public void DeleteArrows(UserControl sender = null)
{
foreach (var arrow in ArrowControls)
{
arrow.IsCollapsed = true;
var arrowViewModel = arrow.DataContext as ArrowViewModel;
if (arrowViewModel == null || arrowViewModel.ViewModelRelationship == null)
{
continue;
}
if (arrow.From != null)
{
if (arrow.From.ChildNodes.Count == 0)
{
arrow.From.CollapseControl.State = CollapseState.None;
}
else if (arrow.From.ChildNodes.All(q => q.IsCollapsed))
{
arrow.From.CollapseControl.State = CollapseState.Collapsed;
}
}
}
IoC.GetInstance <ISuperGraphRelationshipFactory>().DeleteRelationships(ArrowControls.Select(q => q.DataContext)
.OfType <ArrowViewModel>()
.Select(q => q.ViewModelRelationship));
}
//Remove node from selection
public void RemoveArrow(ArrowControl arrowControl)
{
if (HasArrow(arrowControl))
{
ArrowControls.Remove(arrowControl);
arrowControl.DeSelect();
}
}
//Add node to selection
public void AddArrow(ArrowControl arrowControl)
{
if (!HasArrow(arrowControl))
{
ArrowControls.Add(arrowControl);
arrowControl.Select();
}
}
//Clear selection
public void Clear()
{
foreach (var nodeControl in NodeControls)
{
nodeControl.DeSelect();
}
NodeControls.Clear();
foreach (var arrowControl in ArrowControls)
{
arrowControl.DeSelect();
}
ArrowControls.Clear();
}
public bool HasArrow(ArrowControl arrowControl)
{
return(ArrowControls.Contains(arrowControl));
}
