source: osm/applications/editors/josm/plugins/utilsplugin/src/UtilsPlugin/JumpToAction.java@ 18297

Last change on this file since 18297 was 18297, checked in by guggis, 15 years ago

Updated to JOSM r2327
  • Property svn:eol-style set to native
File size: 6.9 KB
Line 
1package UtilsPlugin;
2
3import static org.openstreetmap.josm.tools.I18n.tr;
4
5import java.awt.BorderLayout;
6import java.awt.GridBagLayout;
7import java.awt.event.ActionEvent;
8import java.awt.event.KeyEvent;
9import java.awt.event.MouseEvent;
10import java.awt.event.MouseListener;
11
12import javax.swing.JLabel;
13import javax.swing.JOptionPane;
14import javax.swing.JPanel;
15import javax.swing.JTextField;
16import javax.swing.event.DocumentEvent;
17import javax.swing.event.DocumentListener;
18
19import org.openstreetmap.josm.Main;
20import org.openstreetmap.josm.actions.JosmAction;
21import org.openstreetmap.josm.data.Bounds;
22import org.openstreetmap.josm.data.coor.LatLon;
23import org.openstreetmap.josm.gui.MapView;
24import org.openstreetmap.josm.tools.GBC;
25import org.openstreetmap.josm.tools.OsmUrlToBounds;
26import org.openstreetmap.josm.tools.Shortcut;
27
28public class JumpToAction extends JosmAction implements MouseListener {
29 public JumpToAction() {
30 super(tr("Jump To Position"), null, tr("Opens a dialog that allows to jump to a specific location"), Shortcut.registerShortcut("tools:jumpto", tr("Tool: {0}", tr("Jump To Position")),
31 KeyEvent.VK_G, Shortcut.GROUP_HOTKEY), true);
32 }
33
34 private JTextField url = new JTextField();
35 private JTextField lat = new JTextField();
36 private JTextField lon = new JTextField();
37 private JTextField zm = new JTextField();
38
39 private double zoomFactor = 0;
40 public void showJumpToDialog() {
41 MapView mv = Main.map.mapView;
42 LatLon curPos=mv.getProjection().eastNorth2latlon(mv.getCenter());
43 lat.setText(java.lang.Double.toString(curPos.lat()));
44 lon.setText(java.lang.Double.toString(curPos.lon()));
45
46 double dist = mv.getDist100Pixel();
47 zoomFactor = 1/dist;
48
49 zm.setText(java.lang.Long.toString(Math.round(dist*100)/100));
50 updateUrl(true);
51
52 JPanel panel = new JPanel(new BorderLayout());
53 panel.add(new JLabel("<html>"
54 + tr("Enter Lat/Lon to jump to position.")
55 + "<br>"
56 + tr("You can also paste an URL from www.openstreetmap.org")
57 + "<br>"
58 + "</html>"),
59 BorderLayout.NORTH);
60
61 class osmURLListener implements DocumentListener {
62 public void changedUpdate(DocumentEvent e) { parseURL(); }
63 public void insertUpdate(DocumentEvent e) { parseURL(); }
64 public void removeUpdate(DocumentEvent e) { parseURL(); }
65 }
66
67 class osmLonLatListener implements DocumentListener {
68 public void changedUpdate(DocumentEvent e) { updateUrl(false); }
69 public void insertUpdate(DocumentEvent e) { updateUrl(false); }
70 public void removeUpdate(DocumentEvent e) { updateUrl(false); }
71 }
72
73 osmLonLatListener x=new osmLonLatListener();
74 lat.getDocument().addDocumentListener(x);
75 lon.getDocument().addDocumentListener(x);
76 zm.getDocument().addDocumentListener(x);
77 url.getDocument().addDocumentListener(new osmURLListener());
78
79 JPanel p = new JPanel(new GridBagLayout());
80 panel.add(p, BorderLayout.NORTH);
81
82 p.add(new JLabel(tr("Latitude")), GBC.eol());
