# The LearningOnline Network with CAPA
# <script> definiton
package Apache::scripttag;
use strict;
use Apache::lonnet;
sub BEGIN {
&Apache::lonxml::register('Apache::scripttag',('script','scriptlib',
'parserlib','import',
'footnote'));
}
$Apache::scripttag::SCRIPT_RESULT='';
sub start_script {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
my $args ='';
if ( $#$parstack > -1 ) {
$args=$$parstack[$#$parstack];
}
my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);
#&Apache::lonxml::debug("found type of $type");
$Apache::scripttag::SCRIPT_RESULT='';
if ($type eq "loncapa/perl") {
$safeeval->share('$SCRIPT_RESULT');
my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
if ( $target eq "modified" ) {
}
&Apache::run::run($bodytext,$safeeval);
if ($target eq "edit" ) {
$Apache::scripttag::SCRIPT_RESULT =
"<br> <$token->[1]> output: <br>$bodytext<br>Source:<br>";
$Apache::scripttag::SCRIPT_RESULT.=&editfield($token->[1],$bodytext);
}
} else {
$Apache::scripttag::SCRIPT_RESULT = $token->[4];
}
return $Apache::scripttag::SCRIPT_RESULT;
}
sub end_script {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
return $token->[2];
}
sub start_scriptlib {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
my $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
my $result ="";
$bodytext=&Apache::run::evaluate($bodytext,$safeeval,
$$parstack[$#$parstack]);
my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
$bodytext);
my $script=&Apache::lonnet::getfile($location);
if ($script == -1) {
&Apache::lonxml::error("<b> Unable to find <i>$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" ) {
$result.=&editfield($token->[1],$bodytext);
}
return $result;
}
sub end_scriptlib {}
sub start_parserlib {
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
my $bodytext=$$parser[$#$parser]->get_text("/parserlib");
my $result ="";
$bodytext=&Apache::run::evaluate($bodytext,$safeeval,
$$parstack[$#$parstack]);
my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
$bodytext);
my $styletext=&Apache::lonnet::getfile($location);
if ($styletext == -1) {
&Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
return "";
}
%$style = ( %$style , &Apache::style::styleparser($target,$styletext));
if ($target eq "edit" ) {
$result=&editfield($token->[1],$bodytext);
}
return $result;
}
sub end_parserlib {
}
sub start_footnote {
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
my $result = '';
$Apache::lonxml::redirection = 0;
return $result;
}
sub end_footnote {
my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
$Apache::lonxml::outputstack =~ s/\"/\"\;/g;
my $result = "<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor="#FFFFFF"> $Apache::lonxml::outputstack </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
$Apache::lonxml::outputstack = "";
$Apache::lonxml::redirection = 1;
return $result;
}
sub start_import {
my ($target,$token,$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::newparser($parser,\$file,$dir);
if ($target eq "edit" ) {
$result.=&editfield($token->[1],$bodytext);
$result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br></br>"
}
}
sub end_import {
}
sub editfield {
my ($tag,$data)=@_;
my $count=0;
my $maxlength=-1;
map { $count++;
if (length($_) > $maxlength) { $maxlength = length ($_); }
} split ("\n", $data);
return "<br></br>\n<$tag><br></br>\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br></br>\n</$tag><br></br>\n";
}
sub getfilenothere {
my ($filename) = @_;
my $a="";
$filename=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
$filename="/home/httpd/html/res".$filename;
if (! -e $filename ) {
&Apache::lonnet::subscribe($filename);
&Apache::lonnet::repcopy($filename);
}
if (! -e $filename ) { return -1; };
my $fh=Apache::File->new($filename);
while (<$fh>) {
$a .=$_;
}
return $a
}
1;
__END__
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