--- loncom/interface/portfolio.pm	2006/06/23 20:15:24	1.120
+++ loncom/interface/portfolio.pm	2006/07/19 10:26:43	1.121.2.6
@@ -1,3 +1,8 @@
+# The LearningOnline Network
+# portfolio browser
+#
+# $Id: portfolio.pm,v 1.121.2.6 2006/07/19 10:26:43 albertel Exp $
+#
 # Copyright Michigan State University Board of Trustees
 #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
@@ -31,6 +36,7 @@ use Apache::lonfeedback;
 use Apache::lonlocal;
 use Apache::lonnet;
 use Apache::longroup;
+use Apache::lonhtmlcommon;
 use HTML::Entities;
 use LONCAPA;
 
@@ -219,7 +225,7 @@ sub display_directory {
                 }
                my $fullpath = $current_path.$filename;
                 $fullpath = &prepend_group($fullpath,$group);
-                if ($select_mode eq 'true'){
+                if ($select_mode eq 'true') {
                     $line='<td><input type="checkbox" name="checkfile" value="'.$filename.'"';
 		    if ($$checked_files{$filename} eq 'selected') {
                         $line.=" checked ";
@@ -246,59 +252,63 @@ sub display_directory {
                         }
                         $line .= '</td>';
                     }
-		    $r->print('<tr class="'.$css_class.'">');
-		    $r->print($line);
-                }
-                my $curr_access;
-                my $pub_access = 0;
-                my $guest_access = 0;
-                my $cond_access = 0;
-                foreach my $key (sort(keys(%{$access_controls{$fullpath}}))) {
-                    my ($num,$scope,$end,$start) = &unpack_acc_key($key);
-                    if (($now > $start) && (!$end || $end > $now)) {
-                        if ($scope eq 'public')  {
-                            $pub_access = 1;
-                        } elsif ($scope eq 'guest') {
-                            $guest_access = 1;
-                        } else {
-                            $cond_access = 1;
-                        }
-                    }
-                }
-                if (!$pub_access && !$guest_access && !$cond_access) {
-                    $curr_access = &mt('Private');
-                } else {
-                    my @allaccesses; 
-                    if ($pub_access) {
-                        push(@allaccesses,&mt('Public'));
-                    }
-                    if ($guest_access) {
-                        push(@allaccesses,&mt('Passphrase-protected'));
-                    }
-                    if ($cond_access) {
-                        push(@allaccesses,&mt('Conditional'));
-                    }
-                    $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>');
-                $r->print('<td><span style="white-space: nowrap">'.
-                          &mt($curr_access).'&nbsp;&nbsp;&nbsp;');
-                $r->print('<a href="'.$url.'?access='.$filename.
-                              '&amp;currentpath='.$current_path.$groupecho.
-                              '">'.$access_admin_text.'</a>');
-                $r->print('</span></td></tr>');
+		$r->print('<tr class="'.$css_class.'">');
+		$r->print($line);
+		my $curr_access;
+		if ($select_mode ne 'true') {
+		    my $pub_access = 0;
+		    my $guest_access = 0;
+		    my $cond_access = 0;
+		    foreach my $key (sort(keys(%{$access_controls{$fullpath}}))) {
+			my ($num,$scope,$end,$start) = &unpack_acc_key($key);
+			if (($now > $start) && (!$end || $end > $now)) {
+			    if ($scope eq 'public')  {
+				$pub_access = 1;
+			    } elsif ($scope eq 'guest') {
+				$guest_access = 1;
+			    } else {
+				$cond_access = 1;
+			    }
+			}
+		    }
+		    if (!$pub_access && !$guest_access && !$cond_access) {
+			$curr_access = &mt('Private');
+		    } else {
+			my @allaccesses; 
+			if ($pub_access) {
+			    push(@allaccesses,&mt('Public'));
+			}
+			if ($guest_access) {
+			    push(@allaccesses,&mt('Passphrase-protected'));
+			}
+			if ($cond_access) {
+			    push(@allaccesses,&mt('Conditional'));
+			}
+			$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>');
+		}
+		$r->print('</tr>'.$/);
             }
         }
     }
     if ($select_mode eq 'true') {
         $r->print('</table>
-            <input type="hidden" name="continue" value="true">
-            <input type="hidden" name="fieldname" value="'.$env{'form.fieldname'}.'">
-            <input type="hidden" name="mode" value="selectfile">
+            <input type="hidden" name="continue" value="true" />
+            <input type="hidden" name="fieldname" value="'.$env{'form.fieldname'}.'" />
+            <input type="hidden" name="mode" value="selectfile" />
             <input type="submit" name="submit" value="Select checked files, and continue selecting." /><br />
             <input type="button" name="doit" onClick= "finishSelect();" value="Select checked files, and close window" />
             <input type="hidden" name="currentpath" value="'.$current_path.'" />
@@ -517,7 +527,7 @@ sub rename_confirmed {
 }
 
