Diff for /loncom/interface/portfolio.pm between versions 1.6 and 1.173

version 1.6, 2004/06/25 18:47:18 version 1.173, 2006/11/21 21:38:44
Line 1 Line 1
   # The LearningOnline Network
   # portfolio browser
   #
   # $Id$
   #
 # 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).
Line 18 Line 23
 #  #
 # /home/httpd/html/adm/gpl.txt  # /home/httpd/html/adm/gpl.txt
 #  #
   
   
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
   
   
 package Apache::portfolio;  package Apache::portfolio;
 use strict;  use strict;
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
Line 32  use Apache::lonnet; Line 34  use Apache::lonnet;
 use Apache::lontexconvert;  use Apache::lontexconvert;
 use Apache::lonfeedback;  use Apache::lonfeedback;
 use Apache::lonlocal;  use Apache::lonlocal;
 sub makeAnchor{  use Apache::lonnet;
  # receives a file name assumed to reside in username/userfiles/portfolio/  use Apache::longroup;
  # returns a form consisting of a single submit button labeled with the file name  use Apache::lonhtmlcommon;
  my ($fileName, $currentPath) = @_;  use HTML::Entities;
  my $anchor = '<a href="/adm/portfolio?selectfile='.$fileName.'&currentpath='.$currentPath.'">'.$fileName.'</a>';  use LONCAPA;
 # my $button = '  
 # <form method="POST" action="/adm/portfolio">  sub group_args {
 # <input type="hidden" name="selectfile" value="'.$fileName.'">      my $output;
 # <input type="submit" value="'.$fileName.'" name="storeupl">      if (defined($env{'form.group'})) {
 # </form>          $output .= '&amp;group='.$env{'form.group'};
 # ';   if (defined($env{'form.ref'})) {
  return $anchor;      $output .= '&amp;ref='.$env{'form.ref'};
 }   }
 sub displayDirectory {      }
  # returns html with <br /> separated contents of the directory      return $output;
  # returns a <strong>currentFile</strong> (bolds the selected file/dir)  }
   
  my ($currentPath, $currentFile, $isDir, @dirList,) = @_;  sub group_form_data {
  my $displayOut='';      my $output;
  my $fileName;      if (defined($env{'form.group'})) {
  my $upPath;   $output = '<input type="hidden" name="group" value="'.$env{'form.group'}.'" />';
  if ($currentPath ne '/'){   if (exists($env{'form.ref'})) {
  $displayOut = 'Listing of '.$currentPath.'<br /><hr />'.      $output .= '<input type="hidden" name="ref" value="'.
  # provides the "up one directory level" function   $env{'form.ref'}.'" />';
  # it means shortening the currentpath to the parent directory   }
  $currentPath =~ m:(^/.*)(/.*/$):;      }
  if ($1 ne '/'){      return $output;
  $upPath = $1.'/';  } 
  }else{  
  $upPath = $1;  # receives a file name and path stub from username/userfiles/portfolio/
  }  # returns an anchor tag consisting encoding filename and currentpath
   sub make_anchor {
       my ($url, $anchor_fields, $inner_text) = @_;
       if ($$anchor_fields{'continue'} ne 'true') {$$anchor_fields{'continue'} = 'false'};
       my $anchor = '<a href="'.$url.'?';
       foreach my $field_name (keys(%$anchor_fields)) {
           $anchor .= $field_name.'='.$$anchor_fields{$field_name}.'&amp;';
       }
       $anchor =~ s/&amp;$//;
       $anchor .= &group_args();
       $anchor .= '">'.$inner_text.'</a>';
       return $anchor;
   }
   
   my $dirptr=16384;
   sub display_common {
       my ($r,$url,$current_path,$is_empty,$dir_list,$can_upload)=@_;
       my $namespace = &get_namespace();
       my $port_path = &get_port_path();
       if ($can_upload) {
           my $groupitem = &group_form_data();
   
           my $iconpath= $r->dir_config('lonIconsURL') . "/";
           my %text=&Apache::lonlocal::texthash(
    'upload' => 'Upload',
    'upload_label' =>  
    'Upload file to current directory:',
    'createdir' => 'Create Subdirectory',
    'createdir_label' => 
    'Create subdirectory in current directory:');
           my $escuri = &HTML::Entities::encode($r->uri,'&<>"');
    my $help_fileupload = &Apache::loncommon::help_open_topic('Portfolio AddFiles');
    my $help_createdir = &Apache::loncommon::help_open_topic('Portfolio CreateDirectory');
   
  $displayOut = $displayOut.'<a href="/adm/portfolio?selectfile=updir&currentpath='.$upPath.'">..</a><br />';   # FIXME: This line should be deleted once Portfolio uses breadcrumbs
  } else {   $r->print(&Apache::loncommon::help_open_topic('Portfolio About', 'Help on the portfolio'));
  $displayOut = $displayOut.'at root '.$currentPath.'<br />';  
   
           $r->print(<<"TABLE"); 
   <table id="LC_portfolio_actions">
     <tr id="LC_portfolio_upload">
       <td class="LC_label">
         $text{'upload_label'}
       </td>
       <td class="LC_value">
         <form method="post" enctype="multipart/form-data" action="$escuri">
           $groupitem 
           <input name="uploaddoc" type="file" />
    <input type="hidden" name="currentpath" value="$current_path" />
    <input type="hidden" name="action" value="$env{"form.action"}" />
    <input type="hidden" name="fieldname" value="$env{"form.fieldname"}" />
    <input type="hidden" name="mode" value="$env{"form.mode"}" />
    <input type="submit" name="storeupl" value="$text{'upload'}" />$help_fileupload
         </form>
       </td>
     </tr>
     <tr id="LC_portfolio_createdir">
       <td class="LC_label">
         $text{'createdir_label'}
       </td>
       <td class="LC_value">
         <form method="post" action="$escuri">
           <input name="newdir" type="input" />$groupitem
           <input type="hidden" name="currentpath" value="$current_path" />
           <input type="hidden" name="action" value="$env{"form.action"}" />
           <input type="hidden" name="fieldname" value="$env{"form.fieldname"}" />
           <input type="hidden" name="mode" value="$env{"form.mode"}" />
           <input type="submit" name="createdir" value="$text{'createdir'}" />$help_createdir
         </form>
       </td>
     </tr>
   </table>
   TABLE
       }
       my @tree = split (/\//,$current_path);
       my %anchor_fields = (
           'selectfile'    => $port_path,
           'currentpath'   => '/',
           'mode'          => $env{"form.mode"},
           'fieldname'     => $env{"form.fieldname"},
           'continue'      => $env{"form.continue"}
       );
       $r->print('<span class="LC_current_location">'.&make_anchor($url,\%anchor_fields,$port_path).'/');
       if (@tree > 1){
           my $newCurrentPath = '';
           for (my $i = 1; $i< @tree; $i++){
               $newCurrentPath .= $tree[$i].'/';
               my %anchor_fields = (
                   'selectfile' => $tree[$i],
                   'currentpath' => '/',
                   'mode' => $env{"form.mode"},
                   'fieldname' => $env{"form.fieldname"},
                   'continue' => $env{"form.continue"}
               );
               $r->print(&make_anchor($url,\%anchor_fields,$tree[$i]).'/');
           }
       }
       $r->print('</span>');
       $r->print(&Apache::loncommon::help_open_topic('Portfolio ChangeDirectory'));
       &Apache::lonhtmlcommon::store_recent($namespace,$current_path,$current_path);
       $r->print('<br /><form method="post" action="'.$url.'?mode='.$env{"form.mode"}.'&amp;fieldname='.$env{"form.fieldname"}.&group_args());
       $r->print('">'.
         &Apache::lonhtmlcommon::select_recent($namespace,'currentpath',
       'this.form.submit();'));
       $r->print("</form>");
   }
   
   sub display_directory_line {
       my ($r,$select_mode, $filename, $mtime, $size, $css_class,
    $line, $access_controls, $curr_access, $now, $version_flag,
    $href_location, $url, $current_path, $access_admin_text, $versions)=@_;
   
       my $fullpath =  &prepend_group($current_path.$filename);
       $r->print('<tr class="'.$css_class.'">');
       $r->print($line); # contains first two cells of table
       my $lock_info;
       if ($version_flag) { # versioned can't be versioned, so TRUE when root file
           $r->print('<td><img alt="" src="'.&Apache::loncommon::icon($filename).'" /></td>');
           $r->print('<td>'.$version_flag.'</td>');
       } else { # this is a graded or handed back file
           my ($user,$domain) = &get_name_dom();
           my $permissions_hash = &Apache::lonnet::get_portfile_permissions($domain,$user);
           if (defined($$permissions_hash{$fullpath})) {
               foreach my $array_item (@{$$permissions_hash{$fullpath}}) {
                   if (ref($array_item) eq 'ARRAY') {
                       if ($$array_item[-1] eq 'handback') {
                           $lock_info = 'Handback';
                       } elsif ($$array_item[-1] eq 'graded') {
                           $lock_info = 'Graded';
                       }
                    }
               }
           }
    if ($lock_info) {
       my %anchor_fields = ('lockinfo' => $fullpath);
       if ($versions) { # hold the folder open
           my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($fullpath);
           $fname =~ s|^/||;
           $anchor_fields{'showversions'} = $fname.'.'.$extension;
       }
       $lock_info = &make_anchor(undef,\%anchor_fields,$lock_info);
  }   }
  while ($fileName = shift @dirList){   $r->print('<td colspan="2">'.$lock_info.'</td>');
  if (($fileName ne './') && ($fileName ne '../')){      }
  if ($fileName =~ m:/$:){      # $r->print('<td>'.$$version_flag{$filename}.'</td><td>');
  # handle directories different from files      $r->print('<td>'.&make_anchor($href_location.$filename,undef,$filename).'</td>'); 
  if ($fileName eq $currentFile){ #checks to bold the selected file      $r->print('<td>'.$size.'</td>');
  $displayOut = $displayOut.'<strong>'.(makeAnchor($fileName, $currentPath.$fileName).'</strong><br />');      $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
  }else{      if ($select_mode ne 'true') {
  $displayOut = $displayOut.(makeAnchor($fileName, $currentPath.$fileName).'<br />');   $r->print('<td><span style="white-space: nowrap">'.
  }    &mt($curr_access).'&nbsp;&nbsp;&nbsp;');
  }else{          my %anchor_fields = (
  if ($fileName eq $currentFile){ #checks to bold the selected file              'access' => $filename,
  $displayOut = $displayOut.'<strong>'.(makeAnchor($fileName, $currentPath).'</strong><br />');              'currentpath' => $current_path
  }else{          );
  $displayOut = $displayOut.(makeAnchor($fileName, $currentPath).'<br />');   $r->print(&make_anchor($url, \%anchor_fields, $access_admin_text).'</span></td>');
  }      }
       $r->print('</tr>'.$/);
   }
   
   sub display_directory {
       my ($r,$url,$current_path,$is_empty,$dir_list,$group,$can_upload,
           $can_modify,$can_delete,$can_setacl)=@_;
       my $iconpath= $r->dir_config('lonIconsURL') . "/";
       my $display_out;
       my $select_mode;
       my $checked_files;
       my $port_path = &get_port_path();
       my ($uname,$udom) = &get_name_dom();
       my $access_admin_text = &mt('View Status');
       if ($can_setacl) {
           $access_admin_text = &mt('View/Change Status');
       }
   
       my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                           $uname);
       my %locked_files = &Apache::lonnet::get_marked_as_readonly_hash(
                                                     $current_permissions,$group);
       my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group);
       my $now = time;
       if ($env{"form.mode"} eq 'selectfile') {
    &select_files($r);
    $checked_files =&Apache::lonnet::files_in_path($uname,$env{'form.currentpath'});
    $select_mode = 'true';
       } 
       if ($is_empty && ($current_path ne '/') && $can_delete) {
           $display_out = '<form method="post" action="'.$url.'">'.
       &group_form_data().
           '<input type="hidden" name="action" value="deletedir" />'.
           '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
           '<input type="hidden" name="selectfile" value="" />'.
           '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
           '</form>';
           
