1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.bbox;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.AWTKeyStroke;
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7 | import java.awt.BorderLayout;
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8 | import java.awt.Color;
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9 | import java.awt.FlowLayout;
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10 | import java.awt.Graphics;
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11 | import java.awt.GridBagConstraints;
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12 | import java.awt.GridBagLayout;
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13 | import java.awt.Insets;
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14 | import java.awt.KeyboardFocusManager;
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15 | import java.awt.Point;
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16 | import java.awt.event.ActionEvent;
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17 | import java.awt.event.ActionListener;
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18 | import java.awt.event.FocusEvent;
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19 | import java.awt.event.FocusListener;
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20 | import java.awt.event.KeyEvent;
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21 | import java.beans.PropertyChangeEvent;
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22 | import java.beans.PropertyChangeListener;
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23 | import java.util.ArrayList;
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24 | import java.util.HashSet;
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25 | import java.util.List;
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26 | import java.util.Set;
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27 | import java.util.regex.Matcher;
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28 | import java.util.regex.Pattern;
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29 |
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30 | import javax.swing.AbstractAction;
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31 | import javax.swing.BorderFactory;
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32 | import javax.swing.JButton;
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33 | import javax.swing.JLabel;
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34 | import javax.swing.JPanel;
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35 | import javax.swing.JSpinner;
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36 | import javax.swing.KeyStroke;
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37 | import javax.swing.SpinnerNumberModel;
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38 | import javax.swing.event.ChangeEvent;
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39 | import javax.swing.event.ChangeListener;
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40 | import javax.swing.text.JTextComponent;
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41 |
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42 | import org.openstreetmap.gui.jmapviewer.JMapViewer;
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43 | import org.openstreetmap.gui.jmapviewer.MapMarkerDot;
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44 | import org.openstreetmap.gui.jmapviewer.OsmTileLoader;
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45 | import org.openstreetmap.gui.jmapviewer.interfaces.MapMarker;
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46 | import org.openstreetmap.gui.jmapviewer.interfaces.TileLoader;
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47 | import org.openstreetmap.josm.data.Bounds;
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48 | import org.openstreetmap.josm.data.Version;
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49 | import org.openstreetmap.josm.data.coor.LatLon;
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50 | import org.openstreetmap.josm.gui.widgets.AbstractTextComponentValidator;
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51 | import org.openstreetmap.josm.gui.widgets.HtmlPanel;
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52 | import org.openstreetmap.josm.gui.widgets.JosmTextField;
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53 | import org.openstreetmap.josm.gui.widgets.SelectAllOnFocusGainedDecorator;
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54 | import org.openstreetmap.josm.tools.ImageProvider;
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55 | import org.openstreetmap.josm.tools.Utils;
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56 |
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57 | /**
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58 | * TileSelectionBBoxChooser allows to select a bounding box (i.e. for downloading) based
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59 | * on OSM tile numbers.
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60 | *
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61 | * TileSelectionBBoxChooser can be embedded as component in a Swing container. Example:
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62 | * <pre>
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63 | * JFrame f = new JFrame(....);
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64 | * f.getContentPane().setLayout(new BorderLayout()));
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65 | * TileSelectionBBoxChooser chooser = new TileSelectionBBoxChooser();
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66 | * f.add(chooser, BorderLayout.CENTER);
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67 | * chooser.addPropertyChangeListener(new PropertyChangeListener() {
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68 | * public void propertyChange(PropertyChangeEvent evt) {
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69 | * // listen for BBOX events
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70 | * if (evt.getPropertyName().equals(BBoxChooser.BBOX_PROP)) {
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71 | * Logging.info("new bbox based on OSM tiles selected: " + (Bounds)evt.getNewValue());
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72 | * }
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73 | * }
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74 | * });
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75 | *
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76 | * // init the chooser with a bounding box
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77 | * chooser.setBoundingBox(....);
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78 | *
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79 | * f.setVisible(true);
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80 | * </pre>
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81 | */
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82 | public class TileSelectionBBoxChooser extends JPanel implements BBoxChooser {
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83 |
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84 | /** the current bounding box */
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85 | private transient Bounds bbox;
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86 | /** the map viewer showing the selected bounding box */
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87 | private final TileBoundsMapView mapViewer = new TileBoundsMapView();
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88 | /** a panel for entering a bounding box given by a tile grid and a zoom level */
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89 | private final TileGridInputPanel pnlTileGrid = new TileGridInputPanel();
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90 | /** a panel for entering a bounding box given by the address of an individual OSM tile at a given zoom level */
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91 | private final TileAddressInputPanel pnlTileAddress = new TileAddressInputPanel();
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92 |
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93 | /**
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94 | * builds the UI
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95 | */
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96 | protected final void build() {
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97 | setLayout(new GridBagLayout());
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98 |
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99 | GridBagConstraints gc = new GridBagConstraints();
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100 | gc.weightx = 0.5;
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101 | gc.fill = GridBagConstraints.HORIZONTAL;
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102 | gc.anchor = GridBagConstraints.NORTHWEST;
