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Diff for /loncom/homework/lonhomework.pm between versions 1.97 and 1.132

version 1.97, 2002/10/16 19:29:44 version 1.132, 2003/05/23 06:45:45
Line 48  use Apache::optionresponse(); Line 48  use Apache::optionresponse();
 use Apache::imageresponse();  use Apache::imageresponse();
 use Apache::essayresponse();  use Apache::essayresponse();
 use Apache::externalresponse();  use Apache::externalresponse();
   use Apache::rankresponse();
   use Apache::matchresponse();
   #use Apache::chemresponse();
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use HTML::Entities();  use HTML::Entities();
 use Apache::loncommon();  use Apache::loncommon();
Line 58  BEGIN { Line 61  BEGIN {
 }  }
   
 sub get_target {  sub get_target {
   if ( $ENV{'request.state'} eq "published") {    if (($ENV{'request.state'} eq "published") ||
         ($ENV{'request.state'} eq "uploaded")) {
     if ( defined($ENV{'form.grade_target'}  )       if ( defined($ENV{'form.grade_target'}  ) 
  && ($ENV{'form.grade_target'} eq 'tex')) {   && ($ENV{'form.grade_target'} eq 'tex')) {
       return ($ENV{'form.grade_target'});        return ($ENV{'form.grade_target'});
     } elsif ( defined($ENV{'form.grade_target'}  )       } elsif ( defined($ENV{'form.grade_target'}  ) 
  && ($Apache::lonhomework::viewgrades == 'F' )) {   && ($Apache::lonhomework::viewgrades eq 'F' )) {
       return ($ENV{'form.grade_target'});        return ($ENV{'form.grade_target'});
     }      }
     
     if ( defined($ENV{'form.submitted'})) {      if ( defined($ENV{'form.submitted'}) &&
    ( !defined($ENV{'form.resetdata'}))) {
       return ('grade', 'web');        return ('grade', 'web');
     } else {      } else {
       return ('web');        return ('web');
Line 144  $Apache::lonxml::browse=''; Line 149  $Apache::lonxml::browse='';
 sub check_access {  sub check_access {
   my ($id) = @_;    my ($id) = @_;
   my $date ='';    my $date ='';
   my $status = '';    my $status;
   my $datemsg = '';    my $datemsg = '';
   my $lastdate = '';    my $lastdate = '';
   my $temp;    my $temp;
   my $type;    my $type;
   my $passed;    my $passed;
   
     if ($ENV{'request.state'} eq "construct") {
       &Apache::lonxml::debug("in construction ignoring dates");
       $status='CAN_ANSWER';
       $datemsg='is in under construction';
       return ($status,$datemsg);
     }
   
   &Apache::lonxml::debug("checking for part :$id:");    &Apache::lonxml::debug("checking for part :$id:");
   &Apache::lonxml::debug("time:".time);    &Apache::lonxml::debug("time:".time);
   foreach $temp ("opendate","duedate","answerdate") {    foreach $temp ("opendate","duedate","answerdate") {
     $lastdate = $date;      $lastdate = $date;
     $date = &Apache::lonnet::EXT("resource.$id.$temp");      $date = &Apache::lonnet::EXT("resource.$id.$temp");
     my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type");      my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type");
       if ($thistype =~ /^(con_lost|no_such_host)/ ||
    $date     =~ /^(con_lost|no_such_host)/) {
    $status='UNAVAILABLE';
    $date="may open later.";
    return($status,$date);
       }
     if ($thistype eq 'date_interval') {      if ($thistype eq 'date_interval') {
  if ($temp eq 'opendate') {   if ($temp eq 'opendate') {
            $date=&Apache::lonnet::EXT("resource.$id.duedate")-$date;             $date=&Apache::lonnet::EXT("resource.$id.duedate")-$date;
Line 190  sub check_access { Line 209  sub check_access {
     $datemsg = "was due on $lastdate, and answers will be available on $date";      $datemsg = "was due on $lastdate, and answers will be available on $date";
   }    }
   if ($status eq 'CAN_ANSWER') {    if ($status eq 'CAN_ANSWER') {
     #check #tries      #check #tries, and if correct.
     my $tries = $Apache::lonhomework::history{"resource.$id.tries"};      my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
     my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");      my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
     if ( $tries eq '' ) { $tries = '0'; }      if ( $tries eq '' ) { $tries = '0'; }
     if ( $maxtries eq '' ) { $maxtries = '2'; }       if ( $maxtries eq '' ) { $maxtries = '2'; } 
     if ($tries >= $maxtries) { $status = 'CANNOT_ANSWER'; }       if ($tries >= $maxtries) { $status = 'CANNOT_ANSWER'; }
       # if (correct and show prob status) or excused then CANNOT_ANSWER
       if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/
    &&
    lc($Apache::lonhomework::problemstatus) ne 'no')
          ||
          $Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {
    $status = 'CANNOT_ANSWER';
       }
   }    }
   
