| /******************************************************************************* |
| * Copyright (c) 2004, 2005 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.themes; |
| |
| import java.util.Set; |
| |
| import org.eclipse.core.commands.common.EventManager; |
| import org.eclipse.jface.resource.ColorRegistry; |
| import org.eclipse.jface.resource.FontRegistry; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.ui.themes.ITheme; |
| |
| /** |
| * @since 3.0 |
| */ |
| public class CascadingTheme extends EventManager implements ITheme { |
| |
| private CascadingFontRegistry fontRegistry; |
| |
| private CascadingColorRegistry colorRegistry; |
| |
| private ITheme currentTheme; |
| |
| private IPropertyChangeListener listener = new IPropertyChangeListener() { |
| |
| public void propertyChange(PropertyChangeEvent event) { |
| fire(event); |
| } |
| }; |
| |
| /** |
| * @param colorRegistry |
| * @param fontRegistry |
| */ |
| public CascadingTheme(ITheme currentTheme, |
| CascadingColorRegistry colorRegistry, |
| CascadingFontRegistry fontRegistry) { |
| this.currentTheme = currentTheme; |
| this.colorRegistry = colorRegistry; |
| this.fontRegistry = fontRegistry; |
| |
| fontRegistry.addListener(listener); |
| colorRegistry.addListener(listener); |
| } |
| |
| /** |
| * @param event |
| */ |
| protected void fire(PropertyChangeEvent event) { |
| Object[] listeners = getListeners(); |
| for (int i = 0; i < listeners.length; i++) { |
| ((IPropertyChangeListener) listeners[i]).propertyChange(event); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#addPropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener) |
| */ |
| public void addPropertyChangeListener(IPropertyChangeListener listener) { |
| addListenerObject(listener); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#removePropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener) |
| */ |
| public void removePropertyChangeListener(IPropertyChangeListener listener) { |
| removeListenerObject(listener); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#getId() |
| */ |
| public String getId() { |
| return currentTheme.getId(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#getLabel() |
| */ |
| public String getLabel() { |
| return currentTheme.getLabel(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#getColorRegistry() |
| */ |
| public ColorRegistry getColorRegistry() { |
| return colorRegistry; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#getFontRegistry() |
| */ |
| public FontRegistry getFontRegistry() { |
| return fontRegistry; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#dispose() |
| */ |
| public void dispose() { |
| colorRegistry.removeListener(listener); |
| fontRegistry.removeListener(listener); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#getString(java.lang.String) |
| */ |
| public String getString(String key) { |
| return currentTheme.getString(key); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#getInt(java.lang.String) |
| */ |
| public int getInt(String key) { |
| return currentTheme.getInt(key); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#getBoolean(java.lang.String) |
| */ |
| public boolean getBoolean(String key) { |
| return currentTheme.getBoolean(key); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.themes.ITheme#keySet() |
| */ |
| public Set keySet() { |
| return currentTheme.keySet(); |
| } |
| |
| } |