/// <summary>
/// Sorts the list using the given comparer.
/// </summary>
/// <param name="comparer"></param>
public void Sort(IComparer comparer, SortDirection direction)
{
if (comparer == null)
{
throw new ArgumentNullException("comparer");
}
IComparerInitialize init = comparer as IComparerInitialize;
if (init != null)
{
init.StartCompare(this);
}
try
{
// wrap?
IComparer toUse = comparer;
if (direction == SortDirection.Descending)
{
toUse = new ComparerReverser(comparer);
}
// sort...
this.InnerList.Sort(toUse);
}
finally
{
if (init != null)
{
init.EndCompare();
}
}
}
/// <summary>
/// Sorts the list by the given property.
/// </summary>
/// <param name="property"></param>
/// <param name="direction"></param>
public void ApplySort(PropertyDescriptor property, System.ComponentModel.ListSortDirection direction)
{
// are we trying to sort?
if (property == null)
{
// set...
_sortDirection = SortDirection.Ascending;
_sortProperty = null;
return;
}
// data...
SortDirection useDirection = SortDirection.Ascending;
if (direction == ListSortDirection.Descending)
{
useDirection = SortDirection.Descending;
}
// get a comparer...
IComparer comparer = this.GetComparer(property);
if (comparer == null)
{
throw new ArgumentNullException("comparer");
}
// mbr - 2010-04-05 - changed reversal method...
//// set...
//if(comparer is IComparerDirection)
// ((IComparerDirection)comparer).Direction = useDirection;
IComparer toUse = comparer;
if (useDirection == SortDirection.Descending)
{
toUse = new ComparerReverser(comparer);
}
// sort by the given property...
this.InnerList.Sort(toUse);
// set...
_sortProperty = property;
if (direction == ListSortDirection.Ascending)
{
_sortDirection = SortDirection.Ascending;
}
else
{
_sortDirection = SortDirection.Descending;
}
}