class.ilMailAddressbookGUI.php

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<?php
 
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */
 
require_once './Services/User/classes/class.ilObjUser.php';
require_once "Services/Mail/classes/class.ilMailbox.php";
require_once "Services/Mail/classes/class.ilFormatMail.php";
require_once "Services/Contact/classes/class.ilAddressbook.php";
require_once "Services/Contact/classes/class.ilAddressbookTableGUI.php";
 
 
class ilMailAddressbookGUI
{
        private $tpl = null;
        public $ctrl = null;
        private $lng = null;
        private $tabs_gui = null;
        
        private $umail = null;
        private $abook = null;
 
        public function __construct()
        {
                global $tpl, $ilCtrl, $lng, $ilUser, $ilTabs;
 
                $this->tpl = $tpl;
                $this->ctrl = $ilCtrl;
                $this->lng = $lng;
                $this->tabs_gui =& $ilTabs;
                
                $this->ctrl->saveParameter($this, "mobj_id");
 
                $this->umail = new ilFormatMail($ilUser->getId());
                $this->abook = new ilAddressbook($ilUser->getId());
        }
 
        public function executeCommand()
        {
                global $ilUser;
                $this->showSubTabs();
 
                $forward_class = $this->ctrl->getNextClass($this);
                
                // delete all stored maildata
                $this->umail->savePostData($ilUser->getId(), array(), '', '', '', '', '', '', '', '');
                
                switch($forward_class)
                {
                        case 'ilmailformgui':
                                include_once 'Services/Mail/classes/class.ilMailFormGUI.php';
                                $this->ctrl->forwardCommand(new ilMailFormGUI());
                                break;
 
                        case 'ilmailsearchcoursesgui':
                                include_once 'Services/Contact/classes/class.ilMailSearchCoursesGUI.php';
 
                                $this->activateTab('mail_my_courses');
 
                                $this->ctrl->setReturn($this, "showAddressbook");
                                $this->ctrl->forwardCommand(new ilMailSearchCoursesGUI());
                                break;
 
                        case 'ilmailsearchgroupsgui':
                                include_once 'Services/Contact/classes/class.ilMailSearchGroupsGUI.php';
 
                                $this->activateTab('mail_my_groups');
 
                                $this->ctrl->setReturn($this, "showAddressbook");
                                $this->ctrl->forwardCommand(new ilMailSearchGroupsGUI());
                                break;
                        
                        case 'ilmailinglistsgui':
                                include_once 'Services/Contact/classes/class.ilMailingListsGUI.php';
 
                                $this->activateTab('mail_my_mailing_lists');
 
                                $this->ctrl->setReturn($this, "showAddressbook");
                                $this->ctrl->forwardCommand(new ilMailingListsGUI());
                                break;
 
                        default:
                                $this->activateTab('mail_my_entries');
 
                                if (!($cmd = $this->ctrl->getCmd()))
                                {
                                        $cmd = "showAddressbook";
                                }
 
                                $this->$cmd();
                                break;
                }
                return true;
        }
 
        function checkInput($addr_id = 0)
        {
                // check if user login and e-mail-address are empty 
                if (!strcmp(trim($_POST["login"]), "") &&
                        !strcmp(trim($_POST["email"]), ""))
                {
                        ilUtil::sendInfo($this->lng->txt("mail_enter_login_or_email_addr"));
                        $error = true;
                }
                else if ($_POST["login"] != "" && 
                                 !(ilObjUser::_lookupId(ilUtil::stripSlashes($_POST["login"]))))
                {
                        ilUtil::sendInfo($this->lng->txt("mail_enter_valid_login"));
                        $error = true;
                }
                else if ($_POST["email"] &&
                                 !(ilUtil::is_email($_POST["email"])))
                {
                        ilUtil::sendInfo($this->lng->txt("mail_enter_valid_email_addr"));
                        $error = true;
                }
 
                if (($this->existingEntry = $this->abook->checkEntryByLogin(ilUtil::stripSlashes($_POST["login"]))) > 0 &&
                        (($this->existingEntry != $addr_id && $addr_id > 0) || !$addr_id))
                {
                        ilUtil::sendInfo($this->lng->txt("mail_entry_exists"));
                        $error = true;
                }
 
                return $error ? false : true; 
        }
 
        public function saveEntry()
        {
                global $lng, $ilSetting;
 
