<?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 Spark skin class for the down button of the MX NumericStepper component. 

      @see mx.controls.NumericStepper
        
      @langversion 3.0
      @playerversion Flash 10
      @playerversion AIR 1.5
      @productversion Flex 4
-->
<local:SparkSkinForHalo xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" 
    xmlns:local="mx.skins.spark.*" alpha.disabled="0.5">
    
    <fx:Script>
        /* Define the skin elements that should not be colorized. 
           For spinner buttons, the graphics are colorized but the arrow is not. */
        static private const exclusions:Array = ["arrow"];
        /**
         *  @private
         */
        override public function get colorizeExclusions():Array {return exclusions;}
        
        /* Define the symbol fill items that should be colored by the "symbolColor" style. */
        static private const symbols:Array = ["arrowFill"];
        /**
         *  @private
         */
        override public function get symbolItems():Array {return symbols};
        
        /* Define the border items.*/
        static private const borderItem:Array = ["borderStroke"];
        /**
         *  @private
         */
        override protected function get borderItems():Array {return borderItem;}
        /**
         *  @private
         */
        override protected function get defaultBorderItemColor():uint {return 0x686868;}
        
        /**
         * @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;
                fill.bottomRightRadiusX = cornerRadius;
                highlight.bottomRightRadiusX = cornerRadius;
            }
            
            super.updateDisplayList(unscaledWidth, unscaledHeight);
        }
        
        private var cornerRadius:Number = 2;
    </fx:Script>
    
    <local:states>
        <s:State name="up" />
        <s:State name="over"/>
        <s:State name="down" />
        <s:State name="disabled" />
    </local:states>
    
    <!-- border/fill -->
  <!--- @private -->
  <s:Rect id="fill" width="18" height="11" bottomRightRadiusX="2"
          left="-1" top="-1" right="0" bottom="0">
        <s:stroke>
            <!--- @private -->
            <s:SolidColorStroke id="borderStroke" weight="1"/>
        </s:stroke>
        <s:fill>
            <s:LinearGradient rotation="90">
                <s:GradientEntry color="0xE8E8E8"
                               color.over="0xC2C2C2"
                               color.down="0xAEB0B1" />
                <s:GradientEntry color="0xDFDFDF"
                               color.over="0xADAEAF"
                               color.down="0xA1A3A5" />
            </s:LinearGradient>
        </s:fill>
    </s:Rect>
    
    <!-- highlight -->
    <!--- @private -->
    <s:Rect id="highlight" bottomRightRadiusX="2"
          left="0" top="0" right="1" bottom="1" >
        <s:stroke>
            <s:LinearGradientStroke rotation="90" weight="1">
                <s:GradientEntry color="0xFFFFFF" 
                               color.down="0x000000" 
                               alpha="0.55"
                               alpha.over="0.55" 
                               alpha.down="0.15" />
                <s:GradientEntry color="0xFFFFFF" 
                               color.down="0x000000"
                               alpha="0.2475"
                               alpha.over="0.2475"
                               alpha.down="0" />
            </s:LinearGradientStroke>
        </s:stroke>
    </s:Rect>

    <!-- shadow -->
    <s:Rect left="0" top="2" right="1" height="1" includeIn="down">
        <s:fill>
            <s:SolidColor color="0x000000" alpha="0.07" />
        </s:fill>
    </s:Rect>
    
    <!-- arrow -->
    <!--- @private -->
    <s:Path horizontalCenter="-1" verticalCenter="0" id="arrow"
          data="M 3.0 3.0 L 3.0 2.0 L 4.0 2.0 L 4.0 1.0 L 5.0 1.0 L 5.0 0.0 L 0.0 0.0 L 0.0 1.0 L 1.0 1.0 L 1.0 2.0 L 2.0 2.0 L 2.0 3.0 L 3.0 3.0">
        <s:fill>
            <!--- @private -->
            <s:SolidColor id="arrowFill" color="0" alpha="0.8" />
        </s:fill>
    </s:Path>            

</local:SparkSkinForHalo>