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Is there a way to change the quantity widget in the Drupal Commerce cart view from a textfield to a selectbox? And then refresh the page when the selectbox is changed without making the user press the Update cart button?

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<?php
/**
 * Implements hook_form_alter().
*/
function mymodule_form_alter(&$form, &$form_state, $form_id) {
 if (strpos($form_id, 'commerce_cart_add_to_cart_form_') === 0) {
   if (isset($form['quantity']) && ($form['quantity']['#type'] == 'textfield')) {
     $form['quantity']['#type'] = 'select';
     $form['quantity']['#options'] = drupal_map_assoc(range(1,10));
     $form['quantity']'#default_value' => 1,
   }
 }
}

?>

  • This solution looks like it is for the quantity in the add-to-cart form on a product display page, not the quantity field that shows up in the cart form (View). – Craig Apr 22 '16 at 12:07

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