source: josm/trunk/src/org/openstreetmap/josm/actions/JumpToAction.java@ 14165

Last change on this file since 14165 was 14153, checked in by Don-vip, 6 years ago

see #15229 - deprecate Main.parent and Main itself
  • Property svn:eol-style set to native
File size: 7.7 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.actions;
3
4import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
5import static org.openstreetmap.josm.tools.I18n.tr;
6
7import java.awt.BorderLayout;
8import java.awt.GridBagLayout;
9import java.awt.event.ActionEvent;
10import java.awt.event.KeyEvent;
11import java.util.Optional;
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.data.Bounds;
20import org.openstreetmap.josm.data.coor.LatLon;
21import org.openstreetmap.josm.data.coor.conversion.LatLonParser;
22import org.openstreetmap.josm.gui.ExtendedDialog;
23import org.openstreetmap.josm.gui.MainApplication;
24import org.openstreetmap.josm.gui.MapView;
25import org.openstreetmap.josm.gui.datatransfer.ClipboardUtils;
26import org.openstreetmap.josm.gui.widgets.JosmTextField;
27import org.openstreetmap.josm.gui.widgets.SelectAllOnFocusGainedDecorator;
28import org.openstreetmap.josm.spi.preferences.Config;
29import org.openstreetmap.josm.tools.GBC;
30import org.openstreetmap.josm.tools.ImageProvider;
31import org.openstreetmap.josm.tools.Logging;
32import org.openstreetmap.josm.tools.OsmUrlToBounds;
33import org.openstreetmap.josm.tools.Shortcut;
34
35/**
36 * Allows to jump to a specific location.
37 * @since 2575
38 */
39public class JumpToAction extends JosmAction {
40
41 private final JosmTextField url = new JosmTextField();
42 private final JosmTextField lat = new JosmTextField();
43 private final JosmTextField lon = new JosmTextField();
44 private final JosmTextField zm = new JosmTextField();
45
46 /**
47 * Constructs a new {@code JumpToAction}.
48 */
49 public JumpToAction() {
50 super(tr("Jump to Position"), (ImageProvider) null, tr("Opens a dialog that allows to jump to a specific location"),
51 Shortcut.registerShortcut("tools:jumpto", tr("Tool: {0}", tr("Jump to Position")),
52 KeyEvent.VK_J, Shortcut.CTRL), true, "action/jumpto", true);
53 putValue("help", ht("/Action/JumpToPosition"));
54 }
55
56 static class JumpToPositionDialog extends ExtendedDialog {
57 JumpToPositionDialog(String[] buttons, JPanel panel) {
58 super(MainApplication.getMainFrame(), tr("Jump to Position"), buttons);
59 setContent(panel);
60 setCancelButton(2);
61 }
62 }
63
64 class OsmURLListener implements DocumentListener {
65 @Override
66 public void changedUpdate(DocumentEvent e) {
67 parseURL();
68 }
69
70 @Override
71 public void insertUpdate(DocumentEvent e) {
72 parseURL();
73 }
74
75 @Override
76 public void removeUpdate(DocumentEvent e) {
77 parseURL();
78 }
79 }
80
81 class OsmLonLatListener implements DocumentListener {
82 @Override
83 public void changedUpdate(DocumentEvent e) {
84 updateUrl(false);
85 }
86
87 @Override
88 public void insertUpdate(DocumentEvent e) {
89 updateUrl(false);
90 }
91
92 @Override
93 public void removeUpdate(DocumentEvent e) {
94 updateUrl(false);
95 }
96 }
97
98 /**
99 * Displays the "Jump to" dialog.
100 */
101 public void showJumpToDialog() {
102 if (!MainApplication.isDisplayingMapView()) {
103 return;
104 }
105 MapView mv = MainApplication.getMap().mapView;
106
107 final Optional<Bounds> boundsFromClipboard = Optional
108 .ofNullable(ClipboardUtils.getClipboardStringContent())
109 .map(OsmUrlToBounds::parse);
110 if (boundsFromClipboard.isPresent() && Config.getPref().getBoolean("jumpto.use.clipboard", true)) {
111 setBounds(boundsFromClipboard.get());
112 } else {
113 setBounds(mv.getState().getViewArea().getCornerBounds());
114 }
115 updateUrl(true);
116
117 JPanel panel = new JPanel(new BorderLayout());
118 panel.add(new JLabel("<html>"
119 + tr("Enter Lat/Lon to jump to position.")
