--- loncom/interface/lonparmset.pm	2018/09/14 19:06:43	1.522.2.25
+++ loncom/interface/lonparmset.pm	2024/07/01 17:12:34	1.522.2.30
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.522.2.25 2018/09/14 19:06:43 raeburn Exp $
+# $Id: lonparmset.pm,v 1.522.2.30 2024/07/01 17:12:34 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1025,7 +1025,7 @@ sub print_row {
             if (@{$usersgroups} > 1) {
                 my ($coursereply,$grp_parm,$controlgrp);
                 ($coursereply,$othergrp,$grp_parm,$controlgrp) =
-                    &&check_other_groups($$part{$which}.'.'.$$name{$which},
+                    &check_other_groups($$part{$which}.'.'.$$name{$which},
                        $rid,$cgroup,$defbgone,$usersgroups,$result,$courseopt);
                 if ($coursereply && $result > 3) {
                     if (defined($controlgrp)) {
@@ -1099,9 +1099,7 @@ sub print_td {
                 $nolink = 1;
             }
         } elsif ($mprefix =~ /availablestudent\&$/) {
-            if ($which > 3) {
-                $nolink = 1;
-            }
+            $nolink = 1;
         } elsif ($mprefix =~ /examcode\&$/) {
             unless ($which == 2) {
                 $nolink = 1;
@@ -1592,9 +1590,37 @@ sub partmenu {
 sub usermenu {
     my ($r,$uname,$id,$udom,$csec,$cgroup,$parmlev,$usersgroups,$pssymb)=@_;
     my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
-        &Apache::loncommon::selectstudent_link('parmform','uname','udom');
-    my $selscript=&Apache::loncommon::studentbrowser_javascript();
+                  &Apache::loncommon::selectstudent_link('parmform','uname','udom','condition').
+                  &Apache::lonhtmlcommon::scripttag(<<ENDJS);
+function setCourseadv(form,caller) {
+    if (caller.value == 'st') {
+        form.courseadv.value = 'none';
+    } else {
+        form.courseadv.value = '';
+    }
+    return;
+}
+ENDJS
 
+    my (%chkroles,$stuonly,$courseadv);
+    if ($env{'form.userroles'} eq 'any') {
+        $chkroles{'any'} = ' checked="checked"';
+    } else {
+        $chkroles{'st'} = ' checked="checked"';
+        $courseadv = 'none';
+    }
+    my $crstype = $env{'course.'.$env{'request.course.id'}.'.type'};
+    if ($crstype eq 'Community') {
+        $stuonly = &mt('member only');
+    } else {
+        $stuonly = &mt('student only');
+    }
+    $chooseopt .= '<br /><span class="LC_cusr_subheading">'.
+                  &mt("User's role").':&nbsp;'.
+                  '<label><input type="radio" name="userroles" value="st"'.$chkroles{'st'}.' onclick="setCourseadv(this.form,this);" />'.
+                  $stuonly.'</label>&nbsp;&nbsp;'.
+                  '<label><input type="radio" name="userroles" value="any"'.$chkroles{'any'}.' onclick="setCourseadv(this.form,this);" />'.
+                  &mt('any role').'</label><input type="hidden" id="courseadv" name="courseadv" value="'.$courseadv.'" /></span>';
     my $sections='';
     my %sectionhash = &Apache::loncommon::get_sections();
 
@@ -1717,7 +1743,7 @@ sub displaymenu {
 }
 
 sub mapmenu {
-    my ($r,$allmaps,$pschp,$maptitles,$symbp)=@_;
+    my ($r,$allmaps,$pschp,$maptitles,$symbp,$parmlev)=@_;
     my %allmaps_inverted = reverse %$allmaps;
     my $navmap = Apache::lonnavmaps::navmap->new();
     my $tree=[];
