1 | // This code has been adapted and copied from code that has been written by Immanuel Scholz and others for JOSM.
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2 | // License: GPL. Copyright 2007 by Tim Haussmann
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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.BorderLayout;
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7 | import java.awt.Color;
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8 | import java.awt.Component;
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9 | import java.awt.Dimension;
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10 | import java.awt.Graphics;
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11 | import java.awt.Point;
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12 | import java.awt.Toolkit;
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13 | import java.awt.event.ComponentEvent;
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14 | import java.awt.event.ComponentListener;
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15 | import java.awt.geom.Point2D;
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16 | import java.util.Vector;
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17 |
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18 | import javax.swing.JLabel;
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19 | import javax.swing.JPanel;
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20 |
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21 | import org.openstreetmap.gui.jmapviewer.JMapViewer;
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22 | import org.openstreetmap.gui.jmapviewer.MapMarkerDot;
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23 | import org.openstreetmap.gui.jmapviewer.MemoryTileCache;
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24 | import org.openstreetmap.gui.jmapviewer.OsmFileCacheTileLoader;
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25 | import org.openstreetmap.gui.jmapviewer.OsmMercator;
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26 | import org.openstreetmap.gui.jmapviewer.OsmTileLoader;
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27 | import org.openstreetmap.gui.jmapviewer.OsmTileSource;
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28 | import org.openstreetmap.gui.jmapviewer.OsmTileSource.CycleMap;
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29 | import org.openstreetmap.gui.jmapviewer.interfaces.MapMarker;
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30 | import org.openstreetmap.gui.jmapviewer.interfaces.TileLoader;
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31 | import org.openstreetmap.gui.jmapviewer.interfaces.TileSource;
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32 | import org.openstreetmap.josm.Main;
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33 | import org.openstreetmap.josm.gui.download.DownloadDialog;
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34 | import org.openstreetmap.josm.gui.download.DownloadSelection;
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35 |
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36 | /**
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37 | * JComponent that displays the slippy map tiles
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38 | *
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39 | * @author Tim Haussmann
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40 | *
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41 | */
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42 | public class SlippyMapChooser extends JMapViewer implements DownloadSelection, ComponentListener {
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43 |
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44 | private DownloadDialog iGui;
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45 |
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46 | // upper left and lower right corners of the selection rectangle (x/y on
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47 | // ZOOM_MAX)
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48 | Point iSelectionRectStart;
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49 | Point iSelectionRectEnd;
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50 |
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51 | private SizeButton iSizeButton = new SizeButton();
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52 | private SourceButton iSourceButton = new SourceButton();
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53 |
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54 | // standard dimension
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55 | private Dimension iDownloadDialogDimension;
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56 | // screen size
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57 | private Dimension iScreenSize;
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58 |
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59 | private TileSource[] sources = { new OsmTileSource.Mapnik(), new OsmTileSource.TilesAtHome(),new OsmTileSource.CycleMap()};
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60 | TileLoader cachedLoader;
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61 | TileLoader uncachedLoader;
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62 | JPanel slipyyMapTabPanel;
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63 | boolean firstShown = true;
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64 |
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65 | /**
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66 | * Create the chooser component.
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67 | */
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68 | public SlippyMapChooser() {
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69 | super();
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70 | cachedLoader = new OsmFileCacheTileLoader(this);
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71 | uncachedLoader = new OsmTileLoader(this);
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72 | setZoomContolsVisible(false);
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73 | setMapMarkerVisible(false);
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74 | setMinimumSize(new Dimension(350, 350 / 2));
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75 | setFileCacheEnabled(SlippyMapChooserPlugin.ENABLE_FILE_CACHE);
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76 | setMaxTilesInmemory(SlippyMapChooserPlugin.MAX_TILES_IN_MEMORY);
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77 | addComponentListener(this);
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78 |
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79 | String mapStyle = Main.pref.get("slippy_map_chooser.mapstyle", "mapnik");
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80 | if(mapStyle.equals("osmarender")) {
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81 | iSourceButton.setMapStyle(SourceButton.OSMARENDER);
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82 | this.setTileSource(sources[1]);
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83 | }else if(mapStyle.equals("cyclemap")){
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84 | iSourceButton.setMapStyle(SourceButton.CYCLEMAP);
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85 | this.setTileSource(sources[2]);
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86 | }
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87 | else {
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88 | if(!mapStyle.equals("mapnik"))
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89 | Main.pref.put("slippy_map_chooser.mapstyle", "mapnik");
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90 | }
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91 | }
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92 |
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93 | public void setMaxTilesInmemory(int tiles) {
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94 | ((MemoryTileCache) getTileCache()).setCacheSize(tiles);
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95 | }
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96 |
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97 | public void setFileCacheEnabled(boolean enabled) {
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98 | if (enabled)
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99 | setTileLoader(cachedLoader);
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100 | else
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101 | setTileLoader(uncachedLoader);
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102 | }
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103 |
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104 | public void addGui(final DownloadDialog gui) {
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105 | iGui = gui;
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106 | slipyyMapTabPanel = new JPanel();
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107 | slipyyMapTabPanel.setLayout(new BorderLayout());
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108 | slipyyMapTabPanel.add(this, BorderLayout.CENTER);
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109 | slipyyMapTabPanel.add(new JLabel((tr("Zoom: Mousewheel or double click. "
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110 | + "Move map: Hold right mousebutton and move mouse. Select: Click."))),
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111 | BorderLayout.SOUTH);
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112 | iGui.tabpane.add(slipyyMapTabPanel, tr("Slippy map"));
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113 | iGui.tabpane.addComponentListener(this);
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114 | new OsmMapControl(this, slipyyMapTabPanel, iSizeButton, iSourceButton);
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115 | }
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116 |
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117 | protected Point getTopLeftCoordinates() {
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118 | return new Point(center.x - (getWidth() / 2), center.y - (getHeight() / 2));
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119 | }
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120 |
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121 | /**
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122 | * Draw the map.
