installerLocaleEditor/src/org/apache/flex/runtimelocale/view/HelpView.mxml

<?xml version="1.0" encoding="utf-8"?>
<s:TitleWindow xmlns:fx="http://ns.adobe.com/mxml/2009"
			   xmlns:s="library://ns.adobe.com/flex/spark"
			   xmlns:mx="library://ns.adobe.com/flex/mx"
			   width="800"
			   height="600"
			   name="helpView"
			   title="Introductory help text"
			   implements="org.apache.flex.runtimelocale.view.IInjectableView"
			   close="titlewindow1_closeHandler(event)"
			   creationComplete="titlewindow1_creationCompleteHandler(event)">
	<fx:Script>
		<![CDATA[
			import mx.events.CloseEvent;
			import mx.events.FlexEvent;
			import mx.managers.PopUpManager;
			import org.apache.flex.runtimelocale.model.ApplicationModel;
			import org.as3commons.logging.api.ILogger;
			import org.as3commons.logging.api.getClassLogger;

			private static const logger:ILogger = getClassLogger(HelpView);

			private var _applicationModel:ApplicationModel;

			public function get applicationModel():ApplicationModel {
				return _applicationModel;
			}

			public function set applicationModel(value:ApplicationModel):void {
				if (value !== _applicationModel) {
					_applicationModel = value;
					if (_applicationModel) {
						var showHelp:String = _applicationModel.configurationProperties['showhelp'];
						alwaysShowHelp.selected = (showHelp.toLowerCase() == "true");
					}
				}
			}

			protected function alwaysShowHelp_changeHandler(event:Event):void {
				_applicationModel.configurationProperties['showhelp'] = (alwaysShowHelp.selected) ? "true" : false;
			}

			protected function titlewindow1_closeHandler(event:CloseEvent):void {
				PopUpManager.removePopUp(this);
			}

			protected function titlewindow1_creationCompleteHandler(event:FlexEvent):void {
				var helpFile:File = File.applicationDirectory.resolvePath("helptext.txt");
				if (helpFile.exists) {
					try {
						var fileStream:FileStream = new FileStream();
						fileStream.open(helpFile, FileMode.READ);
						fileStream.position = 0;
						helpText.text = fileStream.readMultiByte(fileStream.bytesAvailable, "utf-8");
					} catch (e:Error) {
						logger.error("Error encountered while reading log file '{0}': {0}", [helpFile, e.message]);
					} finally {
						fileStream.close();
						logger.info("Successfully loaded logfile: {0}", [helpFile.nativePath]);
					}
				}

			}
		]]>
	</fx:Script>
	<s:layout>
		<s:VerticalLayout/>
	</s:layout>
	<fx:Declarations>
		<!-- Place non-visual elements (e.g., services, value objects) here -->
	</fx:Declarations>
	<s:TextArea width="100%"
				height="100%"
				id="helpText"
				editable="false"
				selectable="true">
	</s:TextArea>
	<s:CheckBox id="alwaysShowHelp"
				change="alwaysShowHelp_changeHandler(event)"
				label="Always show this screen at application startup"/>
</s:TitleWindow>