// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.dialogs;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.Color;
import java.awt.Component;
import java.awt.GridBagLayout;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.text.NumberFormat;
import java.text.ParsePosition;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSeparator;
import javax.swing.JTabbedPane;
import javax.swing.UIManager;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.coor.CoordinateFormat;
import org.openstreetmap.josm.data.coor.EastNorth;
import org.openstreetmap.josm.data.coor.LatLon;
import org.openstreetmap.josm.gui.ExtendedDialog;
import org.openstreetmap.josm.gui.widgets.HtmlPanel;
import org.openstreetmap.josm.gui.widgets.JosmTextField;
import org.openstreetmap.josm.tools.GBC;
import org.openstreetmap.josm.tools.WindowGeometry;
public class LatLonDialog extends ExtendedDialog {
private static final Color BG_COLOR_ERROR = new Color(255,224,224);
public JTabbedPane tabs;
private JosmTextField tfLatLon, tfEastNorth;
private LatLon latLonCoordinates;
private EastNorth eastNorthCoordinates;
private static final double ZERO = 0.0;
private static final String DEG = "\u00B0";
private static final String MIN = "\u2032";
private static final String SEC = "\u2033";
private static final char N_TR = LatLon.NORTH.charAt(0);
private static final char S_TR = LatLon.SOUTH.charAt(0);
private static final char E_TR = LatLon.EAST.charAt(0);
private static final char W_TR = LatLon.WEST.charAt(0);
private static final Pattern p = Pattern.compile(
"([+|-]?\\d+[.,]\\d+)|" // (1)
+ "([+|-]?\\d+)|" // (2)
+ "("+DEG+"|o|deg)|" // (3)
+ "('|"+MIN+"|min)|" // (4)
+ "(\"|"+SEC+"|sec)|" // (5)
+ "(,|;)|" // (6)
+ "([NSEW"+N_TR+S_TR+E_TR+W_TR+"])|"// (7)
+ "\\s+|"
+ "(.+)");
protected JPanel buildLatLon() {
JPanel pnl = new JPanel(new GridBagLayout());
pnl.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
pnl.add(new JLabel(tr("Coordinates:")), GBC.std().insets(0,10,5,0));
tfLatLon = new JosmTextField(24);
pnl.add(tfLatLon, GBC.eol().insets(0,10,0,0).fill(GBC.HORIZONTAL).weight(1.0, 0.0));
pnl.add(new JSeparator(), GBC.eol().fill(GBC.HORIZONTAL).insets(0,5,0,5));
pnl.add(new HtmlPanel(
tr("Enter the coordinates for the new node.<br/>You can separate longitude and latitude with space, comma or semicolon.<br/>" +
"Use positive numbers or N, E characters to indicate North or East cardinal direction.<br/>" +
"For South and West cardinal directions you can use either negative numbers or S, W characters.<br/>" +
"Coordinate value can be in one of three formats:<ul>" +
"<li><i>degrees</i><tt>°</tt></li>" +
"<li><i>degrees</i><tt>°</tt> <i>minutes</i><tt>'</tt></li>" +
"<li><i>degrees</i><tt>°</tt> <i>minutes</i><tt>'</tt> <i>seconds</i><tt>"</tt></li>" +
"</ul>" +
"Symbols <tt>°</tt>, <tt>'</tt>, <tt>′</tt>, <tt>"</tt>, <tt>″</tt> are optional.<br/><br/>" +
"Some examples:<ul>{0}</ul>",
"<li>49.29918° 19.24788°</li>" +
"<li>N 49.29918 E 19.24788</li>" +
"<li>W 49°29.918' S 19°24.788'</li>" +
"<li>N 49°29'04" E 19°24'43"</li>" +
"<li>49.29918 N, 19.24788 E</li>" +
"<li>49°29'21" N 19°24'38" E</li>" +
"<li>49 29 51, 19 24 18</li>" +
"<li>49 29, 19 24</li>" +
"<li>E 49 29, N 19 24</li>" +
"<li>49° 29; 19° 24</li>" +
"<li>N 49° 29, W 19° 24</li>" +
"<li>49° 29.5 S, 19° 24.6 E</li>" +
"<li>N 49 29.918 E 19 15.88</li>" +
"<li>49 29.4 19 24.5</li>" +
"<li>-49 29.4 N -19 24.5 W</li>" +
"<li>48 deg 42' 52.13\" N, 21 deg 11' 47.60\" E</li>")),
GBC.eol().fill().weight(1.0, 1.0));
// parse and verify input on the fly
