[Aimmath-commit] moodle/mod/math_assignment setseed.php,NONE,1.1 pdfgen.php,1.17,1.18 view.php,1.18,1.19

[<gus...@us...>]

Update of /cvsroot/aimmath/moodle/mod/math_assignment
In directory sc8-pr-cvs1:/tmp/cvs-serv9801

Modified Files:
	pdfgen.php view.php 
Added Files:
	setseed.php 
Log Message:
further work towards randomized problem sheets

--- NEW FILE: setseed.php ---
<?php  // $Id: setseed.php,v 1.1 2003/10/08 19:49:41 gustav_delius Exp $

/// This page uses the form submitted from view.php to set the
/// student's seed

    require_once("../../config.php");

    require_variable($sheetid);
    require_variable($assignment);
    require_variable($student);

    if (! $math_assignment = get_record("math_assignment", "id", $assignment)) {
        error("Course module is incorrect");
    }

    if (! $course = get_record("course", "id", $math_assignment->course)) {
        error("Course is misconfigured");
    }

    require_login();

    if ($course->category) {
        $navigation = "<a href=\"../../course/view.php?id=$course->id\">$course->shortname</a> ->";
    }
    else
        $navigation = "";

    if (!isstudent($course->id)) {
        error("Sorry, you shouldn't be on this page!");
    }

    if ($seed = get_record("math_assignment_seed", "assignment", $assignment, "student", $student)) {
        error("You already entered an ID for this assignment.");
    }

    print_header("$course->shortname: $math_assignment->name", "$course->fullname",
        "$navigation <a href=\"index.php?id=$course->id\">$strmath_assignments</a> -> $math_assignment->name",
        "", "", true, update_module_button($cm->id, $course->id, $strmath_assignment), navmenu($course, $cm));

    if (!$seed = get_record("math_assignment_seed", "assignment", $assignment, "seed", $sheetid)) {
        // The ID number does not exist
        notice(get_string("idinvalid", "math_assignment"));
    }

    // ID number is valid
    if (isset($seed->student)) {
        // but this ID number was already entered by a
        // different student
        notice(get_string("idtaken", "math_assignment"));
    }

    // Everything is o.k., so assign seed to student
    set_field($math_assignment_seed, "student", $student, "assignment", $assignment, "seed", $sheetid);
    redirect($_SERVER["HTTP_REFERER"]);

?>

Index: pdfgen.php
===================================================================
RCS file: /cvsroot/aimmath/moodle/mod/math_assignment/pdfgen.php,v
retrieving revision 1.17
retrieving revision 1.18
diff -C2 -d -r1.17 -r1.18
*** pdfgen.php	6 Oct 2003 00:11:07 -0000	1.17
--- pdfgen.php	8 Oct 2003 19:49:41 -0000	1.18
***************
*** 9,12 ****
--- 9,13 ----
      optional_variable($type, "problems");  // "problems" or "solutions"
      optional_variable($printcopies);  // number of randomized copies to send to printer
+     optional_variable($seed, 0);  // seed to be passed to AiM. 0 means no seed set.
  
      if (! $site = get_site()) {
***************
*** 30,35 ****
      add_to_log($course->id, "math_assignment", "pdfgen", "pdfgen.php?id=$math_assignment->id", $type);
  
! // check that the request is valid
! 
      if ($solutions) {
          if (time() < $math_assignment->solutiontime and !isteacher($course->id)) {
--- 31,35 ----
      add_to_log($course->id, "math_assignment", "pdfgen", "pdfgen.php?id=$math_assignment->id", $type);
  
!     // check that the request is valid
      if ($solutions) {
          if (time() < $math_assignment->solutiontime and !isteacher($course->id)) {
***************
*** 38,42 ****
      }
  
! // Create temp file names
      if (strpos($_ENV["OS"], "Win") === false) {
          if (!$tempfile = tempnam("/tmp","pdf")) {
--- 38,52 ----
      }
  
