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in Drupal 8, I want my form display such a (submit) button:
<button name="name" type="submit" value="value">Not the value</button>
So basically, the button value (that will be submitted) shall be different than the button text / label (following that solution).
Is that possible with the Form API? If yes, how?
I think this might be a duplicate of a question I posted a few weeks ago for Drupal 8.
Original question: https://drupal.stackexchange.com/a/226494/57
Some more write up: http://kevinquillen.com/drupal/2017/01/28/adding-twig-template-suggestions-for-form-elements
Basically I wanted to target just one submit, hence that technique. Simply changing the #type to button is not enough in the Form API to get that result you're asking for.
<button>...</button>. And I could not find out which Twig template it is using. It's obviously not input.html.twig. Do you have an idea where <button> comes from?
Feb 10, 2017 at 21:21
$form['go'] = ['#type' => 'submit', ...]
Feb 10, 2017 at 21:22
input--button.html.twig. :)
Feb 10, 2017 at 21:24
input--button.html.twig it will affect all button submits, which is why I am isolating and creating new suggestions for them. Particularly in my case, where there could be different SVG icons or something totally different depending on the form.
Could solve it myself. Since I'm using Bootstrap, I could hook into its button template input__button:
function MYMODULE_preprocess_input__button(&$variables) {
if (!empty($variables['element']['#label'])) {
$variables['label'] = $variables['element']['#label'];
}
}
With that, I can now define a label using the Form API:
$form['submit'] = [
'#type' => 'submit',
'#name' => 'some_name',
'#value' => 'some_value_to_send',
'#label' => $this->t('Label to show'),
'#button_type' => 'primary',
];
(If Bootstrap applies my patch then the hook will get obsolete.)