1 | // License: GPL. See LICENSE file for details.
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2 | // Copyright 2007 by Christian Gallioz (aka khris78)
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3 | // Parts of code from Geotagged plugin (by Rob Neild)
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4 | // and the core JOSM source code (by Immanuel Scholz and others)
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5 |
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6 | package org.openstreetmap.josm.gui.layer.geoimage;
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7 |
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8 | import static org.openstreetmap.josm.tools.I18n.tr;
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9 |
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10 | import java.awt.BorderLayout;
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11 | import java.awt.Dimension;
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12 | import java.awt.FlowLayout;
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13 | import java.awt.event.ActionEvent;
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14 | import java.awt.event.ActionListener;
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15 | import java.awt.event.KeyEvent;
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16 |
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17 | import javax.swing.JButton;
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18 | import javax.swing.JPanel;
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19 | import javax.swing.JToggleButton;
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20 |
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21 | import org.openstreetmap.josm.Main;
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22 | import org.openstreetmap.josm.gui.dialogs.ToggleDialog;
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23 | import org.openstreetmap.josm.gui.dialogs.DialogsPanel.Action;
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24 | import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer.ImageEntry;
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25 | import org.openstreetmap.josm.tools.ImageProvider;
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26 | import org.openstreetmap.josm.tools.Shortcut;
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27 |
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28 | public class ImageViewerDialog extends ToggleDialog implements ActionListener {
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29 |
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30 | private static final String COMMAND_ZOOM = "zoom";
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31 | private static final String COMMAND_CENTERVIEW = "centre";
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32 | private static final String COMMAND_NEXT = "next";
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33 | private static final String COMMAND_REMOVE = "remove";
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34 | private static final String COMMAND_PREVIOUS = "previous";
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35 |
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36 | private ImageDisplay imgDisplay = new ImageDisplay();
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37 | private boolean centerView = false;
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38 |
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39 | // Only one instance of that class
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40 | static private ImageViewerDialog INSTANCE = null;
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41 |
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42 | public static ImageViewerDialog getInstance() {
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43 | if (INSTANCE == null) {
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44 | INSTANCE = new ImageViewerDialog();
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45 | }
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46 | return INSTANCE;
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47 | }
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48 |
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49 | private JButton btnNext;
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50 | private JButton btnPrevious;
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51 |
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52 | private ImageViewerDialog() {
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53 | super(tr("Geotagged Images"), "geoimage", tr("Display geotagged images"), Shortcut.registerShortcut("tools:geotagged", tr("Tool: {0}", tr("Display geotagged images")), KeyEvent.VK_Y, Shortcut.GROUP_EDIT), 200);
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54 |
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55 | /* Don't show a detached dialog right from the start. */
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56 | if (isShowing && !isDocked) {
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57 | setIsShowing(false);
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58 | }
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59 |
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60 | if (INSTANCE != null) {
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61 | throw new IllegalStateException("Image viewer dialog should not be instanciated twice !");
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62 | }
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63 |
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64 | INSTANCE = this;
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65 |
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66 | JPanel content = new JPanel();
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67 | content.setLayout(new BorderLayout());
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68 |
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69 | content.add(imgDisplay, BorderLayout.CENTER);
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70 |
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71 | JPanel buttons = new JPanel();
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72 | buttons.setLayout(new FlowLayout());
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73 |
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74 | JButton button;
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75 |
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76 | Dimension buttonDim = new Dimension(26,26);
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77 | button = new JButton();
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78 | button.setIcon(ImageProvider.get("dialogs", "previous"));
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79 | button.setActionCommand(COMMAND_PREVIOUS);
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80 | button.setToolTipText(tr("Previous"));
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81 | button.addActionListener(this);
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82 | button.setPreferredSize(buttonDim);
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83 | buttons.add(button);
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84 | btnPrevious = button; //FIX
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85 |
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86 | button = new JButton();
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87 | button.setIcon(ImageProvider.get("dialogs", "delete"));
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88 | button.setActionCommand(COMMAND_REMOVE);
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89 | button.setToolTipText(tr("Remove photo from layer"));
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90 | button.addActionListener(this);
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91 | button.setPreferredSize(buttonDim);
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92 | buttons.add(button);
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93 |
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94 | button = new JButton();
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95 | button.setIcon(ImageProvider.get("dialogs", "next"));
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96 | button.setActionCommand(COMMAND_NEXT);
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97 | button.setToolTipText(tr("Next"));
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98 | button.addActionListener(this);
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99 | button.setPreferredSize(buttonDim);
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100 | buttons.add(button);
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101 | btnNext = button;
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102 |
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103 | JToggleButton tb = new JToggleButton();
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104 | tb.setIcon(ImageProvider.get("dialogs", "centreview"));
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105 | tb.setActionCommand(COMMAND_CENTERVIEW);
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106 | tb.setToolTipText(tr("Center view"));
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107 | tb.addActionListener(this);
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108 | tb.setPreferredSize(buttonDim);
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109 | buttons.add(tb);
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110 |
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111 | button = new JButton();
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112 | button.setIcon(ImageProvider.get("dialogs", "zoom-best-fit"));
