private void Exec_Receive_Request(object state)
{
ViewChangeNotification <TData> notification = (ViewChangeNotification <TData>)state;
TData oldData = (TData)notification.OldData;
TData newData = (TData)notification.NewData;
// check for clear notification
if (notification.Change == CacheChange.CacheCleared)
{
_OriginalData.Clear();
}
// process other notifications
if (oldData != null)
{
// delete
string oldKey = _DataHelper.GetUniqueKey(oldData);
if (oldKey != null)
{
_OriginalData.Remove(oldKey);
}
}
if (newData != null)
{
// create/update
string newKey = _DataHelper.GetUniqueKey(newData);
if (newKey != null)
{
_OriginalData[newKey] = newData;
}
}
// optimisation - todo - only re-collate if item has actually changed
// update filters
if ((_FilterGroup != null) && (newData != null))
{
for (int column = 0; column < _ViewHelper.ColumnCount; column++)
{
_FilterGroup.AddFilterValue(column, GetDisplayValueHelper(newData, column));
}
}
// rebuild view
_CollateRequestHandler.Post(null);
}
public void UpdateData(ViewChangeNotification <TData> notification)
{
_ReceiveRequestHandler.Post(notification);
}
