de.uni_koeln.ub.drc.ui.handlers.ExitHandler.java Source code

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Here is the source code for de.uni_koeln.ub.drc.ui.handlers.ExitHandler.java

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/**************************************************************************************************
 * Copyright (c) 2010 Mihail Atanassov. 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
 * <p/>
 * Contributors: Mihail Atanassov - initial API and implementation
 *************************************************************************************************/
package de.uni_koeln.ub.drc.ui.handlers;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;

import de.uni_koeln.ub.drc.ui.Messages;
import de.uni_koeln.ub.drc.ui.facades.IDialogConstantsHelper;
import de.uni_koeln.ub.drc.ui.views.EditView;

/**
 * @author Mihail Atanassov (matana)
 */
public class ExitHandler extends AbstractHandler {
    /**
     * The class / ExitHandler ID
     */
    public static final String ID = ExitHandler.class.getName().toLowerCase();

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        IWorkbenchWindow activeWorkbenchWindow = HandlerUtil.getActiveWorkbenchWindow(event);
        EditView ev = (EditView) activeWorkbenchWindow.getActivePage().findView(EditView.ID);
        if (ev != null && ev.isDirty()) {
            MessageDialog dialog = new MessageDialog(ev.getSite().getShell(), Messages.get().SavePage, null,
                    Messages.get().CurrentPageModified, MessageDialog.CONFIRM,
                    new String[] { IDialogConstantsHelper.getYesLabel(), IDialogConstantsHelper.getNoLabel() }, 0);
            dialog.create();
            if (dialog.open() == Window.OK) {
                ev.doSave(new NullProgressMonitor());
            }
        }
        // SessionContextSingleton.getInstance().exit();
        return PlatformUI.getWorkbench().close();
    }

}