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Diff for /loncom/homework/structuretags.pm between versions 1.121 and 1.144

version 1.121, 2002/10/01 21:04:34 version 1.144, 2003/01/09 19:34:27
Line 29 Line 29
 # 6/26/2001 fixed extra web display at end of <web></web> tags  # 6/26/2001 fixed extra web display at end of <web></web> tags
 # 8/17,8/18,8/20 Gerd Kortemeyer  # 8/17,8/18,8/20 Gerd Kortemeyer
   
   
 package Apache::structuretags;   package Apache::structuretags; 
   
 use strict;  use strict;
Line 100  sub page_start { Line 101  sub page_start {
       }        }
     }      }
     $body_tag_start.='>';      $body_tag_start.='>';
       if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
    my ($symb)=&Apache::lonxml::whichuser();
    if ($symb eq '') {
       my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
       $help="Browsing or <a href=\"/adm/ambiguous\">ambiguous</a> reference, submissions ignored $help<br />";
       $body_tag_start.=$help;
    }
       }
   }    }
   my $form_tag_start;    my $form_tag_start;
   if (!defined($found{'form'})) {    if (!defined($found{'form'})) {
Line 109  sub page_start { Line 118  sub page_start {
   return ($result,$head_tag_start,$body_tag_start,$form_tag_start);    return ($result,$head_tag_start,$body_tag_start,$form_tag_start);
 }  }
   
   #use Time::HiRes();
 sub get_resource_name {  sub get_resource_name {
   my ($parstack,$safeeval)=@_;    my ($parstack,$safeeval)=@_;
   my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);    my $name=&Apache::lonnet::gettitle();
   if ($name eq '') {     if ($name eq '') {
     $name=&Apache::lonnet::EXT('resource.title');      $name=&Apache::lonnet::EXT('resource.title');
     if ($name eq 'con_lost') { $name = ''; }      if ($name eq 'con_lost') { $name = ''; }
   }    }
Line 129  sub setup_rndseed { Line 139  sub setup_rndseed {
       $rndseed=time;        $rndseed=time;
       $ENV{'form.rndseed'}=$rndseed;        $ENV{'form.rndseed'}=$rndseed;
     }      }
       &Apache::lonxml::debug("Setting rndseed to $rndseed");
     &Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);      &Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);
   }    }
   return $rndseed;    return $rndseed;
Line 140  sub problem_edit_header { Line 151  sub problem_edit_header {
        <input type="submit" name="problemmode" value="Discard Edits and View" />         <input type="submit" name="problemmode" value="Discard Edits and View" />
        <input type="submit" name="problemmode" value="EditXML" />         <input type="submit" name="problemmode" value="EditXML" />
        <input type="submit" name="Undo" value="undo" /> <hr />         <input type="submit" name="Undo" value="undo" /> <hr />
        <input type="submit" name="submit" value="Submit Changes" />         <input type="submit" name="submit" value="Submit Changes and Edit" />
        <input type="submit" name="submit" value="Submit Changes and View" /><br />         <input type="submit" name="submit" value="Submit Changes and View" /><br /><p>&nbsp;</p><table border="0"><tr><td bgcolor="#DDDDDD">
       ';        ';
 }  }
   
 sub problem_edit_footer {  sub problem_edit_footer {
   return '<br /><input type="submit" name="submit" value="Submit Changes and Edit" />    return '</td></tr></table><br /><input type="submit" name="submit" value="Submit Changes and Edit" />
     <input type="submit" name="submit" value="Submit Changes and View" />';      <input type="submit" name="submit" value="Submit Changes and View" />';
 }  }
   
