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Diff for /loncom/interface/portfolio.pm between versions 1.2 and 1.95

version 1.2, 2004/06/18 20:42:16 version 1.95, 2006/03/15 19:41:26
Line 1 Line 1
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or 
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # 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 6  use Apache::lonnet; Line 29  use Apache::lonnet;
 use Apache::lontexconvert;  use Apache::lontexconvert;
 use Apache::lonfeedback;  use Apache::lonfeedback;
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonnet;
   
 sub handler {  # receives a file name and path stub from username/userfiles/portfolio/
  my $r=@_[0];  # returns an anchor tag consisting encoding filename and currentpath
  $r->content_type('text/html');  sub make_anchor {
  $r->send_http_header;      my ($url, $filename, $current_path, $current_mode, $field_name,
  return OK if $r->header_only;          $continue_select,$group) = @_;
  my $file=&Apache::lonnet::filelocation("",$r->uri);      if ($continue_select ne 'true') {$continue_select = 'false'};
  my $contents=&Apache::lonnet::getfile($file);      my $anchor = '<a href="'.$url.'?selectfile='.$filename.'&currentpath='.$current_path.'&mode='.$current_mode.'&continue='.$continue_select.'&fieldname='.$field_name;
  $r->print ('<br />Current contents of your portfolio directory: <br />');      if (defined($group)) {
  $r->print (&Apache::lonnet::portfoliolist($r->uri, $ENV{'user.domain'}, $ENV{'user.name'}, udef ));          $anchor .= '&group='.$group;
  $r->print ('<br /> call to dirlist precedes <br />');      }
  if ($ENV{'form.uploaddoc.filename'}){      $anchor .= '">'.$filename.'</a>';
  $r->print ('<br /> call to userfileupload follows <br />');      return $anchor;
  $r->print (&Apache::lonnet::userfileupload('uploaddoc',undef,'portfolio').'<br />');  }
  $r->print ('<br /> call to userfileupload precedes <br />');  my $dirptr=16384;
   sub display_common {
       my ($r,$url,$current_path,$is_empty,$dir_list,$group)=@_;
       my $groupitem;
       my $namespace = &get_namespace($group);
       my $port_path = &get_port_path($group);
       if (defined($group)) {
           $groupitem = '<input type="hidden" name="group" value="'.$group.'" />';
       } 
       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:');
       $r->print(<<"TABLE"); 
   <table border="0" cellspacing="2" cellpadding="2">
     <form method="post" enctype="multipart/form-data">
       <tr valign="middle">
         <td bgcolor="#ccddaa" align="right">
           $text{'upload_label'}
         </td>
         <td bgcolor="#ccddaa" align="left">$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'}" />
         </td>
       </tr>
     </form>
     <form method="post">
       <tr>
         <td bgcolor="#ccddaa" align="right">
           $text{'createdir_label'}
         </td>
         <td bgcolor="#ccddaa" align="left">
           <input name="newdir" type="input" />$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="$text{'createdir'}" />
         </td>
       </tr>
     </form>
   </table>
   TABLE
       my @tree = split (/\//,$current_path);
       $r->print('<font size="+2">'.&make_anchor($url,$port_path,'/',$env{"form.mode"},$env{"form.fieldname"},$env{"form.continue"},$group).'/');
       if (@tree > 1){
           my $newCurrentPath = '';
           for (my $i = 1; $i< @tree; $i++){
               $newCurrentPath .= $tree[$i].'/';
               $r->print(&make_anchor($url,$tree[$i],'/'.$newCurrentPath, $env{"form.mode"},$env{"form.fieldname"}, $env{"form.continue"},$group).'/');
           }
       }
       $r->print('</font>');
       &Apache::lonhtmlcommon::store_recent($namespace,$current_path,$current_path);
       $r->print('<br /><form method=post action="'.$url.'?mode='.$env{"form.mode"}.'&fieldname='.$env{"form.fieldname"});
       if (defined($group)) {
           $r->print('&group='.$group);
       }
       $r->print('">'.
         &Apache::lonhtmlcommon::select_recent($namespace,'currentpath',
       'this.form.submit();'));
       $r->print("</form>");
   }
   sub display_directory {
       my ($r,$url,$current_path,$is_empty,$dir_list,$group)=@_;
       my $iconpath= $r->dir_config('lonIconsURL') . "/";
       my ($groupitem,$groupecho);
       my $display_out;
       my $select_mode;
       my $checked_files;
       my $port_path = &get_port_path($group);
       my ($uname,$udom) = &get_name_dom($group);
       my $namespace = &get_namespace($group); 
       if (defined($group)) {
          $groupitem = '<input type="hidden" name="group" value="'.$group.'" />'; 
          $groupecho = '&amp;group='.$group;
       }
       my %locked_files = &Apache::lonnet::get_marked_as_readonly_hash ($namespace,$udom,$uname);
