This object also provides a registry of available Component classes
* indexed by a mnemonic code known as the Component's {@link Ext.Component#xtype xtype}.
- * The {@link Ext.Component#xtype xtype} provides a way to avoid instantiating child Components
+ * The {@link Ext.Component#xtype xtype} provides a way to avoid instantiating child Components
* when creating a full, nested config object for a complete Ext page.
A child Component may be specified simply as a config object
- * as long as the correct {@link Ext.Component#xtype xtype} is specified so that if and when the Component
+ * as long as the correct {@link Ext.Component#xtype xtype} is specified so that if and when the Component
* needs rendering, the correct type can be looked up for lazy instantiation.
For a list of all available {@link Ext.Component#xtype xtypes}, see {@link Ext.Component}.
+ *For a list of all available {@link Ext.Component#xtype xtypes}, see {@link Ext.Component}.
undefined if not found, or null if a
* Class was found.
*/
get : function(id){
@@ -54,10 +55,10 @@ Ext.ComponentMgr = function(){
},
/**
- * Registers a function that will be called when a specified component is added to ComponentMgr
+ * Registers a function that will be called when a Component with the specified id is added to ComponentMgr. This will happen on instantiation.
* @param {String} id The component {@link Ext.Component#id id}
* @param {Function} fn The callback function
- * @param {Object} scope The scope of the callback
+ * @param {Object} scope The scope (this reference) in which the callback is executed. Defaults to the Component.
*/
onAvailable : function(id, fn, scope){
all.on("add", function(index, o){
@@ -75,6 +76,18 @@ Ext.ComponentMgr = function(){
*/
all : all,
+ /**
+ * The xtypes that have been registered with the component manager.
+ * @type {Object}
+ */
+ types : types,
+
+ /**
+ * The ptypes that have been registered with the component manager.
+ * @type {Object}
+ */
+ ptypes: ptypes,
+
/**
* Checks if a Component type is registered.
* @param {Ext.Component} xtype The mnemonic string by which the Component class may be looked up
@@ -83,6 +96,15 @@ Ext.ComponentMgr = function(){
isRegistered : function(xtype){
return types[xtype] !== undefined;
},
+
+ /**
+ * Checks if a Plugin type is registered.
+ * @param {Ext.Component} ptype The mnemonic string by which the Plugin class may be looked up
+ * @return {Boolean} Whether the type is registered.
+ */
+ isPluginRegistered : function(ptype){
+ return ptypes[ptype] !== undefined;
+ },
/**
* Registers a new Component constructor, keyed by a new
@@ -104,7 +126,7 @@ Ext.ComponentMgr = function(){
* config object's {@link Ext.component#xtype xtype} to determine the class to instantiate.
* @param {Object} config A configuration object for the Component you wish to create.
* @param {Constructor} defaultType The constructor to provide the default Component type if
- * the config object does not contain a xtype. (Optional if the config contains a xtype).
+ * the config object does not contain a xtype. (Optional if the config contains a xtype).
* @return {Ext.Component} The newly instantiated Component.
*/
create : function(config, defaultType){
@@ -130,11 +152,16 @@ Ext.ComponentMgr = function(){
* config object's {@link Ext.component#ptype ptype} to determine the class to instantiate.
* @param {Object} config A configuration object for the Plugin you wish to create.
* @param {Constructor} defaultType The constructor to provide the default Plugin type if
- * the config object does not contain a ptype. (Optional if the config contains a ptype).
+ * the config object does not contain a ptype. (Optional if the config contains a ptype).
* @return {Ext.Component} The newly instantiated Plugin.
*/
createPlugin : function(config, defaultType){
- return new ptypes[config.ptype || defaultType](config);
+ var PluginCls = ptypes[config.ptype || defaultType];
+ if (PluginCls.init) {
+ return PluginCls;
+ } else {
+ return new PluginCls(config);
+ }
}
};
}();
@@ -157,7 +184,17 @@ Ext.reg = Ext.ComponentMgr.registerType; // this will be called a lot internally
* @method preg
*/
Ext.preg = Ext.ComponentMgr.registerPlugin;
-Ext.create = Ext.ComponentMgr.create;
-
+
xtype. (Optional if the config contains a xtype).
+ * @return {Ext.Component} The newly instantiated Component.
+ * @member Ext
+ * @method create
+ */
+Ext.create = Ext.ComponentMgr.create;
\ No newline at end of file