--- loncom/interface/lonmodifycourse.pm	2016/08/07 01:32:52	1.79.2.1
+++ loncom/interface/lonmodifycourse.pm	2016/09/17 16:03:36	1.79.2.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # handler for DC-only modifiable course settings
 #
-# $Id: lonmodifycourse.pm,v 1.79.2.1 2016/08/07 01:32:52 raeburn Exp $
+# $Id: lonmodifycourse.pm,v 1.79.2.2 2016/09/17 16:03:36 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -44,7 +44,8 @@ sub get_dc_settable {
     if ($type eq 'Community') {
         return ('courseowner','selfenrollmgrdc','selfenrollmgrcc');
     } else {
-        my @items = ('courseowner','coursecode','authtype','autharg','selfenrollmgrdc','selfenrollmgrcc');
+        my @items = ('courseowner','coursecode','authtype','autharg','selfenrollmgrdc',
+                     'selfenrollmgrcc','mysqltables');
         if (&showcredits($cdom)) {
             push(@items,'defaultcredits');
         }
@@ -254,9 +255,9 @@ sub print_modification_menu {
         $setquota_text = &mt('Total disk space allocated for storage of portfolio files in all groups in a course.');
         $setuploadquota_text = &mt('Disk space allocated for storage of content uploaded directly to a course via Content Editor.');
         if (&showcredits($dom)) {
-            $setparams_text = 'View/Modify course owner, institutional code, default authentication, credits, and self-enrollment';
+            $setparams_text = 'View/Modify course owner, institutional code, default authentication, credits, self-enrollment and table lifetime';
         } else {
-            $setparams_text = 'View/Modify course owner, institutional code, default authentication, and self-enrollment';
+            $setparams_text = 'View/Modify course owner, institutional code, default authentication, self-enrollment and table lifetime';
         }
         $cat_text = 'View/Modify catalog settings for course';
     }
@@ -366,7 +367,8 @@ sub print_modification_menu {
         }
         $menu_html .= ' <li>'.&mt('Override defaults for who configures self-enrollment for this specific course.').'</li>'."\n";
     }
-    $menu_html .= '<li>'.$setquota_text.'</li>'."\n".
+    $menu_html .= '<li>'.$mysqltables_text.'</li>'."\n".
+                  '<li>'.$setquota_text.'</li>'."\n".
                   '<li>'.$setuploadquota_text.'</li>'."\n".
                   '<li>'.$anon_text.'</li>'."\n".
                   '<li>'.$postsubmit_text.'</li>'."\n";
@@ -752,8 +754,8 @@ sub print_course_modification_page {
     my ($ownertable,$ccrole,$javascript_validations,$authenitems,$ccname);
     my %enrollvar = &get_enrollment_settings($cdom,$cnum);
     my %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.textbook',
-                                                       'internal.selfenrollmgrdc','internal.selfenrollmgrcc'],
-                                        $cdom,$cnum);
+                                                       'internal.selfenrollmgrdc','internal.selfenrollmgrcc',
+                                                       'internal.mysqltables'],$cdom,$cnum);
     my $type = &Apache::lonuserutils::get_extended_type($cdom,$cnum,$crstype,\%settings);
     my @specific_managebydc = split(/,/,$settings{'internal.selfenrollmgrdc'});
     my @specific_managebycc = split(/,/,$settings{'internal.selfenrollmgrcc'});
@@ -901,7 +903,12 @@ sub print_course_modification_page {
                   &Apache::loncommon::end_data_table_row()."\n");
     }
     $r->print(&Apache::loncommon::end_data_table()."\n".
-              '<br />'.&Apache::lonhtmlcommon::row_closure(1).
+              '<br />'.&Apache::lonhtmlcommon::row_closure().
+              &Apache::lonhtmlcommon::row_title(
+              &Apache::loncommon::help_open_topic('Modify_Course_Table_Lifetime').
+              '&nbsp;'.&mt('"Temporary" Tables Lifetime (s)'))."\n".
+              '<input type="text" size="10" name="mysqltables" value="'.$settings{'internal.mysqltables'}.'" />'.
+              &Apache::lonhtmlcommon::row_closure(1).
