class.ilMailGUI.php

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<?php
/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once "Services/Mail/classes/class.ilMail.php";
require_once 'Services/Mail/classes/class.ilMailFormCall.php';

class ilMailGUI
{
    const VIEWMODE_SESSION_KEY = 'mail_viewmode';
    
    private $tpl = null;
    private $ctrl = null;
    private $lng = null;
    private $tabs_gui = null;
    
    private $umail = null;
    private $exp = null;
    private $output = null;
    private $mtree = null;
    private $forwardClass = null;

    public function __construct()
    {
        global $DIC;

        $this->tpl  = $DIC->ui()->mainTemplate();
        $this->ctrl = $DIC->ctrl();
        $this->lng  = $DIC->language();
        
        if (isset($_POST['mobj_id']) && (int) $_POST['mobj_id']) {
            $_GET['mobj_id'] = $_POST['mobj_id'];
        }
        $_GET['mobj_id'] = (int) $_GET['mobj_id'];
        
        $this->ctrl->saveParameter($this, "mobj_id");
        $this->lng->loadLanguageModule("mail");

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

        if (!$DIC->rbac()->system()->checkAccess('internal_mail', $this->umail->getMailObjectReferenceId())) {
            $DIC['ilErr']->raiseError($this->lng->txt("permission_denied"), $DIC['ilErr']->WARNING);
        }
    }

    public function executeCommand()
    {
        if ($_GET["type"] == "search_res") {
            ilMailFormCall::storeReferer($_GET);

            $this->ctrl->setParameterByClass("ilmailformgui", "cmd", "searchResults");
            $this->ctrl->redirectByClass("ilmailformgui");
        }

        if ($_GET["type"] == "attach") {
            ilMailFormCall::storeReferer($_GET);

            $this->ctrl->setParameterByClass("ilmailformgui", "cmd", "mailAttachment");
            $this->ctrl->redirectByClass("ilmailformgui");
        }

        if ($_GET["type"] == "new") {
            $_SESSION['rcp_to'] = $_GET['rcp_to'];
            if (!strlen($_SESSION['rcp_to']) && ($recipients = ilMailFormCall::getRecipients())) {
                $_SESSION['rcp_to'] = implode(',', $recipients);
                ilMailFormCall::setRecipients(array());
            }
            $_SESSION['rcp_cc'] = $_GET['rcp_cc'];
            $_SESSION['rcp_bcc'] = $_GET['rcp_bcc'];

            ilMailFormCall::storeReferer($_GET);
            
            $this->ctrl->setParameterByClass("ilmailformgui", "cmd", "mailUser");
            $this->ctrl->redirectByClass("ilmailformgui");
        }

        if ($_GET["type"] == "reply") {
            $_SESSION['mail_id'] = $_GET['mail_id'];
            $this->ctrl->setParameterByClass("ilmailformgui", "cmd", "replyMail");
            $this->ctrl->redirectByClass("ilmailformgui");
        }

        if ($_GET["type"] == "read") {
            $_SESSION['mail_id'] = $_GET['mail_id'];
            $this->ctrl->setParameterByClass("ilmailfoldergui", "cmd", "showMail");
            $this->ctrl->redirectByClass("ilmailfoldergui");
        }

        if ($_GET["type"] == "deliverFile") {
            $_SESSION['mail_id'] = $_GET['mail_id'];
            $_SESSION['filename'] = ($_POST["filename"] ? $_POST["filename"] : $_GET["filename"]);
            $this->ctrl->setParameterByClass("ilmailfoldergui", "cmd", "deliverFile");
            $this->ctrl->redirectByClass("ilmailfoldergui");
        }
        
        if ($_GET["type"] == "message_sent") {
            ilUtil::sendInfo($this->lng->txt('mail_message_send'), true);
            $this->ctrl->redirectByClass("ilmailfoldergui");
        }

        if ($_GET["type"] == "role") {
            if (is_array($_POST['roles'])) {
                $_SESSION['mail_roles'] = $_POST['roles'];
            } elseif ($_GET["role"]) {
                $_SESSION['mail_roles'] = array($_GET["role"]);
            }

            ilMailFormCall::storeReferer($_GET);

            $this->ctrl->setParameterByClass("ilmailformgui", "cmd", "mailRole");
            $this->ctrl->redirectByClass("ilmailformgui");
        }

        if ($_GET["view"] == "my_courses") {
            $_SESSION['search_crs'] = $_GET['search_crs'];
            $this->ctrl->setParameterByClass("ilmailformgui", "cmd", "searchCoursesTo");
            $this->ctrl->redirectByClass("ilmailformgui");
        }

        if (isset($_GET["viewmode"])) {
            ilSession::set(self::VIEWMODE_SESSION_KEY, $_GET["viewmode"]);
            $this->ctrl->setCmd("setViewMode");
        }
        
