class.ilAssQuestionSkillAssignmentsTableGUI.php

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

require_once 'Services/Table/classes/class.ilTable2GUI.php';

class ilAssQuestionSkillAssignmentsTableGUI extends ilTable2GUI
{
        private $skillQuestionAssignmentList;

        private $loadSkillPointsFromRequest = false;

        private $manipulationsEnabled;

        public function setSkillQuestionAssignmentList(ilAssQuestionSkillAssignmentList $assignmentList)
        {
                $this->skillQuestionAssignmentList = $assignmentList;
        }

        public function areManipulationsEnabled()
        {
                return $this->manipulationsEnabled;
        }

        public function setManipulationsEnabled($manipulationsEnabled)
        {
                $this->manipulationsEnabled = $manipulationsEnabled;
        }

        public function __construct($parentOBJ, $parentCmd, ilCtrl $ctrl, ilLanguage $lng)
        {
                parent::__construct($parentOBJ, $parentCmd);

                $this->lng = $lng;
                $this->ctrl = $ctrl;
                
                $this->setId('assQstSkl');
                $this->getPrefix('assQstSkl');

                $this->setStyle('table', 'fullwidth');

                $this->setRowTemplate("tpl.tst_skl_qst_assignment_row.html", "Modules/Test");

                $this->enable('header');
                $this->disable('sort');
                $this->disable('select_all');
        }
        
        public function init()
        {
                $this->initColumns();
                
                if( $this->areManipulationsEnabled() )
                {
                        $this->setFormAction($this->ctrl->getFormAction($this->parent_obj));
                        
                        $this->addCommandButton(
                                ilAssQuestionSkillAssignmentsGUI::CMD_SAVE_SKILL_POINTS, $this->lng->txt('tst_save_comp_points')
                        );
                }
        }

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

        private function initColumns()
        {
                $this->addColumn($this->lng->txt('tst_question'),'question', '25%');
                $this->addColumn($this->lng->txt('tst_competence'),'competence', '');
                $this->addColumn($this->lng->txt('tst_comp_eval_mode'),'eval_mode', '13%');
                $this->addColumn($this->lng->txt('tst_comp_points'),'points', '12%');
                $this->addColumn($this->lng->txt('actions'), 'actions', '20%');
        }

        public function fillRow($question)
        {
                $assignments = $this->skillQuestionAssignmentList->getAssignmentsByQuestionId($question['question_id']);

                $this->ctrl->setParameter($this->parent_obj, 'question_id', $question['question_id']);

                $this->tpl->setCurrentBlock('question_title');
                $this->tpl->setVariable('ROWSPAN', $this->getRowspan($assignments));
                $this->tpl->setVariable('QUESTION_TITLE', $question['title']);
                $this->tpl->setVariable('QUESTION_DESCRIPTION', $question['description']);
                $this->tpl->parseCurrentBlock();

                $this->tpl->setCurrentBlock('tbl_content');
                
                for($i = 0, $numAssigns = count($assignments); $i < $numAssigns; $i++)
                {
                        /* @var ilAssQuestionSkillAssignment $assignment */
                        $assignment = $assignments[$i];
                        
                        $this->tpl->setCurrentBlock('actions_col');
                        $this->tpl->setVariable('ACTION', $this->getCompetenceAssignPropertiesFormLink($assignment));
                        $this->tpl->parseCurrentBlock();

                        $this->tpl->setCurrentBlock('tbl_content');
                        
                        $this->tpl->setVariable('COMPETENCE', $assignment->getSkillTitle());
                        $this->tpl->setVariable('COMPETENCE_PATH', $assignment->getSkillPath());
                        $this->tpl->setVariable('EVAL_MODE', $this->getEvalModeLabel($assignment));

                        if( $this->isSkillPointInputRequired($assignment) )
                        {
                                $this->tpl->setVariable('SKILL_POINTS', $this->buildSkillPointsInput($assignment));
                        }
                        else
                        {
                                $this->tpl->setVariable('SKILL_POINTS', $assignment->getMaxSkillPoints());
                        }

                        if( $this->areManipulationsEnabled() || ($i + 1) < $numAssigns )
                        {
                                $this->tpl->parseCurrentBlock();

                                $this->tpl->setCurrentBlock('tbl_content');
                                $this->tpl->setVariable("CSS_ROW", $this->css_row);
                        }
                }

                if( $this->areManipulationsEnabled() )
                {
                        $this->tpl->setCurrentBlock('actions_col');
                        $this->tpl->setVariable('ACTION', $this->getManageCompetenceAssignsActionLink());
                        $this->tpl->parseCurrentBlock();