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103 | add(pnlTileGrid, gc);
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104 |
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105 | gc.gridx = 1;
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106 | add(pnlTileAddress, gc);
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107 |
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108 | gc.gridx = 0;
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109 | gc.gridy = 1;
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110 | gc.gridwidth = 2;
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111 | gc.weightx = 1.0;
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112 | gc.weighty = 1.0;
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113 | gc.fill = GridBagConstraints.BOTH;
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114 | gc.insets = new Insets(2, 2, 2, 2);
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115 | add(mapViewer, gc);
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116 | mapViewer.setFocusable(false);
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117 | mapViewer.setZoomContolsVisible(false);
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118 | mapViewer.setMapMarkerVisible(false);
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119 |
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120 | pnlTileAddress.addPropertyChangeListener(pnlTileGrid);
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121 | pnlTileGrid.addPropertyChangeListener(new TileBoundsChangeListener());
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122 | }
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123 |
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124 | /**
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125 | * Constructs a new {@code TileSelectionBBoxChooser}.
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126 | */
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127 | public TileSelectionBBoxChooser() {
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128 | build();
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129 | }
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130 |
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131 | /**
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132 | * Replies the current bounding box. null, if no valid bounding box is currently selected.
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133 | *
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134 | */
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135 | @Override
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136 | public Bounds getBoundingBox() {
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137 | return bbox;
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138 | }
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139 |
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140 | /**
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141 | * Sets the current bounding box.
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142 | *
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143 | * @param bbox the bounding box. null, if this widget isn't initialized with a bounding box
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144 | */
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145 | @Override
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146 | public void setBoundingBox(Bounds bbox) {
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147 | pnlTileGrid.initFromBoundingBox(bbox);
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148 | }
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149 |
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150 | protected void refreshMapView() {
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151 | if (bbox == null) return;
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152 |
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153 | // calc the screen coordinates for the new selection rectangle
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154 | List<MapMarker> marker = new ArrayList<>(2);
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155 | marker.add(new MapMarkerDot(bbox.getMinLat(), bbox.getMinLon()));
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156 | marker.add(new MapMarkerDot(bbox.getMaxLat(), bbox.getMaxLon()));
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157 | mapViewer.setBoundingBox(bbox);
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158 | mapViewer.setMapMarkerList(marker);
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159 | mapViewer.setDisplayToFitMapMarkers();
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160 | mapViewer.zoomOut();
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161 | }
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162 |
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163 | /**
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164 | * Computes the bounding box given a tile grid.
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165 | *
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166 | * @param tb the description of the tile grid
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167 | * @return the bounding box
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168 | */
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169 | protected Bounds convertTileBoundsToBoundingBox(TileBounds tb) {
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170 | LatLon min = getNorthWestLatLonOfTile(tb.min, tb.zoomLevel);
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171 | Point p = new Point(tb.max);
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172 | p.x++;
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173 | p.y++;
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174 | LatLon max = getNorthWestLatLonOfTile(p, tb.zoomLevel);
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175 | return new Bounds(max.lat(), min.lon(), min.lat(), max.lon());
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176 | }
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177 |
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178 | /**
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179 | * Replies lat/lon of the north/west-corner of a tile at a specific zoom level
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180 | *
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181 | * @param tile the tile address (x,y)
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182 | * @param zoom the zoom level
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183 | * @return lat/lon of the north/west-corner of a tile at a specific zoom level
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184 | */
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185 | protected LatLon getNorthWestLatLonOfTile(Point tile, int zoom) {
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186 | double lon = tile.x / Math.pow(2.0, zoom) * 360.0 - 180;
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187 | double lat = Utils.toDegrees(Math.atan(Math.sinh(Math.PI - (2.0 * Math.PI * tile.y) / Math.pow(2.0, zoom))));
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188 | return new LatLon(lat, lon);
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189 | }
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190 |
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191 | /**
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192 | * Listens to changes in the selected tile bounds, refreshes the map view and emits
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193 | * property change events for {@link BBoxChooser#BBOX_PROP}
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194 | */
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195 | class TileBoundsChangeListener implements PropertyChangeListener {
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196 | @Override
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197 | public void propertyChange(PropertyChangeEvent evt) {
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198 | if (!evt.getPropertyName().equals(TileGridInputPanel.TILE_BOUNDS_PROP)) return;
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199 | TileBounds tb = (TileBounds) evt.getNewValue();
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200 | Bounds oldValue = TileSelectionBBoxChooser.this.bbox;
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201 | TileSelectionBBoxChooser.this.bbox = convertTileBoundsToBoundingBox(tb);
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202 | firePropertyChange(BBOX_PROP, oldValue, TileSelectionBBoxChooser.this.bbox);
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203 | refreshMapView();
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204 | }
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205 | }
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206 |
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207 | /**
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208 | * A panel for describing a rectangular area of OSM tiles at a given zoom level.
