Application: gvSIG desktop » gvSIG raster

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2012 gvSIG Association.

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.raster.reproject.app.toolbox;

import org.gvsig.andami.PluginServices;

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

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

import org.gvsig.fmap.mapcontext.MapContext;

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

import org.gvsig.geoprocess.lib.sextante.dataObjects.FLyrRasterIRasterLayer;

import org.gvsig.i18n.Messages;

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

import org.gvsig.raster.swing.RasterSwingLibrary;

import es.unex.sextante.dataObjects.IRasterLayer;

import es.unex.sextante.gui.core.SextanteGUI;

import es.unex.sextante.gui.core.ToolboxAction;

/**

 * Base class for toolBox actions

 * 

 * @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a>

 */

public abstract class AbstractToolboxAction extends ToolboxAction {

        protected FLyrRaster             lyr = null;

        @Override

        public String getGroup() {

                return Messages.getText("group_tools");

        }

        @Override

        public boolean isActive() {

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

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

                        if(windows[i] instanceof AbstractViewPanel) {

                                FLayers lyrs = ((AbstractViewPanel)windows[i]).getMapControl().getMapContext().getLayers();

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

                                        if(lyrs.getLayer(j) instanceof FLyrRaster)

                                                return true;

                                }

                        }

                }

                return false;

        }

        /**

         * Returns true if the plugin which gives the functionality is installed

         * in gvSIG

         * @return

         */

        public abstract boolean isPluginInstalled();

        /**

         * Loads the raster layer for the tool

         * @return

         */

        public boolean loadLayer() {

                if(!isPluginInstalled()) {

                        RasterSwingLibrary.messageBoxError(Messages.getText("plugin_not_installed"), null);

                        return false;

                }

                if(!isActive()) {

                        RasterSwingLibrary.messageBoxError(Messages.getText("layer_not_valid"), null);

                        return false;

                }

                boolean existsRasterButNotActive = false;

                lyr = null;

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

                MapContext mapCtx = null;

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

                        if(windows[i] instanceof AbstractViewPanel) {

                                mapCtx = ((AbstractViewPanel)windows[i]).getMapControl().getMapContext();

                                break;

                        }

                }

                IRasterLayer[] layers = SextanteGUI.getInputFactory().getRasterLayers();

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

                        FLyrRaster l = (FLyrRaster)((FLyrRasterIRasterLayer)layers[i]).getBaseDataObject();

                        existsRasterButNotActive = true;

                        if(l.isActive() && mapCtx == l.getMapContext()) {

                                existsRasterButNotActive = false;

                                lyr = l;

                                break;

                        }

                }

                if(existsRasterButNotActive) {

                        RasterSwingLibrary.messageBoxError(Messages.getText("raster_layer_not_active"), null);

                        return false;

                }

                return true;

        }

}