--- loncom/interface/lonuserutils.pm	2008/01/02 08:01:22	1.40
+++ loncom/interface/lonuserutils.pm	2008/05/19 17:10:19	1.55
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.40 2008/01/02 08:01:22 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.55 2008/05/19 17:10:19 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -42,7 +42,7 @@ use LONCAPA qw(:DEFAULT :match);
 ###############################################################
 # Drop student from all sections of a course, except optional $csec
 sub modifystudent {
-    my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
+    my ($udom,$unam,$courseid,$csec,$desiredhost,$context)=@_;
     # if $csec is undefined, drop the student from all the courses matching
     # this one.  If $csec is defined, drop them from all other sections of
     # this course and add them to section $csec
@@ -69,7 +69,7 @@ sub modifystudent {
                         # dom  name  id mode pass     f     m     l     g
                         ($udom,$unam,'',  '',  '',undef,undef,undef,undef,
                          $section,time,undef,undef,$desiredhost,'','manual',
-                         '',$courseid);
+                         '',$courseid,'',$context);
                     $result .= $reply.':';
                 }
             }
@@ -129,7 +129,8 @@ sub modifyuserrole {
         if ($role ne '') {
             $role =~ s/_/\//g;
             $roleresult = &Apache::lonnet::assignrole($udom,$uname,$scope,
-                                                      $role,$end,$start);
+                                                      $role,$end,$start,'',
+                                                      '',$context);
         }
     }
     return ($userresult,$authresult,$roleresult,$idresult);
@@ -924,8 +925,15 @@ sub setup_date_selectors {
 
 
 sub get_dates_from_form {
-    my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
-    my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
+    my ($startname,$endname) = @_;
+    if ($startname eq '') {
+        $startname = 'startdate';
+    }
+    if ($endname eq '') {
+        $endname = 'enddate';
+    }
+    my $startdate = &Apache::lonhtmlcommon::get_date_from_form($startname);
+    my $enddate   = &Apache::lonhtmlcommon::get_date_from_form($endname);
     if ($env{'form.no_end_date'}) {
         $enddate = 0;
     }
@@ -1251,34 +1259,11 @@ sub print_userlist {
     if ($env{'form.showrole'} eq 'Any') {
        $roleselected = ' selected="selected" '; 
     }
-    my ($role_select,$cnum,$cdom);
-    if ($context eq 'domain') {
-        $role_select = &domain_roles_select();
-        $r->print('<label>'.&mt('Role Type: [_1]',$role_select).'</label>');
-    } else {
-        $role_select = '<select name="showrole">'."\n".
-                       '<option value="Any" '.$roleselected.'>'.
-                       &mt('Any role').'</option>';
-        my @poss_roles = &curr_role_permissions($context);
-        foreach my $role (@poss_roles) {
-            $roleselected = '';
-            if ($role eq $env{'form.showrole'}) {
-                $roleselected = ' selected="selected" ';
-            }
-            my $plrole;
-            if ($role eq 'cr') {
-                $plrole = &mt('Custom role');
-            } else {
-                $plrole=&Apache::lonnet::plaintext($role);
-            }
-            $role_select .= '<option value="'.$role.'"'.$roleselected.'>'.$plrole.'</option>';
-        }
-        $role_select .= '</select>';
-        $r->print('<label>'.&mt('Role: [_1]',$role_select).'</label>');
-        if ($context eq 'course') {
-            ($cnum,$cdom) = &get_course_identity();
-            $r->print(&section_group_filter($cnum,$cdom));
-        }
+    my ($cnum,$cdom);
+    $r->print(&role_filter($context));
+    if ($context eq 'course') {
+        ($cnum,$cdom) = &get_course_identity();
+        $r->print(&section_group_filter($cnum,$cdom));
     }
     if (!(($context eq 'domain') && ($env{'form.roletype'} eq 'course'))) {
         $r->print('&nbsp;'.&list_submit_button(&mt('Update Display')).
@@ -1307,33 +1292,24 @@ sub print_userlist {
     }
     $r->rflush();
     if ($context eq 'course') {
-        my $classlist = &Apache::loncoursedata::get_classlist();
-        my $secidx = &Apache::loncoursedata::CL_SECTION();
-        my $viewablesec = &viewable_section($permission);
-        foreach my $student (keys(%{$classlist})) {
-            my $section = $classlist->{$student}[$secidx];
-            if ($viewablesec ne '') {
-                if ($section ne $viewablesec) {
-                    next;
-                } else {
-                    $userlist{$student} = $classlist->{$student};
-                }
+        if (($env{'form.showrole'} eq 'st') || ($env{'form.showrole'} eq 'Any')) { 
+            my $classlist = &Apache::loncoursedata::get_classlist();
+            %userlist = %{$classlist};
+        }
+        if ($env{'form.showrole'} ne 'st') {
+            my $showroles;
+            if ($env{'form.showrole'} ne 'Any') {
+                $showroles = [$env{'form.showrole'}];
             } else {
-                $userlist{$student} = $classlist->{$student};
+                $showroles = undef;
             }
+            my $withsec = 1;
+            my $hidepriv = 1;
+            my %advrolehash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,
+                              \@statuses,$showroles,undef,$withsec,$hidepriv);
+            &gather_userinfo($context,$format,\%userlist,$indexhash,\%userinfo,
+                             \%advrolehash,$permission);
         }
-        my $showroles;
-        if ($env{'form.showrole'} ne 'Any') {
-            $showroles = [$env{'form.showrole'}];
-        } else {
-            $showroles = undef;
-        }
-        my $withsec = 1;
-        my $hidepriv = 1;
-        my %advrolehash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,
-                                    \@statuses,$showroles,undef,$withsec,$hidepriv);
-        &gather_userinfo($context,$format,\%userlist,$indexhash,\%userinfo,
-                         \%advrolehash,$permission);
     } else {
         my (%cstr_roles,%dom_roles);
         if ($context eq 'author') {
@@ -1459,6 +1435,41 @@ sub print_userlist {
               $env{'form.phase'}.'" /></form>');
 }
 
+sub role_filter {
+    my ($context) = @_;
+    my $output;
+    my $roleselected = '';
+    if ($env{'form.showrole'} eq 'Any') {
+       $roleselected = ' selected="selected" ';
+    }
+    my ($role_select);
+    if ($context eq 'domain') {
+        $role_select = &domain_roles_select();
+        $output = '<label>'.&mt('Role Type: [_1]',$role_select).'</label>';
+    } else {
+        $role_select = '<select name="showrole">'."\n".
