--- loncom/interface/lonuserutils.pm	2013/02/05 16:22:27	1.148
+++ loncom/interface/lonuserutils.pm	2013/08/29 12:35:32	1.154
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.148 2013/02/05 16:22:27 bisitz Exp $
+# $Id: lonuserutils.pm,v 1.154 2013/08/29 12:35:32 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -237,6 +237,8 @@ sub domain_roles_select {
     # Role types
     my @roletypes = ('domain','author','course','community');
     my %lt = &role_type_names();
+    my $onchangefirst = "updateCols('showrole')";
+    my $onchangesecond = "updateCols('showrole')";
     #
     # build up the menu information to be passed to
     # &Apache::loncommon::linked_select_forms
@@ -283,7 +285,8 @@ sub domain_roles_select {
     my $result = &Apache::loncommon::linked_select_forms
         ('studentform',(' 'x3).&mt('Role: '),$env{'form.roletype'},
          'roletype','showrole',\%select_menus,
-         ['domain','author','course','community']);
+         ['domain','author','course','community'],$onchangefirst,
+         $onchangesecond);
     return $result;
 }
 
@@ -396,6 +399,12 @@ sub javascript_validations {
         $param{'curr_autharg'} = $curr_authfield;
     }
 
+    my $showcredits;
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
+    if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'}) {
+        $showcredits = 1;
+    }
+
     my ($setsection_call,$setsections_js);
     my $finish = "  vf.submit();\n";
     if ($mode eq 'upload') {
@@ -405,13 +414,14 @@ sub javascript_validations {
                     $setsection_call = 'setSections(document.'.$param{'formname'}.",'$crstype'".');';
                     $setsections_js =
                         &setsections_javascript($param{'formname'},$groupslist,
-                                                $mode,'',$crstype);
+                                                $mode,'',$crstype,$showcredits);
                 } else {
                     $setsection_call = "'ok'";
                 }
             } elsif ($context eq 'domain') {
                 $setsection_call = 'setCourse()';
-                $setsections_js = &dc_setcourse_js($param{'formname'},$mode,$context);
+                $setsections_js = &dc_setcourse_js($param{'formname'},$mode,
+                                                   $context,$showcredits);
             }
             $finish = "  var checkSec = $setsection_call\n".
                       "  if (checkSec == 'ok') {\n".
@@ -434,13 +444,16 @@ sub javascript_validations {
          domain   => 'The optional domain field was not specified.',
          continue => 'Continue adding users?',
          );
+    if ($showcredits) {
+        $alert{'credits'} = &mt('The optional credits field was not specified');
+    }
     if (($mode eq 'upload') && ($context eq 'domain')) {
         $alert{'inststatus'} = &mt('The optional affiliation field was not specified'); 
     }
     my $function_name = <<"END";
 $setsections_js
 
-function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain,foundinststatus) {
+function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain,foundinststatus,foundcredits) {
 END
     my ($authnum,%can_assign) =  &Apache::loncommon::get_assignable_auth($domain);
     my $auth_checks;
@@ -497,6 +510,7 @@ END
             return;
         }
     }
+/* regexp here to check for non \d \. in credits */
 END
     } else {
         $auth_checks .= (<<END);
@@ -569,6 +583,16 @@ END
         message+='$alert{'domain'}';
     }
 END
+        if ($showcredits) {
+            $optional_checks .= <<END;
+    if (foundcredits==0) {
+        if (message!='') {
+            message+='\\n';
+        }
+        message+='$alert{'credits'}';
+    }
+END
+        }
         if (($mode eq 'upload') && ($context eq 'domain')) {
             $optional_checks .= (<<END);
 
@@ -653,6 +677,7 @@ function verify(vf,sec_caller) {
     var foundrole=0;
     var founddomain=0;
     var foundinststatus=0;
+    var foundcredits=0;
     var tw;
     for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
@@ -665,8 +690,9 @@ function verify(vf,sec_caller) {
         if (tw==11) { foundrole=1; }
         if (tw==12) { founddomain=1; }
         if (tw==13) { foundinststatus=1; }
+        if (tw==14) { foundcredits=1; }
     }
-    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain,foundinststatus);
+    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain,foundinststatus,foundcredits);
 }
 
 //
@@ -689,6 +715,7 @@ function verify(vf,sec_caller) {
 // 11 = role
 // 12 = domain
 // 13 = inststatus
+// 14 = foundcredits 
 
 function flip(vf,tf) {
    var nw=eval('vf.f'+tf+'.selectedIndex');
@@ -786,6 +813,7 @@ function verify(vf,sec_caller) {
     var foundrole=0;
     var founddomain=0;
     var foundinststatus=0;
+    var foundcredits=0;
     var tw;
     for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
@@ -798,8 +826,9 @@ function verify(vf,sec_caller) {
         if (i==10 && tw!=0) { foundrole=1; }
         if (i==11 && tw!=0) { founddomain=1; }
         if (i==12 && tw!=0) { foundinstatus=1; }
+        if (i==13 && tw!=0) { foundcredits=1; }
     }
-    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain,foundinststatus);
+    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail,foundrole,founddomain,foundinststatus,foundcredits);
 }
 
