1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.layer.geoimage;
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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.Component;
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8 | import java.awt.Dimension;
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9 | import java.awt.GridBagConstraints;
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10 | import java.awt.GridBagLayout;
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11 | import java.awt.event.ActionEvent;
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12 | import java.awt.event.KeyEvent;
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13 | import java.awt.event.WindowEvent;
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14 | import java.text.DateFormat;
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15 | import java.text.SimpleDateFormat;
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16 |
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17 | import javax.swing.AbstractAction;
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18 | import javax.swing.Box;
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19 | import javax.swing.ImageIcon;
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20 | import javax.swing.JButton;
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21 | import javax.swing.JComponent;
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22 | import javax.swing.JPanel;
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23 | import javax.swing.JToggleButton;
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24 |
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25 | import org.openstreetmap.josm.gui.MainApplication;
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26 | import org.openstreetmap.josm.gui.dialogs.DialogsPanel.Action;
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27 | import org.openstreetmap.josm.gui.dialogs.ToggleDialog;
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28 | import org.openstreetmap.josm.gui.layer.Layer;
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29 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent;
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30 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerChangeListener;
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31 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerOrderChangeEvent;
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32 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerRemoveEvent;
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33 | import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent;
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34 | import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener;
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35 | import org.openstreetmap.josm.tools.ImageProvider;
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36 | import org.openstreetmap.josm.tools.Shortcut;
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37 | import org.openstreetmap.josm.tools.date.DateUtils;
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38 |
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39 | /**
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40 | * Dialog to view and manipulate geo-tagged images from a {@link GeoImageLayer}.
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41 | */
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42 | public final class ImageViewerDialog extends ToggleDialog implements LayerChangeListener, ActiveLayerChangeListener {
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43 |
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44 | private static final String COMMAND_ZOOM = "zoom";
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45 | private static final String COMMAND_CENTERVIEW = "centre";
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46 | private static final String COMMAND_NEXT = "next";
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47 | private static final String COMMAND_REMOVE = "remove";
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48 | private static final String COMMAND_REMOVE_FROM_DISK = "removefromdisk";
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49 | private static final String COMMAND_PREVIOUS = "previous";
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50 | private static final String COMMAND_COLLAPSE = "collapse";
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51 | private static final String COMMAND_FIRST = "first";
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52 | private static final String COMMAND_LAST = "last";
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53 | private static final String COMMAND_COPY_PATH = "copypath";
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54 |
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55 | private final ImageDisplay imgDisplay = new ImageDisplay();
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56 | private boolean centerView;
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57 |
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58 | // Only one instance of that class is present at one time
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59 | private static volatile ImageViewerDialog dialog;
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60 |
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61 | private boolean collapseButtonClicked;
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62 |
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63 | static void newInstance() {
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64 | dialog = new ImageViewerDialog();
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65 | }
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66 |
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67 | /**
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68 | * Replies the unique instance of this dialog
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69 | * @return the unique instance
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70 | */
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71 | public static ImageViewerDialog getInstance() {
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72 | if (dialog == null)
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73 | throw new AssertionError("a new instance needs to be created first");
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74 | return dialog;
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75 | }
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76 |
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77 | private JButton btnNext;
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78 | private JButton btnPrevious;
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79 | private JButton btnCollapse;
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80 | private JToggleButton tbCentre;
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81 |
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82 | private ImageViewerDialog() {
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83 | super(tr("Geotagged Images"), "geoimage", tr("Display geotagged images"), Shortcut.registerShortcut("tools:geotagged",
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84 | tr("Tool: {0}", tr("Display geotagged images")), KeyEvent.VK_Y, Shortcut.DIRECT), 200);
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85 | build();
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86 | MainApplication.getLayerManager().addActiveLayerChangeListener(this);
