--- loncom/interface/Attic/londropadd.pm	2002/12/03 20:30:48	1.62
+++ loncom/interface/Attic/londropadd.pm	2003/07/14 15:25:59	1.74
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to drop and add students in courses 
 #
-# $Id: londropadd.pm,v 1.62 2002/12/03 20:30:48 matthew Exp $
+# $Id: londropadd.pm,v 1.74 2003/07/14 15:25:59 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -79,13 +79,16 @@ sub modifystudent {
             # We are in this course
             my $section=$1;
             $section='' if ($course eq $courseid.'_st');
-            if ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
+            if ($section eq $csec) {
+                $result .= 'ok:';
+            } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
                 my (undef,$end,$start)=split(/\_/,$roles{$course});
                 my $now=time;
                 # if this is an active role 
                 if (!($start && ($now<$start)) || !($end && ($now>$end))) {
                     my $reply=&Apache::lonnet::modifystudent
-                        ($udom,$unam,'','','','','','','',
+                        # dom  name  id mode pass     f     m     l     g
+                        ($udom,$unam,'',  '',  '',undef,undef,undef,undef,
                          $section,time,undef,undef,$desiredhost);
                     $result .= $reply.':';
                 }
@@ -213,8 +216,9 @@ sub javascript_validations {
     my %param = ( formname => 'studentform',
                   kerb_def_dom => $krbdefdom );
     my $authheader = &Apache::loncommon::authform_header(%param);
+    my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
     return (<<ENDPICK);
-function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
+function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
     var foundatype=0;
     var message='';
     if (founduname==0) {
@@ -250,64 +254,53 @@ function verify_message (vf,founduname,f
         }
     }
 
-    if (foundname==0) { message='No name fields specified. '; }
-    if (foundid==0) { message+='No ID or student number field specified. '; }
-    if (foundsec==0) { message+='No section or group field specified. '; }
-    if (vf.startdate.value=='') {
-	message+='No starting date set. ';
-    }
-    if (vf.enddate.value=='') {
-        message+='No ending date set. ';
-    }
-    if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
-       if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
-          alert('Ending date is before starting date');
-          return;
-       }
-    }
+    if (foundname==0) { message='name fields'; }
+    if (foundid==0) { if (message!='') { message+=', '; } message+='student number field'; }
+    if (foundsec==0) {  if (message!='') { message+=', '; } message+='section or group field'; }
+    if (foundemail==0) {  if (message!='') { message+=', '; } message+='email address field'; }
     if (message!='') {
-       message+='Continue enrollment?';
+       message='Not specified (optional): '+message+'.  Continue enrollment?';
        if (confirm(message)) {
-	  pclose();
           vf.state.value='enrolling';
 	  vf.submit();
        }
     } else {
-      pclose();
       vf.state.value='enrolling';
       vf.submit();
     }
 }
 
+$authheader
+ENDPICK
 
-    function pclose() {
-        parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
-                 "height=350,width=350,scrollbars=no,menubar=no");
-        parmwin.close();
-    }
-
-    function pjump(type,dis,value,marker,ret,call) {
-        parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
-                 +"&value="+escape(value)+"&marker="+escape(marker)
-                 +"&return="+escape(ret)
-                 +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
-                 "height=350,width=350,scrollbars=no,menubar=no");
+}
 
+sub javascript_validations_without_auth {
+    my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
+    return (<<ENDPICK);
+function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
+    var foundatype=0;
+    var message='';
+    if (founduname==0) {
+	alert('You need to specify the username field');
+        return;
     }
-
-    function dateset() {
-        if (document.studentform.pres_marker.value=='end') {
-           document.studentform.enddate.value=
-	       document.studentform.pres_value.value;
-        }
-        if (document.studentform.pres_marker.value=='start') {
-           document.studentform.startdate.value=
-	       document.studentform.pres_value.value;
-        }
