PHP ScoreDisplay类代码示例

 /**
  * Function used by SortableTable to generate the data to display
  */
 public function get_table_data($from = 1, $per_page = null, $column = null, $direction = null, $sort = null)
 {
     $scoredisplay = ScoreDisplay::instance();
     // determine sorting type
     switch ($this->column) {
         // Type
         case 0:
             $sorting = UserDataGenerator::UDG_SORT_TYPE;
             break;
         case 1:
             $sorting = UserDataGenerator::UDG_SORT_NAME;
             break;
         case 2:
             $sorting = UserDataGenerator::UDG_SORT_COURSE;
             break;
         case 3:
             $sorting = UserDataGenerator::UDG_SORT_CATEGORY;
             break;
         case 4:
             $sorting = UserDataGenerator::UDG_SORT_AVERAGE;
             break;
         case 5:
             $sorting = UserDataGenerator::UDG_SORT_SCORE;
             break;
         case 6:
             $sorting = UserDataGenerator::UDG_SORT_MASK;
             break;
     }
     if ($this->direction == 'DESC') {
         $sorting |= UserDataGenerator::UDG_SORT_DESC;
     } else {
         $sorting |= UserDataGenerator::UDG_SORT_ASC;
     }
     $data_array = $this->datagen->get_data($sorting, $from, $this->per_page);
     // generate the data to display
     $sortable_data = array();
     foreach ($data_array as $data) {
         if ($data[2] != "") {
             //filter by course removed
             $row = array();
             $row[] = $this->build_type_column($data[0]);
             $row[] = $this->build_name_link($data[0]);
             $row[] = $data[2];
             $row[] = $data[3];
             $row[] = $data[4];
             $row[] = $data[5];
             if ($scoredisplay->is_custom()) {
                 $row[] = $data[6];
             }
             $sortable_data[] = $row;
         }
     }
     return $sortable_data;
 }

 public function get_link()
 {
     $eval = $this->get_evaluation();
     // course/platform admin can go to the view_results page
     if (api_is_allowed_to_edit()) {
         return 'gradebook_view_result.php?selecteval=' . $eval->get_id();
     } elseif (ScoreDisplay::instance()->is_custom()) {
         return 'gradebook_statistics.php?selecteval=' . $eval->get_id();
     } else {
         return null;
     }
 }

 /**
  * Compare the custom display of 2 scores, can be useful in sorting
  */
 public static function compare_scores_by_custom_display($score1, $score2)
 {
     if (!isset($score1)) {
         return isset($score2) ? 1 : 0;
     } elseif (!isset($score2)) {
         return -1;
     } else {
         $scoredisplay = ScoreDisplay::instance();
         $custom1 = $scoredisplay->display_custom($score1);
         $custom2 = $scoredisplay->display_custom($score2);
         if ($custom1 == $custom2) {
             return 0;
         } else {
             return $score1[0] / $score1[1] < $score2[0] / $score2[1] ? -1 : 1;
         }
     }
 }

