private static void OnColumnReordering(object sender, ColumnReorderingEventArgs e)
{
FixedCellPanel panel = sender as FixedCellPanel;
if (panel == null)
{
return;
}
DataGridContext dataGridContext = DataGridControl.GetDataGridContext(panel);
if (dataGridContext == null)
{
return;
}
TableViewColumnVirtualizationManager columnVirtualizationManager =
dataGridContext.ColumnVirtualizationManager as TableViewColumnVirtualizationManager;
if (columnVirtualizationManager == null)
{
return;
}
int currentFixedColumnCount = columnVirtualizationManager.FixedColumnCount;
// We must be sure the VisiblePosition is converted to visible index since some Columns can be Visible = false
int oldVisiblePosition = FixedCellPanel.CalculateVisibleIndex(e.OldVisiblePosition, dataGridContext);
int newVisiblePosition = FixedCellPanel.CalculateVisibleIndex(e.NewVisiblePosition, dataGridContext);
if ((oldVisiblePosition < columnVirtualizationManager.FixedColumnCount) && (newVisiblePosition >= columnVirtualizationManager.FixedColumnCount))
{
// A column was moved from the fixedPanel to the scrollingPanel
// Do not increment version, it will be done by the FixedColumnCount changed
TableView.SetFixedColumnCount(columnVirtualizationManager.DataGridContext, columnVirtualizationManager.FixedColumnCount - 1);
}
else if ((oldVisiblePosition >= columnVirtualizationManager.FixedColumnCount) && (newVisiblePosition < columnVirtualizationManager.FixedColumnCount))
{
// A column was moved from the scrollingPanel to the fixedPanel
// Do not increment version, it will be done by the FixedColumnCount changed
TableView.SetFixedColumnCount(columnVirtualizationManager.DataGridContext, columnVirtualizationManager.FixedColumnCount + 1);
}
else
{
columnVirtualizationManager.IncrementVersion(new UpdateMeasureRequiredEventArgs(UpdateMeasureTriggeredAction.ColumnReordering));
}
// This must be done to stop progation of the event even
// if only 1 ColumnManagerCell will raise it.
e.Handled = true;
}
private static void OnColumnReordering( object sender, ColumnReorderingEventArgs e )
{
FixedCellPanel panel = sender as FixedCellPanel;
if( panel == null )
return;
DataGridContext dataGridContext = DataGridControl.GetDataGridContext( panel );
if( dataGridContext == null )
return;
TableViewColumnVirtualizationManager columnVirtualizationManager =
dataGridContext.ColumnVirtualizationManager as TableViewColumnVirtualizationManager;
if( columnVirtualizationManager == null )
return;
int currentFixedColumnCount = columnVirtualizationManager.FixedColumnCount;
// We must be sure the VisiblePosition is converted to visible index since some Columns can be Visible = false
int oldVisiblePosition = FixedCellPanel.CalculateVisibleIndex( e.OldVisiblePosition, dataGridContext );
int newVisiblePosition = FixedCellPanel.CalculateVisibleIndex( e.NewVisiblePosition, dataGridContext );
if( ( oldVisiblePosition < columnVirtualizationManager.FixedColumnCount ) && ( newVisiblePosition >= columnVirtualizationManager.FixedColumnCount ) )
{
// A column was moved from the fixedPanel to the scrollingPanel
// Do not increment version, it will be done by the FixedColumnCount changed
TableView.SetFixedColumnCount( columnVirtualizationManager.DataGridContext, columnVirtualizationManager.FixedColumnCount - 1 );
}
else if( ( oldVisiblePosition >= columnVirtualizationManager.FixedColumnCount ) && ( newVisiblePosition < columnVirtualizationManager.FixedColumnCount ) )
{
// A column was moved from the scrollingPanel to the fixedPanel
// Do not increment version, it will be done by the FixedColumnCount changed
TableView.SetFixedColumnCount( columnVirtualizationManager.DataGridContext, columnVirtualizationManager.FixedColumnCount + 1 );
}
else
{
columnVirtualizationManager.IncrementVersion( new UpdateMeasureRequiredEventArgs( UpdateMeasureTriggeredAction.ColumnReordering ) );
}
// This must be done to stop progation of the event even
// if only 1 ColumnManagerCell will raise it.
e.Handled = true;
}
