class.ilMailFolderGUI.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.ilMail.php';
require_once 'Services/Utilities/classes/class.ilConfirmationGUI.php';
include_once 'Services/Mail/classes/class.ilMailFolderTableGUI.php';

class ilMailFolderGUI
{
    private $current_select_cmd;
    private $current_selected_cmd;

    private $tpl;

    private $ctrl;

    private $lng;

    private $toolbar;

    private $tabs;

    private $user;

    public $umail;

    public $mbox;

    private $errorDelete = false;

    public function __construct()
    {
        global $DIC;

        $this->tpl      = $DIC->ui()->mainTemplate();
        $this->ctrl     = $DIC->ctrl();
        $this->lng      = $DIC->language();
        $this->toolbar  = $DIC->toolbar();
        $this->user     = $DIC->user();
        $this->tabs     = $DIC->tabs();

        $this->umail = new ilMail($this->user->getId());
        $this->mbox  = new ilMailBox($this->user->getId());

        if (isset($_POST['mobj_id']) && (int) $_POST['mobj_id']) {
            $_GET['mobj_id'] = $_POST['mobj_id'];
        }

        if (!(int) $_GET['mobj_id']) {
            $_GET['mobj_id'] = $this->mbox->getInboxFolder();
        }
        $_GET['mobj_id'] = (int) $_GET['mobj_id'];

        $this->ctrl->saveParameter($this, 'mobj_id');
        $this->ctrl->setParameter($this, 'mobj_id', $_GET['mobj_id']);
    }

    public function executeCommand()
    {
        if ($_POST["select_cmd"]) {
            $_GET["cmd"] = 'editFolder';

            // lower menubar execute-button
            $this->current_select_cmd = $_POST['select_cmd'];
            $this->current_selected_cmd = $_POST['selected_cmd'];
        } elseif ($_POST["select_cmd2"]) {
            // upper menubar execute-button
            $_GET["cmd"] = 'editFolder';
            $this->current_select_cmd = $_POST['select_cmd2'];
            $this->current_selected_cmd = $_POST['selected_cmd2'];
        }

        /* Fix: User views mail and wants to delete it...
           mjansen: The mail system needs a revision :-)
        */
        if ($_GET['selected_cmd'] == "deleteMails" && $_GET["mail_id"]) {
            $_GET["cmd"] = "editFolder";
            $this->current_selected_cmd = "deleteMails";
            $_POST["mail_id"] = array($_GET["mail_id"]);
        }
        
        /* Fix: User views mail and wants to move it...
           mjansen: The mail system needs a revision :-)
        */
        $cmd = $this->ctrl->getCmd();
        if ($cmd == 'changeFolder' &&
           is_numeric($_POST['selected_cmd']) &&
           $_GET["mail_id"]) {
            $this->current_selected_cmd = (int) $_POST['selected_cmd'];
        }

        $forward_class = $this->ctrl->getNextClass($this);
        switch ($forward_class) {
            case 'ilcontactgui':
                require_once 'Services/Contact/classes/class.ilContactGUI.php';
                $this->ctrl->forwardCommand(new ilContactGUI());
                break;

            case 'ilmailoptionsgui':
                $this->tpl->setTitle($this->lng->txt('mail'));
                include_once 'Services/Mail/classes/class.ilMailOptionsGUI.php';

                $this->ctrl->forwardCommand(new ilMailOptionsGUI());
                break;

            case 'ilpublicuserprofilegui':
                include_once("Services/User/classes/class.ilPublicUserProfileGUI.php");
                $this->tpl->setTitle($this->lng->txt("mail"));
                $this->ctrl->saveParameter($this, "mail_id");
                $profile_gui = new ilPublicUserProfileGUI($_GET["user"]);
                $profile_gui->setBackUrl($this->ctrl->getLinkTarget($this, "showMail"));
                $ret = $this->ctrl->forwardCommand($profile_gui);
                if ($ret != "") {
                    $this->tpl->setContent($ret);
                }
                $this->tpl->show();
                break;

            default:
                if (!($cmd = $this->ctrl->getCmd())) {
                    $cmd = "showFolder";
                }
                $this->$cmd();
                break;
        }
        return true;
    }

    public function cancelEmptyTrash()
    {
        $this->showFolder();
    }
    
    public function performEmptyTrash()
    {
        $this->umail->deleteMailsOfFolder($_GET['mobj_id']);
        ilUtil::sendInfo($this->lng->txt('mail_deleted'));
        $this->showFolder();
    }
    
    public function askForEmptyTrash()
    {
        if ($this->umail->countMailsOfFolder((int) $_GET['mobj_id'])) {
            $this->askForConfirmation = true;
        }
        
