1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.actions;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
|
---|
5 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
6 |
|
---|
7 | import java.awt.BorderLayout;
|
---|
8 | import java.awt.GridBagLayout;
|
---|
9 | import java.awt.event.ActionEvent;
|
---|
10 | import java.awt.event.KeyEvent;
|
---|
11 |
|
---|
12 | import javax.swing.JLabel;
|
---|
13 | import javax.swing.JOptionPane;
|
---|
14 | import javax.swing.JPanel;
|
---|
15 | import javax.swing.event.DocumentEvent;
|
---|
16 | import javax.swing.event.DocumentListener;
|
---|
17 |
|
---|
18 | import org.openstreetmap.josm.Main;
|
---|
19 | import org.openstreetmap.josm.data.Bounds;
|
---|
20 | import org.openstreetmap.josm.data.coor.LatLon;
|
---|
21 | import org.openstreetmap.josm.gui.MapFrame;
|
---|
22 | import org.openstreetmap.josm.gui.MapFrameListener;
|
---|
23 | import org.openstreetmap.josm.gui.MapView;
|
---|
24 | import org.openstreetmap.josm.gui.widgets.JosmTextField;
|
---|
25 | import org.openstreetmap.josm.tools.GBC;
|
---|
26 | import org.openstreetmap.josm.tools.ImageProvider;
|
---|
27 | import org.openstreetmap.josm.tools.OsmUrlToBounds;
|
---|
28 | import org.openstreetmap.josm.tools.Shortcut;
|
---|
29 |
|
---|
30 | /**
|
---|
31 | * Allows to jump to a specific location.
|
---|
32 | * @since 2575
|
---|
33 | */
|
---|
34 | public class JumpToAction extends JosmAction {
|
---|
35 |
|
---|
36 | /**
|
---|
37 | * Constructs a new {@code JumpToAction}.
|
---|
38 | */
|
---|
39 | public JumpToAction() {
|
---|
40 | super(tr("Jump To Position"), (ImageProvider) null, tr("Opens a dialog that allows to jump to a specific location"),
|
---|
41 | Shortcut.registerShortcut("tools:jumpto", tr("Tool: {0}", tr("Jump To Position")),
|
---|
42 | KeyEvent.VK_J, Shortcut.CTRL), true, "action/jumpto", true);
|
---|
43 | putValue("help", ht("/Action/JumpToPosition"));
|
---|
44 | }
|
---|
45 |
|
---|
46 | private final JosmTextField url = new JosmTextField();
|
---|
47 | private final JosmTextField lat = new JosmTextField();
|
---|
48 | private final JosmTextField lon = new JosmTextField();
|
---|
49 | private final JosmTextField zm = new JosmTextField();
|
---|
50 |
|
---|
51 | class OsmURLListener implements DocumentListener {
|
---|
52 | @Override public void changedUpdate(DocumentEvent e) { parseURL(); }
|
---|
53 | @Override public void insertUpdate(DocumentEvent e) { parseURL(); }
|
---|
54 | @Override public void removeUpdate(DocumentEvent e) { parseURL(); }
|
---|
55 | }
|
---|
56 |
|
---|
57 | class OsmLonLatListener implements DocumentListener {
|
---|
58 | @Override public void changedUpdate(DocumentEvent e) { updateUrl(false); }
|
---|
59 | @Override public void insertUpdate(DocumentEvent e) { updateUrl(false); }
|
---|
60 | @Override public void removeUpdate(DocumentEvent e) { updateUrl(false); }
|
---|
61 | }
|
---|
62 |
|
---|
63 | /**
|
---|
64 | * Displays the "Jump to" dialog.
