public static void ValidateUndo(GDbTabWrapper <TKey, TValue> tab, string text, DbAttribute attribute)
{
try {
if (tab.List.SelectedItem != null && !tab.ItemsEventsDisabled)
{
TValue tuple = (TValue)tab.List.SelectedItem;
ITableCommand <TKey, TValue> command = tab.Table.Commands.Last();
if (command is ChangeTupleProperty <TKey, TValue> )
{
ChangeTupleProperty <TKey, TValue> changeCommand = (ChangeTupleProperty <TKey, TValue>)command;
IGenericDbCommand last = tab.GenericDatabase.Commands.Last();
if (last != null)
{
if (last is GenericDbCommand <TKey> )
{
GenericDbCommand <TKey> nLast = (GenericDbCommand <TKey>)last;
if (ReferenceEquals(nLast.Table, tab.Table))
{
// The last command of the table is being edited
if (changeCommand.Tuple != tuple || changeCommand.Attribute.Index != attribute.Index)
{
//tab.Table.Commands.Set(tuple, attribute, text);
}
else
{
changeCommand.NewValue = text;
changeCommand.Execute(tab.Table);
if (changeCommand.NewValue.ToString() == changeCommand.OldValue.ToString())
{
nLast.Undo();
tab.GenericDatabase.Commands.RemoveCommands(1);
tab.Table.Commands.RemoveCommands(1);
}
return;
}
}
}
}
tab.Table.Commands.Set(tuple, attribute, text);
}
else
{
tab.Table.Commands.Set(tuple, attribute, text);
}
}
}
catch (Exception err) {
ErrorHandler.HandleException(err);
}
}
private void _validateUndo(GDbTabWrapper <TKey, ReadableTuple <TKey> > tab, string text, DbAttribute attribute)
{
try {
if (tab.List.SelectedItem != null && !tab.ItemsEventsDisabled && _lv.SelectedItem != null)
{
ReadableTuple <TKey> tuple = (ReadableTuple <TKey>)tab.List.SelectedItem;
int tupleKey = ((ItemView)_lv.SelectedItem).ID;
ITableCommand <TKey, ReadableTuple <TKey> > command = tab.Table.Commands.Last();
if (command is ChangeTupleDicoProperty <TKey, ReadableTuple <TKey>, TKey, ReadableTuple <TKey> > )
{
ChangeTupleDicoProperty <TKey, ReadableTuple <TKey>, TKey, ReadableTuple <TKey> > changeCommand = (ChangeTupleDicoProperty <TKey, ReadableTuple <TKey>, TKey, ReadableTuple <TKey> >)command;
IGenericDbCommand last = tab.GenericDatabase.Commands.Last();
if (last != null)
{
if (last is GenericDbCommand <TKey> )
{
GenericDbCommand <TKey> nLast = (GenericDbCommand <TKey>)last;
if (ReferenceEquals(nLast.Table, tab.Table))
{
// The last command of the table is being edited
if (changeCommand.Tuple != tuple || tupleKey != (int)(object)changeCommand.DicoKey || changeCommand.Attribute.Index != attribute.Index)
{
//tab.Table.Commands.Set(tuple, attribute, text);
}
else
{
ItemView itemView = ((ItemView)_lv.SelectedItem);
changeCommand.NewValue.SetValue(attribute, text);
changeCommand.Execute(tab.Table);
if (changeCommand.NewValue.CompareWith(changeCommand.InitialValue))
{
nLast.Undo();
tab.GenericDatabase.Commands.RemoveCommands(1);
tab.Table.Commands.RemoveCommands(1);
//changeCommand.InitialValue.Modified = changeCommand.SubModified;
_lv.Dispatch(p => p.SelectedItem = ((RangeObservableCollection <ItemView>)_lv.ItemsSource).FirstOrDefault(q => q.ID == itemView.ID));
}
itemView.VisualUpdate();
return;
}
}
}
}
_setSelectedItem(attribute, text);
}
else
{
_setSelectedItem(attribute, text);
}
}
}
catch (Exception err) {
ErrorHandler.HandleException(err);
}
}