+                       '<option value="Any" '.$roleselected.'>'.
+                       &mt('Any role').'</option>';
+        my @poss_roles = &curr_role_permissions($context);
+        foreach my $role (@poss_roles) {
+            $roleselected = '';
+            if ($role eq $env{'form.showrole'}) {
+                $roleselected = ' selected="selected" ';
+            }
+            my $plrole;
+            if ($role eq 'cr') {
+                $plrole = &mt('Custom role');
+            } else {
+                $plrole=&Apache::lonnet::plaintext($role);
+            }
+            $role_select .= '<option value="'.$role.'"'.$roleselected.'>'.$plrole.'</option>';
+        }
+        $role_select .= '</select>';
+        $output = '<label>'.&mt('Role: [_1]',$role_select).'</label>';
+    }
+    return $output;
+}
+
 sub section_group_filter {
     my ($cnum,$cdom) = @_;
     my @filters;
@@ -1476,9 +1487,9 @@ sub section_group_filter {
                                               all  => 'all',
                                               none => 'none',
                                             );
-    my ($output,@options);
+    my $output;
     foreach my $item (@filters) {
-        my $markup; 
+        my ($markup,@options); 
         if ($env{'form.'.$name{$item}} eq '') {
             $env{'form.'.$name{$item}} = 'all';
         }
@@ -1522,6 +1533,10 @@ sub list_submit_button {
 
 sub gather_userinfo {
     my ($context,$format,$userlist,$indexhash,$userinfo,$rolehash,$permission) = @_;
+    my $viewablesec;
+    if ($context eq 'course') {
+        $viewablesec = &viewable_section($permission);
+    }
     foreach my $item (keys(%{$rolehash})) {
         my %userdata;
         if ($context eq 'author') { 
@@ -1531,7 +1546,6 @@ sub gather_userinfo {
             &build_user_record($context,\%userdata,$userinfo,$indexhash,
                                $item,$userlist);
         } elsif ($context eq 'course') {
-            my $viewablesec = &viewable_section($permission);
             ($userdata{'username'},$userdata{'domain'},$userdata{'role'},
              $userdata{'section'}) = split(/:/,$item,-1);
             ($userdata{'start'},$userdata{'end'})=split(/:/,$rolehash->{$item});
@@ -1799,6 +1813,8 @@ sub make_keylist_array {
     $index->{'email'} = &Apache::loncoursedata::CL_PERMANENTEMAIL();
     $index->{'role'} = &Apache::loncoursedata::CL_ROLE();
     $index->{'extent'} = &Apache::loncoursedata::CL_EXTENT();
+    $index->{'photo'} = &Apache::loncoursedata::CL_PHOTO();
+    $index->{'thumbnail'} = &Apache::loncoursedata::CL_THUMBNAIL();
     foreach my $key (keys(%{$index})) {
         $keylist->[$index->{$key}] = $key;
     }
@@ -1847,7 +1863,10 @@ sub process_date_info {
 }
 
 sub show_users_list {
-    my ($r,$context,$mode,$permission,$statusmode,$userlist,$keylist)=@_;
+    my ($r,$context,$mode,$permission,$statusmode,$userlist,$keylist,$formname)=@_;
+    if ($formname eq '') {
+        $formname = 'studentform';
+    }
     #
     # Variables for excel output
     my ($excel_workbook, $excel_sheet, $excel_filename,$row,$format);
@@ -1862,6 +1881,9 @@ sub show_users_list {
     } else {
         push(@sortable,'extent');
     }
+    if ($mode eq 'pickauthor') {
+        @sortable = ('username','fullname','email','status');
+    }
     if (!grep(/^\Q$sortby\E$/,@sortable)) {
         $sortby = 'username';
     }
@@ -1902,7 +1924,7 @@ function photowindow(photolink) {
 END
         }
     }
-    if ($mode ne 'autoenroll') {
+    if ($mode ne 'autoenroll' && $mode ne 'pickauthor') {
         my $check_uncheck_js = &Apache::loncommon::check_uncheck_jscript();
         my $alert = &mt("You must select at least one user by checking a user's 'Select' checkbox");
         my $singconfirm = &mt(' for a single user?');
@@ -1944,8 +1966,8 @@ function verify_action (field) {
         alert("$alert");
     } 
     else {
-        var message = document.studentform.bulkaction[document.studentform.bulkaction.selectedIndex].text;
-        var choice = document.studentform.bulkaction[document.studentform.bulkaction.selectedIndex].value;
+        var message = document.$formname.bulkaction[document.$formname.bulkaction.selectedIndex].text;
+        var choice = document.$formname.bulkaction[document.$formname.bulkaction.selectedIndex].value;
         if (numchecked == 1) { 
             message += singconf;
         } 
@@ -1954,14 +1976,14 @@ function verify_action (field) {
         }
         if (choice == 'chgdates' || choice == 'reenable' || choice == 'activate') {
             var datemsg = '';
-            if ((document.studentform.startdate_month.value == '') && 
-                (document.studentform.startdate_day.value  == '') &&
-                (document.studentform.startdate_year.value == '')) {
+            if ((document.$formname.startdate_month.value == '') && 
+                (document.$formname.startdate_day.value  == '') &&
+                (document.$formname.startdate_year.value == '')) {
                 datemsg = "\\n$lt{'acwi'},\\n$lt{'asyo'}.\\n";
             }
-            if ((document.studentform.enddate_month.value == '') &&
-                (document.studentform.enddate_day.value  == '') &&
-                (document.studentform.enddate_year.value == '')) {
+            if ((document.$formname.enddate_month.value == '') &&
+                (document.$formname.enddate_day.value  == '') &&
+                (document.$formname.enddate_year.value == '')) {
                 datemsg += "\\n$lt{'accw'},\\n$lt{'asyd'}.\\n";
             }