   if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') &&    if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') &&
Line 210  sub check_access { Line 237  sub check_access {
     $status='CAN_ANSWER';      $status='CAN_ANSWER';
     $datemsg='is closed but you are allowed to view it';      $datemsg='is closed but you are allowed to view it';
   }    }
   if ($ENV{'request.state'} eq "construct") {  
     &Apache::lonxml::debug("in construction ignoring dates");  
     $status='CAN_ANSWER';  
     $datemsg='is in under construction';  
   }  
   return ($status,$datemsg);    return ($status,$datemsg);
 }  }
   
 sub showhash {  sub showhash {
   my (%hash) = @_;    my (%hash) = @_;
   &showhashsubset(\%hash,'');    &showhashsubset(\%hash,'.');
   return '';    return '';
 }  }
   
   sub showarray {
       my ($array)=@_;
       my $string="(";
       foreach my $elm (@{ $array }) {
    if (ref($elm)) {
       if ($elm =~ /ARRAY/ ) {
    $string.=&showarray($elm);
       }
    } else {
       $string.="$elm,"
    }
       }
       chop($string);
       $string.=")";
       return $string;
   }
   
 sub showhashsubset {  sub showhashsubset {
   my ($hash,$keyre) = @_;    my ($hash,$keyre) = @_;
   my $resultkey;    my $resultkey;
Line 231  sub showhashsubset { Line 271  sub showhashsubset {
     if ($resultkey =~ /$keyre/) {      if ($resultkey =~ /$keyre/) {
       if (ref($$hash{$resultkey})) {        if (ref($$hash{$resultkey})) {
  if ($$hash{$resultkey} =~ /ARRAY/ ) {   if ($$hash{$resultkey} =~ /ARRAY/ ) {
   my $string="$resultkey ---- (";      &Apache::lonxml::debug("$resultkey ---- ".
   foreach my $elm (@{ $$hash{$resultkey} }) {     &showarray($$hash{$resultkey}));
     $string.="$elm,";   } elsif ($$hash{$resultkey} =~ /HASH/ ) {
   }      &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
   chop($string);      &showhashsubset($$hash{$resultkey},'.');
   &Apache::lonxml::debug("$string)");  
  } else {   } else {
   &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");      &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
  }   }
       } else {        } else {
  &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");   &Apache::lonxml::debug("$resultkey ---- $$hash{$resultkey}");
Line 251  sub showhashsubset { Line 290  sub showhashsubset {
   
 sub setuppermissions {  sub setuppermissions {
   $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$ENV{'request.filename'});    $Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$ENV{'request.filename'});
   $Apache::lonhomework::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});    my $viewgrades = &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
     if (! $viewgrades && 
         exists($ENV{'request.course.sec'}) && 
         $ENV{'request.course.sec'} !~ /^\s*$/) {
         $viewgrades = &Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}.
                                                  '/'.$ENV{'request.course.sec'});
     }
     $Apache::lonhomework::viewgrades = $viewgrades;
   return ''    return ''
 }  }
   
