/*******************************************************************************
* Copyright (C) 2010, Mathias Kinzler <mathias.kinzler@sap.com>
* Copyright (C) 2012, Robin Stocker <robin@nibor.org>
*
* 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.history.command;
import java.util.List;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.egit.ui.internal.history.GitHistoryPage;
import org.eclipse.egit.ui.internal.patch.PatchOperationUI;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
/**
* Create a patch based on a commit.
*/
public class CreatePatchHandler extends AbstractHistoryCommandHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
List<RevCommit> selectedCommits = getSelectedCommits(event);
RevCommit commit = selectedCommits.get(0);
Repository repo = getRepository(event);
PatchOperationUI.createPatch(getPart(event), commit, repo).start();
return null;
}
@Override
public boolean isEnabled() {
GitHistoryPage page = getPage();
if (page == null)
return false;
IStructuredSelection selection = getSelection(page);
if (selection.size() != 1)
return false;
RevCommit commit = (RevCommit) selection.getFirstElement();
return (commit.getParentCount() <= 1);
}
}