class.ilCourseParticipantsGroupsTableGUI.php

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

include_once("./Services/Table/classes/class.ilTable2GUI.php");

class ilCourseParticipantsGroupsTableGUI extends ilTable2GUI
{
        protected $filter;            // array
        protected $groups;                // array
        protected $groups_rights; // array
        protected $participants;  // array
        
        function __construct($a_parent_obj, $a_parent_cmd, $ref_id)
        {
                global $ilCtrl, $ilObjDataCache,$lng;
                
                $lng->loadLanguageModule('grp');

                $this->ref_id = $ref_id;
                $this->obj_id = $ilObjDataCache->lookupObjId($this->ref_id);

                $this->setId("tblcrsprtgrp");

                parent::__construct($a_parent_obj, $a_parent_cmd);
                // $this->setTitle($lng->txt("tr_summary"));
                $this->setLimit(9999);
                // $this->setShowTemplates(true);
                
                $this->setTitle($this->lng->txt('crs_grp_assignments'));

                $this->addColumn('','',0);
                $this->addColumn($this->lng->txt("name"), "name",'70%');
                $this->addColumn($this->lng->txt("crs_groups_nr"), "groups_number");
                $this->addColumn($this->lng->txt("groups"));

                // $this->setExternalSorting(true);
                $this->setEnableHeader(true);
                $this->setFormAction($ilCtrl->getFormAction($a_parent_obj, $a_parent_cmd));
                $this->setRowTemplate("tpl.crs_members_grp_row.html", "Modules/Course");
                $this->setSelectAllCheckbox("usrs");

                $this->initGroups();

                if($this->groups)
                {
                        $this->addMultiItemSelectionButton("grp_id", $this->groups, "add", $this->lng->txt("crs_add_to_group"));
                        $this->initFilter();
                }
                
            $this->getItems();
        }

        function initGroups()
    {
                global $tree, $ilAccess;
                
                $parent_node = $tree->getNodeData($this->ref_id);
                $groups = $tree->getSubTree($parent_node, true, "grp");
                if(is_array($groups) && sizeof($groups))
                {
                        include_once('./Modules/Group/classes/class.ilGroupParticipants.php');
                        $this->participants = $this->groups = $this->groups_rights = array();
                        foreach($groups as $idx => $group_data)
                        {
                                // check for group in group
                                if($group_data["parent"] != $this->ref_id  && $tree->checkForParentType($group_data["ref_id"], "grp",true))
                                {
                                        unset($groups[$idx]);
                                }
                                else
                                {
                                        $this->groups[$group_data["ref_id"]] = $group_data["title"];
                                        $this->groups_rights[$group_data["ref_id"]]["write"] = (bool)$ilAccess->checkAccess("write", "", $group_data["ref_id"]);
                                        $this->groups_rights[$group_data["ref_id"]]["edit_permission"] = (bool)$ilAccess->checkAccess("edit_permission", "", $group_data["ref_id"]);
                                        $gobj = ilGroupParticipants::_getInstanceByObjId($group_data["obj_id"]);
                                        $this->participants[$group_data["ref_id"]]["members"] = $gobj->getMembers();
                                        $this->participants[$group_data["ref_id"]]["admins"] = $gobj->getAdmins();
                                }
                        }
                }
        }

        function initFilter()
        {
                global $lng;

                $item = $this->addFilterItemByMetaType("name", ilTable2GUI::FILTER_TEXT);
                $this->filter["name"] = $item->getValue();

                if($this->groups)
                {
                        $item = $this->addFilterItemByMetaType("group", ilTable2GUI::FILTER_SELECT);
                        $item->setOptions(array("" => $lng->txt("all"))+$this->groups);
                        $this->filter["group"] = $item->getValue();
                }
        }

        function getItems()
        {
        if($this->groups)
                {
                        include_once('./Modules/Course/classes/class.ilCourseParticipants.php');
                        $part = ilCourseParticipants::_getInstanceByObjId($this->obj_id);
                        $members = $part->getMembers();
                        if(count($members))
                        {
                                include_once './Services/User/classes/class.ilUserUtil.php';
                $usr_data = array();
                                foreach(ilUserUtil::getNamePresentation($members, false, false, "", true) as $usr_id => $name)
                                {
                                        $user_groups = array("members"=>array(), "admins"=>array());
                                        $user_groups_number = 0;
                                        foreach(array_keys($this->participants) as $group_id)
                                        {
                                                if(in_array($usr_id, $this->participants[$group_id]["members"]))
                                                {
                                                        $user_groups["members"][$group_id] = $this->groups[$group_id];
                                                        $user_groups_number++;
                                                }
                                                else if(in_array($usr_id, $this->participants[$group_id]["admins"]))
                                                {
                                                        $user_groups["admins"][$group_id] = $this->groups[$group_id];
                                                        $user_groups_number++;
                                                }
                                        }

                                        if((!$this->filter["name"] || stristr($name, $this->filter["name"])) &&
                                                (!$this->filter["group"] || array_key_exists($this->filter["group"], $user_groups["members"]) ||
                                                array_key_exists($this->filter["group"], $user_groups["admins"])))
                                        {
                                                $usr_data[] = array("usr_id" => $usr_id,
                                                        "name" => $name,
                                                        "groups" => $user_groups,
                                                        "groups_number" => $user_groups_number
                                                        );
                                        }
                                }

                                // ???
                                $usr_data = array_slice($usr_data, (int)$this->getOffset(), (int)$this->getLimit());

                                $this->setMaxCount(sizeof($members));
                                $this->setData($usr_data);
                        }

                        return $titles;
                }
        }

        protected function fillRow($a_set)
        {
                global $lng, $ilCtrl;

                $this->tpl->setVariable("VAL_ID", $a_set["usr_id"]);

                $this->tpl->setVariable("TXT_USER", $a_set["name"]);
                $this->tpl->setVariable("VAL_GROUP_NUMBER", $a_set["groups_number"]);

                if(sizeof($a_set["groups"]))
                {
                        
                        foreach($a_set["groups"] as $type => $groups)
                        {
                                foreach($groups as $grp_id => $title)
                                {
                                        if(($type == "admins" && $this->groups_rights[$grp_id]["edit_permission"]) ||
                                                ($type == "members" && $this->groups_rights[$grp_id]["write"]))
                                        {
                                                $this->tpl->setCurrentBlock("groups_remove");

                                                $this->tpl->setVariable("TXT_GROUP_REMOVE", $lng->txt("grp_unsubscribe"));

                                                $ilCtrl->setParameter($this->parent_obj, "usr_id", $a_set["usr_id"]);
                                                $ilCtrl->setParameter($this->parent_obj, "grp_id", $grp_id);
                                                $this->tpl->setVariable("URL_REMOVE", $ilCtrl->getLinkTarget($this->parent_obj, "confirmremove"));
                                                $ilCtrl->setParameter($this->parent_obj, "grp_id", "");
                                                $ilCtrl->setParameter($this->parent_obj, "usr_id", "");

                                                $this->tpl->parseCurrentBlock();
                                        }

                                        $this->tpl->setCurrentBlock("groups");
                    $this->tpl->setVariable("TXT_GROUP_TITLE", $title);
                                        $this->tpl->parseCurrentBlock();
                                }
                        }
                }
        }
}
?>