function update()
{
global $CFG;
global $CURMAN;
$old = new cluster($this->id);
$parent_obj = new cluster($this->parent);
$this->depth = empty($parent_obj->depth) ? 1 : $parent_obj->depth + 1;
$result = parent::update();
if ($this->parent != $old->parent) {
$cluster_context_level = context_level_base::get_custom_context_level('cluster', 'block_curr_admin');
$cluster_context_instance = get_context_instance($cluster_context_level, $this->id);
// find all subclusters and adjust their depth
$delta_depth = $this->depth - $old->depth;
$sql = "UPDATE {$CURMAN->db->prefix_table(CLSTTABLE)}\n SET depth = depth + {$delta_depth}\n WHERE id IN (SELECT instanceid\n FROM {$CURMAN->db->prefix_table('context')}\n WHERE contextlevel = {$cluster_context_level}\n AND path LIKE '{$cluster_context_instance->path}/%')";
execute_sql($sql, false);
// Blank out the depth and path for associated records and child records in context table
$sql = "UPDATE {$CFG->prefix}context\n SET depth=0, path=NULL\n WHERE id={$cluster_context_instance->id} OR path LIKE '{$cluster_context_instance->path}/%'";
execute_sql($sql, false);
// Rebuild any blanked out records in context table
build_context_path();
}
$plugins = cluster::get_plugins();
foreach ($plugins as $plugin) {
require_once CURMAN_DIRLOCATION . '/cluster/' . $plugin . '/lib.php';
call_user_func('cluster_' . $plugin . '_update', $this);
}
$result = $result && field_data::set_for_context_from_datarecord('cluster', $this);
events_trigger('crlm_cluster_updated', $this);
return $result;
}