                $autoupdate = (int)$_POST['auto_update'];
                if(!$ilSetting->get('cron_upd_adrbook', 0))
                {
                        $autoupdate = 0;
                }
                
                if($this->checkInput($_GET['addr_id']))
                {
                        if(!isset($_POST['login']) || !strlen($_POST['login']))
                        {
                                $autoupdate = 0;
                        }
 
                        if($_GET['addr_id'])
                        {
                                $this->abook->updateEntry(ilUtil::stripSlashes($_GET['addr_id']),
                                        ilUtil::stripSlashes($_POST['login']),
                                        ilUtil::stripSlashes($_POST['firstname']),
                                        ilUtil::stripSlashes($_POST['lastname']),
                                        ilUtil::stripSlashes($_POST['email']),
                                        $autoupdate
                                );
                                ilUtil::sendInfo($lng->txt('mail_entry_changed'));
                        }
                        else
                        {
                                $this->abook->addEntry(ilUtil::stripSlashes($_POST['login']),
                                        ilUtil::stripSlashes($_POST['firstname']),
                                        ilUtil::stripSlashes($_POST['lastname']),
                                        ilUtil::stripSlashes($_POST['email']),
                                        $autoupdate
                                );
                                ilUtil::sendInfo($lng->txt('mail_entry_added'));
                        }
                        
                        unset($_SESSION['addr_search']);
                        
                        $this->showAddressbook();
                }
                else
                {
                        $this->showAddressForm();
                }
                
                return true;
        }
        
        function confirmDelete()
        {
                global $lng;
                
                $addr_ids = ((int)$_GET['addr_id']) ? array((int)$_GET['addr_id']) : $_POST['addr_id'];
                
                if (!$addr_ids)
                {
                        ilUtil::sendInfo($this->lng->txt('mail_select_one_entry'));
                        $this->showAddressbook();                       
                        return true;
                }
                
                include_once("Services/Utilities/classes/class.ilConfirmationGUI.php");
                $c_gui = new ilConfirmationGUI();
                
                // set confirm/cancel commands
                $c_gui->setFormAction($this->ctrl->getFormAction($this, "performDelete"));
                $c_gui->setHeaderText($this->lng->txt("mail_sure_delete_entry"));
                $c_gui->setCancel($this->lng->txt("cancel"), "showAddressbook");
                $c_gui->setConfirm($this->lng->txt("confirm"), "performDelete");
 
                // add items to delete
                foreach($addr_ids as $addr_id)
                {
                        $entry = $this->abook->getEntry($addr_id);
                        $c_gui->addItem("addr_id[]", $addr_id, $entry["login"] ? $entry["login"] : $entry["email"]);
                }
                
                $this->tpl->setTitle($this->lng->txt("mail_addressbook"));
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.mail_addressbook.html", "Services/Contact");
                $this->tpl->setVariable('DELETE_CONFIRMATION', $c_gui->getHTML());
                
                $this->tpl->show();
                
                return true;
        }
        
        function performDelete()
        {
                global $lng;
                
                if (is_array($_POST['addr_id']))
                {                       
                        if ($this->abook->deleteEntries($_POST['addr_id']))
                        {
                                ilUtil::sendInfo($lng->txt("mail_deleted_entry"));
                        }
                        else
                        {
                                ilUtil::sendInfo($lng->txt("mail_delete_error"));
                        }
                }
                else
                {
                        ilUtil::sendInfo($lng->txt("mail_delete_error"));
                }
                
                $this->showAddressbook();
        
                return true;    
        }
 
        function cancel()
        {
                $this->showAddressbook();
        }
        
        public function showAddressForm()
        {
                global $lng, $ilSetting;
 
                $this->tpl->setTitle($this->lng->txt("mail_addressbook"));              
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.mail_addressbook_form.html", "Services/Contact");
                
                include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
                $form = new ilPropertyFormGUI();                
                $form->setTitle($_GET['addr_id'] ? $lng->txt("mail_edit_entry") : $lng->txt("mail_new_entry")); 
                
                if ($_GET['addr_id'])
                {
                        $this->ctrl->setParameter($this, 'addr_id', $_GET['addr_id']);
                }
                
                $entry = $this->abook->getEntry($_GET['addr_id']);
                $form->setFormAction($this->ctrl->getFormAction($this, "saveEntry"));
                
