protected override void InsertItem(int index, T item)
{
if (Releted.IsNull())
{
if (item.GetType() == typeof(T) &&
!item.GetType().Assembly.FullName.Contains("DynamicProxy"))
{
throw new ModelException("Please use CreateInstance function CreateInstance or AddNew to create proper object entity");
}
if (EntityCtx.IsNotNull())
{
if (item.Session.IsNullOrEmpty())
{
item.Validate((v) => { return(v.RealTimeValidation); },
(v) => { throw new ValidationException(v.ErrrorMessage); });
}
if (EntityCtx.Entities.FirstOrDefault(e => e.Equals(item)).IsNotNull())
{
throw new ValidationException("You can't add twice the same object[" + typeof(T).Name + "] to collection");
}
EntityCtx.MarkedAsModified();
}
base.InsertItem(index, item);
if (EntityCtx.Synchronizing)
{
foreach (string entityName in EntityCtx.SynchronizedCollection.Keys)
{
EntityClass releted = Context.Entites.FirstOrDefault(e => e.Name == entityName);
Debug.Assert(releted.IsNotNull(), "Internal error");
if (releted.IsNotNull())
{
foreach (Entity e in releted.Entities)
{
foreach (string propertyName in EntityCtx.SynchronizedCollection[entityName])
{
object o = e[propertyName];
}
}
}
}
}
}
else
{
if (!CopyFromMainCollection)
{
if (EntityCtx.IsNotNull())
{
IList list = EntityCtx.Entities as IList;
if (list.IsNotNull())
{
EntityCtx.Synchronizing = false;
list.Add(item);
EntityCtx.Synchronizing = true;
}
}
}
base.InsertItem(index, item);
}
}
private void EnumerateByReletedEntity(Action <Entity, EntitiesRelation> action)
{
if (EntityCtx.IsNotNull())
{
Context.Relations.Where(r => r.Parent.EntityName == EntityCtx.Name).ToList().ForEach((r) =>
{
List <EntityProperty> list = EntityCtx.Properties.Where(p => p.ReletedEntity.IsNotNull() &&
p.ReletedEntity.Relation.Name == r.Name).ToList();
if (list.Count() > 0)
{
list.ForEach((p) =>
{
if (p.ReletedEntity.Related == Releted.List)
{
IEnumerable <Entity> entities = this[p.Name] as IEnumerable <Entity>;
if (entities.IsNotNull())
{
foreach (Entity e in entities)
{
action(e, r);
}
}
}
else
{
Entity e = this[p.Name] as Entity;
if (e.IsNotNull())
{
action(e, r);
}
}
});
}
else
{
EntityClass childEntity = Context.Entites.FirstOrDefault(t => t.Name == r.Child.EntityName);
if (childEntity.IsNotNull())
{
childEntity.Entities.Where(row => row.State != EntityState.Deleted &&
r.Child.Value(row).Equals(r.Parent.Value(this))).ToList().ForEach((row) =>
{
action(row, r);
});
}
}
});
}
}
protected override void RemoveItem(int index)
{
if (Releted.IsNull())
{
Entity obj = null;
if (AllowRemove && index < Count)
{
obj = base[index];
if (obj.IsFrozen)
{
throw new SecurityException("Security Exception. You try to modified object for which you don't have an accesss");
}
switch (obj.State)
{
case EntityState.Modified:
case EntityState.Unchanged: obj.State = EntityState.Deleted;
break;
case EntityState.Added: obj.State = EntityState.Deleted;
base.RemoveItem(index);
break;
case EntityState.Deleted: base.RemoveItem(index);
break;
}
}
else
{
throw new InvalidOperationException();
}
if (EntityCtx.IsNotNull())
{
EntityCtx.MarkedAsModified();
foreach (string entityName in EntityCtx.SynchronizedCollection.Keys)
{
EntityClass releted = Context.Entites.FirstOrDefault(e => e.Name == entityName);
Debug.Assert(releted.IsNotNull(), "Internal error");
if (releted.IsNotNull())
{
foreach (Entity e in releted.Entities)
{
foreach (string propertyName in EntityCtx.SynchronizedCollection[entityName])
{
object o = e[propertyName];
}
}
}
}
}
}
else
{
if (!CopyFromMainCollection)
{
if (EntityCtx.IsNotNull())
{
IList list = EntityCtx.Entities as IList;
if (list.IsNotNull())
{
if (index < Count)
{
Entity e = base[index];
if (list.Contains(e))
{
list.Remove(e);
}
}
}
}
}
base.RemoveItem(index);
}
}