             if (datemsg != '') {
@@ -1969,9 +1991,9 @@ function verify_action (field) {
             }
         }
         if (choice == 'chgsec') {
-            var rolefilter = document.studentform.showrole.options[document.studentform.showrole.selectedIndex].value;
-            var retained =  document.studentform.retainsec.value;
-            var secshow = document.studentform.newsecs.value;
+            var rolefilter = document.$formname.showrole.options[document.$formname.showrole.selectedIndex].value;
+            var retained =  document.$formname.retainsec.value;
+            var secshow = document.$formname.newsecs.value;
             if (secshow == '') {
                 if (rolefilter == 'st' || retained == 0 || retained == "") {
                     message += "\\n\\n$lt{'sewi'},\\n$lt{'ayes'},\\n$lt{'oryo'}.\\n"; 
@@ -1987,28 +2009,44 @@ function verify_action (field) {
             }
         }
         if (confirm(message)) {
-            document.studentform.phase.value = 'bulkchange';
-            document.studentform.submit();
+            document.$formname.phase.value = 'bulkchange';
+            document.$formname.submit();
         }
     }
 }
 
 function username_display_launch(username,domain) {
     var target;
-    for (var i=0; i<document.studentform.usernamelink.length; i++) {
-        if (document.studentform.usernamelink[i].checked) {
-            target = document.studentform.usernamelink[i].value;
+    for (var i=0; i<document.$formname.usernamelink.length; i++) {
+        if (document.$formname.usernamelink[i].checked) {
+            target = document.$formname.usernamelink[i].value;
         }
     }
     if (target == 'modify') {
-        document.studentform.srchterm.value=username;
-        document.studentform.srchdomain.value=domain;
-        document.studentform.phase.value='get_user_info';
-        document.studentform.action.value = 'singleuser';
-        document.studentform.submit();
+        if (document.$formname.userwin.checked == true) {
+            var url = '/adm/createuser?srchterm='+username+'&srchdomain='+domain+'&phase=get_user_info&action=singleuser&srchin=dom&srchby=uname&srchtype=exact&popup=1';
+            var options = 'height=600,width=800,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no';
+            modifywin = window.open(url,'',options,1);
+            modifywin.focus();
+            return;
+        } else {
+            document.$formname.srchterm.value=username;
+            document.$formname.srchdomain.value=domain;
+            document.$formname.phase.value='get_user_info';
+            document.$formname.action.value = 'singleuser';
+            document.$formname.submit();
+        }
     }
-    else {
-        document.location.href = '/adm/'+domain+'/'+username+'/aboutme';
+    if (target == 'aboutme') {
+        if (document.$formname.userwin.checked == true) {
+            var url = '/adm/'+domain+'/'+username+'/aboutme?popup=1';
+            var options = 'height=600,width=800,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no';
+            aboutmewin = window.open(url,'',options,1);
+            aboutmewin.focus();
+            return;
+        } else {
+            document.location.href = '/adm/'+domain+'/'+username+'/aboutme';
+        }
     }
 }
 </script>
@@ -2036,12 +2074,14 @@ END
                        'clicker'    => "clicker id",
                        'photo'      => "photo",
                        'extent'     => "extent",
+                       'go'         => "go",
                        'pr'         => "Proceed",
                        'ca'         => "check all",
                        'ua'         => "uncheck all",
                        'ac'         => "Action to take for selected users",
                        'link'       => "Behavior of username links",
                        'aboutme'    => "Display a user's personal page",
+                       'owin'       => "Open in a new window",
                        'modify'     => "Modify a user's information",
                       );
     if ($context eq 'domain' && $env{'form.roletype'} eq 'course') {
@@ -2049,28 +2089,33 @@ END
     } elsif ($context eq 'author') {
         $lt{'extent'} = &mt('Author'); 
     }
-    my @cols = ('username','domain','id','fullname');
-    if ($context eq 'course') {
-        push(@cols,'section');
-    }
-    if (!($context eq 'domain' && $env{'form.roletype'} eq 'course')) { 
-        push(@cols,('start','end'));
-    }
-    if ($env{'form.showrole'} eq 'Any' || $env{'form.showrole'} eq 'cr') {
-        push(@cols,'role');
-    }
-    if ($context eq 'domain' && ($env{'form.roletype'} eq 'author' ||
-                                $env{'form.roletype'} eq 'course')) {
-        push (@cols,'extent');
-    }
-    if (($statusmode eq 'Any') && 
-        (!($context eq 'domain' && $env{'form.roletype'} eq 'course'))) {
-        push(@cols,'status');
-    }
-    if ($context eq 'course') {
-        push(@cols,'groups');
+    my @cols;
+    if ($mode eq 'pickauthor') {
+        @cols = ('username','fullname','status','email');
+    } else {
+        @cols = ('username','domain','id','fullname');
+        if ($context eq 'course') {
+            push(@cols,'section');
+        }
+        if (!($context eq 'domain' && $env{'form.roletype'} eq 'course')) { 
+            push(@cols,('start','end'));
+        }
+        if ($env{'form.showrole'} eq 'Any' || $env{'form.showrole'} eq 'cr') {
+            push(@cols,'role');
+        }
+        if ($context eq 'domain' && ($env{'form.roletype'} eq 'author' ||
