onDataSourceSuccess method

Implementation

@override
Future<bool> onDataSourceSuccess(IDataSource? source, Data? list) async
{
  try
  {
    if (prototype == null) return true;

    // clear options
    this.options.forEach((option) => option.dispose());
    this.options.clear();

    int i = 0;
    if (addempty == true)
    {
      options.add(OptionModel(this, "${this.id}-$i", value: ''));
      i = i + 1;
    }

    // build options
    if ((list != null) && (source != null))
    {
      // build options
      list.forEach((row)
      {
        XmlElement? prototype = S.fromPrototype(this.prototype, "${this.id}-$i");
        i = i + 1;
        var model = OptionModel.fromXml(this, prototype, data: row);
        if (model != null) options.add(model);
      });
    }

    // sets the data
    setData();

    // notify listeners
    notifyListeners('options', options);
  }
  catch(e)
  {
    Log().error('Error building list. Error is $e');
  }
  return true;
}