 sub display_access {
-    my ($r,$url,$group,$can_setacl) = @_;
+    my ($r,$url,$group,$can_setacl,$port_path) = @_;
     my ($uname,$udom) = &get_name_dom($group);
     my $file_name = $env{'form.currentpath'}.$env{'form.access'};
     $file_name = &prepend_group($file_name,$group);
@@ -525,8 +535,23 @@ sub display_access {
                                                                         $uname);
     my %access_controls = &Apache::lonnet::get_access_controls($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 = '<h3>'.&mt('Allowing others to retrieve portfolio file: [_1]',
+			    $port_path.$env{'form.currentpath'}.
+			    $env{'form.access'}).'</h3>';
+    my $info .= 
+	&mt('Access to this file by others can be set to be one or more of the following types: public, passphrase-protected or conditional.').
+	'<br /><ul><li>'.
+	&mt('Public files are available to anyone without the need for login.').
+	'</li><li>'.
+	&mt('Passphrase-protected files do not require log-in, but will require the viewer to enter the passphrase you set.').
+	'</li>'.
+	#'<li>'.
+	#&mt('Conditional files are accessible to logged-in users with accounts in the LON-CAPA network, who satisfy the conditions you set.').
+	#'<br />'.
+	#&mt('The conditions can include affiliation with a particular course or group, or a user account in a specific domain.').
+	#'<br />'.
+	#&mt('Alternatively access can be granted to people with specific LON-CAPA usernames and domains.').
+	'</li></ul>';
     if ($can_setacl) {
         &open_form($r,$url);
         $r->print($header.$info);
@@ -656,11 +681,11 @@ sub build_access_summary {
                             } else {
                                 $r->print(join(',',@{$content->{'roles'}{$id}{$item}}));
                             }
-                            $r->print('</td>');
+                            $r->print('</tr>');
                         }
+			$r->print("</table>");
                     }
-                    $r->print(&Apache::loncommon::end_data_table_row());
-                    $r->print(&Apache::loncommon::end_data_table());
+		    $r->print("</tr></table>");
                 } elsif ($scope eq 'domains') {
                     $r->print(&mt('Domains: ').join(',',@{$content->{'dom'}}));
                 } elsif ($scope eq 'users') {
@@ -681,7 +706,7 @@ sub build_access_summary {
 
 
 sub update_access {
-    my ($r,$url,$group) = @_;
+    my ($r,$url,$group,$port_path) = @_;
     my $totalprocessed = 0;
     my %processing;
     my %title  = (
@@ -707,7 +732,7 @@ 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");
+              $port_path.$file_name).'</h3>'."\n");
     $file_name = &prepend_group($file_name,$group);
     my ($uname,$udom) = &get_name_dom($group);
     my ($errors,$outcome,$deloutcome,$new_values,$translation);
@@ -803,7 +828,10 @@ sub update_access {
         }
         $r->print('<br /><a href="'.$url.'?access='.$env{'form.selectfile'}.
                   '&amp;currentpath='.$env{'form.currentpath'}.$group_arg.'">'.
-                   &mt('Display all access settings for this file').'</a>');
+                   &mt('Display all access settings for this file').'</a>'.
+                  '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.
+                  '<a href="'.$url.'?currentpath='.$env{'form.currentpath'}.
+                  $group_arg.'">'.&mt('Return to directory listing').'</a>');
     }
     return;
 }
@@ -973,24 +1001,25 @@ 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);
-    $r->print('</td><td>&nbsp;</td><td valign="top">');
-    &access_element($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) {
-        $r->print('<td colspan="3" valign="top">');
-    } else {
-        $r->print('<td valign="top">');
-    }
-    &access_element($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><tr><td colspan="3">&nbsp;</td></tr><tr><td valign="top">');
+    #&access_element($r,'domains',\%acl_count,\@domains,$access_controls,$now,$then);
+    #$r->print('</td><td>&nbsp;</td><td valign="top">');
+    #&access_element($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) {
+    #    $r->print('<td colspan="3" valign="top">');
+    #} else {
+    #    $r->print('<td valign="top">');
+    #}
+    #&access_element($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>');
 }
 
@@ -1399,11 +1428,7 @@ 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>
@@ -1424,6 +1449,14 @@ sub upload {
     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);
@@ -1475,6 +1508,7 @@ sub upload {
         }
     }
 }
+
 sub lock_info {
     my ($r,$url,$group) = @_;
     my ($uname,$udom) = &get_name_dom($group);
@@ -1557,6 +1591,23 @@ sub get_portfolio_root {
     return (&Apache::loncommon::propath($udom,$uname).$path);
 }
 
