use CaptchaValidator for demo form.

svn path=/plone.formwidget.captcha/trunk/; revision=28705

plone/formwidget/captcha/demo/form.py

@@ -1,24 +1,34 @@
 from Acquisition import aq_inner
+
 from zope import interface
 from zope import schema
 from zope.component import getMultiAdapter
-from z3c.form import form, field, button
-from plone.z3cform.layout import wrap_form
-from plone.formwidget.captcha.widget import CaptchaFieldWidget
 
+from z3c.form import form, field, button
+
+from plone.z3cform.layout import wrap_form
+
+from plone.formwidget.captcha.widget import CaptchaFieldWidget
+from plone.formwidget.captcha.validator import CaptchaValidator
 
 class ICaptchaForm(interface.Interface):
+    subject = schema.TextLine(title=u"Subject",
+                              description=u"",
+                              required=True)
+
     captcha = schema.TextLine(title=u"Captcha",
                               description=u"",
                               required=False)
 
 class Captcha(object):
-    captcha = ''
+    subject = u""
+    captcha = u""
     def __init__(self, context):
         self.context = context
 
 class BaseForm(form.Form):
-    """ example captcha form """
+    """Example captcha form
+    """
     fields = field.Fields(ICaptchaForm)
     fields['captcha'].widgetFactory = CaptchaFieldWidget
 
@@ -27,11 +37,10 @@ class BaseForm(form.Form):
         data, errors = self.extractData()
         if data.has_key('captcha'):
             # Verify the user input against the captcha
-            captcha = getMultiAdapter((aq_inner(self.context), self.request), name='captcha')
-            if captcha.verify(data['captcha']):
-                print 'Captcha validation passed.'
-            else:
-                print 'The code you entered was wrong, please enter the new one.'
+            captcha = CaptchaValidator(self.context, self.request, None, ICaptchaForm['captcha'], None)
+            if data.has_key('subject') and captcha.validate(data['captcha']):
+                # if captcha validation passes, print the subject
+                print data['subject']
         return
 
 CaptchaForm = wrap_form(BaseForm)