001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.preferences.projection; 003 004import static org.openstreetmap.josm.data.SystemOfMeasurement.ALL_SYSTEMS; 005import static org.openstreetmap.josm.tools.I18n.tr; 006 007import java.awt.Component; 008import java.awt.GridBagLayout; 009import java.awt.event.ActionListener; 010import java.util.ArrayList; 011import java.util.Collection; 012import java.util.Collections; 013import java.util.HashMap; 014import java.util.List; 015import java.util.Map; 016 017import javax.swing.BorderFactory; 018import javax.swing.JButton; 019import javax.swing.JLabel; 020import javax.swing.JOptionPane; 021import javax.swing.JPanel; 022import javax.swing.JSeparator; 023 024import org.openstreetmap.josm.Main; 025import org.openstreetmap.josm.actions.ExpertToggleAction; 026import org.openstreetmap.josm.data.Bounds; 027import org.openstreetmap.josm.data.SystemOfMeasurement; 028import org.openstreetmap.josm.data.coor.conversion.CoordinateFormatManager; 029import org.openstreetmap.josm.data.coor.conversion.ICoordinateFormat; 030import org.openstreetmap.josm.data.preferences.ListProperty; 031import org.openstreetmap.josm.data.preferences.StringProperty; 032import org.openstreetmap.josm.data.projection.CustomProjection; 033import org.openstreetmap.josm.data.projection.Projection; 034import org.openstreetmap.josm.data.projection.Projections; 035import org.openstreetmap.josm.gui.ExtendedDialog; 036import org.openstreetmap.josm.gui.preferences.PreferenceSetting; 037import org.openstreetmap.josm.gui.preferences.PreferenceSettingFactory; 038import org.openstreetmap.josm.gui.preferences.PreferenceTabbedPane; 039import org.openstreetmap.josm.gui.preferences.SubPreferenceSetting; 040import org.openstreetmap.josm.gui.preferences.TabPreferenceSetting; 041import org.openstreetmap.josm.gui.widgets.JosmComboBox; 042import org.openstreetmap.josm.gui.widgets.VerticallyScrollablePanel; 043import org.openstreetmap.josm.spi.preferences.Config; 044import org.openstreetmap.josm.tools.GBC; 045import org.openstreetmap.josm.tools.JosmRuntimeException; 046import org.openstreetmap.josm.tools.Logging; 047 048/** 049 * Projection preferences. 050 * 051 * How to add new Projections: 052 * - Find EPSG code for the projection. 053 * - Look up the parameter string for Proj4, e.g. on http://spatialreference.org/ 054 * and add it to the file 'data/projection/epsg' in JOSM trunk 055 * - Search for official references and verify the parameter values. These 056 * documents are often available in the local language only. 057 * - Use {@link #registerProjectionChoice}, to make the entry known to JOSM. 058 * 059 * In case there is no EPSG code: 060 * - override {@link AbstractProjectionChoice#getProjection()} and provide 061 * a manual implementation of the projection. Use {@link CustomProjection} 062 * if possible. 063 */ 064public class ProjectionPreference implements SubPreferenceSetting { 065 066 /** 067 * Factory used to create a new {@code ProjectionPreference}. 068 */ 069 public static class Factory implements PreferenceSettingFactory { 070 @Override 071 public PreferenceSetting createPreferenceSetting() { 072 return new ProjectionPreference(); 073 } 074 } 075 076 private static final List<ProjectionChoice> projectionChoices = new ArrayList<>(); 077 private static final Map<String, ProjectionChoice> projectionChoicesById = new HashMap<>(); 078 079 /** 080 * WGS84: Directly use latitude / longitude values as x/y. 081 */ 082 public static final ProjectionChoice wgs84 = registerProjectionChoice(tr("WGS84 Geographic"), "core:wgs84", 4326); 083 084 /** 085 * Mercator Projection. 086 * 087 * The center of the mercator projection is always the 0 grad coordinate. 