Diff for /loncom/interface/londocs.pm between versions 1.119 and 1.326

version 1.119, 2004/04/24 23:03:49 version 1.326, 2009/01/28 11:51:22
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network
 # Documents  # Documents
 #  #
 # $Id$  # $Id$
 #  #
 # Copyright Michigan State University Board of Trustees  # Copyright Michigan State University Board of Trustees
 #  #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).  # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
 #  #
 # LON-CAPA is free software; you can redistribute it and/or modify  # LON-CAPA is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by  # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or  # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.  # (at your option) any later version.
 #  #
 # LON-CAPA is distributed in the hope that it will be useful,  # LON-CAPA is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of  # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.  # GNU General Public License for more details.
 #  #
 # You should have received a copy of the GNU General Public License  # You should have received a copy of the GNU General Public License
 # along with LON-CAPA; if not, write to the Free Software  # along with LON-CAPA; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #  #
 # /home/httpd/html/adm/gpl.txt  # /home/httpd/html/adm/gpl.txt
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
   
 package Apache::londocs;  
   
 use strict;  package Apache::londocs;
 use Apache::Constants qw(:common :http);  
 use Apache::lonnet;  use strict;
 use Apache::loncommon;  use Apache::Constants qw(:common :http);
 use Apache::lonratedt;  use Apache::imsexport;
 use Apache::lonratsrv;  use Apache::lonnet;
 use Apache::lonxml;  use Apache::loncommon;
 use Apache::loncreatecourse;  use LONCAPA::map();
 use HTML::Entities;  use Apache::lonratedt();
 use GDBM_File;  use Apache::lonxml;
 use Apache::lonlocal;  use Apache::lonclonecourse;
   use Apache::lonnavmaps;
 my $iconpath;  use HTML::Entities;
   use GDBM_File;
 my %hash;  use Apache::lonlocal;
   use Cwd;
 my $hashtied;  use LONCAPA qw(:DEFAULT :match);
 my %alreadyseen=();  
   my $iconpath;
 my $hadchanges;  
   my %hash;
 # Available help topics  
   my $hashtied;
 my %help=();  my %alreadyseen=();
   
 # Mapread read maps into lonratedt::global arrays   my $hadchanges;
 # @order and @resources, determines status  
 # sets @order - pointer to resources in right order  
 # sets @resources - array with the resources with correct idx  my %help=();
 #  
   
 sub mapread {  sub mapread {
     my ($coursenum,$coursedom,$map)=@_;      my ($coursenum,$coursedom,$map)=@_;
     return      return
       &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.        &LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
                                 $map);       $map);
 }  }
   
 sub storemap {  sub storemap {
     my ($coursenum,$coursedom,$map)=@_;      my ($coursenum,$coursedom,$map)=@_;
     my ($outtext,$errtext)=      my ($outtext,$errtext)=
       &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.        &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
                                 $map,1);        $map,1);
     if ($errtext) { return ($errtext,2); }      if ($errtext) { return ($errtext,2); }
          
     $hadchanges=1;      $hadchanges=1;
     return ($errtext,0);      return ($errtext,0);
 }  }
   
 # ----------------------------------------- Return hash with valid author names  
   
 sub authorhosts {  sub authorhosts {
     my %outhash=();      my %outhash=();
     my $home=0;      my $home=0;
     my $other=0;      my $other=0;
     foreach (keys %ENV) {      foreach my $key (keys(%env)) {
  if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {   if ($key=~/^user\.role\.(au|ca)\.(.+)$/) {
     my $role=$1;      my $role=$1;
     my $realm=$2;      my $realm=$2;
     my ($start,$end)=split(/\./,$ENV{$_});      my ($start,$end)=split(/\./,$env{$key});
     if (($start) && ($start>time)) { next; }      if (($start) && ($start>time)) { next; }
     if (($end) && (time>$end)) { next; }      if (($end) && (time>$end)) { next; }
     my $ca; my $cd;      my ($ca,$cd);
     if ($1 eq 'au') {      if ($1 eq 'au') {
  $ca=$ENV{'user.name'};   $ca=$env{'user.name'};
  $cd=$ENV{'user.domain'};   $cd=$env{'user.domain'};
     } else {      } else {
  ($cd,$ca)=($realm=~/^\/(\w+)\/(\w+)$/);   ($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/);
     }      }
     my $allowed=0;      my $allowed=0;
     my $myhome=&Apache::lonnet::homeserver($ca,$cd);      my $myhome=&Apache::lonnet::homeserver($ca,$cd);
     my @ids=&Apache::lonnet::current_machine_ids();      my @ids=&Apache::lonnet::current_machine_ids();
     foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }      foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
     if ($allowed) {      if ($allowed) {
  $home++;   $home++;
  $outhash{'home_'.$ca.'@'.$cd}=1;   $outhash{'home_'.$ca.'@'.$cd}=1;
     } else {      } else {
  $outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;   $outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
  $other++;   $other++;
     }      }
  }   }
     }      }
     return ($home,$other,%outhash);      return ($home,$other,%outhash);
 }  }
 # ------------------------------------------------------ Generate "dump" button  
   
 sub dumpbutton {  sub dumpbutton {
     my ($home,$other,%outhash)=&authorhosts();      my ($home,$other,%outhash)=&authorhosts();
     if ($home+$other==0) { return ''; }      my $type = &Apache::loncommon::course_type();
     my $output='</td><td bgcolor="#DDDDCC">';      if ($home+$other==0) { return ''; }
     if ($home) {      if ($home) {
  return '</td><td bgcolor="#DDDDCC">'.   return '<div>'.
     '<input type="submit" name="dumpcourse" value="'.      '<input type="submit" name="dumpcourse" value="'.
     &mt('Dump Course DOCS to Construction Space').'" />';      &mt('Dump '.$type.' DOCS to Construction Space').'" />'.
     } else {      &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs').
  return'</td><td bgcolor="#DDDDCC">'.      '</div>';
      &mt('Dump Course DOCS to Construction Space: available on other servers');      } else {
     }   return '<div>'.
 }       &mt('Dump '.$type.
    ' DOCS to Construction Space: available on other servers').
 # -------------------------------------------------------- Actually dump course   '</div>';
       }
 sub dumpcourse {  }
     my $r=shift;  
     $r->print('<html><head><title>Dump DOCS</title></head>'.  sub clean {
         &Apache::loncommon::bodytag('Dump Course DOCS to Construction Space').      my ($title)=@_;
       '<form name="dumpdoc" method="post">');      $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
     my ($home,$other,%outhash)=&authorhosts();      return $title;
     unless ($home) { return ''; }  }
     my $origcrsid=$ENV{'request.course.id'};  
     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);  
     if (($ENV{'form.authorspace'}) && ($ENV{'form.authorfolder'}=~/\w/)) {  
 # Do the dumping  sub dumpcourse {
  unless ($outhash{'home_'.$ENV{'form.authorspace'}}) { return ''; }      my ($r) = @_;
  my ($ca,$cd)=split(/\@/,$ENV{'form.authorspace'});      my $type = &Apache::loncommon::course_type();
  $r->print('<h3>'.&mt('Copying Files').'</h3>');      $r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
  my $title=$ENV{'form.authorfolder'};        '<form name="dumpdoc" method="post">');
  $title=~s/[^\w\/]+/\_/g;      $r->print(&Apache::lonhtmlcommon::breadcrumbs('Dump '.$type.' DOCS to Construction Space'));
  my %replacehash=();      my ($home,$other,%outhash)=&authorhosts();
  foreach (keys %ENV) {      unless ($home) { return ''; }
     if ($_=~/^form\.namefor\_(.+)/) {      my $origcrsid=$env{'request.course.id'};
  $replacehash{$1}=$ENV{$_};      my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
     }      if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  }  # Do the dumping
  my $crs='/uploaded/'.$ENV{'request.course.id'}.'/';   unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
  $crs=~s/\_/\//g;   my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
  foreach (keys %replacehash) {   $r->print('<h3>'.&mt('Copying Files').'</h3>');
     my $newfilename=$title.'/'.$replacehash{$_};   my $title=$env{'form.authorfolder'};
     $newfilename=~s/[^\w\/\.]+/\_/g;   $title=&clean($title);
     my @dirs=split(/\//,$newfilename);   my %replacehash=();
     my $path='/home/'.$ca.'/public_html';   foreach my $key (keys(%env)) {
     my $makepath=$path;      if ($key=~/^form\.namefor\_(.+)/) {
     my $fail=0;   $replacehash{$1}=$env{$key};
     for (my $i=0;$i<$#dirs;$i++) {      }
  $makepath.='/'.$dirs[$i];   }
  unless (-e $makepath) {    my $crs='/uploaded/'.$env{'request.course.id'}.'/';
     unless(mkdir($makepath,0777)) { $fail=1; }    $crs=~s/\_/\//g;
  }   foreach my $item (keys(%replacehash)) {
     }      my $newfilename=$title.'/'.$replacehash{$item};
     $r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');      $newfilename=~s/\.(\w+)$//;
     if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {      my $ext=$1;
  if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {      $newfilename=&clean($newfilename);
     print $fh &Apache::loncreatecourse::rewritefile(      $newfilename.='.'.$ext;
          &Apache::loncreatecourse::readfile($ENV{'request.course.id'},$_),      my @dirs=split(/\//,$newfilename);
      (%replacehash,$crs => '')      my $path='/home/'.$ca.'/public_html';
     );      my $makepath=$path;
  } else {      my $fail=0;
     print $fh      for (my $i=0;$i<$#dirs;$i++) {
          &Apache::loncreatecourse::readfile($ENV{'request.course.id'},$_);   $makepath.='/'.$dirs[$i];
        }   unless (-e $makepath) {
  $fh->close();      unless(mkdir($makepath,0777)) { $fail=1; }
     } else {   }
  $fail=1;      }
     }      $r->print('<br /><tt>'.$item.'</tt> => <tt>'.$newfilename.'</tt>: ');
     if ($fail) {      if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
  $r->print('<font color="red">fail</font>');   if ($item=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
     } else {      print $fh &Apache::lonclonecourse::rewritefile(
  $r->print('<font color="green">ok</font>');           &Apache::lonclonecourse::readfile($env{'request.course.id'},$item),
     }       (%replacehash,$crs => '')
  }      );
     } else {   } else {
 # Input form      print $fh
  unless ($home==1) {           &Apache::lonclonecourse::readfile($env{'request.course.id'},$item);
     $r->print(         }
       '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');   $fh->close();
  }      } else {
  foreach (sort keys %outhash) {   $fail=1;
     if ($_=~/^home_(.+)$/) {      }
  if ($home==1) {      if ($fail) {
     $r->print(   $r->print('<span class="LC_error">'.&mt('fail').'</span>');
   '<input type="hidden" name="authorspace" value="'.$1.'" />');      } else {
  } else {   $r->print('<span class="LC_success">'.&mt('ok').'</span>');
     $r->print('<option value="'.$1.'">'.$_.'</option>');      }
  }   }
     }      } else {
  }  # Input form
  unless ($home==1) {   unless ($home==1) {
     $r->print('</select>');      $r->print(
  }        '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  my $title=$origcrsdata{'description'};   }
  $title=~s/\s+/\_/gs;   foreach my $key (sort(keys(%outhash))) {
  $title=~s/\W//gs;      if ($key=~/^home_(.+)$/) {
  $r->print('<h3>'.&mt('Folder in Construction Space').'</h3><input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');   if ($home==1) {
  &tiehash();      $r->print(
  $r->print('<h3>'.&mt('Filenames in Construction Space').'</h3><table border="2"><tr><th>'.&mt('Internal Filename').'</th><th>'.&mt('Title').'</th><th>'.&mt('Save as ...').'</th></tr>');    '<input type="hidden" name="authorspace" value="'.$1.'" />');
  foreach (&Apache::loncreatecourse::crsdirlist($origcrsid,'userfiles')) {   } else {
     $r->print('<tr><td>'.$_.'</td>');      $r->print('<option value="'.$1.'">'.$1.' - '.
     my ($ext)=($_=~/\.(\w+)$/);        &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
     my $title=$hash{'title_'.$hash{   }
  'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};      }
     $r->print('<td>'.($title?$title:'&nbsp;').'</td>');   }
     unless ($title) {   unless ($home==1) {
  $title=$_;      $r->print('</select>');
     }   }
     $title=~s/\.(\w+)$//;   my $title=$origcrsdata{'description'};
     $title=~s/\W+/\_/gs;   $title=~s/[\/\s]+/\_/gs;
     $title.='.'.$ext;   $title=&clean($title);
     $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td></tr>\n");   $r->print('<h3>'.&mt('Folder in Construction Space').'</h3>'
  }                   .'<input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
  $r->print("</table>\n");   &tiehash();
  &untiehash();   $r->print('<h3>'.&mt('Filenames in Construction Space').'</h3>'
  $r->print(                   .&Apache::loncommon::start_data_table()
   '<p><input type="submit" name="dumpcourse" value="'.&mt('Dump Course DOCS').'" /></p></form>');                   .&Apache::loncommon::start_data_table_header_row()
     }                   .'<th>'.&mt('Internal Filename').'</th>'
 }                   .'<th>'.&mt('Title').'</th>'
                    .'<th>'.&mt('Save as ...').'</th>'
                    .&Apache::loncommon::end_data_table_header_row());
 # Imports the given (name, url) resources into the course   foreach my $file (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
 # coursenum, coursedom, and folder must precede the list      $r->print(&Apache::loncommon::start_data_table_row()
 sub group_import {                       .'<td>'.$file.'</td>');
     my $coursenum = shift;      my ($ext)=($file=~/\.(\w+)$/);
     my $coursedom = shift;      my $title=$hash{'title_'.$hash{
     my $folder = shift;   'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$file}};
     while (@_) {      $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
  my $name = shift;      if (!$title) {
  my $url = shift;   $title=$file;
  if ($url) {      } else {
     my $idx = $#Apache::lonratedt::resources + 1;   $title=~s|/|_|g;
     $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=$idx;      }
     my $ext = 'false';      $title=~s/\.(\w+)$//;
     if ($url=~/^http:\/\//) { $ext = 'true'; }      $title=&clean($title);
     $url =~ s/:/\&colon;/g;      $title.='.'.$ext;
     $name =~ s/:/\&colon;/g;      $r->print("\n<td><input type='text' size='60' name='namefor_".$file."' value='".$title."' /></td>"
     $Apache::lonratedt::resources[$idx] =                        .&Apache::loncommon::end_data_table_row());
  join ':', ($name, $url, $ext, 'normal', 'res');   }
  }   $r->print(&Apache::loncommon::end_data_table());
     }   &untiehash();
     return &storemap($coursenum, $coursedom, $folder.'.sequence');   $r->print(
 }    '<p><input type="submit" name="dumpcourse" value="'.&mt("Dump $type DOCS").'" /></p></form>');
       }
 sub breadcrumbs {  }
     my ($where)=@_;  
     &Apache::lonhtmlcommon::clear_breadcrumbs();  
     my (@folders)=split('&',$ENV{'form.folderpath'});  
     my $folderpath;  sub exportbutton {
     while (@folders) {      my $type = &Apache::loncommon::course_type();
  my $folder=shift(@folders);      return '<div>'.
  my $foldername=shift(@folders);              '<input type="submit" name="exportcourse" value="'.
  if ($folderpath) {$folderpath.='&';}              &mt('Export '.$type.' to IMS').'" />'.
  $folderpath.=$folder.'&'.$foldername;      &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs').'</div>';
  my $url='/adm/coursedocs?folderpath='.  }
     &Apache::lonnet::escape($folderpath);  
     &Apache::lonhtmlcommon::add_breadcrumb(  
       {'href'=>$url,  
        'title'=>&Apache::lonnet::unescape($foldername),  sub exportcourse {
        'text'=>'<font size="+1">'.      my $r=shift;
    &Apache::lonnet::unescape($foldername).'</font>'      my $type = &Apache::loncommon::course_type();
        });      my %discussiontime = &Apache::lonnet::dump('discussiontimes',
                                                         $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
         my $numdisc = keys(%discussiontime);
     }      my $navmap = Apache::lonnavmaps::navmap->new();
     return &Apache::lonhtmlcommon::breadcrumbs(undef,undef,undef,undef,undef,0);      if (!defined($navmap)) {
 }          $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package').
                     '<h2>IMS Export Failed</h2>'.
 sub editor {                    '<div class="LC_error">'.
     my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;                    &mt('Unable to retrieve information about course contents').
                     '</div><a href="/adm/coursedocs">'.&mt('Return to Course Editor').'</a>');
     $r->print(&breadcrumbs($folder));          &Apache::lonnet::logthis('IMS export failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
     my $errtext='';          return;
     my $fatal=0;      }
     ($errtext,$fatal)=      my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
           &mapread($coursenum,$coursedom,$folder.'.sequence');      my $curRes;
     if ($#Apache::lonratedt::order<1) {      my $outcome;
         $Apache::lonratedt::order[0]=1;  
         $Apache::lonratedt::resources[1]='';      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
     }                                              ['finishexport']);
     if ($fatal) {      if ($env{'form.finishexport'}) {
    $r->print('<p><font color="red">'.$errtext.'</font></p>');          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
     } else {                                              ['archive','discussion']);
 # ------------------------------------------------------------ Process commands  
 # ---------------- if they are for this folder and user allowed to make changes          my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
  if (($allowed) && ($ENV{'form.folder'} eq $folder)) {          my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
 # upload a file, if present          if (@exportitems == 0 && @discussions == 0) {
            if (($ENV{'form.uploaddoc.filename'}) &&              $outcome = '<br />As you did not select any content items or discussions for export, an IMS package has not been created.  Please <a href="javascript:history.go(-1)">go back</a> to select either content items or discussions for export';
                ($ENV{'form.cmd'}=~/^upload_(\w+)/)) {          } else {
     if ( ($folder=~/^$1/) || ($1 eq 'default') ) {              my $now = time;
 # this is for a course, not a user, so set coursedoc flag              my %symbs;
 # probably the only place in the system where this should be "1"              my $manifestok = 0;
       my $url=&Apache::lonnet::userfileupload('uploaddoc',1);              my $imsresources;
               my $ext='false';              my $tempexport;
               if ($url=~/^http\:\/\//) { $ext='true'; }              my $copyresult;
               $url=~s/\:/\&colon;/g;              my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
       my $comment=$ENV{'form.comment'};              if ($manifestok) {
               $comment=~s/\</\&lt\;/g;                  &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
               $comment=~s/\>/\&gt\;/g;                  close($ims_manifest);
               $comment=~s/\:/\&colon;/g;  
               if ($folder=~/^supplemental/) {  #Create zip file in prtspool
   $comment=time.'___&&&___'.$ENV{'user.name'}.'___&&&___'.                  my $imszipfile = '/prtspool/'.
       $ENV{'user.domain'}.'___&&&___'.$comment;                  $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
               }                     time.'_'.rand(1000000000).'.zip';
               my $newidx=$#Apache::lonratedt::resources+1;                  my $cwd = &Cwd::getcwd();
               $Apache::lonratedt::resources[$newidx]=                  my $imszip = '/home/httpd/'.$imszipfile;
                   $comment.':'.$url.':'.$ext.':normal:res';                  chdir $tempexport;
               $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=                  open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
                                                               $newidx;                         close(OUTPUT);
                   chdir $cwd;
       ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.sequence');                  $outcome .= &mt('Download the zip file from <a href="[_1]">IMS '.lc($type).' archive</a><br />',$imszipfile,);
       if ($fatal) {                  if ($copyresult) {
   $r->print('<p><font color="red">'.$errtext.'</font></p>');                      $outcome .= &mt('The following errors occurred during export - [_1]',$copyresult);
   return;                  }
       }              } else {
      }                  $outcome = '<br />'.&mt('Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.').'<br />';
             }              }
     if ($ENV{'form.cmd'}) {          }
                 my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'});          $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
                 if ($cmd eq 'del') {   $r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
     for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {          $r->print($outcome);
                         $Apache::lonratedt::order[$i]=          $r->print(&Apache::loncommon::end_page());
                           $Apache::lonratedt::order[$i+1];      } else {
                     }          my $display;
                     $#Apache::lonratedt::order--;          $display = '<form name="exportdoc" method="post">'."\n";
                 } elsif ($cmd eq 'up') {          $display .= &mt('Choose which items you wish to export from your '.$type.'.<br /><br />');
   if (($idx) && (defined($Apache::lonratedt::order[$idx-1]))) {          $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
                     my $i=$Apache::lonratedt::order[$idx-1];                      '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
                     $Apache::lonratedt::order[$idx-1]=                      '<input type="button" value="check all" '.
  $Apache::lonratedt::order[$idx];                      'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
                     $Apache::lonratedt::order[$idx]=$i;                      '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
    }                      ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
                 } elsif ($cmd eq 'down') {                      '<td>&nbsp;</td><td>&nbsp;</td>'.
    if (defined($Apache::lonratedt::order[$idx+1])) {                      '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
                     my $i=$Apache::lonratedt::order[$idx+1];                      '</b></legend><input type="button" value="check all"'.
                     $Apache::lonratedt::order[$idx+1]=                      ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  $Apache::lonratedt::order[$idx];                      '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
                     $Apache::lonratedt::order[$idx]=$i;                      ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
    }                      '</tr></table>';
                 } elsif ($cmd eq 'rename') {          my $curRes;
                     my ($rtitle,@rrest)=split(/\:/,          my $depth = 0;
                        $Apache::lonratedt::resources[          my $count = 0;
        $Apache::lonratedt::order[$idx]]);          my $boards = 0;
                     my $comment=          my $startcount = 5;
                      &HTML::Entities::decode($ENV{'form.title'});          my %parent = ();
                     $comment=~s/\</\&lt\;/g;          my %children = ();
                     $comment=~s/\>/\&gt\;/g;          my $lastcontainer = $startcount;
                     $comment=~s/\:/\&colon;/g;          my @bgcolors = ('#F6F6F6','#FFFFFF');
                     $Apache::lonratedt::resources[          $display .= '<table cellspacing="0"><tr>'.
        $Apache::lonratedt::order[$idx]]=              '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
                              $comment.':'.join(':',@rrest);          if ($numdisc > 0) {
                                   $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
                 }          }
 # Store the changed version          $display.='&nbsp;</td></tr>';
  ($errtext,$fatal)=&storemap($coursenum,$coursedom,          while ($curRes = $it->next()) {
     $folder.'.sequence');              if (ref($curRes)) {
  if ($fatal) {                  $count ++;
     $r->print('<p><font color="red">'.$errtext.'</font></p>');              }
     return;              if ($curRes == $it->BEGIN_MAP()) {
  }                  $depth++;
             }                  $parent{$depth} = $lastcontainer;
 # Group import/search              }
     if ($ENV{'form.importdetail'}) {              if ($curRes == $it->END_MAP()) {
  my @imports;                  $depth--;
  foreach (split(/\&/,$ENV{'form.importdetail'})) {                  $lastcontainer = $parent{$depth};
     if (defined($_)) {              }
  my ($name,$url)=split(/\=/,$_);              if (ref($curRes)) {
  $name=&Apache::lonnet::unescape($name);                  my $symb = $curRes->symb();
  $url=&Apache::lonnet::unescape($url);                  my $ressymb = $symb;
  push @imports, $name, $url;                  if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
     }                      unless ($ressymb =~ m|adm/wrapper/adm|) {
  }                          $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
 # Store the changed version                      }
  ($errtext,$fatal)=group_import($coursenum, $coursedom, $folder,                  }
        @imports);                  my $color = $count%2;
  if ($fatal) {                  $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
     $r->print('<p><font color="red">'.$errtext.'</font></p>');                      '<input type="checkbox" name="archive" value="'.$count.'" ';
     return;                  if (($curRes->is_sequence()) || ($curRes->is_page())) {
  }                      my $checkitem = $count + $boards + $startcount;
             }                      $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
 # Loading a complete map                  }
    if (($ENV{'form.importmap'}) && ($ENV{'form.loadmap'})) {                  $display .= ' />'."\n";
        foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) {                  for (my $i=0; $i<$depth; $i++) {
                    my $idx=$#Apache::lonratedt::resources;                      $display .= '<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" /><img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" />'."\n";
                    $idx++;                  }
                    $Apache::lonratedt::resources[$idx]=$_;                  if ($curRes->is_sequence()) {
                    $Apache::lonratedt::order                      $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
        [$#Apache::lonratedt::order+1]=$idx;                      $lastcontainer = $count + $startcount + $boards;
        }                  } elsif ($curRes->is_page()) {
                       $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
 # Store the changed version                      $lastcontainer = $count + $startcount + $boards;
        ($errtext,$fatal)=&storemap($coursenum,$coursedom,                  }
    $folder.'.sequence');                  my $currelem = $count+$boards+$startcount;
        if ($fatal) {                  $children{$parent{$depth}} .= $currelem.':';
    $r->print('<p><font color="red">'.$errtext.'</font></p>');                  $display .= '&nbsp;'.$curRes->title().'</td>';
    return;                  if ($discussiontime{$ressymb} > 0) {
        }                      $boards ++;
            }                      $currelem = $count+$boards+$startcount;
        }                      $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
 # ---------------------------------------------------------------- End commands                  } else {
 # ---------------------------------------------------------------- Print screen                      $display .= '<td colspan="2">&nbsp;</td>'."\n";
         my $idx=0;                  }
         $r->print('<table>');              }
         foreach (@Apache::lonratedt::order) {          }
            my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);          my $scripttag = qq|
            unless ($name) {  $name=(split(/\//,$url))[-1]; }  <script>
            unless ($name) { next; }  
            $r->print(&entryline($idx,$name,$url,$folder,$allowed,$_,$coursenum));  function checkAll(field) {
            $idx++;      if (field.length > 0) {
         }          for (i = 0; i < field.length; i++) {
         $r->print('</table>');              field[i].checked = true ;
     }          }
 }      } else {
           field.checked = true
 # --------------------------------------------------------------- An entry line      }
   }
 sub entryline {                                                                                 
     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;  function uncheckAll(field) {
     $title=~s/\&colon\;/\:/g;      if (field.length > 0) {
     $title=&HTML::Entities::encode(&HTML::Entities::decode(          for (i = 0; i < field.length; i++) {
      &Apache::lonnet::unescape($title)),'"<>&\'');              field[i].checked = false ;
     my $renametitle=$title;          }
     my $foldertitle=$title;      } else {
     if ($title=~ /^(\d+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(\w+)___&amp;&amp;&amp;___(.*)$/ ) {           field.checked = false ;
  $foldertitle=&Apache::lontexconvert::msgtexconverted($4);      }
  $renametitle=$4;  }
  $title='<i>'.&Apache::lonlocal::locallocaltime($1).'</i> '.  
     &Apache::loncommon::plainname($2,$3).': <br />'.  function propagateCheck(item) {
     $foldertitle;      if (document.exportdoc.elements[item].checked == true) {
     }          containerCheck(item)
     $renametitle=~s/\&quot\;/\\\"/g;      }
     my $line='<tr>';  }
 # Edit commands  
     if ($allowed) {  function containerCheck(item) {
  my %lt=&Apache::lonlocal::texthash(      document.exportdoc.elements[item].checked = true
                 'up' => 'Move Up',      var numitems = $count + $boards + $startcount
  'dw' => 'Move Down',      var parents = new Array(numitems)
  'rm' => 'Remove',      for (var i=$startcount; i<numitems; i++) {
  'rn' => 'Rename');          parents[i] = new Array
  my $folderpath;      }
  if ($ENV{'form.folderpath'}) {          |;
     $folderpath=&Apache::lonnet::escape($ENV{'form.folderpath'});  
    # $htmlfoldername=&HTML::Entities::encode($ENV{'form.foldername'},'<>&"');          foreach my $container (sort { $a <=> $b } (keys(%children))) {
  }              my @contents = split(/:/,$children{$container});
  $line.=(<<END);              for (my $i=0; $i<@contents; $i ++) {
 <td><table border='0' cellspacing='2' cellpadding='0'>                  $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
 <tr><td bgcolor="#DDDDDD">              }
 <a href='/adm/coursedocs?cmd=up_$index&folderpath=$folderpath'>          }
 <img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>  
 <tr><td bgcolor="#DDDDDD">          $scripttag .= qq|
 <a href='/adm/coursedocs?cmd=down_$index&folderpath=$folderpath'>      if (parents[item].length > 0) {
 <img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>          for (var j=0; j<parents[item].length; j++) {
 </table></td><td bgcolor="#DDDDDD">              containerCheck(parents[item][j])
 <a href='javascript:removeres("$folderpath","$index","$renametitle");'>          }
 <font size="-2" color="#990000">$lt{'rm'}</font></a>       }  
 <a href='javascript:changename("$folderpath","$index","$renametitle");'>  }
 <font size="-2" color="#009900">$lt{'rn'}</font></a></td>  
 END  </script>
     }          |;
 # Figure out what kind of a resource this is   $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package',
     my ($extension)=($url=~/\.(\w+)$/);   $scripttag));
     my $uploaded=($url=~/^\/*uploaded\//);   $r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
     my $icon=&Apache::loncommon::icon($url);   $r->print($display.'</table>'.
     my $isfolder=0;                    '<p><input type="hidden" name="finishexport" value="1">'.
     my $folderarg;                    '<input type="submit" name="exportcourse" value="'.
     if ($uploaded) {                    &mt('Export '.$type.' DOCS').'" /></p></form>');
        if ($extension eq 'sequence') {      }
   $icon=$iconpath.'/folder_closed.gif';  }
           $url=~/$coursenum\/([\/\w]+)\.sequence$/;  
           $url='/adm/coursedocs?';  sub create_ims_store {
   $folderarg=$1;      my ($now,$manifestok,$outcome,$tempexport) = @_;
           $isfolder=1;      $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
        }      my $ims_manifest;
     }      if (!-e $$tempexport) {
     $url=~s/^http\&colon\;\/\//\/adm\/wrapper\/ext\//;          mkdir($$tempexport,0700);
     if ((!$isfolder) && ($residx) && ($folder!~/supplemental/)) {      }
  my $symb=&Apache::lonnet::symbclean(      $$tempexport .= '/'.$now;
           &Apache::lonnet::declutter('uploaded/'.      if (!-e $$tempexport) {
            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.'/'.          mkdir($$tempexport,0700);
            $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.'/'.$folder.      }
            '.sequence').      $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
            '___'.$residx.'___'.      if (!-e $$tempexport) {
    &Apache::lonnet::declutter($url));          mkdir($$tempexport,0700);
  (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);      }
  $url=&Apache::lonnet::clutter($url);      if (!-e "$$tempexport/resources") {
  $url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);          mkdir("$$tempexport/resources",0700);
     }      }
     my $parameterset='';  # open manifest file
     if ($isfolder) {      my $manifest = '/imsmanifest.xml';
  my $foldername=&Apache::lonnet::escape($foldertitle);      my $manifestfilename = $$tempexport.$manifest;
  my $folderpath=$ENV{'form.folderpath'};      if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
  if ($folderpath) { $folderpath.='&' };          $$manifestok=1;
  $folderpath.=$folderarg.'&'.$foldername;          print $ims_manifest
  $url.='folderpath='.&Apache::lonnet::escape($folderpath);  '<?xml version="1.0" encoding="UTF-8"?>'."\n".
  $parameterset='';  '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
     }  ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
     $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'"><img src="'.$icon.  ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
  '" border="0"></a></td>'.  ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
         "<td bgcolor='#FFFFBB'><a href='$url'>$title</a></td>";  '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
     if ($allowed) {  '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
  my %lt=&Apache::lonlocal::texthash(  '  <metadata>
       'hd' => 'Hidden',      <schema></schema>
       'ec' => 'URL hidden',      <imsmd:lom>
       'rp' => 'Randomly Pick Number of Resources',        <imsmd:general>
       'sp' => 'Store Parameters');          <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
     }          <imsmd:title>
     $line.="</tr>";            <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
     return $line;          </imsmd:title>
 }        </imsmd:general>
       </imsmd:lom>
 # ---------------------------------------------------------------- tie the hash    </metadata>'."\n".
   '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
 sub tiehash {  '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
     $hashtied=0;  ' structure="hierarchical">'."\n".
     if ($ENV{'request.course.fn'}) {  '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
         if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",      } else {
             &GDBM_READER(),0640)) {          $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
                 $hashtied=1;  ;
         }      }
     }          return $ims_manifest;
 }  }
   
