org.eclipse.egit.ui.internal.repository.tree.command.RenameBranchCommand.java Source code

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Here is the source code for org.eclipse.egit.ui.internal.repository.tree.command.RenameBranchCommand.java

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/*******************************************************************************
 * Copyright (c) 2010 EclipseSource.
 * 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:
 *    Benjamin Muskalla (EclipseSource) - initial implementation
 *******************************************************************************/
package org.eclipse.egit.ui.internal.repository.tree.command;

import java.util.List;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.egit.core.op.RenameBranchOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.UIText;
import org.eclipse.egit.ui.internal.ValidationUtils;
import org.eclipse.egit.ui.internal.repository.tree.RefNode;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Shell;

/**
 * Renames a branch
 */
public class RenameBranchCommand extends RepositoriesViewCommandHandler<RefNode> {
    public Object execute(ExecutionEvent event) throws ExecutionException {
        final List<RefNode> nodes = getSelectedNodes(event);
        RefNode refNode = nodes.get(0);

        Shell shell = getShell(event);
        String oldName = refNode.getObject().getName();
        String prefix;
        if (oldName.startsWith(Constants.R_HEADS))
            prefix = Constants.R_HEADS;
        else if (oldName.startsWith(Constants.R_REMOTES))
            prefix = Constants.R_REMOTES;
        else
            throw new ExecutionException(NLS.bind(UIText.RenameBranchCommand_WrongNameMessage, oldName));
        Repository db = refNode.getRepository();
        IInputValidator inputValidator = ValidationUtils.getRefNameInputValidator(db, prefix, true);
        String defaultValue = Repository.shortenRefName(oldName);
        InputDialog newNameDialog = new InputDialog(shell, UIText.RepositoriesView_RenameBranchTitle,
                NLS.bind(UIText.RepositoriesView_RenameBranchMessage, defaultValue), defaultValue, inputValidator);
        if (newNameDialog.open() == Window.OK) {
            try {
                String newName = newNameDialog.getValue();
                new RenameBranchOperation(db, refNode.getObject(), newName).execute(null);
            } catch (CoreException e) {
                Activator.handleError(UIText.RepositoriesView_RenameBranchFailure, e, true);
            }
        }
        return null;
    }
}