[LON-CAPA-cvs] cvs: loncom /interface portfolio.pm

albertel lon-capa-cvs@mail.lon-capa.org
Wed, 19 Jul 2006 14:57:18 -0000


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--albertel1153321038
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albertel		Wed Jul 19 10:57:18 2006 EDT

  Modified files:              
    /loncom/interface	portfolio.pm 
  Log:
  - eliminate the refarg passing
  
  
--albertel1153321038
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Content-Disposition: attachment; filename="albertel-20060719105718.txt"

Index: loncom/interface/portfolio.pm
diff -u loncom/interface/portfolio.pm:1.136 loncom/interface/portfolio.pm:1.137
--- loncom/interface/portfolio.pm:1.136	Wed Jul 19 07:43:47 2006
+++ loncom/interface/portfolio.pm	Wed Jul 19 10:57:18 2006
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # portfolio browser
 #
-# $Id: portfolio.pm,v 1.136 2006/07/19 11:43:47 raeburn Exp $
+# $Id: portfolio.pm,v 1.137 2006/07/19 14:57:18 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -40,36 +40,47 @@
 use HTML::Entities;
 use LONCAPA;
 
+sub group_args {
+    my $output;
+    if (defined($env{'form.group'})) {
+        $ouput .= '&group='.$env{'form.group'};
+	if (defined($env{'form.ref'})) {
+	    $output .= '&ref='.$env{'form.ref'};
+	}
+    }
+    return $output;
+}
+
+sub group_form_data {
+    my $output;
+    if (defined($env{'form.group'})) {
+	$ouput = '<input type="hidden" name="group" value="'.$env{'form.group'}.'" />';
+	if (exists($env{'form.ref'})) {
+	    $output .= '<input type="hidden" name="ref" value="'.
+		$env{'form.ref'}.'" />';
+	}
+    }
+} 
+
 # receives a file name and path stub from username/userfiles/portfolio/
 # returns an anchor tag consisting encoding filename and currentpath
 sub make_anchor {
     my ($url, $filename, $current_path, $current_mode, $field_name,
-        $continue_select,$group,$refarg) = @_;
+        $continue_select) = @_;
     if ($continue_select ne 'true') {$continue_select = 'false'};
     my $anchor = '<a href="'.$url.'?selectfile='.$filename.'&amp;currentpath='.$current_path.'&amp;mode='.$current_mode.'&amp;continue='.$continue_select.'&amp;fieldname='.$field_name;
-    if (defined($group)) {
-        $anchor .= '&amp;group='.$group;
-        if ($refarg ne '') {
-            $anchor .= '&amp;'.$refarg;
-        }
-    }
+    $anchor .= &group_args()
     $anchor .= '">'.$filename.'</a>';
     return $anchor;
 }
 my $dirptr=16384;
 sub display_common {
-    my ($r,$url,$current_path,$is_empty,$dir_list,$group,$can_upload,$refarg)=@_;
+    my ($r,$url,$current_path,$is_empty,$dir_list,$can_upload)=@_;
     my $namespace = &get_namespace($group);
     my $port_path = &get_port_path($group);
     if ($can_upload) {
-        my $groupitem;
-        if (defined($group)) {
-            $groupitem = '<input type="hidden" name="group" value="'.$group.'" />';
-            if (exists($env{'form.ref'})) {
-                $groupitem .= '<input type="hidden" name="ref" value="'.
-                              $env{'form.ref'}.'" />';
-            }
-        } 
+        my $groupitem = &group_form_data();
+
         my $iconpath= $r->dir_config('lonIconsURL') . "/";
         my %text=&Apache::lonlocal::texthash(
 					 'upload' => 'Upload',
@@ -116,53 +127,49 @@
 TABLE
     }
     my @tree = split (/\//,$current_path);
-    $r->print('<span class="LC_current_location">'.&make_anchor($url,$port_path,'/',$env{"form.mode"},$env{"form.fieldname"},$env{"form.continue"},$group,$refarg).'/');
+    $r->print('<span class="LC_current_location">'.&make_anchor($url,$port_path,'/',$env{"form.mode"},$env{"form.fieldname"},$env{"form.continue"}).'/');
     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,$refarg).'/');
