class.ilHTLMPresentationGUI.php

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<?php
/*
    +-----------------------------------------------------------------------------+
    | ILIAS open source                                                           |
    +-----------------------------------------------------------------------------+
    | Copyright (c) 1998-2005 ILIAS open source, University of Cologne            |
    |                                                                             |
    | This program is free software; you can redistribute it and/or               |
    | modify it under the terms of the GNU General Public License                 |
    | as published by the Free Software Foundation; either version 2              |
    | of the License, or (at your option) any later version.                      |
    |                                                                             |
    | This program is distributed in the hope that it will be useful,             |
    | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
    | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
    | GNU General Public License for more details.                                |
    |                                                                             |
    | You should have received a copy of the GNU General Public License           |
    | along with this program; if not, write to the Free Software                 |
    | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
    +-----------------------------------------------------------------------------+
*/


class ilHTLMPresentationGUI
{
    protected $ctrl;

    protected $access;

    protected $error;

    protected $nav_history;

    public $tpl;
    public $lng;
    public $objDefinition;
    public $ref_id;

    public function __construct()
    {
        global $DIC;

        $this->access = $DIC->access();
        $this->error = $DIC["ilErr"];
        $this->nav_history = $DIC["ilNavigationHistory"];
        $tpl = $DIC["tpl"];
        $lng = $DIC->language();
        $objDefinition = $DIC["objDefinition"];
        $ilCtrl = $DIC->ctrl();
        $ilAccess = $DIC->access();
        $ilErr = $DIC["ilErr"];
        
        $lng->loadLanguageModule("content");

        // check write permission
        if (!$ilAccess->checkAccess("read", "", $_GET["ref_id"])) {
            $ilErr->raiseError($lng->txt("permission_denied"), $ilErr->MESSAGE);
        }


        $this->ctrl = $ilCtrl;

        //$this->ctrl->saveParameter($this, array("ref_id", "obj_id"));
        $this->ctrl->saveParameter($this, array("ref_id"));

        // initiate variables
        $this->tpl = $tpl;
        $this->lng = $lng;
        $this->objDefinition = $objDefinition;
        $this->ref_id = $_GET["ref_id"];
    }

    public function executeCommand()
    {
        $tpl = $this->tpl;
        $ilCtrl = $this->ctrl;
        $ilAccess = $this->access;
        $ilNavigationHistory = $this->nav_history;

        // add entry to navigation history
        if ($ilAccess->checkAccess("read", "", $_GET["ref_id"])) {
            $ilCtrl->setParameterByClass("ilobjfilebasedlmgui", "ref_id", $_GET["ref_id"]);
            $ilNavigationHistory->addItem(
                $_GET["ref_id"],
                $ilCtrl->getLinkTargetByClass(array("ilrepositorygui", "ilobjfilebasedlmgui"), "infoScreen"),
                "htlm"
            );
        }

        $next_class = $this->ctrl->getNextClass($this);
        $cmd = $this->ctrl->getCmd("");

        switch ($next_class) {
            case "ilobjfilebasedlmgui":
                require_once("./Modules/HTMLLearningModule/classes/class.ilObjFileBasedLMGUI.php");
                $fblm_gui = new ilObjFileBasedLMGUI("", $_GET["ref_id"], true, false);
                $ilCtrl->forwardCommand($fblm_gui);
                $tpl->show();
                break;

            default:
                $this->ctrl->setCmdClass("ilobjfilebasedlmgui");
                $this->ctrl->setCmd("showLearningModule");
                return $this->executeCommand();
                break;
        }
    }
}