[BACK]Return to scripttag.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / xml
File:  [LON-CAPA] / loncom / xml / scripttag.pm
Revision 1.29: download - view: text, annotated - select for diffs
Thu Jan 4 19:15:02 2001 UTC (23 years, 6 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
</script> works correctly now, emitting </script> when needed and not when not

    1: # The LearningOnline Network with CAPA
    2: # <script> definiton
    3: 
    4: 
    5: package Apache::scripttag; 
    6: 
    7: use strict;
    8: use Apache::lonnet;
    9: 
   10: sub BEGIN {
   11:   &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',
   12: 						 'parserlib','import',
   13:                                                  'footnote','display'));
   14: }
   15: 
   16: sub start_script {
   17:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   18:   my $args ='';
   19:   if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
   20:   my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);
   21:   my $result='';
   22:   #&Apache::lonxml::debug("found type of $type");
   23:   if ($type eq "loncapa/perl") {
   24:     my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
   25:     
   26:     if ( $target eq "modified" ) {
   27:       
   28:     } elsif ( $target eq "web" || $target eq "grade" ) {
   29:       &Apache::run::run($bodytext,$safeeval);
   30:     } elsif ($target eq "edit" ) {
   31:       &Apache::run::run($bodytext,$safeeval);
   32:       $result="<br> &lt;$token->[1]&gt; output: <br>$bodytext<br>Source:<br>";
   33:       $result.=&editfield($token->[1],$bodytext);
   34:     }
   35:   } else {
   36:     if ($target ne "meta") { $result = $token->[4]; }
   37:   }
   38:   return $result;
   39: }
   40: 
   41: sub end_script {
   42:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   43:   if ( $target eq "meta" ) { return ''; } 
   44:   my $args ='';
   45:   if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
   46:   my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);
   47:   my $result='';
   48:   #other script blocks need to survive
   49:   if ($type ne "loncapa/perl") { return $token->[2]; }
   50:   return '';
   51: }
   52: 
   53: sub start_display {
   54:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   55:   my $args ='';
   56:   if ( $#$parstack > -1 ) {
   57:     $args=$$parstack[$#$parstack];
   58:   }
   59:   my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
   60:   
   61:   if ( $target eq "modified" ) {
   62:   }
   63:   my $result=&Apache::run::run($bodytext,$safeeval);
   64:   if ($target eq 'grade' ) {
   65:     # grade should produce no output
   66:     $result='';
   67:   }
   68:   if ($target eq "edit" ) {
   69:     $result = 
   70:       "<br> &lt;$token->[1]&gt; output: <br>$bodytext<br>Source:<br>";
   71:     $result.=&editfield($token->[1],$bodytext);
   72:   }
   73:   return $result;
   74: }
   75: 
   76: sub end_display {
   77: }
   78: 
   79: sub start_scriptlib {
   80:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   81:   my $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
   82:   my $result ="";
   83: 
   84:   $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
   85: 				   $$parstack[$#$parstack]);
   86:   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
   87: 					     $bodytext);
   88:   my $script=&Apache::lonnet::getfile($location);
   89:   if ($script == -1) {
   90:     &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
   91:     return "";
   92:   }
   93:   &Apache::run::run($script,$safeeval);
   94:   #&Apache::lonxml::debug("ran $bodytext:<br>".&Apache::lonnet::getfile($bodytext)."<br>");
   95: 
   96:   if ($target eq "edit" ) {
   97:     $result.=&editfield($token->[1],$bodytext);
   98:   }
   99:   return $result;
  100: }
  101: 
  102: sub end_scriptlib {}
  103: 
  104: sub start_parserlib {
  105:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  106:   my $bodytext=$$parser[$#$parser]->get_text("/parserlib");
  107:   my $result ="";
  108: 
  109:   $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
  110: 				  $$parstack[$#$parstack]);
  111:   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
  112: 					     $bodytext);
  113:   my $styletext=&Apache::lonnet::getfile($location);
  114:   #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
  115:   if ($styletext == -1) {
  116:     &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
  117:     return "";
  118:   }
  119:   %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
  120: 
  121:   if ($target eq "edit" ) {
  122:     $result=&editfield($token->[1],$bodytext);
  123:   }
  124:   return $result;
  125: }
  126: 
  127: sub end_parserlib {
  128: }
  129: 
  130: sub start_footnote {
  131:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  132:   my $result = '';
  133:   $Apache::lonxml::redirection = 0;
  134:   return $result;  
  135: }
  136: 
  137: sub end_footnote {
  138:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  139:   $Apache::lonxml::outputstack =~ s/\"/\&quot\;/g;
  140:   my $result = "<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor=&quot;#FFFFFF&quot;> $Apache::lonxml::outputstack </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
  141:    $Apache::lonxml::outputstack = "";
  142:    $Apache::lonxml::redirection = 1;
  143:   return $result; 
  144: }
  145: 
  146: sub start_import {
  147:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  148:   my $bodytext=$$parser[$#$parser]->get_text("/import");
  149:   my $result ="";
  150: 
  151:   $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
  152:   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
  153:   my $file=&Apache::lonnet::getfile($location);
  154:   if ($file == -1) {
  155:     &Apache::lonxml::error("<b> Unable to find <i>$bodytext $location</i> for import</b>");
  156:     return "";
  157:   }
  158: 
  159:   my $dir=$location;
  160:   $dir=~s:/[^/]*$::;
  161:   &Apache::lonxml::newparser($parser,\$file,$dir);
  162: 
  163:   if ($target eq "edit" ) {
  164:     $result.=&editfield($token->[1],$bodytext);
  165:     $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br></br>"
  166:   }
  167:   return '';
  168: }
  169: 
  170: sub end_import {
  171: }
  172: 
  173: sub editfield {
  174:   my ($tag,$data)=@_;
  175:   
  176:   my $count=0;
  177:   my $maxlength=-1;
  178:   map { $count++;
  179: 	if (length($_) > $maxlength) { $maxlength = length ($_); }
  180:       } split ("\n", $data);
  181: 	  
  182:   return "<br></br>\n&lt;$tag&gt;<br></br>\n&nbsp;&nbsp;&nbsp;<textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br></br>\n&lt;/$tag&gt;<br></br>\n";
  183: }
  184: 
  185: sub getfilenothere {
  186:   my ($filename) = @_;
  187:   my $a="";
  188:   
  189:   $filename=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
  190:   $filename="/home/httpd/html/res".$filename;
  191:   if (! -e $filename ) {
  192:     &Apache::lonnet::subscribe($filename);
  193:     &Apache::lonnet::repcopy($filename);
  194:   }
  195:   if (! -e $filename ) { return -1; };
  196:   my $fh=Apache::File->new($filename);
  197:   while (<$fh>) {
  198:       $a .=$_;
  199:   }
  200:   return $a
  201: }
  202: 
  203: 1;
  204: __END__
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