001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.gui.preferences.projection;
003
004import static org.openstreetmap.josm.tools.I18n.tr;
005
006import java.awt.event.ActionListener;
007import java.util.Collection;
008import java.util.Collections;
009
010import javax.swing.JLabel;
011import javax.swing.JPanel;
012
013import org.openstreetmap.josm.Main;
014import org.openstreetmap.josm.tools.GBC;
015import org.openstreetmap.josm.tools.ImageProvider;
016
017public class LambertCC9ZonesProjectionChoice extends ListProjectionChoice {
018
019    private static String[] lambert9zones = {
020        tr("{0} ({1} to {2} degrees)", 1, 41, 43),
021        tr("{0} ({1} to {2} degrees)", 2, 42, 44),
022        tr("{0} ({1} to {2} degrees)", 3, 43, 45),
023        tr("{0} ({1} to {2} degrees)", 4, 44, 46),
024        tr("{0} ({1} to {2} degrees)", 5, 45, 47),
025        tr("{0} ({1} to {2} degrees)", 6, 46, 48),
026        tr("{0} ({1} to {2} degrees)", 7, 47, 49),
027        tr("{0} ({1} to {2} degrees)", 8, 48, 50),
028        tr("{0} ({1} to {2} degrees)", 9, 49, 51)
029    };
030
031    /**
032     * Constructs a new {@code LambertCC9ZonesProjectionChoice}.
033     */
034    public LambertCC9ZonesProjectionChoice() {
035        super(tr("Lambert CC9 Zone (France)"), /* NO-ICON */ "core:lambertcc9", lambert9zones, tr("Lambert CC Zone"));
036    }
037
038    private static class LambertCC9CBPanel extends CBPanel {
039        LambertCC9CBPanel(String[] entries, int initialIndex, String label, ActionListener listener) {
040            super(entries, initialIndex, label, listener);
041            this.add(new JLabel(ImageProvider.get("data/projection", "LambertCC9Zones.png")), GBC.eol().fill(GBC.HORIZONTAL));
042            this.add(GBC.glue(1, 1), GBC.eol().fill(GBC.BOTH));
043        }
044    }
045
046    @Override
047    public JPanel getPreferencePanel(ActionListener listener) {
048        return new LambertCC9CBPanel(entries, index, label, listener);
049    }
050
051    @Override
052    public String getCurrentCode() {
053        return "EPSG:" + Integer.toString(3942+index); //CC42 is EPSG:3942 (up to EPSG:3950 for CC50)
054    }
055
056    @Override
057    public String getProjectionName() {
058        return tr("Lambert CC9 Zone (France)");
059    }
060
061    @Override
062    public String[] allCodes() {
063        String[] codes = new String[9];
064        for (int zone = 0; zone < 9; zone++) {
065            codes[zone] = "EPSG:" + (3942 + zone);
066        }
067        return codes;
068    }
069
070    @Override
071    public Collection<String> getPreferencesFromCode(String code) {
072        //zone 1=CC42=EPSG:3942 up to zone 9=CC50=EPSG:3950
073        if (code.startsWith("EPSG:39") && code.length() == 9) {
074            try {
075                String zonestring = code.substring(5, 9);
076                int zoneval = Integer.parseInt(zonestring)-3942;
077                if (zoneval >= 0 && zoneval <= 8)
078                    return Collections.singleton(String.valueOf(zoneval+1));
079            } catch (NumberFormatException ex) {
080                Main.warn(ex);
081            }
082        }
083        return null;
084    }
085
086    @Override
087    protected String indexToZone(int idx) {
088        return Integer.toString(idx + 1);
089    }
090
091    @Override
092    protected int zoneToIndex(String zone) {
093        try {
094            return Integer.parseInt(zone) - 1;
095        } catch (NumberFormatException e) {
096            Main.warn(e);
097        }
098        return defaultIndex;
099    }
100
101}