/*******************************************************************************
* Copyright (c) 2014 Maik Schreiber
*
* 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
*
* Contributors:
* Maik Schreiber - initial implementation
*******************************************************************************/
package org.eclipse.egit.ui.internal.commit.command;
import java.text.MessageFormat;
import java.util.List;
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.CommitUtil;
import org.eclipse.egit.core.op.SquashCommitsOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.JobFamilies;
import org.eclipse.egit.ui.internal.UIRepositoryUtils;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.handler.SelectionHandler;
import org.eclipse.egit.ui.internal.rebase.CommitMessageEditorDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.jgit.api.RebaseCommand.InteractiveHandler;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.lib.RebaseTodoLine;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.swt.widgets.Shell;
/** Handler to squash multiple commits into one. */
public class SquashHandler extends SelectionHandler {
/** Command id */
public static final String ID = "org.eclipse.egit.ui.commit.Squash"; //$NON-NLS-1$
public Object execute(ExecutionEvent event) throws ExecutionException {
List<RevCommit> commits = getSelectedItems(RevCommit.class, event);
if ((commits == null) || commits.isEmpty())
return null;
Repository repo = getSelectedItem(Repository.class, event);
if (repo == null)
return null;
commits = CommitUtil.sortCommits(commits);
final Shell shell = getPart(event).getSite().getShell();
try {
if (!UIRepositoryUtils.handleUncommittedFiles(repo, shell))
return null;
} catch (GitAPIException e) {
Activator.logError(e.getMessage(), e);
return null;
}
InteractiveHandler messageHandler = new InteractiveHandler() {
public void prepareSteps(List<RebaseTodoLine> steps) {
// not used
}
public String modifyCommitMessage(String oldMessage) {
return promptCommitMessage(shell, oldMessage);
}
};
final SquashCommitsOperation op = new SquashCommitsOperation(repo,
commits, messageHandler);
Job job = new Job(MessageFormat.format(UIText.SquashHandler_JobName,
Integer.valueOf(commits.size()))) {
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
op.execute(monitor);
} catch (CoreException e) {
Activator.logError(UIText.SquashHandler_InternalError, e);
}
return Status.OK_STATUS;
}
@Override
public boolean belongsTo(Object family) {
if (JobFamilies.SQUASH.equals(family))
return true;
return super.belongsTo(family);
}
};
job.setUser(true);
job.setRule(op.getSchedulingRule());
job.schedule();
return null;
}
private String promptCommitMessage(final Shell shell, final String message) {
final String[] msg = { message };
shell.getDisplay().syncExec(new Runnable() {
public void run() {
CommitMessageEditorDialog dialog = new CommitMessageEditorDialog(
shell, msg[0]);
if (dialog.open() == Window.OK)
msg[0] = dialog.getCommitMessage();
else
msg[0] = message;
}
});
return msg[0];
}
}