--- loncom/interface/portfolio.pm	2006/07/02 23:15:47	1.127
+++ loncom/interface/portfolio.pm	2007/06/11 20:56:38	1.181
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # portfolio browser
 #
-# $Id: portfolio.pm,v 1.127 2006/07/02 23:15:47 albertel Exp $
+# $Id: portfolio.pm,v 1.181 2007/06/11 20:56:38 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -36,32 +36,56 @@ use Apache::lonfeedback;
 use Apache::lonlocal;
 use Apache::lonnet;
 use Apache::longroup;
+use Apache::lonhtmlcommon;
 use HTML::Entities;
 use LONCAPA;
 
+sub group_args {
+    my $output;
+    if (defined($env{'form.group'})) {
+        $output .= '&group='.$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'})) {
+	$output = '<input type="hidden" name="group" value="'.$env{'form.group'}.'" />';
+	if (exists($env{'form.ref'})) {
+	    $output .= '<input type="hidden" name="ref" value="'.
+		$env{'form.ref'}.'" />';
+	}
+    }
+    return $output;
+} 
+
 # receives a file name and path stub from username/userfiles/portfolio/
 # returns an anchor tag consisting encoding filename and currentpath
 sub make_anchor {
-    my ($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='.$filename.'&amp;currentpath='.$current_path.'&amp;mode='.$current_mode.'&amp;continue='.$continue_select.'&amp;fieldname='.$field_name;
-    if (defined($group)) {
-        $anchor .= '&amp;group='.$group;
-    }
-    $anchor .= '">'.$filename.'</a>';
+    my ($url, $anchor_fields, $inner_text) = @_;
+    if ($$anchor_fields{'continue'} ne 'true') {$$anchor_fields{'continue'} = 'false'};
+    my $anchor = '<a href="'.$url.'?';
+    foreach my $field_name (keys(%$anchor_fields)) {
+        $anchor .= $field_name.'='.$$anchor_fields{$field_name}.'&amp;';
+    }
+    $anchor =~ s/&amp;$//;
+    $anchor .= &group_args();
+    $anchor .= '">'.$inner_text.'</a>';
     return $anchor;
 }
+
 my $dirptr=16384;
 sub display_common {
-    my ($r,$url,$current_path,$is_empty,$dir_list,$group,$can_upload)=@_;
-    my $namespace = &get_namespace($group);
-    my $port_path = &get_port_path($group);
+    my ($r,$url,$current_path,$is_empty,$dir_list,$can_upload)=@_;
+    my $namespace = &get_namespace();
+    my $port_path = &get_port_path();
     if ($can_upload) {
-        my $groupitem;
-        if (defined($group)) {
-            $groupitem = '<input type="hidden" name="group" value="'.$group.'" />';
-        } 
+        my $groupitem = &group_form_data();
+
         my $iconpath= $r->dir_config('lonIconsURL') . "/";
         my %text=&Apache::lonlocal::texthash(
 					 'upload' => 'Upload',
@@ -71,6 +95,12 @@ sub display_common {
 					 'createdir_label' => 
 					 'Create subdirectory in current directory:');
         my $escuri = &HTML::Entities::encode($r->uri,'&<>"');
+	my $help_fileupload = &Apache::loncommon::help_open_topic('Portfolio AddFiles');
+	my $help_createdir = &Apache::loncommon::help_open_topic('Portfolio CreateDirectory');
+		
+	# FIXME: This line should be deleted once Portfolio uses breadcrumbs
+	$r->print(&Apache::loncommon::help_open_topic('Portfolio About', 'Help on the portfolio'));
+
         $r->print(<<"TABLE"); 
 <table id="LC_portfolio_actions">
   <tr id="LC_portfolio_upload">
@@ -85,7 +115,7 @@ sub display_common {
 	<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'}" />
+	<input type="submit" name="storeupl" value="$text{'upload'}" />$help_fileupload
       </form>
     </td>
   </tr>
@@ -100,7 +130,7 @@ sub display_common {
         <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'}" />
+        <input type="submit" name="createdir" value="$text{'createdir'}" />$help_createdir
       </form>
     </td>
   </tr>
@@ -108,43 +138,104 @@ sub display_common {
 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).'/');
+    my %anchor_fields = (
+        'selectfile'    => $port_path,
+        'currentpath'   => '/',
+        'mode'          => $env{"form.mode"},
+        'fieldname'     => $env{"form.fieldname"},
+        'continue'      => $env{"form.continue"}
+    );
+    $r->print('<span class="LC_current_location">'.&make_anchor($url,\%anchor_fields,$port_path).'/');
     if (@tree > 1){
-        my $newCurrentPath = '';
+        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).'/');
+            my %anchor_fields = (
+                'selectfile' => $tree[$i],
+                'currentpath' => $newCurrentPath,
+                'mode' => $env{"form.mode"},
+                'fieldname' => $env{"form.fieldname"},
+                'continue' => $env{"form.continue"}
+            );
+            $r->print(&make_anchor($url,\%anchor_fields,$tree[$i]).'/');
         }
     }
     $r->print('</span>');
+    $r->print(&Apache::loncommon::help_open_topic('Portfolio ChangeDirectory'));
     &Apache::lonhtmlcommon::store_recent($namespace,$current_path,$current_path);
-    $r->print('<br /><form method="post" action="'.$url.'?mode='.$env{"form.mode"}.'&amp;fieldname='.$env{"form.fieldname"});
-    if (defined($group)) {
-        $r->print('&amp;group='.$group);
-    }
+    $r->print('<br /><form method="post" action="'.$url.'?mode='.$env{"form.mode"}.'&amp;fieldname='.$env{"form.fieldname"}.&group_args());
     $r->print('">'.
 	      &Apache::lonhtmlcommon::select_recent($namespace,'currentpath',
 						    'this.form.submit();'));
     $r->print("</form>");
 }
+
+sub display_directory_line {
+    my ($r,$select_mode, $filename, $mtime, $size, $css_class,
+	$line, $access_controls, $curr_access, $now, $version_flag,
+	$href_location, $url, $current_path, $access_admin_text, $versions)=@_;
+
+    my $fullpath =  &prepend_group($current_path.$filename);
+    $r->print('<tr class="'.$css_class.'">');
+    $r->print($line); # contains first two cells of table
+    my $lock_info;
+    if ($version_flag) { # versioned can't be versioned, so TRUE when root file
+        $r->print('<td><img alt="" src="'.&Apache::loncommon::icon($filename).'" /></td>');
+        $r->print('<td>'.$version_flag.'</td>');
+    } else { # this is a graded or handed back file
+        my ($user,$domain) = &get_name_dom();
+        my $permissions_hash = &Apache::lonnet::get_portfile_permissions($domain,$user);
+        if (defined($$permissions_hash{$fullpath})) {
+            foreach my $array_item (@{$$permissions_hash{$fullpath}}) {
+                if (ref($array_item) eq 'ARRAY') {
+                    if ($$array_item[-1] eq 'handback') {
+                        $lock_info = 'Handback';
+                    } elsif ($$array_item[-1] eq 'graded') {
+                        $lock_info = 'Graded';
+                    }
+                 }
+            }
+        }
+	if ($lock_info) {
+	    my %anchor_fields = ('lockinfo' => $fullpath);
+	    if ($versions) { # hold the folder open
+	        my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($fullpath);
+	        $fname =~ s|^/||;
+	        $anchor_fields{'showversions'} = $fname.'.'.$extension;
+	    }
+	    $lock_info = &make_anchor(undef,\%anchor_fields,$lock_info);
+	}
+	$r->print('<td colspan="2">'.$lock_info.'</td>');
+    }
+    # $r->print('<td>'.$$version_flag{$filename}.'</td><td>');
+    $r->print('<td>'.&make_anchor($href_location.$filename,undef,$filename).'</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;');
+        my %anchor_fields = (
+            'access' => $filename,
+            'currentpath' => $current_path
+        );
+	$r->print(&make_anchor($url, \%anchor_fields, $access_admin_text).'</span></td>');
+    }
+    $r->print('</tr>'.$/);
+}
+
 sub display_directory {
     my ($r,$url,$current_path,$is_empty,$dir_list,$group,$can_upload,
         $can_modify,$can_delete,$can_setacl)=@_;
     my $iconpath= $r->dir_config('lonIconsURL') . "/";
-    my ($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 $port_path = &get_port_path();
+    my ($uname,$udom) = &get_name_dom();
     my $access_admin_text = &mt('View Status');
     if ($can_setacl) {
         $access_admin_text = &mt('View/Change Status');
     }
-    if ((defined($group)) && (defined($env{'request.course.id'}))) {
-       $groupitem = '<input type="hidden" name="group" value="'.$group.'" />'; 
-       $groupecho = '&amp;group='.$group;
-    }
 
