Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* 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 2

* 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.

* 

*/

package org.gvsig.raster.fmap.layers;

import java.awt.Image;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.Geometry.SUBTYPES;

import org.gvsig.fmap.geom.exception.CreateEnvelopeException;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.fmap.mapcontext.ViewPort;

import org.gvsig.fmap.mapcontrol.MapControl;

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

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

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Implementaci?n de la interfaz PanListener como herramienta para realizar el

 * Pan.

 *

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class GeorefPanListenerImpl implements PanListener {

        private static final GeometryManager         geomManager        = GeometryLocator.getGeometryManager();

        private static final Logger                         logger                 = LoggerFactory.getLogger(GeorefPanListenerImpl.class);

//        private final Image ipan = new ImageIcon(MapControl.class.getResource(

//                                "images/CruxCursor.png")).getImage();

//        private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(ipan,

//                        new Point(16, 16), "");

        private MapControl                                                 mapControl;

        private DefaultFLyrRaster                                         lyrRaster         = null;

        private String                                                        pathToFile         = null;

        /**

         * Crea un nuevo RectangleListenerImpl.

         *

         * @param mapControl MapControl.

         */

        public GeorefPanListenerImpl(MapControl mapControl) {

                this.mapControl = mapControl;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.PanListener#move(java.awt.geom.Point2D,

         *                 java.awt.geom.Point2D)

         */

        @SuppressWarnings("deprecation")

        public void move(MoveEvent event) {

                ViewPort vp = mapControl.getMapContext().getViewPort();

                Point2D from = vp.toMapPoint(event.getFrom());

                Point2D to = vp.toMapPoint(event.getTo());

                Rectangle2D.Double r = new Rectangle2D.Double();

                Rectangle2D extent = vp.getExtent();

                r.x = extent.getX() - (to.getX() - from.getX());

                r.y = extent.getY() - (to.getY() - from.getY());

                r.width = extent.getWidth();

                r.height = extent.getHeight();

                Envelope env;

                try {

                        env = geomManager.createEnvelope(r.getMinX(), r.getMinY(), r

                                        .getMaxX(), r.getMaxY(), SUBTYPES.GEOM2D);

                        vp.setEnvelope(env);

                } catch (CreateEnvelopeException e) {

                        logger.error("Error creating the envelope", e);

                }

                // mapControl.drawMap();

        }

        /**

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()

         */

        public boolean cancelDrawing() {

                return true;

        }

        /**

         * @return Returns the lyrRaster.

         */

        public DefaultFLyrRaster getLyrRaster() {

                return lyrRaster;

        }

        /**

         * @param lyrRaster The lyrRaster to set.

         */

        public void setLyrRaster(DefaultFLyrRaster lyrRaster) {

                this.lyrRaster = lyrRaster;

        }

        /**

         * @return Returns the pathToFile.

         */

        public String getPathToFile() {

                return pathToFile;

        }

        /**

         * @param pathToFile The pathToFile to set.

         */

        public void setPathToFile(String pathToFile) {

                this.pathToFile = pathToFile;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.tools.Listeners.ToolListener#getImageCursor()

         */

        public Image getImageCursor() {

                return null;

        }

}