| gvSIG desktop 1

/* 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;

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

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

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

import org.gvsig.rastertools.geolocation.listener.GeorefPanListener;

import org.gvsig.rastertools.geolocation.ui.GeoLocationDialog;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

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

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

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.fmap.tools.Behavior.Behavior;

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

import com.iver.cit.gvsig.project.documents.view.IProjectView;

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

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

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

/**

 * Extensi?n con las herramientas del men? que contienen usos especificos para capas 

 * raster. Estas no apareceran si la capa seleccionada del TOC no es raster.

 * 

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

 */

public class RasterBarToolsModule extends Extension{

        private GeoLocationDialog gld = null;

        /*

         * (non-Javadoc)

         * @see com.iver.andami.plugins.IExtension#execute(java.lang.String)

         */

        public void execute(String actionCommand) {

                View theView = (View) PluginServices.getMDIManager().getActiveWindow();

                MapControl mapCtrl = theView.getMapControl();

                // Listener de eventos de movimiento que pone las coordenadas del rat?n en

                // la barra de estado

                StatusBarListener sbl = new StatusBarListener(mapCtrl);

                if (actionCommand.equals("GEO_PAN")) {

                                boolean isOpen = false;

                                //Comprobamos si no hay capas activas. En este caso no lanzamos la ventana ni activamos la tool

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

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

                                        if (win[i] instanceof IView) {

                                                FLayers lyrs = ((IView)win[i]).getMapControl().getMapContext().getLayers();

                                                FLayer[] actives = lyrs.getActives();

                                                if(actives == null || actives.length == 0)

                                                        return;

                                        }

                                        if(win[i] instanceof GeoLocationDialog)

                                                isOpen = true;

                                }

                                if(gld == null)

                                        gld = new GeoLocationDialog();

                                if(!isOpen) {

                                        gld.calcPosition();

                                        PluginServices.getMDIManager().addWindow(gld);

                                }

                                gld.init(mapCtrl);

                        loadGeoPanListener(mapCtrl, sbl, gld);

                        mapCtrl.setTool("geoPan");

                }

        }

        /**

         * Carga el listener de selecci?n de raster en el MapControl.

         */

        private void loadGeoPanListener(MapControl mapCtrl, StatusBarListener sbl, GeoLocationDialog gld) {

                if (mapCtrl.getNamesMapTools().get("geoPan") == null) {

                        GeorefPanListener pl = new GeorefPanListener(mapCtrl);

                        GeoRasterBehavior mb = new GeoRasterBehavior(pl, gld);

                        mapCtrl.addMapTool("geoPan", new Behavior[]{mb, new MouseMovementBehavior(sbl)});

                }

        }

        /*

         * (non-Javadoc)

         * @see com.iver.andami.plugins.IExtension#initialize()

         */

        public void initialize() {

                registerIcons();

        }

        private void registerIcons(){

                PluginServices.getIconTheme().register(

                                "forward-icon",

                                this.getClass().getClassLoader().getResource("images/forward.png")

                );

                PluginServices.getIconTheme().register(

                                "backwardward-icon",

                                this.getClass().getClassLoader().getResource("images/backward.png")

                );

        }

        /*

         * (non-Javadoc)

         * @see com.iver.andami.plugins.IExtension#isEnabled()

         */

        public boolean isEnabled() {

                return true;

        }

        /**

         * Mostramos el control si hay alguna capa cargada.

         */

        public boolean isVisible() {

                com.iver.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager().getActiveWindow();

                if (f == null)

                        return false;

                if (f instanceof View) {

                        View vista = (View) f;

                        IProjectView model = vista.getModel();

                        MapContext mapa = model.getMapContext();

                        if (mapa.getLayers().getLayersCount() > 0) {

                                if( mapa.getLayers().getActives().length == 1 &&

                                        mapa.getLayers().getActives()[0] instanceof FLyrRasterSE &&

                                        ((FLyrRasterSE)mapa.getLayers().getActives()[0]).isActionEnabled(IRasterLayerActions.FLYRASTER_BAR_TOOLS))

                                return true;

                        }

                }

                return false;

        }

}