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/*******************************************************************************
* Copyright (C) 2010, Roland Grunberg <rgrunber@redhat.com>
*
* 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.resources.IProject;
import org.eclipse.core.resources.IResource;
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.DiscardChangesOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.UIText;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.RepositoryState;
/**
* Checkout all selected dirty files.
*/
public class DiscardChangesActionHandler extends RepositoryActionHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
boolean performAction = MessageDialog.openConfirm(getShell(event),
UIText.DiscardChangesAction_confirmActionTitle,
UIText.DiscardChangesAction_confirmActionMessage);
if (!performAction)
return null;
final DiscardChangesOperation operation = new DiscardChangesOperation(
getSelectedResources(event));
String jobname = UIText.DiscardChangesAction_discardChanges;
Job job = new Job(jobname) {
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
operation.execute(monitor);
} catch (CoreException e) {
return Activator.createErrorStatus(e.getStatus()
.getMessage(), e);
}
return Status.OK_STATUS;
}
};
job.setUser(true);
job.setRule(operation.getSchedulingRule());
job.schedule();
return null;
}
@Override
public boolean isEnabled() {
for (IResource res : getSelectedResources()) {
IProject[] proj = new IProject[] { res.getProject() };
Repository[] repositories = getRepositoriesFor(proj);
if (repositories.length == 0)
return false;
Repository repository = repositories[0];
if (!repository.getRepositoryState().equals(RepositoryState.SAFE)) {
return false;
}
}
return true;
}
}
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