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Code Issues Releases Wiki Activity

Fixed #17922 -- Added required_css_class to form label.

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Thanks hanson2010 for the suggestion.
This commit is contained in:
Anubhav Joshi 2014-03-03 23:29:03 +05:30 committed by Tim Graham
parent 2ec82c7387
commit 416a858023
4 changed files with 50 additions and 12 deletions
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6
django/forms/forms.py
View File

@ -621,6 +621,12 @@ class BoundField(object):
id_for_label = widget.id_for_label(id_)
if id_for_label:
attrs = dict(attrs or {}, **{'for': id_for_label})
if self.field.required and hasattr(self.form, 'required_css_class'):
attrs = attrs or {}
if 'class' in attrs:
attrs['class'] += ' ' + self.form.required_css_class
else:
attrs['class'] = self.form.required_css_class
attrs = flatatt(attrs) if attrs else ''
contents = format_html('<label{0}>{1}</label>', attrs, contents)
else:

19
docs/ref/forms/api.txt
View File

@ -511,10 +511,19 @@ classes, as needed. The HTML will look something like::
>>> f = ContactForm(data)
>>> print(f.as_table())
<tr class="required"><th><label for="id_subject">Subject:</label> ...
<tr class="required"><th><label for="id_message">Message:</label> ...
<tr class="required error"><th><label for="id_sender">Sender:</label> ...
<tr class="required"><th><label class="required" for="id_subject">Subject:</label> ...
<tr class="required"><th><label class="required" for="id_message">Message:</label> ...
<tr class="required error"><th><label class="required" for="id_sender">Sender:</label> ...
<tr><th><label for="id_cc_myself">Cc myself:<label> ...
>>> f['subject'].label_tag()
<label class="required" for="id_subject">Subject:</label>
>>> f['subject'].label_tag(attrs={'class': 'foo'})
<label for="id_subject" class="foo required">Subject:</label>
.. versionchanged:: 1.8
The ``required_css_class`` will also be added to the ``<label>`` tag as
seen above.
.. _ref-forms-api-configuring-label:
@ -799,6 +808,10 @@ additional attributes for the ``<label>`` tag.
template, you could write a custom filter to allow passing parameters to
``label_tag``.
.. versionchanged:: 1.8
The label includes :attr:`~Form.required_css_class` if applicable.
.. method:: BoundField.css_classes()
When you use Django's rendering shortcuts, CSS classes are used to

4
docs/releases/1.8.txt
View File

@ -112,6 +112,10 @@ Forms
* The new :meth:`~django.forms.Form.has_error()` method allows checking
if a specific error has happened.
* If :attr:`~django.forms.Form.required_css_class` is defined on a form, then
the ``<label>`` tags for required fields will have this class present in its
attributes.
Internationalization
^^^^^^^^^^^^^^^^^^^^

33
tests/forms_tests/tests/test_forms.py
View File

@ -1814,34 +1814,49 @@ class FormsTestCase(TestCase):
p.error_css_class = 'error'
p.required_css_class = 'required'
self.assertHTMLEqual(p.as_ul(), """<li class="required error"><ul class="errorlist"><li>This field is required.</li></ul><label for="id_name">Name:</label> <input type="text" name="name" id="id_name" /></li>
<li class="required"><label for="id_is_cool">Is cool:</label> <select name="is_cool" id="id_is_cool">
self.assertHTMLEqual(p.as_ul(), """<li class="required error"><ul class="errorlist"><li>This field is required.</li></ul><label class="required" for="id_name">Name:</label> <input type="text" name="name" id="id_name" /></li>
<li class="required"><label class="required" for="id_is_cool">Is cool:</label> <select name="is_cool" id="id_is_cool">
<option value="1" selected="selected">Unknown</option>
<option value="2">Yes</option>
<option value="3">No</option>
</select></li>
<li><label for="id_email">Email:</label> <input type="email" name="email" id="id_email" /></li>
<li class="required error"><ul class="errorlist"><li>This field is required.</li></ul><label for="id_age">Age:</label> <input type="number" name="age" id="id_age" /></li>""")
<li class="required error"><ul class="errorlist"><li>This field is required.</li></ul><label class="required" for="id_age">Age:</label> <input type="number" name="age" id="id_age" /></li>""")
self.assertHTMLEqual(p.as_p(), """<ul class="errorlist"><li>This field is required.</li></ul>
<p class="required error"><label for="id_name">Name:</label> <input type="text" name="name" id="id_name" /></p>
<p class="required"><label for="id_is_cool">Is cool:</label> <select name="is_cool" id="id_is_cool">
<p class="required error"><label class="required" for="id_name">Name:</label> <input type="text" name="name" id="id_name" /></p>
<p class="required"><label class="required" for="id_is_cool">Is cool:</label> <select name="is_cool" id="id_is_cool">
<option value="1" selected="selected">Unknown</option>
<option value="2">Yes</option>
<option value="3">No</option>
</select></p>
<p><label for="id_email">Email:</label> <input type="email" name="email" id="id_email" /></p>
<ul class="errorlist"><li>This field is required.</li></ul>
<p class="required error"><label for="id_age">Age:</label> <input type="number" name="age" id="id_age" /></p>""")
<p class="required error"><label class="required" for="id_age">Age:</label> <input type="number" name="age" id="id_age" /></p>""")
self.assertHTMLEqual(p.as_table(), """<tr class="required error"><th><label for="id_name">Name:</label></th><td><ul class="errorlist"><li>This field is required.</li></ul><input type="text" name="name" id="id_name" /></td></tr>
<tr class="required"><th><label for="id_is_cool">Is cool:</label></th><td><select name="is_cool" id="id_is_cool">
self.assertHTMLEqual(p.as_table(), """<tr class="required error"><th><label class="required" for="id_name">Name:</label></th><td><ul class="errorlist"><li>This field is required.</li></ul><input type="text" name="name" id="id_name" /></td></tr>
<tr class="required"><th><label class="required" for="id_is_cool">Is cool:</label></th><td><select name="is_cool" id="id_is_cool">
<option value="1" selected="selected">Unknown</option>
<option value="2">Yes</option>
<option value="3">No</option>
</select></td></tr>
<tr><th><label for="id_email">Email:</label></th><td><input type="email" name="email" id="id_email" /></td></tr>
<tr class="required error"><th><label for="id_age">Age:</label></th><td><ul class="errorlist"><li>This field is required.</li></ul><input type="number" name="age" id="id_age" /></td></tr>""")
<tr class="required error"><th><label class="required" for="id_age">Age:</label></th><td><ul class="errorlist"><li>This field is required.</li></ul><input type="number" name="age" id="id_age" /></td></tr>""")
def test_label_has_required_css_class(self):
"""
#17922 - required_css_class is added to the label_tag() of required fields.
"""
class SomeForm(Form):
required_css_class = 'required'
field = CharField(max_length=10)
field2 = IntegerField(required=False)
f = SomeForm({'field': 'test'})
self.assertHTMLEqual(f['field'].label_tag(), '<label for="id_field" class="required">Field:</label>')
self.assertHTMLEqual(f['field'].label_tag(attrs={'class': 'foo'}),
'<label for="id_field" class="foo required">Field:</label>')
self.assertHTMLEqual(f['field2'].label_tag(), '<label for="id_field2">Field2:</label>')
def test_label_split_datetime_not_displayed(self):
class EventForm(Form):