| 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("Edit: {0}", tr("Move Node...")),
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| 33 | KeyEvent.VK_M, 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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