<?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.

-->


<!--- The default skin class for the last button in a Spark ButtonBar component.  

@langversion 3.0
@playerversion Flash 10
@playerversion AIR 1.5
@productversion Flex 4
-->
<s:SparkSkin xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" 
			 xmlns:fb="http://ns.adobe.com/flashbuilder/2009" minWidth="21" minHeight="21"
			 alpha.disabledStates="0.5">
	
	<!-- host component -->
	<fx:Metadata>
		<![CDATA[ 
		/** 
		* @copy spark.skins.spark.ApplicationSkin#hostComponent
		*/
		[HostComponent("spark.components.ButtonBarButton")]
		]]>
	</fx:Metadata>
	
	<fx:Script fb:purpose="styling">
		/* Define the skin elements that should not be colorized. 
		For toggle button, the graphics are colorized but the label is not. */
		static private const exclusions:Array = ["labelDisplay"];
		
		/** 
		 * @copy spark.skins.SparkSkin#colorizeExclusions
		 */     
		override public function get colorizeExclusions():Array {return exclusions;}
		
		/**
		 * @private
		 */
		override protected function initializationComplete():void
		{
			useChromeColor = true;
			super.initializationComplete();
		}
		
		/**
		 * @inheritDoc
		 */
		override protected function updateDisplayList(unscaledWidth:Number, unscaleHeight:Number):void
		{
			var cr:Number = getStyle("cornerRadius");
			
			if (cornerRadius != cr)
			{
				cornerRadius = cr;
				shadow.topRightRadiusX = cornerRadius;
				shadow.bottomRightRadiusX = cornerRadius;
				fill.topRightRadiusX = cornerRadius;
				fill.bottomRightRadiusX = cornerRadius;
				lowlight.radiusX = cornerRadius;
				highlight.radiusX = cornerRadius;
				highlightStroke.topRightRadiusX = cornerRadius;
				highlightStroke.bottomRightRadiusX = cornerRadius;
				border.topRightRadiusX = cornerRadius;
				border.bottomRightRadiusX = cornerRadius;
			}
			var image:Class = Class((this as Object).hostComponent.data.icon);  
			var label:String = (this as Object).hostComponent.data.label;  
			
			labelDisplay.text = label;  
			//icon.source = image;  
			
			this.width = this.hostComponent.width;  
			this.minWidth = this.hostComponent.width;
			
			super.updateDisplayList(unscaledWidth, unscaledHeight);
		}
		
		private var cornerRadius:Number = 2;
		import mx.core.INavigatorContent;
	</fx:Script>
	
	<!-- states -->
	<s:states>
		<s:State name="up" />
		<s:State name="over" stateGroups="overStates" />
		<s:State name="down" stateGroups="downStates" />
		<s:State name="disabled" stateGroups="disabledStates" />
		<s:State name="upAndSelected" stateGroups="selectedStates, selectedUpStates" />
		<s:State name="overAndSelected" stateGroups="overStates, selectedStates" />
		<s:State name="downAndSelected" stateGroups="downStates, selectedStates" />
		<s:State name="disabledAndSelected" stateGroups="selectedUpStates, disabledStates, selectedStates" />
	</s:states>
	
	<s:Group left="0" right="-1" top="-1" bottom="-1">
		
		<!-- layer 1: shadow -->
		<s:Rect id="shadow" left="0" right="0" top="0" bottom="0" width="69" height="20" topRightRadiusX="2" bottomRightRadiusX="2">
			<s:stroke>
				<s:LinearGradientStroke rotation="90">
					<s:GradientEntry color="0x000000" 
									 color.downStates="0xFFFFFF"
									 alpha="0.01"
									 alpha.downStates="0" />
					<s:GradientEntry color="0x000000" 
									 color.downStates="0xFFFFFF" 
									 alpha="0.07"
									 alpha.downStates="0.5" />
				</s:LinearGradientStroke>
			</s:stroke>
		</s:Rect>
		
