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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.CMFCore.utils import _checkPermission, getToolByName
from Products.CMFCore.exceptions import AccessControl_Unauthorized
from Products.ERP5Type import PropertySheet, Permissions
from urllib import quote
from Globals import InitializeClass, PersistentMapping, DTMLFile, get_request
from AccessControl import Unauthorized, getSecurityManager, ClassSecurityInfo
from ZODB.POSException import ConflictError
from Acquisition import aq_base
from Products.PageTemplates.Expressions import SecureModuleImporter
from Products.ERP5Type.Utils import UpperCase
from Products.ERP5Type.PsycoWrapper import psyco
import sys
_field_value_cache = {}
def purgeFieldValueCache():
_field_value_cache.clear()
# Patch the fiels methods to provide improved namespace handling
from Products.Formulator.Field import Field
from Products.Formulator.MethodField import Method, BoundMethod
from Products.Formulator.TALESField import TALESMethod
from zLOG import LOG, PROBLEM
def isCacheable(value):
value = aq_base(value)
if type(value) is BoundMethod:
return False
jar = getattr(value, '_p_jar', None)
if jar is not None:
return False
dic = getattr(value, '__dict__', None)
if dic is not None:
for i in dic.values():
jar = getattr(i, '_p_jar', None)
if jar is not None:
return False
return True
def copyMethod(value):
if type(aq_base(value)) is Method:
value = Method(value.method_name)
elif type(aq_base(value)) is TALESMethod:
value = TALESMethod(value._text)
return value
class StaticValue:
"""
Encapsulated a static value in a class
(quite heavy, would be faster to store the
value as is)
"""
def __init__(self, value):
self.value = value
def __call__(self, field, id, **kw):
return self.returnValue(field, id, self.value)
def returnValue(self, field, id, value):
# if normal value is a callable itself, wrap it
if callable(value):
value = value.__of__(field)
#value=value() # Mising call ??? XXX Make sure compatible with listbox methods
if id == 'default':
# We make sure we convert values to empty strings
# for most fields (so that we do not get a 'value'
# message on screen)
# This can be overriden by using TALES in the field
if value is None: value = ''
return value
class TALESValue(StaticValue):
def __init__(self, tales_expr):
self.tales_expr = tales_expr
def __call__(self, field, id, **kw):
REQUEST = get_request()
if REQUEST is not None:
# Proxyfield stores the "real" field in the request. Look if the
# corresponding field exists in request, and use it as field in the
# TALES context
field = REQUEST.get(
'field__proxyfield_%s_%s_%s' % (field.id, field._p_oid, id),
field)
kw['field'] = field
form = field.aq_parent # XXX (JPS) form for default is wrong apparently in listbox - double check
obj = getattr(form, 'aq_parent', None)
if obj is not None:
container = obj.aq_inner.aq_parent
else:
container = None
kw['form'] = form
kw['request'] = REQUEST
kw['here'] = obj
kw['context'] = obj
kw['modules'] = SecureModuleImporter
kw['container'] = container
try :
kw['preferences'] = obj.getPortalObject().portal_preferences
except AttributeError :
LOG('ERP5Form', PROBLEM,
'portal_preferences not put in TALES context (not installed?)')
# 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 kw.get('cell', None) is None:
if getattr(kw['REQUEST'],'cell', None) is not None:
kw['cell'] = getattr(kw['REQUEST'],'cell')
else:
kw['cell'] = kw['REQUEST']
elif kw.get('cell', None) is None:
if getattr(REQUEST, 'cell', None) is not None:
kw['cell'] = getattr(REQUEST, 'cell')
try:
value = self.tales_expr.__of__(field)(**kw)
except (ConflictError, RuntimeError):
raise
except:
# We add this safety exception to make sure we always get
# something reasonable rather than generate plenty of errors
LOG('ERP5Form', PROBLEM,
'Field.get_value ( %s/%s [%s]), exception on tales_expr: ' %
( form.getId(), field.getId(), id), error=sys.exc_info())
# field may be ProxyField
try:
value = field.get_recursive_orig_value(id)
except AttributeError:
value = field.get_orig_value(id)
return self.returnValue(field, id, value)
class OverrideValue(StaticValue):
def __init__(self, override):
self.override = override
def __call__(self, field, id, **kw):
return self.returnValue(field, id, self.override.__of__(field)())
class DefaultValue(StaticValue):
def __init__(self, field_id, value):
self.key = field_id[3:]
self.value = value
def __call__(self, field, id, **kw):
try:
form = field.aq_parent
ob = getattr(form, 'aq_parent', None)
value = self.value
if value not in (None, ''):
# If a default value is defined on the field, it has precedence
value = ob.getProperty(self.key, d=value)
else:
# else we should give a chance to the accessor to provide
# a default value (including None)
value = ob.getProperty(self.key)
except (KeyError, AttributeError):
value = None
return self.returnValue(field, id, value)
class EditableValue(StaticValue):
def __call__(self, field, id, **kw):
