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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.ResetOperation;
import org.eclipse.egit.core.op.ResetOperation.ResetType;
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.ResetTargetSelectionDialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.osgi.util.NLS;
/**
* An action to reset the current branch to a specific revision.
*
* @see ResetOperation
*/
public class ResetActionHandler extends RepositoryActionHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
final Repository repository = getRepository(true, event);
if (repository == null)
return null;
if (!repository.getRepositoryState().canResetHead()) {
MessageDialog.openError(getShell(event),
UIText.ResetAction_errorResettingHead, NLS.bind(
UIText.ResetAction_repositoryState, repository
.getRepositoryState().getDescription()));
return null;
}
ResetTargetSelectionDialog branchSelectionDialog = new ResetTargetSelectionDialog(
getShell(event), repository);
if (branchSelectionDialog.open() == IDialogConstants.OK_ID) {
final String refName = branchSelectionDialog.getRefName();
final ResetType type = branchSelectionDialog.getResetType();
String jobname = NLS.bind(UIText.ResetAction_reset, refName);
final ResetOperation operation = new ResetOperation(repository,
refName, type);
Job job = new Job(jobname) {
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
operation.execute(monitor);
GitLightweightDecorator.refresh();
} catch (CoreException e) {
return Activator.createErrorStatus(e.getStatus()
.getMessage(), e);
}
return Status.OK_STATUS;
}
};
job.setRule(operation.getSchedulingRule());
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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