mod/choice/view.php

   1 <?PHP  // $Id$
   2
   3     require_once("../../config.php");
   4     require_once("lib.php");
   5
   6     require_variable($id);    // Course Module ID
   7
   8     if (! $cm = get_record("course_modules", "id", $id)) {
   9         error("Course Module ID was incorrect");
  10     }
  11
  12     if (! $course = get_record("course", "id", $cm->course)) {
  13         error("Course is misconfigured");
  14     }
  15
  16     require_login($course->id);
  17
  18     if (!$choice = choice_get_choice($cm->instance)) {
  19         error("Course module is incorrect");
  20     }
  21
  22     for ($i=1; $i <= $CHOICE_MAX_NUMBER; $i++) {
  23         $answerchecked[$i] = '';
  24     }
  25     if ($current = get_record("choice_answers", "choice", $choice->id, "userid", $USER->id)) {
  26         $answerchecked[$current->answer] = 'CHECKED';
  27     }
  28
  29     if ($form = data_submitted()) {
  30         $timenow = time();
  31
  32         if (empty($form->answer)) {
  33             redirect("view.php?id=$cm->id", get_string('mustchooseone', 'choice'));
  34
  35         } else {
  36             if ($current) {
  37                 $newanswer = $current;
  38                 $newanswer->answer = $form->answer;
  39                 $newanswer->timemodified = $timenow;
  40                 if (! update_record("choice_answers", $newanswer)) {
  41                     error("Could not update your choice");
  42                 }
  43                 add_to_log($course->id, "choice", "choose again", "view.php?id=$cm->id", $choice->id, $cm->id);
  44             } else {
  45                 $newanswer->choice = $choice->id;
  46                 $newanswer->userid = $USER->id;
  47                 $newanswer->answer = $form->answer;
  48                 $newanswer->timemodified = $timenow;
  49                 if (! insert_record("choice_answers", $newanswer)) {
  50                     error("Could not save your choice");
  51                 }
  52                 add_to_log($course->id, "choice", "choose", "view.php?id=$cm->id", $choice->id, $cm->id);
  53             }
  54         }
  55         redirect("$CFG->wwwroot/course/view.php?id=$course->id");
  56         exit;
  57     }
  58
  59     $strchoice = get_string("modulename", "choice");
  60     $strchoices = get_string("modulenameplural", "choice");
  61
  62     add_to_log($course->id, "choice", "view", "view.php?id=$cm->id", $choice->id, $cm->id);
  63
  64     if ($course->category) {
  65         $navigation = "<A HREF=\"../../course/view.php?id=$course->id\">$course->shortname</A> ->";
  66     } else {
  67         $navigation = "";
  68     }
  69     print_header("$course->shortname: $choice->name", "$course->fullname",
  70                  "$navigation <A HREF=index.php?id=$course->id>$strchoices</A> -> $choice->name", "", "", true,
  71                   update_module_button($cm->id, $course->id, $strchoice), navmenu($course, $cm));
  72
  73 /// Check to see if groups are being used in this choice
  74     if ($groupmode = groupmode($course, $cm)) {   // Groups are being used
  75         $currentgroup = setup_and_print_groups($course, $groupmode, "view.php?id=$cm->id");
  76     } else {
  77         $currentgroup = false;
  78     }
  79
  80     if (isteacher($course->id)) {
  81         if ( $allanswers = get_records("choice_answers", "choice", $choice->id)) {
  82             $responsecount = count($allanswers);
  83         } else {
  84             $responsecount = 0;
  85         }
  86         echo "<P align=right><A HREF=\"report.php?id=$cm->id\">".get_string("viewallresponses", "choice", $responsecount)."</A></P>";
  87     } else if (!$cm->visible) {
  88         notice(get_string("activityiscurrentlyhidden"));
  89     }
  90
  91     print_simple_box( text_to_html($choice->text) , "center");
  92
  93     if (!$current or !$choice->publish) {  // They haven't made their choice yet
  94         echo "<CENTER><P><FORM name=\"form\" method=\"post\" action=\"view.php\">";
  95         echo "<TABLE CELLPADDING=20 CELLSPACING=20><TR>";
  96
  97         foreach ($choice->answer as $key => $answer) {
  98             if ($answer) {
  99                 echo "<TD ALIGN=CENTER>";
 100                 echo "<INPUT type=radio name=answer value=\"$key\" ".$answerchecked[$key].">";
 101                 p($answer);
 102                 echo "</TD>";
 103             }
 104         }
 105
 106         echo "</TR></TABLE>";
 107         echo "<INPUT type=hidden name=id value=\"$cm->id\">";
 108         if (!isguest()) {
 109             echo "<INPUT type=submit value=\"".get_string("savemychoice","choice")."\">";
 110         }
 111         echo "</P></FORM></CENTER>";
 112
 113     } else {  // Print results.
