class.ilQuestionCumulatedStatisticsTableGUI.php

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<?php
/* Copyright (c) 1998-2014 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/Table/classes/class.ilTable2GUI.php';
require_once 'Services/Tree/classes/class.ilPathGUI.php';
require_once 'Services/Link/classes/class.ilLink.php';

class ilQuestionCumulatedStatisticsTableGUI extends ilTable2GUI
{
        protected $question;

        public function __construct($controller, $cmd, $template_context, assQuestion $question)
        {
                $this->question = $question;
                $this->setId('qst_usage_' . $question->getId());
                parent::__construct($controller, $cmd);

                $this->setRowTemplate('tpl.il_as_qpl_question_cumulated_stats_table_row.html', 'Modules/TestQuestionPool');
                $this->setLimit(PHP_INT_MAX);

                $this->setDefaultOrderField('result');
                $this->setDefaultOrderDirection('ASC');

                $this->setTitle($this->lng->txt('question_cumulated_statistics'));
                $this->setNoEntriesText($this->lng->txt('qpl_assessment_no_assessment_of_questions'));

                $this->disable('sort');
                $this->disable('hits');
                $this->disable('numinfo');

                $this->initColumns();
                $this->initData();
        }

        protected function initColumns()
        {
                $this->addColumn($this->lng->txt('result'), 'result');
                $this->addColumn($this->lng->txt('value'), 'value');
        }

        protected function initData()
        {
                $rows = array();

                $total_of_answers = $this->question->getTotalAnswers();

                if($total_of_answers)
                {
                        $rows[] = array(
                                'result' => $this->lng->txt('qpl_assessment_total_of_answers'),
                                'value'  => $total_of_answers,
                                'is_percent' => false
                        );

                        $rows[] = array(
                                'result' => $this->lng->txt('qpl_assessment_total_of_right_answers'),
                                'value'  => assQuestion::_getTotalRightAnswers($this->question->getId()) * 100.0,
                                'is_percent' => true
                        );
                }
                else
                {
                        $this->disable('header');
                }

                $this->setData($rows);
        }

        public function numericOrdering($a_field)
        {
                if('value' == $a_field)
                {
                        return true;
                }

                return false;
        }

        public function fillRow($row)
        {
                $this->tpl->setVariable('VAL_RESULT', $row['result']);
                $this->tpl->setVariable('VAL_VALUE', $row['is_percent'] ? sprintf("%2.2f", $row['value'])
                                                                          . ' %' : $row['value']);
        }
}