public static SchemaMemberSelection CreateSelectionTree(object SourceObject, MemberAccesor SourceAccesor = null, IEnumerable <object> PreExclusion = null,
Func <object, Tuple <bool, // is-selectable
bool, // is-selected
bool, // can-show-is-selected
IRecognizableElement> // action-info
> MemberMergeSelectionDeterminer = null,
Func <object, MemberAccesor, bool> ChildrenFilter = null, // Determines whether a child should be included for selection (e.g. "obj is Concept || obj.CompositeIdeas.Count >0")
SchemaMemberSelection DirectParent = null)
{
if (SourceAccesor == null)
{
SourceAccesor = GetAccesor(SourceObject);
}
if (SourceAccesor == null)
{
return(null);
}
var Selection = (MemberMergeSelectionDeterminer == null
? Tuple.Create(false, false, false, (IRecognizableElement)null)
: MemberMergeSelectionDeterminer(SourceObject));
var Result = new SchemaMemberSelection(SourceObject, SourceAccesor)
{
RefMember = SourceObject,
IsSelectable = Selection.Item1,
IsSelected = (Selection.Item2 &&
(PreExclusion == null || !PreExclusion.Contains(SourceObject))),
CanShowIsSelected = Selection.Item3,
ActionInfo = Selection.Item4,
Parent = DirectParent
};
var SourceChildren = Result.MemberChildren;
if (!SourceChildren.IsEmpty())
{
Result.Children = new List <SchemaMemberSelection>();
foreach (var Child in SourceChildren)
{
var ChildAccesor = GetAccesor(Child);
if (ChildrenFilter == null || (ChildAccesor != null && ChildrenFilter(Child, ChildAccesor)))
{
var SelItem = CreateSelectionTree(Child, ChildAccesor, PreExclusion,
MemberMergeSelectionDeterminer, ChildrenFilter, Result);
if (SelItem != null)
{
Result.Children.Add(SelItem);
}
}
}
}
return(Result);
}
public static void RegisterMemberTypeOperationsSet <TMember>(Func <TMember, IEnumerable <object> > ChildrenGetterOp,
Func <TMember, string> NameCaptionGetterOp,
Func <TMember, string> SummaryGetterOp = null,
Func <TMember, ImageSource> PictogramGetterOp = null,
Func <TMember, string> DescriptiveCaptionGetterOp = null,
Func <TMember, ImageSource> DefinitorPictogramGetterOp = null)
where TMember : class
{
General.ContractRequiresNotNull(ChildrenGetterOp, NameCaptionGetterOp);
var Accesor = new MemberAccesor {
ChildrenGetter = (obj => ChildrenGetterOp((TMember)obj)),
NameCaptionGetter = (obj => NameCaptionGetterOp((TMember)obj)),
SummaryGetter = (obj => SummaryGetterOp.NullDefault(ob => null)((TMember)obj)),
PictogramGetter = (obj => PictogramGetterOp.NullDefault(ob => null)((TMember)obj)),
DescriptiveCaptionGetter = (obj => DescriptiveCaptionGetterOp.NullDefault(ob => null)((TMember)obj)),
DefinitorPictogramGetter = (obj => DefinitorPictogramGetterOp.NullDefault(ob => null)((TMember)obj))
};
RegisteredMemberTypeOperationsSets.AddOrReplace(typeof(TMember), Accesor);
}
// ---------------------------------------------------------------------------------------------------------------------------------------------------------
public SchemaMemberSelection(object RefMember, MemberAccesor Accesor)
{
this.RefMember = RefMember;
this.Accesor = Accesor;
}
