<?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 a Spark Panel container.  

    @see spark.components.Panel

    @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.apache.org/royale/spark" 
    xmlns:fb="http://ns.adobe.com/flashbuilder/2009" blendMode="normal" mouseEnabled="false" 
    minWidth="131" minHeight="127" alpha.disabled="0.5" alpha.disabledWithControlBar="0.5">
    
    <fx:Metadata>
        <![CDATA[ 
        /** 
         * @copy spark.skins.spark.ApplicationSkin#hostComponent
         */
        [HostComponent("spark.components.Panel")]
        ]]>
    </fx:Metadata> 
    
    <fx:Script >
        <![CDATA[
		//import mx.core.FlexVersion;
		
		/* Define the skin elements that should not be colorized. 
        For panel, border and title background are skinned, but the content area, background, border, and title text are not. */
        //static private const exclusions:Array = ["background", "titleDisplay", "contentGroup", "controlBarGroup", "border"];
			
		/* exclusions before Flex 4.5 for backwards-compatibility purposes */
		//static private const exclusions_4_0:Array = ["background", "titleDisplay", "contentGroup", "controlBarGroup"];
		
		/**
		 * @private
		 *//*
		override public function get colorizeExclusions():Array 
		{
			// Since border is styleable via borderColor, no need to allow chromeColor to affect
			// the border.  This is wrapped in a compatibility flag since this change was added  
			// in Flex 4.5
			if (FlexVersion.compatibilityVersion < FlexVersion.VERSION_4_5)
			{
				return exclusions_4_0;
			}
			
			return exclusions;
		}
        */
            
        /**
         * @private
         */
        override protected function initializationComplete():void
        {
            useChromeColor = true;
            super.initializationComplete();
        }
        
        /**
         * @private
         */
        override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void
        {
            if (getStyle("borderVisible") == true)
            {
                border.visible = true;
                background.left = background.top = background.right = background.bottom = 1;
                contents.left = contents.top = contents.right = contents.bottom = 1;
            }
            else
            {
                border.visible = false;
                background.left = background.top = background.right = background.bottom = 0;
                contents.left = contents.top = contents.right = contents.bottom = 0;
            }
            
            dropShadow.visible = getStyle("dropShadowVisible");
            
            var cr:Number = getStyle("cornerRadius");
            var withControls:Boolean = 
                (currentState == "disabledWithControlBar" || 
                 currentState == "normalWithControlBar");
            
            if (cornerRadius != cr)
            {
                cornerRadius = cr;
                
                dropShadow.tlRadius = cornerRadius;
                dropShadow.trRadius = cornerRadius;
                dropShadow.blRadius = withControls ? cornerRadius : 0;
                dropShadow.brRadius = withControls ? cornerRadius : 0;
                
                setPartCornerRadii(topMaskRect, withControls); 
                setPartCornerRadii(border, withControls); 
                setPartCornerRadii(background, withControls);                
            }
            
            if (bottomMaskRect) setPartCornerRadii(bottomMaskRect, withControls); 
            
            borderStroke.color = getStyle("borderColor");
            borderStroke.alpha = getStyle("borderAlpha");
            backgroundFill.color = getStyle("backgroundColor");
            backgroundFill.alpha = getStyle("backgroundAlpha");
            
            super.updateDisplayList(unscaledWidth, unscaledHeight);
        }
        
        /**
         * @private
         */  
        private function setPartCornerRadii(target:Rect, includeBottom:Boolean):void
        {            
            target.topLeftRadiusX = cornerRadius;
            target.topRightRadiusX = cornerRadius;
            target.bottomLeftRadiusX = includeBottom ? cornerRadius : 0;
            target.bottomRightRadiusX = includeBottom ? cornerRadius : 0;
        }
        
        private var cornerRadius:Number;
		]]>
    </fx:Script>
    
    <s:states>
        <s:State name="normal" />
        <s:State name="disabled" />
        <s:State name="normalWithControlBar" stateGroups="withControls" />
        <s:State name="disabledWithControlBar" stateGroups="withControls" />
    </s:states>
    
    <!-- drop shadow can't be hittable so it stays sibling of other graphics -->
    <!--- @private -->
    <s:RectangularDropShadow id="dropShadow" blurX="20" blurY="20" alpha="0.32" distance="11" 
                             angle="90" color="#000000" left="0" top="0" right="0" bottom="0"/>
    
    <!-- drop shadow can't be hittable so all other graphics go in this group -->
    <s:Group left="0" right="0" top="0" bottom="0">
        
        <!-- top group mask -->
        <!--- @private -->
        <s:Group left="1" top="1" right="1" bottom="1" id="topGroupMask" >
            <!--- @private -->
            <s:Rect id="topMaskRect" left="0" top="0" right="0" bottom="0">
                <s:fill>
                    <s:SolidColor alpha="0"/>
                </s:fill>
            </s:Rect>
        </s:Group>
        
        <!-- bottom group mask -->
        <!--- @private -->
        <s:Group left="1" top="1" right="1" bottom="1" id="bottomGroupMask" 
                 includeIn="normalWithControlBar, disabledWithControlBar">
            <!--- @private -->
            <s:Rect id="bottomMaskRect" left="0" top="0" right="0" bottom="0">
                <s:fill>
                    <s:SolidColor alpha="0"/>
                </s:fill>
            </s:Rect>
        </s:Group>
        
