function advanced_help_get_topic_hierarchy in Advanced Help 5

Same name and namespace in other branches

1. 6 advanced_help.module \advanced_help_get_topic_hierarchy()
2. 7 advanced_help.module \advanced_help_get_topic_hierarchy()

Build a hierarchy for a single module's topics.

2 calls to advanced_help_get_topic_hierarchy()

advanced_help_index_page in ./advanced_help.module

Page callback to view the advanced help topic index.

advanced_help_view_topic in ./advanced_help.module

Load and render a help topic.

File

./advanced_help.module, line 229

advanced_help.module

Code

function advanced_help_get_topic_hierarchy(&$topics) {
  foreach ($topics as $module => $module_topics) {
    foreach ($module_topics as $topic => $info) {
      $parent_module = $module;

      // We have a blank topic that we don't want parented to
      // itself.
      if (!$topic) {
        continue;
      }
      if (empty($info['parent'])) {
        $parent = '';
      }
      else {
        if (strpos($info['parent'], '%')) {
          list($parent, $parent_module) = explode($info['parent'], '%');
          if (empty($topics[$parent_module][$parent])) {

            // If it doesn't exist, top level.
            $parent = '';
          }
        }
        else {
          $parent = $info['parent'];
          if (empty($module_topics[$parent])) {

            // If it doesn't exist, top level.
            $parent = '';
          }
        }
      }
      if (!isset($topics[$parent_module][$parent]['children'])) {
        $topics[$parent_module][$parent]['children'] = array();
      }
      $topics[$parent_module][$parent]['children'][] = array(
        $module,
        $topic,
      );
      $topics[$module][$topic]['_parent'] = array(
        $parent_module,
        $parent,
      );
    }
  }
}