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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>That almost works.&nbsp; For some reason pre_render gets called twice
and then it doubles up the calls to the Drupal_add_js (&#8230;settings) lines like
this:<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>drupal_add_js(<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>&nbsp;&nbsp;&nbsp; array('ldap_get_contact_details' =&gt;<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; array(&quot;json_url&quot; =&gt; $json_url)), 'setting');<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>My ajax calls use those settings to find the JSON urls to call.&nbsp;
If it gets called twice, then the settings array on the javascript side gets
doubled up and breaks.&nbsp; So then I moved those back to form alter (so they&#8217;d get
called once) and left the other drupal_add_js and Drupal_add_css lines in the
special my_load_js function.&nbsp; Basically right now it&#8217;s stuck at putting them in
form_alter and they don&#8217;t get called after the form_set_error returns, or put
them in as pre_render options, and somehow that gets called twice in one page
load.&nbsp; I put a watchdog statement in my_load_js so that I could verify, and it
does, in fact, get called twice per page load.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thoughts?<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Dave<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
development-bounces@drupal.org [mailto:development-bounces@drupal.org] <b>On
Behalf Of </b>Scott Reynolds<br>
<b>Sent:</b> Thursday, December 17, 2009 1:14 PM<br>
<b>To:</b> development@drupal.org<br>
<b>Subject:</b> Re: [development] Weird Javascript behavior after
form_set_error on Drupal forms<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>This is because on form error the form comes out of the
cache table and skips fetching the form and all its _alter's. The
'best'&nbsp;practice&nbsp;I have found is to use a #pre_render function to
drupal_add_js(). pre_render's are called always.<o:p></o:p></p>

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<p class=MsoNormal>&lt;?php<o:p></o:p></p>

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<p class=MsoNormal>function my_form_alter() {<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>&nbsp;&nbsp;// add my elements<o:p></o:p></p>

</div>

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<p class=MsoNormal>&nbsp;&nbsp;$form['#pre_render'][] = 'my_load_js';<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>}<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>?&gt;<o:p></o:p></p>

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<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal>&lt;?php<o:p></o:p></p>

</div>

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<p class=MsoNormal>function my_load_js($form) {<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal>&nbsp;&nbsp;drupal_add_js();<o:p></o:p></p>

</div>

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<p class=MsoNormal>&nbsp;&nbsp;return $form;<o:p></o:p></p>

</div>

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<p class=MsoNormal>}<o:p></o:p></p>

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<p class=MsoNormal>?&gt;<br clear=all>
<br>
-- <br>
Scott Reynolds<o:p></o:p></p>

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