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Diff for /loncom/interface/portfolio.pm between versions 1.3 and 1.77

version 1.3, 2004/06/18 23:59:55 version 1.77, 2005/02/21 02:20:12
Line 18 Line 18
 #  #
 # /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 33  use Apache::lontexconvert; Line 30  use Apache::lontexconvert;
 use Apache::lonfeedback;  use Apache::lonfeedback;
 use Apache::lonlocal;  use Apache::lonlocal;
   
   # receives a file name and path stub from username/userfiles/portfolio/
   # returns an anchor tag consisting encoding filename and currentpath
   sub make_anchor {
       my ($filename, $current_path, $current_mode, $field_name) = @_;
       my $anchor = '<a href="/adm/portfolio?selectfile='.$filename.'&currentpath='.$current_path.'&mode='.$current_mode.'&fieldname='.$field_name.'">'.$filename.'</a>';
       return $anchor;
   }
   my $dirptr=16384;
   sub display_common {
       my ($r,$current_path,$is_empty,$dir_list)=@_;
       my $iconpath= $r->dir_config('lonIconsURL') . "/";
       $r->print('<table border="0" cellspacing="2" cellpadding="2"><tr valign="middle">');
       $r->print('<td bgcolor="#ccddaa" align="center">');
       my $displayOut = '<form method="post" enctype="multipart/form-data">';
       $displayOut .= '<input name="uploaddoc" type="file" />'.
           '<input type="hidden" name="currentpath" value="'.$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="Upload" />'.
           '</form>';
       $r->print($displayOut);
       $r->print('</td></tr><tr><td bgcolor="#ccddaa" align="center">');
       $displayOut = '<form method="post">';
       $displayOut .= '<input name="newdir" type="input" />'.
           '<input type="hidden" name="currentpath" value="'.$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="'.&mt("Create Directory").'" />'.
           '</form>';
       $r->print($displayOut);
       $r->print('</td></tr></table>');
       my @tree = split (/\//,$current_path);
       $r->print('<font size="+2">'.&make_anchor('portfolio','/',$ENV{"form.mode"},$ENV{"form.fieldname"}).'/');
       if (@tree > 1){
           my $newCurrentPath = '';
           for (my $i = 1; $i< @tree; $i++){
               $newCurrentPath .= $tree[$i].'/';
               $r->print(&make_anchor($tree[$i],'/'.$newCurrentPath, $ENV{"form.mode"},$ENV{"form.fieldname"}).'/');
           }
       }
       $r->print('</font>');
       &Apache::lonhtmlcommon::store_recent('portfolio',$current_path,$current_path);
       $r->print('<br /><form method=post action="/adm/portfolio?mode='.$ENV{"form.mode"}.'&fieldname='.$ENV{"form.fieldname"}.'">'.
         &Apache::lonhtmlcommon::select_recent('portfolio','currentpath',
       'this.form.submit();'));
       $r->print("</form>");
   }
   sub display_directory {
       my ($r,$current_path,$is_empty,$dir_list)=@_;
       my $iconpath= $r->dir_config('lonIconsURL') . "/";
       my $display_out;
       my $select_mode;
       my $checked_files;
       my %locked_files = &Apache::lonnet::get_marked_as_readonly_hash ($ENV{'user.domain'},$ENV{'user.name'});
       if ($ENV{"form.mode"} eq 'selectfile'){
    &select_files($r);
    $checked_files =&Apache::lonnet::files_in_path($ENV{'user.name'},$ENV{'form.currentpath'});
    $select_mode = 'true';
       } 
       if ($is_empty && ($current_path ne '/')) {
           $display_out = '<form method="post" action="/adm/portfolio">'.
           '<input type="hidden" name="action" value="deletedir" />'.
           '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
           '<input type="hidden" name="selectfile" value="" />'.
           '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
           '</form>';
           
