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   1  <?php  // $Id: report.php,v 1.6.8.2 2008/03/06 07:34:05 gbateson Exp $
   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  ?>