       if ($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 '/')) {
           $display_out = '<form method="post" action="'.$url.'">'.$groupitem.
           '<input type="hidden" name="action" value="deletedir" />'.
           '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
           '<input type="hidden" name="selectfile" value="" />'.
           '<input type="hidden" name="currentpath" value="'.$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>');
           $r->print('<form method="post" name="checkselect" action="'.$url.'">');
       } 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>');
           $r->print('<form method="post" action="'.$url.'">');
       }
       if (defined($group)) {
           $r->print("\n".$groupitem."\n");
       }
       my $href_location="/uploaded/$udom/$uname/$port_path".$current_path;
       my $href_edit_location="/editupload/$udom/$uname/$port_path".$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 '..') && ($filename !~ /\.meta$/ ) && ($filename !~ /(.*)\.(\d+)\.([^\.]*)$/)) {
               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>');
                   $r->print('<td>'.&make_anchor($url,$filename.'/',$current_path.$filename.'/',$env{'form.mode'},$env{"form.fieldname"},$env{'form.continue'},$group).'</td>'); 
                   $r->print('</tr>'); 
               } else {
                   $r->print('<tr bgcolor="#CCCCFF">');
                   if ($select_mode eq 'true'){
                       $r->print('<td><input type="checkbox" name="checkfile" value="'.$filename.'"'); 
                       if ($$checked_files{$filename} eq 'selected') {
                           $r->print("CHECKED");
                       }
                       $r->print('></td>');
                   } else {
                       if (exists $locked_files{$current_path.$filename}){
                           $r->print('<td colspan="2"><a href="'.$url.'?lockinfo='.$current_path.$filename.$groupecho.'">Locked</a></td>');
                       } else {
    my $cat='<img alt="'.&mt('Catalog Information').
       '" src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').'" />';
                           $r->print('<td><input type="checkbox" name="selectfile" value="'.$filename.'" />
                               <a href="'.$url.'?rename='.$filename.'&amp;currentpath='.$current_path.$groupecho.'">Rename</a></td>
                               <td><a href="'.$href_edit_location.$filename.'.meta">'.$cat.'</a>
                               </td>');
                       }
                   }
                   $r->print('<td><img src="'.&Apache::loncommon::icon($filename).'"></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 ($r,$url)=@_;
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
       $r->print('<form method="post" action="'.$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,$group)=@_;
       $r->print('<p><input type="submit" value="'.&mt('Continue').'" />');
       if (defined($group)) {
          $r->print("\n".'<input type="hidden" name="group" value="'.
                 $group.'" />');
       }
       $r->print('</p></form>');
       $r->print('<form action="'.$url.'" method="POST">
                  <p>
                 <input type="hidden" name="currentpath" value="'.
         $env{'form.currentpath'}.'" />');
       if (defined($group)) {
          $r->print("\n".'<input type="hidden" name="group" value="'.
                 $group.'" />');
       }
       $r->print("\n".'   <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 ($message,$url,$group)=@_;
       unless (defined $message) {
           $message='Done';
       }
       my $result = '<h3><a href="'.$url.'?currentpath='.
            $env{'form.currentpath'}.
            '&fieldname='.$env{'form.fieldname'}.
            '&mode='.$env{'form.mode'};
       if (defined($group)) {
           $result .= '&group='.$group;
       }
       $result .= '">'.&mt($message).'</a></h3>';
       return $result;
   }
   
   sub delete {
       my ($r,$url,$group)=@_;
       my @check;
       my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
       my ($uname,$udom) = &get_name_dom($group);
       if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
           $r->print ("The file is locked and cannot be deleted.<br />");
           $r->print(&done('Back',$url,$group));
       } else {
           if (scalar(@files)) {
               &open_form($r,$url);
               $r->print('<p>'.&mt('Delete').' '.&display_file(undef,\@files).'?</p>');
               &close_form($r,$url,$group);
           } else {
               $r->print("No file was checked to delete.<br />");
               $r->print(&done(undef,$url,$group));
           }
       }
   } 
   
