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.tools.app.basic.tool.geolocation.behavior;

import java.awt.Image;

import java.awt.event.MouseEvent;

import java.awt.event.MouseWheelEvent;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.app.project.documents.view.gui.IView;

import org.gvsig.fmap.mapcontext.layers.FLayers;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.MapControlDrawer;

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

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

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

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

import org.gvsig.raster.fmap.layers.FLyrRaster;

/**

 * Behavior que espera un listener de tipo GeoMoveListener.

 * Nacho Brodin (nachobrodin@gmail.com)

 *

 */

public class GeoRasterBehavior extends Behavior {

        private Image                                  curImage = null;

        private Image                           notValid = IconThemeHelper.getImage("not-valid-cursor");

        private IView                           theView = null;

        private TransformationBehavior[]                behavior = new TransformationBehavior[4];

        private FLyrRaster                      lyr = null;

        /**

         * Crea un nuevo GeoRasterBehavior.

         *

         * @param zili listener.

         * @param windowIO

         */

        public GeoRasterBehavior(PanListener zili, ITransformIO windowIO) {

                curImage = zili.getImageCursor();

                behavior[0] = new TranslateBehavior(this, curImage, windowIO);

                behavior[1] = new ScaleBehavior(this, curImage, windowIO);

                behavior[2] = new RotationBehavior(this, curImage, windowIO);

                behavior[3] = new ShearBehavior(this, curImage, windowIO);

        }

        /**

         * Crea un nuevo RectangleBehavior.

         *

         * @param zili listener.

         */

        public GeoRasterBehavior(PanListener zili, ITransformIO windowIO, FLyrRaster lyr) {

                this(zili, windowIO);

                this.lyr = lyr;

        }

        /**

         * Asigna la capa raster

         * @param lyr

         */

        public void setLayer(FLyrRaster lyr) {

                this.lyr = lyr;

        }

        /**

         * Asigna el objeto externo para variar la transformaci?n

         * @param gld

         */

        public void setITransformIO(ITransformIO gld) {

                for (int i = 0; i < behavior.length; i++)

                        behavior[i].setITransformIO(gld);

        }

        /**

         * Funci?n que carga la capa si todav?a no lo est?.

         */

        public FLyrRaster getLayer() {

                //Cuando cargamos desde el men? contextual la capa es asignada de forma fija

                if(lyr != null)

                        return lyr;

                //Cuando cargamos desde la barra hay que buscar la capa activa.

                IWindow w = PluginServices.getMDIManager().getActiveWindow();

                if(w instanceof IView) {

                        theView = (IView)w;

                        FLayers lyrs = theView.getMapControl().getMapContext().getLayers();

                        for (int i = 0; i < lyrs.getActives().length; i++)

                                if(lyrs.getActives()[i] instanceof FLyrRaster)

                                        return (FLyrRaster)lyrs.getActives()[i];

                }

                return null;

        }

        /**

         * Coloca el cursor del rat?n con el icono adecuado cuando entra dentro de la

         * imagen.

         */

        public void mouseMoved(MouseEvent e) throws BehaviorException {

                behavior[0].setActiveTool(false);

                behavior[1].setActiveTool(false);

                behavior[2].setActiveTool(false);

                behavior[3].setActiveTool(false);

                if(!behavior[1].mouseMoved(e))

                        if(!behavior[0].mouseMoved(e))

                                if(!behavior[2].mouseMoved(e))

                                        if(!behavior[3].mouseMoved(e));

        }

        /**

         * Si no est? activo el cursor por defecto capturamos el punto

         * seleccionado en coordenadas del mundo real.

         */

        public void mousePressed(MouseEvent e) throws BehaviorException {

                if(behavior[1].isActiveTool())

                        behavior[1].mousePressed(e);

                else if(behavior[0].isActiveTool())

                        behavior[0].mousePressed(e);

                else if(behavior[2].isActiveTool())

                        behavior[2].mousePressed(e);

                else if(behavior[3].isActiveTool())

                        behavior[3].mousePressed(e);

        }

        /**

         *  Cuando soltamos el bot?n del rat?n desplazamos la imagen a la posici?n

         * de destino calculando el extent nuevamente.

         */

        public void mouseReleased(MouseEvent e) throws BehaviorException {

                if(behavior[1].isActiveTool())

                        behavior[1].mouseReleased(e);

                else if(behavior[0].isActiveTool())

                        behavior[0].mouseReleased(e);

                else if(behavior[2].isActiveTool())

                        behavior[2].mouseReleased(e);

                else if(behavior[3].isActiveTool())

                        behavior[3].mouseReleased(e);

        }

        /**

         * Funci?n de pintado del canvas.Pintamos un marco a la imagen para saber

         * donde la movemos.

         */

        public void paintComponent(MapControlDrawer mapControlDrawer) {

                super.paintComponent(mapControlDrawer);

                if(behavior[1].isActiveTool())

                        behavior[1].paintComponent(mapControlDrawer);

                else if(behavior[0].isActiveTool())

                        behavior[0].paintComponent(mapControlDrawer);

                else if(behavior[2].isActiveTool())

                        behavior[2].paintComponent(mapControlDrawer);

                else if(behavior[3].isActiveTool())

                        behavior[3].paintComponent(mapControlDrawer);

        }

        /**

         * Esta funci?n repinta el canvas si se est? arrasrtando la imagen para

         * poder ver el marco de arrastre.

         */

        public void mouseDragged(MouseEvent e) throws BehaviorException {

                if(behavior[1].isActiveTool())

                        behavior[1].mouseDragged(e);

                else if(behavior[0].isActiveTool())

                        behavior[0].mouseDragged(e);

                else if(behavior[2].isActiveTool())

                        behavior[2].mouseDragged(e);

                else if(behavior[3].isActiveTool())

                        behavior[3].mouseDragged(e);

        }

        /* (non-Javadoc)

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

         */

        public ToolListener getListener() {

                return null;

        }

        /* (non-Javadoc)

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

         */

        public MapControl getMapControl() {

                return super.getMapControl();

        }

        /* (non-Javadoc)

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

         */

        public void mouseClicked(MouseEvent e) throws BehaviorException {

                super.mouseClicked(e);

        }

        /* (non-Javadoc)

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

         */

        public void mouseEntered(MouseEvent e) throws BehaviorException {

                super.mouseEntered(e);

        }

        /* (non-Javadoc)

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

         */

        public void mouseExited(MouseEvent e) throws BehaviorException {

                super.mouseExited(e);

        }

        /* (non-Javadoc)

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

         */

        public void mouseWheelMoved(MouseWheelEvent e) throws BehaviorException {

                super.mouseWheelMoved(e);

        }

        /* (non-Javadoc)

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

         */

        public void setMapControl(MapControl mc) {

                super.setMapControl(mc);

        }

        public void setCursorImage(Image cursor) {

                this.curImage = cursor;

        }

        public Image getImageCursor() {

                return this.curImage;

        }

        public void resetDefaultCursor() {

                this.curImage = notValid;

        }

}