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<?php
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2008 Dokeos SPRL
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
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Mail: info@dokeos.com
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==============================================================================
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*/
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require_once (dirname(__FILE__).'/../../../inc/global.inc.php');
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require_once (dirname(__FILE__).'/../be.inc.php');
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/**
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* Table to display categories, evaluations and links
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* @author Stijn Konings
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* @author Bert Stepp<EFBFBD> (refactored, optimised)
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*/
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class GradebookTable extends SortableTable
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{
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private $currentcat;
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private $datagen;
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private $evals_links;
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/**
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* Constructor
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*/
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function GradebookTable ($currentcat, $cats = array(), $evals = array(), $links = array(), $addparams = null) {
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parent :: SortableTable ('gradebooklist', null, null, (api_is_allowed_to_create_course()?1:0));
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$this->evals_links = array_merge($evals, $links);
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$this->currentcat = $currentcat;
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$this->datagen = new GradebookDataGenerator($cats, $evals, $links);
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if (isset($addparams)) {
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$this->set_additional_parameters($addparams);
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}
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$column= 0;
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if (api_is_course_tutor() && api_is_allowed_to_create_course() && ($_SESSION['studentview']<>'studentview') || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false')) {
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$this->set_header($column++,'','','width="25px"');
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}
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$this->set_header($column++, get_lang('Type'),'','width="35px"');
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$this->set_header($column++, get_lang('Name'));
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$this->set_header($column++, get_lang('Description'));
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if (api_is_course_tutor() && api_is_allowed_to_create_course() && $_SESSION['studentview']<>'studentview' || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false')) {
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$this->set_header($column++, get_lang('Weight'),'','width="50px"');
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} else {
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if (empty($_GET['selectcat'])) {
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$this->set_header($column++, get_lang('Evaluation'));
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}
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else {
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$this->set_header($column++, get_lang('Weight'));
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}
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}
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$this->set_header($column++, get_lang('Date'),true, 'width="100px"');
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//admins get an edit column
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if (api_is_course_tutor() && api_is_allowed_to_create_course() && $_SESSION['studentview']<>'studentview' || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false')) {
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$this->set_header($column++, get_lang('Modify'), false, 'width="100"');
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//actions on multiple selected documents
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$this->set_form_actions(array (
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'deleted' => get_lang('DeleteSelected'),
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'setvisible' => get_lang('SetVisible'),
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'setinvisible' => get_lang('SetInvisible')));
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} else {
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if (empty($_GET['selectcat'])) {
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$this->set_header($column++, get_lang('Certificates'),false);
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} else {
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$evals_links = array_merge($evals, $links);
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if(count($evals_links)>0) {
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$this->set_header($column++, get_lang('Results'), false);
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}
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}
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}
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}
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/**
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* Function used by SortableTable to get total number of items in the table
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*/
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function get_total_number_of_items() {
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return $this->datagen->get_total_items_count();
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}
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/**
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* Function used by SortableTable to generate the data to display
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*/
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function get_table_data($from = 1) {
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// determine sorting type
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$col_adjust = (api_is_allowed_to_create_course() ? 1 : 0);
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switch ($this->column) {
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// Type
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case (0 + $col_adjust) :
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$sorting = GradebookDataGenerator :: GDG_SORT_TYPE;
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break;
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case (1 + $col_adjust) :
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$sorting = GradebookDataGenerator :: GDG_SORT_NAME;
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break;
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case (2 + $col_adjust) :
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$sorting = GradebookDataGenerator :: GDG_SORT_DESCRIPTION;
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break;
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case (3 + $col_adjust) :
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$sorting = GradebookDataGenerator :: GDG_SORT_WEIGHT;
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break;
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case (4 + $col_adjust) :