//
LatLonInputVerifier inputVerifier = new LatLonInputVerifier();
tfLatLon.getDocument().addDocumentListener(inputVerifier);
// select the text in the field on focus
//
TextFieldFocusHandler focusHandler = new TextFieldFocusHandler();
tfLatLon.addFocusListener(focusHandler);
return pnl;
}
private JPanel buildEastNorth() {
JPanel pnl = new JPanel(new GridBagLayout());
pnl.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
pnl.add(new JLabel(tr("Projected coordinates:")), GBC.std().insets(0,10,5,0));
tfEastNorth = new JosmTextField(24);
pnl.add(tfEastNorth, GBC.eol().insets(0,10,0,0).fill(GBC.HORIZONTAL).weight(1.0, 0.0));
pnl.add(new JSeparator(), GBC.eol().fill(GBC.HORIZONTAL).insets(0,5,0,5));
pnl.add(new HtmlPanel(
tr("Enter easting and northing (x and y) separated by space, comma or semicolon.")),
GBC.eol().fill(GBC.HORIZONTAL));
pnl.add(GBC.glue(1, 1), GBC.eol().fill().weight(1.0, 1.0));
EastNorthInputVerifier inputVerifier = new EastNorthInputVerifier();
tfEastNorth.getDocument().addDocumentListener(inputVerifier);
TextFieldFocusHandler focusHandler = new TextFieldFocusHandler();
tfEastNorth.addFocusListener(focusHandler);
return pnl;
}
protected void build() {
tabs = new JTabbedPane();
tabs.addTab(tr("Lat/Lon"), buildLatLon());
tabs.addTab(tr("East/North"), buildEastNorth());
tabs.getModel().addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
switch (tabs.getModel().getSelectedIndex()) {
case 0: parseLatLonUserInput(); break;
case 1: parseEastNorthUserInput(); break;
default: throw new AssertionError();
}
}
});
setContent(tabs, false);
}
public LatLonDialog(Component parent, String title, String help) {
super(parent, title, new String[] { tr("Ok"), tr("Cancel") });
setButtonIcons(new String[] { "ok", "cancel" });
configureContextsensitiveHelp(help, true);
build();
setCoordinates(null);
}
public boolean isLatLon() {
return tabs.getModel().getSelectedIndex() == 0;
}
public void setCoordinates(LatLon ll) {
if (ll == null) {
ll = new LatLon(0,0);
}
this.latLonCoordinates = ll;
tfLatLon.setText(ll.latToString(CoordinateFormat.getDefaultFormat()) + " " + ll.lonToString(CoordinateFormat.getDefaultFormat()));
EastNorth en = Main.getProjection().latlon2eastNorth(ll);
tfEastNorth.setText(en.east()+" "+en.north());
setOkEnabled(true);
}
public LatLon getCoordinates() {
if (isLatLon()) {
return latLonCoordinates;
} else {
if (eastNorthCoordinates == null) return null;
return Main.getProjection().eastNorth2latlon(eastNorthCoordinates);
}
}
public LatLon getLatLonCoordinates() {
return latLonCoordinates;
}
public EastNorth getEastNorthCoordinates() {
return eastNorthCoordinates;
}
protected void setErrorFeedback(JosmTextField tf, String message) {
tf.setBorder(BorderFactory.createLineBorder(Color.RED, 1));
tf.setToolTipText(message);
tf.setBackground(BG_COLOR_ERROR);
}
protected void clearErrorFeedback(JosmTextField tf, String message) {
tf.setBorder(UIManager.getBorder("TextField.border"));
tf.setToolTipText(message);
tf.setBackground(UIManager.getColor("TextField.background"));
}
protected Double parseDoubleFromUserInput(String input) {
if (input == null) return null;
// remove white space and an optional degree symbol
//
input = input.trim();
input = input.replaceAll(DEG, "");
// try to parse using the current locale
//
NumberFormat f = NumberFormat.getNumberInstance();
Number n=null;
ParsePosition pp = new ParsePosition(0);
n = f.parse(input,pp);
if (pp.getErrorIndex() >= 0 || pp.getIndex()<input.length()) {
// fall back - try to parse with the english locale
