nl.cloudfarming.client.geoviewer.jxmap.map.MapMouseHandler Maven / Gradle / Ivy

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AgroSense geoviewer JXMap implementation. Contains a map/geoviewer TopComponent based on the JXMap classes from swingx.
There is a newer version: 13.03-beta
/**
 * Copyright (C) 2010-2012 Agrosense [email protected]
 *
 * Licensed under the Eclipse Public License - v 1.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.eclipse.org/legal/epl-v10.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package nl.cloudfarming.client.geoviewer.jxmap.map;

import java.awt.event.*;
import java.util.Comparator;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Timon Veenstra
 */
public class MapMouseHandler implements MouseListener, MouseMotionListener, MouseWheelListener{
    
    private static final Logger LOGGER = Logger.getAnonymousLogger();
    private boolean trace = false;
//    static{
//        LOGGER.setLevel(Level.ALL);
//        LOGGER.addHandler(SystemLogController.getInstance());
//    }
    
    private final Comparator comparator = new Comparator() {
        @Override
        public int compare(MapMouseListener o1, MapMouseListener o2) {
            if (o1 == null || o2 == null){
                return 0;
            }
            if (o1.getGroup().equals(o2.getGroup())){
                return (o1.getId() == o2.getId())?0:(o1.getId() < o2.getId()) ? -1 : 1;
            }else{
                return (o1.getGroup().getValue() == o2.getGroup().getValue()) ? 0 : (o1.getGroup().getValue() > o2.getGroup().getValue()) ? - 1 : 1;
            }
        }
    };
    
    private final MapMouseListener root;
    private final SortedSet listeners = new TreeSet(comparator);

    public MapMouseHandler(MapMouseListener root) {
        this.root = root;
    }
    
    public void addMapMouseListener(MapMouseListener mapMouseListener){
        listeners.add(mapMouseListener);
    }
    
    public void removeMapMouseListener(MapMouseListener mapMouseListener){
        listeners.remove(mapMouseListener);
    }
    
    /**
     * dispatch the event to the listeners and the map panel
     * 
     * @param e 
     */
    private void dispatch(MouseEvent e){
        MapMouseEvent event = new MapMouseEvent(e);
        LISTENERS:
        for (MapMouseListener listener:listeners){
            trace("Dispatching to:");
            trace("id:"+listener.getId()+"");
            trace("group:"+listener.getGroup().name());
            listener.onMapMouseEvent(event);
            if (event.isConsumed()){
                trace("is consumed");
                break LISTENERS;
            }
        }
        if (!event.isConsumed() ){
            trace("dispatching to the root panel");
            root.onMapMouseEvent(event);
        }
    }

    @Override
    public void mouseClicked(MouseEvent e) {
        trace =true;
        trace("==============================================================");
        trace("mouseClicked");
        dispatch(e);
        trace =false;
    }

    @Override
    public void mousePressed(MouseEvent e) {
        trace =true;
        trace("==============================================================");
        trace("mousePressed");
        dispatch(e);
        trace =false;
    }

    @Override
    public void mouseReleased(MouseEvent e) {
        trace =true;
        trace("==============================================================");
        trace("mouseReleased");
        dispatch(e);
        trace =false;
    }

    @Override
    public void mouseEntered(MouseEvent e) {
//        trace("mouseEntered");
        dispatch(e);
    }

    @Override
    public void mouseExited(MouseEvent e) {
//        trace("mouseExited");
        dispatch(e);
    }

    @Override
    public void mouseDragged(MouseEvent e) {
//        trace("mouseDragged");
        dispatch(e);
    }

    @Override
    public void mouseMoved(MouseEvent e) {
//        trace("mouseMoved");
        dispatch(e);
    }
    
    private void trace(String msg){
        if (trace && LOGGER.isLoggable(Level.FINEST)){
            LOGGER.finest(msg);
        }
    }

    @Override
    public void mouseWheelMoved(MouseWheelEvent e) {
//        trace("mouseWheelMoved");
        dispatch(e);
    }
    
}