@@ -1765,7 +1791,11 @@ sub mapmenu {
         }
     }
 # Show it ...    
-    $r->print(&Apache::lonhtmlcommon::row_title(&mt('Select Enclosing Map or Folder'),'','',' id="mapmenu"'));
+    my $rowattr = ' id="mapmenu"';
+    if ($parmlev eq 'general') {
+        $rowattr .= ' style="display:none"';
+    }
+    $r->print(&Apache::lonhtmlcommon::row_title(&mt('Select Enclosing Map or Folder'),'','',$rowattr));
     if ((ref($tree) eq 'ARRAY') && (ref($treeinfo) eq 'HASH')) {
         my $icon = '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" />';
         my $whitespace =
@@ -1906,7 +1936,7 @@ sub sectionmenu {
         }
         $output .= '>'."$s</option>\n";
     }
-    $output .= "</select>\n");
+    $output .= "</select>\n";
     return $output;
 }
 
@@ -2136,25 +2166,124 @@ sub assessparms {
             $csec=&Apache::lonnet::getsection($udom,$uname,
                           $env{'request.course.id'});
             if ($csec eq '-1') {
-                $message='<span class="LC_error">'.
-                &mt("User")." '$uname' ".&mt("at domain")." '$udom' ".
-                &mt("not in this course")."</span>";
-                $uname='';
-                $csec=$env{'form.csec'};
+                my $crstype = $env{'course.'.$env{'request.course.id'}.'.type'};
+                if ($env{'form.userroles'} eq 'any') {
+                    if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
+                        $csec = $env{'request.course.sec'};
+                        $message = '<span class="LC_info">';
+                        if ($crstype eq 'Community') {
+                            $message .= &mt('User [_1] at domain [_2] has a non-member role in this community',
+                                            $uname,$udom);
+                        } else {
+                            $message .= &mt('User [_1] at domain [_2] has a non-student role in this course',
+                                            $uname,$udom);
+                        }
+                        $message .= '</span>';
+                    } else {
+                        my @possroles = ('in','ep','ta','cr');
+                        if ($crstype eq 'Community') {
+                            unshift(@possroles,'co');
+                        } else {
+                            unshift(@possroles,'cc');
+                        }
+                        my %not_student_roles =
+                            &Apache::lonnet::get_my_roles($uname,$udom,'userroles',['active'],
+                                                          \@possroles,[$udom],1,1);
+                        my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                        my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                        my %sections_by_role;
+                        foreach my $role (keys(%not_student_roles)) {
+                            if ($role =~ /^\Q$cnum:$cdom:\E([^:]+):(|[^:]+)$/) {
+                                my ($rolename,$sec) = ($1,$2);
+                                if ($rolename =~ m{^cr/}) {
+                                    $rolename = 'cr';
+                                }
+                                push(@{$sections_by_role{$rolename}},$sec);
+                            }
+                        }
+                        my $numroles = scalar(keys(%sections_by_role));
+                        if ($numroles) {
+                            foreach my $role (@possroles) {
+                                if (ref($sections_by_role{$role}) eq 'ARRAY') {
+                                    my @secs = sort { $a <=> $b } @{$sections_by_role{$role}};
+                                    $csec = $secs[0]; 
+                                    last;
+                                }
+                            }
+                        }
+                        if ($csec eq '-1') {
+                            $message = '<span class="LC_warning">';
+                            if ($crstype eq 'Community') {
+                                $message .= &mt('User [_1] at domain [_2] does not have a role in this community',
+                                                $uname,$udom);
+                            } else {
+                                $message .= &mt('User [_1] at domain [_2] does not have a role in this course',
+                                                $uname,$udom);
+                            }
+                            $message .= '</span>';
+                            $uname='';
+                            if ($env{'request.course.sec'} ne '') {
+                                $csec=$env{'request.course.sec'};
+                            } else {
+                                $csec=$env{'form.csec'};
+                            }
+                            $cgroup=$env{'form.cgroup'};
