| 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.dataset.IBuffer;

import org.gvsig.raster.dataset.Params;

import org.gvsig.raster.datastruct.ColorTable;

import org.gvsig.raster.grid.GridPalette;

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 aplicaci?n de tablas de color sobre un raster.

 *

 * @version 06/06/2007

 * @author Nacho Brodin (nachobrodin@gmail.com)

 *

 */

public class ColorTableListManager  implements IRasterFilterListManager {

        protected RasterFilterList        filterList = null;

        private RasterFilterListManager        filterListManager = null;

        public static void register() {

                ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

                extensionPoints.add("RasterFilter", "ColorTable", ColorTableListManager.class);

        }

        /**

         * Constructor.

         * Asigna la lista de filtros y el managener global.

         *

         * @param filterListManager

         */

        public ColorTableListManager(RasterFilterListManager filterListManager) {

                this.filterListManager = filterListManager;

                this.filterList = filterListManager.getFilterList();

        }

        /**

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

         * @param ladoVentana

         */

        public void addColorTableFilter(GridPalette palette) {

                RasterFilter filter = new ColorTableByteFilter();

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

                if (filter != null) {

                        filter.addParam("colorTable", palette);

                        filterList.add(filter);

                }

        }

        /*

         * (non-Javadoc)

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

         */

        public ArrayList getRasterFilterList() {

                ArrayList filters = new ArrayList();

                filters.add(ColorTableFilter.class);

                return filters;

        }

        public void addFilter(Class classFilter, Params params) {

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

                        GridPalette colorTable = null;

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

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

                                        colorTable = (GridPalette) params.getParam(i).defaultValue;

                        }

                        addColorTableFilter(colorTable);

                }

        }

        /*

         * (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) {

                if(fil.startsWith("filter.colortable.active")) {

                        boolean exec = true;

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

                                exec = false;

                        ColorTable colorTable = new ColorTable();

                        int lengthList = 0;

                        filters.remove(0);

                        for(int prop = 0; prop < filters.size() ; prop++) {

                                String elem = (String) filters.get(prop);

                                if(elem.startsWith("filter.colortable.values")) {

                                        String[] listString = RasterFilterListManager.getValue(elem).split(" ");

                                        int[] listInt = new int[listString.length];

                                        for(int i = 0; i < listString.length; i++)

                                                listInt[i] = Integer.parseInt(listString[i]);

                                        colorTable.setColorTable(listInt);

                                        filters.remove(prop);

                                        prop--;

                                }

                                /*

                                if(elem.startsWith("filter.colortable.type")) {

                                        colorTable.setType(Integer.parseInt(RasterFilterListManager.getValue(elem)));

                                        filters.remove(prop);

                                        prop--;

                                }

                                if(elem.startsWith("filter.colortable.range")) {

                                        String[] listString = RasterFilterListManager.getValue(elem).split(" ");

                                        lengthList = listString.length;

                                        if(colorTable.getType() == IBuffer.TYPE_BYTE || colorTable.getType() == IBuffer.TYPE_SHORT || colorTable.getType() == IBuffer.TYPE_INT) {

                                                int[] listInt = new int[listString.length];

                                                for(int i = 0; i < listString.length; i++)

                                                        listInt[i] = Integer.parseInt(listString[i]);

                                                colorTable.setIntRange(listInt);

                                        } else {

                                                double[] listDouble = new double[listString.length];

                                                for(int i = 0; i < listString.length; i++)

                                                        listDouble[i] = Double.parseDouble(listString[i]);

                                                colorTable.setDoubleRange(listDouble);

                                        }

                                        filters.remove(prop);

                                        prop--;

                                }

                                */

                                if(elem.startsWith("filter.colortable.names")) {

                                        String[] listString = RasterFilterListManager.getValue(elem).split(" ");

                                        if(listString.length == 0) {

                                                listString = new String[lengthList];

                                                for(int i = 0; i < listString.length; i++)

                                                        listString[i] = "";

                                        }

                                        colorTable.setNameClass(listString);

                                        filters.remove(prop);

                                        prop--;

                                }

                        }

                        filterList.remove(ColorTableFilter.class);

                        addColorTableFilter(new GridPalette(colorTable));

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

                        ct.setExec(exec);

                }

                return filteri;

        }

        public ArrayList getStringsFromFilterList(ArrayList filterList, RasterFilter rf) {

                if(rf instanceof ColorTableFilter) {

                        ColorTableFilter colorTableFilter = (ColorTableFilter)rf;

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

                        if (colorTable != null) {

                                if (colorTableFilter.isExec())

                                        filterList.add("filter.colortable.active=true");

                                else

                                        filterList.add("filter.colortable.active=false");

                                /*

                                filterList.add("filter.colortable.type=" + colorTable.getType());

                                String range = "";

                                if(colorTable.getType() == IBuffer.TYPE_BYTE || colorTable.getType() == IBuffer.TYPE_SHORT || colorTable.getType() == IBuffer.TYPE_INT) {

                                        for(int i = 0; i < colorTable.getIntRange().length; i++)

                                                range += colorTable.getIntRange()[i] + " ";

                                } else {

                                        for(int i = 0; i < colorTable.getDoubleRange().length; i++)

                                                range += colorTable.getDoubleRange()[i] + " ";

                                }

                                filterList.add("filter.colortable.range=" + range);

                                String values = "";

                                for(int i = 0; i < colorTable.getColorTable().length; i++)

                                        values += colorTable.getColorTable()[i] + " ";

                                filterList.add("filter.colortable.values=" + values);

                                */

                                String names = "";

                                for(int i = 0; i < colorTable.getNameClass().length; i++)

                                        names += colorTable.getNameClass()[i] + " ";

                                filterList.add("filter.colortable.names=" + names);

                        }

                }

                return filterList;

        }

}