source: josm/trunk/src/org/openstreetmap/josm/actions/JumpToAction.java@ 5886

Last change on this file since 5886 was 5886, checked in by Don-vip, 11 years ago

see #4429 - Right click menu "undo, cut, copy, paste, delete, select all" for each text component (originally based on patch by NooN)
  • Property svn:eol-style set to native
File size: 7.1 KB
Line 
1// License: GPL. Copyright 2007 by Immanuel Scholz and others
2package org.openstreetmap.josm.actions;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.BorderLayout;
7import java.awt.GridBagLayout;
8import java.awt.event.ActionEvent;
9import java.awt.event.KeyEvent;
10import java.awt.event.MouseEvent;
11import java.awt.event.MouseListener;
12
13import javax.swing.JLabel;
14import javax.swing.JOptionPane;
15import javax.swing.JPanel;
16import javax.swing.event.DocumentEvent;
17import javax.swing.event.DocumentListener;
18
19import org.openstreetmap.josm.Main;
20import org.openstreetmap.josm.data.Bounds;
21import org.openstreetmap.josm.data.coor.LatLon;
22import org.openstreetmap.josm.gui.MapView;
23import org.openstreetmap.josm.tools.GBC;
24import org.openstreetmap.josm.tools.OsmUrlToBounds;
25import org.openstreetmap.josm.tools.Shortcut;
26import org.openstreetmap.josm.gui.widgets.JosmTextField;
27
28public class JumpToAction extends JosmAction implements MouseListener {
29 /**
30 * Constructs a new {@code JumpToAction}.
31 */
32 public JumpToAction() {
33 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")),
34 KeyEvent.VK_J, Shortcut.CTRL), false);
35 putValue("toolbar", "action/jumpto");
36 Main.toolbar.register(this);
37 }
38
39 private JosmTextField url = new JosmTextField();
40 private JosmTextField lat = new JosmTextField();
41 private JosmTextField lon = new JosmTextField();
42 private JosmTextField zm = new JosmTextField();
43
44 private double zoomFactor = 0;
45 public void showJumpToDialog() {
46 MapView mv = Main.map.mapView;
47 if(mv == null)
48 return;
49 LatLon curPos=mv.getProjection().eastNorth2latlon(mv.getCenter());
50 lat.setText(java.lang.Double.toString(curPos.lat()));
51 lon.setText(java.lang.Double.toString(curPos.lon()));
52
53 double dist = mv.getDist100Pixel();
54 zoomFactor = 1/dist;
55
56 zm.setText(java.lang.Long.toString(Math.round(dist*100)/100));
57 updateUrl(true);
58
59 JPanel panel = new JPanel(new BorderLayout());
60 panel.add(new JLabel("<html>"
61 + tr("Enter Lat/Lon to jump to position.")
62 + "<br>"
63 + tr("You can also paste an URL from www.openstreetmap.org")
64 + "<br>"
65 + "</html>"),
66 BorderLayout.NORTH);
67
68 class osmURLListener implements DocumentListener {
69 public void changedUpdate(DocumentEvent e) { parseURL(); }
70 public void insertUpdate(DocumentEvent e) { parseURL(); }
71 public void removeUpdate(DocumentEvent e) { parseURL(); }
72 }
73
74 class osmLonLatListener implements DocumentListener {
75 public void changedUpdate(DocumentEvent e) { updateUrl(false); }
76 public void insertUpdate(DocumentEvent e) { updateUrl(false); }
77 public void removeUpdate(DocumentEvent e) { updateUrl(false); }
78 }
79
80 osmLonLatListener x=new osmLonLatListener();
81 lat.getDocument().addDocumentListener(x);
82 lon.getDocument().addDocumentListener(x);
83 zm.getDocument().addDocumentListener(x);
84 url.getDocument().addDocumentListener(new osmURLListener());
85
86 JPanel p = new JPanel(new GridBagLayout());