     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                         $uname);
@@ -152,13 +243,14 @@ sub display_directory {
                                                   $current_permissions,$group);
     my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group);
     my $now = time;
-    if ($env{"form.mode"} eq 'selectfile'){
+    if ($env{"form.mode"} eq 'selectfile') {
 	&select_files($r);
 	$checked_files =&Apache::lonnet::files_in_path($uname,$env{'form.currentpath'});
 	$select_mode = 'true';
     } 
     if ($is_empty && ($current_path ne '/') && $can_delete) {
-        $display_out = '<form method="post" action="'.$url.'">'.$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="" />'.
@@ -171,20 +263,27 @@ sub display_directory {
     if ($select_mode eq 'true') {
         $r->print('<form method="post" name="checkselect" action="'.$url.'">');
         $r->print('<table id="LC_browser">'.
-            '<tr><th>Select</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
+            '<tr><th>Select</th><th>&nbsp;</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
     } else {
         $r->print('<form method="post" action="'.$url.'">');
+	$r->print(&Apache::loncommon::help_open_topic('Portfolio FileList',
+						      'Using the portfolio file list'));
         $r->print('<table id="LC_browser">'.
-            '<tr><th colspan="2">Actions</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th><th>Current Access Status</th></tr>');
-    }
-    if (defined($group)) {
-        $r->print("\n".$groupitem."\n");
+		  '<tr><th colspan="2">Actions'.
+		  &Apache::loncommon::help_open_topic('Portfolio FileAction').
+		  '</th><th>&nbsp;</th><th>&nbsp;</th><th>Name'.
+		  &Apache::loncommon::help_open_topic('Portfolio OpenFile').
+		  '</th><th>Size</th><th>Last Modified</th><th>Current Access Status'.
+		  &Apache::loncommon::help_open_topic('Portfolio ShareFile').
+		  '</th></tr>');
     }
+    $r->print("\n".&group_form_data()."\n");
+
     my $href_location="/uploaded/$udom/$uname/$port_path".$current_path;
     my $href_edit_location="/editupload/$udom/$uname/$port_path".$current_path;
     my @dir_lines;
     my %versioned;
-    foreach my $line (sort 
+    foreach my $dir_line (sort 
 		      { 
 			  my ($afile)=split('&',$a,2);
 			  my ($bfile)=split('&',$b,2);
@@ -192,18 +291,49 @@ sub display_directory {
 		      } (@$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(/\&/,$line,16); 
+    	my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$dir_line,16); 
     	$filename =~ s/\s+$//;
     	my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
     	if ($version) {
-    	    $versioned{$fname} .= $version.",";
+	    my $fullpath = &prepend_group($current_path.$fname.'.'.$extension);
+    	    push(@{ $versioned{$fullpath} },
+		 [$filename,$dom,$testdir,$size,$mtime,$obs,]);
+    	} else {
+    	    push(@dir_lines, [$filename,$dom,$testdir,$size,$mtime,$obs]);
     	}
-        push(@dir_lines, [$filename,$dom,$testdir,$size,$mtime,$obs]);
     }
-    foreach my $line (@dir_lines) {
-        my ($filename,$dom,$testdir,$size,$mtime,$obs) = @$line;
+    foreach my $dir_line (@dir_lines) {
+        my ($filename,$dom,$testdir,$size,$mtime,$obs) = @$dir_line;
         my ($fname,$version,$extension) = &Apache::grades::file_name_version_ext($filename);
     	if (($filename ne '.') && ($filename ne '..') && ($filename !~ /\.meta$/ ) && ($filename !~ /(.*)\.(\d+)\.([^\.]*)$/)) {
+    	    my $version_flag;
+    	    my $show_versions;
+	    my $fullpath =  &prepend_group($current_path.$filename);
+    	    if ($env{'form.showversions'} =~ /$filename/) {
+    	        $show_versions = 'true';
+    	    }
+    	    if (exists($versioned{$fullpath})) {
+    	        my %anchor_fields = (
+    	            'selectfile' => $fullpath,
+    	            'continue' => 'false',
+    	            'currentpath' => $current_path,
+    	        );
+    	        if ($show_versions) {
+    	            # Must preserve other possible showversion files
+    	            my $version_remainder = $env{'form.showversions'};
+    	            $version_remainder =~ s/$filename//g;    	            
+    	            $anchor_fields{'showversions'} = $version_remainder;
+                    $version_flag = &make_anchor('portfolio',\%anchor_fields,
+                        '<img class="LC_icon" alt="'.&mt('opened folder').'" src="'.$iconpath.'folder_pointer_opened.gif" />');
+    	        } else {
+    	            # allow multiple files to show versioned
+    	            $anchor_fields{'showversions'} = $env{'form.showversions'}.','.$filename;
+                    $version_flag = &make_anchor('portfolio',\%anchor_fields,
+                        '<img class="LC_icon" alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_pointer_closed.gif" />');
+                }
+    	    } else {
+    	        $version_flag = '&nbsp;';
+    	    }
             if ($dirptr&$testdir) {
 		my $colspan='colspan="2"';
                 if ($select_mode eq 'true'){
@@ -211,19 +341,18 @@ sub display_directory {
                 }
 		$r->print('<tr class="LC_browser_folder"><td '.$colspan.'><img alt="'.&mt('closed folder').'" src="'.$iconpath.'folder_closed.gif" /></td>');
                 $r->print('<td>Go to ...</td>');
-                $r->print('<td>'.&make_anchor($url,$filename.'/',$current_path.$filename.'/',$env{'form.mode'},$env{"form.fieldname"},$env{'form.continue'},$group).'</td>'); 
+                my %anchor_fields = (
+                    'selectfile'    => $filename.'/',
+                    'currentpath'   => $current_path.$filename.'/',
+                    'mode'          => $env{"form.mode"},
+                    'fieldname'     => $env{"form.fieldname"},
+                    'continue'      => $env{"form.continue"}
+                );  
+                $r->print('<td>'.$version_flag.'</td><td>'.&make_anchor($url,\%anchor_fields,$filename.'/').'</td>'); 
                 $r->print('</tr>'); 
             } else {
 		my $css_class = 'LC_browser_file';
 		my $line;
-                my $version_flag;
-                if (exists($versioned{$fname})) {
-                   $version_flag = "*";
-                } else {
-                    $version_flag = "";
-                }
-               my $fullpath = $current_path.$filename;
-                $fullpath = &prepend_group($fullpath,$group);
                 if ($select_mode eq 'true') {
                     $line='<td><input type="checkbox" name="checkfile" value="'.$filename.'"';
 		    if ($$checked_files{$filename} eq 'selected') {
@@ -232,7 +361,10 @@ sub display_directory {
 		    $line.=' /></td>';
                 } else {
                     if (exists $locked_files{$fullpath}) {
-                        $line.='<td colspan="2"><a href="'.$url.'?lockinfo='.$current_path.$filename.$groupecho.'">Locked</a></td>';
+                        my %anchor_fields = (
+                            'lockinfo' => $fullpath
+                        );
+                        $line.='<td colspan="2">'.&make_anchor($url,\%anchor_fields,'Locked').'</td>';
 			$css_class= 'LC_browser_file_locked';
                     } else {
                         if (!$can_modify) {
@@ -244,16 +376,19 @@ sub display_directory {
                             $line .= '<input type="checkbox" name="selectfile" value="'.$filename.'" />';
                         }
                         if ($can_modify) {
-                            my $cat='<img alt="'.&mt('Catalog Information').
+                            my $cat='<img class="LC_icon" 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>';
-                            $line .= '</td><td><a href="'.$href_edit_location.$filename.'.meta">'.$cat.'</a>';
+                            my %anchor_fields = (
+                                'rename' => $filename,
+                                currentpath => $current_path
+                            );
+                            $line .= &make_anchor($url,\%anchor_fields,'Rename');
+                            $line .= '</td><td>'.&make_anchor($href_edit_location.$filename.'.meta',\%anchor_fields,$cat);
+                            # '<a href="'.$href_edit_location.$filename.'.meta">'.$cat.'</a>';
                         }
                         $line .= '</td>';
                     }
                 }
-		$r->print('<tr class="'.$css_class.'">');
-		$r->print($line);
 		my $curr_access;
 		if ($select_mode ne 'true') {
 		    my $pub_access = 0;
@@ -287,19 +422,19 @@ sub display_directory {
 			$curr_access = join('+ ',@allaccesses);
 		    }
 		}
-		$r->print('<td><img alt="" src="'.&Apache::loncommon::icon($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>');
-		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>');
+                &display_directory_line($r,$select_mode, $filename, $mtime, $size, $css_class, $line, 
+                                        \%access_controls, $curr_access,$now, $version_flag, $href_location, 
+                                        $url, $current_path, $access_admin_text);
+		if ($show_versions) {
+		    foreach my $dir_line (@{ $versioned{$fullpath} }) {
+		        my ($v_filename,$dom,$testdir,$size,$mtime,$obs) =
+			    @$dir_line;
+                        $line = '<td colspan="2">&nbsp;</td>';
+			&display_directory_line($r,$select_mode, $v_filename, $mtime, $size, 
+						$css_class, $line, \%access_controls, $curr_access, $now,
+						undef, $href_location, $url, $current_path, $access_admin_text, 1);
+		    }
 		}
-		$r->print('</tr>'.$/);
             }
         }
     }
@@ -316,7 +451,8 @@ sub display_directory {
         $r->print('</table>');
         if ($can_delete) {
             $r->print('
-        <input type="submit" name="doit" value="Delete Checked Files" />
+        <input type="submit" name="doit" value="Delete Checked Files" />'.
+	&Apache::loncommon::help_open_topic('Portfolio DeleteFile').'
         <input type="hidden" name="action" value="delete" />
         <input type="hidden" name="currentpath" value="'.$current_path.'" />
         </form>'
@@ -341,7 +477,7 @@ sub open_form {
 }
 
 sub close_form {
-    my ($r,$url,$group,$button_text)=@_;
+    my ($r,$url,$button_text)=@_;
     if (!defined($button_text)) {
         $button_text = {
                          'continue' => &mt('Continue'),
@@ -349,19 +485,12 @@ sub close_form {
                        };
     }
     $r->print('<p><input type="submit" value="'.$button_text->{'continue'}.'" />');
-    if (defined($group)) {
-       $r->print("\n".'<input type="hidden" name="group" value="'.
-              $group.'" />');
-    }
-    $r->print('</p></form>');
+    $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.'" />');
-    }
+	      $env{'form.currentpath'}.'" />'.
+	      &group_form_data());
     $r->print("\n".'   <input type="submit" value="'.$button_text->{'cancel'}.'" />
                </p></form>'); 
 }
@@ -388,39 +517,38 @@ sub display_file {
 }
 
 sub done {
-    my ($message,$url,$group)=@_;
+    my ($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)) {
-        $result .= '&group='.$group;
-    }
-    $result .= '">'.&mt($message).'</a></h3>';
+    my %anchor_fields = (
+        'showversions' => $env{'form.showversions'},
+        'currentpath' => $env{'form.currentpath'},
+        'fieldname' => $env{'form.fieldname'},
+        'mode'      => $env{'form.mode'}
+    );
+    my $result = '<h3>'.&make_anchor($url,\%anchor_fields,&mt($message)).'</h3>';
     return $result;
 }
 
 sub delete {
-    my ($r,$url,$group)=@_;
+    my ($r,$url)=@_;
     my @check;
     my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
-    $file_name = &prepend_group($file_name,$group);
+    $file_name = &prepend_group($file_name);
     my @files=&Apache::loncommon::get_env_multiple('form.selectfile');
-    my ($uname,$udom) = &get_name_dom($group);
+    my ($uname,$udom) = &get_name_dom();
     if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
-        $r->print ("The file is locked and cannot be deleted.<br />");
-        $r->print(&done('Back',$url,$group));
+        $r->print("The file is locked and cannot be deleted.<br />");
+        $r->print(&done('Back',$url));
     } else {
         if (scalar(@files)) {
             &open_form($r,$url);
             $r->print('<p>'.&mt('Delete').' '.&display_file(undef,\@files).'?</p>');
-            &close_form($r,$url,$group);
+            &close_form($r,$url);
         } else {
             $r->print("No file was checked to delete.<br />");
-            $r->print(&done(undef,$url,$group));
+            $r->print(&done(undef,$url));
         }
     }
 } 
@@ -429,34 +557,71 @@ 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);
+    my ($uname,$udom) = &get_name_dom();
+    my $port_path = &get_port_path();
+    my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
+                                                                        $uname);
     foreach my $delete_file (@files) {
         $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
 					       $env{'form.currentpath'}.
 					       $delete_file);
         if ($result ne 'ok') {
-	$r->print('<span class="LC_error"> An error occured ('.$result.
-		  ') while trying to delete '.&display_file(undef, $delete_file).'</span><br />');
+	    $r->print('<span class="LC_error">'.
+                     &mt('An error occured ([_1]) while trying to delete 
+                         [_2].',$result,&display_file(undef, $delete_file)).
+                      '</span><br /><br />');
+        } else {
+            $r->print(&mt('File: [_1] deleted.',
+                          &display_file(undef,$delete_file)));
+            my $file_name = $env{'form.currentpath'}.$delete_file;
+            $file_name = &prepend_group($file_name);
+            my %access_controls = 
+                    &Apache::lonnet::get_access_controls($current_permissions,
+                                                         $group,$file_name);
+            if (keys(%access_controls) > 0) {
+                my %changes; 
+                foreach my $key (keys(%{$access_controls{$file_name}})) {
+                    $changes{'delete'}{$key} = 1;
+                }
+                if (keys(%changes) > 0) {
+                    my ($outcome,$deloutcome,$new_values,$translation) =
+                    &Apache::lonnet::modify_access_controls($file_name,\%changes,
+                                                            $udom,$uname);
+                    if ($outcome ne 'ok') {
+                           $r->print('<br />'.&mt("An error occured ([_1]) while ".
+                               "trying to delete access controls for the file.",$outcome).
+                               '</span><br /><br />');
+                    } else {
+                        if ($deloutcome eq 'ok') {
+                            $r->print('<br />'.&mt('Access controls also deleted for the file.').'<br /><br />');
+                        } else {
+                            $r->print('<span class="LC_error">'.'<br />'.
+                               &mt("An error occured ([_1]) while ".
+                                   "trying to delete access controls for the file.",$deloutcome).
+                                   '</span><br /><br />');
+                        }
+                    }
+                }
+            }
         }
     }
-    $r->print(&done(undef,$url,$group));
+    $r->print(&done(undef,$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,$group)=@_;
+    my ($r,$url)=@_;
     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 ($uname,$udom) = &get_name_dom();
+    my $namespace = &get_namespace();
+    my $port_path = &get_port_path();
     my $result=&Apache::lonnet::removeuserfile($uname,$udom,$port_path.
 					       $directory_name);
 					       
