001// License: GPL. See LICENSE file for details. 002package org.openstreetmap.josm.gui.layer.geoimage; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.awt.BorderLayout; 007import java.awt.Component; 008import java.awt.Dimension; 009import java.awt.GridBagConstraints; 010import java.awt.GridBagLayout; 011import java.awt.event.ActionEvent; 012import java.awt.event.KeyEvent; 013import java.awt.event.WindowEvent; 014import java.text.DateFormat; 015 016import javax.swing.AbstractAction; 017import javax.swing.Box; 018import javax.swing.ImageIcon; 019import javax.swing.JButton; 020import javax.swing.JComponent; 021import javax.swing.JPanel; 022import javax.swing.JToggleButton; 023 024import org.openstreetmap.josm.Main; 025import org.openstreetmap.josm.gui.dialogs.DialogsPanel.Action; 026import org.openstreetmap.josm.gui.dialogs.ToggleDialog; 027import org.openstreetmap.josm.tools.ImageProvider; 028import org.openstreetmap.josm.tools.Shortcut; 029import org.openstreetmap.josm.tools.date.DateUtils; 030 031public final class ImageViewerDialog extends ToggleDialog { 032 033 private static final String COMMAND_ZOOM = "zoom"; 034 private static final String COMMAND_CENTERVIEW = "centre"; 035 private static final String COMMAND_NEXT = "next"; 036 private static final String COMMAND_REMOVE = "remove"; 037 private static final String COMMAND_REMOVE_FROM_DISK = "removefromdisk"; 038 private static final String COMMAND_PREVIOUS = "previous"; 039 private static final String COMMAND_COLLAPSE = "collapse"; 040 private static final String COMMAND_FIRST = "first"; 041 private static final String COMMAND_LAST = "last"; 042 043 private ImageDisplay imgDisplay = new ImageDisplay(); 044 private boolean centerView = false; 045 046 // Only one instance of that class is present at one time 047 private static ImageViewerDialog dialog; 048 049 private boolean collapseButtonClicked = false; 050 051 static void newInstance() { 052 dialog = new ImageViewerDialog(); 053 } 054 055 public static ImageViewerDialog getInstance() { 056 if (dialog == null) 057 throw new AssertionError("a new instance needs to be created first"); 058 return dialog; 059 } 060 061 private JButton btnNext; 062 private JButton btnPrevious; 063 private JButton btnCollapse; 064 065 private ImageViewerDialog() { 066 super(tr("Geotagged Images"), "geoimage", tr("Display geotagged images"), Shortcut.registerShortcut("tools:geotagged", 067 tr("Tool: {0}", tr("Display geotagged images")), KeyEvent.VK_Y, Shortcut.DIRECT), 200); 068 069 // Don't show a detached dialog right from the start. 070 if (isShowing && !isDocked) { 071 setIsShowing(false); 072 } 073 074 JPanel content = new JPanel(); 075 content.setLayout(new BorderLayout()); 076 077 content.add(imgDisplay, BorderLayout.CENTER); 078 079 Dimension buttonDim = new Dimension(26,26); 080 081 ImageAction prevAction = new ImageAction(COMMAND_PREVIOUS, ImageProvider.get("dialogs", "previous"), tr("Previous")); 082 btnPrevious = new JButton(prevAction); 083 btnPrevious.setPreferredSize(buttonDim); 084 Shortcut scPrev = Shortcut.registerShortcut( 085 "geoimage:previous", tr("Geoimage: {0}", tr("Show previous Image")), KeyEvent.VK_PAGE_UP, Shortcut.DIRECT); 086 final String APREVIOUS = "Previous Image"; 087 Main.registerActionShortcut(prevAction, scPrev); 088 btnPrevious.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scPrev.getKeyStroke(), APREVIOUS); 089 btnPrevious.getActionMap().put(APREVIOUS, prevAction); 090 091 final String DELETE_TEXT = tr("Remove photo from layer"); 092 ImageAction delAction = new ImageAction(COMMAND_REMOVE, ImageProvider.get("dialogs", "delete"), DELETE_TEXT); 093 JButton btnDelete = new JButton(delAction); 094 btnDelete.setPreferredSize(buttonDim); 095 Shortcut scDelete = Shortcut.registerShortcut( 096 "geoimage:deleteimagefromlayer", tr("Geoimage: {0}", tr("Remove photo from layer")), KeyEvent.VK_DELETE, Shortcut.SHIFT); 097 Main.registerActionShortcut(delAction, scDelete); 098 btnDelete.