public void UpdateHandler(GridCommandEventArgs args)
{
BatchEditModel item = (BatchEditModel)args.Item;
BatchEditModel localItem = GetItemFromCollection(LocalData, item);
if (!item.IsDirty)
{
BatchEditModel pristineItm = GetItemFromCollection(PristineItems, item);
if (pristineItm == null)
{
//add only the first time a field is edited, later it is no longer pristine
PristineItems.Add(localItem);
}
}
item.IsChanged = true;
ChangeLocalItem(item);
}
public async Task RevertItem(BatchEditModel itmToUndelete)
{
if (itmToUndelete.IsNew)
{
LocalData.Remove(itmToUndelete);
}
if (itmToUndelete.IsDeleted)
{
itmToUndelete.IsDeleted = false;
ChangeLocalItem(itmToUndelete);
}
if (itmToUndelete.IsChanged)
{
BatchEditModel pristineItem = GetItemFromCollection(PristineItems, itmToUndelete);
if (pristineItem != null)
{
itmToUndelete = pristineItem;
ChangeLocalItem(itmToUndelete);
PristineItems.Remove(pristineItem);
}
}
}
