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##############################################################################
#
# Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved.
# Jean-Paul Smets-Solanes <jp@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from Products.Formulator.Form import Form, BasicForm, ZMIForm
from Products.Formulator.Form import manage_addForm, manage_add, initializeForm
from Products.Formulator.Errors import FormValidationError, ValidationError
from Products.Formulator.DummyField import fields
from Products.Formulator.XMLToForm import XMLToForm
from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate
from Products.ERP5Type import PropertySheet
from urllib import quote
from Globals import InitializeClass, PersistentMapping, DTMLFile
from AccessControl import Unauthorized, getSecurityManager, ClassSecurityInfo
from Products.ERP5Type.Utils import UpperCase
import psyco
import sys
# Patch the fiels methods to provide improved namespace handling
from Products.Formulator.Field import Field
from zLOG import LOG
class ERP5Field(Field):
"""
The ERP5Field provides here, request,
container etc. names to TALES expressions. It is used to dynamically
patch the standard Formulator
"""
security = ClassSecurityInfo()
# this is a field
is_field = 1
security.declareProtected('Access contents information', 'get_value')
def get_value(self, id, **kw):
"""Get value for id."""
# FIXME: backwards compat hack to make sure tales dict exists
if not hasattr(self, 'tales'):
self.tales = {}
tales_expr = self.tales.get(id, "")
if tales_expr:
form = self.aq_parent
object = getattr(form, 'aq_parent', None)
if object:
# NEEDS TO BE CHECKED
# container = object.aq_inner.aq_parent ORIGINAL VERSION - not so good ?
container = object.aq_parent
#container = object.getParentNode()
else:
container = None
kw['field'] = self
kw['form'] = form
kw['here'] = object
kw['container'] = container
# This allows to pass some pointer to the local object
# through the REQUEST parameter. Not very clean.
# Used by ListBox to render different items in a list
if kw.has_key('REQUEST') and not kw.get('cell'): kw['cell'] = kw['REQUEST']
try:
value = tales_expr.__of__(self)(**kw)
except:
# We add this safety exception to make sure we always get
# something reasonable rather than generate plenty of errors
LOG('ERP5Form.get_value, exception on tales_expr: ',0,'', error=sys.exc_info())
value = self.get_orig_value(id)
else:
# FIXME: backwards compat hack to make sure overrides dict exists
if not hasattr(self, 'overrides'):
self.overrides = {}
override = self.overrides.get(id, "")
if override:
# call wrapped method to get answer
value = override.__of__(self)()
else:
# get normal value
value = self.get_orig_value(id)
# Only for the default value
if id == 'default':
if (value is None or value == '' or value == [] or value == ()) \
and self.meta_type != 'MethodField' :
# If nothing was provided then try to
# find a default method to get the value
# for that field
# NEEDS TO BE CLEANED UP
try:
form = self.aq_parent
object = getattr(form, 'aq_parent', None)
key = self.id
key = key[3:]
value = object.getProperty(key, d=value)
except:
value = None
# if normal value is a callable itself, wrap it
if callable(value):
value = value.__of__(self)
#value=value() # Mising call ??? XXX Make sure compatible with listbox methods
if id == 'default':
if self.meta_type != 'DateTimeField':
# We make sure we convert values to empty strings
# for most fields (so that we do not get a 'value'
# message on screeen)
# This can be overriden by useing TALES in the field
if value is None: value = ''
return value
def om_icons(self):
"""Return a list of icon URLs to be displayed by an ObjectManager"""
icons = ({'path': self.icon,
'alt': self.meta_type, 'title': self.meta_type},)
return icons
psyco.bind(get_value)
def _get_default(self, key, value, REQUEST):
if value is not None:
return value
try:
value = REQUEST.form[key]
except (KeyError, AttributeError):
# fall back on default
return self.get_value('default',REQUEST=REQUEST) # It was missing on Formulator
# if we enter a string value while the field expects unicode,
# convert to unicode first
# this solves a problem when re-rendering a sticky form with
# values from request
if (self.has_value('unicode') and self.get_value('unicode') and
type(value) == type('')):
return unicode(value, self.get_form_encoding())
else:
return value
# Dynamic Patch
Field.get_value = ERP5Field.get_value
Field._get_default = ERP5Field._get_default
Field.om_icons = ERP5Field.om_icons
# Constructors
manage_addForm = DTMLFile("dtml/form_add", globals())
def addERP5Form(self, id, title="", REQUEST=None):
"""Add form to folder.
