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Code Issues Releases Wiki Activity

Fixed #3107 -- newforms: Added Form.as_p()

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@4178 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2006-12-07 06:34:37 +00:00
parent 44add112e5
commit 7e269bd390
2 changed files with 72 additions and 7 deletions
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27
django/newforms/forms.py
View File

@ -124,6 +124,33 @@ class Form(StrAndUnicode):
output.append(str_hidden)
return u'\n'.join(output)
def as_p(self):
"Returns this form rendered as HTML <p>s."
top_errors = self.non_field_errors()
output, hidden_fields = [], []
for name, field in self.fields.items():
bf = BoundField(self, field, name)
bf_errors = bf.errors # Cache in local variable.
if bf.is_hidden:
if bf_errors:
top_errors.extend(['(Hidden field %s) %s' % (name, e) for e in bf_errors])
hidden_fields.append(unicode(bf))
else:
if bf_errors:
output.append(u'<p>%s</p>' % bf_errors)
output.append(u'<p>%s %s</p>' % (bf.label_tag(escape(bf.verbose_name+':')), bf))
if top_errors:
output.insert(0, u'<p>%s</p>' % top_errors)
if hidden_fields: # Insert any hidden fields in the last <p>.
str_hidden = u''.join(hidden_fields)
if output:
last_td = output[-1]
# Chop off the trailing '</p>' and insert the hidden fields.
output[-1] = last_td[:-4] + str_hidden + '</p>'
else: # If there aren't any '<p>'s in the output, just append the hidden fields.
output.append(str_hidden)
return u'\n'.join(output)
def non_field_errors(self):
"""
Returns an ErrorList of errors that aren't associated with a particular

