org.opennms.features.poller.remote.gwt.client.Main.java Source code

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Here is the source code for org.opennms.features.poller.remote.gwt.client.Main.java

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/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2010-2014 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2014 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
 *     http://www.opennms.org/
 *     http://www.opennms.com/
 *******************************************************************************/

package org.opennms.features.poller.remote.gwt.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;

import de.novanic.eventservice.client.event.RemoteEventService;
import de.novanic.eventservice.client.event.RemoteEventServiceFactory;

public class Main implements EntryPoint {

    private static class DeferredCommandExecutor implements CommandExecutor {

        @Override
        public void schedule(Scheduler.RepeatingCommand command) {
            Scheduler.get().scheduleIncremental(command);
        }

        @Override
        public void schedule(final Command command) {
            Scheduler.get().scheduleDeferred(new ScheduledCommand() {
                @Override
                public void execute() {
                    command.execute();
                }
            });
        }

    }

    private HandlerManager m_eventBus;

    @Override
    public void onModuleLoad() {
        m_eventBus = new HandlerManager(null);
        Application application = new Application(getEventBus());
        MapPanel mapPanel = createMap(application);

        LocationStatusServiceAsync remoteService = GWT.create(LocationStatusService.class);
        RemoteEventService remoteEventService = RemoteEventServiceFactory.getInstance().getRemoteEventService();
        application.initialize(new DefaultApplicationView(application, getEventBus(), mapPanel), remoteService,
                remoteEventService, new DeferredCommandExecutor());
    }

    private MapPanel createMap(Application application) {
        MapPanel mapPanel;
        if (getMapType().equals("Mapquest")) {
            mapPanel = new MapQuestMapPanel(getEventBus());
        } else if (getMapType().equals("GoogleMaps")) {
            mapPanel = new GoogleMapsPanel(getEventBus());
        } else if (getMapType().equals("OpenLayers")) {
            mapPanel = new OpenLayersMapPanel(getEventBus());
        } else {
            Window.alert("unknown map implementation: " + getMapType());
            throw new RuntimeException("unknown map implementation: " + getMapType());
        }
        return mapPanel;
    }

    /**
     * <p>getMapImplementationType</p>
     *
     * @return a {@link java.lang.String} object.
     */
    public native String getMapType() /*-{
                                      return $wnd.mapImplementation;
                                      }-*/;

    public HandlerManager getEventBus() {
        return m_eventBus;
    }

}