1 | // License: GPL. See LICENSE file for details.
|
---|
2 | package org.openstreetmap.josm.actions.mapmode;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
|
---|
5 | import static org.openstreetmap.josm.tools.I18n.marktr;
|
---|
6 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
7 | import static org.openstreetmap.josm.tools.I18n.trn;
|
---|
8 |
|
---|
9 | import java.awt.BasicStroke;
|
---|
10 | import java.awt.Color;
|
---|
11 | import java.awt.Cursor;
|
---|
12 | import java.awt.Graphics2D;
|
---|
13 | import java.awt.Point;
|
---|
14 | import java.awt.Stroke;
|
---|
15 | import java.awt.event.ActionEvent;
|
---|
16 | import java.awt.event.KeyEvent;
|
---|
17 | import java.awt.event.MouseEvent;
|
---|
18 | import java.awt.event.MouseListener;
|
---|
19 | import java.awt.geom.GeneralPath;
|
---|
20 | import java.util.ArrayList;
|
---|
21 | import java.util.Arrays;
|
---|
22 | import java.util.Collection;
|
---|
23 | import java.util.Collections;
|
---|
24 | import java.util.HashMap;
|
---|
25 | import java.util.HashSet;
|
---|
26 | import java.util.Iterator;
|
---|
27 | import java.util.LinkedList;
|
---|
28 | import java.util.List;
|
---|
29 | import java.util.Map;
|
---|
30 | import java.util.Set;
|
---|
31 |
|
---|
32 | import javax.swing.AbstractAction;
|
---|
33 | import javax.swing.JCheckBoxMenuItem;
|
---|
34 | import javax.swing.JMenuItem;
|
---|
35 | import javax.swing.JOptionPane;
|
---|
36 | import javax.swing.JPopupMenu;
|
---|
37 |
|
---|
38 | import org.openstreetmap.josm.Main;
|
---|
39 | import org.openstreetmap.josm.actions.JosmAction;
|
---|
40 | import org.openstreetmap.josm.command.AddCommand;
|
---|
41 | import org.openstreetmap.josm.command.ChangeCommand;
|
---|
42 | import org.openstreetmap.josm.command.Command;
|
---|
43 | import org.openstreetmap.josm.command.SequenceCommand;
|
---|
44 | import org.openstreetmap.josm.data.Bounds;
|
---|
45 | import org.openstreetmap.josm.data.SelectionChangedListener;
|
---|
46 | import org.openstreetmap.josm.data.coor.EastNorth;
|
---|
47 | import org.openstreetmap.josm.data.coor.LatLon;
|
---|
48 | import org.openstreetmap.josm.data.osm.DataSet;
|
---|
49 | import org.openstreetmap.josm.data.osm.Node;
|
---|
50 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
|
---|
51 | import org.openstreetmap.josm.data.osm.Way;
|
---|
52 | import org.openstreetmap.josm.data.osm.WaySegment;
|
---|
53 | import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
|
---|
54 | import org.openstreetmap.josm.gui.MainMenu;
|
---|
55 | import org.openstreetmap.josm.gui.MapFrame;
|
---|
56 | import org.openstreetmap.josm.gui.MapView;
|
---|
57 | import org.openstreetmap.josm.gui.NavigatableComponent;
|
---|
58 | import org.openstreetmap.josm.gui.layer.Layer;
|
---|
59 | import org.openstreetmap.josm.gui.layer.MapViewPaintable;
|
---|
60 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
|
---|
61 | import org.openstreetmap.josm.gui.util.GuiHelper;
|
---|
62 | import org.openstreetmap.josm.gui.util.KeyPressReleaseListener;
|
---|
63 | import org.openstreetmap.josm.gui.util.ModifierListener;
|
---|
64 | import org.openstreetmap.josm.gui.widgets.PopupMenuLauncher;
|
---|
65 | import org.openstreetmap.josm.tools.Geometry;
|
---|
66 | import org.openstreetmap.josm.tools.ImageProvider;
|
---|
67 | import org.openstreetmap.josm.tools.Pair;
|
---|
68 | import org.openstreetmap.josm.tools.Shortcut;
|
---|
69 | import org.openstreetmap.josm.tools.Utils;
|
---|
70 |
|
---|
71 | /**
|
---|
72 | * Mapmode to add nodes, create and extend ways.
|
---|
73 | */
|
---|
74 | public class DrawAction extends MapMode implements MapViewPaintable, SelectionChangedListener, KeyPressReleaseListener, ModifierListener {
|
---|
75 | private final Cursor cursorJoinNode;
|
---|
76 | private final Cursor cursorJoinWay;
|
---|
77 |
|
---|
78 | private Node lastUsedNode = null;
|
---|
79 | private static final double PHI = Math.toRadians(90);
|
---|
80 | private double toleranceMultiplier;
|
---|
81 |
|
---|
82 | private Node mouseOnExistingNode;
|
---|
83 | private Set<Way> mouseOnExistingWays = new HashSet<>();
|
---|
84 | // old highlights store which primitives are currently highlighted. This
|
---|
85 | // is true, even if target highlighting is disabled since the status bar
|
---|
86 | // derives its information from this list as well.
|
---|
87 | private Set<OsmPrimitive> oldHighlights = new HashSet<>();
|
---|
88 | // new highlights contains a list of primitives that should be highlighted
|
---|
89 | // but haven’t been so far. The idea is to compare old and new and only
|
---|
90 | // repaint if there are changes.
|
---|
91 | private Set<OsmPrimitive> newHighlights = new HashSet<>();
|
---|
92 | private boolean drawHelperLine;
|
---|
93 | private boolean wayIsFinished = false;
|
---|
94 | private boolean drawTargetHighlight;
|
---|
95 | private Point mousePos;
|
---|
96 | private Point oldMousePos;
|
---|
97 | private Color rubberLineColor;
|
---|
98 |
|
---|
99 | private Node currentBaseNode;
|
---|
100 | private Node previousNode;
|
---|
101 | private EastNorth currentMouseEastNorth;
|
---|
102 |
|
---|
103 | private final SnapHelper snapHelper = new SnapHelper();
|
---|
104 |
|
---|
105 | private final Shortcut backspaceShortcut;
|
---|
106 | private final BackSpaceAction backspaceAction;
|
---|
107 | private final Shortcut snappingShortcut;
|
---|
108 | private boolean ignoreNextKeyRelease;
|
---|
109 |
|
---|
110 | private final SnapChangeAction snapChangeAction;
|
---|
111 | private final JCheckBoxMenuItem snapCheckboxMenuItem;
|
---|
112 | private boolean useRepeatedShortcut;
|
---|
113 | private Stroke rubberLineStroke;
|
---|
114 | private static final BasicStroke BASIC_STROKE = new BasicStroke(1);
|
---|
115 |
|
---|
116 | private static int snapToIntersectionThreshold;
|
---|
117 |
|
---|
118 | public DrawAction(MapFrame mapFrame) {
|
---|
119 | super(tr("Draw"), "node/autonode", tr("Draw nodes"),
|
---|
120 | Shortcut.registerShortcut("mapmode:draw", tr("Mode: {0}", tr("Draw")), KeyEvent.VK_A, Shortcut.DIRECT),
|
---|
121 | mapFrame, ImageProvider.getCursor("crosshair", null));
|
---|
122 |
|
---|
123 | snappingShortcut = Shortcut.registerShortcut("mapmode:drawanglesnapping",
|
---|
124 | tr("Mode: Draw Angle snapping"), KeyEvent.CHAR_UNDEFINED, Shortcut.NONE);
|
---|
125 | snapChangeAction = new SnapChangeAction();
|
---|
126 | snapCheckboxMenuItem = addMenuItem();
|
---|
127 | snapHelper.setMenuCheckBox(snapCheckboxMenuItem);
|
---|
128 | backspaceShortcut = Shortcut.registerShortcut("mapmode:backspace",
|
---|
129 | tr("Backspace in Add mode"), KeyEvent.VK_BACK_SPACE, Shortcut.DIRECT);
|
---|
130 | backspaceAction = new BackSpaceAction();
|
---|
131 | cursorJoinNode = ImageProvider.getCursor("crosshair", "joinnode");
|
---|
132 | cursorJoinWay = ImageProvider.getCursor("crosshair", "joinway");
|
---|
133 |
|
---|
134 | readPreferences();
|
---|
135 | snapHelper.init();
|
---|
136 | }
|
---|
137 |
|
---|
138 | private JCheckBoxMenuItem addMenuItem() {
|
---|
139 | int n=Main.main.menu.editMenu.getItemCount();
|
---|
140 | for (int i=n-1;i>0;i--) {
|
---|
141 | JMenuItem item = Main.main.menu.editMenu.getItem(i);
|
---|
142 | if (item!=null && item.getAction() !=null && item.getAction() instanceof SnapChangeAction) {
|
---|
143 | Main.main.menu.editMenu.remove(i);
|
---|
144 | }
|
---|
145 | }
|
---|
146 | return MainMenu.addWithCheckbox(Main.main.menu.editMenu, snapChangeAction, MainMenu.WINDOW_MENU_GROUP.VOLATILE);
|
---|
147 | }
|
---|
148 |
|
---|
149 | /**
|
---|
150 | * Checks if a map redraw is required and does so if needed. Also updates the status bar
|
---|
151 | */
|
---|
152 | private boolean redrawIfRequired() {
|
---|
153 | updateStatusLine();
|
---|
154 | // repaint required if the helper line is active.
|
---|
155 | boolean needsRepaint = drawHelperLine && !wayIsFinished;
|
---|
156 | if(drawTargetHighlight) {
|
---|
157 | // move newHighlights to oldHighlights; only update changed primitives
|
---|
158 | for(OsmPrimitive x : newHighlights) {
|
---|
159 | if(oldHighlights.contains(x)) {
|
---|
160 | continue;
|
---|
161 | }
|
---|
162 | x.setHighlighted(true);
|
---|
163 | needsRepaint = true;
|
---|
164 | }
|
---|
165 | oldHighlights.removeAll(newHighlights);
|
---|
166 | for(OsmPrimitive x : oldHighlights) {
|
---|
167 | x.setHighlighted(false);
|
---|
168 | needsRepaint = true;
|
---|
169 | }
|
---|
170 | }
|
---|
171 | // required in order to print correct help text
|
---|
172 | oldHighlights = newHighlights;
|
---|
173 |
|
---|
174 | if (!needsRepaint && !drawTargetHighlight)
|
---|
175 | return false;
|
---|
176 |
|
---|
177 | // update selection to reflect which way being modified
|
---|
178 | DataSet currentDataSet = getCurrentDataSet();
|
---|
179 | if (currentBaseNode != null && currentDataSet != null && !currentDataSet.getSelected().isEmpty()) {
|
---|
180 | Way continueFrom = getWayForNode(currentBaseNode);
|
---|
181 | if (alt && continueFrom != null && (!currentBaseNode.isSelected() || continueFrom.isSelected())) {
|
---|
182 | addRemoveSelection(currentDataSet, currentBaseNode, continueFrom);
|
---|
183 | needsRepaint = true;
|
---|
184 | } else if (!alt && continueFrom != null && !continueFrom.isSelected()) {
|
---|
185 | currentDataSet.addSelected(continueFrom);
|
---|
186 | needsRepaint = true;
|
---|
187 | }
|
---|
188 | }
|
---|
189 |
|
---|
190 | if(needsRepaint) {
|
---|
191 | Main.map.mapView.repaint();
|
---|
192 | }
|
---|
193 | return needsRepaint;
|
---|
194 | }
|
---|
195 |
|
---|
196 | private static void addRemoveSelection(DataSet ds, OsmPrimitive toAdd, OsmPrimitive toRemove) {
|
---|
197 | ds.beginUpdate(); // to prevent the selection listener to screw around with the state
|
---|
198 | ds.addSelected(toAdd);
|
---|
199 | ds.clearSelection(toRemove);
|
---|
200 | ds.endUpdate();
|
---|
201 | }
|
---|
202 |
|
---|
203 | @Override
|
---|
204 | public void enterMode() {
|
---|
205 | if (!isEnabled())
|
---|
206 | return;
|
---|
207 | super.enterMode();
|
---|
208 | readPreferences();
|
---|
209 |
|
---|
210 | // determine if selection is suitable to continue drawing. If it
|
---|
211 | // isn't, set wayIsFinished to true to avoid superfluous repaints.
