<?xml version="1.0" encoding="utf-8"?>

<!--

    ADOBE SYSTEMS INCORPORATED
    Copyright 2008 Adobe Systems Incorporated
    All Rights Reserved.

    NOTICE: Adobe permits you to use, modify, and distribute this file
    in accordance with the terms of the license agreement accompanying it.

-->

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

       @see spark.components.ButtonBar
       @see spark.components.ButtonBarButton
        
      @langversion 3.0
      @playerversion Flash 10
      @playerversion AIR 1.5
      @productversion Flex 4
-->
<s:SparkButtonSkin 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.disabled="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"];

       /** 
        *  @private
        */     
        override public function get colorizeExclusions():Array {return exclusions;}
        
        /**
         *  @private
         */
        override protected function initializationComplete():void
        {
            useChromeColor = true;
            super.initializationComplete();
        }

        /**
         *  @private
         */
        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.topRightRadiusX = cornerRadius;
                lowlight.bottomRightRadiusX = cornerRadius;
                highlight.topRightRadiusX = cornerRadius;
                highlight.bottomRightRadiusX = cornerRadius;
                highlightStroke.topRightRadiusX = cornerRadius;
                highlightStroke.bottomRightRadiusX = cornerRadius;
                border.topRightRadiusX = cornerRadius;
                border.bottomRightRadiusX = cornerRadius;
            }
            
            if (hldownstroke1)
            {
                hldownstroke1.topRightRadiusX = cornerRadius;
                hldownstroke1.bottomRightRadiusX = cornerRadius;
            }
            if (hldownstroke2)
            {
                hldownstroke2.topRightRadiusX = cornerRadius;
                hldownstroke2.bottomRightRadiusX = cornerRadius;
            }
            
            super.updateDisplayList(unscaledWidth, unscaledHeight);
        }
        
        private var cornerRadius:Number = 2;
    </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 -->
        <!--- @private -->
        <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 -->
        <!--- @private -->
        <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 -->
        <!--- @private -->
        <s:Rect id="lowlight" left="1" right="2" top="2" bottom="2" topRightRadiusX="2" bottomRightRadiusX="2">
            <s:fill>
                <s:LinearGradient rotation="270">
                    <s:GradientEntry color="0x000000" ratio="0.0" alpha="0.0627" />
                    <s:GradientEntry color="0x000000" ratio="0.48" alpha="0.0099" />
                    <s:GradientEntry color="0x000000" ratio="0.48001" alpha="0" />
                </s:LinearGradient>
            </s:fill>
        </s:Rect>
        
        <!-- layer 4: fill highlight -->
        <!--- @private -->
        <s:Rect id="highlight" left="1" right="2" top="2" bottom="2" topRightRadiusX="2" bottomRightRadiusX="2">
            <s:fill>
                <s:LinearGradient rotation="90">
                    <s:GradientEntry color="0xFFFFFF"
                                     ratio="0.0"
                                     alpha="0.33" 
                                     alpha.selectedUpStates="0.22"
                                     alpha.overStates="0.22" 
                                     alpha.downStates="0.12"/>
                    <s:GradientEntry color="0xFFFFFF"
                                     ratio="0.48"
                                     alpha="0.33"
                                     alpha.selectedUpStates="0.22"
                                     alpha.overStates="0.22" 
                                     alpha.downStates="0.12"/>
                    <s:GradientEntry color="0xFFFFFF"
                                     ratio="0.48001"
                                     alpha="0" />
                </s:LinearGradient>
            </s:fill>
        </s:Rect>
        
        <!-- layer 5: highlight stroke (all states except down) -->
        <!--- @private -->
        <s:Rect id="highlightStroke" left="1" right="2" top="2" bottom="2" topRightRadiusX="2" bottomRightRadiusX="2"
                excludeFrom="downStates">
            <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) -->
        <!--- @private -->
        <s:Rect id="hldownstroke1" left="1" right="2" top="2" bottom="2" topRightRadiusX="2"  bottomRightRadiusX="2"
                includeIn="downStates, selectedUpStates, overAndSelected">
            <s:stroke>
                <s:LinearGradientStroke rotation="90" weight="1">
                    <s:GradientEntry color="0x000000" alpha="0.25" ratio="0.0" />
                    <s:GradientEntry color="0x000000" alpha="0.25" ratio="0.001" />
                    <s:GradientEntry color="0x000000" alpha="0.07" ratio="0.0011" />
                    <s:GradientEntry color="0x000000" alpha="0.07" ratio="0.965" />
                    <s:GradientEntry color="0x000000" alpha="0.00" ratio="0.9651" />
                </s:LinearGradientStroke>
            </s:stroke>
        </s:Rect>
        <!--- @private -->
        <s:Rect id="hldownstroke2" left="2" right="3" top="3" bottom="3" topRightRadiusX="2"  bottomRightRadiusX="2"
                includeIn="downStates, selectedUpStates, overAndSelected">
            <s:stroke>
                <s:LinearGradientStroke rotation="90" weight="1">
                    <s:GradientEntry color="0x000000" alpha="0.09" ratio="0.0" />
                    <s:GradientEntry color="0x000000" alpha="0.00" ratio="0.0001" />
                </s:LinearGradientStroke>
            </s:stroke>
        </s:Rect>
        
        <!-- layer 7: border - put on top of the fill so it doesn't disappear when scale is less than 1 -->
        <!--- @private -->
        <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 -->
    <!---  @copy spark.components.supportClasses.ButtonBase#labelDisplay -->
    <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:SparkButtonSkin>