        $this->showFolder();
        
        return true;
    }
    
    public function showUser()
    {
        $this->ctrl->setParameter($this, "mail_id", $_GET["mail_id"]);

        $this->tpl->setTitle($this->lng->txt("mail"));

        $this->tpl->setVariable("TBL_TITLE", $this->lng->txt("profile_of") . " " .
            ilObjUser::_lookupLogin($_GET["user"]));
        $this->tpl->setVariable("TBL_TITLE_IMG", ilUtil::getImagePath("icon_usr.svg"));
        $this->tpl->setVariable("TBL_TITLE_IMG_ALT", $this->lng->txt("public_profile"));
        
        include_once './Services/User/classes/class.ilPublicUserProfileGUI.php';
        $profile_gui = new ilPublicUserProfileGUI($_GET["user"]);
        $profile_gui->setBackUrl($this->ctrl->getLinkTarget($this, "showMail"));
        $this->tpl->setContent($this->ctrl->getHTML($profile_gui));
        $this->tpl->show();

        return true;
    }

    public function addSubfolderCommands($check_uf = false)
    {
        if ('tree' != ilSession::get(ilMailGUI::VIEWMODE_SESSION_KEY)) {
            $this->toolbar->addSeparator();
        }

        $this->toolbar->addButton($this->lng->txt('mail_add_subfolder'), $this->ctrl->getLinkTarget($this, 'addSubFolder'));

        if ($check_uf) {
            $this->toolbar->addButton($this->lng->txt('rename'), $this->ctrl->getLinkTarget($this, 'renameSubFolder'));
            $this->toolbar->addButton($this->lng->txt('delete'), $this->ctrl->getLinkTarget($this, 'deleteSubFolder'));
        }

        return true;
    }
    public function showFolder($a_show_confirmation = false)
    {
        $this->tpl->addBlockFile('ADM_CONTENT', 'adm_content', 'tpl.mail.html', 'Services/Mail');
        $this->tpl->setTitle($this->lng->txt('mail'));

        $sentFolderId = $this->mbox->getSentFolder();
        $draftsFolderId = $this->mbox->getDraftsFolder();

        $isTrashFolder = $_GET['mobj_id'] == $this->mbox->getTrashFolder();
        $isSentFolder = $_GET['mobj_id'] == $sentFolderId;
        $isDraftFolder = $_GET['mobj_id'] == $draftsFolderId;

        if ($this->current_selected_cmd == 'deleteMails' &&
            !$this->errorDelete &&
            $this->current_selected_cmd != 'confirm' &&
            $isTrashFolder) {
            if (isset($_REQUEST['mail_id']) && !is_array($_REQUEST['mail_id'])) {
                $_REQUEST['mail_id'] = array($_REQUEST['mail_id']);
            }
            $confirmation = new ilConfirmationGUI();
            $confirmation->setHeaderText($this->lng->txt('mail_sure_delete'));
            $this->ctrl->setParameter($this, 'mail_id', implode(',', (array) $_REQUEST['mail_id']));
            $confirmation->setFormAction($this->ctrl->getFormAction($this, 'confirmDeleteMails'));
            $confirmation->setConfirm($this->lng->txt('confirm'), 'confirmDeleteMails');
            $confirmation->setCancel($this->lng->txt('cancel'), 'cancelDeleteMails');
            $this->tpl->setVariable('CONFIRMATION', $confirmation->getHTML());
            $a_show_confirmation = true;
        }

        $folders = $this->mbox->getSubFolders();
        $mtree = new ilTree($this->user->getId());
        $mtree->setTableNames('mail_tree', 'mail_obj_data');

        $check_uf = false;
        $check_local = false;
        
        if ('tree' == ilSession::get(ilMailGUI::VIEWMODE_SESSION_KEY)) {
            $folder_d = $mtree->getNodeData($_GET['mobj_id']);
            if ($folder_d['m_type'] == 'user_folder') {
                $check_uf = true;
            } elseif ($folder_d['m_type'] == 'local') {
                $check_local = true;
            }
        }

        $mailtable = new ilMailFolderTableGUI($this, (int) $_GET['mobj_id'], 'showFolder');
        $mailtable->isSentFolder($isSentFolder)
            ->isDraftFolder($isDraftFolder)
            ->isTrashFolder($isTrashFolder)
            ->initFilter();
        $mailtable->setSelectedItems($_POST['mail_id']);

        try {
            $mailtable->prepareHTML();
        } catch (Exception $e) {
            ilUtil::sendFailure(
                $this->lng->txt($e->getMessage()) != '-' . $e->getMessage() . '-' ?
                $this->lng->txt($e->getMessage()) :
                $e->getMessage()
            );
        }

