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/*******************************************************************************
* Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2006, Shawn O. Pearce <spearce@spearce.org>
*
* 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
*******************************************************************************/
package org.eclipse.egit.ui.internal.actions;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.egit.core.op.BranchOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.UIText;
import org.eclipse.egit.ui.internal.decorators.GitLightweightDecorator;
import org.eclipse.egit.ui.internal.dialogs.BranchSelectionDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.osgi.util.NLS;
/**
* Action for selecting a branch and checking it out.
*
* @see BranchOperation
*/
public class BranchActionHandler extends RepositoryActionHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
final Repository repository = getRepository(true, event);
if (repository == null)
return null;
if (!repository.getRepositoryState().canCheckout()) {
MessageDialog.openError(getShell(event),
UIText.BranchAction_cannotCheckout, NLS.bind(
UIText.BranchAction_repositoryState, repository
.getRepositoryState().getDescription()));
return null;
}
BranchSelectionDialog dialog = new BranchSelectionDialog(
getShell(event), repository);
if (dialog.open() != Window.OK) {
return null;
}
final String refName = dialog.getRefName();
String jobname = NLS.bind(UIText.BranchAction_checkingOut, refName);
Job job = new Job(jobname) {
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
new BranchOperation(repository, refName).execute(monitor);
} catch (CoreException e) {
return Activator.createErrorStatus(
UIText.BranchAction_branchFailed, e);
} finally {
GitLightweightDecorator.refresh();
}
return Status.OK_STATUS;
}
};
job.setUser(true);
job.schedule();
return null;
}
@Override
public boolean isEnabled() {
try {
return getRepository(false, null) != null;
} catch (ExecutionException e) {
Activator.handleError(e.getMessage(), e, false);
return false;
}
}
}
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