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scDelete.getKeyStroke(), DELETE_TEXT); 099 btnDelete.getActionMap().put(DELETE_TEXT, delAction); 100 101 ImageAction delFromDiskAction = new ImageAction(COMMAND_REMOVE_FROM_DISK, ImageProvider.get("dialogs", "geoimage/deletefromdisk"), tr("Delete image file from disk")); 102 JButton btnDeleteFromDisk = new JButton(delFromDiskAction); 103 btnDeleteFromDisk.setPreferredSize(buttonDim); 104 Shortcut scDeleteFromDisk = Shortcut.registerShortcut( 105 "geoimage:deletefilefromdisk", tr("Geoimage: {0}", tr("Delete File from disk")), KeyEvent.VK_DELETE, Shortcut.CTRL_SHIFT); 106 final String ADELFROMDISK = "Delete image file from disk"; 107 Main.registerActionShortcut(delFromDiskAction, scDeleteFromDisk); 108 btnDeleteFromDisk.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scDeleteFromDisk.getKeyStroke(), ADELFROMDISK); 109 btnDeleteFromDisk.getActionMap().put(ADELFROMDISK, delFromDiskAction); 110 111 ImageAction nextAction = new ImageAction(COMMAND_NEXT, ImageProvider.get("dialogs", "next"), tr("Next")); 112 btnNext = new JButton(nextAction); 113 btnNext.setPreferredSize(buttonDim); 114 Shortcut scNext = Shortcut.registerShortcut( 115 "geoimage:next", tr("Geoimage: {0}", tr("Show next Image")), KeyEvent.VK_PAGE_DOWN, Shortcut.DIRECT); 116 final String ANEXT = "Next Image"; 117 Main.registerActionShortcut(nextAction, scNext); 118 btnNext.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scNext.getKeyStroke(), ANEXT); 119 btnNext.getActionMap().put(ANEXT, nextAction); 120 121 Main.registerActionShortcut( 122 new ImageAction(COMMAND_FIRST, null, null), 123 Shortcut.registerShortcut( 124 "geoimage:first", tr("Geoimage: {0}", tr("Show first Image")), KeyEvent.VK_HOME, Shortcut.DIRECT) 125 ); 126 Main.registerActionShortcut( 127 new ImageAction(COMMAND_LAST, null, null), 128 Shortcut.registerShortcut( 129 "geoimage:last", tr("Geoimage: {0}", tr("Show last Image")), KeyEvent.VK_END, Shortcut.DIRECT) 130 ); 131 132 JToggleButton tbCentre = new JToggleButton(new ImageAction(COMMAND_CENTERVIEW, ImageProvider.get("dialogs", "centreview"), tr("Center view"))); 133 tbCentre.setPreferredSize(buttonDim); 134 135 JButton btnZoomBestFit = new JButton(new ImageAction(COMMAND_ZOOM, ImageProvider.get("dialogs", "zoom-best-fit"), tr("Zoom best fit and 1:1"))); 136 btnZoomBestFit.setPreferredSize(buttonDim); 137 138 btnCollapse = new JButton(new ImageAction(COMMAND_COLLAPSE, ImageProvider.get("dialogs", "collapse"), tr("Move dialog to the side pane"))); 139 btnCollapse.setPreferredSize(new Dimension(20,20)); 140 btnCollapse.setAlignmentY(Component.TOP_ALIGNMENT); 141 142 JPanel buttons = new JPanel(); 143 buttons.add(btnPrevious); 144 buttons.add(btnNext); 145 buttons.add(Box.createRigidArea(new Dimension(14, 0))); 146 buttons.add(tbCentre); 147 buttons.add(btnZoomBestFit); 148 buttons.add(Box.createRigidArea(new Dimension(14, 0))); 149 buttons.add(btnDelete); 150 buttons.add(btnDeleteFromDisk); 151 152 JPanel bottomPane = new JPanel(); 153 bottomPane.setLayout(new GridBagLayout()); 154 GridBagConstraints gc = new GridBagConstraints(); 155 gc.gridx = 0; 156 gc.gridy = 0; 157 gc.anchor = GridBagConstraints.CENTER; 158 gc.weightx = 1; 159 bottomPane.add(buttons, gc); 160 161 gc.gridx = 1; 162 gc.gridy = 0; 163 gc.anchor = GridBagConstraints.PAGE_END; 164 gc.weightx = 0; 165 bottomPane.add(btnCollapse, gc); 166 167 content.add(bottomPane, BorderLayout.SOUTH); 168 169 add(content, BorderLayout.CENTER); 170 } 171 172 class ImageAction extends AbstractAction { 173 private final String action; 174 public ImageAction(String action, ImageIcon icon, String toolTipText) { 175 this.action = action; 176 putValue(SHORT_DESCRIPTION, toolTipText); 177 putValue(SMALL_ICON, icon); 178 } 179 180 @Override 181 public void actionPerformed(ActionEvent e) { 182 if (COMMAND_NEXT.equals(action)) { 183 if (currentLayer != null) { 184 currentLayer.showNextPhoto(); 185 } 186 } else if (COMMAND_PREVIOUS.equals(action)) { 187 if (currentLayer != null) { 188 currentLayer.showPreviousPhoto(); 189 } 190 } else if (COMMAND_FIRST.equals(action) && currentLayer != null) { 191 currentLayer.showFirstPhoto(); 192 } else if (COMMAND_LAST.equals(action) && currentLayer != null) { 193 currentLayer.showLastPhoto(); 194 195 } else if (COMMAND_CENTERVIEW.equals(action)) { 196 centerView = ((JToggleButton) e.getSource()).isSelected(); 197 if (centerView && currentEntry != null && currentEntry.getPos() != null) { 198 Main.map.mapView.zoomTo(currentEntry.getPos()); 199 } 200 201 } else if (COMMAND_ZOOM.equals(action)) { 202 imgDisplay.zoomBestFitOrOne(); 203 204 } else if (COMMAND_REMOVE.equals(action)) { 205 if (currentLayer != null) { 206 currentLayer.removeCurrentPhoto(); 207 } 208 } else if (COMMAND_REMOVE_FROM_DISK.equals(action)) { 209 if (currentLayer != null) { 210 currentLayer.removeCurrentPhotoFromDisk(); 211 } 212 } else if (COMMAND_COLLAPSE.equals(action)) { 213 collapseButtonClicked = true; 214 detachedDialog.getToolkit().getSystemEventQueue().postEvent(new WindowEvent(detachedDialog, WindowEvent.WINDOW_CLOSING)); 215 } 216 } 217 } 218 219 public static void showImage(GeoImageLayer layer, ImageEntry entry) { 220 getInstance().displayImage(layer, entry); 221 layer.checkPreviousNextButtons(); 222 } 223 public static void setPreviousEnabled(Boolean value) { 224 getInstance().btnPrevious.setEnabled(value); 225 } 226 public static void setNextEnabled(Boolean value) { 227 getInstance().btnNext.setEnabled(value); 228 } 229 230 private GeoImageLayer currentLayer = null; 231 private ImageEntry currentEntry = null; 232 233 public void displayImage(GeoImageLayer layer, ImageEntry entry) { 234 boolean imageChanged; 235 236 synchronized(this) { 237 // TODO: pop up image dialog but don't load image again 238 239 imageChanged = currentEntry != entry; 240 241 if (centerView && Main.isDisplayingMapView() && entry != null && entry.getPos() != null) { 242 Main.map.mapView.zoomTo(entry.getPos()); 243 } 244 245 currentLayer = layer; 246 currentEntry = entry; 247 } 248 249 if (entry != null) { 250 if (imageChanged) { 251 // Set only if the image is new to preserve zoom and position if the same image is redisplayed 252 // (e.g. to update the OSD). 253 imgDisplay.setImage(entry.getFile(), entry.getExifOrientation()); 254 } 255 setTitle("Geotagged Images" + (entry.getFile() != null ? " - " + entry.getFile().getName() : "")); 256 StringBuilder osd = new StringBuilder(entry.getFile() != null ? entry.getFile().getName() : ""); 257 if (entry.getElevation() != null) { 258 osd.append(tr("\nAltitude: {0} m", entry.getElevation().longValue())); 259 } 260 if (entry.getSpeed() != null) { 261 osd.append(tr("\n{0} km/h", Math.round(entry.getSpeed()))); 262 } 263 if (entry.getExifImgDir() != null) { 264 osd.append(tr("\nDirection {0}\u00b0", Math.round(entry.getExifImgDir()))); 265 } 266 DateFormat dtf = DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM); 267 if (entry.hasExifTime()) { 268 osd.append(tr("\nEXIF time: {0}", dtf.format(entry.getExifTime()))); 269 } 270 if (entry.hasGpsTime()) { 271 osd.append(tr("\nGPS time: {0}", dtf.format(entry.getGpsTime()))); 272 } 273 274 imgDisplay.setOsdText(osd.toString()); 275 } else { 276 imgDisplay.setImage(null, null); 277 imgDisplay.setOsdText(""); 278 } 279 if (! isDialogShowing()) { 280 setIsDocked(false); // always open a detached window when an image is clicked and dialog is closed 281 showDialog(); 282 } else { 283 if (isDocked && isCollapsed) { 284 expand(); 285 dialogsPanel.reconstruct(Action.COLLAPSED_TO_DEFAULT, this); 286 } 287 } 288 289 } 290 291 /** 292 * When pressing the Toggle button always show the docked dialog. 293 */ 294 @Override 295 protected void toggleButtonHook() { 296 if (! isShowing) { 297 setIsDocked(true); 298 setIsCollapsed(false); 299 } 300 } 301 302 /** 303 * When an image is closed, really close it and do not pop 304 * up the side dialog. 305 */ 306 @Override 307 protected boolean dockWhenClosingDetachedDlg() { 308 if (collapseButtonClicked) { 309 collapseButtonClicked = false; 310 return true; 311 } 312 return false; 313 } 314 315 @Override 316 protected void stateChanged() { 317 super.stateChanged(); 318 if (btnCollapse != null) { 319 btnCollapse.setVisible(!isDocked); 320 } 321 } 322 323 /** 324 * Returns whether an image is currently displayed 325 * @return If image is currently displayed 326 */ 327 public boolean hasImage() { 328 return currentEntry != null; 329 } 330 331 /** 332 * Returns the currently displayed image. 333 * @return Currently displayed image or {@code null} 334 * @since 6392 335 */ 336 public static ImageEntry getCurrentImage() { 337 return getInstance().currentEntry; 338 } 339 340 /** 341 * Returns the layer associated with the image. 342 * @return Layer associated with the image 343 * @since 6392 344 */ 345 public static GeoImageLayer getCurrentLayer() { 346 return getInstance().currentLayer; 347 } 348}