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<?xml version="1.0"
encoding="utf-8"?>
<mx:Application
xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical" creationComplete="initApp()">
<mx:Script>
<![CDATA[
import mx.controls.Alert;
import mx.utils.ObjectUtil;
import flash.events.*;
import flash.net.FileReference;
import flash.net.URLRequest;
private var fileRef:FileReference;
private function initApp():void {
fileRef = new FileReference();
fileRef.addEventListener(Event.CANCEL,
traceEvent);
fileRef.addEventListener(Event.COMPLETE, completeEvent);
fileRef.addEventListener(Event.SELECT,
selectEvent);
fileRef.addEventListener(IOErrorEvent.IO_ERROR, traceEvent);
fileRef.addEventListener(Event.OPEN,
traceEvent);
fileRef.addEventListener(ProgressEvent.PROGRESS,
progressEvent);
fileRef.addEventListener(SecurityErrorEvent.SECURITY_ERROR, traceEvent);
}
private function
traceEvent(event:Event):void {
var tmp:String =
"================================\n";
ta.text += tmp +
event.type + " event:" + mx.utils.ObjectUtil.toString(event) +
"\n" ;
ta.verticalScrollPosition
+= 20;
}
private function
ioErrorEvent(event:IOErrorEvent):void{
Alert.show("IOError:"
+ event.text);
traceEvent(event);
}
private function
selectEvent(event:Event):void{
btn_upload.enabled =
true;
traceEvent(event);
// Alert.show(String(fileRef.name));
filename.text =
fileRef.name;
progressBar.setProgress(0,
100);
progressBar.label =
"Loading 0%";
}
private function
progressEvent(event:ProgressEvent):void {
progressBar.setProgress(event.bytesLoaded,
event.bytesTotal);
traceEvent(event);
}
private function
completeEvent(event:Event):void {
progressBar.label =
"Complete.";
Alert.show(filename.text);
filename.text +=
" uploaded";
traceEvent(event);
btn_upload.enabled =
false;
btn_cancel.enabled =
false;
}
private function
uploadFile(endpoint:String):void {
var param:String =
"author=" + ti_author.text;
var req:URLRequest =
new URLRequest(endpoint);
req.method =
URLRequestMethod.POST;
Alert.show(String(req.method));
fileRef.upload(req,
param, false);
progressBar.label =
"Uploading...";
btn_cancel.enabled =
true;
}
]]>
</mx:Script>
<mx:Panel title="Flex 2 File Uploading
Demo" width="100%" height="100%" >
<mx:Form>
<mx:FormItem
label="Upload URL:">
<mx:TextInput
id="uploadURL" width="100%" text=""
enabled="true" />
</mx:FormItem>
<mx:FormItem
label="Selected File:">
<mx:Label
id="filename"/>
</mx:FormItem>
<mx:FormItem
label="Upload By:">
<mx:TextInput
id="ti_author" text="Author" />
</mx:FormItem>
<mx:FormItem
direction="horizontal" width="100%">
<mx:Button
width="80" label="Browse"
click="fileRef.browse()" />
<mx:Button
width="80" label="Upload" id="btn_upload"
enabled="false" click="uploadFile(uploadURL.text)" />
<mx:Button
width="80" label="Cancel" id="btn_cancel"
enabled="false" click="fileRef.cancel()" />
</mx:FormItem>
<mx:HRule
width="100%" tabEnabled="false"/>
<mx:FormItem
label="Progress:">
<mx:ProgressBar
id="progressBar" mode="manual" />
</mx:FormItem>
<mx:FormItem
label="Events:">
<mx:TextArea
id="ta" width="350" height="200" />
</mx:FormItem>
</mx:Form>
</mx:Panel>
</mx:Application>
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