!     if ($math_assignment->aimquiz) {
! 
!         if (!$subject = get_record("math_assignment_subject", "course", $course->id)) {
!             error(get_string("noaccess", "math_assignment"));
!         }
!         if (!$server = get_record("math_assignment_server", "id", $subject->server)) {
!             error(get_string("noaccess", "math_assignment"));
!         }
!     }
! 
!     // Create temp file names
      if (strpos($_ENV["OS"], "Win") === false) {
          if (!$tempfile = tempnam("/tmp","pdf")) {
***************
*** 47,61 ****
          $tempfile = substr(md5(microtime()), 0, 6);
      }
      
! // if there is an aim quiz load it into $data
!     $data = "";
!     if ($math_assignment->aimquiz) {
  
!         if (!$subject = get_record("math_assignment_subject", "course", $course->id)) {
!             error(get_string("noaccess", "math_assignment"));
          }
!         if (!$server = get_record("math_assignment_server", "id", $subject->server)) {
!             error(get_string("noaccess", "math_assignment"));
          }
  
          $postdata = "";
--- 57,137 ----
          $tempfile = substr(md5(microtime()), 0, 6);
      }
+ 
+     $errlog = "";
+ 
      
!     if ($printcopies > 0) {
!         $newseed->assignment = $math_assignment->id;
!         $newseed->student = NULL;
!         for ($i = 1; $i <= $printcopies; $i++) {
!             $newseed->seed = mt_rand (10000000,99999999);
!             // make sure seed hasn't already been used
!             while (get_record("math_assignment_seed", "assignment", $newseed->assignment, "seed", $newseed->seed)) {
!                 $newseed->seed = mt_rand (10000000,99999999);
!             }
!             if (!insert_record("math_assignment_seed", $newseed, $returnid=false)) {
!                 error("Couldn't add $i seed $newseed->seed to database");
!             }
!             math_assignment_generate_pdf($math_assignment, $course, $subject, $server, $type, $tempfile, $newseed->seed);
!             exec("\"c:\\Program Files\\ghostgum\\gsview\\gsview32.exe\" $tempfile.pdf");
!         }
!     }
!     else {
!         math_assignment_generate_pdf($math_assignment, $course, $subject, $server, $type, $tempfile, $seed);
  
!         // output of pdf
! 
!         /* I have just noticed the following in the php documentation on this issue of using Content-disposition headers:
!         Note: There is a bug in Microsoft Internet Explorer 4.01 that prevents this from working. There is no workaround.
!         There is also a bug in Microsoft Internet Explorer 5.5 that interferes with this, which can be resolved by upgrading
!         to Service Pack 2 or later.
!         Darn MS!
!         One possible way round this might be to use slash arguments with the last arguent 'problems.pdf' when a
!         problem sheet is required and 'solutions.pdf' when solutions are required. With luck this might fool IE which seems to
!         go by the extension when it ignores the headers. This would need testing in a broken version of IE. */
! 
!         if ($file = @fopen("$tempfile.pdf", "rb")) { // the 'b' is for compatibility with Windoze
! 
!             // tell the browser that it is pdf
!             header("Content-type: application/pdf");
!             if ($solutions)
!                 header("Content-disposition: inline; filename=solutions.pdf");
!             else
!                 header("Content-disposition: inline; filename=problems.pdf");
!             header('Cache-Control: public');
!             @fpassthru($file); // chuck all the data direct to the browser and close the handle
!             @fclose($file);
          }
!         else {
!             $errlog = htmlentities(implode('', file("$tempfile.log")));
          }
+     }
+ 
+     @unlink("$tempfile.pdf");
+     @unlink("$tempfile.tex");
+     @unlink("$tempfile.aux");
+     @unlink("$tempfile.log");
+     if (isset($imageurls)) {
+         foreach ($imageurls as $key => $imageurl) {
+             @unlink("$tempfile$key.jpg");
+         }
+     }
+ 
+     if (strlen($errlog) > 0) {
+         error("There was a problem while compiling the tex source!<br>
+             pdflatex wrote the following log file:<br><br>
+             <pre>$errlog</pre>"); // error message
+     }
+ 
+ 
+ function math_assignment_generate_pdf($math_assignment, $course, $subject, $server, $type, $tempfile, $seed=0) {
+ // This function generates a sheet of type $type (problem or solution) for the assignment
+ // $math_assignment and stores it in $tempfile.pdf
+     
+     global $CFG;
+     
+     // if there is an aim quiz load it into $data
+     $data = "";
+     if ($math_assignment->aimquiz) {
  
