Annotation of loncom/homework/structuretags.pm, revision 1.55

1.34      albertel    1: # The LearningOnline Network with CAPA 
                      2: # definition of tags that give a structure to a document
1.33      albertel    3: # 2/19 Guy
1.44      ng          4: # 6/26/2001 fixed extra web display at end of <web></web> tags
1.54      www         5: # 8/17 Gerd Kortemeyer
                      6: 
1.1       albertel    7: package Apache::structuretags; 
                      8: 
                      9: use strict;
                     10: use Apache::lonnet;
                     11: 
                     12: sub BEGIN {
1.48      albertel   13:   &Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext'));
1.37      albertel   14: #  &Apache::lonxml::register_insert('problem','',('part','postanswerdate','preduedate'))
1.10      albertel   15: }
                     16: 
                     17: sub start_web {
1.40      albertel   18:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.10      albertel   19:   my $bodytext=&Apache::lonxml::get_all_text("/web",$$parser[$#$parser]);
1.19      albertel   20:   if ($target eq 'web') {
                     21:     return $bodytext;
                     22:   } 
                     23:   return '';
1.10      albertel   24: }
                     25: 
                     26: sub end_web {
1.44      ng         27:     return '';
1.10      albertel   28: }
                     29: 
                     30: sub start_tex {
1.40      albertel   31:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.10      albertel   32:   my $bodytext=&Apache::lonxml::get_all_text("/tex",$$parser[$#$parser]);
1.19      albertel   33:   if ($target eq 'tex') {
                     34:     return $bodytext
                     35:   }
1.10      albertel   36:   return '';
                     37: }
                     38: 
                     39: sub end_tex {
1.44      ng         40:     return '';
1.9       albertel   41: }
                     42: 
1.48      albertel   43: sub page_start {
                     44:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                     45:   my $result=&Apache::londefdef::start_html($target,$token,$tagstack,$parstack,$parser,$safeeval);
                     46:   my $head_tag_start='<head>'.&Apache::lonxml::registerurl();
                     47:   my $body_tag_start='<body onLoad="'.&Apache::lonxml::loadevents().'" '.
1.50      albertel   48: 	  'onUnload="'.&Apache::lonxml::unloadevents().'" ';
                     49:   my $background=&Apache::lonxml::get_param('background',$parstack,$safeeval);
                     50:   if ($background) {
                     51:     $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
                     52:                                         $background;
                     53:     $body_tag_start.='background="'.$background.'" ';
                     54:   } else {
                     55:     my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,$safeeval);
                     56:     if ($bgcolor) {
                     57:       $body_tag_start.='bgcolor="'.$bgcolor.'" ';
                     58:     } else {
                     59:       $body_tag_start.='bgcolor="#ffffff"';
                     60:     }
                     61:   }
                     62:   $body_tag_start.='>';
1.48      albertel   63:   return ($result,$head_tag_start,$body_tag_start);
                     64: }
                     65: 
1.9       albertel   66: sub start_problem {
1.40      albertel   67:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.19      albertel   68: 
                     69: #intialize globals
                     70:   $Apache::inputtags::part='0';
                     71:   @Apache::inputtags::responselist = ();
1.51      albertel   72:   @Apache::inputtags::previous=();
1.42      albertel   73:   $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
                     74:   &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
                     75:   if ($Apache::lonhomework::type eq '') {
1.53      albertel   76:     my $uri=$ENV{'request.uri'};
                     77:     if ($uri=~/\.(\w+)$/) {
                     78:       $Apache::lonhomework::type=$1;
                     79:       &Apache::lonxml::debug("Using type of $1");
                     80:     } else {
                     81:       $Apache::lonhomework::type='problem';
                     82:       &Apache::lonxml::debug("Using default type, problem, :$uri:");
                     83:     }
1.42      albertel   84:   }
1.19      albertel   85: #adeed vars to the scripting enviroment
                     86:   my $expression='$external::part='.$Apache::inputtags::part.';';
                     87:   &Apache::run::run($expression,$safeeval);
1.22      albertel   88:   my $status;
1.55    ! www        89:   my $accessmsg;
1.36      albertel   90: 
1.41      albertel   91:   #should get back a <html> or the neccesary stuff to start XML/MathML
1.48      albertel   92:   my ($result,$head_tag_start,$body_tag_start)=
                     93:     &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
1.36      albertel   94: 
1.34      albertel   95:   if ($target eq 'web' || $target eq 'grade') {
1.55    ! www        96:     ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
1.22      albertel   97:     push (@Apache::inputtags::status,$status);
1.24      albertel   98:     my $expression='$external::datestatus="'.$status.'";';
                     99:     $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.0.solved"}.'";';
                    100:     &Apache::run::run($expression,$safeeval);
1.54      www       101:     if (( $status eq 'CLOSED' ) ||
                    102:         ( $status eq 'UNCHECKEDOUT') ||
                    103:         ( $status eq 'BANNED')) {
1.21      albertel  104:       my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);
                    105:       if ( $target eq "web" ) {
1.41      albertel  106: 	$result.= $head_tag_start.'</head>';
1.54      www       107:         my $msg=$body_tag_start.
                    108: 	    '<h1>Not open to be viewed</h1>';
                    109:         if ($status eq 'CLOSED') {
1.55    ! www       110: 	    $msg.='The problem '.$accessmsg;
1.54      www       111: 	} elsif ($status eq 'UNCHECKEDOUT') {
                    112:             $msg.='The resource needs to be checked out';
                    113:         }
                    114: 	return $result.$msg.'<br />';
1.21      albertel  115:       }
1.41      albertel  116:     }
1.21      albertel  117:   }
1.19      albertel  118:   if ($target eq 'web') {
1.39      albertel  119:     my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
1.30      albertel  120:     if ($name eq '') { 
                    121:       $name=&Apache::lonnet::EXT('resource.title');
                    122:       if ($name eq 'con_lost') { $name = ''; }
                    123:     }
                    124:     $Apache::lonhomework::name=$name;
1.22      albertel  125:     if ($status eq 'CAN_ANSWER') {
                    126:       # create a page header and exit
1.41      albertel  127:       $result.="$head_tag_start<title>$name</title></head>\n
                    128:               $body_tag_start\n
1.36      albertel  129:               <form name=\"lonhomework\" method=\"POST\" action=\"".$ENV{'request.uri'}."\">".
                    130: 		'<input type="hidden" name="submitted" value="yes" />';
                    131:       if ($ENV{'request.state'} eq "construct") {
                    132: 	$result.='<input type="hidden" name="problemmode" value="View" />
                    133:                  <input type="submit" name="problemmode" value="Edit" /><hr />';
                    134:       }
                    135:       return $result;
1.29      albertel  136:     } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' || $status eq 'CLOSED') {
1.41      albertel  137:       return $result.$head_tag_start."<title>$name</title></head>\n$body_tag_start\n";
1.22      albertel  138:     }
                    139:   }
1.34      albertel  140:   if ($target eq 'edit') {
1.41      albertel  141:     $result.=$head_tag_start."</head>".$body_tag_start.
                    142:       '<form name="lonhomework" method="POST" action="'.$ENV{'request.uri'}.'">
                    143:        <input type="hidden" name="submitted" value="edit" />
                    144:        <input type="hidden" name="problemmode" value="Edit" />
                    145:        <input type="submit" name="problemmode" value="View" />
                    146:        <input type="submit" name="Undo" value="undo" /> <hr />
1.49      albertel  147:        <input type="submit" name="submit" value="Submit Changes" /><br />
1.41      albertel  148:       ';
1.39      albertel  149:     my $temp=&Apache::edit::insertlist($target,$token);
1.36      albertel  150:     $result.=$temp;
                    151:     return $result;
1.34      albertel  152:   }
1.37      albertel  153:   if ($target eq 'modified') {
                    154:     $result=$token->[4];
                    155:     $result.=&Apache::edit::handle_insert();
                    156:     return $result;
                    157:   }
1.19      albertel  158:   return '';
1.9       albertel  159: }
                    160: 
                    161: sub end_problem {
1.40      albertel  162:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.16      albertel  163:   my $result='';
1.24      albertel  164:   my $status=$Apache::inputtags::status['-1'];
1.40      albertel  165:   if ($target eq 'grade' || $target eq 'web' ) {
1.28      albertel  166:     if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&
                    167:        $status eq 'CAN_ANSWER') {
1.19      albertel  168:       # if part is zero, no <part>s existed, so we need to the grading
                    169:       &Apache::inputtags::grade;
                    170:     } elsif ($Apache::inputtags::part eq '0') {
                    171:       # if part is zero, no <part>s existed, so we need show the current 
                    172:       # grading status
1.20      albertel  173:       $result.= &Apache::inputtags::gradestatus($Apache::inputtags::part);
1.41      albertel  174:     }
1.22      albertel  175:     if ($target eq 'web') { 
                    176:       if ($status eq 'CAN_ANSWER') {
                    177: 	$result.="</form></body>\n"; 
1.28      albertel  178:       } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1.41      albertel  179: 	$result.="</body>\n";
                    180:       }
1.50      albertel  181:       $result.=&Apache::lonxml::xmlend();
1.22      albertel  182:     }
1.41      albertel  183:   }
1.34      albertel  184:   if ($target eq 'meta') {
1.18      albertel  185:     if ($Apache::inputtags::part eq '0') {
1.16      albertel  186:       $result=&Apache::response::mandatory_part_meta;
                    187:     }
                    188:   }
1.34      albertel  189:   if ($target eq 'edit') {
                    190:     &Apache::lonxml::debug("in end_problem with $target, edit");
1.48      albertel  191:     $result='<br /><input type="submit" name="submit" value="Submit Changes" />';
                    192:   }
                    193:   return $result;
                    194: }
                    195: 
                    196: sub start_library {
                    197:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    198:   my ($result,$head_tag_start,$body_tag_start)=
                    199:     &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
                    200:   if ($target eq 'edit') {
                    201:     $result.=$head_tag_start."</head>".$body_tag_start.
                    202:       '<form name="lonhomework" method="POST" action="'.$ENV{'request.uri'}.'">
                    203:        <input type="hidden" name="submitted" value="edit" />
                    204:        <input type="hidden" name="problemmode" value="Edit" />
                    205:        <input type="submit" name="problemmode" value="View" />
                    206:        <input type="submit" name="Undo" value="undo" /> <hr />
                    207:       ';
                    208:     my $temp=&Apache::edit::insertlist($target,$token);
                    209:     $result.=$temp;
                    210:     return $result;
                    211:   }
                    212:   if ($target eq 'modified') {
                    213:     $result=$token->[4];
                    214:     $result.=&Apache::edit::handle_insert();
                    215:     return $result;
                    216:   }
                    217:   return '';
                    218: }
                    219: 
                    220: sub end_library {
                    221:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    222:   my $result='';
                    223:   if ($target eq 'edit') {
1.34      albertel  224:     $result='<br /><input type="submit" name="submit" value="Submit Changes" />';
                    225:   }
1.16      albertel  226:   return $result;
1.1       albertel  227: }
                    228: 
                    229: sub start_block {
1.40      albertel  230:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.1       albertel  231: 
1.38      albertel  232:   if ($target eq 'web' || $target eq 'grade') {
                    233:     my $code = @$parstack[$#$parstack];
                    234:     $code =~ s/\"//g;
                    235:     $code .=';return $condition;';
                    236:     #  print "<br />$code<br />";
                    237:     my $result = &Apache::run::run($code,$safeeval);
                    238:     &Apache::lonxml::debug("block :$code: returned :$result:");
                    239:     if ( ! $result ) { 
                    240:       my $skip=&Apache::lonxml::get_all_text("/block",$$parser[$#$parser]);
                    241:       &Apache::lonxml::debug("skipping ahead :$skip: $$parser[$#$parser]");
                    242:     }
1.1       albertel  243:   }
                    244:   return "";
                    245: }
                    246: 
                    247: sub end_block {
1.38      albertel  248:   return '';
1.4       tsai      249: }
                    250: 
                    251: sub start_while {
1.40      albertel  252:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.4       tsai      253: 
                    254:   my $code = @$parstack[$#$parstack];
                    255:   $code =~ s/\"//g;
                    256:   $code .=';return $condition;';
                    257: 
1.5       tsai      258:   push( @Apache::structuretags::whileconds, $code); 
1.4       tsai      259:   my $result = &Apache::run::run($code,$safeeval);
                    260:   my $bodytext=$$parser[$#$parser]->get_text("/while");
1.5       tsai      261:   push( @Apache::structuretags::whilebody, $bodytext);
                    262:   if ( $result ) { 
1.8       albertel  263:     &Apache::lonxml::newparser($parser,\$bodytext);
1.4       tsai      264:   }
                    265:   return "";
                    266: }
                    267: 
                    268: sub end_while {
1.40      albertel  269:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.5       tsai      270:   my $code = pop @Apache::structuretags::whileconds;
                    271:   my $bodytext = pop @Apache::structuretags::whilebody;
                    272:   my $result = &Apache::run::run($code,$safeeval);
                    273:   if ( $result ) { 
1.8       albertel  274:     &Apache::lonxml::newparser($parser,\$bodytext);
1.5       tsai      275:   } 
                    276:   return "";
1.1       albertel  277: }
1.6       tsai      278: 
                    279: # <randomlist> 
                    280: #  <tag1>..</tag1>
                    281: #  <tag2>..</tag2>
                    282: #  <tag3>..</tag3>
                    283: #  ... 
                    284: # </randomlist>
                    285: sub start_randomlist {
1.40      albertel  286:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.9       albertel  287:   my $body= &Apache::lonxml::get_all_text("/randomlist",$$parser[$#$parser]);
1.6       tsai      288:   my $b_parser= HTML::TokeParser->new(\$body);
                    289:   my $b_tok;
                    290:   my @randomlist;
                    291:   my $list_item;
                    292: 
                    293:   while($b_tok = $b_parser->get_token() ) {
                    294:     if($b_tok->[0] eq 'S') { # start tag
                    295:     # get content of the tag until matching end tag
                    296:     # get all text upto the matching tag
                    297:     # and push the content into @randomlist
1.9       albertel  298:       $list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],$b_parser);
1.7       tsai      299:       $list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>";
1.6       tsai      300:       push(@randomlist,$list_item);
1.32      albertel  301:    #  print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4], $list_item</b>";
1.6       tsai      302:     }
                    303:     if($b_tok->[0] eq 'T') { # text
                    304:     # what to do with text in between tags?