+                        } else {
+                            $message = '<span class="LC_info">';
+                            if ($crstype eq 'Community') {
+                                $message .= &mt('User [_1] at domain [_2] has a non-member role in this community',
+                                         $uname,$udom);
+                            } else {
+                                $message .= &mt('User [_1] at domain [_2] has a non-student role in this course',
+                                                $uname,$udom);
+                            }
+                            $message .= '</span>';
+                        }
+                    }
+                } else {
+                    $message = '<span class="LC_warning">';
+                    if ($crstype eq 'Community') {
+                        $message .= &mt('User [_1] at domain [_2] does not have a member role in this community',
+                                         $uname,$udom);
+                    } else {
+                         $message .= &mt('User [_1] at domain [_2] does not have a student role in this course',
+                                         $uname,$udom);
+                    }
+                    $message .= '</span>';
+                    $uname=''; 
+                    if ($env{'request.course.sec'} ne '') {
+                        $csec=$env{'request.course.sec'};
+                    } else {
+                        $csec=$env{'form.csec'};
+                    }
+                    $cgroup=$env{'form.cgroup'};
+                }
+            } elsif ($env{'request.course.sec'} ne '') {
+                if ($csec ne $env{'request.course.sec'}) {
+                    $message='<span class="LC_warning">'.
+                              &mt("User '[_1]' at domain '[_2]' not in section '[_3]'",
+                                  $uname,$udom,$env{'request.course.sec'}).
+                              '</span>';
+                    $uname='';
+                    $csec=$env{'request.course.sec'};
+                }
                 $cgroup=$env{'form.cgroup'};
-            } else {
+            }
+            if ($uname ne '') {
                 my %name=&Apache::lonnet::userenvironment($udom,$uname,
                   ('firstname','middlename','lastname','generation','id'));
-                $message="\n<p>\n".&mt("Full Name").": ".
-                $name{'firstname'}.' '.$name{'middlename'}.' '
-                .$name{'lastname'}.' '.$name{'generation'}.
-                "<br />\n".&mt('Student/Employee ID').": ".$name{'id'}.'<p>';
-            }
-            @usersgroups = &Apache::lonnet::get_users_groups(
-                                       $udom,$uname,$env{'request.course.id'});
-            if (@usersgroups > 0) {
-                unless (grep(/^\Q$cgroup\E$/,@usersgroups)) {
-                    $cgroup = $usersgroups[0];
+                $message .= "\n<p>\n".&mt('Full Name').': '
+                            .$name{'firstname'}.' '.$name{'middlename'}.' '
+                            .$name{'lastname'}.' '.$name{'generation'}
+                            ."<br />\n".&mt('Student/Employee ID').': '.$name{'id'}.'</p>';
+                @usersgroups = &Apache::lonnet::get_users_groups(
+                                   $udom,$uname,$env{'request.course.id'});
+                if (@usersgroups > 0) {
+                    unless (grep(/^\Q$cgroup\E$/,@usersgroups)) {
+                        $cgroup = $usersgroups[0];
+                    }
+                } else {
+                    $cgroup = '';
                 }
             }
         }
@@ -2181,6 +2310,7 @@ sub assessparms {
         my $chome = $env{'course.'.$env{'request.course.id'}.'.home'};
         my ($got_chostname,$chostname,$cmajor,$cminor);
         my $totalstored = 0;
+        my $totalskippeduser = 0;
         my $now = time;
         for (my $i=0;$i<=$#markers;$i++) {
             my ($needsrelease,$needsnewer,$name);
@@ -2189,6 +2319,11 @@ sub assessparms {
             }
             if ($markers[$i] =~ /\&(6|5|4)$/) {
                 next if ($noeditgrp);
+            } elsif ($markers[$i] =~ /\&(3|2|1)$/) {
+                if ($uname eq '') {
+                    $totalskippeduser ++;
+                    next;
+                }
             }
             if ($markers[$i] =~ /^[\d.]+\&0_availablestudent\&(1|2|3)$/) {
                 my (@ok_slots,@fail_slots,@del_slots);
@@ -2266,9 +2401,27 @@ sub assessparms {
 # ---------------------------------------------------------------- Done storing
         if ($totalstored) {
             $message.='<p class="LC_warning">'
+                     .&mt('Changes for [quant,_1,parameter] saved.',$totalstored)
+                     .'<br />'
                      .&mt('Changes can take up to 10 minutes before being active for all students.')
