Files
mayan-edms/apps/common/forms.py
2011-04-05 00:04:11 -04:00

122 lines
5.0 KiB
Python

from django import forms
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext as _
from django.db import models
from common.utils import return_attrib
class DetailSelectMultiple(forms.widgets.SelectMultiple):
def __init__(self, queryset=None, *args, **kwargs):
self.queryset = queryset
super(DetailSelectMultiple, self).__init__(*args, **kwargs)
def render(self, name, value, attrs=None, choices=()):
if value is None:
value = ''
final_attrs = self.build_attrs(attrs, name=name)
css_class = final_attrs.get('class', 'list')
output = u'<ul class="%s">' % css_class
options = None
if value:
if getattr(value, '__iter__', None):
options = [(index, string) for index, string in \
self.choices if index in value]
else:
options = [(index, string) for index, string in \
self.choices if index == value]
else:
if self.choices:
if self.choices[0] != (u'', u'---------') and value != []:
options = [(index, string) for index, string in \
self.choices]
if options:
for index, string in options:
if self.queryset:
try:
output += u'<li><a href="%s">%s</a></li>' % (
self.queryset.get(pk=index).get_absolute_url(),
string)
except AttributeError:
output += u'<li>%s</li>' % (string)
else:
output += u'<li>%s</li>' % string
else:
output += u'<li>%s</li>' % _(u"None")
return mark_safe(output + u'</ul>\n')
class PlainWidget(forms.widgets.Widget):
def render(self, name, value, attrs=None):
return mark_safe(u'%s' % value)
class DetailForm(forms.ModelForm):
def __init__(self, extra_fields=None, *args, **kwargs):
super(DetailForm, self).__init__(*args, **kwargs)
if extra_fields:
for extra_field in extra_fields:
result = return_attrib(self.instance, extra_field['field'])
label = 'label' in extra_field and extra_field['label'] or None
#TODO: Add others result types <=> Field types
if isinstance(result, models.query.QuerySet):
self.fields[extra_field['field']] = \
forms.ModelMultipleChoiceField(
queryset=result, label=label)
else:
self.fields[extra_field['field']] = forms.CharField(
label=extra_field['label'],
initial=return_attrib(self.instance,
extra_field['field'], None),
widget=PlainWidget)
for field_name, field in self.fields.items():
if isinstance(field.widget, forms.widgets.SelectMultiple):
self.fields[field_name].widget = DetailSelectMultiple(
choices=field.widget.choices,
attrs=field.widget.attrs,
queryset=getattr(field, 'queryset', None),
)
self.fields[field_name].help_text = ''
elif isinstance(field.widget, forms.widgets.Select):
self.fields[field_name].widget = DetailSelectMultiple(
choices=field.widget.choices,
attrs=field.widget.attrs,
queryset=getattr(field, 'queryset', None),
)
self.fields[field_name].help_text = ''
class GenericConfirmForm(forms.Form):
def __init__(self, *args, **kwargs):
pass
class GenericAssignRemoveForm(forms.Form):
def __init__(self, *args, **kwargs):
left_list_qryset = kwargs.pop('left_list_qryset', None)
right_list_qryset = kwargs.pop('right_list_qryset', None)
left_filter = kwargs.pop('left_filter', None)
super(GenericAssignRemoveForm, self).__init__(*args, **kwargs)
if left_filter:
self.fields['left_list'].queryset = left_list_qryset.filter(
*left_filter)
else:
self.fields['left_list'].queryset = left_list_qryset
self.fields['right_list'].queryset = right_list_qryset
left_list = forms.ModelMultipleChoiceField(required=False, queryset=None)
right_list = forms.ModelMultipleChoiceField(required=False, queryset=None)
class FilterForm(forms.Form):
def __init__(self, list_filters, *args, **kwargs):
super(FilterForm, self).__init__(*args, **kwargs)
for list_filter in list_filters:
label = list_filter.get('title', list_filter['name'])
self.fields[list_filter['name']] = forms.ModelChoiceField(
queryset=list_filter['queryset'],
label=label[0].upper() + label[1:], required=False)