--- loncom/interface/domainprefs.pm	2007/09/01 21:20:14	1.26
+++ loncom/interface/domainprefs.pm	2007/09/12 12:01:04	1.27
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.26 2007/09/01 21:20:14 raeburn Exp $
+# $Id: domainprefs.pm,v 1.27 2007/09/12 12:01:04 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -67,7 +67,8 @@ sub handler {
     }
     my %domconfig =
       &Apache::lonnet::get_dom('configuration',['login','rolecolors',
-                'quotas','autoenroll','autoupdate','directorysrch'],$dom);
+                'quotas','autoenroll','autoupdate','directorysrch',
+                'usercreation'],$dom);
     my @prefs = (
       { text => 'Default color schemes',
         help => 'Default_Color_Schemes',
@@ -113,6 +114,12 @@ sub handler {
         header => [{col1 => 'Setting',
                     col2 => 'Value',}],
         },
+      { text => 'User creation',
+        help => 'Domain_User_Creation',
+        action => 'usercreation',
+        header => [{col1 => 'Setting',
+                    col2 => 'Value',}],
+        },
     );
     my @roles = ('student','coordinator','author','admin');
     &Apache::lonhtmlcommon::add_breadcrumb
@@ -197,6 +204,8 @@ sub process_changes {
         $output = &modify_autoupdate($dom,%domconfig);
     } elsif ($action eq 'directorysrch') {
         $output = &modify_directorysrch($dom,%domconfig);
+    } elsif ($action eq 'usercreation') {
+        $output = &modify_user_creation($dom,%domconfig);
     }
     return $output;
 }
@@ -289,7 +298,9 @@ sub print_config_box {
            $r->print(&print_autoenroll($dom,$settings));
         } elsif ($action eq 'directorysrch') {
            $r->print(&print_directorysrch($dom,$settings));
-        }  
+        } elsif ($action eq 'usercreation') {
+           $r->print(&print_usercreation($dom,$settings));
+        }
     }
     $r->print('
    </table>
@@ -1000,6 +1011,82 @@ sub print_directorysrch {
     return $datatable;
 }
 
+sub print_usercreation {
+    my ($dom,$settings) = @_;
+    my $numinrow = 4;
+    my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($dom);
+    my %checked;
+    if (ref($settings) eq 'HASH') {
+        if (ref($settings->{'cancreate'}) eq 'ARRAY') {
+            foreach my $item (@{$settings->{'cancreate'}}) { 
+                $checked{$item} = ' checked="checked" ';
+            }
+        }
+    }
+    my $datatable = '<td>'.&mt('User creation other than by DC: ').'</td>'.
+                    '<td class="LC_left_item"><table><tr><td>'.
+                    '<span class="LC_nobreak"><label>'.
+                    '<input type="checkbox" name="can_createuser" '.
+                    $checked{'author'}.' value="author" />'.
+                    &mt('When adding a co-author/assistant author').
+	            '</label><span></td></tr>'.
+                    '<tr><td>'.
+                    '<span class="LC_nobreak"><label>'.
+                    '<input type="checkbox" name="can_createuser" '.
+                    $checked{'course'}.' value="course" />'.
+                    &mt('When adding users to a course').
+                    '</label><span></td></tr></table></td></tr>';
+    if (ref($rules) eq 'HASH') {
+        if (keys(%{$rules}) > 0) {
+            $datatable .= &username_formats_row($settings,$rules,$ruleorder,
+                                                $numinrow);
+        }
+    }
+    return $datatable;
+}
+
+sub username_formats_row {
+    my ($settings,$rules,$ruleorder,$numinrow) = @_;
+    my $output =  '<tr class="LC_odd_row">'.
+                  '<td>'.&mt('Format rules to check for new usernames').
+                  '</td><td class="LC_left_item" colspan="2"><table>';
+    my $rem;
+    if (ref($ruleorder) eq 'ARRAY') {
+        for (my $i=0; $i<@{$ruleorder}; $i++) {
+            if (ref($rules->{$ruleorder->[$i]}) eq 'HASH') {
+                my $rem = $i%($numinrow);
+                if ($rem == 0) {
+                    if ($i > 0) {
+                        $output .= '</tr>';
+                    }
+                    $output .= '<tr>';
+                }
+                my $check = ' ';
+                if (ref($settings->{'username_rule'}) eq 'ARRAY') {
+                    if (grep(/^\Q$ruleorder->[$i]\E$/,@{$settings->{'username_rule'}})) {
+                        $check = ' checked="checked" ';
+                    }
+                }
+                $output .= '<td class="LC_left_item">'.
+                           '<span class="LC_nobreak"><label>'.
+                           '<input type="checkbox" name="username_rule" '.
+                           'value="'.$ruleorder->[$i].'"'.$check.'/>'.
