eu.esdihumboldt.hale.ui.views.styledmap.tool.InstanceTool.java Source code

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Here is the source code for eu.esdihumboldt.hale.ui.views.styledmap.tool.InstanceTool.java

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/*
 * Copyright (c) 2012 Data Harmonisation Panel
 * 
 * All rights reserved. This program and the accompanying materials are made
 * available under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     HUMBOLDT EU Integrated Project #030962
 *     Data Harmonisation Panel <http://www.dhpanel.eu>
 */

package eu.esdihumboldt.hale.ui.views.styledmap.tool;

import java.awt.Color;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.geom.Point2D;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jdesktop.swingx.mapviewer.GeoPosition;
import org.jdesktop.swingx.mapviewer.IllegalGeoPositionException;

import de.fhg.igd.mapviewer.MapTool;
import de.fhg.igd.mapviewer.tools.AbstractMapTool;
import de.fhg.igd.mapviewer.tools.renderer.BoxRenderer;

/**
 * Tool for selecting instances, either by a click or through a selection box.
 * 
 * @author Simon Templer
 */
public class InstanceTool extends AbstractInstanceTool {

    private static final Log log = LogFactory.getLog(InstanceTool.class);

    /**
     * Default constructor
     */
    public InstanceTool() {
        BoxRenderer renderer = new BoxRenderer();

        renderer.setBackColor(new Color(0, 255, 255, 50));
        renderer.setBorderColor(new Color(0, 255, 255, 255));

        setRenderer(renderer);
    }

    /**
     * @see AbstractMapTool#click(MouseEvent, GeoPosition)
     */
    @Override
    public void click(MouseEvent me, GeoPosition pos) {
        if (me.getClickCount() == 2) {
            mapKit.setCenterPosition(pos);
            mapKit.setZoom(mapKit.getMainMap().getZoom() - 1);
        } else if (me.getClickCount() == 1) {
            if (me.isAltDown() && getPositions().size() < 1) {
                // add pos
                addPosition(pos);
            } else if (getPositions().size() == 1) {
                // finish box selection
                // action & reset
                addPosition(pos);

                // action
                try {
                    List<Point2D> points = getPoints();
                    Rectangle rect = new Rectangle((int) points.get(0).getX(), (int) points.get(0).getY(), 0, 0);
                    rect.add(points.get(1));

                    updateSelection(rect, me.isControlDown() || me.isMetaDown(), true);
                } catch (IllegalGeoPositionException e) {
                    log.error("Error calculating selection box", e); //$NON-NLS-1$
                }

                reset();
            } else {
                // click selection
                reset();

                updateSelection(me.getPoint(), me.isControlDown() || me.isMetaDown(), true);
            }
        }
    }

    /**
     * @see AbstractMapTool#popup(MouseEvent, GeoPosition)
     */
    @Override
    public void popup(MouseEvent me, GeoPosition pos) {
        reset();
    }

    /**
     * @see MapTool#isPanEnabled()
     */
    @Override
    public boolean isPanEnabled() {
        return true;
    }

}