def initializeFieldForm(field_class):
"""Initialize the properties (fields and values) on a particular
field class. Also add the tales and override methods.
"""
from Form import BasicForm
from DummyField import fields
form = BasicForm()
override_form = BasicForm()
tales_form = BasicForm()
for field in getPropertyFields(field_class.widget):
group = field.get_value("group") or "widget"
form.add_field(field, group)
tales_field = fields.TALESField(field.id,
title=field.get_value('title'),
description="",
default="",
display_width=40,
required=0)
tales_form.add_field(tales_field, group)
method_field = fields.MethodField(field.id,
title=field.get_value("title"),
description="",
default="",
required=0)
override_form.add_field(method_field, group)
for field in getPropertyFields(field_class.validator):
group = field.get_value("group") or "validator"
form.add_field(field, group)
tales_field = fields.TALESField(field.id,
title=field.get_value('title'),
description="",
default="",
display_with=40,
required=0)
tales_form.add_field(tales_field, group)
method_field = fields.MethodField(field.id,
title=field.get_value("title"),
description="",
default="",
required=0)
override_form.add_field(method_field, group)
field_class.form = form
field_class.override_form = override_form
field_class.tales_form = tales_form
class TALESWidget(Widget.TextWidget):
default = fields.MethodField('default',
title='Default',
default="",
required=0)
def render(self, field, key, value, REQUEST, render_prefix=None):
if value == None:
text = field.get_value('default')
else:
if value != "":
text = value._text
else:
text = ""
return Widget.TextWidget.render(self, field, key, text, REQUEST)
def render_view(self, field, value, REQUEST=None, render_prefix=None):
"""
Render TALES as read only
"""
if value == None:
text = field.get_value('default', REQUEST=REQUEST)
else:
if value != "":
text = value._text
else:
text = ""
return text
class MethodWidget(Widget.TextWidget):
default = fields.MethodField('default',
title='Default',
default="",
required=0)
def render(self, field, key, value, REQUEST, render_prefix=None):
if value == None:
method_name = field.get_value('default')
else:
if value != "":
method_name = value.method_name
else:
method_name = ""
return Widget.TextWidget.render(self, field, key, method_name, REQUEST)
class Validator(ValidatorBase):
"""Validates input and possibly transforms it to output.
"""
property_names = ValidatorBase.property_names + ['external_validator']
external_validator = fields.MethodField('external_validator',
title="External Validator",
description=(
"When a method name is supplied, this method will be "
"called each time this field is being validated. All other "
"validation code is called first, however. The value (result of "
"previous validation) and the REQUEST object will be passed as "
"arguments to this method. Your method should return true if the "
"validation succeeded. Anything else will cause "
"'external_validator_failed' to be raised."),
default="",
required=0)
message_names = ValidatorBase.message_names + ['external_validator_failed']
external_validator_failed = "The input failed the external validator."