 /**
  * Display gradebook graphs
  */
 public function display_graph_by_resource()
 {
     $headerName = $this->datagen->get_header_names();
     $total_users = $this->datagen->get_total_users_count();
     $displayscore = ScoreDisplay::instance();
     $customdisplays = $displayscore->get_custom_score_display_settings();
     if (empty($customdisplays)) {
         echo get_lang('ToViewGraphScoreRuleMustBeEnabled');
         return '';
     }
     $user_results = $this->datagen->get_data_to_graph2(false);
     //if (empty($this->datagen->get_total_items_count()) || empty($total_users)) {
     if (empty($user_results) || empty($total_users)) {
         echo get_lang('NoResults');
         return '';
     }
     // Removing first name
     array_shift($headerName);
     // Removing last name
     array_shift($headerName);
     $pre_result = $new_result = array();
     foreach ($user_results as $result) {
         for ($i = 0; $i < count($headerName); $i++) {
             if (isset($result[$i + 1])) {
                 $pre_result[$i + 3][] = $result[$i + 1];
             }
         }
     }
     $i = 0;
     $show_draw = false;
     $resource_list = array();
     $pre_result2 = array();
     foreach ($pre_result as $key => $res_array) {
         rsort($res_array);
         $pre_result2[] = $res_array;
     }
     //@todo when a display custom does not exist the order of the color does not match
     //filling all the answer that are not responded with 0
     rsort($customdisplays);
     if ($total_users > 0) {
         foreach ($pre_result2 as $key => $res_array) {
             $key_list = array();
             foreach ($res_array as $user_result) {
                 $userResult = isset($user_result[1]) ? $user_result[1] : null;
                 if (!isset($resource_list[$key][$userResult])) {
                     $resource_list[$key][$userResult] = 0;
                 }
                 $resource_list[$key][$userResult] += 1;
                 $key_list[] = $userResult;
             }
             foreach ($customdisplays as $display) {
                 if (!in_array($display['display'], $key_list)) {
                     $resource_list[$key][$display['display']] = 0;
                 }
             }
             $i++;
         }
     }
     //fixing $resource_list
     $max = 0;
     $new_list = array();
     foreach ($resource_list as $key => $value) {
         $new_value = array();
         foreach ($customdisplays as $item) {
             if ($value[$item['display']] > $max) {
                 $max = $value[$item['display']];
             }
             $new_value[$item['display']] = strip_tags($value[$item['display']]);
         }
         $new_list[] = $new_value;
     }
     $resource_list = $new_list;
     $i = 1;
     foreach ($resource_list as $key => $resource) {
         // Reverse array, otherwise we get highest values first
         $resource = array_reverse($resource, true);
         $dataSet = new pData();
         $dataSet->addPoints($resource, 'Serie');
         $dataSet->addPoints(array_keys($resource), 'Labels');
         $dataSet->setSerieDescription('Labels', strip_tags($headerName[$i - 1]));
         $dataSet->setAbscissa('Labels');
         $dataSet->setAbscissaName(get_lang('GradebookSkillsRanking'));
         $dataSet->setAxisName(0, get_lang('Students'));
         $palette = array('0' => array('R' => 186, 'G' => 206, 'B' => 151, 'Alpha' => 100), '1' => array('R' => 210, 'G' => 148, 'B' => 147, 'Alpha' => 100), '2' => array('R' => 148, 'G' => 170, 'B' => 208, 'Alpha' => 100), '3' => array('R' => 221, 'G' => 133, 'B' => 61, 'Alpha' => 100), '4' => array('R' => 65, 'G' => 153, 'B' => 176, 'Alpha' => 100), '5' => array('R' => 114, 'G' => 88, 'B' => 144, 'Alpha' => 100), '6' => array('R' => 138, 'G' => 166, 'B' => 78, 'Alpha' => 100), '7' => array('R' => 171, 'G' => 70, 'B' => 67, 'Alpha' => 100), '8' => array('R' => 69, 'G' => 115, 'B' => 168, 'Alpha' => 100));
         // Cache definition
         $cachePath = api_get_path(SYS_ARCHIVE_PATH);
         $myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
         $chartHash = $myCache->getHash($dataSet);
         if ($myCache->isInCache($chartHash)) {
             $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
             $myCache->saveFromCache($chartHash, $imgPath);
             $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
         } else {
             /* Create the pChart object */
             $widthSize = 480;
             $heightSize = 250;
             $myPicture = new pImage($widthSize, $heightSize, $dataSet);
//.........这里部分代码省略.........

 static function register_user_certificate($category_id, $user_id)
 {
     // generating the total score for a course
     $cats_course = Category::load($category_id, null, null, null, null, null, false);
     $alleval_course = $cats_course[0]->get_evaluations($user_id, true);
     $alllink_course = $cats_course[0]->get_links($user_id, true);
     $evals_links = array_merge($alleval_course, $alllink_course);
     $item_total = 0;
     //@todo move these in a function
     $sum_categories_weight_array = array();
     if (isset($cats_course) && !empty($cats_course)) {
         $categories = Category::load(null, null, null, $category_id);
         if (!empty($categories)) {
             foreach ($categories as $category) {
                 $sum_categories_weight_array[$category->get_id()] = $category->get_weight();
             }
         } else {
             $sum_categories_weight_array[$category_id] = $cats_course[0]->get_weight();
         }
     }
     $main_weight = $cats_course[0]->get_weight();
     $item_total_value = 0;
     $item_value = 0;
     for ($count = 0; $count < count($evals_links); $count++) {
         $item = $evals_links[$count];
         $score = $item->calc_score($user_id);
         $divide = $score[1] == 0 ? 1 : $score[1];
         $sub_cat_percentage = $sum_categories_weight_array[$item->get_category_id()];
         $item_value = $score[0] / $divide * $item->get_weight() * $sub_cat_percentage / $main_weight;
         $item_total_value += $item_value;
     }
     $item_total_value = (double) $item_total_value;
     $cattotal = Category::load($category_id);
     $scoretotal = $cattotal[0]->calc_score($user_id);
     //Do not remove this the gradebook/lib/fe/gradebooktable.class.php file load this variable as a global
     $scoredisplay = ScoreDisplay::instance();
     $my_score_in_gradebook = $scoredisplay->display_score($scoretotal, SCORE_SIMPLE);
     //Show certificate
     $certificate_min_score = $cats_course[0]->get_certificate_min_score();
     $scoretotal_display = $scoredisplay->display_score($scoretotal, SCORE_DIV_PERCENT);
     //a student always sees only the teacher's repartition
     if (isset($certificate_min_score) && $item_total_value >= $certificate_min_score) {
         $my_certificate = get_certificate_by_user_id($cats_course[0]->get_id(), $user_id);
         if (empty($my_certificate)) {
             register_user_info_about_certificate($category_id, $user_id, $my_score_in_gradebook, api_get_utc_datetime());
             $my_certificate = get_certificate_by_user_id($cats_course[0]->get_id(), $user_id);
         }
         if (!empty($my_certificate)) {
             $certificate_obj = new Certificate($my_certificate['id']);
             $url = Certificate::getCertificatePublicURL($my_certificate['id']);
             $certificates = Display::url(Display::return_icon('certificate.png', get_lang('Certificates'), array(), 32), $url, array('target' => '_blank'));
             $html = '<div class="actions" align="right">';
             $html .= Display::url($url, $url, array('target' => '_blank'));
             $html .= $certificates;
             $html .= '</div>';
             return $html;
         }
     } else {
         return false;
     }
 }

