001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.actions.mapmode; 003 004import static org.openstreetmap.josm.gui.help.HelpUtil.ht; 005import static org.openstreetmap.josm.tools.I18n.marktr; 006import static org.openstreetmap.josm.tools.I18n.tr; 007 008import java.awt.BasicStroke; 009import java.awt.Color; 010import java.awt.Cursor; 011import java.awt.Graphics2D; 012import java.awt.Point; 013import java.awt.event.KeyEvent; 014import java.awt.event.MouseEvent; 015import java.util.Collection; 016import java.util.Collections; 017import java.util.EnumMap; 018import java.util.EnumSet; 019import java.util.LinkedHashSet; 020import java.util.Map; 021import java.util.Optional; 022import java.util.Set; 023import java.util.stream.Stream; 024 025import javax.swing.JOptionPane; 026 027import org.openstreetmap.josm.data.Bounds; 028import org.openstreetmap.josm.data.SystemOfMeasurement; 029import org.openstreetmap.josm.data.coor.EastNorth; 030import org.openstreetmap.josm.data.osm.Node; 031import org.openstreetmap.josm.data.osm.OsmPrimitive; 032import org.openstreetmap.josm.data.osm.Way; 033import org.openstreetmap.josm.data.osm.WaySegment; 034import org.openstreetmap.josm.data.preferences.AbstractToStringProperty; 035import org.openstreetmap.josm.data.preferences.BooleanProperty; 036import org.openstreetmap.josm.data.preferences.CachingProperty; 037import org.openstreetmap.josm.data.preferences.DoubleProperty; 038import org.openstreetmap.josm.data.preferences.IntegerProperty; 039import org.openstreetmap.josm.data.preferences.NamedColorProperty; 040import org.openstreetmap.josm.data.preferences.StrokeProperty; 041import org.openstreetmap.josm.gui.MainApplication; 042import org.openstreetmap.josm.gui.MapFrame; 043import org.openstreetmap.josm.gui.MapView; 044import org.openstreetmap.josm.gui.Notification; 045import org.openstreetmap.josm.gui.draw.MapViewPath; 046import org.openstreetmap.josm.gui.layer.AbstractMapViewPaintable; 047import org.openstreetmap.josm.gui.layer.Layer; 048import org.openstreetmap.josm.gui.util.ModifierExListener; 049import org.openstreetmap.josm.tools.CheckParameterUtil; 050import org.openstreetmap.josm.tools.Geometry; 051import org.openstreetmap.josm.tools.ImageProvider; 052import org.openstreetmap.josm.tools.Logging; 053import org.openstreetmap.josm.tools.Shortcut; 054 055/** 056 * MapMode for making parallel ways. 057 * 058 * All calculations are done in projected coordinates. 059 * 060 * TODO: 061 * == Functionality == 062 * 063 * 1. Use selected nodes as split points for the selected ways. 064 * 065 * The ways containing the selected nodes will be split and only the "inner" 066 * parts will be copied 067 * 068 * 2. Enter exact offset 069 * 070 * 3. Improve snapping 071 * 072 * 4. Visual cues could be better 073 * 074 * 5. (long term) Parallelize and adjust offsets of existing ways 075 * 076 * == Code quality == 077 * 078 * a) The mode, flags, and modifiers might be updated more than necessary. 079 * 080 * Not a performance problem, but better if they where more centralized 081 * 082 * b) Extract generic MapMode services into a super class and/or utility class 083 * 084 * c) Maybe better to simply draw our own source way highlighting? 085 * 086 * Current code doesn't not take into account that ways might been highlighted 087 * by other than us. Don't think that situation should ever happen though. 