Annotation of loncom/interface/londropadd.pm, revision 1.160

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Handler to drop and add students in courses 
                      3: #
1.160   ! albertel    4: # $Id: londropadd.pm,v 1.159 2007/04/17 18:28:44 www Exp $
1.17      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       www        28: #
1.50      matthew    29: ###############################################################
1.82      www        30: ##############################################################
1.1       www        31: 
                     32: package Apache::londropadd;
                     33: 
                     34: use strict;
1.127     albertel   35: use Apache::lonnet;
1.24      albertel   36: use Apache::loncommon();
1.50      matthew    37: use Apache::lonhtmlcommon();
1.1       www        38: use Apache::Constants qw(:common :http REDIRECT);
1.60      matthew    39: use Spreadsheet::WriteExcel;
1.110     matthew    40: use Apache::lonstathelpers();
1.86      www        41: use Apache::lonlocal;
1.143     raeburn    42: use Apache::longroup;
1.152     albertel   43: use LONCAPA();
1.1       www        44: 
1.50      matthew    45: ###############################################################
                     46: ###############################################################
1.10      www        47: sub header {
1.138     albertel   48:     my $start_page=&Apache::loncommon::start_page('Enrollment Manager');
1.27      matthew    49:     return(<<ENDHEAD);
1.138     albertel   50: $start_page
1.40      matthew    51: <form method="post" enctype="multipart/form-data"  
                     52:       action="/adm/dropadd" name="studentform">
1.1       www        53: ENDHEAD
1.10      www        54: }
                     55: 
1.50      matthew    56: ###############################################################
                     57: ###############################################################
                     58: # Drop student from all sections of a course, except optional $csec
1.26      matthew    59: sub modifystudent {
1.33      matthew    60:     my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
1.26      matthew    61:     # if $csec is undefined, drop the student from all the courses matching
                     62:     # this one.  If $csec is defined, drop them from all other sections of 
                     63:     # this course and add them to section $csec
1.151     albertel   64:     my $cdom = $env{'course.'.$courseid.'.domain'};
                     65:     my $cnum = $env{'course.'.$courseid.'.num'};
1.26      matthew    66:     my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
                     67:     my ($tmp) = keys(%roles);
                     68:     # Bail out if we were unable to get the students roles
1.35      matthew    69:     return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1.26      matthew    70:     # Go through the roles looking for enrollment in this course
1.35      matthew    71:     my $result = '';
1.26      matthew    72:     foreach my $course (keys(%roles)) {
1.150     albertel   73:         if ($course=~m{^/\Q$cdom\E/\Q$cnum\E(?:\/)*(?:\s+)*(\w+)*\_st$}) {
1.26      matthew    74:             # We are in this course
1.25      matthew    75:             my $section=$1;
1.150     albertel   76:             $section='' if ($course eq "/$cdom/$cnum".'_st');
1.87      matthew    77:             if (defined($csec) && $section eq $csec) {
1.71      matthew    78:                 $result .= 'ok:';
                     79:             } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
1.27      matthew    80:                 my (undef,$end,$start)=split(/\_/,$roles{$course});
1.25      matthew    81:                 my $now=time;
1.143     raeburn    82:                 # if this is an active role
1.27      matthew    83:                 if (!($start && ($now<$start)) || !($end && ($now>$end))) {
1.25      matthew    84:                     my $reply=&Apache::lonnet::modifystudent
1.70      matthew    85:                         # dom  name  id mode pass     f     m     l     g
                     86:                         ($udom,$unam,'',  '',  '',undef,undef,undef,undef,
1.33      matthew    87:                          $section,time,undef,undef,$desiredhost);
1.35      matthew    88:                     $result .= $reply.':';
1.25      matthew    89:                 }
1.10      www        90:             }
                     91:         }
1.20      harris41   92:     }
1.35      matthew    93:     if ($result eq '') {
1.62      matthew    94:         $result = 'Unable to find section for this student';
1.37      matthew    95:     } else {
                     96:         $result =~ s/(ok:)+/ok/g;
1.35      matthew    97:     }
                     98:     return $result;
1.10      www        99: }
                    100: 
1.50      matthew   101: ###############################################################
                    102: ###############################################################
                    103: # build a domain and server selection form
1.31      matthew   104: sub domain_form {
                    105:     my ($defdom) = @_;
                    106:     # Set up domain and server selection forms
                    107:     #
                    108:     # Get the domains
1.156     albertel  109:     my @domains = &Apache::lonnet::all_domains();
1.31      matthew   110:     # build up the menu information to be passed to 
                    111:     # &Apache::loncommon::linked_select_forms
                    112:     my %select_menus;
                    113:     foreach my $dom (@domains) {
                    114:         # set up the text for this domain
                    115:         $select_menus{$dom}->{'text'}= $dom;
                    116:         # we want a choice of 'default' as the default in the second menu
                    117:         $select_menus{$dom}->{'default'}= 'default';
                    118:         $select_menus{$dom}->{'select2'}->{'default'} = 'default';
                    119:         # Now build up the other items in the second menu
1.157     albertel  120:         my %servers = &Apache::lonnet::get_servers($dom,'library');
1.31      matthew   121:         foreach my $server (keys(%servers)) {
                    122:             $select_menus{$dom}->{'select2'}->{$server} 
                    123:                                             = "$server $servers{$server}";
                    124:         }
                    125:     }
                    126:     my $result  = &Apache::loncommon::linked_select_forms
                    127:         ('studentform',' with home server ',$defdom,
                    128:          'lcdomain','lcserver',\%select_menus);
                    129:     return $result;
                    130: }
                    131: 
1.50      matthew   132: ###############################################################
                    133: ###############################################################
                    134: #  Menu Phase One
                    135: sub print_main_menu {
1.132     raeburn   136:     my ($r,$enrl_permission,$view_permission,$grp_manage_permission,
                    137:         $grp_view_permission)=@_;
1.121     matthew   138:     #
1.150     albertel  139:     my $cid =$env{'request.course.id'};
                    140:     my $cdom=$env{'course.'.$cid.'.domain'};
                    141:     my $cnum=$env{'course.'.$cid.'.num'};
1.121     matthew   142:     my @menu = 
                    143:         ( 
1.122     matthew   144:           { text => 'Upload a class list', 
1.121     matthew   145:             help => 'Course_Create_Class_List',
                    146:             action => 'upload',
                    147:             permission => $enrl_permission,
                    148:             },
                    149:           { text => 'Enroll a single student', 
                    150:             help => 'Course_Add_Student',
                    151:             action => 'enrollstudent',
                    152:             permission => $enrl_permission,
                    153:             },
                    154:           { text => 'Modify student data', 
                    155:             help => 'Course_Modify_Student_Data',
                    156:             action => 'modifystudent',
                    157:             permission => $enrl_permission,
                    158:             },
                    159:           { text => 'View Class List', 
                    160:             help => 'Course_View_Class_List',
                    161:             action => 'classlist',
                    162:             permission => $view_permission,
                    163:             },
                    164:           { text => 'Drop Students', 
                    165:             help => 'Course_Drop_Student',
                    166:             action => 'drop',
                    167:             permission => $enrl_permission,
                    168:             },
                    169:           { text => 'Automated Enrollment Manager', 
                    170:             permission => &Apache::lonnet::auto_run($cnum,$cdom),
                    171:             url  => '/adm/populate',
                    172:             },
1.145     albertel  173:           { text => 'Create a new group',
                    174:             help => 'Course_Create_Group',
                    175:             permission => $grp_manage_permission,
                    176:             url => '/adm/coursegroups?refpage=enrl&action=create',
                    177:             },
                    178:           { text => 'Modify an existing group',
                    179:             help => 'Course_Modify_Group',
                    180:             permission => $grp_manage_permission,
                    181:             url => '/adm/coursegroups?refpage=enrl&action=modify',
                    182:             },
1.153     raeburn   183:           { text => 'Delete an existing group',
                    184:             help => 'Course_Delete_Group',
                    185:             permission => $grp_manage_permission,
                    186:             url => '/adm/coursegroups?refpage=enrl&action=delete',
                    187:             },
                    188:           { text => 'Re-enable a deleted group',
                    189:             help => 'Course_Reenable_Group',
                    190:             permission => $grp_manage_permission,
                    191:             url => '/adm/coursegroups?refpage=enrl&action=reenable',
                    192:             },
1.145     albertel  193:           { text => 'Enter an existing group',
                    194:             help => 'Course_Display_Group',
                    195:             permission => $grp_view_permission,
                    196:             url => '/adm/coursegroups?refpage=enrl&action=view',
                    197:             },
1.121     matthew   198:           );
                    199:     my $menu_html = '';
                    200:     foreach my $menu_item (@menu) {
                    201:         next if (! $menu_item->{'permission'});
                    202:         $menu_html.='<p>';
                    203:         $menu_html.='<font size="+1">';
                    204:         if (exists($menu_item->{'url'})) {
                    205:             $menu_html.=qq{<a href="$menu_item->{'url'}">};
                    206:         } else {
                    207:             $menu_html.=
                    208:                 qq{<a href="/adm/dropadd?action=$menu_item->{'action'}">};
                    209:         }
                    210:         $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
                    211:         if (exists($menu_item->{'help'})) {
                    212:             $menu_html.=
                    213:                 &Apache::loncommon::help_open_topic($menu_item->{'help'});
                    214:         }
                    215:         $menu_html.='</p>'.$/;
1.113     raeburn   216:     }
1.121     matthew   217:     $r->print($menu_html);
                    218:     return;
1.10      www       219: }
                    220: 
1.50      matthew   221: ###############################################################
                    222: ###############################################################
1.89      matthew   223: sub hidden_input {
                    224:     my ($name,$value) = @_;
                    225:     return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
                    226: }
                    227: 
1.50      matthew   228: sub print_upload_manager_header {
1.23      albertel  229:     my ($r,$datatoken,$distotal,$krbdefdom)=@_;
1.24      albertel  230:     my $javascript;
1.99      matthew   231:     #
1.127     albertel  232:     if (! exists($env{'form.upfile_associate'})) {
                    233:         $env{'form.upfile_associate'} = 'forward';
1.50      matthew   234:     }
1.127     albertel  235:     if ($env{'form.associate'} eq 'Reverse Association') {
                    236:         if ( $env{'form.upfile_associate'} ne 'reverse' ) {
                    237:             $env{'form.upfile_associate'} = 'reverse';
1.50      matthew   238:         } else {
1.127     albertel  239:             $env{'form.upfile_associate'} = 'forward';
1.50      matthew   240:         }
                    241:     }
1.127     albertel  242:     if ($env{'form.upfile_associate'} eq 'reverse') {
1.50      matthew   243: 	$javascript=&upload_manager_javascript_reverse_associate();
1.24      albertel  244:     } else {
1.50      matthew   245: 	$javascript=&upload_manager_javascript_forward_associate();
1.24      albertel  246:     }
1.99      matthew   247:     #
                    248:     # Deal with restored settings
                    249:     my $password_choice = '';
1.127     albertel  250:     if (exists($env{'form.ipwd_choice'}) &&
                    251:         $env{'form.ipwd_choice'} ne '') {
1.99      matthew   252:         # If a column was specified for password, assume it is for an
                    253:         # internal password.  This is a bug waiting to be filed (could be
                    254:         # local or krb auth instead of internal) but I do not have the 
                    255:         # time to mess around with this now.
                    256:         $password_choice = 'int';        
                    257:     }
                    258:     #
                    259:     my $javascript_validations=&javascript_validations('auth',$krbdefdom,
                    260:                                     $password_choice);
1.149     albertel  261:     my $checked=(($env{'form.noFirstLine'})?' checked="checked" ':'');
1.88      matthew   262:     $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
                    263:               "<hr>\n".
                    264:               '<h3>'.&mt('Identify fields')."</h3>\n");
                    265:     $r->print("<p>\n".
                    266:               &mt('Total number of records found in file: [_1].',$distotal).
                    267:               "\n".
                    268:               "</p><hr>\n");
1.94      sakharuk  269:     $r->print(&mt('Enter as many fields as you can. The system will inform you and bring you back to this page if the data selected is insufficient to enroll students in your class.')."<hr>\n");
1.89      matthew   270:     $r->print(&hidden_input('action','upload').
                    271:               &hidden_input('state','got_file').
                    272:               &hidden_input('associate','').
                    273:               &hidden_input('datatoken',$datatoken).
1.127     albertel  274:               &hidden_input('fileupload',$env{'form.fileupload'}).
                    275:               &hidden_input('upfiletype',$env{'form.upfiletype'}).
                    276:               &hidden_input('upfile_associate',$env{'form.upfile_associate'}));
1.89      matthew   277:     $r->print('<input type="button" value="Reverse Association" '.
                    278:               'name="'.&mt('Reverse Association').'" '.
                    279:               'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
1.148     banghart  280:     $r->print('<label><input type="checkbox" name="noFirstLine"'.$checked.'/>'.
1.131     albertel  281:               &mt('Ignore First Line').'</label>');
1.89      matthew   282:     $r->print("<hr />\n".
                    283:               '<script type="text/javascript" language="Javascript">'."\n".
                    284:               $javascript."\n".$javascript_validations.'</script>');
1.24      albertel  285: }
                    286: 
1.50      matthew   287: ###############################################################
                    288: ###############################################################
1.24      albertel  289: sub javascript_validations {
1.96      raeburn   290:     my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_;
1.89      matthew   291:     my $authheader;
                    292:     if ($mode eq 'auth') {
                    293:         my %param = ( formname => 'studentform',
1.99      matthew   294:                       kerb_def_dom => $krbdefdom,
                    295:                       curr_authtype => $curr_authtype);
1.89      matthew   296:         $authheader = &Apache::loncommon::authform_header(%param);
1.91      raeburn   297:     } elsif ($mode eq 'createcourse') {
                    298:         my %param = ( formname => 'ccrs',
1.99      matthew   299:                   kerb_def_dom => $krbdefdom,
                    300:                       curr_authtype => $curr_authtype );
1.91      raeburn   301:         $authheader = &Apache::loncommon::authform_header(%param);
1.96      raeburn   302:     } elsif ($mode eq 'modifycourse') {
                    303:         my %param = ( formname => 'cmod',
                    304:                   kerb_def_dom => $krbdefdom,
                    305:                   mode => 'modifycourse',
                    306:                   curr_authtype => $curr_authtype,
                    307:                   curr_autharg => $curr_authfield );
                    308:         $authheader = &Apache::loncommon::authform_header(%param);
1.89      matthew   309:     }
1.96      raeburn   310: 
1.91      raeburn   311:     
1.89      matthew   312:     my %alert = &Apache::lonlocal::texthash
                    313:         (username => 'You need to specify the username field.',
                    314:          authen   => 'You must choose an authentication type.',
                    315:          krb      => 'You need to specify the Kerberos domain.',
                    316:          ipass    => 'You need to specify the initial password.',
                    317:          name     => 'The optional name field was not specified.',
                    318:          snum     => 'The optional student number field was not specified.',
1.142     raeburn   319:          section  => 'The optional section field was not specified.', 
1.89      matthew   320:          email    => 'The optional email address field was not specified.',
                    321:          continue => 'Continue enrollment?',
                    322:          );
                    323:     
                    324: #    my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
                    325:     my $function_name =(<<END);
1.73      www       326: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
1.89      matthew   327: END
1.97      raeburn   328:     my $auth_checks;
1.96      raeburn   329:     if ($mode eq 'createcourse') {
                    330:         $auth_checks .= (<<END);
1.97      raeburn   331:     if (vf.autoadds[0].checked == true) {
1.96      raeburn   332:         if (current.radiovalue == null || current.radiovalue == 'nochange') {
                    333:             alert('$alert{'authen'}');
                    334:             return;
                    335:         }
                    336:     }
                    337: END
                    338:     } else {
1.91      raeburn   339:         $auth_checks .= (<<END);
1.97      raeburn   340:     var foundatype=0;
1.3       www       341:     if (founduname==0) {
1.89      matthew   342: 	alert('$alert{'username'}');
1.3       www       343:         return;
                    344:     }
1.61      matthew   345:     // alert('current.radiovalue = '+current.radiovalue);
1.119     albertel  346:     if (current.radiovalue == null || current.radiovalue == '' || current.radiovalue == 'nochange') {
1.28      matthew   347:         // They did not check any of the login radiobuttons.