|
---|
65 | */
|
---|
66 | public void showJumpToDialog() {
|
---|
67 | if (!Main.isDisplayingMapView()) {
|
---|
68 | return;
|
---|
69 | }
|
---|
70 | MapView mv = Main.map.mapView;
|
---|
71 | LatLon curPos = mv.getProjection().eastNorth2latlon(mv.getCenter());
|
---|
72 | lat.setText(Double.toString(curPos.lat()));
|
---|
73 | lon.setText(Double.toString(curPos.lon()));
|
---|
74 |
|
---|
75 | double dist = mv.getDist100Pixel();
|
---|
76 | double zoomFactor = 1/dist;
|
---|
77 |
|
---|
78 | zm.setText(Long.toString(Math.round(dist*100)/100));
|
---|
79 | updateUrl(true);
|
---|
80 |
|
---|
81 | JPanel panel = new JPanel(new BorderLayout());
|
---|
82 | panel.add(new JLabel("<html>"
|
---|
83 | + tr("Enter Lat/Lon to jump to position.")
|
---|
84 | + "<br>"
|
---|
85 | + tr("You can also paste an URL from www.openstreetmap.org")
|
---|
86 | + "<br>"
|
---|
87 | + "</html>"),
|
---|
88 | BorderLayout.NORTH);
|
---|
89 |
|
---|
90 | OsmLonLatListener x = new OsmLonLatListener();
|
---|
91 | lat.getDocument().addDocumentListener(x);
|
---|
92 | lon.getDocument().addDocumentListener(x);
|
---|
93 | zm.getDocument().addDocumentListener(x);
|
---|
94 | url.getDocument().addDocumentListener(new OsmURLListener());
|
---|
95 |
|
---|
96 | JPanel p = new JPanel(new GridBagLayout());
|
---|
97 | panel.add(p, BorderLayout.NORTH);
|
---|
98 |
|
---|
99 | p.add(new JLabel(tr("Latitude")), GBC.eol());
|
---|
100 | p.add(lat, GBC.eol().fill(GBC.HORIZONTAL));
|
---|
101 |
|
---|
102 | p.add(new JLabel(tr("Longitude")), GBC.eol());
|
---|
103 | p.add(lon, GBC.eol().fill(GBC.HORIZONTAL));
|
---|
104 |
|
---|
105 | p.add(new JLabel(tr("Zoom (in metres)")), GBC.eol());
|
---|
106 | p.add(zm, GBC.eol().fill(GBC.HORIZONTAL));
|
---|
107 |
|
---|
108 | p.add(new JLabel(tr("URL")), GBC.eol());
|
---|
109 | p.add(url, GBC.eol().fill(GBC.HORIZONTAL));
|
---|
110 |
|
---|
111 | Object[] buttons = { tr("Jump there"), tr("Cancel") };
|
---|
112 | LatLon ll = null;
|
---|
113 | double zoomLvl = 100;
|
---|
114 | while(ll == null) {
|
---|
115 | int option = JOptionPane.showOptionDialog(
|
---|
116 | Main.parent,
|
---|
117 | panel,
|
---|
118 | tr("Jump to Position"),
|
---|
119 | JOptionPane.OK_CANCEL_OPTION,
|
---|
120 | JOptionPane.PLAIN_MESSAGE,
|
---|
121 | null,
|
---|
122 | buttons,
|
---|
123 | buttons[0]);
|
---|
124 |
|
---|
125 | if (option != JOptionPane.OK_OPTION) return;
|
---|
126 | try {
|
---|
127 | zoomLvl = Double.parseDouble(zm.getText());
|
---|
128 | ll = new LatLon(Double.parseDouble(lat.getText()), Double.parseDouble(lon.getText()));
|
---|
129 | } catch (NumberFormatException ex) {
|
---|
130 | JOptionPane.showMessageDialog(Main.parent, tr("Could not parse Latitude, Longitude or Zoom. Please check."), tr("Unable to parse Lon/Lat"), JOptionPane.ERROR_MESSAGE);
|
---|
131 | }
|
---|
132 | }
|
---|
133 |
|
---|
134 | mv.zoomToFactor(mv.getProjection().latlon2eastNorth(ll), zoomFactor * zoomLvl);
