--- /dev/null
+package tim.prune.save;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+
+import javax.swing.JFileChooser;
+import javax.swing.JFrame;
+import javax.swing.JOptionPane;
+import javax.swing.filechooser.FileFilter;
+
+import tim.prune.App;
+import tim.prune.I18nManager;
+import tim.prune.data.Coordinate;
+import tim.prune.data.DataPoint;
+import tim.prune.data.Field;
+import tim.prune.data.Track;
+
+/**
+ * Class to export track information
+ * into a specified Kml file
+ */
+public class KmlExporter
+{
+ private App _app = null;
+ private JFrame _parentFrame = null;
+ private Track _track = null;
+ private JFileChooser _fileChooser = null;
+
+
+ /**
+ * Constructor giving App object, frame and track
+ * @param inApp application object to inform of success
+ * @param inParentFrame parent frame
+ * @param inTrack track object to save
+ */
+ public KmlExporter(App inApp, JFrame inParentFrame, Track inTrack)
+ {
+ _app = inApp;
+ _parentFrame = inParentFrame;
+ _track = inTrack;
+ }
+
+
+ /**
+ * Show the dialog to select options and export file
+ */
+ public boolean showDialog()
+ {
+ boolean fileSaved = false;
+ Object description = JOptionPane.showInputDialog(_parentFrame,
+ I18nManager.getText("dialog.exportkml.text"),
+ I18nManager.getText("dialog.exportkml.title"),
+ JOptionPane.QUESTION_MESSAGE, null, null, "");
+ if (description != null)
+ {
+ // OK pressed, so choose output file
+ if (_fileChooser == null)
+ _fileChooser = new JFileChooser();
+ _fileChooser.setDialogType(JFileChooser.SAVE_DIALOG);
+ _fileChooser.setFileFilter(new FileFilter() {
+ public boolean accept(File f)
+ {
+ return (f != null && (f.isDirectory() || f.getName().toLowerCase().endsWith(".kml")));
+ }
+ public String getDescription()
+ {
+ return "KML files";
+ }
+ });
+ _fileChooser.setAcceptAllFileFilterUsed(false);
+ // Allow choose again if an existing file is selected
+ boolean chooseAgain = false;
+ do
+ {
+ chooseAgain = false;
+ if (_fileChooser.showSaveDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
+ {
+ // OK pressed and file chosen
+ File file = _fileChooser.getSelectedFile();
+ if (!file.getName().toLowerCase().endsWith(".kml"))
+ {
+ file = new File(file.getAbsolutePath() + ".kml");
+ }
+ // Check if file exists - if so don't overwrite
+ if (file.exists())
+ {
+ JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("error.save.fileexists"),
+ I18nManager.getText("error.save.dialogtitle"), JOptionPane.ERROR_MESSAGE);
+ chooseAgain = true;
+ }
+ else
+ {
+ if (exportFile(file, description.toString()))
+ {
+ fileSaved = true;
+ }
+ else
+ {
+ chooseAgain = true;
+ }
+ }
+ }
+ } while (chooseAgain);
+ }
+ return fileSaved;
+ }
+
+
+ /**
+ * Export the track data to the specified file with description
+ * @param inFile File object to save to
+ * @param inDescription description to use, if any
+ */
+ private boolean exportFile(File inFile, String inDescription)
+ {
+ try
+ {
+ FileWriter writer = new FileWriter(inFile);
+ writer.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<kml xmlns=\"http://earth.google.com/kml/2.1\">\n<Folder>\n");
+ writer.write("\t<name>");
+ writer.write(inDescription);
+ writer.write("</name>\n");
+
+ int i = 0;
+ DataPoint point = null;
+ boolean hasTrackpoints = false;
+ // Loop over waypoints
+ int numPoints = _track.getNumPoints();
+ for (i=0; i<numPoints; i++)
+ {
+ point = _track.getPoint(i);
+ if (point.isWaypoint())
+ {
+ exportWaypoint(point, writer);
+ }
+ else
+ {
+ hasTrackpoints = true;
+ }
+ }
+ if (hasTrackpoints)
+ {
+ writer.write("\t<Placemark>\n\t\t<name>track</name>\n\t\t<Style>\n\t\t\t<LineStyle>\n"
+ + "\t\t\t\t<color>cc0000cc</color>\n\t\t\t\t<width>4</width>\n\t\t\t</LineStyle>\n"
+ + "\t\t</Style>\n\t\t<LineString>\n\t\t\t<coordinates>");
+ // Loop over track points
+ for (i=0; i<numPoints; i++)
+ {
+ point = _track.getPoint(i);
+ if (!point.isWaypoint())
+ {
+ exportTrackpoint(point, writer);
+ }
+ }
+ writer.write("\t\t\t</coordinates>\n\t\t</LineString>\n\t</Placemark>");
+ }
+ writer.write("</Folder>\n</kml>");
+ writer.close();
+ JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("dialog.save.ok1")
+ + " " + numPoints + " " + I18nManager.getText("dialog.save.ok2")
+ + inFile.getAbsolutePath(),
+ I18nManager.getText("dialog.save.oktitle"), JOptionPane.INFORMATION_MESSAGE);
+ return true;
+ }
+ catch (IOException ioe)
+ {
+ JOptionPane.showMessageDialog(_parentFrame, I18nManager.getText("error.save.failed") + ioe.getMessage(),
+ I18nManager.getText("error.save.dialogtitle"), JOptionPane.ERROR_MESSAGE);
+ }
+ return false;
+ }
+
+
+ /**
+ * Export the specified waypoint into the file
+ * @param inPoint waypoint to export
+ * @param inWriter writer object
+ */
+ private void exportWaypoint(DataPoint inPoint, Writer inWriter) throws IOException
+ {
+ inWriter.write("\t<Placemark>\n\t\t<name>");
+ inWriter.write(inPoint.getFieldValue(Field.WAYPT_NAME).trim());
+ inWriter.write("</name>\n");
+ inWriter.write("\t\t<Point>\n\t\t\t<coordinates>");
+ inWriter.write(inPoint.getLongitude().output(Coordinate.FORMAT_DEG_WITHOUT_CARDINAL));
+ inWriter.write(',');
+ inWriter.write(inPoint.getLatitude().output(Coordinate.FORMAT_DEG_WITHOUT_CARDINAL));
+ inWriter.write(",0</coordinates>\n\t\t</Point>\n\t</Placemark>\n");
+ }
+
+
+ /**
+ * Export the specified trackpoint into the file
+ * @param inPoint trackpoint to export
+ * @param inWriter writer object
+ */
+ private void exportTrackpoint(DataPoint inPoint, Writer inWriter) throws IOException
+ {
+ inWriter.write(inPoint.getLongitude().output(Coordinate.FORMAT_DEG_WITHOUT_CARDINAL));
+ inWriter.write(',');
+ inWriter.write(inPoint.getLatitude().output(Coordinate.FORMAT_DEG_WITHOUT_CARDINAL));
+ // Altitude not exported, locked to ground by Google Earth
+ inWriter.write(",0\n");
+ }
+}
projects / GpsPrune.git / blobdiff