Diff for /loncom/homework/structuretags.pm between versions 1.160 and 1.175

version 1.160, 2003/04/03 14:53:44 version 1.175, 2003/05/15 21:44:23
Line 38  use Apache::File(); Line 38  use Apache::File();
 use Apache::lonmenu;  use Apache::lonmenu;
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext'));      &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext'));
 }  }
   
 sub start_web {  sub start_web {
Line 104  sub page_start { Line 104  sub page_start {
  }   }
  $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);   $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
  if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {   if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
     my ($symb)=&Apache::lonxml::whichuser();      my ($symb,undef,undef,undef,$publicuser)=
     if ($symb eq '') {   &Apache::lonxml::whichuser();
       if ($symb eq '' && !$publicuser) {
  my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");   my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
  $help="Browsing or <a href=\"/adm/ambiguous\">ambiguous</a> reference, submissions ignored $help<br />";   $help="Browsing resource, all submissions are temporary.<br />";
  $body_tag_start.=$help;   $body_tag_start.=$help;
     }      }
  }   }
Line 135  sub get_resource_name { Line 136  sub get_resource_name {
 sub setup_rndseed {  sub setup_rndseed {
     my ($safeeval)=@_;      my ($safeeval)=@_;
     my $rndseed;      my $rndseed;
     if ($ENV{'request.state'} eq "construct") {      my ($symb)=&Apache::lonxml::whichuser();
       if ($ENV{'request.state'} eq "construct" || $symb eq '') {
  $rndseed=$ENV{'form.rndseed'};   $rndseed=$ENV{'form.rndseed'};
  if (!$rndseed) {   if (!$rndseed) {
       $rndseed=$Apache::lonhomework::history{'rndseed'};
       if (!$rndseed) {
    $rndseed=time;
    $ENV{'form.rndseed'}=$rndseed;
       }
    }
    if ($ENV{'form.resetdata'} eq 'New Problem Variation' ||
       $ENV{'form.newrandomization'} eq 'New Randomization') {
     $rndseed=time;      $rndseed=time;
       if ($rndseed eq $ENV{'form.rndseed'}) {
    srand($rndseed);
    $rndseed=int(rand(1000000000));
       }
     $ENV{'form.rndseed'}=$rndseed;      $ENV{'form.rndseed'}=$rndseed;
  }   }
  &Apache::lonxml::debug("Setting rndseed to $rndseed");   &Apache::lonxml::debug("Setting rndseed to $rndseed");
Line 168  sub problem_web_to_edit_header { Line 182  sub problem_web_to_edit_header {
     my $result.='<input type="hidden" name="problemmode" value="View" />      my $result.='<input type="hidden" name="problemmode" value="View" />
              <input type="submit" name="problemmode" value="Edit" />               <input type="submit" name="problemmode" value="Edit" />
              <input type="submit" name="problemmode" value="EditXML" />               <input type="submit" name="problemmode" value="EditXML" />
              Random Seed:<input type="text" name="rndseed" width="10" value="'.               <input type="submit" name="newrandomization" value="New Randomization" />
        $rndseed.'" />  
              <input type="submit" name="changerandseed" value="Change" />  
              <input type="submit" name="resetdata" value="Reset Submissions" />               <input type="submit" name="resetdata" value="Reset Submissions" />
                <nobr><input type="submit" name="changerandseed" value="Change Random Seed To:" />
                 <input type="text" name="rndseed" width="10" value="'.
          $rndseed.'"
              onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
              <input type="checkbox" name="showallfoils" ';               <input type="checkbox" name="showallfoils" ';
     if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }      if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }
     $result.= ' />&nbsp;Show&nbsp;All&nbsp;Foils      $result.= ' />&nbsp;Show&nbsp;All&nbsp;Foils
Line 186  sub problem_web_to_edit_header { Line 202  sub problem_web_to_edit_header {
   
 sub initialize_storage {  sub initialize_storage {
     %Apache::lonhomework::results=();      %Apache::lonhomework::results=();
       %Apache::lonhomework::history=();
     my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();      my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
     if ($ENV{'request.state'} eq 'construct') {      if ($ENV{'request.state'} eq 'construct' || $symb eq '') {
  %Apache::lonhomework::history=   %Apache::lonhomework::history=
     &Apache::lonnet::tmprestore($ENV{'request.uri'},'',$domain,$name);      &Apache::lonnet::tmprestore($ENV{'request.uri'},'',$domain,$name);
  my ($temp)=keys %Apache::lonhomework::history ;   my ($temp)=keys %Apache::lonhomework::history ;
Line 210  sub finalize_storage { Line 227  sub finalize_storage {
     my ($temp) = keys %Apache::lonhomework::results;      my ($temp) = keys %Apache::lonhomework::results;
     if ( $temp ne '' ) {      if ( $temp ne '' ) {
  my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();   my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
  if ($ENV{'request.state'} eq 'construct') {   if ($ENV{'request.state'} eq 'construct' || $symb eq '') {
       $Apache::lonhomework::results{'rndseed'}=$ENV{'form.rndseed'};
     $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,      $result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results,
  $ENV{'request.uri'},'',$domain,$name);   $ENV{'request.uri'},'',$domain,$name);
     &Apache::lonxml::debug('Construct Store return message:'.$result);      &Apache::lonxml::debug('Construct Store return message:'.$result);
Line 251  sub start_problem { Line 269  sub start_problem {
  my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);   my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
  return '';   return '';
     }      }
 #intialize globals  #initialize globals
     $Apache::inputtags::part='0';      $Apache::inputtags::part='0';
     @Apache::inputtags::responselist = ();      @Apache::inputtags::responselist = ();
     @Apache::inputtags::previous=();      @Apache::inputtags::previous=();
     @Apache::inputtags::previous_version=();      @Apache::inputtags::previous_version=();
     $Apache::structuretags::printanswer='No';      $Apache::structuretags::printanswer='No';
       @Apache::structuretags::whileconds=();
       @Apache::structuretags::whilebody=();
       @Apache::structuretags::whileline=();
       $Apache::lonhomework::scantronmode=0;
       $Apache::lonhomework::problemstatus=
    &Apache::lonnet::EXT('resource.0.problemstatus');
   
