public NEventAdapter this[NProperty key]
{
get
{
for (var i = _first; i != null; i = i.Next)
{
if (ReferenceEquals(i.Property, key))
{
return(i);
}
}
return(null);
}
set
{
if (_first == null)
{
_first = _last = value;
}
else
{
_last.Next = value;
_last = value;
}
}
}
public static void AssignEvent(NProperty prop, object action, DependencyObject target, RoutedEvent routedEvent, Func <NEventAdapter, Delegate> extractor)
{
var handled = NEventAdapter.UnpackHandler(ref action);
var agg = (NEventAggregator)target.GetValue(AggregatorProperty);
if (agg == null)
{
target.SetValue(AggregatorProperty, agg = new NEventAggregator());
}
var adapter = agg[prop];
if (adapter == null)
{
agg[prop] = adapter = new NEventAdapter(prop)
{
Action = action
};
var handler = extractor(adapter);
var e = target as UIElement;
if (e != null)
{
e.AddHandler(routedEvent, handler, handled);
}
#if WPF
else
{
var ce = target as ContentElement;
if (ce != null)
{
ce.AddHandler(routedEvent, handler, true);
}
}
#endif
}
else
{
adapter.Action = action;
}
}
public static NElement MouseLeftButtonDown(this NElement self, MouseEventHandler value, bool includeHandled = false)
{
return(self.Set(Properties.MouseLeftButtonDown, NEventAdapter.PackHandler(value, includeHandled)));
}
public static NElement MouseLeftButtonUp(this NElement self, Action <object> value, bool includeHandled = false)
{
return(self.Set(Properties.MouseLeftButtonUp, NEventAdapter.PackHandler(value, includeHandled)));
}
public static NElement PointerPressed(this NElement self, PointerEventHandler value, bool includeHandled = false)
{
return(self.Set(Properties.PointerPressed, NEventAdapter.PackHandler(value, includeHandled)));
}
public static void AssignEvent <T>(NProperty prop, object action, T target, Action <T, NEventAdapter> subscribe) where T : class
{
var handled = NEventAdapter.UnpackHandler(ref action);
if (handled)
{
throw new InvalidOperationException($"No support for handled events of {prop.Name}");
}
#if XAML
var dep = target as DependencyObject;
if (dep != null)
{
var agg = (NEventAggregator)dep.GetValue(AggregatorProperty);
if (agg == null)
{
dep.SetValue(AggregatorProperty, agg = new NEventAggregator());
}
var adapter = agg[prop];
if (adapter == null)
{
agg[prop] = adapter = new NEventAdapter(prop)
{
Action = action
};
subscribe(target, adapter);
}
else
{
adapter.Action = action;
}
}
else
#elif XFORMS
var dep = target as BindableObject;
if (dep != null)
{
var agg = (NEventAggregator)dep.GetValue(AggregatorProperty);
if (agg == null)
{
dep.SetValue(AggregatorProperty, agg = new NEventAggregator());
}
var adapter = agg[prop];
if (adapter == null)
{
agg[prop] = adapter = new NEventAdapter(prop)
{
Action = action
};
subscribe(target, adapter);
}
else
{
adapter.Action = action;
}
}
else
#endif
{
subscribe(target, new NEventAdapter(prop)
{
Action = action
});
}
}