        $table_html = $mailtable->getHtml();

        $folder_options = array();
        if ('tree' != ilSession::get(ilMailGUI::VIEWMODE_SESSION_KEY)) {
            foreach ($folders as $folder) {
                $folder_d = $mtree->getNodeData($folder['obj_id']);

                if ($folder['obj_id'] == $_GET['mobj_id']) {
                    if ($folder['type'] == 'user_folder') {
                        $check_uf = true;
                    } elseif ($folder['type'] == 'local') {
                        $check_local = true;
                        $check_uf = false;
                    }
                }

                if ($folder['type'] == 'user_folder') {
                    $pre = '';
                    for ($i = 2; $i < $folder_d['depth'] - 1; $i++) {
                        $pre .= '&nbsp;';
                    }
                    
                    if ($folder_d['depth'] > 1) {
                        $pre .= '+';
                    }
                    
                    $folder_options[$folder['obj_id']] = $pre . ' ' . $folder['title'];
                } else {
                    $folder_options[$folder['obj_id']] = $this->lng->txt('mail_' . $folder['title']);
                }
            }
        }

        if ($a_show_confirmation == false && $this->askForConfirmation == false) {
            if ('tree' != ilSession::get(ilMailGUI::VIEWMODE_SESSION_KEY)) {
                $this->toolbar->addText($this->lng->txt('mail_change_to_folder'));
                include_once './Services/Form/classes/class.ilSelectInputGUI.php';
                $si = new ilSelectInputGUI("", "mobj_id");
                $si->setOptions($folder_options);
                $si->setValue($_GET['mobj_id']);
                $this->toolbar->addInputItem($si);

                $this->toolbar->addFormButton($this->lng->txt('change'), 'showFolder');
                $this->toolbar->setFormAction($this->ctrl->getFormAction($this, 'showFolder'));
            }
            if ($check_local == true || $check_uf == true) {
                $this->addSubfolderCommands($check_uf);
            }
        }
        // END SHOW_FOLDER
        
        if ($mailtable->isTrashFolder() &&
           $mailtable->getNumerOfMails() > 0 &&
           $this->askForConfirmation) {
            $confirmation = new ilConfirmationGUI();
            $confirmation->setHeaderText($this->lng->txt('mail_empty_trash_confirmation'));
            $confirmation->setFormAction($this->ctrl->getFormAction($this, 'performEmptyTrash'));
            $confirmation->setConfirm($this->lng->txt('confirm'), 'performEmptyTrash');
            $confirmation->setCancel($this->lng->txt('cancel'), 'cancelEmptyTrash');
            $this->tpl->setVariable('CONFIRMATION', $confirmation->getHTML());
        }

        $this->tpl->setVariable('MAIL_TABLE', $table_html);
        $this->tpl->show();
    }
    
    public function deleteSubfolder($a_show_confirm = true)
    {
        if ($a_show_confirm) {
            include_once './Services/Utilities/classes/class.ilConfirmationGUI.php';
            $oConfirmationGUI = new ilConfirmationGUI();

            // set confirm/cancel commands
            $oConfirmationGUI->setFormAction($this->ctrl->getFormAction($this, "showFolder"));
            $oConfirmationGUI->setHeaderText($this->lng->txt("mail_sure_delete_folder"));
            $oConfirmationGUI->setCancel($this->lng->txt("cancel"), "showFolder");
            $oConfirmationGUI->setConfirm($this->lng->txt("confirm"), "performDeleteSubfolder");
            $this->tpl->setVariable('CONFIRMATION', $oConfirmationGUI->getHTML());

            return $this->showFolder(true);
        } else {
            return $this->showFolder(false);
        }
    }

    public function performDeleteSubFolder()
    {
        $new_parent = $this->mbox->getParentFolderId((int) $_GET['mobj_id']);
        if ($this->mbox->deleteFolder((int) $_GET['mobj_id'])) {
            ilUtil::sendInfo($this->lng->txt('mail_folder_deleted'), true);
            $this->ctrl->setParameterByClass('ilMailGUI', 'mobj_id', (int) $new_parent);
            $this->ctrl->redirectByClass('ilMailGUI');
        } else {
            ilUtil::sendFailure($this->lng->txt('mail_error_delete'));
            $this->showFolder();
            return;
        }
    }
    
    public function performAddSubFolder()
    {
        if (isset($_POST["subfolder_title"]) && 'tree' == ilSession::get(ilMailGUI::VIEWMODE_SESSION_KEY)) {
            $_SESSION["subfolder_title"] = ilUtil::stripSlashes($_POST['subfolder_title']);
        }

        if (empty($_POST['subfolder_title'])) {
            ilUtil::sendInfo($this->lng->txt("mail_insert_folder_name"));
            return $this->addSubFolder();
        } elseif ($mobj_id = $this->mbox->addFolder($_GET["mobj_id"], ilUtil::stripSlashes($_POST["subfolder_title"]))) {
            unset($_SESSION["subfolder_title"]);
            ilUtil::sendInfo($this->lng->txt("mail_folder_created"), true);
            