           $r->print($display_out);
    return;
       }
       if ($select_mode eq 'true') {
           $r->print('<form method="post" name="checkselect" action="'.$url.'">');
           $r->print('<table id="LC_browser">'.
               '<tr><th>Select</th><th>&nbsp;</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
       } else {
           $r->print('<form method="post" action="'.$url.'">');
    $r->print(&Apache::loncommon::help_open_topic('Portfolio FileList',
         'Using the portfolio file list'));
           $r->print('<table id="LC_browser">'.
     '<tr><th colspan="2">Actions'.
     &Apache::loncommon::help_open_topic('Portfolio FileAction').
     '</th><th>&nbsp;</th><th>&nbsp;</th><th>Name'.
     &Apache::loncommon::help_open_topic('Portfolio OpenFile').
     '</th><th>Size</th><th>Last Modified</th><th>Current Access Status'.
     &Apache::loncommon::help_open_topic('Portfolio ShareFile').
     '</th></tr>');
       }
       $r->print("\n".&group_form_data()."\n");
   
       my $href_location="/uploaded/$udom/$uname/$port_path".$current_path;
       my $href_edit_location="/editupload/$udom/$uname/$port_path".$current_path;
       my @dir_lines;
       my %versioned;
       foreach my $dir_line (sort 
         { 
     my ($afile)=split('&',$a,2);
     my ($bfile)=split('&',$b,2);
     return (lc($afile) cmp lc($bfile));
         } (@$dir_list)) {
       #$strip holds directory/file name
       #$dom 
       my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$dir_line,16); 
       $filename =~ s/\s+$//;
       my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
       if ($version) {
       my $fullpath = &prepend_group($current_path.$fname.'.'.$extension);
          push(@{ $versioned{$fullpath} },
    [$filename,$dom,$testdir,$size,$mtime,$obs,]);
       } else {
          push(@dir_lines, [$filename,$dom,$testdir,$size,$mtime,$obs]);
       }
       }
       foreach my $dir_line (@dir_lines) {
           my ($filename,$dom,$testdir,$size,$mtime,$obs) = @$dir_line;
           my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
       if (($filename ne '.') && ($filename ne '..') && ($filename !~ /\.meta$/ ) && ($filename !~ /(.*)\.(\d+)\.([^\.]*)$/)) {
          my $version_flag;
          my $show_versions;
       my $fullpath =  &prepend_group($current_path.$filename);
          if ($env{'form.showversions'} =~ /$filename/) {
              $show_versions = 'true';
          }
          if (exists($versioned{$fullpath})) {
              my %anchor_fields = (
                  'selectfile' => $fullpath,
                  'continue' => 'false',
                  'currentpath' => $current_path,
              );
              if ($show_versions) {
                  # Must preserve other possible showversion files
                  my $version_remainder = $env{'form.showversions'};
                  $version_remainder =~ s/$filename//g;                
                  $anchor_fields{'showversions'} = $version_remainder;
                       $version_flag = &make_anchor('portfolio',\%anchor_fields,
                           '<img class="LC_icon" alt="'.&mt('opened folder').'" src="'.$iconpath.'folder_pointer_opened.gif" />');
              } else {
                  # allow multiple files to show versioned
                  $anchor_fields{'showversions'} = $env{'form.showversions'}.','.$filename;
                       $version_flag = &make_anchor('portfolio',\%anchor_fields,
                           '<img class="LC_icon" alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_pointer_closed.gif" />');
                   }
          } else {
              $version_flag = '&nbsp;';
          }
               if ($dirptr&$testdir) {
    my $colspan='colspan="2"';
                   if ($select_mode eq 'true'){
       undef($colspan);
                   }
    $r->print('<tr class="LC_browser_folder"><td '.$colspan.'><img alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_closed.gif" /></td>');
                   $r->print('<td>Go to ...</td>');
                   my %anchor_fields = (
                       'selectfile'    => $filename.'/',
                       'currentpath'   => $current_path.$filename.'/',
                       'mode'          => $env{"form.mode"},
                       'fieldname'     => $env{"form.fieldname"},
                       'continue'      => $env{"form.continue"}
                   );  
                   $r->print('<td>'.$version_flag.'</td><td>'.&make_anchor($url,\%anchor_fields,$filename.'/').'</td>'); 
                   $r->print('</tr>'); 
               } else {
    my $css_class = 'LC_browser_file';
    my $line;
                   if ($select_mode eq 'true') {
                       $line='<td><input type="checkbox" name="checkfile" value="'.$filename.'"';
       if ($$checked_files{$filename} eq 'selected') {
                           $line.=" checked ";
                       }
       $line.=' /></td>';
                   } else {
                       if (exists $locked_files{$fullpath}) {
                           my %anchor_fields = (
                               'lockinfo' => $fullpath
                           );
                           $line.='<td colspan="2">'.&make_anchor($url,\%anchor_fields,'Locked').'</td>';
    $css_class= 'LC_browser_file_locked';
                       } else {
                           if (!$can_modify) {
                               $line .= '<td colspan="2">';
                           } else {
                               $line .= '<td>';
                           }
                           if ($can_delete) {
                               $line .= '<input type="checkbox" name="selectfile" value="'.$filename.'" />';
                           }
                           if ($can_modify) {
                               my $cat='<img class="LC_icon" alt="'.&mt('Catalog Information').
                               '" src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').'" />';
                               my %anchor_fields = (
                                   'rename' => $filename,
                                   currentpath => $current_path
                               );
                               $line .= &make_anchor($url,\%anchor_fields,'Rename');
                               $line .= '</td><td>'.&make_anchor($href_edit_location.$filename.'.meta',\%anchor_fields,$cat);
                               # '<a href="'.$href_edit_location.$filename.'.meta">'.$cat.'</a>';
                           }
                           $line .= '</td>';
                       }
                   }
    my $curr_access;
    if ($select_mode ne 'true') {
       my $pub_access = 0;
       my $guest_access = 0;
       my $cond_access = 0;
       foreach my $key (sort(keys(%{$access_controls{$fullpath}}))) {
    my ($num,$scope,$end,$start) = &unpack_acc_key($key);
    if (($now > $start) && (!$end || $end > $now)) {
       if ($scope eq 'public')  {
    $pub_access = 1;
       } elsif ($scope eq 'guest') {
    $guest_access = 1;
       } else {
    $cond_access = 1;
       }
    }
       }
       if (!$pub_access && !$guest_access && !$cond_access) {
    $curr_access = &mt('Private');
       } else {
    my @allaccesses; 
    if ($pub_access) {
       push(@allaccesses,&mt('Public'));
    }
    if ($guest_access) {
       push(@allaccesses,&mt('Passphrase-protected'));
  }   }
    if ($cond_access) {
       push(@allaccesses,&mt('Conditional'));
    }
    $curr_access = join('+ ',@allaccesses);
       }
    }
                   &display_directory_line($r,$select_mode, $filename, $mtime, $size, $css_class, $line, 
                                           \%access_controls, $curr_access,$now, $version_flag, $href_location, 
                                           $url, $current_path, $access_admin_text);
    if ($show_versions) {
       foreach my $dir_line (@{ $versioned{$fullpath} }) {
           my ($v_filename,$dom,$testdir,$size,$mtime,$obs) =
       @$dir_line;
                           $line = '<td colspan="2">&nbsp;</td>';
    &display_directory_line($r,$select_mode, $v_filename, $mtime, $size, 
    $css_class, $line, \%access_controls, $curr_access, $now,
    undef, $href_location, $url, $current_path, $access_admin_text, 1);
       }
  }   }
               }
           }
       }
       if ($select_mode eq 'true') {
           $r->print('</table>
               <input type="hidden" name="continue" value="true" />
               <input type="hidden" name="fieldname" value="'.$env{'form.fieldname'}.'" />
               <input type="hidden" name="mode" value="selectfile" />
               <input type="submit" name="submit" value="Select checked files, and continue selecting." /><br />
               <input type="button" name="doit" onClick= "finishSelect();" value="Select checked files, and close window" />
               <input type="hidden" name="currentpath" value="'.$current_path.'" />
           </form>');        
       } else {
           $r->print('</table>');
           if ($can_delete) {
               $r->print('
           <input type="submit" name="doit" value="Delete Checked Files" />'.
    &Apache::loncommon::help_open_topic('Portfolio DeleteFile').'
           <input type="hidden" name="action" value="delete" />
           <input type="hidden" name="currentpath" value="'.$current_path.'" />
           </form>'
               );
           }
       }
   }
   
   sub open_form {
       my ($r,$url)=@_;
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
       $r->print('<form name="portform" method="post" action="'.$url.'">');
       $r->print('<input type="hidden" name="action" value="'.
         $env{'form.action'}.'" />');
       $r->print('<input type="hidden" name="confirmed" value="1" />');
       foreach (@files) {
           $r->print('<input type="hidden" name="selectfile" value="'.
         $_.'" />');
       }
       $r->print('<input type="hidden" name="currentpath" value="'.
         $env{'form.currentpath'}.'" />');
   }
   
   sub close_form {
       my ($r,$url,$button_text)=@_;
       if (!defined($button_text)) {
           $button_text = {
                            'continue' => &mt('Continue'),
                            'cancel'   => &mt('Cancel'),
                          };
       }
       $r->print('<p><input type="submit" value="'.$button_text->{'continue'}.'" />');
       $r->print(&group_form_data().'</p></form>');
       $r->print('<form action="'.$url.'" method="post">
                  <p>
                 <input type="hidden" name="currentpath" value="'.
         $env{'form.currentpath'}.'" />'.
         &group_form_data());
       $r->print("\n".'   <input type="submit" value="'.$button_text->{'cancel'}.'" />
                  </p></form>'); 
   }
   
   sub display_file {
       my ($path,$filename)=@_;
       my $display_file_text;
       my $file_start='<span class="LC_filename">';
       my $file_end='</span>';
       if (!defined($path)) { $path=$env{'form.currentpath'}; }
       if (!defined($filename)) { 
           $filename=$env{'form.selectfile'};
           $display_file_text = $file_start.$path.$filename.$file_end;
       } elsif (ref($filename) eq "ARRAY") {
           foreach my $file (@$filename) {
               $display_file_text .= $file_start.$path.$file.$file_end.'<br />';
           }
       } elsif (ref($filename) eq "SCALAR") {
           $display_file_text = $file_start.$path.$$filename.$file_end;
       } else {
    $display_file_text = $file_start.$path.$filename.$file_end;
       }
       return $display_file_text;
   }
   
   sub done {
       my ($message,$url)=@_;
       unless (defined $message) {
           $message='Done';
       }
       my %anchor_fields = (
           'showversions' => $env{'form.showversions'},
           'currentpath' => $env{'form.currentpath'},
           'fieldname' => $env{'form.fieldname'},
           'mode'      => $env{'form.mode'}
       );
       my $result = '<h3>'.&make_anchor($url,\%anchor_fields,&mt($message)).'</h3>';
       return $result;
   }
   
   sub delete {
       my ($r,$url)=@_;
       my @check;
       my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
       $file_name = &prepend_group($file_name);
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
       my ($uname,$udom) = &get_name_dom();
       if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
           $r->print("The file is locked and cannot be deleted.<br />");
           $r->print(&done('Back',$url));
       } else {
           if (scalar(@files)) {
               &open_form($r,$url);
               $r->print('<p>'.&mt('Delete').' '.&display_file(undef,\@files).'?</p>');
               &close_form($r,$url);
           } else {
               $r->print("No file was checked to delete.<br />");
               $r->print(&done(undef,$url));
           }
       }
   } 
   
