[Koha-bugs] [Bug 8523] Authority hierarchies only support UNIMARC

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=8523

Jared Camins-Esakov <jcamins at cpbibliography.com> changed:

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--- Comment #6 from Jared Camins-Esakov <jcamins at cpbibliography.com> ---
Created attachment 11885
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http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=11885&action=edit
Bug 8523: Display auth hierarchies w/all marcflavours

This commit adds support for displaying authority hierarchies for all
flavours of MARC, not just UNIMARC. Display now uses the jQuery
jstree plugin, selected with the help of Owen Leonard, resulting in a
much faster experience for users.

Be aware that the jstree file uses tabs rather than 4-space indentation,
which I left as-is so as to make it easier to integrate upstream
releases in the future.

To test:
1) Enable the AuthDisplayHierarchy syspref
2) Create authority records with a hierarchy of see also fields
   (in MARC21/NORMARC, you'll be using 5xx fields for this, with a
   subfield $w=g for broader terms and subfield $w=h for narrower
   terms)
3) View the authorities in the OPAC, noting the hierarchical view at
   the top of the page.

This initial patch does not create bidirection linkages from
unidirectional links in MARC21 authorities. This means that when moving
up the authority hierarchy, lower levels will disappear. This is
intentional, as the first patch is intended merely to ensure that
AuthDisplayHierarchy functions the same for all marcflavours. A future
patch will add a cron job to generate the bidirectional linkages, once
we are sure that the hierarchy functionality for UNIMARC and
MARC21/NORMARC coexists peaceably.

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