088 * 089 * See also USGS Bulletin 1532 (http://pubs.usgs.gov/bul/1532/report.pdf) 090 * initially EPSG used 3785 but that has been superseded by 3857, see https://www.epsg-registry.org/ 091 */ 092 public static final ProjectionChoice mercator = registerProjectionChoice(tr("Mercator"), "core:mercator", 3857); 093 094 /** 095 * Lambert conic conform 4 zones using the French geodetic system NTF. 096 * 097 * This newer version uses the grid translation NTF<->RGF93 provided by IGN for a submillimetric accuracy. 098 * (RGF93 is the French geodetic system similar to WGS84 but not mathematically equal) 099 * 100 * Source: http://geodesie.ign.fr/contenu/fichiers/Changement_systeme_geodesique.pdf 101 */ 102 public static final ProjectionChoice lambert = new LambertProjectionChoice(); 103 104 /** 105 * French departements in the Caribbean Sea and Indian Ocean. 106 * 107 * Using the UTM transvers Mercator projection and specific geodesic settings. 108 */ 109 public static final ProjectionChoice utm_france_dom = new UTMFranceDOMProjectionChoice(); 110 111 /** 112 * Lambert Conic Conform 9 Zones projection. 113 * 114 * As specified by the IGN in this document 115 * http://geodesie.ign.fr/contenu/fichiers/documentation/rgf93/cc9zones.pdf 116 */ 117 public static final ProjectionChoice lambert_cc9 = new LambertCC9ZonesProjectionChoice(); 118 119 static { 120 121 /************************ 122 * Global projections. 123 */ 124 125 /** 126 * UTM. 127 */ 128 registerProjectionChoice(new UTMProjectionChoice()); 129 130 /************************ 131 * Regional - alphabetical order by country code. 132 */ 133 134 /** 135 * Belgian Lambert 72 projection. 136 * 137 * As specified by the Belgian IGN in this document: 138 * http://www.ngi.be/Common/Lambert2008/Transformation_Geographic_Lambert_FR.pdf 139 * 140 * @author Don-vip 141 */ 142 registerProjectionChoice(tr("Belgian Lambert 1972"), "core:belgianLambert1972", 31370); // BE 143 144 /** 145 * Belgian Lambert 2008 projection. 146 * 147 * As specified by the Belgian IGN in this document: 148 * http://www.ngi.be/Common/Lambert2008/Transformation_Geographic_Lambert_FR.pdf 149 * 150 * @author Don-vip 151 */ 152 registerProjectionChoice(tr("Belgian Lambert 2008"), "core:belgianLambert2008", 3812); // BE 153 154 /** 155 * SwissGrid CH1903 / L03, see https://en.wikipedia.org/wiki/Swiss_coordinate_system. 156 * 157 * Actually, what we have here, is CH1903+ (EPSG:2056), but without 158 * the additional false easting of 2000km and false northing 1000 km. 159 * 160 * To get to CH1903, a shift file is required. So currently, there are errors 161 * up to 1.6m (depending on the location). 162 */ 163 registerProjectionChoice(new SwissGridProjectionChoice()); // CH 164 165 registerProjectionChoice(new GaussKruegerProjectionChoice()); // DE 166 167 /** 168 * Estonian Coordinate System of 1997. 169 * 170 * Thanks to Johan Montagnat and its geoconv java converter application 171 * (https://www.i3s.unice.fr/~johan/gps/ , published under GPL license) 172 * from which some code and constants have been reused here. 173 */ 174 registerProjectionChoice(tr("Lambert Zone (Estonia)"), "core:lambertest", 3301); // EE 175 176 /** 177 * Lambert conic conform 4 zones using the French geodetic system NTF. 178 * 179 * This newer version uses the grid translation NTF<->RGF93 provided by IGN for a submillimetric accuracy. 180 * (RGF93 is the French geodetic system similar to WGS84 but not mathematically equal) 181 * 182 * Source: http://geodesie.ign.fr/contenu/fichiers/Changement_systeme_geodesique.pdf 183 * @author Pieren 184 */ 185 registerProjectionChoice(lambert); // FR 186 187 /** 188 * Lambert 93 projection. 