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.BorderLayout;
007 import java.awt.GridBagLayout;
008 import java.awt.Insets;
009 import java.awt.event.ActionEvent;
010 import java.awt.event.ActionListener;
011 import java.util.ArrayList;
012 import java.util.Arrays;
013 import java.util.Collection;
014 import java.util.Collections;
015 import java.util.LinkedList;
016 import java.util.List;
017 import java.util.Map;
018
019 import javax.swing.JButton;
020 import javax.swing.JComponent;
021 import javax.swing.JLabel;
022 import javax.swing.JPanel;
023 import javax.swing.JTextField;
024 import javax.swing.plaf.basic.BasicComboBoxEditor;
025
026 import org.openstreetmap.josm.Main;
027 import org.openstreetmap.josm.data.projection.CustomProjection;
028 import org.openstreetmap.josm.data.projection.Projection;
029 import org.openstreetmap.josm.data.projection.ProjectionConfigurationException;
030 import org.openstreetmap.josm.data.projection.Projections;
031 import org.openstreetmap.josm.gui.ExtendedDialog;
032 import org.openstreetmap.josm.gui.tagging.ac.AutoCompletionListItem;
033 import org.openstreetmap.josm.gui.widgets.AbstractTextComponentValidator;
034 import org.openstreetmap.josm.gui.widgets.HistoryComboBox;
035 import org.openstreetmap.josm.gui.widgets.HtmlPanel;
036 import org.openstreetmap.josm.tools.GBC;
037 import org.openstreetmap.josm.tools.ImageProvider;
038 import org.openstreetmap.josm.tools.Utils;
039
040 public class CustomProjectionChoice extends AbstractProjectionChoice implements SubPrefsOptions {
041
042 private String pref;
043
044 public CustomProjectionChoice() {
045 super(tr("Custom Projection"), "core:custom");
046 }
047
048 private static class PreferencePanel extends JPanel {
049
050 public JTextField input;
051 private HistoryComboBox cbInput;
052
053 public PreferencePanel(String initialText, ActionListener listener) {
054 build(initialText, listener);
055 }
056
057 private void build(String initialText, final ActionListener listener) {
058 input = new JTextField(30);
059 cbInput = new HistoryComboBox();
060 cbInput.setPrototypeDisplayValue(new AutoCompletionListItem("xxxx"));
061 cbInput.setEditor(new BasicComboBoxEditor() {
062 @Override
063 protected JTextField createEditorComponent() {
064 return input;
065 }
066 });
067 Collection<String> samples = Arrays.asList(
068 "+proj=lonlat +ellps=WGS84 +datum=WGS84 +bounds=-180,-90,180,90",
069 "+proj=tmerc +lat_0=0 +lon_0=9 +k_0=1 +x_0=3500000 +y_0=0 +ellps=bessel +nadgrids=BETA2007.gsb");
070 List<String> inputHistory = new LinkedList<String>(Main.pref.getCollection("projection.custom.value.history", samples));
071 Collections.reverse(inputHistory);
072 cbInput.setPossibleItems(inputHistory);
073 cbInput.setText(initialText == null ? "" : initialText);
074
075 final HtmlPanel errorsPanel = new HtmlPanel();
076 errorsPanel.setVisible(false);
077 final JLabel valStatus = new JLabel();
078 valStatus.setVisible(false);
079
080 final AbstractTextComponentValidator val = new AbstractTextComponentValidator(input, false, false, false) {
081
082 private String error;
083
084 @Override
085 public void validate() {
086 if (!isValid()) {
087 feedbackInvalid(tr("Invalid projection configuration: {0}",error));
088 } else {
089 feedbackValid(tr("Projection configuration is valid."));
090 }
091 listener.actionPerformed(null);
092 }
093
094 @Override
095 public boolean isValid() {
096 try {
097 CustomProjection test = new CustomProjection();
098 test.update(input.getText());
099 } catch (ProjectionConfigurationException ex) {
100 error = ex.getMessage();
101 valStatus.setIcon(ImageProvider.get("data", "error.png"));
102 valStatus.setVisible(true);
103 errorsPanel.setText(error);
104 errorsPanel.setVisible(true);
105 return false;
106 }
107 errorsPanel.setVisible(false);
108 valStatus.setIcon(ImageProvider.get("misc", "green_check.png"));
109 valStatus.setVisible(true);
110 return true;
111 }
112
113 };
114
115 JButton btnCheck = new JButton(tr("Validate"));
116 btnCheck.addActionListener(new ActionListener() {
117 @Override
118 public void actionPerformed(ActionEvent e) {
119 val.validate();
120 }
121 });
122 btnCheck.setLayout(new BorderLayout());
123 btnCheck.setMargin(new Insets(-1,0,-1,0));
124
125 JButton btnInfo = new JButton(tr("Parameter information..."));
