class.ilLMEditorGUI.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once ("./Modules/LearningModule/classes/class.ilLMObjectFactory.php");
include_once ("./Services/Utilities/classes/class.ilDOMUtil.php");
include_once ("./Services/COPage/classes/class.ilPageEditorGUI.php");
include_once ("./Services/Style/Content/classes/class.ilObjStyleSheet.php");
include_once ("./Modules/LearningModule/classes/class.ilEditClipboard.php");


class ilLMEditorGUI
{
        var $ilias;
        var $tpl;
        var $lng;
        var $objDefinition;
        var $ref_id;
        var $lm_obj;

        var $tree;
        var $obj_id;

        function __construct()
        {
                global $ilias, $tpl, $lng, $objDefinition, $ilCtrl,
                        $rbacsystem, $ilNavigationHistory;
                
                // init module (could be done in ilctrl)
                //define("ILIAS_MODULE", "content");
                $lng->loadLanguageModule("content");

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


                $this->ctrl = $ilCtrl;

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

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

                $this->lm_obj = $this->ilias->obj_factory->getInstanceByRefId($this->ref_id);
                $this->tree = new ilTree($this->lm_obj->getId());
                $this->tree->setTableNames('lm_tree','lm_data');
                $this->tree->setTreeTablePK("lm_id");

                if ($this->obj_id > 0 && ilLMObject::_lookupContObjID($this->obj_id) != $this->lm_obj->getId())
                {
                        throw new ilException("Object ID does not match learning module.");
                }
                if ($_REQUEST["active_node"] > 0 && ilLMObject::_lookupContObjID((int) $_REQUEST["active_node"]) != $this->lm_obj->getId())
                {
                        throw new ilException("Active node does not match learning module.");
                }

                $ilNavigationHistory->addItem($_GET["ref_id"],
                        "ilias.php?baseClass=ilLMEditorGUI&ref_id=".$_GET["ref_id"], "lm");

        }

        function executeCommand()
        {

                global $ilHelp;
                
                if ($_GET["to_page"]== 1)
                {
                        $this->ctrl->setParameterByClass("illmpageobjectgui", "obj_id", $_GET["obj_id"]);
                        $this->ctrl->redirectByClass(array("ilobjlearningmodulegui", "illmpageobjectgui"), "edit");
                }
                
                if ($cmd != "showTree")
                {
                        $this->showTree();
                }

                $next_class = $this->ctrl->getNextClass($this);
//echo "lmeditorgui:$next_class:".$this->ctrl->getCmdClass().":$cmd:<br>";

                if ($next_class == "" && ($cmd != "explorer")
                        && ($cmd != "showImageMap"))
                {
                        $next_class = "ilobjlearningmodulegui";
                }

                // show footer
                $show_footer = ($cmd == "explorer")
                        ? false
                        : true;
                        
// if ($this->lm_obj->getType()
                switch($next_class)
                {
                        case "ilobjlearningmodulegui":
                                include_once ("./Modules/LearningModule/classes/class.ilObjLearningModule.php");
                                include_once ("./Modules/LearningModule/classes/class.ilObjLearningModuleGUI.php");
                                $this->main_header($this->lm_obj->getType());
                                $lm_gui = new ilObjLearningModuleGUI("", $_GET["ref_id"], true, false);
                                //$ret =& $lm_gui->executeCommand();
                                $ret = $this->ctrl->forwardCommand($lm_gui);
                                if (strcmp($cmd, "explorer") != 0)
                                {
                                        // don't call the locator in the explorer frame
                                        // this prevents a lot of log errors
                                        // Helmut Schottmüller, 2006-07-21
                                        $this->displayLocator();
                                }
//echo "*".$this->tpl->get()."*";
                                // (horrible) workaround for preventing template engine
                                // from hiding paragraph text that is enclosed
                                // in curly brackets (e.g. "{a}", see ilPageObjectGUI::showPage())
//                              $this->tpl->fillTabs();
                                $output =  $this->tpl->get("DEFAULT", true, true, $show_footer,true);
                                $output = str_replace("&#123;", "{", $output);
                                $output = str_replace("&#125;", "}", $output);
                                header('Content-type: text/html; charset=UTF-8');
                                echo $output;
                                break;

                        default:
                                $ret = $this->$cmd();
                                break;
                }
        }

        function showTree()
        {
                global $tpl;

                include_once("./Modules/LearningModule/classes/class.ilLMEditorExplorerGUI.php");
                $exp = new ilLMEditorExplorerGUI($this, "showTree", $this->lm_obj);
                if (!$exp->handleCommand())
                {
                        $tpl->setLeftNavContent($exp->getHTML());
                }
        }
        
        function main_header($a_type)
        {
                global $lng;

                $this->tpl->getStandardTemplate();

                // content style
                $this->tpl->setCurrentBlock("ContentStyle");
                $this->tpl->setVariable("LOCATION_CONTENT_STYLESHEET",
                        ilObjStyleSheet::getContentStylePath($this->lm_obj->getStyleSheetId()));
                $this->tpl->parseCurrentBlock();

                // syntax style
                $this->tpl->setCurrentBlock("SyntaxStyle");
                $this->tpl->setVariable("LOCATION_SYNTAX_STYLESHEET",
                        ilObjStyleSheet::getSyntaxStylePath());
                $this->tpl->parseCurrentBlock();

        }


        function displayLocator()
        {
                global $lng;

                $this->tpl->addBlockFile("LOCATOR", "locator", "tpl.locator.html", "Services/Locator");

                $modifier = 1;

                $locations = $this->ctrl->getLocations();

                foreach ($locations as $key => $row)
                {
                        if ($key < count($locations)-$modifier)
                        {
                                $this->tpl->touchBlock("locator_separator");
                        }

                        if ($row["ref_id"]> 0 && $row["ref_id"] != ROOT_FOLDER_ID)
                        {
                                $oid = ilObject::_lookupObjId($row["ref_id"]);
                                $t = ilObject::_lookupType($oid);
                                $this->tpl->setCurrentBlock("locator_img");
                                $this->tpl->setVariable("IMG_SRC",
                                        ilUtil::getImagePath("icon_".$t.".svg"));
                                $this->tpl->setVariable("IMG_ALT",
                                        $lng->txt("obj_".$type));
                                $this->tpl->parseCurrentBlock();
                        }

                        if ($row["link"] != "")
                        {
                                $this->tpl->setCurrentBlock("locator_item");
                                $this->tpl->setVariable("ITEM", $row["title"]);
                                $this->tpl->setVariable("LINK_ITEM", $row["link"]);
                                if ($row["target"] != "")
                                {
                                        $this->tpl->setVariable("LINK_TARGET", ' target="'.$row["target"].'" ');
                                }
                                $this->tpl->parseCurrentBlock();
                        }
                        else
                        {
                                $this->tpl->setCurrentBlock("locator_item");
                                $this->tpl->setVariable("PREFIX", $row["title"]);
                                $this->tpl->parseCurrentBlock();
                        }
                }

                $this->tpl->setCurrentBlock("locator");
                $this->tpl->parseCurrentBlock();

        }

}
?>