function commerce_cart_field_formatter_settings_form_quantity_validate in Commerce Core 7

Element validate callback: ensure a valid quantity is entered.

2 string references to 'commerce_cart_field_formatter_settings_form_quantity_validate'

commerce_cart_field_formatter_settings_form in modules/cart/commerce_cart.module

Implements hook_field_formatter_settings_form().

commerce_cart_handler_field_add_to_cart_form::options_form in modules/cart/includes/views/handlers/commerce_cart_handler_field_add_to_cart_form.inc

Provide the add to cart display options.

File

modules/cart/commerce_cart.module, line 2691

Implements the shopping cart system and add to cart features.

Code

function commerce_cart_field_formatter_settings_form_quantity_validate($element, &$form_state, $form) {
  if (!is_numeric($element['#value']) || $element['#value'] <= 0) {
    form_set_error(implode('][', $element['#parents']), t('You must enter a positive numeric default quantity value.'));
  }
}