/** Shows a file dialog and opens a drawing. */
public void promptOpen() {
toolDone();
JFileChooser openDialog = createOpenFileChooser();
getStorageFormatManager().registerFileFilters(openDialog);
if (openDialog.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
StorageFormat foundFormat =
getStorageFormatManager().findStorageFormat(openDialog.getFileFilter());
if (foundFormat != null) {
loadDrawing(foundFormat, openDialog.getSelectedFile().getAbsolutePath());
} else {
showStatus("Not a valid file format: " + openDialog.getFileFilter().getDescription());
}
}
}
