/**
  * Constructor
  */
 function __construct($a_parent_obj, $a_parent_cmd, $a_cskill_id, $a_usage)
 {
     global $ilCtrl, $lng, $ilAccess, $lng;
     $id_parts = explode(":", $a_cskill_id);
     $this->skill_id = $id_parts[0];
     $this->tref_id = $id_parts[1];
     $data = array();
     foreach ($a_usage as $k => $v) {
         $data[] = array("type" => $k, "usages" => $v);
     }
     parent::__construct($a_parent_obj, $a_parent_cmd);
     $this->setData($data);
     $this->setTitle(ilSkillTreeNode::_lookupTitle($this->skill_id, $this->tref_id));
     include_once "./Services/Skill/classes/class.ilSkillTree.php";
     $tree = new ilSkillTree();
     $path = $tree->getSkillTreePathAsString($this->skill_id, $this->tref_id);
     $this->setDescription($path);
     $this->addColumn($this->lng->txt("skmg_type"), "", "50%");
     $this->addColumn($this->lng->txt("skmg_number"), "", "50%");
     $this->setFormAction($ilCtrl->getFormAction($a_parent_obj));
     $this->setRowTemplate("tpl.skill_usage_row.html", "Services/Skill");
     $this->setEnableNumInfo(false);
     //		$this->addMultiCommand("", $lng->txt(""));
     //		$this->addCommandButton("", $lng->txt(""));
 }