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436 lines
17 KiB
436 lines
17 KiB
<?php
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/* For licensing terms, see /license.txt */
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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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set_time_limit(0);
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/**
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* Class FlatViewTable
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* Table to display flat view (all evaluations and links for all students)
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* @author Stijn Konings
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* @author Bert Steppé - (refactored, optimised)
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* @author Julio Montoya Armas - Gradebook Graphics
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*
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* @package chamilo.gradebook
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*/
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class FlatViewTable extends SortableTable
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{
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public $datagen;
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private $selectcat;
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private $limit_enabled;
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private $offset;
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private $mainCourseCategory;
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/**
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* @param Category $selectcat
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* @param array $users
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* @param array $evals
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* @param array $links
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* @param bool $limit_enabled
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* @param int $offset
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* @param null $addparams
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* @param Category $mainCourseCategory
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*/
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public function FlatViewTable(
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$selectcat,
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$users = array(),
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$evals = array(),
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$links = array(),
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$limit_enabled = false,
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$offset = 0,
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$addparams = null,
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$mainCourseCategory = null
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) {
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parent :: __construct('flatviewlist', null, null, (api_is_western_name_order() xor api_sort_by_first_name()) ? 1 : 0);
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$this->selectcat = $selectcat;
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$this->datagen = new FlatViewDataGenerator(
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$users,
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$evals,
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$links,
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array('only_subcat' => $this->selectcat->get_id()),
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$mainCourseCategory
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);
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$this->limit_enabled = $limit_enabled;
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$this->offset = $offset;
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if (isset($addparams)) {
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$this->set_additional_parameters($addparams);
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}
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// step 2: generate rows: students
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$this->datagen->category = $this->selectcat;
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$this->mainCourseCategory = $mainCourseCategory;
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}
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/**
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* @param bool $value
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*/
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public function setLimitEnabled($value)
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{
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$this->limit_enabled = (bool) $value;
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}
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/**
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* @return Category
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*/
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public function getMainCourseCategory()
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{
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return $this->mainCourseCategory;
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}
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/**
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*
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*/
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public function display_graph_by_resource()
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{
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$headerName = $this->datagen->get_header_names();
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$total_users = $this->datagen->get_total_users_count();
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if ($this->datagen->get_total_items_count() > 0 && $total_users > 0) {
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//Removing first name
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array_shift($headerName);
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//Removing last name
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array_shift($headerName);
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$displayscore = ScoreDisplay::instance();
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$customdisplays = $displayscore->get_custom_score_display_settings();
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if (is_array($customdisplays) && count(($customdisplays))) {
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$user_results = $this->datagen->get_data_to_graph2(false);
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$pre_result = $new_result = array();
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foreach ($user_results as $result) {
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for ($i = 0; $i < count($headerName); $i++) {
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$pre_result[$i + 3][] = $result[$i + 1];
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}
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}
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$i = 0;
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$show_draw = false;
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$resource_list = array();
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$pre_result2 = array();
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foreach ($pre_result as $key => $res_array) {
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rsort($res_array);
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$pre_result2[] = $res_array;
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}
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//@todo when a display custom does not exist the order of the color does not match
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//filling all the answer that are not responded with 0
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rsort($customdisplays);
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if ($total_users > 0) {
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foreach ($pre_result2 as $key => $res_array) {
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$key_list = array();
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foreach ($res_array as $user_result) {
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$resource_list[$key][$user_result[1]] += 1;
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$key_list[] = $user_result[1];
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}
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foreach ($customdisplays as $display) {
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if (!in_array($display['display'], $key_list))
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$resource_list[$key][$display['display']] = 0;
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}
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$i++;
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}
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}
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//fixing $resource_list
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$max = 0;
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$new_list = array();
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foreach ($resource_list as $key => $value) {
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$new_value = array();
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foreach ($customdisplays as $item) {
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if ($value[$item['display']] > $max) {
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$max = $value[$item['display']];
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}
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$new_value[$item['display']] = strip_tags($value[$item['display']]);
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}
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$new_list[] = $new_value;
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}
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$resource_list = $new_list;
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$i = 1;
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foreach ($resource_list as $key => $resource) {
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// Reverse array, otherwise we get highest values first
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$resource = array_reverse($resource, true);
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$dataSet = new pData();
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$dataSet->addPoints($resource, 'Serie');
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$dataSet->addPoints(array_keys($resource), 'Labels');
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$dataSet->setSerieDescription('Labels', strip_tags($headerName[$i - 1]));
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$dataSet->setAbscissa('Labels');
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$dataSet->setAbscissaName(get_lang('GradebookSkillsRanking'));
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$dataSet->setAxisName(0, get_lang('Students'));
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$palette = array(
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'0' => array('R' => 186, 'G' => 206, 'B' => 151, 'Alpha' => 100),
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'1' => array('R' => 210, 'G' => 148, 'B' => 147, 'Alpha' => 100),
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'2' => array('R' => 148, 'G' => 170, 'B' => 208, 'Alpha' => 100),
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'3' => array('R' => 221, 'G' => 133, 'B' => 61, 'Alpha' => 100),
