--- loncom/interface/lonuserutils.pm	2008/05/29 00:43:21	1.56
+++ loncom/interface/lonuserutils.pm	2008/09/26 08:38:11	1.70
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.56 2008/05/29 00:43:21 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.70 2008/09/26 08:38:11 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -169,7 +169,7 @@ sub propagate_id_change {
 }
 
 sub update_classlist {
-    my ($cdom,$cnum,$udom,$uname,$user) = @_;
+    my ($cdom,$cnum,$udom,$uname,$user,$newend) = @_;
     my ($uid,$classlistentry);
     my $fullname =
         &Apache::lonnet::format_name($user->{'firstname'},$user->{'middlename'},
@@ -180,15 +180,37 @@ sub update_classlist {
     my @classinfo = split(/:/,$classhash{$uname.':'.$udom});
     my $ididx=&Apache::loncoursedata::CL_ID() - 2;
     my $nameidx=&Apache::loncoursedata::CL_FULLNAME() - 2;
+    my $endidx = &Apache::loncoursedata::CL_END() - 2;
+    my $startidx = &Apache::loncoursedata::CL_START() - 2;
     for (my $i=0; $i<@classinfo; $i++) {
-        if ($i == $ididx) {
+        if ($i == $endidx) {
+            if ($newend ne '') {
+                $classlistentry .= $newend.':';
+            } else {
+                $classlistentry .= $classinfo[$i].':';
+            }
+        } elsif ($i == $startidx) {
+            if ($newend ne '') {
+                if ($classinfo[$i] > $newend) {
+                    $classlistentry .= $newend.':';
+                } else {
+                    $classlistentry .= $classinfo[$i].':';
+                }
+            } else {
+                $classlistentry .= $classinfo[$i].':';
+            }
+        } elsif ($i == $ididx) {
             if (defined($user->{'id'})) {
                 $classlistentry .= $user->{'id'}.':';
             } else {
                 $classlistentry .= $classinfo[$i].':';
             }
         } elsif ($i == $nameidx) {
-            $classlistentry .= $fullname.':';
+            if (defined($user->{'lastname'})) {
+                $classlistentry .= $fullname.':';
+            } else {
+                $classlistentry .= $classinfo[$i].':';
+            }
         } else {
             $classlistentry .= $classinfo[$i].':';
         }
@@ -319,8 +341,8 @@ sub print_upload_manager_header {
               &hidden_input('fileupload',$env{'form.fileupload'}).
               &hidden_input('upfiletype',$env{'form.upfiletype'}).
               &hidden_input('upfile_associate',$env{'form.upfile_associate'}));
-    $r->print('<br /><input type="button" value="Reverse Association" '.
-              'name="'.&mt('Reverse Association').'" '.
+    $r->print('<br /><input type="button" value="'.&mt('Reverse Association').'" '.
+              'name="Reverse Association" '.
               'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
     $r->print('<label><input type="checkbox" name="noFirstLine"'.$checked.'/>'.
               &mt('Ignore First Line').'</label>');
@@ -383,12 +405,13 @@ sub javascript_validations {
          section  => 'The optional section field was not specified.',
          email    => 'The optional email address field was not specified.',
          role     => 'The optional role field was not specified.',
+         domain   => 'The optional domain field was not specified.',
          continue => 'Continue adding users?',
          );
     my $function_name = <<"END";
 $setsections_js
 
-function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
+function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain) {
 END
     my ($authnum,%can_assign) =  &Apache::loncommon::get_assignable_auth($domain);
     my $auth_checks;
@@ -503,6 +526,18 @@ END
         }
         message+='$alert{'email'}';
     }
+    if (foundrole==0) {
+        if (message!='') {
+            message+='\\n';
+        }
+        message+='$alert{'role'}';
+    }
+    if (founddomain==0) {
+        if (message!='') {
+            message+='\\n';
+        }
+        message+='$alert{'domain'}';
+    }
     if (message!='') {
         message+= '\\n$alert{'continue'}';
         if (confirm(message)) {
@@ -532,6 +567,7 @@ function verify(vf,sec_caller) {
     var foundsec=0;