   sub delete_confirmed {
       my ($r,$url,$group)=@_;
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
       my $result;
       my ($uname,$udom) = &get_name_dom();
       my $port_path = &get_port_path();
       my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                           $uname);
       foreach my $delete_file (@files) {
           $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
          $env{'form.currentpath'}.
          $delete_file);
           if ($result ne 'ok') {
       $r->print('<span class="LC_error">'.
                        &mt('An error occured ([_1]) while trying to delete 
                            [_2].',$result,&display_file(undef, $delete_file)).
                         '</span><br /><br />');
           } else {
               $r->print(&mt('File: [_1] deleted.',
                             &display_file(undef,$delete_file)));
               my $file_name = $env{'form.currentpath'}.$delete_file;
               $file_name = &prepend_group($file_name);
               my %access_controls = 
                       &Apache::lonnet::get_access_controls($current_permissions,
                                                            $group,$file_name);
               if (keys(%access_controls) > 0) {
                   my %changes; 
                   foreach my $key (keys(%{$access_controls{$file_name}})) {
                       $changes{'delete'}{$key} = 1;
                   }
                   if (keys(%changes) > 0) {
                       my ($outcome,$deloutcome,$new_values,$translation) =
                       &Apache::lonnet::modify_access_controls($file_name,\%changes,
                                                               $udom,$uname);
                       if ($outcome ne 'ok') {
                              $r->print('<br />'.&mt("An error occured ([_1]) while ".
                                  "trying to delete access controls for the file.",$outcome).
                                  '</span><br /><br />');
                       } else {
                           if ($deloutcome eq 'ok') {
                               $r->print('<br />'.&mt('Access controls also deleted for the file.').'<br /><br />');
                           } else {
                               $r->print('<span class="LC_error">'.'<br />'.
                                  &mt("An error occured ([_1]) while ".
                                      "trying to delete access controls for the file.",$deloutcome).
                                      '</span><br /><br />');
                           }
                       }
                   }
               }
           }
       }
       $r->print(&done(undef,$url));
   }
   
   sub delete_dir {
       my ($r,$url)=@_;
       &open_form($r,$url);
       $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
       &close_form($r,$url);
   } 
   
   sub delete_dir_confirmed {
       my ($r,$url)=@_;
       my $directory_name = $env{'form.currentpath'};
       $directory_name =~ s|/$||; # remove any trailing slash
       my ($uname,$udom) = &get_name_dom();
       my $namespace = &get_namespace();
       my $port_path = &get_port_path();
       my $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
          $directory_name);
          
       if ($result ne 'ok') {
    $r->print('<span class="LC_error"> An error occured (dir) ('.$result.
     ') while trying to delete '.$directory_name.'</span><br />');
       } else {
           # now remove from recent
   #        $r->print('<br /> removing '.$directory_name.'<br /');
           &Apache::lonhtmlcommon::remove_recent($namespace,[$directory_name.'/']);
           my @dirs = split m!/!, $directory_name;
           
   #        $directory_name =~ m/^(\/*\/)(\/*.)$/;
           $directory_name='/';
           for (my $i=1; $i < (@dirs - 1); $i ++){
               $directory_name .= $dirs[$i].'/';
           }
           $env{'form.currentpath'} = $directory_name;
       }
       $r->print(&done(undef,$url));
   }
   
   sub rename {
       my ($r,$url)=@_;
       my $file_name = $env{'form.currentpath'}.$env{'form.rename'};
       my ($uname,$udom) = &get_name_dom();
       $file_name = &prepend_group($file_name);
       if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
           $r->print("The file is locked and cannot be renamed.<br />");
           $r->print(&done(undef,$url));
       } else {
           &open_form($r,$url);
           $r->print('<p>'.&mt('Rename').' '.&display_file().' to 
                      <input name="filenewname" type="input" size="50" />?</p>');
           &close_form($r,$url);
       }
   }
   
   sub rename_confirmed {
       my ($r,$url,$group)=@_;
       my $filenewname=&Apache::lonnet::clean_filename($env{'form.filenewname'});
       my ($uname,$udom) = &get_name_dom();
       my $port_path = &get_port_path();
       if ($filenewname eq '') {
    $r->print('<span class="LC_error">'.
     &mt("Error: no valid filename was provided to rename to.").
     '</span><br />');
    $r->print(&done(undef,$url));
    return;
       } 
       my $chg_access;
       my $result=
    &Apache::lonnet::renameuserfile($uname,$udom,
               $port_path.$env{'form.currentpath'}.$env{'form.selectfile'},
               $port_path.$env{'form.currentpath'}.$filenewname);
       if ($result eq 'ok') {
           $chg_access = &access_for_renamed($filenewname,$group,$udom,$uname);
       } else {      
    $r->print('<span class="LC_error">'.
     &mt('An error occured ([_1]) while trying to rename [_2]'
         .' to [_3]',$result,&display_file(),
         &display_file('',$filenewname)).'</span><br />');
           return;
       }
       if ($filenewname ne $env{'form.filenewname'}) {
           $r->print(&mt("The new file name was changed from:<br />[_1] to [_2]",
         '<strong>'.&display_file('',$env{'form.filenewname'}).'</strong>',
         '<strong>'.&display_file('',$filenewname).'</strong>'));
       }
       $r->print($chg_access);
       $r->print(&done(undef,$url));
   }
   
   sub access_for_renamed {
       my ($filenewname,$group,$udom,$uname) = @_;
       my $oldfile = $env{'form.currentpath'}.$env{'form.selectfile'};
       $oldfile = &prepend_group($oldfile);
       my $newfile = $env{'form.currentpath'}.$filenewname;
       $newfile = &prepend_group($newfile);
       my $current_permissions =
    &Apache::lonnet::get_portfile_permissions($udom,$uname);
       my %access_controls =
    &Apache::lonnet::get_access_controls($current_permissions,
        $group,$oldfile);
       my $chg_text;
       if (keys(%access_controls) > 0) {
           my %change_old;
           my %change_new;
           foreach my $key (keys(%{$access_controls{$oldfile}})) {
               $change_old{'delete'}{$key} = 1;
               $change_new{'activate'}{$key} = $access_controls{$oldfile}{$key};
           }
           my ($outcome,$deloutcome,$new_values,$translation) =
               &Apache::lonnet::modify_access_controls($oldfile,\%change_old,
       $udom,$uname);
           if ($outcome ne 'ok') {
               $chg_text ='<br /><br />'.&mt("An error occured ([_1]) while ".
                   "trying to delete access control records for the old name.",$outcome).
                   '</span><br />';
           } else {
               if ($deloutcome ne 'ok') {
                   $chg_text = '<br /><br /><span class="LC_error"><br />'.
       &mt("An error occured ([_1]) while ".
    "trying to delete access control records for the old name.",$deloutcome).
    '</span><br />';
               }
           }
           ($outcome,$deloutcome,$new_values,$translation) =
               &Apache::lonnet::modify_access_controls($newfile,\%change_new,
                                                       $udom,$uname);
           if ($outcome ne 'ok') {
               $chg_text .= '<br /><br />'.
    &mt("An error occured ([_1]) while ".
                   "trying to update access control records for the new name.",$outcome).
                   '</span><br />';
           }
           if ($chg_text eq '') {
               $chg_text = '<br /><br />'.&mt('Access controls updated to reflect the name change.');
           }
       }
       return $chg_text;
   }
   
   sub display_access {
       my ($r,$url,$group,$can_setacl,$port_path,$action) = @_;
       my ($uname,$udom) = &get_name_dom();
       my $file_name = $env{'form.currentpath'}.$env{'form.access'};
       $file_name = &prepend_group($file_name);
       my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                           $uname);
       my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group,$file_name);
       my $aclcount = keys(%access_controls);
       my ($header,$info);
       if ($action eq 'chgaccess') {
           $header = '<h3>'.&mt('Allowing others to retrieve file: [_1]',$port_path.$env{'form.currentpath'}.$env{'form.access'}).'</h3>';
           $info .= &mt('Access to this file by others can be set to be one or more of the following types: public, passphrase-protected or conditional.');
           $info .= '<br /><ul><li>'.&mt('Public files are available to anyone without the need for login.');
           $info .= '</li><li>'.&mt('Passphrase-protected files do not require log-in, but will require the viewer to enter the passphrase you set.');
           $info .= '</li><li>'.&explain_conditionals();
           $info .= '</li></ul>';
           if ($group eq '') {
               $info .= (&mt("A listing of files viewable without log-in is available at: <a href='/adm/$udom/$uname/aboutme/portfolio'>http://$ENV{'SERVER_NAME'}/adm/$udom/$uname/aboutme/portfolio</a>.<br />For logged in users a 'Display file listing' link will also appear (when there are viewable files) on your personal information page:<br /><a href='/adm/$udom/$uname/aboutme'>http://$ENV{'SERVER_NAME'}/adm/$udom/$uname/aboutme</a><br />"));
           }
       } else {
           $header = '<h3>'.&mt('Conditional access controls for file: [_1]',$port_path.$env{'form.currentpath'}.$env{'form.access'}).'</h3>'.
                     &explain_conditionals().'<br />';
       }
       if ($can_setacl) {
           &open_form($r,$url);
           $r->print($header.$info);
    $r->print('<br />'.&Apache::loncommon::help_open_topic('Portfolio ShareFile SetAccess', 'Help on setting up share access'));
    $r->print(&Apache::loncommon::help_open_topic('Portfolio ShareFile ChangeSetting', 'Help on changing settings'));
    $r->print(&Apache::loncommon::help_open_topic('Portfolio ShareFile StopAccess', 'Help on removing share access'));
           &access_setting_table($r,$url,$file_name,$access_controls{$file_name},
                                 $action);
           my $button_text = {
                           'continue' => &mt('Proceed'),
                           'cancel' => &mt('Back to directory listing'),
                         };
           &close_form($r,$url,$button_text);
       } else {
           $r->print($header);
           if ($aclcount) {  
               $r->print($info);
           }
           &view_access_settings($r,$url,$access_controls{$file_name},$aclcount);
       }
   }
   
   sub explain_conditionals {
       return
           &mt('Conditional files are accessible to logged-in users with accounts in the LON-CAPA network, who satisfy the conditions you set.').'<br />'."\n".
           &mt('The conditions can include affiliation with a particular course, or a user account in a specific domain.').'<br />'."\n".
           &mt('Alternatively access can be granted to people with specific LON-CAPA usernames and domains.');
   }
   
   sub view_access_settings {
       my ($r,$url,$access_controls,$aclcount) = @_;
       my ($showstart,$showend);
       my %todisplay;
       foreach my $key (sort(keys(%{$access_controls}))) {
           my ($num,$scope,$end,$start) = &unpack_acc_key($key);
           $todisplay{$scope}{$key} = $$access_controls{$key};
       }
       if ($aclcount) {
           $r->print(&mt('<h4>Current access controls defined for this file:</h4>'));
           $r->print(&Apache::loncommon::start_data_table());
           $r->print(&Apache::loncommon::start_data_table_header_row());
           $r->print('<th>'.&mt('Access control').'</th><th>'.&mt('Dates available').
                     '</th><th>'.&mt('Additional information').'</th>');
           $r->print(&Apache::loncommon::end_data_table_header_row());
           my $count = 1;
           my $chg = 'none';
           &build_access_summary($r,$count,$chg,%todisplay);
           $r->print(&Apache::loncommon::end_data_table());
       } else {
           $r->print(&mt('No access control settings currently exist for this file.<br />' ));
       }
       my %anchor_fields = (
           'currentpath' => $env{'form.currentpath'}
       );
       $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Return to directory listing')));
       return;
   }
   
