class.ilCaptchaInputGUI.php

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<?php

/* Copyright (c) 1998-2011 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilCaptchaInputGUI extends ilFormPropertyGUI
{
        protected $value;
        
        function __construct($a_title = "", $a_postvar = "")
        {
                global $lng;
                
                parent::__construct($a_title, $a_postvar);
                $this->setType("captcha");
                $lng->loadLanguageModule("cptch");
        }

        function setValue($a_value)
        {
                $this->value = $a_value;
        }

        function getValue()
        {
                return $this->value;
        }

        function checkInput()
        {
                global $lng;
                
                $_POST[$this->getPostVar()] = ilUtil::stripSlashes($_POST[$this->getPostVar()]);
                if ($this->getRequired() && trim($_POST[$this->getPostVar()]) == "")
                {
                        $this->setAlert($lng->txt("msg_input_is_required"));

                        return false;
                }
                
                include_once("./Services/Captcha/classes/class.ilSecurImage.php");
                $si = new ilSecurImage();
                if (!$si->check($_POST[$this->getPostVar()]))
                {
                        $this->setAlert($lng->txt("cptch_wrong_input"));

                        return false;
                }

                return true;
        }

        function render()
        {
                global $lng;
                
                $tpl = new ilTemplate("tpl.prop_captchainput.html", true, true, "Services/Captcha");
                                if (strlen($this->getValue()))
                {
                        $tpl->setCurrentBlock("prop_text_propval");
                        $tpl->setVariable("PROPERTY_VALUE", ilUtil::prepareFormOutput($this->getValue()));
                        $tpl->parseCurrentBlock();
                }

                include_once("./Services/Captcha/classes/class.ilSecurImageUtil.php");
                $tpl->setVariable("IMAGE_SCRIPT",
                        ilSecurImageUtil::getImageScript());
                
                $tpl->setVariable("POST_VAR", $this->getPostVar());
                $tpl->setVariable("TXT_CONSTR_PROP", $lng->txt("cont_constrain_proportions"));
                
//              $GLOBALS["tpl"]->addJavascript("./Services/MediaObjects/js/ServiceMediaObjectPropWidthHeight.js");

                return $tpl->get();
        }

        function insert(&$a_tpl)
        {
                $html = $this->render();

                $a_tpl->setCurrentBlock("prop_generic");
                $a_tpl->setVariable("PROP_GENERIC", $html);
                $a_tpl->parseCurrentBlock();
        }

        function setValueByArray($a_values)
        {
                global $ilUser;
                
                $this->setValue($a_values[$this->getPostVar()]);
        }

}