+            $r->print(&make_anchor($url,$tree[$i],'/'.$newCurrentPath, $env{"form.mode"},$env{"form.fieldname"}, $env{"form.continue"}).'/');
         }
     }
     $r->print('</span>');
     &Apache::lonhtmlcommon::store_recent($namespace,$current_path,$current_path);
-    $r->print('<br /><form method="post" action="'.$url.'?mode='.$env{"form.mode"}.'&amp;fieldname='.$env{"form.fieldname"});
-    if (defined($group)) {
-        $r->print('&amp;group='.$group);
-        if ($refarg ne '') {
-            $r->print('&amp;'.$refarg);
-        }
-    }
+    $r->print('<br /><form method="post" action="'.$url.'?mode='.$env{"form.mode"}.'&amp;fieldname='.$env{"form.fieldname"}.&group_args());
     $r->print('">'.
 	      &Apache::lonhtmlcommon::select_recent($namespace,'currentpath',
 						    'this.form.submit();'));
     $r->print("</form>");
 }
+
 sub display_directory_line {
-    my ($r,$select_mode,$fullpath, $filename, $mtime, $size, $css_class, $line, $access_controls, $curr_access,
-            $now, $version_flag, $href_location, $url, $current_path, $groupecho, $access_admin_text)=@_;
+    my ($r,$select_mode,$fullpath, $filename, $mtime, $size, $css_class,
+	$line, $access_controls, $curr_access, $now, $version_flag,
+	$href_location, $url, $current_path, $access_admin_text)=@_;
     # my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
-		$r->print('<tr class="'.$css_class.'">');
-		$r->print($line);
-		$r->print('<td><img alt="" src="'.&Apache::loncommon::icon($filename).'" /></td>');
-		$r->print('<td>'.$$version_flag{$filename}.'<a href="'.$href_location.$filename.'">'.
-			  $filename.'</a></td>'); 
-		$r->print('<td>'.$size.'</td>');
-		$r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
-		if ($select_mode ne 'true') {
-		    $r->print('<td><span style="white-space: nowrap">'.
-			      &mt($curr_access).'&nbsp;&nbsp;&nbsp;');
-		    $r->print('<a href="'.$url.'?access='.$filename.
-			      '&amp;currentpath='.$current_path.$groupecho.
-			      '">'.$access_admin_text.'</a></span></td>');
-		}
-		$r->print('</tr>'.$/);
+    $r->print('<tr class="'.$css_class.'">');
+    $r->print($line);
+    $r->print('<td><img alt="" src="'.&Apache::loncommon::icon($filename).'" /></td>');
+    $r->print('<td>'.$$version_flag{$filename}.'<a href="'.$href_location.$filename.'">'.
+	      $filename.'</a></td>'); 
+    $r->print('<td>'.$size.'</td>');
+    $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
+    if ($select_mode ne 'true') {
+	$r->print('<td><span style="white-space: nowrap">'.
+		  &mt($curr_access).'&nbsp;&nbsp;&nbsp;');
+	$r->print('<a href="'.$url.'?access='.$filename.
+		  '&amp;currentpath='.$current_path.&group_args().
+		  '">'.$access_admin_text.'</a></span></td>');
+    }
+    $r->print('</tr>'.$/);
 }
+
 sub display_directory {
-    my ($r,$url,$current_path,$is_empty,$dir_list,$group,$can_upload,
-        $can_modify,$can_delete,$can_setacl,$refarg)=@_;
+    my ($r,$url,$current_path,$is_empty,$dir_list,$can_upload,
+        $can_modify,$can_delete,$can_setacl)=@_;
     my $iconpath= $r->dir_config('lonIconsURL') . "/";
-    my ($groupitem,$groupecho);
     my $display_out;
     my $select_mode;
     my $checked_files;
@@ -172,16 +179,6 @@
     if ($can_setacl) {
         $access_admin_text = &mt('View/Change Status');
     }
-    if ((defined($group)) && (defined($env{'request.course.id'}))) {
-       $groupitem = '<input type="hidden" name="group" value="'.$group.'" />';
-       $groupecho = '&amp;group='.$group;
-       if ($refarg ne '') {
-           $groupecho .= '&amp;'.$refarg;
-       }
-       if (exists($env{'form.ref'})) {
-           $groupitem .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
-       } 
-    }
 
