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Diff for /loncom/homework/structuretags.pm between versions 1.159 and 1.198

version 1.159, 2003/04/03 14:31:58 version 1.198, 2003/07/17 18:42:13
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',
   'simpleeditbutton','definetag'));
 }  }
   
 sub start_web {  sub start_web {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);      if (!($target eq 'web' || $target eq 'edit' || $target eq 'modified' ||
     if ($target eq 'web') {    $target eq 'answer' || $target eq 'grade' || $target eq 'meta' )) {
  return $bodytext;   my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
     }      }
     return '';      return '';
 }  }
Line 56  sub end_web { Line 57  sub end_web {
   
 sub start_tex {  sub start_tex {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);      my $result='';
     if ($target eq 'tex') {      if (!($target eq 'edit' || $target eq 'modified' ||
  return $bodytext.' ';    $target eq 'answer' || $target eq 'grade' || $target eq 'meta' )) {
    &Apache::lonxml::debug("tex 1");
    my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
       } elsif ($target eq 'tex') {
    $result=&Apache::lonxml::get_all_text("/tex",$parser);
     }      }
     return '';      return $result;;
 }  }
   
 sub end_tex {  sub end_tex {
Line 104  sub page_start { Line 109  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 141  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=time;      $rndseed=$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') {
       srand(time);
       $rndseed=int(rand(2100000000));
     $ENV{'form.rndseed'}=$rndseed;      $ENV{'form.rndseed'}=$rndseed;
       delete($ENV{'form.resetdata'});
       delete($ENV{'form.newrandomization'});
  }   }
    if (defined($rndseed) && $rndseed ne int($rndseed)) {
      $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
           }
  &Apache::lonxml::debug("Setting rndseed to $rndseed");   &Apache::lonxml::debug("Setting rndseed to $rndseed");
  &Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);   &Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);
     }      }
Line 168  sub problem_web_to_edit_header { Line 189  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
              <hr />';               <hr />';
     my $numtoanalyze=$ENV{'form.numtoanalyze'};      my $numtoanalyze=$ENV{'form.numtoanalyze'};
     if (!$numtoanalyze) { $numtoanalyze=100; }      if (!$numtoanalyze) { $numtoanalyze=20; }
     $result.= '<input type="submit" name="problemmode" value="Answer Distribution" />      $result.= '<input type="submit" name="problemmode" value="Calculate answers" /> for
              <input type="text" name="numtoanalyze" value="'.               <input type="text" name="numtoanalyze" value="'.
  $numtoanalyze.'" size="5" /> <hr />';   $numtoanalyze.'" size="5" /> versions of this problem.'.
        &Apache::loncommon::help_open_topic("Analyze_Problem",
        '',undef,undef,300).
        '<hr />';
     return $result;      return $result;
 }  }
   