@@ -476,87 +641,172 @@ sub delete_dir_confirmed {
         }
         $env{'form.currentpath'} = $directory_name;
     }
-    $r->print(&done(undef,$url,$group));
+    $r->print(&done(undef,$url));
 }
 
 sub rename {
-    my ($r,$url,$group)=@_;
+    my ($r,$url)=@_;
     my $file_name = $env{'form.currentpath'}.$env{'form.rename'};
-    my ($uname,$udom) = &get_name_dom($group);
-    $file_name = &prepend_group($file_name,$group);
+    my ($uname,$udom) = &get_name_dom();
+    $file_name = &prepend_group($file_name);
     if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
-        $r->print ("The file is locked and cannot be renamed.<br />");
-        $r->print(&done(undef,$url,$group));
+        $r->print("The file is locked and cannot be renamed.<br />");
+        $r->print(&done(undef,$url));
     } else {
         &open_form($r,$url);
         $r->print('<p>'.&mt('Rename').' '.&display_file().' to 
                    <input name="filenewname" type="input" size="50" />?</p>');
-        &close_form($r,$url,$group);
+        &close_form($r,$url);
     }
 }
 
 sub rename_confirmed {
     my ($r,$url,$group)=@_;
     my $filenewname=&Apache::lonnet::clean_filename($env{'form.filenewname'});
-    my ($uname,$udom) = &get_name_dom($group);
-    my $port_path = &get_port_path($group);
+    my ($uname,$udom) = &get_name_dom();
+    my $port_path = &get_port_path();
     if ($filenewname eq '') {
 	$r->print('<span class="LC_error">'.
 		  &mt("Error: no valid filename was provided to rename to.").
 		  '</span><br />');
-	$r->print(&done(undef,$url,$group));
+	$r->print(&done(undef,$url));
 	return;
     } 
+    my $chg_access;
     my $result=
 	&Apache::lonnet::renameuserfile($uname,$udom,
             $port_path.$env{'form.currentpath'}.$env{'form.selectfile'},
             $port_path.$env{'form.currentpath'}.$filenewname);
-    if ($result ne 'ok') {
+    if ($result eq 'ok') {
+        $chg_access = &access_for_renamed($filenewname,$group,$udom,$uname);
+    } else {      
 	$r->print('<span class="LC_error">'.
-		  &mt('An errror occured ([_1]) while trying to rename [_2]'
+		  &mt('An error occured ([_1]) while trying to rename [_2]'
 		      .' to [_3]',$result,&display_file(),
 		      &display_file('',$filenewname)).'</span><br />');
+        return;
     }
     if ($filenewname ne $env{'form.filenewname'}) {
         $r->print(&mt("The new file name was changed from:<br />[_1] to [_2]",
 		      '<strong>'.&display_file('',$env{'form.filenewname'}).'</strong>',
 		      '<strong>'.&display_file('',$filenewname).'</strong>'));
     }
-    $r->print(&done(undef,$url,$group));
+    $r->print($chg_access);
+    $r->print(&done(undef,$url));
+}
+
+sub access_for_renamed {
+    my ($filenewname,$group,$udom,$uname) = @_;
+    my $oldfile = $env{'form.currentpath'}.$env{'form.selectfile'};
+    $oldfile = &prepend_group($oldfile);
+    my $newfile = $env{'form.currentpath'}.$filenewname;
+    $newfile = &prepend_group($newfile);
+    my $current_permissions =
+	&Apache::lonnet::get_portfile_permissions($udom,$uname);
+    my %access_controls =
+	&Apache::lonnet::get_access_controls($current_permissions,
+					     $group,$oldfile);
+    my $chg_text;
+    if (keys(%access_controls) > 0) {
+        my %change_old;
+        my %change_new;
+        foreach my $key (keys(%{$access_controls{$oldfile}})) {
+            $change_old{'delete'}{$key} = 1;
+            $change_new{'activate'}{$key} = $access_controls{$oldfile}{$key};
+        }
+        my ($outcome,$deloutcome,$new_values,$translation) =
+            &Apache::lonnet::modify_access_controls($oldfile,\%change_old,
+						    $udom,$uname);
+        if ($outcome ne 'ok') {
+            $chg_text ='<br /><br />'.&mt("An error occured ([_1]) while ".
+                "trying to delete access control records for the old name.",$outcome).
+                '</span><br />';
+        } else {
+            if ($deloutcome ne 'ok') {
+                $chg_text = '<br /><br /><span class="LC_error"><br />'.
+		    &mt("An error occured ([_1]) while ".
+			"trying to delete access control records for the old name.",$deloutcome).
+			'</span><br />';
+            }
+        }
+        ($outcome,$deloutcome,$new_values,$translation) =
+            &Apache::lonnet::modify_access_controls($newfile,\%change_new,
+                                                    $udom,$uname);
+        if ($outcome ne 'ok') {
+            $chg_text .= '<br /><br />'.
+		&mt("An error occured ([_1]) while ".
+                "trying to update access control records for the new name.",$outcome).
+                '</span><br />';
+        }
+        if ($chg_text eq '') {
+            $chg_text = '<br /><br />'.&mt('Access controls updated to reflect the name change.');
+        }
+    }
+    return $chg_text;
 }
 
 sub display_access {
-    my ($r,$url,$group,$can_setacl) = @_;
-    my ($uname,$udom) = &get_name_dom($group);
+    my ($r,$url,$group,$can_setacl,$port_path,$action) = @_;
+    my ($uname,$udom) = &get_name_dom();
     my $file_name = $env{'form.currentpath'}.$env{'form.access'};
-    $file_name = &prepend_group($file_name,$group);
+    $file_name = &prepend_group($file_name);
     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                         $uname);
     my %access_controls = &Apache::lonnet::get_access_controls($current_permissions,$group,$file_name);
     my $aclcount = keys(%access_controls);
-    my $header = '<h3>'.&mt('Allowing others to retrieve portfolio file: [_1]',$env{'form.currentpath'}.$env{'form.access'}).'</h3>';
-    my $info .= &mt('Access to this file by others can be set to be one or more of the following types: public, passphrase-protected or conditional.').'<br /><ul><li>'.&mt('Public files are available to anyone without the need for login.').'</li><li>'.&mt('Passphrase-protected files do not require log-in, but will require the viewer to enter the passphrase you set.').'</li><li>'.&mt('Conditional files are accessible to logged-in users with accounts in the LON-CAPA network, who satisfy the conditions you set.').'<br />'.&mt('The conditions can include affiliation with a particular course or group, or a user account in a specific domain.').'<br />'.&mt('Alternatively access can be granted to people with specific LON-CAPA usernames and domains.').'</li></ul>';
+    my ($header,$info);
+    if ($action eq 'chgaccess') {
+        $header = '<h3>'.&mt('Allowing others to retrieve file: [_1]',$port_path.$env{'form.currentpath'}.$env{'form.access'}).'</h3>';
+        $info .= &mt('Access to this file by others can be set to be one or more of the following types: public, passphrase-protected or conditional.');
+        $info .= '<br /><ul><li>'.&mt('Public files are available to anyone without the need for login.');
+        $info .= '</li><li>'.&mt('Passphrase-protected files do not require log-in, but will require the viewer to enter the passphrase you set.');
+        $info .= '</li><li>'.&explain_conditionals();
+        $info .= '</li></ul>'.
+                  &mt('A listing of files viewable without log-in is available at: ')."<a href=\"/adm/$udom/$uname/aboutme/portfolio\">http://$ENV{'SERVER_NAME'}/adm/$udom/$uname/aboutme/portfolio</a>.<br />";
+        if ($group eq '') {
+            $info .= &mt("For logged in users a 'Display file listing' link will also appear (when there are viewable files) on your personal information page:");
+        } else {
+            $info .= &mt("For logged in users a 'Display file listing' link will also appear (when there are viewable files) on the course information page:");
+        }
+        $info .= "<br /><a href=\"/adm/$udom/$uname/aboutme\">http://$ENV{'SERVER_NAME'}/adm/$udom/$uname/aboutme</a><br />";
+        if ($group ne '') {
+            $info .= &mt("Users with privileges to edit course contents may add a course information page to a course using the 'Course Info' button in DOCS").'<br />';
+        }
+    } else {
+        $header = '<h3>'.&mt('Conditional access controls for file: [_1]',$port_path.$env{'form.currentpath'}.$env{'form.access'}).'</h3>'.
+                  &explain_conditionals().'<br />';
+    }
     if ($can_setacl) {
         &open_form($r,$url);
         $r->print($header.$info);
-        &access_setting_table($r,$access_controls{$file_name});
+	$r->print('<br />'.&Apache::loncommon::help_open_topic('Portfolio ShareFile SetAccess', 'Help on setting up share access'));
+	$r->print(&Apache::loncommon::help_open_topic('Portfolio ShareFile ChangeSetting', 'Help on changing settings'));
+	$r->print(&Apache::loncommon::help_open_topic('Portfolio ShareFile StopAccess', 'Help on removing share access'));
+        &access_setting_table($r,$url,$file_name,$access_controls{$file_name},
+                              $action);
         my $button_text = {
                         'continue' => &mt('Proceed'),
                         'cancel' => &mt('Back to directory listing'),
                       };
-        &close_form($r,$url,$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},
-                              $aclcount);
+        &view_access_settings($r,$url,$access_controls{$file_name},$aclcount);
     }
 }
 
