public override IEnumerable <TreeNodeViewModel> VisitNodeAndBuildChildren(DacGroupingNodeForFieldEventViewModel dacGroupingNode,
bool expandChildren, CancellationToken cancellation)
{
return(CreateDacChildrenForFieldEvents(dacGroupingNode,
constructor: (dacVm, dacFieldName, dacFieldEvents, isExpanded) =>
new DacFieldGroupingNodeForFieldEventViewModel(dacVm, dacFieldName, dacFieldEvents, isExpanded),
expandChildren, cancellation));
}
public override List <TreeNodeViewModel> VisitNode(DacGroupingNodeForFieldEventViewModel dacGroupingNode,
IEnumerable <TreeNodeViewModel> generatedChildren)
{
SortType oldSortType = SortType;
try
{
SortType = SortType.Alphabet;
return(base.VisitNode(dacGroupingNode, generatedChildren));
}
finally
{
SortType = oldSortType;
}
}
public virtual TResult VisitNode(DacGroupingNodeForFieldEventViewModel dacGroupingNode) => DefaultVisit(dacGroupingNode);
protected virtual IEnumerable <TreeNodeViewModel> CreateDacChildrenForFieldEvents(DacGroupingNodeForFieldEventViewModel dacEventsGroupingNode,
DacFieldVmConstructor constructor, bool expandChildren,
CancellationToken cancellation)
{
return(from eventInfo in dacEventsGroupingNode.AllFieldEvents
group eventInfo by eventInfo.DacFieldName
into dacFieldEvents
select constructor(dacEventsGroupingNode, dacFieldEvents.Key, dacFieldEvents, expandChildren)
into dacFieldNodeVM
where !dacFieldNodeVM.DacFieldName.IsNullOrEmpty()
orderby dacFieldNodeVM.DacFieldName ascending
select dacFieldNodeVM);
}
public virtual IEnumerable <TreeNodeViewModel> VisitNodeAndBuildChildren(DacGroupingNodeForFieldEventViewModel dacGroupingNode, bool expandChildren,
CancellationToken cancellation) =>
Enumerable.Empty <TreeNodeViewModel>();