mod/lesson/index.php

   1 <?PHP // $Id$
   2
   3 /// This page lists all the instances of lesson in a particular course
   4
   5     require_once("../../config.php");
   6     require_once("locallib.php");
   7
   8     require_variable($id);   // course
   9
  10     if (!$course = get_record("course", "id", $id)) {
  11         error("Course ID is incorrect");
  12     }
  13
  14     require_login($course->id);
  15
  16     add_to_log($course->id, "lesson", "view all", "index.php?id=$course->id", "");
  17
  18
  19 /// Get all required strings
  20
  21     $strlessons = get_string("modulenameplural", "lesson");
  22     $strlesson  = get_string("modulename", "lesson");
  23
  24
  25 /// Print the header
  26
  27     if ($course->category) {
  28         $navigation = "<A HREF=\"../../course/view.php?id=$course->id\">$course->shortname</A> ->";
  29     }
  30
  31     print_header("$course->shortname: $strlessons", "$course->fullname", "$navigation $strlessons", "", "", true, "", navmenu($course));
  32
  33 /// Get all the appropriate data
  34
  35     if (! $lessons = get_all_instances_in_course("lesson", $course)) {
  36         notice("There are no lessons", "../../course/view.php?id=$course->id");
  37         die;
  38     }
  39
  40 /// Print the list of instances (your module will probably extend this)
  41
  42     $timenow = time();
  43     $strname  = get_string("name");
  44     $strgrade  = get_string("grade");
  45     $strdeadline  = get_string("deadline", "lesson");
  46     $strweek  = get_string("week");
  47     $strtopic  = get_string("topic");
  48     $table = new stdClass;
  49
  50     if ($course->format == "weeks") {
  51         $table->head  = array ($strweek, $strname, $strgrade, $strdeadline);
  52         $table->align = array ("CENTER", "LEFT", "CENTER", "CENTER");
  53     } else if ($course->format == "topics") {
  54         $table->head  = array ($strtopic, $strname, $strgrade, $strdeadline);
  55         $table->align = array ("CENTER", "LEFT", "CENTER", "CENTER");
  56     } else {
  57         $table->head  = array ($strname, $strgrade, $strdeadline);
  58         $table->align = array ("LEFT", "CENTER", "CENTER");
  59     }
  60
  61     foreach ($lessons as $lesson) {
  62         if (!$lesson->visible) {
  63             //Show dimmed if the mod is hidden
  64             $link = "<a class=\"dimmed\" href=\"view.php?id=$lesson->coursemodule\">".format_string($lesson->name,true)."</a>";
  65         } else {
  66             //Show normal if the mod is visible
  67             $link = "<a href=\"view.php?id=$lesson->coursemodule\">".format_string($lesson->name,true)."</a>";
  68         }
  69
  70         if ($lesson->deadline > $timenow) {
  71             $due = userdate($lesson->deadline);
  72         } else {
  73             $due = "<FONT COLOR=\"red\">".userdate($lesson->deadline)."</FONT>";
  74         }
  75
  76         if ($course->format == "weeks" or $course->format == "topics") {
  77             if (isteacher($course->id)) {
  78                 $grade_value = $lesson->grade;
  79             } else {
  80                 // it's a student, show their mean or maximum grade
  81                 if ($lesson->usemaxgrade) {
  82                     $grade = get_record_sql("SELECT MAX(grade) as grade FROM {$CFG->prefix}lesson_grades
  83                             WHERE lessonid = $lesson->id AND userid = $USER->id GROUP BY userid");
  84                 } else {
  85                     $grade = get_record_sql("SELECT AVG(grade) as grade FROM {$CFG->prefix}lesson_grades
  86                             WHERE lessonid = $lesson->id AND userid = $USER->id GROUP BY userid");
  87                 }
  88                 if ($grade) {
  89                     // grades are stored as percentages
  90                     $grade_value = number_format($grade->grade * $lesson->grade / 100, 1);
  91                 } else {
  92                     $grade_value = 0;
  93                 }
  94             }
  95             $table->data[] = array ($lesson->section, $link, $grade_value, $due);
  96         } else {
  97             $table->data[] = array ($link, $grade_value, $due);
  98         }
  99     }
 100
 101     echo "<BR>";
 102
 103     print_table($table);
 104
 105 /// Finish the page
 106
 107     print_footer($course);
 108
 109 ?>