--- loncom/cgi/quotacheck.pl	2014/07/31 15:57:24	1.5
+++ loncom/cgi/quotacheck.pl	2014/08/05 19:32:19	1.6
@@ -6,7 +6,7 @@ $|=1;
 # requested domain, or current server should belong to requested
 # domain.
 #
-# $Id: quotacheck.pl,v 1.5 2014/07/31 15:57:24 musolffc Exp $
+# $Id: quotacheck.pl,v 1.6 2014/08/05 19:32:19 musolffc Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -101,6 +101,7 @@ sub main {
             $crstype = $params{'type'};
         }
         if ($params{'fixeddom'}) { $reqdom = $params{'fixeddom'} }
+        unless ($params{'sortby'}) { $params{'sortby'} = 'cdesc'; }
     }
     if (($reqdom eq '') && ($ENV{'QUERY_STRING'})) {
         &LONCAPA::loncgi::cgi_getitems($ENV{'QUERY_STRING'},\%gets);
@@ -246,26 +247,57 @@ sub print_usage {
     }
 
     if (@showcourses) {
-        print(&Apache::loncommon::start_data_table().
-            &Apache::loncommon::start_data_table_header_row()
-            .'<th><a href="javascript:changeSort('."'quotatype'".')">'
-                .&Apache::lonlocal::mt('Course Type')
-                .'<span class="LC_fontsize_small"> &#9660;</span></a></th>'
-            .'<th><a href="javascript:changeSort('."'cdesc'".')">'
-                .&Apache::lonlocal::mt('Course Title')
-                .'<span class="LC_fontsize_small"> &#9660;</span></a></th>'
-            .'<th><a href="javascript:changeSort('."'instcode'".')">'
-                .&Apache::lonlocal::mt('Institutional Code')
-                .'<span class="LC_fontsize_small"> &#9660;</span></a></th>'
-            .'<th><a href="javascript:changeSort('."'quota'".')">'
-                .&Apache::lonlocal::mt('Quota (MB)')
-                .'<span class="LC_fontsize_small"> &#9660;</span></a></th>'
-            .'<th><a href="javascript:changeSort('."'current_disk_usage'".')">'
-                .&Apache::lonlocal::mt('Usage (MB)')
-                .'<span class="LC_fontsize_small"> &#9660;</span></a></th>'
-            .'<th><a href="javascript:changeSort('."'percent'".')">'
-                .&Apache::lonlocal::mt('Percent usage')
-                .'<span class="LC_fontsize_small"> &#9660;</span></a></th>'
+        # Order in which columns are displayed from left to right
+        my @order = ('quotatype','cdesc','instcode','quota',
+                        'current_disk_usage','percent');
+
+        # Up and down arrows to indicate sort order
+        my @arrows = ('&nbsp;&#9650;','&nbsp;&#9660;','');
+
+        # Default sort order and column title
+        my %columns = (
+            quotatype => {
+                        order => 'ascending',
+                        text  => &Apache::lonlocal::mt('Course Type'),
+                         },
+            cdesc => {
+                        order => 'ascending',
+                        text  => &Apache::lonlocal::mt('Course Title'),
+                     },
+            instcode => {
+                        order => 'ascending',
+                        text  => &Apache::lonlocal::mt('Institutional Code'),
+                        },
+            quota => {
+                        order => 'descending',
+                        text  => &Apache::lonlocal::mt('Quota (MB)'),
+                     },
+            current_disk_usage => {
+                        order => 'descending',
+                        text  => &Apache::lonlocal::mt('Usage (MB)'),
+                                  },
+            percent => {
+                        order => 'descending',
+                        text  => &Apache::lonlocal::mt('Percent usage'),
+                       },
+        ); 
+        
+        # Print column headers
+        my $output = '';
+        foreach my $key (@order) {
+            my $idx;
+            # Append an up or down arrow to sorted column
+            if ($sortby eq $key) {
+                $idx = ($columns{$key}{order} eq 'ascending') ? 0:1;
+                if ($sortorder eq 'rev') { $idx ++; }
+                $idx = $idx%2;
+            } else { $idx = 2; } # No arrow if column not sorted
+            $output .= '<th><a href="javascript:changeSort('
+                        ."'$key'".');">'.$columns{$key}{text}
+                        .$arrows[$idx].'</a></th>';
+        }
+        print(&Apache::loncommon::start_data_table()
+            .&Apache::loncommon::start_data_table_header_row().$output
             .&Apache::loncommon::end_data_table_header_row());
              
         my $usagehash = {};  # Sortable hash of courses