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- <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-<div id="cls-Ext.ComponentMgr"></div>/**
- * @class Ext.ComponentMgr
- * <p>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}).</p>
- * <p>This object also provides a registry of available Component <i>classes</i>
- * indexed by a mnemonic code known as the Component's {@link Ext.Component#xtype xtype}.
- * The <code>{@link Ext.Component#xtype xtype}</code> provides a way to avoid instantiating child Components
- * when creating a full, nested config object for a complete Ext page.</p>
- * <p>A child Component may be specified simply as a <i>config object</i>
- * as long as the correct <code>{@link Ext.Component#xtype xtype}</code> is specified so that if and when the Component
- * needs rendering, the correct type can be looked up for lazy instantiation.</p>
- * <p>For a list of all available <code>{@link Ext.Component#xtype xtypes}</code>, see {@link Ext.Component}.</p>
- * @singleton
- */
-Ext.ComponentMgr = function(){
- var all = new Ext.util.MixedCollection();
- var types = {};
- var ptypes = {};
-
- return {
- <div id="method-Ext.ComponentMgr-register"></div>/**
- * Registers a component.
- * @param {Ext.Component} c The component
- */
- register : function(c){
- all.add(c);
- },
-
- <div id="method-Ext.ComponentMgr-unregister"></div>/**
- * Unregisters a component.
- * @param {Ext.Component} c The component
- */
- unregister : function(c){
- all.remove(c);
- },
-
- <div id="method-Ext.ComponentMgr-get"></div>/**
- * Returns a component by {@link Ext.Component#id id}.
- * For additional details see {@link Ext.util.MixedCollection#get}.
- * @param {String} id The component {@link Ext.Component#id id}
- * @return Ext.Component The Component, <code>undefined</code> if not found, or <code>null</code> if a
- * Class was found.
- */
- get : function(id){
- return all.get(id);
- },
-
- <div id="method-Ext.ComponentMgr-onAvailable"></div>/**
- * 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 (<code>this</code> reference) in which the callback is executed. Defaults to the Component.
- */
- onAvailable : function(id, fn, scope){
- all.on("add", function(index, o){
- if(o.id == id){
- fn.call(scope || o, o);
- all.un("add", fn, scope);
- }
- });
- },
-
- <div id="prop-Ext.ComponentMgr-all"></div>/**
- * The MixedCollection used internally for the component cache. An example usage may be subscribing to
- * events on the MixedCollection to monitor addition or removal. Read-only.
- * @type {MixedCollection}
- */
- all : all,
-
- <div id="prop-Ext.ComponentMgr-types"></div>/**
- * The xtypes that have been registered with the component manager.
- * @type {Object}
- */
- types : types,
-
- <div id="prop-Ext.ComponentMgr-ptypes"></div>/**
- * The ptypes that have been registered with the component manager.
- * @type {Object}
- */
- ptypes: ptypes,
-
- <div id="method-Ext.ComponentMgr-isRegistered"></div>/**
- * Checks if a Component type is registered.
- * @param {Ext.Component} xtype The mnemonic string by which the Component class may be looked up
- * @return {Boolean} Whether the type is registered.
- */
- isRegistered : function(xtype){
- return types[xtype] !== undefined;
- },
-
- <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;
- },
-
- <div id="method-Ext.ComponentMgr-registerType"></div>/**
- * <p>Registers a new Component constructor, keyed by a new
- * {@link Ext.Component#xtype}.</p>
- * <p>Use this method (or its alias {@link Ext#reg Ext.reg}) to register new
- * subclasses of {@link Ext.Component} so that lazy instantiation may be used when specifying
- * child Components.
- * see {@link Ext.Container#items}</p>
- * @param {String} xtype The mnemonic string by which the Component class may be looked up.
- * @param {Constructor} cls The new Component class.
- */
- registerType : function(xtype, cls){
- types[xtype] = cls;
- cls.xtype = xtype;
- },
-
- <div id="method-Ext.ComponentMgr-create"></div>/**
- * Creates a new Component from the specified config object using the
- * 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 <code>xtype</code>. (Optional if the config contains a <code>xtype</code>).
- * @return {Ext.Component} The newly instantiated Component.
- */
- create : function(config, defaultType){
- return config.render ? config : new types[config.xtype || defaultType](config);
- },
-
- <div id="method-Ext.ComponentMgr-registerPlugin"></div>/**
- * <p>Registers a new Plugin constructor, keyed by a new
- * {@link Ext.Component#ptype}.</p>
- * <p>Use this method (or its alias {@link Ext#preg Ext.preg}) to register new
- * plugins for {@link Ext.Component}s so that lazy instantiation may be used when specifying
- * Plugins.</p>
- * @param {String} ptype The mnemonic string by which the Plugin class may be looked up.
- * @param {Constructor} cls The new Plugin class.
- */
- registerPlugin : function(ptype, cls){
- ptypes[ptype] = cls;
- cls.ptype = ptype;
- },
-
- <div id="method-Ext.ComponentMgr-createPlugin"></div>/**
- * Creates a new Plugin from the specified config object using the
- * 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 <code>ptype</code>. (Optional if the config contains a <code>ptype</code>).
- * @return {Ext.Component} The newly instantiated Plugin.
- */
- createPlugin : function(config, defaultType){
- var PluginCls = ptypes[config.ptype || defaultType];
- if (PluginCls.init) {
- return PluginCls;
- } else {
- return new PluginCls(config);
- }
- }
- };
-}();
-
-<div id="method-Ext-reg"></div>/**
- * Shorthand for {@link Ext.ComponentMgr#registerType}
- * @param {String} xtype The {@link Ext.component#xtype mnemonic string} by which the Component class
- * may be looked up.
- * @param {Constructor} cls The new Component class.
- * @member Ext
- * @method reg
- */
-Ext.reg = Ext.ComponentMgr.registerType; // this will be called a lot internally, shorthand to keep the bytes down
-<div id="method-Ext-preg"></div>/**
- * Shorthand for {@link Ext.ComponentMgr#registerPlugin}
- * @param {String} ptype The {@link Ext.component#ptype mnemonic string} by which the Plugin class
- * may be looked up.
- * @param {Constructor} cls The new Plugin class.
- * @member Ext
- * @method preg
- */
-Ext.preg = Ext.ComponentMgr.registerPlugin;
-<div id="method-Ext-create"></div>/**
- * Shorthand for {@link Ext.ComponentMgr#create}
- * Creates a new Component from the specified config object using the
- * 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 <code>xtype</code>. (Optional if the config contains a <code>xtype</code>).
- * @return {Ext.Component} The newly instantiated Component.
- * @member Ext
- * @method create
- */
-Ext.create = Ext.ComponentMgr.create;</pre>
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