Date picker and bylines for platforms`
[bus.git] / busui / js / jquery.ui.widget.js
blob:a/busui/js/jquery.ui.widget.js -> blob:b/busui/js/jquery.ui.widget.js
--- a/busui/js/jquery.ui.widget.js
+++ b/busui/js/jquery.ui.widget.js
@@ -1,1 +1,324 @@
-
+/*!
+ * jQuery UI Widget @VERSION
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Widget
+ */
+(function( $, undefined ) {
+
+var slice = Array.prototype.slice;
+
+var _cleanData = $.cleanData;
+$.cleanData = function( elems ) {
+	for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
+		$( elem ).triggerHandler( "remove" );
+	}
+	_cleanData( elems );
+};
+
+$.widget = function( name, base, prototype ) {
+	var namespace = name.split( "." )[ 0 ],
+		fullName;
+	name = name.split( "." )[ 1 ];
+	fullName = namespace + "-" + name;
+
+	if ( !prototype ) {
+		prototype = base;
+		base = $.Widget;
+	}
+
+	// create selector for plugin
+	$.expr[ ":" ][ fullName ] = function( elem ) {
+		return !!$.data( elem, name );
+	};
+
+	$[ namespace ] = $[ namespace ] || {};
+	$[ namespace ][ name ] = $[ namespace ][ name ] || function( options, element ) {
+		// allow instantiation without "new" keyword
+		if ( !this._createWidget ) {
+			return new $[ namespace ][ name ]( 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 );
+		}
+	};
+
+	var 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 = $.extend( true, {}, basePrototype.options );
+	$[ namespace ][ name ].prototype = $.extend( true, basePrototype, {
+		namespace: namespace,
+		widgetName: name,
+		widgetEventPrefix: name,
+		widgetBaseClass: fullName,
+		base: base.prototype
+	}, prototype );
+
+	$.widget.bridge( name, $[ namespace ][ name ] );
+};
+
+$.widget.bridge = function( name, object ) {
+	$.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 ?
+			$.extend.apply( null, [ true, options ].concat(args) ) :
+			options;
+
+		// prevent calls to internal methods
+		if ( isMethodCall && options.charAt( 0 ) === "_" ) {
+			return returnValue;
+		}
+
+		if ( isMethodCall ) {
+			this.each(function() {
+				var instance = $.data( this, name );
+				if ( !instance ) {
+					return $.error( "cannot call methods on " + name + " prior to initialization; " +
+						"attempted to call method '" + options + "'" );
+				}
+				if ( !$.isFunction( instance[options] ) ) {
+					return $.error( "no such method '" + options + "' for " + name + " widget instance" );
+				}
+				var methodValue = instance[ options ].apply( instance, args );
+				if ( methodValue !== instance && methodValue !== undefined ) {
+					returnValue = methodValue;
+					return false;
+				}
+			});
+		} else {
+			this.each(function() {
+				var instance = $.data( this, name );
+				if ( instance ) {
+					instance.option( options || {} )._init();
+				} else {
+					object( options, this );
+				}
+			});
+		}
+
+		return returnValue;
+	};
+};
+
+$.Widget = function( options, element ) {
+	// allow instantiation without "new" keyword
+	if ( !this._createWidget ) {
+		return new $[ namespace ][ name ]( options, element );
+	}
+
+	// allow instantiation without initializing for simple inheritance
+	// must use "new" keyword (the code above always passes args)
+	if ( arguments.length ) {
+		this._createWidget( options, element );
+	}
+};
+
+$.Widget.prototype = {
+	widgetName: "widget",
+	widgetEventPrefix: "",
+	defaultElement: "<div>",
+	options: {
+		disabled: false
+	},
+	_createWidget: function( options, element ) {
+		element = $( element || this.defaultElement || this )[ 0 ];
+		this.element = $( element );
+		this.options = $.extend( true, {},
+			this.options,
+			this._getCreateOptions(),
+			options );
+
+		this.bindings = $();
+		this.hoverable = $();
+		this.focusable = $();
+
+		if ( element !== this ) {
