| gvSIG desktop 1

/* 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;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

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.layers.FLyrRaster;

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

import com.iver.cit.gvsig.gui.View;

import com.iver.cit.gvsig.project.ProjectView;

/**

 * Extensi?n para raster.

 * El control es visible si al menos una de las capas cargadas es raster.

 *

 * @author Nacho Brodin (brodin_ign@gva.es)

 */

public class RasterExtension implements Extension{

        private SelectableDataSource dataSource = null;

        /* (non-Javadoc)

         * @see com.iver.andami.plugins.Extension#inicializar()

         */

        public void inicializar() {

        }

        /* (non-Javadoc)

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

         */

        public void execute(String actionCommand) {

                View vista = (View) PluginServices.getMDIManager().getActiveView();

                MapControl mapCtrl = vista.getMapControl().getMapControl();

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

                        mapCtrl.setTool("selectImage");

                }

        }

        /* (non-Javadoc)

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

         */

        public boolean isEnabled() {

                return true;

        }

        /* (non-Javadoc)

         * @see com.iver.andami.plugins.Extension#isVisible()

         */

        public boolean isVisible() {

                com.iver.andami.ui.mdiManager.View vista = (com.iver.andami.ui.mdiManager.View) PluginServices.getMDIManager().getActiveView();

                if (vista == null) 

                        return false;

                if (vista instanceof com.iver.cit.gvsig.gui.View) {

                                com.iver.cit.gvsig.gui.View view = (com.iver.cit.gvsig.gui.View) vista;

                                ProjectView model = view.getModel();

                                FLayer[] seleccionadas = model.getMapContext().getLayers().getActives();

                                FLayers lyrs = model.getMapContext().getLayers();

                                //Se visualiza el control si al menos una de las capas cargadas es raster

                                for(int i=0;i<lyrs.getLayersCount();i++){

                                        if(lyrs.getLayer(i) instanceof FLyrRaster)

                                                return true;

                                }                                

                }

                return false;

        }

}