/// <summary>Ehes the list view sort.</summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// <code>
/// Behaviour when user clicked on:
/// - primary sort column: toggle direction of primary sort column, leave secondary as is
/// - secondary sort column: make old primary sort column now secondary sort column, clicked column now the primary sort column with same direction as formerly secondary sort column
/// - other column: make old primary sort column now secondary sort column, clicked column now the primary sort column ascending
/// </code>
/// </remarks>
private void EhListViewSort(object sender, RoutedEventArgs e)
{
var columnHeaderClicked = sender as GridViewColumnHeader;
String sortPropertyName = columnHeaderClicked.Tag as string;
bool clickedOnPrimarySortColumn = columnHeaderClicked.Equals(_currentPrimarySortedColumnHeader);
bool clickedOnSecondarySortColumn = columnHeaderClicked.Equals(_currentSecondarySortedColumnHeader);
_listView.Items.SortDescriptions.Clear();
if (null != _currentSecondarySortedColumnHeader)
{
AdornerLayer.GetAdornerLayer(_currentSecondarySortedColumnHeader).Remove(_currentSecondarySortAdorner);
}
if (null != _currentPrimarySortedColumnHeader)
{
AdornerLayer.GetAdornerLayer(_currentPrimarySortedColumnHeader).Remove(_currentPrimarySortAdorner);
}
ListSortDirection newDir = ListSortDirection.Ascending;
if (clickedOnPrimarySortColumn)
{
if (_currentPrimarySortAdorner.Direction == ListSortDirection.Ascending)
{
newDir = ListSortDirection.Descending;
}
_currentPrimarySortAdorner = new Common.SortAdorner(_currentPrimarySortedColumnHeader, newDir, false);
}
else if (clickedOnSecondarySortColumn)
{
newDir = _currentSecondarySortAdorner.Direction;
_currentSecondarySortAdorner = new Common.SortAdorner(_currentPrimarySortedColumnHeader, _currentPrimarySortAdorner.Direction, true);
_currentSecondarySortedColumnHeader = _currentPrimarySortedColumnHeader;
_currentPrimarySortAdorner = new Common.SortAdorner(columnHeaderClicked, newDir, false);
_currentPrimarySortedColumnHeader = columnHeaderClicked;
}
else // clicked in any other column
{
if (null != _currentPrimarySortedColumnHeader)
{
_currentSecondarySortAdorner = new Common.SortAdorner(_currentPrimarySortedColumnHeader, _currentPrimarySortAdorner.Direction, true);
_currentSecondarySortedColumnHeader = _currentPrimarySortedColumnHeader;
}
_currentPrimarySortAdorner = new Common.SortAdorner(columnHeaderClicked, newDir, false);
_currentPrimarySortedColumnHeader = columnHeaderClicked;
}
AdornerLayer.GetAdornerLayer(_currentPrimarySortedColumnHeader).Add(_currentPrimarySortAdorner);
_listView.Items.SortDescriptions.Add(new SortDescription(_currentPrimarySortedColumnHeader.Tag as string, _currentPrimarySortAdorner.Direction));
if (null != _currentSecondarySortedColumnHeader)
{
AdornerLayer.GetAdornerLayer(_currentSecondarySortedColumnHeader).Add(_currentSecondarySortAdorner);
_listView.Items.SortDescriptions.Add(new SortDescription(_currentSecondarySortAdorner.Tag as string, _currentSecondarySortAdorner.Direction));
}
}
/// <summary>Ehes the list view sort.</summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// <code>
/// Behaviour when user clicked on:
/// - primary sort column: toggle direction of primary sort column, leave secondary as is
/// - secondary sort column: make old primary sort column now secondary sort column, clicked column now the primary sort column with same direction as formerly secondary sort column
/// - other column: make old primary sort column now secondary sort column, clicked column now the primary sort column ascending
/// </code>
/// </remarks>
private void EhListViewSort(object sender, RoutedEventArgs e)
{
GridViewColumnHeader columnHeaderClicked = sender as GridViewColumnHeader;
String sortPropertyName = columnHeaderClicked.Tag as String;
bool clickedOnPrimarySortColumn = columnHeaderClicked.Equals(_currentPrimarySortedColumnHeader);
bool clickedOnSecondarySortColumn = columnHeaderClicked.Equals(_currentSecondarySortedColumnHeader);
_listView.Items.SortDescriptions.Clear();
if (null != _currentSecondarySortedColumnHeader)
AdornerLayer.GetAdornerLayer(_currentSecondarySortedColumnHeader).Remove(_currentSecondarySortAdorner);
if (null != _currentPrimarySortedColumnHeader)
AdornerLayer.GetAdornerLayer(_currentPrimarySortedColumnHeader).Remove(_currentPrimarySortAdorner);
ListSortDirection newDir = ListSortDirection.Ascending;
if (clickedOnPrimarySortColumn)
{
if (_currentPrimarySortAdorner.Direction == ListSortDirection.Ascending)
newDir = ListSortDirection.Descending;
_currentPrimarySortAdorner = new Common.SortAdorner(_currentPrimarySortedColumnHeader, newDir, false);
}
else if (clickedOnSecondarySortColumn)
{
newDir = _currentSecondarySortAdorner.Direction;
_currentSecondarySortAdorner = new Common.SortAdorner(_currentPrimarySortedColumnHeader, _currentPrimarySortAdorner.Direction, true);
_currentSecondarySortedColumnHeader = _currentPrimarySortedColumnHeader;
_currentPrimarySortAdorner = new Common.SortAdorner(columnHeaderClicked, newDir, false);
_currentPrimarySortedColumnHeader = columnHeaderClicked;
}
else // clicked in any other column
{
if (null != _currentPrimarySortedColumnHeader)
{
_currentSecondarySortAdorner = new Common.SortAdorner(_currentPrimarySortedColumnHeader, _currentPrimarySortAdorner.Direction, true);
_currentSecondarySortedColumnHeader = _currentPrimarySortedColumnHeader;
}
_currentPrimarySortAdorner = new Common.SortAdorner(columnHeaderClicked, newDir, false);
_currentPrimarySortedColumnHeader = columnHeaderClicked;
}
AdornerLayer.GetAdornerLayer(_currentPrimarySortedColumnHeader).Add(_currentPrimarySortAdorner);
_listView.Items.SortDescriptions.Add(new SortDescription(_currentPrimarySortedColumnHeader.Tag as string, _currentPrimarySortAdorner.Direction));
if (null != _currentSecondarySortedColumnHeader)
{
AdornerLayer.GetAdornerLayer(_currentSecondarySortedColumnHeader).Add(_currentSecondarySortAdorner);
_listView.Items.SortDescriptions.Add(new SortDescription(_currentSecondarySortAdorner.Tag as string, _currentSecondarySortAdorner.Direction));
}
}