           $r->print($display_out);
    return;
       }
       if ($select_mode eq 'true') {
           $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
               '<tr><th>Select</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
           $r->print('<form method="post" name="checkselect" action="/adm/portfolio">');
       } else {
           $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
               '<tr><th colspan="2">Actions</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
           $r->print('<form method="post" action="/adm/portfolio">');
       }
       my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
       foreach my $line (sort 
         { 
     my ($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(/\&/,$line,16); 
       $filename =~ s/\s+$//;
       if (($filename ne '.') && ($filename ne '..')) {
               if ($dirptr&$testdir) {
                   if ($select_mode eq 'true'){
                       $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
                   } else {
                       $r->print('<tr bgcolor="#FFAA99"><td colspan="2"><img src="'.$iconpath.'folder_closed.gif"></td>');
                   }
                   $r->print('<td>Go to ...</td>');
                   $r->print('<td>'.&make_anchor($filename.'/',$current_path.$filename.'/',$ENV{'form.mode'},$ENV{"form.fieldname"}).'</td>'); 
                   $r->print('</tr>'); 
               } else {
                   $r->print('<tr bgcolor="#CCCCFF">');
                   if ($select_mode eq 'true'){
                       $r->print('<td><input type="checkbox" name="selectfile" value="'.$filename.'"'); 
                       if ($$checked_files{$filename} eq 'selected') {
                           $r->print("CHECKED");
                       }
                       $r->print('></td>');
                   } else {
                       if (exists $locked_files{$current_path.$filename}){
                           $r->print('<td colspan="2">Locked</td>');
                       } else {
                           $r->print('<td><input type="checkbox" name="selectfile" value="'.$filename.'" />
                               <a href="/adm/portfolio?rename='.$filename.'&amp;currentpath='.$current_path.'">Rename</a></td>
                               <td><a href="/adm/portfolio'.$current_path.$filename.'.meta">Meta</a>
                               </td>');
                       }
                   }
                   $r->print('<td><img src="'.$iconpath.'unknown.gif"></td>');
                   $r->print('<td><a href="'.$href_location.$filename.'">'.
       $filename.'</a></td>'); 
                   $r->print('<td>'.$size.'</td>');
                   $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
                   $r->print('</tr>'); 
               }
           }
       }
       if ($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 {
           $r->print('</table>
           <input type="submit" name="doit" value="Delete Checked Files" />
           <input type="hidden" name="action" value="delete" />
           <input type="hidden" name="currentpath" value="'.$current_path.'" />
           </form>');
       }
   }
   
   sub open_form {
       my ($r)=@_;
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
       $r->print('<form method="post" action="/adm/portfolio">');
       $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)=@_;
       $r->print('<p><input type="submit" value="'.&mt('Continue').
         '" /></p></form>');
       $r->print('<form action="/adm/portfolio" method="POST">
                  <p>
                 <input type="hidden" name="currentpath" value="'.
         $ENV{'form.currentpath'}.'" />
                    <input type="submit" value="'.&mt('Cancel').'" />
                  </p></form>');
   
   }
   
   sub display_file {
       my ($path,$filename)=@_;
       my $display_file_text;
       if (!defined($path)) { $path=$ENV{'form.currentpath'}; }
       if (!defined($filename)) { 
           $filename=$ENV{'form.selectfile'};
           $display_file_text = '<tt>'.$path.$filename.'</tt>';
       } elsif (ref($filename) eq "ARRAY") {
           foreach (@$filename) {
               $display_file_text .= '<tt>'.$path.$_.'</tt><br />';
           }
       } elsif (ref($filename) eq "SCALAR") {
           $display_file_text = '<tt>'.$path.$filename.'</tt>';        
       }
       return $display_file_text;
   }
   
   sub done {
       my ($message)=@_;
       unless (defined $message) {
           $message='Done';
       }
       return ('<h3><a href="/adm/portfolio?currentpath='.
       $ENV{'form.currentpath'}.
       '&fieldname='.$ENV{'form.fieldname'}.
       '&mode='.$ENV{'form.mode'}.
       '">'.&mt($message).'</a></h3>');
   }
   
   sub delete {
       my ($r)=@_;
       my @check;
       my $file_name = $ENV{'form.currentpath'}.$ENV{'form.selectfile'};
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
   
