Annotation of loncom/xml/scripttag.pm, revision 1.104

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # <script> definiton
1.58      www         3: #
1.104   ! albertel    4: # $Id: scripttag.pm,v 1.103 2003/10/30 20:52:54 albertel Exp $
1.58      www         5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.34      albertel   28: # 2/21 Guy
1.50      www        29: # 8/20 Gerd Kortemeyer
1.1       albertel   30: 
1.47      albertel   31: package Apache::scripttag;
1.1       albertel   32: 
                     33: use strict;
1.3       albertel   34: use Apache::lonnet;
1.42      sakharuk   35: use Apache::style;
1.1       albertel   36: 
1.47      albertel   37: #Globals
                     38: # this used to pass around the standard callsub arguments to a tag func
                     39: # so xmlparse can reenter the inner_xmlparse loop.
                     40: 
                     41: @Apache::scripttag::parser_env = ();
1.61      harris41   42: BEGIN {
1.62      albertel   43:   &Apache::lonxml::register('Apache::scripttag',
                     44: 			    ('script','scriptlib','parserlib','import',
                     45: 			     'window','display','storetc','physnet',
1.81      albertel   46: 			     'standalone','comment',
1.86      albertel   47: 			     'LONCAPA_INTERNAL_TURN_STYLE_ON',
1.100     albertel   48: 			     'LONCAPA_INTERNAL_TURN_STYLE_OFF',
1.86      albertel   49: 			     'LONCAPA_INTERNAL_LONHTTPD_PORT'));
1.81      albertel   50: }
                     51: 
                     52: sub start_LONCAPA_INTERNAL_TURN_STYLE_ON {
                     53:     $Apache::lonxml::usestyle=1;
1.89      albertel   54:     $Apache::lonxml::style_values='';
1.81      albertel   55:     return ('','no');
                     56: }
                     57: 
                     58: sub end_LONCAPA_INTERNAL_TURN_STYLE_ON {
1.91      albertel   59:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                     60:     my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval);
                     61:     if (defined($end)) {
                     62: 	&Apache::lonxml::end_tag($tagstack,$parstack,$token);
                     63:     }
1.100     albertel   64:     return ('','no');
                     65: }
                     66: 
                     67: sub start_LONCAPA_INTERNAL_TURN_STYLE_OFF {
                     68:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                     69:     $Apache::lonxml::usestyle=0;
                     70:     my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval);
                     71:     if (!$end) {
                     72: 	$Apache::lonxml::style_values=$$parstack[-1];
                     73: 	$Apache::lonxml::style_end_values=$$parstack[-1];
                     74:     } else {
                     75: 	$Apache::lonxml::style_values=$Apache::lonxml::style_end_values;
                     76: 	$Apache::lonxml::style_end_values='';
                     77:     }
                     78:     return ('','no');
                     79: }
                     80: 
                     81: sub end_LONCAPA_INTERNAL_TURN_STYLE_OFF {
1.86      albertel   82:     return ('','no');
                     83: }
                     84: 
                     85: sub start_LONCAPA_INTERNAL_LONHTTPD_PORT {
                     86:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                     87:     if ($target eq 'web') {
                     88: 	my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
                     89: 	if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
                     90: 	return '<script type="text/javascript">var lonhttpdport=\''.
                     91: 	    $lonhttpdPort.'\';</script>';
                     92:     }
                     93:     return ('','no');
                     94: }
                     95: 
                     96: sub end_LONCAPA_INTERNAL_LONHTTPD_PORT {
1.81      albertel   97:     return ('','no');
1.1       albertel   98: }
                     99: 
                    100: sub start_script {
1.40      albertel  101:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.47      albertel  102:   @Apache::scripttag::parser_env = @_;
1.24      albertel  103:   my $result='';
1.39      albertel  104:   my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
                    105:   &Apache::lonxml::debug("found type of $type");
1.17      albertel  106:   if ($type eq "loncapa/perl") {
                    107:     if ( $target eq "modified" ) {
1.103     albertel  108: 	$result=$token->[4].&Apache::edit::modifiedfield('/script',$parser);
1.54      albertel  109:     } elsif ( $target eq 'web' || $target eq 'tex' ||
1.78      albertel  110: 	      $target eq 'grade' || $target eq 'answer' ||
                    111: 	      $target eq 'analyze' ) {
1.103     albertel  112: 	my $bodytext=&Apache::lonxml::get_all_text("/script",$parser);
1.79      albertel  113: 	if (!$Apache::lonxml::default_homework_loaded) {
                    114: 	    &Apache::lonxml::default_homework_load($safeeval);
                    115: 	}
                    116: 	&Apache::run::run($bodytext,$safeeval);
1.88      albertel  117: 	if (($target eq 'answer') &&
                    118: 	    ($ENV{'form.answer_output_mode'} ne 'tex') &&
                    119: 	    ($Apache::lonhomework::viewgrades == 'F')) {
1.79      albertel  120: 	    $Apache::lonxml::evaluate--;
1.104   ! albertel  121: 	    $result.="<script type=\"text/javascript\"> function LONCAPA_scriptvars_$Apache::lonxml::curdepth() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.document.open('text/html','replace');newWindow.document.writeln('<html><head><title>Script Vars</title></head><body bgcolor=\"#FFFFFF\"><pre>";
1.99      albertel  122: 	    my $listing=&Apache::run::dump($target,$safeeval);
                    123: 	    $listing=~s/\'/\\\'/g;
                    124: 	    $listing=~s/\n/\\n/g;
                    125: 	    $listing=~s/\r/\\r/g;
1.79      albertel  126: 	    $result.=$listing;
1.99      albertel  127: 	    $result.= "</pre></body></html>');newWindow.document.close();}</script><a href=\"javascript:LONCAPA_scriptvars_$Apache::lonxml::curdepth();void(0);\">Script Vars</a><br />";
1.79      albertel  128: 	}
1.28      albertel  129:     } elsif ($target eq "edit" ) {
1.41      albertel  130:       #&Apache::run::run($bodytext,$safeeval);
                    131:       #$result="<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
1.103     albertel  132: 	my $bodytext=&Apache::lonxml::get_all_text("/script",$parser);
                    133: 	$result=&Apache::edit::tag_start($target,$token,'Script');
                    134: 	$result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4);
1.17      albertel  135:     }
                    136:   } else {
1.66      albertel  137:     if ($target ne "meta") {
                    138:       $result = $token->[4];
1.85      albertel  139:       my $bodytext=&Apache::lonxml::get_all_text("/script",$parser);
1.66      albertel  140:       $result.=$bodytext;
                    141:     }
1.13      albertel  142:   }
1.24      albertel  143:   return $result;
1.17      albertel  144: }
1.13      albertel  145: 
1.17      albertel  146: sub end_script {
1.40      albertel  147:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.28      albertel  148:   if ( $target eq "meta" ) { return ''; } 
1.39      albertel  149:   my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.29      albertel  150:   my $result='';
                    151:   #other script blocks need to survive
1.53      albertel  152:   if ($type ne "loncapa/perl") {
                    153:     return $token->[2];
                    154:   } elsif ($target eq 'edit' ) {
                    155:     return &Apache::edit::end_table();
1.78      albertel  156:   } elsif ($target eq 'answer') {
1.53      albertel  157:     $Apache::lonxml::evaluate++;
                    158:   }
1.28      albertel  159:   return '';
1.24      albertel  160: }
                    161: 
                    162: sub start_display {
1.40      albertel  163:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.39      albertel  164: 
1.48      albertel  165:   my $result;
1.39      albertel  166: 
1.24      albertel  167:   if ( $target eq "modified" ) {
1.103     albertel  168:       $result=$token->[4].&Apache::edit::modifiedfield("/display",$parser);
1.54      albertel  169:   } elsif ( $target eq 'web' || $target eq 'tex' ||
1.78      albertel  170: 	    $target eq 'grade' || $target eq 'answer' ||
                    171: 	      $target eq 'analyze') {
1.103     albertel  172:       my $bodytext=&Apache::lonxml::get_all_text("/display",$parser);
1.80      albertel  173:       if (!$Apache::lonxml::default_homework_loaded) {
                    174: 	  &Apache::lonxml::default_homework_load($safeeval);
                    175:       }
                    176:       $result=&Apache::run::run($bodytext,$safeeval);
                    177:       if ($target eq 'grade' || $target eq 'answer' ||
                    178: 	  $target eq 'analyze') {
                    179: 	  $result=''; # grade should produce no output
                    180:       }
1.101     albertel  181:       $Apache::lonxml::post_evaluate=0;
1.48      albertel  182:   } elsif ($target eq "edit" ) {
1.103     albertel  183:     my $bodytext=&Apache::lonxml::get_all_text("/display",$parser);
1.48      albertel  184:     #$result = 
                    185:     #  "<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
                    186:     #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
                    187:     $result=&Apache::edit::tag_start($target,$token,'Script With Display');
1.77      albertel  188:     $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1)
1.24      albertel  189:   }
                    190:   return $result;
                    191: }
                    192: 
                    193: sub end_display {
1.48      albertel  194:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    195:   if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
                    196:   return '';
1.1       albertel  197: }
1.3       albertel  198: 
                    199: sub start_scriptlib {
1.40      albertel  200:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37      albertel  201:   my $bodytext;
                    202:   my $result ='';
                    203:   my $error='';
                    204: 
1.78      albertel  205:   if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || 
                    206:       $target eq 'edit' || $target eq 'answer' || $target eq 'analyze') {
1.37      albertel  207:     $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
                    208:     $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
                    209: 				     $$parstack[$#$parstack]);
                    210:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
                    211: 					       $bodytext);
                    212:     my $script=&Apache::lonnet::getfile($location);
                    213:     if ($script == -1) {
                    214:       if ($target eq 'edit') {
                    215:         $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
                    216:       } else {
                    217: 	&Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
                    218: 	return "";
                    219:       }
                    220:     }
                    221:     &Apache::run::run($script,$safeeval);
                    222:     #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
1.18      albertel  223:   }
1.13      albertel  224:   if ($target eq "edit" ) {
1.37      albertel  225:     $result=
1.49      albertel  226:       &Apache::edit::tag_start($target,$token,'New Script Functions').
1.83      matthew   227: 	&Apache::edit::editline($token->[1],$bodytext,'scriptlib',40).
                    228:             &Apache::edit::browse(undef,'textnode').
1.49      albertel  229: 	  $error.'</td></tr>'.
                    230: 	    &Apache::edit::end_table();
1.37      albertel  231:   }
                    232:   if ($target eq "modified" ) {
1.103     albertel  233:       $result=$token->[4].&Apache::edit::modifiedfield("/scriptlib",$parser);
1.3       albertel  234:   }
                    235:   return $result;
                    236: }
                    237: 
1.37      albertel  238: sub end_scriptlib {
1.40      albertel  239:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49      albertel  240:   my @result;
                    241:   if ($target eq "edit" ) { $result[1]='no'; }
                    242:   return @result;
1.37      albertel  243: }
1.4       albertel  244: 
                    245: sub start_parserlib {
1.40      albertel  246:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37      albertel  247:   my $bodytext;
1.7       albertel  248:   my $result ="";
1.37      albertel  249:   my $error='';
1.78      albertel  250:   if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' ||
                    251:       $target eq 'edit' || $target eq 'answer' || $target eq 'analyze') {
1.37      albertel  252:     $bodytext=$$parser[$#$parser]->get_text("/parserlib");
                    253:     $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
                    254: 				     $$parstack[$#$parstack]);
                    255:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
                    256: 					       $bodytext);
                    257:     my $styletext=&Apache::lonnet::getfile($location);
                    258:     #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
                    259:     if ($styletext == -1) {
                    260:       if ($target eq 'edit') {
                    261: 	$error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
                    262:       } else {
                    263: 	&Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
                    264: 	return "";
                    265:       }
                    266:     }
                    267:     %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
1.18      albertel  268:   }
1.13      albertel  269:   if ($target eq "edit" ) {
1.37      albertel  270:     $result=
1.49      albertel  271:       &Apache::edit::tag_start($target,$token,'New Tag Definitions').
1.68      albertel  272: 	&Apache::edit::editline($token->[1],$bodytext,'',40).
1.49      albertel  273: 	  $error.'</td></tr>'.
                    274: 	    &Apache::edit::end_table();
1.37      albertel  275:   }
                    276:   if ($target eq "modified" ) {
1.103     albertel  277:       $result=$token->[4].&Apache::edit::modifiedfield("/parserlib",$parser);
1.7       albertel  278:   }
                    279:   return $result;
1.4       albertel  280: }
                    281: 
                    282: sub end_parserlib {
1.40      albertel  283:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49      albertel  284:   my @result;
                    285:   if ($target eq "edit" ) { $result[1]='no'; }
                    286:   return @result;
1.6       albertel  287: }
                    288: 
1.30      sakharuk  289: sub start_window {
1.40      albertel  290:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.20      sakharuk  291:   my $result = '';
1.31      albertel  292:   if ($target eq 'web') {
1.34      albertel  293:     &Apache::lonxml::startredirection;
1.35      sakharuk  294:   }  elsif ($target eq 'tex') {
1.42      sakharuk  295:        $result = '\unskip\footnote{';
1.35      sakharuk  296:    }
1.19      sakharuk  297:   return $result;  
                    298: }
                    299: 
1.30      sakharuk  300: sub end_window {
1.40      albertel  301:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.30      sakharuk  302:   my $result;
1.31      albertel  303:   if ($target eq 'web') {
1.34      albertel  304:     my $output=&Apache::lonxml::endredirection;
1.97      albertel  305:     $output =~ s/[\n\r]/ /g;
1.98      albertel  306: #    $output = &HTML::Entities::encode($output,'<>&"\'');
                    307:     $output =~ s/\'/\\\'/g;
1.92      albertel  308:     my $linktext= &Apache::lonxml::get_param('linktext',$parstack,$safeeval);
                    309:     if (!$linktext) { $linktext='<sup>*</sup>'; }
                    310:     my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
                    311:     if (!$width) { $width='500'; }
                    312:     my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
                    313:     if (!$height) { $height='200'; }
1.98      albertel  314:     $result = "<script type=\"text/javascript\"> function LONCAPA_newwindow_$Apache::lonxml::curdepth() {newWindow=open('','new_W','width=$width,height=$height,scrollbars=1');newWindow.document.open('text/html','replace');newWindow.document.writeln('<html><head><title>newwindow</title></head><body bgcolor=\"#FFFFFF\"> $output </body></html>');newWindow.document.close();}</script><a href=\"javascript:LONCAPA_newwindow_$Apache::lonxml::curdepth();void(0);\">$linktext</a>";
1.35      sakharuk  315:   } elsif ($target eq 'tex') {
                    316:       $result = '}';
1.30      sakharuk  317:   } else {
1.35      sakharuk  318:       $result = '';
1.30      sakharuk  319:   }
1.20      sakharuk  320:   return $result; 
1.19      sakharuk  321: }
                    322: 
1.6       albertel  323: sub start_import {
1.40      albertel  324:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.31      albertel  325:   my $bodytext=$$parser[$#$parser]->get_text("/import");
1.7       albertel  326:   my $result ="";
1.13      albertel  327: 
                    328:   $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
1.14      albertel  329: 
1.78      albertel  330:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
                    331:       $target eq 'tex' || $target eq 'analyze' ) {
1.46      albertel  332:     # FIXME this probably needs to be smart about construction vs.
                    333:     # non construction space.
                    334:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
                    335:     my $file=&Apache::lonnet::getfile($location);
                    336:     if ($file == -1) {
                    337:       &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
                    338:       return "";
                    339:     }
1.13      albertel  340: 
1.46      albertel  341:     my $dir=$location;
                    342:     $dir=~s:/[^/]*$::;
                    343:     #  &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
1.57      albertel  344:     my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
                    345:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                    346:     push(@Apache::inputtags::import,$id);
1.90      albertel  347:     push(@Apache::inputtags::importlist,$id);
1.87      sakharuk  348: 
                    349: 	&Apache::lonxml::newparser($parser,\$file,$dir);
                    350: 
1.56      albertel  351:   } elsif ($target eq "edit" ) {
1.46      albertel  352:     $result.=&Apache::edit::tag_start($target,$token);
1.68      albertel  353:     $result.=&Apache::edit::editline($token->[1],$bodytext,'',40);
1.83      matthew   354:     $result.=&Apache::edit::browse(undef,'textnode');
1.46      albertel  355:     #FIXME this need to convert $bodytext to be a contruction space reference
                    356:     #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
                    357:     #$result.="Click<a href=\"$location\">here</a> to edit<br />"
1.56      albertel  358:   } elsif ($target eq 'modified') {
1.103     albertel  359:       $result=$token->[4].&Apache::edit::modifiedfield("/import",$parser);
1.56      albertel  360:   } elsif ($target eq 'meta') {
1.57      albertel  361:     my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
                    362:     $result.='<import part="'.$Apache::inputtags::part;
                    363:     if ($id) {
                    364:       $result.='" id="'.$id;
                    365:     }
                    366:     $result.='">';
