1 package tim.prune.load;
4 import java.util.ArrayList;
5 import java.util.TreeSet;
7 import javax.swing.JFileChooser;
8 import javax.swing.JFrame;
11 import tim.prune.config.Config;
12 import tim.prune.data.Photo;
13 import tim.prune.load.xml.GzipFileLoader;
14 import tim.prune.load.xml.XmlFileLoader;
15 import tim.prune.load.xml.ZipFileLoader;
19 * Generic FileLoader class to select a file
20 * and pass handling on to appropriate loader
22 public class FileLoader
25 private JFileChooser _fileChooser = null;
26 private JFrame _parentFrame;
27 private TextFileLoader _textFileLoader = null;
28 private NmeaFileLoader _nmeaFileLoader = null;
29 private XmlFileLoader _xmlFileLoader = null;
30 private ZipFileLoader _zipFileLoader = null;
31 private GzipFileLoader _gzipFileLoader = null;
36 * @param inApp Application object to inform of track load
37 * @param inParentFrame parent frame to reference for dialogs
39 public FileLoader(App inApp, JFrame inParentFrame)
42 _parentFrame = inParentFrame;
43 _textFileLoader = new TextFileLoader(inApp, inParentFrame);
44 _nmeaFileLoader = new NmeaFileLoader(inApp);
45 _xmlFileLoader = new XmlFileLoader(inApp);
46 _zipFileLoader = new ZipFileLoader(inApp, _xmlFileLoader);
47 _gzipFileLoader = new GzipFileLoader(inApp, _xmlFileLoader);
52 * Select an input file and open the GUI frame
53 * to select load options
55 public void openFile()
57 // Construct file chooser if necessary
58 if (_fileChooser == null)
60 _fileChooser = new JFileChooser();
61 _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.txt", new String[] {"txt", "text"}));
62 _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.gpx", new String[] {"gpx"}));
63 _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.kml", new String[] {"kml"}));
64 _fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.kmz", new String[] {"kmz"}));
65 _fileChooser.setAcceptAllFileFilterUsed(true);
66 _fileChooser.setFileFilter(_fileChooser.getAcceptAllFileFilter()); // For some reason seems necessary
67 // start from directory in config if already set (by load jpegs)
68 String configDir = Config.getConfigString(Config.KEY_TRACK_DIR);
69 if (configDir == null) {configDir = Config.getConfigString(Config.KEY_PHOTO_DIR);}
70 if (configDir != null) {_fileChooser.setCurrentDirectory(new File(configDir));}
71 _fileChooser.setMultiSelectionEnabled(true); // Allow multiple selections
73 // Show the open dialog
74 if (_fileChooser.showOpenDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
76 File[] files = _fileChooser.getSelectedFiles();
77 // Loop through files looking for files which exist and are readable
78 ArrayList<File> dataFiles = new ArrayList<File>();
81 for (int i=0; i<files.length; i++)
84 if (file.exists() && file.isFile() && file.canRead())
90 if (dataFiles.size() > 0) {
91 _app.loadDataFiles(dataFiles);
95 // couldn't find any files to load - show error message
96 _app.showErrorMessage("error.load.dialogtitle", "error.load.noread");
102 * Open the selected input file
103 * @param inFile file to open
105 public void openFile(File inFile)
107 // Store directory in config for later
108 File parent = inFile.getParentFile();
109 if (parent != null) {
110 Config.setConfigString(Config.KEY_TRACK_DIR, parent.getAbsolutePath());
112 // Check file type to see if it's xml or just normal text
113 String fileExtension = inFile.getName().toLowerCase();
114 if (fileExtension.length() > 4) {
115 fileExtension = fileExtension.substring(fileExtension.length() - 4);
117 if (fileExtension.equals(".kml") || fileExtension.equals(".gpx")
118 || fileExtension.equals(".xml"))
120 // Use xml loader for kml, gpx and xml filenames
121 _xmlFileLoader.openFile(inFile);
123 else if (fileExtension.equals(".kmz") || fileExtension.equals(".zip"))
125 // Use zip loader for zipped kml (or zipped gpx)
126 _zipFileLoader.openFile(inFile);
128 else if (fileExtension.endsWith(".gz") || fileExtension.equals("gzip"))
130 // Use gzip loader for gzipped xml
131 _gzipFileLoader.openFile(inFile);
133 else if (fileExtension.equals("nmea"))
135 _nmeaFileLoader.openFile(inFile);
137 else if (fileExtension.equals(".jpg") || fileExtension.equals("jpeg"))
139 Photo photo = JpegLoader.createPhoto(inFile);
140 TreeSet<Photo> photoSet = new TreeSet<Photo>();
142 _app.informPhotosLoaded(photoSet);
143 _app.informNoDataLoaded(); // To trigger load of next file if any
147 // Use text loader for everything else
148 _textFileLoader.openFile(inFile);
153 * @return the last delimiter character used for a text file load
155 public char getLastUsedDelimiter()
157 return _textFileLoader.getLastUsedDelimiter();