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, ilGlobalTemplateInterface $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();
        }
    }
    
    protected function buildPasswordMsg()
    {
        if (!$this->passwordChecker->wrongUserEnteredPasswordExist()) {
            return '';
        }
        
        return ilUtil::getSystemMessageHTML(
            $this->lng->txt('tst_password_entered_wrong_password'),
            'failure'
        );
    }
 
    protected function buildPasswordForm()
    {
        $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);
        return $form;
    }
 
    private function showPasswordFormCmd()
    {
        require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
        require_once 'Services/Form/classes/class.ilPasswordInputGUI.php';
 
        $msg = $this->buildPasswordMsg();
        $form = $this->buildPasswordForm();
 
        $this->tpl->setVariable(
            $this->parentGUI->getContentBlockName(),
            $msg . $this->ctrl->getHTML($form)
        );
    }
    
    private function saveEnteredPasswordCmd()
    {
        $this->passwordChecker->setUserEnteredPassword($_POST["password"]);
        
        if (!$this->passwordChecker->isUserEnteredPasswordCorrect()) {
            $this->passwordChecker->logWrongEnteredPassword();
        }
 
        $this->ctrl->redirectByClass($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;
    }
}