/*******************************************************************************
* 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.history.command;
import java.io.IOException;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
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.internal.job.RuleUtil;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.internal.CommonUtils;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.commit.RepositoryCommit;
import org.eclipse.egit.ui.internal.history.GitHistoryPage;
import org.eclipse.egit.ui.internal.rebase.RebaseInteractiveView;
import org.eclipse.egit.ui.internal.staging.StagingView;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.RepositoryState;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.progress.UIJob;
/** Checks out a commit (in interactive rebase mode) for editing. */
public class EditHandler extends AbstractHistoryCommandHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
final Repository repository = getRepository(event);
final RevCommit commit = getSelectedCommit(event);
try {
if (!CommitUtil.isCommitInCurrentBranch(commit, repository)) {
MessageDialog.openError(
HandlerUtil.getActiveShellChecked(event),
UIText.EditHandler_Error_Title,
UIText.EditHandler_CommitNotOnCurrentBranch);
return null;
}
} catch (IOException e) {
throw new ExecutionException(
UIText.EditHandler_ErrorCheckingIfCommitIsOnCurrentBranch,
e);
}
final IStructuredSelection selected = new StructuredSelection(
new RepositoryCommit(repository, commit));
CommonUtils.runCommand(
org.eclipse.egit.ui.internal.commit.command.EditHandler.ID,
selected);
openStagingAndRebaseInteractiveViews(repository);
return null;
}
private void openStagingAndRebaseInteractiveViews(final Repository repository) {
Job job = new UIJob(UIText.EditHandler_OpenStagingAndRebaseInteractiveViews) {
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
try {
IWorkbenchPage workbenchPage = getPage().getSite()
.getPage();
final StagingView stagingView = (StagingView) workbenchPage
.showView(StagingView.VIEW_ID);
stagingView.reload(repository);
stagingView.setAmending(true);
RebaseInteractiveView rebaseView = (RebaseInteractiveView) workbenchPage
.showView(RebaseInteractiveView.VIEW_ID);
rebaseView.setInput(repository);
} catch (PartInitException e) {
Activator.logError(e.getMessage(), e);
}
return Status.OK_STATUS;
}
};
job.setRule(RuleUtil.getRule(repository));
job.setUser(true);
job.schedule();
}
@Override
public boolean isEnabled() {
GitHistoryPage page = getPage();
if (page == null)
return false;
IStructuredSelection selection = getSelection(page);
if (selection.size() != 1)
return false;
Repository repository = getRepository(page);
if (repository.getRepositoryState() != RepositoryState.SAFE)
return false;
RevCommit commit = (RevCommit) selection.getFirstElement();
return (commit.getParentCount() == 1);
}
}