/// <summary>
/// Autosizes a single column.
/// </summary>
/// <param name="sender">The Object that generated the routed command.</param>
/// <param name="e">The executed routed event data.</param>
void OnFitColumn(Object sender, ExecutedRoutedEventArgs e)
{
/// This will extract from the event the column header that was the original source of the event and resize the column.
ColumnViewColumnHeader columnViewColumnHeader = e.OriginalSource as ColumnViewColumnHeader;
if (columnViewColumnHeader != null)
{
if (columnViewColumnHeader.Role != ColumnViewColumnHeaderRole.Padding)
{
this.AutoSizeColumn(columnViewColumnHeader.Column);
}
}
}
/// <summary>
/// Handles a routed command to sort the column.
/// </summary>
/// <param name="sender">The Object that generated the event.</param>
/// <param name="routedEventArgs">The routed event arguments.</param>
void OnHeaderClick(Object sender, RoutedEventArgs routedEventArgs)
{
// Extract from the command arguments the column header that generated a request to be autosized and then resize the column.
ColumnViewColumnHeader columnViewColumnHeader = routedEventArgs.OriginalSource as ColumnViewColumnHeader;
ColumnViewColumn columnViewColumn = columnViewColumnHeader.Column;
// This will prevent each change we make to the view from triggering an update of the viewed data.
using (this.consumerCollection.View.DeferRefresh())
{
// Clear out the existing sort order from the view.
this.consumerCollection.View.SortDescriptions.Clear();
// Clear the sort order for the other columns.
foreach (ColumnViewColumn siblingColumn in this.ColumnView.Columns)
{
if (siblingColumn != columnViewColumn)
{
siblingColumn.SortDirection = SortDirection.None;
}
}
// If a DisplayMemberBinding exists for this column, we'll use that binding to find the property used to populate this column.
Binding binding = columnViewColumn.DisplayMemberBinding as Binding;
if (binding != null)
{
// This will toggle the sort order for this column (or select Ascending if the sort order hasn't been set) and set the corresonding sort order in
// the collection view.
columnViewColumn.SortDirection = columnViewColumn.SortDirection == SortDirection.Ascending ? SortDirection.Descending : SortDirection.Ascending;
ListSortDirection listSortDirection =
columnViewColumn.SortDirection == SortDirection.Descending ?
ListSortDirection.Descending :
ListSortDirection.Ascending;
this.consumerCollection.View.SortDescriptions.Add(new SortDescription(binding.Path.Path, listSortDirection));
}
}
}
