I'm integrating Prototype/Scriptaculous into Drupal and I've hit up
against a problem with the way that Drupal creates froms with
multiple elements here's the code synopsis:
...
<form action="url" method="post" id="comment_form">
<input type="text" class="form-text" name="edit[subject]" id="edit-
subject" />
<textarea name="edit[comment]" id="edit-comment" ></textarea>
<!-- notice the next two lines -->
<input type="submit" class="form-submit" name="op" value="Preview
comment" />
<input type="submit" class="form-submit" name="op" value="Post
comment" />
</form>
<script type="text/javascript">
$('comment_form').onsubmit = function() {
new Ajax.Updater('div_id', 'http://example.com/url',
{evalScripts:true, method:'post', postBody:Form.serialize(this)});
return false;
}
</script>
...
The problem that I'm having is that Drupal is usually able to tell
which "op" button was clicked by checking $_POST['op']. But when I do
Form.serialize(), I get the value for both "op" buttons and the
second one overwrites the first, so that $_POST['op'] is always "Post
comment", even if "Preview comment" was selected.
So assuming that the type, name, or value of these buttons is hard
coded into Drupal, what is the best way for me to find out which "op"
button was used?
Thanks for any pointers.
-Jeff Robbins
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