+                           $rules->{$ruleorder->[$i]}{'name'}.'</label></span></td>';
+            }
+        }
+        $rem = @{$ruleorder}%($numinrow);
+    }
+    my $colsleft = $numinrow - $rem;
+    if ($colsleft > 1 ) {
+        $output .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
+                   '&nbsp;</td>';
+    } elsif ($colsleft == 1) {
+        $output .= '<td class="LC_left_item">&nbsp;</td>';
+    }
+    $output .= '</tr></table></td></tr>';
+    return $output;
+}
+
 sub users_cansearch_row {
     my ($settings,$types,$usertypes,$dom,$numinrow,$othertitle) = @_;
     my $output =  '<tr class="LC_odd_row">'.
@@ -2156,6 +2243,100 @@ sub modify_directorysrch {
         }
     } else {
         $resulttext = '<span class="LC_error">'.
+                      &mt('An error occurred: [_1]',$putresult).'</span>';
+    }
+    return $resulttext;
+}
+
+sub modify_user_creation {
+    my ($dom,%domconfig) = @_;
+    my ($resulttext,%curr_usercreation,%changes);
+    if (ref($domconfig{'usercreation'}) eq 'HASH') {
+        foreach my $key (keys(%{$domconfig{'usercreation'}})) {
+            $curr_usercreation{$key} = $domconfig{'usercreation'}{$key};
+        }
+    }
+    my %title = &Apache::lonlocal::texthash (
+                   author => 'adding co-authors/assistant authors',
+                   course => 'adding users to a course',
+                );
+    my @username_rule = &Apache::loncommon::get_env_multiple('form.username_rule');
+    my @cancreate = &Apache::loncommon::get_env_multiple('form.can_createuser');
+    if (ref($curr_usercreation{'cancreate'}) eq 'ARRAY') {
+        foreach my $type (@{$curr_usercreation{'cancreate'}}) {
+            if (!grep(/^\Q$type\E$/,@cancreate)) {
+                push(@{$changes{'cancreate'}},$type);
+            }
+        }
+        foreach my $type (@cancreate) {
+            if (!grep(/^\Q$type\E$/,@{$curr_usercreation{'cancreate'}})) {
+                push(@{$changes{'cancreate'}},$type);
+            }
+        }
+    } else {
+        push(@{$changes{'cancreate'}},@cancreate);
+    }
+    if (ref($curr_usercreation{'username_rule'}) eq 'ARRAY') {
+        foreach my $type (@{$curr_usercreation{'username_rule'}}) {
+            if (!grep(/^\Q$type\E$/,@username_rule)) {
+                push(@{$changes{'username_rule'}},$type);
+            }
+        }
+        foreach my $type (@username_rule) {
+            if (!grep(/^\Q$type\E$/,@{$curr_usercreation{'username_rule'}})) {
+                push(@{$changes{'username_rule'}},$type);
+            }
+        }
+    } else {
+        push(@{$changes{'username_rule'}},@username_rule);
+    }
+
+    my %usercreation_hash =  (
+            usercreation => { 
+                              cancreate     => \@cancreate,
+                              username_rule => \@username_rule,
+                            }
+            );
+
+    my $putresult = &Apache::lonnet::put_dom('configuration',\%usercreation_hash,
+                                             $dom);
+    if ($putresult eq 'ok') {
+        if (keys(%changes) > 0) {
+            $resulttext = &mt('Changes made:').'<ul>';
+            my $chgtext;
+            if (ref($changes{'cancreate'}) eq 'ARRAY') {
+                my $chgtext = '<ul>';
+                foreach my $type (@cancreate) {
+                    $chgtext .= '<li>'.$title{$type}.'</li>';
+                }
+                $chgtext .= '</ul>';
+                if (@cancreate > 0) {
+                    $resulttext .= '<li>'.&mt('Creation of new users is permitted by a Domain Coordinator, and also by other users when: ').$chgtext.'</li>';
+                } else {
+                    $resulttext .= '<li>'.&mt("Creation of new users is now only allowed when the user's role is Domain Coordinator.").'</li>';
+                }
+            }
+            if (ref($changes{'username_rule'}) eq 'ARRAY') {
+                my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($dom);
+                my $chgtext = '<ul>';
+                foreach my $type (@username_rule) {
+                    if (ref($rules->{$type}) eq 'HASH') {
+                        $chgtext .= '<li>'.$rules->{$type}{'name'}.'</li>';
+                    }
+                }
+                $chgtext .= '</ul>';
+                if (@username_rule > 0) {
+                    $resulttext .= '<li>'.&mt('Usernames with the following formats are restricted to verified users in the institutional directory: ').$chgtext.'</li>';     
+                } else {
+                    $resulttext .= '<li>'.&mt('There are now no username formats currenty restricted to verified users in the institutional directory.').'</li>'; 
+                }
+            }
+            $resulttext .= '</ul>';
+        } else {
+            $resulttext = &mt('No changes made to log-in page settings');
+        }
+    } else {
+        $resulttext = '<span class="LC_error">'.
             &mt('An error occurred: [_1]',$putresult).'</span>';
     }
     return $resulttext;