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