                $login = new ilTextInputGUI($this->lng->txt("username"), "login");
                $login->setValue(isset($_POST['login']) ? ilUtil::prepareFormOutput($_POST['login'], true) : ilUtil::prepareFormOutput($entry['login']));
                $login->setDataSource($this->ctrl->getLinkTarget($this, 'lookupUsersAsync', '', true));
                $form->addItem($login);
                
                if($ilSetting->get('cron_upd_adrbook', 0))
                {
                        $formItem = new ilCheckboxInputGUI('', 'auto_update');
                        $formItem->setChecked(isset($_POST['auto_update']) ? ilUtil::prepareFormOutput($_POST['auto_update'], true) : ilUtil::prepareFormOutput($entry['auto_update']));
                        $formItem->setInfo($this->lng->txt('cron_update_addressbook'));
 
                        $login->addSubItem($formItem);
                }
 
                $formItem = new ilTextInputGUI($this->lng->txt("firstname"), "firstname");
                $formItem->setValue(isset($_POST['firstname']) ? ilUtil::prepareFormOutput($_POST['firstname'], true) : ilUtil::prepareFormOutput($entry['firstname']));
                $form->addItem($formItem);
                
                $formItem = new ilTextInputGUI($this->lng->txt("lastname"), "lastname");
                $formItem->setValue(isset($_POST['lastname']) ? ilUtil::prepareFormOutput($_POST['lastname'], true) : ilUtil::prepareFormOutput($entry['lastname']));
                $form->addItem($formItem);
                
                $formItem = new ilTextInputGUI($this->lng->txt("email"), "email");
                $formItem->setValue(isset($_POST['email']) ? ilUtil::prepareFormOutput($_POST['email'], true) : ilUtil::prepareFormOutput($entry['email']));
                $formItem->setDataSource($this->ctrl->getLinkTarget($this, 'lookupEmailsAsync', '', true));
                $form->addItem($formItem);
                
                $form->addCommandButton('saveEntry',$this->lng->txt('save'));
                $form->addCommandButton('cancel',$this->lng->txt('cancel'));
                
                $this->tpl->setVariable('FORM', $form->getHTML());
                
                $this->tpl->show();
 
                return true;
        }
        
        public function mailToUsers()
        {
                global $ilUser;
 
                if ($_GET['addr_id'] && is_array($_GET['addr_id']))
                        $addr_ids = $_GET['addr_id'];
                else if ((int)$_GET['addr_id'])
                        $addr_ids = array((int)$_GET['addr_id']);
                else if ($_POST['addr_id'] && is_array($_POST['addr_id']))
                        $addr_ids = $_POST['addr_id'];
                else if ((int)$_POST['addr_id'])
                        $addr_ids = array((int)$_POST['addr_id']);
 
//              $addr_ids = ((int)$_GET['addr_id']) ? array((int)$_GET['addr_id']) : $_POST['addr_id'];
                
                if (!$addr_ids)
                {
                        ilUtil::sendInfo($this->lng->txt('mail_select_one_entry'));
                        $this->showAddressbook();                       
                        return true;
                }
                
                $mail_data = $this->umail->getSavedData();              
                if(!is_array($mail_data))
                {
                        $this->umail->savePostData($ilUser->getId(), array(), '', '', '', '', '', '', '', '');
                }       
                
                $members = array();     
                foreach ($addr_ids as $addr_id)
                {
                        $entry = $this->abook->getEntry($addr_id);
                        
                        if(strlen($entry['login']) && !$this->umail->doesRecipientStillExists($entry['login'], $mail_data['rcp_to'])) {
                                $members[] = $entry['login'];
                        } else if(strlen($entry['email']) && !$this->umail->doesRecipientStillExists($entry['email'], $mail_data['rcp_to'])) {
                                $members[] = $entry['email'];
                        }
                }
                
                if(count($members))
                {
                        $mail_data = $this->umail->appendSearchResult($members, 'to');
                        $this->umail->savePostData(
                                $mail_data['user_id'],
                                $mail_data['attachments'],
                                $mail_data['rcp_to'],
                                $mail_data['rcp_cc'],
                                $mail_data['rcp_bcc'],
                                $mail_data['m_type'],
                                $mail_data['m_email'],
                                $mail_data['m_subject'],
                                $mail_data['m_message'],
                                $mail_data['use_placeholders']
                        );
                }
 
                ilUtil::redirect("ilias.php?baseClass=ilMailGUI&type=search_res");
        }
        
        public function search()
        {
                $_SESSION['addr_search'] = $_POST['search_qry'];
                
