Diff for /loncom/interface/londocs.pm between versions 1.89 and 1.327

version 1.89, 2003/10/28 00:31:02 version 1.327, 2009/01/28 12:56:08
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)=@_;
     $hadchanges=1;      my ($outtext,$errtext)=
     return        &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
       &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.        $map,1);
                                 $map,1);      if ($errtext) { return ($errtext,2); }
 }     
       $hadchanges=1;
 # ----------------------------------------- Return hash with valid author names      return ($errtext,0);
   }
 sub authorhosts {  
     my %outhash=();  
     my $home=0;  
     my $other=0;  sub authorhosts {
     foreach (keys %ENV) {      my %outhash=();
  if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {      my $home=0;
     my $role=$1;      my $other=0;
     my $realm=$2;      foreach my $key (keys(%env)) {
     my ($start,$end)=split(/\./,$ENV{$_});   if ($key=~/^user\.role\.(au|ca)\.(.+)$/) {
     if (($start) && ($start>time)) { next; }      my $role=$1;
     if (($end) && (time>$end)) { next; }      my $realm=$2;
     my $ca; my $cd;      my ($start,$end)=split(/\./,$env{$key});
     if ($1 eq 'au') {      if (($start) && ($start>time)) { next; }
  $ca=$ENV{'user.name'};      if (($end) && (time>$end)) { next; }
  $cd=$ENV{'user.domain'};      my ($ca,$cd);
     } else {      if ($1 eq 'au') {
  ($cd,$ca)=($realm=~/^\/(\w+)\/(\w+)$/);   $ca=$env{'user.name'};
     }   $cd=$env{'user.domain'};
     if (&Apache::lonnet::homeserver($ca,$cd) eq       } else {
  $Apache::lonnet::perlvar{'lonHostID'}) {   ($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/);
  $home++;      }
  $outhash{'home_'.$ca.'@'.$cd}=1;      my $allowed=0;
     } else {      my $myhome=&Apache::lonnet::homeserver($ca,$cd);
  $outhash{'otherhome_'.$ca.'@'.$cd}=      my @ids=&Apache::lonnet::current_machine_ids();
     &Apache::lonnet::homeserver($ca,$cd);      foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
  $other++;      if ($allowed) {
     }   $home++;
  }   $outhash{'home_'.$ca.'@'.$cd}=1;
     }      } else {
     return ($home,$other,%outhash);   $outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
 }   $other++;
 # ------------------------------------------------------ Generate "dump" button      }
    }
 sub dumpbutton {      }
     my ($home,$other,%outhash)=&authorhosts();      return ($home,$other,%outhash);
     if ($home+$other==0) { return ''; }  }
     my $output='</td><td bgcolor="#DDDDCC">';  
     if ($home) {  
  return '</td><td bgcolor="#DDDDCC">'.  sub dumpbutton {
     '<input type="submit" name="dumpcourse" value="'.      my ($home,$other,%outhash)=&authorhosts();
     &mt('Dump Course DOCS to Construction Space').'" />';      my $type = &Apache::loncommon::course_type();
     } else {      if ($home+$other==0) { return ''; }
  return'</td><td bgcolor="#DDDDCC">'.      if ($home) {
      &mt('Dump Course DOCS to Construction Space: available on other servers');   return '<input type="submit" name="dumpcourse" value="'.
     }      &mt('Dump '.$type.' DOCS to Construction Space').'" />'.
 }      &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs');
       } else {
 # -------------------------------------------------------- Actually dump course   return '<div>'.
        &mt('Dump '.$type.
 sub dumpcourse {   ' DOCS to Construction Space: available on other servers').
     my $r=shift;   '</div>';
     $r->print('<html><head><title>Dump DOCS</title></head>'.      }
         &Apache::loncommon::bodytag('Dump Course DOCS to Construction Space').  }
       '<form name="dumpdoc" method="post">');  
     my ($home,$other,%outhash)=&authorhosts();  sub clean {
     unless ($home) { return ''; }      my ($title)=@_;
     my $origcrsid=$ENV{'request.course.id'};      $title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
     my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);      return $title;
     if (($ENV{'form.authorspace'}) && ($ENV{'form.authorfolder'}=~/\w/)) {  }
 # Do the dumping  
  unless ($outhash{'home_'.$ENV{'form.authorspace'}}) { return ''; }  
  my ($ca,$cd)=split(/\@/,$ENV{'form.authorspace'});  
  $r->print('<h3>'.&mt('Copying Files').'</h3>');  sub dumpcourse {
  my $title=$ENV{'form.authorfolder'};      my ($r) = @_;
  $title=~s/[^\w\/]+/\_/g;      my $type = &Apache::loncommon::course_type();
  my %replacehash=();      $r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
  foreach (keys %ENV) {        '<form name="dumpdoc" method="post">');
     if ($_=~/^form\.namefor\_(.+)/) {      $r->print(&Apache::lonhtmlcommon::breadcrumbs('Dump '.$type.' DOCS to Construction Space'));
  $replacehash{$1}=$ENV{$_};      my ($home,$other,%outhash)=&authorhosts();
     }      unless ($home) { return ''; }
  }      my $origcrsid=$env{'request.course.id'};
  my $crs='/uploaded/'.$ENV{'request.course.id'}.'/';      my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
  $crs=~s/\_/\//g;      if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
  foreach (keys %replacehash) {  # Do the dumping
     my $newfilename=$title.'/'.$replacehash{$_};   unless ($outhash{'home_'.$env{'form.authorspace'}}) { return ''; }
     $newfilename=~s/[^\w\/\.]+/\_/g;   my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
     my @dirs=split(/\//,$newfilename);   $r->print('<h3>'.&mt('Copying Files').'</h3>');
     my $path='/home/'.$ca.'/public_html';   my $title=$env{'form.authorfolder'};
     my $makepath=$path;   $title=&clean($title);
     my $fail=0;   my %replacehash=();
     for (my $i=0;$i<$#dirs;$i++) {   foreach my $key (keys(%env)) {
  $makepath.='/'.$dirs[$i];      if ($key=~/^form\.namefor\_(.+)/) {
  unless (-e $makepath) {    $replacehash{$1}=$env{$key};
     unless(mkdir($makepath,0777)) { $fail=1; }       }
  }   }
     }   my $crs='/uploaded/'.$env{'request.course.id'}.'/';
     $r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');   $crs=~s/\_/\//g;
     if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {   foreach my $item (keys(%replacehash)) {
  if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {      my $newfilename=$title.'/'.$replacehash{$item};
     print $fh &Apache::loncreatecourse::rewritefile(      $newfilename=~s/\.(\w+)$//;
          &Apache::loncreatecourse::readfile($ENV{'request.course.id'},$_),      my $ext=$1;
      (%replacehash,$crs => '')      $newfilename=&clean($newfilename);
     );      $newfilename.='.'.$ext;
  } else {      my @dirs=split(/\//,$newfilename);
     print $fh      my $path='/home/'.$ca.'/public_html';
          &Apache::loncreatecourse::readfile($ENV{'request.course.id'},$_);      my $makepath=$path;
        }      my $fail=0;
  $fh->close();      for (my $i=0;$i<$#dirs;$i++) {
     } else {   $makepath.='/'.$dirs[$i];
  $fail=1;   unless (-e $makepath) {
     }      unless(mkdir($makepath,0777)) { $fail=1; }
     if ($fail) {   }
  $r->print('<font color="red">fail</font>');      }
     } else {      $r->print('<br /><tt>'.$item.'</tt> => <tt>'.$newfilename.'</tt>: ');
  $r->print('<font color="green">ok</font>');      if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
     }   if ($item=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
  }      print $fh &Apache::lonclonecourse::rewritefile(
     } else {           &Apache::lonclonecourse::readfile($env{'request.course.id'},$item),
 # Input form       (%replacehash,$crs => '')
  unless ($home==1) {      );
     $r->print(   } else {
       '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');      print $fh
  }           &Apache::lonclonecourse::readfile($env{'request.course.id'},$item);
  foreach (sort keys %outhash) {         }
     if ($_=~/^home_(.+)$/) {   $fh->close();
  if ($home==1) {      } else {
     $r->print(   $fail=1;
   '<input type="hidden" name="authorspace" value="'.$1.'" />');      }
  } else {      if ($fail) {
     $r->print('<option value="'.$1.'">'.$_.'</option>');   $r->print('<span class="LC_error">'.&mt('fail').'</span>');
  }      } else {
     }   $r->print('<span class="LC_success">'.&mt('ok').'</span>');
  }      }
  unless ($home==1) {   }
     $r->print('</select>');      } else {
  }  # Input form
  my $title=$origcrsdata{'description'};   unless ($home==1) {
  $title=~s/\s+/\_/gs;      $r->print(
  $title=~s/\W//gs;        '<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
  $r->print('<h3>'.&mt('Folder in Construction Space').'</h3><input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');   }
  &tiehash();   foreach my $key (sort(keys(%outhash))) {
  $r->print('<h3>'.&mt('Filenames in Construction Space').'</h3><table border="2"><tr><th>'.&mt('Internal Filename').'</th><th>'.&mt('Title').'</th><th>'.&mt('Save as ...').'</th></tr>');      if ($key=~/^home_(.+)$/) {
  foreach (&Apache::loncreatecourse::crsdirlist($origcrsid,'userfiles')) {   if ($home==1) {
     $r->print('<tr><td>'.$_.'</td>');      $r->print(
     my ($ext)=($_=~/\.(\w+)$/);    '<input type="hidden" name="authorspace" value="'.$1.'" />');
     my $title=$hash{'title_'.$hash{   } else {
  'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};      $r->print('<option value="'.$1.'">'.$1.' - '.
     $r->print('<td>'.($title?$title:'&nbsp;').'</td>');        &Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
     unless ($title) {   }
  $title=$_;      }
     }   }
     $title=~s/\.(\w+)$//;   unless ($home==1) {
     $title=~s/\W+/\_/gs;      $r->print('</select>');
     $title.='.'.$ext;   }
     $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td></tr>\n");   my $title=$origcrsdata{'description'};
  }   $title=~s/[\/\s]+/\_/gs;
  $r->print("</table>\n");   $title=&clean($title);
  &untiehash();   $r->print('<h3>'.&mt('Folder in Construction Space').'</h3>'
  $r->print(                   .'<input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