 /**
  * @param FlatViewTable $flatviewtable
  * @param Category $cat
  * @param $users
  * @param $alleval
  * @param $alllinks
  * @param array $params
  * @param null $mainCourseCategory
  */
 public static function export_pdf_flatview($flatviewtable, $cat, $users, $alleval, $alllinks, $params = array(), $mainCourseCategory = null)
 {
     // Getting data
     $printable_data = self::get_printable_data($cat[0], $users, $alleval, $alllinks, $params, $mainCourseCategory);
     // HTML report creation first
     $course_code = trim($cat[0]->get_course_code());
     $displayscore = ScoreDisplay::instance();
     $customdisplays = $displayscore->get_custom_score_display_settings();
     $total = array();
     if (is_array($customdisplays) && count($customdisplays)) {
         foreach ($customdisplays as $custom) {
             $total[$custom['display']] = 0;
         }
         $user_results = $flatviewtable->datagen->get_data_to_graph2(false);
         foreach ($user_results as $user_result) {
             $total[$user_result[count($user_result) - 1][1]]++;
         }
     }
     $parent_id = $cat[0]->get_parent_id();
     if (isset($cat[0]) && isset($parent_id)) {
         if ($parent_id == 0) {
             $grade_model_id = $cat[0]->get_grade_model_id();
         } else {
             $parent_cat = Category::load($parent_id);
             $grade_model_id = $parent_cat[0]->get_grade_model_id();
         }
     }
     $use_grade_model = true;
     if (empty($grade_model_id) || $grade_model_id == -1) {
         $use_grade_model = false;
     }
     if ($use_grade_model) {
         if ($parent_id == 0) {
             $title = api_strtoupper(get_lang('Average')) . '<br />' . get_lang('Detailed');
         } else {
             $title = api_strtoupper(get_lang('Average')) . '<br />' . $cat[0]->get_description() . ' - (' . $cat[0]->get_name() . ')';
         }
     } else {
         if ($parent_id == 0) {
             $title = api_strtoupper(get_lang('Average')) . '<br />' . get_lang('Detailed');
         } else {
             $title = api_strtoupper(get_lang('Average'));
         }
     }
     $columns = count($printable_data[0]);
     $has_data = is_array($printable_data[1]) && count($printable_data[1]) > 0;
     $table = new HTML_Table(array('class' => 'data_table'));
     $row = 0;
     $column = 0;
     $table->setHeaderContents($row, $column, get_lang('NumberAbbreviation'));
     $column++;
     foreach ($printable_data[0] as $printable_data_cell) {
         if (!is_array($printable_data_cell)) {
             $printable_data_cell = strip_tags($printable_data_cell);
         }
         $table->setHeaderContents($row, $column, $printable_data_cell);
         $column++;
     }
     $row++;
     if ($has_data) {
         $counter = 1;
         foreach ($printable_data[1] as &$printable_data_row) {
             $column = 0;
             $table->setCellContents($row, $column, $counter);
             $table->updateCellAttributes($row, $column, 'align="center"');
             $column++;
             $counter++;
             foreach ($printable_data_row as $key => &$printable_data_cell) {
                 $attributes = array();
                 $attributes['align'] = 'center';
                 $attributes['style'] = null;
                 if ($key === 'name') {
                     $attributes['align'] = 'left';
                 }
                 if ($key === 'total') {
                     $attributes['style'] = 'font-weight:bold';
                 }
                 $table->setCellContents($row, $column, $printable_data_cell);
                 $table->updateCellAttributes($row, $column, $attributes);
                 $column++;
             }
             $table->updateRowAttributes($row, $row % 2 ? 'class="row_even"' : 'class="row_odd"', true);
             $row++;
         }
     } else {
         $column = 0;
         $table->setCellContents($row, $column, get_lang('NoResults'));
         $table->updateCellAttributes($row, $column, 'colspan="' . $columns . '" align="center" class="row_odd"');
     }
     $pdfParams = array('filename' => get_lang('FlatView') . '_' . api_get_utc_datetime(), 'pdf_title' => $title, 'course_code' => $course_code, 'add_signatures' => true);
     $page_format = $params['orientation'] == 'landscape' ? 'A4-L' : 'A4';
//.........这里部分代码省略.........

