site_iri: comparison web/wp-includes/js/customize-base.dev.js

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web/wp-includes/js/customize-base.dev.js

changeset 194

32102edaa81b

equal deleted inserted replaced

-:2f6f6f7551ca
+:32102edaa81b
+if ( typeof wp === 'undefined' )
+	var wp = {};
+(function( exports, $ ){
+	var api, extend, ctor, inherits,
+		slice = Array.prototype.slice;
+	/* =====================================================================
+	 * Micro-inheritance - thank you, backbone.js.
+	 * ===================================================================== */
+	extend = function( protoProps, classProps ) {
+		var child = inherits( this, protoProps, classProps );
+		child.extend = this.extend;
+		return child;
+	};
+	// Shared empty constructor function to aid in prototype-chain creation.
+	ctor = function() {};
+	// Helper function to correctly set up the prototype chain, for subclasses.
+	// Similar to `goog.inherits`, but uses a hash of prototype properties and
+	// class properties to be extended.
+	inherits = function( parent, protoProps, staticProps ) {
+		var child;
+		// The constructor function for the new subclass is either defined by you
+		// (the "constructor" property in your `extend` definition), or defaulted
+		// by us to simply call `super()`.
+		if ( protoProps && protoProps.hasOwnProperty( 'constructor' ) ) {
+			child = protoProps.constructor;
+		} else {
+			child = function() {
+				// Storing the result `super()` before returning the value
+				// prevents a bug in Opera where, if the constructor returns
+				// a function, Opera will reject the return value in favor of
+				// the original object. This causes all sorts of trouble.
+				var result = parent.apply( this, arguments );
+				return result;
+			};
+		}
+		// Inherit class (static) properties from parent.
+		$.extend( child, parent );
+		// Set the prototype chain to inherit from `parent`, without calling
+		// `parent`'s constructor function.
+		ctor.prototype  = parent.prototype;
+		child.prototype = new ctor();
+		// Add prototype properties (instance properties) to the subclass,
+		// if supplied.
+		if ( protoProps )
+			$.extend( child.prototype, protoProps );
+		// Add static properties to the constructor function, if supplied.
+		if ( staticProps )
+			$.extend( child, staticProps );
+		// Correctly set child's `prototype.constructor`.
+		child.prototype.constructor = child;
+		// Set a convenience property in case the parent's prototype is needed later.
+		child.__super__ = parent.prototype;
+		return child;
+	};
+	api = {};
+	/* =====================================================================
+	 * Base class.
+	 * ===================================================================== */
+	api.Class = function( applicator, argsArray, options ) {
+		var magic, args = arguments;
+		if ( applicator && argsArray && api.Class.applicator === applicator ) {
+			args = argsArray;
+			$.extend( this, options || {} );
+		}
+		magic = this;
+		if ( this.instance ) {
+			magic = function() {
+				return magic.instance.apply( magic, arguments );
+			};
+			$.extend( magic, this );
+		}
+		magic.initialize.apply( magic, args );
+		return magic;
+	};
+	api.Class.applicator = {};
+	api.Class.prototype.initialize = function() {};
+	/*
+	 * Checks whether a given instance extended a constructor.
+	 *
+	 * The magic surrounding the instance parameter causes the instanceof
+	 * keyword to return inaccurate results; it defaults to the function's
+	 * prototype instead of the constructor chain. Hence this function.
+	 */
+	api.Class.prototype.extended = function( constructor ) {
+		var proto = this;
+		while ( typeof proto.constructor !== 'undefined' ) {
+			if ( proto.constructor === constructor )
+				return true;
+			if ( typeof proto.constructor.__super__ === 'undefined' )
+				return false;
+			proto = proto.constructor.__super__;
+		}
+		return false;
+	};
+	api.Class.extend = extend;
+	/* =====================================================================
+	 * Events mixin.
