user_block

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modules/user/user.module, строка 525

Версии
5 – 6
user_block($op = 'list', $delta = 0, $edit = array())

Реализация hook_block().

Код

<?php
function user_block($op = 'list', $delta = 0, $edit = array()) {
  global $user;

  if ($op == 'list') {
     $blocks[0]['info'] = t('User login');
     $blocks[1]['info'] = t('Navigation');
     $blocks[2]['info'] = t('Who\'s new');
     $blocks[3]['info'] = t('Who\'s online');

     return $blocks;
  }
  else if ($op == 'configure' && $delta == 2) {
    $form['user_block_whois_new_count'] = array(
      '#type' => 'select',
      '#title' => t('Number of users to display'),
      '#default_value' => variable_get('user_block_whois_new_count', 5),
      '#options' => drupal_map_assoc(array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)),
    );
    return $form;
  }
  else if ($op == 'configure' && $delta == 3) {
    $period = drupal_map_assoc(array(30, 60, 120, 180, 300, 600, 900, 1800, 2700, 3600, 5400, 7200, 10800, 21600, 43200, 86400), 'format_interval');
    $form['user_block_seconds_online'] = array('#type' => 'select', '#title' => t('User activity'), '#default_value' => variable_get('user_block_seconds_online', 900), '#options' => $period, '#description' => t('A user is considered online for this long after they have last viewed a page.'));
    $form['user_block_max_list_count'] = array('#type' => 'select', '#title' => t('User list length'), '#default_value' => variable_get('user_block_max_list_count', 10), '#options' => drupal_map_assoc(array(0, 5, 10, 15, 20, 25, 30, 40, 50, 75, 100)), '#description' => t('Maximum number of currently online users to display.'));

    return $form;
  }
  else if ($op == 'save' && $delta == 2) {
    variable_set('user_block_whois_new_count', $edit['user_block_whois_new_count']);
  }
  else if ($op == 'save' && $delta == 3) {
    variable_set('user_block_seconds_online', $edit['user_block_seconds_online']);
    variable_set('user_block_max_list_count', $edit['user_block_max_list_count']);
  }
  else if ($op == 'view') {
    $block = array();

    switch ($delta) {
      case 0:
        // For usability's sake, avoid showing two login forms on one page.
        if (!$user->uid && !(arg(0) == 'user' && !is_numeric(arg(1)))) {

          $block['subject'] = t('User login');
          $block['content'] = drupal_get_form('user_login_block');
        }
        return $block;

      case 1:
        if ($menu = theme('menu_tree')) {
           $block['subject'] = $user->uid ? check_plain($user->name) : t('Navigation');
           $block['content'] = $menu;
        }
        return $block;

      case 2:
        if (user_access('access content')) {
          // Retrieve a list of new users who have subsequently accessed the site successfully.
          $result = db_query_range('SELECT uid, name FROM {users} WHERE status != 0 AND access != 0 ORDER BY created DESC', 0, variable_get('user_block_whois_new_count', 5));
          while ($account = db_fetch_object($result)) {
            $items[] = $account;
          }
          $output = theme('user_list', $items);

          $block['subject'] = t('Who\'s new');
          $block['content'] = $output;
        }
        return $block;

      case 3:
        if (user_access('access content')) {
          // Count users active within the defined period.
          $interval = time() - variable_get('user_block_seconds_online', 900);

          // Perform database queries to gather online user lists.  We use s.timestamp
          // rather than u.access because it is much faster.
          $anonymous_count = sess_count($interval);
          $authenticated_users = db_query('SELECT DISTINCT u.uid, u.name, s.timestamp FROM {users} u INNER JOIN {sessions} s ON u.uid = s.uid WHERE s.timestamp >= %d AND s.uid > 0 ORDER BY s.timestamp DESC', $interval);
          $authenticated_count = db_num_rows($authenticated_users);

          // Format the output with proper grammar.
          if ($anonymous_count == 1 && $authenticated_count == 1) {
            $output = t('There is currently %members and %visitors online.', array('%members' => format_plural($authenticated_count, '1 user', '@count users'), '%visitors' => format_plural($anonymous_count, '1 guest', '@count guests')));
          }
          else {
            $output = t('There are currently %members and %visitors online.', array('%members' => format_plural($authenticated_count, '1 user', '@count users'), '%visitors' => format_plural($anonymous_count, '1 guest', '@count guests')));
          }

          // Display a list of currently online users.
          $max_users = variable_get('user_block_max_list_count', 10);
          if ($authenticated_count && $max_users) {
            $items = array();

            while ($max_users-- && $account = db_fetch_object($authenticated_users)) {
              $items[] = $account;
            }

            $output .= theme('user_list', $items, t('Online users'));
          }

          $block['subject'] = t('Who\'s online');
          $block['content'] = $output;
        }
        return $block;
    }
  }
}
?>
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