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Diff for /loncom/interface/portfolio.pm between versions 1.11 and 1.102

version 1.11, 2004/07/03 00:35:01 version 1.102, 2006/06/07 18:41:48
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 32  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;
 sub makeAnchor{  use Apache::lonnet;
     # receives a file name and path stub from username/userfiles/portfolio/  use Apache::longroup;
     # returns an anchor tag consisting encoding filename and currentpath  use lib '/home/httpd/lib/perl';
     my ($fileName, $currentPath) = @_;  use LONCAPA;
     my $anchor = '<a href="/adm/portfolio?selectfile='.$fileName.'&currentpath='.$currentPath.'">'.$fileName.'</a>';  
   # 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, $filename, $current_path, $current_mode, $field_name,
           $continue_select,$group) = @_;
       if ($continue_select ne 'true') {$continue_select = 'false'};
       my $anchor = '<a href="'.$url.'?selectfile='.$filename.'&currentpath='.$current_path.'&mode='.$current_mode.'&continue='.$continue_select.'&fieldname='.$field_name;
       if (defined($group)) {
           $anchor .= '&group='.$group;
       }
       $anchor .= '">'.$filename.'</a>';
     return $anchor;      return $anchor;
 }  }
 sub displayDirectory {  my $dirptr=16384;
     # returns html with <br /> separated contents of the directory  sub display_common {
     # returns a <strong>currentFile</strong> (bolds the selected file/dir)      my ($r,$url,$current_path,$is_empty,$dir_list,$group)=@_;
     my ($currentPath, $currentFile, $isDir, @dirList,) = @_;      my $groupitem;
     my $displayOut='';        my $namespace = &get_namespace($group);
     my $fileName;      my $port_path = &get_port_path($group);
     my $upPath;      if (defined($group)) {
     if ($currentPath ne '/'){          $groupitem = '<input type="hidden" name="group" value="'.$group.'" />';
         $displayOut = 'Listing of '.$currentPath.'<br /><hr />'.      } 
         # provides the "up one directory level" function      my $iconpath= $r->dir_config('lonIconsURL') . "/";
         # it means shortening the currentpath to the parent directory      my %text=&Apache::lonlocal::texthash('upload' => 'Upload',
         $currentPath =~ m:(^/.*)(/.*/$):;   'upload_label' =>  
         if ($1 ne '/'){   'Upload file to current directory:',
             $upPath = $1.'/';   'createdir' => 'Create Subdirectory',
         }else{   'createdir_label' => 
             $upPath = $1;   '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($group);
       if (defined($group)) {
          $groupitem = '<input type="hidden" name="group" value="'.$group.'" />'; 
          $groupecho = '&amp;group='.$group;
       }
       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;
       my $curr_access;
       my $pub_access = 0;
       foreach my $key (sort(keys(%access_controls))) {
           my ($scope,$end,$start) = ($key =~ /^\d+:(\w+)_(\d*)_?(\d*)$/);
           if (($now > $start) && (!$end || $end > $now)) {
               if ($scope eq 'public')  {
                   $pub_access = 1;
               }
            }
       }
       if (!$pub_access) {
           $curr_access = 'Private'
       } elsif ($pub_access) {
           $curr_access = 'Public';
       }
       if ($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>';
                   
         $displayOut = $displayOut.'<a href="/adm/portfolio?selectfile='.$upPath.'&currentpath='.$upPath.'">..</a><br />';          $r->print($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 {      } else {
         $displayOut = $displayOut.'at root '.$currentPath.'<br />';          $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><th>Current Access Status</th></tr>');
           $r->print('<form method="post" action="'.$url.'">');
       }
       if (defined($group)) {
           $r->print("\n".$groupitem."\n");
     }      }
     foreach my $line (@dirList) {      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)) {
     #$strip holds directory/file name      #$strip holds directory/file name
     #$dom       #$dom 
     my ($fileName,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);       my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
         if (($fileName ne '.') && ($fileName ne '..')){      $filename =~ s/\s+$//;
             if ($testdir =~ m:^1:){      if (($filename ne '.') && ($filename ne '..') && ($filename !~ /\.meta$/ ) && ($filename !~ /(.*)\.(\d+)\.([^\.]*)$/)) {
                 # handle directories different from files              if ($dirptr&$testdir) {
                 if ($fileName eq $currentFile){ #checks to bold the selected file                  if ($select_mode eq 'true'){
                     $displayOut.= '<strong>'.(makeAnchor($fileName.'/', $currentPath.$fileName.'/').'</strong><br />');                      $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
                 }else{                  } else {
                     $displayOut.= (makeAnchor($fileName.'/', $currentPath.$fileName.'/').'<br />');                      $r->print('<tr bgcolor="#FFAA99"><td colspan="2"><img src="'.$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>');
                   $r->print('<td><nobr>'.&mt($curr_access).'&nbsp;&nbsp;&nbsp;'.