   '<p><input type="submit" name="dumpcourse" value="'.&mt('Dump Course DOCS').'" /></p></form>');   &tiehash();
     }   $r->print('<h3>'.&mt('Filenames in Construction Space').'</h3>'
 }                   .&Apache::loncommon::start_data_table()
                    .&Apache::loncommon::start_data_table_header_row()
                    .'<th>'.&mt('Internal Filename').'</th>'
 # Imports the given (name, url) resources into the course                   .'<th>'.&mt('Title').'</th>'
 # coursenum, coursedom, and folder must precede the list                   .'<th>'.&mt('Save as ...').'</th>'
 sub group_import {                   .&Apache::loncommon::end_data_table_header_row());
     my $coursenum = shift;   foreach my $file (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
     my $coursedom = shift;      $r->print(&Apache::loncommon::start_data_table_row()
     my $folder = shift;                       .'<td>'.$file.'</td>');
     while (@_) {      my ($ext)=($file=~/\.(\w+)$/);
  my $name = shift;      my $title=$hash{'title_'.$hash{
  my $url = shift;   'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$file}};
  if ($url) {      $r->print('<td>'.($title?$title:'&nbsp;').'</td>');
     my $idx = $#Apache::lonratedt::resources + 1;      if (!$title) {
     $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=$idx;   $title=$file;
     my $ext = 'false';      } else {
     if ($url=~/^http:\/\//) { $ext = 'true'; }   $title=~s|/|_|g;
     $url =~ s/:/\&colon;/g;      }
     $name =~ s/:/\&colon;/g;      $title=~s/\.(\w+)$//;
     $Apache::lonratedt::resources[$idx] =       $title=&clean($title);
  join ':', ($name, $url, $ext, 'normal', 'res');      $title.='.'.$ext;
  }      $r->print("\n<td><input type='text' size='60' name='namefor_".$file."' value='".$title."' /></td>"
     }                       .&Apache::loncommon::end_data_table_row());
     &storemap($coursenum, $coursedom, $folder.'.sequence');   }
 }   $r->print(&Apache::loncommon::end_data_table());
    &untiehash();
 sub editor {   $r->print(
     my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;    '<p><input type="submit" name="dumpcourse" value="'.&mt("Dump $type DOCS").'" /></p></form>');
     if ($ENV{'form.foldername'}) {      }
  $r->print('<h3>Folder: '.$ENV{'form.foldername'}.'</h3>');  }
     }  
     my $errtext='';  
     my $fatal=0;  
     ($errtext,$fatal)=  sub exportbutton {
           &mapread($coursenum,$coursedom,$folder.'.sequence');      my $type = &Apache::loncommon::course_type();
     if ($#Apache::lonratedt::order<1) {      return '<input type="submit" name="exportcourse" value="'.
         $Apache::lonratedt::order[0]=1;              &mt('Export '.$type.' to IMS').'" />'.
         $Apache::lonratedt::resources[1]='';      &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs');
     }  }
     if ($fatal) {  
    $r->print('<p><font color="red">'.$errtext.'</font></p>');  
     } else {  
 # ------------------------------------------------------------ Process commands  sub exportcourse {
 # ---------------- if they are for this folder and user allowed to make changes      my $r=shift;
  if (($allowed) && ($ENV{'form.folder'} eq $folder)) {      my $type = &Apache::loncommon::course_type();
 # upload a file, if present      my %discussiontime = &Apache::lonnet::dump('discussiontimes',
            if (($ENV{'form.uploaddoc.filename'}) &&                                                 $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
                ($ENV{'form.cmd'}=~/^upload_(\w+)/)) {      my $numdisc = keys(%discussiontime);
     if ($folder=~/^$1/) {      my $navmap = Apache::lonnavmaps::navmap->new();
 # this is for a course, not a user, so set coursedoc flag      if (!defined($navmap)) {
 # probably the only place in the system where this should be "1"          $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package').
       my $url=&Apache::lonnet::userfileupload('uploaddoc',1);                    '<h2>IMS Export Failed</h2>'.
               my $ext='false';                    '<div class="LC_error">'.
               if ($url=~/^http\:\/\//) { $ext='true'; }                    &mt('Unable to retrieve information about course contents').
               $url=~s/\:/\&colon;/g;                    '</div><a href="/adm/coursedocs">'.&mt('Return to Course Editor').'</a>');
       my $comment=$ENV{'form.comment'};          &Apache::lonnet::logthis('IMS export failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
               $comment=~s/\</\&lt\;/g;          return;
               $comment=~s/\>/\&gt\;/g;      }
               $comment=~s/\:/\&colon;/g;      my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
               if ($folder=~/^supplemental/) {      my $curRes;
   $comment=time.'___&&&___'.$ENV{'user.name'}.'___&&&___'.      my $outcome;
       $ENV{'user.domain'}.'___&&&___'.$comment;  
               }      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
               my $newidx=$#Apache::lonratedt::resources+1;                                              ['finishexport']);
               $Apache::lonratedt::resources[$newidx]=      if ($env{'form.finishexport'}) {
                   $comment.':'.$url.':'.$ext.':normal:res';          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
               $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=                                              ['archive','discussion']);
                                                               $newidx;         
        &storemap($coursenum,$coursedom,$folder.'.sequence');          my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
      }          my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
             }          if (@exportitems == 0 && @discussions == 0) {
     if ($ENV{'form.cmd'}) {              $outcome = '<br />As you did not select any content items or discussions for export, an IMS package has not been created.  Please <a href="javascript:history.go(-1)">go back</a> to select either content items or discussions for export';
                 my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'});          } else {
                 if ($cmd eq 'del') {              my $now = time;
     for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {              my %symbs;
                         $Apache::lonratedt::order[$i]=              my $manifestok = 0;
                           $Apache::lonratedt::order[$i+1];              my $imsresources;
                     }              my $tempexport;
                     $#Apache::lonratedt::order--;              my $copyresult;
                 } elsif ($cmd eq 'up') {              my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
   if (($idx) && (defined($Apache::lonratedt::order[$idx-1]))) {              if ($manifestok) {
                     my $i=$Apache::lonratedt::order[$idx-1];                  &build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
                     $Apache::lonratedt::order[$idx-1]=                  close($ims_manifest);
  $Apache::lonratedt::order[$idx];  
                     $Apache::lonratedt::order[$idx]=$i;  #Create zip file in prtspool
    }                  my $imszipfile = '/prtspool/'.
                 } elsif ($cmd eq 'down') {                  $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
    if (defined($Apache::lonratedt::order[$idx+1])) {                     time.'_'.rand(1000000000).'.zip';
                     my $i=$Apache::lonratedt::order[$idx+1];                  my $cwd = &Cwd::getcwd();
                     $Apache::lonratedt::order[$idx+1]=                  my $imszip = '/home/httpd/'.$imszipfile;
  $Apache::lonratedt::order[$idx];                  chdir $tempexport;
                     $Apache::lonratedt::order[$idx]=$i;                  open(OUTPUT, "zip -r $imszip *  2> /dev/null |");
    }                  close(OUTPUT);
                 } elsif ($cmd eq 'rename') {                  chdir $cwd;
                     my ($rtitle,@rrest)=split(/\:/,                  $outcome .= &mt('Download the zip file from <a href="[_1]">IMS '.lc($type).' archive</a><br />',$imszipfile,);
                        $Apache::lonratedt::resources[                  if ($copyresult) {
        $Apache::lonratedt::order[$idx]]);                      $outcome .= &mt('The following errors occurred during export - [_1]',$copyresult);
                     my $comment=                  }
                      &HTML::Entities::decode($ENV{'form.title'});              } else {
                     $comment=~s/\</\&lt\;/g;                  $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 />';
                     $comment=~s/\>/\&gt\;/g;              }
                     $comment=~s/\:/\&colon;/g;          }
                     $Apache::lonratedt::resources[          $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
        $Apache::lonratedt::order[$idx]]=   $r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
                              $comment.':'.join(':',@rrest);          $r->print($outcome);
                               $r->print(&Apache::loncommon::end_page());
                 }      } else {
 # Store the changed version          my $display;
  &storemap($coursenum,$coursedom,$folder.'.sequence');          $display = '<form name="exportdoc" method="post">'."\n";
             }          $display .= &mt('Choose which items you wish to export from your '.$type.'.<br /><br />');
 # Group import/search          $display .= '<table border="0" cellspacing="0" cellpadding="3">'.
     if ($ENV{'form.importdetail'}) {                      '<tr><td><fieldset><legend>&nbsp;<b>Content items</b></legend>'.
  my @imports;                      '<input type="button" value="check all" '.
  foreach (split(/\&/,$ENV{'form.importdetail'})) {                      'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
