org.eclipse.scada.configuration.generator.ui.AbstractFileRunner.java Source code

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Here is the source code for org.eclipse.scada.configuration.generator.ui.AbstractFileRunner.java

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/*******************************************************************************
 * Copyright (c) 2013 IBH SYSTEMS GmbH 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:
 *     IBH SYSTEMS GmbH - initial API and implementation
 *******************************************************************************/
package org.eclipse.scada.configuration.generator.ui;

import java.lang.reflect.InvocationTargetException;
import java.util.List;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.operation.ModalContext;
import org.eclipse.scada.ui.databinding.AbstractSelectionHandler;
import org.eclipse.scada.ui.utils.SelectionHelper;
import org.eclipse.scada.ui.utils.status.StatusHelper;

public abstract class AbstractFileRunner extends AbstractSelectionHandler {

    public AbstractFileRunner() {
        super();
    }

    protected abstract void runFile(final IFile file, final IProgressMonitor monitor) throws Exception;

    @Override
    public Object execute(final ExecutionEvent event) throws ExecutionException {
        final List<IFile> files = SelectionHelper.list(getSelection(), IFile.class);

        final ProgressMonitorDialog dlg = new ProgressMonitorDialog(getShell());

        dlg.open();

        try {
            ModalContext.run(new IRunnableWithProgress() {

                @Override
                public void run(final IProgressMonitor monitor)
                        throws InvocationTargetException, InterruptedException {

                    try {
                        monitor.beginTask("Running generator", files.size());
                        for (final IFile file : files) {
                            final SubProgressMonitor sub = new SubProgressMonitor(monitor, 1);
                            try {
                                runFile(file, sub);
                            } catch (final Exception e) {
                                throw new InvocationTargetException(e);
                            } finally {
                                sub.done();
                            }
                        }
                    } finally {
                        monitor.done();
                    }
                }

            }, true, dlg.getProgressMonitor(), getShell().getDisplay());
        } catch (final Exception e) {
            e.printStackTrace();
            ErrorDialog.openError(getShell(), null, null, StatusHelper.convertStatus(Activator.PLUGIN_ID, e));
        } finally {
            dlg.close();
        }

        return null;
    }
}