 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 ($temp)=keys %Apache::lonhomework::history ;
Line 210  sub finalize_storage { Line 237  sub finalize_storage {
     my ($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:'.$result);
Line 242  ENDCHECKOUT Line 270  ENDCHECKOUT
 sub start_problem {  sub start_problem {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
     $Apache::lonhomework::parsing_a_problem=1;      if ( $Apache::inputtags::part ne '' ||
     # meta is called from lonpublisher, which doesn't uses the normal   $Apache::lonhomework::parsing_a_problem) {
     # lonhomework method of parsing the file which means that inputtags    &Apache::lonxml::error('Only one &lt;problem&gt; allowed in a .problem file');
     # won't get reset   #my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
     if ( $Apache::inputtags::part ne '' && $target != 'meta' ) {  
  &Apache::lonxml::error('Only one problem allowed in a .problem file');  
  my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);  
  return '';   return '';
     }      }
 #intialize globals  
       $Apache::lonhomework::parsing_a_problem=1;
   #initialize globals
     $Apache::inputtags::part='0';      $Apache::inputtags::part='0';
       @Apache::inputtags::partlist=('0');
     @Apache::inputtags::responselist = ();      @Apache::inputtags::responselist = ();
       @Apache::inputtags::importlist = ();
     @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 305  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 344  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'}.'" /> <br />';
    }
  ($status,$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 345  sub start_problem { Line 394  sub start_problem {
               $body_tag_start \n $form_tag_start".                $body_tag_start \n $form_tag_start".
   '<input type="hidden" name="submitted" value="yes" />';    '<input type="hidden" name="submitted" value="yes" />';
  if ($ENV{'request.state'} eq "construct") {   if ($ENV{'request.state'} eq "construct") {
     $result.= &problem_web_to_edit_header($rndseed);      $result.= &problem_web_to_edit_header($ENV{'form.rndseed'});
  }   }
  # if we are viewing someone else preserve that info   # if we are viewing someone else preserve that info
  if (defined $ENV{'form.grade_symb'}) {   if (defined $ENV{'form.grade_symb'}) {
Line 360  sub start_problem { Line 409  sub start_problem {
     "<title>$name</title></head>\n$body_tag_start\n";      "<title>$name</title></head>\n$body_tag_start\n";
     }      }
  } elsif ($target eq 'tex') {   } elsif ($target eq 'tex') {
       my $startminipage = '';
       if (not $ENV{'form.problem_split'}=~/yes/) {
    $startminipage = '\begin{minipage}{\textwidth}';
       }
     my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);      my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
     if ($name eq '') {      if ($name eq '') {
  $name=&Apache::lonnet::EXT('resource.title');   $name=&Apache::lonnet::EXT('resource.title');
Line 394  sub start_problem { Line 447  sub start_problem {
  print $temp_file "$duedate\n";   print $temp_file "$duedate\n";
  if (not $ENV{'request.symb'} =~ m/\.page_/) {   if (not $ENV{'request.symb'} =~ m/\.page_/) {
     if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {      if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
  $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent\textit{Due date: '.$duedate.'} \vskip 1 mm\noindent \begin{minipage}{\textwidth}';   $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent\textit{Due date: '.$duedate.'} \vskip 1 mm\noindent '.$startminipage;
     } else {      } else {
  $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm \noindent\begin{minipage}{\textwidth}';   $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm \noindent'.$startminipage;
  if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}   if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
     }      }
  } else {   } else {
Line 404  sub start_problem { Line 457  sub start_problem {
  }   }
     } else {      } else {
  if (not $ENV{'request.symb'} =~ m/\.page_/) {   if (not $ENV{'request.symb'} =~ m/\.page_/) {
     $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm\noindent\begin{minipage}{\textwidth}';      $result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm\noindent'.$startminipage;
     if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}      if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
  } else {   } else {
     $result .= '\vskip 1mm \\\\\\\\';      $result .= '\vskip 1mm \\\\\\\\';
Line 449  sub end_problem { Line 502  sub end_problem {
     ($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' ||
      $status eq 'UNCHECKEDOUT' ) {       $status eq 'UNCHECKEDOUT' ) {
  if ($target ne 'tex') {   if ($target ne 'tex' &&
       $ENV{'form.answer_output_mode'} ne 'tex') {
     $result.="</body>\n";      $result.="</body>\n";
  }   }
     }      }
     if ($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}';   my $endminipage = '';
    if (not $ENV{'form.problem_split'}=~/yes/) {
       $endminipage = '\end{minipage}';
    }
    $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$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 .= $endminipage.'\end{document} ';
  } else {   } else {
     $result .= '';      $result .= '';
  }   }
Line 473  sub end_problem { Line 532  sub end_problem {
     &Apache::lonhomework::showhash(%Apache::lonhomework::results);      &Apache::lonhomework::showhash(%Apache::lonhomework::results);
     &finalize_storage();      &finalize_storage();
  }   }
  if ($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 ($target eq 'meta') {
  if ($Apache::inputtags::part eq '0') {   if ($Apache::inputtags::part eq '0') {
       @Apache::inputtags::response=();
     $result=&Apache::response::mandatory_part_meta;      $result=&Apache::response::mandatory_part_meta;
  }   }
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
Line 486  sub end_problem { Line 547  sub end_problem {
  $result = &problem_edit_footer();   $result = &problem_edit_footer();
     }      }
   
       if ($ENV{'request.state'} eq 'construct' && $target eq 'web') {
    &Apache::inputtags::check_for_duplicate_ids();
       }
     undef(%Apache::lonhomework::history);      undef(%Apache::lonhomework::history);
     undef(%Apache::lonhomework::results);      undef(%Apache::lonhomework::results);
     undef($Apache::inputtags::part);      undef($Apache::inputtags::part);
Line 535  sub end_library { Line 599  sub end_library {
     return $result;      return $result;
 }  }
   