189 * 190 * As specified by the IGN in this document 191 * http://geodesie.ign.fr/contenu/fichiers/documentation/rgf93/Lambert-93.pdf 192 * @author Don-vip 193 */ 194 registerProjectionChoice(tr("Lambert 93 (France)"), "core:lambert93", 2154); // FR 195 196 /** 197 * Lambert Conic Conform 9 Zones projection. 198 * 199 * As specified by the IGN in this document 200 * http://geodesie.ign.fr/contenu/fichiers/documentation/rgf93/cc9zones.pdf 201 * @author Pieren 202 */ 203 registerProjectionChoice(lambert_cc9); // FR 204 205 /** 206 * French departements in the Caribbean Sea and Indian Ocean. 207 * 208 * Using the UTM transvers Mercator projection and specific geodesic settings. 209 */ 210 registerProjectionChoice(utm_france_dom); // FR 211 212 /** 213 * LKS-92/ Latvia TM projection. 214 * 215 * Based on data from spatialreference.org. 216 * http://spatialreference.org/ref/epsg/3059/ 217 * 218 * @author Viesturs Zarins 219 */ 220 registerProjectionChoice(tr("LKS-92 (Latvia TM)"), "core:tmerclv", 3059); // LV 221 222 /** 223 * Netherlands RD projection 224 * 225 * @author vholten 226 */ 227 registerProjectionChoice(tr("Rijksdriehoekscoördinaten (Netherlands)"), "core:dutchrd", 28992); // NL 228 229 /** 230 * PUWG 1992 and 2000 are the official cordinate systems in Poland. 231 * 232 * They use the same math as UTM only with different constants. 233 * 234 * @author steelman 235 */ 236 registerProjectionChoice(new PuwgProjectionChoice()); // PL 237 238 /** 239 * SWEREF99 13 30 projection. Based on data from spatialreference.org. 240 * http://spatialreference.org/ref/epsg/3008/ 241 * 242 * @author Hanno Hecker 243 */ 244 registerProjectionChoice(tr("SWEREF99 13 30 / EPSG:3008 (Sweden)"), "core:sweref99", 3008); // SE 245 246 /************************ 247 * Projection by Code. 248 */ 249 registerProjectionChoice(new CodeProjectionChoice()); 250 251 /************************ 252 * Custom projection. 253 */ 254 registerProjectionChoice(new CustomProjectionChoice()); 255 } 256 257 public static void registerProjectionChoice(ProjectionChoice c) { 258 projectionChoices.add(c); 259 projectionChoicesById.put(c.getId(), c); 260 for (String code : c.allCodes()) { 261 Projections.registerProjectionSupplier(code, () -> { 262 Collection<String> pref = c.getPreferencesFromCode(code); 263 c.setPreferences(pref); 264 try { 265 return c.getProjection(); 266 } catch (JosmRuntimeException | IllegalArgumentException | IllegalStateException e) { 267 Logging.log(Logging.LEVEL_WARN, "Unable to get projection "+code+" with "+c+':', e); 268 return null; 269 } 270 }); 271 } 272 } 273 274 /** 275 * Registers a new projection choice. 276 * @param name short name of the projection choice as shown in the GUI 277 * @param id short name of the projection choice as shown in the GUI 278 * @param epsg the unique numeric EPSG identifier for the projection 279 * @return the registered {@link ProjectionChoice} 280 */ 281 private static ProjectionChoice registerProjectionChoice(String name, String id, Integer epsg) { 282 ProjectionChoice pc = new SingleProjectionChoice(name, id, "EPSG:"+epsg); 283 registerProjectionChoice(pc); 284 return pc; 285 } 286 287 public static List<ProjectionChoice> getProjectionChoices() { 288 return Collections.unmodifiableList(projectionChoices); 289 } 290 291 private static String projectionChoice; 292 293 private static final StringProperty PROP_PROJECTION_DEFAULT = new StringProperty("projection.default", mercator.getId()); 294 private static final StringProperty PROP_COORDINATES = new StringProperty("coordinates", null); 295 private static final ListProperty PROP_SUB_PROJECTION_DEFAULT = new ListProperty("projection.default.sub", null); 296 private static final String[] unitsValues = ALL_SYSTEMS.keySet().toArray(new String[ALL_SYSTEMS.size()]); 297 private static final String[] unitsValuesTr = new String[unitsValues.length]; 298 static { 299 for (int i = 