1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions;
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3 |
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4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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7 | import java.awt.BorderLayout;
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8 | import java.awt.GridBagLayout;
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9 | import java.awt.event.ActionEvent;
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10 | import java.awt.event.KeyEvent;
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11 | import java.util.Optional;
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12 |
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13 | import javax.swing.JLabel;
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14 | import javax.swing.JOptionPane;
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15 | import javax.swing.JPanel;
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16 | import javax.swing.event.DocumentEvent;
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17 | import javax.swing.event.DocumentListener;
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18 |
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19 | import org.openstreetmap.josm.Main;
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20 | import org.openstreetmap.josm.data.Bounds;
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21 | import org.openstreetmap.josm.data.coor.LatLon;
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22 | import org.openstreetmap.josm.gui.ExtendedDialog;
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23 | import org.openstreetmap.josm.gui.MainApplication;
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24 | import org.openstreetmap.josm.gui.MapView;
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25 | import org.openstreetmap.josm.gui.datatransfer.ClipboardUtils;
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26 | import org.openstreetmap.josm.gui.widgets.JosmTextField;
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27 | import org.openstreetmap.josm.gui.widgets.SelectAllOnFocusGainedDecorator;
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28 | import org.openstreetmap.josm.tools.GBC;
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29 | import org.openstreetmap.josm.tools.ImageProvider;
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30 | import org.openstreetmap.josm.tools.Logging;
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31 | import org.openstreetmap.josm.tools.OsmUrlToBounds;
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32 | import org.openstreetmap.josm.tools.Shortcut;
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33 |
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34 | /**
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35 | * Allows to jump to a specific location.
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36 | * @since 2575
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37 | */
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38 | public class JumpToAction extends JosmAction {
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39 |
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40 | private final JosmTextField url = new JosmTextField();
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41 | private final JosmTextField lat = new JosmTextField();
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42 | private final JosmTextField lon = new JosmTextField();
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43 | private final JosmTextField zm = new JosmTextField();
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44 |
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45 | /**
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46 | * Constructs a new {@code JumpToAction}.
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47 | */
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48 | public JumpToAction() {
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49 | super(tr("Jump To Position"), (ImageProvider) null, tr("Opens a dialog that allows to jump to a specific location"),
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50 | Shortcut.registerShortcut("tools:jumpto", tr("Tool: {0}", tr("Jump To Position")),
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51 | KeyEvent.VK_J, Shortcut.CTRL), true, "action/jumpto", true);
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52 | putValue("help", ht("/Action/JumpToPosition"));
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53 | }
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54 |
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55 | static class JumpToPositionDialog extends ExtendedDialog {
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56 | JumpToPositionDialog(String[] buttons, JPanel panel) {
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57 | super(Main.parent, tr("Jump to Position"), buttons);
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58 | setContent(panel);
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59 | setCancelButton(2);
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60 | }
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61 | }
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62 |
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63 | class OsmURLListener implements DocumentListener {
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64 | @Override
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65 | public void changedUpdate(DocumentEvent e) {
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66 | parseURL();
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67 | }
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68 |
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69 | @Override
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70 | public void insertUpdate(DocumentEvent e) {
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71 | parseURL();
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72 | }
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73 |
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74 | @Override
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75 | public void removeUpdate(DocumentEvent e) {
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76 | parseURL();
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77 | }
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78 | }
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79 |
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80 | class OsmLonLatListener implements DocumentListener {
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81 | @Override
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82 | public void changedUpdate(DocumentEvent e) {
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83 | updateUrl(false);
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84 | }
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85 |
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86 | @Override
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87 | public void insertUpdate(DocumentEvent e) {
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88 | updateUrl(false);
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89 | }
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90 |
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91 | @Override
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92 | public void removeUpdate(DocumentEvent e) {
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93 | updateUrl(false);
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94 | }
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95 | }
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96 |
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97 | /**
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98 | * Displays the "Jump to" dialog.
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99 | */
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100 | public void showJumpToDialog() {
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101 | if (!MainApplication.isDisplayingMapView()) {
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102 | return;
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103 | }
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104 | MapView mv = MainApplication.getMap().mapView;
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105 |
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106 | final Optional<Bounds> boundsFromClipboard = Optional
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107 | .ofNullable(ClipboardUtils.getClipboardStringContent())
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108 | .map(OsmUrlToBounds::parse);
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109 | if (boundsFromClipboard.isPresent()) {
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110 | setBounds(boundsFromClipboard.get());
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111 | } else {
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112 | setBounds(mv.getState().getViewArea().getCornerBounds());
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113 | }
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114 | updateUrl(true);
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115 |
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116 | JPanel panel = new JPanel(new BorderLayout());
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117 | panel.add(new JLabel("<html>"
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118 | + tr("Enter Lat/Lon to jump to position.")
