public static bool CanCopySelection(SceneViewModel viewModel)
{
if (viewModel.DesignerContext.ActiveView.EventRouter.IsEditingText)
{
if (viewModel.TextSelectionSet.IsActive)
{
return(viewModel.TextSelectionSet.CanCopy);
}
return(false);
}
if (viewModel.ElementSelectionSet.IsEmpty && viewModel.KeyFrameSelectionSet.IsEmpty && (viewModel.ChildPropertySelectionSet.IsEmpty && viewModel.BehaviorSelectionSet.IsEmpty) && viewModel.AnnotationSelectionSet.IsEmpty)
{
return(false);
}
if (viewModel.ChildPropertySelectionSet.Selection.Count == 1)
{
return(true);
}
if (viewModel.ChildPropertySelectionSet.Selection.Count > 1)
{
return(false);
}
if (!viewModel.BehaviorSelectionSet.IsEmpty || !viewModel.AnnotationSelectionSet.IsEmpty)
{
return(true);
}
if (viewModel.KeyFrameSelectionSet.IsEmpty)
{
if (!CopyCommand.ElementsHaveSameParent((ICollection <SceneElement>)viewModel.ElementSelectionSet.Selection))
{
return(false);
}
foreach (SceneElement sceneElement in viewModel.ElementSelectionSet.Selection)
{
if (sceneElement is CameraElement)
{
return(false);
}
}
}
else
{
IEnumerator <KeyFrameSceneNode> enumerator = viewModel.KeyFrameSelectionSet.Selection.GetEnumerator();
enumerator.MoveNext();
SceneNode targetElement = enumerator.Current.TargetElement;
while (enumerator.MoveNext())
{
if (enumerator.Current.TargetElement != targetElement)
{
return(false);
}
}
}
return(true);
}
public static void CopyElements(SceneViewModel viewModel, List <SceneElement> elements)
{
if (elements.Count == 0 || !CopyCommand.ElementsHaveSameParent((ICollection <SceneElement>)elements))
{
return;
}
PerformanceUtility.StartPerformanceSequence(PerformanceEvent.CopyElements);
SceneNode parent = elements[0].Parent;
PastePackage pastePackage = new PastePackage(viewModel);
using (viewModel.ForceBaseValue())
pastePackage.AddElements(elements, true);
pastePackage.SendToClipboard();
PerformanceUtility.EndPerformanceSequence(PerformanceEvent.CopyElements);
}
