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<?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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define ('LIMIT',10);
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/**
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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 Stepp<EFBFBD> (refactored, optimised)
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* @author Julio Montoya Armas Gradebook Graphics
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*/
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class FlatViewTable extends SortableTable
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{
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private $selectcat;
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private $datagen;
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private $limit_enabled;
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private $offset;
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/**
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* Constructor
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*/
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function FlatViewTable ($selectcat, $users= array (), $evals= array (), $links= array (), $limit_enabled = false, $offset = 0, $addparams = null) {
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parent :: __construct ('flatviewlist', null, null, (api_is_western_name_order() xor api_sort_by_first_name()) ? 1 : 0);
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$this->datagen = new FlatViewDataGenerator($users, $evals, $links);
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$this->selectcat = $selectcat;
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$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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}
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/**
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* Display the graph of the total results of all students
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* */
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function display_graph()
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{
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include_once(api_get_path(LIBRARY_PATH).'pchart/pData.class.php');
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include_once(api_get_path(LIBRARY_PATH).'pchart/pChart.class.php');
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include_once(api_get_path(LIBRARY_PATH).'pchart/pCache.class.php');
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//echo '<pre>';
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$header_name = $this->datagen->get_header_names();
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$total_users = $this->datagen->get_total_users_count();
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$img_file = '';
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if ($this->datagen->get_total_items_count()>0 && $total_users > 0 ) {
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array_shift($header_name);
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array_shift($header_name);
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array_pop($header_name);
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$user_results = ($this->datagen->get_data_to_graph());
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$pre_result = $new_result = array();
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$DataSet = new pData;
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//filling the Dataset
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foreach($user_results as $result) {
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for($i=0; $i< count($header_name); $i++) {
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$pre_result[$i+3]+=$result[$i+1];
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}
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}
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$i=1;
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$show_draw = false;
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if ($total_users>0) {
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foreach($pre_result as $res) {
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$total = $res / ($total_users*100);
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if ($total != 0)
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$show_draw = true;
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$DataSet->AddPoint($total,"Serie".$i);
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$DataSet->SetSerieName($header_name[$i-1],"Serie".$i);
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// Dataset definition
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$DataSet->AddAllSeries();
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$DataSet->SetAbsciseLabelSerie();
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$i++;
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}
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}
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//print_r($pre_result); print_r($header_name);
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// Cache definition
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$Cache = new pCache();
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// the graph id
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$gradebook_id = intval($_GET['selectcat']);
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$graph_id = api_get_user_id().'AverageResultsVsResource'.$gradebook_id.api_get_course_id();
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$data = $DataSet->GetData();
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if ($show_draw) {
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if ($Cache->IsInCache($graph_id, $DataSet->GetData())) {
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//if (0) {
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//if we already created the img
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//echo 'in cache';
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$img_file = $Cache->GetHash($graph_id,$DataSet->GetData());
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} else {
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// if the image does not exist in the archive/ folder
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// Initialise the graph
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$Test = new pChart(760,360);
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//which schema of color will be used
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$quant_resources = count($data[0])-1;
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// Adding the color schemma
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if ($quant_resources < 8) {
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$Test->loadColorPalette(api_get_path(LIBRARY_PATH)."pchart/palette/reduced.txt");
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} else {
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$Test->loadColorPalette(api_get_path(LIBRARY_PATH)."pchart/palette/default.txt");
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}
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// set font of the axes
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$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",8);
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$Test->setGraphArea(50,30,610,300);
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$Test->drawFilledRoundedRectangle(7,7,780,330,5,240,240,240);
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//$Test->drawRoundedRectangle(5,5,790,330,5,230,230,230);