|
---|
212 | determineCurrentBaseNodeAndPreviousNode(getCurrentDataSet().getSelected());
|
---|
213 | wayIsFinished = currentBaseNode == null;
|
---|
214 |
|
---|
215 | toleranceMultiplier = 0.01 * NavigatableComponent.PROP_SNAP_DISTANCE.get();
|
---|
216 |
|
---|
217 | snapHelper.init();
|
---|
218 | snapCheckboxMenuItem.getAction().setEnabled(true);
|
---|
219 |
|
---|
220 | Main.map.statusLine.getAnglePanel().addMouseListener(snapHelper.anglePopupListener);
|
---|
221 | Main.registerActionShortcut(backspaceAction, backspaceShortcut);
|
---|
222 |
|
---|
223 | Main.map.mapView.addMouseListener(this);
|
---|
224 | Main.map.mapView.addMouseMotionListener(this);
|
---|
225 | Main.map.mapView.addTemporaryLayer(this);
|
---|
226 | DataSet.addSelectionListener(this);
|
---|
227 |
|
---|
228 | Main.map.keyDetector.addKeyListener(this);
|
---|
229 | Main.map.keyDetector.addModifierListener(this);
|
---|
230 | ignoreNextKeyRelease = true;
|
---|
231 | // would like to but haven't got mouse position yet:
|
---|
232 | // computeHelperLine(false, false, false);
|
---|
233 | }
|
---|
234 |
|
---|
235 | private void readPreferences() {
|
---|
236 | rubberLineColor = Main.pref.getColor(marktr("helper line"), null);
|
---|
237 | if (rubberLineColor == null) rubberLineColor = PaintColors.SELECTED.get();
|
---|
238 |
|
---|
239 | rubberLineStroke = GuiHelper.getCustomizedStroke(Main.pref.get("draw.stroke.helper-line","3"));
|
---|
240 | drawHelperLine = Main.pref.getBoolean("draw.helper-line", true);
|
---|
241 | drawTargetHighlight = Main.pref.getBoolean("draw.target-highlight", true);
|
---|
242 | snapToIntersectionThreshold = Main.pref.getInteger("edit.snap-intersection-threshold",10);
|
---|
243 | }
|
---|
244 |
|
---|
245 | @Override
|
---|
246 | public void exitMode() {
|
---|
247 | super.exitMode();
|
---|
248 | Main.map.mapView.removeMouseListener(this);
|
---|
249 | Main.map.mapView.removeMouseMotionListener(this);
|
---|
250 | Main.map.mapView.removeTemporaryLayer(this);
|
---|
251 | DataSet.removeSelectionListener(this);
|
---|
252 | Main.unregisterActionShortcut(backspaceAction, backspaceShortcut);
|
---|
253 | snapHelper.unsetFixedMode();
|
---|
254 | snapCheckboxMenuItem.getAction().setEnabled(false);
|
---|
255 |
|
---|
256 | Main.map.statusLine.getAnglePanel().removeMouseListener(snapHelper.anglePopupListener);
|
---|
257 | Main.map.statusLine.activateAnglePanel(false);
|
---|
258 |
|
---|
259 | removeHighlighting();
|
---|
260 | Main.map.keyDetector.removeKeyListener(this);
|
---|
261 | Main.map.keyDetector.removeModifierListener(this);
|
---|
262 |
|
---|
263 | // when exiting we let everybody know about the currently selected
|
---|
264 | // primitives
|
---|
265 | //
|
---|
266 | DataSet ds = getCurrentDataSet();
|
---|
267 | if(ds != null) {
|
---|
268 | ds.fireSelectionChanged();
|
---|
269 | }
|
---|
270 | }
|
---|
271 |
|
---|
272 | /**
|
---|
273 | * redraw to (possibly) get rid of helper line if selection changes.
|
---|
274 | */
|
---|
275 | @Override
|
---|
276 | public void modifiersChanged(int modifiers) {
|
---|
277 | if (!Main.isDisplayingMapView() || !Main.map.mapView.isActiveLayerDrawable())
|
---|
278 | return;
|
---|
279 | updateKeyModifiers(modifiers);
|
---|
280 | computeHelperLine();
|
---|
281 | addHighlighting();
|
---|
282 | }
|
---|
283 |
|
---|
284 | @Override
|
---|
285 | public void doKeyPressed(KeyEvent e) {
|
---|
286 | if (!snappingShortcut.isEvent(e) && !(useRepeatedShortcut && getShortcut().isEvent(e)))
|
---|
287 | return;
|
---|
288 | snapHelper.setFixedMode();
|
---|
289 | computeHelperLine();
|
---|
290 | redrawIfRequired();
|
---|
291 | }
|
---|
292 |
|
---|
293 | @Override
|
---|
294 | public void doKeyReleased(KeyEvent e) {
|
---|
295 | if (!snappingShortcut.isEvent(e) && !(useRepeatedShortcut && getShortcut().isEvent(e)))
|
---|
296 | return;
|
---|
297 | if (ignoreNextKeyRelease) {
|
---|
298 | ignoreNextKeyRelease = false;
|
---|
299 | return;
|
---|
300 | }
|
---|
301 | snapHelper.unFixOrTurnOff();
|
---|
302 | computeHelperLine();
|
---|
303 | redrawIfRequired();
|
---|
304 | }
|
---|
305 |
|
---|
306 | /**
|
---|
307 | * redraw to (possibly) get rid of helper line if selection changes.
|
---|
308 | */
|
---|
309 | @Override
|
---|
310 | public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
|
---|
311 | if(!Main.map.mapView.isActiveLayerDrawable())
|
---|
312 | return;
|
---|
313 | computeHelperLine();
|
---|
314 | addHighlighting();
|
---|
315 | }
|
---|
316 |
|
---|
317 | private void tryAgain(MouseEvent e) {
|
---|
318 | getCurrentDataSet().setSelected();
|
---|
319 | mouseReleased(e);
|
---|
320 | }
|
---|
321 |
|
---|
322 | /**
|
---|
323 | * This function should be called when the user wishes to finish his current draw action.
|
---|
324 | * If Potlatch Style is enabled, it will switch to select tool, otherwise simply disable
|
---|
325 | * the helper line until the user chooses to draw something else.
|
---|
326 | */
|
---|
327 | private void finishDrawing() {
|
---|
328 | // let everybody else know about the current selection
|
---|
329 | //
|
---|
330 | Main.main.getCurrentDataSet().fireSelectionChanged();
|
---|
331 | lastUsedNode = null;
|
---|
332 | wayIsFinished = true;
|
---|
333 | Main.map.selectSelectTool(true);
|
---|
334 | snapHelper.noSnapNow();
|
---|
335 |
|
---|
336 | // Redraw to remove the helper line stub
|
---|
337 | computeHelperLine();
|
---|
338 | removeHighlighting();
|
---|
339 | }
|
---|
340 |
|
---|
341 | private Point rightClickPressPos;
|
---|
342 |
|
---|
343 | @Override
|
---|
344 | public void mousePressed(MouseEvent e) {
|
---|
345 | if (e.getButton() == MouseEvent.BUTTON3) {
|
---|
346 | rightClickPressPos = e.getPoint();
|
---|
347 | }
|
---|
348 | }
|
---|
349 |
|
---|
350 | /**
|
---|
351 | * If user clicked with the left button, add a node at the current mouse
|
---|
352 | * position.
|
---|
353 | *
|
---|
354 | * If in nodeway mode, insert the node into the way.
|
---|
355 | */
|
---|
356 | @Override
|
---|
357 | public void mouseReleased(MouseEvent e) {
|
---|
358 | if (e.getButton() == MouseEvent.BUTTON3) {
|
---|
359 | Point curMousePos = e.getPoint();
|
---|
360 | if (curMousePos.equals(rightClickPressPos)) {
|
---|
361 | tryToSetBaseSegmentForAngleSnap();
|
---|
362 | }
|
---|
363 | return;
|
---|
364 | }
|
---|
365 | if (e.getButton() != MouseEvent.BUTTON1)
|
---|
366 | return;
|
---|
367 | if(!Main.map.mapView.isActiveLayerDrawable())
|
---|
368 | return;
|
---|
369 | // request focus in order to enable the expected keyboard shortcuts
|
---|
370 | //
|
---|
371 | Main.map.mapView.requestFocus();
|
---|
372 |
|
---|
373 | if(e.getClickCount() > 1 && mousePos != null && mousePos.equals(oldMousePos)) {
|
---|
374 | // A double click equals "user clicked last node again, finish way"
|
---|
375 | // Change draw tool only if mouse position is nearly the same, as
|
---|
376 | // otherwise fast clicks will count as a double click
|
---|
377 | finishDrawing();
|
---|
378 | return;
|
---|
379 | }
|
---|
380 | oldMousePos = mousePos;
|
---|
381 |
|
---|
382 | // we copy ctrl/alt/shift from the event just in case our global
|
---|
383 | // keyDetector didn't make it through the security manager. Unclear
|
---|
384 | // if that can ever happen but better be safe.