     var foundemail=0;
     var foundrole=0;
+    var founddomain=0;
     var tw;
     for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
@@ -542,8 +578,9 @@ function verify(vf,sec_caller) {
         if (tw==9) { foundpwd=1; }
         if (tw==10) { foundemail=1; }
         if (tw==11) { foundrole=1; }
+        if (tw==12) { founddomain=1; }
     }
-    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole);
+    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain);
 }
 
 //
@@ -564,6 +601,7 @@ function verify(vf,sec_caller) {
 // 9 = ipwd  (password)
 // 10 = email address
 // 11 = role
+// 12 = domain
 
 function flip(vf,tf) {
    var nw=eval('vf.f'+tf+'.selectedIndex');
@@ -627,6 +665,7 @@ function verify(vf,sec_caller) {
     var foundid=0;
     var foundsec=0;
     var foundrole=0;
+    var founddomain=0;
     var tw;
     for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
@@ -636,8 +675,9 @@ function verify(vf,sec_caller) {
         if (i==7 && tw!=0) { foundsec=1; }
         if (i==8 && tw!=0) { foundpwd=1; }
         if (i==9 && tw!=0) { foundrole=1; }
+        if (i==10 && tw!=0) { founddomain=1; }
     }
-    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundrole);
+    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundrole,founddomain);
 }
 
 function flip(vf,tf) {
@@ -700,7 +740,7 @@ sub print_upload_manager_footer {
     $Str .= &hidden_input('keyfields',$keyfields);
     $Str .= "<h3>".&mt('Login Type')."</h3>\n";
     if ($context eq 'domain') {
-        $Str .= '<p>'.&mt('Change authentication for existing users to these settings?').'&nbsp;<span class="LC_nobreak"><label><input type="radio" name="changeauth" value="No" checked="checked" />'.&mt('No').'</label>&nbsp;&nbsp;<label><input type="radio" name="changeauth" value="Yes" />'.&mt('Yes').'</label></span></p>'; 
+        $Str .= '<p>'.&mt('Change authentication for existing users in domain "[_1]" to these settings?',$defdom).'&nbsp;<span class="LC_nobreak"><label><input type="radio" name="changeauth" value="No" checked="checked" />'.&mt('No').'</label>&nbsp;&nbsp;<label><input type="radio" name="changeauth" value="Yes" />'.&mt('Yes').'</label></span></p>'; 
     } else {
         $Str .= "<p>\n".
             &mt('Note: this will not take effect if the user already exists').
@@ -718,6 +758,8 @@ sub print_upload_manager_footer {
     } else {
         $Str .= $home_server_pick;
     }
+    $Str .= '<h3>'.&mt('Default domain').'</h3>'."\n".
+            &Apache::loncommon::select_dom_form($defdom,'defaultdomain',undef,1);
     $Str .= '<h3>'.&mt('Starting and Ending Dates').
             "</h3>\n";
     $Str .= "<p>\n".$date_table."</p>\n";
@@ -757,10 +799,9 @@ sub print_upload_manager_footer {
     }
     $Str .= '</div><div class="LC_clear_float_footer"><br /><input type="button"'.
               'onClick="javascript:verify(this.form,this.form.csec)" '.
-        'value="Update Users" />'."<br />\n";
+        'value="'.&mt('Update Users').'" />'."<br />\n";
     if ($context eq 'course') {
-        $Str .= &mt('Note: for large courses, this operation may be time '.
-                    'consuming');
+        $Str .= &mt('Note: for large courses, this operation may be time consuming');
     }
     $Str .= '</div>';
     $r->print($Str);
@@ -770,15 +811,15 @@ sub print_upload_manager_footer {
 sub forceid_change {
     my ($context) = @_;
     my $output = 
-        "<h3>".&mt('ID/Student Number')."</h3>\n".
+        "<h3>".&mt('Student/Employee ID')."</h3>\n".
         "<p>\n".'<label><input type="checkbox" name="forceid" value="yes">'.
-        &mt('Disable ID/Student Number Safeguard and Force Change '.
-        'of Conflicting IDs').'</label><br />'."\n".
+        &mt('Disable Student/Employee ID Safeguard and force change of conflicting IDs').
+        '</label><br />'."\n".
         &mt('(only do if you know what you are doing.)')."\n";
     if ($context eq 'domain') {
         $output .= '<br /><label><input type="checkbox" name="recurseid"'.
                    ' value="yes">'. 
-  &mt('Update ID/Student Number in courses in which user is Active/Future student,<br />(if forcing change).').