87 panel.add(p, BorderLayout.NORTH);
88
89 p.add(new JLabel(tr("Latitude")), GBC.eol());
90 p.add(lat, GBC.eol().fill(GBC.HORIZONTAL));
91
92 p.add(new JLabel(tr("Longitude")), GBC.eol());
93 p.add(lon, GBC.eol().fill(GBC.HORIZONTAL));
94
95 p.add(new JLabel(tr("Zoom (in metres)")), GBC.eol());
96 p.add(zm, GBC.eol().fill(GBC.HORIZONTAL));
97
98 p.add(new JLabel(tr("URL")), GBC.eol());
99 p.add(url, GBC.eol().fill(GBC.HORIZONTAL));
100
101 Object[] buttons = { tr("Jump there"), tr("Cancel") };
102 LatLon ll = null;
103 double zoomLvl = 100;
104 while(ll == null) {
105 int option = JOptionPane.showOptionDialog(
106 Main.parent,
107 panel,
108 tr("Jump to Position"),
109 JOptionPane.OK_CANCEL_OPTION,
110 JOptionPane.PLAIN_MESSAGE,
111 null,
112 buttons,
113 buttons[0]);
114
115 if (option != JOptionPane.OK_OPTION) return;
116 try {
117 zoomLvl = Double.parseDouble(zm.getText());
118 ll = new LatLon(Double.parseDouble(lat.getText()), Double.parseDouble(lon.getText()));
119 } catch (NumberFormatException ex) {
120 JOptionPane.showMessageDialog(Main.parent, tr("Could not parse Latitude, Longitude or Zoom. Please check."), tr("Unable to parse Lon/Lat"), JOptionPane.ERROR_MESSAGE);
121 }
122 }
123
124 mv.zoomToFactor(mv.getProjection().latlon2eastNorth(ll), zoomFactor * zoomLvl);
125 }
126
127 private void parseURL() {
128 if(!url.hasFocus()) return;
129 Bounds b = OsmUrlToBounds.parse(url.getText());
130 if (b != null) {
131 lat.setText(Double.toString((b.getMin().lat() + b.getMax().lat())/2));
132 lon.setText(Double.toString((b.getMin().lon() + b.getMax().lon())/2));
133
134 int zoomLvl = 16;
135 String[] args = url.getText().substring(url.getText().indexOf('?')+1).split("&");
136 for (String arg : args) {
137 int eq = arg.indexOf('=');
138 if (eq == -1 || !arg.substring(0, eq).equalsIgnoreCase("zoom")) continue;
139
140 zoomLvl = Integer.parseInt(arg.substring(eq + 1));
141 break;
142 }
143
144 // 10 000 000 = 10 000 * 1000 = World * (km -> m)
145 zm.setText(Double.toString(Math.round(10000000 * Math.pow(2, (-1) * zoomLvl))));
146 }
147 }
148
149 private void updateUrl(boolean force) {
150 if(!lat.hasFocus() && !lon.hasFocus() && !zm.hasFocus() && !force) return;
151 try {
152 double dlat = Double.parseDouble(lat.getText());
153 double dlon = Double.parseDouble(lon.getText());
154 double m = Double.parseDouble(zm.getText());
155 // Inverse function to the one above. 18 is the current maximum zoom
156 // available on standard renderers, so choose this is in case m
157 // should be zero
158 int zoomLvl = 18;
159 if(m > 0)
160 zoomLvl = (int)Math.round((-1) * Math.log(m/10000000)/Math.log(2));
161
162 int decimals = (int) Math.pow(10, (zoomLvl / 3));
163 dlat = Math.round(dlat * decimals);
164 dlat /= decimals;
165 dlon = Math.round(dlon * decimals);
166 dlon /= decimals;
167 url.setText("http://www.openstreetmap.org/?lat="+dlat+"&lon="+dlon+"&zoom="+zoomLvl);
168 } catch (NumberFormatException x) {}
169 }
170
171 public void actionPerformed(ActionEvent e) {
172 showJumpToDialog();
173 }
174
175 public void mousePressed(MouseEvent e) {}
176
177 public void mouseReleased(MouseEvent e) {}
178
179 public void mouseEntered(MouseEvent e) {}
180
181 public void mouseExited(MouseEvent e) {}
182
183 public void mouseClicked(MouseEvent e) {
184 showJumpToDialog();
185 }
186}
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