088 * 089 * @author Ole Jørgen Brønner (olejorgenb) 090 */ 091public class ParallelWayAction extends MapMode implements ModifierExListener { 092 093 private static final CachingProperty<BasicStroke> HELPER_LINE_STROKE = new StrokeProperty(prefKey("stroke.hepler-line"), "1").cached(); 094 private static final CachingProperty<BasicStroke> REF_LINE_STROKE = new StrokeProperty(prefKey("stroke.ref-line"), "2 2 3").cached(); 095 096 // @formatter:off 097 // CHECKSTYLE.OFF: SingleSpaceSeparator 098 private static final CachingProperty<Double> SNAP_THRESHOLD = new DoubleProperty(prefKey("snap-threshold-percent"), 0.70).cached(); 099 private static final CachingProperty<Boolean> SNAP_DEFAULT = new BooleanProperty(prefKey("snap-default"), true).cached(); 100 private static final CachingProperty<Boolean> COPY_TAGS_DEFAULT = new BooleanProperty(prefKey("copy-tags-default"), true).cached(); 101 private static final CachingProperty<Integer> INITIAL_MOVE_DELAY = new IntegerProperty(prefKey("initial-move-delay"), 200).cached(); 102 private static final CachingProperty<Double> SNAP_DISTANCE_METRIC = new DoubleProperty(prefKey("snap-distance-metric"), 0.5).cached(); 103 private static final CachingProperty<Double> SNAP_DISTANCE_IMPERIAL = new DoubleProperty(prefKey("snap-distance-imperial"), 1).cached(); 104 private static final CachingProperty<Double> SNAP_DISTANCE_CHINESE = new DoubleProperty(prefKey("snap-distance-chinese"), 1).cached(); 105 private static final CachingProperty<Double> SNAP_DISTANCE_NAUTICAL = new DoubleProperty(prefKey("snap-distance-nautical"), 0.1).cached(); 106 private static final CachingProperty<Color> MAIN_COLOR = new NamedColorProperty(marktr("make parallel helper line"), Color.RED).cached(); 107 108 private static final CachingProperty<Map<Modifier, Boolean>> SNAP_MODIFIER_COMBO 109 = new KeyboardModifiersProperty(prefKey("snap-modifier-combo"), "?sC").cached(); 110 private static final CachingProperty<Map<Modifier, Boolean>> COPY_TAGS_MODIFIER_COMBO 111 = new KeyboardModifiersProperty(prefKey("copy-tags-modifier-combo"), "As?").cached(); 112 private static final CachingProperty<Map<Modifier, Boolean>> ADD_TO_SELECTION_MODIFIER_COMBO 113 = new KeyboardModifiersProperty(prefKey("add-to-selection-modifier-combo"), "aSc").cached(); 114 private static final CachingProperty<Map<Modifier, Boolean>> TOGGLE_SELECTED_MODIFIER_COMBO 115 = new KeyboardModifiersProperty(prefKey("toggle-selection-modifier-combo"), "asC").cached(); 116 private static final CachingProperty<Map<Modifier, Boolean>> SET_SELECTED_MODIFIER_COMBO 117 = new KeyboardModifiersProperty(prefKey("set-selection-modifier-combo"), "asc").cached(); 118 // CHECKSTYLE.ON: SingleSpaceSeparator 119 // @formatter:on 120 121 enum Mode { 122 DRAGGING, NORMAL 123 } 124 125 //// Preferences and flags 126 // See updateModeLocalPreferences for defaults 127 private Mode mode; 128 private boolean copyTags; 129 130 private boolean snap; 131 132 private final MapView mv; 133 134 // Mouse tracking state 135 private Point mousePressedPos; 136 private boolean mouseIsDown; 137 private long mousePressedTime; 138 private boolean mouseHasBeenDragged; 139 140 private transient WaySegment referenceSegment; 141 private transient ParallelWays pWays; 142 private transient Set<Way> sourceWays; 143 private EastNorth helperLineStart; 144 private EastNorth helperLineEnd; 145 146 private final ParallelWayLayer temporaryLayer = new ParallelWayLayer(); 147 148 /** 149 * Constructs a new {@code ParallelWayAction}. 150 * @param mapFrame Map frame 151 */ 152 public ParallelWayAction(MapFrame mapFrame) { 153 super(tr("Parallel"), "parallel", tr("Make parallel copies of ways"), 154 Shortcut.registerShortcut("mapmode:parallel", tr("Mode: {0}", 155 tr("Parallel")), KeyEvent.VK_P, Shortcut.SHIFT), 156 ImageProvider.getCursor("normal", "parallel")); 157 putValue("help", ht("/Action/Parallel")); 158 mv = mapFrame.mapView; 159 } 160 161 @Override 162 public void enterMode() { 163 // super.enterMode() updates the status line and cursor so we need our state to be set correctly 164 setMode(Mode.NORMAL); 165 pWays = null; 166 167 super.enterMode(); 168 169 