 sub setupheader {  sub setupheader {
   my $request=$_[0];      my $request=$_[0];
   if ($ENV{'browser.mathml'}) {      if ($ENV{'browser.mathml'}) {
     $request->content_type('text/xml');   $request->content_type('text/xml');
   } else {      } else {
     $request->content_type('text/html');   $request->content_type('text/html');
   }      }
   if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) {      $request->content_encoding('UTF-8');
     &Apache::loncommon::no_cache($request);      if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) {
   }   &Apache::loncommon::no_cache($request);
   $request->send_http_header;      }
   return OK if $request->header_only;      $request->send_http_header;
   return ''      return OK if $request->header_only;
       return ''
 }  }
   
 sub handle_save_or_undo {  sub handle_save_or_undo {
Line 309  sub handle_save_or_undo { Line 356  sub handle_save_or_undo {
   return $error;    return $error;
 }  }
   
   sub analyze_header {
       my ($request) = @_;
       my $result.='<html>
               <head><title>Analyzing a problem</title></head>
               <body bgcolor="#FFFFFF">
               <form name="lonhomework" method="POST" action="'.
         $ENV{'request.uri'}.'">
               <input type="submit" name="problemmode" value="EditXML" />
               <input type="submit" name="problemmode" value="Edit" />
               <hr />
               <input type="submit" name="submit" value="View" />
               <hr />
               List of possible answers:
               </form>';
       $request->print($result);
       $request->rflush();
   }
   
   sub analyze_footer {
       my ($request) = @_;
       my $result='</body></html>';
       $request->print($result);
       $request->rflush();
   }
   
 sub analyze {  sub analyze {
   my ($request,$file) = @_;      my ($request,$file) = @_;
   &Apache::lonxml::debug("Analyze");      &Apache::lonxml::debug("Analyze");
   my $result=&Apache::lonnet::ssi($request->uri,('grade_target' => 'analyze'));      my $result;
   &Apache::lonxml::debug(":$result:");      my %overall;
   (my $garbage,$result)=split(/_HASH_REF__/,$result,2);      my %allparts;
   &showhash(&Apache::lonnet::str2hash($result));      my $rndseed=$ENV{'form.rndseed'};
   return $result;      &analyze_header($request);
       my %prog_state=
    &Apache::lonhtmlcommon::Create_PrgWin($request,'Analyze Progress',
         'Getting Problem Variants',
         $ENV{'form.numtoanalyze'});
       for(my $i=1;$i<$ENV{'form.numtoanalyze'}+1;$i++) {
    &Apache::lonhtmlcommon::Increment_PrgWin($request,\%prog_state,
    'last problem');
    my $subresult=&Apache::lonnet::ssi($request->uri,
      ('grade_target' => 'analyze'),
      ('rndseed' => $i+$rndseed));
    (my $garbage,$subresult)=split(/_HASH_REF__/,$subresult,2);
    my %analyze=&Apache::lonnet::str2hash($subresult);
    my @parts;
    if (defined(@{ $analyze{'parts'} })) {
       @parts=@{ $analyze{'parts'} };
    }
    foreach my $part (@parts) {
       if (!exists($allparts{$part})) {$allparts{$part}=1;};
       if ($analyze{$part.'.type'} eq 'numericalresponse' ||
    $analyze{$part.'.type'} eq 'stringresponse' ||
    $analyze{$part.'.type'} eq 'formularesponse'   ) {
    push( @{ $overall{$part.'.answer'} },
         [@{ $analyze{$part.'.answer'} }]);
       }
    }
       }
       &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,
     'Analyzing Results');
       foreach my $part (keys(%allparts)) {
    if (defined(@{ $overall{$part.'.answer'} })) {
       my $num_cols=scalar(@{ $overall{$part.'.answer'}->[0] });
       $request->print('<table><tr><td colspan="'.($num_cols+1).'">Part '.$part.'</td></tr>');
       my %frequency;
       foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'} })) {
    $frequency{join("\0",@{ $answer })}++;
       }
       $request->print('<tr><td colspan="'.($num_cols).'">Answer</td><td>Frequency</td></tr>');
       foreach my $answer (sort {(split("\0",$a))[0] <=> (split("\0",$b))[0]} (keys(%frequency))) {
    $request->print('<tr><td align="right">'.
    join('</td><td align="right">',split("\0",$answer)).
    '</td><td>('.$frequency{$answer}.
    ')</td></tr>');
       }
       $request->print('</table>');
    } else {
       $request->print('<p>Part '.$part.
       ' is not analyzable at this time</p>');
    }
       }
       if (scalar(keys(%allparts)) == 0 ) {
    $request->print('<p>Found no analyzable parts in this problem,
                            currently only Numerical, Formula and String response
                            styles are supported.</p>');
       }
       &Apache::lonhtmlcommon::Close_PrgWin($request,\%prog_state);
       &analyze_footer($request);
       &Apache::lonhomework::showhash(%overall);
       return $result;
 }  }
   
