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##############################################################################
#
# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
# Copyright (c) 2003 Nexedi SARL and Contributors. All Rights Reserved.
# Sebastien Robin <seb@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 software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE
#
##############################################################################
from Products.Formulator.Field import Field
from Products.Formulator.Widget import Widget
from AccessControl import ClassSecurityInfo
from zLOG import LOG
class PatchedField:
security = ClassSecurityInfo()
security.declareProtected('Access contents information',
'generate_field_key')
def generate_field_key(self, validation=0, key=None):
"""Generate the key Silva uses to render the field in the form.
"""
# Patched by JPS for ERP5 in order to
# dynamically change the name
if key is not None:
return 'field_%s' % key
if self.field_record is None:
return 'field_%s' % self.id
elif validation:
return self.id
elif isinstance(self.widget, MultiItemsWidget):
return "%s.%s:record:list" % (self.field_record, self.id)
else:
return '%s.%s:record' % (self.field_record, self.id)
security.declareProtected('View', 'render')
def render(self, value=None, REQUEST=None, key=None):
"""Render the field widget.
value -- the value the field should have (for instance
from validation).
REQUEST -- REQUEST can contain raw (unvalidated) field
information. If value is None, REQUEST is searched
for this value.
if value and REQUEST are both None, the 'default' property of
the field will be used for the value.
"""
return self._render_helper(self.generate_field_key(key=key), value, REQUEST)
Field.generate_field_key = PatchedField.generate_field_key
Field.render = PatchedField.render
from Products.Formulator.Validator import SelectionValidator
from Products.Formulator.Validator import StringBaseValidator
def SelectionValidator_validate(self, field, key, REQUEST):
value = StringBaseValidator.validate(self, field, key, REQUEST)
if value == "" and not field.get_value('required'):
return value
# get the text and the value from the list of items
# Patch by JPS for Listbox cell
for item in field.get_value('items', cell=getattr(REQUEST,'cell',None)):
try:
item_text, item_value = item
except ValueError:
item_text = item
item_value = item
# check if the value is equal to the string/unicode version of
# item_value; if that's the case, we can return the *original*
# value in the list (not the submitted value). This way, integers
# will remain integers.
# XXX it is impossible with the UI currently to fill in unicode
# items, but it's possible to do it with the TALES tab
if field.get_value('unicode') and type(item_value) == type(u''):
str_value = item_value.encode(field.get_form_encoding())
else:
str_value = str(item_value)
if str_value == value:
return item_value
# if we didn't find the value, return error
self.raise_error('unknown_selection', field)
SelectionValidator.validate = SelectionValidator_validate
from Products.Formulator.Validator import SelectionValidator
def SelectionValidator_validate(self, field, key, REQUEST):
value = StringBaseValidator.validate(self, field, key, REQUEST)
if value == "" and not field.get_value('required'):
return value
# get the text and the value from the list of items
for item in field.get_value('items', cell=getattr(REQUEST,'cell',None)) + [field.get_value('default', cell=getattr(REQUEST,'cell',None))]:
try:
item_text, item_value = item
except ValueError:
