wagtail/wagtail/wagtailforms/forms.py

145 wiersze
4.8 KiB
Python

from __future__ import absolute_import, unicode_literals
from collections import OrderedDict
import django.forms
from django.utils.translation import ugettext_lazy as _
from wagtail.wagtailadmin.forms import WagtailAdminPageForm
class BaseForm(django.forms.Form):
def __init__(self, *args, **kwargs):
kwargs.setdefault('label_suffix', '')
self.user = kwargs.pop('user', None)
self.page = kwargs.pop('page', None)
super(BaseForm, self).__init__(*args, **kwargs)
class FormBuilder(object):
def __init__(self, fields):
self.fields = fields
def create_singleline_field(self, field, options):
# TODO: This is a default value - it may need to be changed
options['max_length'] = 255
return django.forms.CharField(**options)
def create_multiline_field(self, field, options):
return django.forms.CharField(widget=django.forms.Textarea, **options)
def create_date_field(self, field, options):
return django.forms.DateField(**options)
def create_datetime_field(self, field, options):
return django.forms.DateTimeField(**options)
def create_email_field(self, field, options):
return django.forms.EmailField(**options)
def create_url_field(self, field, options):
return django.forms.URLField(**options)
def create_number_field(self, field, options):
return django.forms.DecimalField(**options)
def create_dropdown_field(self, field, options):
options['choices'] = map(
lambda x: (x.strip(), x.strip()),
field.choices.split(',')
)
return django.forms.ChoiceField(**options)
def create_radio_field(self, field, options):
options['choices'] = map(
lambda x: (x.strip(), x.strip()),
field.choices.split(',')
)
return django.forms.ChoiceField(widget=django.forms.RadioSelect, **options)
def create_checkboxes_field(self, field, options):
options['choices'] = [(x.strip(), x.strip()) for x in field.choices.split(',')]
options['initial'] = [x.strip() for x in field.default_value.split(',')]
return django.forms.MultipleChoiceField(
widget=django.forms.CheckboxSelectMultiple, **options
)
def create_checkbox_field(self, field, options):
return django.forms.BooleanField(**options)
FIELD_TYPES = {
'singleline': create_singleline_field,
'multiline': create_multiline_field,
'date': create_date_field,
'datetime': create_datetime_field,
'email': create_email_field,
'url': create_url_field,
'number': create_number_field,
'dropdown': create_dropdown_field,
'radio': create_radio_field,
'checkboxes': create_checkboxes_field,
'checkbox': create_checkbox_field,
}
@property
def formfields(self):
formfields = OrderedDict()
for field in self.fields:
options = self.get_field_options(field)
if field.field_type in self.FIELD_TYPES:
formfields[field.clean_name] = self.FIELD_TYPES[field.field_type](self, field, options)
else:
raise Exception("Unrecognised field type: " + field.field_type)
return formfields
def get_field_options(self, field):
options = {}
options['label'] = field.label
options['help_text'] = field.help_text
options['required'] = field.required
options['initial'] = field.default_value
return options
def get_form_class(self):
return type(str('WagtailForm'), (BaseForm,), self.formfields)
class SelectDateForm(django.forms.Form):
date_from = django.forms.DateTimeField(
required=False,
widget=django.forms.DateInput(attrs={'placeholder': 'Date from'})
)
date_to = django.forms.DateTimeField(
required=False,
widget=django.forms.DateInput(attrs={'placeholder': 'Date to'})
)
class WagtailAdminFormPageForm(WagtailAdminPageForm):
def clean(self):
super(WagtailAdminFormPageForm, self).clean()
# Check for dupe form field labels - fixes #585
if 'form_fields' in self.formsets:
_forms = self.formsets['form_fields'].forms
for f in _forms:
f.is_valid()
for i, form in enumerate(_forms):
if 'label' in form.changed_data:
label = form.cleaned_data.get('label')
for idx, ff in enumerate(_forms):
# Exclude self
if idx != i and label == ff.cleaned_data.get('label'):
form.add_error(
'label',
django.forms.ValidationError(_('There is another field with the label %s, please change one of them.' % label))
)