1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.138 2006/03/21 18:34:23 albertel Exp $
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: #
28: #
29: ###############################################################
30: ##############################################################
31:
32: package Apache::londropadd;
33:
34: use strict;
35: use Apache::lonnet;
36: use Apache::loncommon();
37: use Apache::lonhtmlcommon();
38: use Apache::Constants qw(:common :http REDIRECT);
39: use Spreadsheet::WriteExcel;
40: use Apache::lonstathelpers();
41: use Apache::lonlocal;
42:
43: ###############################################################
44: ###############################################################
45: sub header {
46: my $start_page=&Apache::loncommon::start_page('Enrollment Manager');
47: return(<<ENDHEAD);
48: $start_page
49: <form method="post" enctype="multipart/form-data"
50: action="/adm/dropadd" name="studentform">
51: ENDHEAD
52: }
53:
54: ###############################################################
55: ###############################################################
56: # Drop student from all sections of a course, except optional $csec
57: sub modifystudent {
58: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
59: # if $csec is undefined, drop the student from all the courses matching
60: # this one. If $csec is defined, drop them from all other sections of
61: # this course and add them to section $csec
62: $courseid=~s/\_/\//g;
63: $courseid=~s/^(\w)/\/$1/;
64: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
65: my ($tmp) = keys(%roles);
66: # Bail out if we were unable to get the students roles
67: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
68: # Go through the roles looking for enrollment in this course
69: my $result = '';
70: foreach my $course (keys(%roles)) {
71: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
72: # We are in this course
73: my $section=$1;
74: $section='' if ($course eq $courseid.'_st');
75: if (defined($csec) && $section eq $csec) {
76: $result .= 'ok:';
77: } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
78: my (undef,$end,$start)=split(/\_/,$roles{$course});
79: my $now=time;
80: # if this is an active role
81: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
82: my $reply=&Apache::lonnet::modifystudent
83: # dom name id mode pass f m l g
84: ($udom,$unam,'', '', '',undef,undef,undef,undef,
85: $section,time,undef,undef,$desiredhost);
86: $result .= $reply.':';
87: }
88: }
89: }
90: }
91: if ($result eq '') {
92: $result = 'Unable to find section for this student';
93: } else {
94: $result =~ s/(ok:)+/ok/g;
95: }
96: return $result;
97: }
98:
99: ###############################################################
100: ###############################################################
101: # build a domain and server selection form
102: sub domain_form {
103: my ($defdom) = @_;
104: # Set up domain and server selection forms
105: #
106: # Get the domains
107: my @domains = &Apache::loncommon::get_domains();
108: # build up the menu information to be passed to
109: # &Apache::loncommon::linked_select_forms
110: my %select_menus;
111: foreach my $dom (@domains) {
112: # set up the text for this domain
113: $select_menus{$dom}->{'text'}= $dom;
114: # we want a choice of 'default' as the default in the second menu
115: $select_menus{$dom}->{'default'}= 'default';
116: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
117: # Now build up the other items in the second menu
118: my %servers = &Apache::loncommon::get_library_servers($dom);
119: foreach my $server (keys(%servers)) {
120: $select_menus{$dom}->{'select2'}->{$server}
121: = "$server $servers{$server}";
122: }
123: }
124: my $result = &Apache::loncommon::linked_select_forms
125: ('studentform',' with home server ',$defdom,
126: 'lcdomain','lcserver',\%select_menus);
127: return $result;
128: }
129:
130: ###############################################################
131: ###############################################################
132: # Menu Phase One
133: sub print_main_menu {
134: my ($r,$enrl_permission,$view_permission,$grp_manage_permission,
135: $grp_view_permission)=@_;
136: #
137: my ($cdom,$cnum) = split/_/,$env{'request.course.id'};
138: my @menu =
139: (
140: { text => 'Upload a class list',
141: help => 'Course_Create_Class_List',
142: action => 'upload',
143: permission => $enrl_permission,
144: },
145: { text => 'Enroll a single student',
146: help => 'Course_Add_Student',
147: action => 'enrollstudent',
148: permission => $enrl_permission,
149: },
