[keyword] forms

Drupal7 AJAX Forms

Although IMHO Drupal's spin on AJAX is still fairly horrible compared with the amazing Partial Page Rendering/Update technology of JavaServer Faces (JSF) and 3rd party JSF toolkits like Primefaces, the Drupal7 Forms API makes it easier than previously to handle AJAX updates. From Form API Changes for Drupal 7, Part 2: AJAX/AHAH Changes:

Drupal7 Forms, the Form API (FAPI), and Forms tutorials

Once you've got a handle on the Form API, one of the best references for daily work is the Form API Reference, which tries to tabulate which form '#' properties are valid for each Form element '#type', along with some default values.

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