          $postdata = "";
***************
*** 65,68 ****
--- 141,147 ----
          $postdata = math_assignment_add_arg_to_url_data($postdata, "QuizName", $math_assignment->aimquiz);
          $postdata = math_assignment_add_arg_to_url_data($postdata, "Password", $subject->password);
+         if ($seed > 0) {
+             $postdata = math_assignment_add_arg_to_url_data($postdata, "QuizSeed", $seed);
+         }
  
          // load the AiM page and grab the result
***************
*** 83,88 ****
      }
  
! // convert images
!         
      if (preg_match_all("/<img src=\"([^\"]+jpg)\"/",$data,$imagematches)) {
          $imageurls = $imagematches[1];
--- 162,166 ----
      }
  
!     // convert images  
      if (preg_match_all("/<img src=\"([^\"]+jpg)\"/",$data,$imagematches)) {
          $imageurls = $imagematches[1];
***************
*** 97,108 ****
      }
  
! // split into individual questions
! 
      $questions = preg_split("/id=\"question(\d+)\"/",$data);
      array_shift($questions);
  
! 
! // Add questions to lecturer's tex file or to dummy
! 
      if ($type == "problems") {
          if ($math_assignment->problemsisurl) {
--- 175,183 ----
      }
  
!     // split into individual questions
      $questions = preg_split("/id=\"question(\d+)\"/",$data);
      array_shift($questions);
  
!     // Add questions to lecturer's tex file or to dummy
      if ($type == "problems") {
          if ($math_assignment->problemsisurl) {
***************
*** 142,151 ****
      }
      
!     // Insert course and assignment name if required
      $latex = str_replace("\coursename","$course->fullname",$latex);
      $latex = str_replace("\assignmentname","$math_assignment->name",$latex);
  
! // generate pdf file from $latex
! 
      if (!$fp=fopen("$tempfile.tex","wb"))
          error("Sorry, I can't produce the pdf output. Failed to open temporary file.");
--- 217,231 ----
      }
      
!     // Insert course and assignment name and sheet id if required
      $latex = str_replace("\coursename","$course->fullname",$latex);
      $latex = str_replace("\assignmentname","$math_assignment->name",$latex);
+     $latex = str_replace("\aimid","$seed",$latex);
+     
+     // Insert problem sheet id
+     if ($type == "problems" and $seed > 0) {
+         $latex = str_replace("\begin{document}", "\begin{document}\begin{flushright}Problem sheet ID: $seed\end{flushright}", $latex);
+     }
  
!     // generate pdf file from $latex
      if (!$fp=fopen("$tempfile.tex","wb"))
          error("Sorry, I can't produce the pdf output. Failed to open temporary file.");
***************
*** 170,223 ****
          exec("$texcommand $tempfile.tex");
      }
  
