package 

{ 

    import flash.display.Sprite; 

    import flash.events.*;  

    import flash.net.FileFilter; 

    import flash.net.FileReference; 

    import flash.net.URLRequest; 

    import flash.utils.ByteArray;

 

 

    public class FileReferenceExample2 extends Sprite 

    { 

        private var fileRef:FileReference= new FileReference(); 

        public function FileReferenceExample2() 

        { 

            fileRef.addEventListener(Event.SELECT, onFileSelected); 

            fileRef.addEventListener(Event.CANCEL, onCancel); 

            fileRef.addEventListener(IOErrorEvent.IO_ERROR, onIOError); 

            fileRef.addEventListener(SecurityErrorEvent.SECURITY_ERROR, 

                        onSecurityError); 

            var textTypeFilter:FileFilter = new FileFilter("Text Files (*.txt, *.rtf)", 

                        "*.txt;*.rtf"); 

            fileRef.browse([textTypeFilter]); 

        } 

        public function onFileSelected(evt:Event):void 

        { 

            fileRef.addEventListener(ProgressEvent.PROGRESS, onProgress); 

            fileRef.addEventListener(Event.COMPLETE, onComplete); 

            fileRef.load(); 

        } 

 

        public function onProgress(evt:ProgressEvent):void 

        { 

            trace("Loaded " + evt.bytesLoaded + " of " + evt.bytesTotal + " bytes."); 

        } 

        public function onCancel(evt:Event):void 

        { 

            trace("The browse request was canceled by the user."); 

        } 

        public function onComplete(evt:Event):void 

        { 

            trace("File was successfully loaded."); 

            fileRef.removeEventListener(Event.SELECT, onFileSelected); 

            fileRef.removeEventListener(ProgressEvent.PROGRESS, onProgress); 

            fileRef.removeEventListener(Event.COMPLETE, onComplete); 

            fileRef.removeEventListener(Event.CANCEL, onCancel); 

            saveFile(); 

        } 

        public function saveFile():void 

        { 

            fileRef.addEventListener(Event.SELECT, onSaveFileSelected); 

            fileRef.save(fileRef.data,"NewFileName.txt"); 

        } 

 

        public function onSaveFileSelected(evt:Event):void 

        { 

            fileRef.addEventListener(ProgressEvent.PROGRESS, onSaveProgress); 

            fileRef.addEventListener(Event.COMPLETE, onSaveComplete); 

            fileRef.addEventListener(Event.CANCEL, onSaveCancel); 

        } 

 

        public function onSaveProgress(evt:ProgressEvent):void 

        { 

            trace("Saved " + evt.bytesLoaded + " of " + evt.bytesTotal + " bytes."); 

        } 

 

        public function onSaveComplete(evt:Event):void 

        { 

            trace("File saved."); 

            fileRef.removeEventListener(Event.SELECT, onSaveFileSelected); 

            fileRef.removeEventListener(ProgressEvent.PROGRESS, onSaveProgress); 

            fileRef.removeEventListener(Event.COMPLETE, onSaveComplete); 

            fileRef.removeEventListener(Event.CANCEL, onSaveCancel); 

        } 

 

        public function onSaveCancel(evt:Event):void 

        { 

            trace("The save request was canceled by the user."); 

        } 

 

        public function onIOError(evt:IOErrorEvent):void 

        { 

            trace("There was an IO Error."); 

        } 

        public function onSecurityError(evt:Event):void 

        { 

            trace("There was a security error."); 

        } 

    } 

}