+			$.data( element, this.widgetName, this );
+			this._bind({ remove: "destroy" });
+		}
+
+		this._create();
+		this._trigger( "create" );
+		this._init();
+	},
+	_getCreateOptions: function() {
+		return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ];
+	},
+	_create: $.noop,
+	_init: $.noop,
+
+	_super: function( method ) {
+		return this.base[ method ].apply( this, slice.call( arguments, 1 ) );
+	},
+	_superApply: function( method, args ) {
+		return this.base[ method ].apply( this, args );
+	},
+
+	destroy: function() {
+		this._destroy();
+		// we can probably remove the unbind calls in 2.0
+		// all event bindings should go through this._bind()
+		this.element
+			.unbind( "." + this.widgetName )
+			.removeData( this.widgetName );
+		this.widget()
+			.unbind( "." + this.widgetName )
+			.removeAttr( "aria-disabled" )
+			.removeClass(
+				this.widgetBaseClass + "-disabled " +
+				"ui-state-disabled" );
+
+		// clean up events and states
+		this.bindings.unbind( "." + this.widgetName );
+		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;
+
+		if ( arguments.length === 0 ) {
+			// don't return a reference to the internal hash
+			return $.extend( {}, this.options );
+		}
+
+		if  (typeof key === "string" ) {
+			if ( value === undefined ) {
+				return this.options[ key ];
+			}
+			options = {};
+			options[ key ] = value;
+		}
+
+		this._setOptions( options );
+
+		return this;
+	},
+	_setOptions: function( options ) {
+		var self = this;
+		$.each( options, function( key, value ) {
+			self._setOption( key, value );
+		});
+
+		return this;
+	},
+	_setOption: function( key, value ) {
+		this.options[ key ] = value;
+
+		if ( key === "disabled" ) {
+			this.widget()
+				.toggleClass( this.widgetBaseClass + "-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 );
+	},
+
+	_bind: function( element, handlers ) {
+		// no element argument, shuffle and use this.element
+		if ( !handlers ) {
+			handlers = element;
+			element = this.element;
+		} else {
+			this.bindings = this.bindings.add( element );
+		}
+		var instance = this;
+		$.each( handlers, function( event, handler ) {
+			element.bind( event + "." + instance.widgetName, function() {
+				// allow widgets to customize the disabled handling
+				// - disabled as an array instead of boolean
+				// - disabled class as method for disabling individual parts
+				if ( instance.options.disabled === true ||
+						$( this ).hasClass( "ui-state-disabled" ) ) {
+					return;
+				}
+				return ( typeof handler === "string" ? instance[ handler ] : handler )
+					.apply( instance, arguments );
+			});
+		});
+	},
+
+	_hoverable: function( element ) {
+		this.hoverable = this.hoverable.add( element );
+		this._bind( 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._bind( 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 callback = this.options[ type ],
+			args;
+
+		event = $.Event( event );
+		event.type = ( type === this.widgetEventPrefix ?
+			type :
+			this.widgetEventPrefix + type ).toLowerCase();
+		data = data || {};
+
+		// copy original event properties over to the new event
+		// this would happen if we could call $.event.fix instead of $.Event
+		// but we don't have a way to force an event to be fixed multiple times
+		if ( event.originalEvent ) {
+			for ( var i = $.event.props.length, prop; i; ) {
+				prop = $.event.props[ --i ];
+				event[ prop ] = event.originalEvent[ prop ];
+			}
+		}
+
+		this.element.trigger( event, data );
+
+		args = $.isArray( data ) ?
+			[ event ].concat( data ) :
+			[ event, data ];
+
+		return !( $.isFunction( callback ) &&
+			callback.apply( this.element[0], args ) === false ||
+			event.isDefaultPrevented() );
+	}
+};
+
+})( jQuery );
+