date_restrictions_minmax.module in Date Restrictions 7

File

modules/minmax/date_restrictions_minmax.module

<?php

/**
 * Implements hook_hook_info().
 */
function date_restrictions_minmax_hook_info() {
  $group = array(
    'group' => 'date_restrictions',
  );
  return array(
    'date_restrictions_minmax_info' => $group,
    'minmax_date_popup_settings' => $group,
    'minmax_settings_form' => $group,
    'minmax_settings_validate' => $group,
    'minmax_restriction_date' => $group,
  );
}

/**
 * Returns metadata describing minmax restrictions implementations.
 *
 * Invokes hook_date_restrictions_minmax_info().
 */
function date_restrictions_minmax_info() {
  $info =& drupal_static(__FUNCTION__);
  if (!$info) {
    $info = array();
    foreach (module_implements('date_restrictions_minmax_info') as $module) {
      $restrictions = (array) module_invoke($module, 'date_restrictions_minmax_info');
      foreach ($restrictions as $name => $data) {
        $info[$name] = $data;
        $info[$name]['module'] = $module;
        if (!isset($info[$name]['dependencies'])) {
          $info[$name]['dependencies'] = array();
        }
        elseif (!is_array($info[$name]['dependencies'])) {
          $info[$name]['dependencies'] = array(
            $info[$name]['dependencies'],
          );
        }
      }
    }
    drupal_alter('date_restrictions_minmax_info', $info);
  }
  return $info;
}

/**
 * Implements hook_date_popup_process_alter().
 *
 * - Adds our own validation callback.
 * - Adds javascript settings to control the available days in the datepicker.
 */
function date_restrictions_minmax_date_popup_process_alter(&$element, &$form_state, $context) {
  if (empty($element['#restrictions'])) {
    return;
  }
  $restrictions = date_restrictions_settings($element['#restrictions']);
  $js_settings = array();
  $info = date_restrictions_minmax_info();
  foreach (array(
    'min',
    'max',
  ) as $limit) {
    $type = $restrictions[$limit]['type'];
    if ($type != 'disabled') {
      $module = $info[$type]['module'];
      $hook = 'minmax_date_popup_settings';
      if (module_hook($module, $hook)) {
        $function = $module . '_' . $hook;
        $value = $function($type, $limit, $restrictions[$limit][$type], $element, $form_state, $context);
        if ($value) {
          $js_settings[$element['date']['#id']]['settings'][$limit . 'Date'] = $value;
        }
      }
    }
  }
  if (count($js_settings)) {
    drupal_add_js(array(
      'datePopup' => $js_settings,
    ), 'setting');
  }
}

Functions

Name	Description
date_restrictions_minmax_date_popup_process_alter	Implements hook_date_popup_process_alter().
date_restrictions_minmax_hook_info	Implements hook_hook_info().
date_restrictions_minmax_info	Returns metadata describing minmax restrictions implementations.