public static void ListColumnClick(ColumnClickEventArgs e)
{
ListViewEx ShortLivedListView = OwnerWindow.ShortLivedListView;
if (ShortLivedListView.Items.Count == 0)
{
return;
}
if (e.Column == ColumnToSortBy)
{
ColumnSortModeAscending = !ColumnSortModeAscending;
}
else
{
ColumnToSortBy = e.Column;
ColumnSortModeAscending = false;
}
int[] NewColumnMapping = new int[ShortLivedColumnMapping.Length];
for (int MappingIndex = 0; MappingIndex < NewColumnMapping.Length; MappingIndex++)
{
NewColumnMapping[MappingIndex] = ShortLivedColumnMapping[MappingIndex];
if (ShortLivedColumnMapping[MappingIndex] < ShortLivedColumnMapping[e.Column])
{
NewColumnMapping[MappingIndex]++;
}
}
NewColumnMapping[e.Column] = 0;
// copy items to a temp array because the ListViewItemCollection doesn't have a Sort method
ListViewItem[] TempItems = new ListViewItem[ShortLivedListView.Items.Count];
uint[] TempValues = new uint[ShortLivedColumnMapping.Length];
for (int MappingIndex = 0; MappingIndex < TempItems.Length; MappingIndex++)
{
FShortLivedCallStackTag Tag = ( FShortLivedCallStackTag )ShortLivedListView.Items[MappingIndex].Tag;
for (int j = 0; j < Tag.ColumnValues.Length; j++)
{
TempValues[NewColumnMapping[j]] = Tag.ColumnValues[ShortLivedColumnMapping[j]];
}
uint[] OldValues = Tag.ColumnValues;
Tag.ColumnValues = TempValues;
// reuse old array for next value swap
TempValues = OldValues;
TempItems[MappingIndex] = ShortLivedListView.Items[MappingIndex];
}
Array.Sort <ListViewItem>(TempItems, CompareShortLivedColumns);
ShortLivedListView.BeginUpdate();
ShortLivedListView.Items.Clear();
ShortLivedListView.Items.AddRange(TempItems);
ShortLivedListView.SetSortArrow(ColumnToSortBy, ColumnSortModeAscending);
ShortLivedListView.EndUpdate();
ShortLivedColumnMapping = NewColumnMapping;
}
public int Compare(object A, object B)
{
FShortLivedCallStackTag AValues = (FShortLivedCallStackTag)((ListViewItem)A).Tag;
FShortLivedCallStackTag BValues = (FShortLivedCallStackTag)((ListViewItem)B).Tag;
foreach (int ColumnIndex in ColumnSortOrder)
{
if (AValues.ColumnValues[ColumnIndex] < BValues.ColumnValues[ColumnIndex])
{
return(ColumnSortModeAscending ? -1 : 1);
}
else if (AValues.ColumnValues[ColumnIndex] > BValues.ColumnValues[ColumnIndex])
{
return(ColumnSortModeAscending ? 1 : -1);
}
}
return(0);
}