   sub start_definetag {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
       my $result;
   
       my $name = $token->[2]->{'name'};
       my $skip=&Apache::lonxml::get_all_text("/definetag",$parser);
       if ($name=~/^\//) {
    $result=
    '<br /><table bgcolor="#FFBBBB"><tr><th>END <tt>'.$name.'</tt></th></tr>';
       } else {
    $result=
    '<br /><table bgcolor="#BBFFBB"><tr><th>BEGIN <tt>'.$name.'</tt></th></tr>';
       }
       $skip=~s/\</\&lt\;/gs;
       $skip=~s/\>/\&gt\;/gs;
       $result.='<tr><td><pre>'.$skip.'</pre></td></tr></table>';
       return $result;
   }
   
   sub end_definetag {
       return '';
   }
   
 sub start_block {  sub start_block {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
     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 = $token->[2]->{'condition'};
  if ($code) {   if ($code) {
Line 572  sub start_block { Line 660  sub start_block {
   
 sub end_block {  sub end_block {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my @result=('','');      my $result;
     if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }      if ($target eq "edit") {
     return (@result);   $result.= &Apache::edit::tag_end($target,$token,'');
       }
       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' || $target eq 'analyze') {
    &Apache::lonxml::startredirection();
       } elsif ($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 'web' || $target eq 'grade' || $target eq 'answer' ||
    $target eq 'tex' || $target eq 'analyze') {
    my $text=&Apache::lonxml::endredirection();
    my $include= &Apache::lonxml::get_param('include',$parstack,$safeeval);
    my $exclude= &Apache::lonxml::get_param('exclude',$parstack,$safeeval);
    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 ) {
       $result='';
    } else {
       $result=$text;
    }
       } elsif ($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)=@_;
   
     my $code = $token->[2]->{'condition'};      my $result;
       if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
    $target eq 'tex' || $target eq 'analyze') {
    my $code = $token->[2]->{'condition'};
   
     push( @Apache::structuretags::whileconds, $code);    push( @Apache::structuretags::whileconds, $code);
     if (!$Apache::lonxml::default_homework_loaded) {   if (!$Apache::lonxml::default_homework_loaded) {
  &Apache::lonxml::default_homework_load($safeeval);      &Apache::lonxml::default_homework_load($safeeval);
     }   }
     my $result = &Apache::run::run($code,$safeeval);   my $result = &Apache::run::run($code,$safeeval);
     my $bodytext=$$parser[$#$parser]->get_text("/while");   my $bodytext=&Apache::lonxml::get_all_text("/while",$parser);
     push( @Apache::structuretags::whilebody, $bodytext);   push( @Apache::structuretags::whilebody, $bodytext);
     if ( $result ) {   push( @Apache::structuretags::whileline, $token->[5]);
  &Apache::lonxml::newparser($parser,\$bodytext);   &Apache::lonxml::debug("s code $code got -$result-");
    if ( $result ) {
       &Apache::lonxml::newparser($parser,\$bodytext);
    }
       } elsif ($target eq 'edit') {
    $result .=&Apache::edit::tag_start($target,$token);
    $result .=&Apache::edit::text_arg('Test Condition:','condition',
     $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,
        $safeeval,'condition');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
     }      }
     return "";      return $result;
 }  }
   
 sub end_while {  sub end_while {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $code = pop @Apache::structuretags::whileconds;      my $result;
     my $bodytext = pop @Apache::structuretags::whilebody;  
     my $result = &Apache::run::run($code,$safeeval);      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
     if ( $result ) {   $target eq 'tex' || $target eq 'analyze') {
  &Apache::lonxml::newparser($parser,\$bodytext);   my $code = pop(@Apache::structuretags::whileconds);
    my $bodytext = pop(@Apache::structuretags::whilebody);
    my $line = pop(@Apache::structuretags::whileline);
    my $return = &Apache::run::run($code,$safeeval);
    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") {
    $result.= &Apache::edit::tag_end($target,$token,'');
     }      }
     return "";      return $result;
 }  }
   