 sub editxmlmode {  sub editxmlmode {
   my ($request,$file) = @_;    my ($request,$file) = @_;
   my $result;    my $result;
   my $problem=&Apache::lonnet::getfile($file);    my $problem=&Apache::lonnet::getfile($file);
   if ($problem == -1) {    if ($problem eq -1) {
     &Apache::lonxml::error("<b> Unable to find <i>$file</i></b>");      &Apache::lonxml::error("<b> Unable to find <i>$file</i></b>");
     $problem='';      $problem='';
   }    }
Line 339  sub editxmlmode { Line 469  sub editxmlmode {
     &renderpage($request,$file);      &renderpage($request,$file);
   } else {    } else {
     my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);      my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);
     my $xml_help = Apache::loncommon::help_open_topic("Problem_Editor_XML_Index");      my $xml_help = '<table><tr><td>'.
    &Apache::loncommon::help_open_topic("Problem_Editor_XML_Index",'Problem Editing Help')
       .'</td><td>'.
    &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
       undef,undef,600)
       .'</td><td>'.
           &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
       undef,undef,600)
       .'</td></tr></table>';
     if ($cols > 80) { $cols = 80; }      if ($cols > 80) { $cols = 80; }
     if ($cols < 70) { $cols = 70; }      if ($cols < 70) { $cols = 70; }
     if ($rows < 20) { $rows = 20; }      if ($rows < 20) { $rows = 20; }
Line 354  sub editxmlmode { Line 492  sub editxmlmode {
             <input type="submit" name="submit" value="Submit Changes and View" />              <input type="submit" name="submit" value="Submit Changes and View" />
             <input type="submit" name="Undo" value="undo" />              <input type="submit" name="Undo" value="undo" />
             <hr />              <hr />
             ' . $xml_help . ' Problem Help<br>              ' . $xml_help . '
             <textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.              <textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.
       &HTML::Entities::encode($problem).'</textarea>        &HTML::Entities::encode($problem).'</textarea>
             </form></body></html>';              </form></body></html>';
Line 371  sub renderpage { Line 509  sub renderpage {
   foreach my $target (@targets) {    foreach my $target (@targets) {
     #my $t0 = [&gettimeofday()];      #my $t0 = [&gettimeofday()];
     my $problem=&Apache::lonnet::getfile($file);      my $problem=&Apache::lonnet::getfile($file);
     if ($problem == -1) {      if ($problem eq -1) {
       &Apache::lonxml::error("<b> Unable to find <i>$file</i></b>");        &Apache::lonxml::error("<b> Unable to find <i>$file</i></b>");
       $problem='';        $problem='';
     }      }
   
     my %mystyle;      my %mystyle;
     my $result = '';      my $result = '';
     &Apache::inputtags::initialize_inputtags();      if ($target eq 'analyze') { %Apache::lonhomework::analyze=(); }
     &Apache::outputtags::initialize_outputtags();  
     &Apache::edit::initialize_edit();  
     if ($target eq 'analyze') { %Apache::lonhomework::anaylze=(); }  
     if ($target eq 'web') {  
       my ($symb)=&Apache::lonxml::whichuser();  
       if ($symb eq '') {  
  if ($ENV{'request.state'} eq "construct") {  
  } else {  
           my $help = Apache::loncommon::help_open_topic("Ambiguous_Reference");  
   $request->print("Browsing or <a href=\"/adm/ambiguous\">ambiguous</a> reference, submissions ignored $help<br />");  
  }  
       }  
       #if ($Apache::lonhomework::viewgrades eq 'F') {&createmenu('grade',$request); }  
     }  
     if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); }      if ($target eq 'answer') { &showhash(%Apache::lonhomework::history); }
     if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%ENV,'^form');}      if ($target eq 'web') {&Apache::lonhomework::showhashsubset(\%ENV,'^form');}
   
