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function interval_field_widget_form in Interval Field 7

Implements hook_field_widget_form().

File

./interval.module, line 210
Defines an interval field @copyright Copyright(c) 2011 Rowlands Group @license GPL v2+ http://www.fsf.org/licensing/licenses/gpl.html @author Lee Rowlands leerowlands at rowlandsgroup dot com

Code

function interval_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {

  // Convenience variables.
  $value = isset($items[$delta]) ? $items[$delta] : array(
    'interval' => NULL,
    'period' => NULL,
  );
  $field_name = $instance['field_name'];

  // We need to check our form_state values for ajax completion.
  if (isset($form_state['values']) && !empty($form_state['values'][$field_name][$langcode][$delta])) {

    // We use the current form state values instead of those from the db.
    $value = $form_state['values'][$field_name][$langcode][$delta];
  }
  $element['#default_value'] = $value;
  $settings = $instance['settings'];
  $widget = $instance['widget'];

  // Available periods.
  if (isset($settings['allowed_periods'])) {
    $element['#periods'] = array_keys(array_filter($settings['allowed_periods']));
  }
  switch ($widget['type']) {
    case 'interval_default':
      $element += array(
        '#type' => 'interval',
      );
      break;
  }
  return $element;
}