|
---|
385 | updateKeyModifiers(e);
|
---|
386 | mousePos = e.getPoint();
|
---|
387 |
|
---|
388 | DataSet ds = getCurrentDataSet();
|
---|
389 | Collection<OsmPrimitive> selection = new ArrayList<>(ds.getSelected());
|
---|
390 | Collection<Command> cmds = new LinkedList<>();
|
---|
391 | Collection<OsmPrimitive> newSelection = new LinkedList<>(ds.getSelected());
|
---|
392 |
|
---|
393 | List<Way> reuseWays = new ArrayList<>(),
|
---|
394 | replacedWays = new ArrayList<>();
|
---|
395 | boolean newNode = false;
|
---|
396 | Node n = null;
|
---|
397 |
|
---|
398 | n = Main.map.mapView.getNearestNode(mousePos, OsmPrimitive.isSelectablePredicate);
|
---|
399 | if (ctrl) {
|
---|
400 | Iterator<Way> it = getCurrentDataSet().getSelectedWays().iterator();
|
---|
401 | if (it.hasNext()) {
|
---|
402 | // ctrl-click on node of selected way = reuse node despite of ctrl
|
---|
403 | if (!it.next().containsNode(n)) n = null;
|
---|
404 | } else {
|
---|
405 | n=null; // ctrl-click + no selected way = new node
|
---|
406 | }
|
---|
407 | }
|
---|
408 |
|
---|
409 | if (n != null && !snapHelper.isActive()) {
|
---|
410 | // user clicked on node
|
---|
411 | if (selection.isEmpty() || wayIsFinished) {
|
---|
412 | // select the clicked node and do nothing else
|
---|
413 | // (this is just a convenience option so that people don't
|
---|
414 | // have to switch modes)
|
---|
415 |
|
---|
416 | getCurrentDataSet().setSelected(n);
|
---|
417 | // If we extend/continue an existing way, select it already now to make it obvious
|
---|
418 | Way continueFrom = getWayForNode(n);
|
---|
419 | if (continueFrom != null) {
|
---|
420 | getCurrentDataSet().addSelected(continueFrom);
|
---|
421 | }
|
---|
422 |
|
---|
423 | // The user explicitly selected a node, so let him continue drawing
|
---|
424 | wayIsFinished = false;
|
---|
425 | return;
|
---|
426 | }
|
---|
427 | } else {
|
---|
428 | EastNorth newEN;
|
---|
429 | if (n!=null) {
|
---|
430 | EastNorth foundPoint = n.getEastNorth();
|
---|
431 | // project found node to snapping line
|
---|
432 | newEN = snapHelper.getSnapPoint(foundPoint);
|
---|
433 | // do not add new node if there is some node within snapping distance
|
---|
434 | double tolerance = Main.map.mapView.getDist100Pixel() * toleranceMultiplier;
|
---|
435 | if (foundPoint.distance(newEN) > tolerance) {
|
---|
436 | n = new Node(newEN); // point != projected, so we create new node
|
---|
437 | newNode = true;
|
---|
438 | }
|
---|
439 | } else { // n==null, no node found in clicked area
|
---|
440 | EastNorth mouseEN = Main.map.mapView.getEastNorth(e.getX(), e.getY());
|
---|
441 | newEN = snapHelper.isSnapOn() ? snapHelper.getSnapPoint(mouseEN) : mouseEN;
|
---|
442 | n = new Node(newEN); //create node at clicked point
|
---|
443 | newNode = true;
|
---|
444 | }
|
---|
445 | snapHelper.unsetFixedMode();
|
---|
446 | }
|
---|
447 |
|
---|
448 | if (newNode) {
|
---|
449 | if (n.getCoor().isOutSideWorld()) {
|
---|
450 | JOptionPane.showMessageDialog(
|
---|
451 | Main.parent,
|
---|
452 | tr("Cannot add a node outside of the world."),
|
---|
453 | tr("Warning"),
|
---|
454 | JOptionPane.WARNING_MESSAGE
|
---|
455 | );
|
---|
456 | return;
|
---|
457 | }
|
---|
458 | cmds.add(new AddCommand(n));
|
---|
459 |
|
---|
460 | if (!ctrl) {
|
---|
461 | // Insert the node into all the nearby way segments
|
---|
462 | List<WaySegment> wss = Main.map.mapView.getNearestWaySegments(
|
---|
463 | Main.map.mapView.getPoint(n), OsmPrimitive.isSelectablePredicate);
|
---|
464 | if (snapHelper.isActive()) {
|
---|
465 | tryToMoveNodeOnIntersection(wss,n);
|
---|
466 | }
|
---|
467 | insertNodeIntoAllNearbySegments(wss, n, newSelection, cmds, replacedWays, reuseWays);
|
---|
468 | }
|
---|
469 | }
|
---|
470 | // now "n" is newly created or reused node that shoud be added to some way
|
---|
471 |
|
---|
472 | // This part decides whether or not a "segment" (i.e. a connection) is made to an
|
---|
473 | // existing node.
|
---|
474 |
|
---|
475 | // For a connection to be made, the user must either have a node selected (connection
|
---|
476 | // is made to that node), or he must have a way selected *and* one of the endpoints
|
---|
477 | // of that way must be the last used node (connection is made to last used node), or
|
---|
478 | // he must have a way and a node selected (connection is made to the selected node).
|
---|
479 |
|
---|
480 | // If the above does not apply, the selection is cleared and a new try is started
|
---|
481 |
|
---|
482 | boolean extendedWay = false;
|
---|
483 | boolean wayIsFinishedTemp = wayIsFinished;
|
---|
484 | wayIsFinished = false;
|
---|
485 |
|
---|
486 | // don't draw lines if shift is held
|
---|
487 | if (!selection.isEmpty() && !shift) {
|
---|
488 | Node selectedNode = null;
|
---|
489 | Way selectedWay = null;
|
---|
490 |
|
---|
491 | for (OsmPrimitive p : selection) {
|
---|
492 | if (p instanceof Node) {
|
---|
493 | if (selectedNode != null) {
|
---|
494 | // Too many nodes selected to do something useful
|
---|
495 | tryAgain(e);
|
---|
496 | return;
|
---|
497 | }
|
---|
498 | selectedNode = (Node) p;
|
---|
499 | } else if (p instanceof Way) {
|
---|
500 | if (selectedWay != null) {
|
---|
501 | // Too many ways selected to do something useful
|
---|
502 | tryAgain(e);
|
---|
503 | return;
|
---|
504 | }
|
---|
505 | selectedWay = (Way) p;
|
---|
506 | }
|
---|
507 | }
|
---|
508 |
|
---|
509 | // the node from which we make a connection
|
---|
510 | Node n0 = findNodeToContinueFrom(selectedNode, selectedWay);
|
---|
511 | // We have a selection but it isn't suitable. Try again.
|
---|
512 | if(n0 == null) {
|
---|
513 | tryAgain(e);
|
---|
514 | return;
|
---|
515 | }
|
---|
516 | if(!wayIsFinishedTemp){
|
---|
517 | if(isSelfContainedWay(selectedWay, n0, n))
|
---|
518 | return;
|
---|
519 |
|
---|
520 | // User clicked last node again, finish way
|
---|
521 | if(n0 == n) {
|
---|
522 | finishDrawing();
|
---|
523 | return;
|
---|
524 | }
|
---|
525 |
|
---|
526 | // Ok we know now that we'll insert a line segment, but will it connect to an
|
---|
527 | // existing way or make a new way of its own? The "alt" modifier means that the
|
---|
528 | // user wants a new way.
|
---|
529 | Way way = alt ? null : (selectedWay != null) ? selectedWay : getWayForNode(n0);
|
---|
530 | Way wayToSelect;
|
---|
531 |
|
---|
532 | // Don't allow creation of self-overlapping ways
|
---|
533 | if(way != null) {
|
---|
534 | int nodeCount=0;
|
---|
535 | for (Node p : way.getNodes())
|
---|
536 | if(p.equals(n0)) {
|
---|
537 | nodeCount++;
|
---|
538 | }
|
---|
539 | if(nodeCount > 1) {
|
---|
540 | way = null;
|
---|
541 | }
|
---|
542 | }
|
---|
543 |
|
---|
544 | if (way == null) {
|
---|
545 | way = new Way();
|
---|
546 | way.addNode(n0);
|
---|
547 | cmds.add(new AddCommand(way));
|
---|
548 | wayToSelect = way;
|
---|
549 | } else {
|
---|
550 | int i;
|
---|
551 | if ((i = replacedWays.indexOf(way)) != -1) {
|
---|
552 | way = reuseWays.get(i);
|
---|
553 | wayToSelect = way;
|
---|
554 | } else {
|
---|
555 | wayToSelect = way;
|
---|
556 | Way wnew = new Way(way);
|
---|
557 | cmds.add(new ChangeCommand(way, wnew));
|
---|
558 | way = wnew;
|
---|
559 | }
|
---|
560 | }
|
---|
561 |
|
---|
562 | // Connected to a node that's already in the way
|
---|
563 | if(way.containsNode(n)) {
|
---|
564 | wayIsFinished = true;
|
---|
565 | selection.clear();
|
---|
566 | }
|
---|
567 |
|
---|
568 | // Add new node to way
|
---|
569 | if (way.getNode(way.getNodesCount() - 1) == n0) {
|
---|
570 | way.addNode(n);
|
---|
571 | } else {
|
---|
572 | way.addNode(0, n);
|
---|
573 | }
|
---|
574 |
|
---|
575 | extendedWay = true;
|
---|
576 | newSelection.clear();
|
---|
577 | newSelection.add(wayToSelect);
|
---|
578 | }
|
---|
579 | }
|
---|
580 |
|
---|
581 | String title;
|
---|
582 | if (!extendedWay) {
|
---|
583 | if (!newNode)
|
---|
584 | return; // We didn't do anything.
|
---|
585 | else if (reuseWays.isEmpty()) {
|
---|
586 | title = tr("Add node");
|
---|
587 | } else {
|
---|
588 | title = tr("Add node into way");
|
---|
589 | for (Way w : reuseWays) {
|
---|
590 | newSelection.remove(w);
|
---|
591 | }
|
---|
592 | }
|
---|
593 | newSelection.clear();
|
---|
594 | newSelection.add(n);
|
---|
595 | } else if (!newNode) {
|
---|
596 | title = tr("Connect existing way to node");
|
---|
597 | } else if (reuseWays.isEmpty()) {
|
---|
598 | title = tr("Add a new node to an existing way");
|
---|
599 | } else {
|
---|
600 | title = tr("Add node into way and connect");
|
---|
601 | }
|
---|
602 |
|
---|
603 | Command c = new SequenceCommand(title, cmds);
|
---|
604 |
|
---|
605 | Main.main.undoRedo.add(c);
|
---|
606 | if(!wayIsFinished) {
|
---|
607 | lastUsedNode = n;
|
---|
608 | }
|
---|
609 |
|
---|
610 | getCurrentDataSet().setSelected(newSelection);
|
---|
611 |
|
---|
612 | // "viewport following" mode for tracing long features
|
---|
613 | // from aerial imagery or GPS tracks.
|
---|
614 | if (n != null && Main.map.mapView.viewportFollowing) {
|
---|
615 | Main.map.mapView.smoothScrollTo(n.getEastNorth());
|
---|
616 | }
|
---|
617 | computeHelperLine();
|
---|
618 | removeHighlighting();
|
---|
619 | }
|
---|
620 |
|
---|
621 | private void insertNodeIntoAllNearbySegments(List<WaySegment> wss, Node n, Collection<OsmPrimitive> newSelection, Collection<Command> cmds, List<Way> replacedWays, List<Way> reuseWays) {
|
---|
622 | Map<Way, List<Integer>> insertPoints = new HashMap<>();
|
---|
623 | for (WaySegment ws : wss) {
|
---|
624 | List<Integer> is;
|
---|
625 | if (insertPoints.containsKey(ws.way)) {
|
---|
626 | is = insertPoints.get(ws.way);
|
---|
627 | } else {
|
---|
628 | is = new ArrayList<>();
|
---|
629 | insertPoints.put(ws.way, is);
|
---|
630 | }
|
---|
631 |
|
---|
632 | is.add(ws.lowerIndex);
|
---|
633 | }
|
---|
634 |
|
---|
635 | Set<Pair<Node,Node>> segSet = new HashSet<>();
|
---|
636 |
|
---|
637 | for (Map.Entry<Way, List<Integer>> insertPoint : insertPoints.entrySet()) {
|
---|
638 | Way w = insertPoint.getKey();
|
---|
639 | List<Integer> is = insertPoint.getValue();
|
---|
640 |
|
---|
641 | Way wnew = new Way(w);
|
---|
642 |
|
---|
643 | pruneSuccsAndReverse(is);
|
---|
644 | for (int i : is) {
|
---|
645 | segSet.add(Pair.sort(new Pair<>(w.getNode(i), w.getNode(i+1))));
|
---|
646 | }
|
---|
647 | for (int i : is) {
|
---|
648 | wnew.addNode(i + 1, n);
|
---|
649 | }
|
---|
650 |
|
---|
651 | // If ALT is pressed, a new way should be created and that new way should get
|
---|
652 | // selected. This works everytime unless the ways the nodes get inserted into
|
---|
653 | // are already selected. This is the case when creating a self-overlapping way
|
---|
654 | // but pressing ALT prevents this. Therefore we must de-select the way manually
|
---|
655 | // here so /only/ the new way will be selected after this method finishes.
