--- /dev/null
+package tim.prune.load;
+
+import java.io.File;
+import java.util.TreeSet;
+
+import javax.swing.BoxLayout;
+import javax.swing.JCheckBox;
+import javax.swing.JFileChooser;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+import tim.prune.App;
+import tim.prune.I18nManager;
+import tim.prune.config.Config;
+import tim.prune.data.Altitude;
+import tim.prune.data.DataPoint;
+import tim.prune.data.LatLonRectangle;
+import tim.prune.data.Latitude;
+import tim.prune.data.Longitude;
+import tim.prune.data.Photo;
+import tim.prune.data.Timestamp;
+import tim.prune.data.TimestampLocal;
+import tim.prune.data.TimestampUtc;
+import tim.prune.data.UnitSetLibrary;
+import tim.prune.function.Cancellable;
+import tim.prune.jpeg.InternalExifLibrary;
+import tim.prune.jpeg.JpegData;
+
+/**
+ * Class to manage the loading of Jpegs and dealing with the GPS data from them
+ */
+public class JpegLoader implements Runnable, Cancellable
+{
+ private App _app = null;
+ private JFrame _parentFrame = null;
+ private JFileChooser _fileChooser = null;
+ private GenericFileFilter _fileFilter = null;
+ private JCheckBox _subdirCheckbox = null;
+ private JCheckBox _noExifCheckbox = null;
+ private JCheckBox _outsideAreaCheckbox = null;
+ private MediaLoadProgressDialog _progressDialog = null;
+ private int[] _fileCounts = null;
+ private boolean _cancelled = false;
+ private LatLonRectangle _trackRectangle = null;
+ private TreeSet<Photo> _photos = null;
+
+
+ /**
+ * Constructor
+ * @param inApp Application object to inform of photo load
+ * @param inParentFrame parent frame to reference for dialogs
+ */
+ public JpegLoader(App inApp, JFrame inParentFrame)
+ {
+ _app = inApp;
+ _parentFrame = inParentFrame;
+ _fileFilter = new JpegFileFilter();
+ }
+
+
+ /**
+ * Open the GUI to select options and start the load
+ * @param inRectangle track rectangle
+ */
+ public void openDialog(LatLonRectangle inRectangle)
+ {
+ // Create file chooser if necessary
+ if (_fileChooser == null)
+ {
+ _fileChooser = new JFileChooser();
+ _fileChooser.setMultiSelectionEnabled(true);
+ _fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
+ _fileChooser.setFileFilter(_fileFilter);
+ _fileChooser.setDialogTitle(I18nManager.getText("menu.file.addphotos"));
+ _subdirCheckbox = new JCheckBox(I18nManager.getText("dialog.jpegload.subdirectories"));
+ _subdirCheckbox.setSelected(true);
+ _noExifCheckbox = new JCheckBox(I18nManager.getText("dialog.jpegload.loadjpegswithoutcoords"));
+ _noExifCheckbox.setSelected(true);
+ _outsideAreaCheckbox = new JCheckBox(I18nManager.getText("dialog.jpegload.loadjpegsoutsidearea"));
+ _outsideAreaCheckbox.setSelected(true);
+ JPanel panel = new JPanel();
+ panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
+ panel.add(_subdirCheckbox);
+ panel.add(_noExifCheckbox);
+ panel.add(_outsideAreaCheckbox);
+ _fileChooser.setAccessory(panel);
+ // start from directory in config if already set by other operations
+ String configDir = Config.getConfigString(Config.KEY_PHOTO_DIR);
+ if (configDir == null) {configDir = Config.getConfigString(Config.KEY_TRACK_DIR);}
+ if (configDir != null) {_fileChooser.setCurrentDirectory(new File(configDir));}
+ }
+ // enable/disable track checkbox
+ _trackRectangle = inRectangle;
+ _outsideAreaCheckbox.setEnabled(_trackRectangle != null && !_trackRectangle.isEmpty());
+ // Show file dialog to choose file / directory(ies)
+ if (_fileChooser.showOpenDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
+ {
+ // Bring up dialog before starting
+ _progressDialog = new MediaLoadProgressDialog(_parentFrame, this);
+ _progressDialog.show();
+ // start thread for processing
+ new Thread(this).start();
+ }
+ }
+
+ /** Cancel */
+ public void cancel() {
+ _cancelled = true;
+ }
+
+
+ /**
+ * Run method for performing tasks in separate thread
+ */
+ public void run()
+ {
+ // Initialise arrays, errors, summaries
+ _fileCounts = new int[3]; // files, jpegs, gps
+ _photos = new TreeSet<Photo>(new MediaSorter());
+ File[] files = _fileChooser.getSelectedFiles();
+ // Loop recursively over selected files/directories to count files
+ int numFiles = countFileList(files, true, _subdirCheckbox.isSelected());
