[development] groking ajax callbacks (Augustin (Beginner))

[Peter Wolanin]

Augustin,

this may not be the easiest place to find it, but I made a page here
already for 6.x/forms AJAX:

http://drupal.org/node/150859

-Peter

> ---------- Forwarded message ----------
> From: "Augustin (Beginner)" <drupal.beginner at wechange.org>
> To: development at drupal.org
> Date: Thu, 27 Dec 2007 22:16:34 +0800
> Subject: [development] groking ajax callbacks
>
> Hello,
>
> See my message to the documentation list about where to document
> everything ajax, ahax, js, and jquery.
> http://drupal.org/node/121997
>
>
> Right now, I am trying hard to understand book.js and ... I just don't
> get it.
>
>
> In book.js, there is an ajax call:
>
>
>   $.ajax({
>     url: Drupal.settings.book.formCallback +'/'+ $('#'+
> Drupal.settings.book.formId +' input[name=form_build_id]').val()
> +'/'+ $('#edit-book-bid').val(),
>     dataType: 'json',
>     success: function(data) {
>       // Insert the new select, and remove the progress bar.
>       $('#edit-book-plid-wrapper').after(data['book']).remove();
>     }
>
>
> in book_menu(), there is a menu callback, which I guess is the
> callback used by the js above:
>
>   $items['book/js/form'] = array(
>     'page callback' => 'book_form_update',
>     'access arguments' => array('access content'),
>     'type' => MENU_CALLBACK,
>     'file' => 'book.pages.inc',
>   );
>
>
> But everything javascript and ajax being completely undocumented, I am
> having a hard time to connect the two together, even by looking at
> drupal.js, looking at the big documentation block above
> drupal_add_js() (in common.inc), which I don't understand at all (I
> told you it was too early to change my handle!!)
>
>
> How does this...
>
>   $.ajax({
>     url: Drupal.settings.book.formCallback +'/'+ $('#'+
> Drupal.settings.book.formId +' input[name=form_build_id]').val()+'/'+
> $('#edit-book-bid').val(),
>
>
> ...lead to the book/js/form callback???
>
>
>
> I sense it is connected to Drupal.attachBehaviors (in drupal.js) and
> Drupal.behaviors.bookSelect (book.js), but I don't know how.
>
>
> As I always do, if you tell me both the answer and where to document
> this, I'll have a go at starting a documentation.
>
>
>
> Thanks and blessings,
>
>
> Augustin.
>
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