[svn r19042] added : Chart in the access details by user see FS#3805

main/gradebook/lib/fe/flatviewtable.class.php

@@ -139,7 +139,7 @@ class FlatViewTable extends SortableTable
 					
 					//background color area & stripe or not					
 					$Test->drawGraphArea(255,255,255,TRUE);		
-					$Test->drawScale($DataSet->GetData(),$DataSet->GetDataDescription(),SCALE_NORMAL,150,150,150,TRUE,0,1, FALSE);
+					$Test->drawScale($DataSet->GetData(),$DataSet->GetDataDescription(),SCALE_START0,150,150,150,TRUE,0,1, FALSE);
 					
 					//background grid     
 					$Test->drawGrid(4,TRUE,230,230,230,50);  
@@ -293,7 +293,7 @@ class FlatViewTable extends SortableTable
 							//background color area & stripe or not					
 							$Test->drawGraphArea(255,255,255,TRUE);
 							//print_r($DataSet->GetData());						
-							$Test->drawScale($DataSet->GetData(),$DataSet->GetDataDescription(),SCALE_NORMAL,150,150,150,TRUE,0,1, FALSE);
+							$Test->drawScale($DataSet->GetData(),$DataSet->GetDataDescription(),SCALE_START0,150,150,150,TRUE,0,1, FALSE);
 							
 							//background grid     
 							$Test->drawGrid(4,TRUE,230,230,230,50);  

main/mySpace/access_details.php

@@ -4,8 +4,8 @@
 ==============================================================================
 	Dokeos - elearning and course management software
 
-    Copyright (c) 2008 Furio Petrossi
+    Copyright (c) 2009 Dokeos SPRL
-	Copyright (c) 2008 Dokeos SPRL
+    Copyright (c) 2008 Furio Petrossi	
 
 	For a full list of contributors, see "credits.txt".
 	The full license can be read in "license.txt".
@@ -28,14 +28,15 @@
 *	@package dokeos.library
 ==============================================================================
 
-         * Calculates the time spent on the course
+* Calculates the time spent on the course
-	 * @param integer $user_id the user id
+* @param integer $user_id the user id
-	 * @param string $course_code the course code
+* @param string $course_code the course code
 *	Funzione scritta da Mario per testare cose 
 */
 $language_file = array ('registration', 'index', 'tracking');
 require_once('../inc/global.inc.php');
 
+
 /**
  * Gets the connections to a course as an array of login and logout time
  */	 
@@ -51,7 +52,7 @@ function get_connections_to_course($user_id, $course_code) {
 
     $sql = 'SELECT login_course_date, logout_course_date FROM ' . $tbl_track_course . ' 
     				WHERE user_id = ' . intval($user_id) . '
-    				AND course_code="' . $course_true . '" ORDER BY login_course_date';
+    				AND course_code="' . $course_true . '" ORDER BY login_course_date DESC';
     
     $rs = api_sql_query($sql);
     $connections  = array();
@@ -70,13 +71,40 @@ function get_connections_to_course($user_id, $course_code) {
     
     return $connections;
 }
+
+
+function get_connections_to_course_by_time($user_id, $course_code, $year='', $month='', $day='') {
+    $course_code = Database::escape_string($course_code);    
+    $tbl_track_course = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
+    $tbl_main=Database::get_main_table(TABLE_MAIN_COURSE);
+    $sql_query='SELECT visual_code as course_code FROM '.$tbl_main.' c WHERE code="'.$course_code.'";';
+    $result=api_sql_query($sql_query,__FILE__,__LINE__);
+    $row_query=Database::fetch_array($result,'ASSOC');
+    $course_true=isset($row_query['course_code']) ? $row_query['course_code']: $course_code;
+
+    $sql = 'SELECT login_course_date, logout_course_date FROM ' . $tbl_track_course . ' 
+    				WHERE user_id = ' . intval($user_id) . '
+    				AND course_code="' . $course_true . '"    				 
+    				ORDER BY login_course_date DESC';
+    
+    $rs = api_sql_query($sql);
+    $connections  = array();    
+    while ($a_connections = Database::fetch_array($rs)) {    
+        $s_login_date = $a_connections['login_course_date'];
+        $s_logout_date = $a_connections['logout_course_date'];        
+        $i_timestamp_login_date = strtotime($s_login_date);
+        $i_timestamp_logout_date = strtotime($s_logout_date);        
+        $connections[] = array('login'=>$i_timestamp_login_date, 'logout'=>$i_timestamp_logout_date);        
+    }    
+    return $connections;
+}
+
 	
