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Diff for /loncom/homework/structuretags.pm between versions 1.48 and 1.57

version 1.48, 2001/07/18 20:08:34 version 1.57, 2001/08/17 16:50:04
Line 2 Line 2
 # definition of tags that give a structure to a document  # definition of tags that give a structure to a document
 # 2/19 Guy  # 2/19 Guy
 # 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 Gerd Kortemeyer
   
 package Apache::structuretags;   package Apache::structuretags; 
   
 use strict;  use strict;
Line 43  sub page_start { Line 45  sub page_start {
   my $result=&Apache::londefdef::start_html($target,$token,$tagstack,$parstack,$parser,$safeeval);    my $result=&Apache::londefdef::start_html($target,$token,$tagstack,$parstack,$parser,$safeeval);
   my $head_tag_start='<head>'.&Apache::lonxml::registerurl();    my $head_tag_start='<head>'.&Apache::lonxml::registerurl();
   my $body_tag_start='<body onLoad="'.&Apache::lonxml::loadevents().'" '.    my $body_tag_start='<body onLoad="'.&Apache::lonxml::loadevents().'" '.
   'onUnload="'.&Apache::lonxml::unloadevents().'" '.    'onUnload="'.&Apache::lonxml::unloadevents().'" ';
     'bgcolor="#FFFFFF">';    my $background=&Apache::lonxml::get_param('background',$parstack,$safeeval);
     if ($background) {
       $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
                                           $background;
       $body_tag_start.='background="'.$background.'" ';
     } else {
       my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,$safeeval);
       if ($bgcolor) {
         $body_tag_start.='bgcolor="'.$bgcolor.'" ';
       } else {
         $body_tag_start.='bgcolor="#ffffff"';
       }
     }
     $body_tag_start.='>';
   return ($result,$head_tag_start,$body_tag_start);    return ($result,$head_tag_start,$body_tag_start);
 }  }
   
Line 54  sub start_problem { Line 69  sub start_problem {
 #intialize globals  #intialize globals
   $Apache::inputtags::part='0';    $Apache::inputtags::part='0';
   @Apache::inputtags::responselist = ();    @Apache::inputtags::responselist = ();
     @Apache::inputtags::previous=();
   $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 '') {
     $Apache::lonhomework::type='homework';      my $uri=$ENV{'request.uri'};
       if ($uri=~/\.(\w+)$/) {
         $Apache::lonhomework::type=$1;
         &Apache::lonxml::debug("Using type of $1");
       } else {
         $Apache::lonhomework::type='problem';
         &Apache::lonxml::debug("Using default type, problem, :$uri:");
       }
   }    }
 #adeed vars to the scripting enviroment  #adeed vars to the scripting enviroment
   my $expression='$external::part='.$Apache::inputtags::part.';';    my $expression='$external::part='.$Apache::inputtags::part.';';
   &Apache::run::run($expression,$safeeval);    &Apache::run::run($expression,$safeeval);
   my $status;    my $status;
   my $datemsg;    my $accessmsg;
   
   #should get back a <html> or the neccesary stuff to start XML/MathML    #should get back a <html> or the neccesary stuff to start XML/MathML
   my ($result,$head_tag_start,$body_tag_start)=    my ($result,$head_tag_start,$body_tag_start)=
     &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);      &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
   
