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// ================================================================= /* * Copyright (c) 2010 viatropos http://www.viatropos.com/ * Lance Pollard * lancejpollard at gmail dot com * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ // ================================================================= package { import flash.display.Sprite; import flash.events.Event; import flash.utils.getDefinitionByName; import mx.core.IMXMLObject; import mx.core.Singleton; import mx.styles.CSSStyleDeclaration; import mx.styles.IStyleManager2; import mx.styles.StyleManager; public class StylesheetMixin implements IMXMLObject { private var _palettes:Array; /** * Classes of static constants storing values for css */ public function get palettes():Array { return _palettes; } public function set palettes(value:Array):void { _palettes = value; } public function StylesheetMixin() { } public function setStyles():void { // get all selectors in the application var styleManager:IStyleManager2 = getStyleManager(); var selectors:Array = styleManager.selectors; var declaration:CSSStyleDeclaration; var i:int = 0; var n:int = selectors.length; for (i; i < n; i++) { declaration = styleManager.getStyleDeclaration(selectors[i]); // set palette properties to each declaration setProperties(declaration); } } protected function getStyleManager():IStyleManager2 { var application:*; try { application = flash.utils.getDefinitionByName("mx.core::FlexGlobals")["topLevelApplication"]; if (application) return application.styleManager as IStyleManager2; } catch (error:Error) { application = flash.utils.getDefinitionByName("mx.core::Application")["application"]; if (application) return IStyleManager2(Singleton.getInstance("mx.styles::IStyleManager2")); } return null; } protected function setProperties(declaration:CSSStyleDeclaration):void { var selector:Object = getDeclarationToken(declaration); var property:String; for (property in selector) { setProperty(declaration, property, selector[property]); } } public function getDeclarationToken(declaration:CSSStyleDeclaration):Object { var selector:Object = {factory:declaration.factory}; // maybe your selector has a "factory" property which we should avoid? if (!(typeof(selector.factory) == "function") || selector.factory == null) return null; selector.factory(); delete selector.factory; return selector; } public function setProperty(declaration:CSSStyleDeclaration, property:String, value:*):* { var paletteValue:*; var changed:Boolean = false; if (value is Array) { var i:int = 0; var n:int = value.length; for (i; i < n; i++) { paletteValue = getPaletteItem(value[i]); if (paletteValue) { changed = true; value[i] = paletteValue; } } } else if (value is String) { paletteValue = getPaletteItem(value); if (paletteValue) { value = paletteValue; changed = true; } } if (changed) { declaration.setStyle(property, value); } } public function getPaletteItem(targetId:String):* { var i:int = 0; var n:int = palettes.length; var PaletteClass:Object; for (i; i < n; i++) { PaletteClass = palettes[i]; if (PaletteClass[targetId]) return PaletteClass[targetId]; } return null; } private var timer:Sprite = new Sprite(); // have to wait a frame for styles to be initialized public function initialized(document:Object, id:String):void { var handler:Function = function(event:Event):void { timer.removeEventListener(Event.ENTER_FRAME, handler); timer = null; setStyles(); } timer.addEventListener(Event.ENTER_FRAME, handler); } } }