     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                         $uname);
@@ -195,7 +192,8 @@
 	$select_mode = 'true';
     } 
     if ($is_empty && ($current_path ne '/') && $can_delete) {
-        $display_out = '<form method="post" action="'.$url.'">'.$groupitem.
+        $display_out = '<form method="post" action="'.$url.'">'.
+	    &group_form_data().
         '<input type="hidden" name="action" value="deletedir" />'.
         '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
         '<input type="hidden" name="selectfile" value="" />'.
@@ -214,9 +212,8 @@
         $r->print('<table id="LC_browser">'.
             '<tr><th colspan="2">Actions</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th><th>Current Access Status</th></tr>');
     }
-    if (defined($group)) {
-        $r->print("\n".$groupitem."\n");
-    }
+    $r->print("\n".&group_form_data()."\n");
+
     my $href_location="/uploaded/$udom/$uname/$port_path".$current_path;
     my $href_edit_location="/editupload/$udom/$uname/$port_path".$current_path;
     my @dir_lines;
@@ -265,7 +262,7 @@
                 }
 		$r->print('<tr class="LC_browser_folder"><td '.$colspan.'><img alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_closed.gif" /></td>');
                 $r->print('<td>Go to ...</td>');
-                $r->print('<td>'.$version_flag{$filename}.&make_anchor($url,$filename.'/',$current_path.$filename.'/',$env{'form.mode'},$env{"form.fieldname"},$env{'form.continue'},$group,$refarg).'/</td>'); 
+                $r->print('<td>'.$version_flag{$filename}.&make_anchor($url,$filename.'/',$current_path.$filename.'/',$env{'form.mode'},$env{"form.fieldname"},$env{'form.continue'}).'/</td>'); 
                 $r->print('</tr>'); 
             } else {
 		my $css_class = 'LC_browser_file';
@@ -280,7 +277,7 @@
 		    $line.=' /></td>';
                 } else {
                     if (exists $locked_files{$fullpath}) {
-                        $line.='<td colspan="2"><a href="'.$url.'?lockinfo='.$current_path.$filename.$groupecho.'">Locked</a></td>';
+                        $line.='<td colspan="2"><a href="'.$url.'?lockinfo='.$current_path.$filename.&group_args().'">Locked</a></td>';
 			$css_class= 'LC_browser_file_locked';
                     } else {
                         if (!$can_modify) {
@@ -294,7 +291,7 @@
                         if ($can_modify) {
                             my $cat='<img alt="'.&mt('Catalog Information').
                             '" src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').'" />';
-                            $line .= '<a href="'.$url.'?rename='.$filename.'&amp;currentpath='.$current_path.$groupecho.'">Rename</a>';
+                            $line .= '<a href="'.$url.'?rename='.$filename.'&amp;currentpath='.$current_path.&group_args().'">Rename</a>';
                             $line .= '</td><td>'.$version_flag{$filename}.'<a href="'.$href_edit_location.$filename.'.meta">'.$cat.'</a>';
                         }
                         $line .= '</td>';
@@ -334,7 +331,7 @@
 		    }
 		}
                 &display_directory_line($r,$select_mode,$fullpath, $filename, $mtime, $size, $css_class, $line, \%access_controls, $curr_access,
-                        $now, \%version_flag, $href_location, $url, $current_path, $groupecho, $access_admin_text);
+                        $now, \%version_flag, $href_location, $url, $current_path, $access_admin_text);
 #		$r->print('<tr class="'.$css_class.'">');
 #		$r->print($line);
 #		$r->print('<td><img alt="" src="'.&Apache::loncommon::icon($filename).'" /></td>');
@@ -346,13 +343,13 @@
 #		    $r->print('<td><span style="white-space: nowrap">'.
 #			      &mt($curr_access).'&nbsp;&nbsp;&nbsp;');
 #		    $r->print('<a href="'.$url.'?access='.$filename.
-#			      '&amp;currentpath='.$current_path.$groupecho.
+#			      '&amp;currentpath='.$current_path.&group_args().
 #			      '">'.$access_admin_text.'</a></span></td>');
 #		}
 #		$r->print('</tr>'.$/);
 		if ($show_versions) {
 		    &display_directory_line($r,$select_mode,$fullpath, $css_class, $line, \%access_controls, 
-                        $now, \%version_flag, $href_location, $url, $current_path, $groupecho, $access_admin_text);
+                        $now, \%version_flag, $href_location, $url, $current_path, $access_admin_text);
 