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123 | */
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124 | @Override
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125 | public void paint(Graphics g) {
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126 | try {
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127 | super.paint(g);
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128 |
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129 | // draw selection rectangle
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130 | if (iSelectionRectStart != null && iSelectionRectEnd != null) {
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131 |
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132 | int zoomDiff = MAX_ZOOM - zoom;
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133 | Point tlc = getTopLeftCoordinates();
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134 | int x_min = (iSelectionRectStart.x >> zoomDiff) - tlc.x;
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135 | int y_min = (iSelectionRectStart.y >> zoomDiff) - tlc.y;
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136 | int x_max = (iSelectionRectEnd.x >> zoomDiff) - tlc.x;
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137 | int y_max = (iSelectionRectEnd.y >> zoomDiff) - tlc.y;
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138 |
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139 | int w = x_max - x_min;
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140 | int h = y_max - y_min;
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141 | g.setColor(new Color(0.9f, 0.7f, 0.7f, 0.6f));
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142 | g.fillRect(x_min, y_min, w, h);
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143 |
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144 | g.setColor(Color.BLACK);
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145 | g.drawRect(x_min, y_min, w, h);
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146 |
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147 | }
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148 |
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149 | iSizeButton.paint(g);
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150 | iSourceButton.paint(g);
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151 | } catch (Exception e) {
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152 | e.printStackTrace();
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153 | }
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154 | }
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155 |
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156 | public void boundingBoxChanged(DownloadDialog gui) {
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157 |
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158 | // test if a bounding box has been set set
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159 | if (gui.minlat == 0.0 && gui.minlon == 0.0 && gui.maxlat == 0.0 && gui.maxlon == 0.0)
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160 | return;
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161 |
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162 | int y1 = OsmMercator.LatToY(gui.minlat, MAX_ZOOM);
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163 | int y2 = OsmMercator.LatToY(gui.maxlat, MAX_ZOOM);
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164 | int x1 = OsmMercator.LonToX(gui.minlon, MAX_ZOOM);
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165 | int x2 = OsmMercator.LonToX(gui.maxlon, MAX_ZOOM);
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166 |
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167 | iSelectionRectStart = new Point(Math.min(x1, x2), Math.min(y1, y2));
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168 | iSelectionRectEnd = new Point(Math.max(x1, x2), Math.max(y1, y2));
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169 |
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170 | // calc the screen coordinates for the new selection rectangle
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171 | MapMarkerDot xmin_ymin = new MapMarkerDot(gui.minlat, gui.minlon);
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172 | MapMarkerDot xmax_ymax = new MapMarkerDot(gui.maxlat, gui.maxlon);
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173 |
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174 | Vector<MapMarker> marker = new Vector<MapMarker>(2);
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175 | marker.add(xmin_ymin);
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176 | marker.add(xmax_ymax);
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177 | setMapMarkerList(marker);
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178 | setDisplayToFitMapMarkers();
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179 | zoomOut();
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180 | }
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181 |
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182 | /**
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183 | * Callback for the OsmMapControl. (Re-)Sets the start and end point of the
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184 | * selection rectangle.