            $this->ctrl->setParameterByClass("ilMailGUI", 'mobj_id', $mobj_id);
            $this->ctrl->redirectByClass("ilMailGUI");
        } else {
            ilUtil::sendFailure($this->lng->txt("mail_folder_exists"));
            $this->addSubFolder();
            return;
        }
    }

    public function addSubFolder()
    {
        include_once 'Services/Form/classes/class.ilPropertyFormGUI.php';

        $this->tpl->addBlockFile('ADM_CONTENT', 'adm_content', 'tpl.mail.html', 'Services/Mail');
        $this->tpl->setTitle($this->lng->txt('mail'));

        $oForm = new ilPropertyFormGUI();
        $oForm->setFormAction($this->ctrl->getFormAction($this, 'performAddSubFolder'));
        $oForm->setTitle($this->lng->txt('mail_add_folder'));

        //title
        $oTitle = new ilTextInputGUI();
        $oTitle->setTitle($this->lng->txt('title'));
        $oTitle->setPostVar('subfolder_title');
        $oForm->addItem($oTitle);

        $oForm->addCommandButton('performAddSubFolder', $this->lng->txt('save'));
        $oForm->addCommandButton('showFolder', $this->lng->txt('cancel'));

        $this->tpl->setVariable('FORM', $oForm->getHTML());
        $this->tpl->show();

        return true;
    }

    public function renameSubFolder()
    {
        include_once 'Services/Form/classes/class.ilPropertyFormGUI.php';

        $this->tpl->addBlockFile('ADM_CONTENT', 'adm_content', 'tpl.mail.html', 'Services/Mail');
        $this->tpl->setTitle($this->lng->txt('mail'));

        $oForm = new ilPropertyFormGUI();
        $oForm->setFormAction($this->ctrl->getFormAction($this, 'performRenameSubFolder'));
        $oForm->setTitle($this->lng->txt('mail_rename_folder'));

        //title
        $oTitle = new ilTextInputGUI();
        $oTitle->setTitle($this->lng->txt('title'));
        $tmp_data = $this->mbox->getFolderData($_GET["mobj_id"]);
        $oTitle->setValue($tmp_data["title"]);
        $oTitle->setPostVar('subfolder_title');
        $oForm->addItem($oTitle);

        $oForm->addCommandButton('performRenameSubFolder', $this->lng->txt('save'));
        $oForm->addCommandButton('showFolder', $this->lng->txt('cancel'));
        $this->tpl->setVariable('FORM', $oForm->getHTML());
        $this->tpl->show();

        return true;
    }

    public function performRenameSubFolder()
    {
        if (isset($_POST["subfolder_title"]) && 'tree' == ilSession::get(ilMailGUI::VIEWMODE_SESSION_KEY)) {
            $_SESSION["subfolder_title"] = $_POST['subfolder_title'];
        }

        $tmp_data = $this->mbox->getFolderData($_GET["mobj_id"]);
        if ($tmp_data["title"] != $_POST["subfolder_title"]) {
            if ($_POST["subfolder_title"] == "") {
                ilUtil::sendInfo($this->lng->txt("mail_insert_folder_name"));
                return $this->renameSubFolder();
            } else {
                if ($this->mbox->renameFolder($_GET["mobj_id"], ilUtil::stripSlashes($_POST["subfolder_title"]))) {
                    ilUtil::sendInfo($this->lng->txt("mail_folder_name_changed"), true);
                    unset($_SESSION["subfolder_title"]);
                    $this->ctrl->redirectByClass("ilMailGUI");
                } else {
                    ilUtil::sendFailure($this->lng->txt("mail_folder_exists"));
                    return $this->renameSubFolder();
                }
            }
        }
        return $this->showFolder();
    }

    public function changeFolder()
    {
        switch ($this->current_selected_cmd) {
            default:
                if (!(int) $_GET["mail_id"] || !(int) $this->current_selected_cmd) {
                    ilUtil::sendInfo($this->lng->txt("mail_move_error"));
                    return $this->showMail();
                }

                if ($this->umail->moveMailsToFolder(array($_GET["mail_id"]), $this->current_selected_cmd)) {
                    ilUtil::sendInfo($this->lng->txt("mail_moved"), true);
                    $this->ctrl->redirectByClass("ilMailGUI");
                } else {
                    ilUtil::sendInfo($this->lng->txt("mail_move_error"));
                }
                break;
        }
        
