/*******************************************************************************
* Copyright (c) 2011, 2013 Benjamin Muskalla 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:
* Benjamin Muskalla <bmuskalla@tasktop.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.egit.ui.internal;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.egit.ui.internal.clone.ProjectRecord;
import org.eclipse.egit.ui.internal.commit.RepositoryCommit;
import org.eclipse.egit.ui.internal.repository.tree.RefNode;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNodeType;
import org.eclipse.egit.ui.internal.synchronize.model.GitModelBlob;
import org.eclipse.egit.ui.internal.synchronize.model.GitModelCache;
import org.eclipse.egit.ui.internal.synchronize.model.GitModelCommit;
import org.eclipse.egit.ui.internal.synchronize.model.GitModelRepository;
import org.eclipse.egit.ui.internal.synchronize.model.GitModelTree;
import org.eclipse.egit.ui.internal.synchronize.model.GitModelWorkingTree;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.jface.resource.ResourceManager;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE.SharedImages;
import org.eclipse.ui.model.WorkbenchLabelProvider;
/**
* Common label provider for git related model objects
*
*/
public class GitLabelProvider extends LabelProvider implements
IStyledLabelProvider {
private ResourceManager imageCache;
private LabelProvider workbenchLabelProvider;
@Override
public String getText(Object element) {
return GitLabels.getPlainShortLabelExtended(element);
}
@Override
public Image getImage(Object element) {
if (element instanceof Repository)
return RepositoryTreeNodeType.REPO.getIcon();
if (element instanceof RefNode)
return getRefIcon(((RefNode) element).getObject());
if (element instanceof Ref)
return getRefIcon((Ref) element);
if (element instanceof GitModelBlob || element instanceof GitModelTree) {
Object adapter = ((IAdaptable) element).getAdapter(IResource.class);
return getWorkbenchLabelProvider().getImage(adapter);
}
if (element instanceof GitModelCommit
|| element instanceof GitModelCache
|| element instanceof GitModelWorkingTree
|| element instanceof RepositoryCommit)
return getChangesetIcon();
if (element instanceof GitModelRepository)
return getImage(((GitModelRepository) element).getRepository());
if (element instanceof ProjectRecord)
return PlatformUI.getWorkbench().getSharedImages()
.getImage(SharedImages.IMG_OBJ_PROJECT);
return super.getImage(element);
}
public StyledString getStyledText(Object element) {
return GitLabels.getStyledLabelExtendedSafe(element);
}
/**
* Returns the common icon for a changeset.
*
* @return an image
*/
protected Image getChangesetIcon() {
return getImageCache().createImage(UIIcons.CHANGESET);
}
private Image getRefIcon(Ref ref) {
String name = ref.getName();
if (name.startsWith(Constants.R_HEADS)
|| name.startsWith(Constants.R_REMOTES))
return RepositoryTreeNodeType.REF.getIcon();
else if (name.startsWith(Constants.R_TAGS))
return RepositoryTreeNodeType.TAG.getIcon();
else
return RepositoryTreeNodeType.ADDITIONALREF.getIcon();
}
private LabelProvider getWorkbenchLabelProvider() {
if (workbenchLabelProvider == null)
workbenchLabelProvider = new WorkbenchLabelProvider();
return workbenchLabelProvider;
}
private ResourceManager getImageCache() {
if (imageCache == null)
imageCache = new LocalResourceManager(JFaceResources.getResources());
return imageCache;
}
@Override
public void dispose() {
super.dispose();
if (imageCache != null)
imageCache.dispose();
if(workbenchLabelProvider != null)
workbenchLabelProvider.dispose();
}
}