150: { text => 'Modify student data',
151: help => 'Course_Modify_Student_Data',
152: action => 'modifystudent',
153: permission => $enrl_permission,
154: },
155: { text => 'View Class List',
156: help => 'Course_View_Class_List',
157: action => 'classlist',
158: permission => $view_permission,
159: },
160: { text => 'Drop Students',
161: help => 'Course_Drop_Student',
162: action => 'drop',
163: permission => $enrl_permission,
164: },
165: { text => 'Automated Enrollment Manager',
166: permission => &Apache::lonnet::auto_run($cnum,$cdom),
167: url => '/adm/populate',
168: },
169: { text => 'Create a new group',
170: help => 'Course_Create_Group',
171: permission => $grp_manage_permission,
172: url => '/adm/coursegroups?refpage=enrl&action=create',
173: },
174: { text => 'Modify an existing group',
175: help => 'Course_Modify_Group',
176: permission => $grp_manage_permission,
177: url => '/adm/coursegroups?refpage=enrl&action=modify',
178: },
179: { text => 'Delete an existing group',
180: help => 'Course_Delete_Group',
181: permission => $grp_manage_permission,
182: url => '/adm/coursegroups?refpage=enrl&action=delete',
183: },
184: { text => 'Enter an existing group',
185: help => 'Course_Display_Group',
186: permission => $grp_view_permission,
187: url => '/adm/coursegroups?refpage=enrl&action=view',
188: },
189: );
190: my $menu_html = '';
191: foreach my $menu_item (@menu) {
192: next if (! $menu_item->{'permission'});
193: $menu_html.='<p>';
194: $menu_html.='<font size="+1">';
195: if (exists($menu_item->{'url'})) {
196: $menu_html.=qq{<a href="$menu_item->{'url'}">};
197: } else {
198: $menu_html.=
199: qq{<a href="/adm/dropadd?action=$menu_item->{'action'}">};
200: }
201: $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
202: if (exists($menu_item->{'help'})) {
203: $menu_html.=
204: &Apache::loncommon::help_open_topic($menu_item->{'help'});
205: }
206: $menu_html.='</p>'.$/;
207: }
208: $r->print($menu_html);
209: return;
210: }
211:
212: ###############################################################
213: ###############################################################
214: sub hidden_input {
215: my ($name,$value) = @_;
216: return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
217: }
218:
219: sub print_upload_manager_header {
220: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
221: my $javascript;
222: #
223: if (! exists($env{'form.upfile_associate'})) {
224: $env{'form.upfile_associate'} = 'forward';
225: }
226: if ($env{'form.associate'} eq 'Reverse Association') {
227: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
228: $env{'form.upfile_associate'} = 'reverse';
229: } else {
230: $env{'form.upfile_associate'} = 'forward';
231: }
232: }
233: if ($env{'form.upfile_associate'} eq 'reverse') {
234: $javascript=&upload_manager_javascript_reverse_associate();
235: } else {
236: $javascript=&upload_manager_javascript_forward_associate();
237: }
238: #
239: # Deal with restored settings
240: my $password_choice = '';
241: if (exists($env{'form.ipwd_choice'}) &&
242: $env{'form.ipwd_choice'} ne '') {
243: # If a column was specified for password, assume it is for an
244: # internal password. This is a bug waiting to be filed (could be
245: # local or krb auth instead of internal) but I do not have the
246: # time to mess around with this now.
247: $password_choice = 'int';
248: }
249: #
250: my $javascript_validations=&javascript_validations('auth',$krbdefdom,
251: $password_choice);
252: my $checked=(($env{'form.noFirstLine'})?' checked="1"':'');
253: $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
254: "<hr>\n".
255: '<h3>'.&mt('Identify fields')."</h3>\n");
256: $r->print("<p>\n".
257: &mt('Total number of records found in file: [_1].',$distotal).
258: "\n".
259: "</p><hr>\n");
260: $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");
261: $r->print(&hidden_input('action','upload').
262: &hidden_input('state','got_file').
263: &hidden_input('associate','').
264: &hidden_input('datatoken',$datatoken).
265: &hidden_input('fileupload',$env{'form.fileupload'}).
266: &hidden_input('upfiletype',$env{'form.upfiletype'}).
267: &hidden_input('upfile_associate',$env{'form.upfile_associate'}));
268: $r->print('<input type="button" value="Reverse Association" '.
269: 'name="'.&mt('Reverse Association').'" '.
270: 'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
271: $r->print('<label><input type="checkbox" name="noFirstLine" $checked />'.
272: &mt('Ignore First Line').'</label>');
273: $r->print("<hr />\n".
274: '<script type="text/javascript" language="Javascript">'."\n".