-        pclose();
+    if (foundname==0) { message='name fields'; }
+    if (foundid==0) { if (message!='') { message+=', '; } message+='student number field'; }
+    if (foundsec==0) {  if (message!='') { message+=', '; } message+='section or group field'; }
+    if (foundemail==0) {  if (message!='') { message+=', '; } message+='email address field'; }
+    if (message!='') {
+       message='Not specified (optional): '+message+'.  Continue enrollment?';
+       if (confirm(message)) {
+          vf.state.value='enrolling';
+	  vf.submit();
+       }
+    } else {
+      vf.state.value='enrolling';
+      vf.submit();
     }
+}
 
-$authheader
 ENDPICK
 
 }
@@ -322,6 +315,7 @@ function verify(vf) {
     var foundname=0;
     var foundid=0;
     var foundsec=0;
+    var foundemail=0;
     var tw;
     for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
@@ -330,8 +324,9 @@ function verify(vf) {
         if (tw==7) { foundid=1; }
         if (tw==8) { foundsec=1; }
         if (tw==9) { foundpwd=1; }
+        if (tw==10) { foundemail=1; }
     }
-    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
+    verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
 }
 
 //
@@ -350,7 +345,8 @@ function verify(vf) {
 // 7 = id
 // 8 = section
 // 9 = ipwd  (password)
-//
+// 10 = email address
+
 function flip(vf,tf) {
    var nw=eval('vf.f'+tf+'.selectedIndex');
    var i;
@@ -461,11 +457,18 @@ ENDPICK
 ###############################################################
 sub print_upload_manager_footer {
     my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
-    my %param = ( formname => 'document.studentform');
+
+    my ($krbdef,$krbdefdom) =
+        &Apache::loncommon::get_kerberos_defaults($defdom);
+    my %param = ( formname => 'document.studentform',
+                  kerb_def_dom => $krbdefdom,
+                  kerb_def_auth => $krbdef
+                  );
     my $krbform = &Apache::loncommon::authform_kerberos(%param);
     my $intform = &Apache::loncommon::authform_internal(%param);
     my $locform = &Apache::loncommon::authform_local(%param);
     my $domform = &domain_form($defdom);
+    my $date_table = &date_setting_table();
     $r->print(<<ENDPICK);
 </table>
 <input type=hidden name=nfields value=$i>
@@ -484,18 +487,9 @@ $locform
 <h3>LON-CAPA Domain for Students</h3>
 LON-CAPA domain: $domform <p>
 <h3>Starting and Ending Dates</h3>
-<input type="hidden" value=''          name="pres_value"  >
-<input type="hidden" value=''          name="pres_type"   >
-<input type="hidden" value=''          name="pres_marker" >
-<input type="hidden" value='$today'    name="startdate"   >
-<input type="hidden" value='$halfyear' name="enddate"     >
-<a 
- href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
->Set Starting Date</a><p>
-
-<a 
- href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
->Set Ending Date</a><p>
+<p>
+$date_table
+</p>
 <h3>Full Update</h3>
 <input type=checkbox name=fullup value=yes> Full update 
 (also print list of users not enrolled anymore)<p>
@@ -522,12 +516,11 @@ sub print_upload_manager_form {
     my @records=&Apache::loncommon::upfile_record_sep();
     my $total=$#records;
     my $distotal=$total+1;
-    $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
-    my $krbdefdom=$1;
-    $krbdefdom=~tr/a-z/A-Z/;
     my $today=time;
     my $halfyear=$today+15552000;
     my $defdom=$r->dir_config('lonDefDomain');
+    my ($krbdef,$krbdefdom) =
+        &Apache::loncommon::get_kerberos_defaults($defdom);
     &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
     my $i;
     my $keyfields;
@@ -540,7 +533,8 @@ sub print_upload_manager_form {
                ['gen','Generation'],
 	       ['id','ID/Student Number'],
                ['sec','Group/Section'],
-	       ['ipwd','Initial Password']);
+	       ['ipwd','Initial Password'],
+               ['email','EMail Address']);
 	if ($ENV{'form.upfile_associate'} eq 'reverse') {	
 	    &Apache::loncommon::csv_print_samples($r,\@records);
 	    $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
@@ -559,6 +553,16 @@ sub print_upload_manager_form {
 # ======================================================= Enroll single student
 sub enroll_single_student {
     my $r=shift;
+    #
+    # We do the dates first because the action of making them the defaul
+    # in the course is entirely seperate from the action of enrolling the
+    # student.  Also, a failure in setting the dates as default is not fatal
+    # to the process of enrolling / modifying a student.
