I'm using SelectCategory 0.8.

By default the category tree is collapsed (at least until you apply my patch from 27795 to fix $wgSelectCategoryMaxLevel ;-)

I'd like to have an additional config option ($wgSelectCategoryOpenSelected ?) that automatically opens all parts of the tree that contain a selected category.

For example, I an article belongs to the category "dog", the tree should be displayed like this:

• animals
  • pets
    • dog <--- selected category
    • cat + wild

I'm not providing a patch this time ;-) but I'll give you some implementation hints:

The current code won't work :-( because you can't go upwards in the tree and mark an item as open, which is something you need to do to implement this.

A working variant is probably to have a nested array like (re-using my example categories from above)

$category_tree = array(

'animals' => array ( 0, 1, array(
    'dog'     => array ( 1, 0 ),
    'cat'     => array ( 0, 0 ),
),
'wild     => array ( 0, 0, array (
    # ...
)

)

The included arrays have the following structure: (example: 'animals')

• selected?
• open in tree by default?
• array with sub-categories - if no sub-categories exist, you can
  • leave out this part (as in my example)
  • use an empty array()

You can also use named array keys, for example

'animals' => array ( selected => 0, open => 1, subcategories => array(...) ),

Version: unspecified
Severity: enhancement