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'4' => array('R' => 65, 'G' => 153, 'B' => 176, 'Alpha' => 100),
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'5' => array('R' => 114, 'G' => 88, 'B' => 144, 'Alpha' => 100),
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'6' => array('R' => 138, 'G' => 166, 'B' => 78, 'Alpha' => 100),
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'7' => array('R' => 171, 'G' => 70, 'B' => 67, 'Alpha' => 100),
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'8' => array('R' => 69, 'G' => 115, 'B' => 168, 'Alpha' => 100),
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);
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// Cache definition
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$cachePath = api_get_path(SYS_ARCHIVE_PATH);
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$myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
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$chartHash = $myCache->getHash($dataSet);
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if ($myCache->isInCache($chartHash)) {
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$imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
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$myCache->saveFromCache($chartHash, $imgPath);
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$imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
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} else {
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/* Create the pChart object */
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$widthSize = 480;
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$heightSize = 250;
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$myPicture = new pImage($widthSize, $heightSize, $dataSet);
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/* Turn of Antialiasing */
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$myPicture->Antialias = false;
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/* Add a border to the picture */
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$myPicture->drawRectangle(
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0,
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0,
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$widthSize - 1,
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$heightSize - 1,
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array(
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'R' => 0,
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'G' => 0,
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'B' => 0
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)
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);
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/* Set the default font */
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$myPicture->setFontProperties(
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array(
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'FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
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'FontSize' => 10
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)
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);
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/* Write the chart title */
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$myPicture->drawText(
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250,
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30,
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strip_tags($headerName[$i - 1]),
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array(
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'FontSize' => 12,
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'Align' => TEXT_ALIGN_BOTTOMMIDDLE
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)
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);
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/* Define the chart area */
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$myPicture->setGraphArea(50, 40, $widthSize - 20, $heightSize - 50);
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/* Draw the scale */
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$scaleSettings = array(
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'GridR' => 200,
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'GridG' => 200,
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'GridB' => 200,
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'DrawSubTicks' => true,
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'CycleBackground' => true,
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'Mode' => SCALE_MODE_START0
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);
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$myPicture->drawScale($scaleSettings);
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/* Turn on shadow computing */
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$myPicture->setShadow(
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true,
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array(
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'X' => 1,
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'Y' => 1,
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'R' => 0,
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'G' => 0,
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'B' => 0,
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'Alpha' => 10
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)
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);
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/* Draw the chart */
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$myPicture->setShadow(
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true,
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array(
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'X' => 1,
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'Y' => 1,
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'R' => 0,
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'G' => 0,
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'B' => 0,
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'Alpha' => 10
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)
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);
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$settings = array(
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'OverrideColors' => $palette,
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'Gradient' => false,
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'GradientMode' => GRADIENT_SIMPLE,
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'DisplayPos' => LABEL_POS_TOP,
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'DisplayValues' => true,
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'DisplayR' => 0,
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'DisplayG' => 0,
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'DisplayB' => 0,
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'DisplayShadow' => true,
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'Surrounding' => 10,
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);
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$myPicture->drawBarChart($settings);
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/* Render the picture (choose the best way) */
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$myCache->writeToCache($chartHash, $myPicture);
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$imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
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$myCache->saveFromCache($chartHash, $imgPath);
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$imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
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}
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echo '<img src="' . $imgPath . '" >';
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if ($i % 2 == 0 && $i != 0) {
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echo '<br /><br />';
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} else {
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echo ' ';
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}
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$i++;
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}
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} //end foreach
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} else {
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echo get_lang('ToViewGraphScoreRuleMustBeEnabled');
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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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public function get_total_number_of_items()
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{
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return $this->datagen->get_total_users_count();
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}
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/**
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* Function used by SortableTable to generate the data to display
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*/
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public function get_table_data($from = 1, $per_page = null, $column = null, $direction = null, $sort = null)
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{
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$is_western_name_order = api_is_western_name_order();
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// create page navigation if needed
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$totalitems = $this->datagen->get_total_items_count();
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if ($this->limit_enabled && $totalitems > LIMIT) {
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$selectlimit = LIMIT;
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} else {
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$selectlimit = $totalitems;
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}
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$header = null;
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if ($this->limit_enabled && $totalitems > LIMIT) {
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$header .= '<table style="width: 100%; text-align: right; margin-left: auto; margin-right: auto;" border="0" cellpadding="2">'
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. '<tbody>'
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. '<tr>';
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// previous X
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$header .= '<td style="width:100%;">';
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if ($this->offset >= LIMIT) {
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$header .= '<a href="' . api_get_self()
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. '?selectcat=' . Security::remove_XSS($_GET['selectcat'])
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. '&offset=' . (($this->offset) - LIMIT)
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. (isset($_GET['search']) ? '&search=' . Security::remove_XSS($_GET['search']) : '') . '">'
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. Display::return_icon('action_prev.png', get_lang('PreviousPage'), array(), 32)
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. '</a>';
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} else {
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$header .= Display::return_icon('action_prev_na.png', get_lang('PreviousPage'), array(), 32);
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}
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$header .= ' ';
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// next X
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$calcnext = (($this->offset + (2 * LIMIT)) > $totalitems) ?
