function heartbeat_block in Heartbeat 6.4

Same name and namespace in other branches

1. 6.2 heartbeat.module \heartbeat_block()
2. 6.3 heartbeat.module \heartbeat_block()

Implementation of hook_blocks().

File

./heartbeat.module, line 514

Code

function heartbeat_block($op = 'list', $delta = 0, $edit = array()) {
  if (!variable_get('heartbeat_enabled', 1)) {
    return FALSE;
  }
  $access_types = variable_get('heartbeat_access_types', array());
  if ($op == 'list') {

    // A block foreach access type
    foreach ($access_types as $key => $access_type) {
      $blocks[$key]['info'] = drupal_ucfirst($access_type['name']);
      $blocks[$key]['cache'] = BLOCK_CACHE_PER_USER | BLOCK_CACHE_PER_PAGE;
    }
    return $blocks;
  }
  elseif ($op == 'view') {
    if (!user_access('view heartbeat messages')) {
      return FALSE;
    }

    // Message streams for each access type
    if (variable_get('heartbeat_show_user_profile_messages_' . drupal_strtolower($delta), 1) && arg(0) == 'user' && is_numeric(arg(1))) {
      $context = heartbeat_stream_view($delta, FALSE, 0, FALSE, heartbeat_user_load(arg(1)));
    }
    else {

      // Check if the block is set for profile pages and if we are on a profile page.
      if (variable_get('heartbeat_show_node_author_messages_' . drupal_strtolower($delta), 1)) {
        if (arg(0) == 'node' && is_numeric(arg(1)) && function_exists('is_content_profile')) {
          $node = node_load(arg(1));
          if (is_content_profile($node->type)) {
            $context = heartbeat_stream_view($delta, FALSE, 0, FALSE, heartbeat_user_load($node->uid));
          }
        }
      }
      $context = heartbeat_stream_view($delta);
    }
    if (isset($context)) {
      $messages = $context
        ->execute();
      if (variable_get('heartbeat_debug', 0) && $context
        ->hasErrors()) {
        drupal_set_message(implode('<br />', $context
          ->getErrors()), 'warning');
      }
      $heartbeatAccess = $context
        ->getState();
      $block['subject'] = t($heartbeatAccess->stream->title);
      $link = '';
      if ($context
        ->hasMoreMessages(FALSE)) {
        $last_message = end($messages);
        $link = theme('heartbeat_stream_more_link', $heartbeatAccess, $last_message->timestamp, FALSE);
      }
      $block['content'] = theme('heartbeat_block', $messages, $heartbeatAccess, $link);
      return $block;
    }
  }
  elseif ($op == 'configure') {
    $realname = isset($access_types[$delta]['realname']) ? $access_types[$delta]['realname'] : $access_types[$delta]['class'];
    $form['items'] = array(
      '#type' => 'fieldset',
      '#title' => t('Automatically Determine Target User'),
      '#description' => t('By default heartbeat will show activity in relation to the currently logged in user.  Use these options to use a user determined by the context of the content being viewed.'),
    );
    $form['items']['user_profile'] = array(
      '#type' => 'checkbox',
      '#title' => t('Show activity for the displayed user on the user profile page'),
      '#description' => t('<strong>When viewing core user profile pages</strong>, the messages will be shown in relation to the user profile.'),
      '#default_value' => variable_get('heartbeat_show_user_profile_messages_' . drupal_strtolower($realname), 1),
    );
    $form['items']['node_author'] = array(
      '#type' => 'checkbox',
      '#title' => t('Show activity for author of the displayed profile node'),
      '#description' => t('<strong>When viewing nodes</strong>, the messages will be shown in relation to the node author of the profile node page.'),
      '#default_value' => variable_get('heartbeat_show_node_author_messages_' . drupal_strtolower($realname), 0),
    );
    return $form;
  }
  elseif ($op == 'save') {
    $realname = isset($access_types[$delta]['realname']) ? $access_types[$delta]['realname'] : $access_types[$delta]['class'];
    variable_set('heartbeat_show_user_profile_messages_' . drupal_strtolower($realname), $edit['user_profile']);
    variable_set('heartbeat_show_node_author_messages_' . drupal_strtolower($realname), $edit['node_author']);
  }
}