[development] Changing button #name?
arcaneadam at gmail.com
Wed Jun 23 15:37:08 UTC 2010
Actually all buttons in a Drupal form have the name "op" so that you can
easily determine which button was pressed in the submit function. i.e. if
($op = 'blah) or switch ($op).
If you are using the Drupal Ahah framework for this then your submit
function should handle it. But since all your buttons are titled Remove,
what you can do is use $form_state['clicked_button']['#id'] to determine
which button was clicked in your submit function. As #id is built of the
array key you give the element in the $form variable.
Adam A. Gregory
Drupal Developer & Consultant
On Wed, Jun 23, 2010 at 11:15 AM, Ken Winters <kwinters at coalmarch.com>wrote:
> Does it have to be a giant form? Using anchor tags and then a confirm form
> is fairly common.
> Objects in a form do need to have unique names / IDs.
> - Ken Winters
> On Jun 23, 2010, at 10:36 AM, Richard Morse wrote:
> Hi! I'm trying to build an AHAH form which allows users to add and remove
>> I'm building a table like:
>> Id Note
>>> 1 [This is a step ] <remove>
>>> 2 [This is another step ] <remove>
>>> 3 [Make me an offer! ] <remove>
>>> <add step>
>> In order to be able to determine which remove button was pressed, I'm
>> creating them like:
>> '#type' => 'button',
>> '#name' => 'remove_btn_' . $row_id,
>> '#value' => 'remove',
>> '#ahah' => ...
>> I'm doing this because otherwise the form state shows the clicked_button
>> always as the last of the remove buttons created.
>> According to the forms_api_reference on api.drupal.org, in the section
>> for '#name',
>> All button and submit elements on a form should have the same name
>> Am I breaking something by setting the name for each button separately? If
>> so, how am I supposed to distinguish between the various remove buttons?
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