scala-news-reader

jquery.ui.widget.js

(15323B)

 /*
  * jQuery UI Widget 1.10.3+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();
 			});
 		}
 	};
 });
 
 }));