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209 | *
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210 | * The panel emits PropertyChangeEvents for the property {@link TileGridInputPanel#TILE_BOUNDS_PROP}
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211 | * when the user successfully enters a valid tile grid specification.
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212 | *
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213 | */
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214 | private static class TileGridInputPanel extends JPanel implements PropertyChangeListener {
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215 | public static final String TILE_BOUNDS_PROP = TileGridInputPanel.class.getName() + ".tileBounds";
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216 |
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217 | private final JosmTextField tfMaxY = new JosmTextField();
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218 | private final JosmTextField tfMinY = new JosmTextField();
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219 | private final JosmTextField tfMaxX = new JosmTextField();
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220 | private final JosmTextField tfMinX = new JosmTextField();
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221 | private transient TileCoordinateValidator valMaxY;
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222 | private transient TileCoordinateValidator valMinY;
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223 | private transient TileCoordinateValidator valMaxX;
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224 | private transient TileCoordinateValidator valMinX;
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225 | private final JSpinner spZoomLevel = new JSpinner(new SpinnerNumberModel(0, 0, 18, 1));
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226 | private final transient TileBoundsBuilder tileBoundsBuilder = new TileBoundsBuilder();
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227 | private boolean doFireTileBoundChanged = true;
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228 |
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229 | protected JPanel buildTextPanel() {
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230 | JPanel pnl = new JPanel(new BorderLayout());
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231 | HtmlPanel msg = new HtmlPanel();
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232 | msg.setText(tr("<html>Please select a <strong>range of OSM tiles</strong> at a given zoom level.</html>"));
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233 | pnl.add(msg);
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234 | return pnl;
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235 | }
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236 |
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237 | protected JPanel buildZoomLevelPanel() {
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238 | JPanel pnl = new JPanel(new FlowLayout(FlowLayout.LEFT));
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239 | pnl.add(new JLabel(tr("Zoom level:")));
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240 | pnl.add(spZoomLevel);
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241 | spZoomLevel.addChangeListener(new ZomeLevelChangeHandler());
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242 | spZoomLevel.addChangeListener(tileBoundsBuilder);
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243 | return pnl;
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244 | }
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245 |
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246 | protected JPanel buildTileGridInputPanel() {
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247 | JPanel pnl = new JPanel(new GridBagLayout());
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248 | pnl.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
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249 | GridBagConstraints gc = new GridBagConstraints();
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250 | gc.anchor = GridBagConstraints.NORTHWEST;
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251 | gc.insets = new Insets(0, 0, 2, 2);
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252 |
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253 | gc.gridwidth = 2;
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254 | gc.gridx = 1;
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255 | gc.fill = GridBagConstraints.HORIZONTAL;
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256 | pnl.add(buildZoomLevelPanel(), gc);
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257 |
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258 | gc.gridwidth = 1;
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259 | gc.gridy = 1;
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260 | gc.gridx = 1;
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261 | pnl.add(new JLabel(tr("from tile")), gc);
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262 |
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263 | gc.gridx = 2;
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264 | pnl.add(new JLabel(tr("up to tile")), gc);
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265 |
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266 | gc.gridx = 0;
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267 | gc.gridy = 2;
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268 | gc.weightx = 0.0;
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269 | pnl.add(new JLabel("X:"), gc);
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270 |
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271 |
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272 | gc.gridx = 1;
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273 | gc.weightx = 0.5;
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274 | pnl.add(tfMinX, gc);
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275 | valMinX = new TileCoordinateValidator(tfMinX);
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276 | SelectAllOnFocusGainedDecorator.decorate(tfMinX);
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277 | tfMinX.addActionListener(tileBoundsBuilder);
