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Drupal multistep forms, and AJAX, AHAH, etc.

Submitted by Alexander Allen on Mon, 2010-03-01 02:32
Drupal multistep forms, and AJAX, AHAH, etc.

I am tweaking and improving the user interface of the user registration interface of the Bibliotesis proyect. Drupal's extensive dense documentation is the amazon of links and content. Although this is actually a very good thing, if you happen to get lost in it then you may have to resort to Google to find your way through it. In today's fancy asynchronous multistep Drupal form research spike I found some treasures hidden inside the docs so good that I had to feature them in my blog:

**The Forms API Quickstart Guide:**
http://api.drupal.org/api/drupal/developer--topics--forms_api.html

**The ten Step-by-Step Code Samples for Learning the Drupal Form API tutorial:**
http://drupal.org/node/262422

**Multistep forms:**
http://drupal.org/node/717750

**JavaScript, AJAX, and the AHAH API.**
Did you know that Drupal ships with JQuery? Have you ever heard that Drupal initializes this var Drupal = Drupal || { 'settings': {}, 'behaviors': {}, 'themes': {}, 'locale': {} }; object, which in turn gets extended by themes and modules? This page is short in content, sweet in technical value and features some awesome links to other parts of the documentation - highly recommended for any drupalista:
http://drupal.org/node/205296

**And very important, the official forms API reference:**
http://api.drupal.org/api/drupal/developer--topics--forms_api_reference.html/6

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