                      .&Apache::loncommon::help_open_topic('Caching')
                      .'</p>';
+        } else {
+            $message.='<p class="LC_info">'.&mt('No parameter changes saved.').'</p>';
+        }
+        if ($totalskippeduser) {
+            $message .= '<p class="LC_warning">';
+            if ($uhome eq 'no_host') {
+                $message .= &mt('Changes for [quant,_1,user-specific parameter] not saved because the username or ID was invalid.',
+                                $totalskippeduser);
+            } elsif ($env{'form.userroles'} eq 'any') {
+                $message .= &mt('Changes for [quant,_1,user-specific parameter] not saved because the user does not have a course role.',
+                                $totalskippeduser);
+            } else {
+                $message .= &mt('Changes for [quant,_1,user-specific parameter] not saved because the user is not a student.',
+                                $totalskippeduser);
+            }
+            $message .= '</p>';
         }
     }
 #----------------------------------------------- if all selected, fill in array
@@ -2320,7 +2473,7 @@ ENDPARMSELSCRIPT
         $r->print(&Apache::lonhtmlcommon::start_pick_box(undef,'parmlevel'));
         &levelmenu($r,\%alllevs,$parmlev);
         $r->print(&Apache::lonhtmlcommon::row_closure());
-        &mapmenu($r,\%allmaps,$pschp,\%maptitles, \%symbp);
+        &mapmenu($r,\%allmaps,$pschp,\%maptitles,\%symbp,$parmlev);
         $r->print(&Apache::lonhtmlcommon::row_closure());
         $r->print(&Apache::lonhtmlcommon::row_title(&mt('Select Parts to View')));
         &partmenu($r,\%allparts,\@psprt);
@@ -2615,7 +2768,7 @@ ENDTABLEHEADFOUR
 
 #-------------------------------------------- for each map, gather information
             my $mapid;
-               foreach $mapid (sort {$maplist{$a} cmp $maplist{$b}} keys %maplist) {
+               foreach $mapid (sort { $a <=> $b } keys(%maplist)) {
                 my $maptitle = $maplist{$mapid};
 
 #-----------------------  loop through ids and get all parameter types for map
@@ -3063,6 +3216,7 @@ sub listdata {
     $tableopen=0;
     my $foundkeys=0;
     my %keyorder=&standardkeyorder();
+    my $readonlyall = $readonly;
 
     my ($secidx,%grouphash);
     if (($env{'request.course.sec'} ne '') && ($caller eq 'overview')) {
@@ -3123,6 +3277,9 @@ sub listdata {
         my ($middle,$part,$name)=
         ($thiskey=~/^$env{'request.course.id'}\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
         my $section=&mt('All Students');
+        $readonly = $readonlyall;
+        my $userscope;
+        my $showval = $$resourcedata{$thiskey};
         if ($middle=~/^\[(.*)\]/) {
             my $issection=$1;
             if ($issection=~/^useropt\:($match_username)\:($match_domain)/) {
@@ -3135,6 +3292,7 @@ sub listdata {
                     }
                 }
                 $section=&mt('User').": ".&Apache::loncommon::plainname($1,$2);
+                $userscope = 1;
             } else {
                 if (($env{'request.course.sec'} ne '') && ($caller eq 'overview')) {
                     if (exists($grouphash{$issection})) {
@@ -3160,6 +3318,7 @@ sub listdata {
         $realm='<span class="LC_parm_scope_folder">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <br /><span class="LC_parm_folder">('.$1.')</span></span>';
         } elsif ($middle) {
         my ($map,$id,$url)=&Apache::lonnet::decode_symb($middle);
+        next if (($url =~ /\.(page|sequence)$/) && ($parmlev eq 'full') && ($caller eq 'newoverview'));
         $realm='<span class="LC_parm_scope_resource">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><span class="LC_parm_symb">('.$url.' in '.$map.' id: '.$id.')</span></span>';
         }
         if ($sortorder eq 'realmstudent') {
@@ -3199,8 +3358,13 @@ sub listdata {
               '<td><b>'.&mt($parmitem).