mv.addMouseListener(this); 170 mv.addMouseMotionListener(this); 171 mv.addTemporaryLayer(temporaryLayer); 172 173 // Needed to update the mouse cursor if modifiers are changed when the mouse is motionless 174 MainApplication.getMap().keyDetector.addModifierExListener(this); 175 sourceWays = new LinkedHashSet<>(getLayerManager().getEditDataSet().getSelectedWays()); 176 for (Way w : sourceWays) { 177 w.setHighlighted(true); 178 } 179 } 180 181 @Override 182 public void exitMode() { 183 super.exitMode(); 184 mv.removeMouseListener(this); 185 mv.removeMouseMotionListener(this); 186 mv.removeTemporaryLayer(temporaryLayer); 187 MapFrame map = MainApplication.getMap(); 188 map.statusLine.setDist(-1); 189 map.statusLine.repaint(); 190 map.keyDetector.removeModifierExListener(this); 191 removeWayHighlighting(sourceWays); 192 pWays = null; 193 sourceWays = null; 194 referenceSegment = null; 195 } 196 197 @Override 198 public String getModeHelpText() { 199 // TODO: add more detailed feedback based on modifier state. 200 // TODO: dynamic messages based on preferences. (Could be problematic translation wise) 201 switch (mode) { 202 case NORMAL: 203 // CHECKSTYLE.OFF: LineLength 204 return tr("Select ways as in Select mode. Drag selected ways or a single way to create a parallel copy (Alt toggles tag preservation)"); 205 // CHECKSTYLE.ON: LineLength 206 case DRAGGING: 207 return tr("Hold Ctrl to toggle snapping"); 208 } 209 return ""; // impossible .. 210 } 211 212 @Override 213 public boolean layerIsSupported(Layer l) { 214 return isEditableDataLayer(l); 215 } 216 217 @Override 218 public void modifiersExChanged(int modifiers) { 219 if (MainApplication.getMap() == null || mv == null || !mv.isActiveLayerDrawable()) 220 return; 221 222 // Should only get InputEvents due to the mask in enterMode 223 if (updateModifiersState(modifiers)) { 224 updateStatusLine(); 225 updateCursor(); 226 } 227 } 228 229 private boolean updateModifiersState(int modifiers) { 230 boolean oldAlt = alt, oldShift = shift, oldCtrl = ctrl; 231 updateKeyModifiersEx(modifiers); 232 return oldAlt != alt || oldShift != shift || oldCtrl != ctrl; 233 } 234 235 private void updateCursor() { 236 Cursor newCursor = null; 237 switch (mode) { 238 case NORMAL: 239 if (matchesCurrentModifiers(SET_SELECTED_MODIFIER_COMBO)) { 240 newCursor = ImageProvider.getCursor("normal", "parallel"); 241 } else if (matchesCurrentModifiers(ADD_TO_SELECTION_MODIFIER_COMBO)) { 242 newCursor = ImageProvider.getCursor("normal", "parallel_add"); 243 } else if (matchesCurrentModifiers(TOGGLE_SELECTED_MODIFIER_COMBO)) { 244 newCursor = ImageProvider.getCursor("normal", "parallel_remove"); 245 } 246 break; 247 case DRAGGING: 248 newCursor = Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR); 249 break; 250 default: throw new AssertionError(); 251 } 252 if (newCursor != null) { 253 mv.setNewCursor(newCursor, this); 254 } 255 } 256 257 private void setMode(Mode mode) { 258 this.mode = mode; 259 updateCursor(); 260 updateStatusLine(); 261 } 262 263 private boolean sanityCheck() { 264 // @formatter:off 265 boolean areWeSane = 266 mv.isActiveLayerVisible() && 267 mv.isActiveLayerDrawable() && 268 ((Boolean) this.getValue("active")); 269 // @formatter:on 270 assert areWeSane; // mad == bad 271 return areWeSane; 272 } 273 274 @Override 275 public void mousePressed(MouseEvent e) { 276 requestFocusInMapView(); 277 updateModifiersState(e.getModifiersEx()); 278 // Other buttons are off limit, but we still get events. 