     my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm');  
     if ($default == -1) {  
       &Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");  
       $default='';  
     }  
     &Apache::lonxml::debug("Should be parsing now");      &Apache::lonxml::debug("Should be parsing now");
     $result = &Apache::lonxml::xmlparse($request, $target, $problem,      $result = &Apache::lonxml::xmlparse($request, $target, $problem,
  $default.&setup_vars($target),%mystyle);   &setup_vars($target),%mystyle);
       undef($Apache::lonhomework::parsing_a_problem);
     #$request->print("Result follows:");      #$request->print("Result follows:");
     if ($target eq 'modified') {      if ($target eq 'modified') {
       &handle_save_or_undo($request,\$problem,\$result);        &handle_save_or_undo($request,\$problem,\$result);
Line 419  sub renderpage { Line 538  sub renderpage {
  #$result.="<br />Spent $td seconds processing target $target\n</body>";   #$result.="<br />Spent $td seconds processing target $target\n</body>";
       #}        #}
       $request->print($result);        $request->print($result);
         $request->rflush();
     }      }
     #$request->print(":Result ends");      #$request->print(":Result ends");
     #my $td=&tv_interval($t0);      #my $td=&tv_interval($t0);
Line 438  sub get_template_list { Line 558  sub get_template_list {
       $result=$file;        $result=$file;
       last;        last;
     } else {      } else {
       push (@allnames, $name);   if ($name) { push (@allnames, $name); }
     }      }
   }    }
   if (@allnames && !$result) {    if (@allnames && !$result) {
     $result="<option>Select a $extension type</option>\n<option>".      $result="<option>Select a $extension template</option>\n<option>".
       join('</option><option>',sort(@allnames)).'</option>';   join('</option><option>',sort(@allnames)).'</option>';
   }    }
   return $result;    return $result;
 }  }
Line 453  sub newproblem { Line 573  sub newproblem {
     my $extension=$request->uri;      my $extension=$request->uri;
     $extension=~s:^.*\.([\w]+)$:$1:;      $extension=~s:^.*\.([\w]+)$:$1:;
     &Apache::lonxml::debug("Looking for :$extension:");      &Apache::lonxml::debug("Looking for :$extension:");
       my $templatelist=&get_template_list('',$extension);
     if ($ENV{'form.template'} &&      if ($ENV{'form.template'} &&
  $ENV{'form.template'} ne "Select a $extension type") {   $ENV{'form.template'} ne "Select a $extension template") {
  use File::Copy;   use File::Copy;
  my $file = &get_template_list($ENV{'form.template'},$extension);   my $file = &get_template_list($ENV{'form.template'},$extension);
  my $dest = &Apache::lonnet::filelocation("",$request->uri);   my $dest = &Apache::lonnet::filelocation("",$request->uri);
  copy($file,$dest);   copy($file,$dest);
  &renderpage($request,$dest);   &renderpage($request,$dest);
     } elsif($ENV{'form.newfile'}) {      } elsif($ENV{'form.newfile'} && !$templatelist) {
  # I don't like hard-coded filenames but for now, this will work.   # I don't like hard-coded filenames but for now, this will work.
  use File::Copy;   use File::Copy;
  my $templatefilename =    my $templatefilename =
     $request->dir_config('lonIncludes').'/templates/blank.problem';      $request->dir_config('lonIncludes').'/templates/blank.problem';
  &Apache::lonxml::debug("$templatefilename");   &Apache::lonxml::debug("$templatefilename");
  my $dest = &Apache::lonnet::filelocation("",$request->uri);   my $dest = &Apache::lonnet::filelocation("",$request->uri);
  copy($templatefilename,$dest);   copy($templatefilename,$dest);
  &renderpage($request,$dest);   &renderpage($request,$dest);
     } else {      } else {
  my $templatelist=&get_template_list('',$extension);  
  my $url=$request->uri;   my $url=$request->uri;
  my $dest = &Apache::lonnet::filelocation("",$request->uri);   my $dest = &Apache::lonnet::filelocation("",$request->uri);
    my $errormsg;
    if ($ENV{'form.newfile'}) {
       $errormsg='<p><font color="red">You did not select a template.</font></p>'."\n";
    }
  my $instructions;   my $instructions;
  if ($templatelist) { $instructions=", select a template from the pull-down menu below. Then";}   if ($templatelist) { $instructions=", select a template from the pull-down menu below.<br />Then";}
  $request->print(<<ENDNEWPROBLEM);   $request->print(<<ENDNEWPROBLEM);
 <body bgcolor="#FFFFFF">  <body bgcolor="#FFFFFF">
 The requested file $url doesn\'t exist. <br />  <h1>Creating a new $extension resource</h1>
 To create a new $extension$instructions click on the Create $extension button.  $errormsg
 <form action="$url" method="POST">  The requested file <tt>$url</tt> currently does not exist.
   <p>
   <b>To create a new $extension$instructions click on the "Create $extension" button.</b>
   </p>
   <p><form action="$url" method="POST">
 ENDNEWPROBLEM  ENDNEWPROBLEM
  if (defined($templatelist)) {   if (defined($templatelist)) {
     $request->print("<select name=\"template\">$templatelist</select>");      $request->print("<select name=\"template\">$templatelist</select>");
  }   }
  $request->print("<br /><input type=\"submit\" name=\"newfile\" value=\"Create $extension\" />");   $request->print("<br /><input type=\"submit\" name=\"newfile\" value=\"Create $extension\" />");
  $request->print("</form></body>");   $request->print("</form></p></body>");
     }      }
     return '';      return '';
 }  }
Line 507  sub handler { Line 635  sub handler {
   #my $t0 = [&gettimeofday()];    #my $t0 = [&gettimeofday()];
   my $request=$_[0];    my $request=$_[0];
   
