class.ilDclTextInputGUI.php

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<?php

require_once('./Services/Form/classes/class.ilTextInputGUI.php');

class ilDclTextInputGUI extends ilTextInputGUI
{

    function setValueByArray($a_values)
    {
        parent::setValueByArray($a_values);
        foreach ($this->getSubItems() as $item) {
            $item->setValueByArray($a_values);
        }

    }


        function checkInput() {
                // validate regex
                if ($this->getPostVar() == 'prop_' . ilDclBaseFieldModel::PROP_REGEX && $_POST[$this->getPostVar()]) {
                        $regex = $_POST[$this->getPostVar()];
                        if (substr($regex, 0, 1) != "/") {
                                $regex = "/" . $regex;
                        }
                        if (substr($regex, - 1) != "/") {
                                $regex .= "/";
                        }
                        try {
                                preg_match($regex, '');
                        } catch (Exception $e) {
                                global $lng;
                                $this->setAlert($lng->txt('msg_input_does_not_match_regexp'));
                                return false;
                        }
                }
                
                return parent::checkInput();
        }
}