                             '<a href="'.$url.'?access='.$filename.
                             '&amp;currentpath='.$current_path.$groupecho.
                             '">'.&mt('View/Change').'</a></nobr></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');
       $r->print('<form name="portform" method="post" action="'.$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,$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'};
       $file_name = &prepend_group($file_name,$group);
       my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
       my ($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);
       $file_name = &prepend_group($file_name,$group);
       if (&Apache::lonnet::is_locked($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.'";';
       $javascript .= (<<ENDSMP);
               for (i=0;i<document.forms.checkselect.length;i++) { 
                   if (document.forms.checkselect[i].checked){
                       fileList = fileList + document.forms.checkselect.currentpath.value + document.forms.checkselect[i].value + "," ;
                 }                  }
             }else{              }
                 if ($fileName eq $currentFile){ #checks to bold the selected file              opener.document.forms.lonhomework.
                     $displayOut.='<strong>'.(makeAnchor($fileName, $currentPath).'</strong><br />');  ENDSMP
                 }else{      $javascript .= $env{'form.fieldname'};
                     $displayOut.=(makeAnchor($fileName, $currentPath).'<br />');      $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);
   
       my $portfolio_root=&get_portfolio_root($group);
       my ($uname,$udom) = &get_name_dom($group);
       my $port_path = &get_port_path($group);
       # Fixme --- Move the checking for existing file to LOND error return
       my @dir_list=&get_dir_list($portfolio_root,$group);
       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,$group);
               $found_file = 1;
               if (defined($group)) {
                   $file_name = $group.'/'.$file_name;
               }
               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){
           $r->print('<font color="red">Unable to upload <strong>'.$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'});
           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 $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                          $uname);
       my $file_name = $env{'form.lockinfo'};
       $file_name = &prepend_group($file_name,$group);
       if (defined($file_name) && defined($$current_permissions{$file_name})) {
           foreach my $array_item (@{$$current_permissions{$file_name}}) {
               if (ref($array_item) eq 'ARRAY') {
                   if ($$array_item[0] eq 'access' ||
                       $$array_item[0] eq 'accesscount' ) {
                       next;
                 }                  }
                   my $filetext;
                   if (defined($group)) {
                       $filetext = '<strong>'.$env{'form.lockinfo'}.
                                       '</strong> (group: '.$group.')'; 
                   } else {
                       $filetext = '<strong>'.$file_name.'</strong>';
                   } 
                   $r->print(&mt('[_1] was submitted in response to problem: ',
                                 $filetext).
                             '<strong>'.&Apache::lonnet::gettitle($$array_item[0]).
                             '</strong><br />');
                   my %course_description = &Apache::lonnet::coursedescription($$array_item[1]);
                   $r->print(&mt('In the course: <strong>[_1]</strong><br />',
                                 $course_description{'description'}));
                   # $r->print('the third is '.$$array_item[2].'<br>');
                   # $r->print("item is $$array_item[0]<br> and $$array_item[0]");
             }              }
         }          }
      
     }      }
     return $displayOut;      $r->print(&done('Back',$url,$group));
       return 'ok';
 }  }
 sub displayActions {  sub createdir {
     # returns html to offer user appropriate actions depending on selected file/directory      my ($r,$url,$group)=@_;
     my $displayOut;      my $newdir=&Apache::lonnet::clean_filename($env{'form.newdir'});
     my ($currentPath, $currentFile, $isDir, $isEmpty) = @_;      if ($newdir eq '') {
 #   $displayOut = 'here are actions for '.$currentFile;      $r->print('<font color="red">'.
     if ($currentFile =~ m:/$:){        &mt("Error: no directory name was provided.").