 		}
             }
@@ -396,35 +393,20 @@
 }
 
 sub close_form {
-    my ($r,$url,$group,$button_text)=@_;
+    my ($r,$url,$button_text)=@_;
     if (!defined($button_text)) {
         $button_text = {
                          'continue' => &mt('Continue'),
                          'cancel'   => &mt('Cancel'),
                        };
     }
-    $r->print('<p><input type="submit" value="'.$button_text->{'continue'}.'" />');
-    if (defined($group)) {
-       $r->print("\n".'<input type="hidden" name="group" value="'.
-              $group.'" />');
-       if (exists($env{'form.ref'})) {
-           $r->print("\n".'<input type="hidden" name="ref" value="'.
-                     $env{'form.ref'}.'" />');
-       }
-    }
-    $r->print('</p></form>');
+    $r->print('<p><input type="submit" value="'.$button_text->{'continue'}.'" />')
+    $r->print(&group_form_data().'</p></form>');
     $r->print('<form action="'.$url.'" method="post">
                <p>
               <input type="hidden" name="currentpath" value="'.
-	      $env{'form.currentpath'}.'" />');
-    if (defined($group)) {
-       $r->print("\n".'<input type="hidden" name="group" value="'.
-                 $group.'" />');
-       if (exists($env{'form.ref'})) {
-           $r->print("\n".'<input type="hidden" name="ref" value="'.
-                     $env{'form.ref'}.'" />');
-       }
-    }
+	      $env{'form.currentpath'}.'" />'.
+	      &group_form_data());
     $r->print("\n".'   <input type="submit" value="'.$button_text->{'cancel'}.'" />
                </p></form>'); 
 }
@@ -451,26 +433,21 @@
 }
 
 sub done {
-    my ($message,$url,$group,$refarg)=@_;
+    my ($message,$url)=@_;
     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)) {
-        $result .= '&amp;group='.$group;
-        if ($refarg ne '') {
-            $result .= '&amp;'.$refarg;
-        }
-    }
+	         '&mode='.$env{'form.mode'}.
+		 &group_args();
     $result .= '">'.&mt($message).'</a></h3>';
     return $result;
 }
 
 sub delete {
-    my ($r,$url,$group,$refarg)=@_;
+    my ($r,$url,$group)=@_;
     my @check;
     my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
     $file_name = &prepend_group($file_name,$group);
@@ -478,21 +455,21 @@
     my ($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,$group,$refarg));
+        $r->print(&done('Back',$url));
     } else {
         if (scalar(@files)) {
             &open_form($r,$url);
             $r->print('<p>'.&mt('Delete').' '.&display_file(undef,\@files).'?</p>');
-            &close_form($r,$url,$group);
+            &close_form($r,$url);
         } else {
             $r->print("No file was checked to delete.<br />");
-            $r->print(&done(undef,$url,$group,$refarg));
+            $r->print(&done(undef,$url));
         }
     }
 } 
 
 sub delete_confirmed {
-    my ($r,$url,$group,$refarg)=@_;
+    my ($r,$url,$group)=@_;
     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
     my $result;
     my ($uname,$udom) = &get_name_dom($group);
@@ -506,18 +483,18 @@
 		  ') while trying to delete '.&display_file(undef, $delete_file).'</span><br />');
         }
     }
-    $r->print(&done(undef,$url,$group,$refarg));
+    $r->print(&done(undef,$url));
 }
 
 sub delete_dir {
-    my ($r,$url,$group)=@_;
+    my ($r,$url)=@_;
     &open_form($r,$url);
     $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
-    &close_form($r,$url,$group);
+    &close_form($r,$url);
 } 
 