+  &mt('Update Student/Employee ID in courses in which user is active/future student,[_1](if forcing change).','<br />').
                    '</label>'."\n";
     }
     $output .= '</p>';
@@ -818,6 +859,7 @@ sub print_upload_manager_form {
                                'ipwd_choice' => 'scalar',
                                'email_choice' => 'scalar',
                                'role_choice' => 'scalar',
+                               'domain_choice' => 'scalar',
                              };
     my $defdom = $env{'request.role.domain'};
     if ($context eq 'course') {
@@ -844,11 +886,12 @@ sub print_upload_manager_form {
              ['mname',&mt('Middle Names/Initials'),$env{'form.mname_choice'}],
              ['lname',&mt('Last Name'),       $env{'form.lname_choice'}],
              ['gen',  &mt('Generation'),      $env{'form.gen_choice'}],
-             ['id',   &mt('ID/Student Number'),$env{'form.id_choice'}],
+             ['id',   &mt('Student/Employee ID'),$env{'form.id_choice'}],
              ['sec',  &mt('Section'),          $env{'form.sec_choice'}],
              ['ipwd', &mt('Initial Password'),$env{'form.ipwd_choice'}],
              ['email',&mt('E-mail Address'),   $env{'form.email_choice'}],
-             ['role',&mt('Role'),             $env{'form.role_choice'}]);
+             ['role',&mt('Role'),             $env{'form.role_choice'}],
+             ['domain',&mt('Domain'),         $env{'form.domain_choice'}]);
         if ($env{'form.upfile_associate'} eq 'reverse') {
             &Apache::loncommon::csv_print_samples($r,\@records);
             $i=&Apache::loncommon::csv_print_select_table($r,\@records,
@@ -966,7 +1009,7 @@ sub date_setting_table {
     }
     my $perpetual = '<span class="LC_nobreak"><label><input type="checkbox" name="no_end_date"';
     if (defined($endtime) && $endtime == 0) {
-        $perpetual .= ' checked';
+        $perpetual .= ' checked="checked"';
     }
     $perpetual.= ' /> '.&mt('no ending date').'</label></span>';
     if ($mode eq 'create_enrolldates') {
@@ -1252,9 +1295,13 @@ sub print_userlist {
             $output_selector .= "\n".$option;
         }
         $output_selector .= '</select>';
-        $r->print('<label>'.&mt('Output Format: [_1]',$output_selector).'</label>'.('&nbsp;'x3));
-    }
-    $r->print('<label>'.&mt('User Status: [_1]',$status_select).'</label>'.('&nbsp;'x3)."\n");
+        $r->print('<label><span class="LC_nobreak">'
+                 .&mt('Output Format: [_1]',$output_selector)
+                 .'</span></label>'.('&nbsp;'x3));
+    }
+    $r->print('<label><span class="LC_nobreak">'
+             .&mt('User Status: [_1]',$status_select)
+             .'</span></label>'.('&nbsp;'x3)."\n");
     my $roleselected = '';
     if ($env{'form.showrole'} eq 'Any') {
        $roleselected = ' selected="selected" '; 
@@ -1294,7 +1341,9 @@ sub print_userlist {
     if ($context eq 'course') {
         if (($env{'form.showrole'} eq 'st') || ($env{'form.showrole'} eq 'Any')) { 
             my $classlist = &Apache::loncoursedata::get_classlist();
-            %userlist = %{$classlist};
+            if (ref($classlist) eq 'HASH') {
+                %userlist = %{$classlist};
+            }
         }
         if ($env{'form.showrole'} ne 'st') {
             my $showroles;
@@ -1445,7 +1494,9 @@ sub role_filter {
     my ($role_select);
     if ($context eq 'domain') {
         $role_select = &domain_roles_select();
-        $output = '<label>'.&mt('Role Type: [_1]',$role_select).'</label>';
+        $output = '<label><span class="LC_nobreak">'
+                 .&mt('Role Type: [_1]',$role_select)
+                 .'</span></label>';
     } else {
         $role_select = '<select name="showrole">'."\n".
                        '<option value="Any" '.$roleselected.'>'.