 114
 115         print_heading(get_string("responses", "choice"));
 116
 117         if ($currentgroup) {
 118             $users = get_group_users($currentgroup, "u.firstname ASC");
 119         } else {
 120             $users = get_course_users($course->id, "u.firstname ASC");
 121         }
 122
 123         if (!$users) {
 124             print_heading(get_string("nousersyet"));
 125             print_footer($course);
 126             exit;
 127         }
 128
 129         if ( $allanswers = get_records("choice_answers", "choice", $choice->id)) {
 130             foreach ($allanswers as $aa) {
 131                 $answers[$aa->userid] = $aa;
 132             }
 133         } else {
 134             $answers = array () ;
 135         }
 136
 137         $timenow = time();
 138
 139         foreach ($choice->answer as $key => $answer) {
 140             $useranswer[$key] = array();
 141         }
 142         foreach ($users as $user) {
 143             if (!empty($user->id) and !empty($answers[$user->id])) {
 144                 $answer = $answers[$user->id];
 145                 $useranswer[(int)$answer->answer][] = $user;
 146             } else {
 147                 $useranswer[0][] = $user;
 148             }
 149         }
 150         foreach ($choice->answer as $key => $answer) {
 151             if (!$choice->answer[$key]) {
 152                 unset($useranswer[$key]);     // Throw away any data that doesn't apply
 153             }
 154         }
 155         ksort($useranswer);
 156
 157         switch ($choice->publish) {
 158           case CHOICE_PUBLISH_NAMES:
 159
 160             $isteacher = isteacher($course->id);
 161
 162             $tablewidth = (int) (100.0 / count($useranswer));
 163
 164             echo "<table cellpadding=5 cellspacing=10 align=center>";
 165             echo "<tr>";
 166             foreach ($useranswer as $key => $answer) {
 167                 if ($key) {
 168                     echo "<th width=\"$tablewidth%\">";
 169                 } else if ($choice->showunanswered) {
 170                     echo "<th bgcolor=\"$THEME->body\" width=\"$tablewidth%\">";
 171                 } else {
 172                     continue;
 173                 }
 174                 echo choice_get_answer($choice, $key);
 175                 echo "</th>";
 176             }
 177             echo "</tr><tr>";
 178
 179             foreach ($useranswer as $key => $answer) {
 180                 if ($key) {
 181                     echo "<td width=\"$tablewidth%\" valign=top nowrap bgcolor=\"$theme->cellcontent\">";
 182                 } else if ($choice->showunanswered) {
 183                     echo "<td width=\"$tablewidth%\" valign=top nowrap bgcolor=\"$theme->body\">";
 184                 } else {
 185                     continue;
 186                 }
 187
 188                 echo "<table width=100%>";
 189                 foreach ($answer as $user) {
 190                     echo "<tr><td width=10 nowrap>";
 191                     print_user_picture($user->id, $course->id, $user->picture);
 192                     echo "</td><td width=100% nowrap>";
 193                     echo "<p>".fullname($user, $isteacher)."</p>";
 194                     echo "</td></tr>";
 195                 }
 196                 echo "</table>";
 197
 198                 echo "</td>";
 199             }
 200             echo "</tr></table>";
 201             break;
 202
 203
 204           case CHOICE_PUBLISH_ANONYMOUS:
 205             $tablewidth = (int) (100.0 / count($useranswer));
 206
 207             echo "<table cellpadding=5 cellspacing=10 align=center>";
 208             echo "<tr>";
 209             foreach ($useranswer as $key => $answer) {
 210                 if ($key) {
 211                     echo "<th width=\"$tablewidth%\">";
 212                 } else if ($choice->showunanswered) {
 213                     echo "<th bgcolor=\"$THEME->body\" width=\"$tablewidth%\">";
 214                 } else {
 215                     continue;
 216                 }
 217                 echo choice_get_answer($choice, $key);
 218                 echo "</th>";
 219             }
 220             echo "</tr>";
 221
 222             $maxcolumn = 0;
 223             foreach ($useranswer as $key => $answer) {
 224                 if (!$key and !$choice->showunanswered) {
 225                     continue;
 226                 }
 227                 $column[$key] = count($answer);
 228                 if ($column[$key] > $maxcolumn) {
 229                     $maxcolumn = $column[$key];
 230                 }
 231             }
 232
 233             echo "<tr>";
 234             foreach ($useranswer as $key => $answer) {
 235                 if (!$key and !$choice->showunanswered) {
 236                     continue;
 237                 }
 238                 $height = $COLUMN_HEIGHT * ((float)$column[$key] / (float)$maxcolumn);
 239                 echo "<td valign=\"bottom\" align=\"center\">";
 240                 echo "<img src=\"column.png\" height=\"$height\" width=\"49\">";
 241                 echo "</td>";
 242             }
 243             echo "</tr>";
 244
 245             echo "<tr>";
 246             foreach ($useranswer as $key => $answer) {
 247                 if (!$key and !$choice->showunanswered) {
 248                     continue;
 249                 }
 250                 echo "<td align=\"center\">".$column[$key]."</td>";
 251             }
 252             echo "</tr></table>";
 253
 254             break;
 255         }
 256     }
 257
 258     print_footer($course);
 259
 260
 261 ?>