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/*!
 * jQuery UI Widget 1.12.1
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Widget
//>>group: Core
//>>description: Provides a factory for creating stateful widgets with a common API.
//>>docs: http://api.jqueryui.com/jQuery.widget/
//>>demos: http://jqueryui.com/widget/

( function( factory ) {
	if ( typeof define === "function" && define.amd ) {

		// AMD. Register as an anonymous module.
		define( [ "jquery", "./version" ], factory );
	} else {

		// Browser globals
		factory( jQuery );
	}
}( function( $ ) {

var widgetUuid = 0;
var widgetSlice = Array.prototype.slice;

$.cleanData = ( function( orig ) {
	return function( elems ) {
		var events, elem, i;
		for ( i = 0; ( elem = elems[ i ] ) != null; i++ ) {
			try {

				// Only trigger remove when necessary to save time
				events = $._data( elem, "events" );
				if ( events && events.remove ) {
					$( elem ).triggerHandler( "remove" );
				}

			// Http://bugs.jquery.com/ticket/8235
			} catch ( e ) {}
		}
		orig( elems );
	};
} )( $.cleanData );

$.widget = function( name, base, prototype ) {
	var existingConstructor, constructor, basePrototype;

	// ProxiedPrototype allows the provided prototype to remain unmodified
	// so that it can be used as a mixin for multiple widgets (#8876)
	var proxiedPrototype = {};

	var namespace = name.split( "." )[ 0 ];
	name = name.split( "." )[ 1 ];
	var fullName = namespace + "-" + name;

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

	if ( $.isArray( prototype ) ) {
		prototype = $.extend.apply( null, [ {} ].concat( prototype ) );
	}

	// 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() {
			function _super() {
				return base.prototype[ prop ].apply( this, arguments );
			}

			function _superApply( args ) {
				return base.prototype[ prop ].apply( this, args );
			}

			return function() {
				var __super = this._super;
				var __superApply = this._superApply;
				var 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 ) : 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 );

	return constructor;
};

$.widget.extend = function( target ) {
	var input = widgetSlice.call( arguments, 1 );
	var inputIndex = 0;
	var inputLength = input.length;
	var key;
	var 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";
		var args = widgetSlice.call( arguments, 1 );
		var returnValue = this;

		if ( isMethodCall ) {

			// If this is an empty collection, we need to have the instance method
			// return undefined instead of the jQuery instance
			if ( !this.length && options === "instance" ) {
				returnValue = undefined;
			} else {
				this.each( function() {
					var methodValue;
					var instance = $.data( this, fullName );

					if ( options === "instance" ) {
						returnValue = instance;
						return false;
					}

					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 {

			// Allow multiple hashes to be passed on init
			if ( args.length ) {
				options = $.widget.extend.apply( null, [ options ].concat( args ) );
			}

			this.each( function() {
				var instance = $.data( this, fullName );
				if ( instance ) {
					instance.option( options || {} );
					if ( instance._init ) {
						instance._init();
					}
				} else {
					$.data( this, fullName, new object( options, this ) );
				}
			} );
		}

		return returnValue;
	};
};

