Application: gvSIG desktop

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

 *

 * Copyright (C) 2007 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.

 */

package org.gvsig.rastertools.geolocation.ui;

import java.awt.BorderLayout;

import java.awt.geom.AffineTransform;

import java.io.IOException;

import javax.swing.JPanel;

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

import org.gvsig.raster.util.RasterToolsUtil;

import org.gvsig.rastertools.geolocation.behavior.ITransformIO;

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.andami.ui.mdiManager.IWindowListener;

import com.iver.andami.ui.mdiManager.WindowInfo;

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

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

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

import com.iver.cit.gvsig.project.documents.view.gui.IView;

/**

 * Dialogo de geolocalizaci?n de raster.

 * 

 * @version 30/07/2007

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

 *

 */

public class GeoLocationDialog extends JPanel implements IWindow, IWindowListener, ITransformIO {

        private static final long serialVersionUID = 7362459094802955247L;

        private GeoLocationPanel  geolocationPanel = null;

        /**

   * Posici?n de la ventana en X y en Y

   */

        private int               posWindowX       = 0;

        private int               posWindowY       = 0;

        private int               widthWindow      = 260;

        private int               heightWindow     = 140;

        private String            lastTool         = null;

        //private FLyrRasterSE      lyr              = null;

        /**

         * Constructor

         */

        public GeoLocationDialog() {

                BorderLayout bl = new BorderLayout(5, 5);

                this.setLayout(bl);

                this.add(getGeoLocationPanel());

        }

        /**

         * Constructor. Asigna la capa raster.

         *

         */

        public GeoLocationDialog(FLyrRasterSE lyr) {

                BorderLayout bl = new BorderLayout(5, 5);

                this.setLayout(bl);

                this.add(getGeoLocationPanel());

                getGeoLocationPanel().setLayer(lyr);

        }

        /**

         * Calculo de la posici?n de la ventana

         */

        public void calcPosition() {

                IWindow[] list = PluginServices.getMDIManager().getAllWindows();

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

                        if(list[i] instanceof IView) {

                                WindowInfo wInfo = PluginServices.getMDIManager().getWindowInfo(list[i]);

                                posWindowX = wInfo.getX() + (wInfo.getWidth() / 2) - (widthWindow / 2);

                                posWindowY = wInfo.getY() + (wInfo.getHeight() / 2) - (heightWindow / 2);

                        }        

                }

        }

        /**

         * Referencia la capa que est? seleccionada

         *

         */

        private void loadLayer() {

                if(getGeoLocationPanel().getLayer() != null)

                        return;

                //Este c?digo es para poder lanzar la funcionalidad desde la barra de herramientas y no desde el TOC

                FLayers flyrs = getGeoLocationPanel().getMapCtrl().getMapContext().getLayers();

                FLayer[] actives = flyrs.getActives();

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

                        if(actives[i] instanceof FLyrRasterSE) {

                                getGeoLocationPanel().setLayer(((FLyrRasterSE)actives[i]));

                                break;

                        }

                }

        }

        /**

         * Acciones de inicializaci?n

         *

         */

        public void init(MapControl mapCtrl) {

                geolocationPanel.setMapCtrl(mapCtrl);

                lastTool = mapCtrl.getCurrentTool();

                loadLayer();

                FLyrRasterSE lyr = getGeoLocationPanel().getLayer();

                if(lyr != null) {

                        lyr.getAffineTransformHistorical().clear();

                        lyr.getAffineTransformHistorical().add(lyr.getAffineTransform());

                        loadTransform(lyr.getAffineTransform());

                }

                activeButtons();

        }

        /**

         * Carga los par?metros en el dialogo a partir de la capa

         * @param lyr Capa raster

         */

        public void loadTransform(AffineTransform at) {

                geolocationPanel.loadTransform(at);

        }

        /**

         * Activa o desactiva los botones de transformaci?n anterior y siguiente dependiendo

         * del estado de la lista de transformaciones.

         * @return

         */

        public void applyTransformation() {

                geolocationPanel.setModify(true);

                geolocationPanel.activeButtons();        

        }

        /**

         * Obtiene el panel con el histograma

         * @return HistogramPanel

         */

        public GeoLocationPanel getGeoLocationPanel(){

                if (geolocationPanel == null) 

                        geolocationPanel = new GeoLocationPanel();

                return geolocationPanel;

        }

        /**

         * Activa o desactiva los botones de transformaci?n anterior y siguiente dependiendo

         * del estado de la lista de transformaciones.

         * @return

         */

        public void activeButtons() {

                getGeoLocationPanel().activeButtons();

        }

        /*

         * (non-Javadoc)

         * @see com.iver.andami.ui.mdiManager.IWindow#getWindowInfo()

         */

        public WindowInfo getWindowInfo() {

                WindowInfo m_viewinfo=new WindowInfo(WindowInfo.MODELESSDIALOG | WindowInfo.RESIZABLE);

                m_viewinfo.setHeight(heightWindow);

                m_viewinfo.setWidth(widthWindow);

                m_viewinfo.setX(posWindowX);

                m_viewinfo.setY(posWindowY);

                return m_viewinfo;

        }

        /**

         * Asigna el ?ltimo tool seleccionado antes de abrir el di?logo para 

         * restaurarlo cuando se cierre este.

         * @param tool

         */

        public void setLastTool(String tool) {

                this.lastTool = tool;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.andami.ui.mdiManager.IWindowListener#windowActivated()

         */

        public void windowActivated() {

        }

        /*

         * (non-Javadoc)

         * @see com.iver.andami.ui.mdiManager.IWindowListener#windowClosed()

         */

        public void windowClosed() {

                //Se consulta si se desean salvar los cambios

                if(geolocationPanel.getModify()) {

                        if(RasterToolsUtil.messageBoxYesOrNot(PluginServices.getText(this,"aviso_salir_salvando"), geolocationPanel)) {

                                try {

                                        geolocationPanel.getLayer().saveGeoToRmf();

                                } catch (IOException e1) {

                                        RasterToolsUtil.messageBoxError(PluginServices.getText(this,"error_salvando_rmf"), geolocationPanel);

                                }

                        }

                        geolocationPanel.setModify(false);

                }

                //Restauramos la tool que hab?a antes de de activar la actual

                if(lastTool != null)

                        getGeoLocationPanel().getMapCtrl().setTool(lastTool);

                //TODO: Si queremos usar la funcionalidad de geolocalizaci?n desde la barra de herramientas deberemos 

                //, al cerrar la ventana, asignar la capa raster de GeoRasterBehevior a null ya que sino se aplicar?n las

                //transformaciones sobre la ?ltima capa que se abri? desde el men? del TOC

        }

}