@@ -1465,7 +1516,9 @@ sub role_filter {
             $role_select .= '<option value="'.$role.'"'.$roleselected.'>'.$plrole.'</option>';
         }
         $role_select .= '</select>';
-        $output = '<label>'.&mt('Role: [_1]',$role_select).'</label>';
+        $output = '<label><span class="LC_nobreak">'
+                 .&mt('Role: [_1]',$role_select)
+                 .'</span></label>';
     }
     return $output;
 }
@@ -1991,7 +2044,6 @@ END
                        'role'       => "role",
                        'type'       => "enroll type/action",
                        'email'      => "email address",
-                       'clicker'    => "clicker id",
                        'photo'      => "photo",
                        'extent'     => "extent",
                        'pr'         => "Proceed",
@@ -2002,6 +2054,7 @@ END
                        'aboutme'    => "Display a user's personal page",
                        'owin'       => "Open in a new window",
                        'modify'     => "Modify a user's information",
+                       'clicker'    => "Clicker-ID",
                       );
     if ($context eq 'domain' && $env{'form.roletype'} eq 'course') {
         $lt{'extent'} = &mt('Course(s): description, section(s), status');
@@ -2156,19 +2209,20 @@ END
         if ($context eq 'course' && $mode ne 'autoenroll') {
             if ($env{'form.showrole'} eq 'st' || $env{'form.showrole'} eq 'Any') {
                 # Clicker display on or off?
-                my %clicker_options = &Apache::lonlocal::texthash(
-                                                            'on' => 'Show',
-                                                            'off' => 'Hide',
-                                                           );
+                my %clicker_options = (
+                                        'on' => 'Show',
+                                        'off' => 'Hide',
+                                      );
                 my $clickerchg = 'on';
                 if ($displayclickers eq 'on') {
                     $clickerchg = 'off';
                 }
-                $output .= '    <th>'."\n".'     '.
-                    '<a href="javascript:document.'.$formname.'.displayclickers.value='.
-                      "'".$clickerchg."'".';document.'.$formname.'.submit();">'.
-                      $clicker_options{$clickerchg}.'</a>&nbsp;'.$lt{'clicker'}."\n".
-                      '    </th>'."\n";
+                $output .= '    <th>'."\n".'     '
+                        .&mt('[_1]'.$clicker_options{$clickerchg}.'[_2] clicker id'
+                            ,'<a href="javascript:document.'.$formname.'.displayclickers.value='
+                             ."'".$clickerchg."'".';document.'.$formname.'.submit();">'
+                            ,'</a>')
+                        ."\n".'    </th>'."\n";
 
                 # Photo display on or off?
                 if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
@@ -2198,18 +2252,20 @@ END
                        time.'_'.rand(1000000000).'.csv';
         unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
             $r->log_error("Couldn't open $CSVfilename for output $!");
-            $r->print("Problems occured in writing the csv file.  ".
-                      "This error has been logged.  ".
-                      "Please alert your LON-CAPA administrator.");
+            $r->print(&mt('Problems occurred in writing the CSV file. '
+                         .'This error has been logged. '
+                         .'Please alert your LON-CAPA administrator.'));
             $CSVfile = undef;
         }
         #
+        push @cols,'clicker';
         # Write headers and data to file
         print $CSVfile '"'.$results_description.'"'."\n"; 
         print $CSVfile '"'.join('","',map {
             &Apache::loncommon::csv_translate($lt{$_})
-            } (@cols)).'"'."\n";
+            } (@cols))."\"\n";
     } elsif ($mode eq 'excel') {
+        push @cols,'clicker';
         # Create the excel spreadsheet
         ($excel_workbook,$excel_filename,$format) =
             &Apache::loncommon::create_workbook($r);
@@ -2218,6 +2274,7 @@ END
         $excel_sheet->write($row++,0,$results_description,$format->{'h2'});
         #
         my @colnames = map {$lt{$_}} (@cols);
+
         $excel_sheet->write($row++,0,\@colnames,$format->{'bold'});
     }
 
@@ -2369,7 +2426,10 @@ END
         foreach my $item (@{$keylist}) {
             $in{$item} = $sdata->[$index{$item}];
         }
-        my $role = $in{'role'};
+        my $clickers = (&Apache::lonnet::userenvironment($in{'domain'},$in{'username'},'clickers'))[1];
+        if ($clickers!~/\w/) { $clickers='-'; }
+        $in{'clicker'} = $clickers; 
+	my $role = $in{'role'};
         $in{'role'}=&Apache::lonnet::plaintext($sdata->[$index{'role'}]); 
         if (! defined($in{'start'}) || $in{'start'} == 0) {
             $in{'start'} = &mt('none');
@@ -2489,7 +2549,7 @@ END
             foreach my $item (@cols) {
                 push @line,&Apache::loncommon::csv_translate($in{$item});
             }
-            print $CSVfile '"'.join('","',@line).'"'."\n";
+            print $CSVfile '"'.join('","',@line)."\"\n";
         } elsif ($mode eq 'excel') {
             my $col = 0;
             foreach my $item (@cols) {
@@ -2512,13 +2572,10 @@ END
             $r->print(&Apache::loncommon::end_data_table().'<br />');
     } elsif ($mode eq 'excel') {
         $excel_workbook->close();
-        $r->print('<p><a href="'.$excel_filename.'">'.
