protected override bool InternalCanCreateInstance(ISceneInsertionPoint insertionPoint)
{
if (!this.IsInsertionPointValid(insertionPoint))
{
return(false);
}
SceneNode sceneNode = insertionPoint.SceneNode;
DocumentNodePath documentNodePath = sceneNode.DocumentNodePath;
DocumentNode nodeBeingLookedFor = new ExpressionEvaluator(sceneNode.ViewModel.DocumentRootResolver).EvaluateResource(documentNodePath, this.ResourceModel.KeyNode);
return(!documentNodePath.Contains(nodeBeingLookedFor));
}
public static bool ShouldSetEditingContextToNodePath(DocumentNodePath valuePath, SceneElement targetElement, ReferenceStep targetProperty)
{
if (valuePath != null)
{
DocumentNode node = valuePath.Node;
if (node != null && (PlatformTypes.FrameworkTemplate.IsAssignableFrom((ITypeId)node.Type) || PlatformTypes.Style.IsAssignableFrom((ITypeId)node.Type) && node is DocumentCompositeNode && (!targetProperty.Equals((object)BaseFrameworkElement.StyleProperty) || !PlatformTypes.Style.IsAssignableFrom((ITypeId)targetElement.Type))) && !ControlStylingOperations.IsInsideDefaultStyleOrTemplate(valuePath))
{
DocumentNodePath containerOwnerPath = valuePath.GetContainerOwnerPath();
if (!valuePath.IsValid())
{
return(false);
}
if (containerOwnerPath != null)
{
return(!containerOwnerPath.Contains(valuePath.Node));
}
return(true);
}
}
return(false);
}