class.ilChatroomMessageDeletionThresholdInputGUI.php

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<?php

class ilChatroomMessageDeletionThresholdInputGUI extends ilNumberInputGUI
{
        protected $thresholdUnits;

        public function __construct($a_title = "", $a_postvar = "", ilSelectInputGUI $thresholdUnits)
        {
                parent::__construct($a_title, $a_postvar);
                $this->thresholdUnits = $thresholdUnits;
        }

        public function checkInput()
        {
                $isValid = parent::checkInput();

                if(!$isValid)
                {
                        return false;
                }

                $this->setValueByArray((array)$_POST);
                $this->thresholdUnits->setValueByArray((array)$_POST);

                $unit =  $this->thresholdUnits->getValue();
                switch(true)
                {
                        case $unit == 'days' && $this->getValue() > 31:
                                $this->setAlert(sprintf(
                                        $GLOBALS['DIC']->language()->txt('chat_deletion_ival_max_val'),
                                        $GLOBALS['DIC']->language()->txt('days'),
                                        31
                                ));
                                return false;
                                break;

                        case $unit == 'weeks' && $this->getValue() > 52:
                                $this->setAlert(sprintf(
                                        $GLOBALS['DIC']->language()->txt('chat_deletion_ival_max_val'),
                                        $GLOBALS['DIC']->language()->txt('weeks'),
                                        52
                                ));
                                return false;
                                break;

                        case $unit == 'months' && $this->getValue() > 12:
                                $this->setAlert(sprintf(
                                        $GLOBALS['DIC']->language()->txt('chat_deletion_ival_max_val'),
                                        $GLOBALS['DIC']->language()->txt('months'),
                                        12
                                ));
                                return false;
                                break;
                }

                return true;
        }
}