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//background color area & stripe or not
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$Test->drawGraphArea(255,255,255,TRUE);
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$Test->drawScale($DataSet->GetData(),$DataSet->GetDataDescription(),SCALE_START0,150,150,150,TRUE,0,1, FALSE);
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//background grid
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$Test->drawGrid(4,TRUE,230,230,230,50);
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// Draw the 0 line
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//$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",6);
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//$Test->drawTreshold(0,143,55,72,TRUE,TRUE);
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// Draw the bar graph
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$Test->drawBarGraph($DataSet->GetData(),$DataSet->GetDataDescription(),TRUE);
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//Set legend properties: width, height and text color and font
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$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",9);
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$Test->drawLegend(620, 70,$DataSet->GetDataDescription(),255,255,255);
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//Set title properties
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$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",10);
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$Test->drawTitle(50,22,get_lang('AverageResultsVsResource'),50,50,80,620);
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//------------------
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//echo 'not in cache';
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$Cache->WriteToCache($graph_id,$DataSet->GetData(),$Test);
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ob_start();
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$Test->Stroke();
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ob_end_clean();
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$img_file = $Cache->GetHash($graph_id,$DataSet->GetData());
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}
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}
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}
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return api_get_path(WEB_ARCHIVE_PATH).$img_file;
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//return '<div id="imageloaded" style="float:center;"><img src="'.api_get_path(WEB_ARCHIVE_PATH).$img_file_generated_name.'" ></div>';
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}
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function display_graph_by_resource()
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{
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include_once(api_get_path(LIBRARY_PATH).'pchart/pData.class.php');
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include_once(api_get_path(LIBRARY_PATH).'pchart/pChart.class.php');
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include_once(api_get_path(LIBRARY_PATH).'pchart/pCache.class.php');
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$header_name = $this->datagen->get_header_names();
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$total_users = $this->datagen->get_total_users_count();
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$img_file = '';
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if ($this->datagen->get_total_items_count()>0 && $total_users > 0 ) {
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array_shift($header_name);
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array_shift($header_name);
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$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 = ($this->datagen->get_data_to_graph2());
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$pre_result = $new_result = array();
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$DataSet = new pData;
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//filling the Dataset
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foreach($user_results as $result) {
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//print_r($result);
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for($i=0; $i< count($header_name); $i++) {
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$pre_result[$i+3][]=$result[$i+1];
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$pre_result_pie[$i+3][] = $result[$i+1][0];
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}
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}
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/*$display_list = array();
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foreach( $customdisplays as $display) {
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$display_list[] = $display['display'];
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} */
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$i=0;
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$show_draw = false;
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$resource_list = array();
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$pre_result2 = array();
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//print_r($pre_result); exit;
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foreach($pre_result as $key=>$res_array) {
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rsort($res_array);
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$pre_result2[] = $res_array;
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}
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//print_r($pre_result2);
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if ($total_users>0) {
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foreach($pre_result2 as $key=>$res_array) {
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//$resource_list
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//$total = $res / ($total_users*100);
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// mayor a menor
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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[] = $user_result[1];
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}
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//@todo when a display custom does not exist the order of the color does not match
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//filling all the answer that are not responded with 0
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foreach($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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$i++;
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}
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}
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//print_r($customdisplays);
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//print_r($resource_list); exit;
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$i = 1;
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$j = 0;
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// here-----------------------------------
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//print_r($resource_list);
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foreach($resource_list as $key=>$resource) {
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$new_resource_list = $new_resource_list_name = array();
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$DataSet = new pData;
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foreach($resource as $name=>$cant) {
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//$new_resource_list[]=$cant;
