1 | //License: GPL. Copyright 2007 by Immanuel Scholz and others
|
---|
2 | package org.openstreetmap.josm.actions;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.awt.event.ActionEvent;
|
---|
7 | import java.awt.event.KeyEvent;
|
---|
8 | import java.util.Collection;
|
---|
9 |
|
---|
10 | import javax.swing.JOptionPane;
|
---|
11 |
|
---|
12 | import org.openstreetmap.josm.Main;
|
---|
13 | import org.openstreetmap.josm.command.Command;
|
---|
14 | import org.openstreetmap.josm.command.MoveCommand;
|
---|
15 | import org.openstreetmap.josm.data.coor.EastNorth;
|
---|
16 | import org.openstreetmap.josm.data.osm.Node;
|
---|
17 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
|
---|
18 | import org.openstreetmap.josm.data.osm.visitor.AllNodesVisitor;
|
---|
19 |
|
---|
20 | /**
|
---|
21 | * Moves the selection
|
---|
22 | *
|
---|
23 | * @author Frederik Ramm
|
---|
24 | */
|
---|
25 | public class MoveAction extends JosmAction {
|
---|
26 |
|
---|
27 | public enum Direction { UP, LEFT, RIGHT, DOWN };
|
---|
28 | private Direction myDirection;
|
---|
29 |
|
---|
30 | public MoveAction(Direction dir) {
|
---|
31 | super(tr("Move"), null, tr("Moves Objects"),
|
---|
32 | (dir == Direction.UP) ? KeyEvent.VK_UP :
|
---|
33 | (dir == Direction.DOWN) ? KeyEvent.VK_DOWN :
|
---|
34 | (dir == Direction.LEFT) ? KeyEvent.VK_LEFT :
|
---|
35 | KeyEvent.VK_RIGHT, 0, true);
|
---|
36 | myDirection = dir;
|
---|
37 | }
|
---|
38 |
|
---|
39 | public void actionPerformed(ActionEvent event) {
|
---|
40 |
|
---|
41 | // find out how many "real" units the objects have to be moved in order to
|
---|
42 | // achive an 1-pixel movement
|
---|
43 |
|
---|
44 | EastNorth en1 = Main.map.mapView.getEastNorth(100, 100);
|
---|
45 | EastNorth en2 = Main.map.mapView.getEastNorth(101, 101);
|
---|
46 |
|
---|
47 | double distx = en2.east() - en1.east();
|
---|
48 | double disty = en2.north() - en1.north();
|
---|
49 |
|
---|
50 | switch (myDirection) {
|
---|
51 | case UP:
|
---|
52 | distx = 0;
|
---|
53 | disty = -disty;
|
---|
54 | break;
|
---|
55 | case DOWN:
|
---|
56 | distx = 0;
|
---|
57 | break;
|
---|
58 | case LEFT:
|
---|
59 | disty = 0;
|
---|
60 | distx = -distx;
|
---|
61 | default:
|
---|
62 | disty = 0;
|
---|
63 | }
|
---|
64 |
|
---|
65 | Collection<OsmPrimitive> selection = Main.ds.getSelected();
|
---|
66 | Collection<Node> affectedNodes = AllNodesVisitor.getAllNodes(selection);
|
---|
67 |
|
---|
68 | Command c = !Main.main.undoRedo.commands.isEmpty()
|
---|
69 | ? Main.main.undoRedo.commands.getLast() : null;
|
---|
70 |
|
---|
71 | if (c instanceof MoveCommand && affectedNodes.equals(((MoveCommand)c).objects))
|
---|
72 | ((MoveCommand)c).moveAgain(distx, disty);
|
---|
73 | else
|
---|
74 | Main.main.undoRedo.add(
|
---|
75 | c = new MoveCommand(selection, distx, disty));
|
---|
76 |
|
---|
77 | for (Node n : affectedNodes) {
|
---|
78 | if (n.coor.isOutSideWorld()) {
|
---|
79 | // Revert move
|
---|
80 | ((MoveCommand) c).moveAgain(-distx, -disty);
|
---|
81 | JOptionPane.showMessageDialog(Main.parent,
|
---|
82 | tr("Cannot move objects outside of the world."));
|
---|
83 | return;
|
---|
84 | }
|
---|
85 | }
|
---|
86 |
|
---|
87 | Main.map.mapView.repaint();
|
---|
88 | }
|
---|
89 | }
|
---|