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

$.Widget.prototype = {
	widgetName: "widget",
	widgetEventPrefix: "",
	defaultElement: "
", options: { classes: {}, disabled: false, // Callbacks create: null }, _createWidget: function( options, element ) { element = $( element || this.defaultElement || this )[ 0 ]; this.element = $( element ); this.uuid = widgetUuid++; this.eventNamespace = "." + this.widgetName + this.uuid; this.bindings = $(); this.hoverable = $(); this.focusable = $(); this.classesElementLookup = {}; 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.options = $.widget.extend( {}, this.options, this._getCreateOptions(), options ); this._create(); if ( this.options.disabled ) { this._setOptionDisabled( this.options.disabled ); } this._trigger( "create", null, this._getCreateEventData() ); this._init(); }, _getCreateOptions: function() { return {}; }, _getCreateEventData: $.noop, _create: $.noop, _init: $.noop, destroy: function() { var that = this; this._destroy(); $.each( this.classesElementLookup, function( key, value ) { that._removeClass( value, key ); } ); // We can probably remove the unbind calls in 2.0 // all event bindings should go through this._on() this.element .off( this.eventNamespace ) .removeData( this.widgetFullName ); this.widget() .off( this.eventNamespace ) .removeAttr( "aria-disabled" ); // Clean up events and states this.bindings.off( this.eventNamespace ); }, _destroy: $.noop, widget: function() { return this.element; }, option: function( key, value ) { var options = key; var parts; var curOption; var 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 ( arguments.length === 1 ) { return curOption[ key ] === undefined ? null : curOption[ key ]; } curOption[ key ] = value; } else { if ( arguments.length === 1 ) { 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 ) { if ( key === "classes" ) { this._setOptionClasses( value ); } this.options[ key ] = value; if ( key === "disabled" ) { this._setOptionDisabled( value ); } return this; }, _setOptionClasses: function( value ) { var classKey, elements, currentElements; for ( classKey in value ) { currentElements = this.classesElementLookup[ classKey ]; if ( value[ classKey ] === this.options.classes[ classKey ] || !currentElements || !currentElements.length ) { continue; } // We are doing this to create a new jQuery object because the _removeClass() call // on the next line is going to destroy the reference to the current elements being // tracked. We need to save a copy of this collection so that we can add the new classes // below. elements = $( currentElements.get() ); this._removeClass( currentElements, classKey ); // We don't use _addClass() here, because that uses this.options.classes // for generating the string of classes. We want to use the value passed in from // _setOption(), this is the new value of the classes option which was passed to // _setOption(). We pass this value directly to _classes(). elements.addClass( this._classes( { element: elements, keys: classKey, classes: value, add: true } ) ); } }, _setOptionDisabled: function( value ) { this._toggleClass( this.widget(), this.widgetFullName + "-disabled", null, !!value ); // If the widget is becoming disabled, then nothing is interactive if ( value ) { this._removeClass( this.hoverable, null, "ui-state-hover" ); this._removeClass( this.focusable, null, "ui-state-focus" ); } }, enable: function() { return this._setOptions( { disabled: false } ); }, disable: function() { return this._setOptions( { disabled: true } ); }, _classes: function( options ) { var full = []; var that = this; options = $.extend( { element: this.element, classes: this.options.classes || {} }, options ); function processClassString( classes, checkOption ) { var current, i; for ( i = 0; i < classes.length; i++ ) { current = that.classesElementLookup[ classes[ i ] ] || $(); if ( options.add ) { current = $( $.unique( current.get().concat( options.element.get() ) ) ); } else { current = $( current.not( options.element ).get() ); } that.classesElementLookup[ classes[ i ] ] = current; full.push( classes[ i ] ); if ( checkOption && options.classes[ classes[ i ] ] ) { full.push( options.classes[ classes[ i ] ] ); } } } this._on( options.element, { "remove": "_untrackClassesElement" } ); if ( options.keys ) { processClassString( options.keys.match( /\S+/g ) || [], true ); } if ( options.extra ) { processClassString( options.extra.match( /\S+/g ) || [] ); } return full.join( " " ); }, _untrackClassesElement: function( event ) { var that = this; $.each( that.classesElementLookup, function( key, value ) { if ( $.inArray( event.target, value ) !== -1 ) { that.classesElementLookup[ key ] = $( value.not( event.target ).get() ); } } ); }, _removeClass: function( element, keys, extra ) { return this._toggleClass( element, keys, extra, false ); }, _addClass: function( element, keys, extra ) { return this._toggleClass( element, keys, extra, true ); }, _toggleClass: function( element, keys, extra, add ) { add = ( typeof add === "boolean" ) ? add : extra; var shift = ( typeof element === "string" || element === null ), options = { extra: shift ? keys : extra, keys: shift ? element : keys, element: shift ? this.element : element, add: add }; options.element.toggleClass( this._classes( options ), add ); return this; }, _on: function( suppressDisabledCheck, element, handlers ) { var delegateElement; var 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 { 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 || $.guid++; } var match = event.match( /^([\w:-]*)\s*(.*)$/ ); var eventName = match[ 1 ] + instance.eventNamespace; var selector = match[ 2 ]; if ( selector ) { delegateElement.on( eventName, selector, handlerProxy ); } else { element.on( eventName, handlerProxy ); } } ); }, _off: function( element, eventName ) { eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) + this.eventNamespace; element.off( eventName ).off( eventName ); // Clear the stack to avoid memory leaks (#10056) this.bindings = $( this.bindings.not( element ).get() ); this.focusable = $( this.focusable.not( element ).get() ); this.hoverable = $( this.hoverable.not( element ).get() ); }, _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 ) { this._addClass( $( event.currentTarget ), null, "ui-state-hover" ); }, mouseleave: function( event ) { this._removeClass( $( event.currentTarget ), null, "ui-state-hover" ); } } ); }, _focusable: function( element ) { this.focusable = this.focusable.add( element ); this._on( element, { focusin: function( event ) { this._addClass( $( event.currentTarget ), null, "ui-state-focus" ); }, focusout: function( event ) { this._removeClass( $( event.currentTarget ), null, "ui-state-focus" ); } } ); }, _trigger: function( type, event, data ) { var prop, orig; var 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 ) { $.Widget.prototype[ "_" + method ] = function( element, options, callback ) { if ( typeof options === "string" ) { options = { effect: options }; } var hasOptions; var effectName = !options ? method : options === true || typeof options === "number" ? defaultEffect : options.effect || defaultEffect; options = options || {}; if ( typeof options === "number" ) { options = { duration: options }; } hasOptions = !$.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(); } ); } }; } ); return $.widget; } ) );




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