/*
+ * Based on:
+ * Ext JS Library 1.1.1
+ * Copyright(c) 2006-2007, Ext JS, LLC.
+ *
+ * Originally Released Under LGPL - original licence link has changed is not relivant.
+ *
+ * Fork - LGPL
+ * <script type="text/javascript">
+ */
+/**
+ * @class Roo.state.Manager
+ * This is the global state manager. By default all components that are "state aware" check this class
+ * for state information if you don't pass them a custom state provider. In order for this class
+ * to be useful, it must be initialized with a provider when your application initializes.
+ <pre><code>
+// in your initialization function
+init : function(){
+ Roo.state.Manager.setProvider(new Roo.state.CookieProvider());
+ ...
+ // supposed you have a {@link Roo.BorderLayout}
+ var layout = new Roo.BorderLayout(...);
+ layout.restoreState();
+ // or a {Roo.BasicDialog}
+ var dialog = new Roo.BasicDialog(...);
+ dialog.restoreState();
+ </code></pre>
+ * @singleton
+ */
+Roo.state.Manager = function(){
+ var provider = new Roo.state.Provider();
+
+ return {
+ /**
+ * Configures the default state provider for your application
+ * @param {Provider} stateProvider The state provider to set
+ */
+ setProvider : function(stateProvider){
+ provider = stateProvider;
+ },
+
+ /**
+ * Returns the current value for a key
+ * @param {String} name The key name
+ * @param {Mixed} defaultValue The default value to return if the key lookup does not match
+ * @return {Mixed} The state data
+ */
+ get : function(key, defaultValue){
+ return provider.get(key, defaultValue);
+ },
+
+ /**
+ * Sets the value for a key
+ * @param {String} name The key name
+ * @param {Mixed} value The state data
+ */
+ set : function(key, value){
+ provider.set(key, value);
+ },
+
+ /**
+ * Clears a value from the state
+ * @param {String} name The key name
+ */
+ clear : function(key){
+ provider.clear(key);
+ },
+
+ /**
+ * Gets the currently configured state provider
+ * @return {Provider} The state provider
+ */
+ getProvider : function(){
+ return provider;
+ }
+ };
+}();
+
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