+sub explain_conditionals {
+    return
+        &mt('Conditional files are accessible to logged-in users with accounts in the LON-CAPA network, who satisfy the conditions you set.').'<br />'."\n".
+        &mt('The conditions can include affiliation with a particular course, or a user account in a specific domain.').'<br />'."\n".
+        &mt('Alternatively access can be granted to people with specific LON-CAPA usernames and domains.');
+}
+
 sub view_access_settings {
-    my ($r,$url,$group,$access_controls,$aclcount) = @_;
+    my ($r,$url,$access_controls,$aclcount) = @_;
     my ($showstart,$showend);
     my %todisplay;
     foreach my $key (sort(keys(%{$access_controls}))) {
@@ -577,12 +827,10 @@ sub view_access_settings {
     } else {
         $r->print(&mt('No access control settings currently exist for this file.<br />' ));
     }
-    my $group_arg;
-    if ($group) {
-        $group_arg = '&amp;group='.$group;
-    }
-    $r->print('<br /><a href="'.$url.'?currentpath='.$env{'form.currentpath'}.
-              $group_arg.'">'.&mt('Return to directory listing').'</a>');
+    my %anchor_fields = (
+        'currentpath' => $env{'form.currentpath'}
+    );
+    $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Return to directory listing')));
     return;
 }
 
@@ -595,9 +843,8 @@ sub build_access_summary {
                       domains => 'Conditional: domain-based',
                       users => 'Conditional: user-based',
                       course => 'Conditional: course-based',
-                      group => 'Conditional: group-based',
                      );
-    my @allscopes = ('public','guest','domains','users','course','group');
+    my @allscopes = ('public','guest','domains','users','course');
     foreach my $scope (@allscopes) {
         if ((!(exists($todisplay{$scope}))) || (ref($todisplay{$scope}) ne 'HASH')) {
             next;
@@ -620,7 +867,7 @@ sub build_access_summary {
                 }
             }
             $r->print('<td>'.&mt($scope_desc{$scope}));
-            if (($scope eq 'course') || ($scope eq 'group')) {
+            if ($scope eq 'course') {
                 if ($chg ne 'delete') {
                     my $cid = $content->{'domain'}.'_'.$content->{'number'};
                     my %course_description = &Apache::lonnet::coursedescription($cid);
@@ -632,16 +879,12 @@ sub build_access_summary {
             if ($chg ne 'delete') {
                 if ($scope eq 'guest') {
                     $r->print(&mt('Passphrase').': '.$content->{'password'});
-                } elsif ($scope eq 'course' || $scope eq 'group') {
-                    $r->print('<table><tr>');
+                } elsif ($scope eq 'course') {
+                    $r->print('<table width="100%"><tr>');
                     $r->print('<th>'.&mt('Roles').'</th><th>'.
                           &mt('Access').'</th><th>'.
                                           &mt('Sections').'</th>');
-                    if ($scope eq 'course') {
-                        $r->print('<th>'.&mt('Groups').'</th>');
-                    } else {
-                        $r->print('<th>'.&mt('Teams').'</th>');
-                    }
+                    $r->print('<th>'.&mt('Groups').'</th>');
                     $r->print('</tr>');
                     foreach my $id (sort(keys(%{$content->{'roles'}}))) {
                         $r->print('<tr>');
@@ -665,11 +908,11 @@ sub build_access_summary {
                             } else {
                                 $r->print(join(',',@{$content->{'roles'}{$id}{$item}}));
                             }
-                            $r->print('</tr>');
+                            $r->print('</td>');
                         }
-			$r->print("</table>");
+			$r->print('</tr>');
                     }
-		    $r->print("</tr></table>");
+		    $r->print('</table>');
                 } elsif ($scope eq 'domains') {
                     $r->print(&mt('Domains: ').join(',',@{$content->{'dom'}}));
                 } elsif ($scope eq 'users') {
@@ -690,7 +933,7 @@ sub build_access_summary {
 
 
 sub update_access {
-    my ($r,$url,$group) = @_;
+    my ($r,$url,$group,$port_path) = @_;
     my $totalprocessed = 0;
     my %processing;
     my %title  = (
@@ -715,10 +958,10 @@ sub update_access {
         }
     }
     my $file_name = $env{'form.currentpath'}.$env{'form.selectfile'};
-    $r->print('<h3>'.&mt('Allowing others to retrieve portfolio file: [_1]',
-              $file_name).'</h3>'."\n");
-    $file_name = &prepend_group($file_name,$group);
-    my ($uname,$udom) = &get_name_dom($group);
+    $r->print('<h3>'.&mt('Allowing others to retrieve file: [_1]',
+              $port_path.$file_name).'</h3>'."\n");
+    $file_name = &prepend_group($file_name);
+    my ($uname,$udom) = &get_name_dom();
     my ($errors,$outcome,$deloutcome,$new_values,$translation);
     if ($totalprocessed) {
         ($outcome,$deloutcome,$new_values,$translation) =
@@ -771,7 +1014,7 @@ sub update_access {
         } else {
             if ((@{$processing{'activate'}} > 0) || (@{$processing{'update'}} > 0)) {
                 $errors .= '<span class="LC_error">'.
-		    &mt('A problem occurred storing access control settings: [_1]',$outcome).
+		    &mt('A problem occurred saving access control settings: [_1]',$outcome).
 		    '</span>';
             }
         }
@@ -783,14 +1026,14 @@ sub update_access {
     my $totalnew = 0;
     my $status = 'new';
     my ($firstitem,$lastitem);
-    foreach my $newitem ('course','group','domains','users') {
+    foreach my $newitem ('course','domains','users') {
         $allnew += $env{'form.new'.$newitem};
     }
     if ($allnew > 0) {
         my $now = time;
         my $then = $now + (60*60*24*180); # six months approx.
-        &open_form($r,$url,$group);
-        foreach my $newitem ('course','group','domains','users') {
+        &open_form($r,$url);
+        foreach my $newitem ('course','domains','users') {
             if ($env{'form.new'.$newitem} > 0) {
                 $r->print('<br />'.&mt('Add new <b>[_1]-based</b> access control for portfolio file: <b>[_2]</b>',$newitem,$env{'form.currentpath'}.$env{'form.selectfile'}).'<br /><br />');
                 $firstitem = $totalnew;
@@ -804,15 +1047,15 @@ sub update_access {
                                     $access_controls{$file_name},$now,$then);
             }
         }
-        &close_form($r,$url,$group);
+        &close_form($r,$url);
     } else {
-        my $group_arg;
-        if ($group) {
-            $group_arg = '&amp;group='.$group;
-        }
-        $r->print('<br /><a href="'.$url.'?access='.$env{'form.selectfile'}.
-                  '&amp;currentpath='.$env{'form.currentpath'}.$group_arg.'">'.
-                   &mt('Display all access settings for this file').'</a>');
+        my %anchor_fields = (
+            'currentpath' => $env{'form.currentpath'},
+            'access' => $env{'form.selectfile'}
+        );
+        $r->print('<br />'.&make_anchor($url, \%anchor_fields, &mt('Display all access settings for this file')));
+        delete $anchor_fields{'access'};
+        $r->print('&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.&make_anchor($url,\%anchor_fields,&mt('Return to directory listing')));
     }
     return;
 }
@@ -829,7 +1072,7 @@ sub build_access_record {
 		
     if ($scope eq 'guest') {	
         $record->{'password'} = $env{'form.password'};
-    } elsif (($scope eq 'course') || ($scope eq 'group')) {
+    } elsif ($scope eq 'course') {
         $record->{'domain'} = $env{'form.crsdom_'.$num};
 	$record->{'number'} = $env{'form.crsnum_'.$num};
         my @role_ids;
@@ -911,19 +1154,18 @@ sub sort_users {
 }
 