       if (defined($ENV{'scantron.maxquest'})) {
    $Apache::lonhomework::scantronmode=1;
       }
   
     if ($target ne 'analyze') {      if ($target ne 'analyze') {
  &initialize_storage();   &initialize_storage();
  if ($target eq 'web') {   if ($target eq 'web') {
Line 265  sub start_problem { Line 294  sub start_problem {
  $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');   $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
  &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");   &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
     }      }
     if ($Apache::lonhomework::type eq '') {      if ($Apache::lonhomework::type eq '' ) {
  my $uri=$ENV{'request.uri'};   my $uri=$ENV{'request.uri'};
  if ($uri=~/\.(\w+)$/) {   if ($uri=~/\.(\w+)$/) {
     $Apache::lonhomework::type=$1;      $Apache::lonhomework::type=$1;
Line 304  sub start_problem { Line 333  sub start_problem {
   
  #handle rand seed in construction space   #handle rand seed in construction space
  my $rndseed=&setup_rndseed($safeeval);   my $rndseed=&setup_rndseed($safeeval);
    my ($symb)=&Apache::lonxml::whichuser();
    if ($ENV{'request.state'} ne "construct" && $symb eq '') {
       $form_tag_start.='<input type="hidden" name="rndseed" value="'.
    $rndseed.'" />'.
       '<input type="submit" name="resetdata"
                                value="New Problem Variation" />'.
       '<input type="hidden" name="username"
                                value="'.$ENV{'form.username'}.'" />';
    }
  ($status,$accessmsg) = &Apache::lonhomework::check_access('0');   ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
  push (@Apache::inputtags::status,$status);   push (@Apache::inputtags::status,$status);
  my $expression='$external::datestatus="'.$status.'";';   my $expression='$external::datestatus="'.$status.'";';
Line 449  sub end_problem { Line 487  sub end_problem {
     ($target eq 'answer') || ($target eq 'tex')      ($target eq 'answer') || ($target eq 'tex')
    ) {     ) {
     if ($status eq 'CAN_ANSWER') {      if ($status eq 'CAN_ANSWER') {
  if ($target ne 'tex') {   if ($target ne 'tex' &&
       $ENV{'form.answer_output_mode'} ne 'tex') {
     $result.="</form></body>\n";      $result.="</form></body>\n";
  }   }
     } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' ||      } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' ||
Line 461  sub end_problem { Line 500  sub end_problem {
     if ($target eq 'web') {      if ($target eq 'web') {
  $result.=&Apache::lonxml::xmlend();   $result.=&Apache::lonxml::xmlend();
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  $result .= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';   $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
  if (not $ENV{'request.symb'} =~ m/\.page_/) {   if (not $ENV{'request.symb'} =~ m/\.page_/) {
     $result .= '\end{minipage}\end{document} ';      $result .= '\end{minipage}\end{document} ';
  } else {   } else {
Line 473  sub end_problem { Line 512  sub end_problem {
     &Apache::lonhomework::showhash(%Apache::lonhomework::results);      &Apache::lonhomework::showhash(%Apache::lonhomework::results);
     &finalize_storage();      &finalize_storage();
  }   }
  if ($target eq 'answer' && ($ENV{'request.state'} eq 'construct') ) {   if ($target eq 'answer' && ($ENV{'request.state'} eq 'construct')
     $result.='</html>'; #normally we get it from xmlend, but in CSTR      && $ENV{'form.answer_output_mode'} ne 'tex') {
       $result.='</html>'; # normally we get it from xmlend, but in CSTR
                         # we always show answer mode too.                          # we always show answer mode too.
  }   }
     } elsif ($target eq 'meta') {      } elsif ($target eq 'meta') {
Line 579  sub end_block { Line 619  sub end_block {
     return $result;      return $result;
 }  }
   
   sub start_languageblock {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
       my $result;
   
