internal void RegisterSuccessfulDeleteHook(string id, ElementUpdateDelegate updateDelegate)
{
HashSet <string> elements;
if (!transDelElements.TryGetValue(updateDelegate, out elements))
{
elements = new HashSet <string>();
transDelElements[updateDelegate] = elements;
}
elements.Add(id);
}
/// <summary>
/// Watches for changes of the given type to the Element with the given ID. When changed, executes
/// the given Delegate.
/// </summary>
/// <param name="e">ID of the Element being watched.</param>
/// <param name="type">Type of change to watch for.</param>
/// <param name="d">Delegate to be called when changed.</param>
public void RegisterChangeHook(string e, ChangeType type, ElementUpdateDelegate d)
{
switch (type)
{
case ChangeType.Delete:
deletedCallbacks[e] = d;
break;
case ChangeType.Modify:
modifiedCallbacks[e] = d;
break;
}
}
internal void RegisterSuccessfulDeleteHook(string id, ElementUpdateDelegate updateDelegate)
{
HashSet<string> elements;
if (!transDelElements.TryGetValue(updateDelegate, out elements))
{
elements = new HashSet<string>();
transDelElements[updateDelegate] = elements;
}
elements.Add(id);
}
internal void RegisterDMUHooks(string id, ElementUpdateDelegate updateDelegate)
{
ElementUpdateDelegate del = delegate(IEnumerable<string> deleted)
{
var delIds = deleted as IList<string> ?? deleted.ToList();
foreach (var invId in delIds)
{
Updater.UnRegisterChangeHook(invId, ChangeType.Modify);
Updater.UnRegisterChangeHook(invId, ChangeType.Delete);
}
updateDelegate(delIds);
};
Updater.RegisterChangeHook(id, ChangeType.Delete, del);
transElements.Add(id);
}
