Example #1
0
    def update(self):
        super(MultiGenericFieldWidget, self).update()
        self.valueWidgets.update()
        requireCollectionResources()

        self.jsonAddIdentifier = None
        self.jsonAddTemplate = None
        self.includeEmptyMessage = self.allowRemove
        if self.allowAdding:
            self.jsonAddIdentifier = 'id' + md5hash(self.identifier)
            widgets = Widgets()
            widgets.append(self.createValueWidget(
                    '{' + self.jsonAddIdentifier + '}', None))
            widgets.update()
            self.jsonAddTemplate = list(widgets)[0]
Example #2
0
 def update(self):
     super(ObjectFieldWidget, self).update()
     value = self.component.dataManager(self.inputValue())
     form = cloneFormData(self.form, value, self.identifier)
     self.objectWidgets = Widgets(form=form, request=self.request)
     self.objectWidgets.extend(self.component.objectFields)
     self.objectWidgets.update()
Example #3
0
class ObjectFieldWidget(FieldWidget):
    grok.adapts(ObjectField, Interface, Interface)

    template = getTemplate('objectfieldwidget.cpt')
    
    def prepareContentValue(self, value):
        if value is NO_VALUE:
            return {self.identifier: []}
        return {self.identifier: value}

    def update(self):
        super(ObjectFieldWidget, self).update()
        value = self.component.dataManager(self.inputValue())
        form = cloneFormData(self.form, value, self.identifier)
        self.objectWidgets = Widgets(form=form, request=self.request)
        self.objectWidgets.extend(self.component.objectFields)
        self.objectWidgets.update()
Example #4
0
 def __init__(self, field, value_field, form, request):
     super(MultiGenericFieldWidget, self).__init__(field, form, request)
     self.allowAdding = field.allowAdding
     self.allowRemove = field.allowRemove
     self.inlineValidation = field.inlineValidation
     self.valueField = value_field
     self.valueWidgets = Widgets()
     self.haveValues = False
Example #5
0
 def __init__(self, context, request, **kwargs):
     super(FormCanvas, self).__init__(context, request, **kwargs)
     self.actionWidgets = Widgets(form=self, request=self.request)
     self.fieldWidgets = Widgets(form=self, request=self.request)
     self._updated = False
Example #6
0
class FormCanvas(FormData):
    """This represent a simple form setup: setup some fields and
    actions, prepare widgets for it.
    """
    label = u''
    description = u''

    actions = Actions()
    fields = Fields()

    __component_name__ = ''
    template = default_template

    @property
    def action_url(self):
        url = IURL(self.context, self.request, default=None)
        if url is not None:
            return u"%s/%s" % (url, self.__component_name__)
        return u""

    def __init__(self, context, request, **kwargs):
        super(FormCanvas, self).__init__(context, request, **kwargs)
        self.actionWidgets = Widgets(form=self, request=self.request)
        self.fieldWidgets = Widgets(form=self, request=self.request)
        self._updated = False

    @property
    def translate(self):
        localizer = getLocalizer()
        if localizer is not None:
            return localizer.translate
        return None

    def update(self, *args, **kwargs):
        pass

    def namespace(self):
        namespace = {}
        namespace['context'] = self.context
        namespace['request'] = self.request
        namespace['form'] = self
        namespace['view'] = self
        return namespace

    def extractData(self, fields=None):
        if fields is None:
            fields = self.fields
        return super(FormCanvas, self).extractData(fields)

    def haveRequiredFields(self):
        for field in self.fields:
            if field.required:
                return True
        return False

    def updateActions(self):
        action, result = self.actions.process(self, self.request)
        if ISuccessMarker.providedBy(result) and result.url is not None:
            code = result.code or 302
            exception = REDIRECTIONS[code]
            raise exception(result.url)
        return action, result

    def updateWidgets(self):
        self.fieldWidgets.extend(self.fields)
        self.actionWidgets.extend(self.actions)