     if (defined($_)) {                      '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
  my ($name,$url)=split(/\=/,$_);                      ' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
  $name=&Apache::lonnet::unescape($name);                      '<td>&nbsp;</td><td>&nbsp;</td>'.
  $url=&Apache::lonnet::unescape($url);                      '<td align="right"><fieldset><legend>&nbsp;<b>Discussion posts'.
  push @imports, $name, $url;                      '</b></legend><input type="button" value="check all"'.
     }                      ' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
  }                      '&nbsp;&nbsp;<input type="button" value="uncheck all"'.
 # Store the changed version                      ' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
  group_import($coursenum, $coursedom, $folder, @imports);                      '</tr></table>';
             }          my $curRes;
 # Loading a complete map          my $depth = 0;
    if (($ENV{'form.importmap'}) && ($ENV{'form.loadmap'})) {          my $count = 0;
               foreach          my $boards = 0;
 (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) {          my $startcount = 5;
                    my $idx=$#Apache::lonratedt::resources;          my %parent = ();
                    $idx++;          my %children = ();
                    $Apache::lonratedt::resources[$idx]=$_;          my $lastcontainer = $startcount;
                    $Apache::lonratedt::order          my @bgcolors = ('#F6F6F6','#FFFFFF');
                             [$#Apache::lonratedt::order+1]=$idx;          $display .= '<table cellspacing="0"><tr>'.
                 }              '<td><b>Export content item?<br /></b></td><td>&nbsp;</td><td align="right">'."\n";
           if ($numdisc > 0) {
 # Store the changed version              $display.='<b>Export&nbsp;discussion posts?</b>'."\n";
  &storemap($coursenum,$coursedom,$folder.'.sequence');          }
            }          $display.='&nbsp;</td></tr>';
        }          while ($curRes = $it->next()) {
 # ---------------------------------------------------------------- End commands              if (ref($curRes)) {
 # ---------------------------------------------------------------- Print screen                  $count ++;
         my $idx=0;              }
         $r->print('<table>');              if ($curRes == $it->BEGIN_MAP()) {
         foreach (@Apache::lonratedt::order) {                  $depth++;
            my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);                  $parent{$depth} = $lastcontainer;
            unless ($name) {  $name=(split(/\//,$url))[-1]; }              }
            unless ($name) { $name='NO RESOURCE'; $url='/adm/notfound.html'; }              if ($curRes == $it->END_MAP()) {
            $r->print(&entryline($idx,$name,$url,$folder,$allowed,$_));                  $depth--;
            $idx++;                  $lastcontainer = $parent{$depth};
         }              }
         $r->print('</table>');              if (ref($curRes)) {
     }                  my $symb = $curRes->symb();
 }                  my $ressymb = $symb;
                   if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
 # --------------------------------------------------------------- An entry line                      unless ($ressymb =~ m|adm/wrapper/adm|) {
                           $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
 sub entryline {                      }
     my ($index,$title,$url,$folder,$allowed,$residx)=@_;                  }
     $title=~s/\&colon\;/\:/g;                  my $color = $count%2;
     $title=&HTML::Entities::encode(&HTML::Entities::decode(                  $display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
      &Apache::lonnet::unescape($title)),'\"\<\>\&\'');                      '<input type="checkbox" name="archive" value="'.$count.'" ';
     my $renametitle=$title;                  if (($curRes->is_sequence()) || ($curRes->is_page())) {
     my $foldertitle=$title;                      my $checkitem = $count + $boards + $startcount;
     if ($title=~                      $display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
  /^(\d+)\_\_\_\&amp\;\&amp\;\&amp\;\_\_\_(\w+)\_\_\_\&amp\;\&amp\;\&amp\;\_\_\_(\w+)\_\_\_\&amp\;\&amp\;\&amp\;\_\_\_(.*)$/                  }
  ) {                   $display .= ' />'."\n";
             $foldertitle=&Apache::lontexconvert::msgtexconverted($4);                  for (my $i=0; $i<$depth; $i++) {
             $renametitle=$4;                      $display .= '<img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" /><img src="/adm/lonIcons/whitespace1.gif" class="LC_docs_spacer" />'."\n";
             $title='<i>'.&Apache::lonlocal::locallocaltime($1).'</i> '.                  }
                 &Apache::loncommon::plainname($2,$3).': <br />'.                  if ($curRes->is_sequence()) {
  $foldertitle;                      $display .= '<img src="/adm/lonIcons/navmap.folder.open.gif">&nbsp;'."\n";
  }                      $lastcontainer = $count + $startcount + $boards;
     $renametitle=~s/\&quot\;/\\\"/g;                  } elsif ($curRes->is_page()) {
     my $line='<tr>';                      $display .= '<img src="/adm/lonIcons/navmap.page.open.gif">&nbsp;'."\n";
 # Edit commands                      $lastcontainer = $count + $startcount + $boards;
     if ($allowed) {                  }
        $line.=(<<END);                  my $currelem = $count+$boards+$startcount;
 <td><table border='0' cellspacing='2' cellpadding='0'>                  $children{$parent{$depth}} .= $currelem.':';
 <tr><td bgcolor="#DDDDDD">                  $display .= '&nbsp;'.$curRes->title().'</td>';
 <a href='/adm/coursedocs?folder=$folder&cmd=up_$index'>                  if ($discussiontime{$ressymb} > 0) {
 <img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>                      $boards ++;
 <tr><td bgcolor="#DDDDDD">                      $currelem = $count+$boards+$startcount;
 <a href='/adm/coursedocs?folder=$folder&cmd=down_$index'>                      $display .= '<td>&nbsp;</td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" />&nbsp;</td>'."\n";
 <img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>                  } else {
 </table></td><td bgcolor="#DDDDDD">                      $display .= '<td colspan="2">&nbsp;</td>'."\n";
 <a href='javascript:removeres("$folder","$index","$renametitle");'>                  }
 <font size="-2" color="#990000">Remove</font></a>              }
 <a href='javascript:changename("$folder","$index","$renametitle");'>          }
 <font size="-2" color="#009900">Rename</font></a></td>          my $scripttag = qq|
 END  <script>
     }  
 # Figure out what kind of a resource this is  function checkAll(field) {
     my ($extension)=($url=~/\.(\w+)$/);      if (field.length > 0) {
     my $uploaded=($url=~/^\/*uploaded\//);          for (i = 0; i < field.length; i++) {
     my $icon='unknown';              field[i].checked = true ;
     if (-e "/home/httpd/html/adm/lonIcons/$extension.gif") {          }
  $icon=$extension;      } else {
     }          field.checked = true
     my $isfolder=0;      }
     if ($uploaded) {  }
        if ($extension eq 'sequence') {                                                                                 
   $icon='folder_closed';  function uncheckAll(field) {
           $url=~/\/(\w+)\.sequence/;      if (field.length > 0) {
           $url='/adm/coursedocs?folder='.$1;          for (i = 0; i < field.length; i++) {
           $isfolder=1;              field[i].checked = false ;
        } else {          }
   $url=&Apache::lonnet::tokenwrapper($url);      } else {
        }           field.checked = false ;
     }      }
     $url=~s/^http\&colon\;\/\//\/adm\/wrapper\/ext\//;  }
     if (($residx) && ($folder!~/supplemental/)) {  
        $url.=(($url=~/\?/)?'&':'?').'symb='.  function propagateCheck(item) {
        &Apache::lonnet::escape(&Apache::lonnet::symbclean(      if (document.exportdoc.elements[item].checked == true) {
           &Apache::lonnet::declutter('uploaded/'.          containerCheck(item)
            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.'/'.      }
            $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.'/'.$folder.  }
            '.sequence').  
            '___'.$residx.'___'.  function containerCheck(item) {
    &Apache::lonnet::declutter($url)));      document.exportdoc.elements[item].checked = true
     }      var numitems = $count + $boards + $startcount
     if ($isfolder) { $url.='&foldername='.      var parents = new Array(numitems)
        &Apache::lonnet::escape($foldertitle); }      for (var i=$startcount; i<numitems; i++) {
     $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'" target="cat_'.$folder.          parents[i] = new Array
 '"><img src="/adm/lonIcons/'.      }
         $icon.'.gif" border="0"></a></td>'.          |;
         "<td bgcolor='#FFFFBB'><a href='$url' target='cat_$folder'>$title</a></td></tr>";  
     return $line;          foreach my $container (sort { $a <=> $b } (keys(%children))) {
 }              my @contents = split(/:/,$children{$container});
               for (my $i=0; $i<@contents; $i ++) {
 # ---------------------------------------------------------------- tie the hash                  $scripttag .= '    parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
               }
 sub tiehash {          }
     $hashtied=0;  
     if ($ENV{'request.course.fn'}) {          $scripttag .= qq|
         if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",      if (parents[item].length > 0) {
             &GDBM_READER(),0640)) {          for (var j=0; j<parents[item].length; j++) {
                 $hashtied=1;              containerCheck(parents[item][j])
         }          }
     }           }  
 }  }
   