275: $javascript."\n".$javascript_validations.'</script>');
276: }
277:
278: ###############################################################
279: ###############################################################
280: sub javascript_validations {
281: my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_;
282: my $authheader;
283: if ($mode eq 'auth') {
284: my %param = ( formname => 'studentform',
285: kerb_def_dom => $krbdefdom,
286: curr_authtype => $curr_authtype);
287: $authheader = &Apache::loncommon::authform_header(%param);
288: } elsif ($mode eq 'createcourse') {
289: my %param = ( formname => 'ccrs',
290: kerb_def_dom => $krbdefdom,
291: curr_authtype => $curr_authtype );
292: $authheader = &Apache::loncommon::authform_header(%param);
293: } elsif ($mode eq 'modifycourse') {
294: my %param = ( formname => 'cmod',
295: kerb_def_dom => $krbdefdom,
296: mode => 'modifycourse',
297: curr_authtype => $curr_authtype,
298: curr_autharg => $curr_authfield );
299: $authheader = &Apache::loncommon::authform_header(%param);
300: }
301:
302:
303: my %alert = &Apache::lonlocal::texthash
304: (username => 'You need to specify the username field.',
305: authen => 'You must choose an authentication type.',
306: krb => 'You need to specify the Kerberos domain.',
307: ipass => 'You need to specify the initial password.',
308: name => 'The optional name field was not specified.',
309: snum => 'The optional student number field was not specified.',
310: section => 'The optional section or group field was not specified.',
311: email => 'The optional email address field was not specified.',
312: continue => 'Continue enrollment?',
313: );
314:
315: # my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
316: my $function_name =(<<END);
317: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
318: END
319: my $auth_checks;
320: if ($mode eq 'createcourse') {
321: $auth_checks .= (<<END);
322: if (vf.autoadds[0].checked == true) {
323: if (current.radiovalue == null || current.radiovalue == 'nochange') {
324: alert('$alert{'authen'}');
325: return;
326: }
327: }
328: END
329: } else {
330: $auth_checks .= (<<END);
331: var foundatype=0;
332: if (founduname==0) {
333: alert('$alert{'username'}');
334: return;
335: }
336: // alert('current.radiovalue = '+current.radiovalue);
337: if (current.radiovalue == null || current.radiovalue == '' || current.radiovalue == 'nochange') {
338: // They did not check any of the login radiobuttons.
339: alert('$alert{'authen'}');
340: return;
341: }
342: END
343: }
344: if ($mode eq 'createcourse') {
345: $auth_checks .= "
346: if ( (vf.autoadds[0].checked == true) &&
347: (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
348: ";
349: } elsif ($mode eq 'modifycourse') {
350: $auth_checks .= "
351: if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
352: ";
353: }
354: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
355: $auth_checks .= (<<END);
356: var alertmsg = '';
357: switch (current.radiovalue) {
358: case 'krb':
359: alertmsg = '$alert{'krb'}';
360: break;
361: default:
362: alertmsg = '';
363: }
364: if (alertmsg != '') {
365: alert(alertmsg);
366: return;
367: }
368: }
369: END
370: } else {
371: $auth_checks .= (<<END);
372: foundatype=1;
373: if (current.argfield == null || current.argfield == '') {
374: var alertmsg = '';
375: switch (current.value) {
376: case 'krb':
377: alertmsg = '$alert{'krb'}';
378: break;
379: case 'loc':
380: case 'fsys':
381: alertmsg = '$alert{'ipass'}';
382: break;
383: case 'fsys':
384: alertmsg = '';
385: break;
386: default:
387: alertmsg = '';
388: }
389: if (alertmsg != '') {
390: alert(alertmsg);
391: return;
392: }
393: }
394: END
395: }
396: my $optional_checks = '';
397: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
398: $optional_checks = (<<END);
399: vf.submit();
400: }
401: END
402: } else {
403: $optional_checks = (<<END);
404: var message='';
405: if (foundname==0) {
406: message='$alert{'name'}';
407: }
408: if (foundid==0) {
409: if (message!='') {
410: message+='\\n';
411: }
412: message+='$alert{'snum'}';
413: }
414: if (foundsec==0) {
415: if (message!='') {
416: message+='\\n';
417: }
418: message+='$alert{'section'}';
419: }
420: if (foundemail==0) {
421: if (message!='') {
422: message+='\\n';
423: }
424: message+='$alert{'email'}';
425: }
426: if (message!='') {
427: message+= '\\n$alert{'continue'}';
428: if (confirm(message)) {
429: vf.state.value='enrolling';
430: vf.submit();
431: }
432: } else {
433: vf.state.value='enrolling';
434: vf.submit();
435: }
436: }
437: END
438: }
439: my $result = $function_name;
440: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
441: $result .= $auth_checks;
442: }
443: $result .= $optional_checks;
444: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
445: $result .= $authheader;
446: }
447: return $result;
448: }
449:
450: ###############################################################
451: ###############################################################
452: sub upload_manager_javascript_forward_associate {
453: return(<<ENDPICK);
454: function verify(vf) {
455: var founduname=0;
