/*******************************************************************************
* Copyright (C) 2010, Mathias Kinzler <mathias.kinzler@sap.com>
*
* 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.io.IOException;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.decorators.GitQuickDiffProvider;
import org.eclipse.egit.ui.internal.history.GitHistoryPage;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jgit.lib.Repository;
/**
* "Set quickdiff baseline" to selected commit.
*/
public class SetQuickdiffBaselineHandler extends AbstractHistoryCommandHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
Repository repo = getRepository(event);
String baseline = getSelectedCommitId(event).name();
if (repo == null)
throw new ExecutionException(
UIText.ResetQuickdiffBaselineHandler_NoTargetMessage);
try {
GitQuickDiffProvider.setBaselineReference(repo, baseline);
} catch (IOException e) {
throw new ExecutionException(e.getMessage(), e);
}
return null;
}
@Override
public boolean isEnabled() {
GitHistoryPage page = getPage();
if (page == null)
return false;
IStructuredSelection selection = getSelection(page);
return selection.size() == 1;
}
}