1.89      matthew   348:         alert('$alert{'authen'}');
1.28      matthew   349:         return;
                    350:     }
1.96      raeburn   351: END
                    352:     }
1.97      raeburn   353:     if ($mode eq 'createcourse') {
                    354:         $auth_checks .= "
                    355:     if ( (vf.autoadds[0].checked == true) &&
                    356:          (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
                    357: ";
                    358:     } elsif ($mode eq 'modifycourse') {
                    359:         $auth_checks .= " 
                    360:     if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
                    361: ";
                    362:     }
1.96      raeburn   363:     if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
1.97      raeburn   364:         $auth_checks .= (<<END);
                    365:         var alertmsg = '';
                    366:         switch (current.radiovalue) {
                    367:             case 'krb':
                    368:                 alertmsg = '$alert{'krb'}';
                    369:                 break;
                    370:             default:
                    371:                 alertmsg = '';
1.96      raeburn   372:         }
1.97      raeburn   373:         if (alertmsg != '') {
                    374:             alert(alertmsg);
                    375:             return;
1.96      raeburn   376:         }
                    377:     }
                    378: END
                    379:     } else {
                    380:         $auth_checks .= (<<END);
1.28      matthew   381:     foundatype=1;
1.29      matthew   382:     if (current.argfield == null || current.argfield == '') {
1.28      matthew   383:         var alertmsg = '';
1.29      matthew   384:         switch (current.value) {
1.28      matthew   385:             case 'krb': 
1.89      matthew   386:                 alertmsg = '$alert{'krb'}';
1.28      matthew   387:                 break;
                    388:             case 'loc':
                    389:             case 'fsys':
1.89      matthew   390:                 alertmsg = '$alert{'ipass'}';
1.28      matthew   391:                 break;
                    392:             case 'fsys':
                    393:                 alertmsg = '';
                    394:                 break;
                    395:             default: 
                    396:                 alertmsg = '';
1.3       www       397:         }
1.28      matthew   398:         if (alertmsg != '') {
                    399:             alert(alertmsg);
1.3       www       400:             return;
                    401:         }
                    402:     }
1.89      matthew   403: END
1.96      raeburn   404:     }
1.142     raeburn   405:     my $section_checks;
1.91      raeburn   406:     my $optional_checks = '';
1.96      raeburn   407:     if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
1.91      raeburn   408:         $optional_checks = (<<END);
                    409:     vf.submit();
                    410: }
                    411: END
                    412:     } else {
1.142     raeburn   413:         $section_checks = &section_check_js();
1.91      raeburn   414:         $optional_checks = (<<END);
1.89      matthew   415:     var message='';
                    416:     if (foundname==0) { 
                    417:         message='$alert{'name'}';
1.24      albertel  418:     }
1.89      matthew   419:     if (foundid==0) { 
                    420:         if (message!='') { 
                    421:             message+='\\n'; 
                    422:         }
                    423:         message+='$alert{'snum'}';
                    424:     }
                    425:     if (foundsec==0) {
                    426:         if (message!='') {
                    427:             message+='\\n';
                    428:         } 
                    429:         message+='$alert{'section'}';
                    430:     }
                    431:     if (foundemail==0) {
                    432:         if (message!='') {
                    433:             message+='\\n';
                    434:         }
                    435:         message+='$alert{'email'}';
1.74      matthew   436:     }
                    437:     if (message!='') {
1.89      matthew   438:         message+= '\\n$alert{'continue'}';
                    439:         if (confirm(message)) {
                    440:             vf.state.value='enrolling';
                    441:             vf.submit();
                    442:         }
1.74      matthew   443:     } else {
1.89      matthew   444:         vf.state.value='enrolling';
                    445:         vf.submit();
1.74      matthew   446:     }
                    447: }
1.89      matthew   448: END
1.91      raeburn   449:     }
1.89      matthew   450:     my $result = $function_name;
1.96      raeburn   451:     if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse')  ) {
1.89      matthew   452:         $result .= $auth_checks;
                    453:     }
1.142     raeburn   454:     $result .= $optional_checks."\n".$section_checks;
1.96      raeburn   455:     if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse')  ) {
1.89      matthew   456:         $result .= $authheader;
                    457:     }
                    458:     return $result;
1.74      matthew   459: }
                    460: 
1.50      matthew   461: ###############################################################
                    462: ###############################################################
                    463: sub upload_manager_javascript_forward_associate {
1.24      albertel  464:     return(<<ENDPICK);
1.142     raeburn   465: function verify(vf,sec_caller) {
1.24      albertel  466:     var founduname=0;
                    467:     var foundpwd=0;
                    468:     var foundname=0;
                    469:     var foundid=0;
                    470:     var foundsec=0;
1.73      www       471:     var foundemail=0;
1.24      albertel  472:     var tw;
                    473:     for (i=0;i<=vf.nfields.value;i++) {
                    474:         tw=eval('vf.f'+i+'.selectedIndex');
                    475:         if (tw==1) { founduname=1; }
                    476:         if ((tw>=2) && (tw<=6)) { foundname=1; }
                    477:         if (tw==7) { foundid=1; }
                    478:         if (tw==8) { foundsec=1; }
                    479:         if (tw==9) { foundpwd=1; }
1.73      www       480:         if (tw==10) { foundemail=1; }
1.24      albertel  481:     }
1.73      www       482:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
1.24      albertel  483: }
                    484: 
1.49      matthew   485: //
                    486: // vf = this.form
                    487: // tf = column number
                    488: //
                    489: // values of nw
                    490: //
                    491: // 0 = none
                    492: // 1 = username
                    493: // 2 = names (lastname, firstnames)
                    494: // 3 = fname (firstname)
                    495: // 4 = mname (middlename)
                    496: // 5 = lname (lastname)
                    497: // 6 = gen   (generation)
                    498: // 7 = id
                    499: // 8 = section
                    500: // 9 = ipwd  (password)
1.73      www       501: // 10 = email address
                    502: 
1.24      albertel  503: function flip(vf,tf) {
                    504:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    505:    var i;
1.49      matthew   506:    // make sure no other columns are labeled the same as this one
1.24      albertel  507:    for (i=0;i<=vf.nfields.value;i++) {
                    508:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                    509:           eval('vf.f'+i+'.selectedIndex=0;')
                    510:       }
                    511:    }
1.49      matthew   512:    // If we set this to 'lastname, firstnames', clear out all the ones
                    513:    // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
1.24      albertel  514:    if (nw==2) {
                    515:       for (i=0;i<=vf.nfields.value;i++) {
                    516:          if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
                    517:              (eval('vf.f'+i+'.selectedIndex')<=6)) {
                    518:              eval('vf.f'+i+'.selectedIndex=0;')
                    519:          }
                    520:       }
                    521:    }
1.49      matthew   522:    // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
                    523:    // clear out any that are set to 'lastname, firstnames' (2)
1.24      albertel  524:    if ((nw>=3) && (nw<=6)) {
                    525:       for (i=0;i<=vf.nfields.value;i++) {
                    526:          if (eval('vf.f'+i+'.selectedIndex')==2) {
                    527:              eval('vf.f'+i+'.selectedIndex=0;')
                    528:          }
                    529:       }
                    530:    }
1.49      matthew   531:    // If we set the password, make the password form below correspond to 
                    532:    // the new value.
1.24      albertel  533:    if (nw==9) {
1.28      matthew   534:        changed_radio('int',document.studentform);
                    535:        set_auth_radio_buttons('int',document.studentform);
                    536:        vf.intarg.value='';
                    537:        vf.krbarg.value='';
1.24      albertel  538:        vf.locarg.value='';
                    539:    }
                    540: }
                    541: 
                    542: function clearpwd(vf) {
                    543:     var i;
                    544:     for (i=0;i<=vf.nfields.value;i++) {
                    545:         if (eval('vf.f'+i+'.selectedIndex')==9) {
                    546:             eval('vf.f'+i+'.selectedIndex=0;')
                    547:         }
                    548:     }
                    549: }
                    550: 
                    551: ENDPICK
                    552: }
                    553: 
1.50      matthew   554: ###############################################################
                    555: ###############################################################
                    556: sub upload_manager_javascript_reverse_associate {
1.24      albertel  557:     return(<<ENDPICK);
1.142     raeburn   558: function verify(vf,sec_caller) {
1.24      albertel  559:     var founduname=0;
                    560:     var foundpwd=0;
                    561:     var foundname=0;
                    562:     var foundid=0;
                    563:     var foundsec=0;
                    564:     var tw;
                    565:     for (i=0;i<=vf.nfields.value;i++) {
                    566:         tw=eval('vf.f'+i+'.selectedIndex');
                    567:         if (i==0 && tw!=0) { founduname=1; }
                    568:         if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
                    569:         if (i==6 && tw!=0) { foundid=1; }
                    570:         if (i==7 && tw!=0) { foundsec=1; }
                    571:         if (i==8 && tw!=0) { foundpwd=1; }
                    572:     }
                    573:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
                    574: }
                    575: 
                    576: function flip(vf,tf) {
                    577:    var nw=eval('vf.f'+tf+'.selectedIndex');
                    578:    var i;
                    579:    // picked the all one one name field, reset the other name ones to blank
                    580:    if (tf==1 && nw!=0) {
                    581:       for (i=2;i<=5;i++) {
                    582:          eval('vf.f'+i+'.selectedIndex=0;')
                    583:       }
                    584:    }
                    585:    //picked one of the piecewise name fields, reset the all in
                    586:    //one field to blank
                    587:    if ((tf>=2) && (tf<=5) && (nw!=0)) {
                    588:       eval('vf.f1.selectedIndex=0;')
                    589:    }
                    590:    // intial password specified, pick internal authentication
                    591:    if (tf==8 && nw!=0) {
1.28      matthew   592:        changed_radio('int',document.studentform);
                    593:        set_auth_radio_buttons('int',document.studentform);
                    594:        vf.krbarg.value='';
                    595:        vf.intarg.value='';
1.24      albertel  596:        vf.locarg.value='';
                    597:    }
                    598: }
                    599: 
                    600: function clearpwd(vf) {
                    601:     var i;
                    602:     if (eval('vf.f8.selectedIndex')!=0) {
                    603:         eval('vf.f8.selectedIndex=0;')
                    604:     }
                    605: }
1.2       www       606: ENDPICK
1.23      albertel  607: }
1.10      www       608: 
1.50      matthew   609: ###############################################################
                    610: ###############################################################
                    611: sub print_upload_manager_footer {
1.23      albertel  612:     my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
1.64      albertel  613: 
                    614:     my ($krbdef,$krbdefdom) =
                    615:         &Apache::loncommon::get_kerberos_defaults($defdom);
                    616:     my %param = ( formname => 'document.studentform',
                    617:                   kerb_def_dom => $krbdefdom,
                    618:                   kerb_def_auth => $krbdef
                    619:                   );
1.127     albertel  620:     if (exists($env{'form.ipwd_choice'}) &&
                    621:         defined($env{'form.ipwd_choice'}) &&
                    622:         $env{'form.ipwd_choice'} ne '') {
1.99      matthew   623:         $param{'curr_authtype'} = 'int';
                    624:     }
1.28      matthew   625:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    626:     my $intform = &Apache::loncommon::authform_internal(%param);
                    627:     my $locform = &Apache::loncommon::authform_local(%param);
1.31      matthew   628:     my $domform = &domain_form($defdom);
1.68      matthew   629:     my $date_table = &date_setting_table();
1.90      matthew   630:     my $Str = "</table>\n";
                    631:     $Str .= &hidden_input('nfields',$i);
                    632:     $Str .= &hidden_input('keyfields',$keyfields);
                    633:     $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
                    634:     $Str .= "<p>\n".
                    635:         &mt('Note: this will not take effect if the user already exists').
1.130     www       636: 	&Apache::loncommon::help_open_topic('Auth_Options').
1.90      matthew   637:         "</p><p>\n";
                    638:     $Str .= $krbform."\n</p><p>\n".
                    639:         $intform."\n</p><p>\n".
                    640:         $locform."\n</p>\n";
                    641:     $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
                    642:     $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
                    643:     $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
                    644:     $Str .= "<p>\n".$date_table."</p>\n";
                    645:     $Str .= "<h3>".&mt('Full Update')."</h3>\n";
1.131     albertel  646:     $Str .= '<label><input type="checkbox" name="fullup" value="yes">'.
1.90      matthew   647:         ' '.&mt('Full update (also print list of users not enrolled anymore)').
1.131     albertel  648:         "</label></p>\n";
1.90      matthew   649:     $Str .= "<h3>".&mt('Student Number')."</h3>\n";
1.131     albertel  650:     $Str .= "<p>\n".'<label><input type="checkbox" name="forceid" value="yes">';
1.90      matthew   651:     $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
                    652:                 'of Conflicting IDs (only do if you know what you are doing)').
1.131     albertel  653:                 "</label>\n</p><p>\n";
1.142     raeburn   654:     $Str .= '<input type="button"'. 
                    655:               'onClick="javascript:verify(this.form,this.form.csec)" '.
1.95      albertel  656:         'value="Update Class List" />'."<br />\n";
1.90      matthew   657:     $Str .= &mt('Note: for large courses, this operation may be time '.
                    658:                 'consuming');
                    659:     $r->print($Str);
                    660:     return;
1.23      albertel  661: }
1.24      albertel  662: 
1.90      matthew   663: ###############################################################
                    664: ###############################################################
1.50      matthew   665: sub print_upload_manager_form {
1.23      albertel  666:     my $r=shift;
1.99      matthew   667: 
1.82      www       668:     my $firstLine;
1.24      albertel  669:     my $datatoken;
1.127     albertel  670:     if (!$env{'form.datatoken'}) {
1.90      matthew   671:         $datatoken=&Apache::loncommon::upfile_store($r);
1.24      albertel  672:     } else {
1.127     albertel  673:         $datatoken=$env{'form.datatoken'};
1.90      matthew   674:         &Apache::loncommon::load_tmp_file($r);
1.24      albertel  675:     }
                    676:     my @records=&Apache::loncommon::upfile_record_sep();
1.127     albertel  677:     if($env{'form.noFirstLine'}){
1.90      matthew   678:         $firstLine=shift(@records);
                    679:     }
1.23      albertel  680:     my $total=$#records;
                    681:     my $distotal=$total+1;
                    682:     my $today=time;
                    683:     my $halfyear=$today+15552000;
1.99      matthew   684:     #
                    685:     # Restore memorized settings
                    686:     &Apache::loncommon::restore_course_settings
                    687:         ('enrollment_upload',{ 'username_choice' => 'scalar', # column settings
                    688:                                'names_choice' => 'scalar',
                    689:                                'fname_choice' => 'scalar',
                    690:                                'mname_choice' => 'scalar',
                    691:                                'lname_choice' => 'scalar',
                    692:                                'gen_choice' => 'scalar',
                    693:                                'id_choice' => 'scalar',
                    694:                                'sec_choice' => 'scalar',
                    695:                                'ipwd_choice' => 'scalar',
                    696:                                'email_choice' => 'scalar',
                    697:                            });
                    698:     #
                    699:     # Determine kerberos parameters as appropriate
1.127     albertel  700:     my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.64      albertel  701:     my ($krbdef,$krbdefdom) =
                    702:         &Apache::loncommon::get_kerberos_defaults($defdom);
1.99      matthew   703:     #
1.50      matthew   704:     &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
1.24      albertel  705:     my $i;
                    706:     my $keyfields;
1.23      albertel  707:     if ($total>=0) {
1.99      matthew   708:         my @field=
1.127     albertel  709:             (['username',&mt('Username'),     $env{'form.username_choice'}],
                    710:              ['names',&mt('Last Name, First Names'),$env{'form.names_choice'}],
                    711:              ['fname',&mt('First Name'),      $env{'form.fname_choice'}],
                    712:              ['mname',&mt('Middle Names/Initials'),$env{'form.mname_choice'}],
                    713:              ['lname',&mt('Last Name'),       $env{'form.lname_choice'}],
                    714:              ['gen',  &mt('Generation'),      $env{'form.gen_choice'}],
                    715:              ['id',   &mt('ID/Student Number'),$env{'form.id_choice'}],
1.142     raeburn   716:              ['sec',  &mt('Section'),          $env{'form.sec_choice'}],
1.127     albertel  717:              ['ipwd', &mt('Initial Password'),$env{'form.ipwd_choice'}],
                    718:              ['email',&mt('EMail Address'),   $env{'form.email_choice'}]);
                    719: 	if ($env{'form.upfile_associate'} eq 'reverse') {	
1.24      albertel  720: 	    &Apache::loncommon::csv_print_samples($r,\@records);
1.90      matthew   721: 	    $i=&Apache::loncommon::csv_print_select_table($r,\@records,
                    722:                                                           \@field);
                    723: 	    foreach (@field) { 
                    724:                 $keyfields.=$_->[0].','; 
                    725:             }
1.24      albertel  726: 	    chop($keyfields);
                    727: 	} else {
1.90      matthew   728: 	    unshift(@field,['none','']);
                    729: 	    $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
                    730:                                                             \@field);
1.24      albertel  731: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
                    732: 	    $keyfields=join(',',sort(keys(%sone)));
1.23      albertel  733: 	}
                    734:     }
1.50      matthew   735:     &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
1.10      www       736: }
                    737: 
1.90      matthew   738: ###############################################################
                    739: ###############################################################
1.12      www       740: sub enroll_single_student {
                    741:     my $r=shift;
1.80      matthew   742:     # Remove non alphanumeric values from section
1.127     albertel  743:     $env{'form.csec'}=~s/\W//g;
1.68      matthew   744:     #
                    745:     # We do the dates first because the action of making them the defaul
1.107     www       746:     # in the course is entirely separate from the action of enrolling the
1.68      matthew   747:     # student.  Also, a failure in setting the dates as default is not fatal
                    748:     # to the process of enrolling / modifying a student.