|
---|
656 | if(alt) {
|
---|
657 | newSelection.add(insertPoint.getKey());
|
---|
658 | }
|
---|
659 |
|
---|
660 | cmds.add(new ChangeCommand(insertPoint.getKey(), wnew));
|
---|
661 | replacedWays.add(insertPoint.getKey());
|
---|
662 | reuseWays.add(wnew);
|
---|
663 | }
|
---|
664 |
|
---|
665 | adjustNode(segSet, n);
|
---|
666 | }
|
---|
667 |
|
---|
668 | /**
|
---|
669 | * Prevent creation of ways that look like this: <---->
|
---|
670 | * This happens if users want to draw a no-exit-sideway from the main way like this:
|
---|
671 | * ^
|
---|
672 | * |<---->
|
---|
673 | * |
|
---|
674 | * The solution isn't ideal because the main way will end in the side way, which is bad for
|
---|
675 | * navigation software ("drive straight on") but at least easier to fix. Maybe users will fix
|
---|
676 | * it on their own, too. At least it's better than producing an error.
|
---|
677 | *
|
---|
678 | * @param selectedWay the way to check
|
---|
679 | * @param currentNode the current node (i.e. the one the connection will be made from)
|
---|
680 | * @param targetNode the target node (i.e. the one the connection will be made to)
|
---|
681 | * @return {@code true} if this would create a selfcontaining way, {@code false} otherwise.
|
---|
682 | */
|
---|
683 | private boolean isSelfContainedWay(Way selectedWay, Node currentNode, Node targetNode) {
|
---|
684 | if(selectedWay != null) {
|
---|
685 | int posn0 = selectedWay.getNodes().indexOf(currentNode);
|
---|
686 | if( posn0 != -1 && // n0 is part of way
|
---|
687 | (posn0 >= 1 && targetNode.equals(selectedWay.getNode(posn0-1))) || // previous node
|
---|
688 | (posn0 < selectedWay.getNodesCount()-1) && targetNode.equals(selectedWay.getNode(posn0+1))) { // next node
|
---|
689 | getCurrentDataSet().setSelected(targetNode);
|
---|
690 | lastUsedNode = targetNode;
|
---|
691 | return true;
|
---|
692 | }
|
---|
693 | }
|
---|
694 |
|
---|
695 | return false;
|
---|
696 | }
|
---|
697 |
|
---|
698 | /**
|
---|
699 | * Finds a node to continue drawing from. Decision is based upon given node and way.
|
---|
700 | * @param selectedNode Currently selected node, may be null
|
---|
701 | * @param selectedWay Currently selected way, may be null
|
---|
702 | * @return Node if a suitable node is found, null otherwise
|
---|
703 | */
|
---|
704 | private Node findNodeToContinueFrom(Node selectedNode, Way selectedWay) {
|
---|
705 | // No nodes or ways have been selected, this occurs when a relation
|
---|
706 | // has been selected or the selection is empty
|
---|
707 | if(selectedNode == null && selectedWay == null)
|
---|
708 | return null;
|
---|
709 |
|
---|
710 | if (selectedNode == null) {
|
---|
711 | if (selectedWay.isFirstLastNode(lastUsedNode))
|
---|
712 | return lastUsedNode;
|
---|
713 |
|
---|
714 | // We have a way selected, but no suitable node to continue from. Start anew.
|
---|
715 | return null;
|
---|
716 | }
|
---|
717 |
|
---|
718 | if (selectedWay == null)
|
---|
719 | return selectedNode;
|
---|
720 |
|
---|
721 | if (selectedWay.isFirstLastNode(selectedNode))
|
---|
722 | return selectedNode;
|
---|
723 |
|
---|
724 | // We have a way and node selected, but it's not at the start/end of the way. Start anew.
|
---|
725 | return null;
|
---|
726 | }
|
---|
727 |
|
---|
728 | @Override
|
---|
729 | public void mouseDragged(MouseEvent e) {
|
---|
730 | mouseMoved(e);
|
---|
731 | }
|
---|
732 |
|
---|
733 | @Override
|
---|
734 | public void mouseMoved(MouseEvent e) {
|
---|
735 | if(!Main.map.mapView.isActiveLayerDrawable())
|
---|
736 | return;
|
---|
737 |
|
---|
738 | // we copy ctrl/alt/shift from the event just in case our global
|
---|
739 | // keyDetector didn't make it through the security manager. Unclear
|
---|
740 | // if that can ever happen but better be safe.
|
---|
741 | updateKeyModifiers(e);
|
---|
742 | mousePos = e.getPoint();
|
---|
743 | if (snapHelper.isSnapOn() && ctrl)
|
---|
744 | tryToSetBaseSegmentForAngleSnap();
|
---|
745 |
|
---|
746 | computeHelperLine();
|
---|
747 | addHighlighting();
|
---|
748 | }
|
---|
749 |
|
---|
750 | /**
|
---|
751 | * This method is used to detect segment under mouse and use it as reference for angle snapping
|
---|
752 | */
|
---|
753 | private void tryToSetBaseSegmentForAngleSnap() {
|
---|
754 | WaySegment seg = Main.map.mapView.getNearestWaySegment(mousePos, OsmPrimitive.isSelectablePredicate);
|
---|
755 | if (seg!=null) {
|
---|
756 | snapHelper.setBaseSegment(seg);
|
---|
757 | }
|
---|
758 | }
|
---|
759 |
|
---|
760 | /**
|
---|
761 | * This method prepares data required for painting the "helper line" from
|
---|
762 | * the last used position to the mouse cursor. It duplicates some code from
|
---|
763 | * mouseReleased() (FIXME).
|
---|
764 | */
|
---|
765 | private void computeHelperLine() {
|
---|
766 | MapView mv = Main.map.mapView;
|
---|
767 | if (mousePos == null) {
|
---|
768 | // Don't draw the line.
|
---|
769 | currentMouseEastNorth = null;
|
---|
770 | currentBaseNode = null;
|
---|
771 | return;
|
---|
772 | }
|
---|
773 |
|
---|
774 | Collection<OsmPrimitive> selection = getCurrentDataSet().getSelected();
|
---|
775 |
|
---|
776 | Node currentMouseNode = null;
|
---|
777 | mouseOnExistingNode = null;
|
---|
778 | mouseOnExistingWays = new HashSet<>();
|
---|
779 |
|
---|
780 | showStatusInfo(-1, -1, -1, snapHelper.isSnapOn());
|
---|
781 |
|
---|
782 | if (!ctrl && mousePos != null) {
|
---|
783 | currentMouseNode = mv.getNearestNode(mousePos, OsmPrimitive.isSelectablePredicate);
|
---|
784 | }
|
---|
785 |
|
---|
786 | // We need this for highlighting and we'll only do so if we actually want to re-use
|
---|
787 | // *and* there is no node nearby (because nodes beat ways when re-using)
|
---|
788 | if(!ctrl && currentMouseNode == null) {
|
---|
789 | List<WaySegment> wss = mv.getNearestWaySegments(mousePos, OsmPrimitive.isSelectablePredicate);
|
---|
790 | for(WaySegment ws : wss) {
|
---|
791 | mouseOnExistingWays.add(ws.way);
|
---|
792 | }
|
---|
793 | }
|
---|
794 |
|
---|
795 | if (currentMouseNode != null) {
|
---|
796 | // user clicked on node
|
---|
797 | if (selection.isEmpty()) return;
|
---|
798 | currentMouseEastNorth = currentMouseNode.getEastNorth();
|
---|
799 | mouseOnExistingNode = currentMouseNode;
|
---|
800 | } else {
|
---|
801 | // no node found in clicked area
|
---|
802 | currentMouseEastNorth = mv.getEastNorth(mousePos.x, mousePos.y);
|
---|
803 | }
|
---|
804 |
|
---|
805 | determineCurrentBaseNodeAndPreviousNode(selection);
|
---|
806 | if (previousNode == null) {
|
---|
807 | snapHelper.noSnapNow();
|
---|
808 | }
|
---|
809 |
|
---|
810 | if (currentBaseNode == null || currentBaseNode == currentMouseNode)
|
---|
811 | return; // Don't create zero length way segments.
|
---|
812 |
|
---|
813 |
|
---|
814 | double curHdg = Math.toDegrees(currentBaseNode.getEastNorth()
|
---|
815 | .heading(currentMouseEastNorth));
|
---|
816 | double baseHdg=-1;
|
---|
817 | if (previousNode != null) {
|
---|
818 | baseHdg = Math.toDegrees(previousNode.getEastNorth()
|
---|
819 | .heading(currentBaseNode.getEastNorth()));
|
---|
820 | }
|
---|
821 |
|
---|
822 | snapHelper.checkAngleSnapping(currentMouseEastNorth,baseHdg, curHdg);
|
---|
823 |
|
---|
824 | // status bar was filled by snapHelper
|
---|
825 | }
|
---|
826 |
|
---|
827 | private void showStatusInfo(double angle, double hdg, double distance, boolean activeFlag) {
|
---|
828 | Main.map.statusLine.setAngle(angle);
|
---|
829 | Main.map.statusLine.activateAnglePanel(activeFlag);
|
---|
830 | Main.map.statusLine.setHeading(hdg);
|
---|
831 | Main.map.statusLine.setDist(distance);
|
---|
832 | }
|
---|
833 |
|
---|
834 | /**
|
---|
835 | * Helper function that sets fields currentBaseNode and previousNode
|
---|
836 | * @param selection
|
---|
837 | * uses also lastUsedNode field
|
---|
838 | */
|
---|
839 | private void determineCurrentBaseNodeAndPreviousNode(Collection<OsmPrimitive> selection) {
|
---|
840 | Node selectedNode = null;
|
---|
841 | Way selectedWay = null;
|
---|
842 | for (OsmPrimitive p : selection) {
|
---|
843 | if (p instanceof Node) {
|
---|
844 | if (selectedNode != null)
|
---|
845 | return;
|
---|
846 | selectedNode = (Node) p;
|
---|
847 | } else if (p instanceof Way) {
|
---|
848 | if (selectedWay != null)
|
---|
849 | return;
|
---|
850 | selectedWay = (Way) p;
|
---|
851 | }
|
---|
852 | }
|
---|
853 | // we are here, if not more than 1 way or node is selected,
|
---|
854 |
|
---|
855 | // the node from which we make a connection
|
---|
856 | currentBaseNode = null;
|
---|
857 | previousNode = null;
|
---|
858 |
|
---|
859 | // Try to find an open way to measure angle from it. The way is not to be continued!
