/*******************************************************************************
* Copyright (c) 2010 SAP AG.
* 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:
* Mathias Kinzler (SAP AG) - initial implementation
* Dariusz Luksza (dariusz@luksza.org - set action disabled when HEAD cannot
* be resolved
*******************************************************************************/
package org.eclipse.egit.ui.internal.repository.tree.command;
import java.io.IOException;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.internal.repository.CreateBranchWizard;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNode;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNodeType;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
/**
* Creates a branch using a simple dialog.
* <p>
* This is context-sensitive as it suggests the currently selected branch or (if
* not started from a branch) the currently checked-out branch as source branch.
* The user can override this suggestion.
*/
public class CreateBranchCommand extends
RepositoriesViewCommandHandler<RepositoryTreeNode> {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
final RepositoryTreeNode node = getSelectedNodes(event).get(0);
if (node.getType() == RepositoryTreeNodeType.ADDITIONALREF) {
Ref ref = (Ref) node.getObject();
try (RevWalk rw = new RevWalk(node.getRepository())) {
RevCommit baseCommit = rw
.parseCommit(ref.getLeaf().getObjectId());
WizardDialog dlg = new WizardDialog(
getShell(event),
new CreateBranchWizard(node.getRepository(), baseCommit.name()));
dlg.setHelpAvailable(false);
dlg.open();
} catch (IOException e) {
Activator.handleError(e.getMessage(), e, true);
}
return null;
}
String base = null;
if (node.getObject() instanceof Ref)
base = ((Ref) node.getObject()).getName();
new WizardDialog(getShell(event), new CreateBranchWizard(node
.getRepository(), base)).open();
return null;
}
@Override
public boolean isEnabled() {
return selectedRepositoryHasHead();
}
}