Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.examples.example1.infotool.tool;

import java.awt.Cursor;

import java.awt.Image;

import java.awt.Point;

import java.awt.Toolkit;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import javax.swing.ImageIcon;

import org.gvsig.examples.example1.centerViewToPoint.CenterViewToPointExtension;

import org.gvsig.examples.example1.infotool.tool.gui.InfoWindowExample;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.ShapeFactory;

import com.iver.cit.gvsig.fmap.core.v02.FConstant;

import com.iver.cit.gvsig.fmap.core.v02.FSymbol;

import com.iver.cit.gvsig.fmap.layers.FLayer;

import com.iver.cit.gvsig.fmap.layers.FLayerGenericVectorial;

import com.iver.cit.gvsig.fmap.layers.GraphicLayer;

import com.iver.cit.gvsig.fmap.rendering.FGraphic;

import com.iver.cit.gvsig.fmap.tools.BehaviorException;

import com.iver.cit.gvsig.fmap.tools.Events.PointEvent;

import com.iver.cit.gvsig.fmap.tools.Listeners.PointListener;

import com.iver.cit.gvsig.project.documents.view.toolListeners.InfoListener;

/**

 * Implementation of the interface PointListener as tool

 * of information and center the extent to that point.

 *

 * @author Vicente Caballero Navarro

 */

public class InfoToolListenerImpl implements PointListener {

    private final Image icentertopoint = new ImageIcon(MapControl.class.getResource(

                "images/InfoCursor.gif")).getImage();

    private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(icentertopoint,

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

    private MapControl mapControl;

    private InfoListener infoListener;

    /**

     * Create a new InfoToolListenerImpl.

     *

     * @param mapControl MapControl.

     */

    public InfoToolListenerImpl(MapControl mapControl) {

        this.mapControl = mapControl;

        infoListener=new InfoListener(mapControl);

    }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#point(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)

     */

    public void point(PointEvent event) {

             FLayer[] layers=mapControl.getMapContext().getLayers().getActives();

         if (layers[0] instanceof FLayerGenericVectorial){

                     if (layers[0].getProperty("CapaDePruebaCSV")!=null){

                             Point2D centerPoint = mapControl.getViewPort().toMapPoint(event.getPoint());

                     zoomToCoordinates(centerPoint);

                     drawPoint(centerPoint);

                     InfoWindowExample iwe=new InfoWindowExample();

                     PluginServices.getMDIManager().addWindow(iwe);

                     }

              } else {

             try {

                                infoListener.point(event);

                        } catch (BehaviorException e) {

                                e.printStackTrace();

                        }

         }

    }

    private void drawPoint(Point2D center) {

        GraphicLayer lyr = mapControl.getMapContext().getGraphicsLayer();

        lyr.clearAllGraphics();

        FSymbol theSymbol = new FSymbol(FConstant.SYMBOL_TYPE_POINT,

                CenterViewToPointExtension.COLOR);

        int idSymbol = lyr.addSymbol(theSymbol);

        IGeometry geom = ShapeFactory.createPoint2D(center.getX(), center.getY());

        FGraphic theGraphic = new FGraphic(geom, idSymbol);

        lyr.addGraphic(theGraphic);

        mapControl.drawGraphics();

        mapControl.drawMap(false);

    }

    private void zoomToCoordinates(Point2D center) {

        Rectangle2D oldExtent = mapControl.getViewPort().getAdjustedExtent();

        double oldCenterX = oldExtent.getCenterX();

        double oldCenterY = oldExtent.getCenterY();

        double movX = center.getX() - oldCenterX;

        double movY = center.getY() - oldCenterY;

        double upperLeftCornerX = oldExtent.getMinX() + movX;

        double upperLeftCornerY = oldExtent.getMinY() + movY;

        double width = oldExtent.getWidth();

        double height = oldExtent.getHeight();

        Rectangle2D extent = new Rectangle2D.Double(upperLeftCornerX,

                upperLeftCornerY, width, height);

        mapControl.getViewPort().setExtent(extent);

        mapControl.getMapContext().clearAllCachingImageDrawnLayers();

    }

    /* (non-Javadoc)

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

     */

    public Cursor getCursor() {

        return cur;

    }

    /* (non-Javadoc)

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

     */

    public boolean cancelDrawing() {

        return true;

    }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#pointDoubleClick(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)

     */

    public void pointDoubleClick(PointEvent event) {

    }

}