- // output of pdf
- 
-     /* We need to remove the temporary file so we had better output it to the browser directly rather than redirecting.
-     If we redirect we have no idea when the file is no longer needed. */
-    //redirect("$tempfile.pdf");
- 
-     /* I have just noticed the following in the php documentation on this issue of using Content-disposition headers:
-     Note: There is a bug in Microsoft Internet Explorer 4.01 that prevents this from working. There is no workaround.
-     There is also a bug in Microsoft Internet Explorer 5.5 that interferes with this, which can be resolved by upgrading
-     to Service Pack 2 or later.
-     Darn MS!
-     One possible way round this might be to use slash arguments with the last arguent 'problems.pdf' when a
-     problem sheet is required and 'solutions.pdf' when solutions are required. With luck this might fool IE which seems to
-     go by the extension when it ignores the headers. This would need testing in a broken version of IE. */
- 
-     $errlog = "";
-     if ($file = @fopen("$tempfile.pdf", "rb")) { // the 'b' is for compatibility with Windoze
- 
-         // tell the browser that it is pdf
-         header("Content-type: application/pdf");
-         if ($solutions)
-             header("Content-disposition: inline; filename=solutions.pdf");
-         else
-             header("Content-disposition: inline; filename=problems.pdf");
-         header('Cache-Control: public');
-         @fpassthru($file); // chuck all the data direct to the browser and close the handle
-         @fclose($file);
-     }
-     else {
-         $errlog = htmlentities(implode('', file("$tempfile.log")));
-     }
- 
-     @unlink("$tempfile.pdf");
-     @unlink("$tempfile.tex");
-     @unlink("$tempfile.aux");
-     @unlink("$tempfile.log");
-     if (isset($imageurls)) {
-         foreach ($imageurls as $key => $imageurl) {
-             @unlink("$tempfile$key.jpg");
-         }
-     }
- 
-     if (strlen($errlog) > 0) {
-         error("There was a problem while compiling the tex source!<br>
-             pdflatex wrote the following log file:<br><br>
-             <pre>$errlog</pre>"); // error message
-     }
- 
-     
  
  function math_assignment_aim_to_latex($data,$type) {
--- 250,256 ----
          exec("$texcommand $tempfile.tex");
      }
+     return true;
+ }
  
  
  function math_assignment_aim_to_latex($data,$type) {

Index: view.php
===================================================================
RCS file: /cvsroot/aimmath/moodle/mod/math_assignment/view.php,v
retrieving revision 1.18
retrieving revision 1.19
diff -C2 -d -r1.18 -r1.19
*** view.php	26 Sep 2003 22:23:23 -0000	1.18
--- view.php	8 Oct 2003 19:49:41 -0000	1.19
***************
*** 13,16 ****
--- 13,18 ----
      optional_variable($sort, "lastname"); // column to sort
      optional_variable($sortdir, "asc"); // direction to sort
+     
+     global $USER;
  
      if (! $site = get_site()) {
***************
*** 83,87 ****
              if (strcasecmp($sort, "firstname") != 0) { // to improve speed
                  if (strcasecmp($sort, "totalgrade") != 0)
!                     $sort = "lastname"; // not valid so use default instead
              }
          }
--- 85,89 ----
              if (strcasecmp($sort, "firstname") != 0) { // to improve speed
                  if (strcasecmp($sort, "totalgrade") != 0)
! 	$sort = "lastname"; // not valid so use default instead
              }
          }
***************
*** 149,159 ****
              if ($hasboth) {
                  if ($student->papergrade >= 0)
!                     $myxls->InsertNumber($student->papergrade);
                  else
!                     $myxls->InsertText("");
                  if ($student->aimgrade >= 0)
!                     $myxls->InsertNumber($student->aimgrade);
                  else
!                     $myxls->InsertText("");
              }
              $myxls->InsertNumber($student->totalgrade);
--- 151,161 ----
              if ($hasboth) {
                  if ($student->papergrade >= 0)
! 	$myxls->InsertNumber($student->papergrade);
                  else
! 	$myxls->InsertText("");
                  if ($student->aimgrade >= 0)
! 	$myxls->InsertNumber($student->aimgrade);
                  else
! 	$myxls->InsertText("");
              }
              $myxls->InsertNumber($student->totalgrade);
***************
*** 185,192 ****
              if ($hasboth) {
                  if ($student->papergrade >= 0)
!                     echo "$student->papergrade";
                  echo "\t";
                  if ($student->aimgrade >= 0)
!                     echo "$student->aimgrade";
                  echo "\t";
              }
--- 187,194 ----
              if ($hasboth) {
                  if ($student->papergrade >= 0)
! 	echo "$student->papergrade";
                  echo "\t";
                  if ($student->aimgrade >= 0)
! 	echo "$student->aimgrade";
                  echo "\t";
              }
***************
*** 227,235 ****
                  echo "<td>";
                  if ($student->aimgrade >= 0)
!                     echo $student->aimgrade;
                  else echo "&nbsp";
                  echo "</td><td>";
                  if ($student->papergrade >= 0)
!                     echo $student->papergrade;
                  else echo "&nbsp";
                  echo "</td>";
--- 229,237 ----
                  echo "<td>";
                  if ($student->aimgrade >= 0)
! 	echo $student->aimgrade;
                  else echo "&nbsp";
                  echo "</td><td>";
                  if ($student->papergrade >= 0)
! 	echo $student->papergrade;
                  else echo "&nbsp";
                  echo "</td>";
***************
*** 238,242 ****
                  echo "<td>";
                  if ($student->totalgrade > 0)
!                     echo $student->totalgrade;
                  else echo "&nbsp";
                  echo "</td>";
--- 240,244 ----
                  echo "<td>";
                  if ($student->totalgrade > 0)
! 	echo $student->totalgrade;
                  else echo "&nbsp";
                  echo "</td>";
***************
*** 279,285 ****
                  echo "<b>$strpaper $strgrade :</b> ";
                  if ($grade->papergrade >= 0)
!                     echo "$grade->papergrade / $math_assignment->papergrade";
                  else
!                     print_string("notmarked", "math_assignment");
                  echo "<br />";
              }
--- 281,287 ----
                  echo "<b>$strpaper $strgrade :</b> ";
                  if ($grade->papergrade >= 0)
! 	echo "$grade->papergrade / $math_assignment->papergrade";
                  else
! 	print_string("notmarked", "math_assignment");
                  echo "<br />";
              }
***************
*** 287,302 ****
                  echo "<b>$strcomputer $strgrade :</b> ";
                  if ($grade->aimgrade >= 0)
!                     echo "$grade->aimgrade / $math_assignment->aimgrade";
                  else
!                     print_string("notattempted", "math_assignment");
                  if ($grade->aimoverride > AIMOVR_RESET) {
!                     echo " (";
!                     print_string("gradeoverride", "math_assignment");
!                     echo ")";
                  }
                  echo "<br />";
                  if ($grade->aimcomment)
!                     echo "<b>" . $course->teacher . " " . get_string("comment", "math_assignment") . 
!                         ":</b> " . nl2br(htmlspecialchars($grade->aimcomment)) . "<br />";
              }
              if ($hasboth) {
--- 289,304 ----
                  echo "<b>$strcomputer $strgrade :</b> ";
                  if ($grade->aimgrade >= 0)
! 	echo "$grade->aimgrade / $math_assignment->aimgrade";
                  else
! 	print_string("notattempted", "math_assignment");
                  if ($grade->aimoverride > AIMOVR_RESET) {
! 	echo " (";
! 	print_string("gradeoverride", "math_assignment");
! 	echo ")";
                  }
                  echo "<br />";
                  if ($grade->aimcomment)
! 	echo "<b>" . $course->teacher . " " . get_string("comment", "math_assignment") . 
! 	    ":</b> " . nl2br(htmlspecialchars($grade->aimcomment)) . "<br />";
              }
              if ($hasboth) {
***************
*** 304,310 ****
                  echo "<b>$strtotal $strgrade :</b> ";
                  if ($totalgrade >= 0)
!                     echo " $totalgrade / $totalmax";
                  else
!                     print_string("notmarked", "math_assignment");
              }
          }
--- 306,312 ----
                  echo "<b>$strtotal $strgrade :</b> ";
                  if ($totalgrade >= 0)
! 	echo " $totalgrade / $totalmax";
                  else
! 	print_string("notmarked", "math_assignment");
              }
          }
***************
*** 316,320 ****
              if ($subject = get_record("math_assignment_subject", "course", $course->id)) {
                  if ($server = get_record("math_assignment_server", "id", $subject->server))
!                     $zonelink = $server->password;
              }
              echo math_assignment_get_admin_links($cm, $math_assignment, $zonelink, "right");
--- 318,322 ----
              if ($subject = get_record("math_assignment_subject", "course", $course->id)) {
                  if ($server = get_record("math_assignment_server", "id", $subject->server))
! 	$zonelink = $server->password;
              }
              echo math_assignment_get_admin_links($cm, $math_assignment, $zonelink, "right");
***************
*** 342,388 ****
                  $picture = print_user_picture($student->userid, $course->id, $student->picture, false, true);
                  if ($student->papergrade >= 0)
!                     $papergrade = $student->papergrade;
                  else
!                     $papergrade = "";
                  $papergrade = "<input type=\"text\" name=\"$student->userid\" size=\"10\" maxlength=\"10\" value=\"$papergrade\" tabindex=\"$i\" />";
                  if ($student->aimgrade >= 0)
!                     $aimgrade = $student->aimgrade;
                  else
!                     $aimgrade = "";
  
