Okay, more investigation led to enlightenment:
* Gereon A. Frey <[email protected]> [090318 11:22]:
[..]
> // Compute sum
> var sum = 0;
> for (var state in states)
> {
> if (bits[state] == null) {
> bits[state] = 1<<entry.$$length++;
> }
>
> sum += bits[state];
> }
>
> I haven't understood the code fully, but the sum is computed from the bits
> values which seems to be a dictionary of valid values. This could be wrong as
> one would like to add the actually set values, aka
> sum += states[state];
the given code is correct as for each available feature a bit is set to
differ the available states.
The "error" is in TreeVirtual where the following is done:
var states = { opened : node.bOpened };
This should better be written like:
var states = (node.bOpened) ? { opened : true } : {};
This works like a charm, but I'm not quite sure whether the bug is
really in TreeVirtual or if the API is "wrong" there.
Gereon
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