Ok, i'm tired and my head hurts, and this problem is making me itch
horribly.
I have a bit of xml in this format:
<node>
<text plainText="First topic"/>
<node>
<text plainText="Subtopic"/>
<node>
<node>
<text plainText="Subtopic"/>
<node>
<text plainText="SubSubtopic"/>
</node>
<node>
<text plainText="SubSubtopic"/>
</node>
<node>
<text plainText="SubSubtopic"/>
</node>
<node>
<text plainText="SubSubtopic"/>
</node>
<node>
<node>
<text plainText="Subtopic"/>
<node>
<node>
<text plainText="Subtopic"/>
<node>
</node>
In short, there's one topic at the bottom of the tree, which branches
out into 4 sub-topics. Then one of those subtopics has 4 subtopics under
that again, and any one of those subtopics could branch further.
The problem here is that the vertical scale of the visual representation
of one of these topics grows with every addition to any tree under them.
So for instance the second subtopic, which has 4 more topics nested,
would push the first, third and fourth subtopic up and down by about
half the height of its own tree.
For an illustration, check out http://andreas.rayon.no/temp/tree.jpg
Now how the hell do i get the scale of a tree like that. The first topic
could be 20 px high, but has 2 topics nested, making it 40 px tall
(since they spread vertically and horizontally). Then one of those
topics again could have 3 topics nested, and one of those could have one
nested, and then that could have 8 nested again. How do i go through the
tree to get the height and align like that? I've never had to work with
xml with this depth before and it's really tearing at my head.
Anyone done anything like this before?
- Andreas
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