+                                    $env{'form.roletype'} eq 'course')) {
+            push (@cols,'extent');
+        }
+        if (($statusmode eq 'Any') && 
+            (!($context eq 'domain' && $env{'form.roletype'} eq 'course'))) {
+            push(@cols,'status');
+        }
+        if ($context eq 'course') {
+            push(@cols,'groups');
+        }
+        push(@cols,'email');
     }
-    push(@cols,'email');
 
     my $rolefilter = $env{'form.showrole'};
     if ($env{'form.showrole'} eq 'cr') {
@@ -2085,10 +2130,10 @@ END
         $r->print('<b>'.$results_description.'</b><br />');
     }
     my ($output,$actionselect,%canchange,%canchangesec);
-    if ($mode eq 'html' || $mode eq 'view' || $mode eq 'autoenroll') {
-        if ($mode ne 'autoenroll') {
+    if ($mode eq 'html' || $mode eq 'view' || $mode eq 'autoenroll' || $mode eq 'pickauthor') {
+        if ($mode ne 'autoenroll' && $mode ne 'pickauthor') {
             if ($permission->{'cusr'}) {
-                $actionselect = &select_actions($context,$setting,$statusmode);
+                $actionselect = &select_actions($context,$setting,$statusmode,$formname);
             }
             $r->print(<<END);
 <input type="hidden" name="srchby"  value="uname" />
@@ -2100,28 +2145,30 @@ END
             $output = '<p>';
             my @linkdests = ('aboutme');
             if ($permission->{'cusr'}) {
-                push (@linkdests,'modify');
-                $output .= '<span class="LC_nobreak">'.$lt{'link'}.':&nbsp;';
-                my $usernamelink = $env{'form.usernamelink'};
-                if ($usernamelink eq '') {
-                    $usernamelink = 'aboutme';
-                }
-                foreach my $item (@linkdests) {
-                    my $checkedstr = '';
-                    if ($item eq $usernamelink) {
-                        $checkedstr = ' checked="checked" ';
-                    }
-                    $output .= '<label><input type="radio" name="usernamelink" value="'.$item.'"'.$checkedstr.'>&nbsp;'.$lt{$item}.'</label>&nbsp;&nbsp;';
+                unshift (@linkdests,'modify');
+            }
+            $output .= '<span class="LC_nobreak">'.$lt{'link'}.':&nbsp;';
+            my $usernamelink = $env{'form.usernamelink'};
+            if ($usernamelink eq '') {
+                $usernamelink = 'aboutme';
+            }
+            foreach my $item (@linkdests) {
+                my $checkedstr = '';
+                if ($item eq $usernamelink) {
+                    $checkedstr = ' checked="checked" ';
                 }
-                $output .= '</span><br />';
-            } else {
-                $output .= &mt("Click on a username to view the user's personal page.").'<br />';
+                $output .= '<label><input type="radio" name="usernamelink" value="'.$item.'"'.$checkedstr.'>&nbsp;'.$lt{$item}.'</label>&nbsp;&nbsp;';
+            }
+            my $checkwin;
+            if ($env{'form.userwin'}) { 
+                $checkwin = 'checked = "checked"'; 
             }
+            $output .= '&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox" name="userwin" value="1" $checkwin />'.$lt{'owin'}.'</span><br />';
             if ($actionselect) {
-                $output .= <<"END"; 
-$lt{'ac'}:&nbsp;$actionselect <input type="button" value="$lt{'pr'}" onclick="javascript:verify_action(document.studentform.actionlist)" /></p>
-<p><input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.actionlist)" /> &nbsp;
-<input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.actionlist)" />
+                $output .= <<"END";
+$lt{'ac'}:&nbsp;$actionselect <input type="button" value="$lt{'go'}" onclick="javascript:opendatebrowser(this.form,'$formname','go')" /></p>
+<p><input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.$formname.actionlist)" /> &nbsp;
+<input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.$formname.actionlist)" /><br /><br /><input type="button" value="$lt{'pr'}" onclick="javascript:verify_action(document.$formname.actionlist)" />
 END
                 my @allroles;
                 if ($env{'form.showrole'} eq 'Any') {
@@ -2169,16 +2216,20 @@ END
                   &Apache::loncommon::start_data_table_header_row();
         if ($mode eq 'autoenroll') {
             $output .= "
- <th><a href=\"javascript:document.studentform.sortby.value='type';document.studentform.submit();\">$lt{'type'}</a></th>
+ <th><a href=\"javascript:document.$formname.sortby.value='type';document.$formname.submit();\">$lt{'type'}</a></th>
             ";
         } else {
-            $output .= "\n".'<th>'.&mt('Count').'</th>'."\n";
+            if ($mode eq 'pickauthor') {
+                $output .= "\n".'<th>&nbsp;</th>'."\n";
+            } else { 
+                $output .= "\n".'<th>'.&mt('Count').'</th>'."\n";
+            }
             if ($actionselect) {
                 $output .= '<th>'.&mt('Select').'</th>'."\n";
             }
         }
         foreach my $item (@cols) {
-            $output .= "<th><a href=\"javascript:document.studentform.sortby.value='$item';document.studentform.submit();\">$lt{$item}</a></th>\n";
+            $output .= "<th><a href=\"javascript:document.$formname.sortby.value='$item';document.$formname.submit();\">$lt{$item}</a></th>\n";
         }
         my %role_types = &role_type_names();
         if ($context eq 'course' && $mode ne 'autoenroll') {
@@ -2193,8 +2244,8 @@ END
                     $clickerchg = 'off';
                 }
                 $output .= '    <th>'."\n".'     '.
