gov.redhawk.ui.port.playaudio.internal.handlers.PlayPortHandler.java Source code

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Here is the source code for gov.redhawk.ui.port.playaudio.internal.handlers.PlayPortHandler.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.ui.port.playaudio.internal.handlers;

import gov.redhawk.model.sca.ScaUsesPort;
import gov.redhawk.sca.util.PluginUtil;
import gov.redhawk.ui.port.playaudio.internal.Activator;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;

public class PlayPortHandler extends AbstractHandler {

    public PlayPortHandler() {
    }

    public void connect(final List<?> portList) {

    }

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getActiveMenuSelection(event);
        if (selection == null) {
            selection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
        }
        if (selection != null) {
            List<?> elements = selection.toList();
            final List<ScaUsesPort> ports = new ArrayList<ScaUsesPort>();
            for (Object obj : elements) {
                ScaUsesPort port = PluginUtil.adapt(ScaUsesPort.class, obj);
                if (port != null) {
                    ports.add(port);
                }
            }
            if (!ports.isEmpty()) {
                Activator.getDefault().playPorts(ports);
            }
        }
        return null;
    }
}