| gvSIG desktop 1

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

 *

 * Copyright (C) 2007 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.raster.grid.filter.bands;

import java.util.ArrayList;

import org.gvsig.raster.RasterLibrary;

import org.gvsig.raster.dataset.Params;

import org.gvsig.raster.grid.filter.FilterTypeException;

import org.gvsig.raster.grid.filter.IRasterFilterListManager;

import org.gvsig.raster.grid.filter.RasterFilter;

import org.gvsig.raster.grid.filter.RasterFilterList;

import org.gvsig.raster.grid.filter.RasterFilterListManager;

import org.gvsig.raster.util.extensionPoints.ExtensionPoints;

import org.gvsig.raster.util.extensionPoints.ExtensionPointsSingleton;

/**

 * Gestor del filtro de valores NoData sobre un raster.

 *

 * @version 04/12/2007

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class NoDataListManager  implements IRasterFilterListManager {

        protected RasterFilterList        filterList = null;

        private RasterFilterListManager        filterListManager = null;

        public static void register() {

                ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

                extensionPoints.add("RasterFilter", "NoDataManager", NoDataListManager.class);

        }

        /**

         * Constructor.

         * Asigna la lista de filtros y el managener global.

         *

         * @param filterListManager

         */

        public NoDataListManager(RasterFilterListManager filterListManager) {

                this.filterListManager = filterListManager;

                this.filterList = filterListManager.getFilterList();

        }

        /**

         * A?ade un filtro de NoData a la pila de filtros.

         * @param ladoVentana

         * @throws FilterTypeException 

         */

        public void addNoDataFilter(Double noDataValue) throws FilterTypeException {

                RasterFilter filter = new NoDataByteFilter();

                //Cuando el filtro esta creado, tomamos los valores y lo a?adimos a la pila

                if (filter != null) {

                        filter.addParam("noDataValue", noDataValue);

                        filter.addParam("Transparency", filterListManager.getFilterList().getEnvParam("Transparency"));

                        filterList.add(filter);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.IRasterFilterListManager#getRasterFilterList()

         */

        public ArrayList getRasterFilterList() {

                ArrayList filters = new ArrayList();

                filters.add(NoDataFilter.class);

                return filters;

        }

        public void addFilter(Class classFilter, Params params) throws FilterTypeException {

                if (classFilter.equals(NoDataFilter.class)) {

                        Double noDataValue = Double.valueOf(RasterLibrary.noDataValue);

                        for (int i = 0; i < params.getNumParams(); i++) {

                                if (params.getParam(i).id.equals("noDataValue"))

                                        noDataValue = Double.valueOf(((Integer) params.getParam(i).defaultValue).doubleValue());

                        }

                        addNoDataFilter(noDataValue);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.IRasterFilterListManager#createFilterListFromStrings(java.util.ArrayList, java.lang.String, int)

         */

        public int createFilterListFromStrings(ArrayList filters, String fil, int filteri) {

/*

                String pkgBase = "filter.colortable.";

                if (fil.startsWith(pkgBase + "active")) {

                        boolean exec = true;

                        if ((RasterFilterListManager.getValue(fil).equals("false")))

                                exec = false;

                        filters.remove(0);

                        ColorTable colorTable = createColorTableFromArray(filters);

                        filterList.remove(NoDataFilter.class);

                        addColorTableFilter(new GridPalette(colorTable));

                        NoDataFilter ct = (NoDataFilter) filterList.getFilterByBaseClass(NoDataFilter.class);

                        ct.setExec(exec);

                }

*/

                return filteri;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.IRasterFilterListManager#getStringsFromFilterList(java.util.ArrayList, org.gvsig.raster.grid.filter.RasterFilter)

         */

        public ArrayList getStringsFromFilterList(ArrayList filterList, RasterFilter rf) {

/*

                if (rf instanceof NoDataFilter) {

                        String pkgBase = "filter.colortable.";

                        NoDataFilter colorTableFilter = (NoDataFilter) rf;

                        ColorTable colorTable = (ColorTable) colorTableFilter.getParam("colorTable");

                        if (colorTable != null) {

                                if (colorTableFilter.isExec())

                                        filterList.add(pkgBase + "active=true");

                                else

                                        filterList.add(pkgBase + "active=false");

                                filterList.add(pkgBase + "name=" + colorTable.getName());

                                filterList.add(pkgBase + "interpolated=" + colorTable.isInterpolated());

                                for (int i = 0; i < colorTable.getColorItems().size(); i++) {

                                        ColorItem colorItem = (ColorItem) colorTable.getColorItems().get(i);

                                        filterList.add(pkgBase + "color" + i + ".value=" + colorItem.getValue());

                                        filterList.add(pkgBase + "color" + i + ".name=" + colorItem.getNameClass());

                                        Color c = colorItem.getColor();

                                        filterList.add(pkgBase + "color" + i + ".rgb=" + c.getRed() + "," + c.getGreen() + "," + c.getBlue());

                                        filterList.add(pkgBase + "color" + i + ".interpolated=" + colorItem.getInterpolated());

                                }

                                for (int i = 0; i < colorTable.getColorItems().size(); i++) {

                                        ColorItem colorItem = (ColorItem) colorTable.getColorItems().get(i);

                                        filterList.add(pkgBase + "alpha" + i + ".value=" + colorItem.getValue());

                                        Color c = colorItem.getColor();

                                        filterList.add(pkgBase + "alpha" + i + ".a=" + c.getAlpha());

                                        filterList.add(pkgBase + "alpha" + i + ".interpolated=" + colorItem.getInterpolated());

                                }

                        }

                }

*/

                return filterList;

        }

}