private void saveColumnVisibility() {
final boolean[] columnVisibility = new boolean[treeTableView.getColumns().size()];
for (int i = 0; i < columnVisibility.length; i++) {
columnVisibility[i] = treeTableView.getColumns().get(i).isVisible();
}
preferences.put(COLUMN_VISIBILITY, EncodeDecode.encodeBooleanArray(columnVisibility));
}
private void restoreColumnVisibility() {
final String result = preferences.get(COLUMN_VISIBILITY, null);
if (result != null) {
boolean[] columnVisibility = EncodeDecode.decodeBooleanArray(result);
if (columnVisibility.length == treeTableView.getColumns().size()) {
for (int i = 0; i < columnVisibility.length; i++) {
treeTableView.getColumns().get(i).setVisible(columnVisibility[i]);
}
}
}
}