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Fixed #20931 -- Fixed select widgets nested choice rendering 

ChoiceFieldRenderer was not rendering nested choices. Added recursion
to ChoiceFieldRenderer to take nested choices and render them as
<ul>'s.
This commit is contained in:
Christopher Babiak 2013-09-26 08:28:26 -07:00 committed by Julien Phalip
parent 5866a49369
commit a834bc84d8
3 changed files with 49 additions and 6 deletions
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1
AUTHORS
View File

@ -89,6 +89,7 @@ answer newbie questions, and generally made Django that much better:
David Avsajanishvili <avsd05@gmail.com>
Mike Axiak <axiak@mit.edu>
Niran Babalola <niran@niran.org>
Christopher Babiak <chrisbabiak@gmail.com>
Vitaly Babiy <vbabiy86@gmail.com>
Morten Bagai <m@bagai.com>
Jeff Balogh <jbalogh@mozilla.com>

23
django/forms/widgets.py
View File

@ -665,10 +665,6 @@ class ChoiceFieldRenderer(object):
self.attrs = attrs
self.choices = choices
def __iter__(self):
for i, choice in enumerate(self.choices):
yield self.choice_input_class(self.name, self.value, self.attrs.copy(), choice, i)
def __getitem__(self, idx):
choice = self.choices[idx] # Let the IndexError propogate
return self.choice_input_class(self.name, self.value, self.attrs.copy(), choice, idx)
@ -685,8 +681,23 @@ class ChoiceFieldRenderer(object):
id_ = self.attrs.get('id', None)
start_tag = format_html('<ul id="{0}">', id_) if id_ else '<ul>'
output = [start_tag]
for widget in self:
output.append(format_html('<li>{0}</li>', force_text(widget)))
for i, choice in enumerate(self.choices):
choice_value, choice_label = choice
if isinstance(choice_label, (tuple,list)):
attrs_plus = self.attrs.copy()
if id_:
attrs_plus['id'] += '_{0}'.format(i)
sub_ul_renderer = ChoiceFieldRenderer(name=self.name,
value=self.value,
attrs=attrs_plus,
choices=choice_label)
sub_ul_renderer.choice_input_class = self.choice_input_class
output.append(format_html('<li>{0}{1}</li>', choice_value,
sub_ul_renderer.render()))
else:
w = self.choice_input_class(self.name, self.value,
self.attrs.copy(), choice, i)
output.append(format_html('<li>{0}</li>', force_text(w)))
output.append('</ul>')
return mark_safe('\n'.join(output))

31
tests/forms_tests/tests/test_widgets.py
View File

@ -695,6 +695,37 @@ beatle J R Ringo False""")
<li><label for="bar_1"><input type="radio" id="bar_1" value="P" name="beatle" /> Paul</label></li>
<li><label for="bar_2"><input type="radio" id="bar_2" value="G" name="beatle" /> George</label></li>
<li><label for="bar_3"><input type="radio" id="bar_3" value="R" name="beatle" /> Ringo</label></li>
</ul>""")
def test_nested_choices(self):
# Choices can be nested for radio buttons:
w = RadioSelect()
w.choices=(('unknown', 'Unknown'), ('Audio', (('vinyl', 'Vinyl'), ('cd', 'CD'))), ('Video', (('vhs', 'VHS'), ('dvd', 'DVD'))))
self.assertHTMLEqual(w.render('nestchoice', 'dvd', attrs={'id':'media'}), """<ul id="media">
<li><label for="media_0"><input id="media_0" name="nestchoice" type="radio" value="unknown" /> Unknown</label></li>
<li>Audio<ul id="media_1">
<li><label for="media_1_0"><input id="media_1_0" name="nestchoice" type="radio" value="vinyl" /> Vinyl</label></li>
<li><label for="media_1_1"><input id="media_1_1" name="nestchoice" type="radio" value="cd" /> CD</label></li>
</ul></li>
<li>Video<ul id="media_2">
<li><label for="media_2_0"><input id="media_2_0" name="nestchoice" type="radio" value="vhs" /> VHS</label></li>
<li><label for="media_2_1"><input checked="checked" id="media_2_1" name="nestchoice" type="radio" value="dvd" /> DVD</label></li>
</ul></li>
</ul>""")
# Choices can be nested for checkboxes:
w = CheckboxSelectMultiple()
w.choices=(('unknown', 'Unknown'), ('Audio', (('vinyl', 'Vinyl'), ('cd', 'CD'))), ('Video', (('vhs', 'VHS'), ('dvd', 'DVD'))))
self.assertHTMLEqual(w.render('nestchoice', ('vinyl', 'dvd'), attrs={'id':'media'}), """<ul id="media">
<li><label for="media_0"><input id="media_0" name="nestchoice" type="checkbox" value="unknown" /> Unknown</label></li>
<li>Audio<ul id="media_1">
<li><label for="media_1_0"><input checked="checked" id="media_1_0" name="nestchoice" type="checkbox" value="vinyl" /> Vinyl</label></li>
<li><label for="media_1_1"><input id="media_1_1" name="nestchoice" type="checkbox" value="cd" /> CD</label></li>
</ul></li>
<li>Video<ul id="media_2">
<li><label for="media_2_0"><input id="media_2_0" name="nestchoice" type="checkbox" value="vhs" /> VHS</label></li>
<li><label for="media_2_1"><input checked="checked" id="media_2_1" name="nestchoice" type="checkbox" value="dvd" /> DVD</label></li>
</ul></li>
</ul>""")
def test_checkboxselectmultiple(self):