 function flip(vf,tf) {
@@ -831,7 +860,8 @@ ENDPICK
 ###############################################################
 ###############################################################
 sub print_upload_manager_footer {
-    my ($r,$i,$keyfields,$defdom,$today,$halfyear,$context,$permission,$crstype) = @_;
+    my ($r,$i,$keyfields,$defdom,$today,$halfyear,$context,$permission,$crstype,
+        $showcredits) = @_;
     my $form = 'document.studentform';
     my $formname = 'studentform';
     my ($krbdef,$krbdefdom) =
@@ -920,9 +950,15 @@ sub print_upload_manager_footer {
                     &mt('Default role'))
                .&mt('Choose the role to assign to users without a value specified in the uploaded file.')
     } elsif ($context eq 'course') {
-        $Str .= &Apache::lonhtmlcommon::row_title(
+        if ($showcredits) {
+            $Str .= &Apache::lonhtmlcommon::row_title(
+                    &mt('Default role, section and credits'))
+                   .&mt('Choose the role and/or section(s) and/or credits to assign to users without values specified in the uploaded file.');
+        } else { 
+            $Str .= &Apache::lonhtmlcommon::row_title(
                     &mt('Default role and section'))
-               .&mt('Choose the role and/or section(s) to assign to users without values specified in the uploaded file.');
+                   .&mt('Choose the role and/or section(s) to assign to users without values specified in the uploaded file.');
+        }
     } else {
         $Str .= &Apache::lonhtmlcommon::row_title(
                     &mt('Default role and/or section(s)'))
@@ -930,7 +966,8 @@ sub print_upload_manager_footer {
     }
     if (($context eq 'domain') || ($context eq 'author')) {
         $Str .= '<br />';
-        my ($options,$cb_script,$coursepick) = &default_role_selector($context,1);
+        my ($options,$cb_script,$coursepick) = 
+            &default_role_selector($context,1,'',$showcredits);
         if ($context eq 'domain') {
             $Str .= '<p>'
                    .'<b>'.&mt('Domain Level').'</b><br />'
@@ -947,8 +984,13 @@ sub print_upload_manager_footer {
     } else {
         my ($cnum,$cdom) = &get_course_identity();
         my $rowtitle = &mt('section');
-        my $secbox = &section_picker($cdom,$cnum,'Any',$rowtitle,
-                                     $permission,$context,'upload',$crstype);
+        my $defaultcredits;
+        if ($showcredits) {
+            $defaultcredits = &get_defaultcredits();
+        }
+        my $secbox = &section_picker($cdom,$cnum,'Any',$rowtitle,$permission,
+                                     $context,'upload',$crstype,$showcredits,
+                                     $defaultcredits);
         $Str .= $secbox
                .&Apache::lonhtmlcommon::row_closure();
         my %lt;
@@ -994,6 +1036,43 @@ sub print_upload_manager_footer {
     return;
 }
 
+sub get_defaultcredits {
+    my ($cdom,$cnum) = @_;
+     
+    if ($cdom eq '' || $cnum eq '') {
+        return unless ($env{'request.course.id'});
+        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    }
+    return unless(($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)); 
+    my ($defaultcredits,$domdefcredits);
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($cdom);
+    if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'}) {
+        my $instcode = $env{'course.'.$cdom.'_'.$cnum.'.internal.coursecode'};
+        if ($instcode) {
+            $domdefcredits = $domdefaults{'officialcredits'};
+        } else {
+            $domdefcredits = $domdefaults{'unofficialcredits'};
+        }
+    } else {
+        return;
+    }
+
+    if ($env{'request.course.id'} eq $cdom.'_'.$cnum) {
+        $defaultcredits = $env{'course.'.$cdom.'_'.$cnum.'.internal.defaultcredits'};
+    } elsif (exists($env{'course.'.$cdom.'_'.$cnum.'.internal.defaultcredits'})) {
+        $defaultcredits = $env{'course.'.$cdom.'_'.$cnum.'.internal.defaultcredits'};
+    } else {
+        my %crsinfo =
+            &Apache::lonnet::coursedescription("$cdom/$cnum",{'one_time' => 1});
+        $defaultcredits = $crsinfo{'internal.defaultcredits'};
+    }
+    if ($defaultcredits eq '') {
+        $defaultcredits = $domdefcredits;
+    }
+    return $defaultcredits;
+}
+
 sub forceid_change {
     my ($context) = @_;
     my $output = 
@@ -1015,7 +1094,7 @@ sub forceid_change {
 ###############################################################
 ###############################################################
 sub print_upload_manager_form {
-    my ($r,$context,$permission,$crstype) = @_;
+    my ($r,$context,$permission,$crstype,$showcredits) = @_;
     my $firstLine;
     my $datatoken;
     if (!$env{'form.datatoken'}) {
@@ -1048,7 +1127,9 @@ sub print_upload_manager_form {
                                'domain_choice' => 'scalar',
                                'inststatus_choice' => 'scalar',
                              };
-    my $defdom = $env{'request.role.domain'};
+    if ($showcredits) {
+        $col_setting_names->{'credits_choice'} = 'scalar';
+    }
     if ($context eq 'course') {
         &Apache::loncommon::restore_course_settings('enrollment_upload',
                                                     $col_setting_names);
@@ -1056,6 +1137,7 @@ sub print_upload_manager_form {
         &Apache::loncommon::restore_settings($context,'user_upload',
                                              $col_setting_names);
     }
+    my $defdom = $env{'request.role.domain'};
     #
     # Determine kerberos parameters as appropriate
     my ($krbdef,$krbdefdom) =
@@ -1081,6 +1163,10 @@ sub print_upload_manager_form {
              ['role',&mt('Role'),             $env{'form.role_choice'}],
              ['domain',&mt('Domain'),         $env{'form.domain_choice'}],
              ['inststatus',&mt('Affiliation'), $env{'form.inststatus_choice'}]);
+        if ($showcredits) {     
+            push(@field,
+                 ['credits',&mt('Student Credits'), $env{'form.credits_choice'}]);
+        }
         if ($env{'form.upfile_associate'} eq 'reverse') {
             &Apache::loncommon::csv_print_samples($r,\@records);
             $i=&Apache::loncommon::csv_print_select_table($r,\@records,
@@ -1098,7 +1184,7 @@ sub print_upload_manager_form {
         }
     }
     &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear,
-                                 $context,$permission,$crstype);
+                                 $context,$permission,$crstype,$showcredits);
 }
 