126 btnInfo.addActionListener(new ActionListener() {
127 @Override
128 public void actionPerformed(ActionEvent e) {
129 CustomProjectionChoice.ParameterInfoDialog dlg = new CustomProjectionChoice.ParameterInfoDialog();
130 dlg.showDialog();
131 dlg.toFront();
132 }
133 });
134
135 this.setLayout(new GridBagLayout());
136 JPanel p2 = new JPanel(new GridBagLayout());
137 p2.add(cbInput, GBC.std().fill(GBC.HORIZONTAL).insets(0, 20, 5, 5));
138 p2.add(btnCheck, GBC.eol().insets(0, 20, 0, 5));
139 this.add(p2, GBC.eol().fill(GBC.HORIZONTAL));
140 p2 = new JPanel(new GridBagLayout());
141 p2.add(valStatus, GBC.std().anchor(GBC.WEST).weight(0.0001, 0));
142 p2.add(errorsPanel, GBC.eol().fill(GBC.HORIZONTAL));
143 this.add(p2, GBC.eol().fill(GBC.HORIZONTAL));
144 p2 = new JPanel(new GridBagLayout());
145 p2.add(btnInfo, GBC.std().insets(0, 20, 0, 0));
146 p2.add(GBC.glue(1, 0), GBC.eol().fill(GBC.HORIZONTAL));
147 this.add(p2, GBC.eol().fill(GBC.HORIZONTAL));
148 }
149
150 public void rememberHistory() {
151 cbInput.addCurrentItemToHistory();
152 Main.pref.putCollection("projection.custom.value.history", cbInput.getHistory());
153 }
154 }
155
156 public static class ParameterInfoDialog extends ExtendedDialog {
157
158 public ParameterInfoDialog() {
159 super(null, tr("Parameter information"), new String[] { tr("Close") }, false);
160 setContent(build());
161 }
162
163 private JComponent build() {
164 StringBuilder s = new StringBuilder();
165 s.append("<b>+proj=...</b> - <i>"+tr("Projection name")+"</i><br>");
166 s.append(" "+tr("Supported values:")+" ");
167 s.append(listKeys(Projections.projs)+"<br>");
168 s.append("<b>+lat_0=..., +lat_1=..., +lat_2=...</b> - <i>"+tr("Projection parameters")+"</i><br>");
169 s.append("<b>+x_0=..., +y_0=...</b> - <i>"+tr("False easting and false northing")+"</i><br>");
170 s.append("<b>+lon_0=...</b> - <i>"+tr("Central meridian")+"</i><br>");
171 s.append("<b>+k_0=...</b> - <i>"+tr("Scaling factor")+"</i><br>");
172 s.append("<b>+ellps=...</b> - <i>"+tr("Ellipsoid name")+"</i><br>");
173 s.append(" "+tr("Supported values:")+" ");
174 s.append(listKeys(Projections.ellipsoids)+"<br>");
175 s.append("<b>+a=..., +b=..., +rf=..., +f=..., +es=...</b> - <i>"+tr("Ellipsoid parameters")+"</i><br>");
176 s.append("<b>+datum=...</b> - <i>"+tr("Datum name")+"</i><br>");
177 s.append(" "+tr("Supported values:")+" ");
178 s.append(listKeys(Projections.datums)+"<br>");
179 s.append("<b>+towgs84=...</b> - <i>"+tr("3 or 7 term datum transform parameters")+"</i><br>");
180 s.append("<b>+nadgrids=...</b> - <i>"+tr("NTv2 grid file")+"</i><br>");
181 s.append(" "+tr("Built-in:")+" ");
182 s.append(listKeys(Projections.nadgrids)+"<br>");
183 s.append("<b>+bounds=</b>minlon,minlat,maxlon,maxlat - <i>"+tr("Projection bounds (in degrees)")+"</i><br>");
184
185 HtmlPanel info = new HtmlPanel(s.toString());
186 return info;
187 }
188
189 private String listKeys(Map<String, ?> map) {
190 List<String> keys = new ArrayList<String>(map.keySet());
191 Collections.sort(keys);
192 return Utils.join(", ", keys);
193 }
194 }
195
196 @Override
197 public void setPreferences(Collection<String> args) {
198 if (args != null && !args.isEmpty()) {
199 pref = args.iterator().next();
200 }
201 }
202
203 @Override
204 public Projection getProjection() {
205 return new CustomProjection(pref);
206 }
207
208 @Override
209 public String getCurrentCode() {
210 // not needed - getProjection() is overridden
211 throw new UnsupportedOperationException();
212 }
213
214 @Override
215 public String getProjectionName() {
216 // not needed - getProjection() is overridden
217 throw new UnsupportedOperationException();
218 }
219
220 @Override
221 public JPanel getPreferencePanel(ActionListener listener) {
222 return new PreferencePanel(pref, listener);
223 }
224
225 @Override
226 public Collection<String> getPreferences(JPanel panel) {
227 PreferencePanel prefPanel = (PreferencePanel) panel;
228 String pref = prefPanel.input.getText();
229 prefPanel.rememberHistory();
230 return Collections.singleton(pref);
231 }
232
233 @Override
234 public String[] allCodes() {
235 return new String[0];
236 }
237
238 @Override
239 public Collection<String> getPreferencesFromCode(String code) {
240 return null;
241 }
242
243 @Override
244 public boolean showProjectionCode() {
245 return false;
246 }
247 }