How-Tos

Create a Multi-Page Form

You can create a multi-page form as a chain of form folders.

Creating Custom Validators

PloneFormGen allows you to create a custom field-input validator by specifying a TALES expression that will be used to validate input when it's submitted. This how-to explains what that means, and offers a few examples.

Installing a JavaScript Event Handler in a Form

This how-to presents an example of using a PloneFormGen form override to enable a dynamic totalling function in an order form.

Overriding Field Defaults Dynamically

PloneFormGen allows you to supply dynamic field defaults by specifying a TALES expression in the Default Expression field of the overrides fieldset (sub-form). This how-to explains what that means, and offers a few examples.

Pass Form elements to External Method

A quick outline of how to pass request.form elements to an external method for file system processing

Restyle A Form

How to inject CSS into a form page to turn a label green ... or pretty much anything else.

Use a Selection Field to Pick Mail Destination

You may allow form users to use a selection field to choose a destination address for their form input.

Use an AT Vocabulary Manager Vocabulary in a Selection Field

You may use a simple vocabulary from AT Vocabulary Manager to populate the options of a selection or multiple-selection form field.

What's in a Request

If you're trying to use PloneFormGen overrides, you're going to need to use the request object. Here's a quick trick for exploring it.

Customizing an Individual Thanks Page

It's not hard to customize the thanks page for an individual form. This trick is particularly useful for purposes like adding 'pay now' buttons.