength; inputIndex++ ) {
          for ( key in input[ inputIndex ] ) {
               value = input[ inputIndex ][ key ];
               if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
                    // Clone objects
                    if ( $.isPlainObject( value ) ) {
                         target[ key ] = $.isPlainObject( target[ key ] ) ?
                              $.widget.extend( {}, target[ key ], value ) :
                              // Don't extend strings, arrays, etc. with objects
                              $.widget.extend( {}, value );
                    // Copy everything else by reference
                    } else {
                         target[ key ] = value;
                    }
               }
          }
     }
     return target;
};

$.widget.bridge = function( name, object ) {
     var fullName = object.prototype.widgetFullName || name;
     $.fn[ name ] = function( options ) {
          var isMethodCall = typeof options === "string",
               args = slice.call( arguments, 1 ),
               returnValue = this;

          // allow multiple hashes to be passed on init
          options = !isMethodCall && args.length ?
               $.widget.extend.apply( null, [ options ].concat(args) ) :
               options;

          if ( isMethodCall ) {
               this.each(function() {
                    var methodValue,
                         instance = $.data( this, fullName );
                    if ( !instance ) {
                         return $.error( "cannot call methods on " + name + " prior to initialization; " +
                              "attempted to call method '" + options + "'" );
                    }
                    if ( !$.isFunction( instance[options] ) || options.charAt( 0 ) === "_" ) {
                         return $.error( "no such method '" + options + "' for " + name + " widget instance" );
                    }
                    methodValue = instance[ options ].apply( instance, args );
                    if ( methodValue !== instance && methodValue !== undefined ) {
                         returnValue = methodValue && methodValue.jquery ?
                              returnValue.pushStack( methodValue.get() ) :
                              methodValue;
                         return false;
                    }
               });
          } else {
               this.each(function() {
                    var instance = $.data( this, fullName );
                    if ( instance ) {
                         instance.option( options || {} )._init();
                    } else {
                         $.data( this, fullName, new object( options, this ) );
                    }
               });
          }

          return returnValue;
     };
};

$.Widget = function( /* options, element */ ) {};
$.Widget._childConstructors = [];

$.Widget.prototype = {
     widgetName: "widget",
     widgetEventPrefix: "",
     defaultElement: "<div>",
     options: {
          disabled: false,

          // callbacks
          create: null
     },
     _createWidget: function( options, element ) {
          element = $( element || this.defaultElement || this )[ 0 ];
          this.element = $( element );
          this.uuid = uuid++;
          this.eventNamespace = "." + this.widgetName + this.uuid;
          this.options = $.widget.extend( {},
               this.options,
               this._getCreateOptions(),
               options );

          this.bindings = $();
          this.hoverable = $();
          this.focusable = $();

          if ( element !== this ) {
               $.data( element, this.widgetFullName, this );
               this._on( true, this.element, {
                    remove: function( event ) {
                         if ( event.target === element ) {
                              this.destroy();
                         }
                    }
               });
               this.document = $( element.style ?
                    // element within the document
                    element.ownerDocument :
                    // element is window or document
                    element.document || element );
               this.window = $( this.document[0].defaultView || this.document[0].parentWindow );
          }

          this._create();
          this._trigger( "create", null, this._getCreateEventData() );
          this._init();
     },
     _getCreateOptions: $.noop,
     _getCreateEventData: $.noop,
     _create: $.noop,
     _init: $.noop,

     destroy: function() {
          this._destroy();
          // we can probably remove the unbind calls in 2.0
          // all event bindings should go through this._on()
          this.element
               .unbind( this.eventNamespace )
               // 1.9 BC for #7810
               // TODO remove dual storage
               .removeData( this.widgetName )
               .removeData( this.widgetFullName )
               // support: jquery <1.6.3
               // http://bugs.jquery.com/ticket/9413
               .removeData( $.camelCase( this.widgetFullName ) );
          this.widget()
               .unbind( this.eventNamespace )
               .removeAttr( "aria-disabled" )
               .removeClass(
                    this.widgetFullName + "-disabled " +
                    "ui-state-disabled" );

          // clean up events and states
          this.bindings.unbind( this.eventNamespace );
          this.hoverable.removeClass( "ui-state-hover" );
          this.focusable.removeClass( "ui-state-focus" );
     },
     _destroy: $.noop,

     widget: function() {
          return this.element;
     },

     option: function( key, value ) {
          var options = key,
               parts,
               curOption,
               i;

          if ( arguments.length === 0 ) {
               // don't return a reference to the internal hash
               return $.widget.extend( {}, this.options );
          }

          if ( typeof key === "string" ) {
               // handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
               options = {};
               parts = key.split( "." );
               key = parts.shift();
               if ( parts.length ) {
                    curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
                    for ( i = 0; i < parts.length - 1; i++ ) {
                         curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
                         curOption = curOption[ parts[ i ] ];
                    }
                    key = parts.pop();
                    if ( value === undefined ) {
                         return curOption[ key ] === undefined ? null : curOption[ key ];
                    }
                    curOption[ key ] = value;
               } else {
                    if ( value === undefined ) {
                         return this.options[ key ] === undefined ? null : this.options[ key ];
                    }
                    options[ key ] = value;
               }
          }

          this._setOptions( options );

          return this;
     },
     _setOptions: function( options ) {
          var key;

          for ( key in options ) {
               this._setOption( key, options[ key ] );
          }

          return this;
     },
     _setOption: function( key, value ) {
          this.options[ key ] = value;

          if ( key === "disabled" ) {
               this.widget()
                    .toggleClass( this.widgetFullName + "-disabled ui-state-disabled", !!value )
                    .attr( "aria-disabled", value );
               this.hoverable.removeClass( "ui-state-hover" );
               this.focusable.removeClass( "ui-state-focus" );
          }

          return this;
     },

     enable: function() {
          return this._setOption( "disabled", false );
     },
     disable: function() {
          return this._setOption( "disabled", true );
     },

