| /******************************************************************************* |
| * Copyright (c) 2005, 2011 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.jdt.internal.ui.model; |
| |
| import org.eclipse.team.core.diff.IDiff; |
| import org.eclipse.team.core.diff.IDiffTree; |
| import org.eclipse.team.core.mapping.ISynchronizationContext; |
| |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.Image; |
| |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| |
| import org.eclipse.jface.viewers.DecoratingLabelProvider; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.ITreePathLabelProvider; |
| import org.eclipse.jface.viewers.TreePath; |
| import org.eclipse.jface.viewers.ViewerLabel; |
| |
| import org.eclipse.ltk.ui.refactoring.model.AbstractSynchronizationLabelProvider; |
| |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.JavaCore; |
| |
| import org.eclipse.jdt.ui.ProblemsLabelDecorator; |
| |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| |
| /** |
| * Java-aware synchronization label provider. |
| * |
| * @since 3.2 |
| */ |
| public final class JavaSynchronizationLabelProvider extends AbstractSynchronizationLabelProvider implements ITreePathLabelProvider{ |
| |
| /** The delegate label provider, or <code>null</code> */ |
| private ILabelProvider fLabelProvider= null; |
| |
| /** The model root, or <code>null</code> */ |
| private Object fModelRoot= null; |
| |
| /** The package image, or <code>null</code> */ |
| private Image fPackageImage= null; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void dispose() { |
| if (fPackageImage != null && !fPackageImage.isDisposed()) |
| fPackageImage.dispose(); |
| if (fLabelProvider != null) |
| fLabelProvider.dispose(); |
| super.dispose(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public Image getDelegateImage(final Object element) { |
| if (element instanceof IPackageFragment) { |
| final IPackageFragment fragment= (IPackageFragment) element; |
| final IResource resource= fragment.getResource(); |
| if (resource == null || !resource.exists()) { |
| if (fPackageImage == null) |
| fPackageImage= JavaPluginImages.DESC_OBJS_PACKAGE.createImage(); |
| return fPackageImage; |
| } |
| } |
| return super.getDelegateImage(element); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected ILabelProvider getDelegateLabelProvider() { |
| if (fLabelProvider == null) |
| fLabelProvider= new DecoratingLabelProvider(new JavaModelLabelProvider(ModelMessages.JavaModelLabelProvider_project_preferences_label, ModelMessages.JavaModelLabelProvider_refactorings_label), new ProblemsLabelDecorator(null)); |
| return fLabelProvider; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected IDiff getDiff(final Object element) { |
| final ISynchronizationContext context= getContext(); |
| final IResource resource= JavaModelProvider.getResource(element); |
| if (context != null && resource != null) { |
| final IDiff[] diff= JavaSynchronizationContentProvider.getDiffs(context, element); |
| for (int index= 0; index < diff.length; index++) { |
| if (context.getDiffTree().getResource(diff[index]).equals(resource)) |
| return diff[index]; |
| } |
| } |
| return super.getDiff(element); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected int getMarkerSeverity(final Object element) { |
| // Decoration label provider is handling this |
| return -1; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected Object getModelRoot() { |
| if (fModelRoot == null) |
| fModelRoot= JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()); |
| return fModelRoot; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected boolean hasDecendantConflicts(final Object element) { |
| final ISynchronizationContext context= getContext(); |
| final IResource resource= JavaModelProvider.getResource(element); |
| if (context != null && resource != null) |
| return context.getDiffTree().getProperty(resource.getFullPath(), IDiffTree.P_HAS_DESCENDANT_CONFLICTS); |
| return super.hasDecendantConflicts(element); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected boolean isBusy(final Object element) { |
| final ISynchronizationContext context= getContext(); |
| final IResource resource= JavaModelProvider.getResource(element); |
| if (context != null && resource != null) |
| return context.getDiffTree().getProperty(resource.getFullPath(), IDiffTree.P_BUSY_HINT); |
| return super.isBusy(element); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected boolean isIncludeOverlays() { |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreePathLabelProvider#updateLabel(org.eclipse.jface.viewers.ViewerLabel, org.eclipse.jface.viewers.TreePath) |
| */ |
| public void updateLabel(ViewerLabel label, TreePath elementPath) { |
| Object firstSegment = elementPath.getFirstSegment(); |
| if (firstSegment instanceof IProject && elementPath.getSegmentCount() == 2) { |
| IProject project = (IProject) firstSegment; |
| Object lastSegment = elementPath.getLastSegment(); |
| if (lastSegment instanceof IFolder) { |
| IFolder folder = (IFolder) lastSegment; |
| if (!folder.getParent().equals(project)) { |
| // This means that a folder that is not a direct child of the project |
| // is a child in the tree. Therefore, the resource content provider |
| // must be active and in compress folder mode so we will leave |
| // it to the resource provider to provide the proper label. |
| // We need to do this because of bug 153912 |
| return; |
| } |
| } |
| } |
| label.setImage(getImage(elementPath.getLastSegment())); |
| label.setText(getText(elementPath.getLastSegment())); |
| Font f = getFont(elementPath.getLastSegment()); |
| if (f != null) |
| label.setFont(f); |
| } |
| } |