Annotation of loncom/xml/scripttag.pm, revision 1.68

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # <script> definiton
1.58      www         3: #
1.68    ! albertel    4: # $Id: scripttag.pm,v 1.67 2002/03/22 20:05:19 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',
1.63      albertel   46: 			     'standalone'));
1.1       albertel   47: }
                     48: 
                     49: sub start_script {
1.40      albertel   50:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.47      albertel   51:   @Apache::scripttag::parser_env = @_;
1.24      albertel   52:   my $result='';
1.39      albertel   53:   my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
                     54:   &Apache::lonxml::debug("found type of $type");
1.17      albertel   55:   if ($type eq "loncapa/perl") {
1.21      albertel   56:     my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
1.17      albertel   57:     if ( $target eq "modified" ) {
1.41      albertel   58:       $result=$token->[4].&Apache::edit::modifiedfield();
1.54      albertel   59:     } elsif ( $target eq 'web' || $target eq 'tex' ||
                     60: 	      $target eq 'grade' || $target eq 'answer') {
1.28      albertel   61:       &Apache::run::run($bodytext,$safeeval);
1.60      albertel   62:       if (($target eq 'answer') && ($Apache::lonhomework::viewgrades == 'F')) {
1.53      albertel   63: 	$Apache::lonxml::evaluate--;
                     64: 	$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;><pre>";
                     65: 	my $listing= &Apache::run::dump($target,$safeeval);
                     66: 	$listing =~ s/\n/\\n/g;
1.60      albertel   67: 	$listing =~ s/\"/&quot;/g;
                     68: 	$listing =~ s/\'/&rsquo;/g;
                     69: 	$listing =~ s/</&lt;/g;
                     70: 	$listing =~ s/>/&gt;/g;
                     71: 	$listing =~ s/&/&amp;/g;
1.53      albertel   72: 	$result.=$listing;
1.55      albertel   73: 	$result.= "</pre></body></html>\');newWindow.document.close();void(0);\">Script Vars</a><br />";
1.53      albertel   74:       }
1.28      albertel   75:     } elsif ($target eq "edit" ) {
1.41      albertel   76:       #&Apache::run::run($bodytext,$safeeval);
                     77:       #$result="<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
                     78:       $result=&Apache::edit::tag_start($target,$token,'Script');
                     79:       $result.=&Apache::edit::editfield($token->[1],$bodytext,'',50,4);
1.17      albertel   80:     }
                     81:   } else {
1.66      albertel   82:     if ($target ne "meta") {
                     83:       $result = $token->[4];
                     84:       my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
                     85:       $result.=$bodytext;
                     86:     }
1.13      albertel   87:   }
1.24      albertel   88:   return $result;
1.17      albertel   89: }
1.13      albertel   90: 
1.17      albertel   91: sub end_script {
1.40      albertel   92:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.28      albertel   93:   if ( $target eq "meta" ) { return ''; } 
1.39      albertel   94:   my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.29      albertel   95:   my $result='';
                     96:   #other script blocks need to survive
1.53      albertel   97:   if ($type ne "loncapa/perl") {
                     98:     return $token->[2];
                     99:   } elsif ($target eq 'edit' ) {
                    100:     return &Apache::edit::end_table();
1.55      albertel  101:   } elsif (($ENV{'request.state'} eq 'construct') && ($target eq 'answer')) {
1.53      albertel  102:     $Apache::lonxml::evaluate++;
                    103:   }
1.28      albertel  104:   return '';
1.24      albertel  105: }
                    106: 
                    107: sub start_display {
1.40      albertel  108:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.39      albertel  109: 
1.48      albertel  110:   my $result;
1.24      albertel  111:   my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
1.39      albertel  112: 
1.24      albertel  113:   if ( $target eq "modified" ) {
1.48      albertel  114:     $result=$token->[4].&Apache::edit::modifiedfield();
1.54      albertel  115:   } elsif ( $target eq 'web' || $target eq 'tex' ||
                    116: 	    $target eq 'grade' || $target eq 'answer') {
1.48      albertel  117:     $result=&Apache::run::run($bodytext,$safeeval);
1.55      albertel  118:     if ($target eq 'grade' || $target eq 'answer' ) {
1.48      albertel  119:       $result=''; # grade should produce no output
                    120:     }
                    121:   } elsif ($target eq "edit" ) {
                    122:     #$result = 
                    123:     #  "<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
                    124:     #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
                    125:     $result=&Apache::edit::tag_start($target,$token,'Script With Display');
                    126:     $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1)
1.24      albertel  127:   }
                    128:   return $result;
                    129: }
                    130: 
                    131: sub end_display {
1.48      albertel  132:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    133:   if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
                    134:   return '';
1.1       albertel  135: }
1.3       albertel  136: 
                    137: sub start_scriptlib {
1.40      albertel  138:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37      albertel  139:   my $bodytext;
                    140:   my $result ='';
                    141:   my $error='';
                    142: 
1.51      albertel  143:   if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
1.37      albertel  144:     $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
                    145:     $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
                    146: 				     $$parstack[$#$parstack]);
                    147:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
                    148: 					       $bodytext);
                    149:     my $script=&Apache::lonnet::getfile($location);
                    150:     if ($script == -1) {
                    151:       if ($target eq 'edit') {
                    152:         $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
                    153:       } else {
                    154: 	&Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
                    155: 	return "";
                    156:       }
                    157:     }
                    158:     &Apache::run::run($script,$safeeval);
                    159:     #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
1.18      albertel  160:   }
1.13      albertel  161:   if ($target eq "edit" ) {
1.37      albertel  162:     $result=
1.49      albertel  163:       &Apache::edit::tag_start($target,$token,'New Script Functions').
1.68    ! albertel  164: 	&Apache::edit::editline($token->[1],$bodytext,'',40).
1.49      albertel  165: 	  $error.'</td></tr>'.
                    166: 	    &Apache::edit::end_table();
1.37      albertel  167:   }
                    168:   if ($target eq "modified" ) {
                    169:     $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
1.65      matthew   170:     $result=$token->[4].&Apache::edit::modifiedfield($token);
1.37      albertel  171:     &Apache::lonxml::debug($result);
1.3       albertel  172:   }
                    173:   return $result;
                    174: }
                    175: 
1.37      albertel  176: sub end_scriptlib {
1.40      albertel  177:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49      albertel  178:   my @result;
                    179:   if ($target eq "edit" ) { $result[1]='no'; }
                    180:   return @result;
1.37      albertel  181: }
1.4       albertel  182: 
                    183: sub start_parserlib {
1.40      albertel  184:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37      albertel  185:   my $bodytext;
1.7       albertel  186:   my $result ="";
1.37      albertel  187:   my $error='';
1.51      albertel  188:   if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
1.37      albertel  189:     $bodytext=$$parser[$#$parser]->get_text("/parserlib");
                    190:     $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
                    191: 				     $$parstack[$#$parstack]);
                    192:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
                    193: 					       $bodytext);
                    194:     my $styletext=&Apache::lonnet::getfile($location);
                    195:     #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
                    196:     if ($styletext == -1) {
                    197:       if ($target eq 'edit') {
                    198: 	$error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
                    199:       } else {
                    200: 	&Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
                    201: 	return "";
                    202:       }
                    203:     }
                    204:     %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
1.18      albertel  205:   }
1.13      albertel  206:   if ($target eq "edit" ) {
1.37      albertel  207:     $result=
1.49      albertel  208:       &Apache::edit::tag_start($target,$token,'New Tag Definitions').
1.68    ! albertel  209: 	&Apache::edit::editline($token->[1],$bodytext,'',40).
1.49      albertel  210: 	  $error.'</td></tr>'.
                    211: 	    &Apache::edit::end_table();
1.37      albertel  212:   }
                    213:   if ($target eq "modified" ) {
                    214:     $bodytext=$$parser[$#$parser]->get_text("/parserlib");
1.65      matthew   215:     $result=$token->[4].&Apache::edit::modifiedfield($token);
1.37      albertel  216:     &Apache::lonxml::debug($result);
1.7       albertel  217:   }
                    218:   return $result;
1.4       albertel  219: }
                    220: 
                    221: sub end_parserlib {
1.40      albertel  222:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49      albertel  223:   my @result;
                    224:   if ($target eq "edit" ) { $result[1]='no'; }
                    225:   return @result;
1.6       albertel  226: }
                    227: 
1.30      sakharuk  228: sub start_window {
1.40      albertel  229:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.20      sakharuk  230:   my $result = '';
1.31      albertel  231:   if ($target eq 'web') {
1.34      albertel  232:     &Apache::lonxml::startredirection;
1.35      sakharuk  233:   }  elsif ($target eq 'tex') {
1.42      sakharuk  234:        $result = '\unskip\footnote{';
1.35      sakharuk  235:    }
1.19      sakharuk  236:   return $result;  
                    237: }
                    238: 
1.30      sakharuk  239: sub end_window {
1.40      albertel  240:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.30      sakharuk  241:   my $result;
1.31      albertel  242:   if ($target eq 'web') {
1.34      albertel  243:     my $output=&Apache::lonxml::endredirection;
                    244:     $output =~ s/\"/\&quot\;/g;
1.35      sakharuk  245:     $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>";
                    246:   } elsif ($target eq 'tex') {
                    247:       $result = '}';
1.30      sakharuk  248:   } else {
1.35      sakharuk  249:       $result = '';
1.30      sakharuk  250:   }
1.20      sakharuk  251:   return $result; 
1.19      sakharuk  252: }
                    253: 
1.6       albertel  254: sub start_import {
1.40      albertel  255:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.31      albertel  256:   my $bodytext=$$parser[$#$parser]->get_text("/import");
1.7       albertel  257:   my $result ="";
1.13      albertel  258: 
                    259:   $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
1.14      albertel  260: 
1.51      albertel  261:   if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
1.46      albertel  262:     # FIXME this probably needs to be smart about construction vs.
                    263:     # non construction space.
                    264:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
                    265:     my $file=&Apache::lonnet::getfile($location);
                    266:     if ($file == -1) {
                    267:       &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
                    268:       return "";
                    269:     }
1.13      albertel  270: 
1.46      albertel  271:     my $dir=$location;
                    272:     $dir=~s:/[^/]*$::;
                    273:     #  &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
1.57      albertel  274:     my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
                    275:     if (!$id) { $id=$Apache::lonxml::curdepth; }
                    276:     push(@Apache::inputtags::import,$id);
1.46      albertel  277:     &Apache::lonxml::newparser($parser,\$file,$dir);
1.56      albertel  278:   } elsif ($target eq "edit" ) {
1.46      albertel  279:     $result.=&Apache::edit::tag_start($target,$token);
1.68    ! albertel  280:     $result.=&Apache::edit::editline($token->[1],$bodytext,'',40);
1.46      albertel  281:     #FIXME this need to convert $bodytext to be a contruction space reference
                    282:     #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
                    283:     #$result.="Click<a href=\"$location\">here</a> to edit<br />"
1.56      albertel  284:   } elsif ($target eq 'modified') {
1.46      albertel  285:     $bodytext=$$parser[$#$parser]->get_text("/import");
1.65      matthew   286:     $result=$token->[4].&Apache::edit::modifiedfield($token);
1.46      albertel  287:     &Apache::lonxml::debug($result);
1.56      albertel  288:   } elsif ($target eq 'meta') {
1.57      albertel  289:     my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
                    290:     $result.='<import part="'.$Apache::inputtags::part;
                    291:     if ($id) {
                    292:       $result.='" id="'.$id;
                    293:     }
                    294:     $result.='">';
1.56      albertel  295:     $result.=$bodytext;
                    296:     $result.='</import>';
1.46      albertel  297:   }
                    298:   return $result;
1.6       albertel  299: }
                    300: 
                    301: sub end_import {
1.57      albertel  302:   pop(@Apache::inputtags::import);
1.45      sakharuk  303:   return '';
1.1       albertel  304: }
1.42      sakharuk  305: 
                    306: sub start_storetc {
1.43      albertel  307:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42      sakharuk  308:   my $result = '';
                    309:   &Apache::lonxml::startredirection;
                    310:   return $result; 
                    311: }
                    312: 
                    313: sub end_storetc {
1.43      albertel  314:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42      sakharuk  315:     my $result;
                    316:     my $output=&Apache::lonxml::endredirection;
                    317:     $output =~ s/\"/\&quot\;/g;
1.52      albertel  318:     $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
                    319:     return $result;
1.42      sakharuk  320: }
                    321: 
                    322: 
                    323: sub start_physnet {
1.45      sakharuk  324:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.50      www       325:     my $bodytext = '/adm/includes/physnet.sty';
1.45      sakharuk  326:     my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
                    327:     my $cbistyletext=&Apache::lonnet::getfile($location);
1.42      sakharuk  328: 
1.45      sakharuk  329:     %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
1.59      albertel  330:     $$parser['-1']->unget_token($token);
                    331: #    if ( defined($$style{'physnet'}) ) {
                    332: #        &Apache::lonxml::newparser($parser,\$$style{'physnet'});
                    333: #    }
1.45      sakharuk  334:     return "";
                    335: }
1.42      sakharuk  336: 
1.45      sakharuk  337: sub end_physnet {
1.47      albertel  338:   return '';
1.42      sakharuk  339: }
1.62      albertel  340: 
                    341: sub start_standalone {
                    342:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.64      albertel  343:   if ($target eq 'web'  && $ENV{'request.course.id'} ) {
1.62      albertel  344:     my $inside = &Apache::lonxml::get_all_text("/standalone",$$parser[-1]);
                    345:   }
                    346:   return '';
                    347: }
                    348: 
                    349: sub end_standalone {
                    350:   return '';
                    351: }
                    352: 
1.42      sakharuk  353: 
1.47      albertel  354: sub xmlparse {
                    355:   my ($string) = @_;
                    356:   &Apache::lonxml::debug("Got $string");
                    357:   my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
                    358:     @Apache::scripttag::parser_env;
                    359:   my @parser;
                    360:   &Apache::lonxml::newparser(\@parser,\$string);
                    361:   my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
                    362: 					     $parstack,\@parser,
                    363: 					     $safeeval,$style);
                    364:   return $result;
                    365: }
1.3       albertel  366: 
1.1       albertel  367: 1;
                    368: __END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>