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Up to [LON-CAPA] / loncom / interface

Bug 1405: make sure people do not accidently "remove" instead of "rename".
Visually different now, and "remove" confirmation dialog.

    1: # The LearningOnline Network
    2: # Documents
    3: #
    4: # $Id: londocs.pm,v 1.54 2003/05/01 16:13:50 www Exp $
    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: #
   28: 
   29: package Apache::londocs;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :http);
   33: use Apache::lonnet;
   34: use Apache::loncommon;
   35: use Apache::lonratedt;
   36: use Apache::lonratsrv;
   37: use Apache::lonxml;
   38: use HTML::Entities;
   39: use GDBM_File;
   40: 
   41: my $iconpath;
   42: 
   43: my %hash;
   44: 
   45: my $hashtied;
   46: my %alreadyseen=();
   47: 
   48: my $hadchanges;
   49: 
   50: # Available help topics
   51: 
   52: my %help=();
   53: 
   54: # Mapread read maps into lonratedt::global arrays 
   55: # @order and @resources, determines status
   56: # sets @order - pointer to resources in right order
   57: # sets @resources - array with the resources with correct idx
   58: #
   59: 
   60: sub mapread {
   61:     my ($coursenum,$coursedom,$map)=@_;
   62:     return
   63:       &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   64:                                 $map);
   65: }
   66: 
   67: sub storemap {
   68:     my ($coursenum,$coursedom,$map)=@_;
   69:     $hadchanges=1;
   70:     return
   71:       &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
   72:                                 $map,1);
   73: }
   74: 
   75: sub editor {
   76:     my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;
   77:     if ($ENV{'form.foldername'}) {
   78: 	$r->print('<h3>Folder: '.$ENV{'form.foldername'}.'</h3>');
   79:     }
   80:     my $errtext='';
   81:     my $fatal=0;
   82:     ($errtext,$fatal)=
   83:           &mapread($coursenum,$coursedom,$folder.'.sequence');
   84:     if ($#Apache::lonratedt::order<1) {
   85:        	$Apache::lonratedt::order[0]=1;
   86:         $Apache::lonratedt::resources[1]='';
   87:     }
   88:     if ($fatal) {
   89: 	   $r->print('<p><font color="red">'.$errtext.'</font></p>');
   90:     } else {
   91: # ------------------------------------------------------------ Process commands
   92: # ---------------- if they are for this folder and user allowed to make changes
   93: 	if (($allowed) && ($ENV{'form.folder'} eq $folder)) {
   94: # upload a file, if present
   95:            if (($ENV{'form.uploaddoc.filename'}) &&
   96:                ($ENV{'form.cmd'}=~/^upload_(\w+)/)) {
   97: 	    if ($folder=~/^$1/) {
   98: # this is for a course, not a user, so set coursedoc flag
   99: # probably the only place in the system where this should be "1"
  100: 	      my $url=&Apache::lonnet::userfileupload('uploaddoc',1);
  101:               my $ext='false';
  102:               if ($url=~/^http\:\/\//) { $ext='true'; }
  103:               $url=~s/\:/\&colon;/g;
  104: 	      my $comment=$ENV{'form.comment'};
  105:               $comment=~s/\</\&lt\;/g;
  106:               $comment=~s/\>/\&gt\;/g;
  107:               $comment=~s/\:/\&colon;/g;
  108:               if ($folder=~/^supplemental/) {
  109: 		  $comment=time.'___&&&___'.$ENV{'user.name'}.'___&&&___'.