|
---|
860 | // warning: may result in changes of currentBaseNode and previousNode
|
---|
861 | // please remove if bugs arise
|
---|
862 | if (selectedWay == null && selectedNode != null) {
|
---|
863 | for (OsmPrimitive p: selectedNode.getReferrers()) {
|
---|
864 | if (p.isUsable() && p instanceof Way && ((Way) p).isFirstLastNode(selectedNode)) {
|
---|
865 | if (selectedWay!=null) { // two uncontinued ways, nothing to take as reference
|
---|
866 | selectedWay=null;
|
---|
867 | break;
|
---|
868 | } else {
|
---|
869 | // set us ~continue this way (measure angle from it)
|
---|
870 | selectedWay = (Way) p;
|
---|
871 | }
|
---|
872 | }
|
---|
873 | }
|
---|
874 | }
|
---|
875 |
|
---|
876 | if (selectedNode == null) {
|
---|
877 | if (selectedWay == null)
|
---|
878 | return;
|
---|
879 | continueWayFromNode(selectedWay, lastUsedNode);
|
---|
880 | } else if (selectedWay == null) {
|
---|
881 | currentBaseNode = selectedNode;
|
---|
882 | } else if (!selectedWay.isDeleted()) { // fix #7118
|
---|
883 | continueWayFromNode(selectedWay, selectedNode);
|
---|
884 | }
|
---|
885 | }
|
---|
886 |
|
---|
887 | /**
|
---|
888 | * if one of the ends of @param way is given @param node ,
|
---|
889 | * then set currentBaseNode = node and previousNode = adjacent node of way
|
---|
890 | */
|
---|
891 | private void continueWayFromNode(Way way, Node node) {
|
---|
892 | int n = way.getNodesCount();
|
---|
893 | if (node == way.firstNode()){
|
---|
894 | currentBaseNode = node;
|
---|
895 | if (n>1) previousNode = way.getNode(1);
|
---|
896 | } else if (node == way.lastNode()) {
|
---|
897 | currentBaseNode = node;
|
---|
898 | if (n>1) previousNode = way.getNode(n-2);
|
---|
899 | }
|
---|
900 | }
|
---|
901 |
|
---|
902 | /**
|
---|
903 | * Repaint on mouse exit so that the helper line goes away.
|
---|
904 | */
|
---|
905 | @Override
|
---|
906 | public void mouseExited(MouseEvent e) {
|
---|
907 | if(!Main.map.mapView.isActiveLayerDrawable())
|
---|
908 | return;
|
---|
909 | mousePos = e.getPoint();
|
---|
910 | snapHelper.noSnapNow();
|
---|
911 | boolean repaintIssued = removeHighlighting();
|
---|
912 | // force repaint in case snapHelper needs one. If removeHighlighting
|
---|
913 | // caused one already, don’t do it again.
|
---|
914 | if(!repaintIssued) {
|
---|
915 | Main.map.mapView.repaint();
|
---|
916 | }
|
---|
917 | }
|
---|
918 |
|
---|
919 | /**
|
---|
920 | * @return If the node is the end of exactly one way, return this.
|
---|
921 | * <code>null</code> otherwise.
|
---|
922 | */
|
---|
923 | public static Way getWayForNode(Node n) {
|
---|
924 | Way way = null;
|
---|
925 | for (Way w : Utils.filteredCollection(n.getReferrers(), Way.class)) {
|
---|
926 | if (!w.isUsable() || w.getNodesCount() < 1) {
|
---|
927 | continue;
|
---|
928 | }
|
---|
929 | Node firstNode = w.getNode(0);
|
---|
930 | Node lastNode = w.getNode(w.getNodesCount() - 1);
|
---|
931 | if ((firstNode == n || lastNode == n) && (firstNode != lastNode)) {
|
---|
932 | if (way != null)
|
---|
933 | return null;
|
---|
934 | way = w;
|
---|
935 | }
|
---|
936 | }
|
---|
937 | return way;
|
---|
938 | }
|
---|
939 |
|
---|
940 | public Node getCurrentBaseNode() {
|
---|
941 | return currentBaseNode;
|
---|
942 | }
|
---|
943 |
|
---|
944 | private static void pruneSuccsAndReverse(List<Integer> is) {
|
---|
945 | HashSet<Integer> is2 = new HashSet<>();
|
---|
946 | for (int i : is) {
|
---|
947 | if (!is2.contains(i - 1) && !is2.contains(i + 1)) {
|
---|
948 | is2.add(i);
|
---|
949 | }
|
---|
950 | }
|
---|
951 | is.clear();
|
---|
952 | is.addAll(is2);
|
---|
953 | Collections.sort(is);
|
---|
954 | Collections.reverse(is);
|
---|
955 | }
|
---|
956 |
|
---|
957 | /**
|
---|
958 | * Adjusts the position of a node to lie on a segment (or a segment
|
---|
959 | * intersection).
|
---|
960 | *
|
---|
961 | * If one or more than two segments are passed, the node is adjusted
|
---|
962 | * to lie on the first segment that is passed.
|
---|
963 | *
|
---|
964 | * If two segments are passed, the node is adjusted to be at their
|
---|
965 | * intersection.
|
---|
966 | *
|
---|
967 | * No action is taken if no segments are passed.
|
---|
968 | *
|
---|
969 | * @param segs the segments to use as a reference when adjusting
|
---|
970 | * @param n the node to adjust
|
---|
971 | */
|
---|
972 | private static void adjustNode(Collection<Pair<Node,Node>> segs, Node n) {
|
---|
973 |
|
---|
974 | switch (segs.size()) {
|
---|
975 | case 0:
|
---|
976 | return;
|
---|
977 | case 2:
|
---|
978 | // This computes the intersection between
|
---|
979 | // the two segments and adjusts the node position.
|
---|
980 | Iterator<Pair<Node,Node>> i = segs.iterator();
|
---|
981 | Pair<Node,Node> seg = i.next();
|
---|
982 | EastNorth A = seg.a.getEastNorth();
|
---|
983 | EastNorth B = seg.b.getEastNorth();
|
---|
984 | seg = i.next();
|
---|
985 | EastNorth C = seg.a.getEastNorth();
|
---|
986 | EastNorth D = seg.b.getEastNorth();
|
---|
987 |
|
---|
988 | double u=det(B.east() - A.east(), B.north() - A.north(), C.east() - D.east(), C.north() - D.north());
|
---|
989 |
|
---|
990 | // Check for parallel segments and do nothing if they are
|
---|
991 | // In practice this will probably only happen when a way has been duplicated
|
---|
992 |
|
---|
993 | if (u == 0)
|
---|
994 | return;
|
---|
995 |
|
---|
996 | // q is a number between 0 and 1
|
---|
997 | // It is the point in the segment where the intersection occurs
|
---|
998 | // if the segment is scaled to lenght 1
|
---|
999 |
|
---|
1000 | double q = det(B.north() - C.north(), B.east() - C.east(), D.north() - C.north(), D.east() - C.east()) / u;
|
---|
1001 | EastNorth intersection = new EastNorth(
|
---|
1002 | B.east() + q * (A.east() - B.east()),
|
---|
1003 | B.north() + q * (A.north() - B.north()));
|
---|
1004 |
|
---|
1005 |
|
---|
1006 | // only adjust to intersection if within snapToIntersectionThreshold pixel of mouse click; otherwise
|
---|
1007 | // fall through to default action.
|
---|
1008 | // (for semi-parallel lines, intersection might be miles away!)
|
---|
1009 | if (Main.map.mapView.getPoint2D(n).distance(Main.map.mapView.getPoint2D(intersection)) < snapToIntersectionThreshold) {
|
---|
1010 | n.setEastNorth(intersection);
|
---|
1011 | return;
|
---|
1012 | }
|
---|
1013 | default:
|
---|
1014 | EastNorth P = n.getEastNorth();
|
---|
1015 | seg = segs.iterator().next();
|
---|
1016 | A = seg.a.getEastNorth();
|
---|
1017 | B = seg.b.getEastNorth();
|
---|
1018 | double a = P.distanceSq(B);
|
---|
1019 | double b = P.distanceSq(A);
|
---|
1020 | double c = A.distanceSq(B);
|
---|
1021 | q = (a - b + c) / (2*c);
|
---|
1022 | n.setEastNorth(new EastNorth(B.east() + q * (A.east() - B.east()), B.north() + q * (A.north() - B.north())));
|
---|
1023 | }
|
---|
1024 | }
|
---|
1025 |
|
---|
1026 | // helper for adjustNode
|
---|
1027 | static double det(double a, double b, double c, double d) {
|
---|
1028 | return a * d - b * c;
|
---|
1029 | }
|
---|
1030 |
|
---|
1031 | private void tryToMoveNodeOnIntersection(List<WaySegment> wss, Node n) {
|
---|
1032 | if (wss.isEmpty())
|
---|
1033 | return;
|
---|
1034 | WaySegment ws = wss.get(0);
|
---|
1035 | EastNorth p1=ws.getFirstNode().getEastNorth();
|
---|
1036 | EastNorth p2=ws.getSecondNode().getEastNorth();
|
---|
1037 | if (snapHelper.dir2!=null && currentBaseNode!=null) {
|
---|
1038 | EastNorth xPoint = Geometry.getSegmentSegmentIntersection(p1, p2, snapHelper.dir2, currentBaseNode.getEastNorth());
|
---|
1039 | if (xPoint!=null) {
|
---|
1040 | n.setEastNorth(xPoint);
|
---|
1041 | }
|
---|
1042 | }
|
---|
1043 | }
|
---|
1044 | /**
|
---|
1045 | * Takes the data from computeHelperLine to determine which ways/nodes should be highlighted
|
---|
1046 | * (if feature enabled). Also sets the target cursor if appropriate. It adds the to-be-
|
---|
1047 | * highlighted primitives to newHighlights but does not actually highlight them. This work is
|
---|
1048 | * done in redrawIfRequired. This means, calling addHighlighting() without redrawIfRequired()
|
---|
1049 | * will leave the data in an inconsistent state.
|
---|
1050 | *
|
---|
1051 | * The status bar derives its information from oldHighlights, so in order to update the status
|
---|
1052 | * bar both addHighlighting() and repaintIfRequired() are needed, since former fills newHighlights
|
---|
1053 | * and latter processes them into oldHighlights.
|
---|
1054 | */
|
---|
1055 | private void addHighlighting() {
|
---|
1056 | newHighlights = new HashSet<>();
|
---|
1057 |
|
---|
1058 | // if ctrl key is held ("no join"), don't highlight anything
|
---|
1059 | if (ctrl) {
|
---|
1060 | Main.map.mapView.setNewCursor(cursor, this);
|
---|
1061 | redrawIfRequired();
|
---|
1062 | return;
|
---|
1063 | }
|
---|
1064 |
|
---|
1065 | // This happens when nothing is selected, but we still want to highlight the "target node"
|
---|
1066 | if (mouseOnExistingNode == null && getCurrentDataSet().getSelected().isEmpty()
|
---|
1067 | && mousePos != null) {
|
---|
1068 | mouseOnExistingNode = Main.map.mapView.getNearestNode(mousePos, OsmPrimitive.isSelectablePredicate);
|
---|
1069 | }
|
---|
1070 |
|
---|
1071 | if (mouseOnExistingNode != null) {
|
---|
1072 | Main.map.mapView.setNewCursor(cursorJoinNode, this);
|
---|
1073 | newHighlights.add(mouseOnExistingNode);
|
---|
1074 | redrawIfRequired();
|
---|
1075 | return;
|
---|
1076 | }
|
---|
1077 |
|
---|
1078 | // Insert the node into all the nearby way segments
|
---|
1079 | if (mouseOnExistingWays.isEmpty()) {
|
---|
1080 | Main.map.mapView.setNewCursor(cursor, this);
|
---|
1081 | redrawIfRequired();
|
---|
1082 | return;
|
---|
1083 | }
|
---|
1084 |
|
---|
1085 | Main.map.mapView.setNewCursor(cursorJoinWay, this);
|
---|
1086 | newHighlights.addAll(mouseOnExistingWays);
|
---|
1087 | redrawIfRequired();
|
---|
1088 | }
|
---|
1089 |
|
---|
1090 | /**
|
---|
1091 | * Removes target highlighting from primitives. Issues repaint if required.
|
---|
1092 | * Returns true if a repaint has been issued.