# By default, pages are editable and
# fields are editable if they are set to editable mode
# However, if the REQUEST defines editable_mode to 0
# then all fields become read only.
# This is useful to render ERP5 content as in a web site (ECommerce)
# editable_mode should be set for example by the page template
# which defines the current layout
if kw.get('REQUEST', None) is not None:
if not getattr(kw['REQUEST'], 'editable_mode', 1):
return 0
return self.value
def getFieldValue(self, field, id, **kw):
"""
Return a callable expression and cacheable boolean flag
"""
tales_expr = self.tales.get(id, "")
if tales_expr:
# TALESMethod is persistent object, so that we cannot cache original one.
# Becase if connection which original talesmethod uses is closed,
# RuntimeError must occurs in __setstate__.
tales_expr = copyMethod(tales_expr)
return TALESValue(tales_expr), isCacheable(tales_expr)
override = self.overrides.get(id, "")
if override:
override = copyMethod(override)
return OverrideValue(override), isCacheable(override)
# Get a normal value.
value = self.get_orig_value(id)
value = copyMethod(value)
cacheable = isCacheable(value)
field_id = field.id
if id == 'default' and field_id.startswith('my_'):
return DefaultValue(field_id, value), cacheable
# For the 'editable' value, we try to get a default value
if id == 'editable':
return EditableValue(value), cacheable
# Return default value in callable mode
if callable(value):
return StaticValue(value), cacheable
# Return default value in non callable mode
return_value = StaticValue(value)(field, id, **kw)
return return_value, isCacheable(return_value)
def get_value(self, id, **kw):
REQUEST = get_request()
if REQUEST is not None:
field = REQUEST.get(
'field__proxyfield_%s_%s_%s' % (self.id, self._p_oid, id),
self)
else:
field = self
# If field is not stored in zodb, then must use original get_value instead.
# Because field which is not stored in zodb must be used for editing field
# in ZMI and field value cache sometimes break these field settings at
# initialization. As the result, we will see broken field editing screen
# in ZMI.
if self._p_oid is None:
return self._original_get_value(id, **kw)
cache_id = ('Form.get_value',
self._p_oid,
field._p_oid,
id)
try:
value = _field_value_cache[cache_id]
except KeyError:
# either returns non callable value (ex. "Title")
# or a FieldValue instance of appropriate class
value, cacheable = getFieldValue(self, field, id, **kw)
if cacheable:
_field_value_cache[cache_id] = value
if callable(value):
return value(field, id, **kw)
return value
psyco.bind(get_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
def _get_default(self, key, value, REQUEST):
if value is not None:
return value
try:
value = self._get_user_input_value(key, REQUEST)
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
original_get_value = Field.get_value
Field.get_value = get_value
Field._original_get_value = original_get_value
Field._get_default = _get_default
Field.om_icons = 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 AttributeError:
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="")
description = fields.TextAreaField('description',
title="Description",
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, description, 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()
# Tabs in ZMI
manage_options = (ZMIForm.manage_options[:5] +
({'label':'Proxify', 'action':'formProxify'},
{'label':'UnProxify', 'action':'formUnProxify'}
)+
ZMIForm.manage_options[5:])
# 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())
# Proxify form
security.declareProtected('View management screens', 'formProxify')
formProxify = DTMLFile('dtml/formProxify', globals())
# Proxify form
security.declareProtected('View management screens', 'formUnProxify')
formUnProxify = DTMLFile('dtml/formUnProxify', 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
self.group_list = ["left", "right", "center", "bottom", "hidden"]
groups = {}
for group in self.group_list:
groups[group] = []
self.groups = groups
# Proxy method to PageTemplate
def __call__(self, *args, **kwargs):