 sub delete_dir_confirmed {
-    my ($r,$url,$group,$refarg)=@_;
+    my ($r,$url,$group)=@_;
     my $directory_name = $env{'form.currentpath'};
     $directory_name =~ s|/$||; # remove any trailing slash
     my ($uname,$udom) = &get_name_dom($group);
@@ -542,27 +519,27 @@
         }
         $env{'form.currentpath'} = $directory_name;
     }
-    $r->print(&done(undef,$url,$group,$refarg));
+    $r->print(&done(undef,$url));
 }
 
 sub rename {
-    my ($r,$url,$group,$refarg)=@_;
+    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,$group,$refarg));
+        $r->print(&done(undef,$url));
     } else {
         &open_form($r,$url);
         $r->print('<p>'.&mt('Rename').' '.&display_file().' to 
                    <input name="filenewname" type="input" size="50" />?</p>');
-        &close_form($r,$url,$group);
+        &close_form($r,$url);
     }
 }
 
 sub rename_confirmed {
-    my ($r,$url,$group,$refarg)=@_;
+    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);
@@ -570,7 +547,7 @@
 	$r->print('<span class="LC_error">'.
 		  &mt("Error: no valid filename was provided to rename to.").
 		  '</span><br />');
-	$r->print(&done(undef,$url,$group,$refarg));
+	$r->print(&done(undef,$url));
 	return;
     } 
     my $result=
@@ -588,11 +565,11 @@
 		      '<strong>'.&display_file('',$env{'form.filenewname'}).'</strong>',
 		      '<strong>'.&display_file('',$filenewname).'</strong>'));
     }
-    $r->print(&done(undef,$url,$group,$refarg));
+    $r->print(&done(undef,$url));
 }
 
 sub display_access {
-    my ($r,$url,$group,$can_setacl,$port_path,$refarg) = @_;
+    my ($r,$url,$group,$can_setacl,$port_path) = @_;
     my ($uname,$udom) = &get_name_dom($group);
     my $file_name = $env{'form.currentpath'}.$env{'form.access'};
     $file_name = &prepend_group($file_name,$group);
@@ -610,19 +587,18 @@
                         'continue' => &mt('Proceed'),
                         'cancel' => &mt('Back to directory listing'),
                       };
-        &close_form($r,$url,$group,$button_text);
+        &close_form($r,$url,$button_text);
     } else {
         $r->print($header);
         if ($aclcount) {  
             $r->print($info);
         }
-        &view_access_settings($r,$url,$group,$access_controls{$file_name},
-                              $aclcount,$refarg);
+        &view_access_settings($r,$url,$access_controls{$file_name},$aclcount);
     }
 }
 
 sub view_access_settings {
-    my ($r,$url,$group,$access_controls,$aclcount,$refarg) = @_;
+    my ($r,$url,$access_controls,$aclcount) = @_;
     my ($showstart,$showend);
     my %todisplay;
     foreach my $key (sort(keys(%{$access_controls}))) {
@@ -643,15 +619,8 @@
     } else {
         $r->print(&mt('No access control settings currently exist for this file.<br />' ));
     }
-    my $group_arg;
-    if ($group) {
-        $group_arg = '&amp;group='.$group;
-        if ($refarg ne '') {
-            $group_arg .= '&amp;'.$refarg;
-        }
-    }
     $r->print('<br /><a href="'.$url.'?currentpath='.$env{'form.currentpath'}.
-              $group_arg.'">'.&mt('Return to directory listing').'</a>');
+              &group_args().'">'.&mt('Return to directory listing').'</a>');
     return;
 }
 
