Hi Derrell,
Once again you are my personal hero. I read the doc many times but
dont understand that their are differences between .setData()
and .setData(null). May bee could be written more clearly on the api
reference? Should I open a bug or am I just the only one who dont
understand?
Regards Sak
Von meinem iPhone gesendet
Am 29.09.2010 um 19:42 schrieb Derrell Lipman <derrell.lip...@unwireduniverse.com
>:
On Tue, Sep 28, 2010 at 16:10, <i...@saksys.de> wrote:
Hi List,
i wrote a little function to sort leafs (branch children). So I just
clone
all nodes one by one. If branch has children leafs, just reorder the
children array of the branch and set it in return.
That was very effective. But after using prune, NULL stands for
deleted
nodes. But if I set that array with NULL elements (using .setData
()), I
got an error: nodeArr[i] is null at function setData -> render()
So is this a bug or is their a nice way to get the NULLs rid of my
tree?
There is no way to get rid of the NULLs, and in fact, you don't want
to get rid of them. They must remain there because otherwise the
indexes into the array get messed up, and those indexes are the
values returned by the various tree functions to reference a
particular node and that reference the children of a node.
You indicated that you passed the modified array. That is incorrect.
You do not pass the altered array to setData(). Instead, you simply
call setData(NULL). When it renders the data, it skips nodes that
are null:
// Skip deleted nodes
if (child == null)
{
continue;
}
Derrell
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