<?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 a Spark DefaultButton component. The DefaultButton component is used in panels such as 
an Alert. It is defined by the defaultButton property on a container.  

@see mx.controls.Alert

@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.Button")]
        ]]>
    </fx:Metadata>
    
    <fx:Script fb:purpose="styling">
        <![CDATA[         
            /* Define the skin elements that should not be colorized. 
            For 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, unscaledHeight:Number) : void
            {
                var cr:Number = getStyle("cornerRadius");
                
                if (cornerRadius != cr)
                {
                    cornerRadius = cr;
                    shadow.radiusX = cornerRadius;
                    fill.radiusX = cornerRadius;
                    lowlight.radiusX = cornerRadius;
                    highlight.radiusX = cornerRadius;
                    border.radiusX = cornerRadius;
                }
                
                if (highlightStroke) highlightStroke.radiusX = cornerRadius;
                if (hldownstroke1) hldownstroke1.radiusX = cornerRadius;
                if (hldownstroke2) hldownstroke2.radiusX = cornerRadius;
                
                // Use the accentColor style, at 24%, as the offset for the fill and
                // highlightStroke color transform.
                var accentColor:uint = getStyle("accentColor");
                var colorTransform:ColorTransform = new ColorTransform();
                colorTransform.redOffset = (((accentColor & (0xFF << 16)) >> 16)) * 0.24;
                colorTransform.greenOffset = (((accentColor & (0xFF << 8)) >> 8)) * 0.24;
                colorTransform.blueOffset = ((accentColor & 0xFF)) * 0.24;
                colorTransform.alphaMultiplier = 1;
                
                fill.transform.colorTransform = colorTransform;
                if (highlightStroke)
                    highlightStroke.transform.colorTransform = colorTransform;
                
                super.updateDisplayList(unscaledWidth, unscaledHeight);
            }
            
            private var cornerRadius:Number = 2;
        ]]>        
    </fx:Script>
    
    <!-- states -->
    <s:states>
        <s:State name="up" />
        <s:State name="over" />
        <s:State name="down" />
        <s:State name="disabled" />
    </s:states>
    
    <!-- layer 1: shadow -->
    <!--- @private -->
    <s:Rect id="shadow" left="-1" right="-1" top="-1" bottom="-1" radiusX="2">
        <s:fill>
            <s:LinearGradient rotation="90">
                <s:GradientEntry color="0x000000" 
                                 color.down="0xFFFFFF"
                                 alpha="0.01"
                                 alpha.down="0" />
                <s:GradientEntry color="0x000000" 
                                 color.down="0xFFFFFF" 
                                 alpha="0.07"
                                 alpha.down="0.5" />
            </s:LinearGradient>
        </s:fill>
    </s:Rect>
    
    <!-- layer 2: fill -->
    <!--- @private -->
    <s:Rect id="fill" left="1" right="1" top="1" bottom="1" radiusX="2">
        <s:fill>
            <s:LinearGradient rotation="90">
                <s:GradientEntry color="0xAFABB0" 
                                 color.over="0x989699" 
                                 color.down="0x8B8D93" 
                                 alpha="0.85" />
                <s:GradientEntry color="0x888FA6" 
                                 color.over="0x676E9E" 
                                 color.down="0x676E9E" 
                                 alpha="0.85" />
            </s:LinearGradient>
        </s:fill>
    </s:Rect>
    
    <!-- layer 3: fill lowlight -->
    <!--- @private -->
    <s:Rect id="lowlight" left="1" right="1" top="1" bottom="1" radiusX="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="1" top="1" bottom="1" radiusX="2">
        <s:fill>
            <s:LinearGradient rotation="90">
                <s:GradientEntry color="0xFFFFFF"
                                 ratio="0.0"
                                 alpha="0.33" 
                                 alpha.over="0.22" 
                                 alpha.down="0.12"/>
                <s:GradientEntry color="0xFFFFFF"
                                 ratio="0.48"
                                 alpha="0.33"
                                 alpha.over="0.22"
                                 alpha.down="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="1" top="1" bottom="1" radiusX="2" excludeFrom="down">
        <s:stroke>
            <s:LinearGradientStroke rotation="90" weight="1">
                <s:GradientEntry color="0xD6C5BA" alpha.over="0.22" />
                <s:GradientEntry color="0x9092A6" alpha.over="0.22" />
            </s:LinearGradientStroke>
        </s:stroke>
    </s:Rect>
    
    <!-- layer 6: highlight stroke (down state only) -->
    <!--- @private -->
    <s:Rect id="hldownstroke1" left="1" right="1" top="1" bottom="1" radiusX="2" includeIn="down">
        <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="2" top="2" bottom="2" radiusX="2" includeIn="down">
        <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="0" top="0" bottom="0" width="69" height="20" radiusX="2">
        <s:stroke>
            <s:LinearGradientStroke rotation="90" weight="1">
                <s:GradientEntry color="0x000000" 
                                 alpha="0.5625"
                                 alpha.down="0.6375" />
                <s:GradientEntry color="0x000000" 
                                 alpha="0.75" 
                                 alpha.down="0.85" />
            </s:LinearGradientStroke>
        </s:stroke>
    </s:Rect>
    
    <!-- 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>