@@ -759,7 +728,7 @@
 
 
 sub update_access {
-    my ($r,$url,$group,$port_path,$refarg) = @_;
+    my ($r,$url,$group,$port_path) = @_;
     my $totalprocessed = 0;
     my %processing;
     my %title  = (
@@ -873,21 +842,14 @@
                                     $access_controls{$file_name},$now,$then);
             }
         }
-        &close_form($r,$url,$group);
+        &close_form($r,$url);
     } else {
-        my $group_arg;
-        if ($group) {
-            $group_arg = '&amp;group='.$group;
-            if ($refarg) {
-                $group_arg .= '&amp;'.$refarg;
-            }
-        }
         $r->print('<br /><a href="'.$url.'?access='.$env{'form.selectfile'}.
                   '&amp;currentpath='.$env{'form.currentpath'}.$group_arg.'">'.
                    &mt('Display all access settings for this file').'</a>'.
                   '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.
                   '<a href="'.$url.'?currentpath='.$env{'form.currentpath'}.
-                  $group_arg.'">'.&mt('Return to directory listing').'</a>');
+                  &group_args().'">'.&mt('Return to directory listing').'</a>');
     }
     return;
 }
@@ -1500,7 +1462,7 @@
     }
 }
 sub upload {
-    my ($r,$url,$group,$refarg)=@_;
+    my ($r,$url,$group)=@_;
     my $fname=$env{'form.uploaddoc.filename'};
     my $filesize = (length($env{'form.uploaddoc'})) / 1000; #express in k (1024?)
     my $disk_quota = 20000; # expressed in k
@@ -1539,17 +1501,17 @@
     if (($current_disk_usage + $filesize) > $disk_quota){
         $r->print('<span class="LC_error">Unable to upload <strong>'.$fname.' (size = '.$filesize.' kilobytes)</strong>. Disk quota will be exceeded.</span>'.
                   '<br />Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.');
-        $r->print(&done('Back',$url,$group,$refarg));
+        $r->print(&done('Back',$url));
     } 
     elsif ($found_file){
         if ($locked_file){
             $r->print('<span class="LC_error">'.'Unable to upload <strong>'.$fname.'</strong>, a <strong>locked</strong> file by that name was found in <strong>'.$port_path.$env{'form.currentpath'}.'</strong></span>'.
                   '<br />You will be able to rename or delete existing '.$fname.' after a grade has been assigned.');
-            $r->print(&done('Back',$url,$group,$refarg));      
+            $r->print(&done('Back',$url));      
         } else {   
             $r->print('<span class="LC_error">'.'Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>'.$port_path.$env{'form.currentpath'}.'</strong></span>'.
                   '<br />To upload, rename or delete existing '.$fname.' in '.$port_path.$env{'form.currentpath'});
-            $r->print(&done('Back',$url,$group,$refarg));
+            $r->print(&done('Back',$url));
         }
     } else {
         my $result=&Apache::lonnet::userfileupload('uploaddoc','',
@@ -1557,15 +1519,15 @@
         if ($result !~ m|^/uploaded/|) {
             $r->print('<span class="LC_error">'.'An errror occured ('.$result.
 	              ') while trying to upload '.&display_file().'</span><br />');
-	    $r->print(&done('Back',$url,$group,$refarg));
+	    $r->print(&done('Back',$url));
         } else {
-            $r->print(&done(undef,$url,$group,$refarg));
+            $r->print(&done(undef,$url));
         }
     }
 }
 
 sub lock_info {
-    my ($r,$url,$group,$refarg) = @_;
+    my ($r,$url,$group) = @_;
     my ($uname,$udom) = &get_name_dom($group);
     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                        $uname);
@@ -1593,11 +1555,11 @@
             }
         }
     }
-    $r->print(&done('Back',$url,$group,$refarg));
+    $r->print(&done('Back',$url));
     return 'ok';
 }
 sub createdir {
-    my ($r,$url,$group,$refarg)=@_;
+    my ($r,$url,$group)=@_;
     my $newdir=&Apache::lonnet::clean_filename($env{'form.newdir'});
     if ($newdir eq '') {
     	$r->print('<span class="LC_error">'.
@@ -1631,13 +1593,13 @@
     if ($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,$group,$refarg));
+    $r->print(&done(undef,$url));
 }
 
 sub get_portfolio_root {
     my ($group) = @_;
-    my ($portfolio_root,$udom,$uname,$path);
-    ($uname,$udom) = &get_name_dom($group);
+    my ($uname,$udom) = &get_name_dom($group);
+    my $path;
     if (defined($group)) {
         $path = '/userfiles/groups/'.$group.'/portfolio';
     } else {
@@ -1713,7 +1675,7 @@
 }
 