 /**
  * Transforms seconds into a time format
  */
 function calculHours($seconds)
-{
+{	
-	
   //How many hours ?
   $hours = floor($seconds / 3600);
 
@@ -95,23 +123,165 @@ function calculHours($seconds)
 }
 
 /* MAIN */
-//Print headers
+
+$user_id = Database::escape_string($_REQUEST['student']);
+$course_code=Database::escape_string($_REQUEST['course']);
+
+include_once(api_get_path(LIBRARY_PATH).'pchart/pData.class.php');
+include_once(api_get_path(LIBRARY_PATH).'pchart/pChart.class.php');
+include_once(api_get_path(LIBRARY_PATH).'pchart/pCache.class.php');
+$connections = get_connections_to_course($user_id, $course_code);
+$i = 0;		
+if (api_is_xml_http_request()) {
+	$type  = $_GET['type'];	
+	$main_year = $main_month_year = $main_day = array();
+	foreach ($connections as $key=>$data) {				
+		//creating the main array		
+		$main_year[date('Y',$data['login'])]+=calculHours($data['logout']-$data['login'])*60;	
+		$main_month_year[date('m-Y',$data['login'])]+=calculHours($data['logout']-$data['login'])*60;
+		$main_day[date('d-m-Y',$data['login'])]+=calculHours($data['logout']-$data['login'])*60;
+			
+		if ($i > 500) {
+			break;
+		}
+		$i++;
+	}	 
+	switch ($type) {
+		case 'day':
+		$main_date = $main_day;
+		break;
+		case 'month':
+		$main_date = $main_month_year ;						
+		break;
+		case 'year':
+		$main_date = $main_year;
+		break;
+	}
+	
+	//echo '<pre>'; print_r($main_date);
+	// the nice graphics :D
+	$labels = array_keys($main_date);	
+	if (count($main_date)==1) {
+		$labels = $labels[0];
+		$main_date = $main_date[$labels];
+	}
+	
+	$DataSet = new pData;	
+	$DataSet->AddPoint($main_date,'Q');
+	if (count($main_date)!=1) {
+		$DataSet->AddPoint($labels,'Date');
+	}
+	$DataSet->AddAllSeries();  
+	$DataSet->RemoveSerie('Date');  
+	$DataSet->SetAbsciseLabelSerie('Date');
+	$DataSet->SetYAxisName(get_lang('Minutes'));  
+	$graph_id = api_get_user_id().'AccessDetails'.api_get_course_id();
+	$DataSet->AddAllSeries();
+	
+	$Cache = new pCache();
+	// the graph id
+	$data = $DataSet->GetData();
+	
+	if ($Cache->IsInCache($graph_id, $DataSet->GetData())) {
+	//if (0) {
+		//if we already created the img
+		//	echo 'in cache';
+		$img_file = $Cache->GetHash($graph_id,$DataSet->GetData());			
+	} else  {		  
+	// if the image does not exist in the main/garbage/ folder		
+		// Initialise the graph  
+		$Test = new pChart(760,230);
+		 
+		//which schema of color will be used
+		$quant_resources = count($data[0])-1;					
+		// Adding the color schemma
+		$Test->loadColorPalette(api_get_path(LIBRARY_PATH)."pchart/palette/default.txt");
+								
+	  	$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",8);     
+	  	$Test->setGraphArea(70,30,680,200);     
+	  	$Test->drawFilledRoundedRectangle(7,7,693,223,5,240,240,240);     
+	  	$Test->drawRoundedRectangle(5,5,695,225,5,230,230,230);     
+	  	$Test->drawGraphArea(255,255,255,TRUE);  
+	  	$Test->drawScale($DataSet->GetData(),$DataSet->GetDataDescription(),SCALE_START0,150,150,150,TRUE,0,0);     
+	  	$Test->drawGrid(4,TRUE,230,230,230,50);  
+	    $Test->setLineStyle(2); 
+		// Draw the 0 line     
+		$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",6);     
+		$Test->drawTreshold(0,143,55,72,TRUE,TRUE);
+		
+	  	if (count($main_date)==1) {
+			//Draw a graph 
+			echo '<strong>'.$labels.'</strong><br/>';			
+  			$Test->drawBarGraph($DataSet->GetData(),$DataSet->GetDataDescription(),TRUE);
+	  	} else {
+			//Draw the line graph  
+			$Test->drawLineGraph($DataSet->GetData(),$DataSet->GetDataDescription());     
+			$Test->drawPlotGraph($DataSet->GetData(),$DataSet->GetDataDescription(),3,2,255,255,255);
+ 		}
+	  
+		// Finish the graph     
+		$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",8);     
+		       
+		$Test->setFontProperties(api_get_path(LIBRARY_PATH)."pchart/fonts/tahoma.ttf",10);     
+		$Test->drawTitle(60,22,get_lang('AccessDetails'),50,50,50,585);    
+		
+		//------------------						
+		//echo 'not in cache';			
+		$Cache->WriteToCache($graph_id,$DataSet->GetData(),$Test);						
+		ob_start();
+		$Test->Stroke();
+		ob_end_clean();				
+		$img_file = $Cache->GetHash($graph_id,$DataSet->GetData());		
+	}	
+	echo '<img src="'.api_get_path(WEB_CODE_PATH).'garbage/'.$img_file.'">';
+	exit;
+}
+
 $nameTools= get_lang('AccessDetails');
 $interbreadcrumb[] = array ("url" => "../user/user.php?cidReq=".$_GET['course'], "name" => get_lang("Users"));
 $interbreadcrumb[] = array ("url" => "myStudents.php?cidReq=".$_GET['course']."&student=".$_GET['student']."&details=true&origin=user_course", "name" => get_lang('DetailsStudentInCourse'));
 