 sub setup_date_selectors {
@@ -1255,7 +1341,7 @@ sub make_dates_default {
 }
 
 sub default_role_selector {
-    my ($context,$checkpriv,$crstype) = @_;
+    my ($context,$checkpriv,$crstype,$showcredits) = @_;
     my %customroles;
     my ($options,$coursepick,$cb_jscript);
     if ($context ne 'author') {
@@ -1267,6 +1353,7 @@ sub default_role_selector {
                     'grs'  => "Section",
                     'exs'  => "Existing sections",
                     'new'  => "New section",
+                    'crd'  => "Credits",
                   );
     $options = '<select name="defaultrole">'."\n".
                ' <option value="">'.&mt('Please select').'</option>'."\n"; 
@@ -1286,12 +1373,18 @@ sub default_role_selector {
         }
         my $courseform = &Apache::loncommon::selectcourse_link
             ('studentform','dccourse','dcdomain','coursedesc',"$env{'request.role.domain'}",undef,'Course/Community');
+        my ($credit_elem,$creditsinput);
+        if ($showcredits) {
+            $credit_elem = 'credits';
+            $creditsinput = '<td><input type="text" name="credits" value="" /></td>';
+        }
         $cb_jscript = 
-            &Apache::loncommon::coursebrowser_javascript($env{'request.role.domain'},'currsec','studentform','courserole','Course/Community');
+            &Apache::loncommon::coursebrowser_javascript($env{'request.role.domain'},'currsec','studentform','courserole','Course/Community',$credit_elem);
         $coursepick = &Apache::loncommon::start_data_table().
                       &Apache::loncommon::start_data_table_header_row().
                       '<th>'.$courseform.'</th><th>'.$lt{'rol'}.'</th>'.
                       '<th>'.$lt{'grs'}.'</th>'.
+                      '<th>'.$lt{'crd'}.'</th>'.
                       &Apache::loncommon::end_data_table_header_row().
                       &Apache::loncommon::start_data_table_row()."\n".
                       '<td><input type="text" name="coursedesc" value="" onfocus="this.blur();opencrsbrowser('."'studentform','dccourse','dcdomain','coursedesc','','','','crstype'".')" /></td>'."\n".
@@ -1313,7 +1406,7 @@ sub default_role_selector {
                       '<input type="hidden" name="dccourse" value="" />'.
                       '<input type="hidden" name="dcdomain" value="" />'.
                       '<input type="hidden" name="crstype" value="" />'.
-                      '</td></tr></table></td>'.
+                      '</td></tr></table></td>'.$creditsinput.
                       &Apache::loncommon::end_data_table_row().
                       &Apache::loncommon::end_data_table()."\n";
     }
@@ -1450,7 +1543,7 @@ sub my_custom_roles {
 
 sub print_userlist {
     my ($r,$mode,$permission,$context,$formname,$totcodes,$codetitles,
-        $idlist,$idlist_titles) = @_;
+        $idlist,$idlist_titles,$showcredits) = @_;
     my $format = $env{'form.output'};
     if (! exists($env{'form.sortby'})) {
         $env{'form.sortby'} = 'username';
@@ -1485,10 +1578,6 @@ sub print_userlist {
         @statuses = ('future');
     }
 
-#    if ($context eq 'course') { 
-#        $r->print(&display_adv_courseroles());
-#    }
-    #
     # Interface output
     $r->print('<form name="studentform" method="post" action="/adm/createuser">'."\n".
               '<input type="hidden" name="action" value="'.
@@ -1526,21 +1615,23 @@ sub print_userlist {
         $r->print(&section_group_filter($cnum,$cdom));
     }
     $r->print('</div><div class="LC_left_float">'.
-              &column_checkboxes($context,$mode,$formname).
-              '</div><br clear="all" />');
+              &column_checkboxes($context,$mode,$formname,$showcredits).
+              '</div>');
     if ($env{'form.phase'} eq '') {
-        $r->print(&list_submit_button(&mt('Display List of Users'))."\n".
+        $r->print('<br clear="all" />'.
+                  &list_submit_button(&mt('Display List of Users'))."\n".
                   '<input type="hidden" name="phase" value="" /></form>');
         return;
     }
     if (!(($context eq 'domain') && 
           (($env{'form.roletype'} eq 'course') || ($env{'form.roletype'} eq 'community')))) {
-        $r->print(&list_submit_button(&mt('Update Display'))."\n");
+        $r->print('<br clear="all" />'.
+                  &list_submit_button(&mt('Update Display'))."\n");
     }
 
