// Loop over the constraint properties
public void loop_over_constraintVM(SnapViewDirector svd)
{
// Loop over properties in ViewModel looking for BaseConstraintViewModel objects
foreach (var prop in typeof(PlayerStatViewModel).GetProperties())
{
if (prop.GetValue(this) is BaseConstraintViewModel)
{
BaseConstraintViewModel bvm = (BaseConstraintViewModel)prop.GetValue(this);
// Generate a concrete ConstraintMC based on this viewmodel
// Two purposes for this:
// i) Use it to search for an exisiting Constraint in the svd
// ii) If this constraint is active in the viewmodel, this new MC will be attached to the svd
ConstraintMC cmc_vm = bvm.generate_ConstraintMC(svd);
// Search for ConstraintMC matching this one - look for underlying action type matching.
ConstraintMC cmc_svd = svd.get_matching_ConstraintMC(cmc_vm);
// If we found a ConstraintMC with the same underlying Constraint
// then detach it from the svd to prepare for the new one.
// Or we don't need a constraint of this type at all if this constraint is disabled in the viewmodel
// In either case we need to detach it.
if (cmc_svd != null)
{
svd.Detach(cmc_svd);
}
// Now the existing svd version is detached if found, we attach the new one if needed
if (bvm.active)
{
svd.Attach(cmc_vm);
}
} //if BaseConstraintViewModel
} //foreach
} //method
public ConstraintMC get_matching_ConstraintMC(ConstraintMC target_cmc)
{
foreach (MediatorColleague mc in mcList)
{
if (mc is ConstraintMC)
{
ConstraintMC cmc = (ConstraintMC)mc;
if (cmc.get_action().GetType().Name == target_cmc.get_action().GetType().Name) return cmc;
}
}
return null;
}
