[dev] understanding Horde hooks

[Michael J Rubinsky]

Quoting Sebastian Birnbach <birnbacs at gmail.com>:

> I am trying to get an understanding of horde hooks and here is what I fould
> out so far.
>
> 1.) For customisation there are predefined methods in hooks.php and the
> list of methods cannot be extended.

Correct.

>
> 2.) If I got
> https://wiki.horde.org/CustomizingPreferencesH5?referrer=CustomizingPreferences#toc1
> right, a hook method can be implemented for every user preference in the
> $prefs object, so that the corresponding method is called upon every read
> operation of the preference.
>
> For instance, a hook to a hypothetical whups preference "some_pref" would
> require the line
> "$_prefs['some_pref']['hook'] = true;"
> in whups/config/prefs.php.
>
> The implementation would be done in whups/config/hooks.php:
> public function some_pref() {
>   return "here goes your value";
> }

Not quite.

You are correct in setting $_prefs['some_pref']['hook'] = true; but  
you don't add a new hook method. Setting this prefs to true will cause  
the "pref_init" hook to fire on login. You would detect the pref you  
are interested in using some conditional statement within this hook.  
The hook is defined in the hooks.php file of the application that the  
pref belongs to.

>
>
> Is this correct? Is there more to it? Any other resources?

This is all described in the horde/config/hooks.php file.


> Kind regards
>
>   birnbacs
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-- 
mike
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