mod/hotpot/report/simplestat/report.php

   1 <?php  // $Id$
   2 /// Overview report: displays a big table of all the attempts
   3 class hotpot_report extends hotpot_default_report {
   4         function display(&$hotpot, &$cm, &$course, &$users, &$attempts, &$questions, &$options) {
   5                 global $CFG;
   6                 // create the table
   7                 $tables = array();
   8                 $this->create_scores_table($hotpot, $course, $users, $attempts, $questions, $options, $tables);
   9                 $this->print_report($course, $hotpot, $tables, $options);
  10                 return true;
  11         }
  12         function create_scores_table(&$hotpot, &$course, &$users, &$attempts, &$questions, &$options, &$tables) {
  13                 global $CFG;
  14                 $download = ($options['reportformat']=='htm') ? false : true;
  15                 $is_html = ($options['reportformat']=='htm');
  16                 $blank = ($download ? '' : '&nbsp;');
  17                 $no_value = ($download ? '' : '-');
  18                 $allow_review = true;
  19                 // start the table
  20                 unset($table);
  21                 $table->border = 1;
  22                 $table->head = array();
  23                 $table->align = array();
  24                 $table->size = array();
  25                 // picture column, if required
  26                 if ($is_html) {
  27                         $table->head[] = '&nbsp;';
  28                         $table->align[] = 'center';
  29                         $table->size[] = 10;
  30                 }
  31                 // name, grade and attempt number
  32                 array_push($table->head,
  33                         get_string("name"),
  34                         hotpot_grade_heading($hotpot, $options),
  35                         get_string("attempt", "quiz")
  36                 );
  37                 array_push($table->align, "left", "center", "center");
  38                 array_push($table->size, '', '', '');
  39                 // question headings
  40                 $this->add_question_headings($questions, $table);
  41                 // penalties and raw score
  42                 array_push($table->head,
  43                         get_string('penalties', 'hotpot'),
  44                         get_string('score', 'quiz')
  45                 );
  46                 array_push($table->align, "center", "center");
  47                 array_push($table->size, '', '');
  48                 $table->data = array();
  49                 $q = array(
  50                         'grade'     => array('count'=>0, 'total'=>0),
  51                         'penalties' => array('count'=>0, 'total'=>0),
  52                         'score'     => array('count'=>0, 'total'=>0),
  53                 );
  54                 foreach ($users as $user) {
  55                         // shortcut to user info held in first attempt record
  56                         $u = &$user->attempts[0];
  57                         $picture = '';
  58                         $name = fullname($u);
  59                         if ($is_html) {
  60                                 $picture = print_user_picture($u->userid, $course->id, $u->picture, false, true);
  61                                 $name = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$u->userid.'&amp;course='.$course->id.'">'.$name.'</a>';
  62                         }
  63                         if (isset($user->grade)) {
  64                                 $grade = $user->grade;
  65                                 $q['grade']['count'] ++;
  66                                 if (is_numeric($grade)) {
  67                                         $q['grade']['total'] += $grade;
  68                                 }
  69                         } else {
  70                                 $grade = $no_value;
  71                         }
  72                         $attemptcount = count($user->attempts);
  73                         if ($attemptcount>1) {
  74                                 $text = $name;
  75                                 $name = NULL;
  76                                 $name->text = $text;
  77                                 $name->rowspan = $attemptcount;
  78                                 $text = $grade;
  79                                 $grade = NULL;
  80                                 $grade->text = $text;
  81                                 $grade->rowspan = $attemptcount;
  82                         }
  83                         $data = array();
  84                         if ($is_html) {
  85                                 if ($attemptcount>1) {
  86                                         $text = $picture;
  87                                         $picture = NULL;
  88                                         $picture->text = $text;
  89                                         $picture->rowspan = $attemptcount;
  90                                 }
  91                                 $data[] = $picture;
  92                         }
  93                         array_push($data, $name, $grade);
  94                         foreach ($user->attempts as $attempt) {
  95                                 // set flag if this is best grade
  96                                 $is_best_grade = ($is_html && $attempt->score==$user->grade);
  97                                 // get attempt number
  98                                 $attemptnumber= $attempt->attempt;
  99                                 if ($is_html && $allow_review) {
 100                                         $attemptnumber = '<a href="review.php?hp='.$hotpot->id.'&amp;attempt='.$attempt->id.'">'.$attemptnumber.'</a>';
 101                                 }
 102                                 if ($is_best_grade) {
 103                                         $score = '<span class="highlight">'.$attemptnumber.'</span>';
 104                                 }
 105                                 $data[] = $attemptnumber;
