modules/compiler/src/java/flex2/compiler/css/StyleModule.vm - flex-sdk - Git at Google


 #*
   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.
 *#
 #**
  *
  *  embedText: write $text into current output, after registering line mapping to context
  *
  *  Note: these line mappings are permanent (they're written to the bytecode as well as
  *  being used for compile errors).  for compile-error only mappings, see next
  *
  *#
 ## commented version emits line numbers as comments in the generated code. When using, be sure to uncomment the second (blank) line.
 ###macro (embedText $text $origLine)#if ($origLine > 0)$util.mapLines($origLine, $text)/*$origLine>*/#end$text#if ($origLine > 0)/*<$origLine*/
 #macro (embedText $text $origLine)#if ($origLine > 0)$util.mapLines($origLine, $text)#end$text
 #end

 ##
 ## Start Macro
 ## This macro recursively walks the selector chain, starting from the furthest
 ## ancestor and working back to the top level selector.
 ##
 #macro(styleSelectorAncestor $selector)
 #if ($selector.ancestor)
 #styleSelectorAncestor($selector.ancestor)
 #end
 #if ($selector.conditions)
         conditions = [];
 #foreach ($condition in $selector.conditions)
         condition = new CSSCondition("$condition.kind", "$condition.value");
         conditions.push(condition);
 #end
 #else
         conditions = null;
 #end
         selector = new CSSSelector("$selector.value", conditions, selector);
 #end
 ##
 ## End Macro
 ##


 package
 {
 import flash.system.Security;
 import flash.text.Font;
 import mx.core.mx_internal;
 import mx.modules.ModuleBase;
 #if ($styleModule.isAdvanced())
 import mx.styles.CSSCondition;
 import mx.styles.CSSSelector;
 #end
 import mx.styles.CSSStyleDeclaration;
 import mx.styles.StyleManager;
 import mx.styles.IStyleManager2;
 import mx.styles.IStyleModule;


 ##
 ## imports
 ##
 #foreach ($import in $styleModule.imports)
 #embedText("import $import.value;" $import.lineNumber)
 #end

 [ExcludeClass]
 public class ${styleModule.name} extends ModuleBase implements IStyleModule
 {
     /**
      * @private
      */
     private var selectors:Array = [];
     /**
      * @private
      */
     private var overrideMap:Object = {};
     /**
      * @private
      */
     private var effectMap:Object = {};
     /**
      * @private
      */
     private var unloadGlobal:Boolean;
     /**
      * @private
      */
     private var styleManager:IStyleManager2;
     /**
      * @private
      */
     private static var domainsAllowed:Boolean = allowDomains();

     /**
      * @private
      */
     private static function allowDomains():Boolean
     {
 		// allowDomain not allowed in AIR
 		if (Security.sandboxType != "application")
 			Security.allowDomain("*");
         return true;
     }

 ##
 ## @Embeds
 ##
 #foreach ($atEmbed in $styleModule.atEmbeds)
     [Embed(#set ($vals = $atEmbed.getAttributes())#foreach( $key in $vals.keySet() )#if ($velocityCount > 1), #end#set ($val = $vals.get($key))$key='$val'#end)]
     private static var $atEmbed.propName:$atEmbed.type;
 #end

     public function ${styleModule.name}()
     {
         super();
     }

     public function setStyleDeclarations(styleManager:IStyleManager2):void
     {
         if (styleManager == null)
             styleManager = StyleManager.getStyleManager(null);

         this.styleManager = styleManager;

 #if ($styleModule.isAdvanced())
         var conditions:Array;
         var condition:CSSCondition;
         var selector:CSSSelector;
 #end
         var style:CSSStyleDeclaration;
         var keys:Array;
         var selectorString:String;
         var effects:Array;
         var addedEffects:Array;

 #foreach ($styleDef in $styleModule.styleDefs)
 #if ($styleDef.isAdvanced())
 ##
 ## Start Advanced Flex 4 StyleDeclarations
 ##
 #foreach ($styleDecl in $styleDef.declarations)
 #set ($selector = $styleDecl.selector)
         selector = null;
         conditions = null;
 #styleSelectorAncestor($selector)
         // $selector.toString()
         selectorString = "$selector.toString()";
         style = styleManager.getStyleDeclaration(selectorString);
         if (!style)
         {
             style = new CSSStyleDeclaration(selector, styleManager);
             selectors.push(selectorString);
         }

         keys = overrideMap[selectorString];

         if (keys == null)
         {
             keys = [];
             overrideMap[selectorString] = keys;
         }