 sub untiehash {  sub build_package {
     if ($hashtied) { untie %hash; }      my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
     $hashtied=0;  # first iterator to look for dependencies
 }      my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
       my $curRes;
 # --------------------------------------------------------------- check on this      my $count = 0;
       my $depth = 0;
 sub checkonthis {      my $lastcontainer = 0;
     my ($r,$url,$level,$title)=@_;      my %parent = ();
     $alreadyseen{$url}=1;      my @dependencies = ();
     $r->rflush();      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
        $r->print("\n<br />");      while ($curRes = $it->next()) {
        for (my $i=0;$i<=$level*5;$i++) {          if (ref($curRes)) {
            $r->print('&nbsp;');              $count ++;
        }          }
        $r->print('<a href="'.$url.'" target="cat">'.          if ($curRes == $it->BEGIN_MAP()) {
  ($title?$title:$url).'</a> ');              $depth++;
        if ($url=~/^\/res\//) {              $parent{$depth} = $lastcontainer;
   my $result=&Apache::lonnet::repcopy(          }
                               &Apache::lonnet::filelocation('',$url));          if ($curRes == $it->END_MAP()) {
           if ($result==OK) {              $depth--;
              $r->print('<font color="green">'.&mt('ok').'</font>');              $lastcontainer = $parent{$depth};
              $r->rflush();          }
              &Apache::lonnet::countacc($url);          if (ref($curRes)) {
              $url=~/\.(\w+)$/;              if ($curRes->is_sequence() || $curRes->is_page()) {
              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {                  $lastcontainer = $count;
  $r->print('<br />');              }
                  $r->rflush();              if (grep(/^$count$/,@$exportitems)) {
                  for (my $i=0;$i<=$level*5;$i++) {                  &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
                      $r->print('&nbsp;');              }
                  }          }
                  $r->print('- '.&mt('Rendering').': ');      }
                  my $oldpath=$ENV{'request.filename'};  # second iterator to build manifest and store resources
                  $ENV{'request.filename'}=&Apache::lonnet::filelocation('',$url);      $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
                  &Apache::lonxml::xmlparse($r,'web',      $depth = 0;
                    &Apache::lonnet::getfile(      my $prevdepth;
                     &Apache::lonnet::filelocation('',$url)));      $count = 0;
  undef($Apache::lonhomework::parsing_a_problem);      my $imsresources;
  $ENV{'request.filename'}=$oldpath;      my $pkgdepth;
                  if (($Apache::lonxml::errorcount) ||      while ($curRes = $it->next()) {
                      ($Apache::lonxml::warningcount)) {          if ($curRes == $it->BEGIN_MAP()) {
      if ($Apache::lonxml::errorcount) {              $prevdepth = $depth;
                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><font color="red"><b>'.              $depth++;
   $Apache::lonxml::errorcount.' '.          }
   &mt('error(s)').'</b></font> ');          if ($curRes == $it->END_MAP()) {
                      }              $prevdepth = $depth;
      if ($Apache::lonxml::warningcount) {              $depth--;
                         $r->print('<font color="blue">'.          }
   $Apache::lonxml::warningcount.' '.  
   &mt('warning(s)').'</font>');          if (ref($curRes)) {
                      }              $count ++;
                  } else {              if ((grep(/^$count$/,@$exportitems)) || (grep(/^$count$/,@dependencies))) {
                      $r->print('<font color="green">'.&mt('ok').'</font>');                  my $symb = $curRes->symb();
                  }                  my $isvisible = 'true';
                  $r->rflush();                  my $resourceref;
              }                  if ($curRes->randomout()) {
      my $dependencies=                      $isvisible = 'false';
                 &Apache::lonnet::metadata($url,'dependencies');                  }
              foreach (split(/\,/,$dependencies)) {                  unless ($curRes->is_sequence()) {
  if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {                      $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
                     &checkonthis($r,$_,$level+1);                  }
                  }                  my $step = $prevdepth - $depth;
              }                  if (($step >= 0) && ($count > 1)) {
           } elsif ($result==HTTP_SERVICE_UNAVAILABLE) {                      while ($step >= 0) {
              $r->print('<font color="red"><b>'.&mt('connection down').'</b></font>');                          print $ims_manifest "\n".'  </item>'."\n";
           } elsif ($result==HTTP_NOT_FOUND) {                          $step --;
       unless ($url=~/\$/) {                      }
   $r->print('<font color="red"><b>'.&mt('not found').'</b></font>');                  }
       } else {                  $prevdepth = $depth;
   $r->print('<font color="yellow"><b>'.&mt('unable to verify variable URL').'</b></font>');  
       }                  my $itementry =
           } else {                '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
              $r->print('<font color="red"><b>'.&mt('access denied').'</b></font>');                '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
           }                '<title>'.$curRes->title().'</title>';
       }                  print $ims_manifest "\n".$itementry;
    }  
 }                  unless ($curRes->is_sequence()) {
                       my $content_file;
                       my @hrefs = ();
 #                      &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
 # -------------------------------------------------------------- Verify Content                      if ($content_file) {
 #                           $imsresources .= "\n".
 sub verifycontent {                       '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
    my $r=shift;                        '" type="webcontent" href="'.$content_file.'">'."\n".
    my $loaderror=&Apache::lonnet::overloaderror($r);                       '       <file href="'.$content_file.'" />'."\n";
    if ($loaderror) { return $loaderror; }                          foreach my $item (@hrefs) {
                               $imsresources .=
    $r->print('<html><head><title>Verify Content</title></head>'.                       '        <file href="'.$item.'" />'."\n";
               &Apache::loncommon::bodytag('Verify Course Documents'));                          }
    $hashtied=0;                          if (grep(/^$count$/,@$discussions)) {
    undef %alreadyseen;                              my $ressymb = $symb;
    %alreadyseen=();                              my $mode;
    &tiehash();                              if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
    foreach (keys %hash) {                                  unless ($ressymb =~ m|adm/wrapper/adm|) {
        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) {                                      $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});                                  }
        }                                  $mode = 'board';
    }                              }
    &untiehash();                              my %extras = (
    $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.                                            caller => 'imsexport',
      &mt('Return to DOCS').'</a>');                                            tempexport => $tempexport.'/resources',
 }                                            count => $count
                                            );
 # -------------------------------------------------------------- Check Versions                              my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
                           }
 sub checkversions {                          $imsresources .= '    </resource>'."\n";
     my $r=shift;                      }
     $r->print('<html><head><title>Check Versions</title></head>'.                  }
               &Apache::loncommon::bodytag('Check Course Document Versions'));                  $pkgdepth = $depth;
     my $header='';              }
     my $startsel='';          }
     my $monthsel='';      }
     my $weeksel='';      while ($pkgdepth > 0) {
     my $daysel='';          print $ims_manifest "    </item>\n";
     my $allsel='';          $pkgdepth --;
     my %changes=();      }
     my $starttime=0;      my $resource_text = qq|
     my $haschanged=0;      </organization>
     my %setversions=&Apache::lonnet::dump('resourceversions',    </organizations>
   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},    <resources>
   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});      $imsresources
     </resources>
     $hashtied=0;  </manifest>
     &tiehash();      |;
     my %newsetversions=();      print $ims_manifest $resource_text;
     if ($ENV{'form.setmostrecent'}) {  }
  $haschanged=1;  
  foreach (keys %hash) {  sub get_dependencies {
     if ($_=~/^ids\_(\/res\/.+)$/) {      my ($exportitems,$parent,$depth,$dependencies) = @_;
  $newsetversions{$1}='mostrecent';      if ($depth > 1) {
     }          if ((!grep(/^$$parent{$depth}$/,@$exportitems)) && (!grep(/^$$parent{$depth}$/,@$dependencies))) {
  }              push(@{$dependencies},$$parent{$depth});
     } elsif ($ENV{'form.setcurrent'}) {              if ($depth > 2) {
  $haschanged=1;                  &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
  foreach (keys %hash) {              }
     if ($_=~/^ids\_(\/res\/.+)$/) {          }
  my $getvers=&Apache::lonnet::getversion($1);      }
  if ($getvers>0) {  }
     $newsetversions{$1}=$getvers;  
  }  sub process_content {
     }      my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
  }      my $content_type;
     } elsif ($ENV{'form.setversions'}) {      my $message;
  $haschanged=1;      my @uploads = ();
  foreach (keys %ENV) {      if ($curRes->is_sequence()) {
     if ($_=~/^form\.set_version_(.+)$/) {          $content_type = 'sequence';
  my $src=$1;      } elsif ($curRes->is_page()) {
  if (($ENV{$_}) && ($ENV{$_} ne $setversions{$src})) {          $content_type = 'page'; # need to handle individual items in pages.
     $newsetversions{$src}=$ENV{$_};      } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  }          $content_type = 'syllabus';
     }          my $contents = &Apache::imsexport::templatedpage($content_type);
  }          if ($contents) {
     }              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
     if ($haschanged) {          }
         if (&Apache::lonnet::put('resourceversions',\%newsetversions,      } elsif ($symb =~ m-\.sequence___\d+___ext-) {
   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},          $content_type = 'external';
   $ENV{'course.'.$ENV{'request.course.id'}.'.num'}) eq 'ok') {          my $title = $curRes->title;
     $r->print('<h1>'.&mt('Your Version Settings have been Stored').'</h1>');          my $contents =  &Apache::imsexport::external($symb,$title);
  } else {          if ($contents) {
     $r->print('<h1><font color="red">'.&mt('An Error Occured while Attempting to Store your Version Settings').'</font></h1>');              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  }          }
  &changewarning($r,'');      } elsif ($symb =~ m-adm/navmaps$-) {
     }          $content_type =  'navmap';
     if ($ENV{'form.timerange'} eq 'all') {      } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
 # show all documents          $content_type = 'simplepage';
  $header=&mt('All Documents in Course');          my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
  $allsel=1;          if ($contents) {
  foreach (keys %hash) {              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
     if ($_=~/^ids\_(\/res\/.+)$/) {          }
  my $src=$1;      } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
  $changes{$src}=1;          $content_type = 'simpleproblem';
     }          my $contents =  &Apache::imsexport::simpleproblem($symb);
  }          if ($contents) {
     } else {              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
 # show documents which changed          }
  %changes=&Apache::lonnet::dump      } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
  ('versionupdate',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},          $content_type = 'examupload';
                      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});      } elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
  my $firstkey=(keys %changes)[0];          $content_type = 'bulletinboard';
  unless ($firstkey=~/^error\:/) {          my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
     unless ($ENV{'form.timerange'}) {          if ($contents) {
  $ENV{'form.timerange'}=604800;              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
     }          }
     my $seltext=&mt('during the last').' '.$ENV{'form.timerange'}.' '      } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
  .&mt('seconds');          $content_type = 'aboutme';
     if ($ENV{'form.timerange'}==-1) {          my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
  $seltext='since start of course';          if ($contents) {
  $startsel='selected';              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  $ENV{'form.timerange'}=time;          }
     }      } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
     $starttime=time-$ENV{'form.timerange'};          $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
     if ($ENV{'form.timerange'}==2592000) {      } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
  $seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';          my $canedit = 0;
  $monthsel='selected';          if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
     } elsif ($ENV{'form.timerange'}==604800) {              $canedit= 1;
  $seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';          }
  $weeksel='selected';  # only include problem code where current user is author
     } elsif ($ENV{'form.timerange'}==86400) {          if ($canedit) {
  $seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';              $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
  $daysel='selected';          } else {
     }              $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
     $header=&mt('Content changed').' '.$seltext;          }
  } else {      } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
     $header=&mt('No content modifications yet.');          $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
  }      }
     }      if (@uploads > 0) {
     %setversions=&Apache::lonnet::dump('resourceversions',          foreach my $item (@uploads) {
   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},              my $uploadmsg = '';
   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});              &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
     my %lt=&Apache::lonlocal::texthash              if ($uploadmsg) {
       ('st' => 'Version changes since start of Course',                  $$copyresult .= $uploadmsg."\n";
        'lm' => 'Version changes since last Month',              }
        'lw' => 'Version changes since last Week',          }
        'sy' => 'Version changes since Yesterday',      }
                'al' => 'All Resources (possibly large output)',      if ($message) {
        'sd' => 'Display',          $$copyresult .= $message."\n";
        'fi' => 'File',      }
        'md' => 'Modification Date',  }
                'mr' => 'Most recently published Version',  
        've' => 'Version used in Course',  sub replicate_content {
                'vu' => 'Set Version to be used in Course',      my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
 'sv' => 'Set Versions to be used in Course according to Selections below',      my ($map,$ind,$url);
 'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',      if ($caller eq 'templateupload') {
 'sc' => 'Set all Resource Versions to current Version (Fix Versions)',          $url = $symb;
        'di' => 'Differences');          $url =~ s#//#/#g;
     $r->print(<<ENDHEADERS);      } else {
 <form action="/adm/coursedocs" method="post">          ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
 <input type="hidden" name="versions" value="1" />      }
 <input type="submit" name="setmostrecent" value="$lt{'sm'}" />      my $content;
 <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />      my $filename;
 <select name="timerange">      my $repstatus;
 <option value='all' $allsel>$lt{'al'}</option>      my $content_name;
 <option value="-1" $startsel>$lt{'st'}</option>      if ($url =~ m-/([^/]+)$-) {
 <option value="2592000" $monthsel>$lt{'lm'}</option>          $filename = $1;
 <option value="604800" $weeksel>$lt{'lw'}</option>          if (!-e $tempexport.'/resources') {
 <option value="86400" $daysel>$lt{'sy'}</option>              mkdir($tempexport.'/resources',0700);
 </select>          }
 <input type="submit" name="display" value="$lt{'sd'}" />          if (!-e $tempexport.'/resources/'.$count) {
 <h3>$header</h3>              mkdir($tempexport.'/resources/'.$count,0700);
 <input type="submit" name="setversions" value="$lt{'sv'}" />          }
 <table border="0">          my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
 ENDHEADERS          my $copiedfile;
     foreach (sort keys %changes) {          if ($copiedfile = Apache::File->new('>'.$destination)) {
  if ($changes{$_}>$starttime) {              my $content;
     my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);              if ($caller eq 'resource') {
     my $currentversion=&Apache::lonnet::getversion($_);                  my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
     if ($currentversion<0) {                  my $filepath = &Apache::lonnet::filelocation($respath,$url);
  $currentversion=&mt('Could not be determined.');                  $content = &Apache::lonnet::getfile($filepath);
     }                  if ($content eq -1) {
     my $linkurl=&Apache::lonnet::clutter($_);                      $$message = 'Could not copy file '.$filename;
     $r->print(                  } else {
       '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.                      &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
       &Apache::lonnet::gettitle($linkurl).                      $repstatus = 'ok';
                       '</b></font></td></tr>'.                  }
                       '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.              } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
                       '<td colspan="4">'.                  my $rtncode;
                       '<a href="'.$linkurl.'" target="cat">'.$linkurl.                  $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
       '</a></td></tr>'.                  if ($repstatus eq 'ok') {
                       '<tr><td></td>'.                      if ($url =~ /\.html?$/i) {
                       '<td title="'.$lt{'md'}.'">'.                          &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
       &Apache::lonlocal::locallocaltime(                      }
                            &Apache::lonnet::metadata($root.'.'.$extension,                  } else {
                                                      'lastrevisiondate')                      $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
                                                         ).                  }
                       '</td>'.              } elsif ($caller eq 'noedit') {
                       '<td title="'.$lt{'mr'}.'"><nobr>Most Recent: '.  # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this.
                       '<font size="+1">'.$currentversion.'</font>'.                  $repstatus = 'ok';
                       '</nobr></td>'.                  $content = 'Not the owner of this resource';
                       '<td title="'.$lt{'ve'}.'"><nobr>In Course: '.              }
                       '<font size="+1">');              if ($repstatus eq 'ok') {
 # Used in course                  print $copiedfile $content;
     my $usedversion=$hash{'version_'.$linkurl};              }
     if (($usedversion) && ($usedversion ne 'mostrecent')) {              close($copiedfile);
  $r->print($usedversion);          } else {
     } else {              $$message = 'Could not open destination file for '.$filename."<br />\n";
  $r->print($currentversion);          }
     }      } else {
     $r->print('</font></nobr></td><td title="'.$lt{'vu'}.'">'.          $$message = 'Could not determine name of file for '.$symb."<br />\n";
                       '<nobr>Use: ');      }
 # Set version      if ($repstatus eq 'ok') {
     $r->print(&Apache::loncommon::select_form($setversions{$linkurl},          $content_name = 'resources/'.$count.'/'.$filename;
       'set_version_'.$linkurl,      }
       ('' => '',      return $content_name;
        'mostrecent' => 'most recent',  }
        map {$_,$_} (1..$currentversion))));  
     $r->print('</nobr></td></tr><tr><td></td>');  sub extract_media {
     my $lastold=1;      my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
     for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {      my ($dirpath,$container);
  my $url=$root.'.'.$prevvers.'.'.$extension;      my %allfiles = ();
  if (&Apache::lonnet::metadata($url,'lastrevisiondate')<      my %codebase = ();
     $starttime) {      if ($url =~ m-(.*/)([^/]+)$-) {
     $lastold=$prevvers;          $dirpath = $1;
  }          $container = $2;
     }      } else {
             #           $dirpath = $url;
             # Code to figure out how many version entries should go in          $container = '';
             # each of the four columns      }
             my $entries_per_col = 0;      &Apache::lonnet::extract_embedded_items(undef,\%allfiles,\%codebase,$content);
             my $num_entries = ($currentversion-$lastold);      foreach my $embed_file (keys(%allfiles)) {
             if ($num_entries % 4 == 0) {          my $filename;
                 $entries_per_col = $num_entries/4;          if ($embed_file =~ m#([^/]+)$#) {
             } else {              $filename = $1;
                 $entries_per_col = $num_entries/4 + 1;          } else {
             }              $filename = $embed_file;
             my $entries_count = 0;          }
             $r->print('<td valign="top"><font size="-2">');           my $newname = 'res/'.$filename;
             my $cols_output = 1;          my ($rtncode,$embed_content,$repstatus);
             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {          my $embed_url;
  my $url=$root.'.'.$prevvers.'.'.$extension;          if ($embed_file =~ m-^/-) {
  $r->print('<nobr><a href="'.&Apache::lonnet::clutter($url).              $embed_url = $embed_file;           # points to absolute path
   '">'.&mt('Version').' '.$prevvers.'</a> ('.          } else {
   &Apache::lonlocal::locallocaltime(              if ($embed_file =~ m-https?://-) {
                                 &Apache::lonnet::metadata($url,                  next;                           # points to url
                                                           'lastrevisiondate')              } else {
                                                             ).                  $embed_url = $dirpath.$embed_file;  # points to relative path
   ')');              }
  if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {          }
                     $r->print(' <a href="/adm/diff?filename='.          if ($caller eq 'resource') {
       &Apache::lonnet::clutter($root.'.'.$extension).              my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';  
       '&versionone='.$prevvers.              my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url);
       '">'.&mt('Diffs').'</a>');              $embed_content = &Apache::lonnet::getfile($embed_path);
  }              unless ($embed_content eq -1) {
  $r->print('</nobr><br />');                  $repstatus = 'ok';
                 if (++$entries_count % $entries_per_col == 0) {              }
                     $r->print('</font></td>');          } elsif ($caller eq 'uploaded') {
                     if ($cols_output != 4) {             
                         $r->print('<td valign="top"><font size="-2">');              $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
                         $cols_output++;          }
                     }          if ($repstatus eq 'ok') {
                 }              my $destination = $tempexport.'/resources/'.$count.'/res';
     }              if (!-e "$destination") {
             while($cols_output++ < 4) {                  mkdir($destination,0755);
                 $r->print('</font></td><td><font>')              }
             }              $destination .= '/'.$filename;
     $r->print('</font></td></tr>'."\n");              my $copiedfile;
  }              if ($copiedfile = Apache::File->new('>'.$destination)) {
     }                  print $copiedfile $embed_content;
     $r->print('</table></form>');                  push(@{$href},'resources/'.$count.'/res/'.$filename);
     $r->print('<h1>'.&mt('Done').'.</h1>');                  my $attrib_regexp = '';
                   if (@{$allfiles{$embed_file}} > 1) {
     &untiehash();                      $attrib_regexp = join('|',@{$allfiles{$embed_file}});
 }                  } else {
                       $attrib_regexp = $allfiles{$embed_file}[0];
 sub changewarning {                  }
     my ($r,$postexec)=@_;                  $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
     $r->print(                  if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
 '<script>function reinit(tf) { tf.submit();'.$postexec.' }</script>'.                       $$content =~ s#\Q$embed_file\E#$newname#gi;
 '<form method="post" action="/adm/roles" target="loncapaclient">'.                  }
 '<input type="hidden" name="orgurl" value="/adm/coursedocs?folderpath='.              }
 &Apache::lonnet::escape($ENV{'form.folderpath'}).          } else {
 '" /><input type="hidden" name="selectrole" value="1" /><h3><font color="red">'.              $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
 &mt('Changes will become active for your current session after').          }
 ' <input type="hidden" name="'.      }
 $ENV{'request.role'}.'" value="1" /><input type="button" value="'.      return;
 &mt('re-initializing course').'" onClick="reinit(this.form)"/>'.&mt(', or the next time you log in.').  }
 $help{'Caching'}.'</font></h3></form>');  
 }  sub store_template {
       my ($contents,$tempexport,$count,$content_type) = @_;
 # ================================================================ Main Handler      if ($contents) {
 sub handler {          if ($tempexport) {
     my $r = shift;              if (!-e $tempexport.'/resources') {
     &Apache::loncommon::content_type($r,'text/html');                  mkdir($tempexport.'/resources',0700);
     $r->send_http_header;              }
     return OK if $r->header_only;              if (!-e $tempexport.'/resources/'.$count) {
                   mkdir($tempexport.'/resources/'.$count,0700);
 # --------------------------------------------- Initialize help topics for this              }
   foreach ('Adding_Course_Doc','Main_Course_Documents',              my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
            'Adding_External_Resource','Navigate_Content',              my $storetemplate;
            'Adding_Folders','Docs_Overview', 'Load_Map',              if ($storetemplate = Apache::File->new('>'.$destination)) {
            'Supplemental', 'Score_Upload_Form',                  print $storetemplate $contents;
            'Importing_LON-CAPA_Resource','Uploading_From_Harddrive') {                  close($storetemplate);
       $help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);              }
   }              if ($content_type eq 'external') {
     # Composite help files                  return 'resources/'.$count.'/'.$content_type.'.html';
     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(              } else {
     'Docs_About_Syllabus,Docs_Editing_Templated_Pages');                  return 'resources/'.$count.'/'.$content_type.'.xml';
     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(              }
     'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');          }
     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(      }
     'Option_Response_Simple');  }
     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(  
     'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');  
     $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(  sub group_import {
   'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');      my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');  
        while (@files) {
   if ($ENV{'form.verify'}) {   my ($name, $url, $residx) = @{ shift(@files) };
       &verifycontent($r);          if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$})
   } elsif ($ENV{'form.versions'}) {       && ($caller eq 'londocs')
       &checkversions($r);       && (!&Apache::lonnet::stat_file($url))) {
   } elsif ($ENV{'form.dumpcourse'}) {      
       &dumpcourse($r);              my $errtext = '';
   } else {              my $fatal = 0;
 # is this a standard course?              my $newmapstr = '<map>'."\n".
                               '<resource id="1" src="" type="start"></resource>'."\n".
     my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);                              '<link from="1" to="2" index="1"></link>'."\n".
     my $forcestandard;                              '<resource id="2" src="" type="finish"></resource>'."\n".
     my $forcesupplement;                              '</map>';
     my $script='';              $env{'form.output'}=$newmapstr;
     my $allowed;              my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
     my $events='';                                                  'output',$1.$2);
     my $showdoc=0;              if ($result != m|^/uploaded/|) {
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},                  $errtext.='Map not saved: A network error occurred when trying to save the new map. ';
     ['folderpath']);                  $fatal = 2;
     if ($ENV{'form.folderpath'}) {              }
  my (@folderpath)=split('&',$ENV{'form.folderpath'});              if ($fatal) {
  $ENV{'form.foldername'}=&Apache::lonnet::unescape(pop(@folderpath));                  return ($errtext,$fatal);
  $ENV{'form.folder'}=pop(@folderpath);              }
     }           }
     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {   if ($url) {
        $showdoc=$1;      if (!$residx
     }   || defined($LONCAPA::map::zombies[$residx])) {
     unless ($showdoc) { # got called from remote   $residx = &LONCAPA::map::getresidx($url,$residx);
        $forcestandard=($ENV{'form.folder'}=~/^default_/);   push(@LONCAPA::map::order, $residx);
        $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);      }
       my $ext = 'false';
 # does this user have privileges to post, etc?      if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
        $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});      $url  = &LONCAPA::map::qtunescape($url);
        if ($allowed) {       $name = &LONCAPA::map::qtunescape($name);
          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);      $LONCAPA::map::resources[$residx] =
          $script=&Apache::lonratedt::editscript('simple');    join(':', ($name, $url, $ext, 'normal', 'res'));
        }   }
     } else { # got called in sequence from course      }
        $allowed=0;      return &storemap($coursenum, $coursedom, $folder.'.'.$container);
        $script='</script>'.&Apache::lonmenu::registerurl(1,undef).'<script>';  }
        $events='onLoad="'.&Apache::lonmenu::loadevents.  
            '" onUnload="'.&Apache::lonmenu::unloadevents.'"';  sub breadcrumbs {
     }      my ($where,$allowed,$type)=@_;
       &Apache::lonhtmlcommon::clear_breadcrumbs();
 # get course data      my (@folders);
     my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};      if ($env{'form.pagepath'}) {
     my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};          @folders = split('&',$env{'form.pagepath'});
       } else {
 # get personal data          @folders=split('&',$env{'form.folderpath'});
        }
     my $uname=$ENV{'user.name'};      my $folderpath;
     my $udom=$ENV{'user.domain'};      my $cpinfo='';
     my $plainname=&Apache::lonnet::escape(      my $plain='';
                      &Apache::loncommon::plainname($uname,$udom));      my $randompick=-1;
       my $isencrypted=0;
 # graphics settings      my $ishidden=0;
       my $is_random_order=0;
     $iconpath = $r->dir_config('lonIconsURL') . "/";      while (@folders) {
    my $folder=shift(@folders);
     my $now=time;      my $foldername=shift(@folders);
    if ($folderpath) {$folderpath.='&';}
 # print screen   $folderpath.=$folder.'&'.$foldername;
     $r->print(<<ENDDOCUMENT);   my $url='/adm/coursedocs?folderpath='.
 <html>      &escape($folderpath);
 <head>      my $name=&unescape($foldername);
 <title>The LearningOnline Network with CAPA</title>  # randompick number, hidden, encrypted, random order, is appended with ":"s to the foldername
 <script>       $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
 $script      if ($1 ne '') {
 </script>                 $randompick=$1;
 ENDDOCUMENT              } else {
    if ($allowed) {                 $randompick=-1;
     $r->print(<<ENDNEWSCRIPT);              }
 <script>              if ($2) { $ishidden=1; }
 function makenewfolder(targetform,folderseq) {              if ($3) { $isencrypted=1; }
     var foldername=prompt('Name of New Folder','New Folder');      if ($4 ne '') { $is_random_order = 1; }
     if (foldername) {              if ($folder eq 'supplemental') {
  targetform.importdetail.value=foldername+"="+folderseq;                  if ($allowed) {
         targetform.submit();                      $name = &mt('Supplemental '.$type.' Documents');
     }                  } else {
 }                      $name = &mt($type.' Documents');
                   }
 function makenewext(targetname) {              }
     this.document.forms.extimport.useform.value=targetname;      &Apache::lonhtmlcommon::add_breadcrumb(
     window.open('/adm/rat/extpickframe.html');        {'href'=>$url.$cpinfo,
 }         'title'=>$name,
          'text'=>'<font size="+1">'.
 function makeexamupload() {     $name.'</font>',
    var title=prompt('Listed Title for the Uploaded Score');         'no_mt'=>1,
    if (title) {          });
     this.document.forms.newexamupload.importdetail.value=   $plain.=$name.' &gt; ';
  title+'=/res/lib/templates/examupload.problem';      }
     this.document.forms.newexamupload.submit();      $plain=~s/\&gt\;\s*$//;
    }      return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
 }         'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
   }
 function makesmppage() {  
    var title=prompt('Listed Title for the Page');  sub log_docs {
    if (title) {       return &Apache::lonnet::instructor_log('docslog',@_);
     this.document.forms.newsmppg.importdetail.value=  }
  title+'=/adm/$udom/$uname/$now/smppg';  
     this.document.forms.newsmppg.submit();  {
    }      my @oldresources=();
 }      my @oldorder=();
       my $parmidx;
 function makesmpproblem() {      my %parmaction=();
    var title=prompt('Listed Title for the Problem');      my %parmvalue=();
    if (title) {       my $changedflag;
     this.document.forms.newsmpproblem.importdetail.value=  
  title+'=/res/lib/templates/simpleproblem.problem';      sub snapshotbefore {
     this.document.forms.newsmpproblem.submit();          @oldresources=@LONCAPA::map::resources;
    }          @oldorder=@LONCAPA::map::order;
 }          $parmidx=undef;
           %parmaction=();
 function makebulboard() {          %parmvalue=();
    var title=prompt('Listed Title for the Bulletin Board');          $changedflag=0;
    if (title) {      }
     this.document.forms.newbul.importdetail.value=  
  title+'=/adm/$udom/$uname/$now/bulletinboard';      sub remember_parms {
     this.document.forms.newbul.submit();          my ($idx,$parameter,$action,$value)=@_;
    }          $parmidx=$idx;
 }          $parmaction{$parameter}=$action;
           $parmvalue{$parameter}=$value;
 function makeabout() {          $changedflag=1;
    var user=prompt("Enter user\@domain for User's 'About Me' Page");      }
    if (user) {  
        var comp=new Array();      sub log_differences {
        comp=user.split('\@');          my ($plain)=@_;
        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {          my %storehash=('folder' => $plain,
    if ((comp[0]) && (comp[1])) {                         'currentfolder' => $env{'form.folder'});
        this.document.forms.newaboutsomeone.importdetail.value=          if ($parmidx) {
    'About '+user+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';             $storehash{'parameter_res'}=$oldresources[$parmidx];
        this.document.forms.newaboutsomeone.submit();             foreach my $parm (keys(%parmaction)) {
    }                $storehash{'parameter_action_'.$parm}=$parmaction{$parm};
        }                $storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
    }             }
 }          }
           my $maxidx=$#oldresources;
 function makeims() {          if ($#LONCAPA::map::resources>$#oldresources) {
     var caller = document.forms.ims.folder.value             $maxidx=$#LONCAPA::map::resources;
     var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one"          }
     newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes")          for (my $idx=0; $idx<=$maxidx; $idx++) {
     newWindow.location.href = newlocation             if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
 }                $storehash{'before_resources_'.$idx}=$oldresources[$idx];
                 $storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
                 $changedflag=1;
 function finishpick() {             }
     var title=this.document.forms.extimport.title.value;             if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
     var url=this.document.forms.extimport.url.value;                $storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
     var form=this.document.forms.extimport.useform.value;                $storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
     eval                $changedflag=1;
      ('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+             }
     '";this.document.forms.'+form+'.submit();');          }
 }   $storehash{'maxidx'}=$maxidx;
           if ($changedflag) { &log_docs(\%storehash); }
 function changename(folderpath,index,oldtitle) {      }
     var title=prompt('New Title',oldtitle);  }
     if (title) {  
  this.document.forms.renameform.title.value=title;  
  this.document.forms.renameform.cmd.value='rename_'+index;  
  this.document.forms.renameform.folderpath.value=folderpath;  
         this.document.forms.renameform.submit();  
     }  sub docs_change_log {
 }      my ($r)=@_;
       my $folder=$env{'form.folder'};
 function removeres(folderpath,index,oldtitle) {      $r->print(&Apache::loncommon::start_page('Course Document Change Log'));
     if (confirm('Remove "'+oldtitle+'"?')) {      $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
  this.document.forms.renameform.cmd.value='del_'+index;      my %docslog=&Apache::lonnet::dump('nohist_docslog',
  this.document.forms.renameform.folderpath.value=folderpath;                                        $env{'course.'.$env{'request.course.id'}.'.domain'},
         this.document.forms.renameform.submit();                                        $env{'course.'.$env{'request.course.id'}.'.num'});
     }  
 }      if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
 </script>  
       $r->print('<form action="/adm/coursedocs" method="post" name="docslog">'.
 ENDNEWSCRIPT                '<input type="hidden" name="docslog" value="1" />');
   }  
 # -------------------------------------------------------------------- Body tag      my %saveable_parameters = ('show' => 'scalar',);
   $r->print('</head>'.      &Apache::loncommon::store_course_settings('docs_log',
             &Apache::loncommon::bodytag('Course Documents','',$events,                                                \%saveable_parameters);
  '','',$showdoc).      &Apache::loncommon::restore_course_settings('docs_log',
     &Apache::loncommon::help_open_faq(273).                                                  \%saveable_parameters);
     &Apache::loncommon::help_open_bug('RAT'));      if (!$env{'form.show'}) { $env{'form.show'}=10; }
   unless ($showdoc) {      my %lt=('hiddenresource' => 'Resources hidden',
 # -----------------------------------------------------------------------------      'encrypturl'     => 'URL hidden',
        my %lt=&Apache::lonlocal::texthash(      'randompick'     => 'Randomly pick',
                 'uplm' => 'Upload a new main course document',      'randomorder'    => 'Randomly ordered',
                 'upls' => 'Upload a new supplemental course document',      'set'            => 'set to',
                 'impp' => 'Import a published document',      'del'            => 'deleted');
                 'spec' => 'Special documents',      $r->print(&Apache::loncommon::display_filter().
                 'upld' => 'Upload Document',                '<input type="hidden" name="folder" value="'.$folder.'" />'.
                 'srch' => 'Search',                '<input type="submit" value="'.&mt('Display').'" /></form>');
                 'impo' => 'Import',      $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
                 'selm' => 'Select Map',                '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Folder').'</th><th>'.&mt('Before').'</th><th>'.
                 'load' => 'Load Map',                &mt('After').'</th>'.
                 'newf' => 'New Folder',                &Apache::loncommon::end_data_table_header_row());
                 'extr' => 'External Resource',      my $shown=0;
                 'syll' => 'Syllabus',      foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
                 'navc' => 'Navigate Contents',   if ($env{'form.displayfilter'} eq 'currentfolder') {
                 'sipa' => 'Simple Page',      if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
                 'sipr' => 'Simple Problem',   }
                 'scuf' => 'Score Upload Form',          my @changes=keys(%{$docslog{$id}{'logentry'}});
                 'bull' => 'Bulletin Board',          if ($env{'form.displayfilter'} eq 'containing') {
                 'mypi' => 'My Personal Info',      my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
  'abou' => 'About User',   &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
                 'imsf' => 'Import IMS package',      foreach my $key (@changes) {
