| /******************************************************************************* |
| * Copyright (c) 2008-2011 Chair for Applied Software Engineering, |
| * Technische Universitaet Muenchen. |
| * 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: |
| ******************************************************************************/ |
| package org.eclipse.emf.emfstore.client.ui.decorators; |
| |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.FileLocator; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.emfstore.client.model.ProjectSpace; |
| import org.eclipse.emf.emfstore.client.model.WorkspaceManager; |
| import org.eclipse.emf.emfstore.common.model.ModelElementId; |
| import org.eclipse.emf.emfstore.common.model.Project; |
| import org.eclipse.emf.emfstore.common.model.util.ModelUtil; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.viewers.IDecoration; |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.jface.viewers.ILightweightLabelDecorator; |
| |
| /** |
| * The decorator to show dirty state of an element shown in viewers. |
| * |
| * @author Helming |
| */ |
| public class ModelElementDirtyDecorator implements ILightweightLabelDecorator { |
| |
| private static final String DIRTY_ICON_PATH = "icons/dirty.png"; |
| private static ImageDescriptor descriptor; |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.jface.viewers.ILightweightLabelDecorator#decorate(java.lang .Object, |
| * org.eclipse.jface.viewers.IDecoration) |
| * @param element element |
| * @param decoration decoration |
| */ |
| public void decorate(Object element, IDecoration decoration) { |
| URL url = null; |
| boolean dirty = false; |
| if (element instanceof EObject) { |
| EObject modelElement = (EObject) element; |
| Project project = ModelUtil.getProject(modelElement); |
| if (project == null) { |
| return; |
| } |
| ProjectSpace projectSpace = WorkspaceManager.getProjectSpace(modelElement); |
| if (projectSpace == null) { |
| return; |
| } |
| ModelElementId modelElementId = project.getModelElementId(modelElement); |
| if (modelElementId == null) { |
| return; |
| } |
| if (projectSpace.getModifiedModelElementsCache().isModelElementDirty(modelElementId)) { |
| dirty = true; |
| } |
| } |
| if (dirty) { |
| if (descriptor == null) { |
| url = FileLocator.find(Platform.getBundle("org.eclipse.emf.ecp.common"), new Path(DIRTY_ICON_PATH), null); |
| descriptor = ImageDescriptor.createFromURL(url); |
| } |
| decoration.addOverlay(descriptor, IDecoration.BOTTOM_LEFT); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse. jface.viewers.ILabelProviderListener) |
| */ |
| public void addListener(ILabelProviderListener listener) { |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose() |
| */ |
| public void dispose() { |
| } |
| |
| /** |
| * . {@inheritDoc} |
| * |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang .Object, java.lang.String) |
| */ |
| public boolean isLabelProperty(Object element, String property) { |
| return false; |
| } |
| |
| /** |
| * . {@inheritDoc} |
| * |
| * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse |
| * .jface.viewers.ILabelProviderListener) |
| */ |
| public void removeListener(ILabelProviderListener listener) { |
| } |
| } |