                    749:     my ($startdate,$enddate) = &get_dates_from_form();
1.127     albertel  750:     if ($env{'form.makedatesdefault'}) {
1.68      matthew   751:         $r->print(&make_dates_default($startdate,$enddate));
                    752:     }
                    753: 
1.94      sakharuk  754:     $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
1.127     albertel  755:     $r->print('<p>'.&mt('Enrolling').' '.$env{'form.cuname'}." \@ ".
                    756:               $env{'form.lcdomain'}.'</p>');
1.150     albertel  757:     if (($env{'form.cuname'})
                    758: 	&& ($env{'form.cuname'} 
                    759: 	    eq &LONCAPA::clean_username($env{'form.cuname'}))
                    760: 	&& ($env{'form.lcdomain'})
                    761: 	&& ($env{'form.lcdomain'}
                    762: 	    eq &LONCAPA::clean_domain($env{'form.lcdomain'}))) {
1.31      matthew   763:         # Deal with home server selection
1.127     albertel  764:         my $domain=$env{'form.lcdomain'};
                    765:         my $desiredhost = $env{'form.lcserver'};
1.31      matthew   766:         if (lc($desiredhost) eq 'default') {
                    767:             $desiredhost = undef;
                    768:         } else {
1.157     albertel  769:             my %home_servers =&Apache::lonnet::get_servers($domain,'library');
1.31      matthew   770:             if (! exists($home_servers{$desiredhost})) {
1.94      sakharuk  771:                 $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
                    772:                           &mt('Invalid home server specified'));
1.31      matthew   773:                 return;
                    774:             }
                    775:         }
1.94      sakharuk  776:         $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
1.31      matthew   777:         # End of home server selection logic
1.12      www       778: 	my $amode='';
                    779:         my $genpwd='';
1.127     albertel  780:         if ($env{'form.login'} eq 'krb') {
1.47      albertel  781:            $amode='krb';
1.127     albertel  782: 	   $amode.=$env{'form.krbver'};
                    783:            $genpwd=$env{'form.krbarg'};
                    784:         } elsif ($env{'form.login'} eq 'int') {
1.26      matthew   785:            $amode='internal';
1.127     albertel  786:            $genpwd=$env{'form.intarg'};
                    787:         }  elsif ($env{'form.login'} eq 'loc') {
1.15      albertel  788: 	    $amode='localauth';
1.127     albertel  789: 	    $genpwd=$env{'form.locarg'};
1.15      albertel  790: 	    if (!$genpwd) { $genpwd=" "; }
                    791: 	}
1.127     albertel  792:         my $home = &Apache::lonnet::homeserver($env{'form.cuname'},
                    793:                                                    $env{'form.lcdomain'});
1.34      matthew   794:         if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
1.55      matthew   795:             # Clean out any old roles the student has in this class.
1.127     albertel  796:             &modifystudent($env{'form.lcdomain'},$env{'form.cuname'},
                    797:                            $env{'request.course.id'},$env{'form.csec'},
1.33      matthew   798:                             $desiredhost);
1.55      matthew   799:             my $login_result = &Apache::lonnet::modifystudent
1.127     albertel  800:                 ($env{'form.lcdomain'},$env{'form.cuname'},
                    801:                  $env{'form.cstid'},$amode,$genpwd,
                    802:                  $env{'form.cfirst'},$env{'form.cmiddle'},
                    803:                  $env{'form.clast'},$env{'form.cgen'},
                    804:                  $env{'form.csec'},$enddate,
                    805:                  $startdate,$env{'form.forceid'},
                    806:                  $desiredhost,$env{'form.emailaddress'});
1.55      matthew   807:             if ($login_result =~ /^ok/) {
                    808:                 $r->print($login_result);
1.94      sakharuk  809:                 $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
1.55      matthew   810:             } else {
1.94      sakharuk  811:                 $r->print(&mt('unable to enroll').": ".$login_result);
1.55      matthew   812:             }
1.12      www       813: 	} else {
1.94      sakharuk  814:             $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font>&nbsp;');
1.79      matthew   815:             if ($amode =~ /^krb/) {
1.94      sakharuk  816:                 $r->print(&mt('Missing Kerberos domain information.').'  ');
1.79      matthew   817:             } else {
1.94      sakharuk  818:                 $r->print(&mt('Invalid login mode or password.').'  ');
1.79      matthew   819:             }
1.127     albertel  820:             $r->print('<b>'.&mt('Unable to enroll').' '.$env{'form.cuname'}.'.</b></p>');
1.79      matthew   821:         }
1.12      www       822:     } else {
1.94      sakharuk  823:         $r->print(&mt('Invalid username or domain'));
1.26      matthew   824:     }    
1.155     www       825:     $r->print("<p><a href='/adm/dropadd?action=enrollstudent'>".&mt("Enroll another student")."</a></p>");
1.12      www       826: }
                    827: 
1.68      matthew   828: sub setup_date_selectors {
1.91      raeburn   829:     my ($starttime,$endtime,$mode) = @_;
1.68      matthew   830:     if (! defined($starttime)) {
                    831:         $starttime = time;
1.114     raeburn   832:         unless ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
1.127     albertel  833:             if (exists($env{'course.'.$env{'request.course.id'}.
1.68      matthew   834:                             '.default_enrollment_start_date'})) {
1.127     albertel  835:                 $starttime = $env{'course.'.$env{'request.course.id'}.
1.68      matthew   836:                                   '.default_enrollment_start_date'};
1.91      raeburn   837:             }
1.68      matthew   838:         }
                    839:     }
                    840:     if (! defined($endtime)) {
                    841:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
1.91      raeburn   842:         unless ($mode eq 'createcourse') {
1.127     albertel  843:             if (exists($env{'course.'.$env{'request.course.id'}.
1.68      matthew   844:                             '.default_enrollment_end_date'})) {
1.127     albertel  845:                 $endtime = $env{'course.'.$env{'request.course.id'}.
1.68      matthew   846:                                 '.default_enrollment_end_date'};
1.91      raeburn   847:             }
1.68      matthew   848:         }
                    849:     }
                    850:     my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    851:                                                             'startdate',
                    852:                                                             $starttime);
                    853:     my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
                    854:                                                           'enddate',
                    855:                                                           $endtime);
1.114     raeburn   856:     if ($mode eq 'create_enrolldates') {
                    857:         $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
                    858:                                                             'startenroll',
                    859:                                                             $starttime);
                    860:         $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
                    861:                                                           'endenroll',
                    862:                                                           $endtime);
                    863:     }
                    864:     if ($mode eq 'create_defaultdates') {
1.91      raeburn   865:         $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
1.114     raeburn   866:                                                             'startaccess',
1.91      raeburn   867:                                                             $starttime);
                    868:         $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
1.114     raeburn   869:                                                           'endaccess',
1.91      raeburn   870:                                                           $endtime);
                    871:     }
1.68      matthew   872:     return ($startdateform,$enddateform);
                    873: }
                    874: 
                    875: sub get_dates_from_form {
                    876:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
                    877:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
1.127     albertel  878:     if ($env{'form.no_end_date'}) {
1.68      matthew   879:         $enddate = 0;
                    880:     }
                    881:     return ($startdate,$enddate);
                    882: }
                    883: 
                    884: sub date_setting_table {
1.91      raeburn   885:     my ($starttime,$endtime,$mode) = @_;
                    886:     my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
1.68      matthew   887:     my $dateDefault = '<nobr>'.
1.131     albertel  888:         '<label><input type="checkbox" name="makedatesdefault" /> '.
1.160   ! albertel  889:         &mt('make these dates the default for future enrollment').
        !           890: 	'</label></nobr>';
1.114     raeburn   891:     if ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
1.91      raeburn   892:         $dateDefault = '&nbsp;';
                    893:     }
1.131     albertel  894:     my $perpetual = '<nobr><label><input type="checkbox" name="no_end_date"';
1.68      matthew   895:     if (defined($endtime) && $endtime == 0) {
                    896:         $perpetual .= ' checked';
                    897:     }
1.131     albertel  898:     $perpetual.= ' /> '.&mt('no ending date').'</label></nobr>';
1.114     raeburn   899:     if ($mode eq 'create_enrolldates') {
                    900:         $perpetual = '&nbsp;';
                    901:     }
1.68      matthew   902:     my $result = '';
                    903:     $result .= "<table>\n";
1.94      sakharuk  904:     $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
1.68      matthew   905:         '<td>'.$startform.'</td>'.
                    906:         '<td>'.$dateDefault.'</td>'."</tr>\n";
1.94      sakharuk  907:     $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
1.68      matthew   908:         '<td>'.$endform.'</td>'.
                    909:         '<td>'.$perpetual.'</td>'."</tr>\n";
                    910:     $result .= "</table>\n";
                    911:     return $result;
                    912: }
                    913: 
                    914: sub make_dates_default {
                    915:     my ($startdate,$enddate) = @_;
                    916:     my $result = '';
1.127     albertel  917:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                    918:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
1.68      matthew   919:     my $put_result = &Apache::lonnet::put('environment',
                    920:             {'default_enrollment_start_date'=>$startdate,
                    921:              'default_enrollment_end_date'  =>$enddate},$dom,$crs);
                    922:     if ($put_result eq 'ok') {
                    923:         $result .= "Set default start and end dates for course<br />";
1.69      matthew   924:         #
                    925:         # Refresh the course environment
1.140     albertel  926:         &Apache::lonnet::coursedescription($env{'request.course.id'},
                    927: 					   {'freshen_cache' => 1});
1.68      matthew   928:     } else {
1.94      sakharuk  929:         $result .= &mt('Unable to set default dates for course').":".$put_result.
1.68      matthew   930:             '<br />';
                    931:     }
                    932:     return $result;
                    933: }
                    934: 
1.74      matthew   935: ##
                    936: ## Single student enrollment routines (some of them)
                    937: ##
                    938: sub get_student_username_domain_form {
                    939:     my $r = shift;
                    940:     my $domform = &Apache::loncommon::select_dom_form
1.127     albertel  941:         ($env{'course.'.$env{'request.course.id'}.'.domain'},'cudomain',0);
1.94      sakharuk  942:     my %lt=&Apache::lonlocal::texthash(
                    943: 		    'eos'  => "Enroll One Student",
                    944: 		    'usr'  => "Username",
                    945:                     'dom'  => "Domain",
                    946:                     'been' => "Begin Enrollment",
                    947: 				       );
1.74      matthew   948:     $r->print(<<END);
                    949: <input type="hidden" name="action" value="enrollstudent" />
                    950: <input type="hidden" name="state"  value="gotusername" />
1.94      sakharuk  951: <h3>$lt{'eos'}</h3>
1.74      matthew   952: <table>
1.159     www       953: <tr><td class="LC_dropadd_labeltext"><label for="cuname">$lt{'usr'}</label>:</td>
1.74      matthew   954:     <td><input type="text" name="cuname"  size="15" /></td></tr>
1.159     www       955: <tr><td class="LC_dropadd_labeltext"><label for="cudomain">$lt{'dom'}</label>:</td>
1.74      matthew   956:     <td>$domform</td></tr>
1.159     www       957: <tr><td>&nbsp;</td>
1.74      matthew   958:     <td>
1.94      sakharuk  959:     <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
1.74      matthew   960:     </td></tr>
                    961: </table>
1.120     albertel  962: <script type="text/javascript">
                    963: // the if prevents the script error if the browser can not handle this
                    964: if ( document.studentform.cuname ) { document.studentform.cuname.focus(); }
                    965: </script>
1.74      matthew   966: END
                    967:     return;
                    968: }
                    969: 
1.50      matthew   970: sub print_enroll_single_student_form {
1.10      www       971:     my $r=shift;
1.94      sakharuk  972:     $r->print("<h3>".&mt('Enroll One Student')."</h3>");
1.74      matthew   973:     #
1.150     albertel  974:     my $username = &LONCAPA::clean_username($env{'form.cuname'});
                    975:     my $domain   = &LONCAPA::clean_domain($env{'form.cudomain'});
1.74      matthew   976:     my $home = &Apache::lonnet::homeserver($username,$domain);
                    977:     # $new_user flags whether we are creating a new user or using an old one
                    978:     my $new_user = 1;
                    979:     if ($home ne 'no_host') {
                    980:         $new_user = 0;
                    981:     }
                    982:     #
                    983:     my $user_data_html = '';
                    984:     my $javascript_validations = '';
                    985:     if ($new_user) {
1.127     albertel  986:         my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.74      matthew   987:         # Set up authentication forms
                    988:         my ($krbdef,$krbdefdom) =
1.75      matthew   989:             &Apache::loncommon::get_kerberos_defaults($domain);
1.89      matthew   990:         $javascript_validations=&javascript_validations('auth',$krbdefdom);
1.74      matthew   991:         my %param = ( formname => 'document.studentform',
                    992:                       kerb_def_dom => $krbdefdom,
                    993:                       kerb_def_auth => $krbdef
                    994:                       );
                    995:         my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    996:         my $intform = &Apache::loncommon::authform_internal(%param);
                    997:         my $locform = &Apache::loncommon::authform_local(%param);
                    998:         #
                    999:         # Set up domain selection form
                   1000:         my $homeserver_form = '';
1.157     albertel 1001:         my %servers = &Apache::lonnet::get_servers($domain,'library');
1.74      matthew  1002:         $homeserver_form = '<select name="lcserver" size="1">'."\n".
                   1003:             '<option value="default" selected>default</option>'."\n";
                   1004:         while (my ($servername,$serverdescription) = each (%servers)) {
                   1005:             $homeserver_form .= '<option value="'.$servername.'">'.
