function tzfield_validate in Time Zone Field 6

FAPI function to validate tzfield element.

1 string reference to 'tzfield_validate'

tzfield_select_process in ./tzfield.module

Process an individual select element.

File

./tzfield.module, line 484

Defines a field type for storing timezones.

Code

function tzfield_validate($element, &$form_state) {

  // Transpose selections from field => delta to delta => field,
  // turning multiple selected options into multiple parent elements.
  // Immediate parent is the delta, need to get back to parent's parent
  // to create multiple elements.
  $field = $form_state['#field_info'][$element['#field_name']];
  $items = tzfield_form2data($element, $field);
  form_set_value($element, $items, $form_state);

  // Check we don't exceed the allowed number of values.
  if ($field['multiple'] >= 2) {

    // Filter out 'none' value (if present, will always be in key 0)
    $field_key = $element['#columns'][0];
    if (isset($items[0][$field_key]) && $items[0][$field_key] === '') {
      unset($items[0]);
    }
    if (count($items) > $field['multiple']) {
      $field_key = $element['#columns'][0];
      form_error($element[$field_key], t('%name: this field cannot hold more that @count values.', array(
        '%name' => t($field['widget']['label']),
        '@count' => $field['multiple'],
      )));
    }
  }
}