//
pp = new ParsePosition(0);
f = NumberFormat.getNumberInstance(Locale.ENGLISH);
n = f.parse(input, pp);
if (pp.getErrorIndex() >= 0 || pp.getIndex()<input.length())
return null;
}
return n== null ? null : n.doubleValue();
}
protected void parseLatLonUserInput() {
LatLon latLon;
try {
latLon = parseLatLon(tfLatLon.getText());
if (!LatLon.isValidLat(latLon.lat()) || !LatLon.isValidLon(latLon.lon())) {
latLon = null;
}
} catch (IllegalArgumentException e) {
latLon = null;
}
if (latLon == null) {
setErrorFeedback(tfLatLon, tr("Please enter a GPS coordinates"));
latLonCoordinates = null;
setOkEnabled(false);
} else {
clearErrorFeedback(tfLatLon,tr("Please enter a GPS coordinates"));
latLonCoordinates = latLon;
setOkEnabled(true);
}
}
protected void parseEastNorthUserInput() {
EastNorth en;
try {
en = parseEastNorth(tfEastNorth.getText());
} catch (IllegalArgumentException e) {
en = null;
}
if (en == null) {
setErrorFeedback(tfEastNorth, tr("Please enter a Easting and Northing"));
latLonCoordinates = null;
setOkEnabled(false);
} else {
clearErrorFeedback(tfEastNorth,tr("Please enter a Easting and Northing"));
eastNorthCoordinates = en;
setOkEnabled(true);
}
}
private void setOkEnabled(boolean b) {
if (buttons != null && !buttons.isEmpty()) {
buttons.get(0).setEnabled(b);
}
}
@Override
public void setVisible(boolean visible) {
if (visible) {
WindowGeometry.centerInWindow(Main.parent, getSize()).applySafe(this);
}
super.setVisible(visible);
}
class LatLonInputVerifier implements DocumentListener {
@Override
public void changedUpdate(DocumentEvent e) {
parseLatLonUserInput();
}
@Override
public void insertUpdate(DocumentEvent e) {
parseLatLonUserInput();
}
@Override
public void removeUpdate(DocumentEvent e) {
parseLatLonUserInput();
}
}
class EastNorthInputVerifier implements DocumentListener {
@Override
public void changedUpdate(DocumentEvent e) {
parseEastNorthUserInput();
}
@Override
public void insertUpdate(DocumentEvent e) {
parseEastNorthUserInput();
}
@Override
public void removeUpdate(DocumentEvent e) {
parseEastNorthUserInput();
}
}
static class TextFieldFocusHandler implements FocusListener {
@Override
public void focusGained(FocusEvent e) {
Component c = e.getComponent();
if (c instanceof JosmTextField) {
JosmTextField tf = (JosmTextField)c;
tf.selectAll();
}
}
@Override
public void focusLost(FocusEvent e) {}
}
public static LatLon parseLatLon(final String coord) {
final Matcher m = p.matcher(coord);
final StringBuilder sb = new StringBuilder();
final List<Object> list = new ArrayList<>();
while (m.find()) {
if (m.group(1) != null) {
sb.append('R'); // floating point number
list.add(Double.parseDouble(m.group(1).replace(',', '.')));
} else if (m.group(2) != null) {
sb.append('Z'); // integer number
list.add(Double.parseDouble(m.group(2)));
} else if (m.group(3) != null) {
sb.append('o'); // degree sign
} else if (m.group(4) != null) {
sb.append('\''); // seconds sign
} else if (m.group(5) != null) {
sb.append('"'); // minutes sign
} else if (m.group(6) != null) {
sb.append(','); // separator
} else if (m.group(7) != null) {
sb.append("x"); // cardinal direction
String c = m.group(7).toUpperCase();
if ("N".equals(c) || "S".equals(c) || "E".equals(c) || "W".equals(c)) {
list.add(c);
} else {
list.add(c.replace(N_TR, 'N').replace(S_TR, 'S')
.replace(E_TR, 'E').replace(W_TR, 'W'));
}
} else if (m.group(8) != null) {
throw new IllegalArgumentException("invalid token: " + m.group(8));
}
}
final String pattern = sb.toString();
final Object[] params = list.toArray();