-                    '<a href="javascript:document.studentform.displayclickers.value='.
-                      "'".$clickerchg."'".';document.studentform.submit();">'.
+                    '<a href="javascript:document.'.$formname.'.displayclickers.value='.
+                      "'".$clickerchg."'".';document.'.$formname.'.submit();">'.
                       $clicker_options{$clickerchg}.'</a>&nbsp;'.$lt{'clicker'}."\n".
                       '    </th>'."\n";
 
@@ -2209,8 +2260,8 @@ END
                         $photochg = 'off';
                     }
                     $output .= '    <th>'."\n".'     '.
-                '<a href="javascript:document.studentform.displayphotos.value='.
-                      "'".$photochg."'".';document.studentform.submit();">'.
+                '<a href="javascript:document.'.$formname.'.displayphotos.value='.
+                      "'".$photochg."'".';document.'.$formname.'.submit();">'.
                       $photo_options{$photochg}.'</a>&nbsp;'.$lt{'photo'}."\n".
                       '    </th>'."\n";
                 }
@@ -2250,7 +2301,6 @@ END
     }
 
 # Done with header lines in all formats
-
     my %index;
     my $i;
     foreach my $idx (@$keylist) {
@@ -2271,6 +2321,10 @@ END
     # Get groups, role, permanent e-mail so we can sort on them if
     # necessary.
     foreach my $user (keys(%{$userlist})) {
+        if ($user eq '' ) {
+            delete($userlist->{$user});
+            next;
+        }
         if ($context eq 'domain' &&  $user eq $env{'request.role.domain'}.'-domainconfig:'.$env{'request.role.domain'}) {
             delete($userlist->{$user});
             next;
@@ -2316,6 +2370,13 @@ END
             }
             if ($mode ne 'autoenroll') {
                 my $section = $userlist->{$user}->[$index{'section'}];
+                if (($env{'request.course.sec'} ne '') && 
+                    ($section ne $env{'request.course.sec'})) {
+                    if ($role eq 'st') {
+                        delete($userlist->{$user});
+                        next;
+                    }
+                }
                 if ($secfilter eq 'none') {
                     if ($section ne '') {
                         delete($userlist->{$user});
@@ -2338,6 +2399,15 @@ END
                         next;
                     }
                 }
+                if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
+                    if (($displayphotos eq 'on') && ($role eq 'st')) {
+                        $userlist->{$user}->[$index{'photo'}] =
+                            &Apache::lonnet::retrievestudentphoto($udom,$uname,'jpg');
+                        $userlist->{$user}->[$index{'thumbnail'}] =
+                            &Apache::lonnet::retrievestudentphoto($udom,$uname,
+                                                                'gif','thumbnail');
+                    }
+                }
             }
         }
         my %emails   = &Apache::loncommon::getemails($uname,$udom);
@@ -2390,7 +2460,7 @@ END
         } else {
             $in{'end'} = &Apache::lonlocal::locallocaltime($in{'end'});
         }
-        if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
+        if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll' || $mode eq 'pickauthor') {
             $r->print(&Apache::loncommon::start_data_table_row());
             my $checkval;
             if ($mode eq 'autoenroll') {
@@ -2412,7 +2482,9 @@ END
                 }
                 $r->print("<td>$cellentry</td>\n");
             } else {
-                $r->print("<td>$rowcount</td>\n");
+                if ($mode ne 'pickauthor') {  
+                    $r->print("<td>$rowcount</td>\n");
+                }
                 if ($actionselect) {
                     my $showcheckbox;
                     if ($role =~ /^cr\//) {
@@ -2446,12 +2518,13 @@ END
                     } else {
                         $r->print('<td>&nbsp;</td>');
                     }
+                } elsif ($mode eq 'pickauthor') {
+                        $r->print('<td><input type="button" name="chooseauthor" onclick="javascript:gochoose('."'$in{'username'}'".');" value="'.&mt('Select').'" /></td>');
                 }
             }
             foreach my $item (@cols) {
                 if ($item eq 'username') {
-                    $r->print('<td>'.&print_username_link($mode,$permission,
-                                                          \%in).'</td>');
+                    $r->print('<td>'.&print_username_link($mode,\%in).'</td>');
                 } elsif (($item eq 'start' || $item eq 'end') && ($actionselect)) {
                     $r->print('<td>'.$in{$item}.'<input type="hidden" name="'.$checkval.'_'.$item.'" value="'.$sdata->[$index{$item}].'" /></td>'."\n");
                 } else {
@@ -2469,11 +2542,8 @@ END
                         $r->print('    <td>&nbsp;</td>  ');
                     }
                     if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
-                        if ($displayphotos eq 'on' && $sdata->[$index{'role'}] eq 'st') {
-                            my $imgurl =
-                        &Apache::lonnet::retrievestudentphoto($in{'domain'},$in{'username'},
-                                                          'gif','thumbnail');
-                            $r->print('    <td align="right"><a href="javascript:photowindow('."'".&Apache::lonnet::studentphoto($in{'domain'},$in{'username'},'jpg')."'".')"><img src="'.$imgurl.'" border="1"></a></td>');
+                        if ($displayphotos eq 'on' && $role eq 'st' && $in{'photo'} ne '') {
+                            $r->print('    <td align="right"><a href="javascript:photowindow('."'".$in{'photo'}."'".')"><img src="'.$in{'thumbnail'}.'" border="1"></a></td>');
                         } else {
                             $r->print('    <td>&nbsp;</td>  ');
                         }
@@ -2517,7 +2587,7 @@ END
             $row++;
         }
     }
-    if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
+    if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll' || $mode eq 'pickauthor') {
             $r->print(&Apache::loncommon::end_data_table().'<br />');
     } elsif ($mode eq 'excel') {
         $excel_workbook->close();
@@ -2538,14 +2608,10 @@ END
 }
 
 sub print_username_link {
-    my ($mode,$permission,$in) = @_;
+    my ($mode,$in) = @_;
     my $output;
     if ($mode eq 'autoenroll') {
         $output = $in->{'username'};
-    } elsif (!$permission->{'cusr'}) {
-        $output = &Apache::loncommon::aboutmewrapper($in->{'username'},
-                                                     $in->{'username'},
-                                                     $in->{'domain'});
     } else {
         $output = '<a href="javascript:username_display_launch('.
