class.ilTestSkillQuestionAssignmentsGUI.php

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


class ilTestSkillQuestionAssignmentsGUI
{
        const CMD_SHOW_SKILL_QUEST_ASSIGNS = 'showSkillQuestionAssignments';
        const CMD_SAVE_SKILL_POINTS = 'saveSkillPoints';
        const CMD_SHOW_SKILL_SELECT = 'showSkillSelection';
        const CMD_ADD_SKILL_QUEST_ASSIGN = 'addSkillQuestionAssignment';
        const CMD_REMOVE_SKILL_QUEST_ASSIGN = 'removeSkillQuestionAssignment';
        private $ctrl;

        private $tpl;

        private $lng;

        private $db;

        private $testOBJ;

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

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

                $this->$cmd();
        }

        private function addSkillQuestionAssignmentCmd()
        {
                $questionId = (int)$_GET['question_id'];

                $skillParameter = explode(':',$_GET['selected_skill']);
                $skillBaseId = (int)$skillParameter[0];
                $skillTrefId = (int)$skillParameter[1];

                if( $this->isTestQuestion($questionId) && $skillBaseId )
                {
                        require_once 'Modules/Test/classes/class.ilTestSkillQuestionAssignment.php';
                        $assignment = new ilTestSkillQuestionAssignment($this->db);

                        $assignment->setTestId($this->testOBJ->getTestId());
                        $assignment->setQuestionId($questionId);
                        $assignment->setSkillBaseId($skillBaseId);
                        $assignment->setSkillTrefId($skillTrefId);

                        if( !$assignment->dbRecordExists() )
                        {
                                $assignment->setSkillPoints(ilTestSkillQuestionAssignment::DEFAULT_COMPETENCE_POINTS);

                                $assignment->saveToDb();
                        }
                }

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

        private function removeSkillQuestionAssignmentCmd()
        {
                $questionId = (int)$_GET['question_id'];
                $skillBaseId = (int)$_GET['skill_base_id'];
                $skillTrefId = (int)$_GET['skill_tref_id'];

                if( $this->isTestQuestion($questionId) && $skillBaseId )
                {
                        require_once 'Modules/Test/classes/class.ilTestSkillQuestionAssignment.php';
                        $assignment = new ilTestSkillQuestionAssignment($this->db);

                        $assignment->setTestId($this->testOBJ->getTestId());
                        $assignment->setQuestionId($questionId);
                        $assignment->setSkillBaseId($skillBaseId);
                        $assignment->setSkillTrefId($skillTrefId);

                        if( $assignment->dbRecordExists() )
                        {
                                $assignment->deleteFromDb();
                        }
                }

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

        private function showSkillSelectionCmd()
        {
                $skillSelectorGUI = $this->buildSkillSelectorGUI();

                if( !$skillSelectorGUI->handleCommand() )
                {
                        $this->ctrl->saveParameter($this, 'question_id');

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

        private function saveSkillPointsCmd()
        {
                if( is_array($_POST['quantifiers']) )
                {
                        require_once 'Modules/Test/classes/class.ilTestSkillQuestionAssignment.php';

                        $success = false;
                        
                        foreach($_POST['quantifiers'] as $assignmentKey => $quantifier)
                        {
                                $assignmentKey = explode(':',$assignmentKey);
                                $skillBaseId = (int)$assignmentKey[0];
                                $skillTrefId = (int)$assignmentKey[1];
                                $questionId = (int)$assignmentKey[2];

                                if( $this->isTestQuestion($questionId) && (int)$quantifier > 0 )
                                {
                                        $assignment = new ilTestSkillQuestionAssignment($this->db);

                                        $assignment->setTestId($this->testOBJ->getTestId());
                                        $assignment->setQuestionId($questionId);
                                        $assignment->setSkillBaseId($skillBaseId);
                                        $assignment->setSkillTrefId($skillTrefId);

                                        if( $assignment->dbRecordExists() )
                                        {
                                                $assignment->setSkillPoints((int)$quantifier);
                                                $assignment->saveToDb();
                                        }
                                }
                        }
                }

                ilUtil::sendSuccess($this->lng->txt('tst_msg_skl_qst_assign_points_saved'), true);
                $this->ctrl->redirect($this, self::CMD_SHOW_SKILL_QUEST_ASSIGNS);
        }

        private function showSkillQuestionAssignmentsCmd()
        {
                $table = $this->buildTableGUI();

                $assignmentList = $this->buildSkillQuestionAssignmentList();
                $assignmentList->loadFromDb();
                $assignmentList->loadAdditionalSkillData();
                $table->setSkillQuestionAssignmentList($assignmentList);

                $table->setData($this->testOBJ->getTestQuestions());

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

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

                return $table;
        }

        private function buildSkillQuestionAssignmentList()
        {
                require_once 'Modules/Test/classes/class.ilTestSkillQuestionAssignmentList.php';
                $assignmentList = new ilTestSkillQuestionAssignmentList($this->db);
                $assignmentList->setTestId($this->testOBJ->getTestId());

                return $assignmentList;
        }

        private function buildSkillSelectorGUI()
        {
                require_once 'Services/Skill/classes/class.ilSkillSelectorGUI.php';

                $skillSelectorGUI = new ilSkillSelectorGUI(
                        $this, self::CMD_SHOW_SKILL_SELECT, $this, self::CMD_ADD_SKILL_QUEST_ASSIGN
                );

                return $skillSelectorGUI;
        }

        private function isTestQuestion($questionId)
        {
                foreach($this->testOBJ->getTestQuestions() as $question)
                {
                        if( $question['question_id'] == $questionId )
                        {
                                return true;
                        }
                }

                return false;
        }
}