Application: gvSIG desktop

/*

 * Created on 21-jun-2004

 *

 * TODO To change the template for this generated file go to

 * Window - Preferences - Java - Code Generation - Code and Comments

 */

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

 *

 * Copyright (C) 2004 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 com.iver.cit.gvsig.gui;

import java.awt.Color;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;

import java.awt.geom.Line2D;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import org.cresques.cts.IProjection;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.gui.toolListeners.MapOverviewChangeZoomListener;

import com.iver.cit.gvsig.gui.toolListeners.MapOverviewListener;

import com.iver.cit.gvsig.gui.toolListeners.MapOverviewPanListener;

/**

 * DOCUMENT ME!

 *

 * @author FJP TODO To change the template for this generated type comment go

 *                    to Window - Preferences - Java - Code Generation - Code and

 *                    Comments

 */

public class MapOverview extends MapControl implements ViewPortListener {

        private MapControl m_MapAssoc;

        boolean first = true;

        private MapOverviewListener movl;

        private MapOverviewPanListener movpl;

        private MapOverviewChangeZoomListener movczl;

        private Rectangle2D extent;

        private BufferedImage image;

        /**

         * Crea un nuevo MapOverview.

         *

         * @param mapAssoc DOCUMENT ME!

         */

        public MapOverview(MapControl mapAssoc) {

                super();

                this.setName("MapOverview");

                // super.vp.setBackColor(new Color(230,230,230));

                m_MapAssoc = mapAssoc;

                // setModel((FMap) m_MapAssoc.getMapContext().clone()); // Lo inicializamos con

                // los mismos temas que tenga el grande.

                movl = new MapOverviewListener(this);

                movpl = new MapOverviewPanListener(this);

                movczl = new MapOverviewChangeZoomListener(this);

                addMapTool(

                                "zoomtopoint",

                                new Behavior[]{

                                                new PointBehavior(movl),

                                                new RectangleBehavior(movczl),

                                                new DraggerBehavior(movczl),

                                                new DraggerBehavior(movpl)

                                }

                );

                setCursor(movl.getCursor());

                setTool("zoomtopoint");

        }

        /**

         * DOCUMENT ME!

         *

         * @return DOCUMENT ME!

         */

        public FMap getAssociatedMapContext() {

                return m_MapAssoc.getMapContext();

        }

        public MapControl getAssociatedMapControl(){

                return m_MapAssoc;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.opensig.gui.IMapExtentListener#extentChanged(java.awt.geom.Rectangle2D)

         */

        public void extentChanged(ExtentEvent evExtent) {

                // Nos llega el nuevo extent del FMap asociado, as? que dibujamos nuestro

                // rect?ngulo para mostrar la zona de dibujo del otro mapa.

                repaint();

        }

        /**

         * Recalcula el extent a aplicar de las capas que estan a?adidas.

         */

        public void refreshExtent() {

                try {

                if (this.getMapContext().getFullExtent()!=null){

                                this.getMapContext().getViewPort().setExtent(this.getMapContext().getFullExtent());

                }else{

                        delModel();

                }

                } catch (DriverException e1) {

                        e1.printStackTrace();

                }

        }

        public void refreshOverView(Rectangle2D r){

                extent=r;

                repaint();

        }

        protected void paintComponent(Graphics g) {

                super.paintComponent(g);

                        if ((m_MapAssoc.getMapContext().getViewPort().getExtent() != null) &&

                                        (getMapContext().getViewPort().getExtent() != null)) {

                                if (first) {

                                        first = false;

                                        repaint();

                                        return;

                                }

                                image = new BufferedImage(this.getWidth(), this.getHeight(),

                                    BufferedImage.TYPE_INT_ARGB);

                                ViewPort vp = getMapContext().getViewPort();

                                Rectangle2D extentView=vp.getAdjustedExtent();

                                ViewPort vpOrig = m_MapAssoc.getMapContext().getViewPort();

                                if (extent==null)

                                        extent=vpOrig.getAdjustedExtent();

                                // Dibujamos el extent del mapa asociado.

                                Graphics2D g2 = (Graphics2D) image.getGraphics();

                                g2.setTransform(vp.getAffineTransform());

                                g2.setColor(Color.red);

                                g2.draw(extent);

                                g2.setColor(new Color(100,100,100,100));

                                g2.fill(extent);

                                // dibujamos las l?neas vertical y horizontal

                                Point2D pRightUp = vp.toMapPoint(getWidth(), 0);

                                Line2D.Double linVert = new Line2D.Double(extent.getCenterX(),

                                                extentView.getMinY(), extent.getCenterX(),

                                                pRightUp.getY());

                                Line2D.Double linHoriz = new Line2D.Double(extentView.getMinX(),

                                                extent.getCenterY(), pRightUp.getX(),

                                                extent.getCenterY());

                                g2.setColor(Color.darkGray);

                                g2.draw(linVert);

                                g2.draw(linHoriz);

                                g.drawImage(image,0,0,this);

                                g2.setTransform(new AffineTransform());

                                extent=null;

                        }

        }

        /**

         * DOCUMENT ME!

         *

         * @param model DOCUMENT ME!

         */

        public void setModel(FMap model) {

                this.setMapContext(model);

                model.setProjection(m_MapAssoc.getMapContext().getProjection());

                m_MapAssoc.getMapContext().getViewPort().addViewPortListener(this);

                getMapContext().getViewPort().addViewPortListener(this);

        }

        private void delModel(){

                this.getMapContext().getViewPort().setExtent(null);

                m_MapAssoc.getMapContext().getViewPort().removeViewPortListener(this);

                getMapContext().getViewPort().removeViewPortListener(this);

        }

        /**

         * @see com.iver.cit.gvsig.fmap.ViewPortListener#backColorChanged(com.iver.cit.gvsig.fmap.ColorEvent)

         */

        public void backColorChanged(ColorEvent e) {

        }

        public void projectionChanged(ProjectionEvent e) {

                super.setProjection(e.getNewProjection());

        }

        public void setProjection(IProjection proj) {

                //No permitimos cambiar la proyeccion

                //ya que debe ser la misma que la del

                //MapControl asociado

                return;

        }

}