                   "'$in->{'username'}','$in->{'domain'}'".')" />'.
@@ -2564,7 +2630,7 @@ sub role_type_names {
 }
 
 sub select_actions {
-    my ($context,$setting,$statusmode) = @_;
+    my ($context,$setting,$statusmode,$formname) = @_;
     my %lt = &Apache::lonlocal::texthash(
                 revoke   => "Revoke user roles",
                 delete   => "Delete user roles",
@@ -2625,7 +2691,7 @@ sub select_actions {
         }
     }
     if ($options) {
-        $output = '<select name="bulkaction" onchange="javascript:opendatebrowser(this.form,'."'studentform'".')" />'."\n".
+        $output = '<select name="bulkaction" onchange="javascript:opendatebrowser(this.form,'."'$formname','change'".')" />'."\n".
                   '<option value="" selected="selected">'.
                   &mt('Please select').'</option>'."\n".$options."\n".'</select>';
         if ($choices{'dates'}) {
@@ -2656,19 +2722,29 @@ sub select_actions {
 
 sub date_section_javascript {
     my ($context,$setting) = @_;
-    my $title;
-    if (($context eq 'course') || ($context eq 'domain' && $setting eq 'course'))  {
-        $title = &mt('Date and Section selector');
-    } else {
-        $title = &mt('Date selector');
-    }
+    my $title = 'Date_And_Section_Selector';
+    my %nopopup = &Apache::lonlocal::texthash (
+        revoke => "Check the boxes for any users for whom roles are to be revoked, and click 'Proceed'",
+        delete => "Check the boxes for any users for whom roles are to be deleted, and click 'Proceed'",
+        none   => "Choose an action to take for selected users",
+    );  
     my $output = '
-<script type="text/javascript">
-    var stdeditbrowser;'."\n";
+<script type="text/javascript">'."\n";
     $output .= <<"ENDONE";
-    function opendatebrowser(callingform,formname) {
+    function opendatebrowser(callingform,formname,calledby) {
         var bulkaction = callingform.bulkaction.options[callingform.bulkaction.selectedIndex].value;
         if (bulkaction == 'revoke' || bulkaction == 'delete' || bulkaction == '') {
+            if (calledby == 'go') {
+                if (bulkaction == 'revoke') {
+                    alert("$nopopup{'revoke'}");
+                }
+                if (bulkaction == 'delete') {
+                    alert("$nopopup{'delete'}"); 
+                }
+                if (bulkaction == '') {
+                    alert("$nopopup{'none'}");
+                }
+            }
             return;
         }
         var url = '/adm/createuser?';
@@ -3382,7 +3458,7 @@ sub upfile_drop_add {
                      );
         my $flushc=0;
         my %student=();
-        my (%curr_groups,@sections,@cleansec,@secs,$defaultwarn,$groupwarn);
+        my (%curr_groups,@sections,@cleansec,$defaultwarn,$groupwarn);
         my %userchg;
         if ($context eq 'course' || $setting eq 'course') {
             if ($context eq 'course') {
@@ -3421,10 +3497,10 @@ sub upfile_drop_add {
         }
         my (%curr_rules,%got_rules,%alerts);
         my %customroles = &my_custom_roles();
-        my ($custom_ok,@permitted_roles) =
-            &roles_on_upload($context,%customroles);
+        my @permitted_roles = &roles_on_upload($context,$setting,%customroles); 
         # Get new users list
         foreach my $line (@userdata) {
+            my @secs;
             my %entries=&Apache::loncommon::record_sep($line);
             # Determine user name
             unless (($entries{$fields{'username'}} eq '') ||
@@ -3458,8 +3534,8 @@ sub upfile_drop_add {
                     my $username = $entries{$fields{'username'}};
                     if (defined($fields{'sec'})) {
                         if (defined($entries{$fields{'sec'}})) {
+                            $entries{$fields{'sec'}} =~ s/\W//g;
                             my $item = $entries{$fields{'sec'}};
-                            $item =~ s/(\s+$|^\s+)//g;
                             if ($item eq "none" || $item eq 'all') {
                                 $r->print('<br />'.&mt('<b>[_1]</b>: Unable to enroll user [_2] [_3] [_4] [_5] in a section named "[_6]" - this is a reserved word.',$username,$fname,$mname,$lname,$gen,$item));
                                 next;
@@ -3518,13 +3594,10 @@ sub upfile_drop_add {
                     my $role = '';
                     if (defined($fields{'role'})) {
                         if ($entries{$fields{'role'}}) {
-                            if (grep(/^\Q$entries{$fields{'role'}}\E$/,@permitted_roles)) {
-                                $role=$entries{$fields{'role'}};
-                                $role =~ s/(\s+$|^\s+)//g;
-                            }
-                            if ($custom_ok) {
-                                if ($customroles{$role}) {
-                                    $role = 'cr_'.$env{'user.domain'}.'_'.$env{'user.name'}.'_'.$entries{$fields{'role'}};
+                            $entries{$fields{'role'}}  =~ s/(\s+$|^\s+)//g;
+                            if ($entries{$fields{'role'}} ne '') {
+                                if (grep(/^\Q$entries{$fields{'role'}}\E$/,@permitted_roles)) {
+                                    $role = $entries{$fields{'role'}};
                                 }
                             }
                             if ($role eq '') {
@@ -3619,59 +3692,61 @@ sub upfile_drop_add {
                         my $multiple = 0;
                         my ($userresult,$authresult,$roleresult,$idresult);
                         my (%userres,%authres,%roleres,%idres);
+                        my $singlesec = '';
                         if ($role eq 'st') {
                             my $sec;
-                            if ($cid) {
-                                if (@secs > 0) {
-                                    $sec = $secs[0];
-                                }
-                                &modifystudent($domain,$username,$cid,$sec,
-                                               $desiredhost);
-                                $roleresult =
-                                    &Apache::lonnet::modifystudent
-                                        ($domain,$username,$id,$amode,$password,
-                                         $fname,$mname,$lname,$gen,$sec,$enddate,
-                                         $startdate,$env{'form.forceid'},
-                                         $desiredhost,$email,'manual','',$cid);
-                                $userresult = $roleresult;
+                            if (@secs > 0) {
+                                $sec = $secs[0];
                             }
+                            &modifystudent($domain,$username,$cid,$sec,
+                                           $desiredhost,$context);
+                            $roleresult =
+                                &Apache::lonnet::modifystudent
+                                    ($domain,$username,$id,$amode,$password,
+                                     $fname,$mname,$lname,$gen,$sec,$enddate,
+                                     $startdate,$env{'form.forceid'},