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278 | tfMinX.addFocusListener(tileBoundsBuilder);
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279 |
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280 | gc.gridx = 2;
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281 | gc.weightx = 0.5;
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282 | pnl.add(tfMaxX, gc);
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283 | valMaxX = new TileCoordinateValidator(tfMaxX);
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284 | SelectAllOnFocusGainedDecorator.decorate(tfMaxX);
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285 | tfMaxX.addActionListener(tileBoundsBuilder);
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286 | tfMaxX.addFocusListener(tileBoundsBuilder);
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287 |
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288 | gc.gridx = 0;
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289 | gc.gridy = 3;
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290 | gc.weightx = 0.0;
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291 | pnl.add(new JLabel("Y:"), gc);
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292 |
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293 | gc.gridx = 1;
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294 | gc.weightx = 0.5;
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295 | pnl.add(tfMinY, gc);
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296 | valMinY = new TileCoordinateValidator(tfMinY);
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297 | SelectAllOnFocusGainedDecorator.decorate(tfMinY);
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298 | tfMinY.addActionListener(tileBoundsBuilder);
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299 | tfMinY.addFocusListener(tileBoundsBuilder);
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300 |
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301 | gc.gridx = 2;
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302 | gc.weightx = 0.5;
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303 | pnl.add(tfMaxY, gc);
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304 | valMaxY = new TileCoordinateValidator(tfMaxY);
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305 | SelectAllOnFocusGainedDecorator.decorate(tfMaxY);
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306 | tfMaxY.addActionListener(tileBoundsBuilder);
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307 | tfMaxY.addFocusListener(tileBoundsBuilder);
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308 |
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309 | gc.gridy = 4;
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310 | gc.gridx = 0;
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311 | gc.gridwidth = 3;
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312 | gc.weightx = 1.0;
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313 | gc.weighty = 1.0;
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314 | gc.fill = GridBagConstraints.BOTH;
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315 | pnl.add(new JPanel(), gc);
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316 | return pnl;
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317 | }
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318 |
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319 | protected void build() {
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320 | setLayout(new BorderLayout());
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321 | setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
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322 | add(buildTextPanel(), BorderLayout.NORTH);
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323 | add(buildTileGridInputPanel(), BorderLayout.CENTER);
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324 |
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325 | Set<AWTKeyStroke> forwardKeys = new HashSet<>(getFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));
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326 | forwardKeys.add(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0));
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327 | setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, forwardKeys);
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328 | }
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329 |
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330 | TileGridInputPanel() {
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331 | build();
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332 | }
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333 |
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334 | public void initFromBoundingBox(Bounds bbox) {
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335 | if (bbox == null)
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336 | return;
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337 | TileBounds tb = new TileBounds();
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338 | tb.zoomLevel = (Integer) spZoomLevel.getValue();
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339 | tb.min = new Point(
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340 | Math.max(0, lonToTileX(tb.zoomLevel, bbox.getMinLon())),
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341 | Math.max(0, latToTileY(tb.zoomLevel, bbox.getMaxLat() - 0.00001))
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342 | );
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343 | tb.max = new Point(
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344 | Math.max(0, lonToTileX(tb.zoomLevel, bbox.getMaxLon())),
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345 | Math.max(0, latToTileY(tb.zoomLevel, bbox.getMinLat() - 0.00001))
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346 | );
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347 | doFireTileBoundChanged = false;
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348 | setTileBounds(tb);
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349 | doFireTileBoundChanged = true;
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350 | }
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351 |
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352 | public static int latToTileY(int zoom, double lat) {