0; i < unitsValues.length; ++i) { 300 unitsValuesTr[i] = tr(unitsValues[i]); 301 } 302 } 303 304 /** 305 * Combobox with all projections available 306 */ 307 private final JosmComboBox<ProjectionChoice> projectionCombo; 308 309 /** 310 * Combobox with all coordinate display possibilities 311 */ 312 private final JosmComboBox<ICoordinateFormat> coordinatesCombo; 313 314 private final JosmComboBox<String> unitsCombo = new JosmComboBox<>(unitsValuesTr); 315 316 /** 317 * This variable holds the JPanel with the projection's preferences. If the 318 * selected projection does not implement this, it will be set to an empty 319 * Panel. 320 */ 321 private JPanel projSubPrefPanel; 322 private final JPanel projSubPrefPanelWrapper = new JPanel(new GridBagLayout()); 323 324 private final JLabel projectionCodeLabel = new JLabel(tr("Projection code")); 325 private final Component projectionCodeGlue = GBC.glue(5, 0); 326 private final JLabel projectionCode = new JLabel(); 327 private final JLabel projectionNameLabel = new JLabel(tr("Projection name")); 328 private final Component projectionNameGlue = GBC.glue(5, 0); 329 private final JLabel projectionName = new JLabel(); 330 private final JLabel bounds = new JLabel(); 331 332 /** 333 * This is the panel holding all projection preferences 334 */ 335 private final VerticallyScrollablePanel projPanel = new VerticallyScrollablePanel(new GridBagLayout()); 336 337 /** 338 * The GridBagConstraints for the Panel containing the ProjectionSubPrefs. 339 * This is required twice in the code, creating it here keeps both occurrences 340 * in sync 341 */ 342 private static final GBC projSubPrefPanelGBC = GBC.std().fill(GBC.BOTH).weight(1.0, 1.0); 343 344 public ProjectionPreference() { 345 this.projectionCombo = new JosmComboBox<>( 346 projectionChoices.toArray(new ProjectionChoice[0])); 347 this.coordinatesCombo = new JosmComboBox<>( 348 CoordinateFormatManager.getCoordinateFormats().toArray(new ICoordinateFormat[0])); 349 } 350 351 @Override 352 public void addGui(PreferenceTabbedPane gui) { 353 final ProjectionChoice pc = setupProjectionCombo(); 354 355 for (int i = 0; i < coordinatesCombo.getItemCount(); ++i) { 356 if (coordinatesCombo.getItemAt(i).getId().equals(PROP_COORDINATES.get())) { 357 coordinatesCombo.setSelectedIndex(i); 358 break; 359 } 360 } 361 362 for (int i = 0; i < unitsValues.length; ++i) { 363 if (unitsValues[i].equals(SystemOfMeasurement.PROP_SYSTEM_OF_MEASUREMENT.get())) { 364 unitsCombo.setSelectedIndex(i); 365 break; 366 } 367 } 368 369 projPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0)); 370 projPanel.add(new JLabel(tr("Projection method")), GBC.std().insets(5, 5, 0, 5)); 371 projPanel.add(GBC.glue(5, 0), GBC.std().fill(GBC.HORIZONTAL)); 372 projPanel.add(projectionCombo, GBC.eop().fill(GBC.HORIZONTAL).insets(0, 5, 5, 5)); 373 projPanel.add(projectionCodeLabel, GBC.std().insets(25, 5, 0, 5)); 374 projPanel.add(projectionCodeGlue, GBC.std().fill(GBC.HORIZONTAL)); 375 projPanel.add(projectionCode, GBC.eop().fill(GBC.HORIZONTAL).insets(0, 5, 5, 5)); 376 projPanel.add(projectionNameLabel, GBC.std().insets(25, 5, 0, 5)); 377 projPanel.add(projectionNameGlue, GBC.std().fill(GBC.HORIZONTAL)); 378 projPanel.add(projectionName, GBC.eop().fill(GBC.HORIZONTAL).insets(0, 5, 5, 5)); 379 projPanel.add(new JLabel(tr("Bounds")), GBC.std().insets(25, 5, 0, 5)); 380 projPanel.add(GBC.glue(5, 0), GBC.std().fill(GBC.HORIZONTAL)); 381 projPanel.add(bounds, GBC.eop().fill(GBC.HORIZONTAL).insets(0, 5, 5, 5)); 382 projPanel.add(projSubPrefPanelWrapper, GBC.eol().fill(GBC.HORIZONTAL).insets(20, 5, 5, 5)); 383 384 projectionCodeLabel.setLabelFor(projectionCode); 385 projectionNameLabel.setLabelFor(projectionName); 386 387 JButton btnSetAsDefault = new JButton(tr("Set