############################################################################## # # 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> # 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 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 def Field_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) def Field_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) def Field_render_sub_field(self, id, value=None, REQUEST=None, key=None): """Render a sub field, as part of complete rendering of widget in a form. Works like render() but for sub field. Added key parameter for ERP5 in order to be compatible with listbox/matrixbox """ return self.sub_form.get_field(id)._render_helper( self.generate_subfield_key(id, key=key), value, REQUEST) def Field_generate_subfield_key(self, id, validation=0, key=None): """Generate the key Silva uses to render a sub field. Added key parameter for ERP5 Added key parameter for ERP5 in order to be compatible with listbox/matrixbox """ if key is None: key = self.id if self.field_record is None or validation: return 'subfield_%s_%s'%(key, id) return '%s.subfield_%s_%s:record' % (self.field_record, key, id) def Field_validate_sub_field(self, id, REQUEST, key=None): """Validates a subfield (as part of field validation). """ return self.sub_form.get_field(id)._validate_helper( self.generate_subfield_key(id, validation=1, key=key), REQUEST) def Field_render_helper(self, key, value, REQUEST): value = self._get_default(key, value, REQUEST) if self.get_value('hidden'): return self.widget.render_hidden(self, key, value, REQUEST) elif (not self.get_value('editable',REQUEST=REQUEST)): return self.widget.render_view(self, value) else: return self.widget.render(self, key, value, REQUEST) Field.generate_field_key = Field_generate_field_key Field.render = Field_render Field.render_sub_field = Field_render_sub_field Field.generate_subfield_key = Field_generate_subfield_key Field.validate_sub_field = Field_validate_sub_field Field._render_helper = Field_render_helper 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 # The required field should have a default value to 0 from Products.Formulator.DummyField import fields StringBaseValidator_required = fields.CheckBoxField('required', title='Required', description=( "Checked if the field is required; the user has to fill in some " "data."), default=0) StringBaseValidator.required = StringBaseValidator_required 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 list(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) if values is None: if field.get_value('required'): raise Exception, 'Required field %s has not been transmitted. Check that all required fields are in visible groups.' % (repr(field.id), ) else: raise KeyError, 'Field %s is not present in request object.' % (repr(field.id), ) # 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 = REQUEST.get(key, REQUEST.get('default_%s' % (key, ))) if result is None: if field.get_value('required'): raise Exception, 'Required field %s has not been transmitted. Check that all required fields are in visible groups.' % (repr(field.id), ) else: raise KeyError, 'Field %s is not present in request object.' % (repr(field.id), ) if (not not result)==True: return 1 else: return 0 BooleanValidator.validate = BooleanValidator_validate from Products.Formulator.Widget import CheckBoxWidget def CheckBoxWidget_render(self, field, key, value, REQUEST): """Render checkbox. """ rendered = [render_element("input", type="hidden", name="default_%s:int" % (key, ), value="0") ] if value: rendered.append(render_element("input", type="checkbox", name=key, css_class=field.get_value('css_class'), checked=None, extra=field.get_value('extra')) ) else: rendered.append(render_element("input", type="checkbox", name=key, css_class=field.get_value('css_class'), extra=field.get_value('extra')) ) return "".join(rendered) CheckBoxWidget.render = CheckBoxWidget_render if 'required' not in CheckBoxWidget.property_names: CheckBoxWidget.property_names = CheckBoxWidget.property_names + ['required'] CheckBoxWidget.required = fields.CheckBoxField('required', title='Required', description=( "Enforces the need for the field to be rendered."), default=0) # 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 value is None: if field.get_value('required'): raise Exception, 'Required field %s has not been transmitted. Check that all required fields are in visible groups.' % (repr(field.id), ) else: raise KeyError, 'Field %s is not present in request object.' % (repr(field.id), ) if type(value) is type('a'): value = string.strip(value) if field.get_value('required') and value == "": self.raise_error('required_not_found', field) #if field.get_value('uppercase'): # value = value.upper() 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 value = value.replace(' ','') input_style = field.get_value('input_style') if value.find(',') >= 0: value = value.replace(',','.') if value.find('%')>=0: value = value.replace('%','') try: value = float(value) if input_style.find('%')>=0: value = value/100 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): # list is needed, not a tuple if type(value) is type(()): value = list(value) # 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 from Products.Formulator.Widget import MultiListWidget def MultiListWidget_render(self, field, key, value, REQUEST): rendered_items = self.render_items(field, key, value, REQUEST) return render_element( 'select', name=key, multiple=None, css_class=field.get_value('css_class', REQUEST=REQUEST), size=field.get_value('size', REQUEST=REQUEST), contents=string.join(rendered_items, "\n"), extra=field.get_value('extra', REQUEST=REQUEST)) MultiListWidget.render = MultiListWidget_render from Products.Formulator.Widget import ListWidget def ListWidget_render(self, field, key, value, REQUEST): rendered_items = self.render_items(field, key, value, REQUEST) return render_element( 'select', name=key, css_class=field.get_value('css_class', REQUEST=REQUEST), size=field.get_value('size', REQUEST=REQUEST), contents=string.join(rendered_items, "\n"), extra=field.get_value('extra', REQUEST=REQUEST)) ListWidget.render = ListWidget_render # JPS - Subfield handling with listbox requires extension from Products.Formulator.StandardFields import DateTimeField def DateTimeField_get_default(self, key, value, REQUEST): if value is not None: return value # if there is something in the request then return None # sub fields should pick up defaults themselves if REQUEST is not None and hasattr(REQUEST, 'form') and \ REQUEST.form.has_key('subfield_%s_%s' % (key, 'year')): return None else: return self.get_value('default') DateTimeField._get_default = DateTimeField_get_default from Products.Formulator.Widget import DateTimeWidget class PatchedDateTimeWidget(DateTimeWidget): """ Added support for key in every call to render_sub_field """ def render(self, field, key, value, REQUEST): use_ampm = field.get_value('ampm_time_style') # FIXME: backwards compatibility hack: if not hasattr(field, 'sub_form'): from StandardFields import create_datetime_text_sub_form field.sub_form = create_datetime_text_sub_form() if value is None and field.get_value('default_now'): value = DateTime() year = None month = None day = None hour = None minute = None ampm = None if type(value) is type(DateTime()): year = "%04d" % value.year() month = "%02d" % value.month() day = "%02d" % value.day() if use_ampm: hour = "%02d" % value.h_12() else: hour = "%02d" % value.hour() minute = "%02d" % value.minute() ampm = value.ampm() input_order = field.get_value('input_order') if input_order == 'ymd': order = [('year', year), ('month', month), ('day', day)] elif input_order == 'dmy': order = [('day', day), ('month', month), ('year', year)] elif input_order == 'mdy': order = [('month', month), ('day', day), ('year', year)] else: order = [('year', year), ('month', month), ('day', day)] result = [] for sub_field_name, sub_field_value in order: result.append(field.render_sub_field(sub_field_name, sub_field_value, REQUEST, key=key)) date_result = string.join(result, field.get_value('date_separator')) if not field.get_value('date_only'): time_result = (field.render_sub_field('hour', hour, REQUEST, key=key) + field.get_value('time_separator') + field.render_sub_field('minute', minute, REQUEST, key=key)) if use_ampm: time_result += ' ' + field.render_sub_field('ampm', ampm, REQUEST, key=key) return date_result + ' ' + time_result else: return date_result def render_view(self, field, value): if value is None: return '' use_ampm = field.get_value('ampm_time_style') year = "%04d" % value.year() month = "%02d" % value.month() day = "%02d" % value.day() if use_ampm: hour = "%02d" % value.h_12() else: hour = "%02d" % value.hour() minute = "%02d" % value.minute() ampm = value.ampm() order = field.get_value('input_order') if order == 'ymd': output = [year, month, day] elif order == 'dmy': output = [day, month, year] elif order == 'mdy': output = [month, day, year] else: output = [year, month, day] date_result = string.join(output, field.get_value('date_separator')) if not field.get_value('date_only'): time_result = hour + field.get_value('time_separator') + minute if use_ampm: time_result += ' ' + ampm return date_result + ' ' + time_result else: return date_result DateTimeField.widget = PatchedDateTimeWidget() from Products.Formulator.Validator import DateTimeValidator, ValidationError, DateTime from DateTime.DateTime import DateError, TimeError class PatchedDateTimeValidator(DateTimeValidator): """ Added support for key in every call to validate_sub_field """ def validate(self, field, key, REQUEST): try: year = field.validate_sub_field('year', REQUEST, key=key) month = field.validate_sub_field('month', REQUEST, key=key) day = field.validate_sub_field('day', REQUEST, key=key) if field.get_value('date_only'): hour = 0 minute = 0 elif field.get_value('allow_empty_time'): hour = field.validate_sub_field('hour', REQUEST, key=key) minute = field.validate_sub_field('minute', REQUEST, key=key) if hour == '' and minute == '': hour = 0 minute = 0 elif hour == '' or minute == '': raise ValidationError('not_datetime', field) else: hour = field.validate_sub_field('hour', REQUEST, key=key) minute = field.validate_sub_field('minute', REQUEST, key=key) except ValidationError: self.raise_error('not_datetime', field) # handling of completely empty sub fields if ((year == '' and month == '' and day == '') and (field.get_value('date_only') or (hour == '' and minute == '') or (hour == 0 and minute == 0))): if field.get_value('required'): self.raise_error('required_not_found', field) else: # field is not required, return None for no entry return None # handling of partially empty sub fields; invalid datetime if ((year == '' or month == '' or day == '') or (not field.get_value('date_only') and (hour == '' or minute == ''))): self.raise_error('not_datetime', field) if field.get_value('ampm_time_style'): ampm = field.validate_sub_field('ampm', REQUEST, key=key) if field.get_value('allow_empty_time'): if ampm == '': ampm = 'am' hour = int(hour) # handling not am or pm # handling hour > 12 if ((ampm != 'am') and (ampm != 'pm')) or (hour > 12): self.raise_error('not_datetime', field) if (ampm == 'pm') and (hour == 0): self.raise_error('not_datetime', field) elif ampm == 'pm' and hour < 12: hour += 12 try: result = DateTime(int(year), int(month), int(day), hour, minute) # ugh, a host of string based exceptions (not since Zope 2.7) except ('DateTimeError', 'Invalid Date Components', 'TimeError', DateError, TimeError) : self.raise_error('not_datetime', field) # check if things are within range start_datetime = field.get_value('start_datetime') if (start_datetime is not None and result < start_datetime): self.raise_error('datetime_out_of_range', field) end_datetime = field.get_value('end_datetime') if (end_datetime is not None and result >= end_datetime): self.raise_error('datetime_out_of_range', field) return result DateTimeField.validator = PatchedDateTimeValidator() from Products.Formulator.Widget import TextWidgetInstance class FloatWidget(TextWidget): property_names = TextWidget.property_names +\ ['input_style','precision'] input_style = fields.ListField('input_style', title="Input style", description=( "The type of float we should enter. "), default="-1234.5", items=[("-1234.5", "-1234.5"), ("-1 234.5", "-1 234.5"), ("-12.3%", "-12.3%"),], required=1, size=1) precision = fields.IntegerField('precision', title='Precision', description=( "Number of digits after the decimal point"), default=None, required=0) def format_value(self, field, value): """Formats the value as requested""" if value not in (None,''): input_style = field.get_value('input_style') percent = 0 if input_style.find('%')>=0: percent=1 value = value * 100 try : value = str(float(value)) except ValueError: return value value_list = value.split('.') integer = value_list[0] if input_style.find(' ')>=0: integer = value_list[0] i = len(integer)%3 value = integer[:i] while i != len(integer): value += ' ' + integer[i:i+3] i += 3 else: value = value_list[0] precision = field.get_value('precision') if precision != 0: value += '.' if precision not in (None,''): for i in range(0,precision): if i < len(value_list[1]): value += value_list[1][i] else: value += '0' else: value += value_list[1] if percent: value += '%' return value.strip() def render(self, field, key, value, REQUEST): """Render Float input field """ value = self.format_value(field, value) display_maxwidth = field.get_value('display_maxwidth') or 0 extra_keys = {} if display_maxwidth > 0: extra_keys['maxlength'] = display_maxwidth 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'), **extra_keys) def render_view(self, field, value): """ Render Float display field. This patch add: * replacement of spaces by unbreakable spaces if the content is float-like * support of extra CSS class when render as pure text """ value = self.format_value(field, value) float_value = None try: float_value = float(value.replace(' ', '')) except: pass if float_value != None: value = value.replace(' ', ' ') extra = field.get_value('extra') if extra not in (None, ''): value = "<div %s>%s</div>" % (extra, value) return TextWidgetInstance.render_view(field, value) FloatWidgetInstance = FloatWidget() from Products.Formulator.StandardFields import FloatField FloatField.widget = FloatWidgetInstance ################################################################### # New formulator API # # render method on Field must change, and have a new parameter: # render_format # which is used to call others methods ('html' call render_html) ################################################################### # XXX Patching all Fields is not easy, as ERP5 defines his own fields. # def Widget_render(self, field, key, value, REQUEST, render_format='html') # # Test if method defined on class # method_id = 'render_%' % render_format # if hasattr(aq_self(self), method_id): # # Try to return built-in renderer # return getattr(self, method_id )(self, field, key, value, REQUEST) # raise KeyError, "Rendering not defined" # Monkey Patch # # Lookup all registered widgets and create render_html # XXX This method is not a good way of patching, # because it breaks inheritance # XXX It's difficult to get all possible widgets, as ERP5 defines # also his owns. # for f in Formulator.widgets(): # if not hasattr(f, '__erp5_patched'): # f.render_html = f.render def Widget_render_html(self, *args, **kw): return self.render(*args, **kw) Widget.render_html = Widget_render_html def Field_render_html(self, *args, **kw): """ render_html is used to as definition of render method in Formulator. """ return self.render(*args, **kw) Field.render_html = Field_render_html def Field_render_htmlgrid(self, value=None, REQUEST=None, key=None): """ render_htmlgrid returns a list of tuple (title, html render) """ # What about CSS ? What about description ? What about error ? return ((self.get_value('title'), self.render_html(value=value, REQUEST=REQUEST, key=key)),) Field.render_htmlgrid = Field_render_htmlgrid # Generic possible renderers # def render_ext(self, field, key, value, REQUEST): # return getattr(self, '%s_render' % self.__class__.__name__) # # def render_pt(self, field, key, value, REQUEST): # """ # Call a page template which contains 1 macro per field # """ # return self.field_master(self.__class__.__name__) # # def render_grid(self, field, key, value, REQUEST): # return ((self.get_value('title'), self.get_value('value'),) # # What about CSS ? What about description ? What about error ? # # What about rendering a listbox ? # # Grid is only valid if stucture of grid has some meaning and is # # implemeted by listbox (ex. spreadsheet = grid) # # def render_pdf(self, field, key, value, REQUEST): # return 'whatever for reportlab'