org.eclipse.egit.ui.internal.reflog.RefSelectionDialog.java Source code

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Here is the source code for org.eclipse.egit.ui.internal.reflog.RefSelectionDialog.java

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/******************************************************************************
 *  Copyright (c) 2011 GitHub Inc.
 *  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:
 *    Kevin Sawicki (GitHub Inc.) - initial API and implementation
 *****************************************************************************/
package org.eclipse.egit.ui.internal.reflog;

import java.text.MessageFormat;

import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.dialogs.AbstractBranchSelectionDialog;
import org.eclipse.egit.ui.internal.repository.tree.AdditionalRefNode;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jface.window.Window;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Shell;

/**
 * Select the ref to show reflog for
 */
public class RefSelectionDialog extends AbstractBranchSelectionDialog {

    /**
     * @param parentShell
     * @param repository
     */
    public RefSelectionDialog(Shell parentShell, Repository repository) {
        super(parentShell, repository, SHOW_LOCAL_BRANCHES | SHOW_REMOTE_BRANCHES | EXPAND_LOCAL_BRANCHES_NODE
                | EXPAND_REMOTE_BRANCHES_NODE | SHOW_REFERENCES);
    }

    protected void refNameSelected(String refName) {
        getButton(Window.OK).setEnabled(refName != null);
    }

    protected String getTitle() {
        String repoName;
        if (!repo.isBare())
            repoName = repo.getDirectory().getParentFile().getName();
        else
            repoName = repo.getDirectory().getName();
        return MessageFormat.format(UIText.RefSelectionDialog_Title, repoName);
    }

    @Override
    protected void createCustomArea(Composite parent) {
        branchTree.addFilter(new ViewerFilter() {

            public boolean select(Viewer viewer, Object parentElement, Object element) {
                if (element instanceof AdditionalRefNode) {
                    AdditionalRefNode ref = (AdditionalRefNode) element;
                    return Constants.HEAD.equals(ref.getObject().getName());
                }
                return true;
            }
        });
    }

    protected String getMessageText() {
        return UIText.RefSelectionDialog_Messsage;
    }
}