-    my @cols = &infocolumns($context,$mode);  
+    my @cols = &infocolumns($context,$mode,$showcredits);  
     if (!@cols) {
-         $r->print('<hr /><span class="LC_warning">'.
+         $r->print('<hr style="clear:both;" /><span class="LC_warning">'.
                    &mt('No user information selected for display.').'</span>'.
                    '<input type="hidden" name="phase" value="display" /></form>'."\n");
          return;
@@ -1583,7 +1674,7 @@ sub print_userlist {
             $r->print('<hr />'.&mt('Searching ...').'<br />&nbsp;<br />');
         }
     } else {
-        $r->print('<hr /><div id="searching">'.&mt('Searching ...').'</div>');
+        $r->print('<hr style="clear:both;" /><div id="searching">'.&mt('Searching ...').'</div>');
     }
     $r->rflush();
     if ($context eq 'course') {
@@ -1725,10 +1816,12 @@ sub print_userlist {
         my $usercount;
         if ($env{'form.action'} eq 'modifystudent') {
             ($usercount) = &show_users_list($r,$context,'view',$permission,
-                                 $env{'form.Status'},\%userlist,$keylist);
+                                 $env{'form.Status'},\%userlist,$keylist,'',
+                                 $showcredits);
         } else {
             ($usercount) = &show_users_list($r,$context,$env{'form.output'},
-                               $permission,$env{'form.Status'},\%userlist,$keylist);
+                               $permission,$env{'form.Status'},\%userlist,
+                               $keylist,'',$showcredits);
         }
         if (!$usercount) {
             $r->print('<br /><span class="LC_info">'
@@ -1849,12 +1942,12 @@ sub section_group_filter {
 }
 
 sub infocolumns {
-    my ($context,$mode) = @_;
+    my ($context,$mode,$showcredits) = @_;
     my @cols;
     if (($mode eq 'pickauthor') || ($mode eq 'autoenroll')) {
-        @cols = &get_cols_array($context,$mode);
+        @cols = &get_cols_array($context,$mode,$showcredits);
     } else {
-        my @posscols = &get_cols_array($context,$mode);
+        my @posscols = &get_cols_array($context,$mode,$showcredits);
         if ($env{'form.phase'} ne '') {
             my @checkedcols = &Apache::loncommon::get_env_multiple('form.showcol');
             foreach my $col (@checkedcols) {
@@ -1870,7 +1963,7 @@ sub infocolumns {
 }
 
 sub get_cols_array {
-    my ($context,$mode) = @_;
+    my ($context,$mode,$showcredits) = @_;
     my @cols;
     if ($mode eq 'pickauthor') {
         @cols = ('username','fullname','status','email');
@@ -1880,9 +1973,6 @@ sub get_cols_array {
             push(@cols,'section');
         }
         push(@cols,('start','end','role'));
-        if ($context eq 'domain') {
-            push (@cols,'extent');
-        }
         unless (($mode eq 'autoenroll') && ($env{'form.Status'} ne 'Any')) {
             push(@cols,'status');
         }
@@ -1891,19 +1981,25 @@ sub get_cols_array {
         }
         push(@cols,'email');
         if (($context eq 'course') && ($mode ne 'autoenroll')) {
+            if ($showcredits) {
+                push(@cols,'credits');
+            }
             push(@cols,'lastlogin','clicker');
         }
         if (($context eq 'course') && ($mode ne 'autoenroll') &&
             ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'})) {
             push(@cols,'photos');
         }
+        if ($context eq 'domain') {
+            push (@cols,'extent');
+        }
     }
     return @cols;
 }
 
 sub column_checkboxes {
-    my ($context,$mode,$formname) = @_;
-    my @cols = &get_cols_array($context,$mode);
+    my ($context,$mode,$formname,$showcredits) = @_;
+    my @cols = &get_cols_array($context,$mode,$showcredits);
     my @showncols = &Apache::loncommon::get_env_multiple('form.showcol');
     my (%disabledchk,%unchecked);
     if ($env{'form.phase'} eq '') {
@@ -1911,8 +2007,13 @@ sub column_checkboxes {
         if ($context eq 'course') {
             $disabledchk{'role'} = 1;
             $unchecked{'photo'} = 1;
+            $unchecked{'clicker'} = 1;
+            if ($showcredits) {
+                $unchecked{'credits'} = 1;
+            }
+        } elsif ($context eq 'domain') { 
+            $unchecked{'extent'} = 1; 
         }
-        $unchecked{'clicker'} = 1;
         $unchecked{'start'} = 1;
         $unchecked{'end'} = 1;
     } else {
@@ -1922,9 +2023,17 @@ sub column_checkboxes {
         if (($env{'form.showrole'} ne 'Any') && ($env{'form.showrole'} ne 'cr')) {
             $disabledchk{'role'} = 1;
         }
+        if ($context eq 'domain') {
+            if (($env{'form.roletype'} eq 'course') || 
+                ($env{'form.roletype'} eq 'community')) {
+                $disabledchk{'status'} = 1;
+            } elsif ($env{'form.roletype'} eq 'domain') {
+                $disabledchk{'extent'} = 1; 
+            }
+        }
     }
     my $numposs = scalar(@cols);
-    my $numinrow = 8;
+    my $numinrow = 7;
     my %lt = &get_column_names($context);
     my $output = '<fieldset><legend>'.&mt('Information to show').'</legend>'."\n".'<span class="LC_nobreak">'.
                  '<input type="button" onclick="javascript:checkAll(document.'.$formname.'.showcol);" value="'.&mt('check all').'" />'.
@@ -1964,9 +2073,16 @@ sub column_checkboxes {
         } else {
             $output .= '<td>';
         }
-        $output .= '<label><input id="showcol'.$cols[$i].'" type="checkbox" name="showcol" value="'.$cols[$i].'"'.$checked.' />'.
-                   $lt{$cols[$i]}.'</label></td>';
-
+        my $style;
+        if ($cols[$i] eq 'extent') {
+            if (($env{'form.roletype'} eq 'domain') || ($env{'form.roletype'} eq '')) {
+                $style = ' style="display: none;"';
+            } 
+        } 
+        $output .= '<span id="show'.$cols[$i].'"'.$style.'><label>'.
+                   '<input id="showcol'.$cols[$i].'" type="checkbox" name="showcol" value="'.$cols[$i].'"'.$checked.' /><span id="showcoltext'.$cols[$i].'">'.
+                   $lt{$cols[$i]}.'</span>'.
+                   '</label></span></td>';
     }
     $output .= '</tr></table></fieldset>';
     return $output;
@@ -1990,6 +2106,7 @@ sub get_column_names {
         'end'        => "end date",
         'status'     => "status",
         'role'       => "role",
+        'credits'    => "credits",
         'type'       => "enroll type/action",
         'email'      => "e-mail address",
         'photo'      => "photo",
@@ -2000,11 +2117,12 @@ sub get_column_names {
         'clicker'    => "clicker-ID",
     );
     if ($context eq 'domain' && $env{'form.roletype'} eq 'course') {
-        $lt{'extent'} = &mt('Course(s): description, section(s), status');
+        $lt{'extent'} = &mt('course(s): description, section(s), status');
     } elsif ($context eq 'domain' && $env{'form.roletype'} eq 'community') {
-        $lt{'extent'} = &mt('Communities: description, section(s), status');
-    } elsif ($context eq 'author') {
-        $lt{'extent'} = &mt('Author');
+        $lt{'extent'} = &mt('community(s): description, section(s), status');
+    } elsif (($context eq 'author') || 
+             ($context eq 'domain' && $env{'form.roletype'} eq 'author')) {
+        $lt{'extent'} = &mt('author');
     }
     return %lt;
 }
@@ -2258,29 +2376,6 @@ sub instcode_from_coursefilter {
     return $instcode;
 }
 