                 'file' =>  'File',   $wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
                 'title' => 'Title',      }
                 'comment' => 'Comment'       if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }        
   );   }
 # -----------------------------------------------------------------------------          my $count = 0;
     if ($allowed) {          my $time =
        my $dumpbut=&dumpbutton();              &Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
        my %lt=&Apache::lonlocal::texthash(          my $plainname =
  'vc' => 'Verify Content',              &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
  'cv' => 'Check/Set Resource Versions',                                            $docslog{$id}{'exe_udom'});
   );          my $about_me_link =
               &Apache::loncommon::aboutmewrapper($plainname,
        my $folderpath=$ENV{'form.folderpath'};                                                 $docslog{$id}{'exe_uname'},
        if (!$folderpath) {                                                 $docslog{$id}{'exe_udom'});
    if ($ENV{'form.folder'} eq '' ||          my $send_msg_link='';
        $ENV{'form.folder'} eq 'supplemental') {          if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
        $folderpath='default&'.               || ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
    &Apache::lonnet::escape(&mt('Main Course Documents'));              $send_msg_link ='<br />'.
    }                  &Apache::loncommon::messagewrapper(&mt('Send message'),
        }                                                     $docslog{$id}{'exe_uname'},
        $r->print(<<ENDCOURSEVERIFY);                                                     $docslog{$id}{'exe_udom'});
 <form name="renameform" method="post" action="/adm/coursedocs">          }
 <input type="hidden" name="title" />          $r->print(&Apache::loncommon::start_data_table_row());
 <input type="hidden" name="cmd" />          $r->print('<td>'.$time.'</td>
 <input type="hidden" name="folderpath" />                         <td>'.$about_me_link.
 </form>                    '<br /><tt>'.$docslog{$id}{'exe_uname'}.
 <form name="simpleedit" method="post" action="/adm/coursedocs">                                    ':'.$docslog{$id}{'exe_udom'}.'</tt>'.
 <input type=hidden name="importdetail" value="">                    $send_msg_link.'</td><td>'.
 <input type="hidden" name="folderpath" value="$folderpath" />                    $docslog{$id}{'logentry'}{'folder'}.'</td><td>');
 </form>  # Before
 <form action="/adm/coursedocs" method="post" name="courseverify">   for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 <table bgcolor="#AAAAAA" width="100%" cellspacing="4" cellpadding="4">      my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 <tr><td bgcolor="#DDDDCC">      my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 <input type="submit" name="verify" value="$lt{'vc'}" />      if ($oldname ne $newname) {
 </td><td bgcolor="#DDDDCC">   $r->print(&LONCAPA::map::qtescape($oldname));
 <input type="submit" name="versions" value="$lt{'cv'}" />      }
 $dumpbut   }
 </td></tr></table>   $r->print('<ul>');
 </form>   for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 ENDCOURSEVERIFY              if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',   $r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'before_order_res_'.$idx}))[0]).'</li>');
      &mt('Editing the Table of Contents for your Course')));      }
     }   }
 # --------------------------------------------------------- Standard documents   $r->print('</ul>');
     $r->print('<table border=2 cellspacing=4 cellpadding=4>');  # After
     if (($standard) && ($allowed) && (!$forcesupplement)) {          $r->print('</td><td>');
  $r->print('<tr><td bgcolor="#BBBBBB">');  
 #  '<h2>'.&mt('Main Course Documents').   for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 #  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');      my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
        my $folder=$ENV{'form.folder'};      my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
        if ($folder eq '' || $folder eq 'supplemental') {      if ($oldname ne '' && $oldname ne $newname) {
            $folder='default';   $r->print(&LONCAPA::map::qtescape($newname));
    $ENV{'form.folderpath'}='default&'.&Apache::lonnet::escape(&mt('Main Course Documents'));      }
        }   }        
        my $postexec='';   $r->print('<ul>');
        if ($folder eq 'default') {   for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
    $r->print('<script>this.window.name="loncapaclient";</script>');              if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
        } else {   $r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'after_order_res_'.$idx}))[0]).'</li>');
            #$postexec='self.close();';      }
        }   }
        $hadchanges=0;   $r->print('</ul>');
        &editor($r,$coursenum,$coursedom,$folder,$allowed);   if ($docslog{$id}{'logentry'}{'parameter_res'}) {
        if ($hadchanges) {      $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
    &changewarning($r,$postexec);      foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
        }   if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.      $r->print('<li>'.
                      '.sequence';        &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
        $r->print(<<ENDFORM);    $docslog{$id}{'logentry'}{'parameter_value_'.$parameter})
 <table cellspacing=4 cellpadding=4><tr>        .'</li>');
 <th bgcolor="#DDDDDD">$lt{'uplm'}</th>   }
 <th bgcolor="#DDDDDD">$lt{'impp'}</th>      }
 <th bgcolor="#DDDDDD">$lt{'spec'}</th>      $r->print('</ul>');
 </tr>   }
 <tr><td bgcolor="#DDDDDD">  # End
 $lt{'file'}:<br />          $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">          $shown++;
 <input type="file" name="uploaddoc" size="40">          if (!($env{'form.show'} eq &mt('all')
 <br />                || $shown<=$env{'form.show'})) { last; }
 $lt{'title'}:<br />      }
 <input type="text" size="50" name="comment">      $r->print(&Apache::loncommon::end_data_table());
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />  }
 <input type="hidden" name="cmd" value="upload_default">  
 <input type="submit" value="$lt{'upld'}">  sub update_paste_buffer {
 <nobr>      my ($coursenum,$coursedom) = @_;
  $help{'Uploading_From_Harddrive'}  
 </nobr>      return if (!defined($env{'form.markcopy'}));
 </form>      return if (!defined($env{'form.copyfolder'}));
 </td>      return if ($env{'form.markcopy'} < 0);
 <td bgcolor="#DDDDDD">  
 <form action="/adm/coursedocs" method="post" name="simpleeditdefault">      my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />      $env{'form.copyfolder'});
 <input type=button onClick="javascript:groupsearch()" value="$lt{'srch'}">     
 <nobr>      return if ($fatal);
 <input type=button onClick="javascript:groupimport();" value="$lt{'impo'}">  
 $help{'Importing_LON-CAPA_Resource'}  # Mark for copying
 </nobr>      my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
 <p>      if (&is_supplemental_title($title)) {
 <hr />          &Apache::lonnet::appenv({'docs.markedcopy_supplemental' => $title});
 <input type="text" size="20" name="importmap"><br />   ($title) = &parse_supplemental_title($title);
 <nobr><input type=button       } elsif ($env{'docs.markedcopy_supplemental'}) {
 onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"          &Apache::lonnet::delenv('docs\\.markedcopy_supplemental');
 value="$lt{'selm'}"> <input type="submit" name="loadmap" value="$lt{'load'}">      }
 $help{'Load_Map'}</nobr>      $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 </p>  
 </form>      &Apache::lonnet::appenv({'docs.markedcopy_title' => $title,
 </td><td bgcolor="#DDDDDD">      'docs.markedcopy_url'   => $url});
 <form action="/adm/coursedocs" method="post" name="newfolder">      delete($env{'form.markcopy'});
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />  }
 <input type=hidden name="importdetail" value="">  
 <nobr>  sub print_paste_buffer {
 <input name="newfolder" type="button"      my ($r,$container) = @_;
 onClick="javascript:makenewfolder(this.form,'$folderseq');"      return if (!defined($env{'docs.markedcopy_url'}));
 value="$lt{'newf'}" />$help{'Adding_Folders'}  
 </nobr>      $r->print(<<ENDPASTE);
 </form>  <form name="pasteform" action="/adm/coursedocs" method="post"><p>
 <form action="/adm/coursedocs" method="post" name="newext">  ENDPASTE
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />      $r->print('<input type="submit" name="pastemarked" value="'.&mt('Paste').'" /> ');
 <input type=hidden name="importdetail" value="">  
 <nobr>      my $type;
 <input name="newext" type="button" onClick="javascript:makenewext('newext');"      if ($env{'docs.markedcopy_url'} =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
 value="$lt{'extr'}" /> $help{'Adding_External_Resource'}   $type = &mt('External Resource');
 </nobr>   $r->print($type.': '.
 </form>    &LONCAPA::map::qtescape($env{'docs.markedcopy_title'}).' ('.
 <form action="/adm/coursedocs" method="post" name="newsyl">    &LONCAPA::map::qtescape($env{'docs.markedcopy_url'}).')');
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />      }  else {
 <input type=hidden name="importdetail"    my $extension = (split(/\./,$env{'docs.markedcopy_url'}))[-1];
 value="Syllabus=/public/$coursedom/$coursenum/syllabus">   my $icon = &Apache::loncommon::icon($extension);
 <nobr>   if ($extension eq 'sequence' &&
 <input name="newsyl" type="submit" value="$lt{'syll'}" />       $env{'docs.markedcopy_url'} =~ m{/default_\d+\.sequence$ }x) {
  $help{'Syllabus'}      $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
 </nobr>      $icon .= '/folder_closed.gif';
 </form>   }
 <form action="/adm/coursedocs" method="post" name="newnav">   $icon = '<img src="'.$icon.'" alt="" class="LC_icon" />';
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />   $r->print($icon.$type.': '.  &parse_supplemental_title(&LONCAPA::map::qtescape($env{'docs.markedcopy_title'})));
 <input type=hidden name="importdetail"       }
 value="Navigate Content=/adm/navmaps">      if ($container eq 'page') {
 <nobr>   $r->print('
 <input name="newnav" type="submit" value="$lt{'navc'}" />   <input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />
 $help{'Navigate_Content'}   <input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />
 </nobr>  ');
 </form>      } else {
 <form action="/adm/coursedocs" method="post" name="newsmppg">   $r->print('
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />          <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
 <input type=hidden name="importdetail" value="">  ');
 <nobr>      }
 <input name="newsmppg" type="button" value="$lt{'sipa'}"      $r->print('</p></form>');
 onClick="javascript:makesmppage();" /> $help{'Simple Page'}  }
 </nobr>  
 </form>  sub do_paste_from_buffer {
 <form action="/adm/coursedocs" method="post" name="newsmpproblem">      my ($coursenum,$coursedom,$folder) = @_;
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />  
 <input type=hidden name="importdetail" value="">      if (!$env{'form.pastemarked'}) {
 <nobr>          return;
 <input name="newsmpproblem" type="button" value="$lt{'sipr'}"      }
 onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}  
 </nobr>  # paste resource to end of list
 </form>      my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url'});
 <form action="/adm/coursedocs" method="post" name="newexamupload">      my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title'});
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />  # Maps need to be copied first
 <input type=hidden name="importdetail" value="">      if (($url=~/\.(page|sequence)$/) && ($url=~/^\/uploaded\//)) {
 <nobr>   $title=&mt('Copy of').' '.$title;
 <input name="newexamupload" type="button" value="$lt{'scuf'}"   my $newid=$$.int(rand(100)).time;
 onClick="javascript:makeexamupload();" />   my ($oldid,$ext) = ($url=~/^(.+)\.(\w+)$/);
 $help{'Score_Upload_Form'}          if ($oldid =~ m{^(/uploaded/\Q$coursedom\E/\Q$coursenum\E/)(\D+)(\d+)$}) {
 </nobr>              my $path = $1;
 </form>              my $prefix = $2;
 <form action="/adm/coursedocs" method="post" name="newbul">              my $ancestor = $3;
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />              if (length($ancestor) > 10) {
 <input type=hidden name="importdetail" value="">                  $ancestor = substr($ancestor,-10,10);
 <nobr>              }
 <input name="newbulletin" type="button" value="$lt{'bull'}"              $oldid = $path.$prefix.$ancestor;
 onClick="javascript:makebulboard();" />          }
 $help{'Bulletin Board'}          my $counter = 0;
 </nobr>          my $newurl=$oldid.$newid.'.'.$ext;
 </form>          my $is_unique = &uniqueness_check($newurl);
 <form action="/adm/coursedocs" method="post" name="newaboutme">          while (!$is_unique && $counter < 100) {
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />              $counter ++;
 <input type=hidden name="importdetail"               $newid ++;
 value="$plainname=/adm/$udom/$uname/aboutme">              $newurl = $oldid.$newid;
 <nobr>              $is_unique = &uniqueness_check($newurl);
 <input name="newaboutme" type="submit" value="$lt{'mypi'}" />          }
 $help{'My Personal Info'}          if (!$is_unique) {
 </nobr>              if ($url=~/\.page$/) {
 </form>                  return &mt('Paste failed: an error occurred creating a unique URL for the composite page');
 <form action="/adm/coursedocs" method="post" name="newaboutsomeone">              } else {
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />                  return &mt('Paste failed: an error occurred creating a unique URL for the folder');
 <input type=hidden name="importdetail" value="">              }
 <nobr>          }
 <input name="newaboutsomeone" type="button" value="$lt{'abou'}"    my $storefn=$newurl;
 onClick="javascript:makeabout();" />   $storefn=~s{^/\w+/$match_domain/$match_username/}{};
 </nobr>   my $paste_map_result =
 </form>              &Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
 <form action="/adm/imsimportdocs" method="post" name="ims">         &Apache::lonnet::getfile($url));
 <input type="hidden" name="folder" value="$folder" />          if ($paste_map_result eq '/adm/notfound.html') {
 <input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />              if ($url=~/\.page$/) {
 </nobr>                  return &mt('Paste failed: an error occurred saving the composite page');
 </form>              } else {
 </td></tr>                  return &mt('Paste failed: an error occurred saving the folder');
 </table>              }
 ENDFORM          }
        $r->print('</td></tr>');   $url = $newurl;
     }      }
 # ----------------------------------------------------- Supplemental documents  # published maps can only exists once, so remove it from paste buffer when done
     if (!$forcestandard) {      if (($url=~/\.(page|sequence)$/) && ($url=~m {^/res/})) {
        $r->print('<tr><td bgcolor="#BBBBBB">');   &Apache::lonnet::delenv('docs\\.markedcopy');
 # '<h2>'.&mt('Supplemental Course Documents').      }
 #  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');      if ($url=~ m{/smppg$}) {
        my $folder=$ENV{'form.folder'};   my $db_name = &Apache::lonsimplepage::get_db_name($url);
        unless ($folder=~/^supplemental/) {   if ($db_name =~ /^smppage_/) {
    $folder='supplemental';      #simple pages, need to copy the db contents to a new one.
        }      my %contents=&Apache::lonnet::dump($db_name,$coursedom,$coursenum);
        if ($folder =~ /^supplemental$/ &&      my $now = time();
    $ENV{'form.folderpath'} =~ /^default\&/) {      $db_name =~ s{_\d*$ }{_$now}x;
    $ENV{'form.folderpath'}='supplemental&'.      my $result=&Apache::lonnet::put($db_name,\%contents,
        &Apache::lonnet::escape(&mt('Supplemental Course Documents'));      $coursedom,$coursenum);
        }      $url =~ s{/(\d*)/smppg$ }{/$now/smppg}x;
        &editor($r,$coursenum,$coursedom,$folder,$allowed);      $title=&mt('Copy of').' '.$title;
        if ($allowed) {   }
        my $folderseq=      }
                   '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.      $title = &LONCAPA::map::qtunescape($title);
                      '.sequence';      my $ext='false';
       if ($url=~m{^http(|s)://}) { $ext='true'; }
           $r->print(<<ENDSUPFORM);      $url       = &LONCAPA::map::qtunescape($url);
 <table cellspacing=4 cellpadding=4><tr>  # Now insert the URL at the bottom
 <th bgcolor="#DDDDDD">$lt{'upls'}</th>      my $newidx = &LONCAPA::map::getresidx($url);
 <th bgcolor="#DDDDDD">$lt{'spec'}</th>      if ($env{'docs.markedcopy_supplemental'}) {
 </tr>          if ($folder =~ /^supplemental/) {
 <tr><td bgcolor="#DDDDDD">              $title = $env{'docs.markedcopy_supplemental'};
 <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">          } else {
 <input type="file" name="uploaddoc" size="40">              (undef,undef,$title) =
 <br />$lt{'comment'}:<br />                  &parse_supplemental_title($env{'docs.markedcopy_supplemental'});
 <textarea cols=50 rows=4 name='comment'>          }
 </textarea>      } else {
 <br />          if ($folder=~/^supplemental/) {
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />             $title=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
 <input type="hidden" name="cmd" value="upload_supplemental">                    $env{'user.domain'}.'___&&&___'.$title;
 <nobr>          }
 <input type="submit" value="$lt{'upld'}">      }
  $help{'Uploading_From_Harddrive'}  
 </nobr>      $LONCAPA::map::resources[$newidx]= $title.':'.$url.':'.$ext.':normal:res';
 </form>      push(@LONCAPA::map::order, $newidx);
 </td>      return 'ok';
 <td bgcolor="#DDDDDD">  # Store the result
 <form action="/adm/coursedocs" method="post" name="supnewfolder">  }
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />  
 <input type=hidden name="importdetail" value="">  sub uniqueness_check {
 <nobr>      my ($newurl) = @_;
 <input name="newfolder" type="button"      my $unique = 1;
 onClick="javascript:makenewfolder(this.form,'$folderseq');"      foreach my $res (@LONCAPA::map::order) {
 value="$lt{'newf'}" /> $help{'Adding_Folders'}          my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
 </nobr>          $url=&LONCAPA::map::qtescape($url);
 </form>          if ($newurl eq $url) {
 <form action="/adm/coursedocs" method="post" name="supnewext">              $unique = 0;
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />              last;    
 <input type=hidden name="importdetail" value="">          }
 <nobr>      }
 <input name="newext" type="button"       return $unique;
 onClick="javascript:makenewext('supnewext');"  }
 value="$lt{'extr'}" /> $help{'Adding_External_Resource'}  
 </nobr>  my %parameter_type = ( 'randompick'     => 'int_pos',
 </form>         'hiddenresource' => 'string_yesno',
 <form action="/adm/coursedocs" method="post" name="supnewsyl">         'encrypturl'     => 'string_yesno',
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />         'randomorder'    => 'string_yesno',);
 <input type=hidden name="importdetail"   my $valid_parameters_re = join('|',keys(%parameter_type));
 value="Syllabus=/public/$coursedom/$coursenum/syllabus">  # set parameters
 <nobr>  sub update_parameter {
 <input name="newsyl" type="submit" value="$lt{'syll'}" />  
 $help{'Syllabus'}      return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
 </nobr>  
 </form>      my $which = $env{'form.changeparms'};
 <form action="/adm/coursedocs" method="post" name="subnewaboutme">      my $idx = $env{'form.setparms'};
 <input type="hidden" name="folderpath" value="$ENV{'form.folderpath'}" />      if ($env{'form.'.$which.'_'.$idx}) {
 <input type=hidden name="importdetail"    my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$idx}
 value="$plainname=/adm/$udom/$uname/aboutme">                                       : 'yes';
 <nobr>   &LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
 <input name="newaboutme" type="submit" value="$lt{'mypi'}" />        $parameter_type{$which});
 $help{'My Personal Info'}   &remember_parms($idx,$which,'set',$value);
 </nobr>      } else {
 </form>   &LONCAPA::map::delparameter($idx,'parameter_'.$which);
 </td></tr>  
 </table></td></tr>   &remember_parms($idx,$which,'del');
 ENDSUPFORM      }
        }      return 1;
     }  }
     if ($allowed) {  
  $r->print('<form name="extimport"><input type="hidden" name="title"><input type="hidden" name="url"><input type="hidden" name="useform"></form>');  
     }  sub handle_edit_cmd {
     $r->print('</table>');      my ($coursenum,$coursedom) =@_;
   } else {  
 # -------------------------------------------------------- This is showdoc mode      my ($cmd,$idx)=split('_',$env{'form.cmd'});
       $r->print("<h1>".&mt('Uploaded Document').'</h1><p>'.  
 &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><p><table>".      my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
          &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table></p>');      my ($title, $url, @rrest) = split(':', $ratstr);
   }  
  }      if ($cmd eq 'del') {
  $r->print('</body></html>');   if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
  return OK;      ($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
 }       &Apache::lonnet::removeuploadedurl($url);
    } else {
 1;      &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
 __END__   }
    splice(@LONCAPA::map::order, $idx, 1);
   
       } elsif ($cmd eq 'cut') {
    &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
    splice(@LONCAPA::map::order, $idx, 1);
   
       } elsif ($cmd eq 'up'
        && ($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
    @LONCAPA::map::order[$idx-1,$idx] = @LONCAPA::map::order[$idx,$idx-1];
   
       } elsif ($cmd eq 'down'
        && defined($LONCAPA::map::order[$idx+1])) {
    @LONCAPA::map::order[$idx+1,$idx] = @LONCAPA::map::order[$idx,$idx+1];
   
       } elsif ($cmd eq 'rename') {
   
    my $comment = &LONCAPA::map::qtunescape($env{'form.title'});
    if ($comment=~/\S/) {
       $LONCAPA::map::resources[$LONCAPA::map::order[$idx]]=
    $comment.':'.join(':', $url, @rrest);
    }
   # Devalidate title cache
    my $renamed_url=&LONCAPA::map::qtescape($url);
    &Apache::lonnet::devalidate_title_cache($renamed_url);
       } else {
    return 0;
       }
       return 1;
   }
   
   sub editor {
       my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$type)=@_;
   
       my $container= ($env{'form.pagepath'}) ? 'page'
                              : 'sequence';
   
       my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
       $folder.'.'.$container);
       return $errtext if ($fatal);
   
       if ($#LONCAPA::map::order<1) {
    my $idx=&LONCAPA::map::getresidx();
    if ($idx<=0) { $idx=1; }
           $LONCAPA::map::order[0]=$idx;
           $LONCAPA::map::resources[$idx]='';
       }
      
       my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order)=
    &breadcrumbs($folder,$allowed,$type);
       $r->print($breadcrumbtrail);
      
   # ------------------------------------------------------------ Process commands
   
   # ---------------- if they are for this folder and user allowed to make changes
       if (($allowed) && ($env{'form.folder'} eq $folder)) {
   # set parameters and change order
    &snapshotbefore();
   
    if (&update_parameter()) {
       ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
       return $errtext if ($fatal);
    }
   
    if ($env{'form.newpos'} && $env{'form.currentpos'}) {
   # change order
       my $res = splice(@LONCAPA::map::order,$env{'form.currentpos'}-1,1);
       splice(@LONCAPA::map::order,$env{'form.newpos'}-1,0,$res);
   
       ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
       return $errtext if ($fatal);
    }
       
    if ($env{'form.pastemarked'}) {
               my $paste_res =
                   &do_paste_from_buffer($coursenum,$coursedom,$folder);
               if ($paste_res eq 'ok') {
                   ($errtext,$fatal) = &storemap($coursenum,$coursedom,$folder.'.'.$container);
                   return $errtext if ($fatal);
               } elsif ($paste_res ne '') {
                   $r->print('<p><span class="LC_error">'.$paste_res.'</span></p>');
               }
    }
   
    $r->print($upload_output);
   
    if (&handle_edit_cmd()) {
       ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
       return $errtext if ($fatal);
    }
   # Group import/search
    if ($env{'form.importdetail'}) {
       my @imports;
       foreach my $item (split(/\&/,$env{'form.importdetail'})) {
    if (defined($item)) {
       my ($name,$url,$residx)=
    map {&unescape($_)} split(/\=/,$item);
       push(@imports, [$name, $url, $residx]);
    }
       }
       ($errtext,$fatal)=&group_import($coursenum, $coursedom, $folder,
       $container,'londocs',@imports);
       return $errtext if ($fatal);
    }
   # Loading a complete map
    if ($env{'form.loadmap'}) {
       if ($env{'form.importmap'}=~/\w/) {
    foreach my $res (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
       my ($title,$url,$ext,$type)=split(/\:/,$res);
       my $idx=&LONCAPA::map::getresidx($url);
       $LONCAPA::map::resources[$idx]=$res;
       $LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
    }
    ($errtext,$fatal)=&storemap($coursenum,$coursedom,
       $folder.'.'.$container);
    return $errtext if ($fatal);
       } else {
    $r->print('<p><span class="LC_error">'.&mt('No map selected.').'</span></p>');
   
       }
    }
    &log_differences($plain);
       }
   # ---------------------------------------------------------------- End commands
   # ---------------------------------------------------------------- Print screen
       my $idx=0;
       my $shown=0;
       if (($ishidden) || ($isencrypted) || ($randompick>=0) || ($is_random_order)) {
    $r->print('<p>'.&mt('Parameters').':<ul>'.
     ($randompick>=0?'<li>'.&mt('randomly pick [_1] resources',$randompick).'</li>':'').
     ($ishidden?'<li>'.&mt('contents hidden').'</li>':'').
     ($isencrypted?'<li>'.&mt('URLs hidden').'</li>':'').
     '</ul></p>');
       }                                                                                                    
       if ($randompick>=0) {
    $r->print('<p>'.&mt('Caution: this folder is set to randomly pick a subset of resources. Adding or removing resources from this folder will change the set of resources that the students see, resulting in spurious or missing credit for completed problems, not limited to ones you modify. Do not modify the contents of this folder if it is in active student use.').'</p>');
       }
       if ($is_random_order) {
    $r->print('<p>'.&mt('Caution: this folder is set to randomly order its contents. Adding or removing resources from this folder will change the order of resources shown.').'</p>');
       }
       $r->print('<table class="LC_docs_editor">');
       foreach my $res (@LONCAPA::map::order) {
    my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
    $name=&LONCAPA::map::qtescape($name);
    $url=&LONCAPA::map::qtescape($url);
    unless ($name) {  $name=(split(/\//,$url))[-1]; }
    unless ($name) { $idx++; next; }
    $r->print(&entryline($idx,$name,$url,$folder,$allowed,$res,
        $coursenum));
    $idx++;
    $shown++;
       }
       unless ($shown) {
    $r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
       }
       $r->print("\n</table>\n");
       if ($allowed) {
           &print_paste_buffer($r,$container);
       }
       return;
   }
   
   sub process_file_upload {
       my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
   # upload a file, if present
       my $parseaction;
      if ($env{'form.parserflag'}) {
           $parseaction = 'parse';
       }
       my $phase_status;
       my $folder=$env{'form.folder'};
       if ($folder eq '') {
           $folder='default';
       }
       if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
           my $errtext='';
           my $fatal=0;
           my $container='sequence';
           if ($env{'form.pagepath'}) {
               $container='page';
           }
           ($errtext,$fatal)=
                 &mapread($coursenum,$coursedom,$folder.'.'.$container);
           if ($#LONCAPA::map::order<1) {
               $LONCAPA::map::order[0]=1;
               $LONCAPA::map::resources[1]='';
           }
           if ($fatal) {
               return 'failed';
           }
           my $destination = 'docs/';
           if ($folder =~ /^supplemental/) {
               $destination = 'supplemental/';
           }
           if (($folder eq 'default') || ($folder eq 'supplemental')) {
               $destination .= 'default/';
           } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
               $destination .=  $2.'/';
           }
   # this is for a course, not a user, so set coursedoc flag
   # probably the only place in the system where this should be "1"
           my $newidx=&LONCAPA::map::getresidx();
           $destination .= $newidx;
           my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
    $parseaction,$allfiles,
    $codebase);
           my $ext='false';
           if ($url=~m{^http://}) { $ext='true'; }
    $url     = &LONCAPA::map::qtunescape($url);
           my $comment=$env{'form.comment'};
    $comment = &LONCAPA::map::qtunescape($comment);
           if ($folder=~/^supplemental/) {
                 $comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
                     $env{'user.domain'}.'___&&&___'.$comment;
           }
   
           $LONCAPA::map::resources[$newidx]=
       $comment.':'.$url.':'.$ext.':normal:res';
           $LONCAPA::map::order[$#LONCAPA::map::order+1]= $newidx;
           ($errtext,$fatal)=&storemap($coursenum,$coursedom,
       $folder.'.'.$container);
           if ($fatal) {
               $$upload_output .= '<p><span class="LC_error">'.$errtext.'</span></p>';
               return 'failed';
           } else {
               if ($parseaction eq 'parse') {
                   my $total_embedded = keys(%{$allfiles});
                   if ($total_embedded > 0) {
                       my $num = 0;
       my $state = '
      <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
      <input type="hidden" name="cmd" value="upload_embedded" />
      <input type="hidden" name="newidx" value="'.$newidx.'" />
      <input type="hidden" name="primaryurl" value="'.&escape($url).'" />
      <input type="hidden" name="phasetwo" value="'.$total_embedded.'" />';
       $phase_status = 'phasetwo';
   
                       $$upload_output .=
    'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />'.
    &Apache::loncommon::ask_for_embedded_content(
                               '/adm/coursedocs',$state,$allfiles,$codebase);
                   } else {
                       $$upload_output .= 'No embedded items identified<br />';
                   }
               }
           }
       }
       return $phase_status;
   }
   
   sub process_secondary_uploads {
       my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
       my $folder=$env{'form.folder'};
       my $destination = 'docs/';
       if ($folder =~ /^supplemental/) {
           $destination = 'supplemental/';
       }
       if (($folder eq 'default') || ($folder eq 'supplemental')) {
           $destination .= 'default/';
       } elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
           $destination .=  $2.'/';
       }
       $destination .= $newidx;
       my ($url,$filename);
       $url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
       ($filename) = ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/\Q$destination\E/(.+)$});
       return $filename;
   }
   
   sub is_supplemental_title {
       my ($title) = @_;
       return scalar($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/);
   }
   
   sub parse_supplemental_title {
       my ($title) = @_;
   
       my ($foldertitle,$renametitle);
       if ($title =~ /&amp;&amp;&amp;/) {
    $title = &HTML::Entites::decode($title);
       }
    if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
    $renametitle=$4;
    my ($time,$uname,$udom) = ($1,$2,$3);
    $foldertitle=&Apache::lontexconvert::msgtexconverted($4);
    my $name =  &Apache::loncommon::plainname($uname,$udom);
    $name = &HTML::Entities::encode($name,'"<>&\'');
    $title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
       $name.': <br />'.$foldertitle;
       }
       if (wantarray) {
    return ($title,$foldertitle,$renametitle);
       }
       return $title;
   }
   
   # --------------------------------------------------------------- An entry line
   
   sub entryline {
       my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
   
       my ($foldertitle,$pagetitle,$renametitle);
       if (&is_supplemental_title($title)) {
    ($title,$foldertitle,$renametitle) = &parse_supplemental_title($title);
    $pagetitle = $foldertitle;
       } else {
    $title=&HTML::Entities::encode($title,'"<>&\'');
    $renametitle=$title;
    $foldertitle=$title;
    $pagetitle=$title;
       }
   
       my $orderidx=$LONCAPA::map::order[$index];
      
   
       $renametitle=~s/\\/\\\\/g;
       $renametitle=~s/\&quot\;/\\\"/g;
       $renametitle=~s/ /%20/g;
       my $line='<tr>';
       my ($form_start,$form_end);
   # Edit commands
       my ($container, $type, $esc_path, $path, $symb);
       if ($env{'form.folderpath'}) {
    $type = 'folder';
           $container = 'sequence';
    $esc_path=&escape($env{'form.folderpath'});
    $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
    # $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
       }
       if ($env{'form.pagepath'}) {
           $type = $container = 'page';
           $esc_path=&escape($path = $env{'form.pagepath'});
    $path = &HTML::Entities::encode($env{'form.pagepath'},'<>&"');
           $symb=&escape($env{'form.pagesymb'});
       }
       my $cpinfo='';
       if ($allowed) {
    my $incindex=$index+1;
    my $selectbox='';
    if (($folder!~/^supplemental/) &&
       ($#LONCAPA::map::order>0) &&
       ((split(/\:/,
        $LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1]
        ne '') &&
       ((split(/\:/,
        $LONCAPA::map::resources[$LONCAPA::map::order[1]]))[1]
        ne '')) {
       $selectbox=
    '<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
    '<select name="newpos" onChange="this.form.submit()">';
       for (my $i=1;$i<=$#LONCAPA::map::order+1;$i++) {
    if ($i==$incindex) {
       $selectbox.='<option value="" selected="1">('.$i.')</option>';
    } else {
       $selectbox.='<option value="'.$i.'">'.$i.'</option>';
    }
       }
       $selectbox.='</select>';
    }
    my %lt=&Apache::lonlocal::texthash(
                   'up' => 'Move Up',
    'dw' => 'Move Down',
    'rm' => 'Remove',
                   'ct' => 'Cut',
    'rn' => 'Rename',
    'cp' => 'Copy');
    my $nocopy=0;
           my $nocut=0;
           if ($url=~/\.(page|sequence)$/) {
       if ($url =~ m{/res/}) {
    # no copy for published maps
    $nocopy = 1;
       } else {
    foreach my $item (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url),1)) {
       my ($title,$url,$ext,$type)=split(/\:/,$item);
       if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
    $nocopy=1;
    last;
       }
    }
       }
    }
           if ($url=~/^\/res\/lib\/templates\//) {
              $nocopy=1;
              $nocut=1;
           }
           my $copylink='&nbsp;';
           my $cutlink='&nbsp;';
   
    my $skip_confirm = 0;
    if ( $folder =~ /^supplemental/
        || ($url =~ m{( /smppg$
       |/syllabus$
       |/aboutme$
       |/navmaps$
       |/bulletinboard$
       |\.html$
       |^/adm/wrapper/ext)}x)) {
       $skip_confirm = 1;
    }
   
    if (!$nocopy) {
       $copylink=(<<ENDCOPY);
   <a href='javascript:markcopy("$esc_path","$index","$renametitle","$container","$symb","$folder");' class="LC_docs_copy">$lt{'cp'}</a>
   ENDCOPY
           }
    if (!$nocut) {
       $cutlink=(<<ENDCUT);
   <a href='javascript:cutres("$esc_path","$index","$renametitle","$container","$symb","$folder",$skip_confirm);' class="LC_docs_cut">$lt{'ct'}</a>
   ENDCUT
           }
    $form_start = (<<END);
      <form  action="/adm/coursedocs" method="post">
      <input type="hidden" name="${type}path" value="$path" />
      <input type="hidden" name="${type}symb" value="$symb" />
      <input type="hidden" name="setparms" value="$orderidx" />
      <input type="hidden" name="changeparms" value="0" />
   END
           $form_end = '</form>';
    $line.=(<<END);
   <td>
      <table class="LC_docs_entry_move">
         <tr>
            <td>
               <a href='/adm/coursedocs?cmd=up_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_up.gif" alt='$lt{'up'}' class="LC_icon" /></a>
            </td>
         </tr>
         <tr>
           <td>
              <a href='/adm/coursedocs?cmd=down_$index&amp;${type}path=$esc_path&amp;${type}symb=$symb$cpinfo'><img src="${iconpath}move_down.gif" alt='$lt{'dw'}' class="LC_icon" /></a>
           </td>
         </tr>
       </table>
   </td>
   <td>
      $form_start
      $selectbox
      $form_end
   </td>
   <td class="LC_docs_entry_commands">
      <a href='javascript:removeres("$esc_path","$index","$renametitle","$container","$symb",$skip_confirm);' class="LC_docs_remove">$lt{'rm'}</a>
   $cutlink
      <a href='javascript:changename("$esc_path","$index","$renametitle","$container","$symb");' class="LC_docs_rename">$lt{'rn'}</a>
   $copylink
   </td>
   END
   