                $this->showAddressbook();
                
                return true;
        }
        
        public function showAddressbook()
        {
                global $rbacsystem, $lng, $ilCtrl, $ilSetting;
 
                $this->tpl->setTitle($this->lng->txt("mail_addressbook"));              
                $this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.mail_addressbook.html", "Services/Contact");                
 
                // check if current user may send mails
                include_once "Services/Mail/classes/class.ilMail.php";
                $mail = new ilMail($_SESSION["AccountId"]);
                $mailing_allowed = $rbacsystem->checkAccess('internal_mail',$mail->getMailObjectReferenceId());
 
                $chatSettings = new ilSetting('chatroom');
                $chat_active = $chatSettings->get("chat_enabled", false);
                
                // check if current user may send smtp mails
                $smtp_mailing_allowed =  $rbacsystem->checkAccess("smtp_mail", $this->umail->getMailObjectReferenceId());
 
                $tbl = new ilAddressbookTableGUI($this, '', $mailing_allowed, $chat_active);
                $tbl->setSmtpMailingAllowed($smtp_mailing_allowed);
 
                $this->abook->setSearchQuery($tbl->getFilterQuery());
                $entries = $this->abook->getEntries();
 
                $tbl->setData($entries);
 
                $this->tpl->setVariable('TABLE', $tbl->getHTML());
 
                $this->tpl->show();
 
                unset($_SESSION['addr_search']);
 
                return true;
        }
 
 
        public function inviteToChat()
        {
                global $ilUser, $lng, $ilCtrl, $tpl;
                
                $lng->loadLanguageModule('chatroom');
 
                $addr_ids = ((int)$_GET['addr_id']) ? array((int)$_GET['addr_id']) : $_POST['addr_id'];
 
                if(!$addr_ids)
                {
                        ilUtil::sendFailure($lng->txt('select_one'), true);
                        $ilCtrl->redirect($this, 'showAddressbook');
                }
 
                $no_login = array();
 
                foreach($addr_ids as $id)
                {
                        $entry = $this->abook->getEntry($id);
                        if(!$entry['login'])
                        {
                                $no_login[] = $id;
                        }
                }
 
                if(count($no_login))
                {
                        $message = $lng->txt('chat_users_without_login') . ':<br>';
                        $list = '';
 
                        foreach($no_login as $e)
                        {
                                $list .= '<li>' . $this->abook->entryToString($e) . '</li>';
                        }
 
                        $message .= '<ul>';
                        $message .= $list;
                        $message .= '</ul>';
 
                        ilUtil::sendFailure($message, true);
                        $ilCtrl->redirect($this, 'showAddressbook');
                }
 
                include_once 'Modules/Chatroom/classes/class.ilChatroom.php';
 
                $ilChatroom = new ilChatroom();
                $chat_rooms = $ilChatroom->getAllRooms($ilUser->getId());
                $subrooms   = array();
 
                foreach($chat_rooms as $room_id => $title)
                {
                        $subrooms[] = $ilChatroom->getPrivateSubRooms($room_id, $ilUser->getId());
                }
 
                include_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
 
                $form = new ilPropertyFormGUI();
                $form->setTitle($lng->txt('mail_invite_users_to_chat'));
 
                $psel    = new ilSelectInputGUI($lng->txt('chat_select_room'), 'room_id');
                $options = array();
 
                foreach($chat_rooms as $room_id => $room)
                {
                        $ref_id = $room_id;
 
                        if($ilChatroom->isUserBanned($ilUser->getId()))
                        {
                                continue;
                        }
 
                        $options[$ref_id] = $room;
 
                        foreach($subrooms as $subroom)
                        {
                                foreach($subroom as $sub_id => $parent_id)
                                {
                                        if($parent_id == $ref_id)
                                        {
                                                $title                            = ilChatroom::lookupPrivateRoomTitle($sub_id);
                                                $options[$ref_id . ',' . $sub_id] = '+&nbsp;' . $title;
                                        }
                                }
                        }
                }
 