-sub display_adv_courseroles {
-    my $output;
-    #
-    # List course personnel
-    my %coursepersonnel = 
-       &Apache::lonnet::get_course_adv_roles($env{'request.course.id'});
-    #
-    $output = '<br />'.&Apache::loncommon::start_data_table();
-    foreach my $role (sort(keys(%coursepersonnel))) {
-        next if ($role =~ /^\s*$/);
-        $output .= &Apache::loncommon::start_data_table_row().
-                  '<td>'.$role.'</td><td>';
-        foreach my $user (split(',',$coursepersonnel{$role})) {
-            my ($puname,$pudom)=split(':',$user);
-            $output .= ' '.&Apache::loncommon::aboutmewrapper(
-                       &Apache::loncommon::plainname($puname,$pudom),
-                       $puname,$pudom);
-        }
-        $output .= '</td>'.&Apache::loncommon::end_data_table_row();
-    }
-    $output .= &Apache::loncommon::end_data_table();
-}
-
 sub make_keylist_array {
     my ($index,$keylist);
     $index->{'domain'} = &Apache::loncoursedata::CL_SDOM();
@@ -2299,6 +2394,7 @@ sub make_keylist_array {
     $index->{'extent'} = &Apache::loncoursedata::CL_EXTENT();
     $index->{'photo'} = &Apache::loncoursedata::CL_PHOTO();
     $index->{'thumbnail'} = &Apache::loncoursedata::CL_THUMBNAIL();
+    $index->{'credits'} = &Apache::loncoursedata::CL_CREDITS();
     foreach my $key (keys(%{$index})) {
         $keylist->[$index->{$key}] = $key;
     }
@@ -2347,7 +2443,8 @@ sub process_date_info {
 }
 
 sub show_users_list {
-    my ($r,$context,$mode,$permission,$statusmode,$userlist,$keylist,$formname)=@_;
+    my ($r,$context,$mode,$permission,$statusmode,$userlist,$keylist,$formname,
+        $showcredits)=@_;
     if ($formname eq '') {
         $formname = 'studentform';
     }
@@ -2362,6 +2459,9 @@ sub show_users_list {
     my @sortable = ('username','domain','id','fullname','start','end','email','role');
     if ($context eq 'course') {
         push(@sortable,('section','groups','type'));
+        if ($showcredits) {
+            push(@sortable,'credits');
+        }
     } else {
         push(@sortable,'extent');
     }
@@ -2372,11 +2472,12 @@ sub show_users_list {
         $sortby = 'username';
     }
     my $setting = $env{'form.roletype'};
-    my ($cid,$cdom,$cnum,$classgroups,$crstype);
+    my ($cid,$cdom,$cnum,$classgroups,$crstype,$defaultcredits);
     if ($context eq 'course') {
         $cid = $env{'request.course.id'};
         $crstype = &Apache::loncommon::course_type();
         ($cnum,$cdom) = &get_course_identity($cid);
+        $defaultcredits = $env{'course.'.$cid.'.internal.defaultcredits'};
         ($classgroups) = &Apache::loncoursedata::get_group_memberships(
                                      $userlist,$keylist,$cdom,$cnum);
         if ($mode eq 'autoenroll') {
@@ -2469,7 +2570,7 @@ END
     $r->print(<<END);
 <input type="hidden" name="sortby" value="$sortby" />
 END
-    my @cols = &infocolumns($context,$mode);
+    my @cols = &infocolumns($context,$mode,$showcredits);
     my %coltxt = &get_column_names($context);
     my %acttxt = &Apache::lonlocal::texthash(
                        'pr'         => "Proceed",
@@ -2771,6 +2872,11 @@ END
                                                                 'gif','thumbnail');
                     }
                 }
+                if (($role eq 'st') && ($defaultcredits)) {
+                    if ($userlist->{$user}->[$index{'credits'}] eq '') {
+                        $userlist->{$user}->[$index{'credits'}] = $defaultcredits;
+                    }
+                }
             }
         }
         my %emails   = &Apache::loncommon::getemails($uname,$udom);
@@ -2888,7 +2994,8 @@ END
                                 $checkval .= ':'.$in{'section'};
                                 if ($role eq 'st') {
                                     $checkval .= ':'.$in{'type'}.':'.
-                                                 $in{'lockedtype'};
+                                                 $in{'lockedtype'}.':'.
+                                                 $in{'credits'};
                                 }
                              }
                         }
@@ -2935,7 +3042,7 @@ END
                         } else {
                              $r->print('<td>&nbsp;</td>'."\n");
                         } 
-                    } 
+                    }
                 } else {
                     $r->print('<td>'.$in{$item}.'</td>'."\n");
                 }
@@ -3136,6 +3243,7 @@ sub select_actions {
                 chgdates  => "Change starting/ending dates",
                 chgsec   => "Change section associated with user roles",
     );
+    # FIXME Add an option to change credits for student roles.
     my ($output,$options,%choices);
     # FIXME Disable actions for now for roletype=course in domain context
     if ($context eq 'domain' && $setting eq 'course') {
@@ -3263,11 +3371,13 @@ ENDTWO
 }
 
