X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/0494b8d9b9bb03ab6c22b34dae81261e3cd7e3e6..7a654f8d43fdb43d78b63d90528bed6e86b608cc:/src/ComponentManager.js diff --git a/src/ComponentManager.js b/src/ComponentManager.js new file mode 100644 index 00000000..af7a397c --- /dev/null +++ b/src/ComponentManager.js @@ -0,0 +1,53 @@ +/** + * @class Ext.ComponentManager + * @extends Ext.AbstractManager + *
Provides a registry of all Components (instances of {@link Ext.Component} or any subclass + * thereof) on a page so that they can be easily accessed by {@link Ext.Component component} + * {@link Ext.Component#id id} (see {@link #get}, or the convenience method {@link Ext#getCmp Ext.getCmp}).
+ *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 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
+ * 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}.
xtype
. (Optional if the config contains a xtype
).
+ * @return {Ext.Component} The newly instantiated Component.
+ */
+ create: function(component, defaultType){
+ if (component instanceof Ext.AbstractComponent) {
+ return component;
+ }
+ else if (Ext.isString(component)) {
+ return Ext.createByAlias('widget.' + component);
+ }
+ else {
+ var type = component.xtype || defaultType,
+ config = component;
+
+ return Ext.createByAlias('widget.' + type, config);
+ }
+ },
+
+ registerType: function(type, cls) {
+ this.types[type] = cls;
+ cls[this.typeName] = type;
+ cls.prototype[this.typeName] = type;
+ }
+});
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