                   1006:                 $serverdescription."</option>\n";
                   1007:         }
                   1008:         $homeserver_form .= "</select>\n";
                   1009:         #
                   1010:         #
1.94      sakharuk 1011: 	my %lt=&Apache::lonlocal::texthash(
                   1012: 		       'udf'  => "User Data for",
                   1013:                        'fn'   => "First Name",
                   1014:                        'mn'   => "Middle Name",
                   1015:                        'ln'   => "Last Name",
                   1016:                        'gen'  => "Generation",
                   1017:                        'hs'   => "Home Server",
                   1018:                        'pswd' => "Password",
                   1019: 		       'psam' => "Please select an authentication mechanism",
1.124     www      1020:                        'mail' => "Email Address"
1.94      sakharuk 1021: 					   );
1.130     www      1022: 	my $authhelp=&Apache::loncommon::help_open_topic('Auth_Options');
1.74      matthew  1023:         $user_data_html = <<END;
1.160   ! albertel 1024: <h3>$lt{'udf'} $username:$domain</h3>
1.74      matthew  1025: <table>
1.159     www      1026: <tr><td class="LC_dropadd_labeltext"><label for="cfirst">$lt{'fn'}</label>:</td>
1.160   ! albertel 1027:     <td><input type="text" name="cfirst"  size="15" /></td></tr>
1.159     www      1028: <tr><td class="LC_dropadd_labeltext"><label for="cmiddle">$lt{'mn'}</label>:</td>
1.160   ! albertel 1029:     <td><input type="text" name="cmiddle" size="15" /></td></tr>
1.159     www      1030: <tr><td class="LC_dropadd_labeltext"><label for="clast">$lt{'ln'}</label>:</td>
1.160   ! albertel 1031:     <td><input type="text" name="clast"   size="15" /></td></tr>
1.159     www      1032: <tr><td class="LC_dropadd_labeltext"><label for="cgen">$lt{'gen'}</label>:</td>
1.160   ! albertel 1033:     <td><input type="text" name="cgen"    size="5"  /> </td></tr>
1.159     www      1034: <tr><td class="LC_dropadd_labeltext"><label for="lcserver">$lt{'hs'}</label>:</td>
1.74      matthew  1035:     <td>$homeserver_form</td></tr>
1.159     www      1036: <tr><td class="LC_dropadd_labeltext"><label for="emailaddress">$lt{'mail'}</label>:</td>
1.124     www      1037:     <td><input type="text" name="emailaddress" size="20" /></td></tr>
1.74      matthew  1038: </table>
1.94      sakharuk 1039: <h3>$lt{'pswd'}</h3>
1.130     www      1040: $lt{'psam'}$authhelp
1.74      matthew  1041: <table>
                   1042: <p>
                   1043: $krbform
1.75      matthew  1044: <br />
1.74      matthew  1045: $intform
1.75      matthew  1046: <br />
1.74      matthew  1047: $locform
                   1048: </p>
                   1049: END
                   1050:     } else {
                   1051:         # User already exists.  Do not worry about authentication
                   1052:         my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
1.89      matthew  1053:         $javascript_validations = &javascript_validations('noauth');
1.94      sakharuk 1054: 	my %lt=&Apache::lonlocal::texthash(
                   1055: 		       'udf'  => "User Data for",
                   1056:                        'fn'   => "First Name",
                   1057:                        'mn'   => "Middle Name",
                   1058:                        'ln'   => "Last Name",
                   1059:                        'gen'  => "Generation",
1.124     www      1060:                        'mail' => "Email Address",
1.94      sakharuk 1061: 					   );
1.74      matthew  1062:         $user_data_html = <<END;
1.160   ! albertel 1063: <h3>$lt{'udf'} $username:$domain</h3>
1.74      matthew  1064: <input type="hidden" name="lcserver" value="default" />
                   1065: <table>
1.159     www      1066: <tr><td class="LC_dropadd_labeltext"><label for="cfirst">$lt{'fn'}</label>:</td>
1.160   ! albertel 1067:     <td><input type="text" name="cfirst"  size="15" /></td></tr>
1.159     www      1068: <tr><td class="LC_dropadd_labeltext"><label for="cmiddle">$lt{'mn'}</label>:</td>
1.160   ! albertel 1069:     <td><input type="text" name="cmiddle" size="15" /></td></tr>
1.159     www      1070: <tr><td class="LC_dropadd_labeltext"><label for="clast">$lt{'ln'}</label>:</td>
1.160   ! albertel 1071:     <td><input type="text" name="clast"   size="15" /></td></tr>
        !          1072: <tr><td class="LC_dropadd_labeltext"><label for="cgen">$lt{'gen'}</label>:</td>
        !          1073:     <td><input type="text" name="cgen"    size="5"  /> </td></tr>
        !          1074: <tr><td class="LC_dropadd_labeltext"><label for="emailaddress">$lt{'mail'}</label>:</td>
        !          1075:     <td><input type="text" name="emailaddress" size="20" /></td></tr>
1.74      matthew  1076: </table>
                   1077: END
                   1078:     }
1.68      matthew  1079:     my $date_table = &date_setting_table();
1.74      matthew  1080:         # Print it all out
1.94      sakharuk 1081:     my %lt=&Apache::lonlocal::texthash(
                   1082: 		   'cd'   => "Course Data",
1.142     raeburn  1083:                    'gs'   => "Section",
1.94      sakharuk 1084:                    'idsn' => "ID/Student Number",
                   1085:                    'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
                   1086:                    'eas'  => "Enroll as student",
                   1087: 				       );
1.50      matthew  1088:     $r->print(<<END);
1.74      matthew  1089: <input type="hidden" name="action" value="enrollstudent" />
                   1090: <input type="hidden" name="state"  value="done" />
                   1091: <input type="hidden" name="cuname" value="$username" />
                   1092: <input type="hidden" name="lcdomain" value="$domain" />
1.28      matthew  1093: <script type="text/javascript" language="Javascript">
1.142     raeburn  1094: function verify(vf,sec_caller) {
1.12      www      1095:     var founduname=0;
                   1096:     var foundpwd=0;
                   1097:     var foundname=0;
                   1098:     var foundid=0;
                   1099:     var foundsec=0;
                   1100:     var tw;
1.26      matthew  1101:     if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') && 
1.31      matthew  1102: 	(typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1.12      www      1103:         founduname=1;
                   1104:     }
1.14      harris41 1105:     if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1.26      matthew  1106: 	(typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1.12      www      1107:         foundname=1;
                   1108:     }
1.14      harris41 1109:     if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1.12      www      1110:         foundsec=1;
1.142     raeburn  1111:         if (validate(sec_caller) == "error") {
                   1112:             return;
                   1113:         }
1.12      www      1114:     }
1.14      harris41 1115:     if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1.12      www      1116: 	foundid=1;
                   1117:     }
                   1118:     if (founduname==0) {
                   1119: 	alert('You need to specify at least the username and domain fields');
                   1120:         return;
                   1121:     }
1.24      albertel 1122:     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1.12      www      1123: }
                   1124: 
1.24      albertel 1125: $javascript_validations
1.12      www      1126: 
1.24      albertel 1127: function clearpwd(vf) {
                   1128:     //nothing else needs clearing
1.15      albertel 1129: }
                   1130: 
1.12      www      1131: </script>
1.11      www      1132: 
1.74      matthew  1133: $user_data_html
1.50      matthew  1134: 
1.94      sakharuk 1135: <h3>$lt{'cd'}</h3>
1.50      matthew  1136: 
1.159     www      1137: <p><label for="csec">$lt{'gs'}</label>: <input type="text" name="csec" size="5" />
1.160   ! albertel 1138: </p>
1.68      matthew  1139: $date_table
1.94      sakharuk 1140: <h3>$lt{'idsn'}</h3>
1.50      matthew  1141: <p>
1.160   ! albertel 1142: <label for="cstid">$lt{'idsn'}</label>: <input type="text" name="cstid" size="10" />
1.26      matthew  1143: </p><p>
1.131     albertel 1144: <label>
1.160   ! albertel 1145: <input type="checkbox" name="forceid" value="yes" /> 
1.94      sakharuk 1146: $lt{'disn'}
1.131     albertel 1147: </label>
1.50      matthew  1148: </p><p>
1.160   ! albertel 1149: <input type="button" onClick="verify(this.form,this.form.csec)" value="$lt{'eas'}" />
1.26      matthew  1150: </p>
1.50      matthew  1151: END
                   1152:     return;
1.10      www      1153: }
                   1154: 
                   1155: # ========================================================= Menu Phase Two Drop
1.51      matthew  1156: sub print_drop_menu {
1.10      www      1157:     my $r=shift;
1.92      sakharuk 1158:     $r->print("<h3>".&mt('Drop Students')."</h3>");
1.127     albertel 1159:     my $cid=$env{'request.course.id'};
1.56      matthew  1160:     my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
                   1161:     if (! defined($classlist)) {
1.94      sakharuk 1162:         $r->print(&mt('There are no students currently enrolled.')."\n");
1.51      matthew  1163:         return;
1.25      matthew  1164:     }
1.51      matthew  1165:     # Print out the available choices
1.56      matthew  1166:     &show_drop_list($r,$classlist,$keylist);
1.51      matthew  1167:     return;
1.11      www      1168: }
                   1169: 
1.40      matthew  1170: # ============================================== view classlist
1.50      matthew  1171: sub print_html_classlist {
1.103     matthew  1172:     my ($r,$mode) = @_;
1.127     albertel 1173:     if (! exists($env{'form.sortby'})) {
                   1174:         $env{'form.sortby'} = 'username';
1.57      matthew  1175:     }
1.147     albertel 1176:     if ($env{'form.Status'} !~ /^(Any|Expired|Active|Future)$/) {
1.127     albertel 1177:         $env{'form.Status'} = 'Active';
1.57      matthew  1178:     }
                   1179:     my $status_select = &Apache::lonhtmlcommon::StatusOptions
1.127     albertel 1180:         ($env{'form.Status'});
1.150     albertel 1181:     my $cid =$env{'request.course.id'};
1.127     albertel 1182:     my $cdom=$env{'course.'.$cid.'.domain'};
                   1183:     my $cnum=$env{'course.'.$cid.'.num'};
1.103     matthew  1184:     #
                   1185:     # List course personnel
1.100     www      1186:     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1.110     matthew  1187:     #
1.127     albertel 1188:     if (! defined($env{'form.output'}) ||
                   1189:         $env{'form.output'} !~ /^(csv|excel|html)$/ ) {
                   1190:         $env{'form.output'} = 'html';
1.110     matthew  1191:     }
                   1192:     #
1.139     albertel 1193:     $r->print('<br />'.&Apache::loncommon::start_data_table());
1.110     matthew  1194:     foreach my $role (sort keys %coursepersonnel) {
                   1195:         next if ($role =~ /^\s*$/);
1.139     albertel 1196: 	$r->print(&Apache::loncommon::start_data_table_row().
                   1197: 		  '<td>'.$role.'</td><td>');
1.110     matthew  1198:         foreach my $user (split(',',$coursepersonnel{$role})) {
                   1199: 	    my ($puname,$pudom)=split(':',$user);
1.100     www      1200: 	    $r->print(' '.&Apache::loncommon::aboutmewrapper(
1.110     matthew  1201:                                     &Apache::loncommon::plainname($puname,
                   1202:                                                                   $pudom),
                   1203:                                                              $puname,$pudom));
1.100     www      1204: 	}
1.139     albertel 1205:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1.100     www      1206:     }
1.139     albertel 1207:     $r->print(&Apache::loncommon::end_data_table());
1.103     matthew  1208:     #
                   1209:     # Interface output
                   1210:     $r->print('<input type="hidden" name="action" value="'.
1.127     albertel 1211:               $env{'form.action'}.'" />');
1.103     matthew  1212:     $r->print("<p>\n");
1.127     albertel 1213:     if ($env{'form.action'} ne 'modifystudent') {
1.103     matthew  1214: 	my %lt=&Apache::lonlocal::texthash('csv' => "CSV",
                   1215:                                            'excel' => "Excel",
                   1216:                                            'html'  => 'HTML');
1.110     matthew  1217:         my $output_selector = '<select size="1" name="output" >';
1.103     matthew  1218:         foreach my $outputformat ('html','csv','excel') {
                   1219:             my $option = '<option value="'.$outputformat.'" ';
1.127     albertel 1220:             if ($outputformat eq $env{'form.output'}) {
1.104     matthew  1221:                 $option .= 'selected ';
1.103     matthew  1222:             }
                   1223:             $option .='>'.$lt{$outputformat}.'</option>';
                   1224:             $output_selector .= "\n".$option;
                   1225:         }
                   1226:         $output_selector .= '</select>';
1.159     www      1227:         $r->print('<label>'.&mt('Output Format: [_1]',$output_selector).'</label>'.('&nbsp;'x3));
1.59      matthew  1228:     }
1.159     www      1229:     $r->print('<label>'.&mt('Student Status: [_1]',$status_select)."</label>\n");
1.105     matthew  1230:     $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
                   1231:               "\n</p>\n");
1.103     matthew  1232:     #
                   1233:     # Print the classlist
                   1234:     $r->print('<h2>'.&mt('Current Class List').'</h2>');
1.56      matthew  1235:     my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   1236:     if (! defined($classlist)) {
1.94      sakharuk 1237:         $r->print(&mt('There are no students currently enrolled.')."\n");
1.40      matthew  1238:     } else {
                   1239:         # Print out the available choices
1.127     albertel 1240:         if ($env{'form.action'} eq 'modifystudent') {
1.110     matthew  1241:             &show_class_list($r,'view','modify',
1.127     albertel 1242:                              $env{'form.Status'},$classlist,$keylist);
1.110     matthew  1243:         } else {
1.127     albertel 1244:             &show_class_list($r,$env{'form.output'},'aboutme',
                   1245:                              $env{'form.Status'},$classlist,$keylist);
1.50      matthew  1246:         }
1.41      matthew  1247:     }
                   1248: }
                   1249: 
1.40      matthew  1250: # =================================================== Show student list to drop
                   1251: sub show_class_list {
1.110     matthew  1252:     my ($r,$mode,$linkto,$statusmode,$classlist,$keylist)=@_;
1.127     albertel 1253:     my $cid=$env{'request.course.id'};
1.142     raeburn  1254:     my $cdom = $env{'course.'.$cid.'.domain'};
                   1255:     my $cnum = $env{'course.'.$cid.'.num'};
                   1256:     my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
                   1257:                                               $classlist,$keylist,$cdom,$cnum);
1.60      matthew  1258:     #
                   1259:     # Variables for excel output
1.104     matthew  1260:     my ($excel_workbook, $excel_sheet, $excel_filename,$row,$format);
1.60      matthew  1261:     #
1.103     matthew  1262:     # Variables for csv output
                   1263:     my ($CSVfile,$CSVfilename);
                   1264:     #
1.127     albertel 1265:     my $sortby = $env{'form.sortby'};
1.142     raeburn  1266:     if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end|type)$/) {
1.53      matthew  1267:         $sortby = 'username';
                   1268:     }
1.134     raeburn  1269:     if (! exists($env{'form.displayphotos'})) {
                   1270:         $env{'form.displayphotos'} = 'off';
                   1271:     }
                   1272:     my $displayphotos = $env{'form.displayphotos'};
                   1273: 
1.42      matthew  1274:     # Print out header 
1.114     raeburn  1275:     unless ($mode eq 'autoenroll') {
                   1276:         $r->print(<<END);
1.127     albertel 1277: <input type="hidden" name="state" value="$env{'form.state'}" />
1.114     raeburn  1278: END
                   1279:     }
1.103     matthew  1280:     $r->print(<<END);
                   1281: <input type="hidden" name="sortby" value="$sortby" />
1.134     raeburn  1282: <input type="hidden" name="displayphotos" value="$displayphotos" />
1.103     matthew  1283: END
1.114     raeburn  1284:     if ($mode eq 'html' || $mode eq 'view' || $mode eq 'autoenroll') {
1.50      matthew  1285:         if ($linkto eq 'aboutme') {
1.142     raeburn  1286:             $r->print(&mt("Select a user name to view the user's personal page."));
1.50      matthew  1287:         } elsif ($linkto eq 'modify') {
1.142     raeburn  1288:             $r->print(&mt("Select a user name to modify the student's information"));
1.50      matthew  1289:         }
1.94      sakharuk 1290: 	my %lt=&Apache::lonlocal::texthash(
1.110     matthew  1291:                                            'usrn'   => "username",
                   1292:                                            'dom'    => "domain",
                   1293:                                            'sn'     => "student name",
                   1294:                                            'sec'    => "section",
1.142     raeburn  1295:                                            'grp'    => "active groups",
1.110     matthew  1296:                                            'start'  => "start date",
                   1297:                                            'end'    => "end date",
1.134     raeburn  1298:                                            'type'   => "enroll type/action",
                   1299:                                            'photo'  => "photo",
1.94      sakharuk 1300: 					   );
1.114     raeburn  1301:         unless ($mode eq 'autoenroll') {
                   1302:             $r->print(<<END);
1.59      matthew  1303: <input type="hidden" name="sname"  value="" />
                   1304: <input type="hidden" name="sdom"   value="" />
1.114     raeburn  1305: END
                   1306:         }
1.136     raeburn  1307:         if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1.134     raeburn  1308:             $r->print('
                   1309: <script type="text/javascript">
                   1310: function photowindow(photolink) {
                   1311:     var title = "Photo_Viewer";
                   1312:     var options = "scrollbars=1,resizable=1,menubar=0";
                   1313:     options += ",width=240,height=240";
                   1314:     stdeditbrowser = open(photolink,title,options,"1");
                   1315:     stdeditbrowser.focus();
                   1316: }
                   1317: </script>
                   1318:            ');
                   1319:         }
1.115     raeburn  1320:         $r->print("
1.40      matthew  1321: <p>
1.139     albertel 1322: ".&Apache::loncommon::start_data_table()."