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($totalitems - (LIMIT + $this->offset)) : LIMIT;
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if ($calcnext > 0) {
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$header .= '<a href="' . api_get_self()
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. '?selectcat=' . Security::remove_XSS($_GET['selectcat'])
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. '&offset=' . ($this->offset + LIMIT)
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. (isset($_GET['search']) ? '&search=' . Security::remove_XSS($_GET['search']) : '') . '">'
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. Display::return_icon('action_next.png', get_lang('NextPage'), array(), 32)
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. '</a>';
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} else {
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$header .= Display::return_icon('action_next_na.png', get_lang('NextPage'), array(), 32);
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}
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$header .= '</td>';
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$header .= '</tbody></table>';
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echo $header;
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}
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// retrieve sorting type
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if ($is_western_name_order) {
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$users_sorting = ($this->column == 0 ? FlatViewDataGenerator :: FVDG_SORT_FIRSTNAME : FlatViewDataGenerator :: FVDG_SORT_LASTNAME);
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} else {
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$users_sorting = ($this->column == 0 ? FlatViewDataGenerator :: FVDG_SORT_LASTNAME : FlatViewDataGenerator :: FVDG_SORT_FIRSTNAME);
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}
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if ($this->direction == 'DESC') {
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$users_sorting |= FlatViewDataGenerator :: FVDG_SORT_DESC;
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} else {
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$users_sorting |= FlatViewDataGenerator :: FVDG_SORT_ASC;
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}
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// step 1: generate columns: evaluations and links
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$header_names = $this->datagen->get_header_names($this->offset, $selectlimit);
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$column = 0;
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if ($is_western_name_order) {
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$this->set_header($column++, $header_names[1]);
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$this->set_header($column++, $header_names[0]);
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} else {
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$this->set_header($column++, $header_names[0]);
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$this->set_header($column++, $header_names[1]);
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}
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while ($column < count($header_names)) {
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$this->set_header($column, $header_names[$column], false);
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$column++;
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}
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$data_array = $this->datagen->get_data(
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$users_sorting,
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$from,
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$this->per_page,
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$this->offset,
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$selectlimit
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);
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$table_data = array();
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foreach ($data_array as $user_row) {
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$table_row = array();
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$count = 0;
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$user_id = $user_row[$count++];
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$lastname = $user_row[$count++];
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$firstname = $user_row[$count++];
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if ($is_western_name_order) {
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$table_row[] = $this->build_name_link($user_id, $firstname);
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$table_row[] = $this->build_name_link($user_id, $lastname);
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} else {
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$table_row[] = $this->build_name_link($user_id, $lastname);
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$table_row[] = $this->build_name_link($user_id, $firstname);
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}
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while ($count < count($user_row)) {
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$table_row[] = $user_row[$count++];
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}
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$table_data[] = $table_row;
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}
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return $table_data;
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}
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/**
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* @param $user_id
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* @param $name
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*
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* @return string
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*/
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private function build_name_link($user_id, $name)
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{
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return '<a href="user_stats.php?userid=' . $user_id . '&selectcat=' . $this->selectcat->get_id() . '&'.api_get_cidreq().'">' . $name . '</a>';
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}
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}
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