Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontrol.tools.Behavior;

import java.awt.event.MouseEvent;

import org.gvsig.fmap.mapcontrol.tools.BehaviorException;

import org.gvsig.fmap.mapcontrol.tools.Events.PointEvent;

import org.gvsig.fmap.mapcontrol.tools.Listeners.PointListener;

import org.gvsig.fmap.mapcontrol.tools.Listeners.ToolListener;

/**

 * <p>Behavior that permits user to select a point with a double click mouse action, on the associated

 *  <code>MapControl</code> using a {@link PointListener PointListener}.</p>

 *

 * @author Vicente Caballero Navarro

 */

public class PointBehavior extends Behavior {

        /**

         * Tool listener used to work with the <<code>MapControl</code> object.

         *

         * @see #getListener()

         * @see #setListener(ToolListener)

         */

        private PointListener listener;

        /**

         * Flag that determines a double click user action.

         */

        private boolean doubleClick=false;

        /**

          * <p>Creates a new behavior for selecting a point.</p>

          *

         * @param l listener used to permit this object to work with the associated <code>MapControl</code>

         */

        public PointBehavior(PointListener l, int mouseButton) {

            super(mouseButton);

            listener = l;

        }

        public PointBehavior(PointListener l) {

            this(l,LEFT);

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mousePressed(java.awt.event.MouseEvent)

         */

        public void mousePressed(MouseEvent e) {

                if( !isMyButton(e) ) {

                    return;

                }

                if (listener.cancelDrawing()) {

                        getMapControl().cancelDrawing();

                }

                if (e.getClickCount()==2){

                        doubleClick=true;

                }

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseReleased(java.awt.event.MouseEvent)

         */

        public void mouseReleased(MouseEvent e) throws BehaviorException {

                if( !isMyButton(e) ) {

                    return;

                }

                PointEvent event = new PointEvent(e.getPoint(), e, this.getMapControl());

                listener.point(event);

                if (doubleClick){

                        listener.pointDoubleClick(event);

                        doubleClick=false;

                }

        }

        /**

         * <p>Sets a tool listener to work with the <code>MapControl</code> using this behavior.</p>

         *

         * @param listener a <code>PointListener</code> object for this behavior

         */

        public void setListener(ToolListener listener) {

                this.listener = (PointListener) listener;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#getListener()

         */

        public ToolListener getListener() {

                return listener;

        }

}