Ron Savage wrote:
On Wed, 08 Nov 2006 20:43:36 +0000, RA Jones wrote:
Hi
Well, I could throw in a couple of (slightly off-topic) AJAX
questions if anyone cares to field them, or have we had enough of
that topic recently?
Throw them in (aka I'm bored...)!
That's what I wanted to hear! In one of the previous discussions about
getting AJAX working it was suggested that a major advantage of using
the js libraries such as JQuery and prototype over CGI::AJAX was so the
browser could cache the code blocks and not have to re-load on each page
refresh. However, I found a limitation here in that I have to hard-code
the url containing the AJAX function, whereas with CGI::AJAX I can pass
it as a parameter from the script using the CGI.pm url() function,
meaning I can run my apps as cgi or mod_perl without needing to change
anything. This is actually quite a long-winded way of asking if there is
a javascript equivalent to the CGI.pm url() I could put in the js block?
Secondly, having managed to make the basic div replace functions work
nicely with AJAX, I'm trying something a little more adventurous - how
to populate a drop-down menu depending on the selection of another
drop-down menu. I can make it work with the following, but it feels wrong:
First drop-down:
<select onBlur="populate_clinicians(['src_id'], ['clin_list']); return
true;" name="src_id" id="src_id">
<option value=""> </option>
..
</select>
Dependant drop-down generated by:
<div id="clin_list"></div>
And all the code for generating the select block (ie popup_menu()) is
done in the populate_clinicians() sub in the main application, instead
of in the template. Yak! But it works. Please tell me there's a better way.
--
Richard Jones
Leeds, UK
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