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353 | if ((zoom < 3) || (zoom > 18)) return -1;
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354 | double l = lat / 180 * Math.PI;
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355 | double pf = Math.log(Math.tan(l) + (1/Math.cos(l)));
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356 | return (int) ((1 << (zoom-1)) * (Math.PI - pf) / Math.PI);
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357 | }
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358 |
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359 | public static int lonToTileX(int zoom, double lon) {
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360 | if ((zoom < 3) || (zoom > 18)) return -1;
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361 | return (int) ((1 << (zoom-3)) * (lon + 180.0) / 45.0);
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362 | }
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363 |
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364 | public void setTileBounds(TileBounds tileBounds) {
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365 | tfMinX.setText(Integer.toString(tileBounds.min.x));
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366 | tfMinY.setText(Integer.toString(tileBounds.min.y));
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367 | tfMaxX.setText(Integer.toString(tileBounds.max.x));
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368 | tfMaxY.setText(Integer.toString(tileBounds.max.y));
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369 | spZoomLevel.setValue(tileBounds.zoomLevel);
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370 | }
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371 |
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372 | @Override
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373 | public void propertyChange(PropertyChangeEvent evt) {
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374 | if (evt.getPropertyName().equals(TileAddressInputPanel.TILE_BOUNDS_PROP)) {
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375 | TileBounds tb = (TileBounds) evt.getNewValue();
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376 | setTileBounds(tb);
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377 | fireTileBoundsChanged(tb);
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378 | }
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379 | }
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380 |
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381 | protected void fireTileBoundsChanged(TileBounds tb) {
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382 | if (!doFireTileBoundChanged) return;
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383 | firePropertyChange(TILE_BOUNDS_PROP, null, tb);
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384 | }
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385 |
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386 | class ZomeLevelChangeHandler implements ChangeListener {
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387 | @Override
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388 | public void stateChanged(ChangeEvent e) {
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389 | int zoomLevel = (Integer) spZoomLevel.getValue();
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390 | valMaxX.setZoomLevel(zoomLevel);
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391 | valMaxY.setZoomLevel(zoomLevel);
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392 | valMinX.setZoomLevel(zoomLevel);
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393 | valMinY.setZoomLevel(zoomLevel);
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394 | }
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395 | }
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396 |
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397 | class TileBoundsBuilder implements ActionListener, FocusListener, ChangeListener {
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398 | protected void buildTileBounds() {
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399 | if (!valMaxX.isValid()) return;
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400 | if (!valMaxY.isValid()) return;
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401 | if (!valMinX.isValid()) return;
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402 | if (!valMinY.isValid()) return;
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403 | Point min = new Point(valMinX.getTileIndex(), valMinY.getTileIndex());
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404 | Point max = new Point(valMaxX.getTileIndex(), valMaxY.getTileIndex());
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405 | int zoomlevel = (Integer) spZoomLevel.getValue();
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406 | TileBounds tb = new TileBounds(min, max, zoomlevel);
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407 | fireTileBoundsChanged(tb);
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408 | }
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409 |
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410 | @Override
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411 | public void focusGained(FocusEvent e) {
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412 | /* irrelevant */
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413 | }
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414 |
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415 | @Override
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416 | public void focusLost(FocusEvent e) {
|
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417 | buildTileBounds();
|
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418 | }
|
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419 |
|
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420 | @Override
|
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421 | public void actionPerformed(ActionEvent e) {
|
---|
422 | buildTileBounds();
|
---|
423 | }
|
---|
424 |
|
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425 | @Override
|
---|
426 | public void stateChanged(ChangeEvent e) {
|
---|
427 | buildTileBounds();
|
---|
428 | }
|
---|
429 | }
|
---|
430 | }
|
---|
431 |
|
---|
432 | /**
|
---|
433 | * A panel for entering the address of a single OSM tile at a given zoom level.