-                  &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
+	$r->print(&mt('[_1]Your Excel spreadsheet[_2] is ready for download.', '<p><a href="'.$excel_filename.'">','</a>')."</p>\n");
     } elsif ($mode eq 'csv') {
         close($CSVfile);
-        $r->print('<a href="'.$CSVfilename.'">'.
-                  &mt('Your CSV file').'</a> is ready for download.'.
-                  "\n");
+	$r->print(&mt('[_1]Your CSV file[_2] is ready for download.', '<p><a href="'.$CSVfilename.'">','</a>')."</p>\n");
         $r->rflush();
     }
     if ($mode eq 'autoenroll') {
@@ -2946,7 +3003,7 @@ sub section_picker {
     if ($mode eq 'upload') {
         my ($options,$cb_script,$coursepick) =
             &default_role_selector($context,1);
-        $secbox .= &Apache::lonhtmlcommon::row_title('role','LC_oddrow_value').
+        $secbox .= &Apache::lonhtmlcommon::row_title(&mt('role'),'LC_oddrow_value').
                    $options. &Apache::lonhtmlcommon::row_closure(1)."\n";
     }
     $secbox .= &Apache::lonhtmlcommon::row_title($rowtitle,'LC_oddrow_value')."\n";
@@ -3347,7 +3404,7 @@ sub upfile_drop_add {
     #
     # Store the field choices away
     foreach my $field (qw/username names
-                       fname mname lname gen id sec ipwd email role/) {
+                       fname mname lname gen id sec ipwd email role domain/) {
         $env{'form.'.$field.'_choice'}=$fields{$field};
     }
     &Apache::loncommon::store_course_settings('enrollment_upload',
@@ -3361,19 +3418,26 @@ sub upfile_drop_add {
                                                 'sec_choice' => 'scalar',
                                                 'ipwd_choice' => 'scalar',
                                                 'email_choice' => 'scalar',
-                                                'role_choice'  => 'scalar' });
+                                                'role_choice'  => 'scalar',
+                                                'domain_choice' => 'scalar'});
     #
     my ($startdate,$enddate) = &get_dates_from_form();
     if ($env{'form.makedatesdefault'}) {
         $r->print(&make_dates_default($startdate,$enddate,$context));
     }
     # Determine domain and desired host (home server)
-    my $domain=$env{'request.role.domain'};
+    my $defdom=$env{'request.role.domain'};
+    my $domain;
+    if ($env{'form.defaultdomain'} ne '') {
+        $domain = $env{'form.defaultdomain'};
+    } else {
+        $domain = $defdom;
+    }
     my $desiredhost = $env{'form.lcserver'};
     if (lc($desiredhost) eq 'default') {
         $desiredhost = undef;
     } else {
-        my %home_servers = &Apache::lonnet::get_servers($domain,'library');
+        my %home_servers = &Apache::lonnet::get_servers($defdom,'library');
         if (! exists($home_servers{$desiredhost})) {
             $r->print('<span class="LC_error">'.&mt('Error').
                       &mt('Invalid home server specified').'</span>');
@@ -3458,7 +3522,9 @@ sub upfile_drop_add {
             if ($context eq 'course') {
                 my ($cnum,$cdom) = &get_course_identity();
                 my $roster = &Apache::loncoursedata::get_classlist();
-                %userlist = %{$roster};
+                if (ref($roster) eq 'HASH') {
+                    %userlist = %{$roster};
+                }
                 my %advrolehash = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,
                                                          \@statuses,\@poss_roles);
                 &gather_userinfo($context,'view',\%userlist,$indexhash,\%info,
@@ -3564,7 +3630,17 @@ sub upfile_drop_add {
                               '</b>');
                     next;
                 } else {
+                    if ($entries{$fields{'dom'}} 
+                        ne &LONCAPA::clean_domain($entries{$fields{'domain'}})) {
+                        $r->print('<br />'. '<b>'.$entries{$fields{'domain'}}.
