001 // License: GPL. See LICENSE file for details. 002 // Copyright 2007 by Christian Gallioz (aka khris78) 003 // Parts of code from Geotagged plugin (by Rob Neild) 004 // and the core JOSM source code (by Immanuel Scholz and others) 005 006 package org.openstreetmap.josm.gui.layer.geoimage; 007 008 import static org.openstreetmap.josm.tools.I18n.tr; 009 010 import java.awt.BorderLayout; 011 import java.awt.Component; 012 import java.awt.Dimension; 013 import java.awt.GridBagConstraints; 014 import java.awt.GridBagLayout; 015 import java.awt.event.ActionEvent; 016 import java.awt.event.KeyEvent; 017 import java.awt.event.WindowEvent; 018 import java.text.DateFormat; 019 020 import javax.swing.AbstractAction; 021 import javax.swing.Box; 022 import javax.swing.ImageIcon; 023 import javax.swing.JButton; 024 import javax.swing.JComponent; 025 import javax.swing.JPanel; 026 import javax.swing.JToggleButton; 027 028 import org.openstreetmap.josm.Main; 029 import org.openstreetmap.josm.gui.dialogs.ToggleDialog; 030 import org.openstreetmap.josm.gui.dialogs.DialogsPanel.Action; 031 import org.openstreetmap.josm.tools.ImageProvider; 032 import org.openstreetmap.josm.tools.Shortcut; 033 034 public class ImageViewerDialog extends ToggleDialog { 035 036 private static final String COMMAND_ZOOM = "zoom"; 037 private static final String COMMAND_CENTERVIEW = "centre"; 038 private static final String COMMAND_NEXT = "next"; 039 private static final String COMMAND_REMOVE = "remove"; 040 private static final String COMMAND_REMOVE_FROM_DISK = "removefromdisk"; 041 private static final String COMMAND_PREVIOUS = "previous"; 042 private static final String COMMAND_COLLAPSE = "collapse"; 043 044 private ImageDisplay imgDisplay = new ImageDisplay(); 045 private boolean centerView = false; 046 047 // Only one instance of that class is present at one time 048 private static ImageViewerDialog dialog; 049 050 private boolean collapseButtonClicked = false; 051 052 static void newInstance() { 053 dialog = new ImageViewerDialog(); 054 } 055 056 public static ImageViewerDialog getInstance() { 057 if (dialog == null) 058 throw new AssertionError(); // a new instance needs to be created first 059 return dialog; 060 } 061 062 private JButton btnNext; 063 private JButton btnPrevious; 064 private JButton btnCollapse; 065 066 private ImageViewerDialog() { 067 super(tr("Geotagged Images"), "geoimage", tr("Display geotagged images"), Shortcut.registerShortcut("tools:geotagged", 068 tr("Tool: {0}", tr("Display geotagged images")), KeyEvent.VK_Y, Shortcut.DIRECT), 200); 069 070 /* Don't show a detached dialog right from the start. */ 071 if (isShowing && !isDocked) { 072 setIsShowing(false); 073 } 074 075 JPanel content = new JPanel(); 076 content.setLayout(new BorderLayout()); 077 078 content.add(imgDisplay, BorderLayout.CENTER); 079 080 Dimension buttonDim = new Dimension(26,26); 081 082 ImageAction prevAction = new ImageAction(COMMAND_PREVIOUS, ImageProvider.get("dialogs", "previous"), tr("Previous")); 083 btnPrevious = new JButton(prevAction); 084 btnPrevious.setPreferredSize(buttonDim); 085 Shortcut scPrev = Shortcut.registerShortcut( 086 "geoimage:previous", tr("Geoimage: {0}", tr("Show previous Image")), KeyEvent.VK_PAGE_UP, Shortcut.DIRECT); 087 final String APREVIOUS = "Previous Image"; 088 Main.registerActionShortcut(prevAction, scPrev); 089 btnPrevious.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scPrev.getKeyStroke(), APREVIOUS); 090 btnPrevious.getActionMap().put(APREVIOUS, prevAction); 091 092 final String DELETE_TEXT = tr("Remove photo from layer"); 093 ImageAction delAction = new ImageAction(COMMAND_REMOVE, ImageProvider.get("dialogs", "delete"), DELETE_TEXT); 094 JButton btnDelete = new JButton(delAction); 095 btnDelete.setPreferredSize(buttonDim); 096 Shortcut scDelete = Shortcut.registerShortcut( 097 "geoimage:deleteimagefromlayer", tr("Geoimage: {0}", tr("Remove photo from layer")), KeyEvent.VK_DELETE, Shortcut.SHIFT); 098 Main.registerActionShortcut(delAction, scDelete); 099 btnDelete.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scDelete.getKeyStroke(), DELETE_TEXT); 100 btnDelete.getActionMap().put(DELETE_TEXT, delAction); 101 102 ImageAction delFromDiskAction = new ImageAction(COMMAND_REMOVE_FROM_DISK, ImageProvider.get("dialogs", "geoimage/deletefromdisk"), tr("Delete image file from disk")); 103 JButton btnDeleteFromDisk = new JButton(delFromDiskAction); 104 btnDeleteFromDisk.setPreferredSize(buttonDim); 105 Shortcut scDeleteFromDisk = Shortcut.registerShortcut( 106 "geoimage:deletefilefromdisk", tr("Geoimage: {0}", tr("Delete File from disk")), KeyEvent.VK_DELETE, Shortcut.CTRL_SHIFT); 107 final String ADELFROMDISK = "Delete image file from disk"; 108 Main.registerActionShortcut(delFromDiskAction, scDeleteFromDisk); 109 btnDeleteFromDisk.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scDeleteFromDisk.getKeyStroke(), ADELFROMDISK); 110 btnDeleteFromDisk.getActionMap().put(ADELFROMDISK, delFromDiskAction); 111 112 ImageAction nextAction = new ImageAction(COMMAND_NEXT, ImageProvider.get("dialogs", "next"), tr("Next")); 113 btnNext = new JButton(nextAction); 114 btnNext.setPreferredSize(buttonDim); 115 Shortcut scNext = Shortcut.registerShortcut( 116 "geoimage:next", tr("Geoimage: {0}", tr("Show next Image")), KeyEvent.VK_PAGE_DOWN, Shortcut.DIRECT); 117 final String ANEXT = "Next Image"; 118 Main.registerActionShortcut(nextAction, scNext); 119 btnNext.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scNext.getKeyStroke(), ANEXT); 120 btnNext.getActionMap().put(ANEXT, nextAction); 121 122 JToggleButton tbCentre = new JToggleButton(new ImageAction(COMMAND_CENTERVIEW, ImageProvider.get("dialogs", "centreview"), tr("Center view"))); 123 tbCentre.setPreferredSize(buttonDim); 124 125 JButton btnZoomBestFit = new JButton(new ImageAction(COMMAND_ZOOM, ImageProvider.get("dialogs", "zoom-best-fit"), tr("Zoom best fit and 1:1"))); 126 btnZoomBestFit.setPreferredSize(buttonDim); 127 128 btnCollapse = new JButton(new ImageAction(COMMAND_COLLAPSE, ImageProvider.get("dialogs", "collapse"), tr("Move dialog to the side pane"))); 129 btnCollapse.setPreferredSize(new Dimension(20,20)); 130 btnCollapse.setAlignmentY(Component.TOP_ALIGNMENT); 131 132 JPanel buttons = new JPanel(); 133 buttons.add(btnPrevious); 134 buttons.add(btnNext); 135 buttons.add(Box.createRigidArea(new Dimension(14, 0))); 136 buttons.add(tbCentre); 137 buttons.add(btnZoomBestFit); 138 buttons.add(Box.createRigidArea(new Dimension(14, 0))); 139 buttons.add(btnDelete); 140 buttons.add(btnDeleteFromDisk); 141 142 JPanel bottomPane = new JPanel(); 143 bottomPane.setLayout(new GridBagLayout()); 144 GridBagConstraints gc = new GridBagConstraints(); 145 gc.gridx = 0; 146 gc.gridy = 0; 147 gc.anchor = GridBagConstraints.CENTER; 148 gc.weightx = 1; 149 bottomPane.add(buttons, gc); 150 151 gc.gridx = 1; 152 gc.gridy = 0; 153 gc.anchor = GridBagConstraints.PAGE_END; 154 gc.weightx = 0; 155 bottomPane.add(btnCollapse, gc); 156 157 content.add(bottomPane, BorderLayout.SOUTH); 158 159 add(content, BorderLayout.CENTER); 160 } 161 162 class ImageAction extends AbstractAction { 163 private final String action; 164 public ImageAction(String action, ImageIcon icon, String toolTipText) { 165 this.action = action; 166 putValue(SHORT_DESCRIPTION, toolTipText); 167 putValue(SMALL_ICON, icon); 168 } 169 170 public void actionPerformed(ActionEvent e) { 171 if (COMMAND_NEXT.equals(action)) { 172 if (currentLayer != null) { 173 currentLayer.showNextPhoto(); 174 } 175 } else if (COMMAND_PREVIOUS.equals(action)) { 176 if (currentLayer != null) { 177 currentLayer.showPreviousPhoto(); 178 } 179 180 } else if (COMMAND_CENTERVIEW.equals(action)) { 181 centerView = ((JToggleButton) e.getSource()).isSelected(); 182 if (centerView && currentEntry != null && currentEntry.getPos() != null) { 183 Main.map.mapView.zoomTo(currentEntry.getPos()); 184 } 185 186 } else if (COMMAND_ZOOM.equals(action)) { 187 imgDisplay.zoomBestFitOrOne(); 