 sub untiehash {  </script>
     if ($hashtied) { untie %hash; }          |;
     $hashtied=0;   $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package',
 }   $scripttag));
    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Export '.lc($type).' to IMS content package'));
 # --------------------------------------------------------------- check on this   $r->print($display.'</table>'.
                     '<p><input type="hidden" name="finishexport" value="1">'.
 sub checkonthis {                    '<input type="submit" name="exportcourse" value="'.
     my ($r,$url,$level,$title)=@_;                    &mt('Export '.$type.' DOCS').'" /></p></form>');
     $alreadyseen{$url}=1;      }
     $r->rflush();  }
     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {  
        $r->print('<br />');  sub create_ims_store {
        for (my $i=0;$i<=$level*5;$i++) {      my ($now,$manifestok,$outcome,$tempexport) = @_;
            $r->print('&nbsp;');      $$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
        }      my $ims_manifest;
        $r->print('<a href="'.$url.'" target="cat">'.      if (!-e $$tempexport) {
  ($title?$title:$url).'</a> ');          mkdir($$tempexport,0700);
        if ($url=~/^\/res\//) {      }
   my $result=&Apache::lonnet::repcopy(      $$tempexport .= '/'.$now;
                               &Apache::lonnet::filelocation('',$url));      if (!-e $$tempexport) {
           if ($result==OK) {          mkdir($$tempexport,0700);
              $r->print('<font color="green">'.&mt('ok').'</font>');      }
              $r->rflush();      $$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
              &Apache::lonnet::countacc($url);      if (!-e $$tempexport) {
              $url=~/\.(\w+)$/;          mkdir($$tempexport,0700);
              if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {      }
  $r->print('<br />');      if (!-e "$$tempexport/resources") {
                  $r->rflush();          mkdir("$$tempexport/resources",0700);
                  for (my $i=0;$i<=$level*5;$i++) {      }
                      $r->print('&nbsp;');  # open manifest file
                  }      my $manifest = '/imsmanifest.xml';
                  $r->print('- '.&mt('Rendering').': ');      my $manifestfilename = $$tempexport.$manifest;
                  my $oldpath=$ENV{'request.filename'};      if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
                  $ENV{'request.filename'}=&Apache::lonnet::filelocation('',$url);          $$manifestok=1;
                  &Apache::lonxml::xmlparse($r,'web',          print $ims_manifest
                    &Apache::lonnet::getfile(  '<?xml version="1.0" encoding="UTF-8"?>'."\n".
                     &Apache::lonnet::filelocation('',$url)));  '<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
  $ENV{'request.filename'}=$oldpath;  ' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
                  if (($Apache::lonxml::errorcount) ||  ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
                      ($Apache::lonxml::warningcount)) {  ' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
      if ($Apache::lonxml::errorcount) {  '  xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
                         $r->print('<font color="red"><b>'.  '  http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
   $Apache::lonxml::errorcount.' '.  '  <metadata>
   &mt('error(s)').'</b></font> ');      <schema></schema>
                      }      <imsmd:lom>
      if ($Apache::lonxml::warningcount) {        <imsmd:general>
                         $r->print('<font color="blue">'.          <imsmd:identifier>'.$env{'request.course.id'}.'</imsmd:identifier>
   $Apache::lonxml::warningcount.' '.          <imsmd:title>
   &mt('warning(s)').'</font>');            <imsmd:langstring xml:lang="en">'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</imsmd:langstring>
                      }          </imsmd:title>
                  } else {        </imsmd:general>
                      $r->print('<font color="green">'.&mt('ok').'</font>');      </imsmd:lom>
                  }    </metadata>'."\n".
                  $r->rflush();  '  <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
              }  '    <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
      my $dependencies=  ' structure="hierarchical">'."\n".
                 &Apache::lonnet::metadata($url,'dependencies');  '      <title>'.$env{'course.'.$env{'request.course.id'}.'.description'}.'</title>'
              foreach (split(/\,/,$dependencies)) {      } else {
  if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {          $$outcome .= 'An error occurred opening the IMS manifest file.<br />'
                     &checkonthis($r,$_,$level+1);  ;
                  }      }
              }      return $ims_manifest;
           } elsif ($result==HTTP_SERVICE_UNAVAILABLE) {  }
              $r->print('<font color="red"><b>'.&mt('connection down').'</b></font>');  
           } elsif ($result==HTTP_NOT_FOUND) {  sub build_package {
              $r->print('<font color="red"><b>'.&mt('not found').'</b></font>');      my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
           } else {  # first iterator to look for dependencies
              $r->print('<font color="red"><b>'.&mt('access denied').'</b></font>');      my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
           }      my $curRes;
       }      my $count = 0;
    }      my $depth = 0;
 }      my $lastcontainer = 0;
       my %parent = ();
       my @dependencies = ();
 #      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 # -------------------------------------------------------------- Verify Content      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 #       while ($curRes = $it->next()) {
 sub verifycontent {          if (ref($curRes)) {
    my $r=shift;               $count ++;
    my $loaderror=&Apache::lonnet::overloaderror($r);          }
    if ($loaderror) { return $loaderror; }          if ($curRes == $it->BEGIN_MAP()) {
               $depth++;
    $r->print('<html><head><title>Verify Content</title></head>'.              $parent{$depth} = $lastcontainer;
               &Apache::loncommon::bodytag('Verify Course Documents'));          }
    $hashtied=0;          if ($curRes == $it->END_MAP()) {
    undef %alreadyseen;              $depth--;
    %alreadyseen=();              $lastcontainer = $parent{$depth};
    &tiehash();          }
    foreach (keys %hash) {          if (ref($curRes)) {
        if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) {              if ($curRes->is_sequence() || $curRes->is_page()) {
            &checkonthis($r,$hash{$_},0,$hash{'title_'.$1});                  $lastcontainer = $count;
        }              }
    }              if (grep(/^$count$/,@$exportitems)) {
    &untiehash();                  &get_dependencies($exportitems,\%parent,$depth,\@dependencies);
    $r->print('<h1>'.&mt('Done').'.</h1>');              }
 }          }
       }
 # -------------------------------------------------------------- Check Versions  # second iterator to build manifest and store resources
       $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
 sub checkversions {      $depth = 0;
     my $r=shift;      my $prevdepth;
     $r->print('<html><head><title>Check Versions</title></head>'.      $count = 0;
               &Apache::loncommon::bodytag('Check Course Document Versions'));      my $imsresources;
     $hashtied=0;      my $pkgdepth;
     &tiehash();      while ($curRes = $it->next()) {
     my $header='';          if ($curRes == $it->BEGIN_MAP()) {
     my $startsel='';              $prevdepth = $depth;
     my $monthsel='';              $depth++;
     my $weeksel='';          }
     my $daysel='';          if ($curRes == $it->END_MAP()) {
     my $allsel='';              $prevdepth = $depth;
     my %changes=();              $depth--;
     my $starttime=0;          }
     if ($ENV{'form.timerange'} eq 'all') {  
 # show all documents          if (ref($curRes)) {
  $header=&mt('All Documents in Course');              $count ++;
     } else {              if ((grep(/^$count$/,@$exportitems)) || (grep(/^$count$/,@dependencies))) {
 # show documents which changed                  my $symb = $curRes->symb();
  %changes=&Apache::lonnet::dump                  my $isvisible = 'true';
  ('versionupdate',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},                  my $resourceref;
                      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});                  if ($curRes->randomout()) {
  my $firstkey=(keys %changes)[0];                      $isvisible = 'false';
  unless ($firstkey=~/^error\:/) {                  }
     unless ($ENV{'form.timerange'}) {                  unless ($curRes->is_sequence()) {
  $ENV{'form.timerange'}=604800;                      $resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
     }                  }
     my $seltext=&mt('during the last').' '.$ENV{'form.timerange'}.' '                  my $step = $prevdepth - $depth;
  .&mt('seconds');                  if (($step >= 0) && ($count > 1)) {
     if ($ENV{'form.timerange'}==-1) {                      while ($step >= 0) {
  $seltext='since start of course';                          print $ims_manifest "\n".'  </item>'."\n";
  $startsel='selected';                          $step --;
  $ENV{'form.timerange'}=time;                      }
     }                  }
     $starttime=time-$ENV{'form.timerange'};                  $prevdepth = $depth;
     if ($ENV{'form.timerange'}==2592000) {  
  $seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';                  my $itementry =
  $monthsel='selected';                '<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
     } elsif ($ENV{'form.timerange'}==604800) {                '" isvisible="'.$isvisible.'" '.$resourceref.'>'.
  $seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';                '<title>'.$curRes->title().'</title>';
  $weeksel='selected';                  print $ims_manifest "\n".$itementry;
     } elsif ($ENV{'form.timerange'}==86400) {  
  $seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';                  unless ($curRes->is_sequence()) {
  $daysel='selected';                      my $content_file;
     }                      my @hrefs = ();
     $header=&mt('Content changed').' '.$seltext;                      &process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
  } else {                      if ($content_file) {
     $header=&mt('No content modifications yet.');                          $imsresources .= "\n".
  }                       '   <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
     }                       '" type="webcontent" href="'.$content_file.'">'."\n".
     my %lt=&Apache::lonlocal::texthash                       '       <file href="'.$content_file.'" />'."\n";
       ('st' => 'Version changes since start of Course',                          foreach my $item (@hrefs) {
        'lm' => 'Version changes since last Month',                              $imsresources .=
        'lw' => 'Version changes since last Week',                       '        <file href="'.$item.'" />'."\n";
        'sy' => 'Version changes since Yesterday',                          }
                'al' => 'All Resources',                          if (grep(/^$count$/,@$discussions)) {
        'sd' => 'Display',                              my $ressymb = $symb;
        'fi' => 'File',                              my $mode;
        'md' => 'Modification Date',                              if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
                'mr' => 'Most recently published Version',                                  unless ($ressymb =~ m|adm/wrapper/adm|) {
        've' => 'Version used in Course',                                      $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
                'vu' => 'Set Version to be used in Course',                                   }
        'di' => 'Differences');                                  $mode = 'board';
     $r->print(<<ENDHEADERS);                              }
 <form action="/adm/coursedocs" method="post">                              my %extras = (
 <select name="timerange">                                            caller => 'imsexport',
 <option value='all' $allsel>$lt{'al'}</option>                                            tempexport => $tempexport.'/resources',
 <option value="-1" $startsel>$lt{'st'}</option>                                            count => $count
 <option value="2592000" $monthsel>$lt{'lm'}</option>                                           );
 <option value="604800" $weeksel>$lt{'lw'}</option>                              my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
 <option value="86400" $daysel>$lt{'sy'}</option>                          }
 </select>                          $imsresources .= '    </resource>'."\n";
 <input type="submit" name="versions" value="$lt{'sd'}" />                      }
 </form>                  }
 <h3>$header</h3>                  $pkgdepth = $depth;
 <table border="2">              }
 <tr>          }
 <th>$lt{'fi'}</th><th>$lt{'md'}</th><th>$lt{'mr'}</th>      }
 <th>$lt{'ve'}</th><th>$lt{'vu'}</th><th>$lt{'di'}</th></tr>      while ($pkgdepth > 0) {
 ENDHEADERS          print $ims_manifest "    </item>\n";
     foreach (keys %changes) {          $pkgdepth --;
  if ($changes{$_}>$starttime) {      }
     my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);      my $resource_text = qq|
     my $currentversion=&Apache::lonnet::getversion($_);      </organization>
     my $linkurl=&Apache::lonnet::clutter($_);    </organizations>
     $r->print(    <resources>
       '<tr><td><a href="'.$linkurl.'" target="cat">'.$linkurl.      $imsresources