                  if ($student->aimoverride > AIMOVR_RESET) {
!                     $edited = "$stredited (";
!                     $editedclose = ")";
                  }
                  else if ($student->aimcomment) {
!                     $edited = "$strcommented (";
!                     $editedclose = ")";
                  }
                  else {
!                     $edited = "";
!                     $editedclose = "";
                  }
  
                  $email = "<a href=\"mailto:$student->email\">";
                  if ($CFG->math_assignment_default_email_host) {
!                     if (preg_match("/^(.*)@(.*)$/", $student->email, $matches)) {
!                         if (strcmp($matches[2], $CFG->math_assignment_default_email_host) == 0)
!                             $email .= "$matches[1]</a>";
!                         else
!                             $email .= "$student->email</a>";
!                     }
!                     else
!                         $email .= "$student->email</a>";
                  }
                  else
!                     $email .= "$student->email</a>";
                  if ($hasboth)
!                     $table->data[] = array($picture, $student->firstname, $student->lastname, $email, $papergrade, 
!                           "$aimgrade $edited<a href=\"editgrade.php?id=$math_assignment->id&amp;userid=$student->userid\">$stredit</a>$editedclose", $student->totalgrade);
                  else if ($haspaper)
!                     $table->data[] = array($picture, $student->firstname, $student->lastname, $email, $papergrade);
                  else if ($hasaim)
!                     $table->data[] = array($picture, $student->firstname, $student->lastname, $email,
!                           "$aimgrade $edited<a href=\"editgrade.php?id=$math_assignment->id&amp;userid=$student->userid\">$stredit</a>$editedclose");
                  
                  $i++;
--- 344,390 ----
                  $picture = print_user_picture($student->userid, $course->id, $student->picture, false, true);
                  if ($student->papergrade >= 0)
! 	$papergrade = $student->papergrade;
                  else
! 	$papergrade = "";
                  $papergrade = "<input type=\"text\" name=\"$student->userid\" size=\"10\" maxlength=\"10\" value=\"$papergrade\" tabindex=\"$i\" />";
                  if ($student->aimgrade >= 0)
! 	$aimgrade = $student->aimgrade;
                  else
! 	$aimgrade = "";
  
                  if ($student->aimoverride > AIMOVR_RESET) {
! 	$edited = "$stredited (";
! 	$editedclose = ")";
                  }
                  else if ($student->aimcomment) {
! 	$edited = "$strcommented (";
! 	$editedclose = ")";
                  }
                  else {
! 	$edited = "";
! 	$editedclose = "";
                  }
  
