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ParamsProxy for PureMVC

/ Published in: ActionScript 3
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  1. package com.me.myapp.model
  2. {
  3.  
  4. 	import org.puremvc.as3.multicore.patterns.proxy.Proxy;
  5.  
  6. 	/**
  7. 	 * Parameters Proxy.
  8. 	 * <P>
  9. 	 * Maintains the parameters object that corresponds to 
  10. 	 * the <code>FlashVars</code> passed into the Application 
  11. 	 * via the OBJECT/EMBED tag in the HTML wrapper.</P>
  12. 	 */
  13. 	public class ParamsProxy extends Proxy 
  14. 	{
  15. 		public static const NAME:String = "ParamsProxy";
  16.  
  17. 		/**
  18. 		 * Constructor. 
  19. 		 */
  20. 		public function ParamsProxy( params:Object ) 
  21. 		{
  22. 	       		super ( NAME, params );
  23. 		}
  24.  
  25.  
  26. 		/**
  27. 		 * Get the vendorName parameter.
  28. 		 */
  29.      		public function get vendorName():String
  30.      		{
  31.      			return params.vendorName as String;
  32.      		}
  33.  
  34. 		/**
  35. 		 * Get the appName parameter.
  36. 		 */
  37.      		public function get appName():String
  38.      		{
  39.      			return params.appName as String;
  40.      		}
  41.  
  42. 		/**
  43. 		 * Get the appVersion parameter.
  44. 		 */
  45.      		public function get appVersion():String
  46.      		{
  47.      			return params.appVersion as String;
  48.      		}
  49.  
  50.      		/**
  51.      		 * The parameters supplied to the main application.
  52.      		 * <P>
  53.      		 * There are two sources of parameters: the query 
  54.      		 * string of the Application's URL, and the value 
  55.      		 * of the FlashVars HTML parameter.</P> 
  56.      		 */
  57.      		public function get params():Object
  58.      		{
  59.      			return data as Object;
  60.      		}
  61.  
  62. 	}
  63. }
  64.  
  65. ///"In the StartupCommand, since I have a reference to the Application, and parameters is a direct public property, I just register a ParamsProxy at that time:"
  66.  
  67. package com.me.myapp
  68. {
  69. 	import com.me.myapp.MyApp;
  70. 	import com.me.myapp.model.ParamsProxy;
  71. 	import com.me.myapp.view.ApplicationMediator;
  72.  
  73. 	import org.puremvc.as3.multicore.interfaces.INotification;
  74. 	import org.puremvc.as3.multicore.patterns.command.SimpleCommand;
  75.  
  76. 	/** 
  77. 	 * Startup.
  78. 	 * 
  79. 	 * Creates and registers the initial Proxies and Mediators
  80. 	 * 
  81. 	 * @param note the STARTUP notification
  82. 	 */ 
  83. 	public class StartupCommand extends SimpleCommand
  84. 	{
  85. 		override public function execute(note:INotification):void
  86. 		{
  87. 			// Retrieve the Application reference and register the ApplicationMediator  
  88. 			var myApp:MyApp = note.getBody() as MyApp;
  89.  
  90. 			// Register the ParamsProxy
  91. 			// It maintains the FlashVars and initial QueryString parameters
  92. 			facade.registerProxy( new ParamsProxy( myApp.parent.loaderInfo.parameters ) );	
  93.  
  94. 			// Register the ApplicationMediator
  95. 			facade.registerMediator( new ApplicationMediator( myApp ) );
  96.  
  97. 		}
  98.  
  99. 	}
  100. }

URL: http://forums.puremvc.org/index.php?topic=622.0

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