+                                  '</b>: '.&mt('Unacceptable domain for user [_2] [_3] [_4] [_5]',$fname,$mname,$lname,$gen).'</b>');
+                        next;
+                    }
                     my $username = $entries{$fields{'username'}};
+                    my $userdomain = $entries{$fields{'domain'}};
+                    if ($userdomain eq '') {
+                        $userdomain = $domain;
+                    }
                     if (defined($fields{'sec'})) {
                         if (defined($entries{$fields{'sec'}})) {
                             $entries{$fields{'sec'}} =~ s/\W//g;
@@ -3582,8 +3658,8 @@ sub upfile_drop_add {
                     }
                     if ($env{'request.course.sec'} ne '') {
                         @secs = ($env{'request.course.sec'});
-                        if (ref($userlist{$username.':'.$domain}) eq 'ARRAY') {
-                            my $currsec = $userlist{$username.':'.$domain}[$secidx];
+                        if (ref($userlist{$username.':'.$userdomain}) eq 'ARRAY') {
+                            my $currsec = $userlist{$username.':'.$userdomain}[$secidx];
                             if ($currsec ne $env{'request.course.sec'}) {
                                 $r->print('<br />'.&mt('<b>[_1]</b>: Unable to enroll user [_2] [_3] [_4] [_5] in a section named "[_6]".',$username,$fname,$mname,$lname,$gen,$secs[0]).'<br />');
                                 if ($currsec eq '') {
@@ -3645,16 +3721,16 @@ sub upfile_drop_add {
                         $role = $defaultrole;
                     }
                     # Clean up whitespace
-                    foreach (\$domain,\$username,\$id,\$fname,\$mname,
-                             \$lname,\$gen) {
+                    foreach (\$id,\$fname,\$mname,\$lname,\$gen) {
                         $$_ =~ s/(\s+$|^\s+)//g;
                     }
                     # check against rules
                     my $checkid = 0;
                     my $newuser = 0;
                     my (%rulematch,%inst_results,%idinst_results);
-                    my $uhome=&Apache::lonnet::homeserver($username,$domain);
+                    my $uhome=&Apache::lonnet::homeserver($username,$userdomain);
                     if ($uhome eq 'no_host') {
+                        next if ($userdomain ne $domain);
                         $checkid = 1;
                         $newuser = 1;
                         my $checkhash;
@@ -3670,38 +3746,40 @@ sub upfile_drop_add {
                         }
                     } else {
                         if ($context eq 'course' || $context eq 'author') {
-                            if ($role eq '') {
-                                my @checkroles;
-                                foreach my $role (@poss_roles) {
-                                    my $endkey;
-                                    if ($role ne 'st') {
-                                        $endkey = ':'.$role;
-                                    }
-                                    if (exists($userlist{$username.':'.$domain.$endkey})) {
-                                        if (!grep(/^\Q$role\E$/,@checkroles)) {
-                                            push(@checkroles,$role);
+                            if ($userdomain eq $domain ) {
+                                if ($role eq '') {
+                                    my @checkroles;
+                                    foreach my $role (@poss_roles) {
+                                        my $endkey;
+                                        if ($role ne 'st') {
+                                            $endkey = ':'.$role;
+                                        }
+                                        if (exists($userlist{$username.':'.$userdomain.$endkey})) {
+                                            if (!grep(/^\Q$role\E$/,@checkroles)) {
+                                                push(@checkroles,$role);
+                                            }
                                         }
                                     }
+                                    if (@checkroles > 0) {
+                                        %canmodify = &can_modify_userinfo($context,$domain,\@userinfo,\@checkroles);
+                                    }
+                                } elsif (ref($modifiable_fields{$role}) eq 'HASH') {
+                                    %canmodify = %{$modifiable_fields{$role}};
                                 }
-                                if (@checkroles > 0) {
-                                    %canmodify = &can_modify_userinfo($context,$domain,\@userinfo,\@checkroles);
-                                }
-                            } elsif (ref($modifiable_fields{$role}) eq 'HASH') {
-                                %canmodify = %{$modifiable_fields{$role}};
                             }
-                        }
-                        my @newinfo = (\$fname,\$mname,\$lname,\$gen,\$email,\$id);
-                        for (my $i=0; $i<@userinfo; $i++) {
-                            if (${$newinfo[$i]} ne '') {
-                                if (!$canmodify{$userinfo[$i]}) {
-                                    ${$newinfo[$i]} = '';
+                            my @newinfo = (\$fname,\$mname,\$lname,\$gen,\$email,\$id);