456: var foundpwd=0;
457: var foundname=0;
458: var foundid=0;
459: var foundsec=0;
460: var foundemail=0;
461: var tw;
462: for (i=0;i<=vf.nfields.value;i++) {
463: tw=eval('vf.f'+i+'.selectedIndex');
464: if (tw==1) { founduname=1; }
465: if ((tw>=2) && (tw<=6)) { foundname=1; }
466: if (tw==7) { foundid=1; }
467: if (tw==8) { foundsec=1; }
468: if (tw==9) { foundpwd=1; }
469: if (tw==10) { foundemail=1; }
470: }
471: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
472: }
473:
474: //
475: // vf = this.form
476: // tf = column number
477: //
478: // values of nw
479: //
480: // 0 = none
481: // 1 = username
482: // 2 = names (lastname, firstnames)
483: // 3 = fname (firstname)
484: // 4 = mname (middlename)
485: // 5 = lname (lastname)
486: // 6 = gen (generation)
487: // 7 = id
488: // 8 = section
489: // 9 = ipwd (password)
490: // 10 = email address
491:
492: function flip(vf,tf) {
493: var nw=eval('vf.f'+tf+'.selectedIndex');
494: var i;
495: // make sure no other columns are labeled the same as this one
496: for (i=0;i<=vf.nfields.value;i++) {
497: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
498: eval('vf.f'+i+'.selectedIndex=0;')
499: }
500: }
501: // If we set this to 'lastname, firstnames', clear out all the ones
502: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
503: if (nw==2) {
504: for (i=0;i<=vf.nfields.value;i++) {
505: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
506: (eval('vf.f'+i+'.selectedIndex')<=6)) {
507: eval('vf.f'+i+'.selectedIndex=0;')
508: }
509: }
510: }
511: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
512: // clear out any that are set to 'lastname, firstnames' (2)
513: if ((nw>=3) && (nw<=6)) {
514: for (i=0;i<=vf.nfields.value;i++) {
515: if (eval('vf.f'+i+'.selectedIndex')==2) {
516: eval('vf.f'+i+'.selectedIndex=0;')
517: }
518: }
519: }
520: // If we set the password, make the password form below correspond to
521: // the new value.
522: if (nw==9) {
523: changed_radio('int',document.studentform);
524: set_auth_radio_buttons('int',document.studentform);
525: vf.intarg.value='';
526: vf.krbarg.value='';
527: vf.locarg.value='';
528: }
529: }
530:
531: function clearpwd(vf) {
532: var i;
533: for (i=0;i<=vf.nfields.value;i++) {
534: if (eval('vf.f'+i+'.selectedIndex')==9) {
535: eval('vf.f'+i+'.selectedIndex=0;')
536: }
537: }
538: }
539:
540: ENDPICK
541: }
542:
543: ###############################################################
544: ###############################################################
545: sub upload_manager_javascript_reverse_associate {
546: return(<<ENDPICK);
547: function verify(vf) {
548: var founduname=0;
549: var foundpwd=0;
550: var foundname=0;
551: var foundid=0;
552: var foundsec=0;
553: var tw;
554: for (i=0;i<=vf.nfields.value;i++) {
555: tw=eval('vf.f'+i+'.selectedIndex');
556: if (i==0 && tw!=0) { founduname=1; }
557: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
558: if (i==6 && tw!=0) { foundid=1; }
559: if (i==7 && tw!=0) { foundsec=1; }
560: if (i==8 && tw!=0) { foundpwd=1; }
561: }
562: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
563: }
564:
565: function flip(vf,tf) {
566: var nw=eval('vf.f'+tf+'.selectedIndex');
567: var i;
568: // picked the all one one name field, reset the other name ones to blank
569: if (tf==1 && nw!=0) {
570: for (i=2;i<=5;i++) {
571: eval('vf.f'+i+'.selectedIndex=0;')
572: }
573: }
574: //picked one of the piecewise name fields, reset the all in
575: //one field to blank
576: if ((tf>=2) && (tf<=5) && (nw!=0)) {
577: eval('vf.f1.selectedIndex=0;')
578: }
579: // intial password specified, pick internal authentication
580: if (tf==8 && nw!=0) {
581: changed_radio('int',document.studentform);
582: set_auth_radio_buttons('int',document.studentform);
583: vf.krbarg.value='';
584: vf.intarg.value='';
585: vf.locarg.value='';
586: }
587: }
588:
589: function clearpwd(vf) {
590: var i;
591: if (eval('vf.f8.selectedIndex')!=0) {
592: eval('vf.f8.selectedIndex=0;')
593: }
594: }
595: ENDPICK
596: }
597:
598: ###############################################################
599: ###############################################################
600: sub print_upload_manager_footer {
601: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
602:
603: my ($krbdef,$krbdefdom) =
604: &Apache::loncommon::get_kerberos_defaults($defdom);
605: my %param = ( formname => 'document.studentform',
606: kerb_def_dom => $krbdefdom,
607: kerb_def_auth => $krbdef
608: );
609: if (exists($env{'form.ipwd_choice'}) &&
610: defined($env{'form.ipwd_choice'}) &&
611: $env{'form.ipwd_choice'} ne '') {
612: $param{'curr_authtype'} = 'int';
613: }
614: my $krbform = &Apache::loncommon::authform_kerberos(%param);
615: my $intform = &Apache::loncommon::authform_internal(%param);
616: my $locform = &Apache::loncommon::authform_local(%param);
617: my $domform = &domain_form($defdom);
618: my $date_table = &date_setting_table();
619: my $Str = "</table>\n";
620: $Str .= &hidden_input('nfields',$i);
621: $Str .= &hidden_input('keyfields',$keyfields);
622: $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
623: $Str .= "<p>\n".
