/*******************************************************************************
* Copyright (c) 2004, 2006 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.preferences;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.jface.resource.FontRegistry;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.ui.themes.ITheme;
/**
* @since 3.1
*/
public class ThemeAdapter extends PropertyMapAdapter {
private ITheme targetTheme;
private IPropertyChangeListener listener = new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
firePropertyChange(event.getProperty());
}
};
public ThemeAdapter(ITheme targetTheme) {
this.targetTheme = targetTheme;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.preferences.PropertyMapAdapter#attachListener()
*/
protected void attachListener() {
targetTheme.addPropertyChangeListener(listener);
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.preferences.PropertyMapAdapter#detachListener()
*/
protected void detachListener() {
targetTheme.removePropertyChangeListener(listener);
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.preferences.IPropertyMap#getKeySet()
*/
public Set keySet() {
return getKeySet(targetTheme);
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.preferences.IPropertyMap#getValue(java.lang.String, java.lang.Class)
*/
public Object getValue(String propertyId, Class propertyType) {
return getValue(targetTheme, propertyId, propertyType);
}
public static Set getKeySet(ITheme targetTheme) {
Set result = new HashSet();
result.addAll(targetTheme.keySet());
result.addAll(targetTheme.getColorRegistry().getKeySet());
result.addAll(targetTheme.getFontRegistry().getKeySet());
return result;
}
public static Object getValue(ITheme targetTheme, String propertyId, Class propertyType) {
if (propertyType.isAssignableFrom(String.class)) {
return targetTheme.getString(propertyId);
}
if (propertyType.isAssignableFrom(Color.class)) {
Color result = targetTheme.getColorRegistry().get(propertyId);
if (result != null) {
return result;
}
}
if (propertyType.isAssignableFrom(Font.class)) {
FontRegistry fonts = targetTheme.getFontRegistry();
if (fonts.hasValueFor(propertyId)) {
return fonts.get(propertyId);
}
}
if (propertyType == Integer.class) {
return new Integer(targetTheme.getInt(propertyId));
}
if (propertyType == Boolean.class) {
return targetTheme.getBoolean(propertyId) ? Boolean.TRUE : Boolean.FALSE;
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.preferences.IPropertyMap#propertyExists(java.lang.String)
*/
public boolean propertyExists(String propertyId) {
return keySet().contains(propertyId);
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.preferences.IPropertyMap#setValue(java.lang.String)
*/
public void setValue(String propertyId, Object newValue) {
throw new UnsupportedOperationException();
}
}