         # if the selected file is a directory, these are the options        '</font><br />');
         # offer the chance to delete the directory only if it is empty      $r->print(&done(undef,$url,$group));
         if ($isEmpty && ($currentPath ne '/')) {      return;
             $displayOut =   $displayOut.'<form method="POST">      }
             <input type="hidden" name="selectfile"       my $portfolio_root = &get_portfolio_root($group); 
             value="'.$currentFile.'" />      my @dir_list=&get_dir_list($portfolio_root,$group);
             <input type="hidden" name="fileaction" value="delete" />       my $found_file = 0;
             <input type="hidden" name="currentpath" value="'.$currentPath.'" />       foreach my $line (@dir_list) {
             <center>          my ($filename)=split(/\&/,$line,2);
             <input type="submit"           if ($filename eq $newdir){
             value="Delete '.$currentFile.'" />              $found_file = 1;
             </center>          }
             </form>';      }
         }       if ($found_file){
         if ($currentPath ne '/') {         $r->print('<font color="red"> Unable to create a directory named <strong>'.$newdir.
             $displayOut = $displayOut.'<hr />                 ' </strong>a file or directory by that name already exists.</font><br />');
             <form method="POST">      } else {
             <input type="hidden" name="selectfile"           my ($uname,$udom) = &get_name_dom($group);
             value="'.$currentFile.'" />          my $port_path = &get_port_path($group);
             <input type="hidden" name="fileaction" value="rename" />           my $result=&Apache::lonnet::mkdiruserfile($uname,$udom,
             <input type="hidden" name="currentpath" value="'.$currentPath.'" />            $port_path.$env{'form.currentpath'}.$newdir);
             <input type="input" name="filenewname" value="Type new name here" />           if ($result ne 'ok') {
             <input type="submit"          $r->print('<font color="red"> An errror occured ('.$result.
             value="Rename '.$currentFile.'" />            ') while trying to create a new directory '.&display_file().'</font><br />');
             </form>';          }
         }      }
     }else{  #action options offered for files      if ($newdir ne $env{'form.newdir'}) {
         $displayOut = $displayOut.'<form method="POST">';          $r->print("The new directory name was changed from:<br /><strong>".$env{'form.newdir'}."</strong> to <strong>$newdir </strong>");  
         $displayOut = $displayOut.'<input type="hidden" name="selectfile"';      }
         $displayOut = $displayOut.'value="'.$currentFile;      $r->print(&done(undef,$url,$group));
         $displayOut = $displayOut.'" /><input type="hidden" name="fileaction" value="delete" />   }
         <input type="hidden" name="currentpath" value="'.$currentPath.'" />   
         <center>  sub get_portfolio_root {
         <input type="submit"      my ($group) = @_;
         value="Delete '.$currentFile.'" />      my ($portfolio_root,$udom,$uname,$path);
         </center>      ($uname,$udom) = &get_name_dom($group);
         </form>';      if (defined($group)) {
               $path = '/userfiles/groups/'.$group.'/portfolio';
         $displayOut = $displayOut.'<hr />      } else {
         <form method="POST">          $path = '/userfiles/portfolio';
         <input type="hidden" name="selectfile"       }
         value="'.$currentFile.'" />      return (&Apache::loncommon::propath($udom,$uname).$path);
         <input type="hidden" name="fileaction" value="rename" />   }
         <input type="hidden" name="currentpath" value="'.$currentPath.'" />   
         <input type="input" name="filenewname" value="Type new name here" />   sub get_dir_list {
         <input type="submit"       my ($portfolio_root,$group) = @_;
         value="Rename '.$currentFile.'" />      my ($uname,$udom) = &get_name_dom($group);
         </form>      return &Apache::lonnet::dirlist($env{'form.currentpath'},
         <hr />';                                            $udom,$uname,$portfolio_root);
     }  }
