<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical">
 
	<mx:Script>
		<![CDATA[
			import flash.net.navigateToURL;
			import mx.events.ListEvent;
			import mx.collections.ArrayCollection;
			import mx.rpc.events.ResultEvent;
 
			private var fr:FileReference
 
			// Debug Path
			//private const PHP_PATH:String =  "http://localhost/_Formazione/ArticoliOnLine/Flex/2009_09_03_DirectoryListInPhp/src/";
 
			// Final Path
			private const PHP_PATH:String =  "";
 
 
 
			/**
			 * File List update (make PHP call)
			 */
			private function updateList():void {
 
 
				// DEBUG inside Flex
				phpRPC.url= PHP_PATH + "php/filesystem.php?action=list_files";
 
				// FINAL version
				//phpRPC.url="php/filesystem.php?action=list_files";
				phpRPC.send()
 
			}
 
 
 
			/**
			 * Called when PHP call is completed 
			 */
			private function resultHandler(e:ResultEvent):void {
 
				// We split the result string with the file list creating 
				// an array useful to populate the List Data Provider 
				fileList.dataProvider = new ArrayCollection( phpRPC.lastResult.file_names.split("|") )
 
			}
 
 
 
 
			/**
			 * Invoked after every List Selection 
			 */			
			private function listClick(e:ListEvent):void {
 
				// To Open the selected File in a new Window decomment following row
				// navigateToURL(new URLRequest("php/uploads/" + e.currentTarget.selectedItem))
 
				// To Open the Browser Window
				fr = new FileReference();
				var request:URLRequest = new URLRequest();
				request.url = PHP_PATH + "uploads/" + e.currentTarget.selectedItem;
        		fr.download(request);
			}
 
		]]>
	</mx:Script>
 
 
	<mx:HTTPService 
		id="phpRPC" 		
		resultFormat="flashvars"
		result="resultHandler(event)"
		/>
 
 
	<mx:Button label="Show files" click="updateList()"/>
	<mx:List id="fileList" change="listClick(event)"></mx:List>
 
</mx:Application>

<?php
 
 
	require_once "class_filesystem.php";
 
	// CARTELLA  SU CUI EFFETTUARE LE OPERAZIONI
	$base_dir = "../uploads/";
 
	$fs = new CFileSystem();
 
 
	switch($_GET["action"])
	{
 
 
		// Determinazione dei file contenuti all'interno di una cartella
		case "list_files":
 
			$files = $fs->ListFiles($base_dir . $_GET["folder"]);
 
			if (!$files)
				$result = false;
			else
			{
				// Preparazione output per Flash
				echo "file_names=" ;
				foreach( $files as $file )
				{
					// Inserire nell'IF altri file che non devono essere presi in considerazione
					if ( $file != "." &&
						  $file != ".." &&
						  $file != ".htaccess" &&
						  $file != "index.php" &&
						  $file != "cgi-bin" )
					{ 
						echo urlencode($file) . "|" ;
					};
				};
				echo "&" ;
 
				$result = true;
			}
			break;
 
 
 
 
	}
 
 
 
	// Output per Flash - Esito dell'operazione
	if ($result)
		echo "result=1&";
	else
		echo "result=0&";
 
 
 
?>

<?php
 
 
	class CFileSystem
	{
 
 
 
		function ListFiles($folder_path)
		{
			$files = array();
 
			$d = @dir($folder_path);
 
			if ($d == "")
				return false;
 
			while($entry = $d->read())
				array_push($files,$entry);
			$d->close();
 
			return($files);
		}
 
 
 
	}
 
?>