 sub missing_priv {
-    my ($r,$url,$priv,$group,$refarg) = @_;
+    my ($r,$url,$priv,$group) = @_;
     my $longtext = {
                       upload => 'upload files',
                       delete => 'delete files',
@@ -1733,10 +1695,7 @@
                   $longtext->{$priv}));
     if ($group) {
         $r->print(&mt("in the group's file repository."));
-        $rtnlink .= '&amp;group='.$group;
-        if ($refarg ne '') {
-            $rtnlink .= '&amp;'.$refarg;
-        }
+        $rtnlink .= &group_args()
     } else {
         $r->print(&mt('in this portfolio.'));
     }
@@ -1747,21 +1706,21 @@
 }
 
 sub coursegrp_portfolio_header {
-    my ($cdom,$cnum,$group,$grp_desc,$refarg)=@_;
+    my ($cdom,$cnum,$grp_desc)=@_;
     my $gpterm  = &Apache::loncommon::group_term();
     my $ucgpterm = $gpterm;
     $ucgpterm =~ s/^(\w)/uc($1)/e;
-    if ($refarg) {
+    if ($env{'form.ref'}) {
         &Apache::lonhtmlcommon::add_breadcrumb
             ({href=>"/adm/coursegroups",
               text=>"Groups",
               title=>"Course Groups"});
     }
     &Apache::lonhtmlcommon::add_breadcrumb
-        ({href=>"/adm/$cdom/$cnum/$group/smppg?$refarg",
+        ({href=>"/adm/$cdom/$cnum/$group/smppg?ref=$env{'form.ref'}",
           text=>"$ucgpterm: $grp_desc",
           title=>"Go to group's home page"},
-         {href=>"/adm/coursegrp_portfolio?group=$group&amp;$refarg",
+         {href=>"/adm/coursegrp_portfolio?".&group_args(),
           text=>"Group Portfolio",
           title=>"Display group portfolio"});
     my $output = &Apache::lonhtmlcommon::breadcrumbs(
@@ -1782,7 +1741,7 @@
         $url = $1.$2;
         $caller = $2;
     }
-    my ($can_modify,$can_delete,$can_upload,$can_setacl,$refarg);
+    my ($can_modify,$can_delete,$can_upload,$can_setacl);
     if ($caller eq 'coursegrp_portfolio') {
     #  Needs to be in a course
         if (! ($env{'request.course.fn'})) {
@@ -1794,12 +1753,9 @@
         my $earlyout = 0;
         my $view_permission = 
            &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
-        $group = $env{'form.group'};
-        $group =~ s/\W//g;
+        $env{'form.group'} =~ s/\W//g;
+	my $group = $env{'form.group'};
         if ($group) {
-            if (exists($env{'form.ref'})) {
-                $refarg = 'ref='.$env{'form.ref'};
-            }
             ($uname,$udom) = &get_name_dom($group);
             my %curr_groups = &Apache::longroup::coursegroups($udom,$uname,
 							       $group); 
@@ -1879,79 +1835,79 @@
         &open_form($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);
+        &close_form($r,$url);
     }
     if ($env{'form.store'}) {
     }
 
