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Demo: Checkbox Choice Widget (with required field)

Captured submission

None

Code (click to show in context) 

    @view_config(renderer="templates/form.pt", name="checkboxchoice2")
    @demonstrate("Checkbox Choice Widget (with required field)")
    def checkboxchoice2(self):

        choices = (
            ("habanero", "Habanero"),
            ("jalapeno", "Jalapeno"),
            ("chipotle", "Chipotle"),
        )

        @colander.deferred
        def deferred_checkbox_widget(node, kw):
            return deform.widget.CheckboxChoiceWidget(values=choices)

        class Schema(colander.Schema):
            pepper = colander.SchemaNode(
                colander.Set(), widget=deferred_checkbox_widget
            )
            required = colander.SchemaNode(colander.String())

        schema = Schema()
        schema = schema.bind()
        form = deform.Form(schema, buttons=("submit",))

        return self.render_form(form)