+	 * ===================================================================== */
+	api.Events = {
+		trigger: function( id ) {
+			if ( this.topics && this.topics[ id ] )
+				this.topics[ id ].fireWith( this, slice.call( arguments, 1 ) );
+			return this;
+		},
+		bind: function( id, callback ) {
+			this.topics = this.topics || {};
+			this.topics[ id ] = this.topics[ id ] || $.Callbacks();
+			this.topics[ id ].add.apply( this.topics[ id ], slice.call( arguments, 1 ) );
+			return this;
+		},
+		unbind: function( id, callback ) {
+			if ( this.topics && this.topics[ id ] )
+				this.topics[ id ].remove.apply( this.topics[ id ], slice.call( arguments, 1 ) );
+			return this;
+		}
+	};
+	/* =====================================================================
+	 * Observable values that support two-way binding.
+	 * ===================================================================== */
+	api.Value = api.Class.extend({
+		initialize: function( initial, options ) {
+			this._value = initial; // @todo: potentially change this to a this.set() call.
+			this.callbacks = $.Callbacks();
+			$.extend( this, options || {} );
+			this.set = $.proxy( this.set, this );
+		},
+		/*
+		 * Magic. Returns a function that will become the instance.
+		 * Set to null to prevent the instance from extending a function.
+		 */
+		instance: function() {
+			return arguments.length ? this.set.apply( this, arguments ) : this.get();
+		},
+		get: function() {
+			return this._value;
+		},
+		set: function( to ) {
+			var from = this._value;
+			to = this._setter.apply( this, arguments );
+			to = this.validate( to );
+			// Bail if the sanitized value is null or unchanged.
+			if ( null === to || this._value === to )
+				return this;
+			this._value = to;
+			this.callbacks.fireWith( this, [ to, from ] );
+			return this;
+		},
+		_setter: function( to ) {
+			return to;
+		},
+		setter: function( callback ) {
+			var from = this.get();
+			this._setter = callback;
+			// Temporarily clear value so setter can decide if it's valid.
+			this._value = null;
+			this.set( from );
+			return this;
+		},
+		resetSetter: function() {
+			this._setter = this.constructor.prototype._setter;
+			this.set( this.get() );
+			return this;
+		},
+		validate: function( value ) {
+			return value;
+		},
+		bind: function( callback ) {
+			this.callbacks.add.apply( this.callbacks, arguments );
+			return this;
+		},
+		unbind: function( callback ) {
+			this.callbacks.remove.apply( this.callbacks, arguments );
+			return this;
+		},
+		link: function() { // values*
+			var set = this.set;
+			$.each( arguments, function() {
+				this.bind( set );
+			});
+			return this;
+		},
+		unlink: function() { // values*
+			var set = this.set;
+			$.each( arguments, function() {
+				this.unbind( set );
+			});
+			return this;
+		},
+		sync: function() { // values*
+			var that = this;
+			$.each( arguments, function() {
+				that.link( this );
+				this.link( that );
+			});
+			return this;
+		},
+		unsync: function() { // values*
+			var that = this;
+			$.each( arguments, function() {
+				that.unlink( this );
+				this.unlink( that );
+			});
+			return this;
+		}
+	});
+	/* =====================================================================
+	 * A collection of observable values.