		<!-- layer 2: fill -->
		<s:Rect id="fill" left="1" right="2" top="2" bottom="2" topRightRadiusX="2" bottomRightRadiusX="2">
			<s:fill>
				<s:LinearGradient rotation="90">
					<s:GradientEntry color="0xFFFFFF" 
									 color.selectedUpStates="0xBBBDBD"
									 color.overStates="0xBBBDBD" 
									 color.downStates="0xAAAAAA" 
									 alpha="0.85" 
									 alpha.overAndSelected="1" />
					<s:GradientEntry color="0xD8D8D8" 
									 color.selectedUpStates="0x9FA0A1"
									 color.over="0x9FA0A1" 
									 color.overAndSelected="0x8E8F90"
									 color.downStates="0x929496" 
									 alpha="0.85"
									 alpha.overAndSelected="1" />
				</s:LinearGradient>
			</s:fill>
		</s:Rect>
		
		<!-- layer 3: fill lowlight -->
		<s:Rect id="lowlight" left="1" right="2" bottom="2" height="9" radiusX="2">
			<s:fill>
				<s:LinearGradient rotation="90">
					<s:GradientEntry color="0x000000" alpha="0.0099" />
					<s:GradientEntry color="0x000000" alpha="0.0627" />
				</s:LinearGradient>
			</s:fill>
		</s:Rect>
		
		<!-- layer 4: fill highlight -->
		<s:Rect id="highlight" left="1" right="2" top="2" height="9" radiusX="2">
			<s:fill>
				<s:SolidColor color="0xFFFFFF" 
							  alpha="0.33" 
							  alpha.selectedUpStates="0.22"
							  alpha.overStates="0.22" 
							  alpha.downStates="0.12" />
			</s:fill>
		</s:Rect>
		
		<!-- layer 5: highlight stroke (all states except down) -->
		<s:Rect id="highlightStroke" left="1" right="2" top="2" bottom="2" topRightRadiusX="2" bottomRightRadiusX="2">
			<s:stroke>
				<s:LinearGradientStroke rotation="90" weight="1">
					<s:GradientEntry color="0xFFFFFF" alpha.overStates="0.22" alpha.selectedUpStates="0.33" />
					<s:GradientEntry color="0xD8D8D8" alpha.overStates="0.22" alpha.selectedUpStates="0.33" />
				</s:LinearGradientStroke>
			</s:stroke>
		</s:Rect>
		
		<!-- layer 6: highlight stroke (down state only) -->
		<s:Rect left="1" top="2" bottom="2" width="1" includeIn="downStates, selectedUpStates, overAndSelected">
			<s:fill>
				<s:SolidColor color="0x000000" alpha="0.07" />
			</s:fill>
		</s:Rect>
		<s:Rect right="2" top="2" bottom="2" width="1" includeIn="downStates, selectedUpStates, overAndSelected">
			<s:fill>
				<s:SolidColor color="0x000000" alpha="0.07" />
			</s:fill>
		</s:Rect>
		<s:Rect left="1" top="2" right="3" height="1" includeIn="downStates, selectedUpStates, overAndSelected">
			<s:fill>
				<s:SolidColor color="0x000000" alpha="0.25" />
			</s:fill>
		</s:Rect>
		<s:Rect left="1" top="3" right="2" height="1" includeIn="downStates, selectedUpStates, overAndSelected">
			<s:fill>
				<s:SolidColor color="0x000000" alpha="0.09" />
			</s:fill>
		</s:Rect>
		
		<!-- layer 7: border - put on top of the fill so it doesn't disappear when scale is less than 1 -->
		<s:Rect id="border" left="0" right="1" top="1" bottom="1" topRightRadiusX="2" bottomRightRadiusX="2">
			<s:stroke>
				<s:LinearGradientStroke rotation="90" weight="1">
					<s:GradientEntry color="0x000000" 
									 alpha="0.5625"
									 alpha.down="0.6375"
									 alpha.selectedStates="0.6375" />
					<s:GradientEntry color="0x000000" 
									 alpha="0.75" 
									 alpha.down="0.85"
									 alpha.selectedStates="0.85" />
				</s:LinearGradientStroke>
			</s:stroke>
		</s:Rect>
	</s:Group>
	
	<!-- layer 8: text -->
	<!--- The defines the appearance of the label for the last button in the ButtonBar component. -->
	<s:BitmapImage left="5" id="icon" verticalCenter="0" source="{INavigatorContent(hostComponent.data).icon}"/>
	<s:Label id="labelDisplay"
			 textAlign="center"
			 verticalAlign="middle"
			 maxDisplayedLines="1"
			 horizontalCenter="0" verticalCenter="1"
			 left="10" right="10" top="2" bottom="2">
	</s:Label>
	
</s:SparkSkin>