private void DeleteCore(IEnumerable <AnnotationSceneNode> annotations)
{
ExceptionChecks.CheckNullArgument <IEnumerable <AnnotationSceneNode> >(annotations, "annotations");
ExceptionChecks.CheckEmptyListArgument <AnnotationSceneNode>(annotations, "annotations");
foreach (AnnotationSceneNode annotationSceneNode in Enumerable.ToList <AnnotationSceneNode>(annotations))
{
foreach (SceneElement element in Enumerable.ToList <SceneElement>(annotationSceneNode.AttachedElements))
{
AnnotationUtils.RemoveAnnotationReference(element, annotationSceneNode);
}
AnnotationManagerSceneNode.DeleteAnnotation(annotationSceneNode);
}
}
public void UnlinkAttachment(AnnotationSceneNode annotation, SceneElement target)
{
SceneViewModel viewModel = annotation.ViewModel;
using (SceneEditTransaction editTransaction = viewModel.CreateEditTransaction(StringTable.UnlinkAnnotationUndoUnit))
{
bool flag = AnnotationUtils.RemoveAnnotationReference(target, annotation);
if (target.Equals((object)annotation.Parent))
{
flag = true;
AnnotationManagerSceneNode.SetAnnotationParent(annotation, viewModel.RootNode);
}
if (!flag)
{
return;
}
editTransaction.Commit();
}
}
public void UnlinkAllAttachments(AnnotationSceneNode annotation)
{
IEnumerable <SceneElement> attachedElements = annotation.AttachedElements;
if (!Enumerable.Any <SceneElement>(attachedElements))
{
return;
}
SceneViewModel viewModel = annotation.ViewModel;
using (SceneEditTransaction editTransaction = viewModel.CreateEditTransaction(StringTable.UnlinkAnnotationUndoUnit))
{
EnumerableExtensions.ForEach <SceneElement>(attachedElements, (Action <SceneElement>)(element => AnnotationUtils.RemoveAnnotationReference(element, annotation)));
AnnotationManagerSceneNode.SetAnnotationParent(annotation, viewModel.RootNode);
editTransaction.Commit();
}
}