+sub get_group_quota {
+    my ($group) = @_;
+    my $group_quota; 
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
+    if (%curr_groups) {
+        my %group_info =  &Apache::longroup::get_group_settings(
+                                                    $curr_groups{$group});
+        $group_quota = $group_info{'quota'}; #expressed in Mb
+        if ($group_quota) {
+            $group_quota = 1000 * $group_quota; #expressed in k
+        } 
+    }
+    return $group_quota;
+} 
+
 sub get_dir_list {
     my ($portfolio_root,$group) = @_;
     my ($uname,$udom) = &get_name_dom($group);
@@ -1637,6 +1688,24 @@ sub missing_priv {
     return;
 }
 
+sub coursegrp_portfolio_header {
+    my ($cdom,$cnum,$group,$grp_desc)=@_;
+    my $gpterm  = &Apache::loncommon::group_term();
+    my $ucgpterm = $gpterm;
+    $ucgpterm =~ s/^(\w)/uc($1)/e;
+    &Apache::lonhtmlcommon::add_breadcrumb
+        ({href=>"/adm/$cdom/$cnum/$group/smppg",
+          text=>"$ucgpterm: $grp_desc",
+          title=>"Go to group's home page"},
+         {href=>"//?group=$group",
+          text=>"Group Portfolio",
+          title=>"Display group portfolio"},);
+    my $output = &Apache::lonhtmlcommon::breadcrumbs(
+                         &mt('[_1] portfolio files - [_2]',$gpterm,$grp_desc));
+    return $output;
+}
+
+
 sub handler {
     # this handles file management
     my $r = shift;
@@ -1644,7 +1713,7 @@ sub handler {
          ['selectfile','currentpath','meta','lockinfo','currentfile','action',
 	  'fieldname','mode','rename','continue','group','access','setnum',
           'cnum','cdom','type','setroles']);
-    my ($uname,$udom,$portfolio_root,$url,$group,$caller,$title);
+    my ($uname,$udom,$portfolio_root,$url,$group,$caller,$title,$grp_desc);
     if ($r->uri =~ m|^(/adm/)([^/]+)|) {
         $url = $1.$2;
         $caller = $2;
@@ -1668,6 +1737,9 @@ sub handler {
             my %curr_groups = &Apache::longroup::coursegroups($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);
@@ -1685,17 +1757,24 @@ sub handler {
             $earlyout = 1;
         }
         if ($earlyout) { return OK; }
-        if (&Apache::lonnet::allowed('agf',$env{'request.course.id'}.'/'.$group)) {
-            $can_setacl = 1;
-        }
-        if (&Apache::lonnet::allowed('ugf',$env{'request.course.id'}.'/'.$group)) {
-            $can_upload = 1;
-        }
-        if (&Apache::lonnet::allowed('mgf',$env{'request.course.id'}.'/'.$group)) {
+        if (&Apache::lonnet::allowed('mdg',$env{'request.course.id'})) {
             $can_modify = 1;
-        }
-        if (&Apache::lonnet::allowed('dgf',$env{'request.course.id'}.'/'.$group)) {
             $can_delete = 1;
+            $can_upload = 1;
+            $can_setacl = 1;
+        } else {
+            if (&Apache::lonnet::allowed('agf',$env{'request.course.id'}.'/'.$group)) {
+                $can_setacl = 1;
+            }
+            if (&Apache::lonnet::allowed('ugf',$env{'request.course.id'}.'/'.$group)) {
+                $can_upload = 1;
+            }
+            if (&Apache::lonnet::allowed('mgf',$env{'request.course.id'}.'/'.$group)) {
+                $can_modify = 1;
+            }
+            if (&Apache::lonnet::allowed('dgf',$env{'request.course.id'}.'/'.$group)) {
+                $can_delete = 1;
+            }
         }
     } else {
         ($uname,$udom) = &get_name_dom();
@@ -1707,6 +1786,7 @@ sub handler {
         $can_setacl = 1;
     }
 
+    my $port_path = &get_port_path($group);
     &Apache::loncommon::no_cache($r);
     &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
@@ -1784,10 +1864,10 @@ sub handler {
     } elsif ($env{'form.access'}) {
         $env{'form.selectfile'} = $env{'form.access'};
         $env{'form.action'} = 'chgaccess';
-        &display_access($r,$url,$group,$can_setacl);
+        &display_access($r,$url,$group,$can_setacl,$port_path);
     } elsif ($env{'form.action'} eq 'chgaccess') {
         if ($can_setacl) {
-            &update_access($r,$url,$group);
+            &update_access($r,$url,$group,$port_path);
         } else {
             &missing_priv($r,$url,'setacl',$group);
         }
@@ -1810,6 +1890,10 @@ sub handler {
 	if ($env{'form.currentpath'}) {
 	    $current_path = $env{'form.currentpath'};
 	}
+        if ($caller eq 'coursegrp_portfolio') {
+            &Apache::lonhtmlcommon::clear_breadcrumbs();
+            $r->print(&coursegrp_portfolio_header($udom,$uname,$group,$grp_desc));
+        }
         my @dir_list=&get_dir_list($portfolio_root,$group);
 	if ($dir_list[0] eq 'no_such_dir'){
 	    # two main reasons for this: