X-Git-Url: https://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Fsave%2FExifSaver.java;fp=tim%2Fprune%2Fsave%2FExifSaver.java;h=1e597201d5f2842197531159ec3452f542fb428c;hb=5625a1abadb5f2ca5f017fe7dbda1d5141cb637b;hp=0000000000000000000000000000000000000000;hpb=23959e65a6a0d581e657b07186d18b7a1ac5afeb;p=GpsPrune.git

diff --git a/tim/prune/save/ExifSaver.java b/tim/prune/save/ExifSaver.java
new file mode 100644
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--- /dev/null
+++ b/tim/prune/save/ExifSaver.java
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+package tim.prune.save;
+
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.Frame;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.File;
+
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JDialog;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JProgressBar;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+
+import tim.prune.ExternalTools;
+import tim.prune.I18nManager;
+import tim.prune.data.Altitude;
+import tim.prune.data.Coordinate;
+import tim.prune.data.DataPoint;
+import tim.prune.data.Photo;
+import tim.prune.data.PhotoList;
+import tim.prune.data.PhotoStatus;
+
+/**
+ * Class to call Exiftool to save coordinate information in jpg files
+ */
+public class ExifSaver implements Runnable
+{
+	private Frame _parentFrame = null;
+	private JDialog _dialog = null;
+	private JCheckBox _overwriteCheckbox = null;
+	private JProgressBar _progressBar = null;
+	private PhotoTableModel _photoTableModel = null;
+
+
+	// To preserve timestamps of file use parameter -P
+	// To overwrite file (careful!) use parameter -overwrite_original_in_place
+
+	// To read all GPS tags,   use -GPS:All
+	// To delete all GPS tags, use -GPS:All=
+
+	// To set Altitude, use -GPSAltitude= and -GPSAltitudeRef=
+	// To set Latitude, use -GPSLatitude= and -GPSLatitudeRef=
+
+	// To delete all tags with overwrite: exiftool -P -overwrite_original_in_place -GPS:All= <filename>
+
+	// To set altitude with overwrite: exiftool -P -overwrite_original_in_place -GPSAltitude=1234 -GPSAltitudeRef='Above Sea Level' <filename>
+	// (setting altitude ref to 0 doesn't work)
+	// To set latitude with overwrite: exiftool -P -overwrite_original_in_place -GPSLatitude='12 34 56.78' -GPSLatitudeRef=N <filename>
+	// (latitude as space-separated deg min sec, reference as either N or S)
+	// Same for longitude, reference E or W
+
+
+	/**
+	 * Constructor
+	 * @param inParentFrame parent frame
+	 */
+	public ExifSaver(Frame inParentFrame)
+	{
+		_parentFrame = inParentFrame;
+	}
+
+
+	/**
+	 * Save exif information to all photos in the list
+	 * whose coordinate information has changed since loading
+	 * @param inPhotoList list of photos to save
+	 */
+	public boolean saveExifInformation(PhotoList inPhotoList)
+	{
+		// Check if external exif tool can be called
+		boolean exifToolInstalled = ExternalTools.isExiftoolInstalled();
+		if (!exifToolInstalled)
+		{
+			// show warning
+			int answer = JOptionPane.showConfirmDialog(_dialog, I18nManager.getText("dialog.saveexif.noexiftool"),
+				I18nManager.getText("dialog.saveexif.title"),
+				JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);
+			if (answer == JOptionPane.NO_OPTION || answer == JOptionPane.CLOSED_OPTION)
+			{
+				return false;
+			}
+		}
+		// Make model and add all photos to it
+		_photoTableModel = new PhotoTableModel(inPhotoList.getNumPhotos());
+		for (int i=0; i<inPhotoList.getNumPhotos(); i++)
+		{
+			Photo photo = inPhotoList.getPhoto(i);
+			PhotoTableEntry entry = new PhotoTableEntry(photo);
+			_photoTableModel.addPhotoInfo(entry);
+		}
+		// Check if there are any modified photos to save
+		if (_photoTableModel.getNumSaveablePhotos() < 1)
+		{
+			JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("dialog.saveexif.nothingtosave"),
+				I18nManager.getText("dialog.saveexif.title"), JOptionPane.WARNING_MESSAGE);
+			return false;
+		}
+		// Construct dialog
+		_dialog = new JDialog(_parentFrame, I18nManager.getText("dialog.saveexif.title"), true);
+		_dialog.setLocationRelativeTo(_parentFrame);
+		_dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
+		_dialog.getContentPane().add(makeDialogComponents());
+		_dialog.pack();
+		// set progress bar and show dialog
+		_progressBar.setVisible(false);
+		_dialog.show();
+		return true;
+	}
+
+
+	/**
+	 * Put together the dialog components for adding to the gui
+	 * @return panel containing all gui components
+	 */
+	private JPanel makeDialogComponents()
+	{
+		JPanel panel = new JPanel();
+		panel.setLayout(new BorderLayout());
+		panel.add(new JLabel(I18nManager.getText("dialog.saveexif.intro")), BorderLayout.NORTH);
+		// centre panel with most controls
+		JPanel centrePanel = new JPanel();
+		centrePanel.setLayout(new BorderLayout());
+		// table panel with table and checkbox
+		JPanel tablePanel = new JPanel();
+		tablePanel.setLayout(new BorderLayout());
+		JTable photoTable = new JTable(_photoTableModel);
+		JScrollPane scrollPane = new JScrollPane(photoTable);
+		scrollPane.setPreferredSize(new Dimension(300, 160));
+		tablePanel.add(scrollPane, BorderLayout.CENTER);
+		_overwriteCheckbox = new JCheckBox(I18nManager.getText("dialog.saveexif.overwrite"));
+		_overwriteCheckbox.setSelected(false);
+		tablePanel.add(_overwriteCheckbox, BorderLayout.SOUTH);
+		centrePanel.add(tablePanel, BorderLayout.CENTER);
+		// progress bar below main controls
+		_progressBar = new JProgressBar(0, 100);
+		centrePanel.add(_progressBar, BorderLayout.SOUTH);
+		panel.add(centrePanel, BorderLayout.CENTER);
+		// Right-hand panel with select all, none buttons
+		JPanel rightPanel = new JPanel();
+		rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.Y_AXIS));
+		JButton selectAllButton = new JButton(I18nManager.getText("button.selectall"));
+		selectAllButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				selectPhotos(true);
+			}
+		});
+		rightPanel.add(selectAllButton);
+		JButton selectNoneButton = new JButton(I18nManager.getText("button.selectnone"));
+		selectNoneButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				selectPhotos(false);
+			}
+		});
+		rightPanel.add(selectNoneButton);
+		panel.add(rightPanel, BorderLayout.EAST);
+		// Lower panel with ok and cancel buttons
+		JPanel buttonPanel = new JPanel();
+		buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+		JButton okButton = new JButton(I18nManager.getText("button.ok"));
+		okButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				// start new thread to do save
+				new Thread(ExifSaver.this).start();
+			}
+		});
+		buttonPanel.add(okButton);
+		JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
+		cancelButton.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e)
+			{
+				_dialog.dispose();
+			}
+		});
+		buttonPanel.add(cancelButton);
+		panel.add(buttonPanel, BorderLayout.SOUTH);
+		return panel;
+	}
+
+
+	/**
+	 * Select all or select none
+	 * @param inSelected true to select all photos, false to deselect all
+	 */
+	private void selectPhotos(boolean inSelected)
+	{
+		int numPhotos = _photoTableModel.getRowCount();
+		for (int i=0; i<numPhotos; i++)
+		{
+			_photoTableModel.getPhotoTableEntry(i).setSaveFlag(inSelected);
+		}
+		_photoTableModel.fireTableDataChanged();
+	}
+
+
+	/**
+	 * Run method for saving in separate thread
+	 */
+	public void run()
+	{
+		PhotoTableEntry entry = null;
+		Photo photo = null;
+		int numPhotos = _photoTableModel.getRowCount();
+		_progressBar.setMaximum(numPhotos);
+		_progressBar.setValue(0);
+		_progressBar.setVisible(true);
+		boolean overwriteFlag = _overwriteCheckbox.isSelected();
+		int numSaved = 0;
+		// Loop over all photos in list
+		for (int i=0; i<numPhotos; i++)
+		{
+			entry = _photoTableModel.getPhotoTableEntry(i);
+			if (entry != null && entry.getSaveFlag())
+			{
+				// Only look at photos which are selected and whose status has changed since load
+				photo = entry.getPhoto();
+				if (photo != null && photo.getOriginalStatus() != photo.getCurrentStatus())
+				{
+					// Increment counter if save successful
+					if (savePhoto(photo, overwriteFlag))
+					{
+						numSaved++;
+					}
+				}
+			}
+			// update progress bar
+			_progressBar.setValue(i + 1);
+		}
+		_progressBar.setVisible(false);
+		// Show confirmation dialog
+		JOptionPane.showMessageDialog(_dialog, I18nManager.getText("dialog.saveexif.ok1") + " "
+			+ numSaved + " " + I18nManager.getText("dialog.saveexif.ok2"),
+			I18nManager.getText("dialog.saveexif.title"), JOptionPane.INFORMATION_MESSAGE);
+		// close dialog, all finished
+		_dialog.dispose();
+	}
+
+
+	/**
+	 * Save the details for the given photo
+	 * @param inPhoto Photo object
+	 * @param inOverwriteFlag true to overwrite file, false otherwise
+	 * @return true if details saved ok
+	 */
+	private boolean savePhoto(Photo inPhoto, boolean inOverwriteFlag)