|
---|
1093 | */
|
---|
1094 | private boolean removeHighlighting() {
|
---|
1095 | newHighlights = new HashSet<>();
|
---|
1096 | return redrawIfRequired();
|
---|
1097 | }
|
---|
1098 |
|
---|
1099 | @Override
|
---|
1100 | public void paint(Graphics2D g, MapView mv, Bounds box) {
|
---|
1101 | // sanity checks
|
---|
1102 | if (Main.map.mapView == null || mousePos == null
|
---|
1103 | // don't draw line if we don't know where from or where to
|
---|
1104 | || currentBaseNode == null || currentMouseEastNorth == null
|
---|
1105 | // don't draw line if mouse is outside window
|
---|
1106 | || !Main.map.mapView.getBounds().contains(mousePos))
|
---|
1107 | return;
|
---|
1108 |
|
---|
1109 | Graphics2D g2 = g;
|
---|
1110 | snapHelper.drawIfNeeded(g2,mv);
|
---|
1111 | if (!drawHelperLine || wayIsFinished || shift)
|
---|
1112 | return;
|
---|
1113 |
|
---|
1114 | if (!snapHelper.isActive()) { // else use color and stoke from snapHelper.draw
|
---|
1115 | g2.setColor(rubberLineColor);
|
---|
1116 | g2.setStroke(rubberLineStroke);
|
---|
1117 | } else if (!snapHelper.drawConstructionGeometry)
|
---|
1118 | return;
|
---|
1119 | GeneralPath b = new GeneralPath();
|
---|
1120 | Point p1=mv.getPoint(currentBaseNode);
|
---|
1121 | Point p2=mv.getPoint(currentMouseEastNorth);
|
---|
1122 |
|
---|
1123 | double t = Math.atan2(p2.y-p1.y, p2.x-p1.x) + Math.PI;
|
---|
1124 |
|
---|
1125 | b.moveTo(p1.x,p1.y); b.lineTo(p2.x, p2.y);
|
---|
1126 |
|
---|
1127 | // if alt key is held ("start new way"), draw a little perpendicular line
|
---|
1128 | if (alt) {
|
---|
1129 | b.moveTo((int)(p1.x + 8*Math.cos(t+PHI)), (int)(p1.y + 8*Math.sin(t+PHI)));
|
---|
1130 | b.lineTo((int)(p1.x + 8*Math.cos(t-PHI)), (int)(p1.y + 8*Math.sin(t-PHI)));
|
---|
1131 | }
|
---|
1132 |
|
---|
1133 | g2.draw(b);
|
---|
1134 | g2.setStroke(BASIC_STROKE);
|
---|
1135 | }
|
---|
1136 |
|
---|
1137 | @Override
|
---|
1138 | public String getModeHelpText() {
|
---|
1139 | StringBuilder rv;
|
---|
1140 | /*
|
---|
1141 | * No modifiers: all (Connect, Node Re-Use, Auto-Weld)
|
---|
1142 | * CTRL: disables node re-use, auto-weld
|
---|
1143 | * Shift: do not make connection
|
---|
1144 | * ALT: make connection but start new way in doing so
|
---|
1145 | */
|
---|
1146 |
|
---|
1147 | /*
|
---|
1148 | * Status line text generation is split into two parts to keep it maintainable.
|
---|
1149 | * First part looks at what will happen to the new node inserted on click and
|
---|
1150 | * the second part will look if a connection is made or not.
|
---|
1151 | *
|
---|
1152 | * Note that this help text is not absolutely accurate as it doesn't catch any special
|
---|
1153 | * cases (e.g. when preventing <---> ways). The only special that it catches is when
|
---|
1154 | * a way is about to be finished.
|
---|
1155 | *
|
---|
1156 | * First check what happens to the new node.
|
---|
1157 | */
|
---|
1158 |
|
---|
1159 | // oldHighlights stores the current highlights. If this
|
---|
1160 | // list is empty we can assume that we won't do any joins
|
---|
1161 | if (ctrl || oldHighlights.isEmpty()) {
|
---|
1162 | rv = new StringBuilder(tr("Create new node."));
|
---|
1163 | } else {
|
---|
1164 | // oldHighlights may store a node or way, check if it's a node
|
---|
1165 | OsmPrimitive x = oldHighlights.iterator().next();
|
---|
1166 | if (x instanceof Node) {
|
---|
1167 | rv = new StringBuilder(tr("Select node under cursor."));
|
---|
1168 | } else {
|
---|
1169 | rv = new StringBuilder(trn("Insert new node into way.", "Insert new node into {0} ways.",
|
---|
1170 | oldHighlights.size(), oldHighlights.size()));
|
---|
1171 | }
|
---|
1172 | }
|
---|
1173 |
|
---|
1174 | /*
|
---|
1175 | * Check whether a connection will be made
|
---|
1176 | */
|
---|
1177 | if (currentBaseNode != null && !wayIsFinished) {
|
---|
1178 | if (alt) {
|
---|
1179 | rv.append(" ").append(tr("Start new way from last node."));
|
---|
1180 | } else {
|
---|
1181 | rv.append(" ").append(tr("Continue way from last node."));
|
---|
1182 | }
|
---|
1183 | if (snapHelper.isSnapOn()) {
|
---|
1184 | rv.append(" ").append(tr("Angle snapping active."));
|
---|
1185 | }
|
---|
1186 | }
|
---|
1187 |
|
---|
1188 | Node n = mouseOnExistingNode;
|
---|
1189 | /*
|
---|
1190 | * Handle special case: Highlighted node == selected node => finish drawing
|
---|
1191 | */
|
---|
1192 | if (n != null && getCurrentDataSet() != null && getCurrentDataSet().getSelectedNodes().contains(n)) {
|
---|
1193 | if (wayIsFinished) {
|
---|
1194 | rv = new StringBuilder(tr("Select node under cursor."));
|
---|
1195 | } else {
|
---|
1196 | rv = new StringBuilder(tr("Finish drawing."));
|
---|
1197 | }
|
---|
1198 | }
|
---|
1199 |
|
---|
1200 | /*
|
---|
1201 | * Handle special case: Self-Overlapping or closing way
|
---|
1202 | */
|
---|
1203 | if (getCurrentDataSet() != null && !getCurrentDataSet().getSelectedWays().isEmpty() && !wayIsFinished && !alt) {
|
---|
1204 | Way w = getCurrentDataSet().getSelectedWays().iterator().next();
|
---|
1205 | for (Node m : w.getNodes()) {
|
---|
1206 | if (m.equals(mouseOnExistingNode) || mouseOnExistingWays.contains(w)) {
|
---|
1207 | rv.append(" ").append(tr("Finish drawing."));
|
---|
1208 | break;
|
---|
1209 | }
|
---|
1210 | }
|
---|
1211 | }
|
---|
1212 | return rv.toString();
|
---|
1213 | }
|
---|
1214 |
|
---|
1215 | /**
|
---|
1216 | * Get selected primitives, while draw action is in progress.
|
---|
1217 | *
|
---|
1218 | * While drawing a way, technically the last node is selected.
|
---|
1219 | * This is inconvenient when the user tries to add/edit tags to the way.
|
---|
1220 | * For this case, this method returns the current way as selection,
|
---|
1221 | * to work around this issue.
|
---|
1222 | * Otherwise the normal selection of the current data layer is returned.
|
---|
1223 | */
|
---|
1224 | public Collection<OsmPrimitive> getInProgressSelection() {
|
---|
1225 | DataSet ds = getCurrentDataSet();
|
---|
1226 | if (ds == null) return null;
|
---|
1227 | if (currentBaseNode != null && !ds.getSelected().isEmpty()) {
|
---|
1228 | Way continueFrom = getWayForNode(currentBaseNode);
|
---|
1229 | if (continueFrom != null)
|
---|
1230 | return Collections.<OsmPrimitive>singleton(continueFrom);
|
---|
1231 | }
|
---|
1232 | return ds.getSelected();
|
---|
1233 | }
|
---|
1234 |
|
---|
1235 | @Override
|
---|
1236 | public boolean layerIsSupported(Layer l) {
|
---|
1237 | return l instanceof OsmDataLayer;
|
---|
1238 | }
|
---|
1239 |
|
---|
1240 | @Override
|
---|
1241 | protected void updateEnabledState() {
|
---|
1242 | setEnabled(getEditLayer() != null);
|
---|
1243 | }
|
---|
1244 |
|
---|
1245 | @Override
|
---|
1246 | public void destroy() {
|
---|
1247 | super.destroy();
|
---|
1248 | snapChangeAction.destroy();
|
---|
1249 | }
|
---|
1250 |
|
---|
1251 | public class BackSpaceAction extends AbstractAction {
|
---|
1252 |
|
---|
1253 | @Override
|
---|
1254 | public void actionPerformed(ActionEvent e) {
|
---|
1255 | Main.main.undoRedo.undo();
|
---|
1256 | Node n=null;
|
---|
1257 | Command lastCmd=Main.main.undoRedo.commands.peekLast();
|
---|
1258 | if (lastCmd==null) return;
|
---|
1259 | for (OsmPrimitive p: lastCmd.getParticipatingPrimitives()) {
|
---|
1260 | if (p instanceof Node) {
|
---|
1261 | if (n==null) {
|
---|
1262 | n=(Node) p; // found one node
|
---|
1263 | wayIsFinished=false;
|
---|
1264 | } else {
|
---|
1265 | // if more than 1 node were affected by previous command,
|
---|
1266 | // we have no way to continue, so we forget about found node
|
---|
1267 | n=null;
|
---|
1268 | break;
|
---|
1269 | }
|
---|
1270 | }
|
---|
1271 | }
|
---|
1272 | // select last added node - maybe we will continue drawing from it
|
---|
1273 | if (n!=null) {
|
---|
1274 | getCurrentDataSet().addSelected(n);
|
---|
1275 | }
|
---|
1276 | }
|
---|
1277 | }
|
---|
1278 |
|
---|
1279 | private class SnapHelper {
|
---|
1280 | boolean snapOn; // snapping is turned on
|
---|
1281 |
|
---|
1282 | private boolean active; // snapping is active for current mouse position
|
---|
1283 | private boolean fixed; // snap angle is fixed
|
---|
1284 | private boolean absoluteFix; // snap angle is absolute
|
---|
1285 |
|
---|
1286 | private boolean drawConstructionGeometry;
|
---|
1287 | private boolean showProjectedPoint;
|
---|
1288 | private boolean showAngle;
|
---|
1289 |
|
---|
1290 | private boolean snapToProjections;
|
---|
1291 |
|
---|
1292 | EastNorth dir2;
|
---|
1293 | EastNorth projected;
|
---|
1294 | String labelText;
|
---|
1295 | double lastAngle;
|
---|
1296 |
|
---|
1297 | double customBaseHeading=-1; // angle of base line, if not last segment)
|
---|
1298 | private EastNorth segmentPoint1; // remembered first point of base segment
|
---|
1299 | private EastNorth segmentPoint2; // remembered second point of base segment
|
---|
1300 | private EastNorth projectionSource; // point that we are projecting to the line
|
---|
1301 |
|
---|
1302 | double[] snapAngles;
|
---|
1303 | double snapAngleTolerance;
|
---|
1304 |
|
---|