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87 | MainApplication.getLayerManager().addLayerChangeListener(this);
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88 | }
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89 |
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90 | private void build() {
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91 | JPanel content = new JPanel(new BorderLayout());
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92 |
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93 | content.add(imgDisplay, BorderLayout.CENTER);
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94 |
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95 | Dimension buttonDim = new Dimension(26, 26);
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96 |
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97 | ImageAction prevAction = new ImageAction(COMMAND_PREVIOUS, ImageProvider.get("dialogs", "previous"), tr("Previous"));
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98 | btnPrevious = new JButton(prevAction);
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99 | btnPrevious.setPreferredSize(buttonDim);
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100 | Shortcut scPrev = Shortcut.registerShortcut(
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101 | "geoimage:previous", tr("Geoimage: {0}", tr("Show previous Image")), KeyEvent.VK_PAGE_UP, Shortcut.DIRECT);
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102 | final String previousImage = "Previous Image";
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103 | MainApplication.registerActionShortcut(prevAction, scPrev);
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104 | btnPrevious.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scPrev.getKeyStroke(), previousImage);
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105 | btnPrevious.getActionMap().put(previousImage, prevAction);
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106 | btnPrevious.setEnabled(false);
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107 |
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108 | final String removePhoto = tr("Remove photo from layer");
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109 | ImageAction delAction = new ImageAction(COMMAND_REMOVE, ImageProvider.get("dialogs", "delete"), removePhoto);
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110 | JButton btnDelete = new JButton(delAction);
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111 | btnDelete.setPreferredSize(buttonDim);
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112 | Shortcut scDelete = Shortcut.registerShortcut(
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113 | "geoimage:deleteimagefromlayer", tr("Geoimage: {0}", tr("Remove photo from layer")), KeyEvent.VK_DELETE, Shortcut.SHIFT);
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114 | MainApplication.registerActionShortcut(delAction, scDelete);
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115 | btnDelete.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scDelete.getKeyStroke(), removePhoto);
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116 | btnDelete.getActionMap().put(removePhoto, delAction);
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117 |
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118 | ImageAction delFromDiskAction = new ImageAction(COMMAND_REMOVE_FROM_DISK,
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119 | ImageProvider.get("dialogs", "geoimage/deletefromdisk"), tr("Delete image file from disk"));
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120 | JButton btnDeleteFromDisk = new JButton(delFromDiskAction);
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121 | btnDeleteFromDisk.setPreferredSize(buttonDim);
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122 | Shortcut scDeleteFromDisk = Shortcut.registerShortcut(
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123 | "geoimage:deletefilefromdisk", tr("Geoimage: {0}", tr("Delete File from disk")), KeyEvent.VK_DELETE, Shortcut.CTRL_SHIFT);
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124 | final String deleteImage = "Delete image file from disk";
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125 | MainApplication.registerActionShortcut(delFromDiskAction, scDeleteFromDisk);
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126 | btnDeleteFromDisk.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scDeleteFromDisk.getKeyStroke(), deleteImage);
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127 | btnDeleteFromDisk.getActionMap().put(deleteImage, delFromDiskAction);
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128 |
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129 | ImageAction copyPathAction = new ImageAction(COMMAND_COPY_PATH, ImageProvider.get("copy"), tr("Copy image path"));
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130 | JButton btnCopyPath = new JButton(copyPathAction);
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131 | btnCopyPath.setPreferredSize(buttonDim);
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132 | Shortcut scCopyPath = Shortcut.registerShortcut(
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133 | "geoimage:copypath", tr("Geoimage: {0}", tr("Copy image path")), KeyEvent.VK_C, Shortcut.ALT_CTRL_SHIFT);
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134 | final String copyImage = "Copy image path";
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135 | MainApplication.registerActionShortcut(copyPathAction, scCopyPath);
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136 | btnCopyPath.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scCopyPath.getKeyStroke(), copyImage);
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137 | btnCopyPath.getActionMap().put(copyImage, copyPathAction);
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138 |
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139 | ImageAction nextAction = new ImageAction(COMMAND_NEXT, ImageProvider.get("dialogs", "next"), tr("Next"));
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140 | btnNext = new JButton(nextAction);
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141 | btnNext.setPreferredSize(buttonDim);
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142 | Shortcut scNext = Shortcut.registerShortcut(
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143 | "geoimage:next", tr("Geoimage: {0}", tr("Show next Image")), KeyEvent.VK_PAGE_DOWN, Shortcut.DIRECT);
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144 | final String nextImage = "Next Image";
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145 | MainApplication.registerActionShortcut(nextAction, scNext);
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146 | btnNext.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scNext.getKeyStroke(), nextImage);
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147 | btnNext.getActionMap().put(nextImage, nextAction);
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148 | btnNext.setEnabled(false);
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149 |
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150 | MainApplication.registerActionShortcut(
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151 | new ImageAction(COMMAND_FIRST, null, null),
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152 | Shortcut.registerShortcut(
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153 | "geoimage:first", tr("Geoimage: {0}", tr("Show first Image")), KeyEvent.VK_HOME, Shortcut.DIRECT)
