org.eclipse.emf.cdo.internal.ui.actions.RollbackTransactionAction.java Source code

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Here is the source code for org.eclipse.emf.cdo.internal.ui.actions.RollbackTransactionAction.java

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/***************************************************************************
 * Copyright (c) 2004 - 2008 Eike Stepper, Germany.
 * 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:
 *    Eike Stepper - initial API and implementation
 **************************************************************************/
package org.eclipse.emf.cdo.internal.ui.actions;

import org.eclipse.emf.cdo.CDOTransaction;
import org.eclipse.emf.cdo.CDOView;
import org.eclipse.emf.cdo.internal.ui.dialogs.RollbackTransactionDialog;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.ui.IWorkbenchPage;

/**
 * @author Eike Stepper
 */
public final class RollbackTransactionAction extends ViewAction {
    private static final String TITLE = "Rollback";

    private static final String TOOL_TIP = "Rollback this transaction";

    private boolean remote;

    public RollbackTransactionAction(IWorkbenchPage page, CDOView view) {
        super(page, TITLE + INTERACTIVE, TOOL_TIP, null, view);
        setEnabled(getTransaction().isDirty());
    }

    @Override
    protected void preRun() throws Exception {
        CDOTransaction transaction = (CDOTransaction) getView();
        Dialog dialog = new RollbackTransactionDialog(getPage(), TITLE, "Choose how to rollback this transaction.",
                transaction);
        switch (dialog.open()) {
        case RollbackTransactionDialog.REMOTE:
            remote = true;
            break;
        case RollbackTransactionDialog.LOCAL:
            remote = false;
            break;
        default:
            cancel();
            break;
        }
    }

    @Override
    protected void doRun() throws Exception {
        getTransaction().rollback(remote);
    }
}