[OSM-talk] JOSM wishlist: forget and undo download
Matthias Julius
lists at julius-net.net
Sat May 19 09:10:16 BST 2007
Frederik Ramm <frederik at remote.org> writes:
> A potential problem with this is that even deleted items count towards
> references, so you cannot "forget" a segment if you have deleted the way
> that contained the segment - the way still holds a reference to the
> segment, but you cannot "forget" the way as it is invisible! The reason
> for also counting deleted items is that you could undo the deletion
> anytime (but you cannot undo the forgetting - it is recorded nowhere),
> and thus if you first delete a way, then forget the segments, then undo
> the deletion, you end up with an incomplete way, or if the same thing
> happens with segments and nodes, you have an invalid segment.
This sounds like logical behavior to me.
>
> Would the function be useful as it is? Should it refuse to "forget"
> items which have unsaved changes?
It could ask the user.
Matthias
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