 sub access_setting_table {
-    my ($r,$access_controls) = @_;
+    my ($r,$url,$filename,$access_controls,$action) = @_;
     my ($public,$publictext);
-    $publictext = &mt('Off');
+    $publictext ='Off';
     my ($guest,$guesttext);
-    $guesttext = &mt('Off');
+    $guesttext = 'Off';
     my @courses = ();
-    my @groups = ();
     my @domains = ();
     my @users = ();
     my $now = time;
     my $then = $now + (60*60*24*180); # six months approx.
     my ($num,$scope,$publicnum,$guestnum);
-    my (%acl_count,%end,%start);
+    my (%acl_count,%end,%start,%conditionals);
     foreach my $key (sort(keys(%{$access_controls}))) {
         ($num,$scope,$end{$key},$start{$key}) = &unpack_acc_key($key);
         if ($scope eq 'public') {
@@ -934,19 +1176,34 @@ sub access_setting_table {
             $guest=$key;
             $guestnum = $num;  
             $guesttext = &acl_status($start{$key},$end{$key},$now);
-        } elsif ($scope eq 'course') {
-            push(@courses,$key);
-        } elsif ($scope eq 'group') {
-            push(@groups,$key);
-        } elsif ($scope eq 'domains') {
-            push(@domains,$key);
-        } elsif ($scope eq 'users') {
-            push(@users,$key);
+        } else {
+            $conditionals{$scope}{$key} = $$access_controls{$key};
+            if ($scope eq 'course') {
+                push(@courses,$key);
+            } elsif ($scope eq 'domains') {
+                push(@domains,$key);
+            } elsif ($scope eq 'users') {
+                push(@users,$key);
+            }
         }
         $acl_count{$scope} ++;
     }
     $r->print('<table border="0"><tr><td valign="top">');
-    $r->print('<h3>'.&mt('Public access:').' '.$publictext.'</h3>');
+    if ($action eq 'chgaccess') {
+        &standard_settings($r,$now,$then,$url,$filename,\%acl_count,\%start,
+                           \%end,$public,$publicnum,$publictext,$guest,$guestnum,
+                           $guesttext,$access_controls,%conditionals);
+    } else {
+        &condition_setting($r,$access_controls,$now,$then,\%acl_count,
+                           \@domains,\@users,\@courses);
+    }
+    $r->print('</td></tr></table>');
+}
+
+sub standard_settings {
+    my ($r,$now,$then,$url,$filename,$acl_count,$start,$end,$public,$publicnum,
+      $publictext,$guest,$guestnum,$guesttext,$access_controls,%conditionals)=@_;
+    $r->print('<h3>'.&mt('Public access: [_1]',$publictext).'</h3>');
     $r->print(&Apache::loncommon::start_data_table());
     $r->print(&Apache::loncommon::start_data_table_header_row());
     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').'</th>');
@@ -954,7 +1211,7 @@ sub access_setting_table {
     $r->print(&Apache::loncommon::start_data_table_row());
     if ($public) {
         $r->print('<td>'.&actionbox('old',$publicnum,'public').'</td><td>'.
-                  &dateboxes($publicnum,$start{$public},$end{$public}).'</td>');
+             &dateboxes($publicnum,$start->{$public},$end->{$public}).'</td>');
     } else {
         $r->print('<td>'.&actionbox('new','0','public').'</td><td>'.
                   &dateboxes('0',$now,$then).'</td>');
@@ -962,7 +1219,7 @@ sub access_setting_table {
     $r->print(&Apache::loncommon::end_data_table_row());
     $r->print(&Apache::loncommon::end_data_table());
     $r->print('</td><td width="40">&nbsp;</td><td valign="top">');
-    $r->print('<h3>'.&mt('Passphrase-protected access:').' '.$guesttext.'</h3>');
+    $r->print('<h3>'.&mt('Passphrase-protected access: [_1]',$guesttext).'</h3>');
     $r->print(&Apache::loncommon::start_data_table());
     $r->print(&Apache::loncommon::start_data_table_header_row());
     $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Dates available').
@@ -973,7 +1230,7 @@ sub access_setting_table {
     if ($guest) {
         $passwd = $$access_controls{$guest}{'password'};
         $r->print('<td>'.&actionbox('old',$guestnum,'guest').'</td><td>'.
-                  &dateboxes($guestnum,$start{$guest},$end{$guest}).'</td>');
+              &dateboxes($guestnum,$start->{$guest},$end->{$guest}).'</td>');
     } else {
         $r->print('<td>'.&actionbox('new','1','guest').'</td><td>'.
                   &dateboxes('1',$now,$then).'</td>');
@@ -982,36 +1239,75 @@ sub access_setting_table {
               $passwd.'" /></td>');
     $r->print(&Apache::loncommon::end_data_table_row());
     $r->print(&Apache::loncommon::end_data_table());
-    $r->print('</td></tr><tr><td colspan="3">&nbsp;</td></tr><tr><td valign="top">');
-    &access_element($r,'domains',\%acl_count,\@domains,$access_controls,$now,$then);
+    $r->print('</td></tr><tr><td colspan="3">&nbsp;</td></tr>'.
+              '<tr><td colspan="3">');
+    my $numconditionals = 0;
+    my $conditionstext;
+    my %cond_status;
+    foreach my $scope ('domains','users','course') {
+        $numconditionals += $acl_count->{$scope}; 
+        if ($acl_count->{$scope} > 0) {
+            if ($conditionstext ne 'Active') { 
+                foreach my $key (keys(%{$conditionals{$scope}})) {
+                    $conditionstext = &acl_status($start->{$key},$end->{$key},$now);
+                    if ($conditionstext eq 'Active') {
+                       last;
+                    }
+                }
+            }
+        }
+    }
+    if ($conditionstext eq '') {
+        $conditionstext = 'Off';
+    }
+    my %anchor_fields = (
+            'access' => $env{'form.selectfile'},
+            'action' => 'chgconditions',
+            'currentpath' => $env{'form.currentpath'},
+        );
+    $r->print('<h3>'.&mt('Conditional access: [_1]',$conditionstext).'</h3>');
+    if ($numconditionals > 0) {
+        my $count = 1;
+        my $chg = 'none';
+        $r->print(&mt('You have previously set [_1] conditional access controls.',$numconditionals).' '.&make_anchor($url,\%anchor_fields,&mt('Change Conditions')).'<br /><br />');
+        $r->print(&Apache::loncommon::start_data_table());
+        $r->print(&Apache::loncommon::start_data_table_header_row());
+        $r->print('<th>'.&mt('Access control').'</th><th>'.&mt('Dates available').
+                  '</th><th>'.&mt('Additional information').'</th>');
+        $r->print(&Apache::loncommon::end_data_table_header_row());
+        &build_access_summary($r,$count,$chg,%conditionals);
+        $r->print(&Apache::loncommon::end_data_table());
+    } else {
+        $r->print(&make_anchor($url,\%anchor_fields,&mt('Add conditional access')).' '.&mt('based on domain, username, or course affiliation.'));
+    }
+}
+
+sub condition_setting {
+    my ($r,$access_controls,$now,$then,$acl_count,$domains,$users,$courses) = @_;
+    $r->print('<tr><td valign="top">');
+    &access_element($r,'domains',$acl_count,$domains,$access_controls,$now,$then);
     $r->print('</td><td>&nbsp;</td><td valign="top">');
-    &access_element($r,'users',\%acl_count,\@users,$access_controls,$now,$then);
+    &access_element($r,'users',$acl_count,$users,$access_controls,$now,$then);
     $r->print('</td></tr><tr><td colspan="3"></td></tr><tr>');
-    if (@courses > 0 || @groups > 0) {
+    if ($acl_count->{course} > 0) {
         $r->print('<td colspan="3" valign="top">');
     } else {
         $r->print('<td valign="top">');
     }
-    &access_element($r,'course',\%acl_count,\@courses,$access_controls,$now,$then);
+    &access_element($r,'course',$acl_count,$courses,$access_controls,$now,$then);
     $r->print('</td>');
-    if (@courses > 0 || @groups > 0) {
-        $r->print('</tr><tr><td colspan="3">&nbsp;</td></tr><tr><td colspan="3" valign="top">');
-    } else {
-        $r->print('<td>&nbsp;</td><td valign="top">');
-    }
-    &access_element($r,'group',\%acl_count,\@groups,$access_controls,$now,$then);
     $r->print('</td></tr></table>');
 }
 
 sub acl_status {
     my ($start,$end,$now) = @_;
     if ($start > $now) {
-        return &mt('Inactive');
+        return 'Inactive';
     }
     if ($end && $end<$now) {
-        return &mt('Inactive');
+        return 'Inactive';
     }
-    return &mt('Active');
+    return 'Active';
 }
 
 sub access_element {
@@ -1046,17 +1342,17 @@ sub display_access_row {
         $r->print(&Apache::loncommon::start_data_table_header_row());
         $r->print('<th>'.&mt('Action?').'</th><th>'.&mt($uctype).'</th><th>'.
               &mt('Dates available').'</th>');
-        if (($type eq 'course') || ($type eq 'group')) {
+        if ($type eq 'course' && $status eq 'old') {
             $r->print('<th>'.&mt('Allowed [_1] member affiliations',$type).
                       '</th>');
             $colspan ++;
         } elsif ($type eq 'domains') {
-            @all_doms = &Apache::loncommon::get_domains();
+            @all_doms = sort(&Apache::lonnet::all_domains());
         }
         $r->print(&Apache::loncommon::end_data_table_header_row());
         foreach my $key (@{$items}) {
 	    $r->print(&Apache::loncommon::start_data_table_row());
-            if (($type eq 'course') || ($type eq 'group')) {
+            if ($type eq 'course') {
                 &course_row($r,$status,$type,$key,$access_controls,$now,$then);
             } elsif ($type eq 'domains') {
                 &domains_row($r,$status,$key,\@all_doms,$access_controls,$now,
@@ -1083,34 +1379,37 @@ sub display_access_row {
 sub course_js {
     return qq|
 <script type="text/javascript">
-function setRoleOptions(caller,num,cdom,cnum,type) {
-    addIndexnum = getCallerIndex(caller);
-    updateIndexnum = getIndex('update',num);
-    if (caller.checked) {
-        document.portform.elements[updateIndexnum].checked = true;
-        var url = '/adm/portfolio?action=rolepicker&setroles='+addIndexnum+'&cnum='+cnum+'&cdom='+cdom+'&type='+type;
+function setRoleOptions(num,roleid,cdom,cnum,type) {
+    updateIndexNum = getIndexByValue('update',num);
+    var addItem = 'add_role_'+num;
+    var addIndexNum = getIndexByName(addItem);
+    if (document.portform.elements[addItem].checked) {
+        document.portform.elements[updateIndexNum].checked = true;
+        var url = '/adm/portfolio?action=rolepicker&setroles='+num+'_'+roleid+'&cnum='+cnum+'&cdom='+cdom+'&type='+type;
         var title = 'Roles_Chooser';
         var options = 'scrollbars=1,resizable=1,menubar=0';
         options += ',width=700,height=600';
         rolebrowser = open(url,title,options,'1');
         rolebrowser.focus();
     } else {
-        for (var j=0;j<5;j++) {
-            document.portform.elements[addIndexnum+j].value = '';
+        addArray = new Array ('role','access','section','group');
+        for (var j=0;j<addArray.length;j++) {
+            var itemIndex = getIndexByName(addArray[j]+'_'+num+'_'+roleid);
+            document.portform.elements[itemIndex].value = '';
         }
     }
 }
 
-function getCallerIndex(caller) {
+function getIndexByName(item) {
     for (var i=0;i<document.portform.elements.length;i++) {
-        if (document.portform.elements[i] == caller) {
+        if (document.portform.elements[i].name == item) {
             return i;
         }
     }
     return -1;
 }
 