  110: 		      $ENV{'user.domain'}.'___&&&___'.$comment;
  111:               }
  112:               my $newidx=$#Apache::lonratedt::resources+1;
  113:               $Apache::lonratedt::resources[$newidx]=
  114:                   $comment.':'.$url.':'.$ext.':normal:res';
  115:               $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=
  116:                                                               $newidx;       
  117:  	      &storemap($coursenum,$coursedom,$folder.'.sequence');
  118: 	     }
  119:             }
  120: 	    if ($ENV{'form.cmd'}) {
  121:                 my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'});
  122:                 if ($cmd eq 'del') {
  123: 		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
  124:                         $Apache::lonratedt::order[$i]=
  125:                           $Apache::lonratedt::order[$i+1];
  126:                     }
  127:                     $#Apache::lonratedt::order--;
  128:                 } elsif ($cmd eq 'up') {
  129: 		  if (($idx) && (defined($Apache::lonratedt::order[$idx-1]))) {
  130:                     my $i=$Apache::lonratedt::order[$idx-1];
  131:                     $Apache::lonratedt::order[$idx-1]=
  132: 			$Apache::lonratedt::order[$idx];
  133:                     $Apache::lonratedt::order[$idx]=$i;
  134: 		   }
  135:                 } elsif ($cmd eq 'down') {
  136: 		   if (defined($Apache::lonratedt::order[$idx+1])) {
  137:                     my $i=$Apache::lonratedt::order[$idx+1];
  138:                     $Apache::lonratedt::order[$idx+1]=
  139: 			$Apache::lonratedt::order[$idx];
  140:                     $Apache::lonratedt::order[$idx]=$i;
  141: 		   }
  142:                 } elsif ($cmd eq 'rename') {
  143:                     my ($rtitle,@rrest)=split(/\:/,
  144:                        $Apache::lonratedt::resources[
  145: 				       $Apache::lonratedt::order[$idx]]);
  146:                     my $comment=
  147:                      &HTML::Entities::decode($ENV{'form.title'});
  148:                     $comment=~s/\</\&lt\;/g;
  149:                     $comment=~s/\>/\&gt\;/g;
  150:                     $comment=~s/\:/\&colon;/g;
  151:                     $Apache::lonratedt::resources[
  152: 				       $Apache::lonratedt::order[$idx]]=
  153:                              $comment.':'.join(':',@rrest);
  154:                     
  155:                 }
  156: # Store the changed version
  157: 		&storemap($coursenum,$coursedom,$folder.'.sequence');
  158:             }
  159: # Group import/search
  160: 	    if ($ENV{'form.importdetail'}) {
  161:                foreach (split(/\&/,$ENV{'form.importdetail'})) {
  162:                   if (defined($_)) {
  163: 	             my ($name,$url)=split(/\=/,$_);
  164:                      $name=&Apache::lonnet::unescape($name);
  165:                      $url=&Apache::lonnet::unescape($url);
  166:                      if ($url) {
  167: 	                my $idx=$#Apache::lonratedt::resources+1;
  168:                         $Apache::lonratedt::order
  169:                            [$#Apache::lonratedt::order+1]=$idx;
  170:                         my $ext='false';
  171:                         if ($url=~/^http\:\/\//) { $ext='true'; }
  172:                         $url=~s/\:/\&colon;/g;
  173:                         $name=~s/\:/\&colon;/g;
  174:                         $Apache::lonratedt::resources[$idx]=
  175:                            $name.':'.$url.':'.$ext.':normal:res';
  176: 	             }
  177:                  }
  178: 	      }
  179: # Store the changed version
  180: 		&storemap($coursenum,$coursedom,$folder.'.sequence');
  181:             }
  182: # Loading a complete map
  183: 	   if (($ENV{'form.importmap'}) && ($ENV{'form.loadmap'})) {
  184:               foreach
  185: (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) {
  186:                    my $idx=$#Apache::lonratedt::resources;
  187:                    $idx++;
  188:                    $Apache::lonratedt::resources[$idx]=$_;
  189:                    $Apache::lonratedt::order
  190:                             [$#Apache::lonratedt::order+1]=$idx;
  191:                 }
  192: 
  193: # Store the changed version
  194: 		&storemap($coursenum,$coursedom,$folder.'.sequence');
  195:            }
  196:        }
  197: # ---------------------------------------------------------------- End commands
  198: # ---------------------------------------------------------------- Print screen
  199:         my $idx=0;
  200:         $r->print('<table>');
  201:         foreach (@Apache::lonratedt::order) {
  202:            my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
  203:            unless ($name) {  $name=(split(/\//,$url))[-1]; }
  204:            unless ($name) { $name='NO RESOURCE'; $url='/adm/notfound.html'; }
  205:            $r->print(&entryline($idx,$name,$url,$folder,$allowed,$_));
  206:            $idx++;
  207:         }
  208:         $r->print('</table>');
  209:     }
  210: }
  211: 
  212: # --------------------------------------------------------------- An entry line
  213: 
  214: sub entryline {
  215:     my ($index,$title,$url,$folder,$allowed,$residx)=@_;
  216:     $title=~s/\&colon\;/\:/g;
  217:     $title=&HTML::Entities::encode(&HTML::Entities::decode(
  218:      &Apache::lonnet::unescape($title)),'\"\<\>\&\'');
  219:     my $renametitle=$title;
  220:     my $foldertitle=$title;
  221:     if ($title=~
  222:  /^(\d+)\_\_\_\&amp\;\&amp\;\&amp\;\_\_\_(\w+)\_\_\_\&amp\;\&amp\;\&amp\;\_\_\_(\w+)\_\_\_\&amp\;\&amp\;\&amp\;\_\_\_(.*)$/
  223: 	) { 
  224:             $foldertitle=&Apache::lontexconvert::msgtexconverted($4);
  225:             $renametitle=$4;
  226:             $title='<i>'.localtime($1).'</i> '.