       if (&Apache::lonnet::is_locked($file_name,$ENV{'user.domain'},$ENV{'user.name'} ) eq 'true') {
           $r->print ("The file is locked and cannot be deleted.<br />");
           $r->print(&done('Back'));
       } else {
           if (scalar(@files)) {
               &open_form($r);
               $r->print('<p>'.&mt('Delete').' '.&display_file(undef,\@files).'?</p>');
               &close_form($r);
           } else {
               $r->print("No file was checked to delete.<br />");
               $r->print(&done());
           }
       }
   } 
   
   sub delete_confirmed {
       my ($r)=@_;
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
       my $result;
       foreach my $delete_file (@files) {
           $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
          $ENV{'user.domain'},'portfolio'.
          $ENV{'form.currentpath'}.
          $delete_file);
           if ($result ne 'ok') {
    $r->print('<font color="red"> An error occured ('.$result.
     ') while trying to delete '.&display_file(undef, $delete_file).'</font><br />');
           }
       }
       $r->print(&done());
   }
   
   sub delete_dir {
       my ($r)=@_;
       &open_form($r);
       $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
       &close_form($r);
   } 
   
   sub delete_dir_confirmed {
       my ($r)=@_;
       my $directory_name = $ENV{'form.currentpath'};
       $directory_name =~ m/\/$/;
       $directory_name = $`;
       my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
          $ENV{'user.domain'},'portfolio'.
          $directory_name);
          
       if ($result ne 'ok') {
    $r->print('<font color="red"> An error occured (dir) ('.$result.
     ') while trying to delete '.$directory_name.'</font><br />');
       } else {
           # now remove from recent
   #        $r->print('<br /> removing '.$directory_name.'<br /');
           &Apache::lonhtmlcommon::remove_recent('portfolio',[$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());
   }
   
   sub rename {
       my ($r)=@_;
       my $file_name = $ENV{'form.currentpath'}.$ENV{'form.rename'};
       if (&Apache::lonnet::is_locked($file_name,$ENV{'user.domain'},$ENV{'user.name'}) eq 'true') {
           $r->print ("The file is locked and cannot be renamed.<br />");
           $r->print(&done());
       } else {
           &open_form($r);
           $r->print('<p>'.&mt('Rename').' '.&display_file().' to 
                      <input name="filenewname" type="input" size="50" />?</p>');
           &close_form($r);
       }
   }
   