       }
   # Figure out what kind of a resource this is
       my ($extension)=($url=~/\.(\w+)$/);
       my $uploaded=($url=~/^\/*uploaded\//);
       my $icon=&Apache::loncommon::icon($url);
       my $isfolder=0;
       my $ispage=0;
       my $folderarg;
       my $pagearg;
       my $pagefile;
       if ($uploaded) {
    if ($extension eq 'sequence') {
       $icon=$iconpath.'/folder_closed.gif';
       $url=~/\Q$coursenum\E\/([\/\w]+)\.sequence$/;
       $url='/adm/coursedocs?';
       $folderarg=$1;
       $isfolder=1;
           } elsif ($extension eq 'page') {
               $icon=$iconpath.'/page.gif';
               $url=~/\Q$coursenum\E\/([\/\w]+)\.page$/;
               $pagearg=$1;
               $url='/adm/coursedocs?';
               $ispage=1;
    } else {
       &Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
    }
       }
      
       my $orig_url = $url;
       my $external = ($url=~s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/});
       if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
    my $symb=&Apache::lonnet::symbclean(
             &Apache::lonnet::declutter('uploaded/'.
              $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
              $env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
              '.sequence').
              '___'.$residx.'___'.
      &Apache::lonnet::declutter($url));
    (undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
    $url=&Apache::lonnet::clutter($url);
    if ($url=~/^\/*uploaded\//) {
       $url=~/\.(\w+)$/;
       my $embstyle=&Apache::loncommon::fileembstyle($1);
       if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
    $url='/adm/wrapper'.$url;
       } elsif ($embstyle eq 'ssi') {
    #do nothing with these
       } elsif ($url!~/\.(sequence|page)$/) {
    $url='/adm/coursedocs/showdoc'.$url;
       }
    } elsif ($url=~m|^/ext/|) {
       $url='/adm/wrapper'.$url;
       $external = 1;
    }
           if (&Apache::lonnet::symbverify($symb,$url)) {
       $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
           } else {
               $url='';
           }
    if ($container eq 'page') {
       my $symb=$env{'form.pagesymb'};
           
       $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
       $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
    }
       }
       my ($parameterset,$rand_order_text) = ('&nbsp;', '&nbsp;');
       if ($isfolder || $extension eq 'sequence') {
    my $foldername=&escape($foldertitle);
    my $folderpath=$env{'form.folderpath'};
    if ($folderpath) { $folderpath.='&' };
   # Append randompick number, hidden, and encrypted with ":" to foldername,
   # so it gets transferred between levels
    $folderpath.=$folderarg.'&'.$foldername.':'.(&LONCAPA::map::getparameter($orderidx,
                                                 'parameter_randompick'))[0]
                                                  .':'.((&LONCAPA::map::getparameter($orderidx,
                                                 'parameter_hiddenresource'))[0]=~/^yes$/i)
                                                  .':'.((&LONCAPA::map::getparameter($orderidx,
                                                 'parameter_encrypturl'))[0]=~/^yes$/i)
                                                  .':'.((&LONCAPA::map::getparameter($orderidx,
                                                 'parameter_randomorder'))[0]=~/^yes$/i);
    $url.='folderpath='.&escape($folderpath).$cpinfo;
    $parameterset='<label>'.&mt('Randomly Pick: ').
       '<input type="text" size="4" onChange="this.form.changeparms.value='."'randompick'".';this.form.submit()" name="randompick_'.$orderidx.'" value="'.
       (&LONCAPA::map::getparameter($orderidx,
                                                 'parameter_randompick'))[0].
                                                 '" />'.
   '<a href="javascript:void(0)">'.&mt('Save').'</a></label>';
       my $ro_set=
       ((&LONCAPA::map::getparameter($orderidx,'parameter_randomorder'))[0]=~/^yes$/i?' checked="checked"':'');
    $rand_order_text ='
   <span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" onClick="this.form.changeparms.value=\'randomorder\';this.form.submit()" '.$ro_set.' /> '.&mt('Random Order').' </label></span>';  
       }
       if ($ispage) {
           my $pagename=&escape($pagetitle);
           my $pagepath;
           my $folderpath=$env{'form.folderpath'};
           if ($folderpath) { $pagepath = $folderpath.'&' };
           $pagepath.=$pagearg.'&'.$pagename;
    my $symb=$env{'form.pagesymb'};
    if (!$symb) {
       my $path='uploaded/'.
    $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
    $env{'course.'.$env{'request.course.id'}.'.num'}.'/';
       $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
          $residx,
          $path.$pagearg.'.page');
    }
    $url.='pagepath='.&escape($pagepath).
       '&amp;pagesymb='.&escape($symb).$cpinfo;
       }
       if ($external) {
    my $form = ($folder =~ /^default/)? 'newext' : 'supnewext';
    $external = '&nbsp;<a class="LC_docs_ext_edit" href="javascript:edittext(\''.$form.'\',\''.$residx.'\',\''.&escape($title).'\',\''.&escape($orig_url).'\');" >'.&mt('Edit').'</a>';
       } else {
    undef($external);
       }
       $line.='
     <td class="LC_docs_entry_icon">
       '.($url?'<a href="'.$url.'">':'').'<img src="'.$icon.'" alt="" class="LC_icon" />'.($url?'</a>':'').'
     </td>
     <td class="LC_docs_entry_title">
       '.($url?"<a href=\"$url\">":'').$title.($url?'</a>':' <span class="LC_docs_reinit_warn">'.&mt('(re-initialize course to access)').'</span>').$external."
     </td>";
       if (($allowed) && ($folder!~/^supplemental/)) {
     my %lt=&Apache::lonlocal::texthash(
          'hd' => 'Hidden',
          'ec' => 'URL hidden');
    my $enctext=
       ((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
    my $hidtext=
       ((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
    $line.=(<<ENDPARMS);
     <td class="LC_docs_entry_parameter">
       $form_start
       <label><input type="checkbox" name="hiddenresource_$orderidx" onClick="this.form.changeparms.value='hiddenresource';this.form.submit()" $hidtext /> $lt{'hd'}</label>
       $form_end
     </td>
     <td class="LC_docs_entry_parameter">
       $form_start
       <label><input type="checkbox" name="encrypturl_$orderidx" onClick="this.form.changeparms.value='encrypturl';this.form.submit()" $enctext /> $lt{'ec'}</label>
       $form_end
     </td>
     <td class="LC_docs_entry_parameter">$form_start $rand_order_text $form_end</td>
     <td class="LC_docs_entry_parameter">$form_start $parameterset $form_end</td>
   ENDPARMS
       }
       $line.="</tr>";
       return $line;
   }
   
   =pod
   
   =item tiehash()
   
   tie the hash
   
   =cut
   
   sub tiehash {
       my ($mode)=@_;
       $hashtied=0;
       if ($env{'request.course.fn'}) {
    if ($mode eq 'write') {
       if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
       &GDBM_WRCREAT(),0640)) {
                   $hashtied=2;
       }
    } else {
       if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
       &GDBM_READER(),0640)) {
                   $hashtied=1;
       }
    }
       }    
   }
   
   sub untiehash {
       if ($hashtied) { untie %hash; }
       $hashtied=0;
       return OK;
   }
   
   
   
   
   sub checkonthis {
       my ($r,$url,$level,$title)=@_;
       $url=&unescape($url);
       $alreadyseen{$url}=1;
       $r->rflush();
       if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
          $r->print("\n<br />");
          if ($level==0) {
              $r->print("<br />");
          }
          for (my $i=0;$i<=$level*5;$i++) {
              $r->print('&nbsp;');
          }
          $r->print('<a href="'.$url.'" target="cat">'.
    ($title?$title:$url).'</a> ');
          if ($url=~/^\/res\//) {
     my $result=&Apache::lonnet::repcopy(
                                 &Apache::lonnet::filelocation('',$url));
             if ($result eq 'ok') {
                $r->print('<span class="LC_success">'.&mt('ok').'</span>');
                $r->rflush();
                &Apache::lonnet::countacc($url);
                $url=~/\.(\w+)$/;
                if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
    $r->print('<br />');
                    $r->rflush();
                    for (my $i=0;$i<=$level*5;$i++) {
                        $r->print('&nbsp;');
                    }
                    $r->print('- '.&mt('Rendering:').' ');
    my ($errorcount,$warningcount)=split(/:/,
          &Apache::lonnet::ssi_body($url,
          ('grade_target'=>'web',
    'return_only_error_and_warning_counts' => 1)));
                    if (($errorcount) ||
                        ($warningcount)) {
        if ($errorcount) {
                           $r->print('<img src="/adm/lonMisc/bomb.gif" /><span class="LC_error">'.
                             &mt('[quant,_1,error]',$errorcount).'</span>');
                        }
        if ($warningcount) {
                           $r->print('<span class="LC_warning">'.
                             &mt('[quant,_1,warning]',$warningcount).'</span>');
                        }
                    } else {
                        $r->print('<span class="LC_success">'.&mt('ok').'</span>');
                    }
                    $r->rflush();
                }
        my $dependencies=
                   &Apache::lonnet::metadata($url,'dependencies');
                foreach my $dep (split(/\,/,$dependencies)) {
    if (($dep=~/^\/res\//) && (!$alreadyseen{$dep})) {
                       &checkonthis($r,$dep,$level+1);
                    }
                }
             } elsif ($result eq 'unavailable') {
                $r->print('<span class="LC_error">'.&mt('connection down').'</span>');
             } elsif ($result eq 'not_found') {
         unless ($url=~/\$/) {
     $r->print('<span class="LC_error">'.&mt('not found').'</b></span>');
         } else {
     $r->print('<span class="LC_unknown">'.&mt('unable to verify variable URL').'</span>');
         }
             } else {
                $r->print('<span class="LC_error">'.&mt('access denied').'</span>');
             }
          }
       }
   }
   
   
   
   =pod
   
   =item list_symbs()
   
   List Symbs
   
   =cut
   
   sub list_symbs {
       my ($r) = @_;
   
       my $type = &Apache::loncommon::course_type();
       $r->print(&Apache::loncommon::start_page('Symb List'));
       $r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
       my $navmap = Apache::lonnavmaps::navmap->new();
       if (!defined($navmap)) {
           $r->print('<h2>'.&mt('Retrieval of List Failed').'</h2>'.
                     '<div class="LC_error">'.
                     &mt('Unable to retrieve information about course contents').
                     '</div>');
           &Apache::lonnet::logthis('Symb list failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
       } else {
           $r->print("<pre>\n");
           foreach my $res ($navmap->retrieveResources()) {
       $r->print($res->compTitle()."\t".$res->symb()."\n");
           }
           $r->print("\n</pre>\n");
       }
       $r->print('<a href="/adm/coursedocs">'.&mt('Return to DOCS').'</a>');
   }
   
   
   sub verifycontent {
       my ($r) = @_;
       my $type = &Apache::loncommon::course_type();
      my $loaderror=&Apache::lonnet::overloaderror($r);
      if ($loaderror) { return $loaderror; }
      $r->print(&Apache::loncommon::start_page('Verify '.$type.' Documents'));
      $r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$type.' Documents'));
      $hashtied=0;
      undef %alreadyseen;
      %alreadyseen=();
      &tiehash();
      foreach my $key (keys(%hash)) {
          if ($hash{$key}=~/\.(page|sequence)$/) {
      if (($key=~/^src_/) && ($alreadyseen{&unescape($hash{$key})})) {
          $r->print('<hr /><span class="LC_error">'.
    &mt('The following sequence or page is included more than once in your '.$type.': ').
    &unescape($hash{$key}).'</span><br />'.
    &mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
      }
          }
          if (($key=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$key})})) {
              &checkonthis($r,$hash{$key},0,$hash{'title_'.$1});
          }
      }
      &untiehash();
      $r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
        &mt('Return to DOCS').'</a>');
   }
   
   
   sub devalidateversioncache {
       my $src=shift;
       &Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
     &Apache::lonnet::clutter($src));
   }
   
   sub checkversions {
       my ($r) = @_;
       my $type = &Apache::loncommon::course_type();
       $r->print(&Apache::loncommon::start_page("Check $type Document Versions"));
       $r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $type Document Versions"));
       my $header='';
       my $startsel='';
       my $monthsel='';
       my $weeksel='';
       my $daysel='';
       my $allsel='';
       my %changes=();
       my $starttime=0;
       my $haschanged=0;
       my %setversions=&Apache::lonnet::dump('resourceversions',
     $env{'course.'.$env{'request.course.id'}.'.domain'},
     $env{'course.'.$env{'request.course.id'}.'.num'});
   
       $hashtied=0;
       &tiehash();
       my %newsetversions=();
       if ($env{'form.setmostrecent'}) {
    $haschanged=1;
    foreach my $key (keys(%hash)) {
       if ($key=~/^ids\_(\/res\/.+)$/) {
    $newsetversions{$1}='mostrecent';
                   &devalidateversioncache($1);
       }
    }
       } elsif ($env{'form.setcurrent'}) {
    $haschanged=1;
    foreach my $key (keys(%hash)) {
       if ($key=~/^ids\_(\/res\/.+)$/) {
    my $getvers=&Apache::lonnet::getversion($1);
    if ($getvers>0) {
       $newsetversions{$1}=$getvers;
       &devalidateversioncache($1);
    }
       }
    }
       } elsif ($env{'form.setversions'}) {
    $haschanged=1;
    foreach my $key (keys(%env)) {
       if ($key=~/^form\.set_version_(.+)$/) {
    my $src=$1;
    if (($env{$key}) && ($env{$key} ne $setversions{$src})) {
       $newsetversions{$src}=$env{$key};
       &devalidateversioncache($src);
    }
       }
    }
       }
       if ($haschanged) {
           if (&Apache::lonnet::put('resourceversions',\%newsetversions,
     $env{'course.'.$env{'request.course.id'}.'.domain'},
     $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
       $r->print('<h1>'.&mt('Your Version Settings have been Saved').'</h1>');
    } else {
       $r->print('<h1><span class="LC_error">'.&mt('An Error Occured while Attempting to Save your Version Settings').'</span></h1>');
    }
    &mark_hash_old();
       }
       &changewarning($r,'');
       if ($env{'form.timerange'} eq 'all') {
   # show all documents
    $header=&mt('All Documents in '.$type);
    $allsel=1;
    foreach my $key (keys(%hash)) {
       if ($key=~/^ids\_(\/res\/.+)$/) {
    my $src=$1;
    $changes{$src}=1;
       }
    }
       } else {
   # show documents which changed
    %changes=&Apache::lonnet::dump
    ('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
                        $env{'course.'.$env{'request.course.id'}.'.num'});
    my $firstkey=(keys(%changes))[0];
    unless ($firstkey=~/^error\:/) {
       unless ($env{'form.timerange'}) {
    $env{'form.timerange'}=604800;
       }
       my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
    .&mt('seconds');
       if ($env{'form.timerange'}==-1) {
    $seltext='since start of course';
    $startsel='selected';
    $env{'form.timerange'}=time;
       }
       $starttime=time-$env{'form.timerange'};
       if ($env{'form.timerange'}==2592000) {
    $seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
    $monthsel='selected';
       } elsif ($env{'form.timerange'}==604800) {
    $seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
    $weeksel='selected';
       } elsif ($env{'form.timerange'}==86400) {
    $seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
    $daysel='selected';
       }
       $header=&mt('Content changed').' '.$seltext;
    } else {
       $header=&mt('No content modifications yet.');
    }
       }
       %setversions=&Apache::lonnet::dump('resourceversions',
     $env{'course.'.$env{'request.course.id'}.'.domain'},
     $env{'course.'.$env{'request.course.id'}.'.num'});
       my %lt=&Apache::lonlocal::texthash
         ('st' => 'Version changes since start of '.$type,
          'lm' => 'Version changes since last Month',
          'lw' => 'Version changes since last Week',
          'sy' => 'Version changes since Yesterday',
                  'al' => 'All Resources (possibly large output)',
          'sd' => 'Display',
          'fi' => 'File',
          'md' => 'Modification Date',
                  'mr' => 'Most recently published Version',
          've' => 'Version used in '.$type,
                  'vu' => 'Set Version to be used in '.$type,
   'sv' => 'Set Versions to be used in '.$type.' according to Selections below',
   'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
   'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
          'di' => 'Differences');
       $r->print(<<ENDHEADERS);
   <form action="/adm/coursedocs" method="post">
   <input type="hidden" name="versions" value="1" />
   <input type="submit" name="setmostrecent" value="$lt{'sm'}" />
   <input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
   <select name="timerange">
   <option value='all' $allsel>$lt{'al'}</option>
   <option value="-1" $startsel>$lt{'st'}</option>
   <option value="2592000" $monthsel>$lt{'lm'}</option>
   <option value="604800" $weeksel>$lt{'lw'}</option>
   <option value="86400" $daysel>$lt{'sy'}</option>
   </select>
   <input type="submit" name="display" value="$lt{'sd'}" />
   <h3>$header</h3>
   <input type="submit" name="setversions" value="$lt{'sv'}" />
   <table border="0">
   ENDHEADERS
       foreach my $key (sort(keys(%changes))) {
    if ($changes{$key}>$starttime) {
       my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
       my $currentversion=&Apache::lonnet::getversion($key);
       if ($currentversion<0) {
    $currentversion=&mt('Could not be determined.');
       }
       my $linkurl=&Apache::lonnet::clutter($key);
       $r->print(
         '<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
         &Apache::lonnet::gettitle($linkurl).
                         '</b></font></td></tr>'.
                         '<tr><td>&nbsp;&nbsp;&nbsp;</td>'.
                         '<td colspan="4">'.
                         '<a href="'.$linkurl.'" target="cat">'.$linkurl.
         '</a></td></tr>'.
                         '<tr><td></td>'.
                         '<td title="'.$lt{'md'}.'">'.
         &Apache::lonlocal::locallocaltime(
                              &Apache::lonnet::metadata($root.'.'.$extension,
                                                        'lastrevisiondate')
                                                           ).
                         '</td>'.
                         '<td title="'.$lt{'mr'}.'"><span class="LC_nobreak">Most Recent: '.
                         '<font size="+1">'.$currentversion.'</font>'.
                         '</span></td>'.
                         '<td title="'.$lt{'ve'}.'"><span class="LC_nobreak">In '.$type.': '.
                         '<font size="+1">');
   # Used in course
       my $usedversion=$hash{'version_'.$linkurl};
       if (($usedversion) && ($usedversion ne 'mostrecent')) {
    $r->print($usedversion);
       } else {
    $r->print($currentversion);
       }
       $r->print('</font></span></td><td title="'.$lt{'vu'}.'">'.
                         '<span class="LC_nobreak">Use: ');
   # Set version
       $r->print(&Apache::loncommon::select_form($setversions{$linkurl},
         'set_version_'.$linkurl,
         ('select_form_order' =>
          ['',1..$currentversion,'mostrecent'],
          '' => '',
          'mostrecent' => 'most recent',
          map {$_,$_} (1..$currentversion))));
       $r->print('</span></td></tr><tr><td></td>');
       my $lastold=1;
       for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
    my $url=$root.'.'.$prevvers.'.'.$extension;
    if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
       $starttime) {
       $lastold=$prevvers;
    }
       }
               #
               # Code to figure out how many version entries should go in
               # each of the four columns
               my $entries_per_col = 0;
               my $num_entries = ($currentversion-$lastold);
               if ($num_entries % 4 == 0) {
                   $entries_per_col = $num_entries/4;
               } else {
                   $entries_per_col = $num_entries/4 + 1;
               }
               my $entries_count = 0;
               $r->print('<td valign="top"><font size="-2">');
               my $cols_output = 1;
               for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
    my $url=$root.'.'.$prevvers.'.'.$extension;
    $r->print('<span class="LC_nobreak"><a href="'.&Apache::lonnet::clutter($url).
     '">'.&mt('Version').' '.$prevvers.'</a> ('.
     &Apache::lonlocal::locallocaltime(
                                   &Apache::lonnet::metadata($url,
                                                             'lastrevisiondate')
                                                               ).
     ')');
    if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
                       $r->print(' <a href="/adm/diff?filename='.
         &Apache::lonnet::clutter($root.'.'.$extension).
         '&versionone='.$prevvers.
         '">'.&mt('Diffs').'</a>');
    }
    $r->print('</span><br />');
                   if (++$entries_count % $entries_per_col == 0) {
                       $r->print('</font></td>');
                       if ($cols_output != 4) {
                           $r->print('<td valign="top"><font size="-2">');
                           $cols_output++;
                       }
                   }
       }
               while($cols_output++ < 4) {
                   $r->print('</font></td><td><font>')
               }
       $r->print('</font></td></tr>'."\n");
    }
       }
       $r->print('</table></form>');
       $r->print('<h1>'.&mt('Done').'.</h1>');
   