 106                                 // get responses to questions in this attempt by this user
 107                                 foreach ($questions as $id=>$question) {
 108                                         if (!isset($q[$id])) {
 109                                                 $q[$id] = array('count'=>0, 'total'=>0);
 110                                         }
 111                                         if (isset($attempt->responses[$id])) {
 112                                                 $score = $attempt->responses[$id]->score;
 113                                                 if (is_numeric($score)) {
 114                                                         $q[$id]['count'] ++;
 115                                                         $q[$id]['total'] += $score;
 116                                                         if ($is_best_grade) {
 117                                                                 $score = '<span class="highlight">'.$score.'</span>';
 118                                                         }
 119                                                 } else if (empty($score)) {
 120                                                         $score = $no_value;
 121                                                 }
 122                                         } else {
 123                                                 $score = $no_value;
 124                                         }
 125                                         $data[] = $score;
 126                                 } // foreach $questions
 127                                 if (isset($attempt->penalties)) {
 128                                         $penalties = $attempt->penalties;
 129                                         if (is_numeric($penalties)) {
 130                                                 $q['penalties']['count'] ++;
 131                                                 $q['penalties']['total'] += $penalties;
 132                                         }
 133                                         if ($is_best_grade) {
 134                                                 $penalties = '<span class="highlight">'.$penalties.'</span>';
 135                                         }
 136                                 } else {
 137                                         $penalties = $no_value;
 138                                 }
 139                                 $data[] = $penalties;
 140                                 if (isset($attempt->score)) {
 141                                         $score = $attempt->score;
 142                                         if (is_numeric($score)) {
 143                                                 $q['score']['total'] += $score;
 144                                                 $q['score']['count'] ++;
 145                                         }
 146                                         if ($is_best_grade) {
 147                                                 $score = '<span class="highlight">'.$score.'</span>';
 148                                         }
 149                                 } else {
 150                                         $score = $no_value;
 151                                 }
 152                                 $data[] = $score;
 153                                 // append data for this attempt
 154                                 $table->data[] = $data;
 155                                 // reset data array for next attempt, if any
 156                                 $data = array();
 157                         } // end foreach $attempt
 158                         $table->data[] = 'hr';
 159                 } // end foreach $user
 160                 // remove final 'hr' from data rows
 161                 array_pop($table->data);
 162                 // add averages to foot of table
 163                 $averages = array();
 164                 if ($is_html) {
 165                         $averages[] = $blank;
 166                 }
 167                 array_push($averages, get_string('average', 'hotpot'));
 168                 $col = count($averages);
 169                 if (empty($q['grade']['count'])) {
 170                         // remove score $col from $table
 171                         $this->remove_column($table, $col);
 172                 } else {
 173                         $precision = ($hotpot->grademethod==HOTPOT_GRADEMETHOD_AVERAGE || $hotpot->grade<100) ? 1 : 0;
 174                         $averages[] = round($q['grade']['total'] / $q['grade']['count'], $precision);
 175                         $col++;
 176                 }
 177                 // skip the attempt number column
 178                 $averages[$col++] = $blank;
 179                 foreach ($questions as $id=>$question) {
 180                         if (empty($q[$id]['count'])) {
 181                                 // remove this question $col from $table
 182                                 $this->remove_column($table, $col);
 183                         } else {
 184                                 $averages[$col++] = round($q[$id]['total'] / $q[$id]['count']);
 185                         }
 186                 }
 187                 if (empty($q['penalties']['count'])) {
 188                         // remove penalties $col from $table
 189                         $this->remove_column($table, $col);
 190                 } else {
 191                         $averages[$col++] = round($q['penalties']['total'] / $q['penalties']['count']);
 192                 }
 193                 if (empty($q['score']['count'])) {
 194                         // remove score $col from $table
 195                         $this->remove_column($table, $col);
 196                 } else {
 197                         $averages[$col++] = round($q['score']['total'] / $q['score']['count']);
 198                 }
 199                 $table->foot = array($averages);
 200                 $tables[] = &$table;
 201         }
 202 } // end class
 203 ?>