     $displayOut = $displayOut.'<hr />Add a file to '.$currentPath;  
     # file upload form   sub get_name_dom {
     $displayOut = $displayOut.'<form method="post" enctype="multipart/form-data">';      my ($group) = @_;
     $displayOut = $displayOut.'<input name="uploaddoc" type="file" />'.      my ($uname,$udom);
         '<input type="hidden" name="currentpath" value="'.$currentPath.'" />'.      if (defined($group)) {
         '<input type="submit" name="storeupl" value="Upload" />'.          $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
         '</form><hr />';          $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
     $displayOut = $displayOut.'<form method="POST">      } else {
         <input name="subdir" type="text" />          $udom = $env{'user.domain'};
         <input type="submit" value="Create Subdirectory" />          $uname = $env{'user.name'};
         </form>      }
             ';      return ($uname,$udom);
     return $displayOut;  
 }  }
   
   sub prepend_group {
       my ($filename,$group) = @_;
       if (defined($group)) {
           $filename = $group.'/'.$filename;
       }
       return $filename;
   }
   
   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 {  sub handler {
     # this handles file management      # this handles file management
     my $r = shift;      my $r = shift;
     my @dirList; # will hold directory listing as array  
     my $udir; # returned from home server  
     my $currentPath; # path assuming /userfiles/portfolio/ as root  
     my $currentFile; # directory or file contained in $pathToRoot.$currentPath  
     my $action; # delete, rename, makedirectory, removedirectory,  
     my $filenewname; # for rename action (guess what we do with it!)  
     my $isFile;  
     my $isDir;  
     my $isEmpty;  
     # send header  
     # FIXME need to start using  
     &Apache::loncommon::no_cache($r);  
     &Apache::loncommon::content_type($r, 'text/html');  
     &Apache::loncommon::bodytag('Portfolio Managment', 'bgcolor="dogfood"');  
     $r->send_http_header;  
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['selectfile','currentpath', 'currentfile']);           ['selectfile','currentpath','meta','lockinfo','currentfile',
     # currentPath and currentFile need to be set for the rest of things to happen    'action','fieldname','mode','rename','continue','group','access']);
     # sometimes, currentFile will be passed by a form field, selectedfile      my ($uname,$udom,$portfolio_root,$url,$group,$caller,$title);
     # if there is no 'form.selectedfile' then the current directory is       if ($r->uri =~ m|^(/adm/)([^/]+)|) {
     # considered as selected           $url = $1.$2;
     if ($ENV{'form.currentpath'}) {          $caller = $2;
         $currentPath = $ENV{'form.currentpath'};      }
     } else {      if ($caller eq 'coursegrp_portfolio') {
         $currentPath = '/';      #  Needs to be in a course
     }          if (! ($env{'request.course.fn'})) {
     if ($ENV{'form.selectfile'}) {          # Not in a course
         # have to check if the selected file is a subdirectory              $env{'user.error.msg'}=
         if ($ENV{'form.selectfile'} =~ /-\(Dir\)/){       "/adm/coursegrp_portfolio:rgf:0:0:Cannot view group portfolio";
             # $currentPath =~ /\-\(Dir\)/;              return HTTP_NOT_ACCEPTABLE;
             $currentPath = $`.'/';          }
             $r->print('<br />'.$currentPath.'<br />');          my $earlyout = 0;
         }          my $view_permission = &Apache::lonnet::allowed('vcg',
         $currentFile = $ENV{'form.selectfile'};                                                  $env{'request.course.id'});
     } else {          $group = $env{'form.group'};
         $currentFile = '';          $group =~ s/\W//g;
     }          if ($group) {
     # if we're uploading a file, we need to do it early so it will show in the directory list              ($uname,$udom) = &get_name_dom($group);
     if ($ENV{'form.uploaddoc.filename'}) {              my %curr_groups = &Apache::longroup::coursegroups($udom,$uname,
         $r->print($ENV{'form.storeupl'}.'<br />');         $group); 
