net.openchrom.chromatogram.msd.identifier.supplier.cdk.ui.handlers.DeleteIdentificationsChromatogramHandler.java Source code

Introduction

Here is the source code for net.openchrom.chromatogram.msd.identifier.supplier.cdk.ui.handlers.DeleteIdentificationsChromatogramHandler.java

Source

/*******************************************************************************
 * Copyright (c) 2013, 2017 Lablicate GmbH.
 * 
 * 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:
 * Dr. Philip Wenig - initial API and implementation
 *******************************************************************************/
package net.openchrom.chromatogram.msd.identifier.supplier.cdk.ui.handlers;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.chemclipse.logging.core.Logger;
import org.eclipse.chemclipse.msd.model.core.selection.IChromatogramSelectionMSD;
import org.eclipse.chemclipse.progress.core.InfoType;
import org.eclipse.chemclipse.progress.core.StatusLineLogger;
import org.eclipse.chemclipse.support.events.IChemClipseEvents;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.MessageBox;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventHandler;

import net.openchrom.chromatogram.msd.identifier.supplier.cdk.ui.internal.handlers.DeleteIdentificationsChromatogramRunnable;

public class DeleteIdentificationsChromatogramHandler implements EventHandler {

    private static final Logger logger = Logger.getLogger(DeleteIdentificationsChromatogramHandler.class);
    private static IChromatogramSelectionMSD chromatogramSelection;

    @Execute
    public void execute() {

        if (chromatogramSelection != null) {
            /*
             * Ask before deleting the identification entries.
             */
            final Display display = Display.getCurrent();
            MessageBox messageBox = new MessageBox(display.getActiveShell(),
                    SWT.ICON_WARNING | SWT.YES | SWT.NO | SWT.CANCEL);
            messageBox.setText("Delete Identifications");
            messageBox.setMessage("Do you really want to delete all identifications without SMILES?");
            int decision = messageBox.open();
            if (SWT.YES == decision) {
                /*
                 * Yes, delete.
                 */
                StatusLineLogger.setInfo(InfoType.MESSAGE, "Start deleting identifications without SMILES.");
                IRunnableWithProgress runnable = new DeleteIdentificationsChromatogramRunnable(
                        chromatogramSelection);
                ProgressMonitorDialog monitor = new ProgressMonitorDialog(display.getActiveShell());
                try {
                    /*
                     * Use true, true ... instead of false, true ... if the progress bar
                     * should be shown in action.
                     */
                    monitor.run(true, true, runnable);
                } catch (InvocationTargetException e) {
                    logger.warn(e);
                } catch (InterruptedException e) {
                    logger.warn(e);
                }
                StatusLineLogger.setInfo(InfoType.MESSAGE,
                        "Done: All identifications without formula have been removed.");
            }
        }
    }

    @Override
    public void handleEvent(Event event) {

        if (event.getTopic().equals(IChemClipseEvents.TOPIC_CHROMATOGRAM_MSD_UPDATE_CHROMATOGRAM_SELECTION)) {
            chromatogramSelection = (IChromatogramSelectionMSD) event
                    .getProperty(IChemClipseEvents.PROPERTY_CHROMATOGRAM_SELECTION);
        } else {
            chromatogramSelection = null;
        }
    }
}