       &untiehash();
   }
   
   sub mark_hash_old {
       my $retie_hash=0;
       if ($hashtied) {
    $retie_hash=1;
    &untiehash();
       }
       &tiehash('write');
       $hash{'old'}=1;
       &untiehash();
       if ($retie_hash) { &tiehash(); }
   }
   
   sub is_hash_old {
       my $untie_hash=0;
       if (!$hashtied) {
    $untie_hash=1;
    &tiehash();
       }
       my $return=$hash{'old'};
       if ($untie_hash) { &untiehash(); }
       return $return;
   }
   
   sub changewarning {
       my ($r,$postexec,$message,$url)=@_;
       if (!&is_hash_old()) { return; }
       my $pathvar='folderpath';
       my $path=&escape($env{'form.folderpath'});
       if (!defined($url)) {
    if (defined($env{'form.pagepath'})) {
       $pathvar='pagepath';
       $path=&escape($env{'form.pagepath'});
       $path.='&amp;pagesymb='.&escape($env{'form.pagesymb'});
    }
    $url='/adm/coursedocs?'.$pathvar.'='.$path;
       }
       my $course_type = &Apache::loncommon::course_type();
       if (!defined($message)) {
    $message='Changes will become active for your current session after [_1], or the next time you log in.';
       }
       $r->print("\n\n".
   '<script type="text/javascript">function reinit(tf) { tf.submit();'.$postexec.' }</script>'."\n".
   '<form name="reinitform" method="post" action="/adm/roles" target="loncapaclient">'.
   '<input type="hidden" name="orgurl" value="'.$url.
   '" /><input type="hidden" name="selectrole" value="1" /><h3><span class="LC_warning">'.
   &mt($message,' <input type="hidden" name="'.
       $env{'request.role'}.'" value="1" /><input type="button" value="'.
       &mt('re-initializing '.$course_type).'" onClick="reinit(this.form)" />').
   $help{'Caching'}.'</span></h3></form>'."\n\n");
   }
   
   
   sub init_breadcrumbs {
       my ($form,$text)=@_;
       &Apache::lonhtmlcommon::clear_breadcrumbs();
       &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
       text=>"Edit ".&Apache::loncommon::course_type(),
       faq=>273,
       bug=>'Instructor Interface',
                                               help => 'Docs_Adding_Course_Doc'});
       &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
       text=>$text,
       faq=>273,
       bug=>'Instructor Interface'});
   }
   
   
   
   
   sub handler {
       my $r = shift;
       &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
       return OK if $r->header_only;
       my $type = &Apache::loncommon::course_type();
   
   
   # --------------------------------------------- Initialize help topics for this
       foreach my $topic ('Adding_Course_Doc','Main_Course_Documents',
                  'Adding_External_Resource','Navigate_Content',
                  'Adding_Folders','Docs_Overview', 'Load_Map',
                  'Supplemental','Score_Upload_Form','Adding_Pages',
                  'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
                  'Check_Resource_Versions','Verify_Content') {
    $help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
       }
       # Composite help files
       $help{'Syllabus'} = &Apache::loncommon::help_open_topic(
       'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
       $help{'Simple Page'} = &Apache::loncommon::help_open_topic(
       'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
       $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
       'Option_Response_Simple');
       $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
       'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
       $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
     'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
       $help{'Group Files'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
       $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
   
   # does this user have privileges to modify docs
       my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
     if ($allowed && $env{'form.verify'}) {
         &init_breadcrumbs('verify','Verify Content');
         &verifycontent($r);
     } elsif ($allowed && $env{'form.listsymbs'}) {
         &init_breadcrumbs('listsymbs','List Symbs');
         &list_symbs($r);
     } elsif ($allowed && $env{'form.docslog'}) {
         &init_breadcrumbs('docslog','Show Log');
         &docs_change_log($r);
     } elsif ($allowed && $env{'form.versions'}) {
         &init_breadcrumbs('versions','Check/Set Resource Versions');
         &checkversions($r);
     } elsif ($allowed && $env{'form.dumpcourse'}) {
         &init_breadcrumbs('dumpcourse','Dump '.&Apache::loncommon::course_type().' DOCS to Construction Space');
         &dumpcourse($r);
     } elsif ($allowed && $env{'form.exportcourse'}) {
         &init_breadcrumbs('exportcourse','Export '.&Apache::loncommon::course_type().' to IMS');
         &exportcourse($r);
     } else {
   # is this a standard course?
   
       my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
       my $forcestandard = 0;
       my $forcesupplement;
       my $script='';
       my $showdoc=0;
       my $containertag;
       my $uploadtag;
   
   
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
       ['folderpath','pagepath',
        'pagesymb']);
   # No folderpath, no pagepath, see if we have something stored
       if ((!$env{'form.folderpath'}) && (!$env{'form.pagepath'})) {
           &Apache::loncommon::restore_course_settings('docs_folderpath',
                                                 {'folderpath' => 'scalar'});
       }
       if (!$env{'form.folderpath'}) {
           &Apache::loncommon::restore_course_settings('docs_folderpath',
                                                 {'pagepath' => 'scalar'});
       }
       if ($env{'form.pagepath'}) {
          $env{'form.folderpath'}='';
       }
       if ($env{'form.folderpath'} =~ /^supplemental_\d+/) {
           $env{'form.folderpath'} = 'supplemental&'.
                                     &escape(&mt('Supplemental '.$type.' Documents')).'&'.
                                     $env{'form.folderpath'};
       }
       &Apache::loncommon::store_course_settings('docs_folderpath',
                                                   {'pagepath' => 'scalar',
                                                    'folderpath' => 'scalar'});
       if ($env{'form.folderpath'}) {
    my (@folderpath)=split('&',$env{'form.folderpath'});
    $env{'form.foldername'}=&unescape(pop(@folderpath));
    $env{'form.folder'}=pop(@folderpath);
       }
       if ($env{'form.pagepath'}) {
           my (@pagepath)=split('&',$env{'form.pagepath'});
           $env{'form.pagename'}=&unescape(pop(@pagepath));
           $env{'form.folder'}=pop(@pagepath);
           $containertag = '<input type="hidden" name="pagepath" value="" />'.
       '<input type="hidden" name="pagesymb" value="" />';
           $uploadtag = '<input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />'.
       '<input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />';
       }
       if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
          $showdoc='/'.$1;
       }
       unless ($showdoc) { # got called from remote
          if (($env{'form.folder'}=~/^(?:group|default)_/) ||
             ($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
              $forcestandard = 1;
          }
          $forcesupplement=($env{'form.folder'}=~/^supplemental_/);
   
          if ($allowed) {
            &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
            $script=&Apache::lonratedt::editscript('simple');
          }
       } else { # got called in sequence from course
          $allowed=0;
       }
   
   # get course data
       my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
       my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
   
   # get personal data
       my $uname=$env{'user.name'};
       my $udom=$env{'user.domain'};
       my $plainname=&escape(&Apache::loncommon::plainname($uname,$udom));
   
   # graphics settings
   
       $iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
   
       if ($allowed) {
    $script .= &editing_js($udom,$uname);
       }
   # -------------------------------------------------------------------- Body tag
       $script = '<script type="text/javascript">'."\n".$script."\n".'</script>';
       my $brcrum = [{href=>"/adm/createuser",text=>"$type Documents"}];
       $r->print(&Apache::loncommon::start_page("$type Documents", $script,
       {'force_register' => $showdoc,
                                        'bread_crumbs' => $brcrum}).
         &Apache::loncommon::help_open_menu('','',273,'RAT'));
    
     my %allfiles = ();
     my %codebase = ();
     my ($upload_result,$upload_output);
     if ($allowed) {
         if (($env{'form.uploaddoc.filename'}) &&
     ($env{'form.cmd'}=~/^upload_(\w+)/)) {
   # Process file upload - phase one - upload and parse primary file.  
     undef($hadchanges);
             $upload_result = &process_file_upload(\$upload_output,$coursenum,
    $coursedom,\%allfiles,
    \%codebase,$1);
     if ($hadchanges) {
         &mark_hash_old();
     }
             if ($upload_result eq 'phasetwo') {
                 $r->print($upload_output);
             }
         } elsif ($env{'form.phasetwo'}) {
             my %newname = ();
             my %origname = ();
             my %attribs = ();
             my $updateflag = 0;
             my $residx = $env{'form.newidx'};
             my $primary_url = &unescape($env{'form.primaryurl'});
   # Process file upload - phase two - gather secondary files.
             for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
                 if ($env{'form.embedded_item_'.$i.'.filename'}) {
                     my $javacodebase;
                     $newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
                     $origname{$i} = &unescape($env{'form.embedded_orig_'.$i});
                     if (exists($env{'form.embedded_codebase_'.$i})) {
                         $javacodebase =  &unescape($env{'form.embedded_codebase_'.$i});  
                         $origname{$i} =~ s#^\Q$javacodebase\E/##;
                     }
                     my @attributes = ();
                     if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
                         @attributes = split(/:/,$env{'form.embedded_attrib_'.$i});
                     } else {
                         @attributes = ($env{'form.embedded_attrib_'.$i});
                     }
                     foreach my $attr (@attributes) {
                         push(@{$attribs{$i}},&unescape($attr));
                     }
                     if ($javacodebase) {
                         $codebase{$i} = $javacodebase;
                         $codebase{$i} =~ s#/$##;
                         $updateflag = 1;
                     }
                 }
                 unless ($newname{$i} eq $origname{$i}) {
                     $updateflag = 1;
                 }
             }
   # Process file upload - phase three - modify primary file
             if ($updateflag) {
                 my ($content,$rtncode);
                 my $updateflag = 0;
                 my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
                 if ($getstatus eq 'ok') {
                     foreach my $item (keys(%newname)) {
                         if ($newname{$item} ne $origname{$item}) {
                             my $attrib_regexp = '';
                             if (@{$attribs{$item}} > 1) {
                                 $attrib_regexp = join('|',@{$attribs{$item}});
                             } else {
                                 $attrib_regexp = $attribs{$item}[0];
                             }
                             if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
                             }
                             $content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi;
                         }
                         if (exists($codebase{$item})) {
                             $content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i; #' stupid emacs
                         }
                     }
   # Save edited file.
                     my $saveresult;
                     my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
                     my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
                     my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
                 } else {
                     &Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus);
                 }
             }
         }
     }
   
     unless ($showdoc ||  $upload_result eq 'phasetwo') {
   # -----------------------------------------------------------------------------
          my %lt=&Apache::lonlocal::texthash(
                   'uplm' => 'Upload a new main '.lc($type).' document',
                   'upls' => 'Upload a new supplemental '.lc($type).' document',
                   'impp' => 'Import a document',
                   'pubd' => 'Published Documents',
    'copm' => 'All documents out of a published map into this folder',
                   'upld' => 'Upload Document',
                   'srch' => 'Search',
                   'impo' => 'Import',
    'book' => 'Import Bookmarks',
                   'selm' => 'Select Map',
                   'load' => 'Load Map',
                   'reco' => 'Recover Deleted Resources',
                   'newf' => 'New Folder',
                   'newp' => 'New Composite Page',
                   'extr' => 'External Resource',
                   'syll' => 'Syllabus',
                   'navc' => 'Navigate Contents',
                   'sipa' => 'Simple Page',
                   'sipr' => 'Simple Problem',
                   'drbx' => 'Drop Box',
                   'scuf' => 'Score Upload Form',
                   'bull' => 'Bulletin Board',
                   'mypi' => 'My Personal Info',
                   'grpo' => 'Group Files',
                   'rost' => 'Course Roster',
    'abou' => 'About User',
                   'imsf' => 'Import IMS package',
                   'file' =>  'File',
                   'title' => 'Title',
                   'comment' => 'Comment',
                   'parse' => 'Upload embedded images/multimedia files if HTML file!',
    'nd' => 'New Document',
    'pm' => 'Published Map',
    'sd' => 'Special Document',
    'mo' => 'More Options',
    'hao' => 'Hide all Options'
     );
   # -----------------------------------------------------------------------------
    my $fileupload=(<<FIUP);
    $lt{'file'}:<br />
    <input type="file" name="uploaddoc" size="40" />
   FIUP
   
    my $checkbox=(<<CHBO);
    <!-- <label>$lt{'parse'}?
    <input type="checkbox" name="parserflag" />
    </label> -->
    <label>
    <input type="checkbox" name="parserflag" checked="checked" /> $lt{'parse'}
    </label>
   CHBO
   
    my $fileuploadform=(<<FUFORM);
    <form name="uploaddocument" action="/adm/coursedocs" method="post" enctype="multipart/form-data">
    $fileupload
    <br />
    $lt{'title'}:<br />
    <input type="text" size="50" name="comment" />
    $uploadtag
    <input type="hidden" name="cmd" value="upload_default" />
    <br />
    <span class="LC_nobreak">
    $checkbox
    </span>
    <br />
    <br />
    <span class="LC_nobreak">
    <input type="submit" value="$lt{'upld'}" />
    $help{'Uploading_From_Harddrive'}
    </span>
    </form>
   FUFORM
   
    my $simpleeditdefaultform=(<<SEDFFORM);
    <form action="/adm/coursedocs" method="post" name="simpleeditdefault">
    $lt{'pubd'}<br />
    $uploadtag
    <input type="button" onClick="javascript:groupsearch()" value="$lt{'srch'}" />
    <br />
    <span class="LC_nobreak">
    <input type="button" onClick="javascript:groupimport();" value="$lt{'impo'}" />
    $help{'Importing_LON-CAPA_Resource'}
    </span>
    <br />
    <input type="button" onClick="javascript:groupopen(0,1,1);" value="$lt{'book'}" />
    <hr />
    <p>
    $lt{'copm'}<br />
    <input type="text" size="40" name="importmap" /><br />
    <span class="LC_nobreak"><input type="button"
    onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
    value="$lt{'selm'}" /> <input type="submit" name="loadmap" value="$lt{'load'}" />
    $help{'Load_Map'}</span>
    </p>
    </form>
   SEDFFORM
   
    my $extresourcesform=(<<ERFORM);
    <form action="/adm/coursedocs" method="post" name="newext">
    $uploadtag
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newext" type="button" onClick="javascript:makenewext('newext');"
    value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
    </span>
    </form>
   ERFORM
   
       if ($allowed) {
    &update_paste_buffer($coursenum,$coursedom);
          my $dumpbut=&dumpbutton();
          my $exportbut=&exportbutton();
          my %lt=&Apache::lonlocal::texthash(
    'vc' => 'Verify Content',
    'cv' => 'Check/Set Resource Versions',
    'ls' => 'List Symbs',
                                            'sl' => 'Show Log'
     );
   
          my $folderpath=$env{'form.folderpath'};
          if (!$folderpath) {
      if ($env{'form.folder'} eq '' ||
          $env{'form.folder'} eq 'supplemental') {
          $folderpath='default&'.
      &escape(&mt('Main '.$type.' Documents'));
      }
          }
          unless ($env{'form.pagepath'}) {
              $containertag = '<input type="hidden" name="folderpath" value="" />';
              $uploadtag = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($folderpath,'<>&"').'" />';
          }
   
          $r->print(<<ENDCOURSEVERIFY);
   <form name="renameform" method="post" action="/adm/coursedocs">
     <input type="hidden" name="title" />
     <input type="hidden" name="cmd" />
     <input type="hidden" name="markcopy" />
     <input type="hidden" name="copyfolder" />
     $containertag
   </form>
   <form name="simpleedit" method="post" action="/adm/coursedocs">
     <input type="hidden" name="importdetail" value="" />
     $uploadtag
   </form>
   <form action="/adm/coursedocs" method="post" name="courseverify">
     <div class="LC_docs_course_commands">
   
         <div>
           <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
         </div>
         <div>
           <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
         </div>
           $dumpbut
           $exportbut
         <div>
           <input type="submit" name="listsymbs" value="$lt{'ls'}" />
         </div>
         <div>
           <input type="hidden" name="folder" value="$env{'form.folder'}" />
           <input type="submit" name="docslog" value="$lt{'sl'}" />
         </div>
     </div>
   </form>
   <div style="clear: both; height: 0px;">&nbsp;</div>
   ENDCOURSEVERIFY
          $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
        &mt('Editing the Table of Contents for your '.$type)));
       }
   # --------------------------------------------------------- Standard documents
       $r->print('<table class="LC_docs_documents">');
   
       if (($standard) && ($allowed) && (!$forcesupplement)) {
    $r->print('<tr><td class="LC_docs_document">');
   #  '<h2>'.&mt('Main Course Documents').
   #  ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
          my $folder=$env{'form.folder'};
          if ($folder eq '' || $folder eq 'supplemental') {
              $folder='default';
      $env{'form.folderpath'}='default&'.&escape(&mt('Main '.$type.' Documents'));
              $uploadtag = '<input type="hidden" name="folderpath" value="'.
          &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
          }
          my $postexec='';
          if ($folder eq 'default') {
      $r->print('<script type="text/javascript">this.window.name="loncapaclient";</script>');
          } else {
              #$postexec='self.close();';
          }
          $hadchanges=0;
          my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,
      $upload_output,$type);
          if ($error) {
      $r->print('<p><span class="LC_error">'.$error.'</span></p>');
          }
          if ($hadchanges) {
      &mark_hash_old();
          }
          &changewarning($r,$postexec);
          my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
                        '.sequence';
          my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
                        '.page';
    my $container='sequence';
    if ($env{'form.pagepath'}) {
       $container='page';
    }
    my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
   
