Moved logic to set sortable_foreign_key property to Sortable instead of SortableAdmin.

Added instance methods to get next or previous instance, optionally filtered by a sortable foreign key field.
This commit is contained in:
Brandon Taylor
2014-09-05 23:02:29 -04:00
parent 361305d6a5
commit fee0ba81b0
3 changed files with 32 additions and 10 deletions
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