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154 | );
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155 | MainApplication.registerActionShortcut(
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156 | new ImageAction(COMMAND_LAST, null, null),
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157 | Shortcut.registerShortcut(
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158 | "geoimage:last", tr("Geoimage: {0}", tr("Show last Image")), KeyEvent.VK_END, Shortcut.DIRECT)
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159 | );
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160 |
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161 | tbCentre = new JToggleButton(new ImageAction(COMMAND_CENTERVIEW,
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162 | ImageProvider.get("dialogs", "centreview"), tr("Center view")));
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163 | tbCentre.setPreferredSize(buttonDim);
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164 |
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165 | JButton btnZoomBestFit = new JButton(new ImageAction(COMMAND_ZOOM,
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166 | ImageProvider.get("dialogs", "zoom-best-fit"), tr("Zoom best fit and 1:1")));
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167 | btnZoomBestFit.setPreferredSize(buttonDim);
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168 |
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169 | btnCollapse = new JButton(new ImageAction(COMMAND_COLLAPSE,
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170 | ImageProvider.get("dialogs", "collapse"), tr("Move dialog to the side pane")));
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171 | btnCollapse.setPreferredSize(new Dimension(20, 20));
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172 | btnCollapse.setAlignmentY(Component.TOP_ALIGNMENT);
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173 |
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174 | JPanel buttons = new JPanel();
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175 | buttons.add(btnPrevious);
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176 | buttons.add(btnNext);
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177 | buttons.add(Box.createRigidArea(new Dimension(7, 0)));
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178 | buttons.add(tbCentre);
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179 | buttons.add(btnZoomBestFit);
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180 | buttons.add(Box.createRigidArea(new Dimension(7, 0)));
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181 | buttons.add(btnDelete);
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182 | buttons.add(btnDeleteFromDisk);
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183 | buttons.add(Box.createRigidArea(new Dimension(7, 0)));
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184 | buttons.add(btnCopyPath);
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185 |
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186 | JPanel bottomPane = new JPanel(new GridBagLayout());
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187 | GridBagConstraints gc = new GridBagConstraints();
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188 | gc.gridx = 0;
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189 | gc.gridy = 0;
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190 | gc.anchor = GridBagConstraints.CENTER;
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191 | gc.weightx = 1;
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192 | bottomPane.add(buttons, gc);
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193 |
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194 | gc.gridx = 1;
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195 | gc.gridy = 0;
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196 | gc.anchor = GridBagConstraints.PAGE_END;
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197 | gc.weightx = 0;
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198 | bottomPane.add(btnCollapse, gc);
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199 |
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200 | content.add(bottomPane, BorderLayout.SOUTH);
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201 |
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202 | createLayout(content, false, null);
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203 | }
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204 |
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205 | @Override
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206 | public void destroy() {
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207 | MainApplication.getLayerManager().removeActiveLayerChangeListener(this);
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208 | MainApplication.getLayerManager().removeLayerChangeListener(this);
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209 | super.destroy();
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210 | }
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211 |
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212 | class ImageAction extends AbstractAction {
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213 | private final String action;
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214 |
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215 | ImageAction(String action, ImageIcon icon, String toolTipText) {
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216 | this.action = action;
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217 | putValue(SHORT_DESCRIPTION, toolTipText);
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218 | putValue(SMALL_ICON, icon);
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219 | }
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220 |
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221 | @Override
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222 | public void actionPerformed(ActionEvent e) {
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223 | if (COMMAND_NEXT.equals(action)) {
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224 | if (currentLayer != null) {
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225 | currentLayer.showNextPhoto();
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226 | }
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227 | } else if (COMMAND_PREVIOUS.equals(action)) {
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228 | if (currentLayer != null) {
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229 | currentLayer.showPreviousPhoto();
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230 | }
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231 | } else if (COMMAND_FIRST.equals(action) && currentLayer != null) {
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232 | currentLayer.showFirstPhoto();
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233 | } else if (COMMAND_LAST.equals(action) && currentLayer != null) {
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234 | currentLayer.showLastPhoto();
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235 | } else if (COMMAND_CENTERVIEW.equals(action)) {
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236 | final JToggleButton button = (JToggleButton) e.getSource();
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237 | centerView = button.isEnabled() && button.isSelected();