       '</a></td><td>'.    </resources>
       &Apache::lonlocal::locallocaltime($changes{$_}).  </manifest>
                       '</td><td><font size="+2">'.      |;
       $currentversion.'</font></td><td><font size="+2">');      print $ims_manifest $resource_text;
 # Used in course  }
     my $usedversion=$hash{'version_'.$linkurl};  
     if ($usedversion) {  sub get_dependencies {
  $r->print($usedversion);      my ($exportitems,$parent,$depth,$dependencies) = @_;
     } else {      if ($depth > 1) {
  $r->print($currentversion);          if ((!grep(/^$$parent{$depth}$/,@$exportitems)) && (!grep(/^$$parent{$depth}$/,@$dependencies))) {
     }              push(@{$dependencies},$$parent{$depth});
     $r->print('</font></td><td>');              if ($depth > 2) {
 # Set version                  &get_dependencies($exportitems,$parent,$depth-1,$dependencies);
     $r->print(&Apache::loncommon::select_form($usedversion,              }
       'set_version_'.$linkurl,          }
       ('' => '',      }
        'current' => 'current',  }
        map {$_,$_} (1..$currentversion))));  
     $r->print('</td><td>');  sub process_content {
     my $lastold=1;      my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
     for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {      my $content_type;
  my $url=$root.'.'.$prevvers.'.'.$extension;      my $message;
  if (&Apache::lonnet::metadata($url,'lastrevisiondate')<      my @uploads = ();
     $starttime) {      if ($curRes->is_sequence()) {
     $lastold=$prevvers;          $content_type = 'sequence';
  }      } elsif ($curRes->is_page()) {
     }          $content_type = 'page'; # need to handle individual items in pages.
             for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {      } elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
  my $url=$root.'.'.$prevvers.'.'.$extension;          $content_type = 'syllabus';
  $r->print('<a href="'.&Apache::lonnet::clutter($url).          my $contents = &Apache::imsexport::templatedpage($content_type);
   '">'.&mt('Version').' '.$prevvers.' ('.          if ($contents) {
   &Apache::lonlocal::locallocaltime(&Apache::lonnet::metadata($url,'lastrevisiondate')).              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
   ')</a>');          }
  if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {      } elsif ($symb =~ m-\.sequence___\d+___ext-) {
                     $r->print(' <a href="/adm/diff?filename='.          $content_type = 'external';
       &Apache::lonnet::clutter($root.'.'.$extension).          my $title = $curRes->title;
       '&versionone='.$prevvers.          my $contents =  &Apache::imsexport::external($symb,$title);
       '">'.&mt('Diffs').'</a>');          if ($contents) {
  }              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
  $r->print('<br />');          }
     }      } elsif ($symb =~ m-adm/navmaps$-) {
     $r->print('</td></tr>');          $content_type =  'navmap';
  }      } elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
     }          $content_type = 'simplepage';
     $r->print('</table>');          my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
     $r->print('<h1>'.&mt('Done').'.</h1>');          if ($contents) {
               $$content_file = &store_template($contents,$tempexport,$count,$content_type);
     &untiehash();          }
 }      } elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
           $content_type = 'simpleproblem';
 # ================================================================ Main Handler          my $contents =  &Apache::imsexport::simpleproblem($symb);
 sub handler {          if ($contents) {
     my $r = shift;              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
     &Apache::loncommon::content_type($r,'text/html');          }
     $r->send_http_header;      } elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
     return OK if $r->header_only;          $content_type = 'examupload';
       } elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
     &Apache::lonlocal::clearreroutetrans();          $content_type = 'bulletinboard';
 # --------------------------------------------- Initialize help topics for this          my $contents =  &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
   foreach ('Adding_Course_Doc','Main_Course_Documents',          if ($contents) {
            'Adding_External_Resource','Navigate_Content',              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
            'Adding_Folders','Docs_Overview', 'Load_Map',          }
            'Supplemental', 'Score_Upload_Form',      } elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
            'Importing_LON-CAPA_Resource','Uploading_From_Harddrive') {          $content_type = 'aboutme';
       $help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);          my $contents =  &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
   }          if ($contents) {
     # Composite help files              $$content_file = &store_template($contents,$tempexport,$count,$content_type);
     $help{'Syllabus'} = &Apache::loncommon::help_open_topic(          }
     'Docs_About_Syllabus,Docs_Editing_Templated_Pages');      } elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
     $help{'Simple Page'} = &Apache::loncommon::help_open_topic(          $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
     'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');      } elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
     $help{'Simple Problem'} = &Apache::loncommon::help_open_topic(          my $canedit = 0;
     'Option_Response_Simple');          if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'})  {
     $help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(              $canedit= 1;
     'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');          }
     $help{'My Personal Info'} = &Apache::loncommon::help_open_topic(  # only include problem code where current user is author
   'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');          if ($canedit) {
     $help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');              $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
            } else {
   if ($ENV{'form.verify'}) {              $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
       &verifycontent($r);          }
   } elsif ($ENV{'form.versions'}) {      } elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
       &checkversions($r);          $$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
   } elsif ($ENV{'form.dumpcourse'}) {      }
       &dumpcourse($r);      if (@uploads > 0) {
   } else {          foreach my $item (@uploads) {
 # is this a standard course?              my $uploadmsg = '';
               &replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
     my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);              if ($uploadmsg) {
     my $forcestandard;                  $$copyresult .= $uploadmsg."\n";
     my $forcesupplement;              }
     my $script='';          }
     my $allowed;      }
     my $events='';      if ($message) {
     my $showdoc=0;          $$copyresult .= $message."\n";
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},      }
        ['folder','foldername']);  }
     if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {  
        $showdoc=$1;  sub replicate_content {
     }      my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
     unless ($showdoc) { # got called from remote      my ($map,$ind,$url);
        $forcestandard=($ENV{'form.folder'}=~/^default_/);      if ($caller eq 'templateupload') {
        $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);          $url = $symb;
           $url =~ s#//#/#g;
 # does this user have privileges to post, etc?      } else {
        $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});          ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
        if ($allowed) {       }
          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);      my $content;
          $script=&Apache::lonratedt::editscript('simple');       my $filename;
        }      my $repstatus;
     } else { # got called in sequence from course      my $content_name;
        $allowed=0;      if ($url =~ m-/([^/]+)$-) {
        $script='</script>'.&Apache::lonmenu::registerurl(1,undef).'<script>';          $filename = $1;
        $events='onLoad="'.&Apache::lonmenu::loadevents.          if (!-e $tempexport.'/resources') {
            '" onUnload="'.&Apache::lonmenu::unloadevents.'"';              mkdir($tempexport.'/resources',0700);
     }          }
           if (!-e $tempexport.'/resources/'.$count) {
 # get course data              mkdir($tempexport.'/resources/'.$count,0700);
     my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};          }
     my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};          my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
           my $copiedfile;
 # get personal data          if ($copiedfile = Apache::File->new('>'.$destination)) {
                my $content;
     my $uname=$ENV{'user.name'};              if ($caller eq 'resource') {
     my $udom=$ENV{'user.domain'};                  my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
     my $plainname=&Apache::lonnet::escape(                  my $filepath = &Apache::lonnet::filelocation($respath,$url);
                      &Apache::loncommon::plainname($uname,$udom));                  $content = &Apache::lonnet::getfile($filepath);
                   if ($content eq -1) {
 # graphics settings                      $$message = 'Could not copy file '.$filename;
                   } else {
     $iconpath = $r->dir_config('lonIconsURL') . "/";                      &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
                       $repstatus = 'ok';
     my $now=time;                  }
               } elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
 # print screen                  my $rtncode;
     $r->print(<<ENDDOCUMENT);                  $repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
 <html>                  if ($repstatus eq 'ok') {
 <head>                      if ($url =~ /\.html?$/i) {
 <title>The LearningOnline Network with CAPA</title>                          &extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
 <script>                      }
 $script                  } else {
 </script>                      $$message = 'Could not render '.$url.' server message - '.$rtncode."<br />\n";
 ENDDOCUMENT                  }
    if ($allowed) {              } elsif ($caller eq 'noedit') {
     $r->print(<<ENDNEWSCRIPT);  # Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this.
 <script>                  $repstatus = 'ok';
 function makenewfolder(targetform,folderseq) {                  $content = 'Not the owner of this resource';
     var foldername=prompt('Name of New Folder','New Folder');              }
     if (foldername) {              if ($repstatus eq 'ok') {
  targetform.importdetail.value=foldername+"="+folderseq;                  print $copiedfile $content;
         targetform.submit();              }
     }              close($copiedfile);
 }          } else {
               $$message = 'Could not open destination file for '.$filename."<br />\n";
 function makenewext(targetname) {          }
     this.document.forms.extimport.useform.value=targetname;      } else {
     window.open('/adm/rat/extpickframe.html');          $$message = 'Could not determine name of file for '.$symb."<br />\n";
 }      }
       if ($repstatus eq 'ok') {
 function makeexamupload() {          $content_name = 'resources/'.$count.'/'.$filename;
    var title=prompt('Listed Title for the Uploaded Score');      }
    if (title) {       return $content_name;
     this.document.forms.newexamupload.importdetail.value=  }
  title+'=/res/lib/templates/examupload.problem';  
     this.document.forms.newexamupload.submit();  sub extract_media {
    }      my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
 }      my ($dirpath,$container);
       my %allfiles = ();
 function makesmppage() {      my %codebase = ();
    var title=prompt('Listed Title for the Page');      if ($url =~ m-(.*/)([^/]+)$-) {
    if (title) {           $dirpath = $1;
     this.document.forms.newsmppg.importdetail.value=          $container = $2;
  title+'=/adm/$udom/$uname/$now/smppg';      } else {
     this.document.forms.newsmppg.submit();          $dirpath = $url;
    }          $container = '';
 }      }
       &Apache::lonnet::extract_embedded_items(undef,\%allfiles,\%codebase,$content);
 function makesmpproblem() {      foreach my $embed_file (keys(%allfiles)) {
    var title=prompt('Listed Title for the Problem');          my $filename;
    if (title) {           if ($embed_file =~ m#([^/]+)$#) {
     this.document.forms.newsmpproblem.importdetail.value=              $filename = $1;
  title+'=/res/lib/templates/simpleproblem.problem';          } else {
     this.document.forms.newsmpproblem.submit();              $filename = $embed_file;
    }          }
 }          my $newname = 'res/'.$filename;
           my ($rtncode,$embed_content,$repstatus);
 function makebulboard() {          my $embed_url;
    var title=prompt('Listed Title for the Bulletin Board');          if ($embed_file =~ m-^/-) {
    if (title) {              $embed_url = $embed_file;           # points to absolute path
     this.document.forms.newbul.importdetail.value=          } else {
  title+'=/adm/$udom/$uname/$now/bulletinboard';              if ($embed_file =~ m-https?://-) {
     this.document.forms.newbul.submit();                  next;                           # points to url
    }              } else {
 }                  $embed_url = $dirpath.$embed_file;  # points to relative path
               }
