Application: gvSIG desktop

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

 *

 * Copyright (C) 2006 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.enhanced;

import javax.swing.Icon;

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

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

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

import org.gvsig.raster.IProcessActions;

import org.gvsig.raster.RasterProcess;

import org.gvsig.raster.datastruct.Histogram;

import org.gvsig.raster.gui.IGenericToolBarMenuItem;

import org.gvsig.raster.util.RasterToolsUtil;

import org.gvsig.rastertools.enhanced.ui.EnhancedDialog;

import org.gvsig.rastertools.histogram.HistogramProcess;

import org.gvsig.rastertools.statistics.StatisticsProcess;

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

import com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction;

import com.iver.cit.gvsig.project.documents.view.toc.ITocItem;

/**

 * Punto de entrada para la funcionalidad de realce por expansi?n del contraste

 * 19/02/2008

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public class EnhancedTocMenuEntry extends AbstractTocContextMenuAction implements IGenericToolBarMenuItem, IProcessActions {

        static private EnhancedTocMenuEntry   singleton   = null;

        private FLyrRasterSE                  lyr         = null;

        /**

         * Nadie puede crear una instancia a esta clase ?nica, hay que usar el

         * getSingleton()

         */

        private EnhancedTocMenuEntry() {}

        /**

         * Devuelve un objeto unico a dicha clase

         * @return

         */

        static public EnhancedTocMenuEntry getSingleton() {

                if (singleton == null)

                        singleton = new EnhancedTocMenuEntry();

                return singleton;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.contextMenu.AbstractContextMenuAction#getGroup()

         */

        public String getGroup() {

                return "RasterProcess";

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.contextMenu.AbstractContextMenuAction#getGroupOrder()

         */

        public int getGroupOrder() {

                return 55;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.contextMenu.AbstractContextMenuAction#getOrder()

         */

        public int getOrder() {

                return 0;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.IContextMenuAction#getText()

         */

        public String getText() {

                return RasterToolsUtil.getText(this, "enhanced_rad");

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction#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 com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction#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 ((FLyrRasterSE) selectedItems[0]).isActionEnabled(IRasterLayerActions.ENHANCED);

        }

        /*

         * (non-Javadoc)

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

         */

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

                if ((selectedItems == null) || (selectedItems.length != 1) || (!(selectedItems[0] instanceof FLyrRasterSE)))

                        return;

                this.lyr = (FLyrRasterSE)selectedItems[0];

                if(!lyr.getDataSource().getStatistics().isCalculated()) {

                        RasterProcess process = new StatisticsProcess();

                        process.addParam("layer", lyr);

                        process.addParam("force", new Boolean(false));

                        process.setActions(this);

                        process.start();

                } else

                        end(null);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.rastertools.generictoolbar.IGenericToolBarMenuItem#getIcon()

         */

        public Icon getIcon() {

                return RasterToolsUtil.getIcon("brush-icon");

        }

        /**

         * Lanzamos la ventana al final del proceso de calculo de estad?sticas.

         */

        public void end(Object param) {

                if(param == null || param instanceof FLyrRasterSE) {

                        RasterProcess histogramProcess = new HistogramProcess();

                        histogramProcess.setActions(this);

                        histogramProcess.addParam("histogramable", this.lyr.getDataSource());

                        histogramProcess.start();

                } 

                if(param instanceof Histogram) {

                        EnhancedDialog enhancedDialog = new EnhancedDialog(lyr, 760, 421);

                        RasterToolsUtil.addWindow(enhancedDialog);

                }

        }

        public void interrupted() {

        }

}