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/*******************************************************************************
* Copyright (C) 2014, Andreas Hermann <a.v.hermann@gmail.com>
*
* 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
*******************************************************************************/
package org.eclipse.egit.ui.internal.commit.command;
import java.text.MessageFormat;
import java.util.concurrent.atomic.AtomicBoolean;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.WorkspaceJob;
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.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.egit.core.op.StashDropOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.JobFamilies;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.commit.CommitEditor;
import org.eclipse.egit.ui.internal.handler.SelectionHandler;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPart;
/**
* Handler to delete a stashed commit
*/
public class StashDropHandler extends SelectionHandler {
/**
* Command id
*/
public static final String ID = "org.eclipse.egit.ui.commit.StashDrop"; //$NON-NLS-1$
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
final RevCommit commit = getSelectedItem(RevCommit.class, event);
if (commit == null)
return null;
Repository repo = getSelectedItem(Repository.class, event);
if (repo == null)
return null;
final Shell parent = getPart(event).getSite().getShell();
final int stashIndex = getStashIndex(repo, commit.getId());
if (!confirmStashDrop(parent, stashIndex))
return null;
final StashDropOperation op = new StashDropOperation(repo, stashIndex);
Job job = new WorkspaceJob(MessageFormat.format(
UIText.StashDropCommand_jobTitle, commit.name())) {
@Override
public IStatus runInWorkspace(IProgressMonitor monitor) {
try {
op.execute(monitor);
} catch (CoreException e) {
Activator.logError(MessageFormat.format(
UIText.StashDropCommand_dropFailed, "stash@{" //$NON-NLS-1$
+ stashIndex + "}"), e); //$NON-NLS-1$
}
return Status.OK_STATUS;
}
@Override
public boolean belongsTo(Object family) {
if (JobFamilies.STASH.equals(family))
return true;
return super.belongsTo(family);
}
};
final IWorkbenchPart part = getPart(event);
job.addJobChangeListener(new JobChangeAdapter() {
@Override
public void done(IJobChangeEvent event) {
if (event.getResult().isOK()) {
if (part instanceof CommitEditor) {
((CommitEditor) part).close(false);
}
}
}
});
job.setUser(true);
job.setRule(op.getSchedulingRule());
job.schedule();
return null;
}
private int getStashIndex(Repository repo, ObjectId id)
throws ExecutionException {
int index = 0;
try {
for (RevCommit commit : Git.wrap(repo).stashList().call())
if (commit.getId().equals(id))
return index;
else
index++;
throw new IllegalStateException(MessageFormat.format(
UIText.StashDropCommand_stashCommitNotFound, id.name()));
} catch (Exception e) {
String message = MessageFormat.format(
UIText.StashDropCommand_dropFailed, id.name());
Activator.showError(message, e);
throw new ExecutionException(message, e);
}
}
private boolean confirmStashDrop(final Shell shell, final int stashIndex) {
final AtomicBoolean confirmed = new AtomicBoolean(false);
shell.getDisplay().syncExec(new Runnable() {
@Override
public void run() {
String message = MessageFormat.format(
UIText.StashDropCommand_confirmSingle,
Integer.toString(stashIndex));
confirmed.set(MessageDialog.openConfirm(shell,
UIText.StashDropCommand_confirmTitle, message));
}
});
return confirmed.get();
}
}
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