 function finishpick() {          }
     var title=this.document.forms.extimport.title.value;          if ($caller eq 'resource') {
     var url=this.document.forms.extimport.url.value;              my $respath =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';  
     var form=this.document.forms.extimport.useform.value;              my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url);
     eval              $embed_content = &Apache::lonnet::getfile($embed_path);
      ('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+              unless ($embed_content eq -1) {
     '";this.document.forms.'+form+'.submit();');                  $repstatus = 'ok';
 }              }
           } elsif ($caller eq 'uploaded') {
 function changename(folder,index,oldtitle) {             
     var title=prompt('New Title',oldtitle);              $repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
     if (title) {          }
  this.document.forms.renameform.title.value=title;          if ($repstatus eq 'ok') {
  this.document.forms.renameform.cmd.value='rename_'+index;              my $destination = $tempexport.'/resources/'.$count.'/res';
  this.document.forms.renameform.folder.value=folder;              if (!-e "$destination") {
         this.document.forms.renameform.submit();                  mkdir($destination,0755);
     }              }
 }              $destination .= '/'.$filename;
               my $copiedfile;
 function removeres(folder,index,oldtitle) {              if ($copiedfile = Apache::File->new('>'.$destination)) {
     if ((oldtitle=='NO RESOURCE') || (confirm('Remove "'+oldtitle+'"?'))) {                  print $copiedfile $embed_content;
  this.document.forms.renameform.cmd.value='del_'+index;                  push(@{$href},'resources/'.$count.'/res/'.$filename);
  this.document.forms.renameform.folder.value=folder;                  my $attrib_regexp = '';
         this.document.forms.renameform.submit();                  if (@{$allfiles{$embed_file}} > 1) {
     }                      $attrib_regexp = join('|',@{$allfiles{$embed_file}});
 }                  } else {
 </script>                      $attrib_regexp = $allfiles{$embed_file}[0];
                   }
 ENDNEWSCRIPT                  $$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
   }                  if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
 # -------------------------------------------------------------------- Body tag                      $$content =~ s#\Q$embed_file\E#$newname#gi;
   $r->print('</head>'.                  }
             &Apache::loncommon::bodytag('Course Documents','',$events,              }
  '','',$showdoc));          } else {
   unless ($showdoc) {              $$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode."<br />\n";
 # -----------------------------------------------------------------------------          }
        my %lt=&Apache::lonlocal::texthash(      }
                 'uplm' => 'Upload a new main course document',      return;
                 'upls' => 'Upload a new supplemental course document',  }
                 'impp' => 'Import a published document',  
                 'spec' => 'Special documents',  sub store_template {
                 'upld' => 'Upload Document',      my ($contents,$tempexport,$count,$content_type) = @_;
                 'srch' => 'Search',      if ($contents) {
                 'impo' => 'Import',          if ($tempexport) {
                 'selm' => 'Select Map',              if (!-e $tempexport.'/resources') {
                 'load' => 'Load Map',                  mkdir($tempexport.'/resources',0700);
                 'newf' => 'New Folder',              }
                 'extr' => 'External Resource',              if (!-e $tempexport.'/resources/'.$count) {
                 'syll' => 'Syllabus',                  mkdir($tempexport.'/resources/'.$count,0700);
                 'navc' => 'Navigate Contents',              }
                 'sipa' => 'Simple Page',              my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
                 'sipr' => 'Simple Problem',              my $storetemplate;
                 'scuf' => 'Score Upload Form',              if ($storetemplate = Apache::File->new('>'.$destination)) {
                 'bull' => 'Bulletin Board',                  print $storetemplate $contents;
                 'mypi' => 'My Personal Info'                  close($storetemplate);
   );              }
 # -----------------------------------------------------------------------------              if ($content_type eq 'external') {
     if ($allowed) {                  return 'resources/'.$count.'/'.$content_type.'.html';
        my $dumpbut=&dumpbutton();              } else {
        my %lt=&Apache::lonlocal::texthash(                  return 'resources/'.$count.'/'.$content_type.'.xml';
  'vc' => 'Verify Content',              }
  'cv' => 'Check/Set Resource Versions',          }
   );      }
        $r->print(<<ENDCOURSEVERIFY);  }
 <form name="renameform" method="post" action="/adm/coursedocs">  
 <input type="hidden" name="title" />  
 <input type="hidden" name="cmd" />  sub group_import {
 <input type="hidden" name="folder" />      my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
 </form>  
 <form name="simpleedit" method="post" action="/adm/coursedocs">      while (@files) {
 <input type=hidden name="importdetail" value="">   my ($name, $url, $residx) = @{ shift(@files) };
 <input type="hidden" name="folder" />          if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$})
 </form>       && ($caller eq 'londocs')
 <form action="/adm/coursedocs" method="post" name="courseverify">       && (!&Apache::lonnet::stat_file($url))) {
 <table bgcolor="#AAAAAA" width="100%" cellspacing="4" cellpadding="4">      
 <tr><td bgcolor="#DDDDCC">              my $errtext = '';
 <input type="submit" name="verify" value="$lt{'vc'}" />              my $fatal = 0;
 </td><td bgcolor="#DDDDCC">              my $newmapstr = '<map>'."\n".
 <input type="submit" name="versions" value="$lt{'cv'}" />                              '<resource id="1" src="" type="start"></resource>'."\n".
 $dumpbut                              '<link from="1" to="2" index="1"></link>'."\n".
 </td></tr></table>                              '<resource id="2" src="" type="finish"></resource>'."\n".
 </form>                              '</map>';
 ENDCOURSEVERIFY              $env{'form.output'}=$newmapstr;
        $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',              my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
      'Editing the Table of Contents for your Course'));                                                  'output',$1.$2);
     }              if ($result != m|^/uploaded/|) {
 # --------------------------------------------------------- Standard documents                  $errtext.='Map not saved: A network error occurred when trying to save the new map. ';
     $r->print('<table border=2 cellspacing=4 cellpadding=4>');                  $fatal = 2;
     if (($standard) && ($allowed) && (!$forcesupplement)) {              }
        $r->print('<tr><td bgcolor="#BBBBBB"><h2>'.&mt('Main Course Documents').              if ($fatal) {
   ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');                  return ($errtext,$fatal);
        my $folder=$ENV{'form.folder'};              }
        unless ($folder=~/^default/) { $folder='default'; }          }
        my $postexec='';   if ($url) {
        if ($folder eq 'default') {      if (!$residx
    $r->print('<script>this.window.name="loncapaclient";</script>');   || defined($LONCAPA::map::zombies[$residx])) {
        } else {   $residx = &LONCAPA::map::getresidx($url,$residx);
            $postexec='self.close();';   push(@LONCAPA::map::order, $residx);
        }      }
        $hadchanges=0;      my $ext = 'false';
        &editor($r,$coursenum,$coursedom,$folder,$allowed);      if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
        if ($hadchanges) {      $url  = &LONCAPA::map::qtunescape($url);
    $r->print(      $name = &LONCAPA::map::qtunescape($name);
 '<script>function reinit(tf) { tf.submit();'.$postexec.' }</script>'.       $LONCAPA::map::resources[$residx] =
 '<form method="post" action="/adm/roles" target="loncapaclient">'.   join(':', ($name, $url, $ext, 'normal', 'res'));
 '<input type="hidden" name="orgurl" value="/adm/coursedocs" /><input type="hidden" name="selectrole" value="1" /><h3><font color="red">'.   }
 &mt('Changes will become active for your current session after').      }
 ' <input type="hidden" name="'.      return &storemap($coursenum, $coursedom, $folder.'.'.$container);
 $ENV{'request.role'}.'" value="1" /><input type="button" value="'.  }
 &mt('re-initializing course').'" onClick="reinit(this.form)"/>'.&mt(', or the next time you log in.').  
 $help{'Caching'}.'</font></h3></form>');  sub breadcrumbs {
        }      my ($where,$allowed,$type)=@_;
        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.      &Apache::lonhtmlcommon::clear_breadcrumbs();
                      '.sequence';      my (@folders);
        $r->print(<<ENDFORM);      if ($env{'form.pagepath'}) {
 <table cellspacing=4 cellpadding=4><tr>          @folders = split('&',$env{'form.pagepath'});
 <th bgcolor="#DDDDDD">$lt{'uplm'}</th>      } else {
 <th bgcolor="#DDDDDD">$lt{'impp'}</th>          @folders=split('&',$env{'form.folderpath'});
 <th bgcolor="#DDDDDD">$lt{'spec'}</th>      }
 </tr>      my $folderpath;
 <tr><td bgcolor="#DDDDDD">      my $cpinfo='';
 File:<br />      my $plain='';
 <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">      my $randompick=-1;
 <input type="file" name="uploaddoc" size="40">      my $isencrypted=0;
 <br />      my $ishidden=0;
 Title:<br />      my $is_random_order=0;
 <input type="text" size="50" name="comment">      while (@folders) {
 <input type="hidden" name="folder" value="$folder">   my $folder=shift(@folders);
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">      my $foldername=shift(@folders);
 <input type="hidden" name="cmd" value="upload_default">   if ($folderpath) {$folderpath.='&';}
 <input type="submit" value="$lt{'upld'}">   $folderpath.=$folder.'&'.$foldername;
 <nobr>   my $url='/adm/coursedocs?folderpath='.
  $help{'Uploading_From_Harddrive'}      &escape($folderpath);
 </nobr>      my $name=&unescape($foldername);
 </form>  # randompick number, hidden, encrypted, random order, is appended with ":"s to the foldername
 </td>       $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
 <td bgcolor="#DDDDDD">      if ($1 ne '') {
 <form action="/adm/coursedocs" method="post" name="simpleeditdefault">                 $randompick=$1;
 <input type="hidden" name="folder" value="$folder">              } else {
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">                 $randompick=-1;
 <input type=button onClick=              }
 "javascript:document.forms.simpleedit.folder.value='$folder';groupsearch()" value="$lt{'srch'}">              if ($2) { $ishidden=1; }
 <nobr>              if ($3) { $isencrypted=1; }
 <input type=button onClick=      if ($4 ne '') { $is_random_order = 1; }
 "javascript:document.forms.simpleedit.folder.value='$folder';groupimport();" value="$lt{'impo'}">              if ($folder eq 'supplemental') {
 $help{'Importing_LON-CAPA_Resource'}                  if ($allowed) {
 </nobr>                      $name = &mt('Supplemental '.$type.' Documents');
 <p>                  } else {
 <hr />                      $name = &mt($type.' Documents');
 <input type="text" size="20" name="importmap"><br />                  }
 <nobr><input type=button               }
 onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"      &Apache::lonhtmlcommon::add_breadcrumb(
 value="$lt{'selm'}"> <input type="submit" name="loadmap" value="$lt{'load'}">        {'href'=>$url.$cpinfo,
 $help{'Load_Map'}</nobr>         'title'=>$name,
 </p>         'text'=>'<font size="+1">'.
 </form>     $name.'</font>',
 </td><td bgcolor="#DDDDDD">         'no_mt'=>1,
 <form action="/adm/coursedocs" method="post" name="newfolder">         });
 <input type="hidden" name="folder" value="$folder">   $plain.=$name.' &gt; ';
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">      }
 <input type=hidden name="importdetail" value="">      $plain=~s/\&gt\;\s*$//;
 <nobr>      return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
 <input name="newfolder" type="button"         'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
 onClick="javascript:makenewfolder(this.form,'$folderseq');"  }
 value="$lt{'newf'}" />$help{'Adding_Folders'}  
 </nobr>  sub log_docs {
 </form>      return &Apache::lonnet::instructor_log('docslog',@_);
 <form action="/adm/coursedocs" method="post" name="newext">  }
 <input type="hidden" name="folder" value="$folder">  
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">  {
 <input type=hidden name="importdetail" value="">      my @oldresources=();
 <nobr>      my @oldorder=();
 <input name="newext" type="button" onClick="javascript:makenewext('newext');"      my $parmidx;
 value="$lt{'extr'}" /> $help{'Adding_External_Resource'}      my %parmaction=();
 </nobr>      my %parmvalue=();
 </form>      my $changedflag;
 <form action="/adm/coursedocs" method="post" name="newsyl">  
 <input type="hidden" name="folder" value="$folder">      sub snapshotbefore {
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">          @oldresources=@LONCAPA::map::resources;
 <input type=hidden name="importdetail"           @oldorder=@LONCAPA::map::order;
 value="Syllabus=/public/$coursedom/$coursenum/syllabus">          $parmidx=undef;
 <nobr>          %parmaction=();
 <input name="newsyl" type="submit" value="$lt{'syll'}" />           %parmvalue=();
  $help{'Syllabus'}          $changedflag=0;
 </nobr>      }
 </form>  
 <form action="/adm/coursedocs" method="post" name="newnav">      sub remember_parms {