               '</b></td>');
         unless ($readonly) {
+            my $disabled;
+            if (($name eq 'availablestudent') &&
+                (($showval eq '') || ($userscope))) {
+                $disabled = ' disabled="disabled"';
+            }
             $r->print('<td><input type="checkbox" name="del_'.
-                      $thiskey.'" /></td>');
+                      $thiskey.'"'.$disabled.' /></td>');
         }
         $r->print('<td>');
         $foundkeys++;
@@ -3228,6 +3392,9 @@ sub listdata {
             $r->print(&date_interval_selector($thiskey,
                       $$resourcedata{$thiskey},$readonly));
         } elsif ($thistype =~ m/^string/) {
+            if ($name eq 'availablestudent') {
+                $readonly = 1;
+            }
             $r->print(&string_selector($thistype,$thiskey,
                       $$resourcedata{$thiskey},$name,$readonly));
         } else {
@@ -3247,18 +3414,24 @@ sub listdata {
 sub date_interval_selector {
     my ($thiskey, $showval, $readonly) = @_;
     my $result;
+    my $currval = $showval;
     foreach my $which (['days', 86400, 31],
                ['hours', 3600, 23],
                ['minutes', 60, 59],
                ['seconds',  1, 59]) {
-    my ($name, $factor, $max) = @{ $which };
-    my $amount = int($showval/$factor);
-    $showval  %= $factor;
-    my %select = ((map {$_ => $_} (0..$max)),
-              'select_form_order' => [0..$max]);
-    $result .= &Apache::loncommon::select_form($amount,$name.'_'.$thiskey,
-                           \%select,'',$readonly);
-    $result .= ' '.&mt($name);
+        my ($name, $factor, $max) = @{ $which };
+        my $amount = int($showval/$factor);
+        $showval  %= $factor;
+        my %select = ((map {$_ => $_} (0..$max)),
+                      'select_form_order' => [0..$max]);
+        if ($currval eq '') {
+            unshift(@{$select{'select_form_order'}},'');
+            $select{''} = '';
+            $amount = '';
+        }
+        $result .= &Apache::loncommon::select_form($amount,$name.'_'.$thiskey,
+                                                   \%select,'',$readonly);
+        $result .= ' '.&mt($name);
     }
     unless ($readonly) {
         $result .= '<input type="hidden" name="dateinterval_'.$thiskey.'" />';
@@ -3270,15 +3443,20 @@ sub date_interval_selector {
 sub get_date_interval_from_form {
     my ($key) = @_;
     my $seconds = 0;
+    my $numnotnull = 0;
     foreach my $which (['days', 86400],
                ['hours', 3600],
                ['minutes', 60],
                ['seconds',  1]) {
-    my ($name, $factor) = @{ $which };
-    if (defined($env{'form.'.$name.'_'.$key})) {
-        $seconds += $env{'form.'.$name.'_'.$key} * $factor;
-    }
+        my ($name, $factor) = @{ $which };
+        if (defined($env{'form.'.$name.'_'.$key})) {
+            unless ($env{'form.'.$name.'_'.$key} eq '') {
+                $numnotnull ++;
+                $seconds += $env{'form.'.$name.'_'.$key} * $factor;
+            }
+        }
     }
+    return if (!$numnotnull);
     return $seconds;
 }
 
@@ -3418,9 +3596,22 @@ sub string_selector {
 #
 
 sub dateshift {
-    my ($shift)=@_;
+    my ($shift,$numchanges)=@_;
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $sec = $env{'request.course.sec'};
+    my $secgrpregex;
+    if ($sec ne '') {
+        my @groups;
+        if ($env{'request.course.groups'} ne '') {
