public override int Compare(int xDataIndex, int yDataIndex)
{
ListSortDirection lastSortDirection = ListSortDirection.Ascending;
if (m_sortDescriptionInfos != null)
{
int result = 0;
int count = m_sortDescriptionInfos.Length;
for (int i = 0; i < count; i++)
{
SortDescriptionInfo sortDescriptionInfo = m_sortDescriptionInfos[i];
lastSortDirection = sortDescriptionInfo.SortDirection;
if (sortDescriptionInfo.Property == null)
{
continue;
}
IComparer sortComparer = sortDescriptionInfo.SortComparer;
DataStore dataStore = sortDescriptionInfo.DataStore;
if (sortComparer != null)
{
result = sortComparer.Compare(dataStore.GetData(xDataIndex), dataStore.GetData(yDataIndex));
}
else
{
result = dataStore.Compare(xDataIndex, yDataIndex);
}
if (result != 0)
{
if (lastSortDirection == ListSortDirection.Descending)
{
result = -result;
}
return(result);
}
}
}
if (lastSortDirection == ListSortDirection.Descending)
{
return(yDataIndex - xDataIndex);
}
return(xDataIndex - yDataIndex);
}
public bool IsReverseOf(SortDescriptionInfo sortDescriptionInfo)
{
if (sortDescriptionInfo.m_property == m_property)
{
switch (sortDescriptionInfo.m_direction)
{
case ListSortDirection.Ascending:
return(m_direction == ListSortDirection.Descending);
case ListSortDirection.Descending:
return(m_direction == ListSortDirection.Ascending);
}
}
return(false);
}
public override bool Equals(object obj)
{
SortDescriptionInfo sortDescriptionInfo = obj as SortDescriptionInfo;
if (sortDescriptionInfo == null)
{
return(false);
}
if ((sortDescriptionInfo.m_direction == m_direction) &&
(sortDescriptionInfo.m_property == m_property))
{
return(true);
}
return(false);
}