 /**
  * @param $item
  * @param $ignore_score_color
  * @return string
  */
 private function build_mask_column($item, $ignore_score_color)
 {
     $studscore = $this->scorecache[$item->get_item_type() . $item->get_id()];
     $scoredisplay = ScoreDisplay::instance();
     $displaytype = SCORE_DIV_PERCENT;
     if ($ignore_score_color) {
         $displaytype |= SCORE_IGNORE_SPLIT;
     }
     return $scoredisplay->display_score($studscore, $displaytype, SCORE_ONLY_CUSTOM);
 }

 /**
  * @param int $userId
  * @param GradebookItem $item
  * @param $ignore_score_color
  * @return null|string
  */
 private function build_result_column($userId, $item, $ignore_score_color, $forceSimpleResult = false)
 {
     $scoredisplay = ScoreDisplay::instance();
     $score = $item->calc_score($userId);
     if (!empty($score)) {
         switch ($item->get_item_type()) {
             // category
             case 'C':
                 if ($score != null) {
                     $displaytype = SCORE_PERCENT;
                     if ($ignore_score_color) {
                         $displaytype |= SCORE_IGNORE_SPLIT;
                     }
                     if ($forceSimpleResult) {
                         return array('display' => $scoredisplay->display_score($score, SCORE_DIV), 'score' => $score, 'score_weight' => $score);
                     }
                     return array('display' => $scoredisplay->display_score($score, SCORE_DIV), 'score' => $score, 'score_weight' => $score);
                 } else {
                     return array('display' => null, 'score' => $score, 'score_weight' => $score);
                 }
                 break;
                 // evaluation and link
             // evaluation and link
             case 'E':
             case 'L':
                 //if ($parentId == 0) {
                 $scoreWeight = [$score[0] / $score[1] * $item->get_weight(), $item->get_weight()];
                 //}
                 return array('display' => $scoredisplay->display_score($score, SCORE_DIV), 'score' => $score, 'score_weight' => $scoreWeight);
         }
     }
     return array('display' => null, 'score' => null, 'score_weight' => null);
 }

 /**
  * Function used by SortableTable to generate the data to display
  */
 function get_table_data($from = 1, $per_page = null, $column = null, $direction = null, $sort = null)
 {
     $is_western_name_order = api_is_western_name_order();
     $scoredisplay = ScoreDisplay::instance();
     // determine sorting type
     $col_adjust = $this->iscourse == '1' ? 1 : 0;
     switch ($this->column) {
         // first name or last name
         case 0 + $col_adjust:
             if ($is_western_name_order) {
                 $sorting = ResultsDataGenerator::RDG_SORT_FIRSTNAME;
             } else {
                 $sorting = ResultsDataGenerator::RDG_SORT_LASTNAME;
             }
             break;
             // first name or last name
         // first name or last name
         case 1 + $col_adjust:
             if ($is_western_name_order) {
                 $sorting = ResultsDataGenerator::RDG_SORT_LASTNAME;
             } else {
                 $sorting = ResultsDataGenerator::RDG_SORT_FIRSTNAME;
             }
             break;
             //Score
         //Score
         case 2 + $col_adjust:
             $sorting = ResultsDataGenerator::RDG_SORT_SCORE;
             break;
         case 3 + $col_adjust:
             $sorting = ResultsDataGenerator::RDG_SORT_MASK;
             break;
     }
     if ($this->direction == 'DESC') {
         $sorting |= ResultsDataGenerator::RDG_SORT_DESC;
     } else {
         $sorting |= ResultsDataGenerator::RDG_SORT_ASC;
     }
     $data_array = $this->datagen->get_data($sorting, $from, $this->per_page);
     // generate the data to display
     $sortable_data = array();
     foreach ($data_array as $item) {
         $row = array();
         if ($this->iscourse == '1') {
             $row[] = $item['result_id'];
         }
         if ($is_western_name_order) {
             $row[] = $item['firstname'];
             $row[] = $item['lastname'];
         } else {
             $row[] = $item['lastname'];
             $row[] = $item['firstname'];
         }
         $row[] = Display::bar_progress($item['percentage_score'], false, $item['score']);
         //$row[] =  Display::bar_progress($item['percentage_score'], true);
         if ($scoredisplay->is_custom()) {
             $row[] = $item['display'];
         }
         if (!$this->forprint) {
             $row[] = $this->build_edit_column($item);
         }
         $sortable_data[] = $row;
     }
     return $sortable_data;
 }