Line 163  sub problem_web_to_edit_header { Line 174  sub problem_web_to_edit_header {
   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'};
     if (!$numtoanalyze) { $numtoanalyze=100; }
     $result.= '<input type="submit" name="problemmode" value="Answer Distribution" />
                <input type="text" name="numtoanalyze" value="'.
          $numtoanalyze.'" size="5" /> <hr />';
     return $result;
 }  }
   
 sub initialize_storage {  sub initialize_storage {
Line 265  sub start_problem { Line 282  sub start_problem {
     &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);      &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
   if ($target eq 'tex' and $ENV{'request.symb'} =~ m/\.page_/) { $result = '';}    if ($target eq 'tex' and $ENV{'request.symb'} =~ m/\.page_/) { $result = '';}
   
     if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval); }
   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
     #handle exam checkout      #handle exam checkout
     if ($Apache::lonhomework::type eq 'exam') {      if ($Apache::lonhomework::type eq 'exam') {
Line 283  sub start_problem { Line 301  sub start_problem {
     my $expression='$external::datestatus="'.$status.'";';      my $expression='$external::datestatus="'.$status.'";';
     $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';      $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
     &Apache::run::run($expression,$safeeval);      &Apache::run::run($expression,$safeeval);
       &Apache::lonxml::debug("Got $status");
     if (( $status eq 'CLOSED' ) ||      if (( $status eq 'CLOSED' ) ||
         ( $status eq 'UNCHECKEDOUT') ||          ( $status eq 'UNCHECKEDOUT') ||
         ( $status eq 'BANNED')) {          ( $status eq 'BANNED') ||
       my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);          ( $status eq 'UNAVAILABLE')) {
         my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
       if ( $target eq "web" ) {        if ( $target eq "web" ) {
  $result.= $head_tag_start.'</head>';   $result.= $head_tag_start.'</head>';
         my $msg=$body_tag_start.          my $msg=$body_tag_start;
     '<h1>Not open to be viewed</h1>';   if ($status eq 'UNAVAILABLE') {
       $result.='<h1>Unable to determine if this resource is open due to network problems. Please try again later.</h1>';
    } else {
       $result.='<h1>Not open to be viewed</h1>';
    }
         if ($status eq 'CLOSED') {          if ($status eq 'CLOSED') {
     $msg.='The problem '.$accessmsg;      $msg.='The problem '.$accessmsg;
  } elsif ($status eq 'UNCHECKEDOUT') {   } elsif ($status eq 'UNCHECKEDOUT') {
Line 298  sub start_problem { Line 322  sub start_problem {
         }          }
  $result.=$msg.'<br />';   $result.=$msg.'<br />';
       } elsif ($target eq 'tex') {        } elsif ($target eq 'tex') {
   $result.="\\begin{document}\\noindent \\vskip 1 mm \\begin{minipage}{\\textwidth}\\vskip 0 mm Problem is not open to be viewed. It $accessmsg \\vskip 0 mm ";    $result.="\\begin{document}\\noindent \\vskip 1 mm \\begin{minipage}{\\textwidth}\\vskip 0 mm ";
       }    if ($status eq 'UNAVAILABLE') {
       $result.='Unable to determine if this resource is open due to network problems. Please try again later.\vskip 0 mm ';
    } else {
       $result.="Problem is not open to be viewed. It $accessmsg \\vskip 0 mm ";
    }
         }
     } elsif ($target eq 'web') {      } elsif ($target eq 'web') {
       my $name= &get_resource_name($parstack,$safeeval);        my $name= &get_resource_name($parstack,$safeeval);
       if ($status eq 'CAN_ANSWER') {        if ($status eq 'CAN_ANSWER') {
Line 318  sub start_problem { Line 347  sub start_problem {
   }    }
  }   }
       } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER'        } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER'
        || $status eq 'CLOSED') {         || $status eq 'CLOSED' || $status eq 'UNAVALAILABLE') {
  $result.=$head_tag_start.   $result.=$head_tag_start.
   "<title>$name</title></head>\n$body_tag_start\n";    "<title>$name</title></head>\n$body_tag_start\n";
       }        }
Line 382  sub end_problem { Line 411  sub end_problem {
   my $result='';    my $result='';
   my $status=$Apache::inputtags::status['-1'];    my $status=$Apache::inputtags::status['-1'];
   if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {    if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
     if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {      if ( $target eq 'grade' && $Apache::inputtags::part eq '0' && $status eq 'CAN_ANSWER' ) {
       # if part is zero, no <part>s existed, so we need to the grading        # if part is zero, no <part>s existed, so we need to the grading
       &Apache::inputtags::grade;        &Apache::inputtags::grade;
     } elsif ( ($target eq 'web' || $target eq 'tex') && $Apache::inputtags::part eq '0' &&       } elsif ( ($target eq 'web' || $target eq 'tex') && $Apache::inputtags::part eq '0' && 
       $status ne 'UNCHECKEDOUT') {        $status ne 'UNCHECKEDOUT') {
       # if part is zero, no <part>s existed, so we need show the current         # if part is zero, no <part>s existed, so we need show the current 
       # grading status        # grading status
       my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part);        my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
       #FIXME this is ugly we should just generate tex in inputtags  
       if ($target eq 'tex') { $gradestatus=&html_to_tex($gradestatus); }  
       if ($Apache::lonhomework::type ne 'exam') {$result.= $gradestatus;}        if ($Apache::lonhomework::type ne 'exam') {$result.= $gradestatus;}
     }      }
     if (      if (
Line 408  sub end_problem { Line 435  sub end_problem {
       $result.="</body>\n";        $result.="</body>\n";
   }    }
       }        }
       if ($target ne 'tex') {        if ($target eq 'web') {
   $result.=&Apache::lonxml::xmlend();    $result.=&Apache::lonxml::xmlend();
       } else {        } elsif ($target eq 'tex') {
       $result .= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';    $result .= '\vskip 0.5mm\noindent\makebox[\textwidth/$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 {
   $result .= '';        $result .= '';
       }    }
       }        }
     }      }
     if ($target eq 'grade') {       if ($target eq 'grade') { 
Line 430  sub end_problem { Line 457  sub end_problem {
   } elsif ($target eq 'edit') {    } elsif ($target eq 'edit') {
     &Apache::lonxml::debug("in end_problem with $target, edit");      &Apache::lonxml::debug("in end_problem with $target, edit");
     $result = &problem_edit_footer();      $result = &problem_edit_footer();
   }     }
   return $result;    return $result;
 }  }
   