1.115     raeburn  1323: <tr>
                   1324:         ");
                   1325:         if ($mode eq 'autoenroll') {
                   1326:             $r->print("
                   1327:  <th><a href=\"javascript:document.studentform.sortby.value='type';document.studentform.submit();\">$lt{'type'}</a></th>
                   1328:             ");
                   1329:         } else {
                   1330:             $r->print("
                   1331: <th>Count</th>
                   1332:             ");
                   1333:         }
                   1334:         $r->print(<<END);
                   1335:     <th>
1.94      sakharuk 1336:        <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1.53      matthew  1337:     </th><th>
1.94      sakharuk 1338:        <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1.53      matthew  1339:     </th><th>
1.57      matthew  1340:        <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1.53      matthew  1341:     </th><th>
1.94      sakharuk 1342:        <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1.53      matthew  1343:     </th><th>
1.94      sakharuk 1344:        <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1.110     matthew  1345:     </th><th>
                   1346:        <a href="javascript:document.studentform.sortby.value='start';document.studentform.submit();">$lt{'start'}</a>
                   1347:     </th><th>
                   1348:        <a href="javascript:document.studentform.sortby.value='end';document.studentform.submit();">$lt{'end'}</a>
1.142     raeburn  1349:     </th><th>
                   1350:        <a href="javascript:document.studentform.sortby.value='groups';document.studentform.submit();">$lt{'grp'}</a>
1.53      matthew  1351:     </th>
1.40      matthew  1352: END
1.136     raeburn  1353:         if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1.135     albertel 1354:             my %photo_options = &Apache::lonlocal::texthash(
1.134     raeburn  1355:                                                             'on' => 'Show',
                   1356:                                                             'off' => 'Hide',
                   1357:                                                             );
                   1358:             my $photochg = 'on';
                   1359:             if ($displayphotos eq 'on') {
                   1360:                 $photochg = 'off';
                   1361:             }
                   1362:             $r->print('    <th>'."\n".'     '. 
                   1363:             '<a href="javascript:document.studentform.displayphotos.value='.
                   1364:                       "'".$photochg."'".';document.studentform.submit();">'.
                   1365:                       $photo_options{$photochg}.'</a>&nbsp;'.$lt{'photo'}."\n".
                   1366:                       '    </th>'."\n");
                   1367:         }
                   1368:         $r->print("  </tr>\n");
1.41      matthew  1369:     } elsif ($mode eq 'csv') {
1.103     matthew  1370: 	#
                   1371: 	# Open a file
                   1372: 	$CSVfilename = '/prtspool/'.
1.127     albertel 1373: 	    $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1.103     matthew  1374:             time.'_'.rand(1000000000).'.csv';
                   1375: 	unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
                   1376: 	    $r->log_error("Couldn't open $CSVfilename for output $!");
                   1377: 	    $r->print("Problems occured in writing the csv file.  ".
                   1378: 		      "This error has been logged.  ".
                   1379: 		      "Please alert your LON-CAPA administrator.");
                   1380: 	    $CSVfile = undef;
                   1381: 	}
                   1382: 	#
                   1383: 	# Write headers and data to file
1.58      matthew  1384:         if($statusmode eq 'Expired') {
1.103     matthew  1385:             print $CSVfile '"'.&mt('Students with expired roles').'"'."\n";
1.58      matthew  1386:         }
1.147     albertel 1387:         if($statusmode eq 'Future') {
                   1388:             print $CSVfile '"'.&mt('Students with future roles').'"'."\n";
                   1389:         }
1.58      matthew  1390:         if ($statusmode eq 'Any') {
1.103     matthew  1391:             print $CSVfile '"'.join('","',map {
                   1392: 		&Apache::loncommon::csv_translate(&mt($_))
                   1393:                 } ("username","domain","ID","student name",
1.142     raeburn  1394:                    "section","start date","end date","status","active groups"))
                   1395:                   .'"'."\n";
1.58      matthew  1396:         } else {
1.103     matthew  1397:             print $CSVfile '"'.join('","',map {
                   1398: 		&Apache::loncommon::csv_translate(&mt($_))
                   1399:                 } ("username","domain","ID","student name",
1.142     raeburn  1400:                    "section","start date","end date","active groups")).'"'."\n";
1.58      matthew  1401:         }
1.60      matthew  1402:     } elsif ($mode eq 'excel') {
                   1403:         # Create the excel spreadsheet
1.126     matthew  1404:         ($excel_workbook,$excel_filename,$format) = 
                   1405:             &Apache::loncommon::create_workbook($r);
                   1406:         return if (! defined($excel_workbook));
1.60      matthew  1407:         $excel_sheet = $excel_workbook->addworksheet('classlist');
                   1408:         #
1.76      albertel 1409:         my $description = 'Class List for '.
1.127     albertel 1410:             $env{'course.'.$env{'request.course.id'}.'.description'};
1.104     matthew  1411:         $excel_sheet->write($row++,0,$description,$format->{'h1'});
1.60      matthew  1412:         #
                   1413:         $excel_sheet->write($row++,0,["username","domain","ID",
1.110     matthew  1414:                                       "student name","section",
1.142     raeburn  1415:                                       "start date","end date","status",
                   1416:                                       "active groups"],
1.110     matthew  1417:                             $format->{'bold'});
1.41      matthew  1418:     }
1.56      matthew  1419:     #
                   1420:     # Sort the students
                   1421:     my %index;
                   1422:     my $i;
                   1423:     foreach (@$keylist) {
                   1424:         $index{$_} = $i++;
                   1425:     }
1.142     raeburn  1426:     $index{'groups'} = scalar(@{$keylist});
1.56      matthew  1427:     my $index  = $index{$sortby};
                   1428:     my $second = $index{'username'};
                   1429:     my $third  = $index{'domain'};
1.53      matthew  1430:     my @Sorted_Students = sort {
1.56      matthew  1431:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   1432:             ||
                   1433:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   1434:             ||
                   1435:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   1436:         } (keys(%$classlist));
1.108     matthew  1437:     my $studentcount = 0;
1.115     raeburn  1438:     my $autocount = 0;
                   1439:     my $manualcount = 0;
                   1440:     my $unlockcount = 0;
                   1441:     my $lockcount = 0;
1.53      matthew  1442:     foreach my $student (@Sorted_Students) {
1.110     matthew  1443:         my $sdata = $classlist->{$student};
1.142     raeburn  1444:         my $groups = $classgroups->{$student};
1.110     matthew  1445:         my $username = $sdata->[$index{'username'}];
                   1446:         my $domain   = $sdata->[$index{'domain'}];
                   1447:         my $section  = $sdata->[$index{'section'}];
1.142     raeburn  1448:         my $active_groups;
                   1449:         if (ref($groups->{active}) eq 'HASH') {
                   1450:             $active_groups = join(', ',keys(%{$groups->{'active'}}));
                   1451:         }
1.110     matthew  1452:         my $name     = $sdata->[$index{'fullname'}];
                   1453:         my $id       = $sdata->[$index{'id'}];
                   1454:         my $status   = $sdata->[$index{'status'}];
                   1455:         my $start    = $sdata->[$index{'start'}];
                   1456:         my $end      = $sdata->[$index{'end'}];
1.115     raeburn  1457:         my $type     = $sdata->[$index{'type'}];
1.57      matthew  1458:         next if (($statusmode ne 'Any') && ($status ne $statusmode));
1.114     raeburn  1459:         if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
                   1460:             if (! defined($start) || $start == 0) {
                   1461:                 $start = &mt('none');
                   1462:             } else {
                   1463:                 $start = &Apache::lonlocal::locallocaltime($start);
                   1464:             }
                   1465:             if (! defined($end) || $end == 0) {
                   1466:                 $end = &mt('none');
                   1467:             } else {
                   1468:                 $end = &Apache::lonlocal::locallocaltime($end);
                   1469:             }
1.139     albertel 1470: 	    $r->print(&Apache::loncommon::start_data_table_row());
1.115     raeburn  1471:             if ($mode eq 'autoenroll') {
                   1472:                 my $lockedtype = $sdata->[$index{'lockedtype'}];
                   1473:                 $studentcount++;
                   1474:                 my $cellentry;
                   1475:                 if ($type eq 'auto') {
1.131     albertel 1476:                     $cellentry = '<b>'.&mt('auto').'</b>&nbsp;<label><input type="checkbox" name="chgauto" value="'.$username.':'.$domain.'" />&nbsp;Change</label>';
1.115     raeburn  1477:                     $autocount ++;
                   1478:                 } else {
1.131     albertel 1479:                     $cellentry = '<table border="0" cellspacing="0"><tr><td rowspan="2"><b>'.&mt('manual').'</b></td><td><nobr><label><input type="checkbox" name="chgmanual" value="'.$username.':'.$domain.'" />&nbsp;Change</label></nobr></td></tr><tr><td><nobr>';
1.115     raeburn  1480:                     $manualcount ++;
                   1481:                     if ($lockedtype) {
1.131     albertel 1482:                         $cellentry .= '<label><input type="checkbox" name="unlockchg" value="'.$username.':'.$domain.'" />&nbsp;'.&mt('Unlock').'</label>';
1.115     raeburn  1483:                         $unlockcount ++;
                   1484:                     } else {
1.131     albertel 1485:                         $cellentry .= '<label><input type="checkbox" name="lockchg" value="'.$username.':'.$domain.'" />&nbsp;'.&mt('Lock').'</label>';
1.115     raeburn  1486:                         $lockcount ++;
                   1487:                     }
1.118     raeburn  1488:                     $cellentry .= '</nobr></td></tr></table>';
1.115     raeburn  1489:                 }
                   1490:                 $r->print("<td>$cellentry<td>\n    ");
                   1491:             } else {
                   1492:                 $r->print("<td>".(++$studentcount)."</td><td>\n    ");
                   1493:             }
1.51      matthew  1494:             if ($linkto eq 'nothing') {
                   1495:                 $r->print($username);
                   1496:             } elsif ($linkto eq 'aboutme') {
                   1497:                 $r->print(&Apache::loncommon::aboutmewrapper($username,
                   1498:                                                              $username,
                   1499:                                                              $domain));
                   1500:             } elsif ($linkto eq 'modify') {
1.59      matthew  1501:                 $r->print('<a href="'.
                   1502:                           "javascript:document.studentform.sname.value='".
                   1503:                           $username.
                   1504:                           "';document.studentform.sdom.value='".$domain.
                   1505:                           "';document.studentform.state.value='selected".
                   1506:                           "';document.studentform.submit();".'">'.
1.53      matthew  1507:                           $username."</a>\n");
1.50      matthew  1508:             }
1.51      matthew  1509:             $r->print(<<"END");
1.50      matthew  1510:     </td>
1.51      matthew  1511:     <td>$domain</td>
                   1512:     <td>$id</td>
                   1513:     <td>$name</td>
                   1514:     <td>$section</td>
1.110     matthew  1515:     <td>$start</td>
                   1516:     <td>$end</td>
1.142     raeburn  1517:     <td>$active_groups</td>
1.114     raeburn  1518: END
1.134     raeburn  1519:             if ($env{'course.'.$env{'request.course.id'}.
1.136     raeburn  1520: 			 '.internal.showphoto'}) {
1.134     raeburn  1521:                 if ($displayphotos eq 'on') {
1.135     albertel 1522:                     my $imgurl = 
                   1523: 			&Apache::lonnet::retrievestudentphoto($domain,
                   1524: 							      $username,'gif',
                   1525: 							      'thumbnail');
1.134     raeburn  1526:                 
                   1527:                     $r->print('    <td align="right"><a href="javascript:photowindow('."'".&Apache::lonnet::studentphoto($domain,$username,'jpg')."'".')"><img src="'.$imgurl.'" border="1"></a></td>');
                   1528:                 } else {
                   1529:                     $r->print('    <td>&nbsp;</td>  ');
                   1530:                 }
                   1531:             }
1.139     albertel 1532: 	    $r->print(&Apache::loncommon::end_data_table_row());
1.51      matthew  1533:         } elsif ($mode eq 'csv') {
1.103     matthew  1534:             next if (! defined($CSVfile));
1.51      matthew  1535:             # no need to bother with $linkto
1.114     raeburn  1536:             if (! defined($start) || $start == 0) {
                   1537:                 $start = &mt('none');
                   1538:             } else {
                   1539:                 $start = &Apache::lonlocal::locallocaltime($start);
                   1540:             }
                   1541:             if (! defined($end) || $end == 0) {
                   1542:                 $end = &mt('none');
                   1543:             } else {
                   1544:                 $end = &Apache::lonlocal::locallocaltime($end);
                   1545:             }
1.51      matthew  1546:             my @line = ();
1.110     matthew  1547:             foreach ($username,$domain,$id,$name,$section,$start,$end) {
1.51      matthew  1548:                 push @line,&Apache::loncommon::csv_translate($_);
1.58      matthew  1549:             }
                   1550:             if ($statusmode eq 'Any') {
                   1551:                 push @line,&Apache::loncommon::csv_translate($status);
1.41      matthew  1552:             }
1.142     raeburn  1553:             push @line,&Apache::loncommon::csv_translate($active_groups);
1.103     matthew  1554:             print $CSVfile '"'.join('","',@line).'"'."\n";
1.60      matthew  1555:         } elsif ($mode eq 'excel') {
1.110     matthew  1556:             $excel_sheet->write($row,0,[$username,$domain,$id,
                   1557:                                           $name,$section]);
                   1558:             my $col = 5;
                   1559:             foreach my $time ($start,$end) {
1.129     matthew  1560:                 if (defined($time) && $time != 0) {
                   1561:                     $excel_sheet->write($row,$col++,
1.110     matthew  1562:                                    &Apache::lonstathelpers::calc_serial($time),
                   1563:                                     $format->{'date'});
1.129     matthew  1564:                 } else {
                   1565:                     $excel_sheet->write($row,$col++,'none');
                   1566:                 }                    
1.110     matthew  1567:             }
                   1568:             $excel_sheet->write($row,$col++,$status);
1.142     raeburn  1569:             $excel_sheet->write($row,$col++,$active_groups);
1.110     matthew  1570:             $row++;
1.40      matthew  1571:         }
                   1572:     }
1.114     raeburn  1573:     if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1.139     albertel 1574: 	$r->print(&Apache::loncommon::end_data_table().'<br />');
1.60      matthew  1575:     } elsif ($mode eq 'excel') {
                   1576:         $excel_workbook->close();
                   1577:         $r->print('<p><a href="'.$excel_filename.'">'.
1.94      sakharuk 1578:                   &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1.103     matthew  1579:     } elsif ($mode eq 'csv') {
                   1580:         close($CSVfile);
                   1581:         $r->print('<a href="'.$CSVfilename.'">'.
                   1582:                   &mt('Your CSV file').'</a> is ready for download.'.
                   1583:                   "\n");
                   1584:         $r->rflush();
1.60      matthew  1585:     }
1.114     raeburn  1586:     if ($mode eq 'autoenroll') {
1.115     raeburn  1587:         return ($studentcount,$autocount,$manualcount,$lockcount,$unlockcount);
1.114     raeburn  1588:     }
1.115     raeburn  1589:     return;
1.40      matthew  1590: }
                   1591: 
1.50      matthew  1592: 
                   1593: #
                   1594: # print out form for modification of a single students data
                   1595: #
                   1596: sub print_modify_student_form {
                   1597:     my $r = shift();
                   1598:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.59      matthew  1599:                                             ['sdom','sname']);    
1.127     albertel 1600:     my $sname  = $env{'form.sname'};
                   1601:     my $sdom   = $env{'form.sdom'};
                   1602:     my $sortby = $env{'form.sortby'};
1.50      matthew  1603:     # determine the students name information
                   1604:     my %info=&Apache::lonnet::get('environment',
                   1605:                                   ['firstname','middlename',
1.52      matthew  1606:                                    'lastname','generation','id'],
1.50      matthew  1607:                                   $sdom, $sname);
                   1608:     my ($tmp) = keys(%info);
                   1609:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1.94      sakharuk 1610:         $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1.50      matthew  1611:                   '<p>'.
1.94      sakharuk 1612:                   &mt('Unable to retrieve environment data for').' '.$sname.
                   1613:                   &mt('in domain').' '.$sdom.'</p><p>'.
1.138     albertel 1614:                   &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p>'.&Apache::loncommon::end_page());
1.50      matthew  1615:         return;
                   1616:     }
                   1617:     # determine the students starting and ending times and section
                   1618:     my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1.87      matthew  1619:     if ($starttime =~ /^error/) {
1.94      sakharuk 1620:         $r->print('<h2>'&mt('Error').'</h2>');
1.87      matthew  1621:         $r->print('<p>'.$starttime.'</p>');
                   1622:         return;
                   1623:     }
1.101     matthew  1624:     #
1.50      matthew  1625:     # Deal with date forms
1.101     matthew  1626:     my $current_date_description = '';
                   1627:     my $textdate = '';
                   1628: 
                   1629:     if (! defined($starttime) || $starttime == 0) {
                   1630:         $current_date_description = &mt('Current Starting Date: not set').