   
   
    my $recoverform=(<<RFORM);
    <form action="/adm/groupsort" method="post" name="recover">
    <input type="button" name="recovermap" onClick="javascript:groupopen('$readfile',1,0)" value="$lt{'reco'}" />
    </form>
   RFORM
   
    my $imspform=(<<IMSPFORM);
    <form action="/adm/imsimportdocs" method="post" name="ims">
    <input type="hidden" name="folder" value="$folder" />
    <input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
    </form>
   IMSPFORM
   
    my $newnavform=(<<NNFORM);
    <form action="/adm/coursedocs" method="post" name="newnav">
    $uploadtag
    <input type="hidden" name="importdetail"
    value="$lt{'navc'}=/adm/navmaps" />
    <span class="LC_nobreak">
    <input name="newnav" type="submit" value="$lt{'navc'}" />
    $help{'Navigate_Content'}
    </span>
    </form>
   NNFORM
    my $newsmppageform=(<<NSPFORM);
    <form action="/adm/coursedocs" method="post" name="newsmppg">
    $uploadtag
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newsmppg" type="button" value="$lt{'sipa'}"
    onClick="javascript:makesmppage();" /> $help{'Simple Page'}
    </span>
    </form>
   NSPFORM
   
    my $newsmpproblemform=(<<NSPROBFORM);
    <form action="/adm/coursedocs" method="post" name="newsmpproblem">
    $uploadtag
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newsmpproblem" type="button" value="$lt{'sipr'}"
    onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
    </span>
    </form>
   
   NSPROBFORM
   
    my $newdropboxform=(<<NDBFORM);
    <form action="/adm/coursedocs" method="post" name="newdropbox">
    $uploadtag      
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">          
    <input name="newdropbox" type="button" value="$lt{'drbx'}"
    onClick="javascript:makedropbox();" />
    </span>        
    </form>
   NDBFORM
   
    my $newexuploadform=(<<NEXUFORM);
    <form action="/adm/coursedocs" method="post" name="newexamupload">
    $uploadtag
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newexamupload" type="button" value="$lt{'scuf'}"
    onClick="javascript:makeexamupload();" />
    $help{'Score_Upload_Form'}
    </span>
    </form>
   NEXUFORM
   
    my $newbulform=(<<NBFORM);
    <form action="/adm/coursedocs" method="post" name="newbul">
    $uploadtag
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newbulletin" type="button" value="$lt{'bull'}"
    onClick="javascript:makebulboard();" />
    $help{'Bulletin Board'}
    </span>
    </form>
   NBFORM
   
    my $newaboutmeform=(<<NAMFORM);
    <form action="/adm/coursedocs" method="post" name="newaboutme">
    $uploadtag
    <input type="hidden" name="importdetail"
    value="$plainname=/adm/$udom/$uname/aboutme" />
    <span class="LC_nobreak">
    <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
    $help{'My Personal Info'}
    </span>
    </form>
   NAMFORM
   
    my $newaboutsomeoneform=(<<NASOFORM);
    <form action="/adm/coursedocs" method="post" name="newaboutsomeone">
    $uploadtag
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newaboutsomeone" type="button" value="$lt{'abou'}"
    onClick="javascript:makeabout();" />
    </span>
    </form>
   NASOFORM
   
   
    my $newrosterform=(<<NROSTFORM);
    <form action="/adm/coursedocs" method="post" name="newroster">
    $uploadtag
    <input type="hidden" name="importdetail"
    value="$lt{'rost'}=/adm/viewclasslist" />
    <span class="LC_nobreak">
    <input name="newroster" type="submit" value="$lt{'rost'}" />
    $help{'Course Roster'}
    </span>
    </form>
   NROSTFORM
   
          $r->print(<<ENDFORM);
   
   <ul class="LC_TabContent">
   <li>$lt{'nd'}</li>
   <li>$lt{'pm'}</li>
   <li>$lt{'pubd'}</li>
   <li>$lt{'sd'}</li>
   <li>$lt{'mo'}</li>
   <li>$lt{'hao'}</li>
   </ul>
   
   <table class="LC_docs_adddocs">
   <!-- <tr>
   <th>$lt{'uplm'}</th>
   <th>$lt{'impp'}</th>
   <th>$lt{'spec'}</th>
   </tr> -->
   <tr>
   <td>
   $fileuploadform
   </td>
   <td>
   $simpleeditdefaultform
   <hr />
   $recoverform
   ENDFORM
          unless ($env{'form.pagepath'}) {
      $r->print(<<ENDFORM);
   <hr />
   $extresourcesform
    <br />
   $imspform
   ENDFORM
          }
          $r->print('</td><td>');
          unless ($env{'form.pagepath'}) {
      my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
   
   
   
    my $newpageform=(<<NPFORM);
    <form action="/adm/coursedocs" method="post" name="newpage">
    <input type="hidden" name="folderpath" value="$path" />
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newpage" type="button"
    onClick="javascript:makenewpage(this.form,'$pageseq');"
    value="$lt{'newp'}" />$help{'Adding_Pages'}
    </span>
    </form>
   NPFORM
   
    my $newfolderform=(<<NFFORM);
    <form action="/adm/coursedocs" method="post" name="newfolder">
    <input type="hidden" name="folderpath" value="$path" />
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newfolder" type="button"
    onClick="javascript:makenewfolder(this.form,'$folderseq');"
    value="$lt{'newf'}" />$help{'Adding_Folders'}
    </span>
    </form>
   NFFORM
   
    my $newsylform=(<<NSYLFORM);
    <form action="/adm/coursedocs" method="post" name="newsyl">
    $uploadtag
    <input type="hidden" name="importdetail"
    value="$lt{'syll'}=/public/$coursedom/$coursenum/syllabus" />
    <span class="LC_nobreak">
    <input name="newsyl" type="submit" value="$lt{'syll'}" />
    $help{'Syllabus'}
    </span>
    </form>
   NSYLFORM
   
    my $newgroupfileform=(<<NGFFORM);
    <form action="/adm/coursedocs" method="post" name="newgroupfiles">
    $uploadtag
    <input type="hidden" name="importdetail"
    value="$lt{'grpo'}=/adm/$coursedom/$coursenum/aboutme" />
    <span class="LC_nobreak">
    <input name="newgroupfiles" type="submit" value="$lt{'grpo'}" />
    $help{'Group Files'}
    </span>
    </form>
   NGFFORM
   
   
              $r->print(<<ENDFORM);
   <br />
   $newfolderform
   <br />
   $newpageform
   <br />
   $newsylform
   <br />
   $newnavform
   <br />
   $newsmppageform
   <br />
   $newsmpproblemform
   <br />
   $newdropboxform
   <br />
   $newexuploadform
   <br />
   $newbulform
   <br />
   $newaboutmeform
   <br />
   $newaboutsomeoneform
   <br />
   $newgroupfileform
   <br />
   $newrosterform
   ENDFORM
          }
          if ($env{'form.pagepath'}) {
              $r->print(<<ENDBLOCK);
   $newsmpproblemform
   <br />
   $newexuploadform
   ENDBLOCK
          }
          $r->print('</td></tr>'."\n".
   '</table>');
          $r->print('</td></tr>');
       }
   # ----------------------------------------------------- Supplemental documents
       if (!$forcestandard) {
          $r->print('<tr><td class="LC_docs_document">');
   # '<h2>'.&mt('Supplemental Course Documents').
   #  ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
          my $folder=$env{'form.folder'};
          unless ($folder=~/^supplemental/) {
      $folder='supplemental';
          }
          if ($folder =~ /^supplemental$/ &&
      (($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
             $env{'form.folderpath'} = 'supplemental&'.
                                       &escape(&mt('Supplemental '.$type.' Documents'));
          }
          my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$type);
          if ($error) {
      $r->print('<p><span class="LC_error">'.$error.'</span></p>');
          }
          if ($allowed) {
      my $folderseq=
          '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
          '.sequence';
   
      my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
   
    my $supupdocform=(<<SUPDOCFORM);
    <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
    $fileupload
    <br />
    <br />
    <span class="LC_nobreak">
    $checkbox
    </span>
    <br /><br />
    $lt{'comment'}:<br />
    <textarea cols=50 rows=4 name='comment'>
    </textarea>
    <br />
    <input type="hidden" name="folderpath" value="$path" />
    <input type="hidden" name="cmd" value="upload_supplemental" />
    <span class="LC_nobreak">
    <input type="submit" value="$lt{'upld'}" />
    $help{'Uploading_From_Harddrive'}
    </span>
    </form>
   SUPDOCFORM
   
    my $supnewfolderform=(<<SNFFORM);
    <form action="/adm/coursedocs" method="post" name="supnewfolder">
    <input type="hidden" name="folderpath" value="$path" />
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newfolder" type="button"
    onClick="javascript:makenewfolder(this.form,'$folderseq');"
    value="$lt{'newf'}" /> $help{'Adding_Folders'}
    </span>
    </form>
   SNFFORM
   
   
    my $supnewextform=(<<SNEFORM);
    <form action="/adm/coursedocs" method="post" name="supnewext">
    <input type="hidden" name="folderpath" value="$path" />
    <input type="hidden" name="importdetail" value="" />
    <span class="LC_nobreak">
    <input name="newext" type="button"
    onClick="javascript:makenewext('supnewext');"
    value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
    </span>
    </form>
   SNEFORM
   
    my $supnewsylform=(<<SNSFORM);
    <form action="/adm/coursedocs" method="post" name="supnewsyl">
    <input type="hidden" name="folderpath" value="$path" />
    <input type="hidden" name="importdetail"
    value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
    <span class="LC_nobreak">
    <input name="newsyl" type="submit" value="$lt{'syll'}" />
    $help{'Syllabus'}
    </span>
    </form>
   SNSFORM
   
    my $supnewaboutmeform=(<<SNAMFORM);
    <form action="/adm/coursedocs" method="post" name="subnewaboutme">
    <input type="hidden" name="folderpath" value="$path" />
    <input type="hidden" name="importdetail"
    value="$plainname=/adm/$udom/$uname/aboutme" />
    <span class="LC_nobreak">
    <input name="newaboutme" type="submit" value="$lt{'mypi'}" />
    $help{'My Personal Info'}
    </span>
    </form>
   SNAMFORM
   
      $r->print(<<ENDSUPFORM);
   <ul class="LC_TabContent">
   <li>$lt{'nd'}</li>
   <li>$lt{'sd'}</li>
   <li>$lt{'hao'}</li>
   </ul>
   <table class="LC_docs_adddocs">
   <tr><td>
   $supupdocform
   </td>
   <td>
   $supnewfolderform
   <br />
   $supnewextform
   <br />
   $supnewsylform
   <br />
   $supnewaboutmeform
   </td></tr>
   </table></td></tr>
   ENDSUPFORM
          }
       }
       $r->print('</table>');
       if ($allowed) {
    $r->print('
   <form method="post" name="extimport" action="/adm/coursedocs">
     <input type="hidden" name="title" />
     <input type="hidden" name="url" />
     <input type="hidden" name="useform" />
     <input type="hidden" name="residx" />
   </form>');
       }
     } else {
         unless ($upload_result eq 'phasetwo') {
   # -------------------------------------------------------- This is showdoc mode
             $r->print("<h1>".&mt('Uploaded Document').' - '.
    &Apache::lonnet::gettitle($r->uri).'</h1><p>'.
   &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><table>".
             &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table>');
         }
     }
    }
    $r->print(&Apache::loncommon::end_page());
    return OK;
   }
   
   
   sub editing_js {
       my ($udom,$uname) = @_;
       my $now = time();
       my %lt = &Apache::lonlocal::texthash(
                                             p_mnf => 'Name of New Folder',
                                             t_mnf => 'New Folder',
                                             p_mnp => 'Name of New Page',
                                             t_mnp => 'New Page',
                                             p_mxu => 'Title for the Uploaded Score',
                                             p_msp => 'Title for the Page',
                                             p_msb => 'Title for the Problem',
                                             p_mdb => 'Title for the Drop Box',
                                             p_mbb => 'Title for the Bulletin Board',
                                             p_mab => "Enter user:domain for User's 'About Me' Page",
                                             p_mab2 => "About [_99]",
                                             p_mab_alrt1 => 'Not a valid user:domain',
                                             p_mab_alrt2 => 'Please enter both user and domain in the format user:domain',
                                             p_chn => 'New Title',
                                             p_rmr1 => 'WARNING: Removing a resource makes associated grades and scores inaccessible!',
                                             p_rmr2a => 'Remove[_99]',
                                             p_rmr2b => '?[_99]',
                                             p_ctr1a => 'WARNING: Cutting a resource makes associated grades and scores inaccessible!',
                                             p_ctr1b => 'Grades remain inaccessible if resource is pasted into another folder.',
                                             p_ctr2a => 'Cut[_98]',
                                             p_ctr2b => '?[_98]'
                                           );
   
       return <<ENDNEWSCRIPT;
   function makenewfolder(targetform,folderseq) {
       var foldername=prompt('$lt{"p_mnf"}','$lt{"t_mnf"}');
       if (foldername) {
          targetform.importdetail.value=escape(foldername)+"="+folderseq;
           targetform.submit();
       }
   }
   
   function makenewpage(targetform,folderseq) {
       var pagename=prompt('$lt{"p_mnp"}','$lt{"t_mnp"}');
       if (pagename) {
           targetform.importdetail.value=escape(pagename)+"="+folderseq;
           targetform.submit();
       }
   }
   
   function makenewext(targetname) {
       this.document.forms.extimport.useform.value=targetname;
       this.document.forms.extimport.title.value='';
       this.document.forms.extimport.url.value='';
       this.document.forms.extimport.residx.value='';
       window.open('/adm/rat/extpickframe.html');
   }
   
   function edittext(targetname,residx,title,url) {
       this.document.forms.extimport.useform.value=targetname;
       this.document.forms.extimport.residx.value=residx;
       this.document.forms.extimport.url.value=url;
       this.document.forms.extimport.title.value=title;
       window.open('/adm/rat/extpickframe.html');
   }
   
   function makeexamupload() {
      var title=prompt('$lt{"p_mxu"}');
      if (title) {
       this.document.forms.newexamupload.importdetail.value=
    escape(title)+'=/res/lib/templates/examupload.problem';
       this.document.forms.newexamupload.submit();
      }
   }
   
   function makesmppage() {
      var title=prompt('$lt{"p_msp"}');
      if (title) {
       this.document.forms.newsmppg.importdetail.value=
    escape(title)+'=/adm/$udom/$uname/$now/smppg';
       this.document.forms.newsmppg.submit();
      }
   }
   
   function makesmpproblem() {
      var title=prompt('$lt{"p_msb"}');
      if (title) {
       this.document.forms.newsmpproblem.importdetail.value=
    escape(title)+'=/res/lib/templates/simpleproblem.problem';
       this.document.forms.newsmpproblem.submit();
      }
   }
   
   function makedropbox() {
      var title=prompt('$lt{"p_mdb"}');
      if (title) {
       this.document.forms.newdropbox.importdetail.value=
           escape(title)+'=/res/lib/templates/DropBox.problem';
       this.document.forms.newdropbox.submit();
      }
   }
   
   function makebulboard() {
      var title=prompt('$lt{"p_mbb"}');
      if (title) {
       this.document.forms.newbul.importdetail.value=
    escape(title)+'=/adm/$udom/$uname/$now/bulletinboard';
       this.document.forms.newbul.submit();
      }
   }
   
   function makeabout() {
      var user=prompt("$lt{'p_mab'}");
      if (user) {
          var comp=new Array();
          comp=user.split(':');
          if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
      if ((comp[0]) && (comp[1])) {
          this.document.forms.newaboutsomeone.importdetail.value=
      '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
          this.document.forms.newaboutsomeone.submit();
      } else {
                  alert("$lt{'p_mab_alrt1'}");
              }
          } else {
              alert("$lt{'p_mab_alrt2'}");
          }
      }
   }
   
   function makeims() {
       var caller = document.forms.ims.folder.value;
       var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
       newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
       newWindow.location.href = newlocation;
   }
   
   
   function finishpick() {
       var title=this.document.forms.extimport.title.value;
       var url=this.document.forms.extimport.url.value;
       var form=this.document.forms.extimport.useform.value;
       var residx=this.document.forms.extimport.residx.value;
       eval('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+'='+residx+'";this.document.forms.'+form+'.submit();');
   }
   
   function changename(folderpath,index,oldtitle,container,pagesymb) {
       var title=prompt('$lt{"p_chn"}',oldtitle);
       if (title) {
    this.document.forms.renameform.markcopy.value=-1;
    this.document.forms.renameform.title.value=title;
    this.document.forms.renameform.cmd.value='rename_'+index;
           if (container == 'sequence') {
       this.document.forms.renameform.folderpath.value=folderpath;
           }
           if (container == 'page') {
               this.document.forms.renameform.pagepath.value=folderpath;
               this.document.forms.renameform.pagesymb.value=pagesymb;
           }
           this.document.forms.renameform.submit();
       }
   }
   
   function removeres(folderpath,index,oldtitle,container,pagesymb,skip_confirm) {
       if (skip_confirm || confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr2a"} "'+oldtitle+'" $lt{"p_rmr2b"}')) {
    this.document.forms.renameform.markcopy.value=-1;
    this.document.forms.renameform.cmd.value='del_'+index;
           if (container == 'sequence') {
               this.document.forms.renameform.folderpath.value=folderpath;
           }
           if (container == 'page') {
               this.document.forms.renameform.pagepath.value=folderpath;
               this.document.forms.renameform.pagesymb.value=pagesymb;
           }
           this.document.forms.renameform.submit();
       }
   }
   
   function cutres(folderpath,index,oldtitle,container,pagesymb,folder,skip_confirm) {
       if (skip_confirm || confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr2a"} "'+oldtitle+'" $lt{"p_ctr2b"}')) {
    this.document.forms.renameform.cmd.value='cut_'+index;
    this.document.forms.renameform.markcopy.value=index;
    this.document.forms.renameform.copyfolder.value=folder+'.'+container;
           if (container == 'sequence') {
               this.document.forms.renameform.folderpath.value=folderpath;
           }
           if (container == 'page') {
               this.document.forms.renameform.pagepath.value=folderpath;
               this.document.forms.renameform.pagesymb.value=pagesymb;
           }
           this.document.forms.renameform.submit();
       }
   }
   
   function markcopy(folderpath,index,oldtitle,container,pagesymb,folder) {
       this.document.forms.renameform.markcopy.value=index;
       this.document.forms.renameform.copyfolder.value=folder+'.'+container;
       if (container == 'sequence') {
    this.document.forms.renameform.folderpath.value=folderpath;
       }
       if (container == 'page') {
    this.document.forms.renameform.pagepath.value=folderpath;
    this.document.forms.renameform.pagesymb.value=pagesymb;
       }
       this.document.forms.renameform.submit();
   }
   
   
   ENDNEWSCRIPT
   }
   1;
   __END__
   
   
   =head1 NAME
   
   Apache::londocs.pm
   
   =head1 SYNOPSIS
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   =head1 SUBROUTINES
   
   =over
   
   =item %help=()
   
   Available help topics
   
   =item mapread()
   
   Mapread read maps into LONCAPA::map:: global arrays
   @order and @resources, determines status
   sets @order - pointer to resources in right order
   sets @resources - array with the resources with correct idx
   
   =item authorhosts()
   
   Return hash with valid author names
   
   =item dumpbutton()
   
   Generate "dump" button
   
   =item clean()
   
   =item dumpcourse()
   
       Actually dump course
   
   
   =item exportbutton()
   
       Generate "export" button
   
   =item exportcourse()
   
   =item create_ims_store()
   
   =item build_package()
   
   =item get_dependencies()
   
   =item process_content()
   
   =item replicate_content()
   
   =item extract_media()
   
   =item store_template()
   
   =item group_import()
   
       Imports the given (name, url) resources into the course
       coursenum, coursedom, and folder must precede the list
   
   =item breadcrumbs()
   
   =item log_docs()
   
   =item docs_change_log()
   
   =item update_paste_buffer()
   
   =item print_paste_buffer()
   
   =item do_paste_from_buffer()
   
   =item update_parameter()
   
   =item handle_edit_cmd()
   
   =item editor()
   
   =item process_file_upload()
   
   =item process_secondary_uploads()
   
   =item is_supplemental_title()
   
   =item parse_supplemental_title()
   
   =item entryline()
   
   =item tiehash()
   
   =item untiehash()
   
   =item checkonthis()
   
   check on this
   
   =item verifycontent()
   
   Verify Content
   
   =item devalidateversioncache() & checkversions()
   
   Check Versions
   
   =item mark_hash_old()
   
   =item is_hash_old()
   
   =item changewarning()
   
   =item init_breadcrumbs()
   
   Breadcrumbs for special functions
   
   =back
   
   =cut

Removed from v.1.119  
changed lines
  Added in v.1.326


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