int columnIndex = tablePane.getColumnAt(contextMenuHandler.getX());
Component component = tablePane.getCellComponent(rowIndex, columnIndex);
wtkxSerializer.put("component", component);
try {
sheet = (Sheet)wtkxSerializer.readObject(this, "table_panes_configure_cell.wtkx");
} catch (SerializationException exception) {
throw new RuntimeException(exception);
} catch (IOException exception) {
throw new RuntimeException(exception);
}