                  $email = "<a href=\"mailto:$student->email\">";
                  if ($CFG->math_assignment_default_email_host) {
! 	if (preg_match("/^(.*)@(.*)$/", $student->email, $matches)) {
! 	    if (strcmp($matches[2], $CFG->math_assignment_default_email_host) == 0)
! 	        $email .= "$matches[1]</a>";
! 	    else
! 	        $email .= "$student->email</a>";
! 	}
! 	else
! 	    $email .= "$student->email</a>";
                  }
                  else
! 	$email .= "$student->email</a>";
                  if ($hasboth)
! 	$table->data[] = array($picture, $student->firstname, $student->lastname, $email, $papergrade, 
! 	      "$aimgrade $edited<a href=\"editgrade.php?id=$math_assignment->id&amp;userid=$student->userid\">$stredit</a>$editedclose", $student->totalgrade);
                  else if ($haspaper)
! 	$table->data[] = array($picture, $student->firstname, $student->lastname, $email, $papergrade);
                  else if ($hasaim)
! 	$table->data[] = array($picture, $student->firstname, $student->lastname, $email,
! 	      "$aimgrade $edited<a href=\"editgrade.php?id=$math_assignment->id&amp;userid=$student->userid\">$stredit</a>$editedclose");
                  
                  $i++;
***************
*** 405,412 ****
                  echo "</td></tr></table></form>\n";
                  if (!$math_assignment->papersheetsreturned) {
!                     echo "<table border=\"0\" align=\"center\"><tr><td>";
!                     $options = array("id"=>$cm->id); 
!                     print_single_button("email.php", $options, get_string("emailstudents", "math_assignment"));
!                     echo "</td></tr></table>\n";
                  }
              }
--- 407,414 ----
                  echo "</td></tr></table></form>\n";
                  if (!$math_assignment->papersheetsreturned) {
! 	echo "<table border=\"0\" align=\"center\"><tr><td>";
! 	$options = array("id"=>$cm->id); 
! 	print_single_button("email.php", $options, get_string("emailstudents", "math_assignment"));
! 	echo "</td></tr></table>\n";
                  }
              }
***************
*** 434,446 ****
              }
          }
!         else {
!             echo math_assignment_get_file_links($math_assignment, "center");
!             if ($hasaim) {
!                 if ($grade->aimoverride > AIMOVR_RESET) {
!                      echo "<p align=\"center\">";
!                      print_string("gradeoverridemsg", "math_assignment");
!                      echo "</p>";
                  }
-                 echo "<p align=\"center\"><a href=\"aimpage.php?id=$cm->id\">" . get_string("viewquiz", "math_assignment") . "</a></p>";
              }
          }
--- 436,460 ----
              }
          }
!         else { // This is for the student
!             // First get seed
!             if (!$seed = get_record("math_assignment_seed", "assignment", $math_assignment->id, "student", $USER->id)) {
!                 // No seed set yet, so ask the student
!                 echo "<form action=\"setseed.php\" method=\"GET\">\n";
!                 echo get_string("enterid", "math_assignment");
!                 echo "<input type=\"text\" name=\"sheetid\" size=\"8\" maxlength=\"8\" />\n";
!                 echo "<input type=\"hidden\" name=\"assignment\" value=\"$math_assignment->id\" />\n";
!                 echo "<input type=\"hidden\" name=\"student\" value=\"$USER->id\" />\n";
!                 echo "<input type=\"submit\" value=\"Submit\"><br />";
!             }
!             else {
!                 echo math_assignment_get_file_links($math_assignment, "center");
!                 if ($hasaim) {
! 	if ($grade->aimoverride > AIMOVR_RESET) {
! 	     echo "<p align=\"center\">";
! 	     print_string("gradeoverridemsg", "math_assignment");
! 	     echo "</p>";
! 	}
! 	echo "<p align=\"center\"><a href=\"aimpage.php?id=$cm->id\">" . get_string("viewquiz", "math_assignment") . "</a></p>";
                  }
              }
          }