279 if (e.getButton() != MouseEvent.BUTTON1) 280 return; 281 282 if (!sanityCheck()) 283 return; 284 285 updateFlagsOnlyChangeableOnPress(); 286 updateFlagsChangeableAlways(); 287 288 // Since the created way is left selected, we need to unselect again here 289 if (pWays != null && pWays.getWays() != null) { 290 getLayerManager().getEditDataSet().clearSelection(pWays.getWays()); 291 pWays = null; 292 } 293 294 mouseIsDown = true; 295 mousePressedPos = e.getPoint(); 296 mousePressedTime = System.currentTimeMillis(); 297 298 } 299 300 @Override 301 public void mouseReleased(MouseEvent e) { 302 updateModifiersState(e.getModifiersEx()); 303 // Other buttons are off limit, but we still get events. 304 if (e.getButton() != MouseEvent.BUTTON1) 305 return; 306 307 if (!mouseHasBeenDragged) { 308 // use point from press or click event? (or are these always the same) 309 Way nearestWay = mv.getNearestWay(e.getPoint(), OsmPrimitive::isSelectable); 310 if (nearestWay == null) { 311 if (matchesCurrentModifiers(SET_SELECTED_MODIFIER_COMBO)) { 312 clearSourceWays(); 313 } 314 resetMouseTrackingState(); 315 return; 316 } 317 boolean isSelected = nearestWay.isSelected(); 318 if (matchesCurrentModifiers(ADD_TO_SELECTION_MODIFIER_COMBO)) { 319 if (!isSelected) { 320 addSourceWay(nearestWay); 321 } 322 } else if (matchesCurrentModifiers(TOGGLE_SELECTED_MODIFIER_COMBO)) { 323 if (isSelected) { 324 removeSourceWay(nearestWay); 325 } else { 326 addSourceWay(nearestWay); 327 } 328 } else if (matchesCurrentModifiers(SET_SELECTED_MODIFIER_COMBO)) { 329 clearSourceWays(); 330 addSourceWay(nearestWay); 331 } // else -> invalid modifier combination 332 } else if (mode == Mode.DRAGGING) { 333 clearSourceWays(); 334 } 335 336 setMode(Mode.NORMAL); 337 resetMouseTrackingState(); 338 temporaryLayer.invalidate(); 339 } 340 341 private static void removeWayHighlighting(Collection<Way> ways) { 342 if (ways == null) 343 return; 344 for (Way w : ways) { 345 w.setHighlighted(false); 346 } 347 } 348 349 @Override 350 public void mouseDragged(MouseEvent e) { 351 // WTF.. the event passed here doesn't have button info? 352 // Since we get this event from other buttons too, we must check that 353 // _BUTTON1_ is down. 354 if (!mouseIsDown) 355 return; 356 357 boolean modifiersChanged = updateModifiersState(e.getModifiersEx()); 358 updateFlagsChangeableAlways(); 359 360 if (modifiersChanged) { 361 // Since this could be remotely slow, do it conditionally 362 updateStatusLine(); 363 updateCursor(); 364 } 365 366 if ((System.currentTimeMillis() - mousePressedTime) < INITIAL_MOVE_DELAY.get()) 367 return; 368 // Assuming this event only is emitted when the mouse has moved 369 // Setting this after the check above means we tolerate clicks with some movement 370 mouseHasBeenDragged = true; 371 372 if (mode == Mode.NORMAL) { 373 // Should we ensure that the copyTags modifiers are still valid? 374 375 // Important to use mouse position from the press, since the drag 376 // event can come quite late 377 if (!isModifiersValidForDragMode()) 378 return; 379 if (!initParallelWays(mousePressedPos, copyTags)) 380 return; 381 setMode(Mode.DRAGGING); 382 } 383 384 // Calculate distance to the reference line 385 Point p = e.getPoint(); 386 EastNorth enp = mv.getEastNorth((int) p.getX(), (int) p.getY()); 387 EastNorth nearestPointOnRefLine = Geometry.closestPointToLine(referenceSegment.getFirstNode().getEastNorth(), 388 referenceSegment.getSecondNode().getEastNorth(), enp); 389 390 // Note: d is the distance in _projected units_ 391 double d = enp.distance(nearestPointOnRefLine); 392 double realD = mv.getProjection().eastNorth2latlon(enp).greatCircleDistance(mv.getProjection().eastNorth2latlon(nearestPointOnRefLine)); 393 double snappedRealD = realD; 394 395 boolean toTheRight = Geometry.angleIsClockwise( 396 referenceSegment.getFirstNode(), referenceSegment.getSecondNode(), new Node(enp)); 397 398 if (snap) { 399 // TODO: Very simple snapping 400 // - Snap steps relative to the distance? 