public OpenGdmsFilePanel(String title, DriverManager driverManager) { super(OPEN_GDMS_FILE_PANEL, title); Driver[] filtered = driverManager.getDrivers(new FileDriverFilter()); for (int i = 0; i < filtered.length; i++) { FileDriver fileDriver = (FileDriver) filtered[i]; String[] extensions = fileDriver.getFileExtensions(); this.addFilter(extensions, fileDriver.getTypeDescription()); } }