1305 | double pe,pn; // (pe,pn) - direction of snapping line
|
---|
1306 | double e0,n0; // (e0,n0) - origin of snapping line
|
---|
1307 |
|
---|
1308 | final String fixFmt="%d "+tr("FIX");
|
---|
1309 | Color snapHelperColor;
|
---|
1310 | private Color highlightColor;
|
---|
1311 |
|
---|
1312 | private Stroke normalStroke;
|
---|
1313 | private Stroke helperStroke;
|
---|
1314 | private Stroke highlightStroke;
|
---|
1315 |
|
---|
1316 | JCheckBoxMenuItem checkBox;
|
---|
1317 | public final Color ORANGE_TRANSPARENT = new Color(Color.ORANGE.getRed(),Color.ORANGE.getGreen(),Color.ORANGE.getBlue(),128);
|
---|
1318 |
|
---|
1319 | public void init() {
|
---|
1320 | snapOn=false;
|
---|
1321 | checkBox.setState(snapOn);
|
---|
1322 | fixed=false; absoluteFix=false;
|
---|
1323 |
|
---|
1324 | Collection<String> angles = Main.pref.getCollection("draw.anglesnap.angles",
|
---|
1325 | Arrays.asList("0","30","45","60","90","120","135","150","180"));
|
---|
1326 |
|
---|
1327 | snapAngles = new double[2*angles.size()];
|
---|
1328 | int i=0;
|
---|
1329 | for (String s: angles) {
|
---|
1330 | try {
|
---|
1331 | snapAngles[i] = Double.parseDouble(s); i++;
|
---|
1332 | snapAngles[i] = 360-Double.parseDouble(s); i++;
|
---|
1333 | } catch (NumberFormatException e) {
|
---|
1334 | Main.warn("Incorrect number in draw.anglesnap.angles preferences: "+s);
|
---|
1335 | snapAngles[i]=0;i++;
|
---|
1336 | snapAngles[i]=0;i++;
|
---|
1337 | }
|
---|
1338 | }
|
---|
1339 | snapAngleTolerance = Main.pref.getDouble("draw.anglesnap.tolerance", 5.0);
|
---|
1340 | drawConstructionGeometry = Main.pref.getBoolean("draw.anglesnap.drawConstructionGeometry", true);
|
---|
1341 | showProjectedPoint = Main.pref.getBoolean("draw.anglesnap.drawProjectedPoint", true);
|
---|
1342 | snapToProjections = Main.pref.getBoolean("draw.anglesnap.projectionsnap", true);
|
---|
1343 |
|
---|
1344 | showAngle = Main.pref.getBoolean("draw.anglesnap.showAngle", true);
|
---|
1345 | useRepeatedShortcut = Main.pref.getBoolean("draw.anglesnap.toggleOnRepeatedA", true);
|
---|
1346 |
|
---|
1347 | normalStroke = rubberLineStroke;
|
---|
1348 | snapHelperColor = Main.pref.getColor(marktr("draw angle snap"), Color.ORANGE);
|
---|
1349 |
|
---|
1350 | highlightColor = Main.pref.getColor(marktr("draw angle snap highlight"), ORANGE_TRANSPARENT);
|
---|
1351 | highlightStroke = GuiHelper.getCustomizedStroke(Main.pref.get("draw.anglesnap.stroke.highlight","10"));
|
---|
1352 | helperStroke = GuiHelper.getCustomizedStroke(Main.pref.get("draw.anglesnap.stroke.helper","1 4"));
|
---|
1353 | }
|
---|
1354 |
|
---|
1355 | public void saveAngles(String ... angles) {
|
---|
1356 | Main.pref.putCollection("draw.anglesnap.angles", Arrays.asList(angles));
|
---|
1357 | }
|
---|
1358 |
|
---|
1359 | public void setMenuCheckBox(JCheckBoxMenuItem checkBox) {
|
---|
1360 | this.checkBox = checkBox;
|
---|
1361 | }
|
---|
1362 |
|
---|
1363 | public void drawIfNeeded(Graphics2D g2, MapView mv) {
|
---|
1364 | if (!snapOn || !active)
|
---|
1365 | return;
|
---|
1366 | Point p1=mv.getPoint(currentBaseNode);
|
---|
1367 | Point p2=mv.getPoint(dir2);
|
---|
1368 | Point p3=mv.getPoint(projected);
|
---|
1369 | GeneralPath b;
|
---|
1370 | if (drawConstructionGeometry) {
|
---|
1371 | g2.setColor(snapHelperColor);
|
---|
1372 | g2.setStroke(helperStroke);
|
---|
1373 |
|
---|
1374 | b = new GeneralPath();
|
---|
1375 | if (absoluteFix) {
|
---|
1376 | b.moveTo(p2.x,p2.y);
|
---|
1377 | b.lineTo(2*p1.x-p2.x,2*p1.y-p2.y); // bi-directional line
|
---|
1378 | } else {
|
---|
1379 | b.moveTo(p2.x,p2.y);
|
---|
1380 | b.lineTo(p3.x,p3.y);
|
---|
1381 | }
|
---|
1382 | g2.draw(b);
|
---|
1383 | }
|
---|
1384 | if (projectionSource != null) {
|
---|
1385 | g2.setColor(snapHelperColor);
|
---|
1386 | g2.setStroke(helperStroke);
|
---|
1387 | b = new GeneralPath();
|
---|
1388 | b.moveTo(p3.x,p3.y);
|
---|
1389 | Point pp=mv.getPoint(projectionSource);
|
---|
1390 | b.lineTo(pp.x,pp.y);
|
---|
1391 | g2.draw(b);
|
---|
1392 | }
|
---|
1393 |
|
---|
1394 | if (customBaseHeading >= 0) {
|
---|
1395 | g2.setColor(highlightColor);
|
---|
1396 | g2.setStroke(highlightStroke);
|
---|
1397 | b = new GeneralPath();
|
---|
1398 | Point pp1=mv.getPoint(segmentPoint1);
|
---|
1399 | Point pp2=mv.getPoint(segmentPoint2);
|
---|
1400 | b.moveTo(pp1.x,pp1.y);
|
---|
1401 | b.lineTo(pp2.x,pp2.y);
|
---|
1402 | g2.draw(b);
|
---|
1403 | }
|
---|
1404 |
|
---|
1405 | g2.setColor(rubberLineColor);
|
---|
1406 | g2.setStroke(normalStroke);
|
---|
1407 | b = new GeneralPath();
|
---|
1408 | b.moveTo(p1.x,p1.y);
|
---|
1409 | b.lineTo(p3.x,p3.y);
|
---|
1410 | g2.draw(b);
|
---|
1411 |
|
---|
1412 | g2.drawString(labelText, p3.x-5, p3.y+20);
|
---|
1413 | if (showProjectedPoint) {
|
---|
1414 | g2.setStroke(normalStroke);
|
---|
1415 | g2.drawOval(p3.x-5, p3.y-5, 10, 10); // projected point
|
---|
1416 | }
|
---|
1417 |
|
---|
1418 | g2.setColor(snapHelperColor);
|
---|
1419 | g2.setStroke(helperStroke);
|
---|
1420 | }
|
---|
1421 |
|
---|
1422 | /* If mouse position is close to line at 15-30-45-... angle, remembers this direction
|
---|
1423 | */
|
---|
1424 | public void checkAngleSnapping(EastNorth currentEN, double baseHeading, double curHeading) {
|
---|
1425 | EastNorth p0 = currentBaseNode.getEastNorth();
|
---|
1426 | EastNorth snapPoint = currentEN;
|
---|
1427 | double angle = -1;
|
---|
1428 |
|
---|
1429 | double activeBaseHeading = (customBaseHeading>=0)? customBaseHeading : baseHeading;
|
---|
1430 |
|
---|
1431 | if (snapOn && (activeBaseHeading>=0)) {
|
---|
1432 | angle = curHeading - activeBaseHeading;
|
---|
1433 | if (angle < 0) {
|
---|
1434 | angle+=360;
|
---|
1435 | }
|
---|
1436 | if (angle > 360) {
|
---|
1437 | angle=0;
|
---|
1438 | }
|
---|
1439 |
|
---|
1440 | double nearestAngle;
|
---|
1441 | if (fixed) {
|
---|
1442 | nearestAngle = lastAngle; // if direction is fixed use previous angle
|
---|
1443 | active = true;
|
---|
1444 | } else {
|
---|
1445 | nearestAngle = getNearestAngle(angle);
|
---|
1446 | if (getAngleDelta(nearestAngle, angle) < snapAngleTolerance) {
|
---|
1447 | active = (customBaseHeading>=0)? true : Math.abs(nearestAngle - 180) > 1e-3;
|
---|
1448 | // if angle is to previous segment, exclude 180 degrees
|
---|
1449 | lastAngle = nearestAngle;
|
---|
1450 | } else {
|
---|
1451 | active=false;
|
---|
1452 | }
|
---|
1453 | }
|
---|
1454 |
|
---|
1455 | if (active) {
|
---|
1456 | double phi;
|
---|
1457 | e0 = p0.east();
|
---|
1458 | n0 = p0.north();
|
---|
1459 | buildLabelText((nearestAngle<=180) ? nearestAngle : nearestAngle-360);
|
---|
1460 |
|
---|
1461 | phi = (nearestAngle + activeBaseHeading) * Math.PI / 180;
|
---|
1462 | // (pe,pn) - direction of snapping line
|
---|
1463 | pe = Math.sin(phi);
|
---|
1464 | pn = Math.cos(phi);
|
---|
1465 | double scale = 20 * Main.map.mapView.getDist100Pixel();
|
---|
1466 | dir2 = new EastNorth(e0 + scale * pe, n0 + scale * pn);
|
---|
1467 | snapPoint = getSnapPoint(currentEN);
|
---|
1468 | } else {
|
---|
1469 | noSnapNow();
|
---|
1470 | }
|
---|
1471 | }
|
---|
1472 |
|
---|
1473 | // find out the distance, in metres, between the base point and projected point
|
---|
1474 | LatLon mouseLatLon = Main.map.mapView.getProjection().eastNorth2latlon(snapPoint);
|
---|
1475 | double distance = currentBaseNode.getCoor().greatCircleDistance(mouseLatLon);
|
---|
1476 | double hdg = Math.toDegrees(p0.heading(snapPoint));
|
---|
1477 | // heading of segment from current to calculated point, not to mouse position
|
---|
1478 |
|
---|
1479 | if (baseHeading >=0 ) { // there is previous line segment with some heading
|
---|
1480 | angle = hdg - baseHeading;
|
---|
1481 | if (angle < 0) {
|
---|
1482 | angle+=360;
|
---|
1483 | }
|
---|
1484 | if (angle > 360) {
|
---|
1485 | angle=0;
|
---|
1486 | }
|
---|
1487 | }
|
---|
1488 | showStatusInfo(angle, hdg, distance, isSnapOn());
|
---|
1489 | }
|
---|
1490 |
|
---|
1491 | private void buildLabelText(double nearestAngle) {
|
---|
1492 | if (showAngle) {
|
---|
1493 | if (fixed) {
|
---|
1494 | if (absoluteFix) {
|
---|
1495 | labelText = "=";
|
---|
1496 | } else {
|
---|
1497 | labelText = String.format(fixFmt, (int) nearestAngle);
|
---|
1498 | }
|
---|
1499 | } else {
|
---|
1500 | labelText = String.format("%d", (int) nearestAngle);
|
---|
1501 | }
|
---|
1502 | } else {
|
---|
1503 | if (fixed) {
|
---|
1504 | if (absoluteFix) {
|
---|
1505 | labelText = "=";
|
---|
1506 | } else {
|
---|
1507 | labelText = String.format(tr("FIX"), 0);
|
---|
1508 | }
|
---|
1509 | } else {
|
---|
1510 | labelText = "";
|
---|
1511 | }
|
---|
1512 | }
|
---|
1513 | }
|
---|
1514 |
|
---|
1515 | public EastNorth getSnapPoint(EastNorth p) {
|
---|
1516 | if (!active)
|
---|
1517 | return p;
|
---|
1518 | double de=p.east()-e0;
|
---|
1519 | double dn=p.north()-n0;
|
---|
1520 | double l = de*pe+dn*pn;
|
---|
1521 | double delta = Main.map.mapView.getDist100Pixel()/20;
|
---|
1522 | if (!absoluteFix && l<delta) {
|
---|
1523 | active=false;
|
---|
1524 | return p;
|
---|
1525 | } // do not go backward!