83 p.add(lat, GBC.eol().fill(GBC.HORIZONTAL));
84
85 p.add(new JLabel(tr("Longitude")), GBC.eol());
86 p.add(lon, GBC.eol().fill(GBC.HORIZONTAL));
87
88 p.add(new JLabel(tr("Zoom (in metres)")), GBC.eol());
89 p.add(zm, GBC.eol().fill(GBC.HORIZONTAL));
90
91 p.add(new JLabel(tr("URL")), GBC.eol());
92 p.add(url, GBC.eol().fill(GBC.HORIZONTAL));
93
94 Object[] buttons = { tr("Jump there"), tr("Cancel") };
95 LatLon ll = null;
96 double zoomLvl = 100;
97 while(ll == null) {
98 int option = JOptionPane.showOptionDialog(
99 Main.parent,
100 panel,
101 tr("Jump to Position"),
102 JOptionPane.OK_CANCEL_OPTION,
103 JOptionPane.PLAIN_MESSAGE,
104 null,
105 buttons,
106 buttons[0]);
107
108 if (option != JOptionPane.OK_OPTION) return;
109 try {
110 zoomLvl = Double.parseDouble(zm.getText());
111 ll = new LatLon(Double.parseDouble(lat.getText()), Double.parseDouble(lon.getText()));
112 } catch (Exception ex) {
113 JOptionPane.showMessageDialog(Main.parent, tr("Could not parse Latitude, Longitude or Zoom. Please check."), tr("Unable to parse Lon/Lat"), JOptionPane.ERROR_MESSAGE);
114 }
115 }
116
117 mv.zoomToFactor(mv.getProjection().latlon2eastNorth(ll), zoomFactor * zoomLvl);
118 }
119
120 private void parseURL() {
121 if(!url.hasFocus()) return;
122 Bounds b = OsmUrlToBounds.parse(url.getText());
123 if (b != null) {
124 lat.setText(Double.toString((b.getMin().lat() + b.getMax().lat())/2));
125 lon.setText(Double.toString((b.getMin().lon() + b.getMax().lon())/2));
126
127 int zoomLvl = 16;
128 String[] args = url.getText().substring(url.getText().indexOf('?')+1).split("&");
129 for (String arg : args) {
130 int eq = arg.indexOf('=');
131 if (eq == -1 || !arg.substring(0, eq).equalsIgnoreCase("zoom")) continue;
132
133 zoomLvl = Integer.parseInt(arg.substring(eq + 1));
134 break;
135 }
136
137 // 10 000 000 = 10 000 * 1000 = World * (km -> m)
138 zm.setText(Double.toString(Math.round(10000000 * Math.pow(2, (-1) * zoomLvl))));
139 }
140 }
141
142 private void updateUrl(boolean force) {
143 if(!lat.hasFocus() && !lon.hasFocus() && !zm.hasFocus() && !force) return;
144 try {
145 double dlat = Double.parseDouble(lat.getText());
146 double dlon = Double.parseDouble(lon.getText());
147 double m = Double.parseDouble(zm.getText());
148 // Inverse function to the one above. 18 is the current maximum zoom
149 // available on standard renderers, so choose this is in case m
150 // should be zero
151 int zoomLvl = 18;
152 if(m > 0)
153 zoomLvl = (int)Math.round((-1) * Math.log(m/10000000)/Math.log(2));
154
155 int decimals = (int) Math.pow(10, (zoomLvl / 3));
156 dlat = Math.round(dlat * decimals);
157 dlat /= decimals;
158 dlon = Math.round(dlon * decimals);
159 dlon /= decimals;
160 url.setText("http://www.openstreetmap.org/?lat="+dlat+"&lon="+dlon+"&zoom="+zoomLvl);
161 } catch (NumberFormatException x) {}
162 }
163
164 public void actionPerformed(ActionEvent e) {
165 showJumpToDialog();
166 }
167
168 public void mousePressed(MouseEvent e) {}
169
170 public void mouseReleased(MouseEvent e) {}
171
172 public void mouseEntered(MouseEvent e) {}
173
174 public void mouseExited(MouseEvent e) {}
175
176 public void mouseClicked(MouseEvent e) {
177 showJumpToDialog();
178 }
179}
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