public static bool CanHaveChildren(Type type)
{
for (var p = type; p != null; p = p.BaseType)
{
var a = ClassAttributes <AllowedChildrenTypes> .Get(p);
if (a != null)
{
return(a.Types.Length > 0);
}
}
return(false);
}
public static bool ValidateComponentType(Type nodeType, Type componentType)
{
for (var t = componentType; t != null && t != typeof(NodeComponent); t = t.BaseType)
{
var a = ClassAttributes <AllowedComponentOwnerTypes> .Get(t);
if (a != null)
{
return(a.Types.Any(ownerType => ownerType.IsAssignableFrom(nodeType)));
}
}
return(true);
}
static bool ValidateParentType(Type parentType, Type childType)
{
for (var p = childType; p != null; p = p.BaseType)
{
var a = ClassAttributes <AllowedParentTypes> .Get(p);
if (a != null)
{
return(a.Types.Any(t => parentType == t || parentType.IsSubclassOf(t)));
}
}
return(true);
}
private static bool ValidateChildType(Type parentType, Type childType)
{
for (var p = parentType; p != null; p = p.BaseType)
{
var a = ClassAttributes <TangerineAllowedChildrenTypes> .Get(p);
if (a != null)
{
return(a.Types.Any(t => childType == t || childType.IsSubclassOf(t)));
}
}
return(false);
}
public static bool IsPropertyReadOnly(this Widget widget, string property) => PropertyAttributes <TangerineReadOnlyAttribute> .Get(widget.GetType(), property) != null || (ClassAttributes <TangerineReadOnlyPropertiesAttribute> .Get(widget.GetType())?.Contains(property) ?? false);