  227:                 &Apache::loncommon::plainname($2,$3).': <br>'.
  228: 		$foldertitle;
  229: 	}
  230:     $renametitle=~s/\&quot\;/\\\"/g;
  231:     my $line='<tr>';
  232: # Edit commands
  233:     if ($allowed) {
  234:        $line.=(<<END);
  235: <td><table border='0' cellspacing='2' cellpadding='0'>
  236: <tr><td bgcolor="#DDDDDD">
  237: <a href='/adm/coursedocs?folder=$folder&cmd=up_$index'>
  238: <img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
  239: <tr><td bgcolor="#DDDDDD">
  240: <a href='/adm/coursedocs?folder=$folder&cmd=down_$index'>
  241: <img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
  242: </table></td><td bgcolor="#DDDDDD">
  243: <a href='javascript:removeres("$folder","$index","$renametitle");'>
  244: <font size="-2" color="#990000">Remove</font></a>
  245: <a href='javascript:changename("$folder","$index","$renametitle");'>
  246: <font size="-2" color="#009900">Rename</font></a></td>
  247: END
  248:     }
  249: # Figure out what kind of a resource this is
  250:     my ($extension)=($url=~/\.(\w+)$/);
  251:     my $uploaded=($url=~/^\/*uploaded\//);
  252:     my $icon='unknown';
  253:     if (-e "/home/httpd/html/adm/lonIcons/$extension.gif") {
  254: 	$icon=$extension;
  255:     }
  256:     my $isfolder=0;
  257:     if ($uploaded) {
  258:        if ($extension eq 'sequence') {
  259: 	  $icon='folder_closed';
  260:           $url=~/\/(\w+)\.sequence/;
  261:           $url='/adm/coursedocs?folder='.$1;
  262:           $isfolder=1;
  263:        } else {
  264: 	  $url=&Apache::lonnet::tokenwrapper($url);
  265:        } 
  266:     }
  267:     $url=~s/^http\&colon\;\/\//\/adm\/wrapper\/ext\//;
  268:     if ($residx) {
  269:        $url.=(($url=~/\?/)?'&':'?').'symb='.
  270:        &Apache::lonnet::escape(&Apache::lonnet::symbclean(
  271:           &Apache::lonnet::declutter('uploaded/'.
  272:            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.'/'.
  273:            $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.'/'.$folder.
  274:            '.sequence').
  275:            '___'.$residx.'___'.
  276: 	   &Apache::lonnet::declutter($url)));
  277:     }
  278:     if ($isfolder) { $url.='&foldername='.
  279:        &Apache::lonnet::escape($foldertitle); }
  280:     $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'" target="cat_'.$folder.
  281: '"><img src="/adm/lonIcons/'.
  282:         $icon.'.gif" border="0"></a></td>'.
  283:         "<td bgcolor='#FFFFBB'><a href='$url' target='cat_$folder'>$title</a></td></tr>";
  284:     return $line;
  285: }
  286: 
  287: # ---------------------------------------------------------------- tie the hash
  288: 
  289: sub tiehash {
  290:     $hashtied=0;
  291:     if ($ENV{'request.course.fn'}) {
  292:         if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",
  293:             &GDBM_READER(),0640)) {
  294:                 $hashtied=1;
  295:         }
  296:     }    
  297: }
  298: 
  299: sub untiehash {
  300:     if ($hashtied) { untie %hash; }
  301:     $hashtied=0;
  302: }
  303: 
  304: # --------------------------------------------------------------- check on this
  305: 
  306: sub checkonthis {
  307:     my ($r,$url,$level,$title)=@_;
  308:     $alreadyseen{$url}=1;
  309:     $r->rflush();
  310:     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
  311:        $r->print('<br />');
  312:        for (my $i=0;$i<=$level*5;$i++) {
  313:            $r->print('&nbsp;');
  314:        }
  315:        $r->print('<a href="'.$url.'" target="cat">'.
