/// <summary>
///
/// </summary>
/// <param name="modIndex"></param>
/// <param name="installed"></param>
/// <returns></returns>
public static bool decreaseOrderingIndex(int modIndex, SortableObservableCollection <InstalledMod> installed)
{
//only change somethint if not the last object was selected
//
if (modIndex - 1 == -1)
{
return(false);
}
// store the name of the modifications which currently has the new ordering index (mod Index = Ordering Index
// because of calculation minus on and the list, the indexes and also the Collection counts from zero
//
string helperModName = installed.Where(e => e.OrderingIndex.Equals((modIndex - 1).ToString())).FirstOrDefault().ModificationName;
installed[modIndex].OrderingIndex = (modIndex - 1).ToString();
installed.Where(e => e.ModificationName.Equals(helperModName)).FirstOrDefault().OrderingIndex = modIndex.ToString();
installed.Sort(x => x.OrderingIndex, ListSortDirection.Ascending);
return(true);
}