        self.fieldWidgets.update()
        self.actionWidgets.update()

    def render(self, *args, **kwargs):
        """This is the default render method.
        Not providing a template will make it fails.
        Override this method, if needed (eg: return a string)
        """
        if self.template is None:
            raise NotImplementedError("Template is not defined.")
        return self.template.render(
            self, translate=self.translate, **self.namespace())
Example #7
0
class FormCanvas(FormData):
    """This represent a simple form setup: setup some fields and
    actions, prepare widgets for it.
    """
    grok.baseclass()

    label = u''
    description = u''

    actions = Actions()
    fields = Fields()

    protected = False
    csrftoken = None
    
    __component_name__ = ''
    template = default_template

    @property
    def action_url(self):
        url = queryMultiAdapter((self.context, self.request), IURL)
        if url is not None:
            return u"%s/%s" % (url, self.__component_name__)
        return u""

    def __init__(self, context, request):
        super(FormCanvas, self).__init__(context, request)
        self.actionWidgets = Widgets(form=self, request=self.request)
        self.fieldWidgets = Widgets(form=self, request=self.request)
        self._updated = False

    def setUpToken(self):
        session = getSession()
        if session is None:
            raise CSRFTokenGenerationError("No session.")
        self.csrftoken = session.get('__csrftoken__')
        if self.csrftoken is None:
            self.csrftoken = str(binascii.hexlify(urandom(32)))
            session['__csrftoken__'] = self.csrftoken
        
    def checkToken(self):
        session = getSession()
        if session is None:
            raise CSRFTokenGenerationError("No session.")
        cookietoken = session.get('__csrftoken__')
        if cookietoken is None:
            raise InvalidCSRFToken(_('Invalid CSRF token'))
        if cookietoken != self.request.form.get('form.field.__csrftoken__', None):
            raise InvalidCSRFToken(_('Invalid CSRF token'))

    @property
    def target_language(self):
        return ILanguage(self.request, None)

    def get_csrftoken(self):
        return unicode(self.csrftoken)

    def update(self, *args, **kwargs):
        if self.protected:
            from dolmen.forms.base.fields import Field
            from zope import schema, interface
            class ICSRF(interface.Interface):
                __csrftoken__ = schema.TextLine(title=u'csrf', defaultFactory=self.get_csrftoken)
            self.setUpToken()
            self.fields.extend(Fields(ICSRF))
            self.fields['__csrftoken__'].mode = 'hidden'

    def namespace(self):
        namespace = {}
        namespace['context'] = self.context
        namespace['request'] = self.request
        namespace['view'] = self
        return namespace

    def extractData(self, fields=None):
        if fields is None:
            fields = self.fields
        return super(FormCanvas, self).extractData(fields)

    def haveRequiredFields(self):
        return reduce(
            operator.or_,
            [False] + map(operator.attrgetter('required'), self.fields))

    def updateActions(self):
        action, result = self.actions.process(self, self.request)
        if action is not None and self.protected:
            # This form has CSRF protection enabled.
            self.checkToken()

        if ISuccessMarker.providedBy(result) and result.url is not None:
            code = result.code or 302
            exception = REDIRECTIONS[code]
            raise exception(result.url)
        return action, result

    def updateWidgets(self):
        self.fieldWidgets.extend(self.fields)
        self.actionWidgets.extend(self.actions)

        self.fieldWidgets.update()
        self.actionWidgets.update()

    def render(self, *args, **kwargs):
        """This is the default render method.
        Not providing a template will make it fails.
        Override this method, if needed (eg: return a string)
        """
        if self.template is None:
            raise NotImplementedError("Template is not defined.")
        return self.template.render(
            self, target_language=self.target_language, **self.namespace())
Example #8
0
 def jsonTemplateWidget(self):
     widgets = Widgets()
     widgets.append(self.createValueWidget('{identifier}', None))
     widgets.update()
     return list(widgets)[0]
Example #9
0
class MultiGenericFieldWidget(FieldWidget):
    grok.adapts(ICollectionField, Interface, Interface, Interface)