120 + "<br>"
121 + tr("You can also paste an URL from www.openstreetmap.org")
122 + "<br>"
123 + "</html>"),
124 BorderLayout.NORTH);
125
126 OsmLonLatListener x = new OsmLonLatListener();
127 lat.getDocument().addDocumentListener(x);
128 lon.getDocument().addDocumentListener(x);
129 zm.getDocument().addDocumentListener(x);
130 url.getDocument().addDocumentListener(new OsmURLListener());
131
132 SelectAllOnFocusGainedDecorator.decorate(lat);
133 SelectAllOnFocusGainedDecorator.decorate(lon);
134 SelectAllOnFocusGainedDecorator.decorate(zm);
135 SelectAllOnFocusGainedDecorator.decorate(url);
136
137 JPanel p = new JPanel(new GridBagLayout());
138 panel.add(p, BorderLayout.NORTH);
139
140 p.add(new JLabel(tr("Latitude")), GBC.eol());
141 p.add(lat, GBC.eol().fill(GBC.HORIZONTAL));
142
143 p.add(new JLabel(tr("Longitude")), GBC.eol());
144 p.add(lon, GBC.eol().fill(GBC.HORIZONTAL));
145
146 p.add(new JLabel(tr("Zoom (in metres)")), GBC.eol());
147 p.add(zm, GBC.eol().fill(GBC.HORIZONTAL));
148
149 p.add(new JLabel(tr("URL")), GBC.eol());
150 p.add(url, GBC.eol().fill(GBC.HORIZONTAL));
151
152 String[] buttons = {tr("Jump there"), tr("Cancel")};
153 LatLon ll = null;
154 double zoomLvl = 100;
155 while (ll == null) {
156 final int option = new JumpToPositionDialog(buttons, panel).showDialog().getValue();
157
158 if (option != 1) return;
159 try {
160 zoomLvl = Double.parseDouble(zm.getText());
161 ll = new LatLon(Double.parseDouble(lat.getText()), Double.parseDouble(lon.getText()));
162 } catch (NumberFormatException ex) {
163 try {
164 ll = LatLonParser.parse(lat.getText() + "; " + lon.getText());
165 } catch (IllegalArgumentException ex2) {
166 JOptionPane.showMessageDialog(MainApplication.getMainFrame(),
167 tr("Could not parse Latitude, Longitude or Zoom. Please check."),
168 tr("Unable to parse Lon/Lat"), JOptionPane.ERROR_MESSAGE);
169 }
170 }
171 }
172
173 double zoomFactor = 1/ mv.getDist100Pixel();
174 mv.zoomToFactor(mv.getProjection().latlon2eastNorth(ll), zoomFactor * zoomLvl);
175 }
176
177 private void parseURL() {
178 if (!url.hasFocus()) return;
179 String urlText = url.getText();
180 Bounds b = OsmUrlToBounds.parse(urlText);
181 setBounds(b);
182 }
183
184 private void setBounds(Bounds b) {
185 if (b != null) {
186 final LatLon center = b.getCenter();
187 lat.setText(Double.toString(center.lat()));
188 lon.setText(Double.toString(center.lon()));
189 zm.setText(Double.toString(OsmUrlToBounds.getZoom(b)));
190 }
191 }
192
193 private void updateUrl(boolean force) {
194 if (!lat.hasFocus() && !lon.hasFocus() && !zm.hasFocus() && !force) return;
195 try {
196 double dlat = Double.parseDouble(lat.getText());
197 double dlon = Double.parseDouble(lon.getText());
198 double zoomLvl = Double.parseDouble(zm.getText());
199 url.setText(OsmUrlToBounds.getURL(dlat, dlon, (int) zoomLvl));
200 } catch (NumberFormatException e) {
201 Logging.debug(e.getMessage());
202 }
203 }
204
205 @Override
206 public void actionPerformed(ActionEvent e) {
207 showJumpToDialog();
208 }
209
210 @Override
211 protected void updateEnabledState() {
212 setEnabled(MainApplication.isDisplayingMapView());
213 }
214
215 @Override
216 protected void installAdapters() {
217 super.installAdapters();
218 // make this action listen to mapframe change events
219 MainApplication.addMapFrameListener((o, n) -> updateEnabledState());
220 }
221}
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