public void RepositionRowForComparable(int comparableId)
{
var comparable = (from c in Comparables
where c.Id == comparableId
select c).FirstOrDefault();
if (comparable == null)
{
return;
}
// refresh the comparable object
var index = Comparables.IndexOf(comparable);
var refreshedComparable = DataService.GetComparable(comparableId);
Comparables[index] = refreshedComparable;
// reorder the list again
Comparables = Comparables.OrderBy(c => c.GetPricePerBaseUnit(Comparison.UnitId)).ToList();
// get the new index of the comparable
var newIndex = Comparables.IndexOf(refreshedComparable);
if (newIndex == index)
{
var indexPaths = new NSIndexPath[] { NSIndexPath.FromRowSection(index, 0) };
ReloadRows(indexPaths, UITableViewRowAnimation.None);
SelectRow(indexPaths[0], false, UITableViewScrollPosition.None);
}
else
{
BeginUpdates();
InsertRows(new NSIndexPath[] { NSIndexPath.FromRowSection(newIndex, 0) }, UITableViewRowAnimation.Fade);
DeleteRows(new NSIndexPath[] { NSIndexPath.FromRowSection(index, 0) }, UITableViewRowAnimation.Fade);
EndUpdates();
if (newIndex == 0)
{
UpdateCheapestComparable(refreshedComparable);
}
}
}
public void AddComparable(ComparableModel comparable)
{
if (Comparables.Count == 0)
{
Comparables.Add(comparable);
UpdateCheapestComparable(comparable);
ReloadRows(new NSIndexPath[] { NSIndexPath.FromRowSection(0, 0) }, UITableViewRowAnimation.Fade);
}
else
{
Comparables.Add(comparable);
Comparables = Comparables.OrderBy(c => c.GetPricePerBaseUnit(Comparison.UnitId)).ToList();
var addedAt = Comparables.IndexOf(comparable);
if (addedAt == 0)
{
UpdateCheapestComparable(comparable);
}
BeginUpdates();
InsertRows(new NSIndexPath[] { NSIndexPath.FromRowSection(addedAt, 0) }, UITableViewRowAnimation.Fade);
EndUpdates();
}
SetScrollAndSelection();
}