624: &mt('Note: this will not take effect if the user already exists').
625: &Apache::loncommon::help_open_topic('Auth_Options').
626: "</p><p>\n";
627: $Str .= $krbform."\n</p><p>\n".
628: $intform."\n</p><p>\n".
629: $locform."\n</p>\n";
630: $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
631: $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
632: $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
633: $Str .= "<p>\n".$date_table."</p>\n";
634: $Str .= "<h3>".&mt('Full Update')."</h3>\n";
635: $Str .= '<label><input type="checkbox" name="fullup" value="yes">'.
636: ' '.&mt('Full update (also print list of users not enrolled anymore)').
637: "</label></p>\n";
638: $Str .= "<h3>".&mt('Student Number')."</h3>\n";
639: $Str .= "<p>\n".'<label><input type="checkbox" name="forceid" value="yes">';
640: $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
641: 'of Conflicting IDs (only do if you know what you are doing)').
642: "</label>\n</p><p>\n";
643: $Str .= '<input type="button" onClick="javascript:verify(this.form)" '.
644: 'value="Update Class List" />'."<br />\n";
645: $Str .= &mt('Note: for large courses, this operation may be time '.
646: 'consuming');
647: $r->print($Str);
648: return;
649: }
650:
651: ###############################################################
652: ###############################################################
653: sub print_upload_manager_form {
654: my $r=shift;
655:
656: my $firstLine;
657: my $datatoken;
658: if (!$env{'form.datatoken'}) {
659: $datatoken=&Apache::loncommon::upfile_store($r);
660: } else {
661: $datatoken=$env{'form.datatoken'};
662: &Apache::loncommon::load_tmp_file($r);
663: }
664: my @records=&Apache::loncommon::upfile_record_sep();
665: if($env{'form.noFirstLine'}){
666: $firstLine=shift(@records);
667: }
668: my $total=$#records;
669: my $distotal=$total+1;
670: my $today=time;
671: my $halfyear=$today+15552000;
672: #
673: # Restore memorized settings
674: &Apache::loncommon::restore_course_settings
675: ('enrollment_upload',{ 'username_choice' => 'scalar', # column settings
676: 'names_choice' => 'scalar',
677: 'fname_choice' => 'scalar',
678: 'mname_choice' => 'scalar',
679: 'lname_choice' => 'scalar',
680: 'gen_choice' => 'scalar',
681: 'id_choice' => 'scalar',
682: 'sec_choice' => 'scalar',
683: 'ipwd_choice' => 'scalar',
684: 'email_choice' => 'scalar',
685: });
686: #
687: # Determine kerberos parameters as appropriate
688: my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
689: my ($krbdef,$krbdefdom) =
690: &Apache::loncommon::get_kerberos_defaults($defdom);
691: #
692: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
693: my $i;
694: my $keyfields;
695: if ($total>=0) {
696: my @field=
697: (['username',&mt('Username'), $env{'form.username_choice'}],
698: ['names',&mt('Last Name, First Names'),$env{'form.names_choice'}],
699: ['fname',&mt('First Name'), $env{'form.fname_choice'}],
700: ['mname',&mt('Middle Names/Initials'),$env{'form.mname_choice'}],
701: ['lname',&mt('Last Name'), $env{'form.lname_choice'}],
702: ['gen', &mt('Generation'), $env{'form.gen_choice'}],
703: ['id', &mt('ID/Student Number'),$env{'form.id_choice'}],
704: ['sec', &mt('Group/Section'), $env{'form.sec_choice'}],
705: ['ipwd', &mt('Initial Password'),$env{'form.ipwd_choice'}],
706: ['email',&mt('EMail Address'), $env{'form.email_choice'}]);
707: if ($env{'form.upfile_associate'} eq 'reverse') {
708: &Apache::loncommon::csv_print_samples($r,\@records);
709: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
710: \@field);
711: foreach (@field) {
712: $keyfields.=$_->[0].',';
713: }
714: chop($keyfields);
715: } else {
716: unshift(@field,['none','']);
717: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
718: \@field);
719: my %sone=&Apache::loncommon::record_sep($records[0]);
720: $keyfields=join(',',sort(keys(%sone)));
721: }
722: }
723: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
724: }
725:
726: ###############################################################
727: ###############################################################
728: sub enroll_single_student {
729: my $r=shift;
730: # Remove non alphanumeric values from section
731: $env{'form.csec'}=~s/\W//g;
732: #
733: # We do the dates first because the action of making them the defaul
734: # in the course is entirely separate from the action of enrolling the
735: # student. Also, a failure in setting the dates as default is not fatal
736: # to the process of enrolling / modifying a student.
