gov.redhawk.datalist.ui.handlers.DataListHandler.java Source code

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Here is the source code for gov.redhawk.datalist.ui.handlers.DataListHandler.java

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/*******************************************************************************
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 *
 * This file is part of REDHAWK IDE.
 *
 * 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
 *******************************************************************************/
package gov.redhawk.datalist.ui.handlers;

import gov.redhawk.datalist.ui.DataListPlugin;
import gov.redhawk.datalist.ui.views.DataListView;
import gov.redhawk.model.sca.ScaUsesPort;
import gov.redhawk.sca.util.PluginUtil;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.handlers.HandlerUtil;

/**
 * @since 2.0
 */
public class DataListHandler extends AbstractHandler {
    /**
     * The constructor.
     */
    public DataListHandler() {
    }

    @Override
    public Object execute(final ExecutionEvent event) throws ExecutionException {
        final IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
        ISelection selection = HandlerUtil.getActiveMenuSelection(event);
        if (selection == null) {
            selection = HandlerUtil.getCurrentSelection(event);
        }
        if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
            final IStructuredSelection ss = (IStructuredSelection) selection;
            for (final Object obj : ss.toArray()) {
                final ScaUsesPort port = PluginUtil.adapt(ScaUsesPort.class, obj, true);
                if (port != null) {
                    try {
                        final IViewPart view = window.getActivePage().showView(DataListView.ID,
                                String.valueOf(port.hashCode()), IWorkbenchPage.VIEW_ACTIVATE);
                        if (view instanceof DataListView) {
                            final DataListView dView = (DataListView) view;
                            dView.setInput(port);
                        }
                    } catch (final PartInitException e) {
                        e.fillInStackTrace();
                        DataListPlugin.getDefault().getLog().log(new Status(Status.WARNING,
                                DataListPlugin.PLUGIN_ID, "Problem initializing part.", e));
                    }
                }
            }
        }
        return null;
    }
}