+                            for (my $i=0; $i<@userinfo; $i++) {
+                                if (${$newinfo[$i]} ne '') {
+                                    if (!$canmodify{$userinfo[$i]}) {
+                                        ${$newinfo[$i]} = '';
+                                    }
                                 }
                             }
                         }
                     }
                     if ($id ne '') {
                         if (!$newuser) {
-                            my %idhash = &Apache::lonnet::idrget($domain,($username));
+                            my %idhash = &Apache::lonnet::idrget($userdomain,($username));
                             if ($idhash{$username} ne $id) {
                                 $checkid = 1;
                             }
@@ -3709,14 +3787,14 @@ sub upfile_drop_add {
                         if ($checkid) {
                             my $checkhash;
                             my $checks = { 'id' => 1 };
-                            $checkhash->{$username.':'.$domain} = { 'newuser' => $newuser,
+                            $checkhash->{$username.':'.$userdomain} = { 'newuser' => $newuser,
                                                                     'id'  => $id };
                             &Apache::loncommon::user_rule_check($checkhash,$checks,
                                 \%alerts,\%rulematch,\%idinst_results,\%curr_rules,
                                 \%got_rules);
                             if (ref($alerts{'id'}) eq 'HASH') {
-                                if (ref($alerts{'id'}{$domain}) eq 'HASH') {
-                                    next if ($alerts{'id'}{$domain}{$id});
+                                if (ref($alerts{'id'}{$userdomain}) eq 'HASH') {
+                                    next if ($alerts{'id'}{$userdomain}{$id});
                                 }
                             }
                         }
@@ -3731,11 +3809,11 @@ sub upfile_drop_add {
                             if (@secs > 0) {
                                 $sec = $secs[0];
                             }
-                            &modifystudent($domain,$username,$cid,$sec,
+                            &modifystudent($userdomain,$username,$cid,$sec,
                                            $desiredhost,$context);
                             $roleresult =
                                 &Apache::lonnet::modifystudent
-                                    ($domain,$username,$id,$amode,$password,
+                                    ($userdomain,$username,$id,$amode,$password,
                                      $fname,$mname,$lname,$gen,$sec,$enddate,
                                      $startdate,$env{'form.forceid'},
                                      $desiredhost,$email,'manual','',$cid,
@@ -3754,7 +3832,7 @@ sub upfile_drop_add {
                                             foreach my $sec (@secs) {
                                                 ($userres{$sec},$authres{$sec},$roleres{$sec},$idres{$sec}) =
                                                 &modifyuserrole($context,$setting,
-                                                    $changeauth,$cid,$domain,$username,
+                                                    $changeauth,$cid,$userdomain,$username,
                                                     $id,$amode,$password,$fname,
                                                     $mname,$lname,$gen,$sec,
                                                     $env{'form.forceid'},$desiredhost,
@@ -3770,7 +3848,7 @@ sub upfile_drop_add {
                             if (!$multiple) {
                                 ($userresult,$authresult,$roleresult,$idresult) = 
                                     &modifyuserrole($context,$setting,
-                                                    $changeauth,$cid,$domain,$username, 
+                                                    $changeauth,$cid,$userdomain,$username, 
                                                     $id,$amode,$password,$fname,
                                                     $mname,$lname,$gen,$singlesec,
                                                     $env{'form.forceid'},$desiredhost,
@@ -3782,14 +3860,14 @@ sub upfile_drop_add {
                                 $flushc =
                                 &user_change_result($r,$userres{$sec},$authres{$sec},
                                                     $roleres{$sec},$idres{$sec},\%counts,$flushc,
-                                                    $username,\%userchg);
+                                                    $username,$userdomain,\%userchg);
 
                             }
                         } else {
                             $flushc = 
                                 &user_change_result($r,$userresult,$authresult,
                                                     $roleresult,$idresult,\%counts,$flushc,
-                                                    $username,\%userchg);
+                                                    $username,$userdomain,\%userchg);
                         }
                     } else {
                         if ($context eq 'course') {
@@ -3837,7 +3915,7 @@ sub upfile_drop_add {
                           '<input type="hidden" name="action" value="'.$env{'form.action'}.'" />'.