   sub build_access_summary {
       my ($r,$count,$chg,%todisplay) = @_; 
       my ($showstart,$showend);
       my %scope_desc = (
                         public => 'Public',
                         guest => 'Passphrase-protected',
                         domains => 'Conditional: domain-based',
                         users => 'Conditional: user-based',
                         course => 'Conditional: course-based',
                        );
       my @allscopes = ('public','guest','domains','users','course');
       foreach my $scope (@allscopes) {
           if ((!(exists($todisplay{$scope}))) || (ref($todisplay{$scope}) ne 'HASH')) {
               next;
           }
           foreach my $key (sort(keys(%{$todisplay{$scope}}))) {
               if ($count) {
                   $r->print(&Apache::loncommon::start_data_table_row());
               }
               my ($num,$scope,$end,$start) = &unpack_acc_key($key);
               my $content = $todisplay{$scope}{$key};
               if ($chg eq 'delete') {
                   $showstart = &mt('Deleted');
                   $showend = $showstart;
               } else {
                   $showstart = localtime($start);
                   if ($end == 0) {
                       $showend = &mt('No end date');
                   } else {
                       $showend = localtime($end);
                   }
               }
               $r->print('<td>'.&mt($scope_desc{$scope}));
               if ($scope eq 'course') {
                   if ($chg ne 'delete') {
                       my $cid = $content->{'domain'}.'_'.$content->{'number'};
                       my %course_description = &Apache::lonnet::coursedescription($cid);
                       $r->print('<br />('.$course_description{'description'}.')');
                   }
               }
               $r->print('</td><td>'.&mt('Start: ').$showstart.
                     '<br />'.&mt('End: ').$showend.'</td><td>');
               if ($chg ne 'delete') {
                   if ($scope eq 'guest') {
                       $r->print(&mt('Passphrase').': '.$content->{'password'});
                   } elsif ($scope eq 'course') {
                       $r->print('<table width="100%"><tr>');
                       $r->print('<th>'.&mt('Roles').'</th><th>'.
                             &mt('Access').'</th><th>'.
                                             &mt('Sections').'</th>');
                       $r->print('<th>'.&mt('Groups').'</th>');
                       $r->print('</tr>');
                       foreach my $id (sort(keys(%{$content->{'roles'}}))) {
                           $r->print('<tr>');
                           foreach my $item ('role','access','section','group') {
                               $r->print('<td>');
                               if ($item eq 'role') {
                                   my $ucscope = $scope;
                                   $ucscope =~ s/^(\w)/uc($1)/e;
                                   my $role_output;
                                   foreach my $role (@{$content->{'roles'}{$id}{$item}}) {
                                       if ($role eq 'all') {
                                           $role_output .= $role.',';
                                       } elsif ($role =~ /^cr/) {
                                           $role_output .= (split('/',$role))[3].',';
                                       } else {
                                           $role_output .= &Apache::lonnet::plaintext($role,$ucscope).',';
                                       }
                                   }
                                   $role_output =~ s/,$//;
                                   $r->print($role_output);
                               } else {
                                   $r->print(join(',',@{$content->{'roles'}{$id}{$item}}));
                               }
                               $r->print('</td>');
                           }
    $r->print('</tr>');
                       }
       $r->print('</table>');
                   } elsif ($scope eq 'domains') {
                       $r->print(&mt('Domains: ').join(',',@{$content->{'dom'}}));
                   } elsif ($scope eq 'users') {
                       my $curr_user_list = &sort_users($content->{'users'});
                       $r->print(&mt('Users: ').$curr_user_list);
                   } else {
                       $r->print('&nbsp;');
                   }
               } else {
                   $r->print('&nbsp;');
               }
               $r->print('</td>');
               $r->print(&Apache::loncommon::end_data_table_row());
               $count ++;
           }
       }
   }
   
   
   sub update_access {
       my ($r,$url,$group,$port_path) = @_;
       my $totalprocessed = 0;
       my %processing;
       my %title  = (
                            'activate' => 'New control(s) added',
                            'delete'   => 'Existing control(s) deleted',
                            'update'   => 'Existing control(s) modified',
                        );
       my $changes;
       foreach my $chg (sort(keys(%title))) {     
           @{$processing{$chg}} = &Apache::loncommon::get_env_multiple('form.'.$chg);
           $totalprocessed += @{$processing{$chg}};
           foreach my $num (@{$processing{$chg}}) {
               my $scope = $env{'form.scope_'.$num};
               my ($start,$end) = &get_dates_from_form($num);
               my $newkey = $num.':'.$scope.'_'.$end.'_'.$start;
               if ($chg eq 'delete') {
                   $$changes{$chg}{$newkey} = 1;
               } else {
                   $$changes{$chg}{$newkey} = 
                               &build_access_record($num,$scope,$start,$end,$chg);
               }
           }
       }
       my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
       $r->print('<h3>'.&mt('Allowing others to retrieve file: [_1]',
                 $port_path.$file_name).'</h3>'."\n");
       $file_name = &prepend_group($file_name);
       my ($uname,$udom) = &get_name_dom();
       my ($errors,$outcome,$deloutcome,$new_values,$translation);
       if ($totalprocessed) {
           ($outcome,$deloutcome,$new_values,$translation) =
           &Apache::lonnet::modify_access_controls($file_name,$changes,$udom,
                                                   $uname);
       }
       my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                          $uname);
       my %access_controls = 
    &Apache::lonnet::get_access_controls($current_permissions,
        $group,$file_name);
       if ($totalprocessed) {
           if ($outcome eq 'ok') {
               my $updated_controls = $access_controls{$file_name};
               my ($showstart,$showend);
               $r->print(&Apache::loncommon::start_data_table());
               $r->print(&Apache::loncommon::start_data_table_header_row());
               $r->print('<th>'.&mt('Type of change').'</th><th>'.
                         &mt('Access control').'</th><th>'.&mt('Dates available').
                         '</th><th>'.&mt('Additional information').'</th>');
               $r->print(&Apache::loncommon::end_data_table_header_row());
               foreach my $chg (sort(keys(%processing))) {
                   if (@{$processing{$chg}} > 0) {
                       if ($chg eq 'delete') {
                           if (!($deloutcome eq 'ok')) {
                               $errors .='<span class="LC_error">'.
    &mt('A problem occurred deleting access controls: [_1]',$deloutcome).
    '</span>';
                               next;
                           }
                       }
                       my $numchgs = @{$processing{$chg}};
                       $r->print(&Apache::loncommon::start_data_table_row());
                       $r->print('<td rowspan="'.$numchgs.'">'.&mt($title{$chg}).
                                 '.</td>');
                       my $count = 0;
                       my %todisplay;
                       foreach my $key (sort(keys(%{$$changes{$chg}}))) {
                           my ($num,$scope,$end,$start) = &unpack_acc_key($key);
                           my $newkey = $key;
                           if ($chg eq 'activate') {
                               $newkey =~ s/^(\d+)/$$translation{$1}/;
                           }
                           $todisplay{$scope}{$newkey} = $$updated_controls{$newkey};
                       }
                       &build_access_summary($r,$count,$chg,%todisplay);  
                   }
               }
               $r->print(&Apache::loncommon::end_data_table());
           } else {
               if ((@{$processing{'activate'}} > 0) || (@{$processing{'update'}} > 0)) {
                   $errors .= '<span class="LC_error">'.
       &mt('A problem occurred storing access control settings: [_1]',$outcome).
       '</span>';
               }
           }
           if ($errors) { 
               $r->print($errors);
           }
       }
       my $allnew = 0;
       my $totalnew = 0;
       my $status = 'new';
       my ($firstitem,$lastitem);
       foreach my $newitem ('course','domains','users') {
           $allnew += $env{'form.new'.$newitem};
       }
       if ($allnew > 0) {
           my $now = time;
           my $then = $now + (60*60*24*180); # six months approx.
           &open_form($r,$url);
           foreach my $newitem ('course','domains','users') {
               if ($env{'form.new'.$newitem} > 0) {
                   $r->print('<br />'.&mt('Add new <b>[_1]-based</b> access control for portfolio file: <b>[_2]</b>',$newitem,$env{'form.currentpath'}.$env{'form.selectfile'}).'<br /><br />');
                   $firstitem = $totalnew;
                   $lastitem = $totalnew + $env{'form.new'.$newitem};
                   $totalnew = $lastitem;
                   my @numbers;   
                   for (my $i=$firstitem; $i<$lastitem; $i++) {
                       push (@numbers,$i);
                   }
                   &display_access_row($r,$status,$newitem,\@numbers,
                                       $access_controls{$file_name},$now,$then);
               }
           }
           &close_form($r,$url);
       } else {
           my %anchor_fields = (
               'currentpath' => $env{'form.currentpath'},
               'access' => $env{'form.selectfile'}
           );
           $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Display all access settings for this file')));
           delete $anchor_fields{'access'};
           $r->print('&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&make_anchor($url,\%anchor_fields,&mt('Return to directory listing')));
       }
       return;
   }
   
   sub build_access_record {
       my ($num,$scope,$start,$end,$chg) = @_;
       my $record = {
    type => $scope,
    time => {
       start => $start,
       end   => $end
       },
       };
   
       if ($scope eq 'guest') {
           $record->{'password'} = $env{'form.password'};
       } elsif ($scope eq 'course') {
           $record->{'domain'} = $env{'form.crsdom_'.$num};
    $record->{'number'} = $env{'form.crsnum_'.$num};
           my @role_ids;
           my @delete_role_ids =
               &Apache::loncommon::get_env_multiple('form.delete_role_'.$num);
    my @preserves =
       &Apache::loncommon::get_env_multiple('form.preserve_role_'.$num);
    if (@delete_role_ids) {
       foreach my $id (@preserves) {
    if (grep {$_ = $id} (@delete_role_ids)) {
       next;
    }
    push(@role_ids,$id); 
       }
    } else {
       push(@role_ids,@preserves);
    }
   
    my $next_id = $env{'form.add_role_'.$num};
    if ($next_id) {
       push(@role_ids,$next_id);
  }   }
  $displayOut = $displayOut.  
  return $displayOut;          foreach my $id (@role_ids) {
               my (@roles,@accesses,@sections,@groups);
               if (($id == $next_id) && ($chg eq 'update')) {
                   @roles    = split(/,/,$env{'form.role_'.$num.'_'.$next_id});
                   @accesses = split(/,/,$env{'form.access_'.$num.'_'.$next_id});
                   @sections = split(/,/,$env{'form.section_'.$num.'_'.$next_id});
                   @groups   = split(/,/,$env{'form.group_'.$num.'_'.$next_id});
               } else {
                   @roles = &Apache::loncommon::get_env_multiple('form.role_'.$num.'_'.$id);
                   @accesses = &Apache::loncommon::get_env_multiple('form.access_'.$num.'_'.$id);
                   @sections = &Apache::loncommon::get_env_multiple('form.section_'.$num.'_'.$id);
                   @groups = &Apache::loncommon::get_env_multiple('form.group_'.$num.'_'.$id);
               }
       $record->{'roles'}{$id}{'role'}    = \@roles;
       $record->{'roles'}{$id}{'access'}  = \@accesses;
       $record->{'roles'}{$id}{'section'} = \@sections;
       $record->{'roles'}{$id}{'group'}   = \@groups;
           }
       } elsif ($scope eq 'domains') {
           my @doms = &Apache::loncommon::get_env_multiple('form.dom_'.$num);
    $record->{'dom'} = \@doms;
       } elsif ($scope eq 'users') {
           my $userlist = $env{'form.users_'.$num};
           $userlist =~ s/\s+//sg;
    my %userhash = map { ($_,1) } (split(/,/,$userlist));
           foreach my $user (keys(%userhash)) {
               my ($uname,$udom) = split(/:/,$user);
       push(@{$record->{'users'}}, {
    'uname' => $uname,
    'udom'  => $udom
    });
    }
       }
       return $record;
 }  }
 sub displayActions {  
  # returns html to offer user appropriate actions depending on selected file/directory  sub get_dates_from_form {
  my $displayOut;      my ($id) = @_;
  my ($currentPath, $currentFile, $isDir, $isFile) = @_;      my $startdate;
 # $displayOut = 'here are actions for '.$currentFile;      my $enddate;
  if ($isDir){      $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate_'.$id);
  $displayOut = 'Directory';      $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate_'.$id);
  }      if ( exists ($env{'form.noend_'.$id}) ) {
  if ($isFile){          $enddate = 0;
  $displayOut = 'File';      }
  }      return ($startdate,$enddate);
   }
  $displayOut = $displayOut.'<form method="POST">  
  <input type="hidden" name="selectfile"   sub sort_users {
  value="'.$currentFile.'">      my ($users) = @_; 
  <input type="hidden" name="fileaction" value="delete">       my @curr_users = map {
  <center>   $_->{'uname'}.':'.$_->{'udom'}
  <input type="submit"       } (@{$users});
       my $curr_user_list = join(",\n",sort(@curr_users));
  value="Delete '.$currentFile.'">      return $curr_user_list;
  </center>  }
  </form>  
  <hr />  sub access_setting_table {
  <form method="POST">      my ($r,$url,$filename,$access_controls,$action) = @_;
  <input type="hidden" name="selectfile"       my ($public,$publictext);
  value="'.$currentFile.'">      $publictext ='Off';
  <input type="hidden" name="fileaction" value="rename">       my ($guest,$guesttext);
  <input type="input" name="filenewname" value="Type new name here">       $guesttext = 'Off';
  <input type="submit"       my @courses = ();
  value="Rename '.$currentFile.'">      my @domains = ();
  </form>      my @users = ();
  <hr>';      my $now = time;
  $displayOut = $displayOut.'<hr>Add a file to your portfolio';      my $then = $now + (60*60*24*180); # six months approx.
  # file upload form       my ($num,$scope,$publicnum,$guestnum);
  $displayOut = $displayOut.'<form method="post" enctype="multipart/form-data">';      my (%acl_count,%end,%start,%conditionals);
  $displayOut = $displayOut.'<input name="uploaddoc" type="file">'.      foreach my $key (sort(keys(%{$access_controls}))) {
  '<input type="hidden" name="currentpath" value="'.$currentPath.'">'.          ($num,$scope,$end{$key},$start{$key}) = &unpack_acc_key($key);
  '<input type="submit" name="storeupl" value="Upload">'.          if ($scope eq 'public') {
  '</form><hr>';              $public = $key;
  $displayOut = $displayOut.'<form method="POST">              $publicnum = $num;
  <input name="subdir" type="text" >              $publictext = &acl_status($start{$key},$end{$key},$now);
  <input type="submit" value="Create Subdirectory">          } elsif ($scope eq 'guest') {
  </form>              $guest=$key;
  ';              $guestnum = $num;  
  return $displayOut;              $guesttext = &acl_status($start{$key},$end{$key},$now);
           } else {
               $conditionals{$scope}{$key} = $$access_controls{$key};
               if ($scope eq 'course') {
                   push(@courses,$key);
               } elsif ($scope eq 'domains') {
                   push(@domains,$key);
               } elsif ($scope eq 'users') {
                   push(@users,$key);
               }
           }
           $acl_count{$scope} ++;
       }
       $r->print('<table border="0"><tr><td valign="top">');
       if ($action eq 'chgaccess') {
           &standard_settings($r,$now,$then,$url,$filename,\%acl_count,\%start,
                              \%end,$public,$publicnum,$publictext,$guest,$guestnum,
                              $guesttext,$access_controls,%conditionals);
       } else {
           &condition_setting($r,$access_controls,$now,$then,\%acl_count,
                              \@domains,\@users,\@courses);
       }
       $r->print('</td></tr></table>');
   }
   
