class.ilShopRepositoryExplorer.php

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<?php

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

require_once './Services/UIComponent/Explorer/classes/class.ilExplorer.php';

/*
*/
class ilShopRepositoryExplorer extends ilExplorer
{
        public $root_id;
        public $output;
        public $ctrl;

        public function __construct($a_target, $a_top_node = 0)
        {
                global $tree, $ilCtrl;

                $this->ctrl = $ilCtrl;

                $this->force_open_path = array();

                parent::ilExplorer($a_target);
                $this->tree = $tree;
                $this->root_id = $this->tree->readRootId();
                $this->order_column = "title";
                $this->frame_target = false;
                $this->setSessionExpandVariable("repexpand");
                #$this->setTitle($lng->txt("overview"));

# Es sollen nur container angezeigt werden, die entweder als container (z.B. Kurse) kaufbar sind oder kaufbare Objekte enthalten können!

/*              if ($ilSetting->get("repository_tree_pres") == "" ||
                        ($ilSetting->get("rep_tree_limit_grp_crs") && $a_top_node == 0))
                {*/
                        $this->addFilter("root");
                        $this->addFilter("cat");
                        $this->addFilter('catr');
                        $this->addFilter("grp");
                        $this->addFilter("icrs");
                        $this->addFilter("crs");
                        $this->addFilter('crsr');
                        $this->addFilter('rcrs');

#                       $this->addFilter("file");
#                       $this->addFilter("tst");
#                       $this->addFilter("exc");
                        $this->setFiltered(true);
                        $this->setFilterMode(IL_FM_POSITIVE);
/*              }
                else if ($ilSetting->get("repository_tree_pres") == "all_types")
                {
                        foreach ($objDefinition->getAllRBACObjects() as $rtype)
                        {
                                $this->addFilter($rtype);
                        }
                        $this->setFiltered(true);
                        $this->setFilterMode(IL_FM_POSITIVE);
                }*/
        }

        function setForceOpenPath($a_path)
        {
                $this->force_open_path = $a_path;
        }

        function buildLinkTarget($a_node_id, $a_type)
        {
                global $ilCtrl;
                switch($a_type)
                {

                        case "cat":
                                return "ilias.php?baseClass=ilshopcontroller&ref_id=".$a_node_id;

                        case "catr":
                                return "ilias.php?cmd=redirect&baseClass=ilshopcontroller&ref_id=".$a_node_id;

                        case "grp":
                                return "ilias.php?baseClass=ilshopcontroller&ref_id=".$a_node_id;

                        case "crs":
                                return "ilias.php?baseClass=ilshopcontroller&ref_id=".$a_node_id;

                        case "crsr":
                                return "ilias.php?cmd=redirect&baseClass=ilshopcontroller&ref_id=".$a_node_id;

                        case "icrs":
                                $ilCtrl->setParameterByClass("ilobjilinccoursegui", "ref_id", $a_node_id);
                                $link = $ilCtrl->getLinkTargetByClass(array("ilrepositorygui", "ilobjilinccoursegui"), "");
                                $ilCtrl->setParameterByClass("ilobjilinccoursegui", "ref_id", $_GET["ref_id"]);
                                return $link;

                        case 'rcrs':
                                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $a_node_id);
                                $link = $ilCtrl->getLinkTargetByClass("ilrepositorygui", "infoScreen");
                                $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);
                                return $link;

                        default:
                                include_once('./Services/Link/classes/class.ilLink.php');
                                return ilLink::_getStaticLink($a_node_id, $a_type, true);

                }
        }

        function getImage($a_name, $a_type = "", $a_obj_id = "")
        {
                if ($a_type != "")
                {
                        return ilObject::_getIcon($a_obj_id, "tiny", $a_type);
                }

                return parent::getImage($a_name);
        }

        function isClickable($a_type, $a_ref_id,$a_obj_id = 0)
        {
                global $rbacsystem,$ilDB,$ilUser,$ilAccess;

                if(!ilConditionHandler::_checkAllConditionsOfTarget($a_ref_id,$a_obj_id))
                {
                        return false;
                }

                switch ($a_type)
                {
                        case "crs":
                                return $ilAccess->checkAccess("read", "", $a_ref_id);   

                        // visible groups can allways be clicked; group processing decides
                        // what happens next
                        case "grp":
                                return true;

                        case 'tst':
                                if(!$rbacsystem->checkAccess("read", $a_ref_id))
                                {
                                        return false;
                                }

                                $query = sprintf("SELECT * FROM tst_tests WHERE obj_fi=%s",$a_obj_id);
                                $res = $ilDB->query($query);
                                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                                {
                                        return (bool) $row->complete;
                                }
                                return false;

                        case 'svy':
                                if(!$rbacsystem->checkAccess("read", $a_ref_id))
                                {
                                        return false;
                                }

                                $query = sprintf("SELECT * FROM svy_svy WHERE obj_fi=%s",$a_obj_id);
                                $res = $ilDB->query($query);
                                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                                {
                                        return (bool) $row->complete;
                                }
                                return false;

                        // media pools can only be edited
                        case "mep":
                                if ($rbacsystem->checkAccess("read", $a_ref_id))
                                {
                                        return true;
                                }
                                else
                                {
                                        return false;
                                }
                                break;

                        case 'crsr':
                        case 'catr':
                                include_once('./Services/ContainerReference/classes/class.ilContainerReferenceAccess.php');
                                return ilContainerReferenceAccess::_isAccessible($a_ref_id);


