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.impl.grid.filter.correction;

import java.util.ArrayList;

import java.util.List;

import org.gvsig.fmap.dal.coverage.datastruct.Params;

import org.gvsig.fmap.dal.coverage.exception.FilterTypeException;

import org.gvsig.fmap.dal.coverage.grid.AbstractRasterFilterManager;

import org.gvsig.fmap.dal.coverage.grid.RasterFilter;

import org.gvsig.fmap.dal.coverage.grid.RasterFilterList;

import org.gvsig.raster.impl.grid.filter.RasterFilterListManagerImpl;

import org.gvsig.raster.impl.store.ParamImpl;

/**

 * Gestor de la pila de filtros para el filtro de moda.

 *

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public class ModeManager extends AbstractRasterFilterManager {

        private static String   ID = "Moda";

        /**

         * Default constructor. Sets the filter list.

         * @param filterList

         */

        public ModeManager(RasterFilterList filterList) {

                super(filterList);

        }

        public String getManagerID() {

                return ID;

        }

        public static void register() {

                AbstractRasterFilterManager.register(ID, ModeManager.class);

        }

        /**

         * Constructor. Asigna la lista de filtros y el manager.

         * @param filterListManager

         */

        public ModeManager(RasterFilterListManagerImpl filterListManager) {

                super(filterListManager.getFilterList());

        }

        public boolean isDataTypeSupported(int dataType) {

                return true;

        }

        public Class<?> getFilterClassByID(String id) {

                if(id.compareTo("moda") == 0)

                        return ModeFilter.class;

                return null;

        }

        /**

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

         * @param sideLong

         * @throws FilterTypeException

         */

        public void addModeFilter(int sideLong) throws FilterTypeException {

                RasterFilter filter = new ModeByteFilter();

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

                if (filter != null) {

                        filter.addParam("sideLong", new Integer(sideLong));

                        getFilterList().add(filter);

                }

        }

        public List<Class<?>> getRasterFilterList() {

                List<Class<?>> filters = new ArrayList<Class<?>>();

                filters.add(ModeFilter.class);

                return filters;

        }

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

                if (ModeFilter.class.isAssignableFrom(classFilter)) {

                        int sideLong = 0;

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

                                if (((ParamImpl)params.getParam(i)).getId().equals("sideLong") &&

                                                ((ParamImpl)params.getParam(i)).getDefaultValue() instanceof Integer)

                                        sideLong = ((Integer) ((ParamImpl)params.getParam(i)).getDefaultValue()).intValue();

                        }

                        addModeFilter(sideLong);

                }

        }

        public void addFilter(Params params) throws FilterTypeException {

                addFilter(ModeFilter.class, params);

        }

        public RasterFilter createFilter(Params params) {

                if(        params.getParamById("sideLong") != null) {

                        int sideLong = ((Integer) params.getParamById("sideLong").getDefaultValue()).intValue();

                        RasterFilter filter = new ModeByteFilter();

                        filter.addParam("sideLong", new Integer(sideLong));

                        return filter;

                }

                return null;

        }

}