-For additional details see <a href="output/Ext.util.MixedCollection.html#Ext.util.MixedCollection-get" ext:member="get" ext:cls="Ext.util.MixedCollection">Ext.util.MixedCollection.get</a>.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>id</code> : String<div class="sub-desc">The component <a href="output/Ext.Component.html#Ext.Component-id" ext:member="id" ext:cls="Ext.Component">id</a></div></li></ul><strong>Returns:</strong><ul><li><code>Ext.Component</code><div class="sub-desc">The Component, <tt>undefined</tt> if not found, or <tt>null</tt> if a
-Class was found.</div></li></ul></div></div></div></td><td class="msource">ComponentMgr</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.ComponentMgr-isRegistered"></a><b><a href="source/ComponentMgr.html#method-Ext.ComponentMgr-isRegistered">isRegistered</a></b>( <code>Ext.Component xtype</code> )
+For additional details see <a href="output/Ext.util.MixedCollection.html#Ext.util.MixedCollection-get" ext:member="get" ext:cls="Ext.util.MixedCollection">Ext.util.MixedCollection.get</a>.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>id</code> : String<div class="sub-desc">The component <a href="output/Ext.Component.html#Ext.Component-id" ext:member="id" ext:cls="Ext.Component">id</a></div></li></ul><strong>Returns:</strong><ul><li><code>Ext.Component</code><div class="sub-desc">The Component, <code>undefined</code> if not found, or <code>null</code> if a
+Class was found.</div></li></ul></div></div></div></td><td class="msource">ComponentMgr</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.ComponentMgr-isPluginRegistered"></a><b><a href="source/ComponentMgr.html#method-Ext.ComponentMgr-isPluginRegistered">isPluginRegistered</a></b>( <code>Ext.Component ptype</code> )
+ :
+ Boolean<div class="mdesc"><div class="short">Checks if a Plugin type is registered.</div><div class="long">Checks if a Plugin type is registered.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>ptype</code> : Ext.Component<div class="sub-desc">The mnemonic string by which the Plugin class may be looked up</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">Whether the type is registered.</div></li></ul></div></div></div></td><td class="msource">ComponentMgr</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.ComponentMgr-isRegistered"></a><b><a href="source/ComponentMgr.html#method-Ext.ComponentMgr-isRegistered">isRegistered</a></b>( <code>Ext.Component xtype</code> )