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.tools.app.basic.tool.filter.regionalpha;

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.RasterFilter;

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

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

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

import org.gvsig.raster.roi.ROI;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

public class RegionAlphaListManager implements RasterFilterListManager {

        protected RasterFilterList        filterList = null;

        /**

         * Default constructor. Sets the filter list.

         * @param filterList

         */

        public RegionAlphaListManager(RasterFilterList filterList) {

                this.filterList = filterList;

        }

        /**

         * Registrar los manager en los puntos de extension

         */

        public static void register() {

                ExtensionPointManager extensionPoints =ToolsLocator.getExtensionPointManager();

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

                point.append("RegionAlpha", "", RegionAlphaListManager.class);

        }

        public boolean isDataTypeSupported(int dataType) {

                return true;

        }

        public Class<?> getFilterClassByID(String id) {

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

                        return RegionAlphaFilter.class;

                return null;

        }

        public void addRegionAlphaFilter(List<ROI> rois, int alpha, Boolean inverse) throws FilterTypeException {

                RasterFilter filter = new RegionAlphaByteFilter();

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

                if (filter != null) {

                        filter.addParam("rois", rois);

                        filter.addParam("inverse", inverse);

                        filter.addParam("alpha", Integer.valueOf(alpha));

                        filterList.add(filter);

                }

        }

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

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

                filters.add(RegionAlphaFilter.class);

                return filters;

        }

        @SuppressWarnings("unchecked")

        public RasterFilter createFilter(Params params) {

                List<ROI> rois = ((List<ROI>) params.getParamById("rois").getDefaultValue());

                Boolean inverse = ((Boolean) params.getParamById("inverse").getDefaultValue());

                Integer alpha = ((Integer) params.getParamById("Alpha").getDefaultValue());

                RasterFilter filter = new RegionAlphaByteFilter();

                filter.addParam("rois", rois);

                filter.addParam("inverse", inverse);

                filter.addParam("alpha", alpha);

                return filter;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#addFilter(org.gvsig.fmap.dal.coverage.datastruct.Params)

         */

        public void addFilter(Params params) throws FilterTypeException {

                addFilter(RegionAlphaFilter.class, params);

        }

        @SuppressWarnings("unchecked")

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

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

                        ArrayList<ROI> rois = new ArrayList<ROI>();

                        Boolean inverse = new Boolean(false);

                        int alpha = 255;

                        Params paramsUI = null;

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

                                if (params.getParam(i).getId().equals("Panel") &&

                                        params.getParam(i).getDefaultValue() instanceof RegistrableFilterListener) {

                                        paramsUI = ((RegistrableFilterListener) params.getParam(i).getDefaultValue()).getParams();

                                }

                                if (params.getParam(i).getId().equals("Alpha") && params.getParam(i).getDefaultValue() instanceof Integer) {

                                        alpha = ((Integer) params.getParam(i).getDefaultValue()).intValue();

                                }

                        }

                        if (paramsUI != null) {

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

                                        if (paramsUI.getParam(i).getId().equals("rois"))

                                                rois = (ArrayList<ROI>) paramsUI.getParam(i).getDefaultValue();

                                        if (paramsUI.getParam(i).getId().equals("inverse"))

                                                inverse = (Boolean) paramsUI.getParam(i).getDefaultValue();

                                }

                        }

                        addRegionAlphaFilter(rois, alpha, inverse);

                }

        }

        public int createFilterListFromStrings(List<String> filters, String fil, int filteri) throws FilterTypeException {

                return filteri;

        }

        public List<String> getStringsFromFilterList(List<String> filterList, RasterFilter rf) {

                return filterList;

        }

        public RasterFilterList getFilterList() {

                return filterList;

        }

        public void setFilterList(RasterFilterList filterList) {

                this.filterList = filterList;

        }

}