Re: [webmin-devel] making config change to existing module, adding popup "select users" list

Jamie Cameron wrote:
>>   Basically, I want to provide a listing of usernames that
>>will _not_ be listed in the Read User Mail user list.  For example,
> That's a good idea for a feature..

   Thanks!  I wasn't expecting a reply from you directly... (=
I use this module (mailboxes) more than anything else, and so
the types of changes that I mentioned are very beneficial to me.
  I would think that others might find them as useful, too.

> The only way to do this is to implement your own custom config field
> type, which is documented at http://www.webmin.com/modules-config.html
> in the section on config type 15.

   Ok, I've been experimenting, and have a pretty good understanding
of what is needed.  I've already added the config.info entries to
implement the three items, including the type 15 for the userlist.
I've written a working config_info.pl sub that handles the actual
user selection, which all was easy to implement, thanks to the
flexibility of the webmin layout.

   The only part that is giving me troubles is when it comes to the
save part.  I don't quite follow what this means:
-----------------------
When saving, a function with parse_ is called instead. It can make use 
of the %in hash to find out what the user entered, and must return a new 
value for this module configuration setting.
-----------------------

   The part that specifically confuses me is the "new value" stuff
that is returned.  From what I can tell, the parse_ function simply
needs to return the new value of the config item.  So, I wrote the
sub as:

---CODE----

sub parse_userIgnoreList
{
   return $in{'ignore_users'};
}

---END-----

But nothing was saved.  I see where in config_save.cgi the
config_info.pl is checked, but when it comes to the foreign_call,
I don't really follow what is happening with the data that the
parse_ function returns.

> As long as your changes are well written, don't break any existing
> functionality, and are optional, I would be glad to include them in the
> module.

   I really appreciate your encouragement and openness.  Once I get
the saving thing figured out, how should I go about getting the
changes to you for examination?  Should I tgz the files involved
or provide patches or what?

Thanks again!

Mr Duck



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