       if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
    $target eq 'tex' || $target eq 'analyze') {
    my $include = $token->[2]->{'include'};
    my $exclude = $token->[2]->{'exclude'};
           my %languages=&Apache::loncommon::display_languages();
           $result='1';
    if ($include) {
               $result='';
               foreach (split(/\,/,$include)) {
                   if ($languages{$_}) { $result='1'; }
               }
    }
           if ($exclude) {
               foreach (split(/\,/,$exclude)) {
                   if ($languages{$_}) { $result='0'; }
               }
    }
    if ( ! $result ) {
       my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser);
       &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
    }
    $result='';
       } elsif ($target eq 'edit') {
    $result .=&Apache::edit::tag_start($target,$token);
    $result .=&Apache::edit::text_arg('Include Language:','include',
     $token,40);
    $result .=&Apache::edit::text_arg('Exclude Language:','exclude',
     $token,40);
    $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
        $safeeval,'include',
        'exclude');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
       }
       return $result;
   }
   
   sub end_languageblock {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my $result;
       if ($target eq "edit") {
    $result.= &Apache::edit::tag_end($target,$token,'');
       }
       return $result;
   }
   
   sub start_instructorcomment {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
       my $result;
   
       if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
    $target eq 'tex' || $target eq 'analyze') {
           $result=($ENV{'request.role'}=~/^(in|cc|au|ca|li)/);
    if ( ! $result ) {
       my $skip=&Apache::lonxml::get_all_text("/instructorcomment",$parser);
       &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
    }
    $result='';
       } elsif ($target eq 'edit') {
    $result .=&Apache::edit::tag_start($target,$token);
    $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
       }
       return $result;
   }
   
   sub end_instructorcomment {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my $result;
       if ($target eq "edit") {
    $result.= &Apache::edit::tag_end($target,$token,'');
       }
       return $result;
   }
   
 sub start_while {  sub start_while {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
     &Apache::lonxml::debug('starting while');  
     my $result;      my $result;
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||       if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
  $target eq 'tex' || $target eq 'analyze') {   $target eq 'tex' || $target eq 'analyze') {
  my $code = $token->[2]->{'condition'};   my $code = $token->[2]->{'condition'};
   
Line 593  sub start_while { Line 713  sub start_while {
     &Apache::lonxml::default_homework_load($safeeval);      &Apache::lonxml::default_homework_load($safeeval);
  }   }
  my $result = &Apache::run::run($code,$safeeval);   my $result = &Apache::run::run($code,$safeeval);
  my $bodytext=$$parser[-1]->get_text("/while");   my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);
  push( @Apache::structuretags::whilebody, $bodytext);   push( @Apache::structuretags::whilebody, $bodytext);
    push( @Apache::structuretags::whileline, $token->[5]);
    &Apache::lonxml::debug("s code $code got -$result-");
  if ( $result ) {   if ( $result ) {
     &Apache::lonxml::newparser($parser,\$bodytext);      &Apache::lonxml::newparser($parser,\$bodytext);
  }   }
Line 613  sub start_while { Line 735  sub start_while {
   
 sub end_while {  sub end_while {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     &Apache::lonxml::debug('ending while');  
   
     my $result;      my $result;
   
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
  $target eq 'tex' || $target eq 'analyze') {   $target eq 'tex' || $target eq 'analyze') {
  my $code = pop(@Apache::structuretags::whileconds);   my $code = pop(@Apache::structuretags::whileconds);
  my $bodytext = pop(@Apache::structuretags::whilebody);   my $bodytext = pop(@Apache::structuretags::whilebody);
  my $result = &Apache::run::run($code,$safeeval);   my $line = pop(@Apache::structuretags::whileline);
  if ( $result ) {   my $return = &Apache::run::run($code,$safeeval);
     &Apache::lonxml::newparser($parser,\$bodytext);   my $starttime=time;
    my $error=0;
    while ($return) {
       if (time-$starttime >
    $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
    $return = 0; $error=1; next;
       }
       $result.=&Apache::scripttag::xmlparse($bodytext);
       $return = &Apache::run::run($code,$safeeval);
    }
    if ($error) {
       &Apache::lonxml::error('<pre>Code ran too long. It ran for more than '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' seconds occured while running &lt;while$gt; on line '.$line.'</pre>');
  }   }
     } elsif ($target eq "edit") {      } elsif ($target eq "edit") {
  $result.= &Apache::edit::tag_end($target,$token,'');   $result.= &Apache::edit::tag_end($target,$token,'');
Line 723  sub start_part { Line 854  sub start_part {
     @Apache::inputtags::responselist = ();      @Apache::inputtags::responselist = ();
     @Apache::inputtags::previous=();      @Apache::inputtags::previous=();
     @Apache::inputtags::previous_version=();      @Apache::inputtags::previous_version=();
       $Apache::lonhomework::problemstatus=
    &Apache::lonnet::EXT("resource.$id.problemstatus");
     my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);      my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
   
     if ($target eq 'meta') {      if ($target eq 'meta') {

Removed from v.1.160  
changed lines
  Added in v.1.175


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