| /******************************************************************************* |
| * Copyright (c) 2005, 2012 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.bpel.ui.details.providers; |
| |
| import org.eclipse.bpel.ui.Messages; |
| import org.eclipse.bpel.ui.adapters.ILabeledElement; |
| import org.eclipse.bpel.ui.util.BPELUtil; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.graphics.Image; |
| |
| |
| /** |
| * A label provider for objects which adapt to the ILabeledElement interface. |
| * This can be used as a "generic" label provider for details pages, etc. |
| */ |
| |
| |
| public class ModelLabelProvider implements ILabelProvider { |
| |
| |
| private Object context = null; |
| |
| /** |
| * Create a new shiny label provider. |
| */ |
| public ModelLabelProvider () { |
| |
| } |
| |
| /** |
| * Create a new shiny label provider with the context object. |
| * @param contextObject |
| * |
| */ |
| public ModelLabelProvider (Object contextObject) { |
| context = contextObject; |
| } |
| |
| /** |
| * Default implementation does nothing. |
| * |
| * @param viewer |
| * @param oldInput |
| * @param newInput |
| */ |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // TODO: hook model listener? |
| } |
| |
| |
| /** |
| * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object) |
| */ |
| |
| public Image getImage (Object object) { |
| |
| if (object == null) { |
| return null; |
| } |
| ILabeledElement label = (ILabeledElement) BPELUtil.adapt(object, ILabeledElement.class, context); |
| if (label == null) { |
| return null; |
| } |
| |
| Image image = label.getSmallImage(object); |
| |
| // TODO: The adapters must provide images with a lifecycle outlasting any uses, |
| // since there is no protocol for destroying the images returned by adapters. |
| // If we add methods for releasing the images, call them here. |
| //if (image != null) stringToImage.put(image.toString(), image); |
| return image; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object) |
| */ |
| |
| public String getText (Object object) { |
| if (object == null) { |
| return Messages.ModelLabelProvider____None____1; |
| } |
| ILabeledElement label = (ILabeledElement)BPELUtil.adapt(object, ILabeledElement.class, context ); |
| if (label == null) { |
| return "<???>"; //$NON-NLS-1$ |
| } |
| return label.getLabel(object); |
| } |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose() |
| */ |
| |
| public void dispose() { |
| |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String) |
| */ |
| public boolean isLabelProperty (Object element, String property) { |
| return true; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener) |
| */ |
| public void addListener(ILabelProviderListener listener) { |
| // do nothing |
| } |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener) |
| */ |
| public void removeListener(ILabelProviderListener listener) { |
| // do nothing |
| } |
| } |