required_by_role.date.inc

<?php
/**
 * @file
 * Date hooks
 */

/**
 * Implements hook_date_text_process_alter().
 *
 * This hook lets us make changes to the date_select widget.
 */
function required_by_role_date_text_process_alter(&$element, &$form_state, $context) {

  if (isset($element['#field'])) {

    global $user;

    $account = $user;
    $settings = $element['#instance']['settings'];

    $is_required = required_by_role_is_required($account, $settings, $context, $form_state);

    $element['#required'] = $element['date']['#required'] = $is_required;

  }

}

/**
 * Implements hook_date_select_process_alter().
 *
 * This hook lets us make changes to the date_select widget.
 */
function required_by_role_date_select_process_alter(&$element, &$form_state, $context) {

  if (isset($element['#field'])) {

    global $user;

    $account = $user;
    $settings = $element['#instance']['settings'];

    $is_required = required_by_role_is_required($account, $settings, $context, $form_state);
    $granularity = date_format_order($element['#date_format']);

    foreach ($granularity as $key) {
      $element[$key]['#required'] = $is_required;
    }

  }

}

/**
 * Implements hook_date_date_popup_process_alter().
 *
 * This hook lets us make changes to the date_select widget.
 */
function required_by_role_date_popup_process_alter(&$element, &$form_state, $context) {

  if (isset($element['#field'])) {

    global $user;

    $account = $user;
    $settings = $element['#instance']['settings'];

    $is_required = required_by_role_is_required($account, $settings, $context, $form_state);

    $granularity = date_format_order($element['#date_format']);
    $has_time = date_has_time($granularity);

    $element['#required'] = $element['date']['#required'] = $is_required;

    if ($has_time) {
      $element['time']['#required'] = $is_required;
    }

  }

}

/**
 * Implements hook_date_combo_process_alter().
 *
 * This hook lets us make changes to the date_select widget.
 */
function required_by_role_date_combo_process_alter(&$element, &$form_state, $context) {

}