        $this->forwardClass = $this->ctrl->getNextClass($this);
        
        $this->showHeader();

        if ('tree' == ilSession::get(self::VIEWMODE_SESSION_KEY) &&
            $this->ctrl->getCmd() != "showExplorer") {
            $this->showExplorer();
        }

        switch ($this->forwardClass) {
            case 'ilmailformgui':
                include_once 'Services/Mail/classes/class.ilMailFormGUI.php';

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

            case 'ilcontactgui':
                require_once 'Services/Contact/classes/class.ilContactGUI.php';
                $this->tpl->setTitle($this->lng->txt('mail_addressbook'));
                $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 'ilmailfoldergui':
                include_once 'Services/Mail/classes/class.ilMailFolderGUI.php';
                $this->ctrl->forwardCommand(new ilMailFolderGUI());
                break;

            default:
                if (!($cmd = $this->ctrl->getCmd())) {
                    $cmd = "setViewMode";
                }

                $this->$cmd();
                break;

        }
        return true;
    }

    private function setViewMode()
    {
        if ($_GET["target"] == "") {
            $_GET["target"] = "ilmailfoldergui";
        }

        if ($_GET['type'] == 'redirect_to_read') {
            $this->ctrl->setParameterByClass('ilMailFolderGUI', 'mail_id', (int) $_GET['mail_id']);
            $this->ctrl->redirectByClass('ilMailFolderGUI', 'showMail');
        } elseif ($_GET["type"] == "add_subfolder") {
            $this->ctrl->redirectByClass($_GET["target"], "addSubFolder");
        } elseif ($_GET["type"] == "enter_folderdata") {
            $this->ctrl->redirectByClass($_GET["target"], "enterFolderData");
        } elseif ($_GET["type"] == "confirmdelete_folderdata") {
            $this->ctrl->redirectByClass($_GET["target"], "confirmDeleteFolder");
        } else {
            $this->ctrl->redirectByClass($_GET["target"]);
        }
    }
    
    private function showHeader()
    {
        global $DIC;
        
        $DIC['ilHelp']->setScreenIdComponent("mail");
        $DIC['ilMainMenu']->setActive("mail");

        $this->tpl->getStandardTemplate();

        $this->tpl->setTitleIcon(ilUtil::getImagePath("icon_mail.svg"));

        // display infopanel if something happened
        ilUtil::infoPanel();

        $DIC->tabs()->addTarget('fold', $this->ctrl->getLinkTargetByClass('ilmailfoldergui'));
        $this->ctrl->setParameterByClass('ilmailformgui', 'type', 'new');
        $DIC->tabs()->addTarget('compose', $this->ctrl->getLinkTargetByClass('ilmailformgui'));
        $this->ctrl->clearParametersByClass('ilmailformgui');
        $DIC->tabs()->addTarget('mail_addressbook', $this->ctrl->getLinkTargetByClass('ilcontactgui'));
        $DIC->tabs()->addTarget('options', $this->ctrl->getLinkTargetByClass('ilmailoptionsgui'));

        switch ($this->forwardClass) {
            case 'ilmailformgui':
                $DIC->tabs()->setTabActive('compose');
                break;

            case 'ilcontactgui':
                $DIC->tabs()->setTabActive('mail_addressbook');
                break;

            case 'ilmailoptionsgui':
                $DIC->tabs()->setTabActive('options');
                break;

            case 'ilmailfoldergui':
            default:
                $DIC->tabs()->setTabActive('fold');
                break;
        }

        if (isset($_GET['message_sent'])) {
            $DIC->tabs()->setTabActive('fold');
        }

        if ('tree' != ilSession::get(self::VIEWMODE_SESSION_KEY)) {
            $tree_state = 'tree';
        } else {
            $tree_state = 'flat';
        }

        if ($this->isMailDetailCommand($this->ctrl->getCmd())) {
            $this->ctrl->setParameter($this, 'mail_id', (int) $_GET['mail_id']);
            $this->ctrl->setParameter($this, 'type', 'redirect_to_read');
        }

        $this->ctrl->setParameter($this, 'viewmode', $tree_state);
        $this->tpl->setTreeFlatIcon($this->ctrl->getLinkTarget($this), $tree_state);

        $this->ctrl->clearParameters($this);
        $this->tpl->setCurrentBlock("tree_icons");
        $this->tpl->parseCurrentBlock();
    }

    private function isMailDetailCommand($cmd)
    {
        return in_array(strtolower($cmd), array('showmail')) && isset($_GET['mail_id']) && (int) $_GET['mail_id'];
    }

    private function showExplorer()
    {
        global $DIC;

        require_once "Services/Mail/classes/class.ilMailExplorer.php";
        $exp = new ilMailExplorer($this, "showExplorer", $DIC->user()->getId());
        if (!$exp->handleCommand()) {
            $this->tpl->setLeftNavContent($exp->getHTML());
        }
    }
}