class.ilTestSkillLevelThresholdsGUI.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */


class ilTestSkillLevelThresholdsGUI
{
        const CMD_SHOW_SKILL_THRESHOLDS = 'showSkillThresholds';
        const CMD_SAVE_SKILL_THRESHOLDS = 'saveSkillThresholds';
        private $ctrl;

        private $tpl;

        private $lng;

        private $db;

        private $testId;

        private $questionContainerId;

        private $questionAssignmentColumnsEnabled;

        public function __construct(ilCtrl $ctrl, ilTemplate $tpl, ilLanguage $lng, ilDB $db, $testId)
        {
                $this->ctrl = $ctrl;
                $this->tpl = $tpl;
                $this->lng = $lng;
                $this->db = $db;
                $this->testId = $testId;
                $this->questionAssignmentColumnsEnabled = false;
        }

        public function getQuestionContainerId()
        {
                return $this->questionContainerId;
        }

        public function setQuestionContainerId($questionContainerId)
        {
                $this->questionContainerId = $questionContainerId;
        }

        public function executeCommand()
        {
                $cmd = $this->ctrl->getCmd('show') . 'Cmd';

                $this->$cmd();
        }

        public function setQuestionAssignmentColumnsEnabled($questionAssignmentColumnsEnabled)
        {
                $this->questionAssignmentColumnsEnabled = $questionAssignmentColumnsEnabled;
        }

        public function areQuestionAssignmentColumnsEnabled()
        {
                return $this->questionAssignmentColumnsEnabled;
        }

        public function getTestId()
        {
                return $this->testId;
        }

        private function saveSkillThresholdsCmd()
        {
                require_once 'Modules/Test/classes/class.ilTestSkillLevelThreshold.php';

                if(strtolower($_SERVER['REQUEST_METHOD']) == 'post')
                {
                        $assignmentList = $this->buildSkillQuestionAssignmentList();
                        $assignmentList->loadFromDb();

                        $valid = true;

                        $table    = $this->getPopulatedTable();
                        $elements = $table->getInputElements();
                        foreach($elements as $elm)
                        {
                                if(!$elm->checkInput())
                                {
                                        $valid = false;
                                }

                                $elm->setValueByArray($_POST);
                        }

                        if(!$valid)
                        {
                                ilUtil::sendFailure($this->lng->txt('form_input_not_valid'));
                                return $this->showSkillThresholdsCmd($table);
                        }

                        $threshold = array();
                        foreach($_POST as $key => $value)
                        {
                                $matches = null;
                                if(preg_match('/^threshold_(\d+?):(\d+?)_(\d+?)$/', $key, $matches) && is_array($matches))
                                {
                                        $threshold[$matches[1] . ':' . $matches[2]][$matches[3]] = $value;
                                }
                        }

                        $skillLevelThresholds = array();

                        foreach($assignmentList->getUniqueAssignedSkills() as $data)
                        {
                                $skill    = $data['skill'];
                                $skillKey = $data['skill_base_id'] . ':' . $data['skill_tref_id'];
                                $levels   = $skill->getLevelData();

                                $thresholds_by_level = array();

                                foreach($levels as $level)
                                {
                                        if(isset($threshold[$skillKey]) && isset($threshold[$skillKey][$level['id']]))
                                        {
                                                $skillLevelThreshold = new ilTestSkillLevelThreshold($this->db);

                                                $skillLevelThreshold->setTestId($this->getTestId());
                                                $skillLevelThreshold->setSkillBaseId($data['skill_base_id']);
                                                $skillLevelThreshold->setSkillTrefId($data['skill_tref_id']);
                                                $skillLevelThreshold->setSkillLevelId($level['id']);

                                                $skillLevelThreshold->setThreshold($threshold[$skillKey][$level['id']]);
                                                $skillLevelThresholds[] = $skillLevelThreshold;
                                                $thresholds_by_level[]  = $threshold[$skillKey][$level['id']];
                                        }
                                }

                                $sorted_thresholds_by_level = $thresholds_by_level = array_values($thresholds_by_level);
                                sort($sorted_thresholds_by_level);
                                if(
                                        $sorted_thresholds_by_level != $thresholds_by_level ||
                                        count($thresholds_by_level) != count(array_unique($thresholds_by_level))
                                )
                                {
                                        ilUtil::sendFailure($this->lng->txt('ass_competence_respect_level_ordering'));
                                        return $this->showSkillThresholdsCmd($table);
                                }
                        }

                        foreach($skillLevelThresholds as $skillLevelThreshold)
                        {
                                $skillLevelThreshold->saveToDb();
                        }

                        ilUtil::sendSuccess($this->lng->txt('tst_msg_skl_lvl_thresholds_saved'), true);
                }

                $this->ctrl->redirect($this, self::CMD_SHOW_SKILL_THRESHOLDS);
        }

        private function showSkillThresholdsCmd(ilTestSkillLevelThresholdsTableGUI $table = null)
        {
                if(null === $table)
                {
                        $table = $this->getPopulatedTable();
                }

                $this->tpl->setContent($this->ctrl->getHTML($table));
        }

        protected function getPopulatedTable()
        {
                $table = $this->buildTableGUI();

                $skillLevelThresholdList = $this->buildSkillLevelThresholdList();
                $skillLevelThresholdList->loadFromDb();
                $table->setSkillLevelThresholdList($skillLevelThresholdList);

                $assignmentList = $this->buildSkillQuestionAssignmentList();
                $assignmentList->loadFromDb();

                $table->setData($table->completeCompetenceTitles(
                        $assignmentList->getUniqueAssignedSkills()
                ));
                return $table;
        }

        private function buildTableGUI()
        {
                require_once 'Modules/Test/classes/tables/class.ilTestSkillLevelThresholdsTableGUI.php';
                $table = new ilTestSkillLevelThresholdsTableGUI($this, self::CMD_SHOW_SKILL_THRESHOLDS, $this->ctrl, $this->lng);
                $table->setQuestionAssignmentColumnsEnabled( $this->areQuestionAssignmentColumnsEnabled() );
                $table->initColumns();

                return $table;
        }

        private function buildSkillQuestionAssignmentList()
        {
                require_once 'Modules/TestQuestionPool/classes/class.ilAssQuestionSkillAssignmentList.php';
                $assignmentList = new ilAssQuestionSkillAssignmentList($this->db);
                $assignmentList->setParentObjId($this->getQuestionContainerId());

                return $assignmentList;
        }

        private function buildSkillLevelThresholdList()
        {
                require_once 'Modules/Test/classes/class.ilTestSkillLevelThresholdList.php';
                $thresholdList = new ilTestSkillLevelThresholdList($this->db);
                $thresholdList->setTestId($this->getTestId());

                return $thresholdList;
        }
}