source: osm/applications/editors/josm/plugins/utilsplugin/src/UtilsPlugin/JumpToAction.java@ 16290

Last change on this file since 16290 was 16290, checked in by stoecker, 16 years ago

adapted plugins to JOSm 1722, UtilsPlugin still has a problem
  • Property svn:eol-style set to native
File size: 7.0 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.NavigatableComponent;
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 LatLon curPos=Main.proj.eastNorth2latlon(Main.map.mapView.getCenter());
42 lat.setText(java.lang.Double.toString(curPos.lat()));
43 lon.setText(java.lang.Double.toString(curPos.lon()));
44
45 double dist = Main.map.mapView.getDist100Pixel();
46 zoomFactor = 1/dist;
47
48 zm.setText(java.lang.Long.toString(Math.round(dist*100)/100));
49 updateUrl(true);
50
51 JPanel panel = new JPanel(new BorderLayout());
52 panel.add(new JLabel("<html>"
53 + tr("Enter Lat/Lon to jump to position.")
54 + "<br>"
55 + tr("You can also paste an URL from www.openstreetmap.org")
56 + "<br>"
57 + "</html>"),
58 BorderLayout.NORTH);
59
60 class osmURLListener implements DocumentListener {
61 public void changedUpdate(DocumentEvent e) { parseURL(); }
62 public void insertUpdate(DocumentEvent e) { parseURL(); }
63 public void removeUpdate(DocumentEvent e) { parseURL(); }
64 }
65
66 class osmLonLatListener implements DocumentListener {
67 public void changedUpdate(DocumentEvent e) { updateUrl(false); }
68 public void insertUpdate(DocumentEvent e) { updateUrl(false); }
69 public void removeUpdate(DocumentEvent e) { updateUrl(false); }
70 }
71
72 osmLonLatListener x=new osmLonLatListener();
73 lat.getDocument().addDocumentListener(x);
74 lon.getDocument().addDocumentListener(x);
75 zm.getDocument().addDocumentListener(x);
76 url.getDocument().addDocumentListener(new osmURLListener());
77
78 JPanel p = new JPanel(new GridBagLayout());
79 panel.add(p, BorderLayout.NORTH);
80
81 p.add(new JLabel(tr("Latitude")), GBC.eol());
82 p.add(lat, GBC.eol().fill(GBC.HORIZONTAL));
83
84 p.add(new JLabel(tr("Longitude")), GBC.eol());
85 p.add(lon, GBC.eol().fill(GBC.HORIZONTAL));
86
87 p.add(new JLabel(tr("Zoom (in metres)")), GBC.eol());
88 p.add(zm, GBC.eol().fill(GBC.HORIZONTAL));
89
90 p.add(new JLabel(tr("URL")), GBC.eol());
91 p.add(url, GBC.eol().fill(GBC.HORIZONTAL));
92
93 Object[] buttons = { tr("Jump there"), tr("Cancel") };
94 LatLon ll = null;
95 double zoomLvl = 100;
96 while(ll == null) {
97 int option = JOptionPane.showOptionDialog(
98 Main.parent,
99 panel,
100 tr("Jump to Position"),
101 JOptionPane.OK_CANCEL_OPTION,
102 JOptionPane.PLAIN_MESSAGE,
103 null,
104 buttons,
105 buttons[0]);
106
107 if (option != JOptionPane.OK_OPTION) return;
108 try {
109 zoomLvl = Double.parseDouble(zm.getText());
110 ll = new LatLon(Double.parseDouble(lat.getText()), Double.parseDouble(lon.getText()));
111 } catch (Exception ex) {
112 JOptionPane.showMessageDialog(Main.parent, tr("Could not parse Latitude, Longitude or Zoom. Please check."), tr("Unable to parse Lon/Lat"), JOptionPane.ERROR_MESSAGE);
113 }
114 }
115
116 Main.map.mapView.zoomToFactor(Main.proj.latlon2eastNorth(ll), zoomFactor * zoomLvl);
117 }
118
119 private void parseURL() {
120 if(!url.hasFocus()) return;
121 Bounds b = OsmUrlToBounds.parse(url.getText());
122 if (b != null) {
123 lat.setText(Double.toString((b.min.lat() + b.max.lat())/2));
124 lon.setText(Double.toString((b.min.lon() + b.max.lon())/2));
125
126 int zoomLvl = 16;
127 String[] args = url.getText().substring(url.getText().indexOf('?')+1).split("&");
128 for (String arg : args) {
129 int eq = arg.indexOf('=');
130 if (eq == -1 || !arg.substring(0, eq).equalsIgnoreCase("zoom")) continue;
131
132 zoomLvl = Integer.parseInt(arg.substring(eq + 1));
133 break;
134 }
135
136 // 10000000 = 10 000 * 1000 = World * (km -> m)
137 zm.setText(Double.toString(Math.round(10000000 * Math.pow(2, (-1) * zoomLvl))));
138 }
139 }
140
141 private void updateUrl(boolean force) {
142 if(!lat.hasFocus() && !lon.hasFocus() && !zm.hasFocus() && !force) return;
143 try {
144 double dlat = Double.parseDouble(lat.getText());
145 double dlon = Double.parseDouble(lon.getText());
146 int zoomLvl = getZoom(zoomFactor * Double.parseDouble(zm.getText()));
147
148 int decimals = (int) Math.pow(10, (zoomLvl / 3));
149 dlat = Math.round(dlat * decimals);
150 dlat /= decimals;
151 dlon = Math.round(dlon * decimals);
152 dlon /= decimals;
153 url.setText("http://www.openstreetmap.org/?lat="+dlat+"&lon="+dlon+"&zoom="+zoomLvl);
154 } catch (NumberFormatException x) {}
155 }
156
157 public void actionPerformed(ActionEvent e) {
158 showJumpToDialog();
159 }
160
161 /**
162 * Converts a given scale into OSM-Style zoom factors
163 * @param double scale
164 */
165 public int getZoom(double scale) {
166 double sizex = scale * Main.map.mapView.getWidth();
167 double sizey = scale * Main.map.mapView.getHeight();
168 for (int zoom = 0; zoom <= 32; zoom++, sizex *= 2, sizey *= 2)
169 if (sizex > NavigatableComponent.world.east() || sizey > NavigatableComponent.world.north())
170 return zoom;
171 return 32;
172 }
173
174 public void mousePressed(MouseEvent e) {}
175
176 public void mouseReleased(MouseEvent e) {}
177
178 public void mouseEntered(MouseEvent e) {}
179
180 public void mouseExited(MouseEvent e) {}
181
182 public void mouseClicked(MouseEvent e) {
183 showJumpToDialog();
184 }
185}
Note: See TracBrowser for help on using the repository browser.