| //------------------------------------------------------------------------------ |
| // 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 implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.authoring.ui.providers; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.epf.library.edit.util.TngUtil; |
| import org.eclipse.epf.persistence.util.PersistenceUtil; |
| import org.eclipse.epf.uma.MethodElement; |
| import org.eclipse.jface.viewers.ILabelDecorator; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.ui.IDecoratorManager; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Label decorator for method element |
| * |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| public class MethodElementLabelDecorator implements ILabelDecorator { |
| private static ILabelDecorator delegateDecorator; |
| |
| private static ILabelDecorator getDelegateDecorator() { |
| if (delegateDecorator == null) { |
| delegateDecorator = PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator(); |
| } |
| return delegateDecorator; |
| } |
| |
| private static IResource getWorkspaceResource(Object element) { |
| element = TngUtil.unwrap(element); |
| // don't decorate icon of predefined elements in library view b/c some of them are shown as UI folder |
| // |
| if(element instanceof MethodElement && TngUtil.isPredefined((MethodElement) element)) { |
| return null; |
| } |
| return PersistenceUtil.getWorkspaceResource(element); |
| } |
| |
| public MethodElementLabelDecorator() { |
| |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ILabelDecorator#decorateImage(org.eclipse.swt.graphics.Image, java.lang.Object) |
| */ |
| public Image decorateImage(Image image, Object element) { |
| IResource wsRes = getWorkspaceResource(element); |
| if(wsRes != null) { |
| image = getDelegateDecorator().decorateImage(image, wsRes); |
| } |
| return getDelegateDecorator().decorateImage(image, element); |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ILabelDecorator#decorateText(java.lang.String, java.lang.Object) |
| */ |
| public String decorateText(String text, Object element) { |
| return text; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener) |
| */ |
| public void addListener(ILabelProviderListener listener) { |
| getDelegateDecorator().addListener(listener); |
| } |
| |
| /** |
| * @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) { |
| IResource wsRes = getWorkspaceResource(element); |
| if(wsRes != null) { |
| return getDelegateDecorator().isLabelProperty(wsRes, property); |
| } |
| return false; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener) |
| */ |
| public void removeListener(ILabelProviderListener listener) { |
| getDelegateDecorator().removeListener(listener); |
| } |
| |
| public static void clearDecorationCache() { |
| IDecoratorManager decoratorManager = PlatformUI.getWorkbench().getDecoratorManager(); |
| decoratorManager.update("org.eclipse.epf.authoring.ui.providers.MethodElementLightweightLabelDecorator"); //$NON-NLS-1$ |
| } |
| } |