internal void InvokeProcessSort(KeyModifiers keyModifiers)
{
Debug.Assert(OwningGrid != null);
if (OwningGrid.WaitForLostFocus(() => InvokeProcessSort(keyModifiers)))
{
return;
}
if (OwningGrid.CommitEdit(DataGridEditingUnit.Row, exitEditingMode: true))
{
Avalonia.Threading.Dispatcher.UIThread.Post(() => ProcessSort(keyModifiers));
}
}
public void Clear()
{
if (OwningGrid.SelectionMode == DataGridSelectionMode.Single)
{
throw DataGridError.DataGridSelectedItemsCollection.CannotChangeSelectedItemsCollectionInSingleMode();
}
if (_selectedSlotsTable.RangeCount > 0)
{
// Clearing the selection does not reset the potential current cell.
if (!OwningGrid.CommitEdit(DataGridEditingUnit.Row, true /*exitEditing*/))
{
// Edited value couldn't be committed or aborted
return;
}
OwningGrid.ClearRowSelection(true /*resetAnchorSlot*/);
}
}
public void RemoveAt(int index)
{
if (OwningGrid.SelectionMode == DataGridSelectionMode.Single)
{
throw DataGridError.DataGridSelectedItemsCollection.CannotChangeSelectedItemsCollectionInSingleMode();
}
if (index < 0 || index >= _selectedSlotsTable.IndexCount)
{
throw DataGridError.DataGrid.ValueMustBeBetween("index", "Index", 0, true, _selectedSlotsTable.IndexCount, false);
}
int rowIndex = _selectedSlotsTable.GetNthIndex(index);
Debug.Assert(rowIndex > -1);
if (rowIndex == OwningGrid.CurrentSlot &&
!OwningGrid.CommitEdit(DataGridEditingUnit.Row, true /*exitEditing*/))
{
// Edited value couldn't be committed or aborted
return;
}
OwningGrid.SetRowSelection(rowIndex, false /*isSelected*/, false /*setAnchorSlot*/);
}
public void Remove(object dataItem)
{
if (OwningGrid.SelectionMode == DataGridSelectionMode.Single)
{
throw DataGridError.DataGridSelectedItemsCollection.CannotChangeSelectedItemsCollectionInSingleMode();
}
int itemIndex = OwningGrid.DataConnection.IndexOf(dataItem);
if (itemIndex == -1)
{
return;
}
Debug.Assert(itemIndex >= 0);
if (itemIndex == OwningGrid.CurrentSlot &&
!OwningGrid.CommitEdit(DataGridEditingUnit.Row, true /*exitEditing*/))
{
// Edited value couldn't be committed or aborted
return;
}
OwningGrid.SetRowSelection(itemIndex, false /*isSelected*/, false /*setAnchorSlot*/);
}