   sub standard_settings {
       my ($r,$now,$then,$url,$filename,$acl_count,$start,$end,$public,$publicnum,
         $publictext,$guest,$guestnum,$guesttext,$access_controls,%conditionals)=@_;
       $r->print('<h3>'.&mt('Public access: [_1]',$publictext).'</h3>');
       $r->print(&Apache::loncommon::start_data_table());
       $r->print(&Apache::loncommon::start_data_table_header_row());
       $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').'</th>');
       $r->print(&Apache::loncommon::end_data_table_header_row());
       $r->print(&Apache::loncommon::start_data_table_row());
       if ($public) {
           $r->print('<td>'.&actionbox('old',$publicnum,'public').'</td><td>'.
                &dateboxes($publicnum,$start->{$public},$end->{$public}).'</td>');
       } else {
           $r->print('<td>'.&actionbox('new','0','public').'</td><td>'.
                     &dateboxes('0',$now,$then).'</td>');
       }
       $r->print(&Apache::loncommon::end_data_table_row());
       $r->print(&Apache::loncommon::end_data_table());
       $r->print('</td><td width="40">&nbsp;</td><td valign="top">');
       $r->print('<h3>'.&mt('Passphrase-protected access: [_1]',$guesttext).'</h3>');
       $r->print(&Apache::loncommon::start_data_table());
       $r->print(&Apache::loncommon::start_data_table_header_row());
       $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').
                 '</th><th>'. &mt('Passphrase').'</th>');
       $r->print(&Apache::loncommon::end_data_table_header_row());
       $r->print(&Apache::loncommon::start_data_table_row());
       my $passwd;
       if ($guest) {
           $passwd = $$access_controls{$guest}{'password'};
           $r->print('<td>'.&actionbox('old',$guestnum,'guest').'</td><td>'.
                 &dateboxes($guestnum,$start->{$guest},$end->{$guest}).'</td>');
       } else {
           $r->print('<td>'.&actionbox('new','1','guest').'</td><td>'.
                     &dateboxes('1',$now,$then).'</td>');
       }
       $r->print('<td><input type="text" size="15" name="password" value="'.
                 $passwd.'" /></td>');
       $r->print(&Apache::loncommon::end_data_table_row());
       $r->print(&Apache::loncommon::end_data_table());
       $r->print('</td></tr><tr><td colspan="3">&nbsp;</td></tr>'.
                 '<tr><td colspan="3">');
       my $numconditionals = 0;
       my $conditionstext;
       my %cond_status;
       foreach my $scope ('domains','users','course') {
           $numconditionals += $acl_count->{$scope}; 
           if ($acl_count->{$scope} > 0) {
               if ($conditionstext ne 'Active') { 
                   foreach my $key (keys(%{$conditionals{$scope}})) {
                       $conditionstext = &acl_status($start->{$key},$end->{$key},$now);
                       if ($conditionstext eq 'Active') {
                          last;
                       }
                   }
               }
           }
       }
       if ($conditionstext eq '') {
           $conditionstext = 'Off';
       }
       my %anchor_fields = (
               'access' => $env{'form.selectfile'},
               'action' => 'chgconditions',
               'currentpath' => $env{'form.currentpath'},
           );
       $r->print('<h3>'.&mt('Conditional access: [_1]',$conditionstext).'</h3>');
       if ($numconditionals > 0) {
           my $count = 1;
           my $chg = 'none';
           $r->print(&mt('You have previously set [_1] conditional access controls.',$numconditionals).' '.&make_anchor($url,\%anchor_fields,&mt('Change Conditions')).'<br /><br />');
           $r->print(&Apache::loncommon::start_data_table());
           $r->print(&Apache::loncommon::start_data_table_header_row());
           $r->print('<th>'.&mt('Access control').'</th><th>'.&mt('Dates available').
                     '</th><th>'.&mt('Additional information').'</th>');
           $r->print(&Apache::loncommon::end_data_table_header_row());
           &build_access_summary($r,$count,$chg,%conditionals);
           $r->print(&Apache::loncommon::end_data_table());
       } else {
           $r->print(&make_anchor($url,\%anchor_fields,&mt('Add conditional access')).' '.&mt('based on domain, username, or course affiliation.'));
       }
 }  }
   
   sub condition_setting {
       my ($r,$access_controls,$now,$then,$acl_count,$domains,$users,$courses) = @_;
       $r->print('<tr><td valign="top">');
       &access_element($r,'domains',$acl_count,$domains,$access_controls,$now,$then);
       $r->print('</td><td>&nbsp;</td><td valign="top">');
       &access_element($r,'users',$acl_count,$users,$access_controls,$now,$then);
       $r->print('</td></tr><tr><td colspan="3"></td></tr><tr>');
       if ($acl_count->{course} > 0) {
           $r->print('<td colspan="3" valign="top">');
       } else {
           $r->print('<td valign="top">');
       }
       &access_element($r,'course',$acl_count,$courses,$access_controls,$now,$then);
       $r->print('</td>');
       $r->print('</td></tr></table>');
   }
   
   sub acl_status {
       my ($start,$end,$now) = @_;
       if ($start > $now) {
           return 'Inactive';
       }
       if ($end && $end<$now) {
           return 'Inactive';
       }
       return 'Active';
   }
   
   sub access_element {
       my ($r,$type,$acl_count,$items,$access_controls,$now,$then) = @_;
       my $title = $type;
       $title =~ s/s$//;
       $title =~ s/^(\w)/uc($1)/e;
       $r->print('<h3>'.&mt('[_1]-based conditional access: ',$title));
       if ($$acl_count{$type}) {
           $r->print($$acl_count{$type}.' ');
           if ($$acl_count{$type} > 1) {
               $r->print(&mt('conditions'));
           } else {
               $r->print(&mt('condition'));
           }
       } else {
           $r->print(&mt('Off'));
       }
       $r->print('</h3>');
       &display_access_row($r,'old',$type,$items,$access_controls,$now,$then);
       return;
   }
   
   sub display_access_row {
       my ($r,$status,$type,$items,$access_controls,$now,$then) = @_;
       if (@{$items} > 0) {
           my @all_doms;
           my $colspan = 3;
           my $uctype = $type;
           $uctype =~ s/^(\w)/uc($1)/e;
           $r->print(&Apache::loncommon::start_data_table());
           $r->print(&Apache::loncommon::start_data_table_header_row());
           $r->print('<th>'.&mt('Action?').'</th><th>'.&mt($uctype).'</th><th>'.
                 &mt('Dates available').'</th>');
           if ($type eq 'course' && $status eq 'old') {
               $r->print('<th>'.&mt('Allowed [_1] member affiliations',$type).
                         '</th>');
               $colspan ++;
           } elsif ($type eq 'domains') {
               @all_doms = &Apache::loncommon::get_domains();
           }
           $r->print(&Apache::loncommon::end_data_table_header_row());
           foreach my $key (@{$items}) {
       $r->print(&Apache::loncommon::start_data_table_row());
               if ($type eq 'course') {
                   &course_row($r,$status,$type,$key,$access_controls,$now,$then);
               } elsif ($type eq 'domains') {
                   &domains_row($r,$status,$key,\@all_doms,$access_controls,$now,
                               $then);
               } elsif ($type eq 'users') {
                   &users_row($r,$status,$key,$access_controls,$now,$then);
               }
       $r->print(&Apache::loncommon::end_data_table_row());
           }
           if ($status eq 'old') {
       $r->print(&Apache::loncommon::start_data_table_row());
               $r->print('<td colspan="',$colspan.'">'.&additional_item($type).
                         '</td>');
       $r->print(&Apache::loncommon::end_data_table_row());
           }
           $r->print(&Apache::loncommon::end_data_table());
       } else {
           $r->print(&mt('No [_1]-based conditions defined.<br />',$type).
                     &additional_item($type));
       }
       return;
   }
   
   sub course_js {
       return qq|
   <script type="text/javascript">
   function setRoleOptions(num,roleid,cdom,cnum,type) {
       updateIndexNum = getIndexByValue('update',num);
       var addItem = 'add_role_'+num;
       var addIndexNum = getIndexByName(addItem);
       if (document.portform.elements[addItem].checked) {
           document.portform.elements[updateIndexNum].checked = true;
           var url = '/adm/portfolio?action=rolepicker&setroles='+num+'_'+roleid+'&cnum='+cnum+'&cdom='+cdom+'&type='+type;
           var title = 'Roles_Chooser';
           var options = 'scrollbars=1,resizable=1,menubar=0';
           options += ',width=700,height=600';
           rolebrowser = open(url,title,options,'1');
           rolebrowser.focus();
       } else {
           addArray = new Array ('role','access','section','group');
           for (var j=0;j<addArray.length;j++) {
               var itemIndex = getIndexByName(addArray[j]+'_'+num+'_'+roleid);
               document.portform.elements[itemIndex].value = '';
           }
       }
   }
   
   function getIndexByName(item) {
       for (var i=0;i<document.portform.elements.length;i++) {
           if (document.portform.elements[i].name == item) {
               return i;
           }
       }
       return -1;
   }
   
   function getIndexByValue(name,value) {
       for (var i=0;i<document.portform.elements.length;i++) {
           if (document.portform.elements[i].name == name && document.portform.elements[i].value == value) {
               return i;
           }
       }
       return -1;
   }
   