737: my ($startdate,$enddate) = &get_dates_from_form();
738: if ($env{'form.makedatesdefault'}) {
739: $r->print(&make_dates_default($startdate,$enddate));
740: }
741:
742: $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
743: $r->print('<p>'.&mt('Enrolling').' '.$env{'form.cuname'}." \@ ".
744: $env{'form.lcdomain'}.'</p>');
745: if (($env{'form.cuname'})&&($env{'form.cuname'}!~/\W/)&&
746: ($env{'form.lcdomain'})&&($env{'form.lcdomain'}!~/\W/)) {
747: # Deal with home server selection
748: my $domain=$env{'form.lcdomain'};
749: my $desiredhost = $env{'form.lcserver'};
750: if (lc($desiredhost) eq 'default') {
751: $desiredhost = undef;
752: } else {
753: my %home_servers =&Apache::loncommon::get_library_servers($domain);
754: if (! exists($home_servers{$desiredhost})) {
755: $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
756: &mt('Invalid home server specified'));
757: return;
758: }
759: }
760: $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
761: # End of home server selection logic
762: my $amode='';
763: my $genpwd='';
764: if ($env{'form.login'} eq 'krb') {
765: $amode='krb';
766: $amode.=$env{'form.krbver'};
767: $genpwd=$env{'form.krbarg'};
768: } elsif ($env{'form.login'} eq 'int') {
769: $amode='internal';
770: $genpwd=$env{'form.intarg'};
771: } elsif ($env{'form.login'} eq 'loc') {
772: $amode='localauth';
773: $genpwd=$env{'form.locarg'};
774: if (!$genpwd) { $genpwd=" "; }
775: }
776: my $home = &Apache::lonnet::homeserver($env{'form.cuname'},
777: $env{'form.lcdomain'});
778: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
779: # Clean out any old roles the student has in this class.
780: &modifystudent($env{'form.lcdomain'},$env{'form.cuname'},
781: $env{'request.course.id'},$env{'form.csec'},
782: $desiredhost);
783: my $login_result = &Apache::lonnet::modifystudent
784: ($env{'form.lcdomain'},$env{'form.cuname'},
785: $env{'form.cstid'},$amode,$genpwd,
786: $env{'form.cfirst'},$env{'form.cmiddle'},
787: $env{'form.clast'},$env{'form.cgen'},
788: $env{'form.csec'},$enddate,
789: $startdate,$env{'form.forceid'},
790: $desiredhost,$env{'form.emailaddress'});
791: if ($login_result =~ /^ok/) {
792: $r->print($login_result);
793: $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
794: } else {
795: $r->print(&mt('unable to enroll').": ".$login_result);
796: }
797: } else {
798: $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font> ');
799: if ($amode =~ /^krb/) {
800: $r->print(&mt('Missing Kerberos domain information.').' ');
801: } else {
802: $r->print(&mt('Invalid login mode or password.').' ');
803: }
804: $r->print('<b>'.&mt('Unable to enroll').' '.$env{'form.cuname'}.'.</b></p>');
805: }
806: } else {
807: $r->print(&mt('Invalid username or domain'));
808: }
809: }
810:
811: sub setup_date_selectors {
812: my ($starttime,$endtime,$mode) = @_;
813: if (! defined($starttime)) {
814: $starttime = time;
815: unless ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
816: if (exists($env{'course.'.$env{'request.course.id'}.
817: '.default_enrollment_start_date'})) {
818: $starttime = $env{'course.'.$env{'request.course.id'}.
819: '.default_enrollment_start_date'};
820: }
821: }
822: }
823: if (! defined($endtime)) {
824: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
825: unless ($mode eq 'createcourse') {
826: if (exists($env{'course.'.$env{'request.course.id'}.
827: '.default_enrollment_end_date'})) {
828: $endtime = $env{'course.'.$env{'request.course.id'}.
829: '.default_enrollment_end_date'};
830: }
831: }
832: }
833: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
834: 'startdate',
835: $starttime);
836: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
837: 'enddate',
838: $endtime);
839: if ($mode eq 'create_enrolldates') {
840: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
841: 'startenroll',
842: $starttime);
843: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
844: 'endenroll',
845: $endtime);
846: }
847: if ($mode eq 'create_defaultdates') {
848: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
849: 'startaccess',
850: $starttime);
851: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
852: 'endaccess',
853: $endtime);
854: }
855: return ($startdateform,$enddateform);
856: }
857:
858: sub get_dates_from_form {
859: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
860: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
861: if ($env{'form.no_end_date'}) {
862: $enddate = 0;
863: }
864: return ($startdate,$enddate);
865: }
866:
867: sub date_setting_table {
868: my ($starttime,$endtime,$mode) = @_;
869: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
870: my $dateDefault = '<nobr>'.
