forms episodes

Use checkboxes to edit multiple records in one form, where each one has an individual set of form fields.

Add and remove nested model fields dynamically through JavaScript using either Prototype or jQuery.

Handling multiple models in a single form is much easier with the accepts_nested_attributes_for method. See how to use this method to handle nested model fields.

Learn about some of the more advanced functionality of Formtastic including handling many-to-many associations, required fields, and styling.

Formtastic is a concise way to generate form views. In this episode (part 1 of 2) I show how to generate both a simple form and a more complex one which is customized with options.

Security is important! Here I show seven different security flaws which are common to Rails applications ranging from mass assignment to CSRF protection.

Use a virtual attribute to implement a simple tagging feature. In this episode I show you how to assign virtual attributes through a callback instead of a setter method.

Use checkboxes to select multiple records and edit them all in one form as shown in this episode. With virtual attributes you can even edit values relatively!

Usually a select menu is used for setting a belongs_to association, but in this episode I will show you how to use a text field with auto completion.

See how to dynamically change a select menu based on another select menu using Javascript. In this episode everything is kept client side which leads to a more responsive user interface.