+                                     $desiredhost,$email,'manual','',$cid,
+                                     '',$context);
+                            $userresult = $roleresult;
                         } else {
-                            if (($context eq 'course') || 
-                                (grep(/^\Q$role\E$/,@courseroles))) {
-                                if (!$cid) {
-                                    next;
-                                }
-                            }
-                            my $singlesec;
-                            if ((grep(/^\Q$role\E$/,@courseroles)) && ($role ne 'cc')) {
-                                if (@secs > 1) {
-                                    $multiple = 1;
-                                    foreach my $sec (@secs) {
-                                        ($userres{$sec},$authres{$sec},$roleres{$sec},$idres{$sec}) =
-                                            &modifyuserrole($context,$setting,
-                                                $changeauth,$cid,$domain,$username,
-                                                $id,$amode,$password,$fname,
-                                                $mname,$lname,$gen,$sec,
-                                                $env{'form.forceid'},$desiredhost,
-                                                $email,$role,$enddate,$startdate,$checkid);
+                            if ($role ne '') { 
+                                if ($context eq 'course' || $setting eq 'course') {
+                                    if ($customroles{$role}) {
+                                        $role = 'cr_'.$env{'user.domain'}.'_'.
+                                                $env{'user.name'}.'_'.$role;
+                                    }
+                                    if ($role ne 'cc') { 
+                                        if (@secs > 1) {
+                                            $multiple = 1;
+                                            foreach my $sec (@secs) {
+                                                ($userres{$sec},$authres{$sec},$roleres{$sec},$idres{$sec}) =
+                                                &modifyuserrole($context,$setting,
+                                                    $changeauth,$cid,$domain,$username,
+                                                    $id,$amode,$password,$fname,
+                                                    $mname,$lname,$gen,$sec,
+                                                    $env{'form.forceid'},$desiredhost,
+                                                    $email,$role,$enddate,
+                                                    $startdate,$checkid);
+                                            }
+                                        } elsif (@secs > 0) {
+                                            $singlesec = $secs[0];
+                                        }
                                     }
-                                } elsif (@secs > 0) {
-                                    $singlesec = $secs[0];
                                 }
                             }
                             if (!$multiple) {
                                 ($userresult,$authresult,$roleresult,$idresult) = 
                                     &modifyuserrole($context,$setting,
-                                        $changeauth,$cid,$domain,$username, 
-                                        $id,$amode,$password,$fname,
-                                        $mname,$lname,$gen,$singlesec,
-                                        $env{'form.forceid'},$desiredhost,
-                                        $email,$role,$enddate,$startdate,$checkid);
+                                                    $changeauth,$cid,$domain,$username, 
+                                                    $id,$amode,$password,$fname,
+                                                    $mname,$lname,$gen,$singlesec,
+                                                    $env{'form.forceid'},$desiredhost,
+                                                    $email,$role,$enddate,$startdate,$checkid);
                             }
                         }
                         if ($multiple) {
                             foreach my $sec (sort(keys(%userres))) {
-                               $flushc =
+                                $flushc =
                                 &user_change_result($r,$userres{$sec},$authres{$sec},
                                                     $roleres{$sec},$idres{$sec},\%counts,$flushc,
                                                     $username,\%userchg);
@@ -3937,24 +4012,25 @@ sub update_user_list {
             $end = $now;
             $type = 'manual';
             $result =
-                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid);
+                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context);
         } elsif ($choice eq 'revoke') {
             # revoke or delete user role
             $end = $now; 
             if ($role eq 'st') {
                 $result = 
-                    &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid);
+                    &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context);
             } else {
                 $result = 
-                    &Apache::lonnet::revokerole($udom,$uname,$scope,$role);
+                    &Apache::lonnet::revokerole($udom,$uname,$scope,$role,
+                                                '','',$context);
             }
         } elsif ($choice eq 'delete') {
             if ($role eq 'st') {
-                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$now,$start,$type,$locktype,$cid);
+                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$now,$start,$type,$locktype,$cid,'',$context);
             }
             $result =
                 &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$now,
-                                            $start,1);
+                                            $start,1,'',$context);
         } else {
             #reenable, activate, change access dates or change section
             if ($choice ne 'chgsec') {
@@ -3963,25 +4039,25 @@ sub update_user_list {
             }
             if ($choice eq 'reenable') {
                 if ($role eq 'st') {
-                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid);
+                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context);
                 } else {
                     $result = 
                         &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
-                                                    $now);
+                                                    $now,'','',$context);
                 }
             } elsif ($choice eq 'activate') {
                 if ($role eq 'st') {
-                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid);
+                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context);