                   1631:             '<br />';
                   1632:     } else {
                   1633:         $current_date_description = 
                   1634:             &mt('Current Starting Date: [_1]',
                   1635:                 &Apache::lonlocal::locallocaltime($starttime)).'<br />';
                   1636:     }
                   1637:     if (! defined($endtime) || $endtime == 0) {
                   1638:         $current_date_description.= &mt('Current Ending Date: not set').
                   1639:             '<br />';
                   1640:     } else {
                   1641:         $current_date_description.= 
                   1642:             &mt('Current Ending Date: [_1]',
                   1643:                 &Apache::lonlocal::locallocaltime($endtime)).'<br />';
                   1644: 
                   1645:     }
1.68      matthew  1646:     my $date_table = &date_setting_table($starttime,$endtime);
1.59      matthew  1647:     #
1.127     albertel 1648:     if (! exists($env{'form.Status'}) || 
1.147     albertel 1649:         $env{'form.Status'} !~ /^(Any|Expired|Active|Future)$/) {
1.127     albertel 1650:         $env{'form.Status'} = 'crap';
1.59      matthew  1651:     }
1.94      sakharuk 1652:     # Make sure student is enrolled in course
                   1653:     my %lt=&Apache::lonlocal::texthash(
                   1654: 	           'mef'   => "Modify Enrollment for",
                   1655:                    'odcc'  => "Only domain coordinators can change a users password.",
                   1656:                    'sn'    => "Student Name",
                   1657:                    'fn'    => "First",
                   1658:                    'mn'    => "Middle",
                   1659:                    'ln'    => "Last",
                   1660:                    'gen'   => "Generation",
                   1661:                    'sid'   => "Student ID",
                   1662:                    'disn'  => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
                   1663:                    'sec'   => "Section",
                   1664:                    'sm'    => "Submit Modifications",
                   1665: 				       );
1.142     raeburn  1666: # Check if section name is valid
                   1667:     my $section_check = &section_check_js();
                   1668:     $r->print(<<"END");
                   1669: <script type="text/javascript">
                   1670: $section_check
                   1671: function secverify(formname,caller) {
                   1672:     if (validate(caller) == "error") {
                   1673:         return;
                   1674:     } else {
                   1675:         formname.submit();
                   1676:     }
                   1677: }
                   1678: </script>
1.52      matthew  1679: <p>
                   1680: <font size="+1">
1.94      sakharuk 1681: $lt{'odcc'}
1.52      matthew  1682: </font>
                   1683: </p>
1.50      matthew  1684: <input type="hidden" name="slogin"  value="$sname"  />
                   1685: <input type="hidden" name="sdomain" value="$sdom" />
                   1686: <input type="hidden" name="action"  value="modifystudent" />
1.53      matthew  1687: <input type="hidden" name="state"   value="done" />
                   1688: <input type="hidden" name="sortby"  value="$sortby" />
1.127     albertel 1689: <input type="hidden" name="Status"  value="$env{'form.Status'}" />
1.94      sakharuk 1690: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'} 
1.50      matthew  1691: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
                   1692: <p>
1.94      sakharuk 1693: <b>$lt{'sn'}</b>
1.50      matthew  1694: <table>
1.94      sakharuk 1695: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1.50      matthew  1696: <tr><td>
                   1697: <input type="text" name="firstname"  value="$info{'firstname'}"  /></td><td>
                   1698: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
                   1699: <input type="text" name="lastname"   value="$info{'lastname'}"   /></td><td>
                   1700: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
                   1701: </table>
                   1702: </p><p>
1.160   ! albertel 1703: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12" />
1.52      matthew  1704: </p><p>
1.131     albertel 1705: <label>
1.160   ! albertel 1706: <input type="checkbox" name="forceid" /> 
1.94      sakharuk 1707: $lt{'disn'}
1.131     albertel 1708: </label>
1.53      matthew  1709: </p><p>
1.160   ! albertel 1710: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="14" />
1.50      matthew  1711: </p>
1.101     matthew  1712: <p>$current_date_description</p>
1.68      matthew  1713: <p>$date_table</p>
1.142     raeburn  1714: <input type="button" value="$lt{'sm'}" onClick="secverify(this.form,this.form.section)" />
1.50      matthew  1715: END
1.138     albertel 1716:     $r->print(&Apache::loncommon::end_page());
1.50      matthew  1717:     return;
                   1718: }
                   1719: 
                   1720: #
                   1721: # modify a single students section 
                   1722: #
                   1723: sub modify_single_student {
1.138     albertel 1724:     my ($r) = @_;
1.68      matthew  1725:     #
1.80      matthew  1726:     # Remove non alphanumeric values from the section
1.127     albertel 1727:     $env{'form.section'} =~ s/\W//g;
1.77      matthew  1728:     #
1.68      matthew  1729:     # Do the date defaults first
                   1730:     my ($starttime,$endtime) = &get_dates_from_form();
1.127     albertel 1731:     if ($env{'form.makedatesdefault'}) {
1.68      matthew  1732:         $r->print(&make_dates_default($starttime,$endtime));
                   1733:     }
1.59      matthew  1734:     # Get the 'sortby' and 'Status' variables so the user goes back to their
                   1735:     # previous screen
1.127     albertel 1736:     my $sortby = $env{'form.sortby'};
                   1737:     my $status = $env{'form.Status'};
1.53      matthew  1738:     #
                   1739:     # We always need this information
1.127     albertel 1740:     my $slogin     = $env{'form.slogin'};
                   1741:     my $sdom       = $env{'form.sdomain'};
1.53      matthew  1742:     #
                   1743:     # Get the old data
                   1744:     my %old=&Apache::lonnet::get('environment',
                   1745:                                  ['firstname','middlename',
                   1746:                                   'lastname','generation','id'],
                   1747:                                  $sdom, $slogin);
1.59      matthew  1748:     $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1.127     albertel 1749:                                                   $env{'request.course.id'});
1.53      matthew  1750:     my ($tmp) = keys(%old);
                   1751:     if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1.94      sakharuk 1752:         $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1.53      matthew  1753:         return;
                   1754:     }
                   1755:     undef $tmp;
                   1756:     #
                   1757:     # Get the new data
1.127     albertel 1758:     my $firstname  = $env{'form.firstname'};
                   1759:     my $middlename = $env{'form.middlename'};
                   1760:     my $lastname   = $env{'form.lastname'};
                   1761:     my $generation = $env{'form.generation'};
                   1762:     my $section    = $env{'form.section'};
                   1763:     my $courseid   = $env{'request.course.id'};
                   1764:     my $sid        = $env{'form.id'};
1.50      matthew  1765:     my $displayable_starttime = localtime($starttime);
                   1766:     my $displayable_endtime   = localtime($endtime);
1.53      matthew  1767:     # 
                   1768:     # check for forceid override
1.63      matthew  1769:     if ((defined($old{'id'})) && ($old{'id'} ne '') && 
1.127     albertel 1770:         ($sid ne $old{'id'}) && (! exists($env{'form.forceid'}))) {
1.94      sakharuk 1771:         $r->print("<font color=\"ff0000\">".&mt('You changed the students id but did not disable the ID change safeguard. The students id will not be changed.')."</font>");
1.53      matthew  1772:         $sid = $old{'id'};
                   1773:     }
                   1774:     #
1.50      matthew  1775:     # talk to the user about what we are going to do
1.94      sakharuk 1776:     my %lt=&Apache::lonlocal::texthash(
                   1777: 	           'mdu'   => "Modifying data for user",
                   1778:                    'si'    => "Student Information",
                   1779:                    'fd'    => "Field",
                   1780:                    'ov'    => "Old Value",
                   1781:                    'nv'    => "New Value",
                   1782:                    'fn'    => "First name",
                   1783:                    'mn'    => "Middle name",
                   1784:                    'ln'    => "Last name",
                   1785:                    'gen'   => "Generation",
                   1786:                    'sec'   => "Section",
                   1787:                    'ri'    => "Role Information",
                   1788:                    'st'    => "Start Time",
                   1789:                    'et'    => "End Time",
                   1790: 				       );
1.50      matthew  1791:     $r->print(<<END);
1.94      sakharuk 1792:     <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
                   1793: <h3>$lt{'si'}</h3>
1.53      matthew  1794: <table rules="rows" border="1" cellpadding="3" >
                   1795: <tr>
1.94      sakharuk 1796:     <th> $lt{'fd'} </th>
                   1797:     <th> $lt{'ov'} </th>
                   1798:     <th> $lt{'nv'} </th>
1.53      matthew  1799: </tr>
                   1800: <tr>
1.94      sakharuk 1801:     <td> <b>$lt{'fn'}</b> </td>
1.53      matthew  1802:     <td> $old{'firstname'} </td>
                   1803:     <td> $firstname </td>
                   1804: </tr><tr>
1.94      sakharuk 1805:     <td> <b>$lt{'mn'}</b> </td>
1.53      matthew  1806:     <td> $old{'middlename'} </td>
                   1807:     <td> $middlename </td>
                   1808: </tr><tr>
1.94      sakharuk 1809:     <td> <b>$lt{'ln'}</b> </td>
1.53      matthew  1810:     <td> $old{'lastname'} </td>
                   1811:     <td> $lastname </td>
                   1812: </tr><tr>
1.94      sakharuk 1813:     <td> <b>$lt{'gen'}</b> </td>
1.53      matthew  1814:     <td> $old{'generation'} </td>
                   1815:     <td> $generation </td>
                   1816: </tr><tr>
                   1817:     <td> <b>ID</b> </td>
                   1818:     <td> $old{'id'} </td>
                   1819:     <td> $sid </td>
1.59      matthew  1820: </tr><tr>
1.94      sakharuk 1821:     <td> <b>$lt{'sec'}</b> </td>
1.59      matthew  1822:     <td> $old{'section'} </td>
                   1823:     <td> $section</td>
1.53      matthew  1824: </tr>
1.50      matthew  1825: </table>
1.94      sakharuk 1826: <h3>$lt{'ri'}</h3>
1.50      matthew  1827: <table>
1.94      sakharuk 1828: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
                   1829: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime   </td></tr>
1.50      matthew  1830: </table>
1.52      matthew  1831: <p>
1.50      matthew  1832: END
1.53      matthew  1833:     #
1.63      matthew  1834:     # Send request(s) to modify data (final undef is for 'desiredhost',
                   1835:     # which is a moot point because the student already has an account.
                   1836:     my $modify_section_results = &modifystudent($sdom,$slogin,
1.127     albertel 1837:                                                 $env{'request.course.id'},
1.63      matthew  1838:                                                 $section,undef);
                   1839:     if ($modify_section_results !~ /^ok/) {
1.94      sakharuk 1840:         $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1.63      matthew  1841:     }
1.52      matthew  1842:     my $roleresults = &Apache::lonnet::modifystudent
1.53      matthew  1843:         ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1.127     albertel 1844:          $generation,$section,$endtime,$starttime,$env{'form.forceid'});
1.53      matthew  1845:     if ($roleresults eq 'refused' ) {
1.94      sakharuk 1846:         $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1.50      matthew  1847:     } elsif ($roleresults !~ /ok/) {
1.94      sakharuk 1848:         $r->print(&mt('An error occurred during the attempt to change the role information for this student.')."  <br />".
                   1849:                   &mt('The error reported was')." ".
1.50      matthew  1850:                   $roleresults);
1.53      matthew  1851:         &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
                   1852:                                  " data for ".$slogin." \@ ".$sdom." by ".
1.127     albertel 1853:                                  $env{'user.name'}." \@ ".$env{'user.domain'}.
1.53      matthew  1854:                                  ":".$roleresults);
1.50      matthew  1855:     } else { # everything is okay!
1.94      sakharuk 1856:         $r->print(&mt('Student information updated successfully.')." <br />".
                   1857:                   &mt('The student must log out and log in again to see these changes.'));
1.50      matthew  1858:     }
1.94      sakharuk 1859:     my $Masd=&mt('Modify another students data');
1.50      matthew  1860:     $r->print(<<END);
1.52      matthew  1861: </p><p>
1.59      matthew  1862: <input type="hidden" name="action" value="modifystudent" />
                   1863: <input type="hidden" name="sortby" value="$sortby" />
                   1864: <input type="hidden" name="Status" value="$status" />
1.94      sakharuk 1865: <a href="javascript:document.studentform.submit();">$Masd</a>
1.50      matthew  1866: END
1.138     albertel 1867:     $r->print(&Apache::loncommon::end_page());
1.50      matthew  1868:     return;
                   1869: }
                   1870: 
                   1871: sub get_enrollment_data {
                   1872:     my ($sname,$sdomain) = @_;
1.127     albertel 1873:     my $courseid = $env{'request.course.id'};
1.151     albertel 1874:     my $cdom = $env{'course.'.$courseid.'.domain'};
                   1875:     my $cnum = $env{'course.'.$courseid.'.num'};
1.50      matthew  1876:     my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
                   1877:     my ($tmp) = keys(%roles);
                   1878:     # Bail out if we were unable to get the students roles
1.87      matthew  1879:     return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1.50      matthew  1880:     # Go through the roles looking for enrollment in this course
                   1881:     my ($end,$start) = (undef,undef);
                   1882:     my $section = '';
                   1883:     my $count = scalar(keys(%roles));
                   1884:     while (my ($course,$role) = each(%roles)) {
1.150     albertel 1885:         if ($course=~m{^/\Q$cdom\E/\Q$cnum\E/*\s*(\w+)*_st$} ) {
1.50      matthew  1886:             #
                   1887:             # Get active role
                   1888:             $section=$1;
                   1889:             (undef,$end,$start)=split(/\_/,$role);
                   1890:             my $now=time;
                   1891:             my $notactive=0;
                   1892:             if ($start) {
                   1893:                 if ($now<$start) { $notactive=1; }
                   1894:             }
                   1895:             if ($end) {
                   1896:                 if ($now>$end) { $notactive=1; }
                   1897:             } 
                   1898:             unless ($notactive) { return ($start,$end,$section); }
                   1899:         }
                   1900:     }
                   1901:     return ($start,$end,$section);
                   1902: }
                   1903: 
1.56      matthew  1904: #################################################
                   1905: #################################################
                   1906: 
                   1907: =pod
                   1908: 
                   1909: =item show_drop_list
                   1910: 
                   1911: Display a list of students to drop
                   1912: Inputs: 
                   1913: 
                   1914: =over 4
                   1915: 
                   1916: =item $r, Apache request
                   1917: 
                   1918: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
                   1919: 
                   1920: =item $keylist, array pointer returned from loncoursedata::get_classlist() 
                   1921: which describes the order elements are stored in the %$classlist values.
                   1922: 
                   1923: =item $nosort, if true, sorting links are omitted.