|
---|
434 | *
|
---|
435 | */
|
---|
436 | private static class TileAddressInputPanel extends JPanel {
|
---|
437 |
|
---|
438 | public static final String TILE_BOUNDS_PROP = TileAddressInputPanel.class.getName() + ".tileBounds";
|
---|
439 |
|
---|
440 | private transient TileAddressValidator valTileAddress;
|
---|
441 |
|
---|
442 | protected JPanel buildTextPanel() {
|
---|
443 | JPanel pnl = new JPanel(new BorderLayout());
|
---|
444 | HtmlPanel msg = new HtmlPanel();
|
---|
445 | msg.setText(tr("<html>Alternatively you may enter a <strong>tile address</strong> for a single tile "
|
---|
446 | + "in the format <i>zoomlevel/x/y</i>, e.g. <i>15/256/223</i>. Tile addresses "
|
---|
447 | + "in the format <i>zoom,x,y</i> or <i>zoom;x;y</i> are valid too.</html>"));
|
---|
448 | pnl.add(msg);
|
---|
449 | return pnl;
|
---|
450 | }
|
---|
451 |
|
---|
452 | protected JPanel buildTileAddressInputPanel() {
|
---|
453 | JPanel pnl = new JPanel(new GridBagLayout());
|
---|
454 | GridBagConstraints gc = new GridBagConstraints();
|
---|
455 | gc.anchor = GridBagConstraints.NORTHWEST;
|
---|
456 | gc.fill = GridBagConstraints.HORIZONTAL;
|
---|
457 | gc.weightx = 0.0;
|
---|
458 | gc.insets = new Insets(0, 0, 2, 2);
|
---|
459 | pnl.add(new JLabel(tr("Tile address:")), gc);
|
---|
460 |
|
---|
461 | gc.weightx = 1.0;
|
---|
462 | gc.gridx = 1;
|
---|
463 | JosmTextField tfTileAddress = new JosmTextField();
|
---|
464 | pnl.add(tfTileAddress, gc);
|
---|
465 | valTileAddress = new TileAddressValidator(tfTileAddress);
|
---|
466 | SelectAllOnFocusGainedDecorator.decorate(tfTileAddress);
|
---|
467 |
|
---|
468 | gc.weightx = 0.0;
|
---|
469 | gc.gridx = 2;
|
---|
470 | ApplyTileAddressAction applyTileAddressAction = new ApplyTileAddressAction();
|
---|
471 | JButton btn = new JButton(applyTileAddressAction);
|
---|
472 | btn.setBorder(BorderFactory.createEmptyBorder(1, 1, 1, 1));
|
---|
473 | pnl.add(btn, gc);
|
---|
474 | tfTileAddress.addActionListener(applyTileAddressAction);
|
---|
475 | return pnl;
|
---|
476 | }
|
---|
477 |
|
---|
478 | protected void build() {
|
---|
479 | setLayout(new GridBagLayout());
|
---|
480 | GridBagConstraints gc = new GridBagConstraints();
|
---|
481 | gc.anchor = GridBagConstraints.NORTHWEST;
|
---|
482 | gc.fill = GridBagConstraints.HORIZONTAL;
|
---|
483 | gc.weightx = 1.0;
|
---|
484 | gc.insets = new Insets(0, 0, 5, 0);
|
---|
485 | add(buildTextPanel(), gc);
|
---|
486 |
|
---|
487 | gc.gridy = 1;
|
---|
488 | add(buildTileAddressInputPanel(), gc);
|
---|
489 |
|
---|
490 | // filler - grab remaining space
|
---|
491 | gc.gridy = 2;
|
---|
492 | gc.fill = GridBagConstraints.BOTH;
|
---|
493 | gc.weighty = 1.0;
|
---|
494 | add(new JPanel(), gc);
|
---|
495 | }
|
---|
496 |
|
---|
497 | TileAddressInputPanel() {
|
---|
498 | setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
|
---|
499 | build();
|
---|
500 | }
|
---|
501 |
|
---|
502 | protected void fireTileBoundsChanged(TileBounds tb) {
|
---|
503 | firePropertyChange(TILE_BOUNDS_PROP, null, tb);
|
---|
504 | }
|
---|
505 |
|
---|
506 | class ApplyTileAddressAction extends AbstractAction {
|
---|
507 | ApplyTileAddressAction() {
|
---|
508 | new ImageProvider("apply").getResource().attachImageIcon(this, true);
|
---|
509 | putValue(SHORT_DESCRIPTION, tr("Apply the tile address"));
|
---|
510 | }
|
---|
511 |
|
---|
512 | @Override
|
---|
513 | public void actionPerformed(ActionEvent e) {
|
---|
514 | TileBounds tb = valTileAddress.getTileBounds();
|
---|
515 | if (tb != null) {
|
---|
516 | fireTileBoundsChanged(tb);
|
---|
517 | }
|
---|
518 | }
|
---|
519 | }
