/*!
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* Ext JS Library 3.1.0
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* Copyright(c) 2006-2009 Ext JS, LLC
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* licensing@extjs.com
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* http://www.extjs.com/license
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*/
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/**
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* @class Ext.state.Manager
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* This is the global state manager. By default all components that are "state aware" check this class
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* for state information if you don't pass them a custom state provider. In order for this class
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* to be useful, it must be initialized with a provider when your application initializes. Example usage:
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<pre><code>
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// in your initialization function
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init : function(){
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Ext.state.Manager.setProvider(new Ext.state.CookieProvider());
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var win = new Window(...);
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win.restoreState();
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}
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</code></pre>
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* @singleton
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*/
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Ext.state.Manager = function(){
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var provider = new Ext.state.Provider();
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return {
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/**
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* Configures the default state provider for your application
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* @param {Provider} stateProvider The state provider to set
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*/
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setProvider : function(stateProvider){
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provider = stateProvider;
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},
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/**
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* Returns the current value for a key
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* @param {String} name The key name
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* @param {Mixed} defaultValue The default value to return if the key lookup does not match
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* @return {Mixed} The state data
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*/
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get : function(key, defaultValue){
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return provider.get(key, defaultValue);
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},
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/**
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* Sets the value for a key
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* @param {String} name The key name
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* @param {Mixed} value The state data
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*/
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set : function(key, value){
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provider.set(key, value);
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},
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/**
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* Clears a value from the state
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* @param {String} name The key name
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*/
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clear : function(key){
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provider.clear(key);
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},
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/**
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* Gets the currently configured state provider
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* @return {Provider} The state provider
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*/
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getProvider : function(){
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return provider;
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}
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};
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}();
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