 /**
  * @param int $category_id
  * @param int $user_id
  * @return bool|string
  */
 public static function register_user_certificate($category_id, $user_id)
 {
     $courseId = api_get_course_int_id();
     $courseCode = api_get_course_id();
     $sessionId = api_get_session_id();
     // Generating the total score for a course
     $cats_course = Category::load($category_id, null, null, null, null, $sessionId, false);
     /** @var Category $category */
     $category = $cats_course[0];
     //@todo move these in a function
     $sum_categories_weight_array = array();
     if (isset($cats_course) && !empty($cats_course)) {
         $categories = Category::load(null, null, null, $category_id);
         if (!empty($categories)) {
             foreach ($categories as $subCategory) {
                 $sum_categories_weight_array[$subCategory->get_id()] = $subCategory->get_weight();
             }
         } else {
             $sum_categories_weight_array[$category_id] = $cats_course[0]->get_weight();
         }
     }
     $main_weight = $cats_course[0]->get_weight();
     $cattotal = Category::load($category_id);
     $scoretotal = $cattotal[0]->calc_score($user_id);
     // Do not remove this the gradebook/lib/fe/gradebooktable.class.php
     // file load this variable as a global
     $scoredisplay = ScoreDisplay::instance();
     $my_score_in_gradebook = $scoredisplay->display_score($scoretotal, SCORE_SIMPLE);
     // A student always sees only the teacher's repartition
     $scoretotal_display = $scoredisplay->display_score($scoretotal, SCORE_DIV_PERCENT);
     if (!self::userFinishedCourse($user_id, $cats_course[0], 0, $courseCode, $sessionId, true)) {
         return false;
     }
     $skillToolEnabled = api_get_setting('skill.allow_skills_tool') == 'true';
     $userHasSkills = false;
     if ($skillToolEnabled) {
         if (!$category->getGenerateCertificates()) {
             $skill = new Skill();
             $skill->add_skill_to_user($user_id, $category_id, $courseId, $sessionId);
         }
         $objSkillRelUser = new SkillRelUser();
         $userSkills = $objSkillRelUser->get_user_skills($user_id, $courseId, $sessionId);
         $userHasSkills = !empty($userSkills);
         if (!$category->getGenerateCertificates() && $userHasSkills) {
             return ['badge_link' => Display::url(get_lang('DownloadBadges'), api_get_path(WEB_CODE_PATH) . "gradebook/get_badges.php?user={$user_id}", array('target' => '_blank', 'class' => 'btn btn-default'))];
         }
     }
     $my_certificate = GradebookUtils::get_certificate_by_user_id($cats_course[0]->get_id(), $user_id);
     if (empty($my_certificate)) {
         GradebookUtils::register_user_info_about_certificate($category_id, $user_id, $my_score_in_gradebook, api_get_utc_datetime());
         $my_certificate = GradebookUtils::get_certificate_by_user_id($cats_course[0]->get_id(), $user_id);
     }
     $html = array();
     if (!empty($my_certificate)) {
         $certificate_obj = new Certificate($my_certificate['id']);
         $fileWasGenerated = $certificate_obj->html_file_is_generated();
         if (!empty($fileWasGenerated)) {
             $url = api_get_path(WEB_PATH) . 'certificates/index.php?id=' . $my_certificate['id'];
             $certificates = Display::url(Display::returnFontAwesomeIcon('download') . ' ' . get_lang('DownloadCertificate'), $url, array('target' => '_blank', 'class' => 'btn btn-sm btn-primary'));
             $exportToPDF = Display::url(Display::return_icon('pdf.png', get_lang('ExportToPDF'), array(), ICON_SIZE_MEDIUM), "{$url}&action=export");
             $hideExportLink = api_get_setting('hide_certificate_export_link');
             $hideExportLinkStudent = api_get_setting('hide_certificate_export_link_students');
             if ($hideExportLink === 'true' || api_is_student() && $hideExportLinkStudent === 'true') {
                 $exportToPDF = null;
             }
             $html = array('certificate_link' => $certificates, 'pdf_link' => $exportToPDF, 'pdf_url' => "{$url}&action=export");
             if ($skillToolEnabled && $userHasSkills) {
                 $html['badge_link'] = Display::url(get_lang('DownloadBadges'), api_get_path(WEB_CODE_PATH) . "gradebook/get_badges.php?user={$user_id}", array('target' => '_blank', 'class' => 'btn btn-default'));
             }
         }
         return $html;
     }
 }