                           &mt('There are no students with current/future access to the course.').
                           '</form>'."\n");
-            } else {
+            } elsif (ref($classlist) eq 'HASH') {
                 # Remove the students we just added from the list of students.
                 foreach my $line (@userdata) {
                     my %entries=&Apache::loncommon::record_sep($line);
@@ -3899,13 +3977,13 @@ sub print_namespacing_alerts {
 
 sub user_change_result {
     my ($r,$userresult,$authresult,$roleresult,$idresult,$counts,$flushc,
-        $username,$userchg) = @_;
+        $username,$userdomain,$userchg) = @_;
     my $okresult = 0;
     if ($userresult ne 'ok') {
         if ($userresult =~ /^error:(.+)$/) {
             my $error = $1;
             $r->print('<br />'.
-                  &mt('<b>[_1]</b>:  Unable to add/modify: [_2]',$username,$error));
+                  &mt('<b>[_1]</b>:  Unable to add/modify: [_2]',$username.':'.$userdomain,$error));
         }
     } else {
         $counts->{'user'} ++;
@@ -3915,7 +3993,7 @@ sub user_change_result {
         if ($authresult =~ /^error:(.+)$/) {
             my $error = $1;
             $r->print('<br />'.
-                  &mt('<b>[_1]</b>:  Unable to modify authentication: [_2]',$username,$error));
+                  &mt('<b>[_1]</b>:  Unable to modify authentication: [_2]',$username.':'.$userdomain,$error));
         } 
     } else {
         $counts->{'auth'} ++;
@@ -3925,7 +4003,7 @@ sub user_change_result {
         if ($roleresult =~ /^error:(.+)$/) {
             my $error = $1;
             $r->print('<br />'.
-                  &mt('<b>[_1]</b>:  Unable to add role: [_2]',$username,$error));
+                  &mt('<b>[_1]</b>:  Unable to add role: [_2]',$username.':'.$userdomain,$error));
         }
     } else {
         $counts->{'role'} ++;
@@ -3933,7 +4011,7 @@ sub user_change_result {
     }
     if ($okresult) {
         $flushc++;
-        $userchg->{$username}=1;
+        $userchg->{$username.':'.$userdomain}=1;
         $r->print('. ');
         if ($flushc>15) {
             $r->rflush;
@@ -4216,11 +4294,9 @@ sub classlist_drop {
     my ($scope,$uname,$udom,$now) = @_;
     my ($cdom,$cnum) = ($scope=~m{^/($match_domain)/($match_courseid)});
     if (&Apache::lonnet::is_course($cdom,$cnum)) {
-        my $user = $uname.':'.$udom;
         if (!&active_student_roles($cnum,$cdom,$uname,$udom)) {
-            my $result =
-                &Apache::lonnet::cput('classlist',
-                                      { $user => $now },$cdom,$cnum);
+            my %user;
+            my $result = &update_classlist($cdom,$cnum,$udom,$uname,\%user,$now);
             return &mt('Drop from classlist: [_1]',
                        '<b>'.$result.'</b>').'<br />';
         }
@@ -4524,10 +4600,14 @@ sub can_modify_userinfo {
                         if (ref($userroles) eq 'ARRAY') {
                             foreach my $role (@{$userroles}) {
                                 my $testrole;
-                                if ($role =~ /^cr\//) {
-                                    $testrole = 'cr';
-                                } else {
+                                if ($context eq 'selfcreate') {
                                     $testrole = $role;
+                                } else {
+                                    if ($role =~ /^cr\//) {
+                                        $testrole = 'cr';
+                                    } else {
+                                        $testrole = $role;
+                                    }
                                 }
                                 if (ref($domconfig{'usermodification'}{$context}{$testrole}) eq 'HASH') {
                                     if ($domconfig{'usermodification'}{$context}{$testrole}{$field}) {