 #foreach ($block in $styleDecl.declarationBlocks)
 #if ($block.hasMediaList())
         if (styleManager.acceptMediaList("$block.mediaList.toEscapedString()"))
         {
 #end
 #foreach ($styleProp in $block.properties)
 #embedText("        style.mx_internal::setLocalStyle('${styleProp.name}', ${styleProp.value});" $styleProp.lineNumber)
         keys.push("${styleProp.name}");
 #end
 #if ($block.hasMediaList())
         }
 #end
 #end

 #if ($styleDecl.hasEffectStyles())
         addedEffects = new Array();
         effects = style.mx_internal::effects;
         if (!effects)
         {
             effects = style.mx_internal::effects = [];
         }

 #foreach ($block in $styleDecl.declarationBlocks)
 #if ($block.effectStyles.size() > 0)
 #if ($block.hasMediaList())
         if (styleManager.acceptMediaList("$block.mediaList.toEscapedString()"))
         {
 #end

 #foreach ($effectStyle in $block.effectStyles)
           effects.push("${effectStyle}");
           addedEffects.push("${effectStyle}");
 #end
 #if ($block.hasMediaList())
         }
 #end
 #end
 #end
         this.effectMap[selectorString] = addedEffects;
 #end


 #end
 ##
 ## End Advanced Flex 4 StyleDeclarations
 ##
 #else
 ##
 ## Start Legacy Flex 3 StyleDeclarations
 ##
 #if ($styleDef.isTypeSelector() || $styleDef.subject == "global" || $styleDef.subject == "*")
         selectorString = "${styleDef.typeName}";
 #else
         selectorString = ".${styleDef.typeName}";
 #end

         style = styleManager.getStyleDeclaration(selectorString);

         if (!style)
         {
             style = new CSSStyleDeclaration(null, styleManager);
             styleManager.setStyleDeclaration(selectorString, style, false);
             selectors.push(selectorString);
         }

         keys = overrideMap[selectorString];

         if (keys == null)
         {
             keys = [];
             overrideMap[selectorString] = keys;
         }

 #foreach ($style in $styleDef.styles)
 #embedText("        style.mx_internal::setLocalStyle('${style.name}', ${style.value});" $style.lineNumber)
         keys.push("${style.name}");
 #end

 #if ($styleDef.effectStyles.size() > 0)
         effects = style.mx_internal::effects;

         if (!effects)
         {
             effects = style.mx_internal::effects = [];
         }

         addedEffects = new Array();

 #foreach ($effectStyle in $styleDef.effectStyles)
         effects.push("${effectStyle}");
         addedEffects.push("${effectStyle}");
 #end

         this.effectMap[selectorString] = addedEffects;
 #end
 #end
 ##
 ## End Legacy Flex 3 StyleDeclarations
 ##
 #if ($styleDef.subject == "global")
         styleManager.stylesRoot = null;
         styleManager.initProtoChainRoots();
         unloadGlobal = true;
 #end
 #end

 #foreach ($atEmbed in $styleModule.atEmbeds)
 #if ($atEmbed.getAttributes().containsKey("fontName"))
         Font.registerFont($atEmbed.propName);
 #end
 #end
     }

     public function unload():void
     {
         unloadOverrides();
         unloadStyleDeclarations();

         if (unloadGlobal)
         {
             styleManager.stylesRoot = null;
             styleManager.initProtoChainRoots();
         }
     }

     /**
      * @private
      */
     private function unloadOverrides():void
     {
         for (var selector:String in overrideMap)
         {
             var style:CSSStyleDeclaration = styleManager.getStyleDeclaration(selector);

             if (style != null)
             {
                 var keys:Array = overrideMap[selector];
                 var numKeys:int;
                 var i:uint;

                 if (keys != null)
                 {
                     numKeys = keys.length;

                     for (i = 0; i < numKeys; i++)
                     {
                         style.mx_internal::clearOverride(keys[i]);
                     }
                 }

                 keys = effectMap[selector];

                 if (keys != null)
                 {
                     numKeys = keys.length;
                     var index:uint;
                     var effects:Array = style.mx_internal::effects;

                     for (i = 0; i < numKeys; i++)
                     {
                         index = effects.indexOf(numKeys[i]);
                         if (index >= 0)
                         {
                             effects.splice(index, 1);
                         }
                     }
                 }
             }
         }

         overrideMap = null;
         effectMap = null;
     }

     /**
      * @private
      */
     private function unloadStyleDeclarations():void
     {
         var numSelectors:int = selectors.length;

         for (var i:int = 0; i < numSelectors; i++)
         {
             var selector:String = selectors[i];
             styleManager.clearStyleDeclaration(selector, false);
         }

