ilAssLacExpressionNotSupportedByQuestion.php

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<?php

require_once 'Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Exception/ilAssLacException.php';
require_once 'Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Exception/ilAssLacFormAlertProvider.php';

class ilAssLacExpressionNotSupportedByQuestion extends ilAssLacException implements ilAssLacFormAlertProvider
{
        protected $expression;

        protected $question_index;

        public function __construct($expression, $question_index)
        {
                $this->expression = $expression;
                $this->question_index = $question_index;
                
                if( $this->getQuestionIndex() === null )
                {
                        $msg = sprintf(
                                'The expression "%s" is not supported by the current question', $this->getExpression()
                        );
                }
                else
                {
                        $msg = sprintf(
                                'The expression "%s" is not supported by the question with index "Q%s"',
                                $this->getExpression(), $this->getQuestionIndex()
                        );
                }

                parent::__construct($msg);
        }

        public function getQuestionIndex()
        {
                return $this->question_index;
        }

        public function getExpression()
        {
                return $this->expression;
        }

        public function getFormAlert(ilLanguage $lng)
        {
                if( $this->getQuestionIndex() === null )
                {
                        return sprintf(
                                $lng->txt("ass_lac_expression_not_supported_by_cur_question"), $this->getExpression()
                        );
                }
                
                return sprintf(
                        $lng->txt("ass_lac_expression_not_supported_by_question"), $this->getQuestionIndex(), $this->getExpression()
                );
        }
}