public void AddConditionalAction(Func <T, bool> predicate, Action <CodeTriggerActor <T> > setters)
{
var actor = new CodeTriggerActor <T>();
setters(actor);
var action = new ConditionalCodeTriggerAction <T>(Element, predicate, actor);
conditionalActions.Add(action);
action.Apply(null);
}
protected void OnTrigger(DependencyProperty property)
{
var appliedSetters = lastAppliedAction == null ? null : new HashSet <object>();
foreach (var action in conditionalActions)
{
if (action.Apply(appliedSetters))
{
lastAppliedAction?.Unapply(appliedSetters);
lastAppliedAction = action;
return;
}
}
lastAppliedAction?.Unapply(null);
}