1 | package imageryadjust;
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2 |
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3 | import java.awt.*;
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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.event.*;
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7 | import java.util.List;
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8 | import java.util.*;
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9 |
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10 | import javax.swing.*;
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11 | import javax.swing.Timer;
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12 |
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13 | import org.openstreetmap.josm.Main;
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14 | import org.openstreetmap.josm.actions.mapmode.MapMode;
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15 | import org.openstreetmap.josm.data.coor.EastNorth;
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16 | import org.openstreetmap.josm.gui.ExtendedDialog;
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17 | import org.openstreetmap.josm.gui.MapFrame;
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18 | import org.openstreetmap.josm.gui.layer.ImageryLayer;
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19 | import org.openstreetmap.josm.gui.layer.Layer;
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20 | import org.openstreetmap.josm.tools.GBC;
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21 | import org.openstreetmap.josm.tools.ImageProvider;
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22 | import org.openstreetmap.josm.tools.Shortcut;
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23 |
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24 |
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25 | public class ImageryAdjustMapMode extends MapMode implements MouseListener, MouseMotionListener, AWTEventListener, MapFrame.MapModeChangeListener{
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26 | boolean mouseDown;
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27 | EastNorth prevEastNorth;
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28 | private ImageryLayer adjustingLayer;
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29 | private MapMode oldMapMode;
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30 |
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31 | private final TreeSet<Integer> set = new TreeSet<Integer>();
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32 | private Timer timer;
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33 | private KeyEvent releaseEvent;
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34 |
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35 | public ImageryAdjustMapMode(MapFrame mapFrame) {
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36 | super(tr("Adjust imagery"), "adjustimg",
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37 | tr("Adjust the position of the selected imagery layer"),
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38 | Shortcut.registerShortcut("imageryadjust:adjustmode", tr("Mode: {0}", tr("Adjust imagery")),
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39 | KeyEvent.VK_Y, Shortcut.ALT_CTRL),
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40 | mapFrame,
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41 | ImageProvider.getCursor("normal", "move"));
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42 | MapFrame.addMapModeChangeListener(this);
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43 | }
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44 |
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45 | private List<? extends Layer> getVisibleLayers() {
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46 | List<? extends Layer> all = new ArrayList<Layer>(Main.map.mapView.getLayersOfType(ImageryLayer.class));
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47 | Iterator<? extends Layer> it = all.iterator();
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48 | while (it.hasNext()) {
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49 | if (!it.next().isVisible()) it.remove();
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50 | }
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51 | return all;
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52 | }
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53 |
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54 | @Override
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55 | public void actionPerformed(ActionEvent e) {
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56 | super.actionPerformed(e);
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57 | }
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58 |
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59 |
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60 |
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61 | @Override public void enterMode() {
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62 | super.enterMode();
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63 | if (!hasImageryLayersToAdjust()) {
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64 | warnNoImageryLayers();
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65 | return;
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66 | }
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67 | List<ImageryLayer> layers = Main.map.mapView.getLayersOfType(ImageryLayer.class);
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68 | if (layers.size() == 1) {
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69 | adjustingLayer = layers.get(0);
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70 | } else {
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71 | adjustingLayer = (ImageryLayer)askAdjustLayer(getVisibleLayers());
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72 | }
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73 | if (adjustingLayer == null)
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74 | return;
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75 | if (!adjustingLayer.isVisible()) {
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76 | adjustingLayer.setVisible(true);
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77 | }
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78 | Main.map.mapView.addMouseListener(this);
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79 | Main.map.mapView.addMouseMotionListener(this);
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80 | timer = new Timer(0, new ActionListener() {
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81 | @Override
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82 | public void actionPerformed(ActionEvent ae) {
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83 | timer.stop();
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84 | if (set.remove(releaseEvent.getKeyCode())) {
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85 | doKeyReleaseEvent(releaseEvent);
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86 | }
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87 | }
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88 |
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89 | });
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90 |
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91 | try {
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92 | Toolkit.getDefaultToolkit().addAWTEventListener(this,
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93 | AWTEvent.KEY_EVENT_MASK);
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94 | } catch (SecurityException ex) {
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95 | }
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96 |
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97 |
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98 | }
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99 |
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100 | @Override public void exitMode() {
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101 | super.exitMode();
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102 | Main.map.mapView.removeMouseListener(this);
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103 | Main.map.mapView.removeMouseMotionListener(this);
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104 | adjustingLayer = null;
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105 | try {
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106 | Toolkit.getDefaultToolkit().removeAWTEventListener(this);
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107 | } catch (SecurityException ex) {
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108 | }
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109 | }
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110 |
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111 | @Override public void mousePressed(MouseEvent e) {
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112 | if (e.getButton() != MouseEvent.BUTTON1)
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113 | return;
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114 |
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115 | if (adjustingLayer.isVisible()) {
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116 | prevEastNorth=Main.map.mapView.getEastNorth(e.getX(),e.getY());
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117 | Main.map.mapView.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
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118 | }
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119 | }
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120 |
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121 | @Override public void mouseDragged(MouseEvent e) {
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122 | if (adjustingLayer == null || prevEastNorth == null) return;
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123 | EastNorth eastNorth=
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124 | Main.map.mapView.getEastNorth(e.getX(),e.getY());
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125 | adjustingLayer.displace(
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126 | eastNorth.east()-prevEastNorth.east(),
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127 | eastNorth.north()-prevEastNorth.north()
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128 | );
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129 | prevEastNorth = eastNorth;
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130 | Main.map.mapView.repaint();
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131 | }
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132 |
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133 | @Override public void mouseReleased(MouseEvent e) {
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134 | Main.map.mapView.repaint();
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135 | Main.map.mapView.setCursor(Cursor.getDefaultCursor());
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136 | prevEastNorth = null;
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137 | }
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138 |
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139 | private void doKeyEvent(KeyEvent keyEvent) {