        $this->showMail();
        
        return true;
    }

    public function editFolder()
    {
        switch ($this->current_selected_cmd) {
            case 'markMailsRead':
                if (is_array($_POST["mail_id"])) {
                    $this->umail->markRead($_POST["mail_id"]);
                } else {
                    ilUtil::sendInfo($this->lng->txt("mail_select_one"));
                }
                break;
            case 'markMailsUnread':
                if (is_array($_POST["mail_id"])) {
                    $this->umail->markUnread($_POST["mail_id"]);
                } else {
                    ilUtil::sendInfo($this->lng->txt("mail_select_one"));
                }
                break;
    
            case 'deleteMails':
                // IF MAILBOX IS TRASH ASK TO CONFIRM
                if ($this->mbox->getTrashFolder() == $_GET["mobj_id"]) {
                    if (!is_array($_POST["mail_id"])) {
                        ilUtil::sendInfo($this->lng->txt("mail_select_one"));
                        $this->errorDelete = true;
                    }
                } // END IF MAILBOX IS TRASH FOLDER
                else {
                    // MOVE MAILS TO TRASH
                    if (!is_array($_POST["mail_id"])) {
                        ilUtil::sendInfo($this->lng->txt("mail_select_one"));
                    } elseif ($this->umail->moveMailsToFolder($_POST["mail_id"], $this->mbox->getTrashFolder())) {
                        $_GET["offset"] = 0;
                        ilUtil::sendInfo($this->lng->txt("mail_moved_to_trash"));
                    } else {
                        ilUtil::sendInfo($this->lng->txt("mail_move_error"));
                    }
                }
                break;
    
            case 'add':
                $this->ctrl->setParameterByClass("ilmailoptionsgui", "cmd", "add");
                $this->ctrl->redirectByClass("ilmailoptionsgui");
    
                // no break
            case 'moveMails':
            default:
                if (!is_array($_POST["mail_id"])) {
                    ilUtil::sendInfo($this->lng->txt("mail_select_one"));
                } elseif ($this->umail->moveMailsToFolder($_POST["mail_id"], $this->current_selected_cmd)) {
                    ilUtil::sendInfo($this->lng->txt("mail_moved"));
                } else {
                    ilUtil::sendInfo($this->lng->txt("mail_move_error"));
                }
                break;
        }
        
        $this->showFolder();
    }

    public function confirmDeleteMails()
    {
        if ($this->mbox->getTrashFolder() == $_GET['mobj_id']) {
            $_POST['mail_id'] = $mail_ids = explode(',', $_GET['mail_id']);
            if (!is_array($mail_ids)) {
                ilUtil::sendInfo($this->lng->txt('mail_select_one'));
            } elseif ($this->umail->deleteMails($mail_ids)) {
                $_GET['offset'] = 0;
                ilUtil::sendInfo($this->lng->txt('mail_deleted'));
            } else {
                ilUtil::sendInfo($this->lng->txt('mail_delete_error'));
            }
        }

        $this->showFolder();
    }

    public function cancelDeleteMails()
    {
        $this->ctrl->redirect($this);
    }

    public function showMail()
    {
        if ($_SESSION['mail_id']) {
            $_GET['mail_id']     = $_SESSION['mail_id'];
            $_SESSION['mail_id'] = '';
        }

        $this->tabs->clearTargets();
        $this->tabs->setBackTarget($this->lng->txt('back_to_folder'), $this->ctrl->getFormAction($this, 'showFolder'));

        $this->umail->markRead(array((int) $_GET['mail_id']));
        $mailData = $this->umail->getMail((int) $_GET['mail_id']);

        $this->tpl->setTitle($this->lng->txt('mail_mails_of'));

        require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';

        $form = new ilPropertyFormGUI();
        $form->setPreventDoubleSubmission(false);
        $form->setTableWidth('100%');
        $this->ctrl->setParameter($this, 'mail_id', (int) $_GET['mail_id']);
        $form->setFormAction($this->ctrl->getFormAction($this, 'showMail'));
        $this->ctrl->clearParameters($this);
        $form->setTitle($this->lng->txt('mail_mails_of'));

        if ('tree' == ilSession::get(ilMailGUI::VIEWMODE_SESSION_KEY)) {
            $this->tpl->setVariable('FORM_TARGET', ilFrameTargetInfo::_getFrame('MainContent'));
        }

        include_once 'Services/Accessibility/classes/class.ilAccessKeyGUI.php';

