private static void Reorder(int newPriority, Student student, Table target)
{
int originalPrioirty = student.Priority;
if (newPriority == originalPrioirty)
{
//do nothing?
}
else if (newPriority < originalPrioirty)
//the item was moved up, so everything else, up to the item that was moved, gets the priority plus one
{
foreach (Student x in target.Students)
{
if (x.Priority >= newPriority && x.Priority < originalPrioirty)
{
x.Priority++;
}
}
}
else //the item was moved down, so every thing else, up to the item that was moved, gets a priority minus one
{
foreach (Student x in target.Students)
{
if (x.Priority <= newPriority && x.Priority > originalPrioirty)
{
x.Priority--;
}
}
}
}
private static void Reorder(Table table)
{
int i = 0;
foreach (var student in table.Students.OrderBy(x => x.Priority))
{
student.Priority = i;
i++;
}
}