class.ilPersonalChatSettingsFormGUI.php

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<?php

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

class ilPersonalChatSettingsFormGUI extends ilPropertyFormGUI
{
        protected $lng;

        protected $ctrl;

        protected $user;

        protected $mainTpl;

        protected $settings;

        protected $chatSettings = array();

        protected $notificationSettings = array();

        protected $event;

        public function __construct($init_form = true)
        {
                global $DIC;
                
                parent::__construct();

                $this->user     = $DIC->user();
                $this->ctrl     = $DIC->ctrl();
                $this->settings = $DIC['ilSetting'];
                $this->mainTpl  = $DIC['tpl'];
                $this->lng      = $DIC['lng'];
                $this->event    = $DIC->event();

                $this->chatSettings         = new ilSetting('chatroom');
                $this->notificationSettings = new ilSetting('notifications');

                if($init_form)
                {
                        $this->initForm();
                }
        }

        public function executeCommand()
        {
                switch($this->ctrl->getCmd())
                {
                        case 'saveChatOptions':
                                $this->saveChatOptions();
                                break;

                        case 'showChatOptions':
                        default:
                                $this->showChatOptions();
                                break;
                }
        }

        public function isAccessible()
        {
                return (
                        $this->chatSettings->get('chat_enabled', false) && (
                                $this->shouldShowNotificationOptions() || $this->shouldShowOnScreenChatOptions()
                        )
                );
        }

        protected function shouldShowNotificationOptions()
        {
                return $this->notificationSettings->get('enable_osd', false) && $this->chatSettings->get('play_invitation_sound', false);
        }

        protected function shouldShowOnScreenChatOptions()
        {
                return (
                        $this->chatSettings->get('enable_osc', false) &&
                        !(bool)$this->settings->get('usr_settings_hide_chat_osc_accept_msg', false)
                );
        }

        protected function initForm()
        {
                $this->lng->loadLanguageModule('chatroom');

                $this->setFormAction($this->ctrl->getFormAction($this, 'saveChatOptions'));
                $this->setTitle($this->lng->txt("chat_settings"));

                if($this->shouldShowNotificationOptions())
                {
                        $chb = new ilCheckboxInputGUI($this->lng->txt('play_invitation_sound'), 'play_invitation_sound');
                        $this->addItem($chb);
                }

                if($this->shouldShowOnScreenChatOptions())
                {
                        $chb = new ilCheckboxInputGUI($this->lng->txt('chat_osc_accept_msg'), 'chat_osc_accept_msg');
                        $chb->setInfo($this->lng->txt('chat_osc_accept_msg_info'));
                        $chb->setDisabled((bool)$this->settings->get('usr_settings_disable_chat_osc_accept_msg', false));
                        $this->addItem($chb);
                }

                $this->addCommandButton('saveChatOptions', $this->lng->txt('save'));
        }

        protected function showChatOptions()
        {
                if(!$this->isAccessible())
                {
                        $this->ctrl->returnToParent($this);
                }

                $this->setValuesByArray(array(
                        'play_invitation_sound' => $this->user->getPref('chat_play_invitation_sound'),
                        'chat_osc_accept_msg'   => ilUtil::yn2tf($this->user->getPref('chat_osc_accept_msg'))
                ));

                $this->mainTpl->setContent($this->getHTML());
                $this->mainTpl->show();
        }

        protected function saveChatOptions()
        {
                if(!$this->isAccessible())
                {
                        $this->ctrl->returnToParent($this);
                }

                if(!$this->checkInput())
                {
                        $this->showChatOptions();
                        return;
                }

                if($this->shouldShowNotificationOptions())
                {
                        $this->user->setPref('chat_play_invitation_sound', (int)$this->getInput('play_invitation_sound'));
                }

                if($this->shouldShowOnScreenChatOptions() && !(bool)$this->settings->get('usr_settings_disable_chat_osc_accept_msg', false))
                {
                        $this->user->setPref('chat_osc_accept_msg', ilUtil::tf2yn((bool)$this->getInput('chat_osc_accept_msg')));
                }

                $this->user->writePrefs();

                $this->event->raise(
                        'Services/User',
                        'chatSettingsChanged',
                        [
                                'user' => $this->user
                        ]
                );

                ilUtil::sendSuccess($this->lng->txt('saved_successfully'));
                $this->showChatOptions();
        }
}