  316: 		 ($title?$title:$url).'</a> ');
  317:        if ($url=~/^\/res\//) {
  318: 	  my $result=&Apache::lonnet::repcopy(
  319:                               &Apache::lonnet::filelocation('',$url));
  320:           if ($result==OK) {
  321:              $r->print('<font color="green">ok</font>');
  322:              $r->rflush();
  323:              &Apache::lonnet::countacc($url);
  324:              $url=~/\.(\w+)$/;
  325:              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
  326: 		 $r->print('<br />');
  327:                  $r->rflush();
  328:                  for (my $i=0;$i<=$level*5;$i++) {
  329:                      $r->print('&nbsp;');
  330:                  }
  331:                  $r->print('- Rendering: ');
  332:                  &Apache::lonxml::xmlparse($r,'web',
  333:                    &Apache::lonnet::getfile(
  334:                     &Apache::lonnet::filelocation('',$url)));
  335:                  if (($Apache::lonxml::errorcount) ||
  336:                      ($Apache::lonxml::warningcount)) {
  337: 		     if ($Apache::lonxml::errorcount) {
  338:                         $r->print('<font color="red"><b>'.
  339: 			  $Apache::lonxml::errorcount.' error(s)</b></font> ');
  340:                      }
  341: 		     if ($Apache::lonxml::warningcount) {
  342:                         $r->print('<font color="blue">'.
  343: 			  $Apache::lonxml::warningcount.' warning(s)</font>');
  344:                      }
  345:                  } else {
  346:                      $r->print('<font color="green">ok</font>');
  347:                  }
  348:                  $r->rflush();
  349:              }
  350: 	     my $dependencies=
  351:                 &Apache::lonnet::metadata($url,'dependencies');
  352:              foreach (split(/\,/,$dependencies)) {
  353: 		 if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
  354:                     &checkonthis($r,$_,$level+1);
  355:                  }
  356:              }
  357:           } elsif ($result==HTTP_SERVICE_UNAVAILABLE) {
  358:              $r->print('<font color="red"><b>connection down</b></font>');
  359:           } elsif ($result==HTTP_NOT_FOUND) {
  360:              $r->print('<font color="red"><b>not found</b></font>');
  361:           } else {
  362:              $r->print('<font color="red"><b>access denied</b></font>');
  363:           }
  364:       }
  365:    }
  366: }
  367: 
  368: # ================================================================ Main Handler
  369: sub handler {
  370:     my $r = shift;
  371:     $r->content_type('text/html');
  372:     $r->send_http_header;
  373:     return OK if $r->header_only;
  374: 
  375: # --------------------------------------------- Initialize help topics for this
  376:   foreach ('Adding_Course_Doc','Main_Course_Documents',
  377:            'Adding_External_Resource','Navigate_Content',
  378:            'Adding_Folders','Docs_Overview',
  379:            'Creating_From_Template','Supplemental',
  380:            'Importing_LON-CAPA_Resource','Uploading_From_Harddrive') {
  381:       $help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
  382:   }
  383: 
  384:   if ($ENV{'form.verify'}) {
  385:  
  386:    my $loaderror=&Apache::lonnet::overloaderror($r);
  387:    if ($loaderror) { return $loaderror; }
  388: 
  389:    $r->print('<html><head><title>Verify Content</title></head>'.
  390:               &Apache::loncommon::bodytag('Verify Course Documents'));
  391:    $hashtied=0;
  392:    undef %alreadyseen;
  393:    %alreadyseen=();
  394:    &tiehash();
  395:    foreach (keys %hash) {
  396:        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) {
  397:            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
  398:        }
  399:    }
  400:    &untiehash();
  401:   } elsif ($ENV{'form.versions'}) {
  402:     $r->print('<html><head><title>Check Versions</title></head>'.
  403:               &Apache::loncommon::bodytag('Check Course Document Versions'));
  404:    $hashtied=0;
  405:    &tiehash();
  406:    my %changes=&Apache::lonnet::dump
  407:     ('versionupdate',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
  408:                      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
  409:    my $firstkey=(keys %changes)[0];
  410:    unless ($firstkey=~/^error\:/) {
  411:        unless ($ENV{'form.timerange'}) {
  412: 	   $ENV{'form.timerange'}=604800;
  413:        }
  414:        my $seltext='during the last '.$ENV{'form.timerange'}.' seconds';
  415:        my $startsel='';
  416:        my $monthsel='';
  417:        my $weeksel='';
  418:        my $daysel='';
  419:        if ($ENV{'form.timerange'}==-1) {
  420: 	   $seltext='since start of course';
  421:            $startsel='selected';
  422:            $ENV{'form.timerange'}=time;
  423:        }
  424:        my $starttime=time-$ENV{'form.timerange'};
  425:        if ($ENV{'form.timerange'}==2592000) {
  426:            $seltext='during the last month ('.localtime($starttime).')';
  427:            $monthsel='selected';
  428:        } elsif ($ENV{'form.timerange'}==604800) {
  429:            $seltext='during the last week ('.localtime($starttime).')';
  430:            $weeksel='selected';
  431:        } elsif ($ENV{'form.timerange'}==86400) {
  432:            $seltext='since yesterday ('.localtime($starttime).')';
  433:            $daysel='selected';
  434:        }
  435:  
  436:        $r->print(<<ENDHEADERS);
  437: <form action="/adm/coursedocs" method="post">
  438: <select name="timerange">
  439: <option value="-1" $startsel>Since Start of Course</option>
  440: <option value="2592000" $monthsel>Last Month</option>
  441: <option value="604800" $weeksel>Last Week</option>
  442: <option value="86400" $daysel>Since Yesterday</option>
  443: </select>
  444: <input type="submit" name="versions" value="Display" />
  445: </form>
  446: <h3>Content changed $seltext</h3>
  447: <table border="2">
  448: <tr>
  449: <th>File</th><th>Modification Date</th>
  450: <th>Version</th><th>Differences</th></tr>
  451: ENDHEADERS
  452:        foreach (keys %changes) {
  453: 	  if ($changes{$_}>$starttime) {
  454: 	     my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
  455:              my $currentversion=&Apache::lonnet::getversion($_);
  456:              my $linkurl=&Apache::lonnet::clutter($_);
  457:              $r->print(
  458:                  '<tr><td><a href="'.$linkurl.'" target="cat">'.$linkurl.