         selectors = null;
     }
 }

 }

	#*
	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.
	*#
	#**
	*
	* embedText: write $text into current output, after registering line mapping to context
	*
	* Note: these line mappings are permanent (they're written to the bytecode as well as
	* being used for compile errors). for compile-error only mappings, see next
	*
	*#
	## commented version emits line numbers as comments in the generated code. When using, be sure to uncomment the second (blank) line.
	###macro (embedText $text $origLine)#if ($origLine > 0)$util.mapLines($origLine, $text)/$origLine>/#end$text#if ($origLine > 0)/<$origLine/
	#macro (embedText $text $origLine)#if ($origLine > 0)$util.mapLines($origLine, $text)#end$text
	#end

	##
	## Start Macro
	## This macro recursively walks the selector chain, starting from the furthest
	## ancestor and working back to the top level selector.
	##
	#macro(styleSelectorAncestor $selector)
	#if ($selector.ancestor)
	#styleSelectorAncestor($selector.ancestor)
	#end
	#if ($selector.conditions)
	conditions = [];
	#foreach ($condition in $selector.conditions)
	condition = new CSSCondition("$condition.kind", "$condition.value");
	conditions.push(condition);
	#end
	#else
	conditions = null;
	#end
	selector = new CSSSelector("$selector.value", conditions, selector);
	#end
	##
	## End Macro
	##


	package
	{
	import flash.system.Security;
	import flash.text.Font;
	import mx.core.mx_internal;
	import mx.modules.ModuleBase;
	#if ($styleModule.isAdvanced())
	import mx.styles.CSSCondition;
	import mx.styles.CSSSelector;
	#end
	import mx.styles.CSSStyleDeclaration;
	import mx.styles.StyleManager;
	import mx.styles.IStyleManager2;
	import mx.styles.IStyleModule;


	##
	## imports
	##
	#foreach ($import in $styleModule.imports)
	#embedText("import $import.value;" $import.lineNumber)
	#end

	[ExcludeClass]
	public class ${styleModule.name} extends ModuleBase implements IStyleModule
	{
	/**
	* @private
	*/
	private var selectors:Array = [];
	/**
	* @private
	*/
	private var overrideMap:Object = {};
	/**
	* @private
	*/
	private var effectMap:Object = {};
	/**
	* @private
	*/
	private var unloadGlobal:Boolean;
	/**
	* @private
	*/
	private var styleManager:IStyleManager2;
	/**
	* @private
	*/
	private static var domainsAllowed:Boolean = allowDomains();

	/**
	* @private
	*/
	private static function allowDomains():Boolean
	{
	// allowDomain not allowed in AIR
	if (Security.sandboxType != "application")
	Security.allowDomain("*");
	return true;
	}

	##
	## @Embeds
	##
	#foreach ($atEmbed in $styleModule.atEmbeds)
	[Embed(#set ($vals = $atEmbed.getAttributes())#foreach( $key in $vals.keySet() )#if ($velocityCount > 1), #end#set ($val = $vals.get($key))$key='$val'#end)]
	private static var $atEmbed.propName:$atEmbed.type;
	#end

	public function ${styleModule.name}()
	{
	super();
	}

	public function setStyleDeclarations(styleManager:IStyleManager2):void
	{
	if (styleManager == null)
	styleManager = StyleManager.getStyleManager(null);

	this.styleManager = styleManager;

	#if ($styleModule.isAdvanced())
	var conditions:Array;
	var condition:CSSCondition;
	var selector:CSSSelector;
	#end
	var style:CSSStyleDeclaration;
	var keys:Array;
	var selectorString:String;
	var effects:Array;
	var addedEffects:Array;

	#foreach ($styleDef in $styleModule.styleDefs)
	#if ($styleDef.isAdvanced())
	##
	## Start Advanced Flex 4 StyleDeclarations
	##
	#foreach ($styleDecl in $styleDef.declarations)
	#set ($selector = $styleDecl.selector)
	selector = null;
	conditions = null;
	#styleSelectorAncestor($selector)
	// $selector.toString()
	selectorString = "$selector.toString()";
	style = styleManager.getStyleDeclaration(selectorString);
	if (!style)
	{
	style = new CSSStyleDeclaration(selector, styleManager);
	selectors.push(selectorString);
	}

	keys = overrideMap[selectorString];

	if (keys == null)
	{
	keys = [];
	overrideMap[selectorString] = keys;
	}

	#foreach ($block in $styleDecl.declarationBlocks)
	#if ($block.hasMediaList())
	if (styleManager.acceptMediaList("$block.mediaList.toEscapedString()"))
	{
	#end
	#foreach ($styleProp in $block.properties)
	#embedText(" style.mx_internal::setLocalStyle('${styleProp.name}', ${styleProp.value});" $styleProp.lineNumber)
	keys.push("${styleProp.name}");
	#end
	#if ($block.hasMediaList())
	}
	#end
	#end