+    my ($startdate,$enddate) = &get_dates_from_form();
+    if ($ENV{'form.makedatesdefault'}) {
+        $r->print(&make_dates_default($startdate,$enddate));
+    }
+
     $r->print('<h3>Enrolling Student</h3>');
     $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
               $ENV{'form.lcdomain'}.'</p>');
@@ -605,8 +609,8 @@ sub enroll_single_student {
                  $ENV{'form.cstid'},$amode,$genpwd,
                  $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
                  $ENV{'form.clast'},$ENV{'form.cgen'},
-                 $ENV{'form.csec'},$ENV{'form.enddate'},
-                 $ENV{'form.startdate'},$ENV{'form.forceid'},
+                 $ENV{'form.csec'},$enddate,
+                 $startdate,$ENV{'form.forceid'},
                  $desiredhost);
             if ($login_result =~ /^ok/) {
                 $r->print($login_result);
@@ -625,28 +629,211 @@ sub enroll_single_student {
     }    
 }
 
-# ======================================================= Menu Phase Two Enroll
+sub setup_date_selectors {
+    my ($starttime,$endtime) = @_;
+    if (! defined($starttime)) {
+        $starttime = time;
+        if (exists($ENV{'course.'.$ENV{'request.course.id'}.
+                            '.default_enrollment_start_date'})) {
+            $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
+                                  '.default_enrollment_start_date'};
+        }
+    }
+    if (! defined($endtime)) {
+        $endtime = time+(6*30*24*60*60); # 6 months from now, approx
+        if (exists($ENV{'course.'.$ENV{'request.course.id'}.
+                            '.default_enrollment_end_date'})) {
+            $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
+                                '.default_enrollment_end_date'};
+        }
+    }
+    my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
+                                                            'startdate',
+                                                            $starttime);
+    my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
+                                                          'enddate',
+                                                          $endtime);
+    return ($startdateform,$enddateform);
+}
+
+sub get_dates_from_form {
+    my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
+    my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
+    if ($ENV{'form.no_end_date'}) {
+        $enddate = 0;
+    }
+    return ($startdate,$enddate);
+}
+
+sub date_setting_table {
+    my ($starttime,$endtime) = @_;
+    my ($startform,$endform)=&setup_date_selectors($starttime,$endtime);
+    my $dateDefault = '<nobr>'.
+        '<input type="checkbox" name="makedatesdefault" />'.
+        ' make these dates the default for future enrollment';
+    my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
+    if (defined($endtime) && $endtime == 0) {
+        $perpetual .= ' checked';
+    }
+    $perpetual.= ' />'.' no ending date</nobr>';
+    my $result = '';
+    $result .= "<table>\n";
+    $result .= '<tr><td align="right">Starting Date</td>'.
+        '<td>'.$startform.'</td>'.
+        '<td>'.$dateDefault.'</td>'."</tr>\n";
+    $result .= '<tr><td align="right">Ending Date</td>'.
+        '<td>'.$endform.'</td>'.
