Erko Bridee

<?xml version="1.0" encoding="utf-8"?>
<mx:VBox
	xmlns:mx="http://www.adobe.com/2006/mxml"
	width="400" height="300"
	creationComplete="init()" horizontalAlign="center">
 
	<mx:Script>
		<![CDATA[
			import com.erkobridee.flex.util.file.LocalFileHelper;
 
			import mx.controls.Alert;
 
			import com.erkobridee.flex.util.file.enum.*;
			import com.erkobridee.flex.util.file.events.*;
 
			//------------------------------------------------------------------
			private var localFileHelper:LocalFileHelper;
			//------------------------------------------------------------------
			private function init():void {
				localFileHelper = new LocalFileHelper( FileTypeFormat.FILE_FILTER_TEXT_TYPE );
 
				localFileHelper.addEventListener(LocalFileEvent.FILE_LOAD_BROWSE, onFileSelect);
				localFileHelper.addEventListener(LocalFileEvent.FILE_SAVE_BROWSE, function():void { trace("Save browse complete"); } );
				localFileHelper.addEventListener(LocalFileEvent.FILE_SAVE_SUCCESSFULLY, function():void { trace("Save complete!"); } );
				localFileHelper.addEventListener(LocalFileEvent.FILE_CANCEL, function():void { Alert.show("Cancel"); } );
				localFileHelper.addEventListener(LocalFileErrorEvent.FILE_ERROR, function():void { trace("file error") } );
 
				localFileHelper.addEventListener(LocalFileLoadProgressEvent.FILE_LOAD_PROGRESS, onLoadProgress);
				localFileHelper.addEventListener(LocalFileSaveProgressEvent.FILE_SAVE_PROGRESS, onSaveProgress);
 
			}
			//------------------------------------------------------------------
			private function loadFile():void {
				this.reset();
 
				localFileHelper.browse();
			}
 
			//------- SAVE
 
			private function saveFile():void {
 
				localFileHelper.save( output.text, "output.txt" );
 
				this.reset();
			}
 
			private function reset():void {
				loadProgressBar.setProgress(0,0);
				saveProgressBar.setProgress(0,0);
				output.text = "";
				System.gc();
			}
 
			//------------------------------------------------------------------
			// event handlers
			private function onFileSelect(event:LocalFileEvent):void {
				localFileHelper.addEventListener(LocalFileLoadedEvent.DATA_LOADED, onDataLoaded );
				localFileHelper.load();
			}
 
			private function onDataLoaded(event:LocalFileLoadedEvent):void {
				output.text = LocalFileHelper.convertByteArrayToText( event.byteLoaded );
			}
 
			private function onLoadProgress(event:LocalFileLoadProgressEvent):void {
				loadProgressBar.setProgress(event.done, event.total);
			}
 
			private function onSaveProgress(event:LocalFileSaveProgressEvent):void {
				saveProgressBar.setProgress(event.done, event.total);
			}
 
		]]>
	</mx:Script>
 
	<mx:TextArea
		id="output"
		width="100%" height="100%"/>
 
	<mx:HBox width="100%" horizontalAlign="center">
		<mx:Button label="Load" click="loadFile()"/>
		<mx:Button label="Save" click="saveFile()"/>
		<mx:Button label="Reset" click="reset()"/>
	</mx:HBox>
 
	<mx:Form>
		<mx:FormItem label="File load">
			<mx:ProgressBar id="loadProgressBar" mode="manual"/>
		</mx:FormItem>
 
		<mx:FormItem label="File save">
			<mx:ProgressBar id="saveProgressBar" mode="manual"/>
		</mx:FormItem>
	</mx:Form>
 
</mx:VBox>