Annotation of loncom/homework/randomlabel.pm, revision 1.34

1.1       tsai        1: # The LearningOnline Network with CAPA
                      2: # random labelling tool
1.8       albertel    3: #
1.34    ! sakharuk    4: # $Id: randomlabel.pm,v 1.33 2002/08/02 18:20:48 sakharuk Exp $
1.8       albertel    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: #
1.3       tsai       28: # 7/20/2001 Isaac Tsai, initial syntax
                     29: # 8/10/2001 Isaac Tsai, 
                     30: # 8/30/2001 Isaac Tsai, 
1.1       tsai       31: # SYNTAX:
1.4       albertel   32: # <randomlabel bgimg="URL" width="12" height="45" texwidth="50">
                     33: #    <labelgroup name="GroupOne" type="image">
                     34: #      <location x="123" y="456" />
                     35: #      <location x="321" y="654" />
                     36: #      <location x="213" y="546" />
                     37: #      <label description="TEXT-1">IMG-URL</label>
                     38: #      <label description="TEXT-2">IMG-URL</label>
                     39: #      <label description="TEXT-3">IMG-URL</label>
1.1       tsai       40: #    </labelgroup>
1.4       albertel   41: #    <labelgroup name="GroupTwo" type="text">
                     42: #      <location x="12" y="45" />
                     43: #      <location x="32" y="65" />
                     44: #      <location x="21" y="54" />
1.3       tsai       45: #      <label>TEXT-1</label>
                     46: #      <label>TEXT-2</label>
                     47: #      <label>TEXT-3</label>
1.1       tsai       48: #    </labelgroup>
                     49: #   </randomlabel>
                     50: #  ===========================================
1.3       tsai       51: #  side effect:
                     52: #    location (123,456): $GroupOne[0] = 2  # images give out indexes
                     53: #             (321,654): $GroupOne[1] = 1
                     54: #             (213,546): $GroupOne[2] = 0
                     55: #    location (12,45)  : $GroupTwo[0] = "TEXT-3"
                     56: #             (32,65)  : $GroupTwo[1] = "TEXT-1"
                     57: #             (21,54)  : $GroupTwo[2] = "TEXT-2"
1.1       tsai       58: #  ===========================================
                     59: package Apache::randomlabel;
1.24      sakharuk   60: use Apache::lonnet;
1.1       tsai       61: use strict;
1.13      sakharuk   62: use Apache::edit;
1.1       tsai       63: 
1.13      sakharuk   64: BEGIN {
1.1       tsai       65:   &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label'));
                     66: }
                     67: 
1.23      matthew    68: sub check_int {
                     69:     # utility function to do error checking on a integer.
                     70:     my ($num,$default) = @_;
                     71:     $default = 100 if (! defined($default));
                     72:     $num =~ s/\s+//g;  # We dont need no stinkin white space!
                     73:     # If it is a real, just grab the integer part.
                     74:     ($num,undef) = split (/\./,$num) if ($num =~ /\./); 
                     75:     # set to default if what we have left doesn't match anything...
                     76:     $num = $default unless ($num =~/^\d+$/);
                     77:     return $num;
                     78: }
                     79: 
1.1       tsai       80: sub start_randomlabel {
                     81:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     82:   my $result='';
1.23      matthew    83:   push (@Apache::lonxml::extlinks, '/res/adm/includes/GLabel.class');
1.20      albertel   84:   push (@Apache::lonxml::namespace,'randomlabel');
1.1       tsai       85:   my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);
1.6       albertel   86:   if ( $bgimg !~ /^http:/ ) {
1.23      matthew    87:     push (@Apache::lonxml::extlinks,$bgimg);
1.6       albertel   88:     $bgimg=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$bgimg);
1.7       albertel   89:     if ($bgimg =~ /$Apache::lonnet::perlvar{'lonDocRoot'}/) {
                     90:       $bgimg=~s/$Apache::lonnet::perlvar{'lonDocRoot'}//;
                     91:     } elsif ($bgimg =~ m:^/home/.*/public_html:) {
                     92:       $bgimg =~ s:^/home/(.*)/public_html:/~$1:;
                     93:     }
1.31      sakharuk   94:     $bgimg='http://'.$ENV{'SERVER_NAME'}.$bgimg;
1.6       albertel   95:   }
1.1       tsai       96:   my $code = &Apache::lonxml::get_param('code',$parstack,$safeeval);
                     97:   my $codebase = &Apache::lonxml::get_param('codebase',$parstack,$safeeval);
1.23      matthew    98:   my $w= &check_int(&Apache::lonxml::get_param('width',$parstack,$safeeval));
                     99:   my $h= &check_int(&Apache::lonxml::get_param('height',$parstack,$safeeval));
1.4       albertel  100:   my $texwidth= &Apache::lonxml::get_param('texwidth',$parstack,$safeeval);
                    101:   if (!$code) { $code='GLabel.class'; }
                    102:   if (!$codebase) { $codebase='/res/adm/includes/'; }
1.3       tsai      103:   $Apache::randomlabel::tlabel_cnt=0;
                    104:   $Apache::randomlabel::ilabel_cnt=0;
                    105:   if ($target eq 'web') {
1.26      albertel  106:     $result.="<applet code=\"$code\" codebase=\"$codebase\" width=\"$w\" height=\"$h\">\n";
                    107:     $result.="<param name=\"bgimg\" value=\"$bgimg\">\n";
1.4       albertel  108:   } elsif ($target eq 'tex') {
1.12      sakharuk  109:     $bgimg=~s/(.gif|.jpg)$/.eps/;
1.24      sakharuk  110:     $bgimg= &Apache::lonnet::filelocation($bgimg);
1.31      sakharuk  111:     if (not $ENV{'request.role'}=~/^au\./) {
                    112: 	$bgimg=~s/http:\/[^\/]*/\/home\/httpd\/html/;
                    113:     } else {
                    114: 	$bgimg=~s/http:\/[^\/]*\/~([^\/]+)/\/home\/$1\/public_html/;
                    115: 
                    116:     }
1.24      sakharuk  117:     $bgimg=~s/\/$//;
1.34    ! sakharuk  118:     my $dirtywidth=$texwidth+5;
1.31      sakharuk  119:     if ($texwidth==90) {
1.34    ! sakharuk  120: 	$result.='\vspace*{2mm}\noindent \parbox{'.$dirtywidth.' mm}{  \noindent \epsfxsize='.$texwidth.' mm \epsffile{'.
        !           121: 	    $bgimg.'}\setlength{\unitlength}{1mm}  \begin{picture}('.$texwidth.','.$texwidth*$h/$w.')(0,-'.$texwidth*$h/$w.')';
1.31      sakharuk  122:     } else {
1.34    ! sakharuk  123: 	$result.='\vspace*{2mm}\noindent \parbox{'.$dirtywidth.' mm}{  \noindent \epsfxsize='.$texwidth.' mm \epsffile{'.
        !           124: 	    $bgimg.'}\setlength{\unitlength}{1mm}  \begin{picture}('.$texwidth.','.$texwidth*$h/$w.')(0,-'.$texwidth*$h/$w.')';
1.31      sakharuk  125:     }
1.3       tsai      126:   } elsif ($target eq 'edit') {
1.4       albertel  127:     $result.=&Apache::edit::tag_start($target,$token);
1.18      matthew   128:     $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75).' ';
                    129:     $result.=&Apache::edit::browse('bgimg').' ';
                    130:     $result.=&Apache::edit::search('bgimg').'<br />'.
1.15      matthew   131:         &Apache::edit::text_arg('Width(pixel):' ,'width'   ,$token,6).
                    132:         &Apache::edit::text_arg('Height(pixel):','height'  ,$token,6).
                    133:         &Apache::edit::text_arg('TeXWidth(mm):' ,'texwidth',$token,6).
                    134:         &Apache::edit::end_row().&Apache::edit::start_spanning_row();     
1.3       tsai      135:   } elsif ($target eq 'modified') {
1.4       albertel  136:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    137: 						 'bgimg','width','height',
                    138: 						 'texwidth');
                    139:     if ($constructtag) {
                    140:       $result = &Apache::edit::rebuild_tag($token);
                    141:       $result.=&Apache::edit::handle_insert();
                    142:     }
1.1       tsai      143:   }
                    144:   return $result;
                    145: }
                    146: 
                    147: sub end_randomlabel {
1.3       tsai      148:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    149:   my $result='';
                    150:   my $count;
1.21      albertel  151:   pop @Apache::lonxml::namespace;
1.3       tsai      152:   if ($target eq 'web') {
1.4       albertel  153:     $count = $Apache::randomlabel::tlabel_cnt;
1.26      albertel  154:     if( $count != 0) { $result.= "<param name=\"COUNT\" value=\"$count\">\n"; }
1.4       albertel  155:     $count = $Apache::randomlabel::ilabel_cnt;
1.26      albertel  156:     if( $count != 0) { $result.= "<param name=\"ICOUNT\" value=\"$count\">\n"; }
                    157:     $result .= "</applet>\n<BR />";
1.4       albertel  158:   } elsif ($target eq 'tex') {
1.33      sakharuk  159:       $result='\end{picture}\\\\}';
1.31      sakharuk  160: 	  @$parstack[-1]=~/\$height\s*=\s*?"(.+)?"/;
1.34    ! sakharuk  161:       my $one=$1;
        !           162: 	  @$parstack[-1]=~/\$width\s*=\s*?"(.+)?"/;
        !           163:       my $two=$1;
        !           164: 	  @$parstack[-1]=~/\$texwidth\s*=\s*?"(.+)?"/;
        !           165:       my $three=$1;
        !           166:       my $howtoskipback = $three*$one/$two;
        !           167:       $result.=' \vskip -'.$howtoskipback.' mm ';
1.4       albertel  168:   } elsif ($target eq 'edit') {
                    169:     $result.=&Apache::edit::end_table;
1.3       tsai      170:   }
                    171:   return $result;
1.1       tsai      172: }
                    173: 
                    174: sub start_labelgroup {
                    175:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    176:   my $result='';
                    177:   my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    178:   my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.2       tsai      179:   $type =~tr/A-Z/a-z/;
1.5       albertel  180:   if ($target eq 'web' || $target eq 'tex' || 
                    181:       $target eq 'grade' || $target eq 'answer') {
1.4       albertel  182:     $Apache::randomlabel::groupname=$name;
                    183:     $Apache::randomlabel::type=$type;
                    184:     @Apache::randomlabel::xcoord = ();
                    185:     @Apache::randomlabel::ycoord = ();
1.5       albertel  186:     @Apache::randomlabel::value = ();
1.4       albertel  187:     @Apache::randomlabel::label_arr  = ();
1.26      albertel  188:     @Apache::randomlabel::decription  = ();
1.4       albertel  189:   } elsif ($target eq 'edit') {
                    190:     $result.=&Apache::edit::tag_start($target,$token);
                    191:     $result.=&Apache::edit::text_arg('Name:','name',$token).
                    192:       &Apache::edit::select_arg('Type:','type',['text','image'],$token).
1.13      sakharuk  193: 	  &Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.4       albertel  194:   } elsif ($target eq 'modified') {
                    195:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    196: 						 'name','type');
                    197:     if ($constructtag) {
                    198:       $result = &Apache::edit::rebuild_tag($token);
                    199:       $result.=&Apache::edit::handle_insert();
                    200:     }
                    201:   }
1.3       tsai      202:   return $result;
1.1       tsai      203: }
                    204: 
1.5       albertel  205: sub add_vars {
1.28      albertel  206:   my ($name,$order,$label,$labelorder,$value,$image,$safeeval) = @_;
1.5       albertel  207:   my $code = '${'.$name."}{'".($order+1)."'}='".$label."';";
                    208:   my $out=Apache::run::run($code,$safeeval);
                    209:   if ($value) {
                    210:     $code = '${'.$name."}{'value_".($order+1)."'}='".$value."';";
                    211:     $out=Apache::run::run($code,$safeeval);
                    212:     $code = '${'.$name."}{'labelvalue_".($labelorder+1)."'}='".$value."';";
                    213:     $out=Apache::run::run($code,$safeeval);
1.4       albertel  214:   }
1.28      albertel  215:   if ($image) {
                    216:       my $code = '${'.$name."}{'image_".($order+1)."'}='".$image."';";
                    217:       my $out=Apache::run::run($code,$safeeval);
                    218:   }
1.5       albertel  219:   $code = '${'.$name."}{'numlocations'}='".($order+1)."';";
                    220:   $out=Apache::run::run($code,$safeeval);
1.4       albertel  221: }
1.5       albertel  222: 
1.1       tsai      223: # begin to assign labels to locations
                    224: sub end_labelgroup {
                    225:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    226:   my $gname = $Apache::randomlabel::groupname;
1.2       tsai      227:   my $type  = $Apache::randomlabel::type;
1.4       albertel  228:   my $result='';
1.5       albertel  229:   if ($target eq 'web' || $target eq 'answer' || $target eq 'grade') {
1.4       albertel  230:     my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);
                    231:     &Apache::structuretags::shuffle(\@idx_arr);
                    232:     for(0 .. $#Apache::randomlabel::label_arr) {
                    233:       my $str;
                    234:       my $xstr;
                    235:       my $ystr;
                    236:       my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$_] ]";
1.5       albertel  237:       my $x = $Apache::randomlabel::xcoord[$_];
                    238:       my $y = $Apache::randomlabel::ycoord[$_];
                    239:       my $value = $Apache::randomlabel::value[$_];
1.4       albertel  240:       if( $type eq 'text') {
1.28      albertel  241: 	&add_vars($gname,$_,$label,$idx_arr[$_],$value,'',$safeeval);
1.4       albertel  242: 	$str = 'LB'.$Apache::randomlabel::tlabel_cnt;
                    243: 	$xstr = 'X'.$Apache::randomlabel::tlabel_cnt;
                    244: 	$ystr = 'Y'.$Apache::randomlabel::tlabel_cnt;
                    245: 	$Apache::randomlabel::tlabel_cnt += 1;
                    246:       } elsif ( $type eq 'image') {
1.28      albertel  247: 	&add_vars($gname,$_,
                    248: 		  $Apache::randomlabel::description[$idx_arr[$_]],
                    249: 		  $idx_arr[$_],$value,$label,$safeeval);
1.26      albertel  250: 	$str = 'IMG'.$Apache::randomlabel::ilabel_cnt;
                    251: 	$xstr = 'IX'.$Apache::randomlabel::ilabel_cnt;
                    252: 	$ystr = 'IY'.$Apache::randomlabel::ilabel_cnt;
1.4       albertel  253: 	$Apache::randomlabel::ilabel_cnt += 1;
                    254:       } else {
                    255: 	&Apache::lonxml::error('Unknown type of label :'.$type.':');
                    256:       }
1.5       albertel  257:       if ($target eq 'web') {
                    258: 	$result .= '<param name="' . $str  . '" value="'.$label.'">';
                    259: 	$result .= '<param name="' . $xstr . '" value="'.$x.'">';
1.26      albertel  260: 	$result .= '<param name="' . $ystr . '" value="'.$y.'">'."\n";
1.5       albertel  261:       }
1.3       tsai      262:     }
1.4       albertel  263:   } elsif ($target eq 'tex') {
                    264:     my $WX1=0; #  Web x-coord. of upper left corner (ULC)
                    265:     my $WY1=0; #  Web y-coord. of (ULC)
                    266:     my $wwidth=&Apache::lonxml::get_param('width',$parstack,$safeeval,-2);
                    267:     my $wheight=&Apache::lonxml::get_param('height',$parstack,$safeeval,-2);
                    268:     my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,-2);
                    269:     my $TX1=0;
                    270:     my $TY1=$texwidth*($wheight/$wwidth);
                    271:     my $TX2=$texwidth;
                    272:     my $TY2=0;
                    273: 
                    274: 
                    275:     my $slopex=($wwidth-$WX1)/($TX2-$TX1);
                    276:     my $slopey=($wheight-$WY1)/($TY2-($TY1-1.0));
                    277:     my $cstx=$wwidth-$slopex*($TX2);
                    278:     my $csty=$wheight-$slopey*($TY2);
                    279: 
                    280:     my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);
                    281:     &Apache::structuretags::shuffle(\@idx_arr);
                    282: 
                    283:     &Apache::lonxml::debug("Array is:".$#Apache::randomlabel::label_arr.":");
                    284:     for(my $i=0;$i <= $#Apache::randomlabel::label_arr; $i++) {
                    285:       my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$i] ]";
                    286:       my $x = $Apache::randomlabel::xcoord[$i];
                    287:       my $y = $Apache::randomlabel::ycoord[$i];
1.5       albertel  288:       my $value = $Apache::randomlabel::value[$i];
1.31      sakharuk  289:       #x latex coordinate
1.34    ! sakharuk  290:       my $tcX=($x)*($texwidth/$wwidth);
1.31      sakharuk  291:       #y latex coordinate
1.34    ! sakharuk  292: #      my $ratio=($wwidth > 0 ? $wheight/$wwidth : 1 );
        !           293:       my $tcY=$TY1-$y*($TY1/$wheight);
1.4       albertel  294:       $tcX=sprintf('%.2f',$tcX);
                    295:       $tcY=sprintf('%.2f',$tcY);
                    296:       $result.='\put('.$tcX.','.$tcY.'){\normalsize \bf '.$label.'}'."\n";
                    297:       if( $type eq 'text') {
1.28      albertel  298: 	&add_vars($gname,$i,$label,$idx_arr[$i],$value,'',$safeeval);
1.4       albertel  299:       } elsif ( $type eq 'image') {
1.28      albertel  300: 	&add_vars($gname,$i,
                    301: 		  $Apache::randomlabel::description[$idx_arr[$i]],
                    302: 		  $idx_arr[$i],$value,$label,$safeeval);
1.4       albertel  303:       } else {
                    304: 	&Apache::lonxml::error('Unknown type of label :'.$type.':');
                    305:       }
                    306:     }
                    307:   } elsif ($target eq 'edit') {
                    308:     $result.=&Apache::edit::end_table;
1.1       tsai      309:   }
1.4       albertel  310:   return $result;
1.1       tsai      311: }
                    312: 
1.5       albertel  313: # <location x="123" y="456" value="some value"/>
1.1       tsai      314: sub start_location {
                    315:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.23      matthew   316:   my $x= &check_int(&Apache::lonxml::get_param('x',$parstack,$safeeval),50);
                    317:   my $y= &check_int(&Apache::lonxml::get_param('y',$parstack,$safeeval),50);
1.5       albertel  318:   my $value= &Apache::lonxml::get_param('value',$parstack,$safeeval);
1.3       tsai      319:   my $result='';
1.1       tsai      320:   push(@Apache::randomlabel::xcoord,$x);
1.4       albertel  321:   push(@Apache::randomlabel::ycoord,$y);
1.5       albertel  322:   push(@Apache::randomlabel::value,$value);
1.4       albertel  323:   if ($target eq 'edit') {
                    324:     $result.=&Apache::edit::tag_start($target,$token);
                    325:     $result.=&Apache::edit::text_arg('X:','x',$token,4).
                    326:       &Apache::edit::text_arg('Y:','y',$token,4).
1.5       albertel  327: 	&Apache::edit::text_arg('Value:','value',$token).
1.13      sakharuk  328: 	  &Apache::edit::end_row();
1.4       albertel  329:     $result.=&Apache::edit::end_table;
                    330:   } elsif ($target eq 'modified') {
                    331:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
1.5       albertel  332: 						 'x','y','value');
1.4       albertel  333:     if ($constructtag) {
                    334:       $result = &Apache::edit::rebuild_tag($token);
                    335:       $result.=&Apache::edit::handle_insert();
                    336:     }
                    337:   }
1.3       tsai      338:   return $result;
1.1       tsai      339: }
                    340: 
                    341: sub end_location {
1.3       tsai      342:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.4       albertel  343:   my @result;
                    344:   if ($target eq 'edit') { @result=('','no') }
                    345:   return @result;
1.1       tsai      346: }
                    347: 
1.2       tsai      348: # <label>$var_abc</label>
1.1       tsai      349: sub start_label {
                    350:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.3       tsai      351:   my $result='';
1.26      albertel  352:   my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
1.5       albertel  353:   if ($target eq 'web' || $target eq 'tex' || 
                    354:       $target eq 'grade' || $target eq 'answer') {
1.4       albertel  355:     my $ltext=&Apache::lonxml::get_all_text("/label",$$parser[-1]);
1.14      albertel  356:     $ltext=&Apache::run::evaluate($ltext,$safeeval,$$parstack[-1]);
1.26      albertel  357:     if ($type eq 'image') {
                    358:       &Apache::lonxml::debug("Turning $ltext and $Apache::lonxml::pwd[-1]");
                    359:       $ltext="http://$ENV{'SERVER_NAME'}".&Apache::lonnet::hreflocation($Apache::lonxml::pwd[-1],
                    360: 					   $ltext);
                    361:       &Apache::lonxml::debug("into $ltext");
                    362:       my $description = &Apache::lonxml::get_param('description',
                    363: 						   $parstack,$safeeval);
                    364:       push(@Apache::randomlabel::description,$description);
                    365:     }
1.4       albertel  366:     push(@Apache::randomlabel::label_arr,$ltext);
                    367:   } elsif ($target eq 'edit') {
1.26      albertel  368:     $result.=&Apache::edit::tag_start($target,$token,"$type Label");
1.4       albertel  369:     my $text=&Apache::lonxml::get_all_text("/label",$$parser[-1]);
1.27      albertel  370:     if ($type eq 'image') {
                    371:       $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    372:       $result.=&Apache::edit::text_arg('Description:','description',$token);
                    373:     }
1.26      albertel  374:     if ($type eq 'text') { $result.="Label Text:"; }
                    375:     if ($type eq 'image') { $result.="Path to image:"; }
                    376:     $result.=&Apache::edit::editline('',$text,'',20).
                    377:       &Apache::edit::end_table();
1.4       albertel  378:   } elsif ($target eq 'modified') {
                    379:     my $text=$$parser[-1]->get_text("/label");
1.26      albertel  380:     $result = '<label>';
                    381:     if ($type eq 'image') {
                    382:       my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
                    383: 						   'description');
                    384:       if ($constructtag) {
                    385: 	$result = &Apache::edit::rebuild_tag($token);
                    386:       } else {
                    387: 	$result = $token->[4];
                    388:       }
                    389:     }
                    390:     $result.=&Apache::edit::modifiedfield($token);
1.4       albertel  391:   }
1.3       tsai      392:   return $result;
1.1       tsai      393: }
                    394: 
                    395: sub end_label {
1.3       tsai      396:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.4       albertel  397:   my @result;
                    398:   if ($target eq 'edit') { @result=('','no') }
                    399:   return @result;
1.1       tsai      400: }
                    401: 
                    402: 
                    403: 
                    404: 1;
                    405: __END__
                    406:  

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