  459:                  '</a></td><td>'.
  460:                  localtime($changes{$_}).'</td><td>'.$currentversion.'</td>'.
  461: 		       '<td>');
  462:              my $lastold=1;
  463:              for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
  464:                  my $url=$root.'.'.$prevvers.'.'.$extension;
  465:                  if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
  466:                                                              $starttime) {
  467:                      $lastold=$prevvers;
  468:                  }
  469:              }
  470:             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
  471:                  my $url=$root.'.'.$prevvers.'.'.$extension;
  472:                  $r->print('<a href="'.&Apache::lonnet::clutter($url).
  473:                    '">Version '.$prevvers.' ('.
  474:                  localtime(&Apache::lonnet::metadata($url,'lastrevisiondate')).
  475:                  ')</a>');
  476:                  if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
  477:                     $r->print(' <a href="/adm/diff?filename='.
  478:                             &Apache::lonnet::clutter($root.'.'.$extension).
  479:                             '&versionone='.$prevvers.
  480: 			     '">Diffs</a>');
  481:                  }
  482:                  $r->print('<br />');
  483:              }
  484:              $r->print('</td></tr>');
  485:           }
  486:        }
  487:        $r->print('</table>');
  488:    } else {
  489:        $r->print('<p>No content modifications yet.</p>');
  490:    }
  491:    &untiehash();
  492:   } else {
  493: # is this a standard course?
  494: 
  495:     my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
  496:     my $forcestandard;
  497:     my $forcesupplement;
  498:     my $script='';
  499:     my $allowed;
  500:     my $events='';
  501:     my $buttons='';
  502:     my $showdoc=0;
  503:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  504:        ['folder','foldername']);
  505:     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
  506:        $showdoc=$1;
  507:     }
  508:     unless ($showdoc) { # got called from remote
  509:        $forcestandard=($ENV{'form.folder'}=~/^default_/);
  510:        $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);
  511: 
  512: # does this user have privileges to post, etc?
  513:        $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
  514:        if ($allowed) { 
  515:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
  516:          $script=&Apache::lonratedt::editscript('simple'); 
  517:        }
  518:     } else { # got called in sequence from course
  519:        $allowed=0;
  520:        $script='</script>'.&Apache::lonmenu::registerurl(1,undef).'<script>';
  521:        $events='onLoad="'.&Apache::lonmenu::loadevents.
