Creating a wizard

Wizards are user interface patterns that provide rich interaction for the user, usually to provide input for an automated process.

As an example, the checkout module will provide a wizard for library users to mass email borrowers. For example, they could select the oldest checkouts with borrowed books and send them all a message, requesting for the books to be returned.

Users start by going to the checkouts list view, selecting the checkout records to use, and then selecting a Send Messages option from the Action context menu. This will open the wizard form, allowing them to write the message subject and body. Clicking the Send button will send an email to each person that borrowed the selected checkouts.

The wizard model

A wizard displays a form view to the user, usually as a dialog window, with some fields to be filled in and buttons to trigger some business logic. These will then be used for the wizard's logic.

This is implemented using the...