+	{
+		// Check whether photo file still exists
+		if (!inPhoto.getFile().exists())
+		{
+			// photo file doesn't exist any more
+			JOptionPane.showMessageDialog(_parentFrame,
+				I18nManager.getText("error.saveexif.filenotfound") + " : " + inPhoto.getFile().getAbsolutePath(),
+				I18nManager.getText("dialog.saveexif.title"), JOptionPane.ERROR_MESSAGE);
+			return false;
+		}
+		// Warn if file read-only and selected to overwrite
+		if (inOverwriteFlag && !inPhoto.getFile().canWrite())
+		{
+			// eek, can't overwrite file
+			int answer = JOptionPane.showConfirmDialog(_parentFrame,
+				I18nManager.getText("error.saveexif.cannotoverwrite1") + " " + inPhoto.getFile().getAbsolutePath()
+					+ " " + I18nManager.getText("error.saveexif.cannotoverwrite2"),
+				I18nManager.getText("dialog.saveexif.title"),
+				JOptionPane.YES_NO_OPTION, JOptionPane.ERROR_MESSAGE);
+			if (answer == JOptionPane.YES_OPTION)
+			{
+				// don't overwrite this image but write to copy
+				inOverwriteFlag = false;
+			}
+			else
+			{
+				// don't do anything with this file
+				return false;
+			}
+		}
+		String[] command = null;
+		if (inPhoto.getCurrentStatus() == PhotoStatus.NOT_CONNECTED)
+		{
+			// Photo is no longer connected, so delete gps tags
+			command = getDeleteGpsExifTagsCommand(inPhoto.getFile(), inOverwriteFlag);
+		}
+		else
+		{
+			// Photo is now connected, so write new gps tags
+			command = getWriteGpsExifTagsCommand(inPhoto.getFile(), inPhoto.getDataPoint(), inOverwriteFlag);
+		}
+		// Execute exif command
+		try
+		{
+			Runtime.getRuntime().exec(command);
+		}
+		catch (Exception e)
+		{
+			// show error message
+			JOptionPane.showMessageDialog(_parentFrame, "Exception: '" + e.getClass().getName() + "' : "
+				+ e.getMessage(), I18nManager.getText("dialog.saveexif.title"), JOptionPane.ERROR_MESSAGE);
+			return false;
+		}
+		return true;
+	}
+
+
+	/**
+	 * Create the command to delete the gps exif tags from the specified file
+	 * @param inFile file from which to delete tags
+	 * @param inOverwrite true to overwrite file, false to create copy
+	 * @return external command to delete gps tags
+	 */
+	private static String[] getDeleteGpsExifTagsCommand(File inFile, boolean inOverwrite)
+	{
+		// Make a string array to construct the command and its parameters
+		String[] result = new String[inOverwrite?5:4];
+		result[0] = "exiftool";
+		result[1] = "-P";
+		if (inOverwrite) {result[2] = " -overwrite_original_in_place";}
+		// remove all gps tags
+		int paramOffset = inOverwrite?3:2;
+		result[paramOffset] = "-GPS:All=";
+		result[paramOffset + 1] = inFile.getAbsolutePath();
+		return result;
+	}
+
+
+	/**
+	 * Create the comand to write the gps exif tags to the specified file
+	 * @param inFile file to which to write the tags
+	 * @param inPoint DataPoint object containing coordinate information
+	 * @param inOverwrite true to overwrite file, false to create copy
+	 * @return external command to write gps tags
+	 */
+	private static String[] getWriteGpsExifTagsCommand(File inFile, DataPoint inPoint, boolean inOverwrite)
+	{
+		// Make a string array to construct the command and its parameters
+		String[] result = new String[inOverwrite?10:9];
+		result[0] = "exiftool";
+		result[1] = "-P";
+		if (inOverwrite) {result[2] = "-overwrite_original_in_place";}
+		int paramOffset = inOverwrite?3:2;
+		// To set latitude : -GPSLatitude='12 34 56.78' -GPSLatitudeRef='N'
+		// (latitude as space-separated deg min sec, reference as either N or S)
+		result[paramOffset] = "-GPSLatitude='" + inPoint.getLatitude().output(Coordinate.FORMAT_DEG_MIN_SEC_WITH_SPACES)
+		 + "'";
+		result[paramOffset + 1] = "-GPSLatitudeRef=" + inPoint.getLatitude().output(Coordinate.FORMAT_CARDINAL);
+		// same for longitude with space-separated deg min sec, reference as either E or W
+		result[paramOffset + 2] = "-GPSLongitude='" + inPoint.getLongitude().output(Coordinate.FORMAT_DEG_MIN_SEC_WITH_SPACES)
+		 + "'";
+		result[paramOffset + 3] = "-GPSLongitudeRef=" + inPoint.getLongitude().output(Coordinate.FORMAT_CARDINAL);
+		// add altitude if it has it
+		result[paramOffset + 4] = "-GPSAltitude="
+		 + (inPoint.hasAltitude()?inPoint.getAltitude().getValue(Altitude.FORMAT_METRES):0);
+		result[paramOffset + 5] = "-GPSAltitudeRef='Above Sea Level'";
+		// add the filename to modify
+		result[paramOffset + 6] = inFile.getAbsolutePath();
+		return result;
+	}
+}