private void OnAttachToDataGridRow(DataGridRow dgr)
{
int index = dgr.GetIndex() + 1;
if (this.AssociatedObject != null)
{
this.AssociatedObject.Text = index.ToString();
}
// Hook into the DataGridRow
BindingOperations.SetBinding(this, TargetProperty, new Binding("Item")
{
Source = dgr
});
// Hook into the DataGrid owner.
DataGrid dg = dgr.FindVisualParent <DataGrid>();
dg.RowEditEnding += DgRowEditEnding;
var cv = CollectionViewSource.GetDefaultView(dg.ItemsSource);
if (cv != null)
{
cv.CollectionChanged += this.CvCollectionChanged;
}
}
/// <summary>
/// Called when the is read only flag is changed.
/// </summary>
/// <param name="dependencyObject">The dependency object.</param>
/// <param name="e">The <see cref="DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
private static void OnIsReadOnlyChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
DataGridRow dataGridRow = (DataGridRow)dependencyObject;
DataGrid dataGrid = dataGridRow.FindVisualParent <DataGrid>();
if (GetIsReadOnly(dataGridRow))
{
dataGrid.BeginningEdit += OnDataGridBeginningEdit;
}
else
{
dataGrid.BeginningEdit -= OnDataGridBeginningEdit;
}
}