 /**
  * Gets the info about a gradebook certificate for a user by course
  * @param string The course code
  * @param int The user id
  * @return array  if there is not information return false
  */
 public static function get_info_gradebook_certificate($course_code, $user_id)
 {
     $tbl_grade_certificate = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
     $tbl_grade_category = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
     $session_id = api_get_session_id();
     if (empty($session_id)) {
         $session_condition = ' AND (session_id = "" OR session_id = 0 OR session_id IS NULL )';
     } else {
         $session_condition = " AND session_id = {$session_id}";
     }
     $sql = 'SELECT * FROM ' . $tbl_grade_certificate . ' WHERE cat_id = (SELECT id FROM ' . $tbl_grade_category . '
             WHERE
                 course_code = "' . Database::escape_string($course_code) . '" ' . $session_condition . ' LIMIT 1 ) AND
                 user_id=' . intval($user_id);
     $rs = Database::query($sql);
     if (Database::num_rows($rs) > 0) {
         $row = Database::fetch_array($rs, 'ASSOC');
         $score = $row['score_certificate'];
         $category_id = $row['cat_id'];
         $cat = Category::load($category_id);
         $displayscore = ScoreDisplay::instance();
         if (isset($cat) && $displayscore->is_custom()) {
             $grade = $displayscore->display_score(array($score, $cat[0]->get_weight()), SCORE_DIV_PERCENT_WITH_CUSTOM);
         } else {
             $grade = $displayscore->display_score(array($score, $cat[0]->get_weight()));
         }
         $row['grade'] = $grade;
         return $row;
     }
     return false;
 }

 function sort_by_mask($item1, $item2)
 {
     $score1 = isset($item1['score']) ? array($item1['score'], $this->evaluation->get_max()) : null;
     $score2 = isset($item2['score']) ? array($item2['score'], $this->evaluation->get_max()) : null;
     return ScoreDisplay::compare_scores_by_custom_display($score1, $score2);
 }

    /**
     * @param $form_name
     * @param null $action
     */
    public function __construct($form_name, $action = null)
    {
        parent::__construct($form_name, 'post', $action);
        $displayscore = ScoreDisplay::instance();
        $customdisplays = $displayscore->get_custom_score_display_settings();
        $nr_items = count($customdisplays) != '0' ? count($customdisplays) : '1';
        $this->setDefaults(array('scorecolpercent' => $displayscore->get_color_split_value()));
        $this->addElement('hidden', 'maxvalue', '100');
        $this->addElement('hidden', 'minvalue', '0');
        $counter = 1;
        //setting the default values
        if (is_array($customdisplays)) {
            foreach ($customdisplays as $customdisplay) {
                $this->setDefaults(array('endscore[' . $counter . ']' => $customdisplay['score'], 'displaytext[' . $counter . ']' => $customdisplay['display']));
                $counter++;
            }
        }
        $scorecol = array();
        //settings for the colored score
        $this->addElement('header', get_lang('ScoreEdit'));
        if ($displayscore->is_coloring_enabled()) {
            $this->addElement('html', '<b>' . get_lang('ScoreColor') . '</b>');
            $this->addElement('text', 'scorecolpercent', array(get_lang('Below'), get_lang('WillColorRed'), '%'), array('size' => 5, 'maxlength' => 5, 'input-size' => 2));
            if (api_get_setting('gradebook.teachers_can_change_score_settings') != 'true') {
                $this->freeze('scorecolpercent');
            }
            $this->addRule('scorecolpercent', get_lang('OnlyNumbers'), 'numeric');
            $this->addRule(array('scorecolpercent', 'maxvalue'), get_lang('Over100'), 'compare', '<=');
            $this->addRule(array('scorecolpercent', 'minvalue'), get_lang('UnderMin'), 'compare', '>');
        }
        //Settings for the scoring system
        if ($displayscore->is_custom()) {
            $this->addElement('html', '<br /><b>' . get_lang('ScoringSystem') . '</b>');
            $this->addElement('static', null, null, get_lang('ScoreInfo'));
            $this->setDefaults(array('beginscore' => '0'));
            $this->addElement('text', 'beginscore', array(get_lang('Between'), null, '%'), array('size' => 5, 'maxlength' => 5, 'disabled' => 'disabled', 'input-size' => 2));
            for ($counter = 1; $counter <= 20; $counter++) {
                $renderer =& $this->defaultRenderer();
                $elementTemplateTwoLabel = '<div id=' . $counter . ' style="display: ' . ($counter <= $nr_items ? 'inline' : 'none') . ';">

