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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2011 Étienne Loks <etienne.loks_AT_peacefrogsDOTnet>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# See the file COPYING for details.
"""
Forms definition
"""
import datetime
import re
from itertools import groupby
from django import forms
from django.conf import settings
from django.contrib.auth.models import User
from django.contrib.sites.models import Site
from django.core.urlresolvers import reverse
from django.core import validators
from django.core.exceptions import ObjectDoesNotExist
from django.core.mail import send_mail
from django.db.models import Max
from django.forms.formsets import formset_factory, BaseFormSet, \
DELETION_FIELD_NAME
from django.shortcuts import render_to_response
from django.template import Context, RequestContext, loader
from django.utils import formats
from django.utils.functional import lazy
from django.utils.translation import ugettext_lazy as _
# from formwizard.forms import NamedUrlSessionFormWizard
class NamedUrlSessionFormWizard(forms.Form):
def __init__(self, form_list, condition_list={}, url_name=''):
self.form_list = dict(form_list)
self.condition_list = condition_list
self.url_name = url_name
super(NamedUrlSessionFormWizard, self).__init__(self)
def rindex(self, idx):
return self.url_name.rindex(idx)
import models
import widgets
reverse_lazy = lazy(reverse, unicode)
regexp_name = re.compile(r'^[\w\- ]+$', re.UNICODE)
name_validator = validators.RegexValidator(regexp_name,
_(u"Enter a valid name consisting of letters, spaces and hyphens."), 'invalid')
class FloatField(forms.FloatField):
"""
Allow the use of comma for separating float fields
"""
def clean(self, value):
if value:
value = value.replace(',', '.').replace('%', '')
return super(FloatField, self).clean(value)
class FinalForm(forms.Form):
final = True
form_label = _(u"Confirm")
class FormSet(BaseFormSet):
def check_duplicate(self, key_names, error_msg=""):
"""Check for duplicate items in the formset"""
if any(self.errors):
return
if not error_msg:
error_msg = _("There are identical items.")
items = []
for i in range(0, self.total_form_count()):
form = self.forms[i]
if not form.is_valid():
continue
item = [key_name in form.cleaned_data and form.cleaned_data[key_name]
for key_name in key_names]
if not [v for v in item if v]:
continue
if item in items:
raise forms.ValidationError, error_msg
items.append(item)
def add_fields(self, form, index):
super(FormSet, self).add_fields(form, index)
form.fields[DELETION_FIELD_NAME].label = ''
form.fields[DELETION_FIELD_NAME].widget = widgets.DeleteWidget()
'''
class SearchWizard(NamedUrlSessionFormWizard):
model = None
def get_wizard_name(self):
"""
As the class name can interfere when reused, use the url_name
"""
return self.url_name
def get_template(self, request, storage):
templates = ['search.html']
return templates
def get_now():
format = formats.get_format('DATE_INPUT_FORMATS')[0]
value = datetime.datetime.now().strftime(format)
return value
class DeletionWizard(Wizard):
def get_formated_datas(self, forms):
datas = super(DeletionWizard, self).get_formated_datas(forms)
self.current_obj = None
for form in forms:
if not hasattr(form, "cleaned_data"):
continue
for key in form.cleaned_data:
if key == 'pk':
model = form.associated_models['pk']
self.current_obj = model.objects.get(pk=form.cleaned_data['pk'])
if not self.current_obj:
return datas
res = {}
for field in self.model._meta.fields + self.model._meta.many_to_many:
if field.name not in self.fields:
continue
value = getattr(self.current_obj, field.name)
if not value:
continue
if hasattr(value, 'all'):
value = ", ".join([unicode(item) for item in value.all()])
if not value:
continue
else:
value = unicode(value)
res[field.name] = (field.verbose_name, value, '')
if not datas and self.fields:
datas = [['', []]]
for field in self.fields:
if field in res:
datas[0][1].append(res[field])
return datas
def done(self, request, storage, form_list, **kwargs):
obj = self.get_current_object(request, storage)
obj.delete()
return render_to_response('wizard_delete_done.html', {},
context_instance=RequestContext(request))
class ClosingDateFormSelection(forms.Form):
form_label = _("Closing date")
end_date = forms.DateField(label=_(u"Closing date"),
widget=widgets.JQueryDate)
class ClosingWizard(Wizard):
# "close" an item
# to be define in the overloaded class
model = None
fields = []
def get_formated_datas(self, forms):
datas = super(ClosingWizard, self).get_formated_datas(forms)
self.current_obj = None
for form in forms:
if not hasattr(form, "cleaned_data"):
continue
for key in form.cleaned_data:
if key == 'pk':
model = form.associated_models['pk']
self.current_obj = model.objects.get(
pk=form.cleaned_data['pk'])
if not self.current_obj:
return datas
res = {}
for field in self.model._meta.fields + self.model._meta.many_to_many:
if field.name not in self.fields:
continue
value = getattr(self.current_obj, field.name)
if not value:
continue
if hasattr(value, 'all'):
value = ", ".join([unicode(item) for item in value.all()])
if not value:
continue
else:
value = unicode(value)
res[field.name] = (field.verbose_name, value, '')
if not datas and self.fields:
datas = [['', []]]
for field in self.fields:
if field in res:
datas[0][1].append(res[field])
return datas
def done(self, request, storage, form_list, **kwargs):
obj = self.get_current_object(request, storage)
for form in form_list:
if form.is_valid():
if 'end_date' in form.cleaned_data and hasattr(obj, 'end_date'):
obj.end_date = form.cleaned_data['end_date']
obj.save()
return render_to_response('wizard_closing_done.html', {},
context_instance=RequestContext(request))
def get_form_selection(class_name, label, key, model, base_form, get_url,
not_selected_error=_(u"You should select an item."), new=False,
new_message=_(u"Add a new item")):
"""
Generate a class selection form
class_name -- name of the class
label -- label of the form
key -- model,
base_form -- base form to select
get_url -- url to get the item
not_selected_error -- message displayed when no item is selected
new -- can add new items
new_message -- message of link to add new items
"""
attrs = {'_main_key':key,
'_not_selected_error':not_selected_error,
'form_label':label,
'associated_models':{key:model},
'currents':{key:model},}
attrs[key] = forms.IntegerField(label="", required=False,
validators=[models.valid_id(model)],
widget=widgets.JQueryJqGrid(reverse_lazy(get_url), base_form(), model,
new=new, new_message=new_message))
def clean(self):
cleaned_data = self.cleaned_data
if self._main_key not in cleaned_data \
or not cleaned_data[self._main_key]:
raise forms.ValidationError(self._not_selected_error)
return cleaned_data
attrs['clean'] = clean
return type(class_name, (forms.Form,), attrs)
'''
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