<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow 
	xmlns:mx="http://www.adobe.com/2006/mxml" 
	layout="absolute" 
	width="500" 
	height="250" 
	showCloseButton="true" 
	creationComplete="creationCompleteHandler(event);"
	close="onCloseHandler(event);" 
	title="Feeds Imasters - Seção Flex">
 
	<mx:Script>
		<![CDATA[
 
			import flash.desktop.NativeApplication;
			import mx.events.CloseEvent;
			import mx.events.FlexEvent;			
			import mx.rpc.events.ResultEvent;
 
			/**
			 * Dataprovider do grid
			 */			
			private var xmlList : XMLList;
 
    		/**
    		 * Evento disparado na finalização da construção do componente
    		 * Responsavel por iniciar o HTTPService para leitura do feed
    		 */
			private function creationCompleteHandler(event:FlexEvent) : void
			{
				this.service.send();
			}
 
			/**
			 * Evento disparado no termino com sucesso da leitura do HTTPService
			 * Responsavel por adicionar ao grid o dataProvider
			 */
			private function serviceHandler(event:ResultEvent) : void
			{
				var result : XML = new XML(event.result);
				xmlList	= result..item;
				this.grid.dataProvider	= xmlList;
			}
 
    		/**
    		 * Evento disparado no fechar da TitleWindow, ele é responsável por fechar a aplicação
    		 */			
			private function onCloseHandler(event:CloseEvent) : void 
			{
				NativeApplication.nativeApplication.exit();
			}
 
			/**
			 * Quando ocorrer um click no grid, o botao para abrir o link do post
			 * sera habilitado, e coloca os textos para os componentes do autor 
			 * e descrição do post
			 */
			private function onClickGridHandler(event:MouseEvent) : void
			{
				this.btnLink.visible	= true;
				this.autor.text			= ((this.grid.selectedItem) as Object)['author'];
				this.descricao.text		= ((this.grid.selectedItem) as Object)['description'];
			}
 
			/**
			 * Click do botao para visualizar o artigo
			 */
			private function onBtnLinkClickHandler(event:MouseEvent) : void
			{
				navigateToURL(new URLRequest(((this.grid.selectedItem) as Object)['guid'].toString()), "_blank");
			}
 
		]]>
	</mx:Script>
 
	<mx:HTTPService id="service" url="http://imasters.uol.com.br/feed/secao/flex" 
					showBusyCursor="true" resultFormat="e4x" 
					result="serviceHandler(event)"/>
 
	<mx:VBox bottom="5" left="5" right="5" top="5">
		<mx:AdvancedDataGrid id="grid" designViewDataType="flat" 
							 bottom="5" left="5" right="5" top="5" 
							 height="50%" width="100%"
							 click="onClickGridHandler(event);">
			<mx:columns>
				<mx:AdvancedDataGridColumn headerText="Titulo do artigo" dataField="title"/>
			</mx:columns>
		</mx:AdvancedDataGrid>
 
		<mx:Canvas 	height="50%" width="100%" borderColor="#DADADA" borderStyle="solid">
			<mx:Label x="6" y="6" id="autor" fontWeight="bold"/>
			<mx:TextArea 	height="53" id="descricao" bottom="6" left="6" right="6" 
							borderStyle="none" selectable="false" mouseFocusEnabled="false" 
							mouseEnabled="false"/>
			<mx:LinkButton 	x="383" y="4" label="Ler artigo" visible="false" 
							id="btnLink" click="onBtnLinkClickHandler(event);"/>
 
		</mx:Canvas>
 
	</mx:VBox>
 
</mx:TitleWindow>

<?xml version="1.0" encoding="utf-8"?>
<mx:Application 
	xmlns:mx="http://www.adobe.com/2006/mxml"
	xmlns:app="br.com.horochovec.view.*" 
    width="500" height="250"
    layout="absolute"
    paddingRight="0"
    paddingLeft="0" 
    creationComplete="onCreationCompleteHandler(event);">
 
    <mx:Style>
    	/**
    	 * Estilo para a aplicação possuir o background transparente
    	 */
        Application 
        {
            background-color:""; 
            background-image:""; 
            padding: 0px;
        }
    </mx:Style>
 
    <mx:Script>
    	<![CDATA[
    		import air.update.events.DownloadErrorEvent;
 
    		import air.update.events.UpdateEvent;
    		import air.update.ApplicationUpdaterUI;
    		import mx.controls.Alert;
    		import mx.events.CloseEvent;
    		import mx.events.FlexEvent;
 
    		/**
    		 * Objeto para atualizacao automatica
    		 */
    		private var autoUpdater	: ApplicationUpdaterUI = new ApplicationUpdaterUI();
 
    		/**
    		 * Evento disparado na finalização da aplicação para adicionar um Listner de MouseDown 
    		 * no componente principal da aplicação
    		 */
    		private function onCreationCompleteHandler(event:FlexEvent) : void 
    		{
    			this.main.addEventListener( MouseEvent.MOUSE_DOWN,	onMouseDownHandler );
    			this.autoUpdateInit();
    		}
 
    		/**
    		 * Funcao para configuracao do inicio da atualizacao
    		 */
    		private function autoUpdateInit() : void 
    		{
    			this.autoUpdater.updateURL	= "http://www.horochovec.com.br/air/update-config.xml";
    			this.autoUpdater.isCheckForUpdateVisible	= false;
    			this.autoUpdater.addEventListener(UpdateEvent.INITIALIZED,	onUpdateApp);
    			this.autoUpdater.addEventListener(ErrorEvent.ERROR,			onErrorUpdate);
    			this.autoUpdater.initialize();
    		}
 
    		/**
    		 * Evento de inicializacao de atualizacao
    		 */
    		private function onUpdateApp(event:UpdateEvent) : void 
    		{
    			this.autoUpdater.checkNow();
    		}
 
    		/**
    		 * Evento em caso de erro na atualizacao
    		 */
    		private function onErrorUpdate(event:ErrorEvent) : void
    		{
    			Alert.show(event.toString());
    		}
 
    		/**
    		 * Possibilita arrastar o componente na janela atual 
    		 */
    		private function onMouseDownHandler(event:MouseEvent) : void
    		{
    			stage.nativeWindow.startMove();
    		}
 
 
    	]]>
    </mx:Script>
 
    <!-- Componente com a aplicação -->
    <app:Posts x="0" y="0" id="main"/>
 
</mx:Application>