                        // all other types are only clickable, if read permission is given
                        default:
                                if ($rbacsystem->checkAccess("read", $a_ref_id))
                                {
                                        // check if lm is online
                                        if ($a_type == "lm")
                                        {
                                                include_once("./Modules/LearningModule/classes/class.ilObjLearningModule.php");
                                                $lm_obj =& new ilObjLearningModule($a_ref_id);
                                                if((!$lm_obj->getOnline()) && (!$rbacsystem->checkAccess('write',$a_ref_id)))
                                                {
                                                        return false;
                                                }
                                        }
                                        // check if fblm is online
                                        if ($a_type == "htlm")
                                        {
                                                include_once("./Modules/HTMLLearningModule/classes/class.ilObjFileBasedLM.php");
                                                $lm_obj =& new ilObjFileBasedLM($a_ref_id);
                                                if((!$lm_obj->getOnline()) && (!$rbacsystem->checkAccess('write',$a_ref_id)))
                                                {
                                                        return false;
                                                }
                                        }
                                        // check if fblm is online
                                        if ($a_type == "sahs")
                                        {
                                                include_once("./Modules/ScormAicc/classes/class.ilObjSAHSLearningModule.php");
                                                $lm_obj =& new ilObjSAHSLearningModule($a_ref_id);
                                                if((!$lm_obj->getOnline()) && (!$rbacsystem->checkAccess('write',$a_ref_id)))
                                                {
                                                        return false;
                                                }
                                        }
                                        // check if glossary is online
                                        if ($a_type == "glo")
                                        {
                                                $obj_id = ilObject::_lookupObjectId($a_ref_id);
                                                include_once("./Modules/Glossary/classes/class.ilObjGlossary.php");
                                                if((!ilObjGlossary::_lookupOnline($obj_id)) &&
                                                        (!$rbacsystem->checkAccess('write',$a_ref_id)))
                                                {
                                                        return false;
                                                }
                                        }

                                        return true;
                                }
                                else
                                {
                                        return false;
                                }
                                break;
                }
        }

        function showChilds($a_ref_id,$a_obj_id = 0)
        {
                global $rbacsystem;

                if ($a_ref_id == 0)
                {
                        return true;
                }
                if(!ilConditionHandler::_checkAllConditionsOfTarget($a_ref_id,$a_obj_id))
                {
                        return false;
                }
                if ($rbacsystem->checkAccess("read", $a_ref_id))
                {
                        return true;
                }
                else
                {
                        return false;
                }
        }

        function isVisible($a_ref_id,$a_type)
        {
                global $ilAccess,$tree;

                if(!$ilAccess->checkAccess('visible', '', $a_ref_id))
                {
                        return false;
                }
                return true;
        }

        function formatHeader(&$tpl, $a_obj_id,$a_option)
        {
                global $lng, $tree;

                // custom icons
                /*
                if ($this->ilias->getSetting("custom_icons"))
                {
                        require_once("./Services/Container/classes/class.ilContainer.php");
                        if (($path = ilContainer::_lookupIconPath($a_obj_id, "tiny")) == "")
                        {
                                $path = ilUtil::getImagePath("icon_root_s.png");
                        }
                }*/

                $path = ilObject::_getIcon($a_obj_id, "tiny", "root");

                $tpl->setCurrentBlock("icon");
                $nd = $tree->getNodeData(ROOT_FOLDER_ID);
                $title = $nd["title"];

                if ($title == "ILIAS")
                {
                        $title = $lng->txt("repository");
                }

                $tpl->setVariable("ICON_IMAGE", $path);
                $tpl->setVariable("TXT_ALT_IMG", $lng->txt("icon")." ".$title);
                $tpl->parseCurrentBlock();

                $tpl->setCurrentBlock("link");
                $tpl->setVariable("TITLE", $title);
                $tpl->setVariable("LINK_TARGET", "ilias.php?baseClass=ilshopcontroller&ref_id=1");

                #$tpl->setVariable("TARGET", " target=\"_self\"");
                $tpl->parseCurrentBlock();

                $tpl->setCurrentBlock("element");
                $tpl->parseCurrentBlock();
        }

        public function sortNodes($a_nodes,$a_parent_obj_id)
        {
                global $objDefinition;

                if ($a_parent_obj_id > 0)
                {
                        $parent_type = ilObject::_lookupType($a_parent_obj_id);
                }
                else
                {
                        $parent_type  = "dummy";
                        $this->type_grps["dummy"] = array("root" => "dummy");
                }

                if (empty($this->type_grps[$parent_type]))
                {
                        $this->type_grps[$parent_type] =
                                $objDefinition->getGroupedRepositoryObjectTypes($parent_type);
                }
                $group = array();

                foreach ($a_nodes as $node)
                {
                        $g = $objDefinition->getGroupOfObj($node["type"]);
                        if ($g == "")
                        {
                                $g = $node["type"];
                        }
                        $group[$g][] = $node;
                }

                $nodes = array();
                foreach ($this->type_grps[$parent_type] as $t => $g)
                {
                        if (is_array($group[$t]))
                        {
                                // do we have to sort this group??
                                include_once("./Services/Container/classes/class.ilContainer.php");
                                include_once("./Services/Container/classes/class.ilContainerSorting.php");
                                $sort = ilContainerSorting::_getInstance($a_parent_obj_id);
                                $group = $sort->sortItems($group);

                                foreach ($group[$t] as $k => $item)
                                {
                                        $nodes[] = $item;
                                }
                        }
                }

                return $nodes;
                //return parent::sortNodes($a_nodes,$a_parent_obj_id);
        }

        function forceExpanded($a_node)
        {
                if (in_array($a_node, $this->force_open_path))
                {
                        return true;
                }
                return false;
        }


} 
?>