   </script>
   |;
   }
   
   sub course_row {
       my ($r,$status,$type,$item,$access_controls,$now,$then) = @_;
       my $content;
       my $defdom = $env{'user.domain'};
       if ($status eq 'old') {
           $content = $$access_controls{$item}; 
           $defdom =  $content->{'domain'};
       }
       my $js = &Apache::loncommon::coursebrowser_javascript($defdom)
    .&course_js();
       my $uctype = $type;
       $uctype =~ s/^(\w)/uc($1)/e;
       my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
                                                       $type);
       $r->print('<td>'.$js.&actionbox($status,$num,$scope).'</td>');
       if ($status eq 'old') {
           my $cid = $content->{'domain'}.'_'.$content->{'number'};
           my %course_description = &Apache::lonnet::coursedescription($cid);
           $r->print('<td><input type="hidden" name="crsdom_'.$num.'" value="'.$content->{'domain'}.'" /><input type="hidden" name="crsnum_'.$num.'" value="'.$content->{'number'}.'" />'.$course_description{'description'}.'</td>');
       } elsif ($status eq 'new') {
           $r->print('<td>'.&Apache::loncommon::selectcourse_link('portform','crsnum_'.$num,'crsdom_'.$num,'description_'.$num,$num.'_1',undef,$uctype).'&nbsp;&nbsp;<input type="text" name="description_'.$num.'" size="30" /><input type="hidden" name="crsdom_'.$num.'" /><input type="hidden" name="crsnum_'.$num.'" /></td>');
       }
       $r->print('<td>'.&dateboxes($num,$start,$end));
       my $newrole_id = 1;
       if ($status eq 'old') {
           $r->print('</td><td>');
           my $max_id = 0;
           if (keys(%{$content->{'roles'}}) > 0) {
               $r->print('<table><tr><th>'.&mt('Action').'</th>'.
                         '<th>'.&mt('Roles').'</th>'.
                         '<th>'.&mt('Access').'</th>'.
                         '<th>'.&mt('Sections').'</th>'.
                         '<th>'.&mt('Groups').'</th></tr>');
               foreach my $role_id (sort(keys(%{$content->{'roles'}}))) {
                   if ($role_id > $max_id) {
                       $max_id = $role_id;
                   }
                   $max_id ++;
                   my $role_selects = &role_selectors($num,$role_id,$type,$content,'display');
                   $r->print('<tr><td><span style="white-space: nowrap"><label><input type="checkbox" name="delete_role_'.$num.'" value="'.$role_id.'" />'.&mt('Delete').'</label></span><br /><input type="hidden" name="preserve_role_'.$num.'" value="'.$role_id.'" /></td>'.$role_selects.'</tr>');
               }
               $r->print('</table>');
           }
           $r->print('<br />'.&mt('Add a roles-based condition').
                     '&nbsp;<input type="checkbox" name ="add_role_'.
                     $num.'" onClick="javascript:setRoleOptions('."'$num',
                     '$max_id','$content->{'domain'}','$content->{'number'}',
                     '$uctype'".')" value="" />');
           $newrole_id = $max_id;
       } else {
           $r->print('<input type="hidden" name ="add_role_'.$num.'" value="" />');
       }
       $r->print(&add_course_role($num,$newrole_id));
       $r->print('</td>');
       return;
   }
   
   sub add_course_role {
       my ($num,$max_id) = @_;
       my $output;
       $output .='<input type="hidden" name="role_'.$num.'_'.$max_id.'" />'.
                 '<input type="hidden" name="access_'.$num.'_'.$max_id.'" />'.
                 '<input type="hidden" name="section_'.$num.'_'.$max_id.'" />'.
                 '<input type="hidden" name="group_'.$num.'_'.$max_id.'" />';
       return $output;
   }
   
   sub domains_row {
       my ($r,$status,$item,$all_doms,$access_controls,$now,$then) = @_;
       my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
                                                       'domains');
       my $dom_select = '<select name="dom_'.$num.'" size="4" multiple="true">'.
                        ' <option value="">'.&mt('Please select').'</option>';
       if ($status eq 'old') {
           my $content =  $$access_controls{$item};
    foreach my $dom (@{$all_doms}) {
               if ((@{$content->{'dom'}} > 0) 
    && (grep(/^\Q$dom\E$/,@{$content->{'dom'}}))) {
                   $dom_select .= '<option value="'.$dom.'" selected>'.
                                  $dom.'</option>';
               } else {
                   $dom_select .= '<option value="'.$dom.'">'.$dom.'</option>';
               }
           }
       } else {
           foreach my $dom (@{$all_doms}) {
               $dom_select .= '<option value="'.$dom.'">'.$dom.'</option>';
           }
       }
       $dom_select .= '</select>';
       $r->print('<td>'.&actionbox($status,$num,$scope).'</td><td>'.$dom_select.
                 '</td><td>'.&dateboxes($num,$start,$end).'</td>');
   }
   
   sub users_row {
       my ($r,$status,$item,$access_controls,$now,$then) = @_;
       my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
                                                       'users');
       my $curr_user_list;
       if ($status eq 'old') {
           my $content = $$access_controls{$item};
           $curr_user_list = &sort_users($content->{'users'});
       }
       $r->print('<td>'.&actionbox($status,$num,$scope).'</td><td>'.&mt("Format for users' username:domain information:").'<br /><tt>sparty:msu,illini:uiuc  ... etc.</tt><br /><textarea name="users_'.$num.'" cols="30"  rows="5">'.$curr_user_list.'</textarea></td><td>'.&dateboxes($num,$start,$end).'</td>');
   }
   
   sub additional_item {
       my ($type) = @_;
       my $output = &mt('Add new [_1] condition(s)?',$type).'&nbsp;'.&mt('Number to add: ').'<input type="text" name="new'.$type.'" size="3" value="0" />';
       return $output;
   }
   
   sub actionbox {
       my ($status,$num,$scope) = @_;
       my $output = '<span style="white-space: nowrap"><label>';
       if ($status eq 'new') {
           my $checkstate;
           if ($scope eq 'domains' || $scope eq 'users' || $scope eq 'course') {
               $checkstate = 'checked="checked"';
           }
           $output .= '<input type="checkbox" name="activate" value="'.$num.'" '.
                      $checkstate.'  />'.
           &mt('Activate');
       } else {
           $output .= '<input type="checkbox" name="delete" value="'.$num.
                      '" />'.&mt('Delete').'</label></span><br /><span style="white-space: nowrap">'.
                      '<label><input type="checkbox" name="update" value="'.
                      $num.'" />'.&mt('Update');
       }
       $output .= '</label></span><input type="hidden" name="scope_'.$num.                '" value="'.$scope.'" />';
       return $output;
   }
                                                                                      
   sub dateboxes {
       my ($num,$start,$end) = @_;
       my $noend;
       if ($end == 0) {
           $noend = 'checked="checked"';
       }
       my $startdate = &Apache::lonhtmlcommon::date_setter('portform',
                              'startdate_'.$num,$start,undef,undef,undef,1,undef,
                               undef,undef,1);
       my $enddate = &Apache::lonhtmlcommon::date_setter('portform',
                                  'enddate_'.$num,$end,undef,undef,undef,1,undef,
                                   undef,undef,1). '&nbsp;&nbsp;<span style="white-space: nowrap"><label>'.
                                   '<input type="checkbox" name="noend_'.
                                   $num.'" '.$noend.' />'.&mt('No end date').
                                   '</label></span>';
                                                                                      
       my $output = &mt('Start: ').$startdate.'<br />'.&mt('End: ').$enddate;
       return $output;
   }
   
   sub unpack_acc_key {
       my ($acc_key) = @_;
       my ($num,$scope,$end,$start) = ($acc_key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
       return ($num,$scope,$end,$start);
   }
   
   sub set_identifiers {
       my ($status,$item,$now,$then,$scope) = @_;
       if ($status eq 'old') {
           return(&unpack_acc_key($item));
       } else {
           return($item,$scope,$then,$now);
       }
   } 
   
   sub role_selectors {
       my ($num,$role_id,$type,$content,$caller) = @_;
       my ($output,$cdom,$cnum,$longid);
       if ($caller eq 'display') {
           $longid = '_'.$num.'_'.$role_id;
           $cdom = $$content{'domain'};
           $cnum = $$content{'number'};
       } elsif ($caller eq 'rolepicker') {
            $cdom = $env{'form.cdom'};
            $cnum = $env{'form.cnum'};
       }
       my $uctype = $type;
       $uctype =~ s/^(\w)/uc($1)/e;
       my ($sections,$groups,$allroles,$rolehash,$accesshash) =
               &Apache::loncommon::get_secgrprole_info($cdom,$cnum,1,$uctype);
       if (!@{$sections}) {
           @{$sections} = ('none');
       } else {
           unshift(@{$sections},('all','none'));
       }
       if (!@{$groups}) {
           @{$groups} = ('none');
       } else {
           unshift(@{$groups},('all','none'));
       }
       my @allacesses = sort(keys(%{$accesshash}));
       my (%sectionhash,%grouphash);
       foreach my $sec (@{$sections}) {
           $sectionhash{$sec} = $sec;
       }
       foreach my $grp (@{$groups}) {
           $grouphash{$grp} = $grp;
       }
       my %lookup = (
                      'role' => $rolehash,
                      'access' => $accesshash,
                      'section' => \%sectionhash,
                      'group' => \%grouphash,
                    );
       my @allaccesses = sort(keys(%{$accesshash}));
       my %allitems = (
                       'role' => $allroles,
                       'access' => \@allaccesses,
                       'section' => $sections,
                       'group' => $groups,
                      );
       foreach my $item ('role','access','section','group') {
           $output .= '<td><select name="'.$item.$longid.'" multiple="true" size="4">'."\n";
           foreach my $entry (@{$allitems{$item}}) {
               if ($caller eq 'display') {
                   if ((@{$$content{'roles'}{$role_id}{$item}} > 0) && 
                       (grep(/^\Q$entry\E$/,@{$$content{'roles'}{$role_id}{$item}}))) {
                       $output .= '  <option value="'.$entry.'" selected>'.
                                     $lookup{$item}{$entry}.'</option>';
                       next;
                   }
               }
               $output .= '  <option value="'.$entry.'">'.
                          $lookup{$item}{$entry}.'</option>';
           }
           $output .= '</select>';
       }
       $output .= '</td>';
       return $output;
   }
   
   sub role_options_window {
       my ($r) = @_;
       my $type = $env{'form.type'};
       my $rolenum = $env{'form.setroles'};
       my ($num,$role_id) = ($rolenum =~ /^([\d_]+)_(\d+)$/);
       my $role_elements;
       foreach my $item ('role','access','section','group') {
           $role_elements .= "'".$item.'_'.$rolenum."',";
       }
       $role_elements =~ s/,$//; 
       my $role_selects = &role_selectors($num,$role_id,$type,undef,
                                          'rolepicker');
       $r->print(<<"END_SCRIPT");
   <script type="text/javascript">
   function setRoles() {
       var role_elements = new Array($role_elements);
       for (var i=0; i<role_elements.length; i++) {
           var copylist = '';
           for (var j=0; j<document.rolepicker.elements[i].length; j++) {
               if (document.rolepicker.elements[i].options[j].selected) {
                   copylist = copylist + document.rolepicker.elements[i].options[j].value + ',';
               }
           }
           copylist = copylist.substr(0,copylist.length-1);
           var openerItem = getIndexByName(role_elements[i]);
           opener.document.portform.elements[openerItem].value = copylist; 
       }
       var roleAdder = getIndexByName('add_role_$num');
       opener.document.portform.elements[roleAdder].value = '$role_id';
       self.close();
   }
   
   function getIndexByName(item) {
       for (var i=0;i<opener.document.portform.elements.length;i++) {
           if (opener.document.portform.elements[i].name == item) {
               return i;
           }
       }
       return -1;
   }
   
