| /******************************************************************************* |
| * Copyright (c) 2010 Tom Schindl and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.e4.ui.css.swt.internal.theme; |
| |
| import org.eclipse.e4.ui.css.core.engine.CSSEngine; |
| import org.eclipse.e4.ui.css.core.engine.CSSErrorHandler; |
| import org.eclipse.e4.ui.css.swt.dom.WidgetElement; |
| import org.eclipse.e4.ui.css.swt.engine.CSSSWTEngineImpl; |
| import org.eclipse.e4.ui.css.swt.theme.IThemeEngine; |
| import org.eclipse.e4.ui.css.swt.theme.IThemeManager; |
| import org.eclipse.swt.widgets.Display; |
| |
| public class ThemeEngineManager implements IThemeManager { |
| private static final String KEY = "org.eclipse.e4.ui.css.swt.theme"; |
| |
| public IThemeEngine getEngineForDisplay(Display display) { |
| IThemeEngine engine = (IThemeEngine) display.getData(KEY); |
| |
| if( engine == null ) { |
| engine = new ThemeEngine(display); |
| engine.addCSSEngine(getCSSSWTEngine(display)); |
| display.setData(KEY, engine); |
| } |
| return engine; |
| } |
| |
| private CSSEngine getCSSSWTEngine(Display display) { |
| CSSEngine cssEngine = WidgetElement.getEngine(display); |
| if (cssEngine != null) { |
| return cssEngine; |
| } |
| cssEngine = new CSSSWTEngineImpl(display, true); |
| cssEngine.setErrorHandler(new CSSErrorHandler() { |
| public void error(Exception e) { |
| // TODO Use the logger |
| e.printStackTrace(); |
| } |
| }); |
| WidgetElement.setEngine(display, cssEngine); |
| return cssEngine; |
| } |
| } |