item_text = item
item_value = item
# check if the value is equal to the string/unicode version of
# item_value; if that's the case, we can return the *original*
# value in the list (not the submitted value). This way, integers
# will remain integers.
# XXX it is impossible with the UI currently to fill in unicode
# items, but it's possible to do it with the TALES tab
if field.get_value('unicode') and type(item_value) == type(u''):
str_value = item_value.encode(field.get_form_encoding())
else:
str_value = str(item_value)
if str_value == value:
return item_value
# if we didn't find the value, return error
self.raise_error('unknown_selection', field)
SelectionValidator.validate = SelectionValidator_validate
from Products.Formulator.Validator import MultiSelectionValidator
def MultiSelectionValidator_validate(self, field, key, REQUEST):
values = REQUEST.get(key, [])
# NOTE: a hack to deal with single item selections
if type(values) is not type([]):
# put whatever we got in a list
values = [values]
# if we selected nothing and entry is required, give error, otherwise
# give entry list
if len(values) == 0:
if field.get_value('required'):
self.raise_error('required_not_found', field)
else:
return values
# convert everything to unicode if necessary
if field.get_value('unicode'):
values = [unicode(value, field.get_form_encoding())
for value in values]
# create a dictionary of possible values
value_dict = {}
for item in field.get_value('items', cell=getattr(REQUEST,'cell',None)): # Patch by JPS for Listbox
try:
item_text, item_value = item
except ValueError:
item_text = item
item_value = item
value_dict[item_value] = 0
default_value = field.get_value('default', cell=getattr(REQUEST,'cell',None))
if type(default_value) in (type([]), type(())):
for v in default_value:
value_dict[v] = 0
else:
value_dict[default_value] = 0
# check whether all values are in dictionary
result = []
for value in values:
# FIXME: hack to accept int values as well
try:
int_value = int(value)
except ValueError:
int_value = None
if int_value is not None and value_dict.has_key(int_value):
result.append(int_value)
continue
if value_dict.has_key(value):
result.append(value)
continue
self.raise_error('unknown_selection', field)
# everything checks out
return result
MultiSelectionValidator.validate = MultiSelectionValidator_validate
from Products.Formulator.Validator import BooleanValidator
def BooleanValidator_validate(self, field, key, REQUEST):
result = not not REQUEST.get(key, 0)
if result==True:
return 1
else:
return 0
BooleanValidator.validate = BooleanValidator_validate
# Patch the render_view of a TextAreaWidget so that
# it is rendered as a nice box, it is using the tag
# readonly understood by most browsers for a text area
from Products.Formulator.Widget import TextAreaWidget
from Products.Formulator.Widget import render_element
from DocumentTemplate.DT_Util import html_quote
def TextAreaWidget_render_view(self, field, value):
width = field.get_value('width')
height = field.get_value('height')
return render_element("textarea",
name='',
css_class=field.get_value('css_class'),
cols=width,
rows=height,
contents=html_quote(value),
extra='readonly')
TextAreaWidget.render_view = TextAreaWidget_render_view
# Patch the render_view of LinkField so that it is clickable in read-only mode.
from Products.Formulator.Widget import TextWidget
from Products.Formulator.StandardFields import LinkField
from Globals import get_request
from urlparse import urljoin
class PatchedLinkWidget(TextWidget) :
def render_view(self, field, value) :
"""Render link.
"""
REQUEST = get_request()
link_type = field.get_value('link_type')
if link_type == 'internal':
value = urljoin(REQUEST['BASE0'], value)
elif link_type == 'relative':
value = urljoin(REQUEST['URL1'], value)
return '<a href="%s">%s</a>' % (value, field.get_value('title', cell=REQUEST.get('cell')))
PatchedLinkWidgetInstance = PatchedLinkWidget()
LinkField.widget = PatchedLinkWidgetInstance
class IntegerWidget(TextWidget) :
def render(self, field, key, value, REQUEST) :
"""Render link.
"""
if type(value) is type(1.0):
value = int(value)
display_maxwidth = field.get_value('display_maxwidth') or 0
if display_maxwidth > 0:
return render_element("input",
type="text",
name=key,
css_class=field.get_value('css_class'),
value=value,
size=field.get_value('display_width'),
maxlength=display_maxwidth,
extra=field.get_value('extra'))
else:
return render_element("input",
type="text",
name=key,
css_class=field.get_value('css_class'),
value=value,
size=field.get_value('display_width'),
extra=field.get_value('extra'))
from Products.Formulator.StandardFields import IntegerField
from Products.Formulator.Validator import IntegerValidator
IntegerFieldWidgetInstance = IntegerWidget()
IntegerField.widget = IntegerFieldWidgetInstance
import string
def IntegerValidator_validate(self, field, key, REQUEST):
value = StringBaseValidator.validate(self, field, key, REQUEST)
# we need to add this check again
if value == "" and not field.get_value('required'):
return value
try:
if value.find(' ')>0:
value = value.replace(' ','')
value = int(value)
except ValueError:
self.raise_error('not_integer', field)
start = field.get_value('start')
end = field.get_value('end')
if start != "" and value < start:
self.raise_error('integer_out_of_range', field)
if end != "" and value >= end:
self.raise_error('integer_out_of_range', field)
return value
IntegerValidator.validate = IntegerValidator_validate
def StringBaseValidator_validate(self, field, key, REQUEST):
# We had to add this patch for hidden fields of type "list"
value = REQUEST.get(key, "")
if type(value) is type('a'):
value = string.strip(value)
if field.get_value('required') and value == "":
self.raise_error('required_not_found', field)
return value
StringBaseValidator.validate = StringBaseValidator_validate
def render_hidden(self, field, key, value, REQUEST):
"""Renders this widget as a hidden field.
