public void OnSourceCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action != NotifyCollectionChangedAction.Add || e.NewItems == null)
{
return;
}
if (Source == null)
{
Source = new WMSBusinessCollection <Entity2GC>();
}
foreach (var item in e.NewItems)
{
if (item == null)
{
continue;
}
if (Source == null)
{
continue;
}
var newItem = new Entity2GC
{
ENTITY2GCKEY = ((WMSBusinessObject)item).GetKey().ToString()
};
Source.Add(newItem);
ChildSource.Add((WMSBusinessObject)item);
}
}
private void UpdateSource(Entity2GC obj)
{
if (Source == null)
{
return;
}
try
{
ParentViewModelSource.SuspendNotifications();
ParentViewModelSource.SuspendValidating();
Source.SuspendNotifications();
var parentViewModelSourceName = GetParentViewModelSourceName();
using (var mgr = IoC.Instance.Resolve <IBaseManager <Entity2GC> >())
{
// Перевычитываем из БД весь Source
if (obj == null)
{
var keys = Source.Select(item => (object)item.ENTITY2GCID).ToList();
if (keys.Count <= 0)
{
return;
}
var array = mgr.GetFiltered(FilterHelper.GetFilterIn(Entity2GC.ENTITY2GCIDPropertyName, keys)).ToArray();
foreach (var itParent in array.Cast <IHasParent>().Where(itParent => itParent != null))
{
itParent.SourceTypeName = _itemType.Name.ToUpper();
itParent.TargetTypeName = parentViewModelSourceName;
}
Source.Clear();
Source.AddRange(array);
ParentViewModelSource.AcceptChanges();
}
else
{
var isDirty = ParentViewModelSource.IsDirty;
var index = Source.IndexOf(obj);
Source.RemoveAt(index);
var it = mgr.Get(obj.GetKey());
var itParent = (IHasParent)it;
if (itParent != null)
{
itParent.SourceTypeName = _itemType.Name.ToUpper();
itParent.TargetTypeName = GetParentViewModelSourceName();
}
Source.Insert(index, it);
if (!isDirty)
{
ParentViewModelSource.AcceptChanges();
}
}
}
}
finally
{
Source.ResumeNotifications();
ParentViewModelSource.ResumeValidating();
ParentViewModelSource.ResumeNotifications();
ParentViewModelSource.Validate();
}
}