401 double snapDistance; 402 SystemOfMeasurement som = SystemOfMeasurement.getSystemOfMeasurement(); 403 if (som.equals(SystemOfMeasurement.CHINESE)) { 404 snapDistance = SNAP_DISTANCE_CHINESE.get() * SystemOfMeasurement.CHINESE.aValue; 405 } else if (som.equals(SystemOfMeasurement.IMPERIAL)) { 406 snapDistance = SNAP_DISTANCE_IMPERIAL.get() * SystemOfMeasurement.IMPERIAL.aValue; 407 } else if (som.equals(SystemOfMeasurement.NAUTICAL_MILE)) { 408 snapDistance = SNAP_DISTANCE_NAUTICAL.get() * SystemOfMeasurement.NAUTICAL_MILE.aValue; 409 } else { 410 snapDistance = SNAP_DISTANCE_METRIC.get(); // Metric system by default 411 } 412 double closestWholeUnit; 413 double modulo = realD % snapDistance; 414 if (modulo < snapDistance/2.0) { 415 closestWholeUnit = realD - modulo; 416 } else { 417 closestWholeUnit = realD + (snapDistance-modulo); 418 } 419 if (Math.abs(closestWholeUnit - realD) < (SNAP_THRESHOLD.get() * snapDistance)) { 420 snappedRealD = closestWholeUnit; 421 } else { 422 snappedRealD = closestWholeUnit + Math.signum(realD - closestWholeUnit) * snapDistance; 423 } 424 } 425 d = snappedRealD * (d/realD); // convert back to projected distance. (probably ok on small scales) 426 helperLineStart = nearestPointOnRefLine; 427 helperLineEnd = enp; 428 if (toTheRight) { 429 d = -d; 430 } 431 pWays.changeOffset(d); 432 433 MapFrame map = MainApplication.getMap(); 434 map.statusLine.setDist(Math.abs(snappedRealD)); 435 map.statusLine.repaint(); 436 temporaryLayer.invalidate(); 437 } 438 439 private boolean matchesCurrentModifiers(CachingProperty<Map<Modifier, Boolean>> spec) { 440 return matchesCurrentModifiers(spec.get()); 441 } 442 443 private boolean matchesCurrentModifiers(Map<Modifier, Boolean> spec) { 444 EnumSet<Modifier> modifiers = EnumSet.noneOf(Modifier.class); 445 if (ctrl) { 446 modifiers.add(Modifier.CTRL); 447 } 448 if (alt) { 449 modifiers.add(Modifier.ALT); 450 } 451 if (shift) { 452 modifiers.add(Modifier.SHIFT); 453 } 454 return spec.entrySet().stream().allMatch(entry -> modifiers.contains(entry.getKey()) == entry.getValue().booleanValue()); 455 } 456 457 private boolean isModifiersValidForDragMode() { 458 return (!alt && !shift && !ctrl) || matchesCurrentModifiers(SNAP_MODIFIER_COMBO) 459 || matchesCurrentModifiers(COPY_TAGS_MODIFIER_COMBO); 460 } 461 462 private void updateFlagsOnlyChangeableOnPress() { 463 copyTags = COPY_TAGS_DEFAULT.get().booleanValue() != matchesCurrentModifiers(COPY_TAGS_MODIFIER_COMBO); 464 } 465 466 private void updateFlagsChangeableAlways() { 467 snap = SNAP_DEFAULT.get().booleanValue() != matchesCurrentModifiers(SNAP_MODIFIER_COMBO); 468 } 469 470 // We keep the source ways and the selection in sync so the user can see the source way's tags 471 private void addSourceWay(Way w) { 472 assert sourceWays != null; 473 getLayerManager().getEditDataSet().addSelected(w); 474 w.setHighlighted(true); 475 sourceWays.add(w); 476 } 477 478 private void removeSourceWay(Way w) { 479 assert sourceWays != null; 480 getLayerManager().getEditDataSet().clearSelection(w); 481 w.setHighlighted(false); 482 sourceWays.remove(w); 483 } 484 485 private void clearSourceWays() { 486 assert sourceWays != null; 487 getLayerManager().getEditDataSet().clearSelection(sourceWays); 488 for (Way w : sourceWays) { 489 w.setHighlighted(false); 490 } 491 sourceWays.clear(); 492 } 493 494 private void resetMouseTrackingState() { 495 mouseIsDown = false; 496 mousePressedPos = null; 497 mouseHasBeenDragged = false; 498 } 499 500 // TODO: rename 501 private boolean initParallelWays(Point p, boolean copyTags) { 502 referenceSegment = mv.getNearestWaySegment(p, OsmPrimitive::isUsable, true); 503 if (referenceSegment == null) 504 return false; 505 506 sourceWays.removeIf(w -> w.isIncomplete() || w.getNodesCount() == 0); 507 508 if (!sourceWays.contains(referenceSegment.way)) { 