 #  if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;}  
   $Apache::lonxml::debug=$ENV{'user.debug'};    $Apache::lonxml::debug=$ENV{'user.debug'};
   
   if (&setupheader($request)) { return OK; }    if (&setupheader($request)) { return OK; }
Line 539  sub handler { Line 666  sub handler {
     }      }
   }    }
   
     my ($symb) = &Apache::lonxml::whichuser();
     &Apache::lonxml::debug('symb is '.$symb);
     if ($ENV{'request.state'} eq "construct" || $symb eq '') {
         if ($ENV{'form.resetdata'} eq 'Reset Submissions' ||
     $ENV{'form.resetdata'} eq 'New Problem Variation' ) {
     my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
     &Apache::lonnet::tmpreset($symb,'',$domain,$name);
         }
     }
   if ($ENV{'request.state'} eq "construct") {    if ($ENV{'request.state'} eq "construct") {
     if ($ENV{'form.resetdata'} eq 'Reset Submissions') {  
       my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();  
       &Apache::lonnet::tmpreset($symb,'',$domain,$name);  
     }  
     if ( -e $file ) {      if ( -e $file ) {
       if (!(defined $ENV{'form.problemmode'})) {        if (!(defined $ENV{'form.problemmode'})) {
  #first visit to problem in construction space   #first visit to problem in construction space
Line 552  sub handler { Line 684  sub handler {
  &renderpage($request,$file);   &renderpage($request,$file);
       } elsif ($ENV{'form.problemmode'} eq 'EditXML') {        } elsif ($ENV{'form.problemmode'} eq 'EditXML') {
  &editxmlmode($request,$file);   &editxmlmode($request,$file);
       } elsif ($ENV{'form.problemmode'} eq 'Answer Distribution') {        } elsif ($ENV{'form.problemmode'} eq 'Calculate answers') {
  &analyze($request,$file);   &analyze($request,$file);
       } else {        } else {
  &renderpage($request,$file);   &renderpage($request,$file);
Removed from v.1.97  
changed lines
  Added in v.1.132

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.