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Diffstat (limited to 'docs/ref')
| -rw-r--r-- | docs/ref/contrib/admin/index.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/docs/ref/contrib/admin/index.txt b/docs/ref/contrib/admin/index.txt index 73ea74adc0..8f457e77ac 100644 --- a/docs/ref/contrib/admin/index.txt +++ b/docs/ref/contrib/admin/index.txt @@ -1728,6 +1728,11 @@ The ``InlineModelAdmin`` class adds: doesn't directly correlate to the number of objects, but can if the value is small enough. See :ref:`model-formsets-max-num` for more information. + .. versionadded:: 1.6 + + :meth:`InlineModelAdmin.get_max_num` also allows you to customize the + maximum number of extra forms. + .. attribute:: InlineModelAdmin.raw_id_fields By default, Django's admin uses a select-box interface (<select>) for @@ -1787,6 +1792,27 @@ The ``InlineModelAdmin`` class adds: return extra - obj.binarytree_set.count() return extra +.. method:: InlineModelAdmin.get_max_num(self, request, obj=None, **kwargs) + + .. versionadded:: 1.6 + + Returns the maximum number of extra inline forms to use. By default, + returns the :attr:`InlineModelAdmin.max_num` attribute. + + Override this method to programmatically determine the maximum number of + inline forms. For example, this may be based on the model instance + (passed as the keyword argument ``obj``):: + + class BinaryTreeAdmin(admin.TabularInline): + model = BinaryTree + + def get_max_num(self, request, obj=None, **kwargs): + max_num = 10 + if obj.parent: + return max_num - 5 + return max_num + + Working with a model with two or more foreign keys to the same parent model --------------------------------------------------------------------------- |