private static void GetSuperTypes(
[NotNull] ITypeElement typeElement,
BaseTypeDisplayKind baseTypeDisplayKind,
ImplementedInterfacesDisplayKind implementedInterfacesDisplayKind,
[CanBeNull] out DeclaredElementInstance baseType,
[NotNull] out IList <DeclaredElementInstance> implementedInterfaces)
{
baseType = null;
implementedInterfaces = EmptyList <DeclaredElementInstance> .InstanceList;
var searchForBaseType = baseTypeDisplayKind != BaseTypeDisplayKind.Never && typeElement is IClass;
bool searchForImplementedInterfaces = implementedInterfacesDisplayKind != ImplementedInterfacesDisplayKind.Never;
if (!searchForBaseType && !searchForImplementedInterfaces)
{
return;
}
var foundInterfaces = new LocalList <DeclaredElementInstance>();
foreach (var superType in typeElement.GetAllSuperTypes())
{
ITypeElement superTypeElement = superType.GetTypeElement();
if (superTypeElement is IClass || superTypeElement is IDelegate)
{
if (searchForBaseType)
{
searchForBaseType = false;
if (MatchesBaseTypeDisplayKind(superTypeElement, baseTypeDisplayKind))
{
baseType = new DeclaredElementInstance(superTypeElement, superType.GetSubstitution());
}
if (!searchForImplementedInterfaces)
{
return;
}
}
continue;
}
if (searchForImplementedInterfaces &&
superTypeElement is IInterface @interface &&
MatchesImplementedInterfacesDisplayKind(@interface, implementedInterfacesDisplayKind))
{
foundInterfaces.Add(new DeclaredElementInstance(superTypeElement, superType.GetSubstitution()));
}
}
implementedInterfaces = foundInterfaces.ResultingList();
}
private void AddSuperTypes(
[NotNull] IdentifierTooltipContent identifierContent,
[NotNull] ITypeElement typeElement,
BaseTypeDisplayKind baseTypeDisplayKind,
ImplementedInterfacesDisplayKind implementedInterfacesDisplayKind,
[NotNull] PsiLanguageType languageType,
[NotNull] ITreeNode contextualNode,
[NotNull] HighlighterIdProvider highlighterIdProvider,
[NotNull] IContextBoundSettingsStore settings)
{
GetSuperTypes(
typeElement,
baseTypeDisplayKind,
implementedInterfacesDisplayKind,
out DeclaredElementInstance baseType,
out IList <DeclaredElementInstance> implementedInterfaces);
if (baseType == null && implementedInterfaces.Count == 0)
{
return;
}
PresenterOptions presenterOptions = PresenterOptions.ForBaseTypeOrImplementedInterfaceTooltip(settings);
if (baseType != null)
{
identifierContent.BaseType = _colorizerPresenter.TryPresent(baseType, presenterOptions, languageType, highlighterIdProvider, contextualNode, out _);
}
if (implementedInterfaces.Count > 0)
{
var sortedPresentedInterfaces = new SortedDictionary <string, RichText>(StringComparer.Ordinal);
foreach (DeclaredElementInstance implementedInterface in implementedInterfaces)
{
RichText richText = _colorizerPresenter.TryPresent(implementedInterface, presenterOptions, languageType, highlighterIdProvider, contextualNode, out _);
if (richText != null)
{
sortedPresentedInterfaces[richText.ToString(false)] = richText;
}
}
foreach (RichText richText in sortedPresentedInterfaces.Values)
{
identifierContent.ImplementedInterfaces.Add(richText);
}
}
}
private static bool MatchesBaseTypeDisplayKind([NotNull] ITypeElement typeElement, BaseTypeDisplayKind displayKind)
{
switch (displayKind)
{
case BaseTypeDisplayKind.Never:
return(false);
case BaseTypeDisplayKind.SolutionCode:
return(!(typeElement is ICompiledElement));
case BaseTypeDisplayKind.SolutionCodeAndNonSystemExternalCode:
return(!(typeElement is ICompiledElement && typeElement.IsInSystemLikeNamespace()));
case BaseTypeDisplayKind.OnlyIfNotSystemObject:
return(!typeElement.IsObjectClass());
case BaseTypeDisplayKind.Always:
return(true);
default:
return(false);
}
}