TourDeFlex/TourDeFlex/src/components/DownloadWindow.mxml

<?xml version="1.0" encoding="utf-8"?>
<!--

  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

-->
<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" horizontalAlign="center" verticalAlign="middle" styleName="downloadWindow" width="300" height="150" creationComplete="init()">
	<mx:Script>
	<![CDATA[
		import mx.controls.Alert;
		import mx.managers.PopUpManager;
		
		private var fileReference:FileReference;
		private var localFileToSave:File;
		private var fileToSave:File;
				
		private function init():void
		{
			fileReference = new FileReference();
		}
		
		public function download(path:String, localRootPath:String):void
		{
			if(path.toLowerCase().indexOf("http") == 0)
				downloadHttp(path);
			else
				downloadLocal(localRootPath + path);			
		}
		
		private function downloadLocal(path:String):void
		{		
			localFileToSave = File.applicationDirectory.resolvePath(path);
			
			fileToSave = new File(File.documentsDirectory.nativePath + File.separator + localFileToSave.name);
			fileToSave.addEventListener(Event.SELECT, downloadLocal_directorySelect);
			fileToSave.addEventListener(Event.CANCEL, downloadLocal_directorySelectCancel);
			fileToSave.browseForSave("Save As");			
		}
		
		private function downloadLocal_directorySelect(event:Event):void 
		{			
			localFileToSave.addEventListener(ProgressEvent.PROGRESS, download_progressHandler);
			localFileToSave.addEventListener(Event.COMPLETE, download_completeHandler);
			localFileToSave.copyToAsync(fileToSave, true);
			progressBar_download.setProgress(100,100);
		}	
		
		private function downloadLocal_directorySelectCancel(event:Event):void 
		{
			PopUpManager.removePopUp(this);
		}		

		private function downloadHttp(path:String):void
		{
			var request:URLRequest = new URLRequest(path);
			fileReference = new FileReference();
			fileReference.addEventListener(Event.OPEN, download_openHandler);
			fileReference.addEventListener(ProgressEvent.PROGRESS, download_progressHandler);
			fileReference.addEventListener(Event.COMPLETE, download_completeHandler);
			
			try
			{
				fileReference.download(request);
			}
			catch (error:Error)
			{
				Alert.show(error.message, "Download Error");
			}
		}
		
		private function download_openHandler(event:Event):void
    {
			progressBar_download.label = "DOWNLOADING %3%%";
			button_cancel.visible = true;
			button_close.visible = false;
    }
		
 		private function download_progressHandler(event:ProgressEvent):void
		{
			progressBar_download.setProgress(event.bytesLoaded, event.bytesTotal);
		}	
		
 		private function download_cancel(event:MouseEvent):void
		{
			fileReference.cancel();
			progressBar_download.label = "CANCELLED";
			button_close.visible = true;
			button_cancel.visible = false;
			
			PopUpManager.removePopUp(this);
		}			
		
		private function download_completeHandler(event:Event):void
		{
			progressBar_download.label = "DOWNLOAD COMPLETE";
			button_close.visible = true;
			button_cancel.visible = false;
		}
		
	]]>
	</mx:Script>	
	
	<mx:ProgressBar id="progressBar_download" width="90%" mode="manual" label="DOWNLOADING..." />	
	
	<mx:Canvas>
		<mx:Button id="button_cancel" label="Cancel" visible="false" click="download_cancel(event)" horizontalCenter="0" />		
		<mx:Button id="button_close" label="Close" click="{PopUpManager.removePopUp(this)}" horizontalCenter="0"/>
	</mx:Canvas>
	
</mx:TitleWindow>