Let's consider a node with index N, that has M children.
There are 4 possibilites when removing nodes( at last as exposed by the Lua
binding):
remove everything: clear lastaddnode as well
remove node N: clear lastaddnode if it was N.
remove node N and all its children: if lastaddnode < N, do nothing. clear
lastaddnode if it is in the range [N,N+M], else lastaddnode -= M+1
remove children of node N: if lastaddnode <= N, do nothing. clear
lastaddnode if it is in the range [N+1,N+M]. else lastaddnode -= M
Doesn't it catch every situation?
Now I agree that it it is better to use lastaddnode right after adding a
node. But then I like tidy things :-).
Regards,
Benoit.
2012/7/12 Antonio Scuri <[email protected]>
> Hi,****
>
> ** **
>
> What I can do to improve that is to check is the node being removed is
> the last added node, and then clear that value. And to also clear that
> value when all nodes are removed. But I don’t know if I will catch all
> situations. The idea behind the last added node is for it to be used right
> after the node was added.****
>
> ** **
>
> Best,****
>
> Scuri****
>
> ** **
>
> *From:* Benoit Germain [mailto:[email protected]]
> *Sent:* terça-feira, 10 de julho de 2012 05:22
> *To:* IUP discussion list
> *Subject:* [Iup-users] [IUP 3.6 Windows 7] IupTree DELNODE and LASTADDNODE
> ****
>
> ** **
>
> Hello,
>
> When I have a tree that contains some nodes and I delete them with
> tree.delnode = "ALL", I notice that tree.lastaddnode still contains some
> non-nil value though it is no longer relevant. When nodes are removed in a
> way that affects the id of the last added node, shouldn't tree.lastaddnode
> be updated to the correct id if the node still exists, and set to nil when
> the node itself is removed?
>
> Regards,
>
> --
> Benoit.****
>
>
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