# Security
#
# The minimal action consists in checking that
# we have View permission on the current object
# before rendering a form. Otherwise, object with
# AccessContentInformation can be viewed by invoking
# a form directly.
#
# What would be better is to prevent calling certain
# forms to render objects. This can not be done
# through actions since we are using sometimes forms
# to render the results of a report dialog form.
# An a appropriate solutions could consist in adding
# a permission field to the form. Another solutions
# is the use of REFERER in the rendering process.
#
# Both solutions are not perfect if the goal is, for
# example, to prevent displaying private information of
# staff. The only real solution is to use a special
# permission (ex. AccessPrivateInformation) for those
# properties which are sensitive.
if not kwargs.has_key('args'):
kwargs['args'] = args
form = self
obj = getattr(form, 'aq_parent', None)
if obj is not None:
container = obj.aq_inner.aq_parent
if not _checkPermission(Permissions.View, obj):
raise AccessControl_Unauthorized('This document is not authorized for view.')
else:
container = None
pt = getattr(self,self.pt)
extra_context = dict( container=container,
template=self,
form=self,
options=kwargs,
here=obj )
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 group in self.get_groups():
if group.lower() == 'hidden':
continue
for field in self.get_fields_in_group(group):
# 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)
except KeyError, err:
LOG('ERP5Form/Form.py:validate_all', 0, 'KeyError : %s' % (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 AttributeError:
pass
self.groups = {}
self.group_list = []
# And reimport
XMLToForm(body, self)
self.ZCacheable_invalidate()
RESPONSE.setStatus(204)
return RESPONSE
manage_FTPput = PUT
#Methods for Proxify tab.
security.declareProtected('View management screens', 'getFormFieldList')
def getFormFieldList(self):
"""
find fields and forms which name ends with 'FieldLibrary' in
same skin folder.
"""
form_list = []
def iterate(obj):
for i in obj.objectValues():
if (i.meta_type=='ERP5 Form' and
i.getId().endswith('FieldLibrary') and
'_view' in i.getId()):
form_id = i.getId()
form_path = '%s.%s' % (obj.getId(), form_id)
field_list = []
form_list.append({'form_path':form_path,
'form_id':form_id,
'field_list':field_list})
for field in i.objectValues():
field_type, proxy_flag = get_field_meta_type_and_proxy_flag(field)
if proxy_flag:
field_type = '%s(Proxy)' % field_type
field_list.append({'field_object':field,
'field_type':field_type,
'proxy_flag':proxy_flag})
if i.meta_type=='Folder':
iterate(i)
iterate(getToolByName(self, 'portal_skins'))
return form_list
security.declareProtected('View management screens', 'getProxyableFieldList')
def getProxyableFieldList(self, field, form_field_list=None):
""""""
def extract_keyword(name):
return [i for i in name.split('_') if not i in ('my', 'default')]
def check_keyword_list(name, keyword_list):
count = 0
for i in keyword_list:
if i in name:
count += 1
return count/float(len(keyword_list))
def match(field_data):
if not field_data['field_type'].startswith(field.meta_type):
return 0
field_object = field_data['field_object']
if field_object.aq_base is field.aq_base:
return 0
field_id = field_object.getId()
if id_.startswith('my_') and not field_id.startswith('my_'):
return 0
return check_keyword_list(field_id, extract_keyword(id_))
def make_dict_list_append_function(dic, order_list):
def append(key, item):
if not key in order_list:
order_list.append(key)
dic[key] = []
dic[key].append(item)
return append
def add_default_field_library():
portal_url = getToolByName(self, 'portal_url')
portal = portal_url.getPortalObject()
portal_skins = getToolByName(self, 'portal_skins')
default_field_library_path = portal.getProperty(
'erp5_default_field_library_path',
'erp5_core.Base_viewFieldLibrary')
if (not default_field_library_path or
len(default_field_library_path.split('.'))!=2):
return
skinfolder_id, form_id = default_field_library_path.split('.')