 # <randomlist show="1">   # <randomlist show="1">
 #  <tag1>..</tag1>  #  <tag1>..</tag1>
 #  <tag2>..</tag2>  #  <tag2>..</tag2>
 #  <tag3>..</tag3>  #  <tag3>..</tag3>
 #  ...   #  ...
 # </randomlist>  # </randomlist>
 sub start_randomlist {  sub start_randomlist {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
Line 695  sub start_part { Line 904  sub start_part {
     my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);      my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
     if ($id eq '') { $id = $Apache::lonxml::curdepth; }      if ($id eq '') { $id = $Apache::lonxml::curdepth; }
     $Apache::inputtags::part=$id;      $Apache::inputtags::part=$id;
     @Apache::inputtags::responselist = ();      push(@Apache::inputtags::partlist,$id);
       @Apache::inputtags::response=();
     @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') {
Line 717  sub start_part { Line 929  sub start_part {
  if ( $target eq "web" ) {   if ( $target eq "web" ) {
     $result="<br />Part is not open to be viewed. It $accessmsg<br />";      $result="<br />Part is not open to be viewed. It $accessmsg<br />";
  } elsif ( $target eq 'tex' ) {   } elsif ( $target eq 'tex' ) {
     $result="\\end{minipage}\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\\\begin{minipage}{\\textwidth}";      if (not $ENV{'form.problem_split'}=~/yes/) {
    $result="\\end{minipage}\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\\\begin{minipage}{\\textwidth}";
       } else {
    $result="\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\";
       }
  }   }
     } else {      } else {
  if ($target eq 'tex') {   if ($target eq 'tex') {
     $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';      if (not $ENV{'form.problem_split'}=~/yes/) {
    $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
       }
     my $weight = &Apache::lonnet::EXT("resource.$id.weight");      my $weight = &Apache::lonnet::EXT("resource.$id.weight");
     if ($Apache::lonhomework::type eq 'exam') { $result .= '\fbox{\textit{'.$weight.' pt}}';}      if ($Apache::lonhomework::type eq 'exam') { $result .= '\fbox{\textit{'.$weight.' pt}}';}
  }   }
Line 758  sub end_part { Line 976  sub end_part {
  $target);   $target);
  if ($Apache::lonhomework::type eq 'exam') {$gradestatus='';}   if ($Apache::lonhomework::type eq 'exam') {$gradestatus='';}
  $result=$gradestatus;   $result=$gradestatus;
       } elsif ($target eq 'edit') {
    $result=&Apache::edit::end_table();
     }      }
     pop @Apache::inputtags::status;      pop @Apache::inputtags::status;
     $Apache::inputtags::part='';      $Apache::inputtags::part='';
Line 852  sub end_startouttext { Line 1072  sub end_startouttext {
                  &Apache::edit::insertlist($target,$token).                   &Apache::edit::insertlist($target,$token).
  &Apache::edit::end_row().   &Apache::edit::end_row().
                  &Apache::edit::start_spanning_row()."\n"                   &Apache::edit::start_spanning_row()."\n"
  .'<table><tr><td>'.   . &Apache::loncommon::helpLatexCheatsheet () .
  &Apache::loncommon::help_open_topic("Greek_Symbols",  
      'Greek Symbols',  
      undef,undef,600)  
  .'</td><td>'.  
  &Apache::loncommon::help_open_topic("Other_Symbols",  
      'Other Symbols',  
      undef,undef,600)  
  .'</td></tr></table>'.  
  &Apache::edit::editfield($token->[1],$text,"",80,4);   &Apache::edit::editfield($token->[1],$text,"",80,4);
     }      }
     if ($target eq 'modified') {      if ($target eq 'modified') {
Line 904  sub delete_startouttext { Line 1116  sub delete_startouttext {
     return 1;      return 1;
 }  }
   
   sub start_simpleeditbutton {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my $result='';
       if (($target eq 'web') &&
           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
           my $url=$ENV{'REQUEST_URI'};
           $url=~s/\?.*$//;
    $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
                   '<a href="'.$url.'/smpedit">Simple Problem Editor</a> - Note: it can take up to 10 minutes for changes to take effect for all users.'.
   &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
       }
       return $result;
   }
   
   sub end_simpleeditbutton {
       return '';
   }
   
 1;  1;
 __END__  __END__
Removed from v.1.159  
changed lines
  Added in v.1.198

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