|
---|
135 | }
|
---|
136 |
|
---|
137 | private void parseURL() {
|
---|
138 | if (!url.hasFocus()) return;
|
---|
139 | String urlText = url.getText();
|
---|
140 | Bounds b = OsmUrlToBounds.parse(urlText);
|
---|
141 | if (b != null) {
|
---|
142 | lat.setText(Double.toString((b.getMinLat() + b.getMaxLat())/2));
|
---|
143 | lon.setText(Double.toString((b.getMinLon() + b.getMaxLon())/2));
|
---|
144 |
|
---|
145 | int zoomLvl = 16;
|
---|
146 | int hashIndex = urlText.indexOf("#map");
|
---|
147 | if (hashIndex >= 0) {
|
---|
148 | zoomLvl = Integer.parseInt(urlText.substring(hashIndex+5, urlText.indexOf('/', hashIndex)));
|
---|
149 | } else {
|
---|
150 | String[] args = urlText.substring(urlText.indexOf('?')+1).split("&");
|
---|
151 | for (String arg : args) {
|
---|
152 | int eq = arg.indexOf('=');
|
---|
153 | if (eq == -1 || !"zoom".equalsIgnoreCase(arg.substring(0, eq))) continue;
|
---|
154 |
|
---|
155 | zoomLvl = Integer.parseInt(arg.substring(eq + 1));
|
---|
156 | break;
|
---|
157 | }
|
---|
158 | }
|
---|
159 |
|
---|
160 | // 10 000 000 = 10 000 * 1000 = World * (km -> m)
|
---|
161 | zm.setText(Double.toString(Math.round(10000000 * Math.pow(2, (-1) * zoomLvl))));
|
---|
162 | }
|
---|
163 | }
|
---|
164 |
|
---|
165 | private void updateUrl(boolean force) {
|
---|
166 | if(!lat.hasFocus() && !lon.hasFocus() && !zm.hasFocus() && !force) return;
|
---|
167 | try {
|
---|
168 | double dlat = Double.parseDouble(lat.getText());
|
---|
169 | double dlon = Double.parseDouble(lon.getText());
|
---|
170 | double m = Double.parseDouble(zm.getText());
|
---|
171 | // Inverse function to the one above. 18 is the current maximum zoom
|
---|
172 | // available on standard renderers, so choose this is in case m
|
---|
173 | // should be zero
|
---|
174 | int zoomLvl = 18;
|
---|
175 | if(m > 0)
|
---|
176 | zoomLvl = (int)Math.round((-1) * Math.log(m/10000000)/Math.log(2));
|
---|
177 |
|
---|
178 | url.setText(OsmUrlToBounds.getURL(dlat, dlon, zoomLvl));
|
---|
179 | } catch (NumberFormatException x) {
|
---|
180 | Main.debug(x.getMessage());
|
---|
181 | }
|
---|
182 | }
|
---|
183 |
|
---|
184 | @Override
|
---|
185 | public void actionPerformed(ActionEvent e) {
|
---|
186 | showJumpToDialog();
|
---|
187 | }
|
---|
188 |
|
---|
189 | @Override
|
---|
190 | protected void updateEnabledState() {
|
---|
191 | setEnabled(Main.isDisplayingMapView());
|
---|
192 | }
|
---|
193 |
|
---|
194 | @Override
|
---|
195 | protected void installAdapters() {
|
---|
196 | super.installAdapters();
|
---|
197 | // make this action listen to mapframe change events
|
---|
198 | Main.addMapFrameListener(new MapFrameListener() {
|
---|
199 | @Override
|
---|
200 | public void mapFrameInitialized(MapFrame oldFrame, MapFrame newFrame) {
|
---|
201 | updateEnabledState();
|
---|
202 | }
|
---|
203 | });
|
---|
204 | }
|
---|
205 | }
|
---|