	#if ($styleDecl.hasEffectStyles())
	addedEffects = new Array();
	effects = style.mx_internal::effects;
	if (!effects)
	{
	effects = style.mx_internal::effects = [];
	}

	#foreach ($block in $styleDecl.declarationBlocks)
	#if ($block.effectStyles.size() > 0)
	#if ($block.hasMediaList())
	if (styleManager.acceptMediaList("$block.mediaList.toEscapedString()"))
	{
	#end

	#foreach ($effectStyle in $block.effectStyles)
	effects.push("${effectStyle}");
	addedEffects.push("${effectStyle}");
	#end
	#if ($block.hasMediaList())
	}
	#end
	#end
	#end
	this.effectMap[selectorString] = addedEffects;
	#end


	#end
	##
	## End Advanced Flex 4 StyleDeclarations
	##
	#else
	##
	## Start Legacy Flex 3 StyleDeclarations
	##
	#if ($styleDef.isTypeSelector() \|\| $styleDef.subject == "global" \|\| $styleDef.subject == "*")
	selectorString = "${styleDef.typeName}";
	#else
	selectorString = ".${styleDef.typeName}";
	#end

	style = styleManager.getStyleDeclaration(selectorString);

	if (!style)
	{
	style = new CSSStyleDeclaration(null, styleManager);
	styleManager.setStyleDeclaration(selectorString, style, false);
	selectors.push(selectorString);
	}

	keys = overrideMap[selectorString];

	if (keys == null)
	{
	keys = [];
	overrideMap[selectorString] = keys;
	}

	#foreach ($style in $styleDef.styles)
	#embedText(" style.mx_internal::setLocalStyle('${style.name}', ${style.value});" $style.lineNumber)
	keys.push("${style.name}");
	#end

	#if ($styleDef.effectStyles.size() > 0)
	effects = style.mx_internal::effects;

	if (!effects)
	{
	effects = style.mx_internal::effects = [];
	}

	addedEffects = new Array();

	#foreach ($effectStyle in $styleDef.effectStyles)
	effects.push("${effectStyle}");
	addedEffects.push("${effectStyle}");
	#end

	this.effectMap[selectorString] = addedEffects;
	#end
	#end
	##
	## End Legacy Flex 3 StyleDeclarations
	##
	#if ($styleDef.subject == "global")
	styleManager.stylesRoot = null;
	styleManager.initProtoChainRoots();
	unloadGlobal = true;
	#end
	#end

	#foreach ($atEmbed in $styleModule.atEmbeds)
	#if ($atEmbed.getAttributes().containsKey("fontName"))
	Font.registerFont($atEmbed.propName);
	#end
	#end
	}

	public function unload():void
	{
	unloadOverrides();
	unloadStyleDeclarations();

	if (unloadGlobal)
	{
	styleManager.stylesRoot = null;
	styleManager.initProtoChainRoots();
	}
	}

	/**
	* @private
	*/
	private function unloadOverrides():void
	{
	for (var selector:String in overrideMap)
	{
	var style:CSSStyleDeclaration = styleManager.getStyleDeclaration(selector);

	if (style != null)
	{
	var keys:Array = overrideMap[selector];
	var numKeys:int;
	var i:uint;

	if (keys != null)
	{
	numKeys = keys.length;

	for (i = 0; i < numKeys; i++)
	{
	style.mx_internal::clearOverride(keys[i]);
	}
	}

	keys = effectMap[selector];

	if (keys != null)
	{
	numKeys = keys.length;
	var index:uint;
	var effects:Array = style.mx_internal::effects;

	for (i = 0; i < numKeys; i++)
	{
	index = effects.indexOf(numKeys[i]);
	if (index >= 0)
	{
	effects.splice(index, 1);
	}
	}
	}
	}
	}

	overrideMap = null;
	effectMap = null;
	}

	/**
	* @private
	*/
	private function unloadStyleDeclarations():void
	{
	var numSelectors:int = selectors.length;

	for (var i:int = 0; i < numSelectors; i++)
	{
	var selector:String = selectors[i];
	styleManager.clearStyleDeclaration(selector, false);
	}

	selectors = null;
	}
	}

	}