public override IEnumerable <TreeNodeViewModel> VisitNode(DacNodeViewModel dac)
{
foreach (DacMemberCategory dacMemberCategory in GetDacMemberCategoriesInOrder())
{
Cancellation.ThrowIfCancellationRequested();
var dacCategory = CreateCategory(dac, dacMemberCategory);
if (dacCategory != null)
{
yield return(dacCategory);
}
}
}
public override IEnumerable <TreeNodeViewModel> VisitNodeAndBuildChildren(DacNodeViewModel dac, bool expandChildren, CancellationToken cancellation)
{
foreach (DacMemberCategory dacMemberCategory in GetDacMemberCategoriesInOrder())
{
cancellation.ThrowIfCancellationRequested();
var dacCategory = CreateCategory(dac, dacMemberCategory, expandChildren);
if (dacCategory != null)
{
yield return(dacCategory);
}
}
}
protected virtual DacMemberCategoryNodeViewModel CreateCategory(DacNodeViewModel dac, DacMemberCategory dacMemberCategory, bool isExpanded)
{
switch (dacMemberCategory)
{
case DacMemberCategory.Keys:
return(new DacKeysCategoryNodeViewModel(dac, isExpanded));
case DacMemberCategory.Property:
return(new DacPropertiesCategoryNodeViewModel(dac, isExpanded));
case DacMemberCategory.FieldsWithoutProperty:
default:
return(null);
}
}
public DacPropertiesCategoryNodeViewModel(DacNodeViewModel dacViewModel, bool isExpanded) :
base(dacViewModel, DacMemberCategory.Property, isExpanded)
{
}
protected virtual DacMemberCategoryNodeViewModel CreateCategory(DacNodeViewModel dac, DacMemberCategory dacMemberCategory) =>
dacMemberCategory switch
{
public virtual IEnumerable <TreeNodeViewModel> VisitNodeAndBuildChildren(DacNodeViewModel dac, bool expandChildren,
CancellationToken cancellation) =>
Enumerable.Empty <TreeNodeViewModel>();
public virtual void VisitNode(DacNodeViewModel dac) => DefaultVisit(dac);
public DacKeysCategoryNodeViewModel(DacNodeViewModel dacViewModel, bool isExpanded) :
base(dacViewModel, DacMemberCategory.Keys, isExpanded)
{
}
public virtual TResult VisitNode(DacNodeViewModel dac, TInput input) => DefaultVisit(dac, input);
public DacInitializationAndActivationCategoryNodeViewModel(DacNodeViewModel dacViewModel, bool isExpanded) :
base(dacViewModel, DacMemberCategory.InitializationAndActivation, isExpanded)
{
}