+
+ <div id="method-Ext.ComponentMgr-isPluginRegistered"></div>/**
+ * 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;
+ },