/// <summary>
/// Wywoływane, gdy wystąpi zdarzenie MouseLeftButtonDown.
/// </summary>
/// <param name="e">System.Windows.Input.MouseButtonEventArgs, który zawiera dane zdarzenia. Dane zdarzenia informują o naciśnięciu lewego przycisku myszy.</param>
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (SelectionUnit != DataGridSelectionUnit.Cell)
{
Border border = e.OriginalSource as Border;
if (border != null)
{
//var row = ItemContainerGenerator.ContainerFromItem(CurrentItem) as DataGridRow;
DataGridRow dataGridRow = border.TemplatedParent as DataGridRow;
if (dataGridRow != null)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl))
{
base.SelectedItems.Add(dataGridRow.Item);
}
else
{
DataGridSelectionUnit saveSelectionUnit = SelectionUnit;
SelectionUnit = DataGridSelectionUnit.Cell;
UnselectAll();
SelectionUnit = saveSelectionUnit;
dataGridRow.IsSelected = true;
dataGridRow.MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
}
}
}
}
}
public static void SetSelectionUnit(UIElement element, DataGridSelectionUnit value)
{
element.SetValue(SelectionUnitProperty, value);
}
internal void OnSelectionUnitChanged(DataGridSelectionUnit dataGridSelectionUnit)
{
this.ClearSelection();
this.selectedItems.SelectionUnit = dataGridSelectionUnit;
}
/// <summary>
/// Sets the value to define the DataGridRow selection behavior.
/// </summary>
public static void SetSelectionUnit(UIElement element, DataGridSelectionUnit value)
{
element.SetValue(SelectionUnitProperty, value);
}
public static TDataGrid SelectionUnit <TDataGrid>(this TDataGrid @this, DataGridSelectionUnit selectionUnit)
where TDataGrid : DataGrid
{
@this.SelectionUnit = selectionUnit;
return(@this);
}
public static T SelectionUnit <T>(this T target, DataGridSelectionUnit value) where T : DataGrid
{
target.SelectionUnit = value;
return(target);
}