|
---|
520 | }
|
---|
521 |
|
---|
522 | /**
|
---|
523 | * Validates a tile address
|
---|
524 | */
|
---|
525 | private static class TileAddressValidator extends AbstractTextComponentValidator {
|
---|
526 |
|
---|
527 | private TileBounds tileBounds;
|
---|
528 |
|
---|
529 | TileAddressValidator(JTextComponent tc) {
|
---|
530 | super(tc);
|
---|
531 | }
|
---|
532 |
|
---|
533 | @Override
|
---|
534 | public boolean isValid() {
|
---|
535 | String value = getComponent().getText().trim();
|
---|
536 | Matcher m = Pattern.compile("(\\d+)[^\\d]+(\\d+)[^\\d]+(\\d+)").matcher(value);
|
---|
537 | tileBounds = null;
|
---|
538 | if (!m.matches()) return false;
|
---|
539 | int zoom;
|
---|
540 | try {
|
---|
541 | zoom = Integer.parseInt(m.group(1));
|
---|
542 | } catch (NumberFormatException e) {
|
---|
543 | return false;
|
---|
544 | }
|
---|
545 | if (zoom < 0 || zoom > 18) return false;
|
---|
546 |
|
---|
547 | int x;
|
---|
548 | try {
|
---|
549 | x = Integer.parseInt(m.group(2));
|
---|
550 | } catch (NumberFormatException e) {
|
---|
551 | return false;
|
---|
552 | }
|
---|
553 | if (x < 0 || x >= Math.pow(2, zoom)) return false;
|
---|
554 | int y;
|
---|
555 | try {
|
---|
556 | y = Integer.parseInt(m.group(3));
|
---|
557 | } catch (NumberFormatException e) {
|
---|
558 | return false;
|
---|
559 | }
|
---|
560 | if (y < 0 || y >= Math.pow(2, zoom)) return false;
|
---|
561 |
|
---|
562 | tileBounds = new TileBounds(new Point(x, y), new Point(x, y), zoom);
|
---|
563 | return true;
|
---|
564 | }
|
---|
565 |
|
---|
566 | @Override
|
---|
567 | public void validate() {
|
---|
568 | if (isValid()) {
|
---|
569 | feedbackValid(tr("Please enter a tile address"));
|
---|
570 | } else {
|
---|
571 | feedbackInvalid(tr("The current value isn''t a valid tile address", getComponent().getText()));
|
---|
572 | }
|
---|
573 | }
|
---|
574 |
|
---|
575 | public TileBounds getTileBounds() {
|
---|
576 | return tileBounds;
|
---|
577 | }
|
---|
578 | }
|
---|
579 |
|
---|
580 | /**
|
---|
581 | * Validates the x- or y-coordinate of a tile at a given zoom level.
|
---|
582 | *
|
---|
583 | */
|
---|
584 | private static class TileCoordinateValidator extends AbstractTextComponentValidator {
|
---|
585 | private int zoomLevel;
|
---|
586 | private int tileIndex;
|
---|
587 |
|
---|
588 | TileCoordinateValidator(JTextComponent tc) {
|
---|
589 | super(tc);
|
---|
590 | }
|
---|
591 |
|
---|
592 | public void setZoomLevel(int zoomLevel) {
|
---|
593 | this.zoomLevel = zoomLevel;
|
---|
594 | validate();
|
---|
595 | }
|
---|
596 |
|
---|
597 | @Override
|
---|
598 | public boolean isValid() {
|
---|
599 | String value = getComponent().getText().trim();
|
---|
600 | try {
|
---|
601 | if (value.isEmpty()) {
|
---|
602 | tileIndex = 0;
|
---|
603 | } else {
|
---|
604 | tileIndex = Integer.parseInt(value);
|
---|
605 | }
|
---|
606 | } catch (NumberFormatException e) {
|
---|
607 | return false;
|
---|
608 | }
|
---|
609 | return tileIndex >= 0 && tileIndex < Math.pow(2, zoomLevel);
|
---|
610 | }
|
---|
611 |
|
---|
612 | @Override
|
---|
613 | public void validate() {
|
---|
614 | if (isValid()) {
|
---|
615 | feedbackValid(tr("Please enter a tile index"));
|
---|
616 | } else {
|
---|
617 | feedbackInvalid(tr("The current value isn''t a valid tile index for the given zoom level", getComponent().getText()));
|
---|
618 | }
|
---|
619 | }
|
---|
620 |
|
---|
621 | public int getTileIndex() {
|
---|
622 | return tileIndex;
|
---|
623 | }
|
---|
624 | }
|
---|
625 |
|
---|
626 | /**
|
---|
627 | * Represents a rectangular area of tiles at a given zoom level.
