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/******************************************************************************
* Copyright (c) 2011, 2016 GitHub Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Kevin Sawicki (GitHub Inc.) - initial API and implementation
* François Rey - gracefully ignore linked resources
* Thomas Wolf <thomas.wolf@paranor.ch>
*****************************************************************************/
package org.eclipse.egit.ui.internal.actions;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.Adapters;
import org.eclipse.egit.core.internal.job.JobUtil;
import org.eclipse.egit.core.internal.storage.CommitFileRevision;
import org.eclipse.egit.core.project.RepositoryMapping;
import org.eclipse.egit.ui.JobFamilies;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.blame.BlameOperation;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* Show blame annotations action handler
*/
public class ShowBlameActionHandler extends RepositoryActionHandler {
/** @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) */
@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
IStructuredSelection selection = getSelection(event);
if (selection.size() != 1) {
return null;
}
Object element = selection.getFirstElement();
IResource resource = Adapters.adapt(element, IResource.class);
if (resource instanceof IFile) {
RepositoryMapping mapping = RepositoryMapping.getMapping(resource);
if (mapping != null) {
String repoRelativePath = mapping.getRepoRelativePath(resource);
Shell shell = HandlerUtil.getActiveShell(event);
IWorkbenchPage page = HandlerUtil.getActiveSite(event)
.getPage();
JobUtil.scheduleUserJob(
new BlameOperation(mapping.getRepository(),
(IFile) resource, repoRelativePath, null, shell,
page),
UIText.ShowBlameHandler_JobName, JobFamilies.BLAME);
}
} else if (element instanceof CommitFileRevision) {
Shell shell = HandlerUtil.getActiveShell(event);
IWorkbenchPage page = HandlerUtil.getActiveSite(event).getPage();
JobUtil.scheduleUserJob(
new BlameOperation((CommitFileRevision) element, shell,
page),
UIText.ShowBlameHandler_JobName, JobFamilies.BLAME);
}
return null;
}
@Override
public boolean isEnabled() {
IStructuredSelection selection = getSelection();
if (selection.size() != 1) {
return false;
}
Object element = selection.getFirstElement();
IResource resource = Adapters.adapt(element, IResource.class);
if (resource instanceof IStorage) {
return RepositoryMapping.getMapping(resource) != null;
}
return element instanceof CommitFileRevision;
}
}
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