509 clearSourceWays(); 510 addSourceWay(referenceSegment.way); 511 } 512 513 try { 514 int referenceWayIndex = -1; 515 int i = 0; 516 for (Way w : sourceWays) { 517 if (w == referenceSegment.way) { 518 referenceWayIndex = i; 519 break; 520 } 521 i++; 522 } 523 pWays = new ParallelWays(sourceWays, copyTags, referenceWayIndex); 524 pWays.commit(); 525 getLayerManager().getEditDataSet().setSelected(pWays.getWays()); 526 return true; 527 } catch (IllegalArgumentException e) { 528 Logging.debug(e); 529 new Notification(tr("ParallelWayAction\n" + 530 "The ways selected must form a simple branchless path")) 531 .setIcon(JOptionPane.INFORMATION_MESSAGE) 532 .show(); 533 // The error dialog prevents us from getting the mouseReleased event 534 resetMouseTrackingState(); 535 pWays = null; 536 return false; 537 } 538 } 539 540 private static String prefKey(String subKey) { 541 return "edit.make-parallel-way-action." + subKey; 542 } 543 544 /** 545 * A property that holds the keyboard modifiers. 546 * @author Michael Zangl 547 * @since 10869 548 */ 549 private static class KeyboardModifiersProperty extends AbstractToStringProperty<Map<Modifier, Boolean>> { 550 551 KeyboardModifiersProperty(String key, String defaultValue) { 552 super(key, createFromString(defaultValue)); 553 } 554 555 KeyboardModifiersProperty(String key, Map<Modifier, Boolean> defaultValue) { 556 super(key, defaultValue); 557 } 558 559 @Override 560 protected String toString(Map<Modifier, Boolean> t) { 561 StringBuilder sb = new StringBuilder(); 562 for (Modifier mod : Modifier.values()) { 563 Boolean val = t.get(mod); 564 if (val == null) { 565 sb.append('?'); 566 } else if (val) { 567 sb.append(Character.toUpperCase(mod.shortChar)); 568 } else { 569 sb.append(mod.shortChar); 570 } 571 } 572 return sb.toString(); 573 } 574 575 @Override 576 protected Map<Modifier, Boolean> fromString(String string) { 577 return createFromString(string); 578 } 579 580 private static Map<Modifier, Boolean> createFromString(String string) { 581 Map<Modifier, Boolean> ret = new EnumMap<>(Modifier.class); 582 for (char c : string.toCharArray()) { 583 if (c == '?') { 584 continue; 585 } 586 Optional<Modifier> mod = Modifier.findWithShortCode(c); 587 if (mod.isPresent()) { 588 ret.put(mod.get(), Character.isUpperCase(c)); 589 } else { 590 Logging.debug("Ignoring unknown modifier {0}", c); 591 } 592 } 593 return Collections.unmodifiableMap(ret); 594 } 595 } 596 597 enum Modifier { 598 CTRL('c'), 599 ALT('a'), 600 SHIFT('s'); 601 602 private final char shortChar; 603 604 Modifier(char shortChar) { 605 this.shortChar = Character.toLowerCase(shortChar); 606 } 607 608 /** 609 * Find the modifier with the given short code 610 * @param charCode The short code 611 * @return The modifier 612 */ 613 public static Optional<Modifier> findWithShortCode(int charCode) { 614 return Stream.of(values()).filter(m -> m.shortChar == Character.toLowerCase(charCode)).findAny(); 615 } 616 } 617 618 private class ParallelWayLayer extends AbstractMapViewPaintable { 619 @Override 620 public void paint(Graphics2D g, MapView mv, Bounds bbox) { 621 if (mode == Mode.DRAGGING) { 622 CheckParameterUtil.ensureParameterNotNull(mv, "mv"); 623 624 Color mainColor = MAIN_COLOR.get(); 625 g.setStroke(REF_LINE_STROKE.get()); 626 g.setColor(mainColor); 627 MapViewPath line = new MapViewPath(mv); 628 line.moveTo(referenceSegment.getFirstNode()); 629 line.lineTo(referenceSegment.getSecondNode()); 630 g.draw(line.computeClippedLine(g.getStroke())); 631 632 g.setStroke(HELPER_LINE_STROKE.get()); 633 g.setColor(mainColor); 634 line = new MapViewPath(mv); 635 line.moveTo(helperLineStart); 636 line.lineTo(helperLineEnd); 637 g.draw(line.computeClippedLine(g.getStroke())); 638 } 639 } 640 } 641}