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.reproject.app;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

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

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

import org.gvsig.app.project.documents.view.toc.AbstractTocContextMenuAction;

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

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

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

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

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionBuilder;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

/**

 * Extension for adding grid netcdf support to gvSIG.

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

 */

public class ReprojectExtension extends Extension {

        private ExtensionPoint      genericToolBarMenuExtensionPoint  = null;

        private static String       action                            = "Reproject";

        public void initialize() {

                IconThemeHelper.registerIcon("action", "tools-raster-reproject", this);

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                ExtensionPoint point = extensionPoints.add("GenericToolBarMenu");

                point.append(action, "", ReprojectTocMenuEntry.getSingleton());

        }

        public void execute(String actionCommand) {

                //Las entradas en GenericToolBarModule est?n registradas con la misma etiqueta que la del actionCommand

                //De esta forma pueden recuperarse los TocMenuEntry del punto de extensi?n y ejecutar la acci?n a

                //trav?s de este.

                ExtensionBuilder ext = getGenericToolBarMenuExtensionPoint().get(actionCommand).getBuilder();

                if(ext != null && ext instanceof AbstractTocContextMenuAction) {

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

                        if(w instanceof AbstractViewPanel) {

                                FLayers lyrs = ((AbstractViewPanel)w).getMapControl().getMapContext().getLayers();

                                FLayer[] actives = lyrs.getActives();

                                ((AbstractTocContextMenuAction)ext).execute(null, actives);

                        }

                }

        }

        public boolean isEnabled() {

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

                if(w instanceof AbstractViewPanel) {

                        FLayers lyrs = ((AbstractViewPanel)w).getMapControl().getMapContext().getLayers();

                        FLayer[] actives = lyrs.getActives();

                        if(actives != null && actives.length > 0) {

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

                                        if(actives[i] instanceof FLyrRaster && ((ILayerState)actives[i]).isOpen()) {

                                                return true;

                                        }

                                }

                        }

                }

                return false;

        }

        public boolean isVisible() {

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

                if(w instanceof AbstractViewPanel) {

                        FLayers lyrs = ((AbstractViewPanel)w).getMapControl().getMapContext().getLayers();

                        FLayer[] actives = lyrs.getActives();

                        if(actives != null && actives.length > 0) {

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

                                        if(actives[i] instanceof FLyrRaster && 

                                                ((IRasterLayerActions)actives[i]).isActionEnabled(IRasterLayerActions.REPROJECT)) {

                                                return true;

                                        }

                                }

                        }

                }

                return false;

        }

        public ExtensionPoint getGenericToolBarMenuExtensionPoint() {

                if(genericToolBarMenuExtensionPoint == null) {

                        ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                        genericToolBarMenuExtensionPoint = extensionPoints.get("GenericToolBarMenu");

                }

                return genericToolBarMenuExtensionPoint;

        }

}