Return to scripttag.pm CVS log

Up to [LON-CAPA] / loncom / xml

- added new arg $tagstack to all start_ or end_ routines

# The LearningOnline Network with CAPA
# <script> definiton
# 2/21 Guy

package Apache::scripttag; 

use strict;
use Apache::lonnet;

sub BEGIN {
  &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',
						 'parserlib','import',
                                                 'window','display'));
}

sub start_script {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  my $result='';
  my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
  &Apache::lonxml::debug("found type of $type");
  if ($type eq "loncapa/perl") {
    my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
    
    if ( $target eq "modified" ) {
      $result=$token->[4].$bodytext;
    } elsif ( $target eq "web" || $target eq "grade" ) {
      &Apache::run::run($bodytext,$safeeval);
    } elsif ($target eq "edit" ) {
      &Apache::run::run($bodytext,$safeeval);
      $result="<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
      $result.=&Apache::edit::editfield($token->[1],$bodytext,'',50,5);
    }
  } else {
    if ($target ne "meta") { $result = $token->[4]; }
  }
  return $result;
}

sub end_script {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  if ( $target eq "meta" ) { return ''; } 
  my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
  my $result='';
  #other script blocks need to survive
  if ($type ne "loncapa/perl") { return $token->[2]; }
  return '';
}

sub start_display {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;

  my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);

  if ( $target eq "modified" ) {
  }
  my $result=&Apache::run::run($bodytext,$safeeval);
  if ($target eq 'grade' ) {
    # grade should produce no output
    $result='';
  }
  if ($target eq "edit" ) {
    $result = 
      "<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
    $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
  }
  return $result;
}

sub end_display {
  return ''
}

sub start_scriptlib {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $bodytext;
  my $result ='';
  my $error='';

  if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit') {
    $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
    $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
				     $$parstack[$#$parstack]);
    my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
					       $bodytext);
    my $script=&Apache::lonnet::getfile($location);
    if ($script == -1) {
      if ($target eq 'edit') {
        $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
      } else {
	&Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
	return "";
      }
    }
    &Apache::run::run($script,$safeeval);
    #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
  }
  if ($target eq "edit" ) {
    $result=
      &Apache::edit::tag_start($target,$token).
	&Apache::edit::editfield($token->[1],$bodytext,'New Script Functions',40,1).
	  $error;
  }
  if ($target eq "modified" ) {
    $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
    $result=&Apache::edit::modifiedfield($token);
    &Apache::lonxml::debug($result);
  }
  return $result;
}

sub end_scriptlib {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result='';
#  if ($target eq "edit" ) { $result=" "; }
  return $result;
}

sub start_parserlib {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $bodytext;
  my $result ="";
  my $error='';

  if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit') {
    $bodytext=$$parser[$#$parser]->get_text("/parserlib");
    $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
				     $$parstack[$#$parstack]);
    my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
					       $bodytext);
    my $styletext=&Apache::lonnet::getfile($location);
    #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
    if ($styletext == -1) {
      if ($target eq 'edit') {
	$error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
      } else {
	&Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
	return "";
      }
    }
    %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
  }
  if ($target eq "edit" ) {
    $result=
      &Apache::edit::tag_start($target,$token).
	&Apache::edit::editfield($token->[1],$bodytext,"New Tag Definitions",40,1).
	  $error;
  }
  if ($target eq "modified" ) {
    $bodytext=$$parser[$#$parser]->get_text("/parserlib");
    $result=&Apache::edit::modifiedfield($token);
    &Apache::lonxml::debug($result);
  }
  return $result;
}

sub end_parserlib {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result='';
#  if ($target eq "edit" ) { 
#    $result=&Apache::edit::tag_end($target,$token);
#  }
  return $result;
}

sub start_window {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result = '';
  if ($target eq 'web') {
    &Apache::lonxml::startredirection;
  }  elsif ($target eq 'tex') {
       $result = '\footnote{';
   }
  return $result;  
}

sub end_window {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result;
  if ($target eq 'web') {
    my $output=&Apache::lonxml::endredirection;
    $output =~ s/\"/\&quot\;/g;
    $result = "<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200,scrollbars=1\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor=&quot;#FFFFFF&quot;> $output </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
  } elsif ($target eq 'tex') {
      $result = '}';
  } else {
      $result = '';
  }
  return $result; 
}

sub start_import {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $bodytext=$$parser[$#$parser]->get_text("/import");
  my $result ="";

  $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
  my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
  my $file=&Apache::lonnet::getfile($location);
  if ($file == -1) {
    &Apache::lonxml::error("<b> Unable to find <i>$bodytext $location</i> for import</b>");
    return "";
  }

  my $dir=$location;
  $dir=~s:/[^/]*$::;  
#  &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
  &Apache::lonxml::newparser($parser,\$file,$dir);

  if ($target eq "edit" ) {
    $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
    $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br />"
  }
  return '';
}

sub end_import {
}

sub start_meta {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result = '';
    if ($target ne 'meta') {
       $result = &Apache::lonxml::get_all_text("/meta",$$parser[$#$parser]); 
       $result = '';
      return $result; 
    } else {
       return $result; 
    }
}

sub end_meta {
}

1;
__END__