Skip to main content

An optgroup widget for z3c.form.

Project description

Introduction

This package implements a widget that groups select values into optgroups.

Usage

Imagine you have the following schema:

class IMySchema(Interface):
    country = schema.Choice(
        required=True,
        title=u"Country",
        vocabulary='countries',
    )

    subdivision = schema.Choice(
        required=True,
        title=u"State",
        vocabulary='subdivisions',
    )

    region = schema.Choice(
        required=True,
        title=u"County",
        vocabulary='regions',
    )

When you create your vocabularies (e.g. using SimpleVocabulary), instead of adding SimpleTerm items:

...
for country in pycountry.countries:
    terms.append(SimpleTerm(value=country.alpha2, token=country.alpha2,
                            title=country.name))
...

you add OptgroupTerm items:

from z3c.formwidget.optgroup.widget import OptgroupTerm

...
country_list = countries(context)
for item in pycountry.subdivisions:
    parent = country_list.getTermByToken(item.country_code).title
    terms.append(OptgroupTerm(value=item.code, token=item.code,
                              title=item.name, optgroup=parent))
...

In your form, simply assign the OptgroupFieldWidget:

from z3c.formwidget.optgroup.widget import OptgroupFieldWidget

class MyForm(form.Form):
    fields = field.Fields(IMySchema)

    fields['subdivision'].widgetFactory = OptgroupFieldWidget
    fields['region'].widgetFactory = OptgroupFieldWidget

Contributors

Thomas Massmann, Author

Changelog

1.2 (2012-05-01)

  • Fixed wrong html tag for display mode template. [Thomas Massmann]

1.1 (2012-04-26)

  • Always show no value message as first item. [Thomas Massmann]

1.0.1 (2012-04-14)

  • MANIFEST.in was missing some entries. [Thomas Massmann]

1.0 (2012-04-14)

  • Initial release. [Thomas Massmann]

Project details


Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Source Distribution

z3c.formwidget.optgroup-1.2.tar.gz (13.2 kB view hashes)

Uploaded Source

Supported by

AWS AWS Cloud computing and Security Sponsor Datadog Datadog Monitoring Fastly Fastly CDN Google Google Download Analytics Microsoft Microsoft PSF Sponsor Pingdom Pingdom Monitoring Sentry Sentry Error logging StatusPage StatusPage Status page