+        '<td>'.$perpetual.'</td>'."</tr>\n";
+    $result .= "</table>\n";
+    return $result;
+}
+
+sub make_dates_default {
+    my ($startdate,$enddate) = @_;
+    my $result = '';
+    my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
+    my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
+    my $put_result = &Apache::lonnet::put('environment',
+            {'default_enrollment_start_date'=>$startdate,
+             'default_enrollment_end_date'  =>$enddate},$dom,$crs);
+    if ($put_result eq 'ok') {
+        $result .= "Set default start and end dates for course<br />";
+        #
+        # Refresh the course environment
+        &Apache::lonnet::coursedescription($ENV{'request.course.id'});
+    } else {
+        $result .= "Unable to set default dates for course:".$put_result.
+            '<br />';
+    }
+    return $result;
+}
+
+##
+## Single student enrollment routines (some of them)
+##
+sub get_student_username_domain_form {
+    my $r = shift;
+    my $domform = &Apache::loncommon::select_dom_form
+        ($r->dir_config('lonDefDomain'),'cudomain',0);
+    $r->print(<<END);
+<input type="hidden" name="action" value="enrollstudent" />
+<input type="hidden" name="state"  value="gotusername" />
+<h3>Enroll One Student</h3>
+<table>
+<tr><th>Username:</th>
+    <td><input type="text" name="cuname"  size="15" /></td></tr>
+<tr><th>Domain:</th>
+    <td>$domform</td></tr>
+<tr><th>&nbsp;</th>
+    <td>
+    <input type="submit" name="Begin Enrollment" value="Begin Enrollment" />
+    </td></tr>
+</table>
+END
+    return;
+}
+
 sub print_enroll_single_student_form {
     my $r=shift;
     $r->print("<h3>Enroll One Student</h3>");
-    my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
-    $krbdefdom=~tr/a-z/A-Z/;
-    my $today    = time;
-    my $halfyear = $today+15552000;
-    my $defdom=$r->dir_config('lonDefDomain');
-    my $javascript_validations=&javascript_validations($krbdefdom);
-    # Set up authentication forms
-    my %param = ( formname => 'document.studentform');
-    my $krbform = &Apache::loncommon::authform_kerberos(%param);
-    my $intform = &Apache::loncommon::authform_internal(%param);
-    my $locform = &Apache::loncommon::authform_local(%param);
-    # Set up domain selection form
-    my $domform = &domain_form($defdom);
-    # Print it all out
+    #
+    my $username = $ENV{'form.cuname'};
+    my $domain   = $ENV{'form.cudomain'};
+    my $home = &Apache::lonnet::homeserver($username,$domain);
+    # $new_user flags whether we are creating a new user or using an old one
+    my $new_user = 1;
+    if ($home ne 'no_host') {
+        $new_user = 0;
+    }
+    &Apache::lonnet::logthis('home = '.$home);
+    #
+    my $user_data_html = '';
+    my $javascript_validations = '';
+    if ($new_user) {
+        my $defdom=$r->dir_config('lonDefDomain');
+        # Set up authentication forms
+        my ($krbdef,$krbdefdom) =
+            &Apache::loncommon::get_kerberos_defaults($defdom);
+        $javascript_validations=&javascript_validations($krbdefdom);
+        my %param = ( formname => 'document.studentform',
+                      kerb_def_dom => $krbdefdom,
+                      kerb_def_auth => $krbdef
+                      );
+        my $krbform = &Apache::loncommon::authform_kerberos(%param);
+        my $intform = &Apache::loncommon::authform_internal(%param);
+        my $locform = &Apache::loncommon::authform_local(%param);
+        #
+        # Set up domain selection form
+        my $homeserver_form = '';
+        my %servers = &Apache::loncommon::get_library_servers($domain);
+        $homeserver_form = '<select name="lcserver" size="1">'."\n".
+            '<option value="default" selected>default</option>'."\n";
+        while (my ($servername,$serverdescription) = each (%servers)) {
+            $homeserver_form .= '<option value="'.$servername.'">'.
