class.ilTestPasswordProtectionGUI.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */


class ilTestPasswordProtectionGUI
{
        const CMD_SHOW_PASSWORD_FORM = 'showPasswordForm';
        const CMD_SAVE_ENTERED_PASSWORD = 'saveEnteredPassword';
        const CMD_BACK_TO_INFO_SCREEN = 'backToInfoScreen';

        protected $ctrl;

        protected $tpl;

        protected $lng;

        protected $parentGUI;
        
        protected $passwordChecker;

        private $nextCommandClass;

        private $nextCommandCmd;
        
        public function __construct(ilCtrl $ctrl, ilTemplate $tpl, ilLanguage $lng, ilTestPlayerAbstractGUI $parentGUI, ilTestPasswordChecker $passwordChecker)
        {
                $this->ctrl = $ctrl;
                $this->tpl = $tpl;
                $this->lng = $lng;
                $this->parentGUI = $parentGUI;
                $this->passwordChecker = $passwordChecker;
        }
        
        public function executeCommand()
        {
                $this->ctrl->saveParameter($this, 'nextCommand');
                $nextCommand = explode('::', $_GET['nextCommand']);
                $this->setNextCommandClass($nextCommand[0]);
                $this->setNextCommandCmd($nextCommand[1]);

                $this->ctrl->saveParameter($this->parentGUI, 'lock');

                switch($this->ctrl->getNextClass())
                {
                        default:

                                $cmd = $this->ctrl->getCmd().'Cmd';
                                $this->$cmd();
                }
        }
        
        private function showPasswordFormCmd()
        {
                require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
                require_once 'Services/Form/classes/class.ilPasswordInputGUI.php';
                
                $form = new ilPropertyFormGUI();
                $form->setTitle($this->lng->txt("tst_password_form"));
                $form->setDescription($this->lng->txt("tst_password_introduction"));

                $form->setFormAction($this->ctrl->getFormAction($this));
                $form->addCommandButton(self::CMD_SAVE_ENTERED_PASSWORD, $this->lng->txt("submit"));
                $form->addCommandButton(self::CMD_BACK_TO_INFO_SCREEN, $this->lng->txt("cancel"));

                $inp = new ilPasswordInputGUI($this->lng->txt("tst_password"), 'password');
                $inp->setRequired(true);
                $inp->setRetype(false);
                $form->addItem($inp);

                $this->tpl->setVariable($this->parentGUI->getContentBlockName(), $this->ctrl->getHTML($form));
        }
        
        private function saveEnteredPasswordCmd()
        {
                $this->passwordChecker->setUserEnteredPassword($_POST["password"]);
                
                if( !$this->passwordChecker->isUserEnteredPasswordCorrect() )
                {
                        ilUtil::sendFailure($this->lng->txt("tst_password_entered_wrong_password"), true);
                }

                $this->ctrl->redirectByClass($this->getNextCommandClass(), $this->getNextCommandCmd());
        }
        
        private function backToInfoScreenCmd()
        {
                $this->ctrl->redirectByClass('ilObjTestGUI', 'infoScreen');
        }

        private function setNextCommandClass($nextCommandClass)
        {
                $this->nextCommandClass = $nextCommandClass;
        }

        private function getNextCommandClass()
        {
                return $this->nextCommandClass;
        }

        private function setNextCommandCmd($nextCommandCmd)
        {
                $this->nextCommandCmd = $nextCommandCmd;
        }

        private function getNextCommandCmd()
        {
                return $this->nextCommandCmd;
        }
}