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185 | *
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186 | * @param aStart
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187 | * @param aEnd
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188 | */
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189 | public void setSelection(Point aStart, Point aEnd) {
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190 | if (aStart == null || aEnd == null)
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191 | return;
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192 | Point p_max = new Point(Math.max(aEnd.x, aStart.x), Math.max(aEnd.y, aStart.y));
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193 | Point p_min = new Point(Math.min(aEnd.x, aStart.x), Math.min(aEnd.y, aStart.y));
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194 |
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195 | Point tlc = getTopLeftCoordinates();
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196 | int zoomDiff = MAX_ZOOM - zoom;
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197 | Point pEnd = new Point(p_max.x + tlc.x, p_max.y + tlc.y);
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198 | Point pStart = new Point(p_min.x + tlc.x, p_min.y + tlc.y);
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199 |
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200 | pEnd.x <<= zoomDiff;
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201 | pEnd.y <<= zoomDiff;
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202 | pStart.x <<= zoomDiff;
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203 | pStart.y <<= zoomDiff;
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204 |
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205 | iSelectionRectStart = pStart;
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206 | iSelectionRectEnd = pEnd;
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207 |
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208 | Point2D.Double l1 = getPosition(p_max);
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209 | Point2D.Double l2 = getPosition(p_min);
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210 | iGui.minlat = Math.min(l2.x, l1.x);
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211 | iGui.minlon = Math.min(l1.y, l2.y);
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212 | iGui.maxlat = Math.max(l2.x, l1.x);
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213 | iGui.maxlon = Math.max(l1.y, l2.y);
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214 |
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215 | iGui.boundingBoxChanged(this);
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216 | repaint();
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217 | }
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218 |
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219 | /**
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220 | * Performs resizing of the DownloadDialog in order to enlarge or shrink the
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221 | * map.
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222 | */
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223 | public void resizeSlippyMap() {
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224 | if (iScreenSize == null) {
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225 | Component c =
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226 | iGui.getParent().getParent().getParent().getParent().getParent().getParent()
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227 | .getParent().getParent().getParent();
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228 | // remember the initial set screen dimensions
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229 | iDownloadDialogDimension = c.getSize();
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230 | // retrive the size of the display
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231 | iScreenSize = Toolkit.getDefaultToolkit().getScreenSize();
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232 | }
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233 |
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234 | // resize
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235 | Component co =
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236 | iGui.getParent().getParent().getParent().getParent().getParent().getParent()
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237 | .getParent().getParent().getParent();
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238 | Dimension currentDimension = co.getSize();
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239 |
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240 | // enlarge
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241 | if (currentDimension.equals(iDownloadDialogDimension)) {
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242 | // make the each dimension 90% of the absolute display size and
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243 | // center the DownloadDialog
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244 | int w = iScreenSize.width * 90 / 100;
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245 | int h = iScreenSize.height * 90 / 100;
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246 | co.setBounds((iScreenSize.width - w) / 2, (iScreenSize.height - h) / 2, w, h);
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247 |
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248 | }
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249 | // shrink
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250 | else {
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251 | // set the size back to the initial dimensions and center the
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252 | // DownloadDialog
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253 | int w = iDownloadDialogDimension.width;
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254 | int h = iDownloadDialogDimension.height;
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255 | co.setBounds((iScreenSize.width - w) / 2, (iScreenSize.height - h) / 2, w, h);
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256 |
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257 | }
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258 |
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259 | repaint();
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260 | }
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261 |
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262 | public void toggleMapSource(int mapSource) {
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263 | this.tileCache = new MemoryTileCache();
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264 | if (mapSource == SourceButton.MAPNIK) {
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265 | this.setTileSource(sources[0]);
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266 | Main.pref.put("slippy_map_chooser.mapstyle", "mapnik");
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267 | }else if (mapSource == SourceButton.CYCLEMAP) {
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268 | this.setTileSource(sources[2]);
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269 | Main.pref.put("slippy_map_chooser.mapstyle", "cyclemap");
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270 | }else {
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271 | this.setTileSource(sources[1]);
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272 | Main.pref.put("slippy_map_chooser.mapstyle", "osmarender");
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273 | }
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274 | }
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275 |
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276 | public void componentHidden(ComponentEvent e) {
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277 | }
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278 |
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279 | public void componentMoved(ComponentEvent e) {
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280 | }
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281 |
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282 | public void componentShown(ComponentEvent e) {
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283 | }
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284 |
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285 | public void componentResized(ComponentEvent e) {
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286 | if (!this.equals(e.getSource()) || getHeight() == 0 || getWidth() == 0)
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287 | return;
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288 | firstShown = false;
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289 | // The bounding box has to be set after SlippyMapChooser's size has been
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290 | // finally set - otherwise the zoom level will be totally wrong (too wide)
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291 | boundingBoxChanged(iGui);
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292 | }
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293 |
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294 | }
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