class.ilOrgUnitExplorerGUI.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
require_once("./Services/UIComponent/Explorer2/classes/class.ilTreeExplorerGUI.php");

class ilOrgUnitExplorerGUI extends ilTreeExplorerGUI {

        protected $stay_with_command = array( "", "render", "view", "infoScreen", "showStaff", "performPaste", "cut" );
        protected $tree = null;


        public function __construct($a_expl_id, $a_parent_obj, $a_parent_cmd, $a_tree) {
                parent::__construct($a_expl_id, $a_parent_obj, $a_parent_cmd, $a_tree);
                $this->setAjax(true);
                $this->setTypeWhiteList(array( "orgu" ));
                $this->tree->initLangCode();
        }


        public function getNodeContent($node) {
                global $lng;
                if ($node["title"] == "__OrgUnitAdministration") {
                        $node["title"] = $lng->txt("objs_orgu");
                }
                if ($node["child"] == $_GET["ref_id"]) {
                        return "<span class='ilExp2NodeContent ilHighlighted'>" . $node["title"] . "</span>";
                } else {
                        return $node["title"];
                }
        }


        public function getRootNode() {
                return $this->getTree()->getNodeData(ilObjOrgUnit::getRootOrgRefId());
        }


        public function getNodeIcon($a_node) {
                global $ilias;
                if ($ilias->getSetting('custom_icons')) {
                        $icons_cache = ilObjOrgUnit::getIconsCache();
                        $obj_id = ilObject::_lookupObjId($a_node["child"]);
                        if (isset($icons_cache[$obj_id])) {
                                return $icons_cache[$obj_id];
                        }
                }

                return ilObject::_getIcon($obj_id, "tiny", $a_node["type"]);
        }


        public function getNodeHref($node) {
                global $ilCtrl;
                if ($ilCtrl->getCmd() == "performPaste") {
                        $ilCtrl->setParameterByClass("ilObjOrgUnitGUI", "target_node", $node["child"]);
                }
                $ilCtrl->setParameterByClass("ilObjOrgUnitGUI", "ref_id", $node["child"]);

                return $this->getLinkTarget();
        }


        protected function getLinkTarget() {
                global $ilCtrl;

                if ($ilCtrl->getCmdClass() == "ilobjorgunitgui" AND in_array($ilCtrl->getCmd(), $this->stay_with_command)) {
                        return $ilCtrl->getLinkTargetByClass($ilCtrl->getCmdClass(), $ilCtrl->getCmd());
                } else {
                        return $ilCtrl->getLinkTargetByClass("ilobjorgunitgui", "view");
                }
        }

        public function getChildsOfNode($a_parent_node_id) {
                global $ilAccess;

                $wl = $this->getTypeWhiteList();
                if (is_array($wl) && count($wl) > 0) {
                        $childs = $this->tree->getChildsByTypeFilter($a_parent_node_id, $wl, $this->getOrderField());
                } else {
                        $childs = $this->tree->getChilds($a_parent_node_id, $this->getOrderField());
                }

                // apply black list filter
                $bl = $this->getTypeBlackList();
                if (is_array($bl) && count($bl) > 0) {
                        $bl_childs = array();
                        foreach ($childs as $k => $c) {
                                if (!in_array($c["type"], $bl)) {
                                        $bl_childs[$k] = $c;
                                }
                        }

                        return $bl_childs;
                }

                //Check Access
                foreach ($childs as $key => $child) {
                        if (!$ilAccess->checkAccess('visible', '', $child['ref_id'])) {
                                unset($childs[$key]);
                        }
                }

                return $childs;
        }


        public function sortChilds($a_childs, $a_parent_node_id) {
                usort($a_childs, array( __CLASS__, "sortbyTitle" ));

                return $a_childs;
        }


        public function sortbyTitle($a, $b) {
                return strcmp($a["title"], $b["title"]);
        }


        public function isNodeClickable($a_node) {
                global $ilAccess;

                if ($ilAccess->checkAccess('read', '', $a_node['ref_id'])) {
                        return true;
                }

                return false;
        }
}

?>