| gvSIG desktop 1

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

 *

 * Copyright (C) 2006 Instituto de Desarrollo Regional 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 Ibez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)

 *   Campus Universitario s/n

 *   02071 Alabacete

 *   Spain

 *

 *   +34 967 599 200

 */

package org.gvsig.remotesensing;

import javax.swing.Icon;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.project.documents.view.ViewDocument;

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

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

import org.gvsig.fmap.mapcontext.MapContext;

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

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

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

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

import org.gvsig.raster.gui.IGenericToolBarMenuItem;

import org.gvsig.remotesensing.tasseledcap.TransformationPanel;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

/**

 * Extensi?n para el c?lculo de  transformaciones multiespectrales.

 *

 * @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)

 */

public class MultiespectralTransformationsExtension extends Extension implements IGenericToolBarMenuItem {

        static private MultiespectralTransformationsExtension singleton  = null;

        static public MultiespectralTransformationsExtension getSingleton() {

                if (singleton == null)

                        singleton = new MultiespectralTransformationsExtension();

                return singleton;

        }

        /*

         * (non-Javadoc)

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

         */

        public void initialize() {

                ExtensionPointManager extensionPoints =ToolsLocator.getExtensionPointManager();

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

                point.append("Transformations", "", this.getClass());

        }

        /*

         * (non-Javadoc)

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

         */

        public void execute(String actionCommand) {

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

                        org.gvsig.andami.ui.mdiManager.IWindow activeWindow = PluginServices.getMDIManager().getActiveWindow();

                        // si la ventana activa es de tipo Vista

                        if (activeWindow instanceof DefaultViewPanel) {

                                TransformationPanel pcPanel = new TransformationPanel ((DefaultViewPanel)activeWindow);

                                PluginServices.getMDIManager().addWindow(pcPanel);

                        }

                }

        }

        /*

         * (non-Javadoc)

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

         */

        public boolean isEnabled() {

                org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager().getActiveWindow();

                if (f == null) {

                        return false;

                }

                if (f.getClass() == DefaultViewPanel.class) {

                        DefaultViewPanel vista = (DefaultViewPanel) f;

                        ViewDocument model = vista.getModel();

                        MapContext mapa = model.getMapContext();

                        FLayers layers = mapa.getLayers();

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

                                if (layers.getLayer(i) instanceof FLyrRasterSE)

                                        return true;

                }

                return false;

        }

        /*

         * (non-Javadoc)

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

         */

        public boolean isVisible() {

                org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager().getActiveWindow();

                if (f == null) {

                        return false;

                }

                if (f instanceof DefaultViewPanel) {

                        DefaultViewPanel vista = (DefaultViewPanel) f;

                        ViewDocument model = vista.getModel();

                        MapContext mapa = model.getMapContext();

                        return mapa.getLayers().getLayersCount() > 0;

                } else {

                        return false;

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#execute(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])

         */

        public void execute(ITocItem item, FLayer[] selectedItems) {

                this.execute("transformations");

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getGroup()

         */

        public String getGroup() {

                return "RasterProcess";

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getIcon()

         */

        public Icon getIcon() {

                return PluginServices.getIconTheme().get("transform-icon");

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getOrder()

         */

        public int getOrder() {

                return 0;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getText()

         */

        public String getText() {

                return PluginServices.getText(this, "transformations");

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#isEnabled(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])

         */

        public boolean isEnabled(ITocItem item, FLayer[] selectedItems) {

                if ((selectedItems == null) || (selectedItems.length != 1))

                        return false;

                if (!(selectedItems[0] instanceof ILayerState))

                        return false;

                if (!((ILayerState) selectedItems[0]).isOpen())

                        return false;

                return true;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#isVisible(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])

         */

        public boolean isVisible(ITocItem item, FLayer[] selectedItems) {

                if ((selectedItems == null) || (selectedItems.length != 1))

                        return false;

                if (!(selectedItems[0] instanceof FLyrRasterSE))

                        return false;

                return true;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getGroupOrder()

         */

        public int getGroupOrder() {

                return 0;

        }

}