public override void OnShapesInserted(List <Shape> affectedShapes)
{
base.OnShapesInserted(affectedShapes);
if (affectedShapes.Count == 1 && affectedShapes.First() is Polyline)
{
var p = affectedShapes.First() as Polyline;
var cps = p.GetControlPointIds(ControlPointCapabilities.All);
var p1 = p.GetControlPointPosition(cps.First());
var p2 = p.GetControlPointPosition(cps.Last());
Box b1 = null;
Box b2 = null;
foreach (var s in p.Diagram.Shapes.Except(p))
{
if (b1 == null && s.ContainsPoint(p1.X, p1.Y))
{
b1 = s as Box;
}
else if (b2 == null && s.ContainsPoint(p2.X, p2.Y))
{
b2 = s as Box;
}
}
if (b1 != null && b2 != null && b1 != b2)
{
var n1 = DiagramWrapper.GetNodeForShape(b1);
var n2 = DiagramWrapper.GetNodeForShape(b2);
if (!n2.Quest.IsLinksToEditable())
{
DeleteShapeOnDeselect(p);
var msg = $"Couldn't create link to {n2.Quest.Name} quest - links to this quest are editable only through code.";
MessageBox.Show(msg);
return;
}
var link = new Link(n1, n2);
if (Context.Flow.Graph.ExistsLink(link))
{
DeleteShapeOnDeselect(p);
var msg = $"Couldn't create link from {n1.Quest.Name} to {n2.Quest.Name} quest - link already exists.";
MessageBox.Show(msg);
return;
}
(var loopForms, var loop) = GraphValidation.LoopForms(Context.Flow.Graph, link);
if (loopForms)
{
DeleteShapeOnDeselect(p);
var loopStringRepresentation = string.Join(" - ", loop.Select(q => q.Quest.Name));
var msg = $"Couldn't create link from {n1.Quest.Name} to {n2.Quest.Name} quest - loop forms: {loopStringRepresentation}.";
MessageBox.Show(msg);
return;
}
DiagramWrapper.RegisterShapeForLink(p, link);
if (!n1.Quest.IsActive() || !n2.Quest.IsActive())
{
var command = new CompositeCommand();
void InitQuestActivationCommand(Quest quest) =>
command.AddCommand(
CommandsCreation.ActivateQuest(
quest,
Context.Flow.GetSectorForQuest(quest),
Context,
DiagramWrapper
)
);
if (!n1.Quest.IsActive())
{
InitQuestActivationCommand(n1.Quest);
}
if (!n2.Quest.IsActive())
{
InitQuestActivationCommand(n2.Quest);
}
command.AddCommand(CommandsCreation.AddLink(link, Context, DiagramWrapper));
Context.History.Do(command);
}
else
{
Context.History.Do(CommandsCreation.AddLink(link, Context, DiagramWrapper));
}
}
else
{
DeleteShapeOnDeselect(p);
}
}
else
{
DeleteShapesOnDeselect(affectedShapes);
}
}