                $psel->setOptions($options);
                $form->addItem($psel);
                $phidden = new ilHiddenInputGUI('addr_ids');
                $phidden->setValue(implode(',', $addr_ids));
                $form->addItem($phidden);
                $form->addCommandButton('submitInvitation', $this->lng->txt('submit'));
                $form->addCommandButton('cancel', $this->lng->txt('cancel'));
                $form->setFormAction($ilCtrl->getFormAction($this));
 
                $tpl->setTitle($lng->txt('mail_invite_users_to_chat'));
                $tpl->setContent($form->getHtml());
                $tpl->show();
        }
 
        public function submitInvitation()
        {
                global $ilUser, $ilCtrl, $lng;
 
                if(!$_POST['addr_ids'])
                {
                        ilUtil::sendFailure($lng->txt('select_one'), true);
                        $ilCtrl->redirect($this, 'showAddressbook');
                }
 
                if(!$_POST['room_id'])
                {
                        ilUtil::sendFailure($lng->txt('select_one'));
                        $_POST['addr_id'] = explode(',', $_POST['addr_ids']);
                        $this->inviteToChat();
                        return;
                }
 
                // get selected users (comma seperated user id list)
                $ids = explode(',', $_POST['addr_ids']);
 
                // get selected chatroom from POST-String, format: "room_id , scope"
                $room_ids = explode(',', $_POST['room_id']);
                $room_id  = (int)$room_ids[0];
                $scope    = 0;
 
                if(count($room_ids) > 0)
                {
                        $scope = (int)$room_ids[1];
                }
 
                include_once 'Modules/Chatroom/classes/class.ilChatroom.php';
 
                $room                    = ilChatroom::byRoomId((int)$room_id, true);
                $no_access               = array();
                $no_login                = array();
                $valid_users             = array();
                $valid_user_to_login_map = array();
 
                foreach($ids as $id)
                {
                        $entry = $this->abook->getEntry($id);
 
                        if($entry['login'])
                        {
                                $user_id = $ilUser->getUserIdByLogin($entry['login']);
                                if(!$user_id)
                                {
                                        $no_login[] = $id;
                                        continue;
                                }
                                $ref_id  = $room->getRefIdByRoomId($room_id);
 
                                if
                                (
                                        !ilChatroom::checkPermissionsOfUser($user_id, 'read', $ref_id) ||
                                        $room->isUserBanned($user_id)
                                )
                                {
                                        $no_access[] = $id;
                                }
                                else
                                {
                                        $valid_users[]                     = $user_id;
                                        $valid_user_to_login_map[$user_id] = $entry['login'];
                                }
                        }
                        else
                        {
                                $no_login[] = $id;
                        }
                }
 
                if(count($no_access) || count($no_login))
                {
                        $message = '';
 
                        if(count($no_access))
                        {
                                $message .= $lng->txt('chat_users_without_permission') . ':<br>';
                                $list = '';
 
                                foreach($no_access as $e)
                                {
                                        $list .= '<li>' . $this->abook->entryToString($e) . '</li>';
                                }
 
                                $message .= '<ul>';
                                $message .= $list;
                                $message .= '</ul>';
                        }
 
                        if(count($no_login))
                        {
                                $message .= $lng->txt('chat_users_without_login') . ':<br>';
                                $list = '';
 
                                foreach($no_login as $e)
                                {
                                        $list .= '<li>' . $this->abook->entryToString($e) . '</li>';
                                }
 
                                $message .= '<ul>';
                                $message .= $list;
                                $message .= '</ul>';
                        }
 
                        ilUtil::sendFailure($message);
                        $_POST['addr_id'] = $ids;
                        $this->inviteToChat();
                        return;
                }
 
                $ref_id = $room->getRefIdByRoomId($room_id);
 
                $url = '';
                include_once 'Services/Link/classes/class.ilLink.php';
                if($scope)
                {
                        $url = ilLink::_getStaticLink($ref_id, 'chta', true, '_'.$scope);
                }
                else
                {
                        $url = ilLink::_getStaticLink($ref_id, 'chta');
                }
                $link = '<p><a target="chatframe" href="' . $url . '" title="' . $lng->txt('goto_invitation_chat') . '">' .$lng->txt('goto_invitation_chat') . '</a></p>';
 