|
---|
1526 |
|
---|
1527 | projectionSource=null;
|
---|
1528 | if (snapToProjections) {
|
---|
1529 | DataSet ds = getCurrentDataSet();
|
---|
1530 | Collection<Way> selectedWays = ds.getSelectedWays();
|
---|
1531 | if (selectedWays.size()==1) {
|
---|
1532 | Way w = selectedWays.iterator().next();
|
---|
1533 | Collection <EastNorth> pointsToProject = new ArrayList<>();
|
---|
1534 | if (w.getNodesCount()<1000) {
|
---|
1535 | for (Node n: w.getNodes()) {
|
---|
1536 | pointsToProject.add(n.getEastNorth());
|
---|
1537 | }
|
---|
1538 | }
|
---|
1539 | if (customBaseHeading >=0 ) {
|
---|
1540 | pointsToProject.add(segmentPoint1);
|
---|
1541 | pointsToProject.add(segmentPoint2);
|
---|
1542 | }
|
---|
1543 | EastNorth enOpt=null;
|
---|
1544 | double dOpt=1e5;
|
---|
1545 | for (EastNorth en: pointsToProject) { // searching for besht projection
|
---|
1546 | double l1 = (en.east()-e0)*pe+(en.north()-n0)*pn;
|
---|
1547 | double d1 = Math.abs(l1-l);
|
---|
1548 | if (d1 < delta && d1 < dOpt) {
|
---|
1549 | l=l1;
|
---|
1550 | enOpt = en;
|
---|
1551 | dOpt = d1;
|
---|
1552 | }
|
---|
1553 | }
|
---|
1554 | if (enOpt!=null) {
|
---|
1555 | projectionSource = enOpt;
|
---|
1556 | }
|
---|
1557 | }
|
---|
1558 | }
|
---|
1559 | return projected = new EastNorth(e0+l*pe, n0+l*pn);
|
---|
1560 | }
|
---|
1561 |
|
---|
1562 |
|
---|
1563 | public void noSnapNow() {
|
---|
1564 | active=false;
|
---|
1565 | dir2=null; projected=null;
|
---|
1566 | labelText=null;
|
---|
1567 | }
|
---|
1568 |
|
---|
1569 | public void setBaseSegment(WaySegment seg) {
|
---|
1570 | if (seg==null) return;
|
---|
1571 | segmentPoint1=seg.getFirstNode().getEastNorth();
|
---|
1572 | segmentPoint2=seg.getSecondNode().getEastNorth();
|
---|
1573 |
|
---|
1574 | double hdg = segmentPoint1.heading(segmentPoint2);
|
---|
1575 | hdg=Math.toDegrees(hdg);
|
---|
1576 | if (hdg<0) {
|
---|
1577 | hdg+=360;
|
---|
1578 | }
|
---|
1579 | if (hdg>360) {
|
---|
1580 | hdg-=360;
|
---|
1581 | }
|
---|
1582 | customBaseHeading=hdg;
|
---|
1583 | }
|
---|
1584 |
|
---|
1585 | private void nextSnapMode() {
|
---|
1586 | if (snapOn) {
|
---|
1587 | // turn off snapping if we are in fixed mode or no actile snapping line exist
|
---|
1588 | if (fixed || !active) { snapOn=false; unsetFixedMode(); } else {
|
---|
1589 | setFixedMode();
|
---|
1590 | }
|
---|
1591 | } else {
|
---|
1592 | snapOn=true;
|
---|
1593 | unsetFixedMode();
|
---|
1594 | }
|
---|
1595 | checkBox.setState(snapOn);
|
---|
1596 | customBaseHeading=-1;
|
---|
1597 | }
|
---|
1598 |
|
---|
1599 | private void enableSnapping() {
|
---|
1600 | snapOn = true;
|
---|
1601 | checkBox.setState(snapOn);
|
---|
1602 | customBaseHeading=-1;
|
---|
1603 | unsetFixedMode();
|
---|
1604 | }
|
---|
1605 |
|
---|
1606 | private void toggleSnapping() {
|
---|
1607 | snapOn = !snapOn;
|
---|
1608 | checkBox.setState(snapOn);
|
---|
1609 | customBaseHeading=-1;
|
---|
1610 | unsetFixedMode();
|
---|
1611 | }
|
---|
1612 |
|
---|
1613 | public void setFixedMode() {
|
---|
1614 | if (active) {
|
---|
1615 | fixed=true;
|
---|
1616 | }
|
---|
1617 | }
|
---|
1618 |
|
---|
1619 |
|
---|
1620 | public void unsetFixedMode() {
|
---|
1621 | fixed=false;
|
---|
1622 | absoluteFix=false;
|
---|
1623 | lastAngle=0;
|
---|
1624 | active=false;
|
---|
1625 | }
|
---|
1626 |
|
---|
1627 | public boolean isActive() {
|
---|
1628 | return active;
|
---|
1629 | }
|
---|
1630 |
|
---|
1631 | public boolean isSnapOn() {
|
---|
1632 | return snapOn;
|
---|
1633 | }
|
---|
1634 |
|
---|
1635 | private double getNearestAngle(double angle) {
|
---|
1636 | double delta,minDelta=1e5, bestAngle=0.0;
|
---|
1637 | for (double snapAngle : snapAngles) {
|
---|
1638 | delta = getAngleDelta(angle, snapAngle);
|
---|
1639 | if (delta < minDelta) {
|
---|
1640 | minDelta = delta;
|
---|
1641 | bestAngle = snapAngle;
|
---|
1642 | }
|
---|
1643 | }
|
---|
1644 | if (Math.abs(bestAngle-360) < 1e-3) {
|
---|
1645 | bestAngle=0;
|
---|
1646 | }
|
---|
1647 | return bestAngle;
|
---|
1648 | }
|
---|
1649 |
|
---|
1650 | private double getAngleDelta(double a, double b) {
|
---|
1651 | double delta = Math.abs(a-b);
|
---|
1652 | if (delta>180)
|
---|
1653 | return 360-delta;
|
---|
1654 | else
|
---|
1655 | return delta;
|
---|
1656 | }
|
---|
1657 |
|
---|
1658 | private void unFixOrTurnOff() {
|
---|
1659 | if (absoluteFix) {
|
---|
1660 | unsetFixedMode();
|
---|
1661 | } else {
|
---|
1662 | toggleSnapping();
|
---|
1663 | }
|
---|
1664 | }
|
---|
1665 |
|
---|
1666 | MouseListener anglePopupListener = new PopupMenuLauncher( new JPopupMenu() {
|
---|
1667 | JCheckBoxMenuItem repeatedCb = new JCheckBoxMenuItem(new AbstractAction(tr("Toggle snapping by {0}", getShortcut().getKeyText())){
|
---|
1668 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1669 | boolean sel=((JCheckBoxMenuItem) e.getSource()).getState();
|
---|
1670 | Main.pref.put("draw.anglesnap.toggleOnRepeatedA", sel);
|
---|
1671 | init();
|
---|
1672 | }
|
---|
1673 | });
|
---|
1674 | JCheckBoxMenuItem helperCb = new JCheckBoxMenuItem(new AbstractAction(tr("Show helper geometry")){
|
---|
1675 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1676 | boolean sel=((JCheckBoxMenuItem) e.getSource()).getState();
|
---|
1677 | Main.pref.put("draw.anglesnap.drawConstructionGeometry", sel);
|
---|
1678 | Main.pref.put("draw.anglesnap.drawProjectedPoint", sel);
|
---|
1679 | Main.pref.put("draw.anglesnap.showAngle", sel);
|
---|
1680 | init();
|
---|
1681 | enableSnapping();
|
---|
1682 | }
|
---|
1683 | });
|
---|
1684 | JCheckBoxMenuItem projectionCb = new JCheckBoxMenuItem(new AbstractAction(tr("Snap to node projections")){
|
---|
1685 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1686 | boolean sel=((JCheckBoxMenuItem) e.getSource()).getState();
|
---|
1687 | Main.pref.put("draw.anglesnap.projectionsnap", sel);
|
---|
1688 | init();
|
---|
1689 | enableSnapping();
|
---|
1690 | }
|
---|
1691 | });
|
---|
1692 | {
|
---|
1693 | helperCb.setState(Main.pref.getBoolean("draw.anglesnap.drawConstructionGeometry",true));
|
---|
1694 | projectionCb.setState(Main.pref.getBoolean("draw.anglesnap.projectionsnapgvff",true));
|
---|
1695 | repeatedCb.setState(Main.pref.getBoolean("draw.anglesnap.toggleOnRepeatedA",true));
|
---|
1696 | add(repeatedCb);
|
---|
1697 | add(helperCb);
|
---|
1698 | add(projectionCb);
|
---|
1699 | add(new AbstractAction(tr("Disable")) {
|
---|
1700 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1701 | saveAngles("180");
|
---|
1702 | init();
|
---|
1703 | enableSnapping();
|
---|
1704 | }
|
---|
1705 | });
|
---|
1706 | add(new AbstractAction(tr("0,90,...")) {
|
---|
1707 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1708 | saveAngles("0","90","180");
|
---|
1709 | init();
|
---|
1710 | enableSnapping();
|
---|
1711 | }
|
---|
1712 | });
|
---|
1713 | add(new AbstractAction(tr("0,45,90,...")) {
|
---|
1714 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1715 | saveAngles("0","45","90","135","180");
|
---|
1716 | init();
|
---|
1717 | enableSnapping();
|
---|
1718 | }
|
---|
1719 | });
|
---|
1720 | add(new AbstractAction(tr("0,30,45,60,90,...")) {
|
---|
1721 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1722 | saveAngles("0","30","45","60","90","120","135","150","180");
|
---|
1723 | init();
|
---|
1724 | enableSnapping();
|
---|
1725 | }
|
---|
1726 | });
|
---|
1727 | }
|
---|
1728 | }) {
|
---|
1729 | @Override
|
---|
1730 | public void mouseClicked(MouseEvent e) {
|
---|
1731 | super.mouseClicked(e);
|
---|
1732 | if (e.getButton() == MouseEvent.BUTTON1) {
|
---|
1733 | toggleSnapping();
|
---|
1734 | updateStatusLine();
|
---|
1735 | }
|
---|
1736 | }
|
---|
1737 | };
|
---|
1738 | }
|
---|
1739 |
|
---|
1740 | private class SnapChangeAction extends JosmAction {
|
---|
1741 | public SnapChangeAction() {
|
---|
1742 | super(tr("Angle snapping"), "anglesnap",
|
---|
1743 | tr("Switch angle snapping mode while drawing"), null, false);
|
---|
1744 | putValue("help", ht("/Action/Draw/AngleSnap"));
|
---|
1745 | }
|
---|
1746 |
|
---|
1747 | @Override
|
---|
1748 | public void actionPerformed(ActionEvent e) {
|
---|
1749 | if (snapHelper!=null) {
|
---|
1750 | snapHelper.toggleSnapping();
|
---|
1751 | }
|
---|
1752 | }
|
---|
1753 | }
|
---|
1754 | }
|
---|