skinfolder = getattr(portal_skins, skinfolder_id, None)
default_field_library = getattr(skinfolder, form_id, None)
if default_field_library is None:
return
for i in default_field_library.objectValues():
field_meta_type, proxy_flag = get_field_meta_type_and_proxy_flag(i)
if meta_type==field_meta_type:
if proxy_flag:
field_meta_type = '%s(Proxy)' % field_meta_type
matched_item = {'form_id':form_id,
'field_type':field_meta_type,
'field_object':i,
'proxy_flag':proxy_flag,
'matched_rate':0
}
if not default_field_library_path in form_order:
matched_append(default_field_library_path,
matched_item)
if not default_field_library_path in \
perfect_matched_form_order:
perfect_matched_append(default_field_library_path,
matched_item)
id_ = field.getId()
meta_type = field.meta_type
matched = {}
form_order = []
matched_append = make_dict_list_append_function(matched, form_order)
perfect_matched = {}
perfect_matched_form_order = []
perfect_matched_append = make_dict_list_append_function(perfect_matched, perfect_matched_form_order)
if form_field_list is None:
form_field_list = self.getFormFieldList()
for i in form_field_list:
for data in i['field_list']:
tmp = []
matched_rate = match(data)
if matched_rate>=0.5:
form_path = i['form_path']
form_id = i['form_id']
field_type = data['field_type']
field_object = data['field_object']
proxy_flag = data['proxy_flag']
matched_item = {'form_id':form_id,
'field_type':field_type,
'field_object':field_object,
'proxy_flag':proxy_flag,
'matched_rate':matched_rate
}
if matched_rate==1:
perfect_matched_append(form_path, matched_item)
elif not perfect_matched:
matched_append(form_path, matched_item)
if perfect_matched:
perfect_matched_form_order.sort()
add_default_field_library()
return perfect_matched_form_order, perfect_matched
form_order.sort()
add_default_field_library()
return form_order, matched
security.declareProtected('View management screens', 'getUnProxyableFieldList')
def getUnProxyableFieldList(self):
"""
Return ProxyFields
"""
return [f for f in self.objectValues() if f.meta_type == 'ProxyField']
security.declareProtected('Change Formulator Forms', 'proxifyField')
def proxifyField(self, field_dict=None, REQUEST=None):
"""Convert fields to proxy fields"""
from Products.ERP5Form.ProxyField import ProxyWidget
def copy(_dict):
new_dict = {}
for key, value in _dict.items():
if value=='':
continue
if isinstance(aq_base(value), (Method, TALESMethod)):
value = copyMethod(value)
elif value is not None and not isinstance(value,
(str, unicode, int, long, bool, list, tuple, dict)):
raise ValueError, repr(value)
new_dict[key] = value
return new_dict
def is_equal(a, b):
type_a = type(a)
type_b = type(b)
if type_a is not type_b:
return False
elif type_a is Method:
return a.method_name==b.method_name
elif type_a is TALESMethod:
return a._text==b._text
else:
return a==b
def remove_same_value(new_dict, target_dict):
for key, value in new_dict.items():
target_value = target_dict.get(key)
if is_equal(value, target_value):
del new_dict[key]
return new_dict
def get_group_and_position(field_id):
for i in self.groups.keys():
if field_id in self.groups[i]:
return i, self.groups[i].index(field_id)
def set_group_and_position(group, position, field_id):
self.field_removed(field_id)
self.groups[group].insert(position, field_id)
# Notify changes explicitly.
self.groups = self.groups
if field_dict is None:
return
for field_id in field_dict.keys():
target = field_dict[field_id]
target_form_id, target_field_id = target.split('.')
# keep current group and position.
group, position = get_group_and_position(field_id)
# create proxy field
old_field = getattr(self, field_id)
self.manage_delObjects(field_id)
self.manage_addField(id=field_id, title='', fieldname='ProxyField')
proxy_field = getattr(self, field_id)
proxy_field.values['form_id'] = target_form_id
proxy_field.values['field_id'] = target_field_id
target_field = proxy_field.getTemplateField()
# copy data
new_values = remove_same_value(copy(old_field.values),
target_field.values)
new_tales = remove_same_value(copy(old_field.tales),
target_field.tales)
if target_field.meta_type=='ProxyField':
for i in new_values.keys():
if not i in target_field.delegated_list:
# obsolete variable check
try:
target_field.get_recursive_orig_value(i)
except KeyError:
# then `i` is obsolete!
del new_values[i]
else:
if is_equal(target_field.get_recursive_orig_value(i),
new_values[i]):
del new_values[i]
for i in new_tales.keys():
if not i in target_field.delegated_list:
# obsolete variable check
try:
target_field.get_recursive_tales(i)
except KeyError:
# then `i` is obsolete!
del new_tales[i]
else:
if is_equal(target_field.get_recursive_tales(i),
new_tales[i]):
del new_tales[i]
delegated_list = []
for i in (new_values.keys()+new_tales.keys()):
if not i in delegated_list:
delegated_list.append(i)
proxy_field.values.update(new_values)
proxy_field.tales.update(new_tales)
