| /******************************************************************************* |
| * Copyright (c) 2000, 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.model; |
| |
| import java.util.HashMap; |
| |
| import org.eclipse.jface.resource.DeviceResourceException; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.resource.LocalResourceManager; |
| import org.eclipse.jface.resource.ResourceManager; |
| import org.eclipse.jface.viewers.ITableLabelProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.Saveable; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| |
| /** |
| * A table label provider implementation for showing workbench views and |
| * editors (objects of type <code>IWorkbenchPart</code>) in tree- and |
| * table-structured viewers. |
| * <p> |
| * Clients may instantiate this class. It is not intended to be subclassed. |
| * </p> |
| * |
| * @since 3.0 |
| */ |
| public final class WorkbenchPartLabelProvider extends LabelProvider implements |
| ITableLabelProvider { |
| |
| private ResourceManager resourceManager = new LocalResourceManager(JFaceResources.getResources()); |
| private HashMap images = new HashMap(); |
| |
| /** |
| * Creates a new label provider for workbench parts. |
| */ |
| public WorkbenchPartLabelProvider() { |
| super(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ILabelProvider |
| */ |
| public final Image getImage(Object element) { |
| if (element instanceof IWorkbenchPart) { |
| return ((IWorkbenchPart) element).getTitleImage(); |
| } |
| if (element instanceof Saveable) { |
| Saveable model = (Saveable) element; |
| ImageDescriptor imageDesc = model.getImageDescriptor(); |
| // convert from ImageDescriptor to Image |
| if (imageDesc == null) { |
| return null; |
| } |
| Image image = (Image) images.get(imageDesc); |
| if (image == null) { |
| try { |
| image = resourceManager.createImage(imageDesc); |
| images.put(imageDesc, image); |
| } |
| catch (DeviceResourceException e) { |
| WorkbenchPlugin.log(getClass(), "getImage", e); //$NON-NLS-1$ |
| } |
| } |
| return image; |
| } |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ILabelProvider |
| */ |
| public final String getText(Object element) { |
| if (element instanceof IWorkbenchPart) { |
| IWorkbenchPart part = (IWorkbenchPart) element; |
| String path = part.getTitleToolTip(); |
| if (path == null || path.trim().length() == 0) { |
| return part.getTitle(); |
| } |
| return part.getTitle() + " [" + path + "]"; //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| if (element instanceof Saveable) { |
| Saveable model = (Saveable) element; |
| String path = model.getToolTipText(); |
| if (path == null || path.trim().length() == 0) { |
| return model.getName(); |
| } |
| return model.getName() + " [" + path + "]"; //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| } |
| return null; |
| } |
| |
| /** |
| * @see ITableLabelProvider#getColumnImage |
| */ |
| public final Image getColumnImage(Object element, int columnIndex) { |
| return getImage(element); |
| } |
| |
| /** |
| * @see ITableLabelProvider#getColumnText |
| */ |
| public final String getColumnText(Object element, int columnIndex) { |
| return getText(element); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.LabelProvider#dispose() |
| */ |
| public void dispose() { |
| resourceManager.dispose(); |
| super.dispose(); |
| } |
| } |