1.56      albertel  367:     $result.=$bodytext;
                    368:     $result.='</import>';
1.46      albertel  369:   }
                    370:   return $result;
1.6       albertel  371: }
                    372: 
                    373: sub end_import {
1.69      albertel  374:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.57      albertel  375:   pop(@Apache::inputtags::import);
1.69      albertel  376:   my $result;
                    377:   if ($target eq 'edit' ) { $result=&Apache::edit::end_table(); }
                    378:   return $result;
1.1       albertel  379: }
1.42      sakharuk  380: 
                    381: sub start_storetc {
1.43      albertel  382:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42      sakharuk  383:   my $result = '';
                    384:   &Apache::lonxml::startredirection;
                    385:   return $result; 
                    386: }
                    387: 
                    388: sub end_storetc {
1.43      albertel  389:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42      sakharuk  390:     my $result;
                    391:     my $output=&Apache::lonxml::endredirection;
                    392:     $output =~ s/\"/\&quot\;/g;
1.52      albertel  393:     $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
                    394:     return $result;
1.42      sakharuk  395: }
                    396: 
                    397: 
                    398: sub start_physnet {
1.45      sakharuk  399:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.50      www       400:     my $bodytext = '/adm/includes/physnet.sty';
1.45      sakharuk  401:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
                    402:     my $cbistyletext=&Apache::lonnet::getfile($location);
1.42      sakharuk  403: 
1.45      sakharuk  404:     %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
1.59      albertel  405:     $$parser['-1']->unget_token($token);
                    406: #    if ( defined($$style{'physnet'}) ) {
                    407: #        &Apache::lonxml::newparser($parser,\$$style{'physnet'});
                    408: #    }
1.45      sakharuk  409:     return "";
                    410: }
1.42      sakharuk  411: 
1.45      sakharuk  412: sub end_physnet {
1.47      albertel  413:   return '';
1.42      sakharuk  414: }
1.62      albertel  415: 
                    416: sub start_standalone {
                    417:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.75      albertel  418:   my $result='';
                    419:   if ($target eq 'web' ) {
                    420:     if ( $ENV{'request.course.id'} ) {
1.85      albertel  421:       my $inside = &Apache::lonxml::get_all_text("/standalone",$parser);
1.75      albertel  422:     } else {
                    423:       $result='<table bgcolor="#E1E1E1" border="2"><tr><td>';
                    424:     }
1.62      albertel  425:   }
1.75      albertel  426:   return $result;
1.62      albertel  427: }
                    428: 
                    429: sub end_standalone {
1.75      albertel  430:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    431:   my $result='';
                    432:   if ($target eq 'web' ) {
                    433:     if ( $ENV{'request.course.id'} ) {
                    434:     } else {
                    435:       $result='</td></tr></table>';
                    436:     }
                    437:   }
                    438:   return $result;
1.74      albertel  439: }
                    440: 
                    441: sub start_comment {
                    442:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    443:   my $result='';
                    444:   if ($target eq 'edit') {
                    445:     $result=&Apache::edit::tag_start($target,$token);
1.85      albertel  446:     my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser);
1.77      albertel  447:     $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4)
1.74      albertel  448:   } elsif ( $target eq 'modified') {
1.103     albertel  449:     $result=$token->[4].&Apache::edit::modifiedfield("/comment",$parser);
1.78      albertel  450:   } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
                    451: 	    $target eq 'answer' || $target eq 'meta' || $target eq 'analyze') {
1.74      albertel  452:     #normally throw away comments
1.85      albertel  453:     my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser);
1.74      albertel  454:   }
                    455:   return $result;
                    456: }
                    457: 
                    458: sub end_comment {
                    459:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    460:   if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
1.62      albertel  461:   return '';
                    462: }
                    463: 
1.42      sakharuk  464: 
1.47      albertel  465: sub xmlparse {
                    466:   my ($string) = @_;
1.88      albertel  467: #  &Apache::lonxml::debug("Got $string");
1.47      albertel  468:   my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
                    469:     @Apache::scripttag::parser_env;
                    470:   my @parser;
                    471:   &Apache::lonxml::newparser(\@parser,\$string);
                    472:   my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
                    473: 					     $parstack,\@parser,
                    474: 					     $safeeval,$style);
                    475:   return $result;
                    476: }
1.3       albertel  477: 
1.1       albertel  478: 1;
                    479: __END__

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