internal static void InvokeCancelEventHandlers(CancellableNodeEventHandler handler, object sender, CancellableNodeEventArgs e)
{
if (handler == null)
{
return;
}
Exception firstException = null;
Delegate[] list = (Delegate[])handler.GetInvocationList().Clone();
bool cancel = false;
foreach (CancellableNodeEventHandler del in list)
{
try
{
del(sender, e);
cancel = cancel | e.Cancel;
e.Cancel = cancel;
}
catch (Exception ex) //TODO: catch block
{
//LogException(source, ex);
if (firstException == null)
{
firstException = ex;
}
}
}
if (firstException != null)
{
throw firstException;
}
}
internal static void FireOnPermissionChanging(CancellableNodeEventHandler Deleting, Node sender, CancellableNodeEventArgs e, List <Type> disabledObservers)
{
InvokeCancelEventHandlers(Deleting, sender, e);
var observers = NodeTypeManager.Current.NodeObservers;
if (observers == null)
{
return;
}
if (disabledObservers == null)
{
foreach (NodeObserver observer in observers)
{
observer.OnPermissionChanging(sender, e);
}
}
else
{
foreach (NodeObserver observer in observers)
{
if (!disabledObservers.Contains(observer.GetType()))
{
observer.OnPermissionChanging(sender, e);
}
}
}
}
internal static void FireOnNodeDeletingPhysically(CancellableNodeEventHandler DeletingPhysically, Node sender, CancellableNodeEventArgs e, List <Type> disabledObservers)
{
InvokeCancelEventHandlers(DeletingPhysically, sender, e);
var observers = Providers.Instance.NodeObservers;
if (observers == null)
{
return;
}
if (disabledObservers == null)
{
foreach (NodeObserver observer in observers)
{
observer.OnNodeDeletingPhysically(sender, e);
}
}
else
{
foreach (NodeObserver observer in observers)
{
if (!disabledObservers.Contains(observer.GetType()))
{
observer.OnNodeDeletingPhysically(sender, e);
}
}
}
}
internal static void FireOnPermissionChanging(CancellableNodeEventHandler PermissionChanging, Node sender, CancellablePermissionChangingEventArgs e, List <Type> disabledObservers)
{
InvokeCancelEventHandlers(PermissionChanging, sender, e);
FireNodeEvent(disabledObservers, observer => { observer.OnPermissionChanging(sender, e); });
}
internal static void FireOnNodeDeletingPhysically(CancellableNodeEventHandler DeletingPhysically, Node sender, CancellableNodeEventArgs e, List <Type> disabledObservers)
{
InvokeCancelEventHandlers(DeletingPhysically, sender, e);
FireNodeEvent(disabledObservers, observer => { observer.OnNodeDeletingPhysically(sender, e); });
}
internal static void FireOnNodeModifying(CancellableNodeEventHandler Modifying, Node sender, CancellableNodeEventArgs e, List <Type> disabledObservers)
{
InvokeCancelEventHandlers(Modifying, sender, e);
FireNodeEvent(disabledObservers, observer => { observer.OnNodeModifying(sender, e); });
}
public static void FireOnNodeRestoring(CancellableNodeEventHandler Restoring, Node sender, CancellableNodeEventArgs e, List <Type> disabledObservers)
{
InvokeCancelEventHandlers(Restoring, sender, e);
FireNodeEvent(disabledObservers, observer => { observer.OnNodeRestoring(sender, e); });
}
