window.wp = window.wp || {};
(function( exports, $ ){
- var api, extend, ctor, inherits,
+ var api = {}, 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.
+ /**
+ * 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.
+ *
+ * @param object parent Parent class constructor to inherit from.
+ * @param object protoProps Properties to apply to the prototype for use as class instance properties.
+ * @param object staticProps Properties to apply directly to the class constructor.
+ * @return child The subclassed constructor.
+ */
inherits = function( parent, protoProps, staticProps ) {
var child;
return child;
};
- api = {};
-
- /* =====================================================================
- * Base class.
- * ===================================================================== */
-
+ /**
+ * Base class for object inheritance.
+ */
api.Class = function( applicator, argsArray, options ) {
var magic, args = arguments;
return magic;
};
+ /**
+ * Creates a subclass of the class.
+ *
+ * @param object protoProps Properties to apply to the prototype.
+ * @param object staticProps Properties to apply directly to the class.
+ * @return child The subclass.
+ */
+ api.Class.extend = function( protoProps, classProps ) {
+ var child = inherits( this, protoProps, classProps );
+ child.extend = this.extend;
+ return child;
+ };
+
api.Class.applicator = {};
api.Class.prototype.initialize = function() {};
return false;
};
- api.Class.extend = extend;
-
- /* =====================================================================
- * Events mixin.
- * ===================================================================== */
-
+ /**
+ * An events manager object, offering the ability to bind to and trigger events.
+ *
+ * Used as a mixin.
+ */
api.Events = {
trigger: function( id ) {
if ( this.topics && this.topics[ id ] )
return this;
},
- bind: function( id, callback ) {
+ bind: function( id ) {
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 ) {
+ unbind: function( id ) {
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.
- * ===================================================================== */
-
+ *
+ * @constuctor
+ */
api.Value = api.Class.extend({
initialize: function( initial, options ) {
this._value = initial; // @todo: potentially change this to a this.set() call.
this.callbacks = $.Callbacks();
+ this._dirty = false;
$.extend( this, options || {} );
to = this.validate( to );
// Bail if the sanitized value is null or unchanged.
- if ( null === to || this._value === to )
+ if ( null === to || _.isEqual( from, to ) ) {
return this;
+ }
this._value = to;
+ this._dirty = true;
this.callbacks.fireWith( this, [ to, from ] );
return value;
},
- bind: function( callback ) {
+ bind: function() {
this.callbacks.add.apply( this.callbacks, arguments );
return this;
},
- unbind: function( callback ) {
+ unbind: function() {
this.callbacks.remove.apply( this.callbacks, arguments );
return this;
},
}
});
- /* =====================================================================
+ /**
* A collection of observable values.
- * ===================================================================== */
-
+ *
+ * @constuctor
+ * @augments wp.customize.Class
+ * @mixes wp.customize.Events
+ */
api.Values = api.Class.extend({
defaultConstructor: api.Value,
$.extend( api.Values.prototype, api.Events );
- /* =====================================================================
- * An observable value that syncs with an element.
- *
- * Handles inputs, selects, and textareas by default.
- * ===================================================================== */
+ /**
+ * Cast a string to a jQuery collection if it isn't already.
+ *
+ * @param {string|jQuery collection} element
+ */
api.ensure = function( element ) {
return typeof element == 'string' ? $( element ) : element;
};
+ /**
+ * An observable value that syncs with an element.
+ *
+ * Handles inputs, selects, and textareas by default.
+ *
+ * @constuctor
+ * @augments wp.customize.Value
+ * @augments wp.customize.Class
+ */
api.Element = api.Value.extend({
initialize: function( element, options ) {
var self = this,
if ( this.element.is('input') ) {
type = this.element.prop('type');
- if ( api.Element.synchronizer[ type ] )
+ if ( api.Element.synchronizer[ type ] ) {
synchronizer = api.Element.synchronizer[ type ];
- if ( 'text' === type || 'password' === type )
+ }
+ if ( 'text' === type || 'password' === type ) {
this.events += ' keyup';
+ } else if ( 'range' === type ) {
+ this.events += ' input propertychange';
+ }
} else if ( this.element.is('textarea') ) {
this.events += ' keyup';
}
api.Element.synchronizer = {};
- $.each( [ 'html', 'val' ], function( i, method ) {
+ $.each( [ 'html', 'val' ], function( index, method ) {
api.Element.synchronizer[ method ] = {
update: function( to ) {
this.element[ method ]( to );
}
};
- /* =====================================================================
- * Messenger for postMessage.
- * ===================================================================== */
-
$.support.postMessage = !! window.postMessage;
+ /**
+ * Messenger for postMessage.
+ *
+ * @constuctor
+ * @augments wp.customize.Class
+ * @mixes wp.customize.Events
+ */
api.Messenger = api.Class.extend({
+ /**
+ * Create a new Value.
+ *
+ * @param {string} key Unique identifier.
+ * @param {mixed} initial Initial value.
+ * @param {mixed} options Options hash. Optional.
+ * @return {Value} Class instance of the Value.
+ */
add: function( key, initial, options ) {
return this[ key ] = new api.Value( initial, options );
},
if ( this.origin() && event.origin !== this.origin() )
return;
+ // Ensure we have a string that's JSON.parse-able
+ if ( typeof event.data !== 'string' || event.data[0] !== '{' ) {
+ return;
+ }
+
message = JSON.parse( event.data );
// Check required message properties.
// Add the Events mixin to api.Messenger.
$.extend( api.Messenger.prototype, api.Events );
- /* =====================================================================
- * Core customize object.
- * ===================================================================== */
-
+ // Core customize object.
api = $.extend( new api.Values(), api );
api.get = function() {
var result = {};
return result;
};
- // Expose the API to the world.
+ // Expose the API publicly on window.wp.customize
exports.customize = api;
})( wp, jQuery );
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff