Annotation of rat/lonratedt.pm, revision 1.46

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Edit Handler for RAT Maps
1.5       www         3: #
1.46    ! bowersj2    4: # $Id: lonratedt.pm,v 1.45 2003/06/16 13:51:46 www Exp $
1.5       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: #
1.1       www        28: # (TeX Content Handler
                     29: #
                     30: # 05/29/00,05/30 Gerd Kortemeyer)
1.4       www        31: # 7/1,6/30 Gerd Kortemeyer
1.1       www        32: 
                     33: package Apache::lonratedt;
1.46    ! bowersj2   34: 
        !            35: =pod
        !            36: 
        !            37: =head1 NAME
        !            38: 
        !            39: Apache::lonratedt: advanced resource assembly tool
        !            40: 
        !            41: =head1 SYNOPSIS
        !            42: 
        !            43: lonratedt provides the routines and the handler for the Advanced
        !            44:     Resource Assembly Tool (RAT), and ties the various pieces together
        !            45:     with Javascript.
        !            46: 
        !            47: =head1 OVERVIEW
        !            48: 
        !            49: =head2 Map Representation
        !            50: 
        !            51: =begin latex
        !            52: 
        !            53: %
        !            54: \begin{figure}
        !            55: \begin{center}\includegraphics[%
        !            56:   width=0.55\paperwidth,bb = 0 0 200 100, draft, type=eps]{Map_Example}\end{center}
        !            57: 
        !            58: 
        !            59: \caption{\label{Map_In_Advanced_Editor}Example of a Map in the Advanced Editor}
        !            60: \end{figure}
        !            61: %
        !            62: \begin{figure}
        !            63: \begin{lyxcode}
        !            64: <map>
        !            65: 
        !            66: ~~<resource~id=\char`\"{}1\char`\"{}
        !            67: 
        !            68: ~~~~src=\char`\"{}/res/msu/korte/phy231welcome.html\char`\"{}
        !            69: 
        !            70: ~~~~type=\char`\"{}start\char`\"{}
        !            71: 
        !            72: ~~~~title=\char`\"{}Start\char`\"{}>
        !            73: 
        !            74: ~~~~</resource>
        !            75: 
        !            76: ~~<resource~id=\char`\"{}2\char`\"{}
        !            77: 
        !            78: ~~~~src=\char`\"{}\char`\"{}~type=\char`\"{}finish\char`\"{}
        !            79: 
        !            80: ~~~~title=\char`\"{}Finish\char`\"{}>
        !            81: 
        !            82: ~~~~</resource>
        !            83: 
        !            84: ~~<resource~id=\char`\"{}6\char`\"{}
        !            85: 
        !            86: ~~~~src=\char`\"{}/res/msu/korte/tests/units.problem\char`\"{}
        !            87: 
        !            88: ~~~~type=\char`\"{}mandatory\char`\"{}
        !            89: 
        !            90: ~~~~title=\char`\"{}Physical~Units~Test\char`\"{}>
        !            91: 
        !            92: ~~~~</resource>
        !            93: 
        !            94: ~~<resource~id=\char`\"{}9\char`\"{}
        !            95: 
        !            96: ~~~~src=\char`\"{}/res/msu/korte/chapters/onedim.sequence\char`\"{}
        !            97: 
        !            98: ~~~~title=\char`\"{}Motion~in~One~Dimension\char`\"{}>
        !            99: 
        !           100: ~~~~</resource>
        !           101: 
        !           102: ~~<resource~id=\char`\"{}11\char`\"{}
        !           103: 
        !           104: ~~~~src=\char`\"{}/res/msu/bauer/bridges/units.sequence\char`\"{}
        !           105: 
        !           106: ~~~~title=\char`\"{}Physical~Units~Refresher\char`\"{}>
        !           107: 
        !           108: ~~~~</resource>
        !           109: 
        !           110: ~~<condition~id=\char`\"{}19\char`\"{}
        !           111: 
        !           112: ~~~~type=\char`\"{}stop\char`\"{}
        !           113: 
        !           114: ~~~~value=\char`\"{}user.assessments{[}this./res/msu/korte/tests/units.problem{]}.status=solved\char`\"{}>
        !           115: 
        !           116: ~~~~</condition>
        !           117: 
        !           118: ~~<link~from=\char`\"{}1\char`\"{}~to=\char`\"{}6\char`\"{}></link>
        !           119: 
        !           120: ~~<link~from=\char`\"{}6\char`\"{}~to=\char`\"{}9\char`\"{}~condition=\char`\"{}19\char`\"{}></link>
        !           121: 
        !           122: ~~<link~from=\char`\"{}6\char`\"{}~to=\char`\"{}11\char`\"{}></link>
        !           123: 
        !           124: ~~<link~from=\char`\"{}11\char`\"{}~to=\char`\"{}6\char`\"{}></link>
        !           125: 
        !           126: ~~</map>
        !           127: \end{lyxcode}
        !           128: 
        !           129: \caption{\label{XML}XML for Map in Figure \ref{Map_In_Advanced_Editor}}
        !           130: \end{figure}
        !           131: 
        !           132: =end latex
        !           133: 
        !           134: Fig. "XML for Map in Figure" shows the XML representation of the
        !           135: resource map shown in Fig. "Example of a Map in the Advanced Editor",
        !           136: which is the format in which maps are stored. In the figure, however,
        !           137: additional graphical map layout information generated by the Advanced
        !           138: Resource Assembly Tool is not displayed. This graphical information is
        !           139: optional to re-generate the same graphical layout when the map is
        !           140: brought up again in the Resource Assembly Tool, and is not needed for
        !           141: any other system functionality.
        !           142: 
        !           143: Maps can be generated by tools other than the Resource Assembly
        !           144: Tool. In particular, an author might have some other representation of
        !           145: a course sequence, which can be converted into a map using scripts. If
        !           146: this map then were to be brought up in the Resource Assembly Tool, the
        !           147: Tool would automatically generate a graphical layout for it. Each
        !           148: entry of the map (resources, conditions and links) is stored in a
        !           149: separate tag.
        !           150: 
        !           151: Resources and conditionsX<conditions> have to have unique ID
        !           152: numbers. These numbers are automatically generated by the Resource
        !           153: Assembly Tool when the entry is first created, or added to the entries
        !           154: when a map generated outside the Resource Assembly Tool is first
        !           155: retrieved. They can also be assigned by custom scripts or added in by
        !           156: hand.
        !           157: 
        !           158: In the XML example, entry 1 is the start resource of the map. When
        !           159: this map is accessed, the source (src) URL of this tag will be the
        !           160: first resource rendered. Entry 2 is the finish resource of this
        !           161: map. This resource will be the last resource in the sequence of
        !           162: resources. Entry 6 is a problem resource with the given URL and title,
        !           163: as well as the priority "mandatory". Entry 19 is a condition, which is
        !           164: used by the link between entries 6, the problem, and 9, a
        !           165: sequence. I<The final syntax for conditions has not yet been
        !           166: determined.>
        !           167: 
        !           168: =cut
1.1       www       169: 
                    170: use strict;
                    171: use Apache::Constants qw(:common);
1.3       www       172: use Apache::lonnet;
1.7       www       173: use Apache::lonratsrv;
1.30      www       174: use Apache::lonsequence;
1.34      www       175: use Apache::loncommon;
                    176: use File::Copy;
1.1       www       177: 
1.33      www       178: use vars qw(@order @resources);
1.8       www       179: 
                    180: 
                    181: # Mapread read maps into global arrays @links and @resources, determines status
1.10      www       182: # sets @order - pointer to resources in right order
                    183: # sets @resources - array with the resources with correct idx
                    184: #
1.8       www       185: sub mapread {
                    186:     my $fn=shift;
                    187: 
1.10      www       188:     my @links;
1.8       www       189:     undef @links;
                    190:     undef @resources;
1.10      www       191:     undef @order;
1.23      www       192:     @resources=('');
                    193:     @order=();
1.8       www       194: 
                    195:     my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
                    196:     if ($errtext) { return ($errtext,2); }
                    197: 
1.9       www       198: # -------------------------------------------------------------------- Read map
1.8       www       199:     foreach (split(/\<\&\>/,$outtext)) {
1.9       www       200: 	my ($command,$number,$content)=split(/\<\:\>/,$_);
1.8       www       201:         if ($command eq 'objcont') {
1.9       www       202: 	    $resources[$number]=$content;
1.8       www       203:         }
                    204:         if ($command eq 'objlinks') {
1.9       www       205:             $links[$number]=$content;
1.31      www       206:         }
                    207:         if ($command eq 'objparms') {
                    208: 	    return('Map has resource parameters. Use advanced editor.',1);
1.9       www       209:         }
                    210:     }
                    211: # ------------------------------------------------------- Is this a linear map?
                    212:     my @starters=();
                    213:     my @endings=();
                    214:     undef @starters;
                    215:     undef @endings;
                    216: 
                    217:     foreach (@links) {
                    218:         if (defined($_)) {
                    219: 	    my ($start,$end,$cond)=split(/\:/,$_);
                    220:             if ((defined($starters[$start])) || (defined($endings[$end]))) { 
1.8       www       221: 		return
1.10      www       222:                  ('Map has branchings. Use advanced editor.',1);
1.8       www       223:             }
1.9       www       224: 	    $starters[$start]=1;
                    225: 	    $endings[$end]=1;
                    226: 	    if ($cond) {
1.8       www       227: 		return
1.10      www       228:                  ('Map has conditions. Use advanced editor.',1);
1.8       www       229:             }
                    230: 	}
                    231: 
                    232:     }
1.23      www       233:     for (my $i=1; $i<=$#resources; $i++) {
1.10      www       234:         if (defined($resources[$i])) {
                    235: 	    unless (($starters[$i]) || ($endings[$i])) {
                    236:                 return
                    237: 		 ('Map has unconnected resources. Use advanced editor.',1);
                    238:             }
                    239:         }
                    240:     }
1.38      www       241: # ---------------------------------------------- Did we just read an empty map?
                    242:     if ($#resources<1) {
                    243:         undef $resources[0];
                    244: 	$resources[1]=':::start';
                    245:         $resources[2]=':::finish';
                    246:     }
1.10      www       247: # -------------------------------------------------- This is a linear map, sort
                    248: 
                    249:     my $startidx=0;
                    250:     my $endidx=0;
                    251:     for (my $i=0; $i<=$#resources; $i++) {
                    252:         if (defined($resources[$i])) {
                    253:             my ($title,$url,$ext,$type)=split(/\:/,$resources[$i]);
                    254: 	    if ($type eq 'start') { $startidx=$i; }
                    255:             if ($type eq 'finish') { $endidx=$i; }
                    256:         }
                    257:     }
                    258:     my $k=0;
                    259:     my $currentidx=$startidx;
                    260:     $order[$k]=$currentidx;
                    261:     for (my $i=0; $i<=$#resources; $i++) {
                    262:         foreach (@links) {
                    263: 	    my ($start,$end)=split(/\:/,$_);
                    264:             if ($start==$currentidx) {
                    265: 		$currentidx=$end;
                    266:                 $k++;
                    267:                 $order[$k]=$currentidx;
                    268:                 last;
                    269:             }
                    270:         }
                    271:         if ($currentidx==$endidx) { last; }
                    272:     }
1.8       www       273:     return $errtext;
                    274: }
                    275: 
1.16      www       276: # ---------------------------------------------- Read a map as well as possible
1.28      www       277: # Also used by the sequence handler
                    278: # Call lonsequence::attemptread to read from resource space
                    279: #
1.16      www       280: sub attemptread {
                    281:     my $fn=shift;
                    282: 
                    283:     my @links;
                    284:     undef @links;
                    285:     my @theseres;
                    286:     undef @theseres;
                    287: 
                    288:     my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
                    289:     if ($errtext) { return @theseres }
                    290: 
                    291: # -------------------------------------------------------------------- Read map
                    292:     foreach (split(/\<\&\>/,$outtext)) {
                    293: 	my ($command,$number,$content)=split(/\<\:\>/,$_);
                    294:         if ($command eq 'objcont') {
                    295: 	    $theseres[$number]=$content;
                    296:         }
                    297:         if ($command eq 'objlinks') {
                    298:             $links[$number]=$content;
                    299:         }
                    300:     }
                    301: 
                    302: # --------------------------------------------------------------- Sort, sort of
                    303: 
1.17      www       304:     my @objsort=();
                    305:     undef @objsort;
1.16      www       306: 
1.17      www       307:     my @data1=();
                    308:     my @data2=();
                    309:     undef @data1;
                    310:     undef @data2;
                    311: 
                    312:     my $k;
                    313:     my $kj;
                    314:     my $j;
                    315:     my $ij;
                    316: 
                    317:    for ($k=1;$k<=$#theseres;$k++) {
                    318:       if (defined($theseres[$k])) {
                    319:          $objsort[$#objsort+1]=$k;
                    320:       }
                    321:    }
1.16      www       322: 
1.17      www       323:    for ($k=1;$k<=$#links;$k++) {
                    324:      if (defined($links[$k])) {
                    325:       @data1=split(/\:/,$links[$k]);
                    326:       $kj=-1;
                    327:       for (my $j=0;$j<=$#objsort;$j++) {
                    328:          if ((split(/\:/,$objsort[$j]))[0]==$data1[0]) {
                    329:             $kj=$j;
                    330:          }
                    331:       }
                    332:       if ($kj!=-1) { $objsort[$kj].=':'.$data1[1]; }
                    333:      }
                    334:    }
                    335:     for ($k=0;$k<=$#objsort;$k++) {
                    336:       for ($j=0;$j<=$#objsort;$j++) {
                    337:         if ($k!=$j) {
                    338:           @data1=split(/\:/,$objsort[$k]);
                    339:           @data2=split(/\:/,$objsort[$j]);
                    340:           my $dol=$#data1+1;
                    341:           my $dtl=$#data2+1;
                    342:           if ($dol+$dtl<1000) {
                    343:            for ($kj=1;$kj<$dol;$kj++) {
                    344:              if ($data1[$kj]==$data2[0]) {
                    345:                 for ($ij=1;$ij<$dtl;$ij++) {
                    346:                    $data1[$#data1+1]=$data2[$ij];
                    347:                 }
                    348:              }
                    349:            }
                    350:            for ($kj=1;$kj<$dtl;$kj++) {
                    351:              if ($data2[$kj]==$data1[0]) {
                    352:                  for ($ij=1;$ij<$dol;$ij++) {
                    353:                     $data2[$#data2+1]=$data1[$ij];
                    354:                  }
                    355:              }
                    356:            }
                    357:            $objsort[$k]=join(':',@data1);
                    358:            $objsort[$j]=join(':',@data2);
                    359:           }
                    360:          }
                    361:       } 
                    362:   }
                    363: # ---------------------------------------------------------------- Now sort out
1.16      www       364: 
1.17      www       365:     @objsort=sort {
                    366:       my @data1=split(/\:/,$a);
                    367:       my @data2=split(/\:/,$b);
                    368:       my $rvalue=0;
                    369:       my $k;
                    370:       for ($k=1;$k<=$#data1;$k++) {
                    371:          if ($data1[$k]==$data2[0]) { $rvalue--; }
                    372:       }
                    373:       for ($k=1;$k<=$#data2;$k++) {
                    374:          if ($data2[$k]==$data1[0]) { $rvalue++; }
                    375:       }
                    376:       if ($rvalue==0) { $rvalue=$#data2-$#data1; }
                    377:       $rvalue;
                    378:     } @objsort;
                    379: 
                    380:     my @outres=();
                    381:     undef @outres;
                    382: 
                    383:     for ($k=0;$k<=$#objsort;$k++) {
                    384: 	$outres[$k]=$theseres[(split(/\:/,$objsort[$k]))[0]];
                    385:     }
                    386:     return @outres;
1.16      www       387: }
                    388: 
1.3       www       389: # --------------------------------------------------------- Build up RAT screen
                    390: sub ratedt {
                    391:   my ($r,$url)=@_;
1.1       www       392:   $r->print(<<ENDDOCUMENT);
                    393: 
                    394: <html>
1.2       harris41  395: <head>
                    396: <script language="JavaScript">
                    397:     var flag=0;
                    398: </script>
                    399: </head>
1.1       www       400: <frameset rows="1,50,*" border=0>
                    401: <frame name=server src="$url/loadonly/ratserver" noresize noscroll>
                    402: <frame name=code src="/adm/rat/code.html">
                    403: <frame name=mapout src="/adm/rat/map.html">
                    404: </frameset>
                    405: </html>
                    406: 
                    407: ENDDOCUMENT
1.3       www       408: }
                    409: 
1.8       www       410: # ---------------------------------------------------------------- Make buttons
                    411: 
                    412: sub buttons {
                    413:     my $adv=shift;
                    414:     my $output='<form method=post>';     
                    415:     if ($adv==1) {
                    416: 	$output.='<input type=submit name=forceadv value="Edit">';
                    417:     } else {
                    418:         unless ($adv==2) {
                    419:            $output.='<input type=submit name=forcesmp value="Simple Edit">';
                    420:         }
                    421: 	$output.='<input type=submit name=forceadv value="Advanced Edit">';
                    422:     }
                    423:     return $output.'</form><hr>';
                    424: }
                    425: 
1.20      www       426: # ----------------------------------------------------------- Paste into target
                    427: # modifies @order, @resources
                    428: 
                    429: sub pastetarget {
                    430:     my ($after,@which)=@_;
                    431:     my @insertorder=();
                    432:     foreach (@which) {
                    433:         if (defined($_)) {
                    434: 	    my ($name,$url)=split(/\=/,$_);
1.21      www       435:             $name=&Apache::lonnet::unescape($name);
                    436:             $url=&Apache::lonnet::unescape($url);
                    437:             if ($url) {
                    438: 	       my $idx=$#resources+1;
                    439:                $insertorder[$#insertorder+1]=$idx;
                    440:                my $ext='false';
                    441:                if ($url=~/^http\:\/\//) { $ext='true'; }
                    442:                $url=~s/\:/\&colon;/g;
1.37      www       443:                $name=~s/\:/\&colon;/g;
1.21      www       444:                $resources[$idx]=$name.':'.$url.':'.$ext.':normal:res';
                    445: 	   }
1.20      www       446:         }
                    447:     }
1.23      www       448:     my @oldorder=splice(@order,$after);
                    449:     @order=(@order,@insertorder,@oldorder);
1.21      www       450: }
                    451: 
                    452: # ------------------------------------------------ Get start and finish correct
                    453: # modifies @resources
                    454: 
                    455: sub startfinish {
1.43      www       456: # Remove all start and finish
1.21      www       457:     foreach (@order) {
                    458: 	my ($name,$url,$ext)=split(/\:/,$resources[$_]);
1.22      www       459:         if ($url=~/http\&colon\:\/\//) { $ext='true'; }
1.21      www       460:         $resources[$_]=$name.':'.$url.':'.$ext.':normal:res';
                    461:     }
1.43      www       462: # Garbage collection
                    463:     my $stillchange=1;
                    464:      while (($#order>1) && ($stillchange)) {
                    465:        $stillchange=0;
                    466:        for (my $i=0;$i<=$#order;$i++) {
                    467:  	  my ($name,$url,$ext)=split(/\:/,$resources[$order[$i]]);
                    468:           unless ($url) {
                    469: # Take out empty resource
                    470:               for (my $j=$i+1;$j<=$#order;$j++) {
                    471:                   $order[$j-1]=$order[$j];
                    472: 	      }
                    473:               $#order--;
                    474: 	      $stillchange=1;
                    475:               last;
                    476:           }
                    477:        }
                    478:     }
                    479: # Put in a start resource
1.23      www       480:    my ($name,$url,$ext)=split(/\:/,$resources[$order[0]]);
                    481:    $resources[$order[0]]=$name.':'.$url.':'.$ext.':start:res';
1.43      www       482: # Make sure this has at least start and finish
1.33      www       483:    if ($#order==0) {
                    484:        $resources[$#resources+1]='::false';
                    485:        $order[1]=$#resources;
                    486:    }
1.43      www       487: # Make the last one a finish resource
1.42      www       488:    ($name,$url,$ext)=split(/\:/,$resources[$order[$#order]]);
1.21      www       489:    $resources[$order[$#order]]=$name.':'.$url.':'.$ext.':finish:res';
1.20      www       490: }
                    491: 
1.22      www       492: # ------------------------------------------------------------------- Store map
                    493: 
                    494: sub storemap {
1.34      www       495:     my $realfn=shift;
1.35      www       496:     my $fn=$realfn;
                    497: # unless this is forced to work from the original file, use a temporary file
                    498: # instead
                    499:     unless (shift) {
                    500:        $fn=$realfn.'.tmp';
                    501:        unless (-e $fn) {
                    502: 	  copy($realfn,$fn);
                    503:        }
1.34      www       504:     }
1.35      www       505: # store data either into tmp or real file
1.22      www       506:     &startfinish();
                    507:     my $output='graphdef<:>no';
                    508:     my $k=1;
                    509:     for (my $i=0; $i<=$#order; $i++) {
                    510:         if (defined($resources[$order[$i]])) {
                    511: 	    $output.='<&>objcont<:>'.$order[$i].'<:>'.$resources[$order[$i]];
                    512:         }
                    513:         if (defined($order[$i+1])) {
                    514: 	    if (defined($resources[$order[$i+1]])) {
                    515:                $output.='<&>objlinks<:>'.$k.'<:>'.
                    516: 		   $order[$i].':'.$order[$i+1].':0';
                    517: 	       $k++;
                    518:             }
                    519:         }
                    520:     }
1.23      www       521:     $output=~s/http\&colon\;\/\///g;
1.22      www       522:     $ENV{'form.output'}=$output;
                    523:     return 
                    524:      &Apache::lonratsrv::loadmap($fn,&Apache::lonratsrv::savemap($fn,''));
                    525: }
                    526: 
1.32      www       527: sub editscript {
                    528:     my $mode=shift;
                    529:     return(<<ENDSCRIPT);
                    530: var srch;
                    531: var srchflag=-1; // 1 means currently open
                    532:                  // 0 means closed (but has been open)
                    533:                  // -1 means never yet opened/defined
                    534: var srchmode='';
                    535: 
                    536: var idx;
                    537: var idxflag=-1; // 1 means currently open
                    538:                  // 0 means closed (but has been open)
                    539:                  // -1 means never yet opened/defined
                    540: var idxmode='';
                    541: 
                    542: // ------------------------------------------------------ Clears indexer window
                    543: function idxclear() {
                    544:   idx.document.clear();
                    545: }
                    546: 
                    547: // ------------------------------------------------------- Clears search window
                    548: function srchclear() {
                    549:   srch.document.clear();
                    550: }
                    551: 
                    552: // ------------------------------------------------------ Closes indexer window
                    553: function idxclose() {
                    554:   if (idx && !idx.closed) {
                    555:     idxflag=0;
                    556:     idx.close();
                    557:   }
                    558: }
                    559: 
                    560: // ------------------------------------------------------- Closes search window
                    561: function srchclose() {
                    562:   if (srch && !srch.closed) {
                    563:     srchflag=0;
                    564:     srch.close();
                    565:   }
                    566: }
                    567: 
                    568: // -------------------------------------------------------- Open indexer window
                    569: function idxopen(mode) {
                    570:    var options="scrollbars=1,resizable=1,menubar=0";
                    571:    idxmode=mode;
                    572:    idxflag=1;
                    573:    idx=open("/res/?launch=1&mode=$mode&catalogmode="+mode,"idxout",options);
                    574:    idx.focus();
                    575: }
                    576: 
                    577: // --------------------------------------------------------- Open search window
                    578: function srchopen(mode) {
                    579:    var options="scrollbars=1,resizable=1,menubar=0";
                    580:    srchmode=mode;
                    581:    srchflag=1;
                    582:    srch=open("/adm/searchcat?launch=1&mode=$mode&catalogmode="+mode,"srchout",options);
                    583:    srch.focus();
                    584: }
                    585: // ----------------------------------------------------- launch indexer browser
                    586: function groupsearch() {
                    587:    srchcheck('groupsearch');
                    588: }
                    589: 
                    590: function groupimport() {
                    591:    idxcheck('groupimport');
                    592: }
                    593: // ------------------------------------------------------- Do srch status check
                    594: function srchcheck(mode) {
                    595:    if (!srch || srch.closed || srchmode!=mode) {
                    596:       srchopen(mode);
                    597:    }
                    598:    srch.focus();
                    599: }
                    600: 
                    601: // -------------------------------------------------------- Do idx status check
                    602: function idxcheck(mode) {
                    603:    if (!idx || idx.closed || idxmode!=mode) {
                    604:       idxopen(mode);
                    605:    }
                    606:    idx.focus();
                    607: }
                    608: 
                    609: 
                    610:     var editbrowser;
                    611:     function openbrowser(formname,elementname,only,omit) {
                    612:         var url = '/res/?';
                    613:         if (editbrowser == null) {
                    614:             url += 'launch=1&';
                    615:         }
                    616:         url += 'catalogmode=interactive&';
                    617:         url += 'mode=edit&';
                    618:         url += 'form=' + formname + '&';
                    619:         if (only != null) {
                    620:             url += 'only=' + only + '&';
                    621:         } 
                    622:         if (omit != null) {
                    623:             url += 'omit=' + omit + '&';
                    624:         }
                    625:         url += 'element=' + elementname + '';
                    626:         var title = 'Browser';
                    627:         var options = 'scrollbars=1,resizable=1,menubar=0';
                    628:         options += ',width=700,height=600';
                    629:         editbrowser = open(url,title,options,'1');
                    630:         editbrowser.focus();
                    631:     }
                    632: ENDSCRIPT
                    633: }
1.20      www       634: # ------------------------------------------------------- Simple edit processor
                    635: 
1.3       www       636: sub smpedt {
1.22      www       637:    my ($r,$url,$errtext)=@_;
1.8       www       638:    my $buttons=&buttons(2);
1.34      www       639:    my $tmpfn=&Apache::lonnet::filelocation('',$url).'.tmp';
                    640:    my $targetmsg='';
                    641:    if ($ENV{'form.save'}) {
                    642:        $targetmsg='<b>Saving ...</b><br>';
                    643:        copy($tmpfn,&Apache::lonnet::filelocation('',$url));
                    644:        unlink($tmpfn);
1.35      www       645:        my ($errtext,$fatal)=
                    646:                            &mapread(&Apache::lonnet::filelocation('',$url),'');
1.34      www       647:    }
                    648:    if ($ENV{'form.revert'}) {
                    649:        $targetmsg='<b>Reverting ...</b><br>';
                    650:        unlink($tmpfn);
1.35      www       651:        my ($errtext,$fatal)=
                    652:                            &mapread(&Apache::lonnet::filelocation('',$url),'');
1.34      www       653:    }
                    654:    if (-e $tmpfn) {
                    655:       $targetmsg=
                    656:         '<b><font color="red">You are working with an unsaved version of your map.</font></b><br>';
                    657:       my ($errtext,$fatal)=&mapread($tmpfn,'');
                    658:    }
1.12      www       659: # ---------------------------------------------------------- Process form input
                    660: 
                    661:    my @importselect=();
                    662:    my @targetselect=();
                    663:    undef @importselect;
                    664:    undef @targetselect;
1.27      www       665:    if (defined($ENV{'form.importsel'})) {
                    666:        if (ref($ENV{'form.importsel'})) {
                    667: 	   @importselect=sort(@{$ENV{'form.importsel'}});
1.12      www       668:        } else {
1.27      www       669:            @importselect=($ENV{'form.importsel'});
1.12      www       670:        }
                    671:    }
                    672:    if (defined($ENV{'form.target'})) {
                    673:        if (ref($ENV{'form.target'})) {
1.25      www       674: 	   @targetselect=sort(@{$ENV{'form.target'}});
1.12      www       675:        } else {
                    676:            @targetselect=($ENV{'form.target'});
                    677:        }
                    678:    }
1.13      www       679: # ============================================================ Process commands
1.12      www       680: 
1.14      www       681:    my $targetdetail=$ENV{'form.targetdetail'};
                    682:    my $importdetail=$ENV{'form.curimpdetail'};
1.13      www       683: 
                    684: # ---------------------------------------------------- Importing from groupsort
1.16      www       685:    if (($ENV{'form.importdetail'}) && (!$ENV{'form.impfortarget'})) {
1.13      www       686: 
1.14      www       687:        $importdetail='';
1.13      www       688:        my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
                    689: 
                    690:        my $lastsel;
                    691: 
                    692:        if (defined($importselect[-1])) {
                    693: 	   $lastsel=$importselect[-1];
                    694:        } else {
                    695:            $lastsel=$#curimport;
                    696:        }
                    697: 
                    698:        for (my $i=0;$i<=$lastsel;$i++) {
                    699:            my ($name,$url)=split(/\=/,$curimport[$i]);
                    700:            if ($url) {
1.18      www       701:               $importdetail.='&'.$name.'='.$url;
1.13      www       702: 	   }
                    703:        }
                    704: 
                    705:       $importdetail.='&'.$ENV{'form.importdetail'};
                    706: 
                    707:        for (my $i=$lastsel+1;$i<=$#curimport;$i++) {
                    708:            my ($name,$url)=split(/\=/,$curimport[$i]);
                    709:            if ($url) {
1.18      www       710:               $importdetail.='&'.$name.'='.$url;
1.13      www       711: 	  }
                    712:        }
                    713:        $importdetail=~s/\&+/\&/g;
                    714:        $importdetail=~s/^\&//;
                    715: 
1.14      www       716: # ------------------------------------------------------------------- Clear all
                    717:    } elsif ($ENV{'form.clear'}) {
                    718:        $importdetail='';
                    719: # ------------------------------------------------------------ Discard selected
                    720:    } elsif ($ENV{'form.discard'}) {
                    721:        $importdetail='';
                    722:        my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
                    723:        foreach (@importselect) {
                    724: 	   $curimport[$_]='';
                    725:        }
                    726:        for (my $i=0;$i<=$#curimport;$i++) {
                    727:            my ($name,$url)=split(/\=/,$curimport[$i]);
                    728:            if ($url) {
1.18      www       729:               $importdetail.='&'.$name.'='.$url;
1.14      www       730: 	   }
                    731:        }
1.17      www       732: # --------------------------------------------------------- Loading another map
                    733:    } elsif ($ENV{'form.loadmap'}) {
                    734:        $importdetail='';
                    735:        my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
                    736: 
                    737:        my $lastsel;
                    738: 
                    739:        if (defined($importselect[-1])) {
                    740: 	   $lastsel=$importselect[-1];
                    741:        } else {
                    742:            $lastsel=$#curimport;
                    743:        }
                    744: 
                    745:        for (my $i=0;$i<=$lastsel;$i++) {
                    746:            my ($name,$url)=split(/\=/,$curimport[$i]);
                    747:            if ($url) {
1.18      www       748:               $importdetail.='&'.$name.'='.$url;
1.17      www       749: 	   }
                    750:        }
                    751: 
                    752:        foreach (
1.30      www       753:     &Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) {
1.17      www       754: 	   my ($name,$url)=split(/\:/,$_);
                    755:            if ($url) {
                    756:               $importdetail.='&'.&Apache::lonnet::escape($name).'='.
                    757: 		 	         &Apache::lonnet::escape($url);
                    758: 	  }
                    759:        }
                    760: 
                    761:        for (my $i=$lastsel+1;$i<=$#curimport;$i++) {
                    762:            my ($name,$url)=split(/\=/,$curimport[$i]);
                    763:            if ($url) {
1.18      www       764:               $importdetail.='&'.$name.'='.$url;
1.17      www       765: 	  }
                    766:        }
                    767:        $importdetail=~s/\&+/\&/g;
                    768:        $importdetail=~s/^\&//;
                    769: 
1.20      www       770: # ------------------------------------------------ Groupimport/search to target
                    771:    } elsif ($ENV{'form.importdetail'}) {
                    772:        my $lastsel;
                    773:        if (defined($targetselect[-1])) {
                    774: 	   $lastsel=$targetselect[-1];
                    775:        } else {
1.23      www       776:            $lastsel=$#order+1;
1.20      www       777:        }
1.21      www       778:        &pastetarget($lastsel,split(/\&/,$ENV{'form.importdetail'}));
1.22      www       779:        &storemap(&Apache::lonnet::filelocation('',$url));
1.20      www       780: # ------------------------------------------------------------------------- Cut
1.25      www       781:    } elsif (($ENV{'form.cut'}) || ($ENV{'form.copy'})) {
                    782:        $importdetail='';
                    783:        my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
                    784: 
                    785:        my $lastsel;
                    786: 
                    787:        if (defined($importselect[-1])) {
                    788: 	   $lastsel=$importselect[-1];
                    789:        } else {
                    790:            $lastsel=$#curimport;
                    791:        }
                    792: 
                    793:        for (my $i=0;$i<=$lastsel;$i++) {
                    794:            my ($name,$url)=split(/\=/,$curimport[$i]);
                    795:            if ($url) {
                    796:               $importdetail.='&'.$name.'='.$url;
                    797: 	   }
                    798:        }
                    799: 
                    800:        foreach (@targetselect) {
                    801: 	   my ($name,$url)=split(/\:/,$resources[$order[$_-1]]);
                    802:            if ($url) {
                    803:               $importdetail.='&'.&Apache::lonnet::escape($name).'='.
                    804: 		 	         &Apache::lonnet::escape($url);
                    805: 	  }
                    806:        }
                    807: 
                    808:        for (my $i=$lastsel+1;$i<=$#curimport;$i++) {
                    809:            my ($name,$url)=split(/\=/,$curimport[$i]);
                    810:            if ($url) {
                    811:               $importdetail.='&'.$name.'='.$url;
                    812: 	  }
                    813:        }
                    814:        $importdetail=~s/\&+/\&/g;
                    815:        $importdetail=~s/^\&//;
                    816: 
                    817:        if ($ENV{'form.cut'}) {
                    818:            my @neworder=();
                    819:            for (my $i=0;$i<=$#order;$i++) {
                    820:                my $include=1;
                    821:                foreach (@targetselect) {
                    822: 		   if ($_-1==$i) { $include=0; }
                    823:                }
                    824:                if ($include) { $neworder[$#neworder+1]=$order[$i]; }
                    825:            }
                    826:            @order=@neworder;
                    827:            &storemap(&Apache::lonnet::filelocation('',$url));      
                    828:        }
                    829: 
1.20      www       830: # ----------------------------------------------------------------------- Paste
                    831:    } elsif ($ENV{'form.paste'}) {
1.24      www       832:        my $lastsel;
                    833:        if (defined($targetselect[-1])) {
                    834: 	   $lastsel=$targetselect[-1];
                    835:        } else {
                    836:            $lastsel=$#order+1;
                    837:        }
                    838:        my @newsequence;
                    839:        my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
                    840:        foreach (@importselect) {
                    841:           $newsequence[$#newsequence+1]=$curimport[$_];
                    842:        }
                    843:        &pastetarget($lastsel,@newsequence);
                    844:        &storemap(&Apache::lonnet::filelocation('',$url));
1.39      www       845: # -------------------------------------------------------------------- Move up 
                    846:    } elsif ($ENV{'form.moveup'}) {
                    847:        foreach (sort @targetselect) {
                    848:            if ($_-1>0) {
                    849:               my $movethis=$order[$_-1];
                    850:               $order[$_-1]=$order[$_-2];
                    851:               $order[$_-2]=$movethis;
                    852: 	  }
                    853:        }
                    854:        &storemap(&Apache::lonnet::filelocation('',$url));
                    855: # ------------------------------------------------------------------ Move down
                    856:    } elsif ($ENV{'form.movedown'}) {
                    857:        foreach (reverse sort @targetselect) {
                    858:            if ($_-1<$#order) {
                    859:               my $movethis=$order[$_-1];
                    860:               $order[$_-1]=$order[$_];
                    861:               $order[$_]=$movethis;
                    862: 	   }
                    863:        }
                    864:        &storemap(&Apache::lonnet::filelocation('',$url));
                    865: # --------------------------------------------------------------------- Rename
                    866:    } elsif ($ENV{'form.renameres'}) {
                    867:        my $residx=$Apache::lonratedt::order[$ENV{'form.renameidx'}-1];
                    868:        my ($name,@resrest)=split(/\:/,$Apache::lonratedt::resources[$residx]);
1.40      www       869:        $name=$ENV{'form.renametitle'};
                    870:        $name=~s/\:/\&colon\;/g;
1.41      www       871:        $Apache::lonratedt::resources[$residx]=$name.':'.join(':',@resrest);
1.39      www       872:        &storemap(&Apache::lonnet::filelocation('',$url));
1.13      www       873:    }
1.12      www       874: # ------------------------------------------------------------ Assemble windows
1.20      www       875:    
1.13      www       876:    my $idx=-1;
1.34      www       877:    $importdetail='&'.$importdetail;
                    878:    $importdetail=~s/^\&+/\&/;
1.29      www       879:    my $importwindow=
                    880:        '<option value="-1"> ---- Import and Paste Area ---- </option>'.
                    881:      join("\n",map {
1.13      www       882:        $idx++;
                    883:        if ($_) { 
1.15      www       884:           my ($name,$url)=split(/\=/,$_);
                    885:           unless ($name) { $name=(split(/\//,$url))[-1]; }
                    886:           unless ($name) { $name='EMPTY'; }
1.13      www       887:           '<option value="'.$idx.'">'.&Apache::lonnet::unescape($name).
                    888:                                     '</option>';
                    889:       }
                    890:    } split(/\&/,$importdetail));
1.12      www       891: 
1.13      www       892:    $idx=0;
1.39      www       893:    $targetdetail='';
1.29      www       894:    my $targetwindow=       
                    895:        '<option value="0"> ------- Target Edit Map ------- </option>'.
                    896:      join("\n",map { 
1.13      www       897:        my ($name,$url)=split(/\:/,$resources[$_]);
1.15      www       898:        unless ($name) {  $name=(split(/\//,$url))[-1]; }
                    899:        unless ($name) { $name='EMPTY'; }
1.13      www       900:        $targetdetail.='&'.&Apache::lonnet::escape($name).'='.
                    901: 	                  &Apache::lonnet::escape($url);
                    902:        $idx++;
1.37      www       903:        $name=~s/\&colon;/\:/g;
1.20      www       904:        '<option value="'.$idx.'">'.$name.'</option>';
1.11      www       905:    } @order);
                    906: 
1.8       www       907: # ----------------------------------------------------- Start simple RAT screen
1.32      www       908:    my $editscript=&editscript('simple');
1.34      www       909:    my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
1.3       www       910:    $r->print(<<ENDSMPHEAD);
                    911: <html>
1.6       www       912: <head>
                    913: <script>
1.15      www       914: 
1.32      www       915:    $editscript
1.19      www       916: 
                    917:    function openview(entry) {
                    918:        var url=unescape((entry.split('='))[1]);
1.20      www       919:        var parts=new Array;
                    920:        parts=url.split('&colon;');
                    921:        url=parts.join(':');
1.19      www       922:        if (url) { open(url,'cat'); }
                    923:    }
                    924: 
                    925:    function viewtarget() {
                    926:        openview((document.forms.simpleedit.targetdetail.value.split('&'))
1.34      www       927:                 [document.forms.simpleedit.target.selectedIndex]);
1.19      www       928:    }
                    929: 
                    930:    function viewimport() {
                    931:        openview((document.forms.simpleedit.curimpdetail.value.split('&'))
1.34      www       932:                 [document.forms.simpleedit.importsel.selectedIndex]);
1.19      www       933:    }
                    934: 
1.39      www       935:    function renametarget() {
                    936:        var selidx=document.forms.simpleedit.target.selectedIndex;
                    937:        var entry=(document.forms.simpleedit.targetdetail.value.split('&'))
                    938:                 [selidx];
1.41      www       939:        var oldname=unescape((entry.split('='))[0]);
                    940:        var nameparts=oldname.split('&colon;');
                    941:        oldname=unescape(nameparts.join(':'));
                    942:        nameparts=oldname.split('&#34;');
                    943:        oldname=unescape(nameparts.join('"'));
                    944:        nameparts=oldname.split('&#39;');
                    945:        oldname=unescape(nameparts.join("'"));
                    946:        newtitle=prompt('New Title',oldname);
1.39      www       947:        if (newtitle) {
                    948:            document.forms.simpleedit.renameres.value=1;
                    949:            document.forms.simpleedit.renameidx.value=selidx;
                    950:            document.forms.simpleedit.renametitle.value=newtitle;
                    951: 	   document.forms.simpleedit.submit();
                    952:        }
                    953:    }
                    954: 
1.6       www       955: </script>
                    956: </head>                 
1.34      www       957: $bodytag
1.8       www       958: $buttons
1.7       www       959: <font color=red>$errtext</font>
1.13      www       960: <form name=simpleedit method=post>
1.11      www       961: <input type=hidden name=forcesmp value=1>
1.39      www       962: <input type=hidden name=renameres value=0>
                    963: <input type=hidden name=renametitle value=''>
                    964: <input type=hidden name=renameidx value=0>
1.11      www       965: <table>
1.37      www       966:     <tr><th width="40%">Temporary Assembly Workspace</th>
1.12      www       967: <th>&nbsp;</th>
1.37      www       968: <th width="40%">File: $url</th></tr>
1.12      www       969: <tr><td bgcolor="#FFFFCC">
1.36      www       970: <input type=button onClick="javascript:groupsearch()" value="Search">
                    971: <input type=button onClick="javascript:groupimport();" value="Import">
1.15      www       972: after selected
1.14      www       973: <hr>
1.15      www       974: <input type=text size=20 name=importmap>
                    975: <input type=button 
                    976: onClick="javascript:openbrowser('simpleedit','importmap','sequence,page','')"
1.45      www       977: value="Select Map"><input type=submit name=loadmap value="Load Map"><hr>
1.14      www       978: <input type=submit name="discard" value="Discard Selected">
                    979: <input type=submit name="clear" value="Clear All">
1.12      www       980: <input type=button onClick="javascript:viewimport()" value="View">
1.16      www       981: 
1.12      www       982:     </td><td>&nbsp;</td><td bgcolor="#FFFFCC">
1.16      www       983: 
                    984: <input type=button onClick=
1.37      www       985: "javascript:impfortarget.value=1;groupsearch()" value="Search">
1.16      www       986: <input type=button onClick=
1.37      www       987: "javascript:impfortarget.value=1;groupimport();" value="Import">
1.16      www       988: after selected
1.39      www       989: <hr>
                    990: <input type=submit name="moveup" value="Move Up">
                    991: <input type=submit name="movedown" value="Move Down">
                    992: <input type=button onClick="javascript:renametarget()" value="Rename">
1.34      www       993: <hr>$targetmsg
                    994: <input type=submit name="revert" value="Revert to Last Saved">
                    995: <input type=submit name="save" value="Save">
                    996: <input type=button onClick="javascript:viewtarget()" value="View">
1.12      www       997: </td></tr>
1.16      www       998: 
1.27      www       999: <tr><td bgcolor="#FFFFCC"><select name="importsel" size=10 multiple>
1.12      www      1000: $importwindow
                   1001: </select>
1.11      www      1002: </td>
1.12      www      1003: <td bgcolor="#FFFFAA" align="center">
                   1004: Cut selected<br>
1.11      www      1005: <input type=submit name=cut value='<<<'><p>
1.12      www      1006: <hr>
1.25      www      1007: Copy selected<br>
                   1008: <input type=submit name=copy value='<--'><p>
                   1009: <hr>
1.12      www      1010: Paste after selected<br>
1.25      www      1011: <input type=submit name=paste value='-->'>
1.11      www      1012: </td>
1.27      www      1013: <td bgcolor="#FFFFCC"><select name="target" size=10 multiple>
1.11      www      1014: $targetwindow
                   1015: </select>
1.12      www      1016: </table>
1.13      www      1017: <input type=hidden name=importdetail value="">
                   1018: <input type=hidden name=curimpdetail value="$importdetail">
1.12      www      1019: <input type=hidden name=targetdetail value="$targetdetail">
1.16      www      1020: <input type=hidden name=impfortarget value="0">
1.12      www      1021: </form>
                   1022: </body></html>
1.3       www      1023: ENDSMPHEAD
                   1024: }
                   1025: 
1.11      www      1026: # ----------------------------------------------------------------- No such dir
1.4       www      1027: sub nodir {
                   1028:    my ($r,$dir)=@_;
                   1029:    $dir=~s/^\/home\/\w+\/public\_html//;
                   1030:    $r->print(<<ENDNODIR);
                   1031: <html>
                   1032: <body bgcolor='#FFFFFF'>
                   1033: <h1>No such directory: $dir</h1>
                   1034: </body>
                   1035: </html>
                   1036: ENDNODIR
                   1037: }
                   1038: 
1.8       www      1039: # ---------------------------------------------------------------- View Handler
                   1040: 
                   1041: sub viewmap {
1.17      www      1042:     my ($r,$url,$adv,$errtext)=@_;
1.34      www      1043:     $r->print('<html>'.
                   1044:      &Apache::loncommon::bodytag('Edit Content of a Map').
                   1045:      &buttons($adv));
1.10      www      1046:     if ($errtext) {
                   1047: 	$r->print($errtext.'<hr>');
                   1048:     }
1.26      www      1049:     my $idx=0;
1.34      www      1050:     $r->print('<h1>'.$url.'</h1>');
1.44      www      1051:     if ($adv) {
                   1052: 	$r->print('<p><b><font color="red">Map contents are not shown in order.</font></b></p><br />');
                   1053:     }
1.17      www      1054:     foreach (&attemptread(&Apache::lonnet::filelocation('',$url))) {
1.9       www      1055: 	if (defined($_)) {
1.26      www      1056:             $idx++;
1.9       www      1057: 	    my ($title,$url)=split(/\:/,$_);
                   1058:             $title=~s/\&colon\;/\:/g;
                   1059:             $url=~s/\&colon\;/\:/g;
1.15      www      1060:             unless ($title) { $title=(split(/\//,$url))[-1] };
                   1061:             unless ($title) { $title='<i>Empty</i>'; }
1.9       www      1062:             if ($url) {
                   1063: 		$r->print('<a href="'.&Apache::lonratsrv::qtescape($url).'">');
                   1064:             }
                   1065:             $r->print(&Apache::lonratsrv::qtescape($title));
                   1066:             if ($url) { $r->print('</a>'); }
1.28      www      1067: 	    $r->print('<br>');
1.9       www      1068:         }
                   1069:     }
1.8       www      1070:     $r->print('</body></html>');
                   1071: }
                   1072: 
1.3       www      1073: # ================================================================ Main Handler
                   1074: 
                   1075: sub handler {
                   1076:   my $r=shift;
                   1077:   $r->content_type('text/html');
                   1078:   $r->send_http_header;
                   1079: 
                   1080:   return OK if $r->header_only;
                   1081: 
                   1082:   my $url=$r->uri;
                   1083:   my $fn=&Apache::lonnet::filelocation('',$url);
                   1084: 
1.4       www      1085:   my ($dir)=($fn=~/^(.+)\/[^\/]+$/);
                   1086:   unless (-e $dir) {
                   1087:       &nodir($r,$dir);
                   1088:       return OK;
                   1089:   }
1.8       www      1090: 
                   1091: # ------------------------------------------- Determine which tools can be used
1.3       www      1092:   my $adv=0;
                   1093: 
                   1094:   unless ($ENV{'form.forcesmp'}) {
                   1095:      if ($ENV{'form.forceadv'}) {
                   1096:         $adv=1;
                   1097:      } elsif (my $fh=Apache::File->new($fn)) {
                   1098: 	 my $allmap=join('',<$fh>);
                   1099:          $adv=($allmap=~/\<map[^\>]+mode\s*\=\s*(\'|\")rat/is);
                   1100:      }
                   1101:   }
                   1102: 
1.8       www      1103:   my $errtext='';
                   1104:   my $fatal=0;
                   1105: 
                   1106: # -------------------------------------------------------------------- Load map
                   1107:   ($errtext,$fatal)=&mapread($fn,$errtext);
                   1108: 
                   1109:   if ($fatal==1) { $adv=1; }
                   1110: 
                   1111: # ----------------------------------- adv==1 now means "graphical MUST be used"
                   1112: 
                   1113:   if ($ENV{'form.forceadv'}) {
1.3       www      1114:       &ratedt($r,$url);
1.8       www      1115:   } elsif ($ENV{'form.forcesmp'}) {
1.22      www      1116:       &smpedt($r,$url,$errtext);
1.3       www      1117:   } else {
1.17      www      1118:       &viewmap($r,$url,$adv,$errtext);
1.3       www      1119:   }
1.1       www      1120:   return OK;
                   1121: }
                   1122: 
                   1123: 1;
                   1124: __END__
                   1125: 
                   1126: 
                   1127: 
                   1128: 
                   1129: 
                   1130: 
                   1131: 

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