+	 * ===================================================================== */
+	api.Values = api.Class.extend({
+		defaultConstructor: api.Value,
+		initialize: function( options ) {
+			$.extend( this, options || {} );
+			this._value = {};
+			this._deferreds = {};
+		},
+		instance: function( id ) {
+			if ( arguments.length === 1 )
+				return this.value( id );
+			return this.when.apply( this, arguments );
+		},
+		value: function( id ) {
+			return this._value[ id ];
+		},
+		has: function( id ) {
+			return typeof this._value[ id ] !== 'undefined';
+		},
+		add: function( id, value ) {
+			if ( this.has( id ) )
+				return this.value( id );
+			this._value[ id ] = value;
+			value.parent = this;
+			if ( value.extended( api.Value ) )
+				value.bind( this._change );
+			this.trigger( 'add', value );
+			if ( this._deferreds[ id ] )
+				this._deferreds[ id ].resolve();
+			return this._value[ id ];
+		},
+		create: function( id ) {
+			return this.add( id, new this.defaultConstructor( api.Class.applicator, slice.call( arguments, 1 ) ) );
+		},
+		each: function( callback, context ) {
+			context = typeof context === 'undefined' ? this : context;
+			$.each( this._value, function( key, obj ) {
+				callback.call( context, obj, key );
+			});
+		},
+		remove: function( id ) {
+			var value;
+			if ( this.has( id ) ) {
+				value = this.value( id );
+				this.trigger( 'remove', value );
+				if ( value.extended( api.Value ) )
+					value.unbind( this._change );
+				delete value.parent;
+			}
+			delete this._value[ id ];
+			delete this._deferreds[ id ];
+		},
+		/**
+		 * Runs a callback once all requested values exist.
+		 *
+		 * when( ids*, [callback] );
+		 *
+		 * For example:
+		 *     when( id1, id2, id3, function( value1, value2, value3 ) {} );
+		 *
+		 * @returns $.Deferred.promise();
+		 */
+		when: function() {
+			var self = this,
+				ids  = slice.call( arguments ),
+				dfd  = $.Deferred();
+			// If the last argument is a callback, bind it to .done()
+			if ( $.isFunction( ids[ ids.length - 1 ] ) )
+				dfd.done( ids.pop() );
+			$.when.apply( $, $.map( ids, function( id ) {
+				if ( self.has( id ) )
+					return;
+				return self._deferreds[ id ] = self._deferreds[ id ] || $.Deferred();
+			})).done( function() {
+				var values = $.map( ids, function( id ) {
+						return self( id );
+					});
+				// If a value is missing, we've used at least one expired deferred.
+				// Call Values.when again to generate a new deferred.
+				if ( values.length !== ids.length ) {
+					// ids.push( callback );
+					self.when.apply( self, ids ).done( function() {
+						dfd.resolveWith( self, values );
+					});
+					return;
+				}
+				dfd.resolveWith( self, values );
+			});
+			return dfd.promise();
+		},
+		_change: function() {
+			this.parent.trigger( 'change', this );
+		}
+	});
+	$.extend( api.Values.prototype, api.Events );
+	/* =====================================================================
+	 * An observable value that syncs with an element.
+	 *
+	 * Handles inputs, selects, and textareas by default.
+	 * ===================================================================== */
+	api.ensure = function( element ) {
+		return typeof element == 'string' ? $( element ) : element;
+	};
+	api.Element = api.Value.extend({
+		initialize: function( element, options ) {
+			var self = this,
+				synchronizer = api.Element.synchronizer.html,
+				type, update, refresh;
+			this.element = api.ensure( element );
+			this.events = '';
+			if ( this.element.is('input, select, textarea') ) {
+				this.events += 'change';
+				synchronizer = api.Element.synchronizer.val;
+				if ( this.element.is('input') ) {
+					type = this.element.prop('type');
+					if ( api.Element.synchronizer[ type ] )
+						synchronizer = api.Element.synchronizer[ type ];
+					if ( 'text' === type || 'password' === type )
+						this.events += ' keyup';
+				} else if ( this.element.is('textarea') ) {
+					this.events += ' keyup';
+				}
+			}
+			api.Value.prototype.initialize.call( this, null, $.extend( options || {}, synchronizer ) );
+			this._value = this.get();
+			update  = this.update;
+			refresh = this.refresh;
+			this.update = function( to ) {
+				if ( to !== refresh.call( self ) )
+					update.apply( this, arguments );
+			};
+			this.refresh = function() {
+				self.set( refresh.call( self ) );
+			};
+			this.bind( this.update );
+			this.element.bind( this.events, this.refresh );
+		},
+		find: function( selector ) {
+			return $( selector, this.element );
+		},
+		refresh: function() {},
+		update: function() {}
+	});
+	api.Element.synchronizer = {};
+	$.each( [ 'html', 'val' ], function( i, method ) {
+		api.Element.synchronizer[ method ] = {
+			update: function( to ) {
+				this.element[ method ]( to );
+			},
+			refresh: function() {
+				return this.element[ method ]();
+			}
+		};
+	});
+	api.Element.synchronizer.checkbox = {
+		update: function( to ) {
+			this.element.prop( 'checked', to );
+		},
+		refresh: function() {
+			return this.element.prop( 'checked' );
+		}
+	};
+	api.Element.synchronizer.radio = {
+		update: function( to ) {
+			this.element.filter( function() {
+				return this.value === to;
+			}).prop( 'checked', true );
+		},
+		refresh: function() {
+			return this.element.filter( ':checked' ).val();
+		}
+	};
+	/* =====================================================================
+	 * Messenger for postMessage.