                 } else {
                     $result = &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
-                                            $now);
+                                            $now,'','',$context);
                 }
             } elsif ($choice eq 'chgdates') {
                 if ($role eq 'st') {
-                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid);
+                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context);
                 } else {
                     $result = &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
-                                                $start);
+                                                $start,'','',$context);
                 }
             } elsif ($choice eq 'chgsec') {
                 my (@newsecs,$revresult,$nochg,@retained);
@@ -3997,7 +4073,8 @@ sub update_user_list {
                         } else {
                             $revresult =
                                 &Apache::lonnet::revokerole($udom,$uname,
-                                                            $scope,$role);
+                                                            $scope,$role,
+                                                            '','',$context);
                         } 
                     } else {
                         if (@newsecs > 0) {
@@ -4006,12 +4083,14 @@ sub update_user_list {
                             } else {
                                 $revresult =
                                     &Apache::lonnet::revokerole($udom,$uname,
-                                                                $scope,$role);
+                                                                $scope,$role,
+                                                                '','',$context);
                             }
                         } else {
                             $revresult =
                                 &Apache::lonnet::revokerole($udom,$uname,
-                                                            $scope,$role);
+                                                            $scope,$role,
+                                                            '','',$context);
                         }
                     }
                 } else {
@@ -4026,17 +4105,17 @@ sub update_user_list {
                     if (!$nochg) {
                         if ($role eq 'st') {
                             $result = 
-                                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,undef,$end,$start,$type,$locktype,$cid);
+                                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,undef,$end,$start,$type,$locktype,$cid,'',$context);
                         } else {
                             my $newscope = $scopestem;
-                            $result = &Apache::lonnet::assignrole($udom,$uname,$newscope,$role,$end,$start);
+                            $result = &Apache::lonnet::assignrole($udom,$uname,$newscope,$role,$end,$start,'','',$context);
                         }
                     }
                 } else {
                     foreach my $newsec (@newsecs) { 
                         if (!grep(/^\Q$newsec\E$/,@retained)) {
                             if ($role eq 'st') {
-                                $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$newsec,$end,$start,$type,$locktype,$cid);
+                                $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$newsec,$end,$start,$type,$locktype,$cid,'',$context);
                             } else {
                                 my $newscope = $scopestem;
                                 if ($newsec ne '') {
@@ -4175,17 +4254,29 @@ sub set_login {
 }
 
 sub course_sections {
-    my ($sections_count,$role) = @_;
+    my ($sections_count,$role,$current_sec) = @_;
     my $output = '';
     my @sections = (sort {$a <=> $b} keys %{$sections_count});
     my $numsec = scalar(@sections);
+    my $is_selected = ' selected="selected" ';
     if ($numsec <= 1) {
         $output = '<select name="currsec_'.$role.'" >'."\n".
-                  '  <option value="">'.&mt('Select').'</option>'."\n".
+                  '  <option value="">'.&mt('Select').'</option>'."\n";
+        if ($current_sec eq 'none') {
+            $output .=       
+                  '  <option value=""'.$is_selected.'>'.&mt('No section').'</option>'."\n";
+        } else {
+            $output .=
                   '  <option value="">'.&mt('No section').'</option>'."\n";
+        }
         if ($numsec == 1) {
-            $output .=  
+            if ($current_sec eq $sections[0]) {
+                $output .=
+                  '  <option value="'.$sections[0].'"'.$is_selected.'>'.$sections[0].'</option>'."\n";
+            } else {
+                $output .=  
                   '  <option value="'.$sections[0].'" >'.$sections[0].'</option>'."\n";
+            }
         }
     } else {
         $output = '<select name="currsec_'.$role.'" ';
@@ -4193,13 +4284,23 @@ sub course_sections {
         if (scalar(@sections) < 4) { $multiple = scalar(@sections); }
         if ($role eq 'st') {
             $output .= '>'."\n".
-                       '  <option value="">'.&mt('Select').'</option>'."\n".
+                       '  <option value="">'.&mt('Select').'</option>'."\n";
+            if ($current_sec eq 'none') {
+                $output .= 
+                       '  <option value=""'.$is_selected.'>'.&mt('No section')."</option>\n";
+            } else {
+                $output .=
                        '  <option value="">'.&mt('No section')."</option>\n";
+            }
         } else {
             $output .= 'multiple="multiple" size="'.$multiple.'">'."\n";
         }
         foreach my $sec (@sections) {
-            $output .= '<option value="'.$sec.'">'.$sec."</option>\n";
+            if ($current_sec eq $sec) {
+                $output .= '<option value="'.$sec.'"'.$is_selected.'>'.$sec."</option>\n";
+            } else {
+                $output .= '<option value="'.$sec.'">'.$sec."</option>\n";
+            }
         }
     }
     $output .= '</select>';
@@ -4539,24 +4640,17 @@ sub authorpriv {
 }
 
 sub roles_on_upload {
-    my ($context,%customroles) = @_;
+    my ($context,$setting,%customroles) = @_;
     my (@possible_roles,@permitted_roles);
-    if ($context eq 'domain') {
-        @possible_roles = &curr_role_permissions($context,undef,1);
-        push(@possible_roles,&curr_role_permissions($context,'course',1));
-    } else {
-        @possible_roles = &curr_role_permissions($context,undef,1);
-    }
-    my $custom_ok = 0;
+    @possible_roles = &curr_role_permissions($context,$setting,1);
     foreach my $role (@possible_roles) {
         if ($role eq 'cr') {
-            $custom_ok = 1;
             push(@permitted_roles,keys(%customroles));
         } else {
             push(@permitted_roles,$role);
         }
     }
-    return ($custom_ok,@permitted_roles);
+    return @permitted_roles;
 }
 
 sub get_course_identity {