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$sorting = GradebookDataGenerator :: GDG_SORT_DATE;
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break;
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}
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if ($this->direction == 'DESC') {
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$sorting |= GradebookDataGenerator :: GDG_SORT_DESC;
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} else {
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$sorting |= GradebookDataGenerator :: GDG_SORT_ASC;
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}
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$data_array = $this->datagen->get_data($sorting, $from, $this->per_page);
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// generate the data to display
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$sortable_data = array();
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foreach ($data_array as $data) {
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$row = array ();
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$item = $data[0];
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$id = $item->get_id();
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if (empty($_GET['selectcat'])) {
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$certificate_min_score = $this->build_certificate_min_score($item);
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}
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//if the item is invisible, wrap it in a span with class invisible
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$invisibility_span_open = (api_is_allowed_to_create_course() && $item->is_visible() == '0') ? '<span class="invisible">' : '';
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$invisibility_span_close = (api_is_allowed_to_create_course() && $item->is_visible() == '0') ? '</span>' : '';
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if (api_is_course_tutor() && api_is_allowed_to_create_course() && ($_SESSION['studentview']<>'studentview') || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false')) {
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$row[] = $this->build_id_column ($item);
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}
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$row[] = $this->build_type_column ($item);
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$row[] = $invisibility_span_open . $this->build_name_link ($item) . $invisibility_span_close;
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$row[] = $invisibility_span_open . $data[2] . $invisibility_span_close;
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if (api_is_course_tutor() && api_is_allowed_to_create_course()) {
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$row[] = $invisibility_span_open . $data[3] . $invisibility_span_close;
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} else {
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if (empty($_GET['selectcat'])) {
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// generating the total score for a course
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$stud_id= api_get_user_id();
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$cats_course = Category :: load ($id, null, null, null, null, null, false);
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$alleval_course= $cats_course[0]->get_evaluations($stud_id,true);
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$alllink_course= $cats_course[0]->get_links($stud_id,true);
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$evals_links = array_merge($alleval_course, $alllink_course);
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$item_value=0;
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$item_total=0;
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for ($count=0; $count < count($evals_links); $count++) {
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$item = $evals_links[$count];
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$score = $item->calc_score($stud_id);
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$score_denom=($score[1]==0) ? 1 : $score[1];
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$item_value+=$score[0]/$score_denom*$item->get_weight();
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$item_total+=$item->get_weight();
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}
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$item_value = number_format($item_value, 2, '.', ' ');
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$cattotal = Category :: load($id);
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$scoretotal= $cattotal[0]->calc_score(api_get_user_id());
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$scoretotal_display = (isset($scoretotal)? $scoretotal[0].'/'.$scoretotal[1].'('.round(($scoretotal[0] / $scoretotal[1]) * 100) . ' %)': '-');
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$row[] = $item_value;
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} else {
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$row[] = $invisibility_span_open . $data[3] . $invisibility_span_close;
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}
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}
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$row[] = $invisibility_span_open . str_replace(' ',' ',$data[4]) . $invisibility_span_close;
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//admins get an edit column
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if (api_is_course_tutor() && api_is_allowed_to_create_course() && ($_SESSION['studentview']<>'studentview' || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false'))) {
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$cat=new Category();
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$show_message=$cat->show_message_resource_delete($item->get_course_code());
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if ($show_message===false) {
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$row[] = $this->build_edit_column ($item);
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}
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} else {
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//students get the results and certificates columns
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if (count($this->evals_links)>0) {
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$value_data=isset($data[5]) ? $data[5] : null;
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$row[] = $value_data;
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}
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if (empty($_GET['selectcat'])) {
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if (isset($certificate_min_score) && (int)$item_value >= (int)$certificate_min_score) {
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$certificates = '<a href="'.api_get_path(WEB_CODE_PATH) .'gradebook/index.php?export_certificate=yes&cat_id='.$id.'"><img src="'.api_get_path(WEB_CODE_PATH) . 'img/dokeos.gif" /></a> '.$scoretotal_display;
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} else {
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$certificates = '-';
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}
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$row[] = $certificates;
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}
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}
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$sortable_data[] = $row;
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}
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return $sortable_data;
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}
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// Other functions
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private function build_certificate_min_score ($item) {
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return $item->get_certificate_min_score();