52
tests/regressiontests/forms/tests.py
View File

@ -1368,6 +1368,13 @@ False
<li><ul class="errorlist"><li>This field is required.</li></ul>First name: <input type="text" name="first_name" /></li>
<li><ul class="errorlist"><li>This field is required.</li></ul>Last name: <input type="text" name="last_name" /></li>
<li><ul class="errorlist"><li>This field is required.</li></ul>Birthday: <input type="text" name="birthday" /></li>
>>> print p.as_p()
<p><ul class="errorlist"><li>This field is required.</li></ul></p>
<p>First name: <input type="text" name="first_name" /></p>
<p><ul class="errorlist"><li>This field is required.</li></ul></p>
<p>Last name: <input type="text" name="last_name" /></p>
<p><ul class="errorlist"><li>This field is required.</li></ul></p>
<p>Birthday: <input type="text" name="birthday" /></p>
If you don't pass any values to the Form's __init__(), or if you pass None,
the Form won't do any validation. Form.errors will be an empty dictionary *but*
@ -1389,6 +1396,10 @@ False
<li>First name: <input type="text" name="first_name" /></li>
<li>Last name: <input type="text" name="last_name" /></li>
<li>Birthday: <input type="text" name="birthday" /></li>
>>> print p.as_p()
<p>First name: <input type="text" name="first_name" /></p>
<p>Last name: <input type="text" name="last_name" /></p>
<p>Birthday: <input type="text" name="birthday" /></p>
Unicode values are handled properly.
>>> p = Person({'first_name': u'John', 'last_name': u'\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111', 'birthday': '1940-10-9'})
@ -1396,6 +1407,8 @@ Unicode values are handled properly.
u'<tr><td>First name:</td><td><input type="text" name="first_name" value="John" /></td></tr>\n<tr><td>Last name:</td><td><input type="text" name="last_name" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" /></td></tr>\n<tr><td>Birthday:</td><td><input type="text" name="birthday" value="1940-10-9" /></td></tr>'
>>> p.as_ul()
u'<li>First name: <input type="text" name="first_name" value="John" /></li>\n<li>Last name: <input type="text" name="last_name" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" /></li>\n<li>Birthday: <input type="text" name="birthday" value="1940-10-9" /></li>'
>>> p.as_p()
u'<p>First name: <input type="text" name="first_name" value="John" /></p>\n<p>Last name: <input type="text" name="last_name" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" /></p>\n<p>Birthday: <input type="text" name="birthday" value="1940-10-9" /></p>'
>>> p = Person({'last_name': u'Lennon'})
>>> p.errors
@ -1432,14 +1445,18 @@ If it's a string that contains '%s', Django will use that as a format string
into which the field's name will be inserted. It will also put a <label> around
the human-readable labels for a field.
>>> p = Person(auto_id='id_%s')
>>> print p.as_ul()
<li><label for="id_first_name">First name:</label> <input type="text" name="first_name" id="id_first_name" /></li>
<li><label for="id_last_name">Last name:</label> <input type="text" name="last_name" id="id_last_name" /></li>
<li><label for="id_birthday">Birthday:</label> <input type="text" name="birthday" id="id_birthday" /></li>
>>> print p.as_table()
<tr><td><label for="id_first_name">First name:</label></td><td><input type="text" name="first_name" id="id_first_name" /></td></tr>
<tr><td><label for="id_last_name">Last name:</label></td><td><input type="text" name="last_name" id="id_last_name" /></td></tr>
<tr><td><label for="id_birthday">Birthday:</label></td><td><input type="text" name="birthday" id="id_birthday" /></td></tr>
>>> print p.as_ul()
<li><label for="id_first_name">First name:</label> <input type="text" name="first_name" id="id_first_name" /></li>
<li><label for="id_last_name">Last name:</label> <input type="text" name="last_name" id="id_last_name" /></li>
<li><label for="id_birthday">Birthday:</label> <input type="text" name="birthday" id="id_birthday" /></li>
>>> print p.as_p()
<p><label for="id_first_name">First name:</label> <input type="text" name="first_name" id="id_first_name" /></p>
<p><label for="id_last_name">Last name:</label> <input type="text" name="last_name" id="id_last_name" /></p>
<p><label for="id_birthday">Birthday:</label> <input type="text" name="birthday" id="id_birthday" /></p>
If auto_id is any True value whose str() does not contain '%s', the "id"
attribute will be the name of the field.
@ -1596,6 +1613,12 @@ ID of the *first* radio button.
<li><label><input type="radio" id="id_language_0" value="P" name="language" /> Python</label></li>
<li><label><input type="radio" id="id_language_1" value="J" name="language" /> Java</label></li>
</ul></li>
>>> print f.as_p()
<p><label for="id_name">Name:</label> <input type="text" name="name" id="id_name" /></p>
<p><label for="id_language_0">Language:</label> <ul>
<li><label><input type="radio" id="id_language_0" value="P" name="language" /> Python</label></li>
<li><label><input type="radio" id="id_language_1" value="J" name="language" /> Java</label></li>
</ul></p>
MultipleChoiceField is a special case, as its data is required to be a list:
>>> class SongForm(Form):
@ -1754,9 +1777,9 @@ subclass' __init__().
<tr><td>Last name:</td><td><input type="text" name="last_name" /></td></tr>
<tr><td>Birthday:</td><td><input type="text" name="birthday" /></td></tr>
HiddenInput widgets are displayed differently in the as_table() and as_ul()
output of a Form -- their verbose names are not displayed, and a separate
<tr>/<li> is not displayed. They're displayed in the last <td>/<li> of the
HiddenInput widgets are displayed differently in the as_table(), as_ul()
and as_p() output of a Form -- their verbose names are not displayed, and a
separate row is not displayed. They're displayed in the last row of the
form, directly after that row's form element.
>>> class Person(Form):
... first_name = CharField()
@ -1772,6 +1795,10 @@ form, directly after that row's form element.
<li>First name: <input type="text" name="first_name" /></li>
<li>Last name: <input type="text" name="last_name" /></li>
<li>Birthday: <input type="text" name="birthday" /><input type="hidden" name="hidden_text" /></li>
>>> print p.as_p()
<p>First name: <input type="text" name="first_name" /></p>
<p>Last name: <input type="text" name="last_name" /></p>
<p>Birthday: <input type="text" name="birthday" /><input type="hidden" name="hidden_text" /></p>
With auto_id set, a HiddenInput still gets an ID, but it doesn't get a label.
>>> p = Person(auto_id='id_%s')
@ -1783,6 +1810,10 @@ With auto_id set, a HiddenInput still gets an ID, but it doesn't get a label.
<li><label for="id_first_name">First name:</label> <input type="text" name="first_name" id="id_first_name" /></li>
<li><label for="id_last_name">Last name:</label> <input type="text" name="last_name" id="id_last_name" /></li>
<li><label for="id_birthday">Birthday:</label> <input type="text" name="birthday" id="id_birthday" /><input type="hidden" name="hidden_text" id="id_hidden_text" /></li>
>>> print p.as_p()
<p><label for="id_first_name">First name:</label> <input type="text" name="first_name" id="id_first_name" /></p>
<p><label for="id_last_name">Last name:</label> <input type="text" name="last_name" id="id_last_name" /></p>
<p><label for="id_birthday">Birthday:</label> <input type="text" name="birthday" id="id_birthday" /><input type="hidden" name="hidden_text" id="id_hidden_text" /></p>
If a field with a HiddenInput has errors, the as_table() and as_ul() output
will include the error message(s) with the text "(Hidden field [fieldname]) "
@ -1799,6 +1830,11 @@ its field's order in the form.
<li>First name: <input type="text" name="first_name" value="John" /></li>
<li>Last name: <input type="text" name="last_name" value="Lennon" /></li>
<li>Birthday: <input type="text" name="birthday" value="1940-10-9" /><input type="hidden" name="hidden_text" /></li>
>>> print p.as_p()
<p><ul class="errorlist"><li>(Hidden field hidden_text) This field is required.</li></ul></p>
<p>First name: <input type="text" name="first_name" value="John" /></p>
<p>Last name: <input type="text" name="last_name" value="Lennon" /></p>
<p>Birthday: <input type="text" name="birthday" value="1940-10-9" /><input type="hidden" name="hidden_text" /></p>
A corner case: It's possible for a form to have only HiddenInputs.
>>> class TestForm(Form):
@ -1809,6 +1845,8 @@ A corner case: It's possible for a form to have only HiddenInputs.
<input type="hidden" name="foo" /><input type="hidden" name="bar" />
>>> print p.as_ul()
<input type="hidden" name="foo" /><input type="hidden" name="bar" />
>>> print p.as_p()
<input type="hidden" name="foo" /><input type="hidden" name="bar" />
A Form's fields are displayed in the same order in which they were defined.
>>> class TestForm(Form):