proxy_field.delegated_list = delegated_list
# move back to the original group and position.
set_group_and_position(group, position, field_id)
if REQUEST is not None:
return self.formProxify(manage_tabs_message='Changed')
psyco.bind(__call__)
psyco.bind(_exec)
security.declareProtected('Change Formulator Forms', 'unProxifyField')
def unProxifyField(self, field_dict=None, REQUEST=None):
"""
Convert proxy fields to fields
"""
def copy(field, value_type):
mapping_dict = {'values' : 'get_recursive_orig_value',
'tales' : 'get_recursive_tales'}
new_dict = {}
key_list = getattr(field.getRecursiveTemplateField(), value_type).keys()
for key in key_list:
method_id = mapping_dict[value_type]
value = getattr(field, method_id)(key)
if value=='':
continue
if isinstance(aq_base(value), (Method, TALESMethod)):
value = copyMethod(value)
elif value is not None and not isinstance(value,
(str, unicode, int, long, bool, list, tuple, dict)):
raise ValueError, repr(value)
new_dict[key] = value
return new_dict
def is_equal(a, b):
type_a = type(a)
type_b = type(b)
if type_a is not type_b:
return False
elif type_a is Method:
return a.method_name==b.method_name
elif type_a is TALESMethod:
return a._text==b._text
else:
return a==b
def remove_same_value(new_dict, target_dict):
for key, value in new_dict.items():
target_value = target_dict.get(key)
if is_equal(value, target_value):
del new_dict[key]
return new_dict
def get_group_and_position(field_id):
for i in self.groups.keys():
if field_id in self.groups[i]:
return i, self.groups[i].index(field_id)
def set_group_and_position(group, position, field_id):
self.field_removed(field_id)
self.groups[group].insert(position, field_id)
# Notify changes explicitly.
self.groups = self.groups
if field_dict is None:
return
for field_id in field_dict.keys():
# keep current group and position.
group, position = get_group_and_position(field_id)
# create field
old_proxy_field = getattr(self, field_id)
delegated_field = old_proxy_field.getRecursiveTemplateField()
if delegated_field is None:
break
self.manage_delObjects(field_id)
self.manage_addField(id=field_id,
title='',
fieldname=delegated_field.meta_type)
field = getattr(self, field_id)
# copy data
new_values = remove_same_value(copy(old_proxy_field, 'values'),
field.values)
new_tales = remove_same_value(copy(old_proxy_field, 'tales'),
field.tales)
field.values.update(new_values)
field.tales.update(new_tales)
# move back to the original group and position.
set_group_and_position(group, position, field_id)
if REQUEST is not None:
return self.formUnProxify(manage_tabs_message='Changed')
# Overload of the Form method
# Use the include_disabled parameter since
# we should consider all fields to render the group tab
# moreoever, listbox rendering fails whenever enabled
# is based on the cell parameter.
security.declareProtected('View', 'get_largest_group_length')
def get_largest_group_length(self):
"""Get the largest group length available; necessary for
'order' screen user interface.
XXX - Copyright issue
"""
max = 0
for group in self.get_groups(include_empty=1):
fields = self.get_fields_in_group(group, include_disabled=1)
if len(fields) > max:
max = len(fields)
return max
security.declareProtected('View', 'get_groups')
def get_groups(self, include_empty=0):
"""Get a list of all groups, in display order.
If include_empty is false, suppress groups that do not have
enabled fields.
XXX - Copyright issue
"""
if include_empty:
return self.group_list
return [group for group in self.group_list
if self.get_fields_in_group(group, include_disabled=1)]
# Find support in ZMI. This is useful for development.
def PrincipiaSearchSource(self):
return str((self.pt, self.name, self.action, self.update_action,
self.encoding, self.stored_encoding, self.enctype))
# utility function
def get_field_meta_type_and_proxy_flag(field):
if field.meta_type=='ProxyField':
try:
return field.getRecursiveTemplateField().meta_type, True
except AttributeError:
raise AttributeError, 'The proxy target of %s.%s field does not '\
'exists. Please check the field setting.' % \
(field.aq_parent.id, field.getId())
else:
return field.meta_type, False
# More optimizations
#psyco.bind(ERP5Field)
# XXX Not useful, as we patch those methods in FormulatorPatch
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)
# install interactor
# we need to install interactor after to apply get_value patch.
from Products.ERP5Type.Interactor import field_value_interactor
field_value_interactor.install()