internal static void EndEditHelper( DataGridContext dataGridContext )
{
DataGridControl dataGridControl = dataGridContext.DataGridControl;
if( !dataGridControl.IsBeingEdited )
return;
if( !dataGridContext.IsContainingItem( dataGridContext.DataGridControl.CurrentItemInEdition ) )
throw new InvalidOperationException( "An attempt was made to call the EndEdit method of an item that is not part of the specified context." );
DependencyObject container = dataGridContext.GetContainerFromItem( dataGridControl.m_currentItemInEdition );
//if the item is realized, then I could call the EndEdit() directly on the container.
if( container != null )
{
Row row = Row.FromContainer( container );
if( row != null )
row.EndEdit();
//not a row, then not editable.
}
//if the container is not realized, then I need to set things up so that when the container is realized, it's gonna resume edition.
else
{
DataGridControl.ProcessUnrealizedEndEdit( dataGridContext );
}
}
internal static void BeginEditHelper( DataGridContext dataGridContext, object item )
{
DataGridControl dataGridControl = dataGridContext.DataGridControl;
if( dataGridControl.IsBeingEdited )
return;
if( item == null )
return;
if( !dataGridContext.IsContainingItem( item ) )
throw new InvalidOperationException( "An attempt was made to call the BeginEdit method of an item that is not part of the specified context." );
DependencyObject container = dataGridContext.GetContainerFromItem( item );
//if the item is realized, then I could call the BeginEdit() directly on the container.
if( container != null )
{
Row row = Row.FromContainer( container );
if( row != null )
row.BeginEdit();
//not a row, then not editable.
}
//if the container is not realized, then I need to set things up so that when the container is realized, it's gonna resume edition.
else
{
dataGridContext.DataGridControl.UpdateCurrentRowInEditionCellStates( null, item );
dataGridContext.DataGridControl.BringItemIntoView( item );
}
}