   sub delete_confirmed {
       my ($r,$url,$group)=@_;
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
       my $result;
       my ($uname,$udom) = &get_name_dom($group);
       my $port_path = &get_port_path($group);
       foreach my $delete_file (@files) {
           $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
          $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 />');
           }
       }
       $r->print(&done(undef,$url,$group));
   }
   
   sub delete_dir {
       my ($r,$url,$group)=@_;
       &open_form($r,$url);
       $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
       &close_form($r,$url,$group);
   } 
   
   sub delete_dir_confirmed {
       my ($r,$url,$group)=@_;
       my $directory_name = $env{'form.currentpath'};
       $directory_name =~ s|/$||; # remove any trailing slash
       my ($uname,$udom) = &get_name_dom($group);
       my $namespace = &get_namespace($group);
       my $port_path = &get_port_path($group);
       my $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
          $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($namespace,[$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,$group));
   }
   
   sub rename {
       my ($r,$url,$group)=@_;
       my $file_name = $env{'form.currentpath'}.$env{'form.rename'};
       my ($uname,$udom) = &get_name_dom($group);
       if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
           $r->print ("The file is locked and cannot be renamed.<br />");
           $r->print(&done(undef,$url,$group));
       } else {
           &open_form($r,$url);
           $r->print('<p>'.&mt('Rename').' '.&display_file().' to 
                      <input name="filenewname" type="input" size="50" />?</p>');
           &close_form($r,$url,$group);
       }
   }
   
   sub rename_confirmed {
       my ($r,$url,$group)=@_;
       my $filenewname=&Apache::lonnet::clean_filename($env{'form.filenewname'});
       my ($uname,$udom) = &get_name_dom($group);
       my $port_path = &get_port_path($group);
       if ($filenewname eq '') {
    $r->print('<font color="red">'.
     &mt("Error: no valid filename was provided to rename to.").
     '</font><br />');
    $r->print(&done(undef,$url,$group));
    return;
       } 
       my $result=
    &Apache::lonnet::renameuserfile($uname,$udom,
               $port_path.$env{'form.currentpath'}.$env{'form.selectfile'},
               $port_path.$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>");
       }
       $r->print(&done(undef,$url,$group));
   }
   sub select_files {
       my ($r,$group)=@_;
       if ($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 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);
       $r->print("<h1>Select portfolio files</h1>
                   Check as many as you wish in response to the problem.<br />");
       my @otherfiles=&Apache::lonnet::files_not_in_path($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 = 20000; # expressed in k
       $fname=&Apache::lonnet::clean_filename($fname);
   