 <input type="hidden" name="folder" value="$folder">          my ($idx,$parameter,$action,$value)=@_;
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">          $parmidx=$idx;
 <input type=hidden name="importdetail"           $parmaction{$parameter}=$action;
 value="Navigate Content=/adm/navmaps">          $parmvalue{$parameter}=$value;
 <nobr>          $changedflag=1;
 <input name="newnav" type="submit" value="$lt{'navc'}" />      }
 $help{'Navigate_Content'}  
 </nobr>      sub log_differences {
 </form>          my ($plain)=@_;
 <form action="/adm/coursedocs" method="post" name="newsmppg">          my %storehash=('folder' => $plain,
 <input type="hidden" name="folder" value="$folder">                         'currentfolder' => $env{'form.folder'});
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">          if ($parmidx) {
 <input type=hidden name="importdetail" value="">             $storehash{'parameter_res'}=$oldresources[$parmidx];
 <nobr>             foreach my $parm (keys(%parmaction)) {
 <input name="newsmppg" type="button" value="$lt{'sipa'}"                $storehash{'parameter_action_'.$parm}=$parmaction{$parm};
 onClick="javascript:makesmppage();" /> $help{'Simple Page'}                $storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
 </nobr>             }
 </form>          }
 <form action="/adm/coursedocs" method="post" name="newsmpproblem">          my $maxidx=$#oldresources;
 <input type="hidden" name="folder" value="$folder">          if ($#LONCAPA::map::resources>$#oldresources) {
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">             $maxidx=$#LONCAPA::map::resources;
 <input type=hidden name="importdetail" value="">          }
 <nobr>          for (my $idx=0; $idx<=$maxidx; $idx++) {
 <input name="newsmpproblem" type="button" value="$lt{'sipr'}"             if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
 onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}                $storehash{'before_resources_'.$idx}=$oldresources[$idx];
 </nobr>                $storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
 </form>                $changedflag=1;
 <form action="/adm/coursedocs" method="post" name="newexamupload">             }
 <input type="hidden" name="folder" value="$folder">             if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">                $storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
 <input type=hidden name="importdetail" value="">                $storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
 <nobr>                $changedflag=1;
 <input name="newexamupload" type="button" value="$lt{'scuf'}"             }
 onClick="javascript:makeexamupload();" />          }
 $help{'Score_Upload_Form'}   $storehash{'maxidx'}=$maxidx;
 </nobr>          if ($changedflag) { &log_docs(\%storehash); }
 </form>      }
 <form action="/adm/coursedocs" method="post" name="newbul">  }
 <input type="hidden" name="folder" value="$folder">  
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">  
 <input type=hidden name="importdetail" value="">  
 <nobr>  
 <input name="newbulletin" type="button" value="$lt{'bull'}"  
 onClick="javascript:makebulboard();" />  sub docs_change_log {
 $help{'Bulletin Board'}      my ($r)=@_;
 </nobr>      my $folder=$env{'form.folder'};
 </form>      $r->print(&Apache::loncommon::start_page('Course Document Change Log'));
 <form action="/adm/coursedocs" method="post" name="newaboutme">      $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
 <input type="hidden" name="folder" value="$folder">      my %docslog=&Apache::lonnet::dump('nohist_docslog',
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">                                        $env{'course.'.$env{'request.course.id'}.'.domain'},
 <input type=hidden name="importdetail"                                         $env{'course.'.$env{'request.course.id'}.'.num'});
 value="$plainname=/adm/$udom/$uname/aboutme">  
 <nobr>      if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
 <input name="newaboutme" type="submit" value="$lt{'mypi'}" />  
 $help{'My Personal Info'}      $r->print('<form action="/adm/coursedocs" method="post" name="docslog">'.
 </nobr>                '<input type="hidden" name="docslog" value="1" />');
 </form>  
 </td></tr>      my %saveable_parameters = ('show' => 'scalar',);
 </table>      &Apache::loncommon::store_course_settings('docs_log',
 ENDFORM                                                \%saveable_parameters);
        $r->print('</td></tr>');      &Apache::loncommon::restore_course_settings('docs_log',
     }                                                  \%saveable_parameters);
 # ----------------------------------------------------- Supplemental documents      if (!$env{'form.show'}) { $env{'form.show'}=10; }
     if (!$forcestandard) {      my %lt=('hiddenresource' => 'Resources hidden',
        $r->print(      'encrypturl'     => 'URL hidden',
   '<tr><td bgcolor="#BBBBBB"><h2>'.&mt('Supplemental Course Documents').      'randompick'     => 'Randomly pick',
   ($allowed?' '.$help{'Supplemental'}:'').'</h2>');      'randomorder'    => 'Randomly ordered',
        my $folder=$ENV{'form.folder'};      'set'            => 'set to',
        unless ($folder=~/supplemental/) { $folder='supplemental'; }      'del'            => 'deleted');
        &editor($r,$coursenum,$coursedom,$folder,$allowed);      $r->print(&Apache::loncommon::display_filter().
        if ($allowed) {                '<input type="hidden" name="folder" value="'.$folder.'" />'.
        my $folderseq=                '<input type="submit" value="'.&mt('Display').'" /></form>');
                   '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.      $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
                      '.sequence';                '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Folder').'</th><th>'.&mt('Before').'</th><th>'.
                 &mt('After').'</th>'.
           $r->print(<<ENDSUPFORM);                &Apache::loncommon::end_data_table_header_row());
 <table cellspacing=4 cellpadding=4><tr>      my $shown=0;
 <th bgcolor="#DDDDDD">$lt{'upls'}</th>      foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
 <th bgcolor="#DDDDDD">$lt{'impp'}</th>   if ($env{'form.displayfilter'} eq 'currentfolder') {
 <th bgcolor="#DDDDDD">$lt{'spec'}</th>      if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
 </tr>   }
 <tr><td bgcolor="#DDDDDD">          my @changes=keys(%{$docslog{$id}{'logentry'}});
 <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">          if ($env{'form.displayfilter'} eq 'containing') {
 <input type="file" name="uploaddoc" size="40">      my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
 <br />Comment:<br />   &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
 <textarea cols=50 rows=4 name='comment'>      foreach my $key (@changes) {
 </textarea>   $wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
 <input type="hidden" name="folder" value="$folder">      }
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">      if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }        
 <input type="hidden" name="cmd" value="upload_supplemental">   }
 <nobr>          my $count = 0;
 <input type="submit" value="$lt{'upld'}">          my $time =
  $help{'Uploading_From_Harddrive'}              &Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
 </nobr>          my $plainname =
 </form>              &Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
 </td>                                            $docslog{$id}{'exe_udom'});
 <td bgcolor="#DDDDDD">          my $about_me_link =
 <form action="/adm/coursedocs" method="post" name="simpleeditsupplement">              &Apache::loncommon::aboutmewrapper($plainname,
 <input type="hidden" name="folder" value="$folder">                                                 $docslog{$id}{'exe_uname'},
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">                                                 $docslog{$id}{'exe_udom'});
 <input type=hidden name="importdetail" value="">          my $send_msg_link='';
 <input type=button onClick=          if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
 "javascript:document.forms.simpleedit.folder.value='$folder';groupsearch()" value="$lt{'srch'}">               || ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 <input type=button onClick=              $send_msg_link ='<br />'.
 "javascript:document.forms.simpleedit.folder.value='$folder';groupimport();" value="$lt{'impo'}">$help{'Importing_LON-CAPA_Resource'}                  &Apache::loncommon::messagewrapper(&mt('Send message'),
 <p>                                                     $docslog{$id}{'exe_uname'},
 <hr />                                                     $docslog{$id}{'exe_udom'});
 <input type="text" size="20" name="importmap">          }
 <input type=button           $r->print(&Apache::loncommon::start_data_table_row());
 onClick="javascript:openbrowser('simpleeditsupplement','importmap','sequence,page','')"          $r->print('<td>'.$time.'</td>
 value="$lt{'selm'}"><input type="submit" name="loadmap" value="$lt{'load'}">$help{'Load_Map'}                         <td>'.$about_me_link.
 </p>                    '<br /><tt>'.$docslog{$id}{'exe_uname'}.
 </form>                                    ':'.$docslog{$id}{'exe_udom'}.'</tt>'.
 </td><td bgcolor="#DDDDDD">                    $send_msg_link.'</td><td>'.
 <form action="/adm/coursedocs" method="post" name="supnewfolder">                    $docslog{$id}{'logentry'}{'folder'}.'</td><td>');
 <input type="hidden" name="folder" value="$folder">  # Before
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">   for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 <input type=hidden name="importdetail" value="">      my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 <nobr>      my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 <input name="newfolder" type="button"      if ($oldname ne $newname) {
 onClick="javascript:makenewfolder(this.form,'$folderseq');"   $r->print(&LONCAPA::map::qtescape($oldname));
 value="$lt{'newf'}" /> $help{'Adding_Folders'}      }
 </nobr>   }
 </form>   $r->print('<ul>');
 <form action="/adm/coursedocs" method="post" name="supnewext">   for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 <input type="hidden" name="folder" value="$folder">              if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">   $r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'before_order_res_'.$idx}))[0]).'</li>');
 <input type=hidden name="importdetail" value="">      }
 <nobr>   }
 <input name="newext" type="button"    $r->print('</ul>');
 onClick="javascript:makenewext('supnewext');"  # After
 value="$lt{'extr'}" /> $help{'Adding_External_Resource'}          $r->print('</td><td>');
 </nobr>  
 </form>   for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 <form action="/adm/coursedocs" method="post" name="supnewsyl">      my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
 <input type="hidden" name="folder" value="$folder">      my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">      if ($oldname ne '' && $oldname ne $newname) {
 <input type=hidden name="importdetail"    $r->print(&LONCAPA::map::qtescape($newname));
 value="Syllabus=/public/$coursedom/$coursenum/syllabus">      }
 <nobr>   }        
 <input name="newsyl" type="submit" value="$lt{'syll'}" />   $r->print('<ul>');
 $help{'Syllabus'}   for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
 </nobr>              if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
 </form>   $r->print('<li>'.&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'after_order_res_'.$idx}))[0]).'</li>');
 <form action="/adm/coursedocs" method="post" name="subnewaboutme">      }
 <input type="hidden" name="folder" value="$folder">   }
 <input type="hidden" name="foldername" value="$ENV{'form.foldername'}">   $r->print('</ul>');
 <input type=hidden name="importdetail"    if ($docslog{$id}{'logentry'}{'parameter_res'}) {
 value="$plainname=/adm/$udom/$uname/aboutme">      $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
 <nobr>      foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
 <input name="newaboutme" type="submit" value="$lt{'mypi'}" />   if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 $help{'My Personal Info'}      $r->print('<li>'.
 </nobr>        &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
 </form>    $docslog{$id}{'logentry'}{'parameter_value_'.$parameter})
 </td></tr>        .'</li>');
 </table></td></tr>   }
 ENDSUPFORM      }
        }      $r->print('</ul>');
     }   }
     if ($allowed) {  # End
  $r->print('<form name="extimport"><input type="hidden" name="title"><input type="hidden" name="url"><input type="hidden" name="useform"></form>');          $r->print('</td>'.&Apache::loncommon::end_data_table_row());
     }          $shown++;
     $r->print('</table>');          if (!($env{'form.show'} eq &mt('all')
   } else {                || $shown<=$env{'form.show'})) { last; }
 # -------------------------------------------------------- This is showdoc mode      }
       $r->print("<h1>".&mt('Uploaded Document').'</h1><p>'.      $r->print(&Apache::loncommon::end_data_table());
 &mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><p><table>".  }
          &entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table></p>');  
   }  sub update_paste_buffer {
  }      my ($coursenum,$coursedom) = @_;
  $r->print(&Apache::lonlocal::endreroutetrans().'</body></html>');  
  return OK;      return if (!defined($env{'form.markcopy'}));
 }       return if (!defined($env{'form.copyfolder'}));
       return if ($env{'form.markcopy'} < 0);
 1;  
 __END__      my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
       $env{'form.copyfolder'});
      