+            @groups = split(/:/,$env{'request.course.groups'});
+        }
+        if (@groups) {
+            $secgrpregex = '(?:'.join('|',($sec,@groups)).')';
+        } else {
+            $secgrpregex = $sec;
+        }
+    }
     my %data=&Apache::lonnet::dump('resourcedata',$dom,$crs);
 # ugly retro fix for broken version of types
     foreach my $key (keys %data) {
@@ -3435,7 +3626,11 @@ sub dateshift {
 # go through all parameters and look for dates
     foreach my $key (keys %data) {
        if ($data{$key.'.type'}=~/^date_(start|end)$/) {
+          if ($sec ne '') {
+              next unless ($key =~ /^$env{'request.course.id'}\.\[$secgrpregex\]\./);
+          }
           my $newdate=$data{$key}+$shift;
+          $$numchanges ++;
           $storecontent{$key}=$newdate;
        }
     }
@@ -3543,10 +3738,8 @@ ENDOVER
     $r->print('<div>');
     $r->print(&Apache::lonhtmlcommon::start_pick_box(undef,'parmlevel'));
     &levelmenu($r,\%alllevs,$parmlev);
-    if ($parmlev ne 'general') {
-        $r->print(&Apache::lonhtmlcommon::row_closure());
-        &mapmenu($r,\%allmaps,$pschp,\%maptitles,\%symbp);
-    }
+    $r->print(&Apache::lonhtmlcommon::row_closure());
+    &mapmenu($r,\%allmaps,$pschp,\%maptitles,\%symbp,$parmlev);
     $r->print(&Apache::lonhtmlcommon::row_closure(1));
     $r->print(&Apache::lonhtmlcommon::end_pick_box());
     $r->print('</div></div>');
@@ -3794,9 +3987,21 @@ sub date_shift_one {
     my ($r) = @_;
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
-
+    my $sec = $env{'request.course.sec'};
     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=dateshift1&timebase='.$env{'form.timebase'},
         text=>"Shifting Dates"});
+    my $submit_text = &mt('Shift all dates accordingly');
+    if ($sec ne '') {
+        my @groups;
+        if ($env{'request.course.groups'} ne '') {
+            @groups = split(/:/,$env{'request.course.groups'});
+        }
+        if (@groups) {
+            $submit_text = &mt("Shift dates set just for your section/group(s), accordingly");
+        } else {
+            $submit_text = &mt("Shift dates set just for your section, accordingly");
+        }
+    }
     my $start_page=&Apache::loncommon::start_page('Shift Dates');
     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Shift');
     $r->print($start_page.$breadcrumbs);
@@ -3811,7 +4016,7 @@ sub date_shift_one {
               '</td></tr></table>'.
               '<input type="hidden" name="action" value="dateshift2" />'.
               '<input type="hidden" name="timebase" value="'.$env{'form.timebase'}.'" />'.
-              '<input type="submit" value="'.&mt('Shift all dates accordingly').'" /></form>');
+              '<input type="submit" value="'.$submit_text.'" /></form>');
     $r->print(&Apache::loncommon::end_page());
 }
 
@@ -3819,20 +4024,54 @@ sub date_shift_two {
     my ($r) = @_;
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $sec = $env{'request.course.sec'};
     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=dateshift1&timebase='.$env{'form.timebase'},
         text=>"Shifting Dates"});
     my $start_page=&Apache::loncommon::start_page('Shift Dates');
     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Shift');
     $r->print($start_page.$breadcrumbs);
     my $timeshifted=&Apache::lonhtmlcommon::get_date_from_form('timeshifted');
-    $r->print('<h2>'.&mt('Shift Dates').'</h2>'.