1.32      albertel  305:       #  print "<b>TEXT $b_tok->[1]</b><br />";
1.6       tsai      306:     }
                    307:     # if($b_tok->[0] eq 'E') { # end tag, should not happen
1.32      albertel  308:       #  print "<b>END-TAG $b_tok->[1]</b><br />";
1.6       tsai      309:     # }
                    310:   }
1.7       tsai      311:   my @idx_arr = (0 .. $#randomlist);
                    312:   &Apache::structuretags::shuffle(\@idx_arr);
                    313:   my $bodytext = '';
                    314:   for(0 .. $#randomlist) {
                    315:     $bodytext .= "$randomlist[ $idx_arr[$_] ]";
                    316:   }
1.8       albertel  317: 
                    318:   &Apache::lonxml::newparser($parser,\$bodytext);
1.6       tsai      319:   return "";
1.7       tsai      320: }
                    321: 
                    322: sub shuffle {
                    323:     my $a=shift;
                    324:     my $i;
1.52      albertel  325:     &Apache::response::setrandomnumber();
1.7       tsai      326:     for($i=@$a;--$i;) {
                    327:       my $j=int rand($i+1);
                    328:       next if $i == $j;
                    329:       @$a[$i,$j] = @$a[$j,$i];
                    330:     }
1.6       tsai      331: }
                    332: 
                    333: sub end_randomlist {
1.46      albertel  334:   return '';
1.6       tsai      335: }
                    336: 
1.11      albertel  337: sub start_part {
1.40      albertel  338:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.39      albertel  339:   my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1.47      albertel  340:   if ($id eq '') { $id = $Apache::lonxml::curdepth; }
1.14      albertel  341:   $Apache::inputtags::part=$id;
1.18      albertel  342:   @Apache::inputtags::responselist = ();
1.51      albertel  343:   @Apache::inputtags::previous=();
1.15      www       344:   if ($target eq 'meta') {
1.16      albertel  345:     return &Apache::response::mandatory_part_meta;
1.37      albertel  346:   } elsif ($target eq 'web' || $target eq 'grade') {
1.55    ! www       347:     my ($status,$accessmsg) = &Apache::lonhomework::check_access($id);
1.23      albertel  348:     push (@Apache::inputtags::status,$status);
                    349:     my $expression='$external::datestatus="'.$status.'";';
                    350:     $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
                    351:     &Apache::run::run($expression,$safeeval);
                    352:     if ( $status eq 'CLOSED' ) {
1.21      albertel  353:       my $bodytext=&Apache::lonxml::get_all_text("/part",$$parser[$#$parser]);
                    354:       if ( $target eq "web" ) {
1.55    ! www       355: 	return "<br />Part is not open to be viewed. It $accessmsg<br />";
1.21      albertel  356:       }
                    357:     }
1.15      www       358:   }
1.19      albertel  359:   return '';
1.11      albertel  360: }
                    361: 
                    362: sub end_part {
1.40      albertel  363:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.18      albertel  364:   &Apache::lonxml::debug("in end_part $target ");
1.28      albertel  365:   my $status=$Apache::inputtags::status['-1'];
1.23      albertel  366:   pop @Apache::inputtags::status;
1.19      albertel  367:   if ( $target eq 'meta' ) { return ''; }
1.37      albertel  368:   if ( $target eq 'grade' && $status eq 'CAN_ANSWER') {
                    369:     return &Apache::inputtags::grade;
1.28      albertel  370:   }
1.37      albertel  371:   if ($target eq 'web') {
                    372:     return &Apache::inputtags::gradestatus($Apache::inputtags::part);
                    373:   }
                    374:   return '';
1.11      albertel  375: }
1.1       albertel  376: 
1.25      albertel  377: sub start_preduedate {
1.40      albertel  378:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34      albertel  379:   if ($target eq 'web' || $target eq 'grade') {
1.29      albertel  380:     if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
                    381: 	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' ) {
1.26      albertel  382:       &Apache::lonxml::get_all_text("/preduedate",$$parser[$#$parser]);
1.24      albertel  383:     }
                    384:   }
                    385:   return '';
                    386: }
                    387: 
1.25      albertel  388: sub end_preduedate {
1.24      albertel  389:   return '';
                    390: }
                    391: 
1.25      albertel  392: sub start_postanswerdate {
1.40      albertel  393:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34      albertel  394:   if ($target eq 'web' || $target eq 'grade') {
1.24      albertel  395:     if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
1.26      albertel  396:       &Apache::lonxml::get_all_text("/postanswerdate",$$parser[$#$parser]);
1.24      albertel  397:     }
                    398:   }
                    399:   return '';
                    400: }
                    401: 
