| /******************************************************************************* |
| * Copyright (c) 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.dialogs; |
| |
| import java.util.Hashtable; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.util.Assert; |
| 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.getImage(); |
| |
| 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(); |
| } |
| } |