+                $serverdescription."</option>\n";
+        }
+        $homeserver_form .= "</select>\n";
+        #
+        #
+        $user_data_html = <<END;
+<h3>User Data for $username\@$domain</h3>
+<table>
+<tr><th>First Name:</th>
+    <td><input type="text" name="cfirst"  size="15"></td></tr>
+<tr><th>Middle Name:</th>
+    <td><input type="text" name="cmiddle" size="15"></td></tr>
+<tr><th>Last Name:</th>
+    <td><input type="text" name="clast"   size="15"></td></tr>
+<tr><th>Generation:</th>
+    <td><input type="text" name="cgen"    size="5"> </td></tr>
+<tr><th>Home Server:</th>
+    <td>$homeserver_form</td></tr>
+</table>
+<h3>Password</h3>
+Please select an authentication mechanism
+<table>
+<p>
+$krbform
+</p><p>
+$intform
+</p><p>
+$locform
+</p>
+END
+    } else {
+        # User already exists.  Do not worry about authentication
+        my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
+        $javascript_validations = &javascript_validations_without_auth();
+        $user_data_html = <<END;
+<h3>User Data for $username\@$domain</h3>
+<input type="hidden" name="lcserver" value="default" />
+<table>
+<tr><th>First Name:</th>
+    <td>
+    <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
+    </td></tr>
+<tr><th>Middle Name:</th>
+    <td>
+    <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
+    </td></tr>
+<tr><th>Last Name:</th>
+    <td>
+    <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
+    </td></tr>
+<tr><th>Generation:</th>
+    <td>
+    <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
+    </td></tr>
+</table>
+END
+    }
+    my $date_table = &date_setting_table();
+        # Print it all out
     $r->print(<<END);
-<input type="hidden" name="action" value="enrollstudent">
-<input type="hidden" name="state"  value="done">
-
+<input type="hidden" name="action" value="enrollstudent" />
+<input type="hidden" name="state"  value="done" />
+<input type="hidden" name="cuname" value="$username" />
+<input type="hidden" name="lcdomain" value="$domain" />
 <script type="text/javascript" language="Javascript">
 function verify(vf) {
     var founduname=0;
@@ -683,44 +870,14 @@ function clearpwd(vf) {
 }
 
 </script>
-<h3>Personal Data</h3>
-<table>
-<tr><td>First Name:</td><td> <input type="text" name="cfirst"  size="15"></td></tr>
-<tr><td>Middle Name:</td><td> <input type="text" name="cmiddle" size="15"></td></tr>
-<tr><td>Last Name: </td><td><input type="text" name="clast"   size="15"></td></tr>
-<tr><td>Generation: </td><td><input type="text" name="cgen"    size="5"> </td></tr>
-</table>
 
-<h3>Login Data</h3>
-<p>Username: <input type="text" name="cuname"  size="15"></p>
-<p>Domain:   $domform</p>
-<p>Note: login settings below  will not take effect if the user already exists
-</p><p>
-$krbform
-</p><p>
-$intform
-</p><p>
-$locform
-</p><p>
+$user_data_html
 
 <h3>Course Data</h3>
 
 <p>Group/Section: <input type="text" name="csec" size="5" />
 <p>
-<!-- Date setting form elements -->
-<input type="hidden" name="pres_value"  value='' />
-<input type="hidden" name="pres_type"   value='' />
-<input type="hidden" name="pres_marker" value='' />
-<input type="hidden" name="startdate"   value='$today'    />
-<input type="hidden" name="enddate"     value='$halfyear' />
-</p><p>
-<a 
- href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
->Set Starting Date</a>
-</p><p>
-<a 
- href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
->Set Ending Date</a>
+$date_table
 </p>
 <h3>ID/Student Number</h3>
 <p>
@@ -984,12 +1141,7 @@ sub print_modify_student_form {
     # determine the students starting and ending times and section
     my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
     # Deal with date forms
-    my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
-                                                            'startdate',
-                                                            $starttime);
-    my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
-                                                          'enddate',
-                                                          $endtime);
+    my $date_table = &date_setting_table($starttime,$endtime);
     #
     if (! exists($ENV{'form.Status'}) || 
         $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
@@ -1029,12 +1181,8 @@ Disable ID/Student Number Safeguard and
 (only do if you know what you are doing)
 </p><p>