+ // Set up the progress bar for this number of files
+ _progressDialog.showProgress(0, numFiles);
+ _cancelled = false;
+
+ // Process the files recursively and build lists of photos
+ processFileList(files, true, _subdirCheckbox.isSelected());
+ _progressDialog.close();
+ if (_cancelled) {return;}
+
+ if (_fileCounts[0] == 0)
+ {
+ // No files found at all
+ _app.showErrorMessage("error.jpegload.dialogtitle", "error.jpegload.nofilesfound");
+ }
+ else if (_fileCounts[1] == 0)
+ {
+ // No jpegs found
+ _app.showErrorMessage("error.jpegload.dialogtitle", "error.jpegload.nojpegsfound");
+ }
+ else if (!_noExifCheckbox.isSelected() && _fileCounts[2] == 0)
+ {
+ // Need coordinates but no gps information found
+ _app.showErrorMessage("error.jpegload.dialogtitle", "error.jpegload.nogpsfound");
+ }
+ else
+ {
+ // Found some photos to load - pass information back to app
+ _app.informPhotosLoaded(_photos);
+ }
+ }
+
+
+ /**
+ * Process a list of files and/or directories
+ * @param inFiles array of file/directories
+ * @param inFirstDir true if first directory
+ * @param inDescend true to descend to subdirectories
+ */
+ private void processFileList(File[] inFiles, boolean inFirstDir, boolean inDescend)
+ {
+ if (inFiles == null) return;
+ // Loop over elements in array
+ for (int i=0; i<inFiles.length && !_cancelled; i++)
+ {
+ File file = inFiles[i];
+ if (file.exists() && file.canRead())
+ {
+ // Check whether it's a file or a directory
+ if (file.isFile())
+ {
+ processFile(file);
+ }
+ else if (file.isDirectory() && (inFirstDir || inDescend))
+ {
+ // Always process first directory,
+ // only process subdirectories if checkbox selected
+ File[] files = file.listFiles();
+ processFileList(files, false, inDescend);
+ }
+ }
+ // if file doesn't exist or isn't readable - ignore
+ }
+ }
+
+
+ /**
+ * Process the given file, by attempting to extract its tags
+ * @param inFile file object to read
+ */
+ private void processFile(File inFile)
+ {
+ // Update progress bar
+ _fileCounts[0]++; // file found
+ _progressDialog.showProgress(_fileCounts[0], -1);
+
+ // Check whether filename corresponds with accepted filenames
+ if (!_fileFilter.acceptFilename(inFile.getName())) {return;}
+ // If it's a Jpeg, we can use ExifReader to get coords, otherwise we could try exiftool (if it's installed)
+
+ if (inFile.exists() && inFile.canRead()) {
+ _fileCounts[1]++; // jpeg found
+ }
+ Photo photo = createPhoto(inFile);
+ if (photo.getDataPoint() != null) {
+ _fileCounts[2]++; // photo has coordinates
+ }
+ // Check the criteria for adding the photo - check whether the photo has coordinates and if so if they're within the rectangle
+ if ( (photo.getDataPoint() != null || _noExifCheckbox.isSelected())
+ && (photo.getDataPoint() == null || !_outsideAreaCheckbox.isEnabled()
+ || _outsideAreaCheckbox.isSelected() || _trackRectangle.containsPoint(photo.getDataPoint())))
+ {
+ _photos.add(photo);
+ }
+ }
+
+ /**
+ * Create a Photo object for the given file, including reading exif information
+ * @param inFile file object
+ * @return Photo object
+ */
+ public static Photo createPhoto(File inFile)
+ {
+ // Create Photo object
+ Photo photo = new Photo(inFile);
+ // Try to get information out of exif
+ JpegData jpegData = new InternalExifLibrary().getJpegData(inFile);
+ Timestamp timestamp = null;
+ if (jpegData != null)
+ {
+ if (jpegData.isGpsValid())
+ {
+ timestamp = createTimestamp(jpegData.getGpsDatestamp(), jpegData.getGpsTimestamp());
+ // Make DataPoint and attach to Photo
+ DataPoint point = createDataPoint(jpegData);
+ point.setPhoto(photo);
+ point.setSegmentStart(true);
+ photo.setDataPoint(point);
+ photo.setOriginalStatus(Photo.Status.TAGGED);
+ }
+ // Use exif timestamp if gps timestamp not available
+ if (timestamp == null && jpegData.getOriginalTimestamp() != null) {
+ timestamp = createTimestamp(jpegData.getOriginalTimestamp());
+ }
+ if (timestamp == null && jpegData.getDigitizedTimestamp() != null) {
+ timestamp = createTimestamp(jpegData.getDigitizedTimestamp());
+ }
+ photo.setExifThumbnail(jpegData.getThumbnailImage());
+ // Also extract orientation tag for setting rotation state of photo
+ photo.setRotation(jpegData.getRequiredRotation());