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140 | }
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141 |
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142 | private void doKeyReleaseEvent(KeyEvent releaseEvent) {
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143 | if (releaseEvent.getKeyCode() == getShortcut().getKeyStroke().getKeyCode()) {
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144 | if (oldMapMode!=null && !(oldMapMode instanceof ImageryAdjustMapMode))
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145 | Main.map.selectMapMode(oldMapMode);
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146 | }
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147 | }
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148 |
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149 | @Override public boolean layerIsSupported(Layer l) {
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150 | //return hasImageryLayersToAdjust();
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151 | return true;
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152 | }
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153 |
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154 | @Override
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155 | public void eventDispatched(AWTEvent event) {
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156 | if (event instanceof KeyEvent) {
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157 | KeyEvent e=(KeyEvent) event;
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158 |
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159 | if (event.getID() == KeyEvent.KEY_PRESSED) {
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160 | if (timer.isRunning()) {
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161 | timer.stop();
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162 | } else {
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163 | if (set.add((e.getKeyCode()))) doKeyEvent((KeyEvent) event);
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164 | }
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165 | }
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166 | if (event.getID() == KeyEvent.KEY_RELEASED) {
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167 | if (timer.isRunning()) {
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168 | timer.stop();
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169 | if (set.remove(e.getKeyCode())) doKeyReleaseEvent(e);
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170 | } else {
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171 | releaseEvent = e;
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172 | timer.restart();
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173 | }
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174 | }
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175 | }
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176 | }
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177 |
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178 | @Override
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179 | public void mapModeChange(MapMode oldMapMode, MapMode newMapMode) {
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180 | this.oldMapMode = oldMapMode;
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181 | }
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182 |
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183 |
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184 | /**
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185 | * the list cell renderer used to render layer list entries
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186 | *
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187 | */
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188 | static public class LayerListCellRenderer extends DefaultListCellRenderer {
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189 |
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190 | protected boolean isActiveLayer(Layer layer) {
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191 | if (Main.map == null)
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192 | return false;
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193 | if (Main.map.mapView == null)
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194 | return false;
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195 | return Main.map.mapView.getActiveLayer() == layer;
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196 | }
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197 |
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198 | @Override
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199 | public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected,
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200 | boolean cellHasFocus) {
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201 | Layer layer = (Layer) value;
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202 | JLabel label = (JLabel) super.getListCellRendererComponent(list, layer.getName(), index, isSelected,
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203 | cellHasFocus);
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204 | Icon icon = layer.getIcon();
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205 | label.setIcon(icon);
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206 | label.setToolTipText(layer.getToolTipText());
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207 | return label;
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208 | }
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209 | }
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210 |
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211 | /**
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212 | * Prompts the user with a list of WMS layers which can be adjusted
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213 | *
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214 | * @param adjustableLayers the list of adjustable layers
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215 | * @return the selected layer; null, if no layer was selected
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216 | */
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217 | protected Layer askAdjustLayer(List<? extends Layer> adjustableLayers) {
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218 | if (adjustableLayers.size()==0) return null;
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219 | if (adjustableLayers.size()==1) return adjustableLayers.get(0);
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220 | JComboBox layerList = new JComboBox();
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221 | layerList.setRenderer(new LayerListCellRenderer());
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222 | layerList.setModel(new DefaultComboBoxModel(adjustableLayers.toArray()));
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223 | layerList.setSelectedIndex(0);
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224 |
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225 | JPanel pnl = new JPanel();
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226 | pnl.setLayout(new GridBagLayout());
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227 | pnl.add(new JLabel(tr("Please select the imagery layer to adjust.")), GBC.eol());
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228 | pnl.add(layerList, GBC.eol());
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229 |
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230 | ExtendedDialog diag = new ExtendedDialog(
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231 | Main.parent,
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232 | tr("Select imagery layer"),
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233 | new String[] { tr("Start adjusting"),tr("Cancel") }
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234 | );
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235 | diag.setContent(pnl);
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236 | diag.setButtonIcons(new String[] { "mapmode/adjustimg", "cancel" });
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237 | diag.showDialog();
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238 | int decision = diag.getValue();
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239 | if (decision != 1)
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240 | return null;
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241 | Layer adjustLayer = (Layer) layerList.getSelectedItem();
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242 | return adjustLayer;
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243 | }
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244 |
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245 | /**
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246 | * Displays a warning message if there are no imagery layers to adjust
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247 | *
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248 | */
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249 | protected void warnNoImageryLayers() {
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250 | JOptionPane.showMessageDialog(
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251 | Main.parent,
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252 | tr("There are currently no imagery layer to adjust."),
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253 | tr("No layers to adjust"),
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254 | JOptionPane.WARNING_MESSAGE
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255 | );
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256 | }
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257 |
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258 | /**
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259 | * Replies true if there is at least one imagery layer
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260 | *
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261 | * @return true if there is at least one imagery layer
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262 | */
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263 | protected boolean hasImageryLayersToAdjust() {
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264 | if (Main.map == null) return false;
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265 | if (Main.map.mapView == null) return false;
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266 | boolean b = ! Main.map.mapView.getLayersOfType(ImageryLayer.class).isEmpty();
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267 | return b;
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268 | }
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269 |
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270 | @Override
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271 | protected void updateEnabledState() {
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272 |
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273 | setEnabled(hasImageryLayersToAdjust());
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274 | //setEnabled(hasImageryLayersToAdjust());
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275 | }
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276 | }
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