-function getIndex(name,value) {
+function getIndexByValue(name,value) {
     for (var i=0;i<document.portform.elements.length;i++) {
         if (document.portform.elements[i].name == name && document.portform.elements[i].value == value) {
             return i;
@@ -1133,10 +1432,6 @@ sub course_row {
     }
     my $js = &Apache::loncommon::coursebrowser_javascript($defdom)
 	.&course_js();
-    my $crsgrptext = 'Groups';
-    if ($type eq 'group') {
-        $crsgrptext = 'Teams';
-    }
     my $uctype = $type;
     $uctype =~ s/^(\w)/uc($1)/e;
     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
@@ -1147,33 +1442,53 @@ sub course_row {
         my %course_description = &Apache::lonnet::coursedescription($cid);
         $r->print('<td><input type="hidden" name="crsdom_'.$num.'" value="'.$content->{'domain'}.'" /><input type="hidden" name="crsnum_'.$num.'" value="'.$content->{'number'}.'" />'.$course_description{'description'}.'</td>');
     } elsif ($status eq 'new') {
-        $r->print('<td>'.&Apache::loncommon::selectcourse_link('portform','crsnum_'.$num,'crsdom_'.$num,'description_'.$num,undef,undef,$uctype).'&nbsp;&nbsp;<input type="text" name="description_'.$num.'" size="30" /><input type="hidden" name="crsdom_'.$num.'" /><input type="hidden" name="crsnum_'.$num.'" /></td>');
+        $r->print('<td>'.&Apache::loncommon::selectcourse_link('portform','crsnum_'.$num,'crsdom_'.$num,'description_'.$num,$num.'_1',undef,$uctype).'&nbsp;&nbsp;<input type="text" name="description_'.$num.'" size="30" /><input type="hidden" name="crsdom_'.$num.'" /><input type="hidden" name="crsnum_'.$num.'" /></td>');
     }
-    $r->print('<td>'.&dateboxes($num,$start,$end).'</td>');
-    $r->print('<td><table><tr>');
-    $r->print('<th>'.&mt('Action').'</th><th>'.&mt('Roles').'</th><th>'.
-              &mt('Access').'</th><th>'.&mt('Sections').'</th><th>'.
-              &mt($crsgrptext).'</th></tr>');
+    $r->print('<td>'.&dateboxes($num,$start,$end));
+    my $newrole_id = 1;
     if ($status eq 'old') {
+        $r->print('</td><td>');
         my $max_id = 0;
-        foreach my $role_id (sort(keys(%{$content->{'roles'}}))) {
-            if ($role_id > $max_id) {
-                $max_id = $role_id;
-            }
-            $max_id ++;
-            my $role_selects = &role_selectors($num,$role_id,$status,$type,$content,'display');
-            $r->print('<tr><td><span style="white-space: nowrap"><label><input type="checkbox" name="delete_role_'.$num.'" value="'.$role_id.'" />'.&mt('Delete').'</label></span><br /><input type="hidden" name="preserve_role_'.$num.'" value="'.$role_id.'" /></td>'.$role_selects.'</tr>');
-        }
-        $r->print('</table><br />'.&mt('Add a roles-based condition').'&nbsp;<input type="checkbox" name ="add_role_'.$num.'" onClick="javascript:setRoleOptions(this,'."'$num','$content->{'domain'}','$content->{'number'}','$uctype'".')" value="'.$max_id.'" /><input type="hidden" name="role_'.$num.'_'.$max_id.'" /><input type="hidden" name="access_'.$num.'_'.$max_id.'" /><input type="hidden" name="section_'.$num.'_'.$max_id.'" /><input type="hidden" name="group_'.$num.'_'.$max_id.'" /></td>');
-    } elsif ($status eq 'new') {
-        my $role_id = 1;
-        my $role_selects = &role_selectors($num,$role_id,$status,$type,undef,'display');
-        $r->print('<tr><td><input type="checkbox" name="add_role_'.$num.'" value="'.$role_id.'" checked="checked" />'.&mt('Add').'<input type="hidden" name="grplist_'.$num.'_'.$role_id.'" /></td>'.$role_selects);
-        $r->print('</tr></table></td>');
+        if (keys(%{$content->{'roles'}}) > 0) {
+            $r->print('<table><tr><th>'.&mt('Action').'</th>'.
+                      '<th>'.&mt('Roles').'</th>'.
+                      '<th>'.&mt('Access').'</th>'.
+                      '<th>'.&mt('Sections').'</th>'.
+                      '<th>'.&mt('Groups').'</th></tr>');
+            foreach my $role_id (sort(keys(%{$content->{'roles'}}))) {
+                if ($role_id > $max_id) {
+                    $max_id = $role_id;
+                }
+                $max_id ++;
+                my $role_selects = &role_selectors($num,$role_id,$type,$content,'display');
+                $r->print('<tr><td><span style="white-space: nowrap"><label><input type="checkbox" name="delete_role_'.$num.'" value="'.$role_id.'" />'.&mt('Delete').'</label></span><br /><input type="hidden" name="preserve_role_'.$num.'" value="'.$role_id.'" /></td>'.$role_selects.'</tr>');
+            }
+            $r->print('</table>');
+        }
+        $r->print('<br />'.&mt('Add a roles-based condition').
+                  '&nbsp;<input type="checkbox" name ="add_role_'.
+                  $num.'" onClick="javascript:setRoleOptions('."'$num',
+                  '$max_id','$content->{'domain'}','$content->{'number'}',
+                  '$uctype'".')" value="" />');
+        $newrole_id = $max_id;
+    } else {
+        $r->print('<input type="hidden" name ="add_role_'.$num.'" value="" />');
     }
+    $r->print(&add_course_role($num,$newrole_id));
+    $r->print('</td>');
     return;
 }
 
+sub add_course_role {
+    my ($num,$max_id) = @_;
+    my $output;
+    $output .='<input type="hidden" name="role_'.$num.'_'.$max_id.'" />'.
+              '<input type="hidden" name="access_'.$num.'_'.$max_id.'" />'.
+              '<input type="hidden" name="section_'.$num.'_'.$max_id.'" />'.
+              '<input type="hidden" name="group_'.$num.'_'.$max_id.'" />';
+    return $output;
+}
+
 sub domains_row {
     my ($r,$status,$item,$all_doms,$access_controls,$now,$then) = @_;
     my ($num,$scope,$end,$start) = &set_identifiers($status,$item,$now,$then,
@@ -1223,7 +1538,12 @@ sub actionbox {
     my ($status,$num,$scope) = @_;
     my $output = '<span style="white-space: nowrap"><label>';
     if ($status eq 'new') {
-        $output .= '<input type="checkbox" name="activate" value="'.$num.'" />'.
+        my $checkstate;
+        if ($scope eq 'domains' || $scope eq 'users' || $scope eq 'course') {
+            $checkstate = 'checked="checked"';
+        }
+        $output .= '<input type="checkbox" name="activate" value="'.$num.'" '.
+                   $checkstate.'  />'.
         &mt('Activate');
     } else {
         $output .= '<input type="checkbox" name="delete" value="'.$num.
@@ -1271,21 +1591,12 @@ sub set_identifiers {
 } 
 
 sub role_selectors {
-    my ($num,$role_id,$status,$type,$content,$caller) = @_;
+    my ($num,$role_id,$type,$content,$caller) = @_;
     my ($output,$cdom,$cnum,$longid);
     if ($caller eq 'display') {
         $longid = '_'.$num.'_'.$role_id;
-        if ($status eq 'new') {
-            foreach my $item ('role','access','section','group') {
-                $output .= '<td><select name="'.$item.$longid.'">'.
-                           '<option value="">'.&mt('Pick [_1] first',$type).
-                           '</option></select></td>';
-            }
-            return $output;
-        } else {
-            $cdom = $$content{'domain'};
-            $cnum = $$content{'number'};
-        }
+        $cdom = $$content{'domain'};
+        $cnum = $$content{'number'};
     } elsif ($caller eq 'rolepicker') {
          $cdom = $env{'form.cdom'};
          $cnum = $env{'form.cnum'};
@@ -1323,7 +1634,7 @@ sub role_selectors {
                     'role' => $allroles,
                     'access' => \@allaccesses,
                     'section' => $sections,
-                    'group' => $groups, 
+                    'group' => $groups,
                    );
     foreach my $item ('role','access','section','group') {
         $output .= '<td><select name="'.$item.$longid.'" multiple="true" size="4">'."\n";
@@ -1347,20 +1658,21 @@ sub role_selectors {
 
 sub role_options_window {
     my ($r) = @_;
-    my $cdom = $env{'form.cdom'};
-    my $cnum = $env{'form.cnum'};
     my $type = $env{'form.type'};
-    my $addindex = $env{'form.setroles'};
-    my $grouptitle = 'Groups';
-    if ($type eq 'Group') {
-         $grouptitle = 'Teams';
-    } 
-    my $role_selects = &role_selectors(1,1,'new',$type,undef,'rolepicker');
+    my $rolenum = $env{'form.setroles'};
+    my ($num,$role_id) = ($rolenum =~ /^([\d_]+)_(\d+)$/);
+    my $role_elements;
+    foreach my $item ('role','access','section','group') {
+        $role_elements .= "'".$item.'_'.$rolenum."',";
+    }
+    $role_elements =~ s/,$//; 
+    my $role_selects = &role_selectors($num,$role_id,$type,undef,
+                                       'rolepicker');
     $r->print(<<"END_SCRIPT");
 <script type="text/javascript">
 function setRoles() {
-    var addidx = $addindex+1;
-    for (var i=0; i<4; i++) {
+    var role_elements = new Array($role_elements);
+    for (var i=0; i<role_elements.length; i++) {
         var copylist = '';
         for (var j=0; j<document.rolepicker.elements[i].length; j++) {
             if (document.rolepicker.elements[i].options[j].selected) {
@@ -1368,19 +1680,32 @@ function setRoles() {
             }
         }
         copylist = copylist.substr(0,copylist.length-1);
-        opener.document.portform.elements[addidx+i].value = copylist;
+        var openerItem = getIndexByName(role_elements[i]);
+        opener.document.portform.elements[openerItem].value = copylist; 
     }
+    var roleAdder = getIndexByName('add_role_$num');
+    opener.document.portform.elements[roleAdder].value = '$role_id';
     self.close();
 }
+
+function getIndexByName(item) {
+    for (var i=0;i<opener.document.portform.elements.length;i++) {
+        if (opener.document.portform.elements[i].name == item) {
+            return i;
+        }
+    }
+    return -1;
+}
+
 </script>
 END_SCRIPT
     $r->print(&mt('Select roles, course status, section(s) and group(s) for users who will be able to access the portfolio file.'));
-    $r->print('<form name="rolepicker" action="/adm/portfolio" method="post"><table><tr><th>'.&mt('Roles').'</th><th>'.&mt('[_1] status',$type).'</th><th>'.&mt('Sections').'</th><th>'.&mt($grouptitle).'</th></tr><tr>'.$role_selects.'</tr></table><br /><input type="button" name="rolepickbutton" value="Save selections" onclick="setRoles()" />');
+    $r->print('<form name="rolepicker" action="/adm/portfolio" method="post"><table><tr><th>'.&mt('Roles').'</th><th>'.&mt('[_1] status',$type).'</th><th>'.&mt('Sections').'</th><th>'.&mt('Groups').'</th></tr><tr>'.$role_selects.'</tr></table><br /><input type="button" name="rolepickbutton" value="Save selections" onclick="setRoles()" />');
     return;
 }
 
 sub select_files {
-    my ($r,$group) = @_;
+    my ($r) = @_;
     if ($env{'form.continue'} eq 'true') {
         # here we update the selections for the currentpath
         # eventually, have to handle removing those not checked, but . . . 
@@ -1408,11 +1733,7 @@ ENDSMP
                     fileList = fileList + document.forms.checkselect.currentpath.value + document.forms.checkselect[i].value + "," ;
                 }
             }
-            opener.document.forms.lonhomework.
-ENDSMP
-    $javascript .= $env{'form.fieldname'};
-    $javascript .= (<<ENDSMP);
-        .value=fileList;
+            opener.document.forms.lonhomework.$env{'form.fieldname'}.value=fileList;
             self.close();
         }
         </script>
@@ -1428,115 +1749,194 @@ ENDSMP
 	}
     }
 }
-sub upload {
-    my ($r,$url,$group)=@_;
-    my $fname=$env{'form.uploaddoc.filename'};
-    my $filesize = (length($env{'form.uploaddoc'})) / 1000; #express in k (1024?)
-    my $disk_quota = 20000; # expressed in k
-    if (defined($group)) {
-        my $grp_quota = &get_group_quota($group); # quota expressed in k 
-        if ($grp_quota ne '') {
-            $disk_quota = $grp_quota;
-        } else {
-            $disk_quota = 0;
-        }
-    }
-    $fname=&Apache::lonnet::clean_filename($fname);
 
