// License: GPL. See LICENSE file for details.
package org.openstreetmap.josm.gui.layer.geoimage;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.WindowEvent;
import java.text.DateFormat;
import javax.swing.AbstractAction;
import javax.swing.Box;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.JToggleButton;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.gui.dialogs.DialogsPanel.Action;
import org.openstreetmap.josm.gui.dialogs.ToggleDialog;
import org.openstreetmap.josm.tools.ImageProvider;
import org.openstreetmap.josm.tools.Shortcut;
import org.openstreetmap.josm.tools.date.DateUtils;
public final class ImageViewerDialog extends ToggleDialog {
private static final String COMMAND_ZOOM = "zoom";
private static final String COMMAND_CENTERVIEW = "centre";
private static final String COMMAND_NEXT = "next";
private static final String COMMAND_REMOVE = "remove";
private static final String COMMAND_REMOVE_FROM_DISK = "removefromdisk";
private static final String COMMAND_PREVIOUS = "previous";
private static final String COMMAND_COLLAPSE = "collapse";
private static final String COMMAND_FIRST = "first";
private static final String COMMAND_LAST = "last";
private ImageDisplay imgDisplay = new ImageDisplay();
private boolean centerView = false;
// Only one instance of that class is present at one time
private static ImageViewerDialog dialog;
private boolean collapseButtonClicked = false;
static void newInstance() {
dialog = new ImageViewerDialog();
}
public static ImageViewerDialog getInstance() {
if (dialog == null)
throw new AssertionError("a new instance needs to be created first");
return dialog;
}
private JButton btnNext;
private JButton btnPrevious;
private JButton btnCollapse;
private ImageViewerDialog() {
super(tr("Geotagged Images"), "geoimage", tr("Display geotagged images"), Shortcut.registerShortcut("tools:geotagged",
tr("Tool: {0}", tr("Display geotagged images")), KeyEvent.VK_Y, Shortcut.DIRECT), 200);
// Don't show a detached dialog right from the start.
if (isShowing && !isDocked) {
setIsShowing(false);
}
JPanel content = new JPanel();
content.setLayout(new BorderLayout());
content.add(imgDisplay, BorderLayout.CENTER);
Dimension buttonDim = new Dimension(26,26);
ImageAction prevAction = new ImageAction(COMMAND_PREVIOUS, ImageProvider.get("dialogs", "previous"), tr("Previous"));
btnPrevious = new JButton(prevAction);
btnPrevious.setPreferredSize(buttonDim);
Shortcut scPrev = Shortcut.registerShortcut(
"geoimage:previous", tr("Geoimage: {0}", tr("Show previous Image")), KeyEvent.VK_PAGE_UP, Shortcut.DIRECT);
final String APREVIOUS = "Previous Image";
Main.registerActionShortcut(prevAction, scPrev);
btnPrevious.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scPrev.getKeyStroke(), APREVIOUS);
btnPrevious.getActionMap().put(APREVIOUS, prevAction);
final String DELETE_TEXT = tr("Remove photo from layer");
ImageAction delAction = new ImageAction(COMMAND_REMOVE, ImageProvider.get("dialogs", "delete"), DELETE_TEXT);
JButton btnDelete = new JButton(delAction);
btnDelete.setPreferredSize(buttonDim);
Shortcut scDelete = Shortcut.registerShortcut(
"geoimage:deleteimagefromlayer", tr("Geoimage: {0}", tr("Remove photo from layer")), KeyEvent.VK_DELETE, Shortcut.SHIFT);
Main.registerActionShortcut(delAction, scDelete);
btnDelete.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scDelete.getKeyStroke(), DELETE_TEXT);
btnDelete.getActionMap().put(DELETE_TEXT, delAction);
ImageAction delFromDiskAction = new ImageAction(COMMAND_REMOVE_FROM_DISK, ImageProvider.get("dialogs", "geoimage/deletefromdisk"), tr("Delete image file from disk"));
JButton btnDeleteFromDisk = new JButton(delFromDiskAction);
btnDeleteFromDisk.setPreferredSize(buttonDim);
Shortcut scDeleteFromDisk = Shortcut.registerShortcut(
"geoimage:deletefilefromdisk", tr("Geoimage: {0}", tr("Delete File from disk")), KeyEvent.VK_DELETE, Shortcut.CTRL_SHIFT);
final String ADELFROMDISK = "Delete image file from disk";
Main.registerActionShortcut(delFromDiskAction, scDeleteFromDisk);
btnDeleteFromDisk.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scDeleteFromDisk.getKeyStroke(), ADELFROMDISK);
btnDeleteFromDisk.getActionMap().put(ADELFROMDISK, delFromDiskAction);
ImageAction nextAction = new ImageAction(COMMAND_NEXT, ImageProvider.get("dialogs", "next"), tr("Next"));
btnNext = new JButton(nextAction);
btnNext.setPreferredSize(buttonDim);
Shortcut scNext = Shortcut.registerShortcut(
"geoimage:next", tr("Geoimage: {0}", tr("Show next Image")), KeyEvent.VK_PAGE_DOWN, Shortcut.DIRECT);
final String ANEXT = "Next Image";
Main.registerActionShortcut(nextAction, scNext);
btnNext.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(scNext.getKeyStroke(), ANEXT);
btnNext.getActionMap().put(ANEXT, nextAction);
Main.registerActionShortcut(
new ImageAction(COMMAND_FIRST, null, null),
Shortcut.registerShortcut(
"geoimage:first", tr("Geoimage: {0}", tr("Show first Image")), KeyEvent.VK_HOME, Shortcut.DIRECT)
);
Main.registerActionShortcut(
new ImageAction(COMMAND_LAST, null, null),
Shortcut.registerShortcut(
"geoimage:last", tr("Geoimage: {0}", tr("Show last Image")), KeyEvent.VK_END, Shortcut.DIRECT)
);
JToggleButton tbCentre = new JToggleButton(new ImageAction(COMMAND_CENTERVIEW, ImageProvider.get("dialogs", "centreview"), tr("Center view")));
tbCentre.setPreferredSize(buttonDim);
JButton btnZoomBestFit = new JButton(new ImageAction(COMMAND_ZOOM, ImageProvider.get("dialogs", "zoom-best-fit"), tr("Zoom best fit and 1:1")));
btnZoomBestFit.setPreferredSize(buttonDim);
btnCollapse = new JButton(new ImageAction(COMMAND_COLLAPSE, ImageProvider.get("dialogs", "collapse"), tr("Move dialog to the side pane")));
btnCollapse.setPreferredSize(new Dimension(20,20));
btnCollapse.setAlignmentY(Component.TOP_ALIGNMENT);
JPanel buttons = new JPanel();
buttons.add(btnPrevious);
buttons.add(btnNext);
buttons.add(Box.createRigidArea(new Dimension(14, 0)));
buttons.add(tbCentre);
buttons.add(btnZoomBestFit);
buttons.add(Box.createRigidArea(new Dimension(14, 0)));
buttons.add(btnDelete);
buttons.add(btnDeleteFromDisk);
JPanel bottomPane = new JPanel();
bottomPane.setLayout(new GridBagLayout());
GridBagConstraints gc = new GridBagConstraints();
gc.gridx = 0;
gc.gridy = 0;
gc.anchor = GridBagConstraints.CENTER;
gc.weightx = 1;
bottomPane.add(buttons, gc);
gc.gridx = 1;
gc.gridy = 0;
gc.anchor = GridBagConstraints.PAGE_END;
gc.weightx = 0;
bottomPane.add(btnCollapse, gc);
content.add(bottomPane, BorderLayout.SOUTH);
add(content, BorderLayout.CENTER);
}
class ImageAction extends AbstractAction {
private final String action;
public ImageAction(String action, ImageIcon icon, String toolTipText) {
this.action = action;
putValue(SHORT_DESCRIPTION, toolTipText);
putValue(SMALL_ICON, icon);
}
@Override
public void actionPerformed(ActionEvent e) {
if (COMMAND_NEXT.equals(action)) {
if (currentLayer != null) {
currentLayer.showNextPhoto();
}
} else if (COMMAND_PREVIOUS.equals(action)) {
if (currentLayer != null) {
currentLayer.showPreviousPhoto();
}
} else if (COMMAND_FIRST.equals(action) && currentLayer != null) {
currentLayer.showFirstPhoto();
} else if (COMMAND_LAST.equals(action) && currentLayer != null) {
currentLayer.showLastPhoto();
} else if (COMMAND_CENTERVIEW.equals(action)) {
centerView = ((JToggleButton) e.getSource()).isSelected();
if (centerView && currentEntry != null && currentEntry.getPos() != null) {
Main.map.mapView.zoomTo(currentEntry.getPos());
}
} else if (COMMAND_ZOOM.equals(action)) {
imgDisplay.zoomBestFitOrOne();
} else if (COMMAND_REMOVE.equals(action)) {
if (currentLayer != null) {
currentLayer.removeCurrentPhoto();
}
} else if (COMMAND_REMOVE_FROM_DISK.equals(action)) {
if (currentLayer != null) {
currentLayer.removeCurrentPhotoFromDisk();
}
} else if (COMMAND_COLLAPSE.equals(action)) {
collapseButtonClicked = true;
detachedDialog.getToolkit().getSystemEventQueue().postEvent(new WindowEvent(detachedDialog, WindowEvent.WINDOW_CLOSING));
}
}
}
public static void showImage(GeoImageLayer layer, ImageEntry entry) {
getInstance().displayImage(layer, entry);
layer.checkPreviousNextButtons();
}
public static void setPreviousEnabled(Boolean value) {
getInstance().btnPrevious.setEnabled(value);
}
public static void setNextEnabled(Boolean value) {
getInstance().btnNext.setEnabled(value);
}
private GeoImageLayer currentLayer = null;
private ImageEntry currentEntry = null;
public void displayImage(GeoImageLayer layer, ImageEntry entry) {
boolean imageChanged;
synchronized(this) {
// TODO: pop up image dialog but don't load image again
imageChanged = currentEntry != entry;
if (centerView && Main.isDisplayingMapView() && entry != null && entry.getPos() != null) {
Main.map.mapView.zoomTo(entry.getPos());
}
currentLayer = layer;
currentEntry = entry;
}
if (entry != null) {
if (imageChanged) {
// Set only if the image is new to preserve zoom and position if the same image is redisplayed
// (e.g. to update the OSD).
imgDisplay.setImage(entry.getFile(), entry.getExifOrientation());
}
setTitle("Geotagged Images" + (entry.getFile() != null ? " - " + entry.getFile().getName() : ""));
StringBuilder osd = new StringBuilder(entry.getFile() != null ? entry.getFile().getName() : "");
if (entry.getElevation() != null) {
osd.append(tr("\nAltitude: {0} m", entry.getElevation().longValue()));
}
if (entry.getSpeed() != null) {
osd.append(tr("\n{0} km/h", Math.round(entry.getSpeed())));
}
if (entry.getExifImgDir() != null) {
osd.append(tr("\nDirection {0}\u00b0", Math.round(entry.getExifImgDir())));
}
DateFormat dtf = DateUtils.getDateTimeFormat(DateFormat.SHORT, DateFormat.MEDIUM);
if (entry.hasExifTime()) {
osd.append(tr("\nEXIF time: {0}", dtf.format(entry.getExifTime())));
}
if (entry.hasGpsTime()) {
osd.append(tr("\nGPS time: {0}", dtf.format(entry.getGpsTime())));
}
imgDisplay.setOsdText(osd.toString());
} else {
imgDisplay.setImage(null, null);
imgDisplay.setOsdText("");
}
if (! isDialogShowing()) {
setIsDocked(false); // always open a detached window when an image is clicked and dialog is closed
showDialog();
} else {
if (isDocked && isCollapsed) {
expand();
dialogsPanel.reconstruct(Action.COLLAPSED_TO_DEFAULT, this);
}
}
}
/**
* When pressing the Toggle button always show the docked dialog.
*/
@Override
protected void toggleButtonHook() {
if (! isShowing) {
setIsDocked(true);
setIsCollapsed(false);
}
}
/**
* When an image is closed, really close it and do not pop
* up the side dialog.
*/
@Override
protected boolean dockWhenClosingDetachedDlg() {
if (collapseButtonClicked) {
collapseButtonClicked = false;
return true;
}
return false;
}
@Override
protected void stateChanged() {
super.stateChanged();
if (btnCollapse != null) {
btnCollapse.setVisible(!isDocked);
}
}
/**
* Returns whether an image is currently displayed
* @return If image is currently displayed
*/
public boolean hasImage() {
return currentEntry != null;
}
/**
* Returns the currently displayed image.
* @return Currently displayed image or {@code null}
* @since 6392
*/
public static ImageEntry getCurrentImage() {
return getInstance().currentEntry;
}
/**
* Returns the layer associated with the image.
* @return Layer associated with the image
* @since 6392
*/
public static GeoImageLayer getCurrentLayer() {
return getInstance().currentLayer;
}
}