-              '<p>'.&mt('Shifting all dates such that [_1] becomes [_2]',
-              &Apache::lonlocal::locallocaltime($env{'form.timebase'}),
-              &Apache::lonlocal::locallocaltime($timeshifted)).'</p>');
+    $r->print('<h2>'.&mt('Shift Dates').'</h2>');
+    if ($sec ne '') {
+        my @groups;
+        if ($env{'request.course.groups'} ne '') {
+            @groups = split(/:/,$env{'request.course.groups'});
+        }
+        if (@groups) {
+            $r->print('<p>'.
+                      &mt("Shift dates set just for your section/group(s), such that [_1] becomes [_2]",
+                          &Apache::lonlocal::locallocaltime($env{'form.timebase'}),
+                          &Apache::lonlocal::locallocaltime($timeshifted)).
+                      '</p>');
+        } else {
+            $r->print('<p>'.
+                      &mt("Shift dates set just for your section, such that [_1] becomes [_2]",
+                          &Apache::lonlocal::locallocaltime($env{'form.timebase'}),
+                          &Apache::lonlocal::locallocaltime($timeshifted)).
+                      '</p>');
+        }
+    } else {
+        $r->print('<p>'.&mt('Shifting all dates such that [_1] becomes [_2]',
+                            &Apache::lonlocal::locallocaltime($env{'form.timebase'}),
+                            &Apache::lonlocal::locallocaltime($timeshifted)).
+                  '</p>');
+    }
     my $delta=$timeshifted-$env{'form.timebase'};
-    &dateshift($delta);
+    my $numchanges = 0;
+    my $result = &dateshift($delta,\$numchanges);
+    if ($result eq 'ok') {
+        $r->print(
+            &Apache::lonhtmlcommon::confirm_success(&mt('Completed shifting of [quant,_1,date setting]',
+                                                    $numchanges)));
+    } elsif ($result eq 'con_delayed') {
+        $r->print(
+            &Apache::lonhtmlcommon::confirm_success(&mt('Queued shifting of [quant,_1,date setting]',
+                                                        $numchanges)));
+    } else {
+        $r->print(
+            &Apache::lonhtmlcommon::confirm_success(&mt('An error occurred attempting to shift dates'),1));
+    }
     $r->print(
-        &Apache::lonhtmlcommon::confirm_success(&mt('Done')).
         '<br /><br />'.
         &Apache::lonhtmlcommon::actionbox(
             ['<a href="/adm/parmset">'.&mt('Content and Problem Settings').'</a>']));
@@ -4647,6 +4886,12 @@ sub parm_change_log {
     }
     if ($last) { ($folder) = &Apache::lonnet::decode_symb($last); }
     }
+    my $numgroups = 0;
+    my @groups;
+    if ($env{'request.course.groups'} ne '') {
+        @groups = split(/:/,$env{'request.course.groups'});
+        $numgroups = scalar(@groups);
+    }
     foreach my $id (sort
             {
             if ($parmlog{$b}{'exe_time'} ne $parmlog{$a}{'exe_time'}) {
@@ -4687,7 +4932,8 @@ sub parm_change_log {
             my ($realm,$section,$parmname,$part,$what,$middle,$uname,$udom,$issection,$realmdescription)=
         &components($changed,$parmlog{$id}{'uname'},$parmlog{$id}{'udom'},undef,undef,$typeflag);
         if ($env{'request.course.sec'} ne '') {
-            next if (($issection ne '') && ($issection ne $env{'request.course.sec'}));
+            next if (($issection ne '') && (!(($issection eq $env{'request.course.sec'}) ||
+                                              ($numgroups && (grep(/^\Q$issection\E$/,@groups))))));
             if ($uname ne '') {
                 my $stusection = &Apache::lonnet::getsection($uname,$udom,$env{'request.course.id'});
                 next if (($stusection ne '-1') && ($stusection ne $env{'request.course.sec'}));