public function commerce_add_to_cart_extras_handler_field_quantity::views_form_validate in Commerce Add to Cart Extras 7

File

./commerce_add_to_cart_extras_handler_field_quantity.inc, line 128

Views field handler. Adds the quantity field to the view. Implements the Views Form API.

Class

commerce_add_to_cart_extras_handler_field_quantity

Views field handler.

Code

public function views_form_validate($form, &$form_state) {
  $field_name = $this->options['id'];
  foreach (element_children($form[$field_name]) as $row_id) {

    // Ensure the quantity is actually a numeric value.
    if (!is_numeric($form_state['values'][$field_name][$row_id]) || $form_state['values'][$field_name][$row_id] < 0) {
      form_set_error($field_name . '][' . $row_id, t('You must specify a positive number for the quantity'));
    }

    // If the custom data type attribute of the quantity element is integer,
    // ensure we only accept whole number values.
    if ((int) $form_state['values'][$field_name][$row_id] != $form_state['values'][$field_name][$row_id]) {
      form_set_error($field_name . '][' . $row_id, t('You must specify a whole number for the quantity.'));
    }
  }
}