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238 | if (centerView && currentEntry != null && currentEntry.getPos() != null) {
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239 | MainApplication.getMap().mapView.zoomTo(currentEntry.getPos());
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240 | }
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241 | } else if (COMMAND_ZOOM.equals(action)) {
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242 | imgDisplay.zoomBestFitOrOne();
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243 | } else if (COMMAND_REMOVE.equals(action)) {
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244 | if (currentLayer != null) {
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245 | currentLayer.removeCurrentPhoto();
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246 | }
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247 | } else if (COMMAND_REMOVE_FROM_DISK.equals(action)) {
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248 | if (currentLayer != null) {
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249 | currentLayer.removeCurrentPhotoFromDisk();
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250 | }
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251 | } else if (COMMAND_COPY_PATH.equals(action)) {
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252 | if (currentLayer != null) {
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253 | currentLayer.copyCurrentPhotoPath();
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254 | }
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255 | } else if (COMMAND_COLLAPSE.equals(action)) {
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256 | collapseButtonClicked = true;
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257 | detachedDialog.getToolkit().getSystemEventQueue().postEvent(new WindowEvent(detachedDialog, WindowEvent.WINDOW_CLOSING));
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258 | }
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259 | }
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260 | }
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261 |
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262 | public static void showImage(GeoImageLayer layer, ImageEntry entry) {
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263 | getInstance().displayImage(layer, entry);
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264 | if (layer != null) {
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265 | layer.checkPreviousNextButtons();
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266 | } else {
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267 | setPreviousEnabled(false);
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268 | setNextEnabled(false);
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269 | }
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270 | }
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271 |
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272 | /**
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273 | * Enables (or disables) the "Previous" button.
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274 | * @param value {@code true} to enable the button, {@code false} otherwise
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275 | */
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276 | public static void setPreviousEnabled(boolean value) {
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277 | getInstance().btnPrevious.setEnabled(value);
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278 | }
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279 |
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280 | /**
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281 | * Enables (or disables) the "Next" button.
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282 | * @param value {@code true} to enable the button, {@code false} otherwise
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283 | */
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284 | public static void setNextEnabled(boolean value) {
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285 | getInstance().btnNext.setEnabled(value);
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286 | }
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287 |
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288 | /**
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289 | * Enables (or disables) the "Center view" button.
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290 | * @param value {@code true} to enable the button, {@code false} otherwise
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291 | * @return the old enabled value. Can be used to restore the original enable state
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292 | */
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293 | public static synchronized boolean setCentreEnabled(boolean value) {
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294 | final ImageViewerDialog instance = getInstance();
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295 | final boolean wasEnabled = instance.tbCentre.isEnabled();
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296 | instance.tbCentre.setEnabled(value);
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297 | instance.tbCentre.getAction().actionPerformed(new ActionEvent(instance.tbCentre, 0, null));
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298 | return wasEnabled;
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299 | }
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300 |
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301 | private transient GeoImageLayer currentLayer;
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302 | private transient ImageEntry currentEntry;
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303 |
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304 | public void displayImage(GeoImageLayer layer, ImageEntry entry) {
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305 | boolean imageChanged;
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306 |
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307 | synchronized (this) {
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308 | // TODO: pop up image dialog but don't load image again
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309 |
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310 | imageChanged = currentEntry != entry;
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311 |
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312 | if (centerView && entry != null && MainApplication.isDisplayingMapView() && entry.getPos() != null) {
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313 | MainApplication.getMap().mapView.zoomTo(entry.getPos());
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314 | }
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315 |
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316 | currentLayer = layer;
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317 | currentEntry = entry;
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318 | }
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319 |
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320 | if (entry != null) {
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321 | if (imageChanged) {
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322 | // Set only if the image is new to preserve zoom and position if the same image is redisplayed
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323 | // (e.g. to update the OSD).
