/*******************************************************************************
* Copyright (C) 2010, 2013 Dariusz Luksza <dariusz@luksza.org> and others.
*
* 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 java.io.IOException;
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.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.egit.core.op.TagOperation;
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.decorators.GitLightweightDecorator;
import org.eclipse.egit.ui.internal.dialogs.CreateTagDialog;
import org.eclipse.egit.ui.internal.push.PushTagsWizard;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.TagBuilder;
import org.eclipse.jgit.revwalk.RevObject;
import org.eclipse.jgit.revwalk.RevWalk;
import org.eclipse.osgi.util.NLS;
/**
* An action for creating tag.
*
* @see TagOperation
*/
public class TagActionHandler extends RepositoryActionHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
final Repository repo = getRepository(true, event);
if (repo == null)
return null;
if (!repo.getRepositoryState().canCheckout()) {
MessageDialog.openError(getShell(event),
UIText.TagAction_cannotCheckout, NLS.bind(
UIText.TagAction_repositoryState, repo
.getRepositoryState().getDescription()));
return null;
}
String currentBranchName;
try {
currentBranchName = repo.getBranch();
} catch (IOException e) {
Activator
.handleError(UIText.TagAction_cannotGetBranchName, e, true);
return null;
}
CreateTagDialog dialog = new CreateTagDialog(getShell(event),
currentBranchName, repo);
if (dialog.open() != IDialogConstants.OK_ID)
return null;
final TagBuilder tag = new TagBuilder();
PersonIdent personIdent = new PersonIdent(repo);
final String tagName = dialog.getTagName();
tag.setTag(tagName);
tag.setTagger(personIdent);
tag.setMessage(dialog.getTagMessage());
RevObject tagTarget;
try {
tagTarget = getTagTarget(repo, dialog.getTagCommit());
} catch (IOException e1) {
Activator.handleError(UIText.TagAction_unableToResolveHeadObjectId,
e1, true);
return null;
}
tag.setObjectId(tagTarget);
String tagJobName = NLS.bind(UIText.TagAction_creating, tagName);
final boolean shouldMoveTag = dialog.shouldOverWriteTag();
Job tagJob = new Job(tagJobName) {
protected IStatus run(IProgressMonitor monitor) {
try {
new TagOperation(repo, tag, shouldMoveTag).execute(monitor);
} catch (CoreException e) {
return Activator.createErrorStatus(
UIText.TagAction_taggingFailed, e);
} finally {
GitLightweightDecorator.refresh();
}
return Status.OK_STATUS;
}
@Override
public boolean belongsTo(Object family) {
if (JobFamilies.TAG.equals(family))
return true;
return super.belongsTo(family);
}
};
if (dialog.shouldStartPushWizard()) {
tagJob.addJobChangeListener(new JobChangeAdapter() {
@Override
public void done(IJobChangeEvent jobChangeEvent) {
if (jobChangeEvent.getResult().isOK())
PushTagsWizard.openWizardDialog(repo, tagName);
}
});
}
tagJob.setUser(true);
tagJob.schedule();
return null;
}
@Override
public boolean isEnabled() {
final Repository repo = getRepository();
return repo != null && containsHead(repo);
}
private RevObject getTagTarget(Repository repo, ObjectId objectId)
throws IOException {
RevWalk rw = new RevWalk(repo);
try {
if (objectId == null)
return rw.parseAny(repo.resolve(Constants.HEAD));
else
return rw.parseAny(objectId);
} finally {
rw.release();
}
}
}