class.ilObjTestListGUI.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "Services/Object/classes/class.ilObjectListGUI.php";
include_once "./Modules/Test/classes/inc.AssessmentConstants.php";

class ilObjTestListGUI extends ilObjectListGUI
{
    protected $command_link_params = array();
    
    public function __construct($a_context = self::CONTEXT_REPOSITORY)
    {
        parent::__construct($a_context);
        $this->info_screen_enabled = true;
    }

    public function init()
    {
        $this->static_link_enabled = true;
        $this->delete_enabled = true;
        $this->cut_enabled = true;
        $this->copy_enabled = true;
        $this->subscribe_enabled = true;
        $this->link_enabled = true;
        $this->type = "tst";
        $this->gui_class_name = "ilobjtestgui";

        // general commands array
        include_once "./Modules/Test/classes/class.ilObjTestAccess.php";
        $this->commands = ilObjTestAccess::_getCommands();
    }



    public function getCommandFrame($a_cmd)
    {
        switch ($a_cmd) {
            case "":
            case "infoScreen":
            case "eval_a":
            case "eval_stat":
                include_once "./Services/UICore/classes/class.ilFrameTargetInfo.php";
                $frame = ilFrameTargetInfo::_getFrame("MainContent");
                break;

            default:
        }

        return $frame;
    }



    public function getProperties()
    {
        global $DIC;
        $lng = $DIC['lng'];
        $ilUser = $DIC['ilUser'];

        $props = parent::getProperties();

        // we cannot use ilObjTestAccess::_isOffline() because of text messages
        $onlineaccess = ilObjTestAccess::_lookupOnlineTestAccess($this->obj_id, $ilUser->id);
        if ($onlineaccess !== true) {
            $props[] = array("alert" => true, "property" => $lng->txt("status"),
                "value" => $onlineaccess);
        }

        return $props;
    }


    public function getCommandLink($a_cmd)
    {
        global $DIC;
        $ilCtrl = $DIC['ilCtrl'];
        
        $a_cmd = explode('::', $a_cmd);
        
        if (count($a_cmd) == 2) {
            $cmd_link = $ilCtrl->getLinkTargetByClass(array('ilRepositoryGUI', 'ilObjTestGUI', $a_cmd[0]), $a_cmd[1]);
        } else {
            $cmd_link = $ilCtrl->getLinkTargetByClass('ilObjTestGUI', $a_cmd[0]);
        }
        
        $params = array_merge(array('ref_id' => $this->ref_id), $this->command_link_params);
        
        foreach ($params as $param => $value) {
            $cmd_link = ilUtil::appendUrlParameterString($cmd_link, "$param=$value", true);
        }

        return $cmd_link;
    }

    public function getCommands()
    {
        $commands = parent::getCommands();
        
        $commands = $this->handleUserResultsCommand($commands);
        
        return $commands;
    }
    
    private function handleUserResultsCommand($commands)
    {
        global $DIC;
        $ilUser = $DIC['ilUser'];
        
        if (!$this->isObjectiveTest()) {
            $commands = $this->removeUserResultsCommand($commands);
        } else {
            require_once 'Modules/Test/classes/class.ilObjTestAccess.php';
            
            if (!ilObjTestAccess::visibleUserResultExists($this->obj_id, $ilUser->getId())) {
                $commands = $this->removeUserResultsCommand($commands);
            }
        }
        
        return $commands;
    }
    
    private function isObjectiveTest()
    {
        require_once 'Modules/Course/classes/Objectives/class.ilLOSettings.php';
        return ilLOSettings::isObjectiveTest($this->ref_id);
    }

    private function removeUserResultsCommand($commands)
    {
        foreach ($commands as $key => $command) {
            if ($command['cmd'] == 'userResultsGateway') {
                unset($commands[$key]);
                break;
            }
        }
        
        return $commands;
    }
    
    public function createDefaultCommand($a_command)
    {
        return $a_command;
    }
    

    public function addCommandLinkParameter($a_param)
    {
        $this->command_link_params = $a_param;
    }

    // begin-patch lok
    protected function modifyTitleLink($a_default_link)
    {
        include_once './Modules/Course/classes/Objectives/class.ilLOSettings.php';
        $id = ilLOSettings::isObjectiveTest($this->ref_id);
        
        $cmd_link = $a_default_link;
        
        if ($id) {
            $ref_ids = ilObject::_getAllReferences($id);
            $ref_id = end($ref_ids);
            
            $this->ctrl->setParameterByClass("ilrepositorygui", 'ref_id', $ref_id);
            $this->ctrl->setParameterByClass("ilrepositorygui", 'tid', $this->ref_id);
            $cmd_link = $this->ctrl->getLinkTargetByClass("ilrepositorygui", 'redirectLocToTest');
            $this->ctrl->setParameterByClass("ilrepositorygui", "ref_id", $this->ref_id);
            $this->ctrl->clearParametersByClass('ilrepositorygui');
        }
        return parent::modifyTitleLink($cmd_link);
    }
    // end-patch lok
} // END class.ilObjTestListGUI