function commerce_line_item_handler_field_edit_quantity::views_form_validate in Commerce Core 7

File

modules/line_item/includes/views/handlers/commerce_line_item_handler_field_edit_quantity.inc, line 68

Field handler to present a form field to change quantity of a line item. It's a dummy handler, most part of the implementation is done via post render hook.

Class

commerce_line_item_handler_field_edit_quantity

Field handler to present a field to change quantity of a line item.

Code

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 ($form[$field_name][$row_id]['#datatype'] == 'integer' && (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.'));
    }
  }
}