 sub date_section_selector {
-    my ($context,$permission,$crstype) = @_;
+    my ($context,$permission,$crstype,$showcredits) = @_;
     my $callingform = $env{'form.callingform'};
     my $formname = 'dateselect';  
     my $groupslist = &get_groupslist();
-    my $sec_js = &setsections_javascript($formname,$groupslist);
+    my $sec_js =
+        &setsections_javascript($formname,$groupslist,undef,undef,$crstype,
+                                $showcredits);
     my $output = <<"END";
 <script type="text/javascript">
 // <![CDATA[
@@ -3399,7 +3509,8 @@ ENDJS
             $info = '<input type="hidden" name="retainsec" value="0" />'; 
         }
         my $rowtitle = &mt('New section to assign');
-        my $secbox = &section_picker($cdom,$cnum,$env{'form.showrole'},$rowtitle,$permission,$context,'',$crstype);
+        my $secbox = &section_picker($cdom,$cnum,$env{'form.showrole'},$rowtitle,
+                                     $permission,$context,'chgsec',$crstype);
         $output .= $info.$secbox;
     }
     $output .= '<p>'.
@@ -3409,13 +3520,14 @@ ENDJS
 }
 
 sub section_picker {
-    my ($cdom,$cnum,$role,$rowtitle,$permission,$context,$mode,$crstype) = @_;
+    my ($cdom,$cnum,$role,$rowtitle,$permission,$context,$mode,$crstype,
+        $showcredits,$credits) = @_;
     my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum);
     my $sections_select .= &course_sections(\%sections_count,$role);
     my $secbox = '<div>'.&Apache::lonhtmlcommon::start_pick_box()."\n";
     if ($mode eq 'upload') {
         my ($options,$cb_script,$coursepick) =
-            &default_role_selector($context,1,$crstype);
+            &default_role_selector($context,1,$crstype,$showcredits);
         $secbox .= &Apache::lonhtmlcommon::row_title(&mt('role'),'LC_oddrow_value').
                    $options. &Apache::lonhtmlcommon::row_closure(1)."\n";
     }
@@ -3429,12 +3541,21 @@ sub section_picker {
                    '<input type="hidden" name="sections" value="" />'."\n".
                    '</td></tr></table>'."\n";
     } else {
-       $secbox .= '<input type="hidden" name="sections" value="'.
+        $secbox .= '<input type="hidden" name="sections" value="'.
                    $env{'request.course.sec'}.'" />'.
                    $env{'request.course.sec'};
     }
-    $secbox .= &Apache::lonhtmlcommon::row_closure(1)."\n".
-               &Apache::lonhtmlcommon::end_pick_box().'</div>';
+    $secbox .= &Apache::lonhtmlcommon::row_closure(1)."\n";
+    unless ($mode eq 'chgsec') {
+        if ($showcredits) {
+            $secbox .= 
+                &Apache::lonhtmlcommon::row_title(&mt('credits (students)'),
+                                                  'LC_evenrow_value')."\n".
+                '<input type="text" name="credits" size="3" value="'.$credits.'" />'."\n".
+                &Apache::lonhtmlcommon::row_closure(1)."\n";
+        }
+    }
+    $secbox .= &Apache::lonhtmlcommon::end_pick_box().'</div>';
     return $secbox;
 }
 