   sub rename_confirmed {
       my ($r)=@_;
       my $filenewname=&Apache::lonnet::clean_filename($ENV{'form.filenewname'});
       if ($filenewname eq '') {
    $r->print('<font color="red">'.
     &mt("Error: no valid filename was provided to rename to.").
     '</font><br />');
    $r->print(&done());
    return;
       } 
       my $result=
    &Apache::lonnet::renameuserfile($ENV{'user.name'},$ENV{'user.domain'},
               'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.selectfile'},
               'portfolio'.$ENV{'form.currentpath'}.$filenewname);
       if ($result ne 'ok') {
    $r->print('<font color="red"> An errror occured ('.$result.
     ') while trying to rename '.&display_file().' to '.
     &display_file(undef,$filenewname).'</font><br />');
       }
       if ($filenewname ne $ENV{'form.filenewname'}) {
           $r->print("The new file name was changed from:<br /><strong>".$ENV{'form.filenewname'}."</strong> to <strong>$filenewname </strong>");
       }
       $r->print(&done());
   }
   sub select_files {
       my ($r)=@_;
       if ($ENV{'form.continue'} eq 'true') {
           # here we update the selections for the currentpath
           # eventually, have to handle removing those not checked, but . . . 
           my @items=&Apache::loncommon::get_env_multiple('form.selectfile');
           &Apache::lonnet::save_selected_files($ENV{'user.name'}, $ENV{'form.currentpath'}, @items);
       } else {
           if ($ENV{'form.currentpath'} eq '/') {
               #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 language='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.
   ENDSMP
       $javascript .= $ENV{'form.fieldname'};
       $javascript .= (<<ENDSMP);
           .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 essay problem.<br />");
       $r->print("<strong>Files selected from other directories:</strong><br />");
       foreach (&Apache::lonnet::files_not_in_path($ENV{'user.name'}, $ENV{'form.currentpath'})) {
           $r->print($_."<br />");
       }
   }
   sub upload {
       my ($r)=@_;
       my $fname=$ENV{'form.uploaddoc.filename'};
       my $filesize = (length($ENV{'form.uploaddoc'})) / 1000; #express in k (1024?)
       my $disk_quota = 20000; # expressed in k
       $fname=&Apache::lonnet::clean_filename($fname);
       my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
    $ENV{'user.name'}).
    '/userfiles/portfolio';
       # Fixme --- Move the checking for existing file to LOND error return
       my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
     $ENV{'user.domain'},
     $ENV{'user.name'},$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){
               $found_file = 1;
               if (&Apache::lonnet::is_locked($ENV{'form.currentpath'}.$file_name,$ENV{'user.domain'},$ENV{'user.name'} ) eq 'true') {
                   $locked_file = 1;
               } 
           }
       }
       my $current_disk_usage = &Apache::lonnet::diskusage($ENV{'user.domain'}, $ENV{'user.name'},$portfolio_root);
       if ((($current_disk_usage/1000) + $filesize) > $disk_quota){
           $r->print('<font color="red">Unable to upload <strong>'.$fname.' (size = '.$filesize.' kilobytes</strong>. Disk quota will be exceeded.'.
                     '<br />Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.');
           $r->print(&done('Back'));
       } 
       elsif ($found_file){
           if ($locked_file){
               $r->print('<font color="red">Unable to upload <strong>'.$fname.'</strong>, a <strong>locked</strong> file by that name was found in <strong>portfolio'.$ENV{'form.currentpath'}.'</strong></font>'.
                     '<br />You will be able to rename or delete existing '.$fname.' after a grade has been assigned.');
               $r->print(&done('Back'));      
           } else {   
               $r->print('<font color="red">Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>portfolio'.$ENV{'form.currentpath'}.'</strong></font>'.
                     '<br />To upload, rename or delete existing '.$fname.' in portfolio'.$ENV{'form.currentpath'});
               $r->print(&done('Back'));
           }
       } else {
           my $result=&Apache::lonnet::userfileupload('uploaddoc','',
            'portfolio'.$ENV{'form.currentpath'});
           if ($result !~ m|^/uploaded/|) {
               $r->print('<font color="red"> An errror occured ('.$result.
                 ') while trying to upload '.&display_file().'</font><br />');
       $r->print(&done('Back'));
           } else {
               $r->print(&done());
           }
       }
   }
   
   sub createdir {
       my ($r)=@_;
       my $newdir=&Apache::lonnet::clean_filename($ENV{'form.newdir'});
       if ($newdir eq '') {
       $r->print('<font color="red">'.
         &mt("Error: no directory name was provided.").
         '</font><br />');
       $r->print(&done());
       return;
       } 
       my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
    $ENV{'user.name'}).
    '/userfiles/portfolio';
       my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
     $ENV{'user.domain'},
     $ENV{'user.name'},$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){
          $r->print('<font color="red"> Unable to create a directory named <strong>'.$newdir.
                  ' </strong>a file or directory by that name already exists.</font><br />');
       } else {
           my $result=&Apache::lonnet::mkdiruserfile($ENV{'user.name'},
            $ENV{'user.domain'},'portfolio'.$ENV{'form.currentpath'}.$newdir);
           if ($result ne 'ok') {
          $r->print('<font color="red"> An errror occured ('.$result.
             ') while trying to create a new directory '.&display_file().'</font><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());
   }
   