  522:            '" onUnload="'.&Apache::lonmenu::unloadevents.'"';
  523:        $buttons=&Apache::lonmenu::menubuttons(1,undef);
  524:     }
  525: 
  526: # get course data
  527:     my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
  528:     my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
  529: 
  530: # get personal data
  531:  
  532:     my $uname=$ENV{'user.name'};
  533:     my $udom=$ENV{'user.domain'};
  534:     my $plainname=&Apache::lonnet::escape(
  535:                      &Apache::loncommon::plainname($uname,$udom));
  536: 
  537: # graphics settings
  538: 
  539:     $iconpath = $r->dir_config('lonIconsURL') . "/";
  540: 
  541:     my $now=time;
  542: 
  543: # print screen
  544:     $r->print(<<ENDDOCUMENT);
  545: <html>
  546: <head>
  547: <title>The LearningOnline Network with CAPA</title>
  548: <script>
  549: $script
  550: </script>
  551: ENDDOCUMENT
  552:    if ($allowed) {
  553:     $r->print(<<ENDNEWSCRIPT);
  554: <script>
  555: function makenewfolder(targetform,folderseq) {
  556:     var foldername=prompt('Name of New Folder','New Folder');
  557:     if (foldername) {
  558: 	targetform.importdetail.value=foldername+"="+folderseq;
  559:         targetform.submit();
  560:     }
  561: }
  562: 
  563: function makenewext(targetname) {
  564:     this.document.forms.extimport.useform.value=targetname;
  565:     window.open('/adm/rat/extpickframe.html');
  566: }
  567: 
  568: function makesmppage() {
  569:    var title=prompt('Listed Title for the Page');
  570:    if (title) { 
  571:     this.document.forms.newsmppg.importdetail.value=
  572: 	title+'=/adm/$udom/$uname/$now/smppg';
  573:     this.document.forms.newsmppg.submit();
  574:    }
  575: }
  576: 
  577: function makebulboard() {
  578:    var title=prompt('Listed Title for the Bulletin Board');
  579:    if (title) {
  580:     this.document.forms.newbul.importdetail.value=
  581: 	title+'=/adm/$udom/$uname/$now/bulletinboard';
  582:     this.document.forms.newbul.submit();
  583:    }
  584: }
  585: 
  586: function finishpick() {
  587:     var title=this.document.forms.extimport.title.value;
  588:     var url=this.document.forms.extimport.url.value;
  589:     var form=this.document.forms.extimport.useform.value;
  590:     eval
  591:      ('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+
  592:     '";this.document.forms.'+form+'.submit();');
  593: }
  594: 
  595: function changename(folder,index,oldtitle) {
  596:     var title=prompt('New Title',oldtitle);
  597:     if (title) {
  598: 	this.document.forms.renameform.title.value=title;
  599: 	this.document.forms.renameform.cmd.value='rename_'+index;
  600: 	this.document.forms.renameform.folder.value=folder;
  601:         this.document.forms.renameform.submit();
  602:     }
  603: }
  604: 
  605: function removeres(folder,index,oldtitle) {
  606:     if (confirm('Remove "'+oldtitle+'"?')) {
  607: 	this.document.forms.renameform.cmd.value='del_'+index;
  608: 	this.document.forms.renameform.folder.value=folder;
  609:         this.document.forms.renameform.submit();
  610:     }
  611: }
  612: </script>
  613: 
  614: ENDNEWSCRIPT
  615:   }
  616: # -------------------------------------------------------------------- Body tag
  617:   $r->print('</head>'.
  618:             &Apache::loncommon::bodytag('Course Documents','',$events).
  619:             $buttons);
  620:   unless ($showdoc) {
  621:     if ($allowed) {
  622:        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
  623: 		     'Editing the Table of Contents for your Course'));
  624:        $r->print(<<ENDCOURSEVERIFY);
  625: <form name="renameform" method="post" action="/adm/coursedocs">
  626: <input type="hidden" name="title" />
  627: <input type="hidden" name="cmd" />
  628: <input type="hidden" name="folder" />
  629: </form>
  630: <form name="simpleedit" method="post" action="/adm/coursedocs">
  631: <input type=hidden name="importdetail" value="">
  632: <input type="hidden" name="folder" />
  633: </form>
  634: <form action="/adm/coursedocs" method="post" name="courseverify">
  635: <input type="submit" name="verify" value="Verify Content" />
  636: <input type="submit" name="versions" value="Check Resource Versions" />
  637: </form>
  638: ENDCOURSEVERIFY
  639:     }
  640: # --------------------------------------------------------- Standard documents
  641:     $r->print('<table border=2 cellspacing=4 cellpadding=4>');
  642:     if (($standard) && ($allowed) && (!$forcesupplement)) {
  643:        $r->print('<tr><td bgcolor="#BBBBBB"><h2>Main Course Documents'.
  644:   ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
  645:        my $folder=$ENV{'form.folder'};
  646:        unless ($folder=~/^default/) { $folder='default'; }
  647:        my $postexec='';
  648:        if ($folder eq 'default') {
  649: 	   $r->print('<script>this.window.name="loncapaclient";</script>');
  650:        } else {
  651:            $postexec='self.close();';
  652:        }
  653:        $hadchanges=0;
  654:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
  655:        if ($hadchanges) {
  656: 	   $r->print(
  657: '<script>function reinit(tf) { tf.submit();'.$postexec.' }</script>'. 
  658: '<form method="post" action="/adm/roles" target="loncapaclient">'.
  659: '<input type="hidden" name="orgurl" value="/adm/coursedocs" /><input type="hidden" name="selectrole" value="1" /><h3><font color="red">Changes will become active for your current session after <input type="hidden" name="'.