  $r->print ($ENV{'form.uploaddoc.filename'}.'<br />');      my $portfolio_root=&get_portfolio_root($group);
  $r->print ($ENV{'form.storeupl'}.'<br />');      my ($uname,$udom) = &get_name_dom($group);
  $r->print ($ENV{'form.saywhat'}.'<br />');      my $port_path = &get_port_path($group);
       # Fixme --- Move the checking for existing file to LOND error return
  $r->print("here's the form<br />");      my @dir_list=&get_dir_list($portfolio_root,$group);
  # file upload form       my $found_file = 0;
  $r->print('<form method="post" enctype="multipart/form-data">');      my $locked_file = 0;
  $r->print('<input name="uploaddoc" type="file">'.      foreach my $line (@dir_list) {
           my ($file_name)=split(/\&/,$line,2);
  '<input type="submit" name="storeupl" value="Upload">'          if ($file_name eq $fname){
  );              $found_file = 1;
  $r->print('</form>');              if (&Apache::lonnet::is_locked($env{'form.currentpath'}.$file_name,$udom,$uname) eq 'true') {
  return OK;                  $locked_file = 1;
               } 
           }
       }
       my $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,$portfolio_root);
       if (($current_disk_usage + $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.');
           $r->print(&done('Back',$url,$group));
       } 
       elsif ($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>'.$port_path.$env{'form.currentpath'}.'</strong></font>'.
                     '<br />You will be able to rename or delete existing '.$fname.' after a grade has been assigned.');
               $r->print(&done('Back',$url,$group));      
           } else {   
               $r->print('<font color="red">Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>'.$port_path.$env{'form.currentpath'}.'</strong></font>'.
                     '<br />To upload, rename or delete existing '.$fname.' in '.$port_path.$env{'form.currentpath'});
               $r->print(&done('Back',$url,$group));
           }
       } else {
           my $result=&Apache::lonnet::userfileupload('uploaddoc','',
            $port_path.$env{'form.currentpath'});
           print STDERR "result was $result for $port_path.$env{'form.currentpath'}\n";
           if ($result !~ m|^/uploaded/|) {
               $r->print('<font color="red"> An errror occured ('.$result.
                 ') while trying to upload '.&display_file().'</font><br />');
       $r->print(&done('Back',$url,$group));
           } else {
               $r->print(&done(undef,$url,$group));
           }
       }
   }
   sub lock_info {
       my ($r,$url,$group) = @_;
       my ($uname,$udom) = &get_name_dom($group);
       my %current_permissions = &Apache::lonnet::dump('file_permissions',$udom,$uname);
       my $file_name = $env{'form.lockinfo'};
       foreach my $key(keys(%current_permissions)) {
           if ($file_name eq $key) {
               foreach my $array_item (@{$current_permissions{$key}}) {
                   if (ref($array_item)) {
                       $r->print('<strong>'.$key.'</strong> was submitted in response to problem: <strong>'.
                               &Apache::lonnet::gettitle($$array_item[0]).'</strong><br />');
                       my %course_description = &Apache::lonnet::coursedescription($$array_item[1]);
                       $r->print('In the course: <strong>'.$course_description{'description'}.'</strong><br />');
                       # $r->print('the third is '.$$array_item[2].'<br>');
                       # $r->print("item is $$array_item[0]<br> and $$array_item[0]");
                   }
               }
           }    
       }
       $r->print(&done('Back',$url,$group));
       return 'ok';
   }
   sub createdir {
       my ($r,$url,$group)=@_;
       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 />');
       $r->print(&done(undef,$url,$group));
       return;
       }
       my $portfolio_root = &get_portfolio_root($group); 
       my @dir_list=&get_dir_list($portfolio_root,$group);
       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 ($uname,$udom) = &get_name_dom($group);
           my $port_path = &get_port_path($group);
           my $result=&Apache::lonnet::mkdiruserfile($uname,$udom,
            $port_path.$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>");  
       }
       $r->print(&done(undef,$url,$group));
   }
   
   sub get_portfolio_root {
       my ($group) = @_;
       my ($portfolio_root,$udom,$uname,$path);
       ($uname,$udom) = &get_name_dom($group);
       if (defined($group)) {
           $path = '/userfiles/groups/'.$group.'/portfolio';
       } else {
           $path = '/userfiles/portfolio';
       }
       return (&Apache::loncommon::propath($udom,$uname).$path);
   }
   
   sub get_dir_list {
       my ($portfolio_root,$group) = @_;
       my ($uname,$udom) = &get_name_dom($group);
       return &Apache::lonnet::dirlist($env{'form.currentpath'},
                                             $udom,$uname,$portfolio_root);
   }
   
   sub get_name_dom {
       my ($group) = @_;
       my ($uname,$udom);
       if (defined($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 get_namespace {
       my ($group) = @_;
       my $namespace = 'portfolio';
       if (defined($group)) {
           my ($uname,$udom) = &get_name_dom($group);
           $namespace .= '_'.$udom.'_'.$uname.'_'.$group;
       }
       return $namespace;
   }
   
   sub get_port_path {
       my ($group) = @_;
       my $port_path;
       if (defined($group)) {
          $port_path = "groups/$group/portfolio";
       } else {
          $port_path = 'portfolio';
       }
       return $port_path;
   }
   