     if ($env{'form.uploaddoc.filename'}) {
         if ($can_upload) {
-	    &upload($r,$url,$group,$refarg);
+	    &upload($r,$url,$group);
         } else {
             &missing_priv($r,$url,'upload',$group,$refarg),
         }
     } elsif ($env{'form.action'} eq 'delete' && $env{'form.confirmed'}) {
         if ($can_delete) {
-	    &delete_confirmed($r,$url,$group,$refarg);
+	    &delete_confirmed($r,$url,$group);
         } else {
-            &missing_priv($r,$url,'delete',$group,$refarg);
+            &missing_priv($r,$url,'delete',$group);
         }
     } elsif ($env{'form.action'} eq 'delete') {
         if ($can_delete) {
 	    &delete($r,$url,$group,$refarg);
         } else {
-            &missing_priv($r,$url,'delete',$group,$refarg);
+            &missing_priv($r,$url,'delete',$group);
         }
     } elsif ($env{'form.action'} eq 'deletedir' && $env{'form.confirmed'}) {
         if ($can_delete) {
-	    &delete_dir_confirmed($r,$url,$group,$refarg);
+	    &delete_dir_confirmed($r,$url,$group);
         } else {
-            &missing_priv($r,$url,'delete',$group,$refarg);
+            &missing_priv($r,$url,'delete',$group);
         }
     } elsif ($env{'form.action'} eq 'deletedir') {
         if ($can_delete) {
-	    &delete_dir($r,$url,$group);
+	    &delete_dir($r,$url);
         } else {
-            &missing_priv($r,$url,'delete',$group,$refarg);
+            &missing_priv($r,$url,'delete',$group);
         }
     } elsif ($env{'form.action'} eq 'rename' && $env{'form.confirmed'}) {
         if ($can_modify) {
-	    &rename_confirmed($r,$url,$group,$refarg);
+	    &rename_confirmed($r,$url,$group);
         } else {
-            &missing_priv($r,$url,'rename',$group,$refarg);
+            &missing_priv($r,$url,'rename',$group);
         }
     } elsif ($env{'form.rename'}) {
         $env{'form.selectfile'} = $env{'form.rename'};
         $env{'form.action'} = 'rename';
         if ($can_modify) {
-	    &rename($r,$url,$group,$refarg);
+	    &rename($r,$url,$group);
         } else {
-            &missing_priv($r,$url,'rename',$group,$refarg);
+            &missing_priv($r,$url,'rename',$group);
         }
     } elsif ($env{'form.access'}) {
         $env{'form.selectfile'} = $env{'form.access'};
         $env{'form.action'} = 'chgaccess';
-        &display_access($r,$url,$group,$can_setacl,$port_path,$refarg);
+        &display_access($r,$url,$group,$can_setacl,$port_path);
     } elsif ($env{'form.action'} eq 'chgaccess') {
         if ($can_setacl) {
-            &update_access($r,$url,$group,$port_path,$refarg);
+            &update_access($r,$url,$group,$port_path);
         } else {
-            &missing_priv($r,$url,'setacl',$group,$refarg);
+            &missing_priv($r,$url,'setacl',$group);
         }
     } elsif ($env{'form.action'} eq 'rolepicker') {
         if ($can_setacl) { 
             &role_options_window($r);
         } else {
-            &missing_priv($r,$url,'setacl',$group,$refarg);
+            &missing_priv($r,$url,'setacl',$group);
         }
     } elsif ($env{'form.createdir'}) {
         if ($can_upload) {
-	    &createdir($r,$url,$group,$refarg);
+	    &createdir($r,$url,$group);
         } else {
-            &missing_priv($r,$url,'upload',$group,$refarg);
+            &missing_priv($r,$url,'upload',$group);
         }
     } elsif ($env{'form.lockinfo'}) {
-        &lock_info($r,$url,$group,$refarg);
+        &lock_info($r,$url,$group);
     } else {
 	my $current_path='/';
 	if ($env{'form.currentpath'}) {
@@ -1959,8 +1915,7 @@
 	}
         if ($caller eq 'coursegrp_portfolio') {
             &Apache::lonhtmlcommon::clear_breadcrumbs();
-            $r->print(&coursegrp_portfolio_header($udom,$uname,$group,$grp_desc,
-                                                  $refarg));
+            $r->print(&coursegrp_portfolio_header($udom,$uname,$grp_desc));
         }
         my @dir_list=&get_dir_list($portfolio_root,$group);
 	if ($dir_list[0] eq 'no_such_dir'){
@@ -1983,11 +1938,10 @@
         }
 	# 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,
-                        $can_upload,$refarg);
-        &display_directory($r,$url,$current_path,$is_empty,\@dir_list,$group,
-                           $can_upload,$can_modify,$can_delete,$can_setacl,
-                           $refarg);
+	&display_common($r,$url,$current_path,$is_empty,\@dir_list,
+			$can_upload);
+        &display_directory($r,$url,$current_path,$is_empty,\@dir_list,
+                           $can_upload,$can_modify,$can_delete,$can_setacl);
 	$r->print(&Apache::loncommon::end_page());
     }
     return OK;

--albertel1153321038--