DrawPolygonControl.java

/**
 *
 *    geo-platform
 *    Rich webgis framework
 *    http://geo-platform.org
 *   ====================================================================
 *
 *   Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
 *
 *   This program is free software: you can redistribute it and/or modify it
 *   under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version. This program 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 General Public License
 *   for more details. You should have received a copy of the GNU General
 *   Public License along with this program. If not, see http://www.gnu.org/licenses/
 *
 *   ====================================================================
 *
 *   Linking this library statically or dynamically with other modules is
 *   making a combined work based on this library. Thus, the terms and
 *   conditions of the GNU General Public License cover the whole combination.
 *
 *   As a special exception, the copyright holders of this library give you permission
 *   to link this library with independent modules to produce an executable, regardless
 *   of the license terms of these independent modules, and to copy and distribute
 *   the resulting executable under terms of your choice, provided that you also meet,
 *   for each linked independent module, the terms and conditions of the license of
 *   that module. An independent module is a module which is not derived from or
 *   based on this library. If you modify this library, you may extend this exception
 *   to your version of the library, but you are not obligated to do so. If you do not
 *   wish to do so, delete this exception statement from your version.
 */
package org.geosdi.geoplatform.gui.client.widget.map.control;

import org.gwtopenmaps.openlayers.client.control.DrawFeature;
import org.gwtopenmaps.openlayers.client.control.DrawFeatureOptions;
import org.gwtopenmaps.openlayers.client.handler.PolygonHandler;
import org.gwtopenmaps.openlayers.client.layer.Vector;

/**
 * @author Giuseppe La Scaleia - CNR IMAA geoSDI Group
 * @email giuseppe.lascaleia@geosdi.org
 *
 */
public class DrawPolygonControl extends DrawGenericFeatureControl {

    public DrawPolygonControl(Vector vector) {
        super(vector, true);
    }

    /**
     * (non-Javadoc)
     *
     * @see
     * org.geosdi.geoplatform.gui.client.widget.map.control.MapControl#createControl()
     */
    @Override
    public void createControl() {
        if (!initialized) {
            DrawFeatureOptions drawPolygonFeatureOptions = new DrawFeatureOptions();
            drawPolygonFeatureOptions.onFeatureAdded(
                    super.createFeatureAddedListener());

            this.control = new DrawFeature(this.vector, new PolygonHandler(),
                    drawPolygonFeatureOptions);

            initialized = true;
        }
    }

    /**
     * (non-Javadoc)
     *
     * @see
     * org.geosdi.geoplatform.gui.client.widget.map.control.DrawGenericFeatureControl#activateControl()
     */
    @Override
    public void activateControl() {
        super.activateControl();
        this.control.getLayer().setZIndex(9000);
    }
}