function conditional_fields_states_handler_checkboxes in Conditional Fields 7.3

States handler for checkboxes.

File

./conditional_fields.module, line 1778

Define dependencies between fields based on their states and values.

Code

function conditional_fields_states_handler_checkboxes($field, $field_info, $options, &$state) {

  // Checkboxes are actually different form fields, so the #states property
  // has to include a state for each checkbox.
  $checkboxes_selectors = array();
  switch ($options['values_set']) {
    case CONDITIONAL_FIELDS_DEPENDENCY_VALUES_WIDGET:
      foreach ($options['value'] as $value) {
        $checkboxes_selectors[conditional_fields_field_selector($field[current($value)])] = array(
          'checked' => TRUE,
        );
      }
      break;
    case CONDITIONAL_FIELDS_DEPENDENCY_VALUES_REGEX:

      // We interpret this as: checkboxes whose values match the regular
      // expression should be checked.
      foreach ($field['#options'] as $key => $label) {
        if (preg_match('/' . $options['value']['RegExp'] . '/', $key)) {
          $checkboxes_selectors[conditional_fields_field_selector($field[$key])] = array(
            'checked' => TRUE,
          );
        }
      }
      break;
    case CONDITIONAL_FIELDS_DEPENDENCY_VALUES_AND:
      foreach ($options['values'] as $value) {
        $checkboxes_selectors[conditional_fields_field_selector($field[$value])] = array(
          'checked' => TRUE,
        );
      }
      break;
    case CONDITIONAL_FIELDS_DEPENDENCY_VALUES_XOR:
      $checkboxes_selectors[] = 'xor';
    case CONDITIONAL_FIELDS_DEPENDENCY_VALUES_OR:
    case CONDITIONAL_FIELDS_DEPENDENCY_VALUES_NOT:
      foreach ($options['values'] as $value) {
        $checkboxes_selectors[] = array(
          conditional_fields_field_selector($field[$value]) => array(
            'checked' => TRUE,
          ),
        );
      }
      break;
  }
  $state = array(
    $options['state'] => $checkboxes_selectors,
  );
}