188 189 } else if (COMMAND_REMOVE.equals(action)) { 190 if (currentLayer != null) { 191 currentLayer.removeCurrentPhoto(); 192 } 193 } else if (COMMAND_REMOVE_FROM_DISK.equals(action)) { 194 if (currentLayer != null) { 195 currentLayer.removeCurrentPhotoFromDisk(); 196 } 197 } else if (COMMAND_COLLAPSE.equals(action)) { 198 collapseButtonClicked = true; 199 detachedDialog.getToolkit().getSystemEventQueue().postEvent(new WindowEvent(detachedDialog, WindowEvent.WINDOW_CLOSING)); 200 } 201 } 202 } 203 204 public static void showImage(GeoImageLayer layer, ImageEntry entry) { 205 getInstance().displayImage(layer, entry); 206 layer.checkPreviousNextButtons(); 207 } 208 public static void setPreviousEnabled(Boolean value) { 209 getInstance().btnPrevious.setEnabled(value); 210 } 211 public static void setNextEnabled(Boolean value) { 212 getInstance().btnNext.setEnabled(value); 213 } 214 215 private GeoImageLayer currentLayer = null; 216 private ImageEntry currentEntry = null; 217 218 public void displayImage(GeoImageLayer layer, ImageEntry entry) { 219 synchronized(this) { 220 // if (currentLayer == layer && currentEntry == entry) { 221 // repaint(); 222 // return; 223 // } TODO: pop up image dialog but don't load image again 224 225 if (centerView && Main.isDisplayingMapView() && entry != null && entry.getPos() != null) { 226 Main.map.mapView.zoomTo(entry.getPos()); 227 } 228 229 currentLayer = layer; 230 currentEntry = entry; 231 } 232 233 if (entry != null) { 234 imgDisplay.setImage(entry.getFile(), entry.getExifOrientation()); 235 setTitle("Geotagged Images" + (entry.getFile() != null ? " - " + entry.getFile().getName() : "")); 236 StringBuffer osd = new StringBuffer(entry.getFile() != null ? entry.getFile().getName() : ""); 237 if (entry.getElevation() != null) { 238 osd.append(tr("\nAltitude: {0} m", entry.getElevation().longValue())); 239 } 240 if (entry.getSpeed() != null) { 241 osd.append(tr("\n{0} km/h", Math.round(entry.getSpeed()))); 242 } 243 if (entry.getExifImgDir() != null) { 244 osd.append(tr("\nDirection {0}\u00b0", Math.round(entry.getExifImgDir()))); 245 } 246 //if (entry.getPos() != null) { 247 // osd.append(tr("\nlat: {0}, lon: {1}", Double.toString(entry.getPos().lat()), Double.toString(entry.getPos().lon()))); 248 //} 249 //osd.append(tr("\nfile mtime: {0}", Long.toString(entry.getFile().lastModified()))); 250 DateFormat dtf = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT); 251 if (entry.getExifTime() != null) { 252 osd.append(tr("\nEXIF time: {0}", dtf.format(entry.getExifTime()))); 253 } 254 if (entry.getGpsTime() != null) { 255 osd.append(tr("\nGPS time: {0}", dtf.format(entry.getGpsTime()))); 256 } 257 258 imgDisplay.setOsdText(osd.toString()); 259 } else { 260 imgDisplay.setImage(null, null); 261 imgDisplay.setOsdText(""); 262 } 263 if (! isDialogShowing()) { 264 setIsDocked(false); // always open a detached window when an image is clicked and dialog is closed 265 showDialog(); 266 } else { 267 if (isDocked && isCollapsed) { 268 expand(); 269 dialogsPanel.reconstruct(Action.COLLAPSED_TO_DEFAULT, this); 270 } 271 } 272 273 } 274 275 /** 276 * When pressing the Toggle button always show the docked dialog. 277 */ 278 @Override 279 protected void toggleButtonHook() { 280 if (! isShowing) { 281 setIsDocked(true); 282 setIsCollapsed(false); 283 } 284 } 285 286 /** 287 * When an image is closed, really close it and do not pop 288 * up the side dialog. 289 */ 290 @Override 291 protected boolean dockWhenClosingDetachedDlg() { 292 if (collapseButtonClicked) { 293 collapseButtonClicked = false; 294 return true; 295 } 296 return false; 297 } 298 299 @Override 300 protected void stateChanged() { 301 super.stateChanged(); 302 if (btnCollapse != null) { 303 btnCollapse.setVisible(!isDocked); 304 } 305 } 306 307 /** 308 * Returns whether an image is currently displayed 309 * @return If image is currently displayed 310 */ 311 public boolean hasImage() { 312 return currentEntry != null; 313 } 314 }