1.25      albertel  402: sub end_postanswerdate {
1.24      albertel  403:   return '';
                    404: }
                    405: 
1.25      albertel  406: sub start_notsolved {
1.40      albertel  407:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34      albertel  408:   if ($target eq 'web' || $target eq 'grade') {
1.24      albertel  409:     my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
                    410:     &Apache::lonxml::debug("not solved has :$gradestatus:");
                    411:     if ($gradestatus =~ /^correct/) {
                    412:       &Apache::lonxml::debug("skipping");
1.26      albertel  413:       &Apache::lonxml::get_all_text("/notsolved",$$parser[$#$parser]);
1.24      albertel  414:     }
                    415:   }
                    416:   return '';
                    417: }
                    418: 
1.25      albertel  419: sub end_notsolved {
1.24      albertel  420:   return '';
                    421: }
                    422: 
                    423: sub start_solved {
1.40      albertel  424:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34      albertel  425:   if ($target eq 'web' || $target eq 'grade') {
1.24      albertel  426:     my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
                    427:     if ($gradestatus !~ /^correct/) {
                    428:       &Apache::lonxml::get_all_text("/solved",$$parser[$#$parser]);
                    429:     }
                    430:   }
                    431:   return '';
                    432: }
                    433: 
                    434: sub end_solved {
                    435:   return '';
                    436: }
1.34      albertel  437: 
                    438: sub start_startouttext {
1.40      albertel  439:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.35      albertel  440:   my @result=(''.'');
                    441:   if ($target eq 'edit' || $target eq 'modified' ) { @result=('','no'); }
                    442:   return (@result);
1.34      albertel  443: }
                    444: sub end_startouttext {
1.40      albertel  445:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34      albertel  446:   my $result='';
1.35      albertel  447:   my $text='';
                    448: 
1.34      albertel  449:   if ($target eq 'edit') {
1.35      albertel  450:     $text=&Apache::lonxml::get_all_text("endouttext",$$parser[$#$parser]);
1.43      albertel  451:     $result.=&Apache::edit::start_table($token)."<tr><td>Text Block</td>
1.42      albertel  452: <td>Delete:".
                    453:   &Apache::edit::deletelist($target,$token)
                    454:   ."</td>
                    455: <td>".
                    456:   &Apache::edit::insertlist($target,$token).
                    457:     "</td>
                    458: </tr><tr><td colspan=\"3\">\n".
1.45      albertel  459: 	&Apache::edit::editfield($token->[1],$text,"",50,4);
1.35      albertel  460:   }
                    461:   if ($target eq 'modified') {
                    462:     $text=&Apache::lonxml::get_all_text("endouttext",$$parser['-1']);
                    463:     $result='<startouttext />'.&Apache::edit::modifiedfield();
1.34      albertel  464:   }
                    465:   return $result;
                    466: }
                    467: sub start_endouttext {
1.40      albertel  468:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.34      albertel  469:   my $result='';
1.43      albertel  470:   if ($target eq "edit" ) { $result="</td></tr>".&Apache::edit::end_table()."\n"; }
1.35      albertel  471:   if ($target eq "modified") { $result='<endouttext />'; }
1.34      albertel  472:   return $result;
                    473: }
                    474: sub end_endouttext {
1.40      albertel  475:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.35      albertel  476:   my @result=('','');
                    477:   if ($target eq "edit" || $target eq 'modified') { @result=('','no'); }
                    478:   return (@result);
1.34      albertel  479: }
1.45      albertel  480: sub delete_startouttext {
                    481:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
                    482: #  my $text=&Apache::lonxml::get_all_text("endouttext",$$parser['-1']);
                    483:   my $text=$$parser['-1']->get_text("/endouttext");
                    484:   my $token=$$parser['-1']->get_token();
                    485:   &Apache::lonxml::debug("Deleting :$text: and :$token->[0]:$token->[1]:$token->[2]: for startouttext");
                    486:   &Apache::lonxml::end_tag($tagstack,$parstack,$token);
                    487:   # Deleting 2 parallel tag pairs, but we need the numbers later to look like 
                    488:   # they did the last time round
                    489:   &Apache::lonxml::increasedepth($token);
                    490:   &Apache::lonxml::decreasedepth($token);
                    491:   return 1;
                    492: }
1.34      albertel  493: 
1.1       albertel  494: 1;
                    495: __END__

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