   </script>
   END_SCRIPT
       $r->print(&mt('Select roles, course status, section(s) and group(s) for users who will be able to access the portfolio file.'));
       $r->print('<form name="rolepicker" action="/adm/portfolio" method="post"><table><tr><th>'.&mt('Roles').'</th><th>'.&mt('[_1] status',$type).'</th><th>'.&mt('Sections').'</th><th>'.&mt('Groups').'</th></tr><tr>'.$role_selects.'</tr></table><br /><input type="button" name="rolepickbutton" value="Save selections" onclick="setRoles()" />');
       return;
   }
   
   sub select_files {
       my ($r) = @_;
       if ($env{'form.continue'} eq 'true') {
           # here we update the selections for the currentpath
           # eventually, have to handle removing those not checked, but . . . 
           my @items=&Apache::loncommon::get_env_multiple('form.checkfile');
           if (scalar(@items)){
                &Apache::lonnet::save_selected_files($env{'user.name'}, $env{'form.currentpath'}, @items);
           }
       } else {
               #empty the file for a fresh start
               &Apache::lonnet::clear_selected_files($env{'user.name'});
       }
       my @files = &Apache::lonnet::files_not_in_path($env{'user.name'}, $env{'form.currentpath'});
       my $java_files = join ",", @files;
       if ($java_files) {
           $java_files.=',';
       }
       my $javascript =(<<ENDSMP);
           <script type="text/javascript">
           function finishSelect() {
   ENDSMP
       $javascript .= 'fileList = "'.$java_files.'";';
       $javascript .= (<<ENDSMP);
               for (i=0;i<document.forms.checkselect.length;i++) { 
                   if (document.forms.checkselect[i].checked){
                       fileList = fileList + document.forms.checkselect.currentpath.value + document.forms.checkselect[i].value + "," ;
                   }
               }
               opener.document.forms.lonhomework.$env{'form.fieldname'}.value=fileList;
               self.close();
           }
           </script>
   ENDSMP
       $r->print($javascript);
       $r->print("<h1>Select portfolio files</h1>
                   Check as many as you wish in response to the problem.<br />");
       my @otherfiles=&Apache::lonnet::files_not_in_path($env{'user.name'}, $env{'form.currentpath'});
       if (@otherfiles) {
    $r->print("<strong>Files selected from other directories:</strong><br />");
    foreach my $file (@otherfiles) {
       $r->print($file."<br />");
    }
       }
   }
   
   sub upload {
       my ($r,$url,$group)=@_;
       my $fname=$env{'form.uploaddoc.filename'};
       my $filesize = (length($env{'form.uploaddoc'})) / 1000; #express in k (1024?)
       my $disk_quota;
       if (defined($group)) {
           my $grp_quota = &get_group_quota($group); # quota expressed in k 
           if ($grp_quota ne '') {
               $disk_quota = $grp_quota;
           } else {
               $disk_quota = 0;
           }
       } else {
           $disk_quota = &Apache::loncommon::get_user_quota($env{'user.name'},
                                       $env{'user.domain'}); #expressed in Mb
           $disk_quota = 1000 * $disk_quota; # convert from Mb to kb
       }
       $fname=&Apache::lonnet::clean_filename($fname);
   
       my $portfolio_root=&get_portfolio_root();
       my ($uname,$udom) = &get_name_dom();
       my $port_path = &get_port_path();
       # Fixme --- Move the checking for existing file to LOND error return
       my @dir_list=&get_dir_list($portfolio_root);
       my $found_file = 0;
       my $locked_file = 0;
       foreach my $line (@dir_list) {
           my ($file_name)=split(/\&/,$line,2);
           if ($file_name eq $fname){
               $file_name = $env{'form.currentpath'}.$file_name;
               $file_name = &prepend_group($file_name);
               $found_file = 1;
               if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
                   $locked_file = 1;
               } 
           }
       }
       my $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,$portfolio_root);
       if (($current_disk_usage + $filesize) > $disk_quota){
           $r->print('<span class="LC_error">Unable to upload <strong>'.$fname.' (size = '.$filesize.' kilobytes)</strong>. Disk quota will be exceeded.</span>'.
                     '<br />Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.');
           $r->print(&done('Back',$url));
       } 
       elsif ($found_file){
           if ($locked_file){
               $r->print('<span class="LC_error">'.'Unable to upload <strong>'.$fname.'</strong>, a <strong>locked</strong> file by that name was found in <strong>'.$port_path.$env{'form.currentpath'}.'</strong></span>'.
                     '<br />You will be able to rename or delete existing '.$fname.' after a grade has been assigned.');
               $r->print(&done('Back',$url));      
           } else {   
               $r->print('<span class="LC_error">'.'Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>'.$port_path.$env{'form.currentpath'}.'</strong></span>'.
                     '<br />To upload, rename or delete existing '.$fname.' in '.$port_path.$env{'form.currentpath'});
               $r->print(&done('Back',$url));
           }
       } else {
           my $result=&Apache::lonnet::userfileupload('uploaddoc','',
            $port_path.$env{'form.currentpath'});
           if ($result !~ m|^/uploaded/|) {
               $r->print('<span class="LC_error">'.'An errror occured ('.$result.
                 ') while trying to upload '.&display_file().'</span><br />');
       $r->print(&done('Back',$url));
           } else {
               $r->print(&done(undef,$url));
           }
       }
   }
   
   sub lock_info {
       my ($r,$url,$group) = @_;
       my ($uname,$udom) = &get_name_dom();
       my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                          $uname);
       my $file_name = $env{'form.lockinfo'};
       $file_name = &prepend_group($file_name);
       if (defined($file_name) && defined($$current_permissions{$file_name})) {
           foreach my $array_item (@{$$current_permissions{$file_name}}) {
               next if (ref($array_item) ne 'ARRAY');
   
       my $filetext;
       if (defined($group)) {
    $filetext = '<strong>'.$env{'form.lockinfo'}.
       '</strong> (group: '.$group.')'; 
       } else {
    $filetext = '<strong>'.$file_name.'</strong>';
       } 
       
       my $title ='<strong>'.&Apache::lonnet::gettitle($$array_item[0]).
    '</strong><br />';
       if ($$array_item[-1] eq 'graded') {
    $r->print(&mt('[_1] was submitted in response to problem: [_2]',
                                 $filetext,$title));
       } elsif ($$array_item[-1] eq 'handback') {
    $r->print(&mt('[_1] was handed back in response to problem: [_2]',
                                 $filetext,$title));
       } else {
    # submission style lock
    $r->print(&mt('[_1] was submitted in response to problem: [_2]',
                                 $filetext,$title));
       }
       my %course_description = 
    &Apache::lonnet::coursedescription($$array_item[1]);
       if ( $course_description{'description'} ne '') {
    $r->print(&mt('In the course: <strong>[_1]</strong><br />',
         $course_description{'description'}));
       }
           }
       }
       $r->print(&done('Back',$url));
       return 'ok';
   }
   
   sub createdir {
       my ($r,$url)=@_;
       my $newdir=&Apache::lonnet::clean_filename($env{'form.newdir'});
       if ($newdir eq '') {
       $r->print('<span class="LC_error">'.
         &mt("Error: no directory name was provided.").
         '</span><br />');
       $r->print(&done(undef,$url));
       return;
       }
       my $portfolio_root = &get_portfolio_root(); 
       my @dir_list=&get_dir_list($portfolio_root);
       my $found_file = 0;
       foreach my $line (@dir_list) {
           my ($filename)=split(/\&/,$line,2);
           if ($filename eq $newdir){
               $found_file = 1;
           }
       }
       if ($found_file){
          $r->print('<span class="LC_error">'.'Unable to create a directory named <strong>'.$newdir.
                  ' </strong>a file or directory by that name already exists.</span><br />');
       } else {
           my ($uname,$udom) = &get_name_dom();
           my $port_path = &get_port_path();
           my $result=&Apache::lonnet::mkdiruserfile($uname,$udom,
            $port_path.$env{'form.currentpath'}.$newdir);
           if ($result ne 'ok') {
          $r->print('<span class="LC_error">'.'An errror occured ('.$result.
             ') while trying to create a new directory '.&display_file().'</span><br />');
           }
       }
       if ($newdir ne $env{'form.newdir'}) {
           $r->print("The new directory name was changed from:<br /><strong>".$env{'form.newdir'}."</strong> to <strong>$newdir </strong>");  
       }
       $r->print(&done(undef,$url));
   }
   
   sub get_portfolio_root {
       my ($udom,$uname,$group) = @_;
       if (!(defined($udom)) || !(defined($uname))) {
           ($uname,$udom) = &get_name_dom();
       }
       my $path = '/userfiles/portfolio';
       if (!defined($group)) { 
           if (defined($env{'form.group'})) {
               $group = $env{'form.group'};      
           }
       }
       if (defined($group)) {
           $path = '/userfiles/groups/'.$group.'/portfolio';
       } 
       return (&Apache::loncommon::propath($udom,$uname).$path);
   }
   
   sub get_group_quota {
       my ($group) = @_;
       my $group_quota; 
       my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
       my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
       my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
       if (%curr_groups) {
           my %group_info =  &Apache::longroup::get_group_settings(
                                                       $curr_groups{$group});
           $group_quota = $group_info{'quota'}; #expressed in Mb
           if ($group_quota) {
               $group_quota = 1000 * $group_quota; #expressed in k
           } 
       }
       return $group_quota;
   } 
   
   sub get_dir_list {
       my ($portfolio_root) = @_;
       my ($uname,$udom) = &get_name_dom();
       return &Apache::lonnet::dirlist($env{'form.currentpath'},
                                             $udom,$uname,$portfolio_root);
   }
   
   sub get_name_dom {
       my ($uname,$udom);
       if (defined($env{'form.group'})) {
           $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
           $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
       } else {
           $udom = $env{'user.domain'};
           $uname = $env{'user.name'};
       }
       return ($uname,$udom);
   }
   
   sub prepend_group {
       my ($filename) = @_;
       if (defined($env{'form.group'})) {
           $filename = $env{'form.group'}.$filename;
       }
       return $filename;
   }
   
   sub get_namespace {
       my $namespace = 'portfolio';
       if (defined($env{'form.group'})) {
           my ($uname,$udom) = &get_name_dom();
           $namespace .= '_'.$udom.'_'.$uname.'_'.$env{'form.group'};
       }
       return $namespace;
   }
   
   sub get_port_path {
       my $port_path;
       if (defined($env{'form.group'})) {
          $port_path = "groups/$env{'form.group'}/portfolio";
       } else {
          $port_path = 'portfolio';
       }
       return $port_path;
   }
   
   sub missing_priv {
       my ($r,$url,$priv) = @_;
       my $longtext = {
                         upload => 'upload files',
                         delete => 'delete files',
                         rename => 'rename files',
                         setacl => 'set access controls for files',
                      };
       my $escpath = &HTML::Entities::encode($env{'form.currentpath'},'&<>"');
       my $rtnlink = '<a href="'.$url;
       if ($url =~ /\?/) {
           $rtnlink .= '&';
       } else {
           $rtnlink .= '?';
       }
       $rtnlink .= 'currentpath='.$escpath;
       $r->print(&mt('<h3>Action disallowed</h3>'));
       $r->print(&mt('You do not have sufficient privileges to [_1] ',
                     $longtext->{$priv}));
       if (defined($env{'form.group'})) {
           $r->print(&mt("in the group's file repository."));
           $rtnlink .= &group_args()
       } else {
           $r->print(&mt('in this portfolio.'));
       }
       $rtnlink .= '">'.&mt('Return to directory listing page').'</a>';
       $r->print('<br />'.$rtnlink);
       $r->print(&Apache::loncommon::end_page());
       return;
   }
   
   sub coursegrp_portfolio_header {
       my ($cdom,$cnum,$grp_desc)=@_;
       my $gpterm  = &Apache::loncommon::group_term();
       my $ucgpterm = $gpterm;
       $ucgpterm =~ s/^(\w)/uc($1)/e;
       if ($env{'form.ref'}) {
           &Apache::lonhtmlcommon::add_breadcrumb
               ({href=>"/adm/coursegroups",
                 text=>"Groups",
                 title=>"Course Groups"});
       }
       &Apache::lonhtmlcommon::add_breadcrumb
           ({href=>"/adm/$cdom/$cnum/$env{'form.group'}/smppg?ref=$env{'form.ref'}",
             text=>"$ucgpterm: $grp_desc",
             title=>"Go to group's home page"},
            {href=>"/adm/coursegrp_portfolio?".&group_args(),
             text=>"Group Portfolio",
             title=>"Display group portfolio"});
       my $output = &Apache::lonhtmlcommon::breadcrumbs(
                            &mt('[_1] portfolio files - [_2]',$gpterm,$grp_desc));
       return $output;
   }
   
