Copy/clone Form Fields (z3c.form)

Plone Support Add-on Development
1

Hi,
is it possible, or wise to clone/copy Form Fields?

I build a long form for companies, because they have to register for a conference.
We have several contacts (Contact for company, contact for applications,...) in this form.

Can I clone (or better reuse) an Interface (ex IPerson) but rename the fields for for saving?

For example:
My Basic IPerson contains following Fields:

class ICompanyContact(Interface):
    """
    """
    website = schema.TextLine(
        title=_(u"label_website", default=u'Website'),
        description=_(u"help_website", default=u''))
    email = schema.TextLine(
        title=_(u"label_email", default=u'E-Mail Adress'),
        description=_(u"help_email", default=u''))
    phone = schema.TextLine(
        title=_(u"label_phone", default=u'Phone'),
        description=_(u"help_phone", default=u''))

And I want to reuse all of this fields for
class ICompanyContact()
class ICompanyContactApplication()

And later the form inputs should be saved in an dexterity item...

2

What about making the fields behaviors and add the different behaviors to your content types ?

3

How about using a data grid field?

4

This was my first thought, but how can I save 3times the same field id (for example fname, surname or phone) and output them?

5

I have an example (remember to install datagridfield)

6

Uh, good idea - thank you!
But, I will prefer a "more standard" way, without any 3rd Party Tools

Anyway, I'll give that a try (because I have to finish it up :wink: )

class IContact(Interface):
    fname = schema.TextLine(
        title=_(u"label_fname", default=u'First name'),
        description=_(u"help_fname", default=u''))
    sname = schema.TextLine(
        title=_(u"label_sname", default=u'Surname'),
        description=_(u"help_sname", default=u''))

class IPerson(model.Schema, Interface)
    form.widget(company_contact=DataGridFieldFactory)
    company_contact = schema.List(
        title=u"Company contact",
        value_type=DictRow(
            title=u"Contact",
            schema=IContact),
        required=False)

    form.widget(company_contact=DataGridFieldFactory)
    application_contact = schema.List(
        title=u"Application contact",
        value_type=DictRow(
            title=u"Contact",
            schema=IContact),
        required=False)
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