class.ilNotificationGUI.php

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

require_once './Services/Object/classes/class.ilObjectGUI.php';
require_once 'Services/Notifications/classes/class.ilNotificationConfig.php';
require_once 'Services/Notifications/classes/class.ilNotificationHandler.php';

class ilNotificationGUI
{

        private $handler = array();

        function __construct()
        {
                $this->type = "not";

                require_once 'Services/Notifications/classes/class.ilNotificationSetupHelper.php';
        }

        function _forwards()
        {
                return array();
        }

        function executeCommand()
        {
                global $ilCtrl;

                if(!$ilCtrl->getCmd())
                        return;

                $cmd = $ilCtrl->getCmd() . 'Object';
                $this->$cmd();

        }

        public function getHandler($type)
        {
                return $this->handler[$type];
        }

        private function getAvailableTypes($types = array())
        {
                return ilNotificationDatabaseHandler::getAvailableTypes($types);
        }

        private function getAvailableChannels($types = array())
        {
                return ilNotificationDatabaseHandler::getAvailableChannels($types);
        }

        public function getOSDNotificationsObject()
        {
                global $ilUser;

                if($ilUser->getId() == ANONYMOUS_USER_ID)
                {
                        return '{}';
                }

                require_once 'Services/Notifications/classes/class.ilNotificationEchoHandler.php';
                require_once 'Services/Notifications/classes/class.ilNotificationOSDHandler.php';

                $notifications         = ilNotificationOSDHandler::getNotificationsForUser($ilUser->getId(), true, (int)$_REQUEST['max_age']);
                $result                = new stdClass();
                $result->notifications = $notifications;
                $result->server_time   = time();
                echo json_encode($result);
                exit;
        }

        public function removeOSDNotificationsObject()
        {
                global $ilUser;

                require_once 'Services/Notifications/classes/class.ilNotificationEchoHandler.php';
                require_once 'Services/Notifications/classes/class.ilNotificationOSDHandler.php';

                ilNotificationOSDHandler::removeNotification($_REQUEST['notification_id']);

                exit;
        }

        public function addHandler($channel, ilNotificationHandler $handler)
        {
                if(!array_key_exists($channel, $this->handler) || !is_array($this->handler[$channel]))
                        $this->handler[$channel] = array();

                $this->handler[$channel][] = $handler;
        }

        private function saveCustomizingOptionObject()
        {
                global $ilUser;

                if($_POST['enable_custom_notification_configuration'])
                {
                        $ilUser->writePref('use_custom_notification_setting', 1);
                }
                else
                {
                        $ilUser->writePref('use_custom_notification_setting', 0);
                }

                $this->showSettingsObject();
        }

        public function showSettingsObject()
        {
                global $tpl, $ilCtrl, $ilUser, $lng;

                require_once 'Services/Notifications/classes/class.ilNotificationSettingsTable.php';
                require_once 'Services/Notifications/classes/class.ilNotificationDatabaseHelper.php';

                $userTypes = ilNotificationDatabaseHandler::loadUserConfig($ilUser->getId());

                $lng->loadLanguageModule('notification');

                require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
                $form = new ilPropertyFormGUI();
                $chk  = new ilCheckboxInputGUI($lng->txt('enable_custom_notification_configuration'), 'enable_custom_notification_configuration');
                $chk->setValue('1');
                $chk->setChecked($ilUser->getPref('use_custom_notification_setting') == 1);
                $form->addItem($chk);

                $form->setFormAction($ilCtrl->getFormAction($this, 'showSettingsObject'));
                $form->addCommandButton('saveCustomizingOption', $lng->txt('save'));
                $form->addCommandButton('showSettings', $lng->txt('cancel'));

                $table = new ilNotificationSettingsTable($this, 'a title', $this->getAvailableChannels(array('set_by_user')), $userTypes);

                $table->setFormAction($ilCtrl->getFormAction($this, 'saveSettings'));
                $table->setData($this->getAvailableTypes(array('set_by_user')));

                if($ilUser->getPref('use_custom_notification_setting') == 1)
                {
                        $table->addCommandButton('saveSettings', $lng->txt('save'));
                        $table->addCommandButton('showSettings', $lng->txt('cancel'));
                        $table->setEditable(true);
                }
                else
                {
                        $table->setEditable(false);
                }

                $tpl->setContent($form->getHtml() . $table->getHTML());
        }

        private function saveSettingsObject()
        {
                global $ilUser, $ilCtrl;
                require_once 'Services/Notifications/classes/class.ilNotificationDatabaseHelper.php';

                ilNotificationDatabaseHandler::setUserConfig($ilUser->getId(), $_REQUEST['notification'] ? $_REQUEST['notification'] : array());
                $this->showSettingsObject();
        }

        function addLocatorItems()
        {
                global $ilLocator, $ilCtrl;

                if(is_object($this->object))
                {
                        $ilLocator->addItem($this->object->getTitle(), $ilCtrl->getLinkTarget($this, ''), '', $_GET["ref_id"]);
                }
        }
}