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