        $sender = ilObjectFactory::getInstanceByObjId($mailData['sender_id'], false);

        if ($sender && $sender->getId() && $sender->getId() != ANONYMOUS_USER_ID) {
            $this->ctrl->setParameterByClass('ilmailformgui', 'mail_id', (int) $_GET['mail_id']);
            $this->ctrl->setParameterByClass('ilmailformgui', 'type', 'reply');
            $this->ctrl->clearParametersByClass('iliasmailformgui');
            $this->toolbar->addButton($this->lng->txt('reply'), $this->ctrl->getLinkTargetByClass('ilmailformgui'), '', ilAccessKey::REPLY);
            $this->ctrl->clearParameters($this);
        }

        $this->ctrl->setParameterByClass('ilmailformgui', 'mail_id', (int) $_GET['mail_id']);
        $this->ctrl->setParameterByClass('ilmailformgui', 'type', 'forward');
        $this->ctrl->clearParametersByClass('iliasmailformgui');
        $this->toolbar->addButton($this->lng->txt('forward'), $this->ctrl->getLinkTargetByClass('ilmailformgui'), '', ilAccessKey::FORWARD_MAIL);
        $this->ctrl->clearParameters($this);

        $this->ctrl->setParameter($this, 'mail_id', (int) $_GET['mail_id']);
        $this->toolbar->addButton($this->lng->txt('print'), $this->ctrl->getLinkTarget($this, 'printMail'), '_blank');
        $this->ctrl->clearParameters($this);

        $this->ctrl->setParameter($this, 'mail_id', (int) $_GET['mail_id']);
        $this->ctrl->setParameter($this, 'selected_cmd', 'deleteMails');
        $this->toolbar->addButton($this->lng->txt('delete'), $this->ctrl->getLinkTarget($this), '', ilAccessKey::DELETE);
        $this->ctrl->clearParameters($this);

        if ($sender && $sender->getId() && $sender->getId() != ANONYMOUS_USER_ID) {
            $linked_fullname    = $sender->getPublicName();
            $picture            = ilUtil::img(
                $sender->getPersonalPicturePath('xsmall'),
                $sender->getPublicName(),
                '',
                '',
                0,
                '',
                'ilMailAvatar'
            );
            $add_to_addb_button = '';

            if (in_array(ilObjUser::_lookupPref($sender->getId(), 'public_profile'), array('y', 'g'))) {
                $this->ctrl->setParameter($this, 'mail_id', (int) $_GET['mail_id']);
                $this->ctrl->setParameter($this, 'user', $sender->getId());
                $linked_fullname = '<br /><a href="' . $this->ctrl->getLinkTarget($this, 'showUser') . '" title="' . $linked_fullname . '">' . $linked_fullname . '</a>';
                $this->ctrl->clearParameters($this);
            }

            $from = new ilCustomInputGUI($this->lng->txt('from'));
            $from->setHtml($picture . ' ' . $linked_fullname . $add_to_addb_button);
            $form->addItem($from);
        } elseif (!$sender || !$sender->getId()) {
            $from = new ilCustomInputGUI($this->lng->txt('from'));
            $from->setHtml($mailData['import_name'] . ' (' . $this->lng->txt('user_deleted') . ')');
            $form->addItem($from);
        } else {
            $from = new ilCustomInputGUI($this->lng->txt('from') . ':');
            $from->setHtml(
                ilUtil::img(ilUtil::getImagePath('HeaderIconAvatar.svg'), ilMail::_getIliasMailerName(), '', '', 0, '', 'ilMailAvatar') .
                '<br />' . ilMail::_getIliasMailerName()
            );
            $form->addItem($from);
        }

        $to = new ilCustomInputGUI($this->lng->txt('mail_to'));
        $to->setHtml(ilUtil::htmlencodePlainString($this->umail->formatNamesForOutput($mailData['rcp_to']), false));
        $form->addItem($to);

        if ($mailData['rcp_cc']) {
            $cc = new ilCustomInputGUI($this->lng->txt('cc'));
            $cc->setHtml(ilUtil::htmlencodePlainString($this->umail->formatNamesForOutput($mailData['rcp_cc']), false));
            $form->addItem($cc);
        }

        if ($mailData['rcp_bcc']) {
            $bcc = new ilCustomInputGUI($this->lng->txt('bc'));
            $bcc->setHtml(ilUtil::htmlencodePlainString($this->umail->formatNamesForOutput($mailData['rcp_bcc']), false));
            $form->addItem($bcc);
        }

