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## formbuilder
from zope.interface import implements
from nevow import rend
from nevow import loaders
from nevow import tags as T
from nevow import util
from formless import annotate
from formless import webform
from formless import configurable
from twisted.python import reflect
class BuilderCore(configurable.Configurable):
def __init__(self):
configurable.Configurable.__init__(self, None)
self.formElements = []
def getBindingNames(self, ctx):
return ['form']
def bind_form(self, ctx):
return annotate.MethodBinding(
'action',
annotate.Method(arguments=self.formElements))
def action(self, **kw):
print "ACTION!", kw
def addElement(self, name, type):
self.formElements.append(
annotate.Argument(name, type()))
allTypes = [annotate.String, annotate.Text, annotate.Integer, annotate.Real, annotate.Password]
typeChoice = annotate.Choice(choices=allTypes, valueToKey=reflect.qual, keyToValue=reflect.namedAny, stringify=lambda x: x.__name__)
class IFormBuilder(annotate.TypedInterface):
def addElement(name=annotate.String(required=True), type=typeChoice):
"""Add Element
Add an element to this form.
"""
pass
addElement = annotate.autocallable(addElement)
def clearForm():
"""Clear Form
Clear this form.
"""
clearForm = annotate.autocallable(clearForm)
class FormBuilder(rend.Page):
implements(IFormBuilder)
addSlash = True
def __init__(self):
rend.Page.__init__(self)
self.clearForm()
def configurable_formBuilder(self, ctx):
return configurable.TypedInterfaceConfigurable(self)
def configurable_dynamicForm(self, ctx):
return self.builderCore
def addElement(self, name, type):
self.builderCore.addElement(name, type)
def clearForm(self):
self.builderCore = BuilderCore()
docFactory = loaders.stan(T.html[
T.head[
T.title["Form builder!"]],
T.style(type="text/css")[
open(util.resource_filename('formless', 'freeform-default.css')).read()],
T.body[
T.h1["Welcome to form builder"],
webform.renderForms('formBuilder'),
T.h2["Here is your form:"],
webform.renderForms('dynamicForm')]])
## Startup glue
from nevow import appserver
from twisted.application import service
from twisted.application import internet
application = service.Application('formbuilder')
internet.TCPServer(8080, appserver.NevowSite(FormBuilder())).setServiceParent(application)
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