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}
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private function build_id_column ($item) {
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switch ($item->get_item_type()) {
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// category
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case 'C' :
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return 'CATE' . $item->get_id();
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// evaluation
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case 'E' :
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return 'EVAL' . $item->get_id();
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// link
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case 'L' :
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return 'LINK' . $item->get_id();
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}
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}
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private function build_type_column ($item) {
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return build_type_icon_tag($item->get_icon_name());
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}
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private function build_name_link ($item) {
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switch ($item->get_item_type()) {
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// category
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case 'C' :
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$prms_uri='?selectcat=' . $item->get_id();
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if (isset($_GET['isStudentView'])) {
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if ( isset($is_student) || ( isset($_SESSION['studentview']) && $_SESSION['studentview']=='studentview') ) {
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$prms_uri=$prms_uri.'&isStudentView='.$_GET['isStudentView'];
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}
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}
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$cat=new Category();
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$show_message=$cat->show_message_resource_delete($item->get_course_code());
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return ' <a href="'.$_SESSION['gradebook_dest'].$prms_uri.'">'
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. $item->get_name()
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. '</a>'
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. ($item->is_course() ? ' [' . $item->get_course_code() . ']'.$show_message : '');
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// evaluation
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case 'E' :
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$cat=new Category();
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$dblib=new Database();
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$category_id=Security::remove_XSS($_GET['selectcat']);
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$course_id=$dblib->get_course_by_category($category_id);
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$show_message=$cat->show_message_resource_delete($course_id);
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// course/platform admin can go to the view_results page
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if (api_is_allowed_to_create_course() && $show_message===false) {
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return ' '
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. '<a href="gradebook_view_result.php?selecteval=' . $item->get_id() . '">'
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. $item->get_name()
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. '</a> ['.get_lang('Evaluation').']';
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} elseif (ScoreDisplay :: instance()->is_custom() && $show_message===false) {
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// students can go to the statistics page (if custom display enabled)
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return ' '
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. '<a href="gradebook_statistics.php?selecteval=' . $item->get_id() . '">'
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. $item->get_name()
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. '</a>';
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} elseif ($show_message===false && !api_is_allowed_to_create_course() && !(ScoreDisplay :: instance()->is_custom())) {
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return ' '
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. '<a href="gradebook_statistics.php?selecteval=' . $item->get_id() . '">'
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. $item->get_name()
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. '</a>';
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} else {
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return '['.get_lang('Evaluation').'] '.$item->get_name().$show_message;
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}
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// link
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case 'L' :
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$cat=new Category();
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$dblib=new Database();
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$category_id=Security::remove_XSS($_GET['selectcat']);
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$course_id=$dblib->get_course_by_category($category_id);
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$show_message=$cat->show_message_resource_delete($course_id);
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$url = $item->get_link();
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if (isset($url) && $show_message===false) {
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$text = ' <a href="' . $item->get_link() . '">'
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. $item->get_name()
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. '</a>';
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} else {
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$text = $item->get_name();
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}
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$text .= ' [' . $item->get_type_name() . ']'.$show_message;
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$cc = $this->currentcat->get_course_code();
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if (empty($cc)) {
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$text .= ' [<a href="'.api_get_path(REL_COURSE_PATH).$item->get_course_code().'/">'.$item->get_course_code().'</a>]';
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}
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return $text;
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}
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}
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private function build_edit_column ($item) {
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switch ($item->get_item_type()) {
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// category
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case 'C' :
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return build_edit_icons_cat($item, $this->currentcat->get_id());
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// evaluation
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case 'E' :
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return build_edit_icons_eval($item, $this->currentcat->get_id());
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// link
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case 'L' :
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return build_edit_icons_link($item, $this->currentcat->get_id());
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}
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}
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} |
