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package tim.prune.load;
import java.io.File;
import java.util.ArrayList;
import javax.swing.JFileChooser;
import tim.prune.App;
import tim.prune.I18nManager;
import tim.prune.cmd.Command;
import tim.prune.cmd.LoadPhotosWithPointsCmd;
import tim.prune.config.Config;
import tim.prune.data.Photo;
import tim.prune.load.json.JsonFileLoader;
import tim.prune.load.xml.GzipFileLoader;
import tim.prune.load.xml.XmlFileLoader;
import tim.prune.load.xml.ZipFileLoader;
/**
* Generic FileLoader class to select a file
* and pass handling on to appropriate loader
*/
public class FileLoader
{
private final App _app;
private JFileChooser _fileChooser = null;
private final TextFileLoader _textFileLoader;
private final NmeaFileLoader _nmeaFileLoader;
private final XmlFileLoader _xmlFileLoader;
private final ZipFileLoader _zipFileLoader;
private final GzipFileLoader _gzipFileLoader;
/**
* Constructor
* @param inApp Application object to inform of track load
*/
public FileLoader(App inApp)
{
_app = inApp;
_textFileLoader = new TextFileLoader(inApp);
_nmeaFileLoader = new NmeaFileLoader(inApp);
_xmlFileLoader = new XmlFileLoader(inApp);
_zipFileLoader = new ZipFileLoader(inApp, _xmlFileLoader);
_gzipFileLoader = new GzipFileLoader(inApp, _xmlFileLoader);
}
/**
* Select an input file and open the GUI frame
* to select load options
*/
public void openFile()
{
// Construct file chooser if necessary
if (_fileChooser == null)
{
_fileChooser = new JFileChooser();
_fileChooser.addChoosableFileFilter(new GenericFileFilter("filetypefilter.txt", new String[] {"txt", "text"}));
_fileChooser.addChoosableFileFilter(new GenericFileFilter("filetypefilter.gpx", new String[] {"gpx"}));
_fileChooser.addChoosableFileFilter(new GenericFileFilter("filetypefilter.kml", new String[] {"kml"}));
_fileChooser.addChoosableFileFilter(new GenericFileFilter("filetypefilter.kmz", new String[] {"kmz"}));
_fileChooser.setAcceptAllFileFilterUsed(true);
_fileChooser.setFileFilter(_fileChooser.getAcceptAllFileFilter()); // For some reason seems necessary
// start from directory in config if already set (by load jpegs)
Config config = _app.getConfig();
String configDir = config.getConfigString(Config.KEY_TRACK_DIR);
if (configDir == null) {configDir = config.getConfigString(Config.KEY_PHOTO_DIR);}
if (configDir != null) {
_fileChooser.setCurrentDirectory(new File(configDir));
}
_fileChooser.setMultiSelectionEnabled(true); // Allow multiple selections
}
// Show the open dialog
if (_fileChooser.showOpenDialog(_app.getFrame()) == JFileChooser.APPROVE_OPTION)
{
File[] files = _fileChooser.getSelectedFiles();
// Loop through files looking for files which exist and are readable
ArrayList<File> dataFiles = new ArrayList<>();
if (files != null)
{
for (File file : files)
{
if (file.exists() && file.isFile() && file.canRead()) {
dataFiles.add(file);
}
}
}
if (dataFiles.size() > 0) {
_app.loadDataFiles(dataFiles);
}
else
{
// couldn't find any files to load - show error message
_app.showErrorMessage("error.load.dialogtitle", "error.load.noread");
}
}
}
/**
* Open the selected input file
* @param inFile file to open
* @param inAutoAppend true to automatically append without asking
*/
public void openFile(File inFile, boolean inAutoAppend)
{
// Store directory in config for later
File parentDir = inFile.getParentFile();
if (parentDir != null) {
_app.getConfig().setConfigString(Config.KEY_TRACK_DIR, parentDir.getAbsolutePath());
}
FileToBeLoaded fileLock = new FileToBeLoaded(inFile, _app::informDataLoadComplete);
// Check file type to see if it's xml or just normal text
String fileExtension = inFile.getName().toLowerCase();
if (fileExtension.length() > 4) {
fileExtension = fileExtension.substring(fileExtension.length() - 4);
}
if (fileExtension.equals(".kml") || fileExtension.equals(".gpx")
|| fileExtension.equals(".xml"))
{
// Use xml loader for kml, gpx and xml filenames
_xmlFileLoader.openFile(fileLock, inAutoAppend);
}
else if (fileExtension.equals(".kmz") || fileExtension.equals(".zip"))
{
// Use zip loader for zipped kml (or zipped gpx)
_zipFileLoader.openFile(fileLock, inAutoAppend);
}
else if (fileExtension.endsWith(".gz") || fileExtension.equals("gzip"))
{
// Use gzip loader for gzipped xml
_gzipFileLoader.openFile(fileLock, inAutoAppend);
}
else if (fileExtension.equals("nmea"))
{
_nmeaFileLoader.openFile(fileLock, inAutoAppend);
}
else if (fileExtension.equals(".jpg") || fileExtension.equals("jpeg"))
{
Photo photo = JpegLoader.createPhoto(inFile);
Command command = new LoadPhotosWithPointsCmd(photo);
command.setDescription(I18nManager.getText("undo.loadphoto", inFile.getName()));
command.setConfirmText(I18nManager.getText("confirm.jpegload.single"));
_app.execute(command);
}
else if (fileExtension.equals("json"))
{
new JsonFileLoader(_app).openFile(fileLock, inAutoAppend);
}
else
{
// Use text loader for everything else
_textFileLoader.openFile(fileLock, inAutoAppend);
}
// Release our lock, maybe the file type loader has its own now
fileLock.release();
}
/**
* @return the last delimiter character used for a text file load
*/
public char getLastUsedDelimiter() {
return _textFileLoader.getLastUsedDelimiter();
}
}
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