     _on: function( suppressDisabledCheck, element, handlers ) {
          var delegateElement,
               instance = this;

          // no suppressDisabledCheck flag, shuffle arguments
          if ( typeof suppressDisabledCheck !== "boolean" ) {
               handlers = element;
               element = suppressDisabledCheck;
               suppressDisabledCheck = false;
          }

          // no element argument, shuffle and use this.element
          if ( !handlers ) {
               handlers = element;
               element = this.element;
               delegateElement = this.widget();
          } else {
               // accept selectors, DOM elements
               element = delegateElement = $( element );
               this.bindings = this.bindings.add( element );
          }

          $.each( handlers, function( event, handler ) {
               function handlerProxy() {
                    // allow widgets to customize the disabled handling
                    // - disabled as an array instead of boolean
                    // - disabled class as method for disabling individual parts
                    if ( !suppressDisabledCheck &&
                              ( instance.options.disabled === true ||
                                   $( this ).hasClass( "ui-state-disabled" ) ) ) {
                         return;
                    }
                    return ( typeof handler === "string" ? instance[ handler ] : handler )
                         .apply( instance, arguments );
               }

               // copy the guid so direct unbinding works
               if ( typeof handler !== "string" ) {
                    handlerProxy.guid = handler.guid =
                         handler.guid || handlerProxy.guid || $.guid++;
               }

               var match = event.match( /^(\w+)\s*(.*)$/ ),
                    eventName = match[1] + instance.eventNamespace,
                    selector = match[2];
               if ( selector ) {
                    delegateElement.delegate( selector, eventName, handlerProxy );
               } else {
                    element.bind( eventName, handlerProxy );
               }
          });
     },

     _off: function( element, eventName ) {
          eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) + this.eventNamespace;
          element.unbind( eventName ).undelegate( eventName );
     },

     _delay: function( handler, delay ) {
          function handlerProxy() {
               return ( typeof handler === "string" ? instance[ handler ] : handler )
                    .apply( instance, arguments );
          }
          var instance = this;
          return setTimeout( handlerProxy, delay || 0 );
     },

     _hoverable: function( element ) {
          this.hoverable = this.hoverable.add( element );
          this._on( element, {
               mouseenter: function( event ) {
                    $( event.currentTarget ).addClass( "ui-state-hover" );
               },
               mouseleave: function( event ) {
                    $( event.currentTarget ).removeClass( "ui-state-hover" );
               }
          });
     },

     _focusable: function( element ) {
          this.focusable = this.focusable.add( element );
          this._on( element, {
               focusin: function( event ) {
                    $( event.currentTarget ).addClass( "ui-state-focus" );
               },
               focusout: function( event ) {
                    $( event.currentTarget ).removeClass( "ui-state-focus" );
               }
          });
     },

     _trigger: function( type, event, data ) {
          var prop, orig,
               callback = this.options[ type ];

          data = data || {};
          event = $.Event( event );
          event.type = ( type === this.widgetEventPrefix ?
               type :
               this.widgetEventPrefix + type ).toLowerCase();
          // the original event may come from any element
          // so we need to reset the target on the new event
          event.target = this.element[ 0 ];

          // copy original event properties over to the new event
          orig = event.originalEvent;
          if ( orig ) {
               for ( prop in orig ) {
                    if ( !( prop in event ) ) {
                         event[ prop ] = orig[ prop ];
                    }
               }
          }

          this.element.trigger( event, data );
          return !( $.isFunction( callback ) &&
               callback.apply( this.element[0], [ event ].concat( data ) ) === false ||
               event.isDefaultPrevented() );
     }
};

$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
     $.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
          if ( typeof options === "string" ) {
               options = { effect: options };
          }
          var hasOptions,
               effectName = !options ?
                    method :
                    options === true || typeof options === "number" ?
                         defaultEffect :
                         options.effect || defaultEffect;
          options = options || {};
          if ( typeof options === "number" ) {
               options = { duration: options };
          }
          hasOptions = !$.isEmptyObject( options );
          options.complete = callback;
          if ( options.delay ) {
               element.delay( options.delay );
          }
          if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
               element[ method ]( options );
          } else if ( effectName !== method && element[ effectName ] ) {
               element[ effectName ]( options.duration, options.easing, callback );
          } else {
               element.queue(function( next ) {
                    $( this )[ method ]();
                    if ( callback ) {
                         callback.call( element[ 0 ] );
                    }
                    next();
               });
          }
     };
});

}));