               &Apache::lonhtmlcommon::end_pick_box().'</p><p>'.$hidden_elements.
               '<input type="button" onclick="javascript:changePage(this.form,'."'processparms'".');');
     if ($crstype eq 'Community') {
@@ -1023,7 +1030,7 @@ sub modify_course {
     my %longtype = &course_settings_descrip($type);
     my @items = ('internal.courseowner','description','internal.co-owners',
                  'internal.pendingco-owners','internal.selfenrollmgrdc',
-                 'internal.selfenrollmgrcc');
+                 'internal.selfenrollmgrcc','internal.mysqltables');
     my ($selfenrollrows,$selfenrolltitles) = &Apache::lonuserutils::get_selfenroll_titles();
     unless ($type eq 'Community') {
         push(@items,('internal.coursecode','internal.authtype','internal.autharg',
@@ -1094,10 +1101,13 @@ sub modify_course {
                 $changed{'code'} = 1;
             }
         }
-
+        if ( exists($env{'form.mysqltables'}) ) {
+            $newattr{'mysqltables'} = $env{'form.mysqltables'};
+            $newattr{'mysqltables'} =~ s/\D+//g;
+        }
         if (&showcredits($cdom) && exists($env{'form.defaultcredits'})) {
-            $newattr{'defaultcredits'} =~ s/[^\d\.]//g;
             $newattr{'defaultcredits'}=$env{'form.defaultcredits'};
+            $newattr{'defaultcredits'} =~ s/[^\d\.]//g;
         }
     }
 
@@ -1189,6 +1199,8 @@ sub modify_course {
                         $shown = &selfenroll_config_status(\@newmgrcc,$selfenrolltitles);
                     } elsif (($attr eq 'defaultcredits') && ($shown eq '')) {
                         $shown = &mt('None');
+                    } elsif (($attr eq 'mysqltables') && ($shown eq '')) {
+                        $shown = &mt('domain default');
                     }
                     $chgresponse .= '<li>'.&mt('[_1] now set to: [_2]',$longtype{$attr},$shown).'</li>';
                 } else {
@@ -1199,6 +1211,8 @@ sub modify_course {
                         $shown = &selfenroll_config_status(\@currmgrcc,$selfenrolltitles);
                     } elsif (($attr eq 'defaultcredits') && ($shown eq '')) {
                         $shown = &mt('None');
+                    } elsif (($attr eq 'mysqltables') && ($shown eq '')) {
+                        $shown = &mt('domain default');
                     }
                     $nochgresponse .= '<li>'.&mt('[_1] still set to: [_2]',$longtype{$attr},$shown).'</li>';
                 }
@@ -1270,6 +1284,8 @@ sub modify_course {
                 $shown = &selfenroll_config_status(\@currmgrcc,$selfenrolltitles);
             } elsif (($attr eq 'defaultcredits') && ($shown eq '')) {
                 $shown = &mt('None');
+            }  elsif (($attr eq 'mysqltables') && ($shown eq '')) {
+                $shown = &mt('domain default');
             }
             $nochgresponse .= '<li>'.&mt('[_1] still set to: [_2]',$longtype{$attr},$shown).'</li>';
         }
@@ -2115,6 +2131,7 @@ sub course_settings_descrip {
                       'autodropfailsafe' => "Failsafe section enrollment count",
                       'selfenrollmgrdc'  => "Course-specific self-enrollment configuration by Domain Coordinator",
                       'selfenrollmgrcc'  => "Course-specific self-enrollment configuration by Course personnel",
+                      'mysqltables'      => '"Temporary" student performance tables lifetime (seconds)',
 
          );
     }
@@ -2128,7 +2145,7 @@ sub hidden_form_elements {
           'locarg','krbarg','krbver','counter','hidefromcat','usecategory',
           'threshold','postsubmit','postsubtimeout','defaultcredits','uploadquota',
           'selfenrollmgrdc','selfenrollmgrcc','action','state','currsec_st',
-          'sections','newsec'],['^selfenrollmgr_'])."\n".
+          'sections','newsec','mysqltables'],['^selfenrollmgr_','^selfenroll_'])."\n".
           '<input type="hidden" name="prevphase" value="'.$env{'form.phase'}.'" />';
     return $hidden_elements;
 }