@@ -3875,7 +3996,7 @@ sub print_first_users_upload_form {
 
 # ================================================= Drop/Add from uploaded file
 sub upfile_drop_add {
-    my ($r,$context,$permission) = @_;
+    my ($r,$context,$permission,$showcredits) = @_;
     &Apache::loncommon::load_tmp_file($r);
     my @userdata=&Apache::loncommon::upfile_record_sep();
     if($env{'form.noFirstLine'}){shift(@userdata);}
@@ -3896,25 +4017,17 @@ sub upfile_drop_add {
     }
     #
     # Store the field choices away
-    foreach my $field (qw/username names
-                       fname mname lname gen id sec ipwd email role domain/) {
+    my @storefields = qw/username names fname mname lname gen id 
+                         sec ipwd email role domain inststatus/;
+    if ($showcredits) {
+        push (@storefields,'credits');
+    }
+    my %fieldstype; 
+    foreach my $field (@storefields) {
         $env{'form.'.$field.'_choice'}=$fields{$field};
+        $fieldstype{$field.'_choice'} = 'scalar';
     }
-    &Apache::loncommon::store_course_settings('enrollment_upload',
-                                              { 'username_choice' => 'scalar',
-                                                'names_choice' => 'scalar',
-                                                'fname_choice' => 'scalar',
-                                                'mname_choice' => 'scalar',
-                                                'lname_choice' => 'scalar',
-                                                'gen_choice' => 'scalar',
-                                                'id_choice' => 'scalar',
-                                                'sec_choice' => 'scalar',
-                                                'ipwd_choice' => 'scalar',
-                                                'email_choice' => 'scalar',
-                                                'role_choice'  => 'scalar',
-                                                'domain_choice' => 'scalar',
-                                                'inststatus_choice' => 'scalar'});
-    #
+    &Apache::loncommon::store_course_settings('enrollment_upload',\%fieldstype);
     my ($cid,$crstype,$setting);
     if ($context eq 'domain') {
         $setting = $env{'form.roleaction'};
@@ -3982,19 +4095,30 @@ sub upfile_drop_add {
             $amode = ''; # This causes the loop below to be skipped
         }
     }
-    my ($defaultsec,$defaultrole);
+    my ($defaultsec,$defaultrole,$defaultcredits,$commoncredits);
     if ($context eq 'domain') {
         if ($setting eq 'domain') {
             $defaultrole = $env{'form.defaultrole'};
         } elsif ($setting eq 'course') {
             $defaultrole = $env{'form.courserole'};
             $defaultsec = $env{'form.sections'};
-        }  
+            if ($showcredits) {
+                $commoncredits = $env{'form.credits'};
+                if ($crstype ne 'Community') {
+                    my %coursehash=&Apache::lonnet::coursedescription($cid);
+                    $defaultcredits = $coursehash{'internal.defaultcredits'};
+                }
+            }
+        }
     } elsif ($context eq 'author') {
         $defaultrole = $env{'form.defaultrole'};
     } elsif ($context eq 'course') {
         $defaultrole = $env{'form.defaultrole'};
         $defaultsec = $env{'form.sections'};
+        if ($showcredits) {
+            $commoncredits = $env{'form.credits'};
+            $defaultcredits = $env{'course.'.$cid.'.internal.defaultcredits'};
+        }
     }
     # Check to see if user information can be changed
     my @userinfo = ('firstname','middlename','lastname','generation',
@@ -4254,6 +4378,21 @@ sub upfile_drop_add {
                     foreach (\$id,\$fname,\$mname,\$lname,\$gen,\$inststatus) {
                         $$_ =~ s/(\s+$|^\s+)//g;
                     }
+                    my $credits;
+                    if ($showcredits) {
+                        if (($role eq 'st') && ($crstype ne 'Community')) {
+                            $credits = $entries{$fields{'credits'}};
+                            if ($credits ne '') {
+                                $credits =~ s/[^\d\.]//g;
+                            }
+                            if ($credits eq '') {
+                                $credits = $commoncredits;
+                            }
+                            if ($credits eq $defaultcredits) {
+                                undef($credits);
+                            }
+                        }
+                    }
                     # check against rules
                     my $checkid = 0;
                     my $newuser = 0;
@@ -4384,7 +4523,7 @@ sub upfile_drop_add {
                                      $fname,$mname,$lname,$gen,$sec,$enddate,
                                      $startdate,$env{'form.forceid'},
                                      $desiredhost,$email,'manual','',$cid,
-                                     '',$context,$inststatus);
+                                     '',$context,$inststatus,$credits);
                             $userresult = $roleresult;
                         } else {
                             if ($role ne '') { 
@@ -4479,7 +4618,7 @@ sub upfile_drop_add {
             #  Get current classlist
             my $classlist = &Apache::loncoursedata::get_classlist();
             if (! defined($classlist)) {
-                $r->print('<form name="studentform" method="post" action="/adm/createuser" />'.
+                $r->print('<form name="studentform" method="post" action="/adm/createuser">'.
                           '<input type="hidden" name="action" value="'.$env{'form.action'}.'" />'.
                           '<p class="LC_info">'.&mt('There are no students with current/future access to the course.').'</p>'.
                           '</form>'."\n");
@@ -4602,7 +4741,7 @@ sub print_drop_menu {
         $heading = &mt("Drop Students");
     }
     $r->print('<h3>'.$heading.'</h3>'."\n".
-              '<form name="studentform" method="post">'."\n");
+              '<form name="studentform" method="post" action="">'."\n");
     my $classlist = &Apache::loncoursedata::get_classlist();
     if (! defined($classlist)) {
         my $msg = '';
@@ -4658,7 +4797,7 @@ sub update_user_list {
     foreach my $item (@changelist) {
         my ($role,$uname,$udom,$cid,$sec,$scope,$result,$type,$locktype,
             @sections,$scopestem,$singlesec,$showsecs,$warn_singlesec,
-            $nothingtodo,$keepnosection);
+            $nothingtodo,$keepnosection,$credits);
         if ($choice eq 'drop') {
             ($uname,$udom,$sec) = split(/:/,$item,-1);
             $role = 'st';
@@ -4671,7 +4810,8 @@ sub update_user_list {
                 $scope = $scopestem.'/'.$sec;
             }
         } elsif ($context eq 'course') {
-            ($uname,$udom,$role,$sec,$type,$locktype) = split(/\:/,$item,-1);
+            ($uname,$udom,$role,$sec,$type,$locktype,$credits) =
+                split(/\:/,$item);
             $cid = $env{'request.course.id'};
             $scopestem = '/'.$cid;
             $scopestem =~s/\_/\//g;
@@ -4690,7 +4830,7 @@ sub update_user_list {
             } elsif ($setting eq 'author') { 
                 ($uname,$udom,$role,$scope) = split(/\:/,$item);
             } elsif ($setting eq 'course') {
-                ($uname,$udom,$role,$cid,$sec,$type,$locktype) = 
+                ($uname,$udom,$role,$cid,$sec,$type,$locktype,$credits) = 
                     split(/\:/,$item);
                 $scope = '/'.$cid;
                 $scope =~s/\_/\//g;
@@ -4713,7 +4853,7 @@ sub update_user_list {
             $end = $now; 
             if ($role eq 'st') {
                 $result = 
-                    &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context);
+                    &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
             } else {
                 $result = 
                     &Apache::lonnet::revokerole($udom,$uname,$scope,$role,
@@ -4721,7 +4861,7 @@ sub update_user_list {
             }
         } elsif ($choice eq 'delete') {
             if ($role eq 'st') {
-                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$now,$start,$type,$locktype,$cid,'',$context);
+                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$now,$start,$type,$locktype,$cid,'',$context,$credits);
             }
             $result =
                 &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$now,
@@ -4734,7 +4874,7 @@ 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,$cid,'',$context);
+                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
                 } else {
                     $result = 
                         &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
@@ -4742,14 +4882,14 @@ sub update_user_list {
                 }
             } 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,$cid,'',$context);
+                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
                 } else {
                     $result = &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
                                             $now,'','',$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,$cid,'',$context);
+                    $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
                 } else {
                     $result = &Apache::lonnet::assignrole($udom,$uname,$scope,$role,$end,
                                                 $start,'','',$context);
@@ -4819,7 +4959,7 @@ sub update_user_list {
                     } else {
                         if ($role eq 'st') {
                             $result = 
-                                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,undef,$end,$start,$type,$locktype,$cid,'',$context);
+                                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,undef,$end,$start,$type,$locktype,$cid,'',$context,$credits);
                         } else {
                             my $newscope = $scopestem;
                             $result = &Apache::lonnet::assignrole($udom,$uname,$newscope,$role,$end,$start,'','',$context);
@@ -4833,7 +4973,7 @@ sub update_user_list {
                     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,$cid,'',$context);
+                                $result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$newsec,$end,$start,$type,$locktype,$cid,'',$context,$credits);
                                 if (@newsecs > 1) {
                                     my $showsingle; 
                                     if ($newsec eq '') {
@@ -5125,14 +5265,18 @@ sub get_groupslist {
 }
 