Line 476  sub end_library { Line 503  sub end_library {
 }  }
   
 sub start_block {  sub start_block {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {      my $result;
     my $code = @$parstack[$#$parstack];  
     $code =~ s/\"//g;      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || 
     $code .=';return $condition;';   $target eq 'tex' || $target eq 'analyze') {
     #  print "<br />$code<br />";   my $code = @$parstack[$#$parstack];
     my $result = &Apache::run::run($code,$safeeval);   if ($code) {
     &Apache::lonxml::debug("block :$code: returned :$result:");      $code =~ s/\"//g;
     if ( ! $result ) {       $code .=';return $condition;';
       my $skip=&Apache::lonxml::get_all_text("/block",$$parser[$#$parser]);      if (!$Apache::lonxml::default_homework_loaded) {
       &Apache::lonxml::debug("skipping ahead :$skip: $$parser[$#$parser]");   &Apache::lonxml::default_homework_load($safeeval);
       }
       $result = &Apache::run::run($code,$safeeval);
       &Apache::lonxml::debug("block :$code: returned :$result:");
    } else {
       $result='1';
    }
    if ( ! $result ) {
       my $skip=&Apache::lonxml::get_all_text("/block",$$parser[-1]);
       &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
    }
    $result='';
       } elsif ($target eq 'edit') {
    $result .=&Apache::edit::tag_start($target,$token);
    $result .=&Apache::edit::text_arg('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 $result;
   return "";  
 }  }
   
 sub end_block {  sub end_block {
Line 505  sub start_while { Line 551  sub start_while {
   $code .=';return $condition;';    $code .=';return $condition;';
   