 <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
-</p><p>
-<table>
-<tr><td align="right"><b>Starting Date:</b></td><td>$startdateform</td></tr>
-<tr><td align="right"><b>Ending Date:</b></td><td>$enddateform</td></tr>
-</table>
 </p>
+<p>$date_table</p>
 <input type="submit" value="Submit Modifications" />
 </body></html>
 END
@@ -1046,6 +1194,12 @@ END
 #
 sub modify_single_student {
     my $r = shift;
+    #
+    # Do the date defaults first
+    my ($starttime,$endtime) = &get_dates_from_form();
+    if ($ENV{'form.makedatesdefault'}) {
+        $r->print(&make_dates_default($starttime,$endtime));
+    }
     # Get the 'sortby' and 'Status' variables so the user goes back to their
     # previous screen
     my $sortby = $ENV{'form.sortby'};
@@ -1078,15 +1232,12 @@ sub modify_single_student {
     my $section    = $ENV{'form.section'};
     my $courseid   = $ENV{'request.course.id'};
     my $sid        = $ENV{'form.id'};
-    my $starttime = &Apache::lonhtmlcommon::get_date_from_form('startdate',
-                                                               time);
-    my $endtime   = &Apache::lonhtmlcommon::get_date_from_form('enddate',
-                                                               time);
     my $displayable_starttime = localtime($starttime);
     my $displayable_endtime   = localtime($endtime);
     # 
     # check for forceid override
-    if (($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
+    if ((defined($old{'id'})) && ($old{'id'} ne '') && 
+        ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
         $r->print("<font color=\"ff0000\">You changed the students id ".
                   " but did not disable the ID change safeguard.".
                   "  The students id will not be changed.</font>");
@@ -1131,13 +1282,21 @@ sub modify_single_student {
 </table>
 <h3>Role Information</h3>
 <table>
-<tr><td>Start Time  </td><td> $displayable_starttime </td></tr>
-<tr><td>End Time    </td><td> $displayable_endtime   </td></tr>
+<tr><td align="right"><b>Start Time:</b></td><td> $displayable_starttime </td></tr>
+<tr><td align="right"><b>End Time:</b></td><td> $displayable_endtime   </td></tr>
 </table>
 <p>
 END
     #
-    # Send request(s) to modify data
+    # Send request(s) to modify data (final undef is for 'desiredhost',
+    # which is a moot point because the student already has an account.
+    my $modify_section_results = &modifystudent($sdom,$slogin,
+                                                $ENV{'request.course.id'},
+                                                $section,undef);
+    if ($modify_section_results !~ /^ok/) {
+        $r->print("An error occured during the attempt to change the ".
+                  "section for this student.<br />");
+    }
     my $roleresults = &Apache::lonnet::modifystudent
         ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
          $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
@@ -1183,7 +1342,6 @@ sub get_enrollment_data {
     my $section = '';
     my $count = scalar(keys(%roles));
     while (my ($course,$role) = each(%roles)) {
-        &Apache::lonnet::logthis('course = '.$course.' role = '.$role);
         if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
             #
             # Get active role
@@ -1387,10 +1545,10 @@ sub upfile_drop_add {
         }
     }
     #
-    my $startdate = $ENV{'form.startdate'};
-    my $enddate   = $ENV{'form.enddate'};
-    if ($startdate=~/\D/) { $startdate=''; }
-    if ($enddate=~/\D/)   { $enddate=''; }
+    my ($startdate,$enddate) = &get_dates_from_form();
+    if ($ENV{'form.makedatesdefault'}) {
+        $r->print(&make_dates_default($startdate,$enddate));
+    }
     # Determine domain and desired host (home server)
     my $domain=$ENV{'form.lcdomain'};
     my $desiredhost = $ENV{'form.lcserver'};
@@ -1426,7 +1584,7 @@ sub upfile_drop_add {
         #######################################
         ##         Enroll Students           ##
         #######################################
-        $r->print('<h3>Enrolling Students</h3>');
+        $r->print('<h3>Enrolling Students</h3>'."\n".'<p>');
         my $count=0;
         my $flushc=0;
         my %student=();
@@ -1455,9 +1613,9 @@ sub upfile_drop_add {
                     }
                 }
                 if ($entries{$fields{'username'}}=~/\W/) {
-                    $r->print('<p><b>Unacceptable username: '.