id -- the id of the new form to add
title -- the title of the form to add
Result -- empty string
"""
# add actual object
id = self._setObject(id, ERP5Form(id, title))
# respond to the add_and_edit button if necessary
add_and_edit(self, id, REQUEST)
return ''
def add_and_edit(self, id, REQUEST):
"""Helper method to point to the object's management screen if
'Add and Edit' button is pressed.
id -- id of the object we just added
"""
if REQUEST is None:
return
try:
u = self.DestinationURL()
except:
u = REQUEST['URL1']
if REQUEST['submit'] == " Add and Edit ":
u = "%s/%s" % (u, quote(id))
REQUEST.RESPONSE.redirect(u+'/manage_main')
def initializeForm(field_registry, form_class=None):
"""Sets up ZMIForm with fields from field_registry.
"""
if form_class is None: form_class = ERP5Form
meta_types = []
for meta_type, field in field_registry.get_field_classes().items():
# don't set up in form if this is a field for internal use only
if field.internal_field:
continue
# set up individual add dictionaries for meta_types
dict = { 'name': field.meta_type,
'action':
'manage_addProduct/Formulator/manage_add%sForm' % meta_type }
meta_types.append(dict)
# set up add method
setattr(form_class,
'manage_add%sForm' % meta_type,
DTMLFile('dtml/fieldAdd', globals(), fieldname=meta_type))
# set up meta_types that can be added to form
form_class._meta_types = tuple(meta_types)
# set up settings form
form_class.settings_form._realize_fields()
# Special Settings
def create_settings_form():
"""Create settings form for ZMIForm.
"""
form = BasicForm('manage_settings')
title = fields.StringField('title',
title="Title",
required=0,
default="")
row_length = fields.IntegerField('row_length',
title='Number of groups in row (in order tab)',
required=1,
default=4)
name = fields.StringField('name',
title="Form name",
required=0,
default="")
pt = fields.StringField('pt',
title="Page Template",
required=0,
default="")
action = fields.StringField('action',
title='Form action',
required=0,
default="")
update_action = fields.StringField('update_action',
title='Form update action',
required=0,
default="")
method = fields.ListField('method',
title='Form method',
items=[('POST', 'POST'),
('GET', 'GET')],
required=1,
size=1,
default='POST')
enctype = fields.ListField('enctype',
title='Form enctype',
items=[('No enctype', ""),
('application/x-www-form-urlencoded',
'application/x-www-form-urlencoded'),
('multipart/form-data',
'multipart/form-data')],
required=0,
size=1,
default=None)
encoding = fields.StringField('encoding',
title='Encoding of pages the form is in',
default="UTF-8",
required=1)
stored_encoding = fields.StringField('stored_encoding',
title='Encoding of form properties',
default='UTF-8',
required=1)
unicode_mode = fields.CheckBoxField('unicode_mode',
title='Form properties are unicode',
default=0,
required=1)
form.add_fields([title, row_length, name, pt, action, update_action, method,
enctype, encoding, stored_encoding, unicode_mode])
return form
class ERP5Form(ZMIForm, ZopePageTemplate):
"""
A Formulator form with a built-in rendering parameter based
on page templates or DTML.
"""
meta_type = "ERP5 Form"
icon = "www/Form.png"
# Declarative Security
security = ClassSecurityInfo()
# Declarative properties
property_sheets = ( PropertySheet.Base
, PropertySheet.SimpleItem)
# Constructors
constructors = (manage_addForm, addERP5Form)
# This is a patched dtml formOrder
security.declareProtected('View management screens', 'formOrder')
formOrder = DTMLFile('dtml/formOrder', globals())
# Default Attributes
pt = 'form_view'
update_action = ''
# Special Settings
settings_form = create_settings_form()
def __init__(self, id, title, unicode_mode=0, encoding='UTF-8', stored_encoding='UTF-8'):
"""Initialize form.
