private void OwnedChildrenList_OnRemove(object sender, NamedEventArgs e)
{
INamedObjectList oContainer = (INamedObjectList)sender;
IEntityBase oChildEntity = e.NamedObject as IEntityBase;
if (oChildEntity == null)
{
return;
}
using (AutoTreeChangeNotify oChangeNotify = new AutoTreeChangeNotify(
this,
EntityTreeChange.ChildRemove,
this,
oChildEntity,
EntityRelation.Owner,
null))
{
//
// The object oChild that we are it's owner is detached from the tree.
// 1. All links to this object should be removed, i.e it should be removed
// from all containers listed in m_ParentContainers.
// 2. Reset UniqueParentLink of all linked children of the removed object.
//
// Remove all links to child object
// TODO: !!! Revert to INamedObjectList when RemoveObject will be part
// of INamedObjectList interface
foreach (INamedObjectList oParentContainer in oChildEntity.ParentContainers)
{
try
{
// We don't want to remove from owner (our) container, since
// This operation is already done
if (oParentContainer != oContainer)
{
oParentContainer.Remove(oChildEntity.Name);
}
}
catch (Exception oExc)
{
Log.WriteError(
"Object [{0}] was not removed from parent container " +
" [{1}]", oChildEntity, oParentContainer);
Log.WriteException(oExc);
}
}
// Detach all linked children of the removed object
oChildEntity.DetachAllChildren();
// Remove links from child object to parents
RemoveUniqueParentLinkIfNeeded(oChildEntity);
// Reset child "OwnerParent" field
SetObjectOwnerParent(
oChildEntity,
null);
}
}