-Display :: display_header($nameTools);
+$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
+$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery-1.1.3.1.pack.js" type="text/javascript"></script>';
+$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.history_remote.pack.js" type="text/javascript"></script>';
+$htmlHeadXtra[] = '<script src="../inc/lib/javascript/jquery.tabs.pack.js" type="text/javascript"></script>';
+$htmlHeadXtra[] = '<link rel="stylesheet" href="../inc/lib/javascript/jquery.tabs.css" type="text/css" media="print, projection, screen">';
 
-$user_id = (int)$_REQUEST['student'];
+$htmlHeadXtra[] = '<script type="text/javascript">
-$course_code=Database::escape_string($_REQUEST['course']);
+$(function() {
+	$("#container-9").tabs({ remote: true});	     
+});
+		
+</script>'  ;
 
+Display :: display_header($nameTools);
 $TBL_USERINFO_DEF 		= Database :: get_course_table(TABLE_USER_INFO);
 $mainUserInfo = api_get_user_info($user_id, $course_code);
+
+$result_to_print = '';
+$main_date_array = array();
+foreach ($connections as $key=>$data) { 
+	$result_to_print .= '&nbsp;&nbsp;'.date('d-m-Y (H:i:s)',$data['login']).' - '.calculHours($data['logout']-$data['login']).'<br />'."\n";	
+}
+
 echo '<strong>',get_lang('User'),': ',$mainUserInfo['firstName'],' ',$mainUserInfo['lastName'],'</strong> <br />';
+echo '<strong>'.get_lang('Course').': ',$course_code,'</strong><br /><br />';
+
+?>
+<div id="container-9">
+    <ul>                
+        <li><a href="access_details.php?type=day&course=<?php echo $course_code?>&student=<?php echo $user_id?>"><span> <?php echo get_lang('Day'); ?></span></a></li>
+        <li><a href="access_details.php?type=month&course=<?php echo $course_code?>&student=<?php echo $user_id?>"><span><?php echo get_lang('Month'); ?></span></a></li>
+        <li><a href="access_details.php?type=year&course=<?php echo $course_code?>&student=<?php echo $user_id?>"><span> <?php echo get_lang('Year'); ?></span></a></li>
+    </ul>
+    <?php echo '<div id="show"></div>';?>
+</div>
+<?php
+
+echo '<div id="graph"></div><br />';
+echo '<strong>',get_lang('DateAndTimeOfAccess'),' - ',get_lang('Duration'),'</strong><br /><br />';
+echo $result_to_print;
 
-$connections = get_connections_to_course($user_id, $course_code);
-echo '<strong>'.get_lang('Course').': ',$course_code,' - ',$_course['name'],'</strong><br />';
-echo '<strong>',get_lang('DateAndTimeOfAccess'),' - ',get_lang('Duration'),'</strong><br />';
 /* Login time against logout time
 foreach ($connections as $key=>$data)
 {
@@ -125,9 +295,5 @@ foreach ($connections as $key=>$data)
 }
 echo ("</table>");
 */
-foreach ($connections as $key=>$data)
-{ 
-    echo '&nbsp;&nbsp;'.date('d-m-Y (H:i:s)',$data['login']).' - '.calculHours($data['logout']-$data['login']).'<br />'."\n"; 
-}
 Display:: display_footer();
 ?>