                $userlist = array();
                foreach($valid_users as $id)
                {
                        $room->inviteUserToPrivateRoom($id, $scope);
                        $room->sendInvitationNotification(
                                null, $ilUser->getId(), $id, (int)$scope, $url
                        );
                        $userlist[] = '<li>'.$valid_user_to_login_map[$id].'</li>';
                }
 
                if($userlist)
                {
                        ilUtil::sendSuccess($lng->txt('chat_users_have_been_invited') . '<ul>'.implode('', $userlist).'</ul>' . $link, true);
                }
                $ilCtrl->redirect($this, 'showAddressbook');
        }
        
        public function lookupUsersAsync()
        {
            include_once 'Services/JSON/classes/class.ilJsonUtil.php';
            include_once 'Services/Contact/classes/class.ilMailAddressbook.php';
 
            $search = "%" . $_REQUEST["term"] . "%";
            $mailAdrBookObj = new ilMailAddressbook();
            $result = $mailAdrBookObj->getUsersAsync($search, $_REQUEST["term"]);
 
            echo ilJsonUtil::encode($result);
            exit;
        }
 
        public function lookupAddressbookAsync()
        {
                include_once 'Services/JSON/classes/class.ilJsonUtil.php';
                include_once 'Services/Contact/classes/class.ilMailAddressbook.php';
 
                $search = "%" . $_REQUEST["term"] . "%";
                $mailAdrBookObj = new ilMailAddressbook();
                $result = $mailAdrBookObj->getAddressbookAsync($search, $_REQUEST["term"]);
 
                echo ilJsonUtil::encode($result);
                exit;
        }
 
        public function lookupEmailsAsync()
        {
                include_once 'Services/JSON/classes/class.ilJsonUtil.php';
                include_once 'Services/Contact/classes/class.ilMailAddressbook.php';
 
                $search = "%" . $_REQUEST["term"] . "%";
                $mailAdrBookObj = new ilMailAddressbook();
                $result = $mailAdrBookObj->getEmailsAsync($search, $_REQUEST["term"]);
 
                echo ilJsonUtil::encode($result);
                exit;
        }
        
        function showSubTabs()
        {
                global $ilHelp;
                
                if($this->tabs_gui->hasTabs())
                {               
                        $this->tabs_gui->addSubTab('mail_my_entries', $this->lng->txt('mail_my_entries'), $this->ctrl->getLinkTarget($this));
                        $this->tabs_gui->addSubTab('mail_my_mailing_lists', $this->lng->txt('mail_my_mailing_lists'), $this->ctrl->getLinkTargetByClass('ilmailinglistsgui'));
                        $this->tabs_gui->addSubTab('mail_my_courses', $this->lng->txt('mail_my_courses'), $this->ctrl->getLinkTargetByClass('ilmailsearchcoursesgui'));
                        $this->tabs_gui->addSubTab('mail_my_groups', $this->lng->txt('mail_my_groups'), $this->ctrl->getLinkTargetByClass('ilmailsearchgroupsgui'));
                        $this->has_sub_tabs = true;                     
                }
                else
                {
                        $ilHelp->setScreenIdComponent("contacts");
                        
                        $this->tabs_gui->addTab('mail_my_entries', $this->lng->txt('mail_my_entries'), $this->ctrl->getLinkTarget($this));
                        $this->tabs_gui->addTab('mail_my_mailing_lists', $this->lng->txt('mail_my_mailing_lists'), $this->ctrl->getLinkTargetByClass('ilmailinglistsgui'));
                        $this->tabs_gui->addTab('mail_my_courses', $this->lng->txt('mail_my_courses'), $this->ctrl->getLinkTargetByClass('ilmailsearchcoursesgui'));
                        $this->tabs_gui->addTab('mail_my_groups', $this->lng->txt('mail_my_groups'), $this->ctrl->getLinkTargetByClass('ilmailsearchgroupsgui'));
                }
        }
        
        function activateTab($a_id)
        {
                if($this->has_sub_tabs)
                {               
                        $this->tabs_gui->activateSubTab($a_id);
                }
                else
                {
                        $this->tabs_gui->activateTab($a_id);
                }
        }
        
        public function setAddressbookFilter()
        {
                $table = new ilAddressbookTableGUI($this, 'showAddressbook');
                $table->resetOffset();
                $table->writeFilterToSession();
                $this->showAddressbook();
        }
 
        public function resetAddressbookFilter()
        {
                $table = new ilAddressbookTableGUI($this, 'showAddressbook');
                $table->resetOffset();
                $table->resetFilter();
                $this->showAddressbook();
        }
}
?>