        $subject = new ilCustomInputGUI($this->lng->txt('subject'));
        $subject->setHtml(ilUtil::htmlencodePlainString($mailData['m_subject'], true));
        $form->addItem($subject);

        $date = new ilCustomInputGUI($this->lng->txt('date'));
        $date->setHtml(ilDatePresentation::formatDate(new ilDateTime($mailData['send_time'], IL_CAL_DATETIME)));
        $form->addItem($date);

        $message = new ilCustomInputGUI($this->lng->txt('message'));
        $message->setHtml(ilUtil::htmlencodePlainString($mailData['m_message'], true));
        $form->addItem($message);

        if ($mailData['attachments']) {
            $att = new ilCustomInputGUI($this->lng->txt('attachments'));

            $radiog = new ilRadioGroupInputGUI('', 'filename');

            foreach ($mailData['attachments'] as $file) {
                $radiog->addOption(new ilRadioOption($file, md5($file)));
            }

            $att->setHtml($radiog->render());
            $form->addCommandButton('deliverFile', $this->lng->txt('download'));
            $form->addItem($att);
        }

        $isTrashFolder = false;
        if ($this->mbox->getTrashFolder() == $_GET['mobj_id']) {
            $isTrashFolder = true;
        }

        $current_folder_data = $this->mbox->getFolderData((int) $_GET['mobj_id']);

        $selectOptions = array();
        $actions       = $this->mbox->getActions((int) $_GET["mobj_id"]);
        foreach ($actions as $key => $action) {
            if ($key == 'moveMails') {
                $folders = $this->mbox->getSubFolders();
                foreach ($folders as $folder) {
                    if (
                        ($folder["type"] != 'trash' || !$isTrashFolder) &&
                        $folder['obj_id'] != $current_folder_data['obj_id']
                    ) {
                        $optionText = '';
                        if ($folder['type'] != 'user_folder') {
                            $optionText = $action . ' ' . $this->lng->txt('mail_' . $folder['title']) . ($folder['type'] == 'trash' ? ' (' . $this->lng->txt('delete') . ')' : '');
                        } else {
                            $optionText = $action . ' ' . $folder['title'];
                        }

                        $selectOptions[$folder['obj_id']] = $optionText;
                    }
                }
            }
        }

        if ($current_folder_data['type'] == 'user_folder') {
            $txt_folder = $current_folder_data['title'];
        } else {
            $txt_folder = $this->lng->txt('mail_' . $current_folder_data['title']);
        }
        $this->toolbar->addSeparator();
        $this->toolbar->addText(sprintf($this->lng->txt('current_folder'), $txt_folder));

        if (is_array($selectOptions) && count($selectOptions)) {
            include_once 'Services/Form/classes/class.ilSelectInputGUI.php';
            $actions = new ilSelectInputGUI('', 'selected_cmd');
            $actions->setOptions($selectOptions);
            $this->ctrl->setParameter($this, 'mail_id', (int) $_GET['mail_id']);
            $this->toolbar->setFormAction($this->ctrl->getFormAction($this, 'showMail'));
            $this->toolbar->addInputItem($actions);
            $this->toolbar->addFormButton($this->lng->txt('submit'), 'changeFolder');
        }

        // Navigation
        $prevMail = $this->umail->getPreviousMail((int) $_GET['mail_id']);
        $nextMail = $this->umail->getNextMail((int) $_GET['mail_id']);
        if (is_array($prevMail) || is_array($nextMail)) {
            $this->toolbar->addSeparator();

            if ($prevMail['mail_id']) {
                $this->ctrl->setParameter($this, 'mail_id', $prevMail['mail_id']);
                $this->toolbar->addButton($this->lng->txt('previous'), $this->ctrl->getLinkTarget($this, 'showMail'));
                $this->ctrl->clearParameters($this);
            }

            if ($nextMail['mail_id']) {
                $this->ctrl->setParameter($this, 'mail_id', $nextMail['mail_id']);
                $this->toolbar->addButton($this->lng->txt('next'), $this->ctrl->getLinkTarget($this, 'showMail'));
                $this->ctrl->clearParameters($this);
            }
        }

        $this->tpl->setContent($form->getHTML());
        $this->tpl->show();
    }

    public function printMail()
    {
        $tplprint = new ilTemplate('tpl.mail_print.html', true, true, 'Services/Mail');
        $tplprint->setVariable('JSPATH', $this->tpl->tplPath);

        $mailData = $this->umail->getMail((int) $_GET['mail_id']);

        $sender = ilObjectFactory::getInstanceByObjId($mailData['sender_id'], false);