|
---|
628 | */
|
---|
629 | private static final class TileBounds {
|
---|
630 | private Point min;
|
---|
631 | private Point max;
|
---|
632 | private int zoomLevel;
|
---|
633 |
|
---|
634 | private TileBounds() {
|
---|
635 | zoomLevel = 0;
|
---|
636 | min = new Point(0, 0);
|
---|
637 | max = new Point(0, 0);
|
---|
638 | }
|
---|
639 |
|
---|
640 | private TileBounds(Point min, Point max, int zoomLevel) {
|
---|
641 | this.min = min;
|
---|
642 | this.max = max;
|
---|
643 | this.zoomLevel = zoomLevel;
|
---|
644 | }
|
---|
645 |
|
---|
646 | @Override
|
---|
647 | public String toString() {
|
---|
648 | StringBuilder sb = new StringBuilder(24);
|
---|
649 | sb.append("min=").append(min.x).append(',').append(min.y)
|
---|
650 | .append(",max=").append(max.x).append(',').append(max.y)
|
---|
651 | .append(",zoom=").append(zoomLevel);
|
---|
652 | return sb.toString();
|
---|
653 | }
|
---|
654 | }
|
---|
655 |
|
---|
656 | /**
|
---|
657 | * The map view used in this bounding box chooser
|
---|
658 | */
|
---|
659 | private static final class TileBoundsMapView extends JMapViewer {
|
---|
660 | private Point min;
|
---|
661 | private Point max;
|
---|
662 |
|
---|
663 | private TileBoundsMapView() {
|
---|
664 | setBorder(BorderFactory.createLineBorder(Color.DARK_GRAY));
|
---|
665 | TileLoader loader = tileController.getTileLoader();
|
---|
666 | if (loader instanceof OsmTileLoader) {
|
---|
667 | ((OsmTileLoader) loader).headers.put("User-Agent", Version.getInstance().getFullAgentString());
|
---|
668 | }
|
---|
669 | }
|
---|
670 |
|
---|
671 | public void setBoundingBox(Bounds bbox) {
|
---|
672 | if (bbox == null) {
|
---|
673 | min = null;
|
---|
674 | max = null;
|
---|
675 | } else {
|
---|
676 | Point p1 = tileSource.latLonToXY(bbox.getMinLat(), bbox.getMinLon(), MAX_ZOOM);
|
---|
677 | Point p2 = tileSource.latLonToXY(bbox.getMaxLat(), bbox.getMaxLon(), MAX_ZOOM);
|
---|
678 |
|
---|
679 | min = new Point(Math.min(p1.x, p2.x), Math.min(p1.y, p2.y));
|
---|
680 | max = new Point(Math.max(p1.x, p2.x), Math.max(p1.y, p2.y));
|
---|
681 | }
|
---|
682 | repaint();
|
---|
683 | }
|
---|
684 |
|
---|
685 | private Point getTopLeftCoordinates() {
|
---|
686 | return new Point(center.x - (getWidth() / 2), center.y - (getHeight() / 2));
|
---|
687 | }
|
---|
688 |
|
---|
689 | /**
|
---|
690 | * Draw the map.
|
---|
691 | */
|
---|
692 | @Override
|
---|
693 | public void paint(Graphics g) {
|
---|
694 | super.paint(g);
|
---|
695 | if (min == null || max == null) return;
|
---|
696 | int zoomDiff = MAX_ZOOM - zoom;
|
---|
697 | Point tlc = getTopLeftCoordinates();
|
---|
698 | int xMin = (min.x >> zoomDiff) - tlc.x;
|
---|
699 | int yMin = (min.y >> zoomDiff) - tlc.y;
|
---|
700 | int xMax = (max.x >> zoomDiff) - tlc.x;
|
---|
701 | int yMax = (max.y >> zoomDiff) - tlc.y;
|
---|
702 |
|
---|
703 | int w = xMax - xMin;
|
---|
704 | int h = yMax - yMin;
|
---|
705 | g.setColor(new Color(0.9f, 0.7f, 0.7f, 0.6f));
|
---|
706 | g.fillRect(xMin, yMin, w, h);
|
---|
707 |
|
---|
708 | g.setColor(Color.BLACK);
|
---|
709 | g.drawRect(xMin, yMin, w, h);
|
---|
710 | }
|
---|
711 | }
|
---|
712 | }
|
---|