                   1924: 
                   1925: =back
                   1926: 
                   1927: =cut
                   1928: 
                   1929: #################################################
                   1930: #################################################
1.11      www      1931: sub show_drop_list {
1.56      matthew  1932:     my ($r,$classlist,$keylist,$nosort)=@_;
1.127     albertel 1933:     my $cid=$env{'request.course.id'};
                   1934:     if (! exists($env{'form.sortby'})) {
1.59      matthew  1935:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                   1936:                                                 ['sortby']);
                   1937:     }
1.127     albertel 1938:     my $sortby = $env{'form.sortby'};
1.142     raeburn  1939:     if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end)$/) {
1.54      matthew  1940:         $sortby = 'username';
                   1941:     }
1.142     raeburn  1942:     my $cdom = $env{'course.'.$cid.'.domain'};
                   1943:     my $cnum = $env{'course.'.$cid,'.num'};
                   1944:     my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
1.143     raeburn  1945:                                               $classlist,$keylist,$cdom,$cnum);
1.56      matthew  1946:     #
1.54      matthew  1947:     my $action = "drop";
                   1948:     $r->print(<<END);
                   1949: <input type="hidden" name="sortby" value="$sortby" />
                   1950: <input type="hidden" name="action" value="$action" />
1.50      matthew  1951: <input type="hidden" name="state"  value="done" />
1.32      matthew  1952: <script>
1.51      matthew  1953: function checkAll(field) {
1.32      matthew  1954:     for (i = 0; i < field.length; i++)
                   1955:         field[i].checked = true ;
                   1956: }
                   1957: 
1.51      matthew  1958: function uncheckAll(field) {
1.32      matthew  1959:     for (i = 0; i < field.length; i++)
                   1960:         field[i].checked = false ;
                   1961: }
                   1962: </script>
                   1963: <p>
1.26      matthew  1964: <input type="hidden" name="phase" value="four">
1.56      matthew  1965: END
                   1966: 
1.110     matthew  1967: my %lt=&Apache::lonlocal::texthash('usrn'   => "username",
                   1968:                                    'dom'    => "domain",
                   1969:                                    'sn'     => "student name",
                   1970:                                    'sec'    => "section",
                   1971:                                    'start'  => "start date",
                   1972:                                    'end'    => "end date",
1.142     raeburn  1973:                                    'groups' => "active groups",
1.110     matthew  1974:                                    );
1.56      matthew  1975:     if ($nosort) {
1.139     albertel 1976: 	$r->print(&Apache::loncommon::start_data_table());
1.56      matthew  1977:         $r->print(<<END);
                   1978: <tr>
                   1979:     <th>&nbsp;</th>
1.94      sakharuk 1980:     <th>$lt{'usrn'}</th>
                   1981:     <th>$lt{'dom'}</th>
1.56      matthew  1982:     <th>ID</th>
1.94      sakharuk 1983:     <th>$lt{'sn'}</th>
                   1984:     <th>$lt{'sec'}</th>
1.110     matthew  1985:     <th>$lt{'start'}</th>
                   1986:     <th>$lt{'end'}</th>
1.142     raeburn  1987:     <th>$lt{'groups'}</th>
1.56      matthew  1988: </tr>
                   1989: END
                   1990: 
                   1991:     } else  {
1.139     albertel 1992: 	$r->print(&Apache::loncommon::start_data_table());
1.56      matthew  1993:         $r->print(<<END);
1.54      matthew  1994: <tr><th>&nbsp;</th>
                   1995:     <th>
1.94      sakharuk 1996:        <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1.54      matthew  1997:     </th><th>
1.94      sakharuk 1998:        <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1.54      matthew  1999:     </th><th>
                   2000:        <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
                   2001:     </th><th>
1.94      sakharuk 2002:        <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1.54      matthew  2003:     </th><th>
1.94      sakharuk 2004:        <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1.110     matthew  2005:     </th><th>
                   2006:        <a href="/adm/dropadd?action=$action&sortby=start">$lt{'start'}</a>
                   2007:     </th><th>
                   2008:        <a href="/adm/dropadd?action=$action&sortby=end">$lt{'end'}</a>
1.142     raeburn  2009:     </th><th>
                   2010:        <a href="/adm/dropadd?action=$action&sortby=groups">$lt{'groups'}</a>
1.54      matthew  2011:     </th>
                   2012: </tr>
1.26      matthew  2013: END
1.56      matthew  2014:     }
                   2015:     #
                   2016:     # Sort the students
                   2017:     my %index;
                   2018:     my $i;
                   2019:     foreach (@$keylist) {
                   2020:         $index{$_} = $i++;
                   2021:     }
1.142     raeburn  2022:     $index{'groups'} = scalar(@$keylist);
1.56      matthew  2023:     my $index  = $index{$sortby};
                   2024:     my $second = $index{'username'};
                   2025:     my $third  = $index{'domain'};
1.54      matthew  2026:     my @Sorted_Students = sort {
1.56      matthew  2027:         lc($classlist->{$a}->[$index])  cmp lc($classlist->{$b}->[$index])
                   2028:             ||
                   2029:         lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
                   2030:             ||
                   2031:         lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
                   2032:         } (keys(%$classlist));
1.54      matthew  2033:     foreach my $student (@Sorted_Students) {
1.52      matthew  2034:         my $error;
1.110     matthew  2035:         my $sdata = $classlist->{$student};
                   2036:         my $username = $sdata->[$index{'username'}];
                   2037:         my $domain   = $sdata->[$index{'domain'}];
                   2038:         my $section  = $sdata->[$index{'section'}];
                   2039:         my $name     = $sdata->[$index{'fullname'}];
                   2040:         my $id       = $sdata->[$index{'id'}];
                   2041:         my $start    = $sdata->[$index{'start'}];
                   2042:         my $end      = $sdata->[$index{'end'}];
1.142     raeburn  2043:         my $groups = $classgroups->{$student};
                   2044:         my $active_groups;
                   2045:         if (ref($groups->{active}) eq 'HASH') {
                   2046:             $active_groups = join(', ',keys(%{$groups->{'active'}}));
                   2047:         }
1.110     matthew  2048:         if (! defined($start) || $start == 0) {
                   2049:             $start = &mt('none');
                   2050:         } else {
                   2051:             $start = &Apache::lonlocal::locallocaltime($start);
                   2052:         }
                   2053:         if (! defined($end) || $end == 0) {
                   2054:             $end = &mt('none');
                   2055:         } else {
                   2056:             $end = &Apache::lonlocal::locallocaltime($end);
                   2057:         }
                   2058:         my $status   = $sdata->[$index{'status'}];
1.51      matthew  2059:         next if ($status ne 'Active');
                   2060:         #
1.139     albertel 2061:         $r->print(&Apache::loncommon::start_data_table_row());
1.51      matthew  2062:         $r->print(<<"END");
                   2063:     <td><input type="checkbox" name="droplist" value="$student"></td>
                   2064:     <td>$username</td>
                   2065:     <td>$domain</td>
                   2066:     <td>$id</td>
                   2067:     <td>$name</td>
                   2068:     <td>$section</td>
1.110     matthew  2069:     <td>$start</td>
                   2070:     <td>$end</td>
1.142     raeburn  2071:     <td>$active_groups</td>
1.26      matthew  2072: END
1.139     albertel 2073:         $r->print(&Apache::loncommon::end_data_table_row());
1.25      matthew  2074:     }
1.139     albertel 2075:     $r->print(&Apache::loncommon::end_data_table().'<br />');
1.111     matthew  2076:     %lt=&Apache::lonlocal::texthash(
1.94      sakharuk 2077: 	               'dp'   => "Drop Students",
                   2078:                        'ca'   => "check all",
                   2079:                        'ua'   => "uncheck all",
                   2080: 				       );
1.32      matthew  2081:     $r->print(<<"END");
                   2082: </p><p>
1.94      sakharuk 2083: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)"> &nbsp;
                   2084: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)"> 
                   2085: <p><input type=submit value="$lt{'dp'}"></p>
1.32      matthew  2086: END
1.51      matthew  2087:     return;
1.10      www      2088: }
                   2089: 
1.48      matthew  2090: #
                   2091: # Print out the initial form to get the courselist file
                   2092: #
                   2093: sub print_first_courselist_upload_form {
                   2094:     my $r=shift;
1.88      matthew  2095:     my $str;
                   2096:     $str  = '<input type="hidden" name="phase" value="two">';
                   2097:     $str .= '<input type="hidden" name="action" value="upload" />';
                   2098:     $str .= '<input type="hidden"   name="state"  value="got_file" />';
                   2099:     $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
                   2100:     $str .= &Apache::loncommon::upfile_select_html();
                   2101:     $str .= "<p>\n";
                   2102:     $str .= '<input type="submit" name="fileupload" value="'.
                   2103:         &mt('Upload class list').'">'."\n";
1.131     albertel 2104:     $str .= '<label><input type="checkbox" name="noFirstLine" /> '.
                   2105:         &mt('Ignore First Line')."</label></p>\n";
1.88      matthew  2106:     $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1.92      sakharuk 2107:                          &mt("How do I create a class list from a spreadsheet")).
1.88      matthew  2108:                              "<br />\n";
                   2109:     $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1.92      sakharuk 2110:                            &mt("How do I create a CSV file from a spreadsheet")).
1.88      matthew  2111:                                "<br />\n";
1.138     albertel 2112:     $str .= &Apache::loncommon::end_page();
1.88      matthew  2113:     $r->print($str);
1.48      matthew  2114:     return;
                   2115: }
                   2116: 
1.10      www      2117: # ================================================= Drop/Add from uploaded file
                   2118: sub upfile_drop_add {
                   2119:     my $r=shift;
1.24      albertel 2120:     &Apache::loncommon::load_tmp_file($r);
                   2121:     my @studentdata=&Apache::loncommon::upfile_record_sep();
1.127     albertel 2122:     if($env{'form.noFirstLine'}){shift(@studentdata);}
                   2123:     my @keyfields = split(/\,/,$env{'form.keyfields'});
                   2124:     my $cid = $env{'request.course.id'};
1.25      matthew  2125:     my %fields=();
1.127     albertel 2126:     for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
                   2127:         if ($env{'form.upfile_associate'} eq 'reverse') {
                   2128:             if ($env{'form.f'.$i} ne 'none') {
                   2129:                 $fields{$keyfields[$i]}=$env{'form.f'.$i};
1.25      matthew  2130:             }
                   2131:         } else {
1.127     albertel 2132:             $fields{$env{'form.f'.$i}}=$keyfields[$i];
1.25      matthew  2133:         }
                   2134:     }
1.99      matthew  2135:     #
                   2136:     # Store the field choices away
                   2137:     foreach my $field (qw/username names 
                   2138:                        fname mname lname gen id sec ipwd email/) {
1.127     albertel 2139:         $env{'form.'.$field.'_choice'}=$fields{$field};
1.99      matthew  2140:     }
                   2141:     &Apache::loncommon::store_course_settings('enrollment_upload',
                   2142:                                               { 'username_choice' => 'scalar',
                   2143:                                                 'names_choice' => 'scalar',
                   2144:                                                 'fname_choice' => 'scalar',
                   2145:                                                 'mname_choice' => 'scalar',
                   2146:                                                 'lname_choice' => 'scalar',
                   2147:                                                 'gen_choice' => 'scalar',
                   2148:                                                 'id_choice' => 'scalar',
                   2149:                                                 'sec_choice' => 'scalar',
                   2150:                                                 'ipwd_choice' => 'scalar',
                   2151:                                                 'email_choice' => 'scalar' });
                   2152: 
1.26      matthew  2153:     #
1.68      matthew  2154:     my ($startdate,$enddate) = &get_dates_from_form();
1.127     albertel 2155:     if ($env{'form.makedatesdefault'}) {
1.68      matthew  2156:         $r->print(&make_dates_default($startdate,$enddate));
                   2157:     }
1.31      matthew  2158:     # Determine domain and desired host (home server)
1.127     albertel 2159:     my $domain=$env{'form.lcdomain'};
                   2160:     my $desiredhost = $env{'form.lcserver'};
1.31      matthew  2161:     if (lc($desiredhost) eq 'default') {
                   2162:         $desiredhost = undef;
                   2163:     } else {
1.157     albertel 2164:         my %home_servers = &Apache::lonnet::get_servers($domain,'library');
1.31      matthew  2165:         if (! exists($home_servers{$desiredhost})) {
1.88      matthew  2166:             $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
                   2167:                       &mt('Invalid home server specified'));
1.138     albertel 2168:             $r->print(&Apache::loncommon::end_page());
1.31      matthew  2169:             return;
                   2170:         }
                   2171:     }
1.26      matthew  2172:     # Determine authentication mechanism
                   2173:     my $amode  = '';
                   2174:     my $genpwd = '';
1.127     albertel 2175:     if ($env{'form.login'} eq 'krb') {
1.47      albertel 2176:         $amode='krb';
1.127     albertel 2177: 	$amode.=$env{'form.krbver'};
                   2178:         $genpwd=$env{'form.krbarg'};
                   2179:     } elsif ($env{'form.login'} eq 'int') {
1.25      matthew  2180:         $amode='internal';
1.127     albertel 2181:         if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
                   2182:             $genpwd=$env{'form.intarg'};
1.25      matthew  2183:         }
1.127     albertel 2184:     } elsif ($env{'form.login'} eq 'loc') {
1.25      matthew  2185:         $amode='localauth';
1.127     albertel 2186:         if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
                   2187:             $genpwd=$env{'form.locarg'};
1.79      matthew  2188:         }
                   2189:     }
                   2190:     if ($amode =~ /^krb/) {
                   2191:         if (! defined($genpwd) || $genpwd eq '') {
                   2192:             $r->print('<font color="red" size="+1">'.
1.88      matthew  2193:                       &mt('Unable to enroll students').'</font>  '.
                   2194:                       &mt('No Kerberos domain was specified.').'</p>');
1.79      matthew  2195:             $amode = ''; # This causes the loop below to be skipped
1.25      matthew  2196:         }
                   2197:     }
1.154     raeburn  2198:     if ( $domain eq &LONCAPA::clean_domain($domain)
1.150     albertel 2199: 	&& ($amode ne '')) {
1.26      matthew  2200:         #######################################
                   2201:         ##         Enroll Students           ##
                   2202:         #######################################
1.88      matthew  2203:         $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
1.25      matthew  2204:         my $count=0;
                   2205:         my $flushc=0;
                   2206:         my %student=();
1.142     raeburn  2207:         # Get information about course groups
1.143     raeburn  2208:         my %curr_groups = &Apache::longroup::coursegroups();
1.26      matthew  2209:         # Get new classlist
1.25      matthew  2210:         foreach (@studentdata) {
                   2211:             my %entries=&Apache::loncommon::record_sep($_);
1.26      matthew  2212:             # Determine student name
1.25      matthew  2213:             unless (($entries{$fields{'username'}} eq '') ||
                   2214:                     (!defined($entries{$fields{'username'}}))) {
1.26      matthew  2215:                 my ($fname, $mname, $lname,$gen) = ('','','','');
1.25      matthew  2216:                 if (defined($fields{'names'})) {
1.26      matthew  2217:                     ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
                   2218:                                             /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1.25      matthew  2219:                 } else {
                   2220:                     if (defined($fields{'fname'})) {
                   2221:                         $fname=$entries{$fields{'fname'}};
                   2222:                     }
                   2223:                     if (defined($fields{'mname'})) {
                   2224:                         $mname=$entries{$fields{'mname'}};
                   2225:                     }
                   2226:                     if (defined($fields{'lname'})) {
                   2227:                         $lname=$entries{$fields{'lname'}};
                   2228:                     }
                   2229:                     if (defined($fields{'gen'})) {
                   2230:                         $gen=$entries{$fields{'gen'}};
                   2231:                     }
                   2232:                 }
1.150     albertel 2233:                 if ($entries{$fields{'username'}}
                   2234: 		    ne &LONCAPA::clean_username($entries{$fields{'username'}})) {
1.88      matthew  2235:                     $r->print('<br />'.
                   2236:       &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
                   2237:           $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
                   2238:                               '</b>');
1.25      matthew  2239:                 } else {
1.26      matthew  2240:                     # determine section number
1.25      matthew  2241:                     my $sec='';
                   2242:                     my $username=$entries{$fields{'username'}};
                   2243:                     if (defined($fields{'sec'})) {
                   2244:                         if (defined($entries{$fields{'sec'}})) {
                   2245:                             $sec=$entries{$fields{'sec'}};
                   2246:                         }
                   2247:                     }
1.80      matthew  2248:                     # remove non alphanumeric values from section
                   2249:                     $sec =~ s/\W//g;
1.142     raeburn  2250:                     if ($sec eq "none" || $sec eq 'all') {
                   2251:                         $r->print('<br />'.
                   2252:       &mt('<b>[_1]</b>: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a reserved word.',
                   2253:                         $username,$sec,$fname,$mname,$lname,$gen));
                   2254:                         next;
                   2255:                     } elsif (($sec ne '') && (exists($curr_groups{$sec}))) {
                   2256:                         $r->print('<br />'.