       return if ($fatal);
   
   # Mark for copying
       my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
       if (&is_supplemental_title($title)) {
           &Apache::lonnet::appenv({'docs.markedcopy_supplemental' => $title});
    ($title) = &parse_supplemental_title($title);
       } elsif ($env{'docs.markedcopy_supplemental'}) {
           &Apache::lonnet::delenv('docs\\.markedcopy_supplemental');
       }
       $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
   
       &Apache::lonnet::appenv({'docs.markedcopy_title' => $title,
       'docs.markedcopy_url'   => $url});
       delete($env{'form.markcopy'});
   }
   
   sub print_paste_buffer {
       my ($r,$container) = @_;
       return if (!defined($env{'docs.markedcopy_url'}));
   
       $r->print(<<ENDPASTE);
   <form name="pasteform" action="/adm/coursedocs" method="post"><p>
   ENDPASTE
       $r->print('<input type="submit" name="pastemarked" value="'.&mt('Paste').'" /> ');
   
       my $type;
       if ($env{'docs.markedcopy_url'} =~ m{^(?:/adm/wrapper/ext|(?:http|https)(?:&colon;|:))//} ) {
    $type = &mt('External Resource');
    $r->print($type.': '.
     &LONCAPA::map::qtescape($env{'docs.markedcopy_title'}).' ('.
     &LONCAPA::map::qtescape($env{'docs.markedcopy_url'}).')');
       }  else {
    my $extension = (split(/\./,$env{'docs.markedcopy_url'}))[-1];
    my $icon = &Apache::loncommon::icon($extension);
    if ($extension eq 'sequence' &&
       $env{'docs.markedcopy_url'} =~ m{/default_\d+\.sequence$ }x) {
       $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
       $icon .= '/folder_closed.gif';
    }
    $icon = '<img src="'.$icon.'" alt="" class="LC_icon" />';
    $r->print($icon.$type.': '.  &parse_supplemental_title(&LONCAPA::map::qtescape($env{'docs.markedcopy_title'})));
       }
       if ($container eq 'page') {
    $r->print('
    <input type="hidden" name="pagepath" value="'.&HTML::Entities::encode($env{'form.pagepath'},'<>&"').'" />
    <input type="hidden" name="pagesymb" value="'.&HTML::Entities::encode($env{'form.pagesymb'},'<>&"').'" />
   ');
       } else {
    $r->print('
           <input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />
   ');
       }
       $r->print('</p></form>');
   }
   
   sub do_paste_from_buffer {
       my ($coursenum,$coursedom,$folder) = @_;
   
       if (!$env{'form.pastemarked'}) {
           return;
       }
   
   # paste resource to end of list
       my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url'});
       my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title'});
   # Maps need to be copied first
       if (($url=~/\.(page|sequence)$/) && ($url=~/^\/uploaded\//)) {
    $title=&mt('Copy of').' '.$title;
    my $newid=$$.int(rand(100)).time;
    my ($oldid,$ext) = ($url=~/^(.+)\.(\w+)$/);
           if ($oldid =~ m{^(/uploaded/\Q$coursedom\E/\Q$coursenum\E/)(\D+)(\d+)$}) {
               my $path = $1;
               my $prefix = $2;
               my $ancestor = $3;
               if (length($ancestor) > 10) {
                   $ancestor = substr($ancestor,-10,10);
               }
               $oldid = $path.$prefix.$ancestor;
           }
           my $counter = 0;
           my $newurl=$oldid.$newid.'.'.$ext;
           my $is_unique = &uniqueness_check($newurl);
           while (!$is_unique && $counter < 100) {
               $counter ++;
               $newid ++;
               $newurl = $oldid.$newid;
               $is_unique = &uniqueness_check($newurl);
           }
           if (!$is_unique) {
               if ($url=~/\.page$/) {
                   return &mt('Paste failed: an error occurred creating a unique URL for the composite page');
               } else {
                   return &mt('Paste failed: an error occurred creating a unique URL for the folder');
               }
           }
    my $storefn=$newurl;
    $storefn=~s{^/\w+/$match_domain/$match_username/}{};
    my $paste_map_result =
               &Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
          &Apache::lonnet::getfile($url));
           if ($paste_map_result eq '/adm/notfound.html') {
               if ($url=~/\.page$/) {
                   return &mt('Paste failed: an error occurred saving the composite page');
               } else {
                   return &mt('Paste failed: an error occurred saving the folder');
               }
           }
    $url = $newurl;
       }
   # published maps can only exists once, so remove it from paste buffer when done
       if (($url=~/\.(page|sequence)$/) && ($url=~m {^/res/})) {
    &Apache::lonnet::delenv('docs\\.markedcopy');
       }
       if ($url=~ m{/smppg$}) {
    my $db_name = &Apache::lonsimplepage::get_db_name($url);
    if ($db_name =~ /^smppage_/) {
       #simple pages, need to copy the db contents to a new one.
       my %contents=&Apache::lonnet::dump($db_name,$coursedom,$coursenum);
       my $now = time();
       $db_name =~ s{_\d*$ }{_$now}x;
       my $result=&Apache::lonnet::put($db_name,\%contents,
       $coursedom,$coursenum);
       $url =~ s{/(\d*)/smppg$ }{/$now/smppg}x;
       $title=&mt('Copy of').' '.$title;
    }
       }
       $title = &LONCAPA::map::qtunescape($title);
       my $ext='false';
       if ($url=~m{^http(|s)://}) { $ext='true'; }
       $url       = &LONCAPA::map::qtunescape($url);
   # Now insert the URL at the bottom
       my $newidx = &LONCAPA::map::getresidx($url);
       if ($env{'docs.markedcopy_supplemental'}) {
           if ($folder =~ /^supplemental/) {
               $title = $env{'docs.markedcopy_supplemental'};
           } else {
               (undef,undef,$title) =
                   &parse_supplemental_title($env{'docs.markedcopy_supplemental'});
           }
       } else {
           if ($folder=~/^supplemental/) {
              $title=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
                     $env{'user.domain'}.'___&&&___'.$title;
           }
       }
   
       $LONCAPA::map::resources[$newidx]= $title.':'.$url.':'.$ext.':normal:res';
       push(@LONCAPA::map::order, $newidx);
       return 'ok';
   # Store the result
   }
   
   sub uniqueness_check {
       my ($newurl) = @_;
       my $unique = 1;
       foreach my $res (@LONCAPA::map::order) {
           my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
           $url=&LONCAPA::map::qtescape($url);
           if ($newurl eq $url) {
               $unique = 0;
               last;    
           }
       }
       return $unique;
   }
   
   my %parameter_type = ( 'randompick'     => 'int_pos',
          'hiddenresource' => 'string_yesno',
          'encrypturl'     => 'string_yesno',
          'randomorder'    => 'string_yesno',);
   my $valid_parameters_re = join('|',keys(%parameter_type));
   # set parameters
   sub update_parameter {
   
       return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
   
       my $which = $env{'form.changeparms'};
       my $idx = $env{'form.setparms'};
       if ($env{'form.'.$which.'_'.$idx}) {
    my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$idx}
                                        : 'yes';
    &LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
         $parameter_type{$which});
    &remember_parms($idx,$which,'set',$value);
       } else {
    &LONCAPA::map::delparameter($idx,'parameter_'.$which);
   
    &remember_parms($idx,$which,'del');
       }
       return 1;
   }
   
   
   sub handle_edit_cmd {
       my ($coursenum,$coursedom) =@_;
   
       my ($cmd,$idx)=split('_',$env{'form.cmd'});
   
       my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
       my ($title, $url, @rrest) = split(':', $ratstr);
   
       if ($cmd eq 'del') {
    if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
       ($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
       &Apache::lonnet::removeuploadedurl($url);
    } else {
       &LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
    }
    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,'<>&"').'" />';
          }
          $r->print(&generate_admin_options($containertag,$uploadtag,\%lt,\%help,\%env));
          $r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
        &mt('Editing the Table of Contents for your '.$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 generate_admin_options {
     my ($containertag,$uploadtag,$lt_ref,$help_ref,$env_ref) = @_;
     my %lt = %{$lt_ref};
     my %help = %{$help_ref};
     my %env = %{$env_ref};
     my $dumpbut=&dumpbutton();
     my $exportbut=&exportbutton();
     return (<<ENDOPTIONFORM);
    <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="" />
      $uploadtag
    </form>
    <form action="/adm/coursedocs" method="post" name="courseverify">
      <ul style="list-style-type:none">
          <li>
              <input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
          </li>
          <li>
              <input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
          </li>
          <li>
              $dumpbut
          </li>
          <li>
              $exportbut
          </li>
          <li>
             <input type="submit" name="listsymbs" value="$lt{'ls'}" />
           </li>
           <li>
             <input type="hidden" name="folder" value="$env{'form.folder'}" />
             <input type="submit" name="docslog" value="$lt{'sl'}" />
           </li>
      </ul>
    </form>
    <div style="clear: both; height: 0px;">&nbsp;</div>
   ENDOPTIONFORM
   }
   
   sub generate_edit_table {
       my ($optionhash_ref,$namehash_ref,$orderhash_ref) = @_;
       my %optionhash = %{$optionhash_ref};         #id verlinkt mit inhalt
       my %namehash = %{$namehash_ref};             #name verlinkt mit id
       my %orderhash = %{$orderhash_ref};           #name mit kürzel verlinkt mit name
       my $form;
       $form = '<div class="LC_ContentBoxSpecial"><h4 class="LC_hcell">'.&mt('Upload Course Documents').'<h4>';
       $form .= '<ul class="LC_TabContent">';
       foreach my $name (sort(keys(%orderhash))){
           if($name eq 'zz_hide'){
               $form .= '<li><a onclick="hideAllSection();" href="#">'.&mt($orderhash{$name}).'</a></li>';
           }else{
               $form .= '<li><a onclick="popUpSection(\''.$namehash{$orderhash{$name}}.'\');" href="#">'.&mt($orderhash{$name}).'</a></li>';
           }
       }
       foreach my $field (keys(%optionhash)){
           $form .= '<div id="'.$field.'" class="LC_ContentBox LC_hideThis">'.$optionhash{$field}.'</div>';
       }
       $form .= '</div>';
       return $form;
   }
   
   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.1.89  
changed lines
  Added in v.1.327


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