871: '<label><input type="checkbox" name="makedatesdefault" /> '.
872: &mt('make these dates the default for future enrollment').'</label>';
873: if ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
874: $dateDefault = ' ';
875: }
876: my $perpetual = '<nobr><label><input type="checkbox" name="no_end_date"';
877: if (defined($endtime) && $endtime == 0) {
878: $perpetual .= ' checked';
879: }
880: $perpetual.= ' /> '.&mt('no ending date').'</label></nobr>';
881: if ($mode eq 'create_enrolldates') {
882: $perpetual = ' ';
883: }
884: my $result = '';
885: $result .= "<table>\n";
886: $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
887: '<td>'.$startform.'</td>'.
888: '<td>'.$dateDefault.'</td>'."</tr>\n";
889: $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
890: '<td>'.$endform.'</td>'.
891: '<td>'.$perpetual.'</td>'."</tr>\n";
892: $result .= "</table>\n";
893: return $result;
894: }
895:
896: sub make_dates_default {
897: my ($startdate,$enddate) = @_;
898: my $result = '';
899: my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
900: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
901: my $put_result = &Apache::lonnet::put('environment',
902: {'default_enrollment_start_date'=>$startdate,
903: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
904: if ($put_result eq 'ok') {
905: $result .= "Set default start and end dates for course<br />";
906: #
907: # Refresh the course environment
908: &Apache::lonnet::coursedescription($env{'request.course.id'});
909: } else {
910: $result .= &mt('Unable to set default dates for course').":".$put_result.
911: '<br />';
912: }
913: return $result;
914: }
915:
916: ##
917: ## Single student enrollment routines (some of them)
918: ##
919: sub get_student_username_domain_form {
920: my $r = shift;
921: my $domform = &Apache::loncommon::select_dom_form
922: ($env{'course.'.$env{'request.course.id'}.'.domain'},'cudomain',0);
923: my %lt=&Apache::lonlocal::texthash(
924: 'eos' => "Enroll One Student",
925: 'usr' => "Username",
926: 'dom' => "Domain",
927: 'been' => "Begin Enrollment",
928: );
929: $r->print(<<END);
930: <input type="hidden" name="action" value="enrollstudent" />
931: <input type="hidden" name="state" value="gotusername" />
932: <h3>$lt{'eos'}</h3>
933: <table>
934: <tr><th>$lt{'usr'}:</th>
935: <td><input type="text" name="cuname" size="15" /></td></tr>
936: <tr><th>$lt{'dom'}:</th>
937: <td>$domform</td></tr>
938: <tr><th> </th>
939: <td>
940: <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
941: </td></tr>
942: </table>
943: <script type="text/javascript">
944: // the if prevents the script error if the browser can not handle this
945: if ( document.studentform.cuname ) { document.studentform.cuname.focus(); }
946: </script>
947: END
948: return;
949: }
950:
951: sub print_enroll_single_student_form {
952: my $r=shift;
953: $r->print("<h3>".&mt('Enroll One Student')."</h3>");
954: #
955: my $username = $env{'form.cuname'};
956: my $domain = $env{'form.cudomain'};
957: $username=~s/\W//gs;
958: $domain=~s/\W//gs;
959: my $home = &Apache::lonnet::homeserver($username,$domain);
960: # $new_user flags whether we are creating a new user or using an old one
961: my $new_user = 1;
962: if ($home ne 'no_host') {
963: $new_user = 0;
964: }
965: #
966: my $user_data_html = '';
967: my $javascript_validations = '';
968: if ($new_user) {
969: my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
970: # Set up authentication forms
971: my ($krbdef,$krbdefdom) =
972: &Apache::loncommon::get_kerberos_defaults($domain);
973: $javascript_validations=&javascript_validations('auth',$krbdefdom);
974: my %param = ( formname => 'document.studentform',
975: kerb_def_dom => $krbdefdom,
976: kerb_def_auth => $krbdef
977: );
978: my $krbform = &Apache::loncommon::authform_kerberos(%param);
979: my $intform = &Apache::loncommon::authform_internal(%param);
980: my $locform = &Apache::loncommon::authform_local(%param);
981: #
982: # Set up domain selection form
983: my $homeserver_form = '';
984: my %servers = &Apache::loncommon::get_library_servers($domain);
985: $homeserver_form = '<select name="lcserver" size="1">'."\n".
986: '<option value="default" selected>default</option>'."\n";
987: while (my ($servername,$serverdescription) = each (%servers)) {
988: $homeserver_form .= '<option value="'.$servername.'">'.