as default")); 388 projPanel.add(btnSetAsDefault, GBC.eol().insets(5, 10, 5, 5)); 389 btnSetAsDefault.addActionListener(e -> { 390 ProjectionChoice pc2 = (ProjectionChoice) projectionCombo.getSelectedItem(); 391 String id = pc2.getId(); 392 Collection<String> prefs = pc2.getPreferences(projSubPrefPanel); 393 setProjection(id, prefs, true); 394 pc2.setPreferences(prefs); 395 Projection proj = pc2.getProjection(); 396 new ExtendedDialog(gui, tr("Default projection"), tr("OK")) 397 .setButtonIcons("ok") 398 .setIcon(JOptionPane.INFORMATION_MESSAGE) 399 .setContent(tr("Default projection has been set to ''{0}''", proj.toCode())) 400 .showDialog(); 401 }); 402 ExpertToggleAction.addVisibilitySwitcher(btnSetAsDefault); 403 404 projPanel.add(new JSeparator(), GBC.eol().fill(GBC.HORIZONTAL).insets(0, 5, 0, 10)); 405 projPanel.add(new JLabel(tr("Display coordinates as")), GBC.std().insets(5, 5, 0, 5)); 406 projPanel.add(GBC.glue(5, 0), GBC.std().fill(GBC.HORIZONTAL)); 407 projPanel.add(coordinatesCombo, GBC.eop().fill(GBC.HORIZONTAL).insets(0, 5, 5, 5)); 408 projPanel.add(new JLabel(tr("System of measurement")), GBC.std().insets(5, 5, 0, 5)); 409 projPanel.add(GBC.glue(5, 0), GBC.std().fill(GBC.HORIZONTAL)); 410 projPanel.add(unitsCombo, GBC.eop().fill(GBC.HORIZONTAL).insets(0, 5, 5, 5)); 411 projPanel.add(GBC.glue(1, 1), GBC.std().fill(GBC.HORIZONTAL).weight(1.0, 1.0)); 412 413 gui.getMapPreference().addSubTab(this, tr("Map Projection"), projPanel.getVerticalScrollPane()); 414 415 selectedProjectionChanged(pc); 416 } 417 418 private void updateMeta(ProjectionChoice pc) { 419 pc.setPreferences(pc.getPreferences(projSubPrefPanel)); 420 Projection proj = pc.getProjection(); 421 projectionCode.setText(proj.toCode()); 422 projectionName.setText(proj.toString()); 423 Bounds b = proj.getWorldBoundsLatLon(); 424 ICoordinateFormat cf = CoordinateFormatManager.getDefaultFormat(); 425 bounds.setText(cf.lonToString(b.getMin()) + ", " + cf.latToString(b.getMin()) + " : " + 426 cf.lonToString(b.getMax()) + ", " + cf.latToString(b.getMax())); 427 boolean showCode = true; 428 boolean showName = false; 429 if (pc instanceof SubPrefsOptions) { 430 showCode = ((SubPrefsOptions) pc).showProjectionCode(); 431 showName = ((SubPrefsOptions) pc).showProjectionName(); 432 } 433 projectionCodeLabel.setVisible(showCode); 434 projectionCodeGlue.setVisible(showCode); 435 projectionCode.setVisible(showCode); 436 projectionNameLabel.setVisible(showName); 437 projectionNameGlue.setVisible(showName); 438 projectionName.setVisible(showName); 439 } 440 441 @Override 442 public boolean ok() { 443 ProjectionChoice pc = (ProjectionChoice) projectionCombo.getSelectedItem(); 444 445 String id = pc.getId(); 446 Collection<String> prefs = pc.getPreferences(projSubPrefPanel); 447 448 setProjection(id, prefs, false); 449 450 if (PROP_COORDINATES.put(((ICoordinateFormat) coordinatesCombo.getSelectedItem()).getId())) { 451 CoordinateFormatManager.setCoordinateFormat((ICoordinateFormat) coordinatesCombo.getSelectedItem()); 452 } 453 454 int i = unitsCombo.getSelectedIndex(); 455 SystemOfMeasurement.setSystemOfMeasurement(unitsValues[i]); 456 457 return false; 458 } 459 460 public static void setProjection() { 461 setProjection(PROP_PROJECTION_DEFAULT.get(), PROP_SUB_PROJECTION_DEFAULT.get(), false); 462 } 463 464 /** 465 * Set projection. 466 * @param id id of the selected projection choice 467 * @param pref the configuration for the selected projection choice 468 * @param makeDefault true, if it is to be set as permanent default 469 * false, if it is to be set for the current session 470 * @since 12306 471 */ 472 public static void setProjection(String id, Collection<String> pref, boolean makeDefault) { 473 ProjectionChoice pc = projectionChoicesById.get(id); 474 475 if (pc == null) { 476 JOptionPane.showMessageDialog( 477 Main.parent, 478 tr("The projection {0} could not be activated. Using Mercator", id), 479 tr("Error"), 480 JOptionPane.ERROR_MESSAGE 481 ); 482 pref = null; 483 pc = mercator; 484 } 485 id = pc.getId(); 486 Config.getPref().putList("projection.sub."