  660: $ENV{'request.role'}.'" value="1" /><input type="button" value="re-initializing course" onClick="reinit(this.form)"/>, or the next time you log in.</font></h3></form>');
  661:        }
  662:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
  663:                      '.sequence';
  664: 
  665:        $r->print(<<ENDFORM);
  666: <table cellspacing=4 cellpadding=4><tr>
  667: <th bgcolor="#DDDDDD">Upload a new main course document</th>
  668: <th bgcolor="#DDDDDD">Import a published document</th>
  669: <th bgcolor="#DDDDDD">Special documents</th>
  670: </tr>
  671: <tr><td bgcolor="#DDDDDD">
  672: File:<br />
  673: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
  674: <input type="file" name="uploaddoc" size="50">
  675: <br />
  676: Title:<br /> 
  677: <input type="text" size="50" name="comment">
  678: <input type="hidden" name="folder" value="$folder">
  679: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  680: <input type="hidden" name="cmd" value="upload_default">
  681: <input type="submit" value="Upload Document">
  682:  $help{'Uploading_From_Harddrive'}</form>
  683: </td>
  684: <td bgcolor="#DDDDDD">
  685: <form action="/adm/coursedocs" method="post" name="simpleeditdefault">
  686: <input type="hidden" name="folder" value="$folder">
  687: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  688: <input type=button onClick=
  689: "javascript:document.forms.simpleedit.folder.value='$folder';groupsearch()" value="Search">
  690: <input type=button onClick=
  691: "javascript:document.forms.simpleedit.folder.value='$folder';groupimport();" value="Import">
  692: $help{'Importing_LON-CAPA_Resource'}<br />
  693: <input type="text" size="20" name="importmap">
  694: <input type=button 
  695: onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
  696: value="Browse"><input type="submit" name="loadmap" value="Load Map">
  697: </form>
  698: </td><td bgcolor="#DDDDDD">
  699: <form action="/adm/coursedocs" method="post" name="newfolder">
  700: <input type="hidden" name="folder" value="$folder">
  701: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  702: <input type=hidden name="importdetail" value="">
  703: <input name="newfolder" type="button"
  704: onClick="javascript:makenewfolder(this.form,'$folderseq');"
  705: value="New Folder" /> $help{'Adding_Folders'}
  706: </form>
  707: <form action="/adm/coursedocs" method="post" name="newext">
  708: <input type="hidden" name="folder" value="$folder">
  709: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  710: <input type=hidden name="importdetail" value="">
  711: <input name="newext" type="button" onClick="javascript:makenewext('newext');"
  712: value="External Resource" /> $help{'Adding_External_Resource'}
  713: </form>
  714: <form action="/adm/coursedocs" method="post" name="newsyl">
  715: <input type="hidden" name="folder" value="$folder">
  716: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  717: <input type=hidden name="importdetail" 
  718: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
  719: <input name="newsyl" type="submit" value="Syllabus" /> 
  720:  $help{'Creating_From_Template'}</form>
  721: <form action="/adm/coursedocs" method="post" name="newnav">
  722: <input type="hidden" name="folder" value="$folder">
  723: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  724: <input type=hidden name="importdetail" 
  725: value="Navigate Content=/adm/navmaps">
  726: <input name="newnav" type="submit" value="Navigate Content" />
  727: $help{'Navigate_Content'}
  728: </form>
  729: <form action="/adm/coursedocs" method="post" name="newsmppg">
  730: <input type="hidden" name="folder" value="$folder">
  731: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  732: <input type=hidden name="importdetail" value="">
  733: <input name="newsmppg" type="button" value="Simple Page"
  734: onClick="javascript:makesmppage();" /> $help{'Creating_From_Template'}
  735: </form>
  736: <form action="/adm/coursedocs" method="post" name="newbul">
  737: <input type="hidden" name="folder" value="$folder">
  738: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  739: <input type=hidden name="importdetail" value="">
  740: <input name="newbulletin" type="button" value="Bulletin Board"
  741: onClick="javascript:makebulboard();" />
  742: $help{'Creating_From_Template'}</form>
  743: <form action="/adm/coursedocs" method="post" name="newaboutme">
  744: <input type="hidden" name="folder" value="$folder">
  745: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  746: <input type=hidden name="importdetail" 
  747: value="$plainname=/adm/$udom/$uname/aboutme">
  748: <input name="newaboutme" type="submit" value="My Personal Info" />
  749: $help{'Creating_From_Template'}</form>
  750: </td></tr>
  751: </table>
  752: ENDFORM
  753:        $r->print('</td></tr>');
  754:     }
  755: # ----------------------------------------------------- Supplemental documents
  756:     if (!$forcestandard) {
  757:        $r->print(
  758:   '<tr><td bgcolor="#BBBBBB"><h2>Supplemental Course Documents'.