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//$new_resource_list_name[]=$name;
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$DataSet->AddPoint($cant,"Serie".$j);
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$DataSet->SetSerieName(strip_tags($name),"Serie".$j);
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$j++;
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}
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//print_r($pre_result); print_r($header_name);
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// Dataset definition
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$DataSet->AddAllSeries();
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$DataSet->SetAbsciseLabelSerie('');
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$DataSet->SetXAxisName(get_lang('GradebookSkillsRanking'));
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$DataSet->SetYAxisName(get_lang('Students'));
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$show_draw = true;
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// Cache definition
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$Cache = new pCache();
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// the graph id
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$gradebook_id = intval($_GET['selectcat']);
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$graph_id = api_get_user_id().'ByResource'.$gradebook_id.api_get_course_id();
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if ($show_draw) {
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if ($Cache->IsInCache($graph_id, $DataSet->GetData())) {
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//if (0) {
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//if we already created the img we get the img file id
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//echo 'in cache';
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$img_file = $Cache->GetHash($graph_id,$DataSet->GetData());
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} else {
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// if the image does not exist in the archive/ folder
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// Initialise the graph
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$chart_size_w= 480;
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$chart_size_h= 250;
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$Test = new pChart($chart_size_w,$chart_size_h);
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// Adding the color schemma
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$Test->loadColorPalette(api_get_path(LIBRARY_PATH)."pchart/palette/hard_blue.txt");
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// set font of the axes
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$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",8);
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$area_graph_w = $chart_size_w-130;
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$Test->setGraphArea(50,30,$area_graph_w ,$chart_size_h-50);
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$Test->drawFilledRoundedRectangle(5,5,$chart_size_w-1,$chart_size_h-20,5,240,240,240);
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//$Test->drawRoundedRectangle(5,5,790,330,5,230,230,230);
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//background color area & stripe or not
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$Test->drawGraphArea(255,255,255,TRUE);
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//print_r($DataSet->GetData());
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$Test->drawScale($DataSet->GetData(),$DataSet->GetDataDescription(),SCALE_START0,150,150,150,TRUE,0,1, FALSE);
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//background grid
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$Test->drawGrid(4,TRUE,230,230,230,50);
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// Draw the 0 line
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//$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",6);
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//$Test->drawTreshold(0,143,55,72,TRUE,TRUE);
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// Draw the bar graph
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$Test->drawBarGraph($DataSet->GetData(),$DataSet->GetDataDescription(),TRUE);
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//Set legend properties: width, height and text color and font
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$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",9);
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$Test->drawLegend($area_graph_w+10, 70,$DataSet->GetDataDescription(),255,255,255);
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//Set title properties
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$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",10);
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$Test->drawTitle(50,22,$header_name[$i-1],50,50,80,$chart_size_w-50);
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//------------------
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//echo 'not in cache';
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$Cache->WriteToCache($graph_id,$DataSet->GetData(),$Test);
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ob_start();
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$Test->Stroke();
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ob_end_clean();
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$img_file = $Cache->GetHash($graph_id,$DataSet->GetData());
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}
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echo '<img src="'.api_get_path(WEB_ARCHIVE_PATH).$img_file.'" >';
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if ($i % 2 == 0 && $i!=0) {
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echo '<br>';
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}
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$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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// Pie charts
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/*
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$show_draw = false;
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$resource_list = array();
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//print_r($pre_result_pie);
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if ($total_users>0) {
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foreach($pre_result_pie as $key=>$res_array) {
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//$resource_list
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foreach($res_array as $user_result) {
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$total+= $user_result / ($total_users*100);
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}
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echo $total;
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//echo $total = $res / ($total_users*100);
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echo '<br>';
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//$DataSet->AddPoint($total,"Serie".$i);
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//$DataSet->SetSerieName($header_name[$i-1],"Serie".$i);
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}
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}
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//here--------------
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foreach($resource_list as $key=>$resource) {
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$new_resource_list = $new_resource_list_name = array();
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foreach($resource as $name=>$cant) {
