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[1.6.x] Fixed #21858 -- Clarified 1.6 release note regarding M2M help text changes. 

Thanks lee at semel.net for the report.

Backport of f30e6590f4 from master
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Tim Graham 2014-03-29 10:17:19 -04:00
parent 31892af3f0
commit 30ba506e97
1 changed files with 11 additions and 13 deletions
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@ -642,21 +642,24 @@ Help text of model form fields for ManyToManyField fields
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HTML rendering of model form fields corresponding to HTML rendering of model form fields corresponding to
:class:`~django.db.models.ManyToManyField` ORM model fields used to get the :class:`~django.db.models.ManyToManyField` model fields used to get the
hard-coded sentence hard-coded sentence:
*Hold down "Control", or "Command" on a Mac, to select more than one.* *Hold down "Control", or "Command" on a Mac, to select more than one.*
(or its translation to the active locale) imposed as the help legend shown along (or its translation to the active locale) imposed as the help legend shown along
them if neither :attr:`model <django.db.models.Field.help_text>` nor :attr:`form them if neither :attr:`model <django.db.models.Field.help_text>` nor :attr:`form
<django.forms.Field.help_text>` ``help_text`` attribute was specified by the <django.forms.Field.help_text>` ``help_text`` attributes were specified by the
user (or appended to, if ``help_text`` was provided.) user (or this string was appended to any ``help_text`` that was provided).
This happened always, possibly even with form fields implementing user Since this happened at the model layer, there was no way to prevent the text
interactions that don't involve a keyboard and/or a mouse and was handled at the from appearing in cases where it wasn't applicable such as form fields that
model field layer. implement user interactions that don't involve a keyboard and/or a mouse.
Starting with Django 1.6 this doesn't happen anymore. Starting with Django 1.6, as an ad-hoc temporary backward-compatibility
provision, the logic to add the "Hold down..." sentence has been moved to the
model form field layer and modified to add the text only when the associated
widget is :class:`~django.forms.SelectMultiple` or selected subclasses.
The change can affect you in a backward incompatible way if you employ custom The change can affect you in a backward incompatible way if you employ custom
model form fields and/or widgets for ``ManyToManyField`` model fields whose UIs model form fields and/or widgets for ``ManyToManyField`` model fields whose UIs
@ -669,11 +672,6 @@ facilities together with Django built-in form :doc:`fields </ref/forms/fields>`
and :doc:`widgets </ref/forms/widgets>` aren't affected but need to be aware of and :doc:`widgets </ref/forms/widgets>` aren't affected but need to be aware of
what's described in :ref:`m2m-help_text-deprecation` below. what's described in :ref:`m2m-help_text-deprecation` below.
This is because, as an ad-hoc temporary backward-compatibility provision, the
described non-standard behavior has been preserved but moved to the model form
field layer and occurs only when the associated widget is
:class:`~django.forms.SelectMultiple` or selected subclasses.
QuerySet iteration QuerySet iteration
~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~