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113 | button.setActionCommand(COMMAND_ZOOM);
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114 | button.setToolTipText(tr("Zoom best fit and 1:1"));
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115 | button.addActionListener(this);
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116 | button.setPreferredSize(buttonDim);
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117 | buttons.add(button);
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118 |
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119 | content.add(buttons, BorderLayout.SOUTH);
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120 |
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121 | add(content, BorderLayout.CENTER);
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122 |
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123 | }
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124 |
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125 | public void actionPerformed(ActionEvent e) {
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126 | if (COMMAND_NEXT.equals(e.getActionCommand())) {
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127 | if (currentLayer != null) {
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128 | currentLayer.showNextPhoto();
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129 | }
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130 | } else if (COMMAND_PREVIOUS.equals(e.getActionCommand())) {
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131 | if (currentLayer != null) {
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132 | currentLayer.showPreviousPhoto();
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133 | }
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134 |
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135 | } else if (COMMAND_CENTERVIEW.equals(e.getActionCommand())) {
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136 | centerView = ((JToggleButton) e.getSource()).isSelected();
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137 | if (centerView && currentEntry != null && currentEntry.pos != null) {
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138 | Main.map.mapView.zoomTo(currentEntry.pos);
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139 | }
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140 |
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141 | } else if (COMMAND_ZOOM.equals(e.getActionCommand())) {
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142 | imgDisplay.zoomBestFitOrOne();
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143 |
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144 | } else if (COMMAND_REMOVE.equals(e.getActionCommand())) {
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145 | if (currentLayer != null) {
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146 | currentLayer.removeCurrentPhoto();
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147 | }
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148 | }
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149 |
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150 | }
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151 |
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152 | public static void showImage(GeoImageLayer layer, ImageEntry entry) {
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153 | getInstance().displayImage(layer, entry);
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154 | layer.checkPreviousNextButtons();
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155 | }
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156 | public static void setPreviousEnabled(Boolean value) {
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157 | getInstance().btnPrevious.setEnabled(value);
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158 | }
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159 | public static void setNextEnabled(Boolean value) {
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160 | getInstance().btnNext.setEnabled(value);
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161 | }
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162 |
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163 |
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164 | private GeoImageLayer currentLayer = null;
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165 | private ImageEntry currentEntry = null;
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166 |
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167 | public void displayImage(GeoImageLayer layer, ImageEntry entry) {
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168 | synchronized(this) {
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169 | if (currentLayer == layer && currentEntry == entry) {
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170 | repaint();
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171 | return;
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172 | }
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173 |
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174 | if (centerView && Main.map != null && entry != null && entry.pos != null) {
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175 | Main.map.mapView.zoomTo(entry.pos);
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176 | }
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177 |
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178 | currentLayer = layer;
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179 | currentEntry = entry;
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180 | }
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181 |
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182 | if (entry != null) {
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183 | imgDisplay.setImage(entry.file);
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184 | StringBuffer osd = new StringBuffer(entry.file != null ? entry.file.getName() : "");
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185 | if (entry.elevation != null) {
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186 | osd.append(tr("\nAltitude: {0} m", entry.elevation.longValue()));
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187 | }
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188 | if (entry.speed != null) {
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189 | osd.append(tr("\n{0} km/h", Math.round(entry.speed)));
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190 | }
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191 | imgDisplay.setOsdText(osd.toString());
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192 | } else {
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193 | imgDisplay.setImage(null);
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194 | imgDisplay.setOsdText("");
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195 | }
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196 | if (! isDialogShowing()) {
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197 | setIsDocked(false); // always open a detached window when an image is clicked and dialog is closed
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198 | showDialog();
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199 | } else {
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200 | if (isDocked && isCollapsed) {
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201 | expand();
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202 | dialogsPanel.reconstruct(Action.COLLAPSED_TO_DEFAULT, this);
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203 | }
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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 | /**
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209 | * When pressing the Toggle button always show the docked dialog.
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210 | */
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211 | @Override
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212 | protected void toggleButtonHook() {
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213 | if (! isShowing) {
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214 | setIsDocked(true);
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215 | setIsCollapsed(false);
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216 | }
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217 | }
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218 |
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219 | /**
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220 | * When an image is closed, really close it and do not pop
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221 | * up the side dialog.
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222 | */
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223 | @Override
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224 | protected boolean dockWhenClosingDetachedDlg() {
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225 | return false;
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226 | }
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227 |
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228 | /**
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229 | * Returns whether an image is currently displayed
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230 | * @return If image is currently displayed
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231 | */
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232 | public boolean hasImage() {
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233 | return currentEntry != null;
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234 | }
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235 | }
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