        <!-- layer 1: border -->
        <!--- @private -->
        <s:Rect id="border" left="0" right="0" top="0" bottom="0" >
            <s:stroke>
                <!--- @private -->
                <s:SolidColorStroke id="borderStroke" weight="1" />
            </s:stroke>
        </s:Rect>
        
        <!-- layer 2: background fill -->
        <!--- Defines the appearance of the PanelSkin class's background. -->
        <s:Rect id="background" left="1" top="1" right="1" bottom="1">
            <s:fill>
                <!--- @private
                      Defines the  PanelSkin class's background fill. The default color is 0xFFFFFF. -->
                <s:SolidColor id="backgroundFill" color="#FFFFFF"/>
            </s:fill>
        </s:Rect>
        
        <!-- layer 3: contents -->
        <!--- Contains the vertical stack of titlebar content and controlbar. -->
        <s:Group left="1" right="1" top="1" bottom="1" id="contents">
            <s:layout>
                <s:VerticalLayout gap="0" horizontalAlign="justify" />
            </s:layout>
            
            <!--- @private -->
            <s:Group id="topGroup" mask="{topGroupMask}">
                
                <!-- layer 0: title bar fill -->
                <!--- @private -->
                <s:Rect id="tbFill" left="0" right="0" top="0" bottom="1">
                    <s:fill>
                        <s:LinearGradient rotation="90">
                            <s:GradientEntry color="0xE2E2E2" />
                            <s:GradientEntry color="0xD9D9D9" />
                        </s:LinearGradient>
                    </s:fill>
                </s:Rect>
                
                <!-- layer 1: title bar highlight -->
                <!--- @private -->
                <s:Rect id="tbHilite" left="0" right="0" top="0" bottom="0">
                    <s:stroke>
                        <s:LinearGradientStroke rotation="90" weight="1">
                            <s:GradientEntry color="0xEAEAEA" />
                            <s:GradientEntry color="0xD9D9D9" />
                        </s:LinearGradientStroke>
                    </s:stroke>
                </s:Rect>
                
                <!-- layer 2: title bar divider -->
                <!--- @private -->
                <s:Rect id="tbDiv" left="0" right="0" height="1" bottom="0">
                    <s:fill>
                        <s:SolidColor color="0xC0C0C0" />
                    </s:fill>
                </s:Rect>
                
                <!-- layer 3: text -->
                <!--- @copy spark.components.Panel#titleDisplay -->
                <s:Label id="titleDisplay" maxDisplayedLines="1"
                         left="9" right="3" top="1" bottom="0" minHeight="30"
                         verticalAlign="middle" textAlign="start" fontWeight="bold">
                </s:Label>
            </s:Group>
            
            <!--
                Note: setting the minimum size to 0 here so that changes to the host component's
                size will not be thwarted by this skin part's minimum size.   This is a compromise,
                more about it here: http://bugs.adobe.com/jira/browse/SDK-21143
            -->
            <!--- @copy spark.components.SkinnableContainer#contentGroup -->
            <s:Group id="contentGroup" width="100%" height="100%" minWidth="0" minHeight="0">
            </s:Group>
            
            <!--- @private -->
            <s:Group id="bottomGroup" minWidth="0" minHeight="0"
                     includeIn="normalWithControlBar, disabledWithControlBar" >
                
                <s:Group left="0" right="0" top="0" bottom="0" mask="{bottomGroupMask}">

                    <!-- layer 0: control bar divider line -->
                    <s:Rect left="0" right="0" top="0" height="1" alpha="0.22">
                        <s:fill>
                            <s:SolidColor color="0x000000" />
                        </s:fill>
                    </s:Rect>
                    
                    <!-- layer 1: control bar highlight -->
                    <s:Rect left="0" right="0" top="1" bottom="0">
                        <s:stroke>
                            <s:LinearGradientStroke rotation="90" weight="1">
                                <s:GradientEntry color="0xE5E5E5" />
                                <s:GradientEntry color="0xD8D8D8" />
                            </s:LinearGradientStroke>
                        </s:stroke>
                    </s:Rect>
                    
                    <!-- layer 2: control bar fill -->
                    <s:Rect left="1" right="1" top="2" bottom="1">
                        <s:fill>
                            <s:LinearGradient rotation="90">
                                <s:GradientEntry color="0xDADADA" />
                                <s:GradientEntry color="0xC5C5C5" />
                            </s:LinearGradient>
                        </s:fill>
                    </s:Rect>
                </s:Group>
                <!-- layer 3: control bar -->
                <!--- @copy spark.components.Panel#controlBarGroup -->
                <s:Group id="controlBarGroup" left="0" right="0" top="1" bottom="1" minWidth="0" minHeight="0">
                    <s:layout>
                        <s:HorizontalLayout paddingLeft="10" paddingRight="10" paddingTop="7" paddingBottom="7" gap="10" />
                    </s:layout>
                </s:Group>
            </s:Group>
        </s:Group>
    </s:Group>
</s:SparkSkin>