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119 | + "<br>"
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120 | + tr("You can also paste an URL from www.openstreetmap.org")
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121 | + "<br>"
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122 | + "</html>"),
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123 | BorderLayout.NORTH);
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124 |
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125 | OsmLonLatListener x = new OsmLonLatListener();
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126 | lat.getDocument().addDocumentListener(x);
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127 | lon.getDocument().addDocumentListener(x);
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128 | zm.getDocument().addDocumentListener(x);
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129 | url.getDocument().addDocumentListener(new OsmURLListener());
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130 |
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131 | SelectAllOnFocusGainedDecorator.decorate(lat);
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132 | SelectAllOnFocusGainedDecorator.decorate(lon);
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133 | SelectAllOnFocusGainedDecorator.decorate(zm);
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134 | SelectAllOnFocusGainedDecorator.decorate(url);
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135 |
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136 | JPanel p = new JPanel(new GridBagLayout());
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137 | panel.add(p, BorderLayout.NORTH);
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138 |
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139 | p.add(new JLabel(tr("Latitude")), GBC.eol());
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140 | p.add(lat, GBC.eol().fill(GBC.HORIZONTAL));
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141 |
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142 | p.add(new JLabel(tr("Longitude")), GBC.eol());
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143 | p.add(lon, GBC.eol().fill(GBC.HORIZONTAL));
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144 |
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145 | p.add(new JLabel(tr("Zoom (in metres)")), GBC.eol());
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146 | p.add(zm, GBC.eol().fill(GBC.HORIZONTAL));
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147 |
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148 | p.add(new JLabel(tr("URL")), GBC.eol());
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149 | p.add(url, GBC.eol().fill(GBC.HORIZONTAL));
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150 |
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151 | String[] buttons = {tr("Jump there"), tr("Cancel")};
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152 | LatLon ll = null;
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153 | double zoomLvl = 100;
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154 | while (ll == null) {
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155 | final int option = new JumpToPositionDialog(buttons, panel).showDialog().getValue();
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156 |
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157 | if (option != 1) return;
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158 | try {
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159 | zoomLvl = Double.parseDouble(zm.getText());
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160 | ll = new LatLon(Double.parseDouble(lat.getText()), Double.parseDouble(lon.getText()));
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161 | } catch (NumberFormatException ex) {
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162 | try {
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163 | ll = LatLon.parse(lat.getText() + "; " + lon.getText());
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164 | } catch (IllegalArgumentException ex2) {
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165 | JOptionPane.showMessageDialog(Main.parent,
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166 | tr("Could not parse Latitude, Longitude or Zoom. Please check."),
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167 | tr("Unable to parse Lon/Lat"), JOptionPane.ERROR_MESSAGE);
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168 | }
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169 | }
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170 | }
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171 |
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172 | double zoomFactor = 1/ mv.getDist100Pixel();
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173 | mv.zoomToFactor(mv.getProjection().latlon2eastNorth(ll), zoomFactor * zoomLvl);
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174 | }
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175 |
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176 | private void parseURL() {
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177 | if (!url.hasFocus()) return;
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178 | String urlText = url.getText();
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179 | Bounds b = OsmUrlToBounds.parse(urlText);
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180 | setBounds(b);
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181 | }
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182 |
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183 | private void setBounds(Bounds b) {
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184 | if (b != null) {
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185 | final LatLon center = b.getCenter();
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186 | lat.setText(Double.toString(center.lat()));
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187 | lon.setText(Double.toString(center.lon()));
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188 | zm.setText(Double.toString(OsmUrlToBounds.getZoom(b)));
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189 | }
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190 | }
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191 |
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192 | private void updateUrl(boolean force) {
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193 | if (!lat.hasFocus() && !lon.hasFocus() && !zm.hasFocus() && !force) return;
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194 | try {
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195 | double dlat = Double.parseDouble(lat.getText());
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196 | double dlon = Double.parseDouble(lon.getText());
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197 | double zoomLvl = Double.parseDouble(zm.getText());
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198 | url.setText(OsmUrlToBounds.getURL(dlat, dlon, (int) zoomLvl));
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199 | } catch (NumberFormatException e) {
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200 | Logging.debug(e.getMessage());
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201 | }
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202 | }
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203 |
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204 | @Override
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205 | public void actionPerformed(ActionEvent e) {
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206 | showJumpToDialog();
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207 | }
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208 |
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209 | @Override
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210 | protected void updateEnabledState() {
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211 | setEnabled(MainApplication.isDisplayingMapView());
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212 | }
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213 |
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214 | @Override
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215 | protected void installAdapters() {
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216 | super.installAdapters();
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217 | // make this action listen to mapframe change events
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218 | MainApplication.addMapFrameListener((o, n) -> updateEnabledState());
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219 | }
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220 | }
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