// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.preferences.projection;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.BorderLayout;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.plaf.basic.BasicComboBoxEditor;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.projection.CustomProjection;
import org.openstreetmap.josm.data.projection.Projection;
import org.openstreetmap.josm.data.projection.ProjectionConfigurationException;
import org.openstreetmap.josm.data.projection.Projections;
import org.openstreetmap.josm.gui.ExtendedDialog;
import org.openstreetmap.josm.gui.tagging.ac.AutoCompletionListItem;
import org.openstreetmap.josm.gui.widgets.AbstractTextComponentValidator;
import org.openstreetmap.josm.gui.widgets.HistoryComboBox;
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.ImageProvider;
import org.openstreetmap.josm.tools.Utils;
public class CustomProjectionChoice extends AbstractProjectionChoice implements SubPrefsOptions {
private String pref;
/**
* Constructs a new {@code CustomProjectionChoice}.
*/
public CustomProjectionChoice() {
super(tr("Custom Projection"), "core:custom");
}
private static class PreferencePanel extends JPanel {
public JosmTextField input;
private HistoryComboBox cbInput;
public PreferencePanel(String initialText, ActionListener listener) {
build(initialText, listener);
}
private final void build(String initialText, final ActionListener listener) {
input = new JosmTextField(30);
cbInput = new HistoryComboBox();
cbInput.setPrototypeDisplayValue(new AutoCompletionListItem("xxxx"));
cbInput.setEditor(new BasicComboBoxEditor() {
@Override
protected JosmTextField createEditorComponent() {
return input;
}
});
Collection<String> samples = Arrays.asList(
"+proj=lonlat +ellps=WGS84 +datum=WGS84 +bounds=-180,-90,180,90",
"+proj=tmerc +lat_0=0 +lon_0=9 +k_0=1 +x_0=3500000 +y_0=0 +ellps=bessel +nadgrids=BETA2007.gsb");
List<String> inputHistory = new LinkedList<>(Main.pref.getCollection("projection.custom.value.history", samples));
Collections.reverse(inputHistory);
cbInput.setPossibleItems(inputHistory);
cbInput.setText(initialText == null ? "" : initialText);
final HtmlPanel errorsPanel = new HtmlPanel();
errorsPanel.setVisible(false);
final JLabel valStatus = new JLabel();
valStatus.setVisible(false);
final AbstractTextComponentValidator val = new AbstractTextComponentValidator(input, false, false, false) {
private String error;
@Override
public void validate() {
if (!isValid()) {
feedbackInvalid(tr("Invalid projection configuration: {0}",error));
} else {
feedbackValid(tr("Projection configuration is valid."));
}
listener.actionPerformed(null);
}
@Override
public final boolean isValid() {
try {
CustomProjection test = new CustomProjection();
test.update(input.getText());
} catch (ProjectionConfigurationException ex) {
error = ex.getMessage();
valStatus.setIcon(ImageProvider.get("data", "error.png"));
valStatus.setVisible(true);
errorsPanel.setText(error);
errorsPanel.setVisible(true);
return false;
}
errorsPanel.setVisible(false);
valStatus.setIcon(ImageProvider.get("misc", "green_check.png"));
valStatus.setVisible(true);
return true;
}
};
JButton btnCheck = new JButton(tr("Validate"));
btnCheck.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
val.validate();
}
});
btnCheck.setLayout(new BorderLayout());
btnCheck.setMargin(new Insets(-1,0,-1,0));
JButton btnInfo = new JButton(tr("Parameter information..."));
btnInfo.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
CustomProjectionChoice.ParameterInfoDialog dlg = new CustomProjectionChoice.ParameterInfoDialog();
dlg.showDialog();
dlg.toFront();
}
});
this.setLayout(new GridBagLayout());
JPanel p2 = new JPanel(new GridBagLayout());
p2.add(cbInput, GBC.std().fill(GBC.HORIZONTAL).insets(0, 20, 5, 5));
p2.add(btnCheck, GBC.eol().insets(0, 20, 0, 5));
this.add(p2, GBC.eol().fill(GBC.HORIZONTAL));
p2 = new JPanel(new GridBagLayout());
p2.add(valStatus, GBC.std().anchor(GBC.WEST).weight(0.0001, 0));
p2.add(errorsPanel, GBC.eol().fill(GBC.HORIZONTAL));
this.add(p2, GBC.eol().fill(GBC.HORIZONTAL));
p2 = new JPanel(new GridBagLayout());
p2.add(btnInfo, GBC.std().insets(0, 20, 0, 0));
p2.add(GBC.glue(1, 0), GBC.eol().fill(GBC.HORIZONTAL));
this.add(p2, GBC.eol().fill(GBC.HORIZONTAL));
}
public void rememberHistory() {
cbInput.addCurrentItemToHistory();
Main.pref.putCollection("projection.custom.value.history", cbInput.getHistory());
}
}
public static class ParameterInfoDialog extends ExtendedDialog {
/**
* Constructs a new {@code ParameterInfoDialog}.