final LatLonHolder latLon = new LatLonHolder();
if (pattern.matches("Ro?,?Ro?")) {
setLatLonObj(latLon,
params[0], ZERO, ZERO, "N",
params[1], ZERO, ZERO, "E");
} else if (pattern.matches("xRo?,?xRo?")) {
setLatLonObj(latLon,
params[1], ZERO, ZERO, params[0],
params[3], ZERO, ZERO, params[2]);
} else if (pattern.matches("Ro?x,?Ro?x")) {
setLatLonObj(latLon,
params[0], ZERO, ZERO, params[1],
params[2], ZERO, ZERO, params[3]);
} else if (pattern.matches("Zo[RZ]'?,?Zo[RZ]'?|Z[RZ],?Z[RZ]")) {
setLatLonObj(latLon,
params[0], params[1], ZERO, "N",
params[2], params[3], ZERO, "E");
} else if (pattern.matches("xZo[RZ]'?,?xZo[RZ]'?|xZo?[RZ],?xZo?[RZ]")) {
setLatLonObj(latLon,
params[1], params[2], ZERO, params[0],
params[4], params[5], ZERO, params[3]);
} else if (pattern.matches("Zo[RZ]'?x,?Zo[RZ]'?x|Zo?[RZ]x,?Zo?[RZ]x")) {
setLatLonObj(latLon,
params[0], params[1], ZERO, params[2],
params[3], params[4], ZERO, params[5]);
} else if (pattern.matches("ZoZ'[RZ]\"?x,?ZoZ'[RZ]\"?x|ZZ[RZ]x,?ZZ[RZ]x")) {
setLatLonObj(latLon,
params[0], params[1], params[2], params[3],
params[4], params[5], params[6], params[7]);
} else if (pattern.matches("xZoZ'[RZ]\"?,?xZoZ'[RZ]\"?|xZZ[RZ],?xZZ[RZ]")) {
setLatLonObj(latLon,
params[1], params[2], params[3], params[0],
params[5], params[6], params[7], params[4]);
} else if (pattern.matches("ZZ[RZ],?ZZ[RZ]")) {
setLatLonObj(latLon,
params[0], params[1], params[2], "N",
params[3], params[4], params[5], "E");
} else {
throw new IllegalArgumentException("invalid format: " + pattern);
}
return new LatLon(latLon.lat, latLon.lon);
}
public static EastNorth parseEastNorth(String s) {
String[] en = s.split("[;, ]+");
if (en.length != 2) return null;
try {
double east = Double.parseDouble(en[0]);
double north = Double.parseDouble(en[1]);
return new EastNorth(east, north);
} catch (NumberFormatException nfe) {
return null;
}
}
private static class LatLonHolder {
double lat, lon;
}
private static void setLatLonObj(final LatLonHolder latLon,
final Object coord1deg, final Object coord1min, final Object coord1sec, final Object card1,
final Object coord2deg, final Object coord2min, final Object coord2sec, final Object card2) {
setLatLon(latLon,
(Double) coord1deg, (Double) coord1min, (Double) coord1sec, (String) card1,
(Double) coord2deg, (Double) coord2min, (Double) coord2sec, (String) card2);
}
private static void setLatLon(final LatLonHolder latLon,
final double coord1deg, final double coord1min, final double coord1sec, final String card1,
final double coord2deg, final double coord2min, final double coord2sec, final String card2) {
setLatLon(latLon, coord1deg, coord1min, coord1sec, card1);
setLatLon(latLon, coord2deg, coord2min, coord2sec, card2);
}
private static void setLatLon(final LatLonHolder latLon, final double coordDeg, final double coordMin, final double coordSec, final String card) {
if (coordDeg < -180 || coordDeg > 180 || coordMin < 0 || coordMin >= 60 || coordSec < 0 || coordSec > 60) {
throw new IllegalArgumentException("out of range");
}
double coord = (coordDeg < 0 ? -1 : 1) * (Math.abs(coordDeg) + coordMin / 60 + coordSec / 3600);
coord = "N".equals(card) || "E".equals(card) ? coord : -coord;
if ("N".equals(card) || "S".equals(card)) {
latLon.lat = coord;
} else {
latLon.lon = coord;
}
}
public String getLatLonText() {
return tfLatLon.getText();
}
public void setLatLonText(String text) {
tfLatLon.setText(text);
}
public String getEastNorthText() {
return tfEastNorth.getText();
}
public void setEastNorthText(String text) {
tfEastNorth.setText(text);
}
}