     if ($target eq 'web') {
         if ($ENV{'form.doescheckout'}) {
     $body_tag_start.=&Apache::lonxml::maketoken('web');
         }
     }
   if ($target eq 'web' || $target eq 'grade') {    if ($target eq 'web' || $target eq 'grade') {
     ($status,$datemsg) = &Apache::lonhomework::check_date('0');      ($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.'";';
     $expression.='$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);
     if ( $status eq 'CLOSED' ) {      if (( $status eq 'CLOSED' ) ||
           ( $status eq 'UNCHECKEDOUT') ||
           ( $status eq 'BANNED')) {
       my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);        my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);
       if ( $target eq "web" ) {        if ( $target eq "web" ) {
  $result.= $head_tag_start.'</head>';   $result.= $head_tag_start.'</head>';
  return $result . $body_tag_start .          my $msg=$body_tag_start.
   " <br />Problem is not open to be viewed. The problem $datemsg<br />";      '<h1>Not open to be viewed</h1>';
           if ($status eq 'CLOSED') {
       $msg.='The problem '.$accessmsg;
    } elsif ($status eq 'UNCHECKEDOUT') {
               $msg.=(<<ENDCHECKOUT);
   <h2>The resource needs to be checked out</h2>
   As a resource gets checked out, a unique timestamped ID is given to it, and a
   permanent record is left in the system.<p />
   <font color=red>
   Checking out resources is subject to course policies, and may exclude future
   credit even if done erroneously.<p />
   </font>  
   <form method=post>
   <input type=submit name="doescheckout" 
   value="Check out Exam for Viewing" />
   </form>
   ENDCHECKOUT
           }
    return $result.$msg.'<br />';
       }        }
     }      }
   }    }
Line 113  sub start_problem { Line 161  sub start_problem {
        <input type="hidden" name="problemmode" value="Edit" />         <input type="hidden" name="problemmode" value="Edit" />
        <input type="submit" name="problemmode" value="View" />         <input type="submit" name="problemmode" value="View" />
        <input type="submit" name="Undo" value="undo" /> <hr />         <input type="submit" name="Undo" value="undo" /> <hr />
          <input type="submit" name="submit" value="Submit Changes" /><br />
       ';        ';
     my $temp=&Apache::edit::insertlist($target,$token);      my $temp=&Apache::edit::insertlist($target,$token);
     $result.=$temp;      $result.=$temp;
Line 146  sub end_problem { Line 195  sub end_problem {
       } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {        } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
  $result.="</body>\n";   $result.="</body>\n";
       }        }
         $result.=&Apache::lonxml::xmlend();
     }      }
   }    }
   if ($target eq 'meta') {    if ($target eq 'meta') {
Line 289  sub start_randomlist { Line 339  sub start_randomlist {
 sub shuffle {  sub shuffle {
     my $a=shift;      my $a=shift;
     my $i;      my $i;
       &Apache::response::setrandomnumber();
     for($i=@$a;--$i;) {      for($i=@$a;--$i;) {
       my $j=int rand($i+1);        my $j=int rand($i+1);
       next if $i == $j;        next if $i == $j;
Line 306  sub start_part { Line 357  sub start_part {
   if ($id eq '') { $id = $Apache::lonxml::curdepth; }    if ($id eq '') { $id = $Apache::lonxml::curdepth; }
   $Apache::inputtags::part=$id;    $Apache::inputtags::part=$id;
   @Apache::inputtags::responselist = ();    @Apache::inputtags::responselist = ();
     @Apache::inputtags::previous=();
   if ($target eq 'meta') {    if ($target eq 'meta') {
     return &Apache::response::mandatory_part_meta;      return &Apache::response::mandatory_part_meta;
   } elsif ($target eq 'web' || $target eq 'grade') {    } elsif ($target eq 'web' || $target eq 'grade') {
     my ($status,$datemsg) = &Apache::lonhomework::check_date($id);      my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
     push (@Apache::inputtags::status,$status);      push (@Apache::inputtags::status,$status);
     my $expression='$external::datestatus="'.$status.'";';      my $expression='$external::datestatus="'.$status.'";';
     $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';      $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
Line 317  sub start_part { Line 369  sub start_part {
     if ( $status eq 'CLOSED' ) {      if ( $status eq 'CLOSED' ) {
       my $bodytext=&Apache::lonxml::get_all_text("/part",$$parser[$#$parser]);        my $bodytext=&Apache::lonxml::get_all_text("/part",$$parser[$#$parser]);
       if ( $target eq "web" ) {        if ( $target eq "web" ) {
  return "<br />Part is not open to be viewed. It $datemsg<br />";   return "<br />Part is not open to be viewed. It $accessmsg<br />";
       }        }
     }      }
   }    }
Removed from v.1.48  
changed lines
  Added in v.1.57

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