				<!-- BEGIN required --><span class="form_required">*</span> <!-- END required -->

                <label class="control-label">{label}</label>
				<div class="form-group">
				<label class="col-sm-2 control-label">
                </label>

				<div class="col-sm-1">
				<!-- BEGIN error --><span class="form_error">{error}</span><br />
				<!-- END error -->&nbsp<b>' . get_lang('And') . '</b>
				</div>

				<div class="col-sm-2">
				{element}
				</div>

				<div class="col-sm-1">
				=
				</div>


				';
                $elementTemplateTwoLabel2 = '
				<div class="col-sm-2">
					<!-- BEGIN error --><span class="form_error">{error}</span>
					<!-- END error -->
					{element}
				</div>
				<div class="col-sm-1">
                    <a href="javascript:plusItem(' . ($counter + 1) . ')">
                    <img style="display: ' . ($counter >= $nr_items ? 'inline' : 'none') . ';" id="plus-' . ($counter + 1) . '" src="' . Display::returnIconPath('add.png') . '" alt="' . get_lang('Add') . '" title="' . get_lang('Add') . '"></a>
        			<a href="javascript:minItem(' . $counter . ')">
        			<img style="display: ' . ($counter >= $nr_items && $counter != 1 ? 'inline' : 'none') . ';" id="min-' . $counter . '" src="' . Display::returnIconPath('delete.png') . '" alt="' . get_lang('Delete') . '" title="' . get_lang('Delete') . '"></a>
				</div>
				</div>
				</div>';
                $scorebetw = array();
                $this->addElement('text', 'endscore[' . $counter . ']', null, array('size' => 5, 'maxlength' => 5, 'id' => 'txta-' . $counter, 'input-size' => 2));
                $this->addElement('text', 'displaytext[' . $counter . ']', null, array('size' => 40, 'maxlength' => 40, 'id' => 'txtb-' . $counter));
                $renderer->setElementTemplate($elementTemplateTwoLabel, 'endscore[' . $counter . ']');
                $renderer->setElementTemplate($elementTemplateTwoLabel2, 'displaytext[' . $counter . ']');
                $this->addRule('endscore[' . $counter . ']', get_lang('OnlyNumbers'), 'numeric');
                $this->addRule(array('endscore[' . $counter . ']', 'maxvalue'), get_lang('Over100'), 'compare', '<=');
                $this->addRule(array('endscore[' . $counter . ']', 'minvalue'), get_lang('UnderMin'), 'compare', '>');
            }
        }
        if ($displayscore->is_custom()) {
            $this->addButtonSave(get_lang('Ok'));
        }
    }

 public function get_data_to_graph2()
 {
     // do some checks on users/items counts, redefine if invalid values
     $usertable = array();
     foreach ($this->users as $user) {
         $usertable[] = $user;
     }
     // sort users array
     usort($usertable, array('FlatViewDataGenerator', 'sort_by_first_name'));
     // generate actual data array
     $scoredisplay = ScoreDisplay::instance();
     $data = array();
     $displaytype = SCORE_DIV;
     $selected_users = $usertable;
     foreach ($selected_users as $user) {
         $row = array();
         $row[] = $user[0];
         // user id
         $item_value = 0;
         $item_total = 0;
         for ($count = 0; $count < count($this->evals_links); $count++) {
             $item = $this->evals_links[$count];
             $score = $item->calc_score($user[0]);
             $divide = $score[1] == 0 ? 1 : $score[1];
             $item_value += $score[0] / $divide * $item->get_weight();
             $item_total += $item->get_weight();
             $score_denom = $score[1] == 0 ? 1 : $score[1];
             $score_final = $score[0] / $score_denom * 100;
             $row[] = array($score_final, trim($scoredisplay->display_score($score, SCORE_CUSTOM, null, true)));
         }
         $total_score = array($item_value, $item_total);
         $score_final = $item_value / $item_total * 100;
         $row[] = array($score_final, trim($scoredisplay->display_score($total_score, SCORE_CUSTOM, null, true)));
         $data[] = $row;
     }
     return $data;
 }