   
 sub handler {  sub handler {
  # this handles file management      # this handles file management
  my $r=@_[0];      my $r = shift;
  my @dirList; # will hold directory listing as array      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  my $udir; # returned from home server           ['selectfile','currentpath','meta','lockinfo','currentfile','action',
  my $currentPath; # path assuming /userfiles/portfolio/ as root    'fieldname','mode','rename','continue','group','access','setnum',
  my $currentFile; # directory or file contained in $pathToRoot.$currentPath            'cnum','cdom','type','setroles','showversions','ref']);
  my $action; # delete, rename, makedirectory, removedirectory,      my ($uname,$udom,$portfolio_root,$url,$caller,$title,$group,$grp_desc);
  my $filenewname; # for rename action (guess what we do with it!)      if ($r->uri =~ m|^(/adm/)([^/]+)|) {
  my $isFile;          $url = $1.$2;
  my $isDir;          $caller = $2;
  # send header      }
  $r->content_type('text/html');      my ($can_modify,$can_delete,$can_upload,$can_setacl);
  $r->send_http_header;      if ($caller eq 'coursegrp_portfolio') {
  $r->print('<html><head><title>'.      #  Needs to be in a course
               'Portfolio Management'.          if (! ($env{'request.course.fn'})) {
               "</title></head>\n");          # Not in a course
               $env{'user.error.msg'}=
  $r->print ('       "/adm/coursegrp_portfolio:rgf:0:0:Cannot view group portfolio";
  <body bgcolor="dogfood">              return HTTP_NOT_ACCEPTABLE;
  <blockquote>');          }
  #grab stuff that was sent          my $earlyout = 0;
  &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},          my $view_permission = 
                                             ['selectfile','currentpath', 'currentfile']);             &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
  $r->print ('<br />CP= '.$ENV{'form.currentpath'}.'<br />');          $env{'form.group'} =~ s/\W//g;
  # currentPath and currentFile need to be set for the rest of things to happen   $group = $env{'form.group'};
  # sometimes, currentFile will be passed by a form field, selectedfile          if ($group) {
  # if there is no 'form.selectedfile' then the current directory is               ($uname,$udom) = &get_name_dom();
  # considered as selected               my %curr_groups = &Apache::longroup::coursegroups($udom,$uname,
  if ($ENV{'form.currentpath'}){         $group); 
  $currentPath = $ENV{'form.currentpath'};              if (%curr_groups) {
  }else{                  my %grp_content = &Apache::longroup::get_group_settings(
  $currentPath = '/';                                                           $curr_groups{$group});
  }                  $grp_desc = &unescape($grp_content{'description'});
  if ($ENV{'form.selectfile'}){                  if (($view_permission) || (&Apache::lonnet::allowed('rgf',
  $r->print('<br />found selectfile'.$ENV{'form.selectfile'} .'<br />');                                        $env{'request.course.id'}.'/'.$group))) {
  # have to check if the selected file is a subdirectory                      $portfolio_root = &get_portfolio_root();
  if ($ENV{'form.selectfile'} =~ /-\(Dir\)/){                  } else {
  # $currentPath =~ /\-\(Dir\)/;                      $r->print('You do not have the privileges required to access the shared files space for this group.');
  $currentPath = $`.'/';                      $earlyout = 1;
  $r->print('<br />'.$currentPath.'<br />');                  }
  }              } else {
  $currentFile = $ENV{'form.selectfile'};                  $r->print('Not a valid group for this course');
  }else{                  $earlyout = 1;
  $currentFile = '';              }
  }              $title = &mt('Group files').' for '.$group; 
  # if we're uploading a file, we need to do it early so it will show in the directory list          } else {
  if ($ENV{'form.uploaddoc.filename'}){              $r->print('Invalid group');
  $r->print ($ENV{'form.storeupl'}.'<br />');              $earlyout = 1;
  $r->print (&Apache::lonnet::userfileupload('uploaddoc','','portfolio'.$currentPath).'<br />');          }
  }          if ($earlyout) { return OK; }
  # similarly, we need to delete or rename files before getting directory list          if (&Apache::lonnet::allowed('mdg',$env{'request.course.id'})) {
  if ($ENV{'form.selectfile'}){              $can_modify = 1;
  if ($ENV{'form.fileaction'} eq 'delete'){              $can_delete = 1;
  &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'delete', undef );              $can_upload = 1;
  $currentFile = '';              $can_setacl = 1;
  }elsif($ENV{'form.fileaction'} eq 'rename')  {          } else {
  &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'rename', $ENV{'form.filenewname'} );              if (&Apache::lonnet::allowed('agf',$env{'request.course.id'}.'/'.$group)) {
  # $r->print ('We will rename your file');                  $can_setacl = 1;
  }              }
               if (&Apache::lonnet::allowed('ugf',$env{'request.course.id'}.'/'.$group)) {
                   $can_upload = 1;
               }
               if (&Apache::lonnet::allowed('mgf',$env{'request.course.id'}.'/'.$group)) {
                   $can_modify = 1;
               }
               if (&Apache::lonnet::allowed('dgf',$env{'request.course.id'}.'/'.$group)) {
                   $can_delete = 1;
               }
           }
       } else {
           ($uname,$udom) = &get_name_dom();
           $portfolio_root = &get_portfolio_root();
           $title = &mt('Portfolio Manager');
           $can_modify = 1;
           $can_delete = 1;
           $can_upload = 1;
           $can_setacl = 1;
       }
   
       my $port_path = &get_port_path();
       &Apache::loncommon::no_cache($r);
       &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
       # Give the LON-CAPA page header
       if ($env{"form.mode"} eq 'selectfile'){
           $r->print(&Apache::loncommon::start_page($title,undef,
    {'only_body' => 1}));
       } elsif ($env{'form.action'} eq 'rolepicker') {
           $r->print(&Apache::loncommon::start_page('New role-based condition',undef,
                                                    {'no_nav_bar'  => 1, }));
       } else {
           $r->print(&Apache::loncommon::start_page($title));
       }
       $r->rflush();
    if (($env{'form.storeupl'}) & (!$env{'form.uploaddoc.filename'})){
          $r->print('<span class="LC_error">'.
         'No file was selected to upload.'.
         'To upload a file, click <strong>Browse...</strong>'.
         ', select a file, then click <strong>Upload</strong>.'.
         '</span>');
  }   }
  # we always need $dirList, plus this will return information about the current file      if ($env{'form.meta'}) {
  # as well as information about he home server directory structure, specifically          &open_form($r,$url);
  # the path to the users userfiles directory.  #        $r->print(&edit_meta_data($r, $env{'form.currentpath'}.$env{'form.selectfile'}));
  @dirList = split /<br\s\/>/, (&Apache::lonnet::portfoliolist($currentPath, $currentFile));          $r->print('Edit the meta data<br />');
  # portfoliolist returns isdir, isfile and udir as the final array elements          &close_form($r,$url);
  # we'll pop them off the bottom of the array, and put them where they belong      }
       if ($env{'form.store'}) {
  # $londcall added to help debug      }
  my $londcall = pop @dirList;  
  $r->print ('<br />udir '.$londcall.'<br />');      if ($env{'form.uploaddoc.filename'}) {
  $udir = pop @dirList;          if ($can_upload) {
  $r->print ('<br />path returned '.$udir.'<br />');      &upload($r,$url,$group);
  $isFile = pop @dirList;          } else {
 # $r->print ('<br />isfile '.$isFile.'<br />');              &missing_priv($r,$url,'upload');
  $isDir = pop @dirList;          }
 # $r->print ('<br />isdir '.$isDir.'<br />');      } elsif ($env{'form.action'} eq 'delete' && $env{'form.confirmed'}) {
 # return OK if $r->header_only;          if ($can_delete) {
  # Stuff to maintain proper setting for selected file      &delete_confirmed($r,$url,$group);
  if ($ENV{'form.selectfile'}){          } else {
  if ($ENV{'form.fileaction'} eq 'delete'){              &missing_priv($r,$url,'delete');
  &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'delete', undef );          }
  $ENV{'portfolio.file'} = 'Selected File Deleted';      } elsif ($env{'form.action'} eq 'delete') {
  }elsif($ENV{'form.fileaction'} eq 'rename')  {          if ($can_delete) {
  &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'rename', $ENV{'form.filenewname'} );      &delete($r,$url);
 # $r->print ('We will rename your file');          } else {
  }else{              &missing_priv($r,$url,'delete');
           }
  # Remember user's file selection for later      } elsif ($env{'form.action'} eq 'deletedir' && $env{'form.confirmed'}) {
  $ENV{'portfolio.file'} = $ENV{'form.selectfile'};          if ($can_delete) {
  # offer things user can do with selected file      &delete_dir_confirmed($r,$url);
  }          } else {
  }else{              &missing_priv($r,$url,'delete');
  unless ($ENV{'portfolio.file'}){          }
  $ENV{'portfolio.file'} = 'No File Selected';      } elsif ($env{'form.action'} eq 'deletedir') {
  }          if ($can_delete) {
       &delete_dir($r,$url);
           } else {
               &missing_priv($r,$url,'delete');
           }
       } elsif ($env{'form.action'} eq 'rename' && $env{'form.confirmed'}) {
           if ($can_modify) {
       &rename_confirmed($r,$url,$group);
           } else {
               &missing_priv($r,$url,'rename');
           }
       } elsif ($env{'form.rename'}) {
           $env{'form.selectfile'} = $env{'form.rename'};
           $env{'form.action'} = 'rename';
           if ($can_modify) {
       &rename($r,$url);
           } else {
               &missing_priv($r,$url,'rename');
           }
       } elsif ($env{'form.access'}) {
           $env{'form.selectfile'} = $env{'form.access'};
           if (!defined($env{'form.action'})) { 
               $env{'form.action'} = 'chgaccess';
           }
           &display_access($r,$url,$group,$can_setacl,$port_path,$env{'form.action'});
       } elsif (($env{'form.action'} eq 'chgaccess') || 
                ($env{'form.action'} eq 'chgconditions')) {
           if ($can_setacl) {
               &update_access($r,$url,$group,$port_path);
           } else {
               &missing_priv($r,$url,'setacl');
           }
       } elsif ($env{'form.action'} eq 'rolepicker') {
           if ($can_setacl) { 
               &role_options_window($r);
           } else {
               &missing_priv($r,$url,'setacl');
           }
       } elsif ($env{'form.createdir'}) {
           if ($can_upload) {
       &createdir($r,$url);
           } else {
               &missing_priv($r,$url,'upload');
           }
       } elsif ($env{'form.lockinfo'}) {
           &lock_info($r,$url,$group);
       } else {
    my $current_path='/';
    if ($env{'form.currentpath'}) {
       $current_path = $env{'form.currentpath'};
  }   }
  ##############################          if ($caller eq 'coursegrp_portfolio') {
  #              &Apache::lonhtmlcommon::clear_breadcrumbs();
  # Display begins here              $r->print(&coursegrp_portfolio_header($udom,$uname,$grp_desc));
  #          }
  ##############################          my @dir_list=&get_dir_list($portfolio_root);
  $r->print ('<hr /> start ');   if ($dir_list[0] eq 'no_such_dir'){
  $r->print ($udir);      # two main reasons for this:
  $r->print ('<table border=1><tr><td>');              #    1) never been here, so directory structure not created
  $r->print (displayDirectory ($currentPath, $currentFile, $isDir, @dirList));      #    2) back-button navigation after deleting a directory
  $r->print ('</td>><td>');      if ($current_path eq '/'){
  $r->print (displayActions ($currentPath, $currentFile, $isDir, $isFile));          &Apache::lonnet::mkdiruserfile($uname,$udom,
  $r->print ('</td>></tr></table>');         &get_port_path());
  $r->print ('<br />end display<br /><hr />');      } else {
  $r->print ('</blockquote></body>');                  # some directory that snuck in get rid of the directory
  return OK;                  # from the recent pulldown, just in case
    &Apache::lonhtmlcommon::remove_recent('portfolio',
         [$current_path]);
    $current_path = '/'; # force it back to the root        
       }
       # now grab the directory list again, for the first time
       @dir_list=&Apache::lonnet::dirlist($current_path,
       $udom,$uname,$portfolio_root);
           }
    # need to know if directory is empty so it can be removed if desired
    my $is_empty=(@dir_list == 2);
    &display_common($r,$url,$current_path,$is_empty,\@dir_list,
    $can_upload);
           &display_directory($r,$url,$current_path,$is_empty,\@dir_list,$group,
                              $can_upload,$can_modify,$can_delete,$can_setacl);
    $r->print(&Apache::loncommon::end_page());
       }
       return OK;
 }  }
   
 1;  1;

Removed from v.1.6  
changed lines
  Added in v.1.173


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