Variant GetDPByExpExpression::Evaluate(Expressive::EvalContext* context)
{
Object* obj = m_object->Evaluate(context);
DependencyObject* depObj = dynamic_cast<DependencyObject*>(obj);
if (depObj == NULL)
{
VERIFY(0);
}
Variant propertyRef = m_exp->Evaluate(context);
PropertyValue* pProperty;
if (propertyRef.IsString())
pProperty = depObj->GetProperty(depObj->GetClass()->GetLocalProperty(propertyRef.ToString()));
else if (propertyRef.IsInt())
pProperty = depObj->GetProperty(depObj->GetClass()->GetLocalProperty((int)propertyRef));
else
throw new Exception("property not found");
return pProperty->GetComputedValue();
}
bool GetDPByExpExpression::Set(Expressive::EvalContext* context, Variant value)
{
Object* obj = m_object->Evaluate(context);
DependencyObject* depObj = dynamic_cast<DependencyObject*>(obj);
if (depObj == NULL)
{
VERIFY(0);
}
Variant propertyRef = m_exp->Evaluate(context);
PropertyValue* pProperty;
if (propertyRef.IsString())
pProperty = depObj->GetProperty(depObj->GetClass()->GetLocalProperty(propertyRef.ToString()));
else if (propertyRef.IsInt())
pProperty = depObj->GetProperty(depObj->GetClass()->GetLocalProperty(int(propertyRef)));
else
raise(Exception("property not found"));
pProperty->UpdateValue(value);
return true;
}