1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions;
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3 |
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4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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7 | import java.awt.event.ActionEvent;
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8 | import java.awt.event.KeyEvent;
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9 | import java.util.Collection;
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10 |
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11 | import org.openstreetmap.josm.command.MoveCommand;
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12 | import org.openstreetmap.josm.data.UndoRedoHandler;
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13 | import org.openstreetmap.josm.data.coor.LatLon;
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14 | import org.openstreetmap.josm.data.osm.Node;
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15 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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16 | import org.openstreetmap.josm.data.osm.OsmUtils;
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17 | import org.openstreetmap.josm.gui.MainApplication;
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18 | import org.openstreetmap.josm.gui.dialogs.LatLonDialog;
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19 | import org.openstreetmap.josm.tools.Shortcut;
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20 |
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21 | /**
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22 | * This action displays a dialog with the coordinates of a node where the user can change them,
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23 | * and when ok is pressed, the node is relocated to the specified position.
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24 | */
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25 | public final class MoveNodeAction extends JosmAction {
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26 |
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27 | /**
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28 | * Constructs a new {@code MoveNodeAction}.
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29 | */
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30 | public MoveNodeAction() {
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31 | super(tr("Move Node..."), "movenode", tr("Edit latitude and longitude of a node."),
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32 | Shortcut.registerShortcut("movenode", tr("Tools: {0}", tr("Move Node...")),
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33 | KeyEvent.CHAR_UNDEFINED, Shortcut.NONE), true);
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34 | setHelpId(ht("/Action/MoveNode"));
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35 | }
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36 |
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37 | @Override
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38 | public void actionPerformed(ActionEvent e) {
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39 | Collection<Node> selNodes = getLayerManager().getEditDataSet().getSelectedNodes();
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40 | if (!isEnabled() || selNodes.size() != 1)
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41 | return;
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42 |
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43 | LatLonDialog dialog = new LatLonDialog(MainApplication.getMainFrame(), tr("Move Node..."), ht("/Action/MoveNode"));
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44 | Node n = (Node) selNodes.toArray()[0];
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45 | dialog.setCoordinates(n.getCoor());
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46 | dialog.showDialog();
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47 | if (dialog.getValue() != 1)
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48 | return;
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49 |
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50 | LatLon coordinates = dialog.getCoordinates();
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51 | if (coordinates == null)
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52 | return;
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53 |
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54 | // move the node
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55 | UndoRedoHandler.getInstance().add(new MoveCommand(n, coordinates));
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56 | if (n.getCoor().distance(coordinates) > 1) {
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57 | // see #13538: Avoid rounding error near 180 longitude which moves nodes too far
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58 | if (coordinates.lon() >= 180.0) {
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59 | coordinates = new LatLon(coordinates.lat(), Math.nextDown(180.0));
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60 | } else if (coordinates.lon() <= -180.0) {
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61 | coordinates = new LatLon(coordinates.lat(), Math.nextUp(-180.0));
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62 | }
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63 | UndoRedoHandler.getInstance().undo(1);
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64 | UndoRedoHandler.getInstance().add(new MoveCommand(n, coordinates));
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65 | }
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66 | MainApplication.getMap().mapView.repaint();
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67 | }
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68 |
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69 | @Override
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70 | protected void updateEnabledState() {
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71 | updateEnabledStateOnCurrentSelection();
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72 | }
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73 |
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74 | @Override
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75 | protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
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76 | setEnabled(OsmUtils.isOsmCollectionEditable(selection) && selection.size() == 1 && selection.toArray()[0] instanceof Node);
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77 | }
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78 | }
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