  759:   ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
  760:        my $folder=$ENV{'form.folder'};
  761:        unless ($folder=~/supplemental/) { $folder='supplemental'; }
  762:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
  763:        if ($allowed) {
  764:        my $folderseq=
  765:                   '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
  766:                      '.sequence';
  767: 
  768:           $r->print(<<ENDSUPFORM);
  769: <table cellspacing=4 cellpadding=4><tr>
  770: <th bgcolor="#DDDDDD">Upload a new supplemental course document</th>
  771: <th bgcolor="#DDDDDD">Import a published document</th>
  772: <th bgcolor="#DDDDDD">Special documents</th>
  773: </tr>
  774: <tr><td bgcolor="#DDDDDD">
  775: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
  776: <input type="file" name="uploaddoc" size="50">
  777: <br />Comment:<br />
  778: <textarea cols=50 rows=4 name='comment'>
  779: </textarea>
  780: <input type="hidden" name="folder" value="$folder">
  781: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  782: <input type="hidden" name="cmd" value="upload_supplemental">
  783: <input type="submit" value="Upload Document">
  784:  $help{'Uploading_From_Harddrive'}</form>
  785: </td>
  786: <td bgcolor="#DDDDDD">
  787: <form action="/adm/coursedocs" method="post" name="simpleeditsupplement">
  788: <input type="hidden" name="folder" value="$folder">
  789: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  790: <input type=hidden name="importdetail" value="">
  791: <input type=button onClick=
  792: "javascript:document.forms.simpleedit.folder.value='$folder';groupsearch()" value="Search">
  793: <input type=button onClick=
  794: "javascript:document.forms.simpleedit.folder.value='$folder';groupimport();" value="Import">$help{'Importing_LON-CAPA_Resource'}
  795: <br />
  796: <input type="text" size="20" name="importmap">
  797: <input type=button 
  798: onClick="javascript:openbrowser('simpleeditsupplement','importmap','sequence,page','')"
  799: value="Browse"><input type="submit" name="loadmap" value="Load Map">
  800: </form>
  801: </td><td bgcolor="#DDDDDD">
  802: <form action="/adm/coursedocs" method="post" name="supnewfolder">
  803: <input type="hidden" name="folder" value="$folder">
  804: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  805: <input type=hidden name="importdetail" value="">
  806: <input name="newfolder" type="button"
  807: onClick="javascript:makenewfolder(this.form,'$folderseq');"
  808: value="New Folder" /> $help{'Adding_Folders'}
  809: </form>
  810: <form action="/adm/coursedocs" method="post" name="supnewext">
  811: <input type="hidden" name="folder" value="$folder">
  812: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  813: <input type=hidden name="importdetail" value="">
  814: <input name="newext" type="button" 
  815: onClick="javascript:makenewext('supnewext');"
  816: value="External Resource" /> $help{'Adding_External_Resource'}
  817: </form>
  818: <form action="/adm/coursedocs" method="post" name="supnewsyl">
  819: <input type="hidden" name="folder" value="$folder">
  820: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  821: <input type=hidden name="importdetail" 
  822: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
  823: <input name="newsyl" type="submit" value="Syllabus" />
  824: $help{'Creating_From_Template'}</form>
  825: <form action="/adm/coursedocs" method="post" name="subnewaboutme">
  826: <input type="hidden" name="folder" value="$folder">
  827: <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">
  828: <input type=hidden name="importdetail" 
  829: value="$plainname=/adm/$udom/$uname/aboutme">
  830: <input name="newaboutme" type="submit" value="My Personal Info" />
  831: $help{'Creating_From_Template'}</form>
  832: </td></tr>
  833: </table></td></tr>
  834: ENDSUPFORM
  835:        }
  836:     }
  837:     if ($allowed) {
  838: 	$r->print('<form name="extimport"><input type="hidden" name="title"><input type="hidden" name="url"><input type="hidden" name="useform"></form>');
  839:     }
  840:     $r->print('</table>');
  841:   } else {
  842: # -------------------------------------------------------- This is showdoc mode
  843:       $r->print("<h1>Uploaded Document</h1><p>It is recommended that you use an up-to-date virus scanner before handling this file.</p><p><table>".
  844:          &entryline(0,"Click to download or use your browser's Save Link function",$showdoc).'</table></p>');
  845:   }
  846:  }
  847:  $r->print('</body></html>');
  848:  return OK;
  849: } 
  850: 
  851: 1;
  852: __END__