                   2257:       &mt('<b>[_1]</b>: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a course group. Section names and group names must be distinct.',
                   2258:                         $username,$sec,$fname,$mname,$lname,$gen));
                   2259:                         next;
                   2260:                     }
1.26      matthew  2261:                     # determine student id number
1.25      matthew  2262:                     my $id='';
                   2263:                     if (defined($fields{'id'})) {
                   2264:                         if (defined($entries{$fields{'id'}})) {
                   2265:                             $id=$entries{$fields{'id'}};
                   2266:                         }
                   2267:                         $id=~tr/A-Z/a-z/;
                   2268:                     }
1.73      www      2269:                     # determine email address
                   2270:                     my $email='';
                   2271:                     if (defined($fields{'email'})) {
                   2272:                         if (defined($entries{$fields{'email'}})) {
                   2273:                             $email=$entries{$fields{'email'}};
                   2274:                             unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
                   2275:                         }
                   2276:                     }
1.26      matthew  2277:                     # determine student password
1.25      matthew  2278:                     my $password='';
                   2279:                     if ($genpwd) { 
                   2280:                         $password=$genpwd; 
                   2281:                     } else {
                   2282:                         if (defined($fields{'ipwd'})) {
                   2283:                             if ($entries{$fields{'ipwd'}}) {
                   2284:                                 $password=$entries{$fields{'ipwd'}};
                   2285:                             }
                   2286:                         }
                   2287:                     }
1.56      matthew  2288:                     # Clean up whitespace
                   2289:                     foreach (\$domain,\$username,\$id,\$fname,\$mname,
                   2290:                              \$lname,\$gen,\$sec) {
                   2291:                         $$_ =~ s/(\s+$|^\s+)//g;
                   2292:                     }
1.127     albertel 2293:                     if ($password || $env{'form.login'} eq 'loc') {
1.33      matthew  2294:                         &modifystudent($domain,$username,$cid,$sec,
                   2295:                                        $desiredhost);
1.25      matthew  2296:                         my $reply=&Apache::lonnet::modifystudent
                   2297:                             ($domain,$username,$id,$amode,$password,
                   2298:                              $fname,$mname,$lname,$gen,$sec,$enddate,
1.127     albertel 2299:                              $startdate,$env{'form.forceid'},$desiredhost,
1.73      www      2300:                              $email);
1.26      matthew  2301:                         if ($reply ne 'ok') {
1.72      matthew  2302:                             $reply =~ s/^error://;
1.88      matthew  2303:                             $r->print('<br />'.
                   2304:                 &mt('<b>[_1]</b>:  Unable to enroll: [_2]',$username,$reply));
1.10      www      2305:          		} else {
1.7       www      2306:                             $count++; $flushc++;
                   2307:                             $student{$username}=1;
1.6       www      2308:                             $r->print('. ');
1.7       www      2309:                             if ($flushc>15) {
                   2310: 				$r->rflush;
                   2311:                                 $flushc=0;
                   2312:                             }
1.6       www      2313:                         }
1.25      matthew  2314:                     } else {
1.88      matthew  2315:                         $r->print('<br />'.
                   2316:       &mt('<b>[_1]</b>: Unable to enroll.  No password specified.',$username)
                   2317:                                   );
1.25      matthew  2318:                     }
                   2319:                 }
1.26      matthew  2320:             }
                   2321:         } # end of foreach (@studentdata)
1.88      matthew  2322:         $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
                   2323:                   "</p>\n");
                   2324:         $r->print("<p>\n".
                   2325:                   &mt('If active, the new role will be available when the '.
                   2326:                   'students next log in to LON-CAPA.')."</p>\n");
1.26      matthew  2327:         #####################################
                   2328:         #           Drop students           #
                   2329:         #####################################
1.127     albertel 2330:         if ($env{'form.fullup'} eq 'yes') {
1.88      matthew  2331:             $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
1.26      matthew  2332:             #  Get current classlist
1.56      matthew  2333:             my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                   2334:             if (! defined($classlist)) {
1.88      matthew  2335:                 $r->print(&mt('There are no students currently enrolled.').
                   2336:                           "\n");
1.56      matthew  2337:             } else {
                   2338:                 # Remove the students we just added from the list of students.
1.25      matthew  2339:                 foreach (@studentdata) {
                   2340:                     my %entries=&Apache::loncommon::record_sep($_);
                   2341:                     unless (($entries{$fields{'username'}} eq '') ||
                   2342:                             (!defined($entries{$fields{'username'}}))) {
1.56      matthew  2343:                         delete($classlist->{$entries{$fields{'username'}}.
1.26      matthew  2344:                                                 ':'.$domain});
1.25      matthew  2345:                     }
                   2346:                 }
1.56      matthew  2347:                 # Print out list of dropped students.
                   2348:                 &show_drop_list($r,$classlist,$keylist,'nosort');
1.25      matthew  2349:             }
                   2350:         }
1.26      matthew  2351:     } # end of unless
1.10      www      2352: }
                   2353: 
1.11      www      2354: # ================================================================== Phase four
                   2355: sub drop_student_list {
                   2356:     my $r=shift;
                   2357:     my $count=0;
1.128     albertel 2358:     my @droplist = &Apache::loncommon::get_env_multiple('form.droplist');
1.35      matthew  2359:     foreach (@droplist) {
1.26      matthew  2360:         my ($uname,$udom)=split(/\:/,$_);
1.56      matthew  2361:         # drop student
1.127     albertel 2362:         my $result = &modifystudent($udom,$uname,$env{'request.course.id'});
1.37      matthew  2363:         if ($result eq 'ok' || $result eq 'ok:') {
1.88      matthew  2364:             $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
1.59      matthew  2365:             $count++;
1.35      matthew  2366:         } else {
1.88      matthew  2367:             $r->print(
                   2368:           &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
1.35      matthew  2369:                       '<br />');
                   2370:         }
1.20      harris41 2371:     }
1.88      matthew  2372:     $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
                   2373:     $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
1.11      www      2374: }
                   2375: 
1.142     raeburn  2376: sub section_check_js {
                   2377:     my $groupslist;
1.143     raeburn  2378:     my %curr_groups = &Apache::longroup::coursegroups();
1.142     raeburn  2379:     if (%curr_groups) {
                   2380:         $groupslist = join('","',sort(keys(%curr_groups)));
                   2381:     }
                   2382:     return <<"END";
                   2383: function validate(caller) {
                   2384:     var groups = new Array("$groupslist");
                   2385:     var secname = caller.value;
                   2386:     if ((secname == 'all') || (secname == 'none')) {
                   2387:         alert("'"+secname+"' may not be used as the name for a section, as it is a reserved word.\\nPlease choose a different section name.");
                   2388:         return 'error';
                   2389:     }
                   2390:     if (secname != '') {
                   2391:         for (var k=0; k<groups.length; k++) {
                   2392:             if (secname == groups[k]) {
                   2393:                 alert("'"+secname+"' may not be used as the name for a section, as it is the name of a course group.\\nSection names and group names must be distinct. Please choose a different section name.");
                   2394:                 return 'error';
                   2395:             }
                   2396:         }
                   2397:     }
                   2398:     return 'ok';
                   2399: }
                   2400: END
                   2401: }
                   2402: 
1.50      matthew  2403: ###################################################################
                   2404: ###################################################################
                   2405: 
                   2406: =pod
                   2407: 
                   2408: =item &handler
                   2409: 
                   2410: The typical handler you see in all these modules.  Takes $r, the
                   2411: http request, as an argument.  
                   2412: 
                   2413: The response to the request is governed by two form variables
                   2414: 
                   2415:  form.action      form.state     response
                   2416:  ---------------------------------------------------
                   2417:  undefined        undefined      print main menu
                   2418:  upload           undefined      print courselist upload menu
                   2419:  upload           got_file       deal with uploaded file,
                   2420:                                  print the upload managing menu
                   2421:  upload           enrolling      enroll students based on upload
                   2422:  drop             undefined      print the classlist ready to drop
                   2423:  drop             done           drop the selected students
1.74      matthew  2424:  enrollstudent    undefined      print student username domain form
                   2425:  enrollstudent    gotusername    print single student enroll menu
1.50      matthew  2426:  enrollstudent    enrolling      enroll student
                   2427:  classlist        undefined      print html classlist
                   2428:  classlist        csv            print csv classlist
                   2429:  modifystudent    undefined      print classlist to select student to modify
                   2430:  modifystudent    selected       print modify student menu
                   2431:  modifystudent    done           make modifications to student record
                   2432: 
                   2433: =cut
                   2434: 
                   2435: ###################################################################
                   2436: ###################################################################
1.10      www      2437: sub handler {
1.26      matthew  2438:     my $r=shift;
                   2439:     if ($r->header_only) {
1.86      www      2440:         &Apache::loncommon::content_type($r,'text/html');
1.26      matthew  2441:         $r->send_http_header;
                   2442:         return OK;
                   2443:     }
1.48      matthew  2444:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.50      matthew  2445:                                             ['action','state']);
1.102     matthew  2446: 
                   2447:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                   2448:     &Apache::lonhtmlcommon::add_breadcrumb
                   2449:         ({href=>"/adm/dropadd",
                   2450:           text=>"Enrollment Manager",
                   2451:           faq=>9,bug=>'Instructor Interface',});
1.26      matthew  2452:     #  Needs to be in a course
1.127     albertel 2453:     if (! ($env{'request.course.fn'})) {
1.121     matthew  2454:         # Not in a course
1.127     albertel 2455:         $env{'user.error.msg'}=
1.132     raeburn  2456:             "/adm/dropadd:cst:0:0:Cannot manage or view course groups, ".
                   2457:                                   "or drop or add students";
1.50      matthew  2458:         return HTTP_NOT_ACCEPTABLE; 
                   2459:     }
                   2460:     #
1.121     matthew  2461:     my $view_permission = 
1.127     albertel 2462:         &Apache::lonnet::allowed('vcl',$env{'request.course.id'});
1.121     matthew  2463:     my $enrl_permission = 
1.127     albertel 2464:         &Apache::lonnet::allowed('cst',$env{'request.course.id'});
1.132     raeburn  2465: 
                   2466:     my $grp_view_permission =
                   2467:         &Apache::lonnet::allowed('vcg',$env{'request.course.id'});
                   2468:     my $grp_manage_permission =
                   2469:         &Apache::lonnet::allowed('mdg',$env{'request.course.id'});
                   2470: 
                   2471: 
                   2472:     if (! $grp_view_permission && ! $grp_manage_permission && 
                   2473:                                   ! $view_permission && ! $enrl_permission) {
1.127     albertel 2474:         $env{'user.error.msg'}=
1.132     raeburn  2475:      "/adm/coursegroups:cst:0:0:Cannot manage or view course groups, ".
                   2476:                                  "or drop or add students";
                   2477:         return HTTP_NOT_ACCEPTABLE;
1.121     matthew  2478:     }
1.132     raeburn  2479: 
1.121     matthew  2480:     #
1.50      matthew  2481:     # Only output the header information if they did not request csv format
                   2482:     #
1.103     matthew  2483:     # Start page
                   2484:     &Apache::loncommon::content_type($r,'text/html');
                   2485:     $r->send_http_header;
                   2486:     $r->print(&header());
1.50      matthew  2487:     #
                   2488:     # Main switch on form.action and form.state, as appropriate
1.127     albertel 2489:     if (! exists($env{'form.action'})) {
1.141     albertel 2490:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enrollment Manager'));
1.132     raeburn  2491:         &print_main_menu($r,$enrl_permission,$view_permission,$grp_manage_permission,
                   2492:                          $grp_view_permission);
1.127     albertel 2493:     } elsif ($env{'form.action'} eq 'upload' && $enrl_permission) {
1.102     matthew  2494:         &Apache::lonhtmlcommon::add_breadcrumb
                   2495:             ({href=>'/adm/dropadd?action=upload&state=',
1.106     matthew  2496:               text=>"Upload Classlist"});
1.141     albertel 2497:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Upload Classlist',
                   2498: 						      'Course_Create_Class_List'));
1.127     albertel 2499:         if (! exists($env{'form.state'})) {
1.50      matthew  2500:             &print_first_courselist_upload_form($r);            
1.127     albertel 2501:         } elsif ($env{'form.state'} eq 'got_file') {
1.50      matthew  2502:             &print_upload_manager_form($r);
1.127     albertel 2503:         } elsif ($env{'form.state'} eq 'enrolling') {
                   2504:             if ($env{'form.datatoken'}) {
1.26      matthew  2505:                 &upfile_drop_add($r);
1.50      matthew  2506:             } else {
                   2507:                 # Hmmm, this is an error
1.26      matthew  2508:             }
1.50      matthew  2509:         } else {
                   2510:             &print_first_courselist_upload_form($r);            
1.26      matthew  2511:         }
1.127     albertel 2512:     } elsif ($env{'form.action'} eq 'drop' && $enrl_permission) {
1.102     matthew  2513:         &Apache::lonhtmlcommon::add_breadcrumb
                   2514:             ({href=>'/adm/dropadd?action=drop',
1.106     matthew  2515:               text=>"Drop Students"});
1.141     albertel 2516:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Drop Students',
                   2517: 						      'Course_Drop_Student'));
1.127     albertel 2518:         if (! exists($env{'form.state'})) {
1.51      matthew  2519:             &print_drop_menu($r);
1.127     albertel 2520:         } elsif ($env{'form.state'} eq 'done') {
1.26      matthew  2521:             &drop_student_list($r);
1.50      matthew  2522:         } else {
1.55      matthew  2523:             &print_drop_menu($r);
1.26      matthew  2524:         }
1.127     albertel 2525:     } elsif ($env{'form.action'} eq 'enrollstudent' && $enrl_permission) {
1.102     matthew  2526:         &Apache::lonhtmlcommon::add_breadcrumb
                   2527:             ({href=>'/adm/dropadd?action=enrollstudent',
1.106     matthew  2528:               text=>"Enroll Student"});
1.141     albertel 2529:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enroll Student',
                   2530: 						      'Course_Add_Student'));
1.127     albertel 2531:         if (! exists($env{'form.state'})) {
1.74      matthew  2532:             &get_student_username_domain_form($r);
1.127     albertel 2533:         } elsif ($env{'form.state'} eq 'gotusername') {
1.50      matthew  2534:             &print_enroll_single_student_form($r);
1.127     albertel 2535:         } elsif ($env{'form.state'} eq 'enrolling') {
1.26      matthew  2536:             &enroll_single_student($r);
1.50      matthew  2537:         } else {
1.74      matthew  2538:             &get_student_username_domain_form($r);
1.26      matthew  2539:         }
1.127     albertel 2540:     } elsif ($env{'form.action'} eq 'classlist' && $view_permission) {
1.102     matthew  2541:         &Apache::lonhtmlcommon::add_breadcrumb
                   2542:             ({href=>'/adm/dropadd?action=classlist',
1.106     matthew  2543:               text=>"View Classlist"});
1.141     albertel 2544:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('View Classlist',
                   2545: 						      'Course_View_Class_List'));
1.127     albertel 2546:         if (! exists($env{'form.state'})) {
1.103     matthew  2547:             &print_html_classlist($r,undef);
1.127     albertel 2548:         } elsif ($env{'form.state'} eq 'csv') {
1.103     matthew  2549:             &print_html_classlist($r,'csv');
1.127     albertel 2550:         } elsif ($env{'form.state'} eq 'excel') {
1.103     matthew  2551:             &print_html_classlist($r,'excel');
1.50      matthew  2552:         } else {
1.103     matthew  2553:             &print_html_classlist($r,undef);
1.50      matthew  2554:         }
1.127     albertel 2555:     } elsif ($env{'form.action'} eq 'modifystudent' && $enrl_permission) {
1.102     matthew  2556:         &Apache::lonhtmlcommon::add_breadcrumb
                   2557:             ({href=>'/adm/dropadd?action=modifystudent',
1.106     matthew  2558:               text=>"Modify Student Data"});
1.141     albertel 2559:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Modify Student Data',
                   2560: 						      'Course_Modify_Student_Data'));
1.127     albertel 2561:         if (! exists($env{'form.state'})) {
1.50      matthew  2562:             &print_html_classlist($r);
1.127     albertel 2563:         } elsif ($env{'form.state'} eq 'selected') {
1.50      matthew  2564:             &print_modify_student_form($r);
1.127     albertel 2565:         } elsif ($env{'form.state'} eq 'done') {
1.50      matthew  2566:             &modify_single_student($r);
                   2567:         } else {
                   2568:             &print_html_classlist($r);
                   2569:         }        
                   2570:     } else {
                   2571:         # We should not end up here, but I guess it is possible
                   2572:         &Apache::lonnet::logthis("Undetermined state in londropadd.pm.  ".
1.127     albertel 2573:                                  "form.action = ".$env{'form.action'}.
1.50      matthew  2574:                                  "Someone should fix this.");
1.141     albertel 2575:         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enrollment Manager'));
1.121     matthew  2576:         &print_main_menu($r,$enrl_permission,$view_permission);
1.50      matthew  2577:     }
                   2578:     #
                   2579:     # Finish up
1.138     albertel 2580:     $r->print('</form>'.&Apache::loncommon::end_page());
1.26      matthew  2581:     return OK;
1.1       www      2582: }
                   2583: 
1.50      matthew  2584: ###################################################################
                   2585: ###################################################################
                   2586: 
1.1       www      2587: 1;
                   2588: __END__
1.50      matthew  2589: 
1.1       www      2590: 

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