+id, pref == null ? null : new ArrayList<>(pref)); 487 if (makeDefault) { 488 PROP_PROJECTION_DEFAULT.put(id); 489 PROP_SUB_PROJECTION_DEFAULT.put(pref == null ? null : new ArrayList<>(pref)); 490 } else { 491 projectionChoice = id; 492 } 493 pc.setPreferences(pref); 494 Projection proj = pc.getProjection(); 495 Main.setProjection(proj); 496 } 497 498 /** 499 * Handles all the work related to update the projection-specific 500 * preferences 501 * @param pc the choice class representing user selection 502 */ 503 private void selectedProjectionChanged(final ProjectionChoice pc) { 504 // Don't try to update if we're still starting up 505 int size = projPanel.getComponentCount(); 506 if (size < 1) 507 return; 508 509 final ActionListener listener = e -> updateMeta(pc); 510 511 // Replace old panel with new one 512 projSubPrefPanelWrapper.removeAll(); 513 projSubPrefPanel = pc.getPreferencePanel(listener); 514 projSubPrefPanelWrapper.add(projSubPrefPanel, projSubPrefPanelGBC); 515 projPanel.revalidate(); 516 projSubPrefPanel.repaint(); 517 updateMeta(pc); 518 } 519 520 /** 521 * Sets up projection combobox with default values and action listener 522 * @return the choice class for user selection 523 */ 524 private ProjectionChoice setupProjectionCombo() { 525 String pcId = getCurrentProjectionChoiceId(); 526 ProjectionChoice pc = null; 527 for (int i = 0; i < projectionCombo.getItemCount(); ++i) { 528 ProjectionChoice pc1 = projectionCombo.getItemAt(i); 529 pc1.setPreferences(getSubprojectionPreference(pc1.getId())); 530 if (pc1.getId().equals(pcId)) { 531 projectionCombo.setSelectedIndex(i); 532 selectedProjectionChanged(pc1); 533 pc = pc1; 534 } 535 } 536 // If the ProjectionChoice from the preferences is not available, it 537 // should have been set to Mercator at JOSM start. 538 if (pc == null) 539 throw new JosmRuntimeException("Couldn't find the current projection in the list of available projections!"); 540 541 projectionCombo.addActionListener(e -> { 542 ProjectionChoice pc1 = (ProjectionChoice) projectionCombo.getSelectedItem(); 543 selectedProjectionChanged(pc1); 544 }); 545 return pc; 546 } 547 548 /** 549 * Get the id of the projection choice that is currently set. 550 * @return id of the projection choice that is currently set 551 */ 552 public static String getCurrentProjectionChoiceId() { 553 return projectionChoice != null ? projectionChoice : PROP_PROJECTION_DEFAULT.get(); 554 } 555 556 /** 557 * Get the preferences that have been selected the last time for the given 558 * projection choice. 559 * @param pcId id of the projection choice 560 * @return projection choice parameters that have been selected by the user 561 * the last time; null if user has never selected the given projection choice 562 */ 563 public static Collection<String> getSubprojectionPreference(String pcId) { 564 return Config.getPref().getList("projection.sub."+pcId, null); 565 } 566 567 @Override 568 public boolean isExpert() { 569 return false; 570 } 571 572 @Override 573 public TabPreferenceSetting getTabPreferenceSetting(final PreferenceTabbedPane gui) { 574 return gui.getMapPreference(); 575 } 576 577 /** 578 * Selects the given projection. 579 * @param projection The projection to select. 580 * @since 5604 581 */ 582 public void selectProjection(ProjectionChoice projection) { 583 if (projectionCombo != null && projection != null) { 584 projectionCombo.setSelectedItem(projection); 585 } 586 } 587}