*/
public ParameterInfoDialog() {
super(null, tr("Parameter information"), new String[] { tr("Close") }, false);
setContent(build());
}
private JComponent build() {
StringBuilder s = new StringBuilder();
s.append("<b>+proj=...</b> - <i>"+tr("Projection name")+"</i><br>");
s.append(" "+tr("Supported values:")+" ");
s.append(listKeys(Projections.projs)+"<br>");
s.append("<b>+lat_0=..., +lat_1=..., +lat_2=...</b> - <i>"+tr("Projection parameters")+"</i><br>");
s.append("<b>+x_0=..., +y_0=...</b> - <i>"+tr("False easting and false northing")+"</i><br>");
s.append("<b>+lon_0=...</b> - <i>"+tr("Central meridian")+"</i><br>");
s.append("<b>+k_0=...</b> - <i>"+tr("Scaling factor")+"</i><br>");
s.append("<b>+ellps=...</b> - <i>"+tr("Ellipsoid name")+"</i><br>");
s.append(" "+tr("Supported values:")+" ");
s.append(listKeys(Projections.ellipsoids)+"<br>");
s.append("<b>+a=..., +b=..., +rf=..., +f=..., +es=...</b> - <i>"+tr("Ellipsoid parameters")+"</i><br>");
s.append("<b>+datum=...</b> - <i>"+tr("Datum name")+"</i><br>");
s.append(" "+tr("Supported values:")+" ");
s.append(listKeys(Projections.datums)+"<br>");
s.append("<b>+towgs84=...</b> - <i>"+tr("3 or 7 term datum transform parameters")+"</i><br>");
s.append("<b>+nadgrids=...</b> - <i>"+tr("NTv2 grid file")+"</i><br>");
s.append(" "+tr("Built-in:")+" ");
s.append(listKeys(Projections.nadgrids)+"<br>");
s.append("<b>+bounds=</b>minlon,minlat,maxlon,maxlat - <i>"+tr("Projection bounds (in degrees)")+"</i><br>");
s.append("<b>+wmssrs=</b>EPSG:123456 - <i>"+tr("WMS SRS (EPSG code)")+"</i><br>");
return new HtmlPanel(s.toString());
}
private String listKeys(Map<String, ?> map) {
List<String> keys = new ArrayList<>(map.keySet());
Collections.sort(keys);
return Utils.join(", ", keys);
}
}
@Override
public void setPreferences(Collection<String> args) {
if (args != null && !args.isEmpty()) {
pref = args.iterator().next();
}
}
@Override
public Projection getProjection() {
return new CustomProjection(pref);
}
@Override
public String getCurrentCode() {
// not needed - getProjection() is overridden
throw new UnsupportedOperationException();
}
@Override
public String getProjectionName() {
// not needed - getProjection() is overridden
throw new UnsupportedOperationException();
}
@Override
public JPanel getPreferencePanel(ActionListener listener) {
return new PreferencePanel(pref, listener);
}
@Override
public Collection<String> getPreferences(JPanel panel) {
if (!(panel instanceof PreferencePanel)) {
throw new IllegalArgumentException();
}
PreferencePanel prefPanel = (PreferencePanel) panel;
String pref = prefPanel.input.getText();
prefPanel.rememberHistory();
return Collections.singleton(pref);
}
@Override
public String[] allCodes() {
return new String[0];
}
@Override
public Collection<String> getPreferencesFromCode(String code) {
return null;
}
@Override
public boolean showProjectionCode() {
return false;
}
@Override
public boolean showProjectionName() {
return false;
}
}