+                    $r->print('<br /><b>Unacceptable username: '.
                               $entries{$fields{'username'}}.' for user '.
-                              $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
+                              $fname.' '.$mname.' '.$lname.' '.$gen.'</b>');
                 } else {
                     # determine section number
                     my $sec='';
@@ -1475,6 +1633,14 @@ sub upfile_drop_add {
                         }
                         $id=~tr/A-Z/a-z/;
                     }
+                    # determine email address
+                    my $email='';
+                    if (defined($fields{'email'})) {
+                        if (defined($entries{$fields{'email'}})) {
+                            $email=$entries{$fields{'email'}};
+                            unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
+                        }
+                    }
                     # determine student password
                     my $password='';
                     if ($genpwd) { 
@@ -1497,11 +1663,12 @@ sub upfile_drop_add {
                         my $reply=&Apache::lonnet::modifystudent
                             ($domain,$username,$id,$amode,$password,
                              $fname,$mname,$lname,$gen,$sec,$enddate,
-                             $startdate,$ENV{'form.forceid'},$desiredhost);
+                             $startdate,$ENV{'form.forceid'},$desiredhost,
+                             $email);
                         if ($reply ne 'ok') {
-                            $r->print('<p><b>'.
-                                      'Error enrolling '.$username.': '.
-                                      $reply.'</b></p>');
+                            $reply =~ s/^error://;
+                            $r->print('<br /><b>'.$username.'</b>:'.
+                                      '  Unable to enroll: '.$reply);
          		} else {
                             $count++; $flushc++;
                             $student{$username}=1;
@@ -1512,12 +1679,13 @@ sub upfile_drop_add {
                             }
                         }
                     } else {
-                        $r->print("<p><b>No password for $username</b><p>");
+                        $r->print('<br /><b>'.$username.'</b>:'.
+                           '  Unable to enroll: No password specified.');
                     }
                 }
             }
         } # end of foreach (@studentdata)
-        $r->print('<p>Processed Students: '.$count.'</p>');
+        $r->print('</p><p>Processed Students: '.$count.'</p>');
         $r->print("<p>If active, the new role will be available when the ".
                   "students next log in to LON-CAPA.</p>");
         #####################################
@@ -1593,7 +1761,8 @@ The response to the request is governed
  upload           enrolling      enroll students based on upload
  drop             undefined      print the classlist ready to drop
  drop             done           drop the selected students
- enrollstudent    undefined      print single student enroll menu
+ enrollstudent    undefined      print student username domain form
+ enrollstudent    gotusername    print single student enroll menu
  enrollstudent    enrolling      enroll student
  classlist        undefined      print html classlist
  classlist        csv            print csv classlist
@@ -1661,11 +1830,13 @@ sub handler {
         }
     } elsif ($ENV{'form.action'} eq 'enrollstudent') {
         if (! exists($ENV{'form.state'})) {
+            &get_student_username_domain_form($r);
+        } elsif ($ENV{'form.state'} eq 'gotusername') {
             &print_enroll_single_student_form($r);
         } elsif ($ENV{'form.state'} eq 'enrolling') {
             &enroll_single_student($r);
         } else {
-            &print_enroll_single_student_form($r);
+            &get_student_username_domain_form($r);
         }
     } elsif ($ENV{'form.action'} eq 'classlist') {
         if (! exists($ENV{'form.state'})) {