 sub handler {  sub handler {
  my $r=@_[0];      # this handles file management
  $r->content_type('text/html');      my $r = shift;
  $r->send_http_header;      my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
  return OK if $r->header_only;   $ENV{'user.name'}).
  my $file=&Apache::lonnet::filelocation("",$r->uri);   '/userfiles/portfolio';
  my $contents=&Apache::lonnet::getfile($file);      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  $r->print ('<br />Current contents of your portfolio directory: <br />');                                              ['selectfile','currentpath','meta',
  $r->print (&Apache::lonnet::portfoliolist($r->uri, $ENV{'user.domain'}, $ENV{'user.name'}, udef ));       'currentfile','action','fieldname','mode','rename']);
  $r->print ('<br /> call to dirlist precedes <br />');      &Apache::loncommon::no_cache($r);
  if ($ENV{'form.uploaddoc.filename'}){      &Apache::loncommon::content_type($r,'text/html');
  $r->print ('<br /> call to userfileupload follows <br />');      $r->send_http_header;
  $r->print (&Apache::lonnet::userfileupload('uploaddoc',undef,'portfolio').'<br />');      # Give the LON-CAPA page header
  $r->print ('<br /> call to userfileupload precedes <br />');      my $html=&Apache::lonxml::xmlbegin();
       $r->print($html.'<head><title>'.
                 &mt('Portfolio Manager').
                 "</title></head>\n");
       if ($ENV{"form.mode"} eq 'selectfile'){
           $r->print(&Apache::loncommon::bodytag('Portfolio Manager',undef,undef,1));
       } else {
           $r->print(&Apache::loncommon::bodytag('Portfolio Manager'));
       }
       $r->rflush();
    if (($ENV{'form.storeupl'} eq 'Upload') & (!$ENV{'form.uploaddoc.filename'})){
          $r->print('<font color="red"> No file was selected to upload.'.
                  'To upload a file, click <strong>Browse...</strong>'.
                  ', select a file, then click <strong>Upload</strong>,</font>');
  }   }
       if ($ENV{'form.meta'}) {
           &open_form($r);
   #        $r->print(&edit_meta_data($r, $ENV{'form.currentpath'}.$ENV{'form.selectfile'}));
           $r->print('Edit the meta data<br />');
           &close_form($r);
       }
       if ($ENV{'form.store'}) {
       }
   
  $r->print ($ENV{'form.uploaddoc.filename'}.'<br />');      if ($ENV{'form.uploaddoc.filename'}) {
  $r->print ($ENV{'form.storeupl'}.'<br />');   &upload($r);
  $r->print ($ENV{'form.saywhat'}.'<br />');      } elsif ($ENV{'form.action'} eq 'delete' && $ENV{'form.confirmed'}) {
    &delete_confirmed($r);
  $r->print("here's the form<br />");      } elsif ($ENV{'form.action'} eq 'delete') {
  # file upload form    &delete($r);
  $r->print('<form method="post" enctype="multipart/form-data">');      } elsif ($ENV{'form.action'} eq 'deletedir' && $ENV{'form.confirmed'}) {
  $r->print('<input name="uploaddoc" type="file">'.   &delete_dir_confirmed($r);
       } elsif ($ENV{'form.action'} eq 'deletedir'){
  '<input type="submit" name="storeupl" value="Upload">'   &delete_dir($r);
  );      } elsif ($ENV{'form.action'} eq 'rename' && $ENV{'form.confirmed'}) {
  $r->print('</form>');   &rename_confirmed($r);
       } elsif ($ENV{'form.rename'}) {
           $ENV{'form.selectfile'} = $ENV{'form.rename'};
           $ENV{'form.action'} = 'rename';
    &rename($r);
       } elsif ($ENV{'form.createdir'}) {
    &createdir($r);
       } else {
    my $current_path='/';
    if ($ENV{'form.currentpath'}) {
       $current_path = $ENV{'form.currentpath'};
    }
    my @dir_list=&Apache::lonnet::dirlist($current_path,
       $ENV{'user.domain'},
       $ENV{'user.name'},$portfolio_root);
    if ($dir_list[0] eq 'no_such_dir'){
       # two main reasons for this:
               #    1) never been here, so directory structure not created
       #    2) back-button navigation after deleting a directory
       if ($current_path eq '/'){
           &Apache::lonnet::mkdiruserfile($ENV{'user.name'},
          $ENV{'user.domain'},'portfolio');
       } else {
                   # some directory that snuck in get rid of the directory
                   # from the recent pulldown, just in case
    &Apache::lonhtmlcommon::remove_recent('portfolio',
         [$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,
       $ENV{'user.domain'},
       $ENV{'user.name'},$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,$current_path,$is_empty,\@dir_list);
           &display_directory($r,$current_path,$is_empty,\@dir_list);
    $r->print("</body>\n</html>\n");
  return OK;   return OK;
       }
 }  }
   
 1;  1;
 __END__  __END__
Removed from v.1.3  
changed lines
  Added in v.1.77

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