   sub handler {
       # this handles file management
       my $r = shift;
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
            ['selectfile','currentpath','meta','lockinfo','currentfile',
       'action','fieldname','mode','rename','continue','group']);
       my ($uname,$udom,$portfolio_root,$url,$group,$caller,$title);
       if ($r->uri =~ m|^(/adm/)([^/]+)|) {
           $url = $1.$2;
           $caller = $2;
       }
       if ($caller eq 'coursegrp_portfolio') {
       #  Needs to be in a course
           if (! ($env{'request.course.fn'})) {
           # Not in a course
               $env{'user.error.msg'}=
        "/adm/coursegrp_portfolio:rgf:0:0:Cannot view group portfolio";
               return HTTP_NOT_ACCEPTABLE;
           }
           my $earlyout = 0;
           my $view_permission = &Apache::lonnet::allowed('vcg',
                                                   $env{'request.course.id'});
           $group = $env{'form.group'};
           $group =~ s/\W//g;
           if ($group) {
               my %curr_groups = ();
               ($uname,$udom) = &get_name_dom($group);
               if (&Apache::loncommon::coursegroups(\%curr_groups,$udom,$uname,
                                                          $group)) {
                   if (($view_permission) || (&Apache::lonnet::allowed('rgf',
                                         $env{'request.course.id'}.'/'.$group))) {
                       $portfolio_root = &get_portfolio_root($group);
                   } else {
                       $r->print('You do not have the privileges required to access the shared files space for this group');
                       $earlyout = 1;
                   }
               } else {
                   $r->print('Not a valid group for this course');
                   $earlyout = 1;
               }
               $title = &mt('Group files').' for '.$group; 
           } else {
               $r->print('Invalid group');
               $earlyout = 1;
           }
           if ($earlyout) { return OK; }
       } else {
           ($uname,$udom) = &get_name_dom();
           $portfolio_root = &get_portfolio_root();
           $title = &mt('Portfolio Manager');
       }
   
       &Apache::loncommon::no_cache($r);
       &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
       # Give the LON-CAPA page header
       my $html=&Apache::lonxml::xmlbegin();
       $r->print($html.&Apache::loncommon::head($title)."\n");
       if ($env{"form.mode"} eq 'selectfile'){
           $r->print(&Apache::loncommon::bodytag($title,undef,undef,1));
       } else {
           $r->print(&Apache::loncommon::bodytag($title));
       }
       $r->rflush();
    if (($env{'form.storeupl'}) & (!$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($r,$url);
   #        $r->print(&edit_meta_data($r, $env{'form.currentpath'}.$env{'form.selectfile'}));
           $r->print('Edit the meta data<br />');
           &close_form($r,$url,$group);
       }
       if ($env{'form.store'}) {
       }
   
       if ($env{'form.uploaddoc.filename'}) {
    &upload($r,$url,$group);
       } elsif ($env{'form.action'} eq 'delete' && $env{'form.confirmed'}) {
    &delete_confirmed($r,$url,$group);
       } elsif ($env{'form.action'} eq 'delete') {
    &delete($r,$url,$group);
       } elsif ($env{'form.action'} eq 'deletedir' && $env{'form.confirmed'}) {
    &delete_dir_confirmed($r,$url,$group);
       } elsif ($env{'form.action'} eq 'deletedir'){
    &delete_dir($r,$url,$group);
       } elsif ($env{'form.action'} eq 'rename' && $env{'form.confirmed'}) {
    &rename_confirmed($r,$url,$group);
       } elsif ($env{'form.rename'}) {
           $env{'form.selectfile'} = $env{'form.rename'};
           $env{'form.action'} = 'rename';
    &rename($r,$url,$group);
       } elsif ($env{'form.createdir'}) {
    &createdir($r,$url,$group);
       } elsif ($env{'form.lockinfo'}) {
           &lock_info($r,$url,$group);
       } else {
    my $current_path='/';
    if ($env{'form.currentpath'}) {
       $current_path = $env{'form.currentpath'};
    }
           my @dir_list=&get_dir_list($portfolio_root,$group);
    if ($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 ($current_path eq '/'){
           &Apache::lonnet::mkdiruserfile($uname,$udom,'portfolio');
       } else {
                   # some directory that snuck in get rid of the directory
                   # from the recent pulldown, just in case
    &Apache::lonhtmlcommon::remove_recent('portfolio',
         [$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,
       $udom,$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,$is_empty,\@dir_list,$group);
           &display_directory($r,$url,$current_path,$is_empty,\@dir_list,$group);
    $r->print(&Apache::loncommon::end_page());
       }
       return OK;
   }
 1;  1;
 __END__  __END__
Removed from v.1.2  
changed lines
  Added in v.1.95

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