void InnerAttach(EventCategory category, EventHandler func)
{
IList <KeyValuePair <int, EventHandler> > list;
if (_handlers.TryGetValue(category, out list))
{
list.Add(new KeyValuePair <int, EventHandler>(_attachId, func));
}
else
{
list = new List <KeyValuePair <int, EventHandler> > {
new KeyValuePair <int, EventHandler>(_attachId, func)
};
_handlers.Add(category, list);
}
}
void InnerDetach(EventCategory category, EventHandler func)
{
IList <KeyValuePair <int, EventHandler> > list;
if (_handlers.TryGetValue(category, out list))
{
if (list.Count == 1)
{
list.RemoveAt(0);
}
else
{
for (int i = 0; i < list.Count; i++)
{
if (list[i].Value == func)
{
list.RemoveAt(i);
break;
}
}
}
}
}
public static void Call(EventCategory category, IList <IModel> models, object args, IContext context)
{
var toCall = new List <KeyValuePair <int, EventHandler> >();
foreach (var model in models)
{
IList <KeyValuePair <int, EventHandler> > tmp;
if (model.GetEvent()._handlers.TryGetValue(category, out tmp))
{
toCall.AddRange(model.GetEvent()._handlers[category]);
}
}
if (toCall.Count == 0)
{
return;
}
if (toCall.Count > 1)
{
toCall.Sort(_comparer);
}
var eventCallStack = new ModelsPath();
eventCallStack.Set(models, true);
CoreParams cp;
cp.stack = eventCallStack;
cp.context = context;
cp.category = category;
switch (toCall.Count)
{
case 1:
toCall[0].Value(cp, args);
break;
case 2:
{
var c0 = toCall[0];
var c1 = toCall[1];
c0.Value(cp, args);
c1.Value(cp, args);
break;
}
case 3:
{
var c0 = toCall[0];
var c1 = toCall[1];
var c2 = toCall[2];
c0.Value(cp, args);
c1.Value(cp, args);
c2.Value(cp, args);
break;
}
default:
{
var cpy = new KeyValuePair <int, EventHandler> [toCall.Count];
toCall.CopyTo(cpy, 0);
foreach (var pair in cpy)
{
pair.Value(cp, args);
}
break;
}
}
}
public void Detach(EventCategory category, EventHandler func)
{
InnerDetach(category, func);
}
public void Attach(EventCategory category, EventHandler func)
{
_attachId = _globalAttachId++;
InnerAttach(category, func);
}