 sub setsections_javascript {
-    my ($formname,$groupslist,$mode,$checkauth,$crstype) = @_;
+    my ($formname,$groupslist,$mode,$checkauth,$crstype,$showcredits) = @_;
     my ($checkincluded,$finish,$rolecode,$setsection_js);
     if ($mode eq 'upload') {
         $checkincluded = 'formname.name == "'.$formname.'"';
         $finish = "return 'ok';";
         $rolecode = "var role = formname.defaultrole.options[formname.defaultrole.selectedIndex].value;\n";
     } elsif ($formname eq 'cu') {
-        $checkincluded = 'formname.elements[i-1].checked == true';
+        if (($crstype eq 'Course') && ($showcredits)) {
+            $checkincluded = "((role == 'st') && (formname.elements[i-2].checked == true)) || ((role != 'st') && (formname.elements[i-1].checked == true))";
+        } else {
+            $checkincluded = 'formname.elements[i-1].checked == true';
+        }
         if ($checkauth) {
             $finish = "var authcheck = auth_check();\n".
                       "   if (authcheck == 'ok') {\n".
@@ -5191,8 +5335,8 @@ function setSections(formname,crstype) {
         var checkcurr = str.match(re1);
         if (checkcurr != null) {
             var num = i;
+            $rolecode
             if ($checkincluded) {
-                $rolecode
                 if (role == 'cc' || role == 'co') {
                     if (role == 'cc') {
                         alert("$alerts{'secd'}\\n$alerts{'accr'}");
@@ -5565,7 +5709,7 @@ sub get_course_identity {
 }
 
 sub dc_setcourse_js {
-    my ($formname,$mode,$context) = @_;
+    my ($formname,$mode,$context,$showcredits) = @_;
     my ($dc_setcourse_code,$authen_check);
     my $cctext = &Apache::lonnet::plaintext('cc');
     my $cotext = &Apache::lonnet::plaintext('co');
@@ -5651,7 +5795,7 @@ function setCourse() {
         }
 SCRIPTTOP
     if ($mode ne 'upload') {
-        $dc_setcourse_code .= (<<"ENDSCRIPT");
+        $dc_setcourse_code .= (<<"SCRIPTMID");
         var coursename = "_$env{'request.role.domain'}"+"_"+course+"_"+userrole
         var numcourse = getIndex(document.$formname.dccourse);
         if (numcourse == "-1") {
@@ -5677,6 +5821,16 @@ SCRIPTTOP
             if (numend != "-1") {
                 document.$formname.elements[numend].name = "end"+coursename
             }
+SCRIPTMID
+        if ($showcredits) {
+            $dc_setcourse_code .= <<ENDCRED;
+            var numcredits = getIndex(document.$formname.credits);
+            if (numcredits != "-1") {
+                document.$formname.elements[numcredits].name = "credits"+coursename;
+            }
+ENDCRED
+        }
+        $dc_setcourse_code .= <<ENDSCRIPT; 
         }
     }
     var authcheck = auth_check();