id -- id of form
title -- the title of the form
"""
ZMIForm.inheritedAttribute('__init__')(self, "", "POST", "", id,
encoding, stored_encoding,
unicode_mode)
self.id = id
self.title = title
self.row_length = 4
# Proxy method to PageTemplate
def __call__(self, *args, **kwargs):
self._v_relation_field_index = 0 # We initialize here an index which is used to generate different method ids for every field
if not kwargs.has_key('args'):
kwargs['args'] = args
form = self
object = getattr(form, 'aq_parent', None)
if object:
container = object.aq_inner.aq_parent
else:
container = None
pt = getattr(self,self.pt)
extra_context = self.pt_getContext()
extra_context['options'] = kwargs
extra_context['form'] = self
extra_context['container'] = container ## PROBLEM NOT TAKEN INTO ACCOUNT
extra_context['here'] = object
return pt.pt_render(extra_context=extra_context)
def _exec(self, bound_names, args, kw):
pt = getattr(self,self.pt)
return pt._exec(self, bound_names, args, kw)
# Utilities
def ErrorFields(self, validation_errors):
"""
Create a dictionnary of validation_errors
with field id as key
"""
ef = {}
for e in validation_errors.errors:
ef[e.field_id] = e
return ef
def om_icons(self):
"""Return a list of icon URLs to be displayed by an ObjectManager"""
icons = ({'path': 'misc_/ERP5Form/Form.png',
'alt': self.meta_type, 'title': self.meta_type},)
return icons
# Pached validate_all to support ListBox validation
security.declareProtected('View', 'validate_all')
def validate_all(self, REQUEST):
"""Validate all enabled fields in this form, catch any ValidationErrors
if they occur and raise a FormValidationError in the end if any
Validation Errors occured.
"""
result = {}
errors = []
for field in self.get_fields():
# skip any field we don't need to validate
if not field.need_validate(REQUEST):
continue
if not (field.get_value('editable',REQUEST=REQUEST)):
continue
try:
value = field.validate(REQUEST)
# store under id
result[field.id] = value
# store as alternate name as well if necessary
alternate_name = field.get_value('alternate_name')
if alternate_name:
result[alternate_name] = value
except FormValidationError, e: # XXX JPS Patch for listbox
#LOG('validate_all', 0, 'FormValidationError: field = %s, errors=%s' % (repr(field), repr(errors)))
errors.extend(e.errors)
result.update(e.result)
except ValidationError, err:
#LOG('validate_all', 0, 'ValidationError: field.id = %s, err=%s' % (repr(field.id), repr(err)))
errors.append(err)
if len(errors) > 0:
raise FormValidationError(errors, result)
return result
# FTP/DAV Access
manage_FTPget = ZMIForm.get_xml
def PUT(self, REQUEST, RESPONSE):
"""Handle HTTP PUT requests."""
self.dav__init(REQUEST, RESPONSE)
self.dav__simpleifhandler(REQUEST, RESPONSE, refresh=1)
body=REQUEST.get('BODY', '')
# Empty the form (XMLToForm is unable to empty things before reopening)
for k in self.get_field_ids():
try:
self._delObject(k)
except:
pass
self.groups = {}
self.group_list = []
# And reimport
XMLToForm(body, self)
self.ZCacheable_invalidate()
RESPONSE.setStatus(204)
return RESPONSE
manage_FTPput = PUT
psyco.bind(__call__)
psyco.bind(_exec)
# More optimizations
#psyco.bind(ERP5Field)
psyco.bind(Field.render)
psyco.bind(Field._render_helper)
psyco.bind(Field.get_value)
#from Products.PageTemplates.PageTemplate import PageTemplate
#from TAL import TALInterpreter
#psyco.bind(TALInterpreter.TALInterpreter)
#psyco.bind(TALInterpreter.TALInterpreter.interpret)
#psyco.bind(PageTemplate.pt_render)
#psyco.bind(PageTemplate.pt_macros)
#from Products.CMFCore.ActionsTool import ActionsTool
#psyco.bind(ActionsTool.listFilteredActionsFor)