001 // License: GPL. For details, see LICENSE file.
002 package org.openstreetmap.josm.gui.preferences.projection;
003
004 import static org.openstreetmap.josm.tools.I18n.tr;
005
006 import java.awt.GridBagLayout;
007 import java.awt.event.ActionListener;
008 import java.util.ArrayList;
009 import java.util.Arrays;
010 import java.util.Collection;
011 import java.util.List;
012
013 import javax.swing.ButtonGroup;
014 import javax.swing.JLabel;
015 import javax.swing.JPanel;
016 import javax.swing.JRadioButton;
017
018 import org.openstreetmap.josm.tools.GBC;
019
020 public class UTMProjectionChoice extends ListProjectionChoice {
021
022 public enum Hemisphere { North, South }
023
024 private static final Hemisphere DEFAULT_HEMISPHERE = Hemisphere.North;
025
026 private Hemisphere hemisphere;
027
028 private final static List<String> cbEntries = new ArrayList<String>();
029 static {
030 for (int i = 1; i <= 60; i++) {
031 cbEntries.add(Integer.toString(i));
032 }
033 }
034
035 public UTMProjectionChoice() {
036 super(tr("UTM"), "core:utm", cbEntries.toArray(), tr("UTM Zone"));
037 }
038
039 private class UTMPanel extends CBPanel {
040
041 public JRadioButton north, south;
042
043 public UTMPanel(Object[] entries, int initialIndex, String label, ActionListener listener) {
044 super(entries, initialIndex, label, listener);
045
046 //Hemisphere
047 north = new JRadioButton();
048 north.setSelected(hemisphere == Hemisphere.North);
049 south = new JRadioButton();
050 south.setSelected(hemisphere == Hemisphere.South);
051
052 ButtonGroup group = new ButtonGroup();
053 group.add(north);
054 group.add(south);
055
056 JPanel bPanel = new JPanel();
057 bPanel.setLayout(new GridBagLayout());
058
059 bPanel.add(new JLabel(tr("North")), GBC.std().insets(5, 5, 0, 5));
060 bPanel.add(north, GBC.std().fill(GBC.HORIZONTAL));
061 bPanel.add(GBC.glue(1, 0), GBC.std().fill(GBC.HORIZONTAL));
062 bPanel.add(new JLabel(tr("South")), GBC.std().insets(5, 5, 0, 5));
063 bPanel.add(south, GBC.std().fill(GBC.HORIZONTAL));
064 bPanel.add(GBC.glue(1, 1), GBC.eol().fill(GBC.BOTH));
065
066 this.add(new JLabel(tr("Hemisphere")), GBC.std().insets(5,5,0,5));
067 this.add(GBC.glue(1, 0), GBC.std().fill(GBC.HORIZONTAL));
068 this.add(bPanel, GBC.eop().fill(GBC.HORIZONTAL));
069 this.add(GBC.glue(1, 1), GBC.eol().fill(GBC.BOTH));
070
071 if (listener != null) {
072 north.addActionListener(listener);
073 south.addActionListener(listener);
074 }
075 }
076 }
077
078 @Override
079 public JPanel getPreferencePanel(ActionListener listener) {
080 return new UTMPanel(entries, index, label, listener);
081 }
082
083 @Override
084 public String getCurrentCode() {
085 int zone = index + 1;
086 int code = 32600 + zone + (hemisphere == Hemisphere.South ? 100 : 0);
087 return "EPSG:" + Integer.toString(code);
088 }
089
090 @Override
091 public String getProjectionName() {
092 return tr("UTM");
093 }
094
095
096 @Override
097 public Collection<String> getPreferences(JPanel panel) {
098 UTMPanel p = (UTMPanel) panel;
099 int index = p.prefcb.getSelectedIndex();
100 Hemisphere hemisphere = p.south.isSelected()?Hemisphere.South:Hemisphere.North;
101 return Arrays.asList(indexToZone(index), hemisphere.toString());
102 }
103
104 @Override
105 public String[] allCodes() {
106 ArrayList<String> projections = new ArrayList<String>(60*4);
107 for (int zone = 1;zone <= 60; zone++) {
108 for (Hemisphere hemisphere : Hemisphere.values()) {
109 projections.add("EPSG:" + (32600 + zone + (hemisphere == Hemisphere.South?100:0)));
110 }
111 }
112 return projections.toArray(new String[0]);
113 }
114
115 @Override
116 public Collection<String> getPreferencesFromCode(String code) {
117
118 if (code.startsWith("EPSG:326") || code.startsWith("EPSG:327")) {
119 try {
120 Hemisphere hemisphere = code.charAt(7)=='6'?Hemisphere.North:Hemisphere.South;
121 String zonestring = code.substring(8);
122 int zoneval = Integer.parseInt(zonestring);
123 if(zoneval > 0 && zoneval <= 60)
124 return Arrays.asList(zonestring, hemisphere.toString());
125 } catch(NumberFormatException e) {}
126 }
127 return null;
128 }
129
130 @Override
131 public void setPreferences(Collection<String> args) {
132 super.setPreferences(args);
133 Hemisphere hemisphere = DEFAULT_HEMISPHERE;
134
135 if(args != null) {
136 String[] array = args.toArray(new String[0]);
137
138 if (array.length > 1) {
139 hemisphere = Hemisphere.valueOf(array[1]);
140 }
141 }
142 this.hemisphere = hemisphere;
143 }
144
145 @Override
146 protected String indexToZone(int index) {
147 return Integer.toString(index + 1);
148 }
149
150 @Override
151 protected int zoneToIndex(String zone) {
152 try {
153 return Integer.parseInt(zone) - 1;
154 } catch(NumberFormatException e) {}
155 return defaultIndex;
156 }
157
158 }