        $tplprint->setVariable('TXT_FROM', $this->lng->txt('from'));
        if ($sender && $sender->getId() && $sender->getId() != ANONYMOUS_USER_ID) {
            $tplprint->setVariable('FROM', $sender->getPublicName());
        } elseif (!$sender || !$sender->getId()) {
            $tplprint->setVariable('FROM', $mailData['import_name'] . ' (' . $this->lng->txt('user_deleted') . ')');
        } else {
            $tplprint->setVariable('FROM', ilMail::_getIliasMailerName());
        }

        $tplprint->setVariable('TXT_TO', $this->lng->txt('mail_to'));
        $tplprint->setVariable('TO', $mailData['rcp_to']);

        if ($mailData['rcp_cc']) {
            $tplprint->setCurrentBlock('cc');
            $tplprint->setVariable('TXT_CC', $this->lng->txt('cc'));
            $tplprint->setVariable('CC', $mailData['rcp_cc']);
            $tplprint->parseCurrentBlock();
        }

        if ($mailData['rcp_bcc']) {
            $tplprint->setCurrentBlock('bcc');
            $tplprint->setVariable('TXT_BCC', $this->lng->txt('bc'));
            $tplprint->setVariable('BCC', $mailData['rcp_bcc']);
            $tplprint->parseCurrentBlock();
        }

        $tplprint->setVariable('TXT_SUBJECT', $this->lng->txt('subject'));
        $tplprint->setVariable('SUBJECT', htmlspecialchars($mailData['m_subject']));

        $tplprint->setVariable('TXT_DATE', $this->lng->txt('date'));
        $tplprint->setVariable('DATE', ilDatePresentation::formatDate(new ilDateTime($mailData['send_time'], IL_CAL_DATETIME)));

        $tplprint->setVariable('TXT_MESSAGE', $this->lng->txt('message'));
        $tplprint->setVariable('MAIL_MESSAGE', nl2br(htmlspecialchars($mailData['m_message'])));

        $tplprint->show();
    }

    public function deliverFile()
    {
        if ($_SESSION["mail_id"]) {
            $_GET["mail_id"] = $_SESSION["mail_id"];
        }
        $_SESSION["mail_id"] = "";

        $filename = ($_SESSION["filename"]
                        ? $_SESSION["filename"]
                        : ($_POST["filename"]
                            ? $_POST["filename"]
                            : $_GET["filename"]));
        $_SESSION["filename"] = "";

        if ($filename != "") {
            require_once "./Services/Mail/classes/class.ilFileDataMail.php";
            
            // secure filename
            $filename = str_replace("..", "", $filename);
            
            $mfile = new ilFileDataMail($GLOBALS['DIC']['ilUser']->getId());
            if (!is_array($file = $mfile->getAttachmentPathByMD5Filename($filename, $_GET['mail_id']))) {
                ilUtil::sendInfo($this->lng->txt('mail_error_reading_attachment'));
                $this->showMail();
            } else {
                ilUtil::deliverFile($file['path'], $file['filename']);
            }
        } else {
            ilUtil::sendInfo($this->lng->txt('mail_select_attachment'));
            $this->showMail();
        }
    }

    public function applyFilter()
    {
        $sentFolderId   = $this->mbox->getSentFolder();
        $draftsFolderId = $this->mbox->getDraftsFolder();

        $isTrashFolder = $_GET['mobj_id'] == $this->mbox->getTrashFolder();
        $isSentFolder  = $_GET['mobj_id'] == $sentFolderId;
        $isDraftFolder = $_GET['mobj_id'] == $draftsFolderId;

        $table = new ilMailFolderTableGUI($this, (int) $_GET['mobj_id'], 'showFolder');
        $table->isSentFolder($isSentFolder)
            ->isDraftFolder($isDraftFolder)
            ->isTrashFolder($isTrashFolder)
            ->initFilter();
        $table->resetOffset();
        $table->writeFilterToSession();

        $this->showFolder();
    }

    public function resetFilter()
    {
        $sentFolderId   = $this->mbox->getSentFolder();
        $draftsFolderId = $this->mbox->getDraftsFolder();

        $isTrashFolder = $_GET['mobj_id'] == $this->mbox->getTrashFolder();
        $isSentFolder  = $_GET['mobj_id'] == $sentFolderId;
        $isDraftFolder = $_GET['mobj_id'] == $draftsFolderId;

        $table = new ilMailFolderTableGUI($this, (int) $_GET['mobj_id'], 'showFolder');
        $table->isSentFolder($isSentFolder)
            ->isDraftFolder($isDraftFolder)
            ->isTrashFolder($isTrashFolder)
            ->initFilter();
        $table->resetOffset();
        $table->resetFilter();

        $this->showFolder();
    }
}