Hi,
I'm looking for an efficient way (hack) to access the parent of a given
feature within a callback function in a gbrowse config. Currently I do
it like this:
if ($feature->get_tag_values('parent_id')) {
my $store= $parent->object_store;
if ($store and $store->can_store_parentage) {
do {
my @p = $parent->get_tag_values('parent_id');
if (@p) {
$parent = @{ [ grep {$_ and $_->seq_id eq
$feature->seq_id and $_->location->contains($feature->location)}
$store->get_features_by_alias($p[0])] }[0];
}
else { last; }
}
until ($parent and ($name = $parent->name));
}
}
The callback is used in to produce popups within a link attribute
(ggbmenu.js).
The problems with this approach are a)effciency and b) if a feature on
the same region exists with the same ID.
So I wonder if there is some "magic" object/variable in the scope of the
callback I could use? I originally hoped that this would work with
something like $GBROWSE...
Additionally, it would be great if someone could point me to code that
uses these "meta variables" (e.g. access browser or track or panel
objects) to generate content.
Thanks in advance,
Daniel
--
Daniel Lang
University of Freiburg, Plant Biotechnology
Schaenzlestr. 1, D-79104 Freiburg
fax: +49 761 203 6945
phone: +49 761 203 6974
homepage:
http://www.plant-biotech.net/e-mail:
daniel.lang@...
#################################################
My software never has bugs.
It just develops random features.
#################################################
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