   push( @Apache::structuretags::whileconds, $code);     push( @Apache::structuretags::whileconds, $code); 
     if (!$Apache::lonxml::default_homework_loaded) {
         &Apache::lonxml::default_homework_load($safeeval);
     }
   my $result = &Apache::run::run($code,$safeeval);    my $result = &Apache::run::run($code,$safeeval);
   my $bodytext=$$parser[$#$parser]->get_text("/while");    my $bodytext=$$parser[$#$parser]->get_text("/while");
   push( @Apache::structuretags::whilebody, $bodytext);    push( @Apache::structuretags::whilebody, $bodytext);
Line 535  sub start_randomlist { Line 584  sub start_randomlist {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $result;    my $result;
   if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||    if ($target eq 'answer' || $target eq 'grade' || $target eq 'web' ||
       $target eq 'tex') {        $target eq 'tex' || $target eq 'analyze') {
     my $body= &Apache::lonxml::get_all_text("/randomlist",$$parser[$#$parser]);      my $body= &Apache::lonxml::get_all_text("/randomlist",$$parser[$#$parser]);
     my $b_parser= HTML::TokeParser->new(\$body);      my $b_parser= HTML::TokeParser->new(\$body);
     my $b_tok;      my $b_tok;
Line 625  sub start_part { Line 674  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="\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\";   $result="\\end{minipage}\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\\\begin{minipage}{\\textwidth}";
       }        }
     } else {      } else {
       if ($target eq 'tex') {        if ($target eq 'tex') {
  $result='\vskip 0 mm';   if ($$tagstack[-2] ne 'problem') {
     $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
    }
       }        }
     }      }
     } elsif ($target eq 'edit') {
         $result.=&Apache::edit::tag_start($target,$token);
         $result.=&Apache::edit::text_arg('Part ID:','id',$token).
     &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
         &Apache::edit::end_row().&Apache::edit::start_spanning_row();
   
     } elsif ($target eq 'modified') {
         my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
      'id');
         if ($constructtag) {
     $result = &Apache::edit::rebuild_tag($token);
     $result.=&Apache::edit::handle_insert();
         }
   }    }
   return $result;    return $result;
 }  }
Line 640  sub end_part { Line 704  sub end_part {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   &Apache::lonxml::debug("in end_part $target ");    &Apache::lonxml::debug("in end_part $target ");
   my $status=$Apache::inputtags::status['-1'];    my $status=$Apache::inputtags::status['-1'];
   pop @Apache::inputtags::status;    my $result='';
   if ( $target eq 'meta' ) { return ''; }    if ( $target eq 'meta' ) {
   if ( $target eq 'grade' && $status eq 'CAN_ANSWER') {        $result='';
     return &Apache::inputtags::grade;    } elsif ( $target eq 'grade' && $status eq 'CAN_ANSWER') {
   }      $result=&Apache::inputtags::grade;
   if ($target eq 'web' || $target eq 'tex' ) {    } elsif ($target eq 'web' || $target eq 'tex' ) {
     my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,$target);      my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
       $target);
     if ($Apache::lonhomework::type eq 'exam') {$gradestatus='';}      if ($Apache::lonhomework::type eq 'exam') {$gradestatus='';}
     return $gradestatus;      $result=$gradestatus;
   }    }
   return '';    pop @Apache::inputtags::status;
     return $result;
 }  }
   
 sub start_preduedate {  sub start_preduedate {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
     if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&      if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
  $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' ) {   $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' && 
           $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
       &Apache::lonxml::get_all_text("/preduedate",$$parser[$#$parser]);        &Apache::lonxml::get_all_text("/preduedate",$$parser[$#$parser]);
     }      }
   }    }
Line 751  sub start_endouttext { Line 818  sub start_endouttext {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $result='';    my $result='';
   if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }    if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
   if ($target eq "modified") { $result='<endouttext />'; }    if ($target eq "modified") { 
        $result='<endouttext />'.
        &Apache::edit::handle_insertafter('startouttext'); }
   return $result;    return $result;
 }  }
 sub end_endouttext {  sub end_endouttext {
Removed from v.1.121  
changed lines
  Added in v.1.144

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