File:  [LON-CAPA] / loncom / xml / scripttag.pm
Revision 1.41: download - view: text, annotated - select for diffs
Tue Jun 26 21:45:58 2001 UTC (22 years, 11 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- made the edit interface for <script> work properly

    1: # The LearningOnline Network with CAPA
    2: # <script> definiton
    3: # 2/21 Guy
    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:                                                  'window','display'));
   14: }
   15: 
   16: sub start_script {
   17:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   18:   my $result='';
   19:   my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
   20:   &Apache::lonxml::debug("found type of $type");
   21:   if ($type eq "loncapa/perl") {
   22:     my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
   23:     if ( $target eq "modified" ) {
   24:       $result=$token->[4].&Apache::edit::modifiedfield();
   25:     } elsif ( $target eq "web" || $target eq "grade" ) {
   26:       &Apache::run::run($bodytext,$safeeval);
   27:     } elsif ($target eq "edit" ) {
   28:       #&Apache::run::run($bodytext,$safeeval);
   29:       #$result="<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
   30:       $result=&Apache::edit::tag_start($target,$token,'Script');
   31:       $result.=&Apache::edit::editfield($token->[1],$bodytext,'',50,4);
   32:     }
   33:   } else {
   34:     if ($target ne "meta") { $result = $token->[4]; }
   35:   }
   36:   return $result;
   37: }
   38: 
   39: sub end_script {
   40:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   41:   if ( $target eq "meta" ) { return ''; } 
   42:   my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
   43:   my $result='';
   44:   #other script blocks need to survive
   45:   if ($type ne "loncapa/perl") { return $token->[2]; }
   46:   if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
   47:   return '';
   48: }
   49: 
   50: sub start_display {
   51:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   52: 
   53:   my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
   54: 
   55:   if ( $target eq "modified" ) {
   56:   }
   57:   my $result=&Apache::run::run($bodytext,$safeeval);
   58:   if ($target eq 'grade' ) {
   59:     # grade should produce no output
   60:     $result='';
   61:   }
   62:   if ($target eq "edit" ) {
   63:     $result = 
   64:       "<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
   65:     $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
   66:   }
   67:   return $result;
   68: }
   69: 
   70: sub end_display {
   71:   return ''
   72: }
   73: 
   74: sub start_scriptlib {
   75:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   76:   my $bodytext;
   77:   my $result ='';
   78:   my $error='';
   79: 
   80:   if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit') {
   81:     $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
   82:     $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
   83: 				     $$parstack[$#$parstack]);
   84:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
   85: 					       $bodytext);
   86:     my $script=&Apache::lonnet::getfile($location);
   87:     if ($script == -1) {
   88:       if ($target eq 'edit') {
   89:         $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
   90:       } else {
   91: 	&Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
   92: 	return "";
   93:       }
   94:     }
   95:     &Apache::run::run($script,$safeeval);
   96:     #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
   97:   }
   98:   if ($target eq "edit" ) {
   99:     $result=
  100:       &Apache::edit::tag_start($target,$token).
  101: 	&Apache::edit::editfield($token->[1],$bodytext,'New Script Functions',40,1).
  102: 	  $error;
  103:   }
  104:   if ($target eq "modified" ) {
  105:     $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
  106:     $result=&Apache::edit::modifiedfield($token);
  107:     &Apache::lonxml::debug($result);
  108:   }
  109:   return $result;
  110: }
  111: 
  112: sub end_scriptlib {
  113:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  114:   my $result='';
  115: #  if ($target eq "edit" ) { $result=" "; }
  116:   return $result;
  117: }
  118: 
  119: sub start_parserlib {
  120:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  121:   my $bodytext;
  122:   my $result ="";
  123:   my $error='';
  124: 
  125:   if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit') {
  126:     $bodytext=$$parser[$#$parser]->get_text("/parserlib");
  127:     $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
  128: 				     $$parstack[$#$parstack]);
  129:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
  130: 					       $bodytext);
  131:     my $styletext=&Apache::lonnet::getfile($location);
  132:     #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
  133:     if ($styletext == -1) {
  134:       if ($target eq 'edit') {
  135: 	$error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
  136:       } else {
  137: 	&Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
  138: 	return "";
  139:       }
  140:     }
  141:     %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
  142:   }
  143:   if ($target eq "edit" ) {
  144:     $result=
  145:       &Apache::edit::tag_start($target,$token).
  146: 	&Apache::edit::editfield($token->[1],$bodytext,"New Tag Definitions",40,1).
  147: 	  $error;
  148:   }
  149:   if ($target eq "modified" ) {
  150:     $bodytext=$$parser[$#$parser]->get_text("/parserlib");
  151:     $result=&Apache::edit::modifiedfield($token);
  152:     &Apache::lonxml::debug($result);
  153:   }
  154:   return $result;
  155: }
  156: 
  157: sub end_parserlib {
  158:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  159:   my $result='';
  160: #  if ($target eq "edit" ) { 
  161: #    $result=&Apache::edit::tag_end($target,$token);
  162: #  }
  163:   return $result;
  164: }
  165: 
  166: sub start_window {
  167:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  168:   my $result = '';
  169:   if ($target eq 'web') {
  170:     &Apache::lonxml::startredirection;
  171:   }  elsif ($target eq 'tex') {
  172:        $result = '\footnote{';
  173:    }
  174:   return $result;  
  175: }
  176: 
  177: sub end_window {
  178:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  179:   my $result;
  180:   if ($target eq 'web') {
  181:     my $output=&Apache::lonxml::endredirection;
  182:     $output =~ s/\"/\&quot\;/g;
  183:     $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;> $output </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
  184:   } elsif ($target eq 'tex') {
  185:       $result = '}';
  186:   } else {
  187:       $result = '';
  188:   }
  189:   return $result; 
  190: }
  191: 
  192: sub start_import {
  193:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  194:   my $bodytext=$$parser[$#$parser]->get_text("/import");
  195:   my $result ="";
  196: 
  197:   $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
  198:   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
  199:   my $file=&Apache::lonnet::getfile($location);
  200:   if ($file == -1) {
  201:     &Apache::lonxml::error("<b> Unable to find <i>$bodytext $location</i> for import</b>");
  202:     return "";
  203:   }
  204: 
  205:   my $dir=$location;
  206:   $dir=~s:/[^/]*$::;  
  207: #  &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
  208:   &Apache::lonxml::newparser($parser,\$file,$dir);
  209: 
  210:   if ($target eq "edit" ) {
  211:     $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
  212:     $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br />"
  213:   }
  214:   return '';
  215: }
  216: 
  217: sub end_import {
  218: }
  219: 
  220: sub start_meta {
  221:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  222:   my $result = '';
  223:     if ($target ne 'meta') {
  224:        $result = &Apache::lonxml::get_all_text("/meta",$$parser[$#$parser]); 
  225:        $result = '';
  226:       return $result; 
  227:     } else {
  228:        return $result; 
  229:     }
  230: }
  231: 
  232: sub end_meta {
  233: }
  234: 
  235: 1;
  236: __END__

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