protected override Pen GetPen()
{
var businessObject = graphSource.GetBusinessObject(Edge);
if (businessObject is MethodCallData)
{
// return gray pen for method call edges
return(Pens.DimGray);
}
if (businessObject is EventRegistrationData)
{
// return red pen for event edges
return(Pens.DarkRed);
}
return(base.GetPen());
}
public AddConnectionDialog(AdjacentEdgesGraphSource graphSource, CreationMode mode)
{
InitializeComponent();
this.mode = mode;
ApplyMode();
dataItems = new List <EntityData>();
// fill data items list with all the nodes available in the graph
foreach (var node in graphSource.Graph.Nodes)
{
EntityData data = graphSource.GetBusinessObject(node) as EntityData;
if (data != null)
{
dataItems.Add(data);
}
}
targetCombobox.SelectionChanged += TargetComboboxOnSelectionChanged;
targetCombobox.ItemsSource = dataItems;
targetCombobox.SelectedIndex = 0;
}
/// <summary>
/// Returns the business data object from the current item, or <see langword="null"/> if no current item is set
/// </summary>
private EntityData GetCurrentItemData()
{
return(graphControl.CurrentItem != null?graphSource.GetBusinessObject(graphControl.CurrentItem) as EntityData : null);
}