private void UpdateOperatorComboBox()
{
if (conditionComboBox.SelectedItem == null)
{
return;
}
string conditionName = conditionComboBox.SelectedItem.ToString();
IConditionDef conditionDef =
RuleEngine.GetConditionManager().GetConditionDef(conditionName);
if (conditionDef is AbstractAtomicConditionDef)
{
// Init Operators
List <IOperator> operatorList =
RuleEngine.GetOperatorManager().GetPossibleOperatorList(conditionDef);
operatorComboBox.Items.Clear();
foreach (IOperator Operator in operatorList)
{
operatorComboBox.Items.Add(Operator.GetOperatorName());
}
// default for operator
if (operatorComboBox.Items.Count != 0)
{
operatorComboBox.SelectedIndex = 0;
}
else
{
operatorComboBox.SelectedIndex = -1;
}
}
}
private List <string> GetOperatorKeywords()
{
if (m_operatorKeywords == null)
{
m_operatorKeywords = new List <string>();
// operator key words
List <IOperator> operatorList =
RuleEngine.GetOperatorManager().GetAllOperatorList();
foreach (IOperator iOperator in operatorList)
{
m_operatorKeywords.Add(iOperator.GetOperatorName());
}
}
return(m_operatorKeywords);
}
internal ICondition GetCondition()
{
if (conditionComboBox.SelectedItem == null)
{
return(null);
}
AbstractConditionManager conditionManager = RuleEngine.GetConditionManager();
ICondition condition =
conditionManager.CreateCondition(conditionComboBox.SelectedItem.ToString());
if (condition is AbstractAtomicCondition)
{
AbstractAtomicCondition atomicCondition =
condition as AbstractAtomicCondition;
if (operatorComboBox.SelectedItem == null)
{
return(null);
}
string operatorName = operatorComboBox.SelectedItem.ToString();
atomicCondition.Operator = RuleEngine.GetOperatorManager().GetOperator(operatorName);
if (atomicCondition is NativeParameterIndexCondition)
{
atomicCondition.Value = "" + parameterIndexNumericUpDown.Value;
}
else
{
if (valueComboBox.Text.Trim().Equals(""))
{
return(null);
}
atomicCondition.Value = valueComboBox.Text;
}
return(atomicCondition);
}
else
{
return(condition);
}
}