         $r->print(&Apache::lonnet::userfileupload('uploaddoc','','portfolio'.$currentPath).'<br />');                if (%curr_groups) {
     }                  if (($view_permission) || (&Apache::lonnet::allowed('rgf',
     # similarly, we need to delete or rename files before getting directory list                                        $env{'request.course.id'}.'/'.$group))) {
     if ($ENV{'form.selectfile'}){                      $portfolio_root = &get_portfolio_root($group);
         if ($ENV{'form.fileaction'} eq 'delete') {                  } else {
             $r->print('<br />trying to delete '.$currentPath.$ENV{'form.selectfile'}.'<br />');                      $r->print('You do not have the privileges required to access the shared files space for this group');
             $r->print(&Apache::lonnet::removeuserfile($ENV{'user.name'}, $ENV{'user.domain'},'portfolio'.$currentPath.$ENV{'form.selectfile'}));                      $earlyout = 1;
             $currentFile = '';                  }
         } elsif ($ENV{'form.fileaction'} eq 'rename') {              } else {
             &Apache::lonnet::portfoliomanage($currentPath.$ENV{'form.selectfile'}, 'rename', $currentPath.$ENV{'form.filenewname'} );                  $r->print('Not a valid group for this course');
         }                  $earlyout = 1;
     }              }
     # we always need $dirList, plus this will return information about the current file              $title = &mt('Group files').' for '.$group; 
     # as well as information about he home server directory structure, specifically  
     # the path to the users userfiles directory.      
  my $list = &Apache::lonnet::portfoliolist($currentPath, $currentFile);  
  @dirList = split(/:/,$list);  
     if (@dirList == 2){ # need to know if directory is empty to it can be removed if desired  
         $isEmpty = 1;  
     }else{  
         $isEmpty = 0;  
     }  
     # Stuff to maintain proper setting for selected file  
     if ($ENV{'form.selectfile'}) {  
         if ($ENV{'form.fileaction'} eq 'delete') {  
             &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'delete', undef );  
             $ENV{'portfolio.file'} = 'Selected File Deleted';  
         } elsif ($ENV{'form.fileaction'} eq 'rename') {  
             &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'rename', $ENV{'form.filenewname'});  
         } else {          } else {
         # Remember user's file selection for later              $r->print('Invalid group');
         $ENV{'portfolio.file'} = $ENV{'form.selectfile'};              $earlyout = 1;
         # offer things user can do with selected file          }
         }          if ($earlyout) { return OK; }
     }else{      } else {
         unless ($ENV{'portfolio.file'}){          ($uname,$udom) = &get_name_dom();
             $ENV{'portfolio.file'} = 'No File Selected';          $portfolio_root = &get_portfolio_root();
         }          $title = &mt('Portfolio Manager');
     }      }
     ##############################  
     #      &Apache::loncommon::no_cache($r);
     # Display begins here      &Apache::loncommon::content_type($r,'text/html');
     #      $r->send_http_header;
     ##############################      # Give the LON-CAPA page header
     $r->print('<table border=1><tr><td>');      if ($env{"form.mode"} eq 'selectfile'){
     $r->print(displayDirectory($currentPath, $currentFile, $isDir, @dirList));          $r->print(&Apache::loncommon::start_page($title,undef,
     $r->print('</td>><td>');   {'only_body' => 1}));
     $r->print(displayActions($currentPath, $currentFile, $isDir, $isEmpty));      } else {
     $r->print('</td>></tr></table>');          $r->print(&Apache::loncommon::start_page($title));
     $r->print('</blockquote></body>');      }
       $r->rflush();
    if (($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,$udom,
          &get_port_path($group));
       } 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;      return OK;
 }  }
   
 1;  1;
 __END__  __END__
Removed from v.1.11  
changed lines
  Added in v.1.102

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