-    my $portfolio_root=&get_portfolio_root($group);
-    my ($uname,$udom) = &get_name_dom($group);
-    my $port_path = &get_port_path($group);
+
+sub check_for_upload {
+    my ($path,$fname,$group,$element) = @_;
+    my $disk_quota = &get_quota($group);
+    my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
+
+    my $portfolio_root = &get_portfolio_root();
+    my $port_path = &get_port_path();
+    my ($uname,$udom) = &get_name_dom();
     # Fixme --- Move the checking for existing file to LOND error return
-    my @dir_list=&get_dir_list($portfolio_root,$group);
+    my @dir_list=&get_dir_list($portfolio_root,$path);
     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);
+            $file_name = $path.$file_name;
+            $file_name = &prepend_group($file_name);
             $found_file = 1;
-            if (defined($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){
-        $r->print('<span class="LC_error">Unable to upload <strong>'.$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,$group));
-    } 
-    elsif ($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));      
-        } 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));
-        }
-    } else {
-        my $result=&Apache::lonnet::userfileupload('uploaddoc','',
-	        	 $port_path.$env{'form.currentpath'});
-        if ($result !~ m|^/uploaded/|) {
-            $r->print('<span class="LC_error">'.'An errror occured ('.$result.
-	              ') while trying to upload '.&display_file().'</span><br />');
-	    $r->print(&done('Back',$url,$group));
-        } else {
-            $r->print(&done(undef,$url,$group));
-        }
+        my $msg = '<span class="LC_error">Unable to upload <strong>'.$fname.' (size = '.$filesize.' kilobytes)</strong>. Disk quota will be exceeded.</span>'.
+	    '<br />Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.';
+	return ('will_exceed_quota',$msg);
+    } elsif ($found_file) {
+        if ($locked_file) {
+            my $msg = '<span class="LC_error">'.'Unable to upload <strong>'.$fname.'</strong>, a <strong>locked</strong> file by that name was found in <strong>'.$port_path.$path.'</strong></span>'.
+		'<br />You will be able to rename or delete existing '.$fname.' after a grade has been assigned.';
+	    return ('file_locked',$msg);
+	} else {
+            my $msg = '<span class="LC_error">'.'Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>'.$port_path.$path.'</strong></span>'.
+		'<br />To upload, rename or delete existing '.$fname.' in '.$port_path.$path;
+	    return ('file_exists',$msg);
+	}
     }
 }
 
+sub upload {
+    my ($r,$url,$group)=@_;
+    my $fname=&Apache::lonnet::clean_filename($env{'form.uploaddoc.filename'});
+
+    my ($state,$msg) = &check_for_upload($env{'form.currentpath'},
+					 $fname,$group,'uploaddoc');
+
+    if ($state eq 'will_exceed_quota'
+	|| $state eq 'file_locked'
+	|| $state eq 'file_exists' ) {
+	$r->print($msg.&done('Back',$url));
+	return;
+    }
+
+    my $port_path = &get_port_path();
+    my (%allfiles,%codebase,$mode);
+    if ($env{'form.uploaddoc.filename'} =~ m/(\.htm|\.html|\.shtml)$/i) {
+	$mode = 'parse';
+	
+    }
+    my $result=
+	&Apache::lonnet::userfileupload('uploaddoc','',
+					$port_path.$env{'form.currentpath'},
+					$mode,\%allfiles,\%codebase);
+    if ($result !~ m|^/uploaded/|) {
+	$r->print('<span class="LC_error">'.'An error occured ('.$result.
+		  ') while trying to upload '.&display_file().'</span><br />');
+	$r->print(&done('Back',$url));
+    } else {
+	if (%allfiles) {
+	    my $state = <<STATE;
+    <input type="hidden" name="action"      value="upload_embedded" />
+    <input type="hidden" name="currentpath" value="$env{'form.currentpath'}" />
+    <input type="hidden" name="fieldname"   value="$env{'form.fieldname'}" />
+    <input type="hidden" name="mode"        value="$env{'form.mode'}" />
+STATE
+	    $r->print("<p>Completed upload of the file. This file contained references to other files. You can upload these now: </p>");
+	    $r->print(&Apache::londocs::ask_for_embedded_content('/adm/portfolio',$state,\%allfiles,\%codebase,
+				      {'error_on_invalid_names'   => 1,
+				       'ignore_remote_references' => 1,}));
+	    $r->print('<p>Or '.&done('Return to directory listing',$url).'</p>');
+	} else {
+	    $r->print(&done(undef,$url));
+	}
+    }
+}
+
+sub upload_embedded {
+    my ($r,$url,$group)=@_;
+    for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
+	next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
+	
+	$env{'form.embedded_orig_'.$i} = 
+	    &unescape($env{'form.embedded_orig_'.$i});
+	my ($path,$fname) = 
+	    ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
+	$path = $env{'form.currentpath'}.$path;
+	$fname = &Apache::lonnet::clean_filename($fname);
+
+	my ($state,$msg) = &check_for_upload($path,$fname,$group,
+					     'embedded_item_'.$i);
+
+	if ($state eq 'will_exceed_quota'
+	    || $state eq 'file_locked'
+	    || $state eq 'file_exists' ) {
+	    $r->print($msg);
+	    next;
+	}
+
+	my $port_path = &get_port_path();
+	my $src_path = $env{'form.embedded_orig_'.$i};
+	$env{'form.embedded_item_'.$i.'.filename'}=$fname;
+	
+	my $result=
+	    &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
+					    $port_path.$path);
+	if ($result !~ m|^/uploaded/|) {
+	    $r->print('<span class="LC_error">'.'An error occured ('.$result.
+		      ') while trying to upload '.&display_file($path,$fname).'</span><br />');
+	    next;
+	} else {
+	    $r->print("<p> Uploaded ".
+		      &display_file($port_path.$path,$fname).'</p>');
+	}
+    }
+    $r->print(&done(undef,$url));
+}
+
 sub lock_info {
     my ($r,$url,$group) = @_;
-    my ($uname,$udom) = &get_name_dom($group);
+    my ($uname,$udom) = &get_name_dom();
     my $current_permissions = &Apache::lonnet::get_portfile_permissions($udom,
                                                                        $uname);
     my $file_name = $env{'form.lockinfo'};
-    $file_name = &prepend_group($file_name,$group);
+    $file_name = &prepend_group($file_name);
     if (defined($file_name) && defined($$current_permissions{$file_name})) {
         foreach my $array_item (@{$$current_permissions{$file_name}}) {
-            if (ref($array_item) eq 'ARRAY') {
-                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 $$array_item[0]");
-            }
+            next if (ref($array_item) ne 'ARRAY');
+
+	    my $filetext;
+	    if (defined($group)) {
+		$filetext = '<strong>'.$env{'form.lockinfo'}.
+		    '</strong> (group: '.$group.')'; 
+	    } else {
+		$filetext = '<strong>'.$file_name.'</strong>';
+	    } 
+	    
+	    my $title ='<strong>'.&Apache::lonnet::gettitle($$array_item[0]).
+		'</strong><br />';
+	    if ($$array_item[-1] eq 'graded') {
+		$r->print(&mt('[_1] was submitted in response to problem: [_2]',
+                              $filetext,$title));
+	    } elsif ($$array_item[-1] eq 'handback') {
+		$r->print(&mt('[_1] was handed back in response to problem: [_2]',
+                              $filetext,$title));
+	    } else {
+		# submission style lock
+		$r->print(&mt('[_1] was submitted in response to problem: [_2]',
+                              $filetext,$title));
+	    }
+	    my %course_description = 
+		&Apache::lonnet::coursedescription($$array_item[1]);
+	    if ( $course_description{'description'} ne '') {
+		$r->print(&mt('In the course: <strong>[_1]</strong><br />',
+			      $course_description{'description'}));
+	    }
         }
     }
-    $r->print(&done('Back',$url,$group));
+    $r->print(&done('Back',$url));
     return 'ok';
 }
+
 sub createdir {
-    my ($r,$url,$group)=@_;
+    my ($r,$url)=@_;
     my $newdir=&Apache::lonnet::clean_filename($env{'form.newdir'});
     if ($newdir eq '') {
     	$r->print('<span class="LC_error">'.
 	    	  &mt("Error: no directory name was provided.").
 		      '</span><br />');
-	    $r->print(&done(undef,$url,$group));
+	    $r->print(&done(undef,$url));
 	    return;
     }
-    my $portfolio_root = &get_portfolio_root($group); 
-    my @dir_list=&get_dir_list($portfolio_root,$group);
+    my $portfolio_root = &get_portfolio_root(); 
+    my @dir_list=&get_dir_list($portfolio_root);
     my $found_file = 0;
     foreach my $line (@dir_list) {
         my ($filename)=split(/\&/,$line,2);
@@ -1548,30 +1948,35 @@ sub createdir {
     	    $r->print('<span class="LC_error">'.'Unable to create a directory named <strong>'.$newdir.
     	            ' </strong>a file or directory by that name already exists.</span><br />');
     } else {
-        my ($uname,$udom) = &get_name_dom($group);
-        my $port_path = &get_port_path($group);
+        my ($uname,$udom) = &get_name_dom();
+        my $port_path = &get_port_path();
         my $result=&Apache::lonnet::mkdiruserfile($uname,$udom,
 	         $port_path.$env{'form.currentpath'}.$newdir);
         if ($result ne 'ok') {
-    	    $r->print('<span class="LC_error">'.'An errror occured ('.$result.
+    	    $r->print('<span class="LC_error">'.'An error occured ('.$result.
 	    	      ') while trying to create a new directory '.&display_file().'</span><br />');
         }
     }
     if ($newdir ne $env{'form.newdir'}) {
         $r->print("The new directory name was changed from:<br /><strong>".$env{'form.newdir'}."</strong> to <strong>$newdir </strong>");  
     }
-    $r->print(&done(undef,$url,$group));
+    $r->print(&done(undef,$url));
 }
 
 sub get_portfolio_root {
-    my ($group) = @_;
-    my ($portfolio_root,$udom,$uname,$path);
-    ($uname,$udom) = &get_name_dom($group);
+    my ($udom,$uname,$group) = @_;
+    if (!(defined($udom)) || !(defined($uname))) {
+        ($uname,$udom) = &get_name_dom();
+    }
+    my $path = '/userfiles/portfolio';
+    if (!defined($group)) { 
+        if (defined($env{'form.group'})) {
+            $group = $env{'form.group'};      
+        }
+    }
     if (defined($group)) {
         $path = '/userfiles/groups/'.$group.'/portfolio';
-    } else {
-        $path = '/userfiles/portfolio';
-    }
+    } 
     return (&Apache::loncommon::propath($udom,$uname).$path);
 }
 
