X-Git-Url: https://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fload%2FFileLoader.java;fp=src%2Ftim%2Fprune%2Fload%2FFileLoader.java;h=52bdef232942f0c5290d2c8160dccba45ce0ef92;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/load/FileLoader.java b/src/tim/prune/load/FileLoader.java
new file mode 100644
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--- /dev/null
+++ b/src/tim/prune/load/FileLoader.java
@@ -0,0 +1,159 @@
+package tim.prune.load;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.TreeSet;
+
+import javax.swing.JFileChooser;
+import javax.swing.JFrame;
+
+import tim.prune.App;
+import tim.prune.config.Config;
+import tim.prune.data.Photo;
+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 App _app;
+	private JFileChooser _fileChooser = null;
+	private JFrame _parentFrame;
+	private TextFileLoader _textFileLoader = null;
+	private NmeaFileLoader _nmeaFileLoader = null;
+	private XmlFileLoader _xmlFileLoader = null;
+	private ZipFileLoader _zipFileLoader = null;
+	private GzipFileLoader _gzipFileLoader = null;
+
+
+	/**
+	 * Constructor
+	 * @param inApp Application object to inform of track load
+	 * @param inParentFrame parent frame to reference for dialogs
+	 */
+	public FileLoader(App inApp, JFrame inParentFrame)
+	{
+		_app = inApp;
+		_parentFrame = inParentFrame;
+		_textFileLoader = new TextFileLoader(inApp, inParentFrame);
+		_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("filetype.txt", new String[] {"txt", "text"}));
+			_fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.gpx", new String[] {"gpx"}));
+			_fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.kml", new String[] {"kml"}));
+			_fileChooser.addChoosableFileFilter(new GenericFileFilter("filetype.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)
+			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(_parentFrame) == JFileChooser.APPROVE_OPTION)
+		{
+			File[] files = _fileChooser.getSelectedFiles();
+			// Loop through files looking for files which exist and are readable
+			ArrayList<File> dataFiles = new ArrayList<File>();
+			if (files != null)
+			{
+				for (int i=0; i<files.length; i++)
+				{
+					File file = files[i];
+					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
+	 */
+	public void openFile(File inFile)
+	{
+		// Store directory in config for later
+		File parent = inFile.getParentFile();
+		if (parent != null) {
+			Config.setConfigString(Config.KEY_TRACK_DIR, parent.getAbsolutePath());
+		}
+		// 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(inFile);
+		}
+		else if (fileExtension.equals(".kmz") || fileExtension.equals(".zip"))
+		{
+			// Use zip loader for zipped kml (or zipped gpx)
+			_zipFileLoader.openFile(inFile);
+		}
+		else if (fileExtension.endsWith(".gz") || fileExtension.equals("gzip"))
+		{
+			// Use gzip loader for gzipped xml
+			_gzipFileLoader.openFile(inFile);
+		}
+		else if (fileExtension.equals("nmea"))
+		{
+			_nmeaFileLoader.openFile(inFile);
+		}
+		else if (fileExtension.equals(".jpg") || fileExtension.equals("jpeg"))
+		{
+			Photo photo = JpegLoader.createPhoto(inFile);
+			TreeSet<Photo> photoSet = new TreeSet<Photo>(new MediaSorter());
+			photoSet.add(photo);
+			_app.informPhotosLoaded(photoSet);
+			_app.informNoDataLoaded(); // To trigger load of next file if any
+		}
+		else
+		{
+			// Use text loader for everything else
+			_textFileLoader.openFile(inFile);
+		}
+	}
+
+	/**
+	 * @return the last delimiter character used for a text file load
+	 */
+	public char getLastUsedDelimiter()
+	{
+		return _textFileLoader.getLastUsedDelimiter();
+	}
+}