com.ibm.research.tours.actions.RunTourActionDelegate.java Source code

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Here is the source code for com.ibm.research.tours.actions.RunTourActionDelegate.java

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/*******************************************************************************
 * Copyright (c) 2006-2007 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *     IBM Research
 *******************************************************************************/
package com.ibm.research.tours.actions;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;

import com.ibm.research.tours.ITour;
import com.ibm.research.tours.ToursPlugin;
import com.ibm.research.tours.serializer.XMLTourFactory;

public class RunTourActionDelegate implements IObjectActionDelegate {
    IWorkbenchPart fTargetPart;
    IStructuredSelection fSelection;

    public void setActivePart(IAction action, IWorkbenchPart targetPart) {
        fTargetPart = targetPart;
    }

    public void run(IAction action) {
        Object[] selection = fSelection.toArray();

        for (Object selected : selection) {
            if (selected instanceof IFile) {
                IFile file = (IFile) selected;
                try {
                    ITour tour = XMLTourFactory.createTour(file);
                    boolean open = true;

                    if (tour != null && tour.getElementCount() == 0) {
                        if (!MessageDialog.openQuestion(fTargetPart.getSite().getShell(), "Run Tour",
                                "This tour contains no runnable elements, open anyway?"))
                            open = false;

                    }

                    if (open) {
                        ToursPlugin.getDefault().getTourRuntime().run(tour);
                    }
                } catch (CoreException e) {
                    MessageBox box = new MessageBox(
                            PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());
                    box.setText("Error opening tour");
                    box.setMessage(e.getMessage());
                    box.open();
                    e.printStackTrace();
                }

            }
        }
    }

    public void selectionChanged(IAction action, ISelection selection) {
        fSelection = (IStructuredSelection) selection;
    }
}