<?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.

-->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
	xmlns:s="library://ns.adobe.com/flex/spark" 
	xmlns:mx="library://ns.adobe.com/flex/mx">

	<fx:Style>
		@namespace "library://ns.adobe.com/flex/spark";
		
		ButtonBar ToggleButton:upAndSelected,
		ButtonBar ToggleButton:overAndSelected,
		ButtonBar ToggleButton:downAndSelected,
		ButtonBar ToggleButton:disabledAndSelected {
			baseColor: #FFFFFF;
			color: #323232;
		}
		ButtonBar {
			baseColor: #000000;
			color: #FFFFFF;
		}
	</fx:Style>
	
	<fx:Script>
		<![CDATA[
			import spark.events.IndexChangeEvent;
			
			/**
			 * Index change handler will be called each time a button is clicked
			 * and the event will provide information needed such as the previous
			 * index clicked.
			 **/
			protected function indexChangeHandler(event:IndexChangeEvent):void
			{
				myTextArea.text = "Button Bar index clicked = " + event.newIndex
				myTextArea.text = myTextArea.text + "\nButton Bar previous index = " + event.oldIndex;
				myTextArea.text = myTextArea.text + "\nButton Bar label clicked = " + myButtonBar.selectedItem;
				if (myButtonBar.selectedItem=="Red") {
					txtColor.setStyle("color","red");
					txtColor.text="Red selected!";
				}
				else if (myButtonBar.selectedItem=="Green") {
					txtColor.setStyle("color","green");
					txtColor.text="Green selected!";
				}
				else if (myButtonBar.selectedItem=="Blue") {
					txtColor.setStyle("color","blue");
					txtColor.text="Blue selected!";
				}
				else {
					txtColor.setStyle("color","yellow");
					txtColor.text="Yellow selected!";
				}
			}
			protected function resetButtonBar(event:MouseEvent):void
			{
				myButtonBar.selectedIndex = -1;
				myTextArea.text = "";
			}
		]]>
	</fx:Script>
	
	<s:Panel title="ButtonBar Sample" width="100%" height="100%">
		
		<s:layout>
			<s:VerticalLayout paddingLeft="10" paddingRight="10" paddingTop="10" paddingBottom="10"/>
		</s:layout>
			
			<s:HGroup width="100%" height="100%">
				<s:Label width="50%" verticalAlign="justify"
						 text="The ButtonBar component behaves like a series of toggle buttons, where one button remains selected
and only one button in the ButtonBar control can be in the selected state. That means when you select a button in a ButtonBar
control, the button stays in the selected state until you select a different button."/>	
				<s:VGroup left="10" top="5" color="0x000000" horizontalAlign="center">
					<s:ButtonBar id="myButtonBar" change="indexChangeHandler(event)"> 
						<mx:ArrayCollection> 
							<fx:String>Red</fx:String> 
							<fx:String>Green</fx:String> 
							<fx:String>Blue</fx:String> 
							<fx:String>Yellow</fx:String> 
						</mx:ArrayCollection> 
					</s:ButtonBar> 
					<s:TextArea id="myTextArea" width="{myButtonBar.width}" height="150"/>
					<s:Button id="myButton" label="Reset Selection" click="resetButtonBar(event)"/>	
					<s:Label id="txtColor" fontSize="16"/>	
				</s:VGroup>
			</s:HGroup>
	</s:Panel>
</s:Application>