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$new_resource_list[]=$cant;
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$new_resource_list_name[]=$name;
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}
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//Pie chart
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$DataSet = new pData;
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$DataSet->AddPoint($new_resource_list,"Serie1");
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$DataSet->AddPoint($new_resource_list_name,"Serie2");
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$DataSet->AddAllSeries();
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$DataSet->SetAbsciseLabelSerie("Serie2");
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$Test = new pChart(400,300);
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$Test->loadColorPalette(api_get_path(LIBRARY_PATH)."pchart/palette/soft_tones.txt");
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// background
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//$Test->drawFilledRoundedRectangle(7,7,293,193,5,240,240,240);
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// border color
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$Test->drawRoundedRectangle(5,5,295,195,5,230,230,230);
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// This will draw a shadow under the pie chart
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//$Test->drawFilledCircle(122,102,70,200,200,200);
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//Draw the pie chart
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$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",8);
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$Test->drawBarGraph($DataSet->GetData(),$DataSet->GetDataDescription(),TRUE);
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$tmp_path = api_get_path(SYS_ARCHIVE_PATH);
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$Test->drawBasicPieGraph($DataSet->GetData(),$DataSet->GetDataDescription(),120,100,70,PIE_PERCENTAGE,255,255,218);
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$Test->drawPieLegend(230,15,$DataSet->GetData(),$DataSet->GetDataDescription(),250,250,250);
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$user_id = api_get_user_id();
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$img_file_generated_name = $key.uniqid('').'gradebook.png';
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$Test->Render($tmp_path.$img_file_generated_name);
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chmod($tmp_path.$img_file_generated_name, api_get_permissions_for_new_files());
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if ($i % 2 == 0 && $i!= 0) {
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echo '<br>';
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}
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echo '<img src="'.api_get_path(WEB_ARCHIVE_PATH).$img_file_generated_name.'">';
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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 $this->datagen->get_total_users_count();
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}
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/**
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* Function used by SortableTable to generate the data to display
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*/
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function get_table_data ($from = 1) {
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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 = $totalitems;
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}
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if ($this->limit_enabled && $totalitems > LIMIT) {
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$calcprevious = LIMIT;
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$header .= '<div class="normal-message">'
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.'<table style="width: 100%; text-align: left; margin-left: auto; margin-right: auto;" border="0" cellpadding="2">'
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.'<tbody>'
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.'<tr>';
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// previous X
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$header .= '<td style="width:40%;">';
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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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.'<img src="../img/lp_leftarrow.gif" alt="'.get_lang('Previous').'/" />'
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.get_lang('Previous').' '.$calcprevious . ' ' . get_lang('Evaluations')
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.'</a>';
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} else {
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$header .= '<img src="../img/lp_leftarrow.gif" alt="'.get_lang('Previous').' ' . get_lang('Evaluations').'/" />'.get_lang('Previous').' ' . get_lang('Evaluations');
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}
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$header .= '</td>';
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// 'glue'
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$header .= '<td style="width:20%;"></td>';
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// next X
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$calcnext = (($this->offset+(2*LIMIT)) > $totalitems) ?
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($totalitems-(LIMIT+$this->offset)) : LIMIT;
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$header .= '<td style="text-align: right; width: 40%;">';
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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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.get_lang('Next').' '.$calcnext . ' '.get_lang('Evaluations')
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.'<img src="../img/lp_rightarrow.gif" alt="'.get_lang('Next').'/" />'
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.'</a>';
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} else {
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$header .= get_lang('Next').' '.get_lang('Evaluations').'<img src="../img/lp_rightarrow.gif" alt="'.get_lang('Next').'/" />';
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}
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$header .= '</td>';
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$header .= '</tr></tbody></table></div>';
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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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$column++;
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}
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//$this->set_header($column++, get_lang('Total'));
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// step 2: generate rows: students
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$data_array = $this->datagen->get_data($users_sorting, $from, $this->per_page, $this->offset, $selectlimit);
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$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 $table_data;
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}
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// Other functions
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private function build_name_link ($user_id, $name) {
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return '<a href="user_stats.php?userid='.$user_id.'&selectcat='.$this->selectcat->get_id().'">'.$name.'</a>';
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}
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} |
