source: osm/applications/editors/josm/plugins/utilsplugin/src/UtilsPlugin/JumpToAction.java@ 13457

Last change on this file since 13457 was 13456, checked in by stoecker, 17 years ago

fixed #1721
File size: 6.0 KB
Line 
1package UtilsPlugin;
2
3import static org.openstreetmap.josm.tools.I18n.tr;
4
5import java.awt.BorderLayout;
6import java.awt.Component;
7import java.awt.event.ActionEvent;
8import java.awt.event.InputEvent;
9import java.awt.event.KeyEvent;
10import java.awt.event.MouseListener;
11import java.awt.event.MouseEvent;
12import java.awt.GridBagLayout;
13import java.awt.GridLayout;
14import java.awt.Toolkit;
15
16import javax.swing.Box;
17import javax.swing.event.DocumentListener;
18import javax.swing.event.DocumentEvent;
19import javax.swing.JComponent;
20import javax.swing.JDialog;
21import javax.swing.JLabel;
22import javax.swing.JOptionPane;
23import javax.swing.JPanel;
24import javax.swing.JTextField;
25import javax.swing.KeyStroke;
26
27import org.openstreetmap.josm.Main;
28import org.openstreetmap.josm.actions.JosmAction;
29import org.openstreetmap.josm.data.Bounds;
30import org.openstreetmap.josm.data.coor.EastNorth;
31import org.openstreetmap.josm.data.coor.LatLon;
32import org.openstreetmap.josm.gui.dialogs.ToggleDialog;
33import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
34import org.openstreetmap.josm.tools.GBC;
35import org.openstreetmap.josm.tools.OsmUrlToBounds;
36import org.openstreetmap.josm.tools.Shortcut;
37
38public class JumpToAction extends JosmAction implements MouseListener {
39 public JumpToAction() {
40 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")),
41 KeyEvent.VK_G, Shortcut.GROUP_HOTKEY), true);
42 }
43
44 public JTextField url = new JTextField();
45 public JTextField lat = new JTextField();
46 public JTextField lon = new JTextField();
47 public void showJumpToDialog() {
48 LatLon curPos=Main.proj.eastNorth2latlon(Main.map.mapView.getCenter());
49 lat.setText(java.lang.Double.toString(curPos.lat()));
50 lon.setText(java.lang.Double.toString(curPos.lon()));
51 updateUrl(true);
52
53 JPanel panel = new JPanel(new BorderLayout());
54 panel.add(new JLabel("<html>"
55 + tr("Enter Lat/Lon to jump to position.")
56 + "<br>"
57 + tr("You can also paste an URL from www.openstreetmap.org")
58 + "<br>"
59 + "</html>"),
60 BorderLayout.NORTH);
61
62 class osmURLListener implements DocumentListener {
63 public void changedUpdate(DocumentEvent e) { parseURL(); }
64 public void insertUpdate(DocumentEvent e) { parseURL(); }
65 public void removeUpdate(DocumentEvent e) { parseURL(); }
66 }
67
68 class osmLonLatListener implements DocumentListener {
69 public void changedUpdate(DocumentEvent e) { updateUrl(false); }
70 public void insertUpdate(DocumentEvent e) { updateUrl(false); }
71 public void removeUpdate(DocumentEvent e) { updateUrl(false); }
72 }
73
74 osmLonLatListener x=new osmLonLatListener();
75 lat.getDocument().addDocumentListener(x);
76 lon.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("URL")), GBC.eol());
89 p.add(url, GBC.eol().fill(GBC.HORIZONTAL));
90
91 Object[] buttons = { tr("Jump there"), tr("Cancel") };
92 LatLon ll = null;
93 while(ll == null) {
94 int option = JOptionPane.showOptionDialog(
95 Main.parent,
96 panel,
97 tr("Jump to Position"),
98 JOptionPane.OK_CANCEL_OPTION,
99 JOptionPane.PLAIN_MESSAGE,
100 null,
101 buttons,
102 buttons[0]);
103
104 if (option != JOptionPane.OK_OPTION) return;
105 try {
106 ll = new LatLon(Double.parseDouble(lat.getText()), Double.parseDouble(lon.getText()));
107 } catch (Exception ex) {
108 JOptionPane.showMessageDialog(Main.parent, tr("Could not parse Latitude or Longitude. Please check."), tr("Unable to parse Lon/Lat"), JOptionPane.ERROR_MESSAGE);
109 }
110 }
111
112 Main.map.mapView.zoomTo(Main.proj.latlon2eastNorth(ll), Main.map.mapView.getScale());
113
114
115 }
116
117 private void parseURL() {
118 if(!url.hasFocus()) return;
119 Bounds b = OsmUrlToBounds.parse(url.getText());
120 if (b != null) {
121 lat.setText(java.lang.Double.toString((b.min.lat() + b.max.lat())/2));
122 lon.setText(java.lang.Double.toString((b.min.lon() + b.max.lon())/2));
123 }
124 }
125
126 private void updateUrl(boolean force) {
127 if(!lat.hasFocus() && !lon.hasFocus() && !force) return;
128 try {
129 double dlat = Double.parseDouble(lat.getText());
130 double dlon = Double.parseDouble(lon.getText());
131 int zoom = Main.map.mapView.zoom();
132
133 int decimals = (int) Math.pow(10, (zoom / 3));
134 dlat = Math.round(dlat * decimals);
135 dlat /= decimals;
136 dlon = Math.round(dlon * decimals);
137 dlon /= decimals;
138 url.setText("http://www.openstreetmap.org/?lat="+dlat+"&lon="+dlon+"&zoom="+zoom);
139 } catch (NumberFormatException x) {}
140 }
141
142 public void actionPerformed(ActionEvent e) {
143 showJumpToDialog();
144 }
145
146 public void mousePressed(MouseEvent e) {}
147
148 public void mouseReleased(MouseEvent e) {}
149
150 public void mouseEntered(MouseEvent e) {}
151
152 public void mouseExited(MouseEvent e) {}
153
154 public void mouseClicked(MouseEvent e) {
155 showJumpToDialog();
156 }
157}
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