    allowAdding = True
    allowRemove = True
    inlineValidation = False

    template = getTemplate('multigenericfieldwidget.cpt')
    
    def __init__(self, field, value_field, form, request):
        super(MultiGenericFieldWidget, self).__init__(field, form, request)
        self.allowAdding = field.allowAdding
        self.allowRemove = field.allowRemove
        self.inlineValidation = field.inlineValidation
        self.valueField = value_field
        self.valueWidgets = Widgets()
        self.haveValues = False

    def createValueWidget(self, new_identifier, value):
        field = self.valueField.clone(new_identifier=str(new_identifier))
        form = cloneFormData(self.form, prefix=self.identifier)
        if value is not None:
            form.ignoreContent = False
            form.setContentData(NoneDataManager(value))
        else:
            form.ignoreRequest = False
            form.ignoreContent = True
        return form.widgetFactory.widget(field)

    def addValueWidget(self, new_identifier, value):
        widget = self.createValueWidget(new_identifier, value)
        if widget is not None:
            self.valueWidgets.append(widget)
        return widget

    def prepareContentValue(self, values):
        count = 0
        if values is not NO_VALUE:
            for position, value in enumerate(values):
                # Create new widgets for each value
                self.addValueWidget(position, value)
            count += len(values)
        if self.allowAdding and self.required and not count:
            self.addValueWidget(count, None)
            count += 1
        if count:
            self.haveValues = True
        return {self.identifier: str(count)}

    def prepareRequestValue(self, values, extractor):
        value_count = 0
        errors = None
        identifier_count = int(values.get(self.identifier, '0'))
        remove_something = self.identifier + '.remove' in values
        add_something = self.identifier + '.add' in values

        if self.inlineValidation:
            # If inlineValidation is on, and we removed or added
            # something, we extract this field to get the
            # validation messages right away (if the user clicked
            # on add or remove, he cannot have clicked on an
            # action button)
            if add_something or remove_something:
                ignored, errors = extractor.extract()
                if errors:
                    self.form.errors.append(errors)

        for position in range(0, identifier_count):
            value_marker = (self.identifier, position,)
            value_present = '%s.present.%d' % value_marker in values
            if not value_present:
                continue
            value_identifier = '%s.field.%d' % value_marker
            value_selected = '%s.checked.%d' % value_marker in values
            if remove_something and value_selected:
                if errors and value_identifier in errors:
                    # If the field have an error, remove it
                    del errors[value_identifier]
                continue
            # We need to provide the widget error now, but cannot set
            # all of them on the form now, as we might remove them
            # with delete
            self.addValueWidget(position, None)
            value_count += 1
        if (add_something or
            (self.allowAdding and self.required and not value_count)):
            self.addValueWidget(identifier_count, None)
            value_count += 1
            values[self.identifier] = str(identifier_count + 1)
        if value_count:
            self.haveValues = True
        if errors:
            if len(errors) > 1:
                self.form.errors.append(
                    Error(_(u"There were errors."), self.form.prefix))
            else:
                # If no errors are left, remove from the form (top level error)
                del self.form.errors[self.identifier]
        return values

    @property
    def jsonTemplateWidget(self):
        widgets = Widgets()
        widgets.append(self.createValueWidget('{identifier}', None))
        widgets.update()
        return list(widgets)[0]

    def update(self):
        super(MultiGenericFieldWidget, self).update()
        self.valueWidgets.update()
        requireCollectionResources()

        self.jsonAddIdentifier = None
        self.jsonAddTemplate = None
        self.includeEmptyMessage = self.allowRemove
        if self.allowAdding:
            self.jsonAddIdentifier = 'id' + md5hash(self.identifier)
            widgets = Widgets()
            widgets.append(self.createValueWidget(
                    '{' + self.jsonAddIdentifier + '}', None))
            widgets.update()
            self.jsonAddTemplate = list(widgets)[0]