"""
#LOG('render_hidden',0,str(value))
try:
extra = field.get_value('extra')
except KeyError:
# In case extra is not defined as in DateTimeWidget
extra = ''
result = ''
# We must adapt the rendering to the type of the value
# in order to get the correct type back
if type(value) is type([]) or type(value) is type(()):
for v in value:
result += render_element("input",
type="hidden",
name="%s:list" % key,
value=v,
extra=extra)
else:
result = render_element("input",
type="hidden",
name=key,
value=value,
extra=extra)
return result
Widget.render_hidden = render_hidden
from Products.Formulator.Validator import LinesValidator
def LinesValidator_validate(self, field, key, REQUEST):
value = StringBaseValidator.validate(self, field, key, REQUEST)
# Added as a patch for hidden values
if type(value) is type([]) or type(value) is type(()):
value = string.join(value, "\n")
# we need to add this check again
if value == "" and not field.get_value('required'):
return []
if field.get_value('unicode'):
value = unicode(value, field.get_form_encoding())
# check whether the entire input is too long
max_length = field.get_value('max_length') or 0
if max_length and len(value) > max_length:
self.raise_error('too_long', field)
# split input into separate lines
lines = string.split(value, "\n")
# check whether we have too many lines
max_lines = field.get_value('max_lines') or 0
if max_lines and len(lines) > max_lines:
self.raise_error('too_many_lines', field)
# strip extraneous data from lines and check whether each line is
# short enough
max_linelength = field.get_value('max_linelength') or 0
result = []
whitespace_preserve = field.get_value('whitespace_preserve')
for line in lines:
if not whitespace_preserve:
line = string.strip(line)
if max_linelength and len(line) > max_linelength:
self.raise_error('line_too_long', field)
result.append(line)
return result
LinesValidator.validate = LinesValidator_validate
from Products.Formulator.Validator import FloatValidator
def FloatValidator_validate(self, field, key, REQUEST):
value = StringBaseValidator.validate(self, field, key, REQUEST)
if value == "" and not field.get_value('required'):
return value
try:
if value.find(',') >= 0:
value = value.replace(',','.')
value = float(value)
except ValueError:
self.raise_error('not_float', field)
return value
FloatValidator.validate = FloatValidator_validate
from Products.Formulator.Widget import SingleItemsWidget
def SingleItemsWidget_render_items(self, field, key, value, REQUEST):
# get items
items = field.get_value('items', REQUEST=REQUEST, cell=getattr(REQUEST,'cell',None))
# check if we want to select first item
if not value and field.get_value('first_item') and len(items) > 0:
try:
text, value = items[0]
except ValueError:
value = items[0]
css_class = field.get_value('css_class')
extra_item = field.get_value('extra_item')
# if we run into multiple items with same value, we select the
# first one only (for now, may be able to fix this better later)
selected_found = 0
rendered_items = []
for item in items:
try:
item_text, item_value = item
except ValueError:
item_text = item
item_value = item
if item_value == value and not selected_found:
rendered_item = self.render_selected_item(item_text,
item_value,
key,
css_class,
extra_item)
selected_found = 1
else:
rendered_item = self.render_item(item_text,
item_value,
key,
css_class,
extra_item)
rendered_items.append(rendered_item)
# XXX We want to make sure that we always have the current value in items. -yo
if not selected_found and value:
rendered_item = self.render_selected_item('??? (%s)' % value,
value,
key,
css_class,
extra_item)
rendered_items.append(rendered_item)
return rendered_items
SingleItemsWidget.render_items = SingleItemsWidget_render_items
from Products.Formulator.Widget import MultiItemsWidget
def MultiItemsWidget_render_items(self, field, key, value, REQUEST):
# need to deal with single item selects
if type(value) is not type([]):
value = [value]
# XXX -yo
selected_found = {}
items = field.get_value('items',REQUEST=REQUEST, cell=getattr(REQUEST,'cell',None)) # The only thing changes, added request
css_class = field.get_value('css_class')
extra_item = field.get_value('extra_item')
rendered_items = []
for item in items:
try:
item_text, item_value = item
except ValueError:
item_text = item
item_value = item
if item_value in value:
rendered_item = self.render_selected_item(item_text,
item_value,
key,
css_class,
extra_item)
# XXX -yo
index = value.index(item_value)
selected_found[index] = 1
else:
rendered_item = self.render_item(item_text,
item_value,
key,
css_class,
extra_item)
rendered_items.append(rendered_item)
# XXX We want to make sure that we always have the current value in items. -yo
for index in range(len(value)):
v = value[index]
if index not in selected_found and v:
rendered_item = self.render_selected_item('??? (%s)' % v,
v,
key,
css_class,
extra_item)
rendered_items.append(rendered_item)
return rendered_items
MultiItemsWidget.render_items = MultiItemsWidget_render_items