 /**
  *  Generates an HTML Certificate and fills the path_certificate field in the DB
  **/
 public function generate($params = array())
 {
     //The user directory should be set
     if (empty($this->certification_user_path) && $this->force_certificate_generation == false) {
         return false;
     }
     require_once api_get_path(SYS_CODE_PATH) . 'gradebook/lib/be.inc.php';
     require_once api_get_path(SYS_CODE_PATH) . 'gradebook/lib/gradebook_functions.inc.php';
     require_once api_get_path(SYS_CODE_PATH) . 'gradebook/lib/scoredisplay.class.php';
     $params['hide_print_button'] = isset($params['hide_print_button']) ? true : false;
     $my_category = Category::load($this->certificate_data['cat_id']);
     if (isset($my_category[0]) && $my_category[0]->is_certificate_available($this->user_id)) {
         $user = api_get_user_info($this->user_id);
         $scoredisplay = ScoreDisplay::instance();
         $scorecourse = $my_category[0]->calc_score($this->user_id);
         $scorecourse_display = isset($scorecourse) ? $scoredisplay->display_score($scorecourse, SCORE_AVERAGE) : get_lang('NoResultsAvailable');
         // Prepare all necessary variables:
         $organization_name = api_get_setting('Institution');
         //$portal_name         = api_get_setting('siteName');
         $stud_fn = $user['firstname'];
         $stud_ln = $user['lastname'];
         //@todo this code is not needed
         $certif_text = sprintf(get_lang('CertificateWCertifiesStudentXFinishedCourseYWithGradeZ'), $organization_name, $stud_fn . ' ' . $stud_ln, $my_category[0]->get_name(), $scorecourse_display);
         $certif_text = str_replace("\\n", "\n", $certif_text);
         //If the gradebook is related to skills we added the skills to the user
         $skill = new Skill();
         $skill->add_skill_to_user($this->user_id, $this->certificate_data['cat_id']);
         if (is_dir($this->certification_user_path)) {
             if (!empty($this->certificate_data)) {
                 $new_content_html = get_user_certificate_content($this->user_id, $my_category[0]->get_course_code(), false, $params['hide_print_button']);
                 if ($my_category[0]->get_id() == strval(intval($this->certificate_data['cat_id']))) {
                     $name = $this->certificate_data['path_certificate'];
                     $my_path_certificate = $this->certification_user_path . basename($name);
                     if (file_exists($my_path_certificate) && !empty($name) && !is_dir($my_path_certificate) && $this->force_certificate_generation == false) {
                         //Seems that the file was already generated
                         return true;
                     } else {
                         // Creating new name
                         $name = md5($this->user_id . $this->certificate_data['cat_id']) . '.html';
                         $my_path_certificate = $this->certification_user_path . $name;
                         $path_certificate = '/' . $name;
                         //Getting QR filename
                         $file_info = pathinfo($path_certificate);
                         $qr_code_filename = $this->certification_user_path . $file_info['filename'] . '_qr.png';
                         $my_new_content_html = str_replace('((certificate_barcode))', Display::img($this->certification_web_user_path . $file_info['filename'] . '_qr.png', 'QR'), $new_content_html['content']);
                         $my_new_content_html = mb_convert_encoding($my_new_content_html, 'UTF-8', api_get_system_encoding());
                         $result = @file_put_contents($my_path_certificate, $my_new_content_html);
                         if ($result) {
                             //Updating the path
                             self::update_user_info_about_certificate($this->certificate_data['cat_id'], $this->user_id, $path_certificate);
                             $this->certificate_data['path_certificate'] = $path_certificate;
                             if ($this->html_file_is_generated()) {
                                 if (!empty($file_info)) {
                                     $text = $this->parse_certificate_variables($new_content_html['variables']);
                                     $this->generate_qr($text, $qr_code_filename);
                                 }
                             }
                         }
                         return $result;
                     }
                 }
             }
         }
     }
     return false;
 }