public ArrowCreationSet(NodeControl nodeControl, Point location)
{
IsAdded = false;
NodeControl = nodeControl;
ArrowControl = new ArrowControl(nodeControl, null);
From = new ArrowNodeSurrogate {Centre = location};
To = new ArrowNodeSurrogate {Centre = location};
Controller = new ArrowController(null, From, To);
ArrowControl.DataContext = Controller.ViewModel;
}
public ArrowCreationSet(NodeControl nodeControl, Point location)
{
IsAdded = false;
NodeControl = nodeControl;
ArrowControl = new ArrowControl(nodeControl, null);
From = new ArrowNodeSurrogate {
Centre = location
};
To = new ArrowNodeSurrogate {
Centre = location
};
Controller = new ArrowController(null, From, To);
ArrowControl.DataContext = Controller.ViewModel;
}
private ArrowControlFactorySet CreateSet(ViewModel.Relationship viewModelRelationship, NodeControl fromControl, NodeControl toControl)
{
ArrowController arrowController = new ArrowController(viewModelRelationship, fromControl, toControl);
arrowController.ViewModel.Id = viewModelRelationship.Id;
if (toControl != null)
{
toControl.LinkFromNode(fromControl);
}
ArrowControl arrowControl = new ArrowControl(fromControl, toControl);
Canvas.SetZIndex(arrowControl, 40);
arrowControl.DataContext = arrowController.ViewModel;
if (toControl != null && toControl.ViewModelNode.State == CollapseState.None)
{
toControl.ViewModelNode.State = CollapseState.Expanded;
}
ArrowControlFactorySet set = new ArrowControlFactorySet();
set.Relationship = viewModelRelationship;
set.Control = arrowControl;
set.Controller = arrowController;
return set;
}
public ArrowControlFactorySet RemoveArrow(ArrowControl arrowControl)
{
ViewModel.ArrowViewModel viewModelArrow = arrowControl.DataContext as ViewModel.ArrowViewModel;
if (viewModelArrow != null)
{
return RemoveArrow(viewModelArrow);
}
else
{
IEnumerable<Guid> arrowSetIds = from arrowSet in Arrows
where arrowSet.Value.Control == arrowControl
select arrowSet.Key;
if (arrowSetIds.Any())
{
return RemoveArrow(arrowSetIds.First());
}
}
return null;
}
public void Remove(ArrowControl arrowControl)
{
NodeContainer.Children.Remove(arrowControl);
}
public void Add(ArrowControl arrowControl)
{
NodeContainer.Children.Add(arrowControl);
}
public bool HasArrow(ArrowControl arrowControl)
{
return ArrowControls.Contains(arrowControl);
}
//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();
}
}
