/**
  * Init form for condition table
  *
  * @access private
  * @param
  * 
  */
 private function initFormCondition($a_source_id, $a_condition_id = 0, $a_mode = 'add')
 {
     $trigger_obj_id = ilObject::_lookupObjId($a_source_id);
     $trigger_type = ilObject::_lookupType($trigger_obj_id);
     $condition = ilConditionHandler::_getCondition($a_condition_id);
     if (is_object($this->form)) {
         return true;
     }
     include_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
     $this->form = new ilPropertyFormGUI();
     $this->ctrl->setParameter($this, 'source_id', $a_source_id);
     $this->form->setFormAction($this->ctrl->getFormAction($this));
     $info_source = new ilNonEditableValueGUI($this->lng->txt("rbac_precondition_source"));
     $info_source->setValue(ilObject::_lookupTitle(ilObject::_lookupObjId($a_source_id)));
     $this->form->addItem($info_source);
     $info_target = new ilNonEditableValueGUI($this->lng->txt("rbac_precondition_target"));
     $info_target->setValue($this->getTargetTitle());
     $this->form->addItem($info_target);
     /* moved to list
     		$obl = new ilCheckboxInputGUI($this->lng->txt('precondition_obligatory'), 'obligatory');
     		$obl->setInfo($this->lng->txt('precondition_obligatory_info'));
     		$obl->setValue(1);
     		if($a_condition_id)
     		{
     			$obl->setChecked($condition['obligatory']);
     		}
     		else
     		{
     			$obl->setChecked(true);
     		}
     		$this->form->addItem($obl);
     	    */
     $obl = new ilHiddenInputGUI('obligatory');
     if ($a_condition_id) {
         $obl->setValue($condition['obligatory']);
     } else {
         $obl->setValue(1);
     }
     $this->form->addItem($obl);
     $sel = new ilSelectInputGUI($this->lng->txt('condition'), 'operator');
     include_once "./Services/AccessControl/classes/class.ilConditionHandler.php";
     $ch_obj = new ilConditionHandler();
     if ($a_mode == 'add') {
         $operators[0] = $this->lng->txt('select_one');
     }
     foreach ($ch_obj->getOperatorsByTargetType($trigger_type) as $operator) {
         $operators[$operator] = $this->lng->txt('condition_' . $operator);
     }
     $sel->setValue(isset($condition['operator']) ? $condition['operator'] : 0);
     $sel->setOptions($operators);
     $sel->setRequired(true);
     $this->form->addItem($sel);
     if (ilConditionHandler::_isReferenceHandlingOptional($this->getTargetType())) {
         $rad_opt = new ilRadioGroupInputGUI($this->lng->txt('cond_ref_handling'), 'ref_handling');
         $rad_opt->setValue(isset($condition['ref_handling']) ? $condition['ref_handling'] : ilConditionHandler::SHARED_CONDITIONS);
         $opt2 = new ilRadioOption($this->lng->txt('cond_ref_shared'), ilConditionHandler::SHARED_CONDITIONS);
         $rad_opt->addOption($opt2);
         $opt1 = new ilRadioOption($this->lng->txt('cond_ref_unique'), ilConditionHandler::UNIQUE_CONDITIONS);
         $rad_opt->addOption($opt1);
         $this->form->addItem($rad_opt);
     }
     // Additional settings for SCO's
     if ($trigger_type == 'sahs') {
         $this->lng->loadLanguageModule('trac');
         $cus = new ilCustomInputGUI($this->lng->txt('trac_sahs_relevant_items'), 'item_ids[]');
         $cus->setRequired(true);
         $tpl = new ilTemplate('tpl.condition_handler_sco_row.html', true, true, "Services/AccessControl");
         $counter = 0;
         include_once 'Services/Object/classes/class.ilObjectLP.php';
         $olp = ilObjectLP::getInstance($trigger_obj_id);
         $collection = $olp->getCollectionInstance();
         if ($collection) {
             foreach ($collection->getPossibleItems() as $item_id => $sahs_item) {
                 $tpl->setCurrentBlock("sco_row");
                 $tpl->setVariable('SCO_ID', $item_id);
                 $tpl->setVariable('SCO_TITLE', $sahs_item['title']);
                 $tpl->setVariable('CHECKED', $collection->isAssignedEntry($item_id) ? 'checked="checked"' : '');
                 $tpl->parseCurrentBlock();
                 $counter++;
             }
         }
         $tpl->setVariable('INFO_SEL', $this->lng->txt('trac_lp_determination_info_sco'));
         $cus->setHTML($tpl->get());
         $this->form->addItem($cus);
     }
     switch ($a_mode) {
         case 'edit':
             $this->form->setTitleIcon(ilUtil::getImagePath('icon_' . $this->getTargetType() . '.svg'));
             $this->form->setTitle($this->lng->txt('rbac_edit_condition'));
             $this->form->addCommandButton('updateCondition', $this->lng->txt('save'));
             $this->form->addCommandButton('listConditions', $this->lng->txt('cancel'));
             break;
         case 'add':
             $this->form->setTitleIcon(ilUtil::getImagePath('icon_' . $this->getTargetType() . '.svg'));
             $this->form->setTitle($this->lng->txt('add_condition'));
             $this->form->addCommandButton('assign', $this->lng->txt('save'));
             $this->form->addCommandButton('selector', $this->lng->txt('back'));
             break;
     }
     return true;
 }