@@ -1593,16 +1998,15 @@ sub get_group_quota {
 } 
 
 sub get_dir_list {
-    my ($portfolio_root,$group) = @_;
-    my ($uname,$udom) = &get_name_dom($group);
-    return &Apache::lonnet::dirlist($env{'form.currentpath'},
-                                          $udom,$uname,$portfolio_root);
+    my ($portfolio_root,$path) = @_;
+    $path ||= $env{'form.currentpath'};
+    my ($uname,$udom) = &get_name_dom();
+    return &Apache::lonnet::dirlist($path,$udom,$uname,$portfolio_root);
 }
 
 sub get_name_dom {
-    my ($group) = @_;
     my ($uname,$udom);
-    if (defined($group)) {
+    if (defined($env{'form.group'})) {
         $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
         $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
     } else {
@@ -1613,28 +2017,26 @@ sub get_name_dom {
 }
 
 sub prepend_group {
-    my ($filename,$group) = @_;
-    if (defined($group)) {
-        $filename = $group.$filename;
+    my ($filename) = @_;
+    if (defined($env{'form.group'})) {
+        $filename = $env{'form.group'}.$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;
+    if (defined($env{'form.group'})) {
+        my ($uname,$udom) = &get_name_dom();
+        $namespace .= '_'.$udom.'_'.$uname.'_'.$env{'form.group'};
     }
     return $namespace;
 }
 
 sub get_port_path {
-    my ($group) = @_;
     my $port_path;
-    if (defined($group)) {
-       $port_path = "groups/$group/portfolio";
+    if (defined($env{'form.group'})) {
+       $port_path = "groups/$env{'form.group'}/portfolio";
     } else {
        $port_path = 'portfolio';
     }
@@ -1642,7 +2044,7 @@ sub get_port_path {
 }
 
 sub missing_priv {
-    my ($r,$url,$priv,$group) = @_;
+    my ($r,$url,$priv) = @_;
     my $longtext = {
                       upload => 'upload files',
                       delete => 'delete files',
@@ -1660,9 +2062,9 @@ sub missing_priv {
     $r->print(&mt('<h3>Action disallowed</h3>'));
     $r->print(&mt('You do not have sufficient privileges to [_1] ',
                   $longtext->{$priv}));
-    if ($group) {
+    if (defined($env{'form.group'})) {
         $r->print(&mt("in the group's file repository."));
-        $rtnlink .= '&group='.$group;
+        $rtnlink .= &group_args()
     } else {
         $r->print(&mt('in this portfolio.'));
     }
@@ -1672,14 +2074,55 @@ sub missing_priv {
     return;
 }
 
+sub coursegrp_portfolio_header {
+    my ($cdom,$cnum,$grp_desc)=@_;
+    my $gpterm  = &Apache::loncommon::group_term();
+    my $ucgpterm = $gpterm;
+    $ucgpterm =~ s/^(\w)/uc($1)/e;
+    if ($env{'form.ref'}) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>"/adm/coursegroups",
+              text=>"Groups",
+              title=>"Course Groups"});
+    }
+    &Apache::lonhtmlcommon::add_breadcrumb
+        ({href=>"/adm/$cdom/$cnum/$env{'form.group'}/smppg?ref=$env{'form.ref'}",
+          text=>"$ucgpterm: $grp_desc",
+          title=>"Go to group's home page"},
+         {href=>"/adm/coursegrp_portfolio?".&group_args(),
+          text=>"Group Portfolio",
+          title=>"Display group portfolio"});
+    my $output = &Apache::lonhtmlcommon::breadcrumbs(
+                         &mt('[_1] portfolio files - [_2]',$gpterm,$grp_desc));
+    return $output;
+}
+
+sub get_quota {
+    my ($group) = @_;
+    my $disk_quota;
+    if (defined($group)) {
+        my $grp_quota = &get_group_quota($group); # quota expressed in k
+        if ($grp_quota ne '') {
+            $disk_quota = $grp_quota;
+        } else {
+            $disk_quota = 0;
+        }
+    } else {
+        $disk_quota = &Apache::loncommon::get_user_quota($env{'user.name'},
+                                    $env{'user.domain'}); #expressed in Mb
+        $disk_quota = 1000 * $disk_quota; # convert from Mb to kb
+    }
+    return $disk_quota;
+}
+
 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','access','setnum',
-          'cnum','cdom','type','setroles']);
-    my ($uname,$udom,$portfolio_root,$url,$group,$caller,$title);
+          'cnum','cdom','type','setroles','showversions','ref']);
+    my ($uname,$udom,$portfolio_root,$url,$caller,$title,$group,$grp_desc);
     if ($r->uri =~ m|^(/adm/)([^/]+)|) {
         $url = $1.$2;
         $caller = $2;
@@ -1694,18 +2137,21 @@ sub handler {
             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;
+        my $view_permission = 
+           &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
+        $env{'form.group'} =~ s/\W//g;
+	$group = $env{'form.group'};
         if ($group) {
-            ($uname,$udom) = &get_name_dom($group);
+            ($uname,$udom) = &get_name_dom();
             my %curr_groups = &Apache::longroup::coursegroups($udom,$uname,
 							       $group); 
             if (%curr_groups) {
+                my %grp_content = &Apache::longroup::get_group_settings(
+                                                         $curr_groups{$group});
+                $grp_desc = &unescape($grp_content{'description'});
                 if (($view_permission) || (&Apache::lonnet::allowed('rgf',
                                       $env{'request.course.id'}.'/'.$group))) {
-                    $portfolio_root = &get_portfolio_root($group);
+                    $portfolio_root = &get_portfolio_root();
                 } else {
                     $r->print('You do not have the privileges required to access the shared files space for this group.');
                     $earlyout = 1;
@@ -1749,6 +2195,7 @@ sub handler {
         $can_setacl = 1;
     }
 
+    my $port_path = &get_port_path();
     &Apache::loncommon::no_cache($r);
     &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
@@ -1763,6 +2210,13 @@ sub handler {
         $r->print(&Apache::loncommon::start_page($title));
     }
     $r->rflush();
+    my ($blocked,$blocktext) = 
+        &Apache::loncommon::blocking_status('port',$uname,$udom);
+    if ($blocked) {
+         $r->print($blocktext);
+         $r->print(&Apache::loncommon::end_page());
+         return OK;
+    }
 	if (($env{'form.storeupl'}) & (!$env{'form.uploaddoc.filename'})){
    	    $r->print('<span class="LC_error">'.
 		      'No file was selected to upload.'.
@@ -1774,7 +2228,7 @@ sub handler {
         &open_form($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 ($env{'form.store'}) {
     }
@@ -1783,67 +2237,76 @@ sub handler {
         if ($can_upload) {
 	    &upload($r,$url,$group);
         } else {
-            &missing_priv($r,$url,'upload',$group),
+            &missing_priv($r,$url,'upload');
+        }
+    } elsif ($env{'form.action'} eq 'upload_embedded') {
+	if ($can_upload) {
+	    &upload_embedded($r,$url,$group);
+        } else {
+            &missing_priv($r,$url,'upload');
         }
     } elsif ($env{'form.action'} eq 'delete' && $env{'form.confirmed'}) {
         if ($can_delete) {
 	    &delete_confirmed($r,$url,$group);
         } else {
-            &missing_priv($r,$url,'delete',$group);
+            &missing_priv($r,$url,'delete');
         }
     } elsif ($env{'form.action'} eq 'delete') {
         if ($can_delete) {
-	    &delete($r,$url,$group);
+	    &delete($r,$url);
         } else {
-            &missing_priv($r,$url,'delete',$group);
+            &missing_priv($r,$url,'delete');
         }
     } elsif ($env{'form.action'} eq 'deletedir' && $env{'form.confirmed'}) {
         if ($can_delete) {
-	    &delete_dir_confirmed($r,$url,$group);
+	    &delete_dir_confirmed($r,$url);
         } else {
-            &missing_priv($r,$url,'delete',$group);
+            &missing_priv($r,$url,'delete');
         }
     } 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);
+            &missing_priv($r,$url,'delete');
         }
     } elsif ($env{'form.action'} eq 'rename' && $env{'form.confirmed'}) {
         if ($can_modify) {
 	    &rename_confirmed($r,$url,$group);
         } else {
-            &missing_priv($r,$url,'rename',$group);
+            &missing_priv($r,$url,'rename');
         }
     } elsif ($env{'form.rename'}) {
         $env{'form.selectfile'} = $env{'form.rename'};
         $env{'form.action'} = 'rename';
         if ($can_modify) {
-	    &rename($r,$url,$group);
+	    &rename($r,$url);
         } else {
-            &missing_priv($r,$url,'rename',$group);
+            &missing_priv($r,$url,'rename');
         }
     } elsif ($env{'form.access'}) {
         $env{'form.selectfile'} = $env{'form.access'};
-        $env{'form.action'} = 'chgaccess';
-        &display_access($r,$url,$group,$can_setacl);
-    } elsif ($env{'form.action'} eq 'chgaccess') {
+        if (!defined($env{'form.action'})) { 
+            $env{'form.action'} = 'chgaccess';
+        }
+        &display_access($r,$url,$group,$can_setacl,$port_path,$env{'form.action'});
+    } elsif (($env{'form.action'} eq 'chgaccess') || 
+             ($env{'form.action'} eq 'chgconditions')) {
         if ($can_setacl) {
-            &update_access($r,$url,$group);
+            &update_access($r,$url,$group,$port_path);
         } else {
-            &missing_priv($r,$url,'setacl',$group);
+            &missing_priv($r,$url,'setacl');
         }
     } elsif ($env{'form.action'} eq 'rolepicker') {
         if ($can_setacl) { 
             &role_options_window($r);
         } else {
-            &missing_priv($r,$url,'setacl',$group);
+            &missing_priv($r,$url,'setacl');
         }
     } elsif ($env{'form.createdir'}) {
         if ($can_upload) {
-	    &createdir($r,$url,$group);
+	    &createdir($r,$url);
         } else {
-            &missing_priv($r,$url,'upload',$group);
+            &missing_priv($r,$url,'upload');
         }
     } elsif ($env{'form.lockinfo'}) {
         &lock_info($r,$url,$group);
@@ -1852,14 +2315,18 @@ sub handler {
 	if ($env{'form.currentpath'}) {
 	    $current_path = $env{'form.currentpath'};
 	}
-        my @dir_list=&get_dir_list($portfolio_root,$group);
+        if ($caller eq 'coursegrp_portfolio') {
+            &Apache::lonhtmlcommon::clear_breadcrumbs();
+            $r->print(&coursegrp_portfolio_header($udom,$uname,$grp_desc));
+        }
+        my @dir_list=&get_dir_list($portfolio_root);
 	if ($dir_list[0] eq 'no_such_dir'){
 	    # two main reasons for this:
             #    1) never been here, so directory structure not created
 	    #    2) back-button navigation after deleting a directory
 	    if ($current_path eq '/'){
 	        &Apache::lonnet::mkdiruserfile($uname,$udom,
-					       &get_port_path($group));
+					       &get_port_path());
 	    } else {
                 # some directory that snuck in get rid of the directory
                 # from the recent pulldown, just in case
@@ -1873,8 +2340,8 @@ sub handler {
         }
 	# 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,
-                        $can_upload);
+	&display_common($r,$url,$current_path,$is_empty,\@dir_list,
+			$can_upload);
         &display_directory($r,$url,$current_path,$is_empty,\@dir_list,$group,
                            $can_upload,$can_modify,$can_delete,$can_setacl);
 	$r->print(&Apache::loncommon::end_page());