| gvSIG desktop 1

package org.gvsig.gvsig3dgui.behavior;

import java.awt.Graphics;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.event.MouseEvent;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import org.apache.log4j.Logger;

import org.gvsig.gvsig3d.map3d.GraphicLayer3D;

import org.gvsig.gvsig3d.map3d.MapContext3D;

import org.gvsig.osgvp.core.osg.Vec3;

import org.gvsig.osgvp.exceptions.OSGVPException;

import org.gvsig.osgvp.exceptions.node.NodeException;

import org.gvsig.osgvp.features.SelectionRectangle;

import org.gvsig.osgvp.features.Polygon.PolygonType;

import org.gvsig.osgvp.planets.PlanetViewer;

import org.gvsig.osgvp.viewer.Intersections;

import com.iver.andami.messages.NotificationManager;

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

import com.iver.cit.gvsig.fmap.tools.Behavior.RectangleBehavior;

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

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

public class RectangleBehavior3D extends RectangleBehavior {

        private Point2D m_FirstPoint;

        private Point2D m_LastPoint;

        private RectangleListener listener;

        private SelectionRectangle rectangle;

        private int height;

        private int width;

        private static Logger logger = Logger.getLogger(GraphicLayer3D.class

                        .getName());

        public RectangleBehavior3D(RectangleListener zili) {

                super(zili);

                // TODO Auto-generated constructor stub

                listener = zili;

                try {

                        rectangle = new SelectionRectangle();

                } catch (OSGVPException e) {

                        logger.error("Command: "

                                        + "Error creating new selection rectangle.", e);

                }

        }

        @Override

        public void mouseDragged(MouseEvent e) {

                // TODO Auto-generated method stub

                // super.mouseDragged(e);

                // Painting

                rectangle.setMouseCoords((int) e.getPoint().getX(), height

                                - (int) e.getPoint().getY());

                try {

                        rectangle.update();

                } catch (OSGVPException e1) {

                        logger.error("Command: " + "Error updating rectangle selection.",

                                        e1);

                }

                rectangle.setType(PolygonType.FILLED_POLYGON);

        }

        @Override

        public void mousePressed(MouseEvent e) {

                // TODO Auto-generated method stub

                MapContext3D mcontext = (MapContext3D) getMapControl().getMapContext();

                try {

                        ((PlanetViewer) mcontext.getCanvas3d().getOSGViewer())

                                        .addNodeToHUD(rectangle);

                } catch (NodeException e1) {

                        logger.error("Command: "

                                        + "Error adding the rectangle selecton to the hud node.",

                                        e1);

                }

                height = mcontext.getCanvas3d().getHeight();

                width = mcontext.getCanvas3d().getWidth();

                if (e.getButton() == MouseEvent.BUTTON1) {

                        m_FirstPoint = e.getPoint();

                        // Put here the code to star drawing the rectangle

                        rectangle.setFirstPoint((int) m_FirstPoint.getX(), height

                                        - (int) m_FirstPoint.getY());

                        rectangle.setMouseCoords((int) m_FirstPoint.getX(), height

                                        - (int) m_FirstPoint.getY());

                        try {

                                rectangle.update();

                        } catch (OSGVPException e1) {

                                logger.error("Command: "

                                                + "Error updating rectangle selection.", e1);

                        }

                        rectangle.setType(PolygonType.EMPTY_POLYGON);

                }

        }

        @Override

        public void mouseReleased(MouseEvent e) throws BehaviorException {

                if (m_FirstPoint == null)

                        return;

                Point2D p1 = new Point2D.Double();

                Point2D p2 = new Point2D.Double();

                Point pScreen = e.getPoint();

                // ViewPort vp = getMapControl().getMapContext().getViewPort();

                // p1 = vp.toMapPoint(m_FirstPoint);

                // p2 = vp.toMapPoint(pScreen);

                Vec3 p1Vec = coordinatesIntersection(m_FirstPoint);

                p1.setLocation(p1Vec.x(), p1Vec.y());

                Vec3 p2Vec = coordinatesIntersection(pScreen);

                p2.setLocation(p2Vec.x(), p2Vec.y());

                if (e.getButton() == MouseEvent.BUTTON1) {

                        // Fijamos el nuevo extent

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

                        r.setFrameFromDiagonal(p1, p2);

                        Rectangle2D rectPixel = new Rectangle();

                        rectPixel.setFrameFromDiagonal(m_FirstPoint, pScreen);

                        RectangleEvent event = new RectangleEvent(r, e, rectPixel);

                        listener.rectangle(event);

                }

                // Deleted rectangle

                rectangle.setMouseCoords((int) m_FirstPoint.getX(), height

                                - (int) m_FirstPoint.getY());

                try {

                        rectangle.update();

                } catch (OSGVPException e1) {

                        logger.error("Command: " + "Error updating rectangle selection.",

                                        e1);

                }

                rectangle.setType(PolygonType.EMPTY_POLYGON);

                m_FirstPoint = null;

                m_LastPoint = null;

        }

        @Override

        public void paintComponent(Graphics g) {

                // TODO Auto-generated method stub

                // super.paintComponent(g);

                MapContext3D mcontext = (MapContext3D) getMapControl().getMapContext();

                mcontext.getCanvas3d().repaint();

        }

        public Vec3 coordinatesIntersection(Point2D pScreen) {

                Vec3 intersection;

                // System.err.println("Coordenadas de pantalla " + pScreen.getX() + ","+

                // pScreen.getY());

                MapContext3D mcontext = (MapContext3D) getMapControl().getMapContext();

                Intersections hits = mcontext.getCanvas3d().getOSGViewer().rayPick(

                                (int) pScreen.getX(), (int) pScreen.getY());

                Point2D pWorld = new Point2D.Double();

                if (hits.containsIntersections()) {

                        // get XYZ coordinates on planet

                        Vec3 hit = hits.getFirstIntersection().getIntersectionPoint();

                        // convert to geo coordinates

                        // System.err.println("Interseccion de osg " + hit.x() + ","+

                        // hit.y());

                        if (mcontext.getProjection().getAbrev().compareToIgnoreCase(

                                        "EPSG:4326") == 0) {

                                Vec3 geoPt = mcontext.getPlanet()

                                                .convertXYZToLatLongHeight(hit);

                                // Swap the coordinates X and Y, because they are invert.

                                intersection = new Vec3(geoPt.y(), geoPt.x(), geoPt.z());

                        } else {

                                intersection = hit;

                        }

                } else {

                        if (mcontext.getProjection().getAbrev().compareToIgnoreCase(

                                        "EPSG:4326") == 0) {

                                pWorld.setLocation(360, 120);

                                intersection = new Vec3(360, 120, 0);

                        } else {

                                intersection = new Vec3(1e100, 1e100, 0);

                                // pWorld.setLocation(1e100, 1e100);

                        }

                }

                NotificationManager.addInfo("Obteniendo punto de informacion "

                                + intersection.x() + "    ,   " + intersection.y() + "  ,  "

                                + intersection.z());

                return intersection;

        }

}