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324 | imgDisplay.setImage(entry.getFile(), entry.getExifOrientation());
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325 | }
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326 | setTitle(tr("Geotagged Images") + (entry.getFile() != null ? " - " + entry.getFile().getName() : ""));
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327 | StringBuilder osd = new StringBuilder(entry.getFile() != null ? entry.getFile().getName() : "");
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328 | if (entry.getElevation() != null) {
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329 | osd.append(tr("\nAltitude: {0} m", Math.round(entry.getElevation())));
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330 | }
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331 | if (entry.getSpeed() != null) {
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332 | osd.append(tr("\nSpeed: {0} km/h", Math.round(entry.getSpeed())));
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333 | }
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334 | if (entry.getExifImgDir() != null) {
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335 | osd.append(tr("\nDirection {0}\u00b0", Math.round(entry.getExifImgDir())));
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336 | }
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337 | DateFormat dtf = DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
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338 | // Make sure date/time format includes milliseconds
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339 | if (dtf instanceof SimpleDateFormat) {
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340 | String pattern = ((SimpleDateFormat) dtf).toPattern();
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341 | if (!pattern.contains(".SSS")) {
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342 | dtf = new SimpleDateFormat(pattern.replace(":ss", ":ss.SSS"));
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343 | }
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344 | }
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345 | if (entry.hasExifTime()) {
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346 | osd.append(tr("\nEXIF time: {0}", dtf.format(entry.getExifTime())));
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347 | }
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348 | if (entry.hasGpsTime()) {
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349 | osd.append(tr("\nGPS time: {0}", dtf.format(entry.getGpsTime())));
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350 | }
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351 |
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352 | imgDisplay.setOsdText(osd.toString());
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353 | } else {
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354 | // if this method is called to reinitialize dialog content with a blank image,
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355 | // do not actually show the dialog again with a blank image if currently hidden (fix #10672)
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356 | setTitle(tr("Geotagged Images"));
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357 | imgDisplay.setImage(null, null);
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358 | imgDisplay.setOsdText("");
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359 | return;
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360 | }
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361 | if (!isDialogShowing()) {
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362 | setIsDocked(false); // always open a detached window when an image is clicked and dialog is closed
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363 | showDialog();
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364 | } else {
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365 | if (isDocked && isCollapsed) {
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366 | expand();
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367 | dialogsPanel.reconstruct(Action.COLLAPSED_TO_DEFAULT, this);
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368 | }
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369 | }
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370 | }
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371 |
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372 | /**
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373 | * When an image is closed, really close it and do not pop
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374 | * up the side dialog.
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375 | */
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376 | @Override
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377 | protected boolean dockWhenClosingDetachedDlg() {
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378 | if (collapseButtonClicked) {
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379 | collapseButtonClicked = false;
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380 | return true;
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381 | }
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382 | return false;
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383 | }
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384 |
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385 | @Override
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386 | protected void stateChanged() {
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387 | super.stateChanged();
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388 | if (btnCollapse != null) {
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389 | btnCollapse.setVisible(!isDocked);
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390 | }
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391 | }
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392 |
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393 | /**
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394 | * Returns whether an image is currently displayed
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395 | * @return If image is currently displayed
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396 | */
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397 | public boolean hasImage() {
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398 | return currentEntry != null;
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399 | }
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400 |
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401 | /**
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402 | * Returns the currently displayed image.
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403 | * @return Currently displayed image or {@code null}
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404 | * @since 6392
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405 | */
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406 | public static ImageEntry getCurrentImage() {
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407 | return getInstance().currentEntry;
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408 | }
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409 |
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410 | /**
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411 | * Returns the layer associated with the image.
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412 | * @return Layer associated with the image
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413 | * @since 6392
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414 | */
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415 | public static GeoImageLayer getCurrentLayer() {
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416 | return getInstance().currentLayer;
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417 | }
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418 |
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419 | /**
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420 | * Returns whether the center view is currently active.
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421 | * @return {@code true} if the center view is active, {@code false} otherwise
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422 | * @since 9416
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423 | */
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424 | public static boolean isCenterView() {
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425 | return getInstance().centerView;
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426 | }
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427 |
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428 | @Override
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429 | public void layerAdded(LayerAddEvent e) {
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430 | showLayer(e.getAddedLayer());
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431 | }
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432 |
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433 | @Override
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434 | public void layerRemoving(LayerRemoveEvent e) {
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435 | // Clear current image and layer if current layer is deleted
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436 | if (currentLayer != null && currentLayer.equals(e.getRemovedLayer())) {
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437 | showImage(null, null);
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438 | }
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439 | // Check buttons state in case of layer merging
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440 | if (currentLayer != null && e.getRemovedLayer() instanceof GeoImageLayer) {
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441 | currentLayer.checkPreviousNextButtons();
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442 | }
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443 | }
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444 |
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445 | @Override
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446 | public void layerOrderChanged(LayerOrderChangeEvent e) {
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447 | // ignored
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448 | }
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449 |
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450 | @Override
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451 | public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
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452 | showLayer(e.getSource().getActiveLayer());
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453 | }
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454 |
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455 | private void showLayer(Layer newLayer) {
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456 | if (currentLayer == null && newLayer instanceof GeoImageLayer) {
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457 | ((GeoImageLayer) newLayer).showFirstPhoto();
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458 | }
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459 | }
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460 |
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461 | }
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