                        $this->tpl->setCurrentBlock('tbl_content');
                }
                elseif( !$numAssigns )
                {
                        $this->tpl->setCurrentBlock('actions_col');
                        $this->tpl->setVariable('ACTION', '&nbsp;');
                        $this->tpl->parseCurrentBlock();

                        $this->tpl->setCurrentBlock('tbl_content');
                }
        }

        private function getRowspan($assignments)
        {
                $cnt = count($assignments);

                if( $cnt == 0 )
                {
                        return 1;
                }
                
                if( $this->areManipulationsEnabled() )
                {
                        $cnt++;
                }

                return $cnt;
        }

        private function getManageCompetenceAssignsActionLink()
        {
                $href = $this->ctrl->getLinkTarget(
                        $this->parent_obj, ilAssQuestionSkillAssignmentsGUI::CMD_SHOW_SKILL_SELECT
                );

                $label = $this->lng->txt('tst_manage_competence_assigns');

                return $this->buildActionLink($href, $label);
        }

        private function getCompetenceAssignPropertiesFormLink(ilAssQuestionSkillAssignment $assignment)
        {
                $this->ctrl->setParameter($this->parent_obj, 'skill_base_id', $assignment->getSkillBaseId());
                $this->ctrl->setParameter($this->parent_obj, 'skill_tref_id', $assignment->getSkillTrefId());

                $href = $this->ctrl->getLinkTarget(
                        $this->parent_obj, ilAssQuestionSkillAssignmentsGUI::CMD_SHOW_SKILL_QUEST_ASSIGN_PROPERTIES_FORM
                );

                if( $this->areManipulationsEnabled() )
                {
                        $label = $this->lng->txt('tst_edit_competence_assign');
                }
                else
                {
                        $label = $this->lng->txt('tst_view_competence_assign');
                }

                $this->ctrl->setParameter($this->parent_obj, 'skill_base_id', null);
                $this->ctrl->setParameter($this->parent_obj, 'skill_tref_id', null);

                return $this->buildActionLink($href, $label);
        }

        private function buildActionLink($href, $label)
        {
                return "<a href=\"{$href}\" title=\"{$label}\">{$label}</a>";
        }

        private function buildActionColumnHTML($assignments)
        {
                $actions = array();

                foreach($assignments as $assignment)
                {
                        $this->ctrl->setParameter($this->parent_obj, 'skill_base_id', $assignment->getSkillBaseId());
                        $this->ctrl->setParameter($this->parent_obj, 'skill_tref_id', $assignment->getSkillTrefId());

                        $href = $this->ctrl->getLinkTarget(
                                $this->parent_obj, ilAssQuestionSkillAssignmentsGUI::CMD_REMOVE_SKILL_QUEST_ASSIGN
                        );

                        $label = $this->lng->txt('tst_remove_competence');

                        $actions[] = $this->buildActionLink($href, $label);
                }

                $href = $this->ctrl->getLinkTarget(
                        $this->parent_obj, ilAssQuestionSkillAssignmentsGUI::CMD_SHOW_SKILL_SELECT
                );

                $label = $this->lng->txt('tst_assign_competence');
                $actions[] = $this->buildActionLink($href, $label);

                return implode('<br />', $actions);
        }
        
        private function getEvalModeLabel(ilAssQuestionSkillAssignment $assignment)
        {
                if( $assignment->hasEvalModeBySolution() )
                {
                        return $this->lng->txt('qpl_skill_point_eval_mode_solution_compare');
                }

                return $this->lng->txt('qpl_skill_point_eval_mode_quest_result');
        }

        private function buildSkillPointsInput(ilAssQuestionSkillAssignment $assignment)
        {
                $assignmentKey = implode(':', array(
                        $assignment->getSkillBaseId(), $assignment->getSkillTrefId(), $assignment->getQuestionId()
                ));

                if($this->loadSkillPointsFromRequest)
                {
                        $points = isset($_POST['skill_points'][$assignmentKey]) ? ilUtil::stripSlashes($_POST['skill_points'][$assignmentKey]) : '';
                }
                else
                {
                        $points = $assignment->getSkillPoints();
                }

                return "<input type\"text\" size=\"2\" name=\"skill_points[{$assignmentKey}]\" value=\"{$points}\" />";
        }
        
        private function isSkillPointInputRequired(ilAssQuestionSkillAssignment $assignment)
        {
                if( !$this->areManipulationsEnabled() )
                {
                        return false;
                }

                if( $assignment->hasEvalModeBySolution() )
                {
                        return false;
                }
                
                return true;
        }
}