| gvSIG desktop 1

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

 *

 * Copyright (C) 2004-2006 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.

 *

 * For more information, contact:

 *

 *   Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Iba?ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *   +34 963862235

 *   gvsig@gva.es

 *   www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.publish.infoproject.legends;

import java.util.HashMap;

import org.gvsig.publish.infoproject.ISymbolInfo;

import org.gvsig.publish.infoproject.symbols.SymbolInfoFactory;

import com.iver.cit.gvsig.fmap.core.ISymbol;

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

import com.iver.cit.gvsig.fmap.rendering.VectorialIntervalLegend;

public class VectorialIntervalLegendInfo implements IIntervalLegendInfo {

        private VectorialIntervalLegend legend = null;

        private HashMap expressions = null;

        private HashMap intervals = null;

        private FLyrVect layer = null;

        /**

         * constructor 

         * @param legend

         * @deprecated

         */

        public VectorialIntervalLegendInfo(VectorialIntervalLegend legend) {

                this.legend = legend;

                initialize();

        }

        /**

         * constructor

         * @param fLyrVect

         */

        public VectorialIntervalLegendInfo(FLyrVect fLyrVect) {

                this.layer = fLyrVect;

                this.legend = (VectorialIntervalLegend)fLyrVect.getLegend();

                initialize();

        }

        private void initialize(){

                expressions = new HashMap();

                intervals = new HashMap();

                String[] sIntervals = getIntervals();

                String[] sExpressions = new String[sIntervals.length];

                ISymbol[] symbols = legend.getSymbols();

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

                        sExpressions[i] = createExpression(sIntervals[i]);

                        ISymbolInfo symbol = SymbolInfoFactory.getInstance(symbols[i]);

                        intervals.put(sIntervals[i], symbol);

                        expressions.put(sExpressions[i], symbol);

                }                

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.infoProject.legends.IIntervalLegendInfo#getFilterItem()

         */

        public String getFilterItem() {

                return legend.getFieldName();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.infoProject.legends.IIntervalLegendInfo#getExpressions()

         */

        public String[] getExpressions(){

                String[] sIntervals = getIntervals();

                String[] sExpressions = new String[sIntervals.length];

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

                        sExpressions[i] = createExpression(sIntervals[i]);

                }

                return sExpressions;

        }

        /**

         * Create an expression from an interval

         * @param interval

         * An interval (MIN_VALUE - MAXVALUE)

         * @return

         * An expression

         * (FIELD > MIN_VALUE AND FIELD < MAX_VALUE)

         */

        private String createExpression(String interval){

                String[] intervals = interval.split("-");

                StringBuffer expression = new StringBuffer();

                expression.append("[" + getFilterItem() + "]" + " >= " + formatNumber(intervals[0].trim()));

                expression.append(" AND ");

                expression.append("[" + getFilterItem() + "]" + " <= " + formatNumber(intervals[1].trim()));

                return expression.toString();

        }

        private String formatNumber(String number){

                number = number.replace(".","");

                return number.replace(",", ".");

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.infoProject.legends.IIntervalLegendInfo#getIntervals()

         */

        public String[] getIntervals() {

                return legend.getDescriptions();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.infoProject.legends.IIntervalLegendInfo#getSymbolByExpression(java.lang.String)

         */

        public ISymbolInfo getSymbolByExpression(String expression) {

                if (expressions.containsKey(expression)){

                        return (ISymbolInfo)expressions.get(expression);

                }

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.infoProject.legends.IIntervalLegendInfo#getSymbolByInterval(java.lang.String)

         */

        public ISymbolInfo getSymbolByInterval(String interval) {

                if (intervals.containsKey(interval)){

                        return (ISymbolInfo)intervals.get(interval);

                }

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.publish.infoproject.ILegendInfo#getSLDString()

         */

        public String getSLDString() {

                if (layer != null){

                        return legend.getSLDString(layer.getName());

                }else{

                        return legend.getSLDString("default");

                }

        }

}