+ // Set bearing, if any
+ photo.setBearing(jpegData.getBearing());
+ }
+ // Use file timestamp if exif timestamp isn't available
+ if (timestamp == null) {
+ timestamp = new TimestampUtc(inFile.lastModified());
+ }
+ // Apply timestamp to photo and its point (if any)
+ photo.setTimestamp(timestamp);
+ if (photo.getDataPoint() != null) {
+ // photo.getDataPoint().setFieldValue(Field.TIMESTAMP, timestamp.getText(Timestamp.Format.ISO8601), false);
+ }
+ return photo;
+ }
+
+
+ /**
+ * Recursively count the selected Files so we can draw a progress bar
+ * @param inFiles file list
+ * @param inFirstDir true if first directory
+ * @param inDescend true to descend to subdirectories
+ * @return count of the files selected
+ */
+ private int countFileList(File[] inFiles, boolean inFirstDir, boolean inDescend)
+ {
+ int fileCount = 0;
+ if (inFiles != null)
+ {
+ // Loop over elements in array
+ for (int i=0; i<inFiles.length; i++)
+ {
+ File file = inFiles[i];
+ if (file.exists() && file.canRead())
+ {
+ // Store first directory in config for later
+ if (i == 0 && inFirstDir) {
+ File workingDir = file.isDirectory()?file:file.getParentFile();
+ Config.setConfigString(Config.KEY_PHOTO_DIR, workingDir.getAbsolutePath());
+ }
+ // Check whether it's a file or a directory
+ if (file.isFile())
+ {
+ fileCount++;
+ }
+ else if (file.isDirectory() && (inFirstDir || inDescend))
+ {
+ fileCount += countFileList(file.listFiles(), false, inDescend);
+ }
+ }
+ }
+ }
+ return fileCount;
+ }
+
+
+ /**
+ * Create a DataPoint object from the given jpeg data
+ * @param inData Jpeg data including coordinates
+ * @return DataPoint object for Track
+ */
+ private static DataPoint createDataPoint(JpegData inData)
+ {
+ // Create model objects from jpeg data
+ double latval = getCoordinateDoubleValue(inData.getLatitude(),
+ inData.getLatitudeRef() == 'N' || inData.getLatitudeRef() == 'n');
+ Latitude latitude = new Latitude(latval, Latitude.FORMAT_DEG_MIN_SEC);
+ double lonval = getCoordinateDoubleValue(inData.getLongitude(),
+ inData.getLongitudeRef() == 'E' || inData.getLongitudeRef() == 'e');
+ Longitude longitude = new Longitude(lonval, Longitude.FORMAT_DEG_MIN_SEC);
+ Altitude altitude = null;
+ if (inData.hasAltitude()) {
+ altitude = new Altitude(inData.getAltitude(), UnitSetLibrary.UNITS_METRES);
+ }
+ return new DataPoint(latitude, longitude, altitude);
+ }
+
+
+ /**
+ * Convert an array of 3 doubles (deg-min-sec) into a double coordinate value
+ * @param inValues array of three doubles for deg-min-sec
+ * @param isPositive true for positive hemisphere, for positive double value
+ * @return double value of coordinate, either positive or negative
+ */
+ private static double getCoordinateDoubleValue(double[] inValues, boolean isPositive)
+ {
+ if (inValues == null || inValues.length != 3) return 0.0;
+ double value = inValues[0] // degrees
+ + inValues[1] / 60.0 // minutes
+ + inValues[2] / 60.0 / 60.0; // seconds
+ // make sure it's the correct sign
+ value = Math.abs(value);
+ if (!isPositive) value = -value;
+ return value;
+ }
+
+
+ /**
+ * Use the given int values to create a timestamp
+ * @param inDate ints describing date
+ * @param inTime ints describing time
+ * @return Timestamp object corresponding to inputs
+ */
+ private static Timestamp createTimestamp(int[] inDate, int[] inTime)
+ {
+ if (inDate == null || inTime == null || inDate.length != 3 || inTime.length != 3) {
+ return null;
+ }
+ return new TimestampLocal(inDate[0], inDate[1], inDate[2],
+ inTime[0], inTime[1], inTime[2]);
+ }
+
+
+ /**
+ * Use the given String value to create a timestamp
+ * @param inStamp timestamp from exif
+ * @return Timestamp object corresponding to input
+ */
+ private static Timestamp createTimestamp(String inStamp)
+ {
+ Timestamp stamp = null;
+ try
+ {
+ stamp = new TimestampLocal(Integer.parseInt(inStamp.substring(0, 4)),
+ Integer.parseInt(inStamp.substring(5, 7)),
+ Integer.parseInt(inStamp.substring(8, 10)),
+ Integer.parseInt(inStamp.substring(11, 13)),
+ Integer.parseInt(inStamp.substring(14, 16)),
+ Integer.parseInt(inStamp.substring(17)));
+ }
+ catch (NumberFormatException nfe) {}
+ return stamp;
+ }
+}
projects / GpsPrune.git / blobdiff