Application: gvSIG desktop

/*

 * Created on 24-ene-2005

 */

package org.cresques.ui;

import org.cresques.cts.IProjection;

import org.cresques.cts.ProjectionPool;

/**

 * @author Luis W. Sevilla (sevilla_lui@gva.es)

 */

public class CSSelectionModel {

        public static int GEODETIC        = 0x01;

        public static int TRANSVERSAL = 0x02; 

        public String [] datumList = {

                        "WGS 84", "European 1950"/*, "Datum 73",

                        "Nouvelle Triangulation Francaise",

                        "North American Datum 1927"*/}; 

        private String [] projList = {

                        "Geodesica", "(UTM) Universal Transversal Mercator"};

        private int [] projType = {GEODETIC, TRANSVERSAL};

        private String [] huseList = {};

        private int selectedDatum = 0, selectedProj = 0, selectedHuse = 0;

        /**

         * 

         */

        public CSSelectionModel() {

                super();

                huseList = new String[60];

                for (int i=1; i<=60; i++)

                        huseList[i-1] = "Huso "+Integer.toString(i);

        }

        public String [] getDatumList() { return datumList; }

        public String [] getProjectionList() { return projList; }

        public String [] getHuseList() { return huseList; }

        public void setSelectedDatum(int opNr) { selectedDatum = opNr; }

        public void setSelectedDatum(Object item) {

                String [] list = datumList;

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

                        if (list[i].compareTo((String) item) == 0)

                                selectedDatum = i;

        }

        public int getSelectedDatum() { return selectedDatum; }

        public void setSelectedProj(int opNr) { selectedProj = opNr; }

        public void setSelectedProj(Object item) {

                String [] list = projList;

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

                        if (list[i].compareTo((String) item) == 0)

                                selectedProj = i;

        }

        public int getSelectedProj() { return selectedProj; }

        public int getSelectedProjType() { return projType[selectedProj]; }

        public void setSelectedHuse(int opNr) { selectedHuse = opNr; }

        public void setSelectedHuse(Object item) {

                String [] list = huseList;

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

                        if (list[i].compareTo((String) item) == 0)

                                selectedHuse = i;

        }

        public int getSelectedHuse() { return selectedHuse; }

        public void setProjection(IProjection proj) {

                String key = proj.getAbrev();

                key = key.substring(key.length()-5);

                if (key.endsWith(":4326")) {

                        setSelectedDatum(0);

                        setSelectedProj(0);

                        setSelectedHuse(-1);

                } else if (key.endsWith(":4230")) {

                        setSelectedDatum(1);

                        setSelectedProj(0);

                        setSelectedHuse(-1);

                } else if (key.startsWith("326")) {

                        setSelectedDatum(0);

                        setSelectedProj(1);

                        setSelectedHuse(Integer.parseInt(key.substring(3))-1);

                } else if (key.startsWith("230")) {

                        setSelectedDatum(1);

                        setSelectedProj(1);

                        setSelectedHuse(Integer.parseInt(key.substring(3))-1);

                } else

                        System.err.println("CAGADA EN EL PARSING DE LA PROYECCION: "+key);

        }

        public IProjection getProjection() {

                IProjection proj = null;

                String datum;

                        if (selectedDatum == 0)

                                datum = "326";

                        else

                                datum = "230";

                if (selectedProj == 0) {

                        return ProjectionPool.get("EPSG:4"+datum);

                } else if (selectedProj == 1) {

                        String huse = Integer.toString(selectedHuse+1);

                        if (selectedHuse < 9) huse = "0"+huse;

                        return ProjectionPool.get("EPSG:"+datum+huse);

                }

                return proj;

        }

}