+	 * ===================================================================== */
+	$.support.postMessage = !! window.postMessage;
+	api.Messenger = api.Class.extend({
+		add: function( key, initial, options ) {
+			return this[ key ] = new api.Value( initial, options );
+		},
+		/**
+		 * Initialize Messenger.
+		 *
+		 * @param  {object} params        Parameters to configure the messenger.
+		 *         {string} .url          The URL to communicate with.
+		 *         {window} .targetWindow The window instance to communicate with. Default window.parent.
+		 *         {string} .channel      If provided, will send the channel with each message and only accept messages a matching channel.
+		 * @param  {object} options       Extend any instance parameter or method with this object.
+		 */
+		initialize: function( params, options ) {
+			// Target the parent frame by default, but only if a parent frame exists.
+			var defaultTarget = window.parent == window ? null : window.parent;
+			$.extend( this, options || {} );
+			this.add( 'channel', params.channel );
+			this.add( 'url', params.url || '' );
+			this.add( 'targetWindow', params.targetWindow || defaultTarget );
+			this.add( 'origin', this.url() ).link( this.url ).setter( function( to ) {
+				return to.replace( /([^:]+:\/\/[^\/]+).*/, '$1' );
+			});
+			// Since we want jQuery to treat the receive function as unique
+			// to this instance, we give the function a new guid.
+			//
+			// This will prevent every Messenger's receive function from being
+			// unbound when calling $.off( 'message', this.receive );
+			this.receive = $.proxy( this.receive, this );
+			this.receive.guid = $.guid++;
+			$( window ).on( 'message', this.receive );
+		},
+		destroy: function() {
+			$( window ).off( 'message', this.receive );
+		},
+		receive: function( event ) {
+			var message;
+			event = event.originalEvent;
+			if ( ! this.targetWindow() )
+				return;
+			// Check to make sure the origin is valid.
+			if ( this.origin() && event.origin !== this.origin() )
+				return;
+			message = JSON.parse( event.data );
+			// Check required message properties.
+			if ( ! message || ! message.id || typeof message.data === 'undefined' )
+				return;
+			// Check if channel names match.
+			if ( ( message.channel || this.channel() ) && this.channel() !== message.channel )
+				return;
+			this.trigger( message.id, message.data );
+		},
+		send: function( id, data ) {
+			var message;
+			data = typeof data === 'undefined' ? null : data;
+			if ( ! this.url() || ! this.targetWindow() )
+				return;
+			message = { id: id, data: data };
+			if ( this.channel() )
+				message.channel = this.channel();
+			this.targetWindow().postMessage( JSON.stringify( message ), this.origin() );
+		}
+	});
+	// Add the Events mixin to api.Messenger.
+	$.extend( api.Messenger.prototype, api.Events );
+	/* =====================================================================
+	 * Core customize object.
+	 * ===================================================================== */
+	api = $.extend( new api.Values(), api );
+	api.get = function() {
+		var result = {};
+		this.each( function( obj, key ) {
+			result[ key ] = obj.get();
+		});
+		return result;
+	};
+	// Expose the API to the world.
+	exports.customize = api;
+})( wp, jQuery );

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