/*******************************************************************************
* Copyright (c) 2005, 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.dialogs;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.IWorkingSet;
public class WorkingSetLabelProvider extends LabelProvider {
private Map icons;
/**
* Create a new instance of the receiver.
*/
public WorkingSetLabelProvider() {
icons = new Hashtable();
}
public void dispose() {
Iterator iterator = icons.values().iterator();
while (iterator.hasNext()) {
Image icon = (Image) iterator.next();
icon.dispose();
}
super.dispose();
}
public Image getImage(Object object) {
Assert.isTrue(object instanceof IWorkingSet);
IWorkingSet workingSet = (IWorkingSet) object;
ImageDescriptor imageDescriptor = workingSet.getImageDescriptor();
if (imageDescriptor == null) {
return null;
}
Image icon = (Image) icons.get(imageDescriptor);
if (icon == null) {
icon = imageDescriptor.createImage();
icons.put(imageDescriptor, icon);
}
return icon;
}
public String getText(Object object) {
Assert.isTrue(object instanceof IWorkingSet);
IWorkingSet workingSet = (IWorkingSet) object;
return workingSet.getLabel();
}
}