989: $serverdescription."</option>\n";
990: }
991: $homeserver_form .= "</select>\n";
992: #
993: #
994: my %lt=&Apache::lonlocal::texthash(
995: 'udf' => "User Data for",
996: 'fn' => "First Name",
997: 'mn' => "Middle Name",
998: 'ln' => "Last Name",
999: 'gen' => "Generation",
1000: 'hs' => "Home Server",
1001: 'pswd' => "Password",
1002: 'psam' => "Please select an authentication mechanism",
1003: 'mail' => "Email Address"
1004: );
1005: my $authhelp=&Apache::loncommon::help_open_topic('Auth_Options');
1006: $user_data_html = <<END;
1007: <h3>$lt{'udf'} $username\@$domain</h3>
1008: <table>
1009: <tr><th>$lt{'fn'}:</th>
1010: <td><input type="text" name="cfirst" size="15"></td></tr>
1011: <tr><th>$lt{'mn'}:</th>
1012: <td><input type="text" name="cmiddle" size="15"></td></tr>
1013: <tr><th>$lt{'ln'}:</th>
1014: <td><input type="text" name="clast" size="15"></td></tr>
1015: <tr><th>$lt{'gen'}:</th>
1016: <td><input type="text" name="cgen" size="5"> </td></tr>
1017: <tr><th>$lt{'hs'}:</th>
1018: <td>$homeserver_form</td></tr>
1019: <tr><th>$lt{'mail'}:</th>
1020: <td><input type="text" name="emailaddress" size="20" /></td></tr>
1021: </table>
1022: <h3>$lt{'pswd'}</h3>
1023: $lt{'psam'}$authhelp
1024: <table>
1025: <p>
1026: $krbform
1027: <br />
1028: $intform
1029: <br />
1030: $locform
1031: </p>
1032: END
1033: } else {
1034: # User already exists. Do not worry about authentication
1035: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
1036: $javascript_validations = &javascript_validations('noauth');
1037: my %lt=&Apache::lonlocal::texthash(
1038: 'udf' => "User Data for",
1039: 'fn' => "First Name",
1040: 'mn' => "Middle Name",
1041: 'ln' => "Last Name",
1042: 'gen' => "Generation",
1043: 'mail' => "Email Address",
1044: );
1045: $user_data_html = <<END;
1046: <h3>$lt{'udf'} $username\@$domain</h3>
1047: <input type="hidden" name="lcserver" value="default" />
1048: <table>
1049: <tr><th>$lt{'fn'}:</th>
1050: <td>
1051: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
1052: </td></tr>
1053: <tr><th>$lt{'mn'}:</th>
1054: <td>
1055: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
1056: </td></tr>
1057: <tr><th>$lt{'ln'}:</th>
1058: <td>
1059: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
1060: </td></tr>
1061: <tr><th>$lt{'gen'}:</th>
1062: <td>
1063: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
1064: </td></tr>
1065: <tr><th>$lt{'mail'}:</th>
1066: <td>
1067: <input type="text" name="emailaddress" value="$uenv{'permanentemail'}" size="20" />
1068: </td></tr>
1069: </table>
1070: END
1071: }
1072: my $date_table = &date_setting_table();
1073: # Print it all out
1074: my %lt=&Apache::lonlocal::texthash(
1075: 'cd' => "Course Data",
1076: 'gs' => "Group/Section",
1077: 'idsn' => "ID/Student Number",
1078: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1079: 'eas' => "Enroll as student",
1080: );
1081: $r->print(<<END);
1082: <input type="hidden" name="action" value="enrollstudent" />
1083: <input type="hidden" name="state" value="done" />
1084: <input type="hidden" name="cuname" value="$username" />
1085: <input type="hidden" name="lcdomain" value="$domain" />
1086: <script type="text/javascript" language="Javascript">
1087: function verify(vf) {
1088: var founduname=0;
1089: var foundpwd=0;
1090: var foundname=0;
1091: var foundid=0;
1092: var foundsec=0;
1093: var tw;
1094: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
1095: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1096: founduname=1;
1097: }
1098: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1099: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1100: foundname=1;
1101: }
1102: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1103: foundsec=1;
1104: }
1105: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1106: foundid=1;
1107: }
1108: if (founduname==0) {
1109: alert('You need to specify at least the username and domain fields');
1110: return;
1111: }
1112: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1113: }
1114:
1115: $javascript_validations
1116:
1117: function clearpwd(vf) {
1118: //nothing else needs clearing
1119: }
1120:
1121: </script>
1122:
1123: $user_data_html
1124:
1125: <h3>$lt{'cd'}</h3>
1126:
1127: <p>$lt{'gs'}: <input type="text" name="csec" size="5" />
1128: <p>
1129: $date_table
1130: </p>
1131: <h3>$lt{'idsn'}</h3>
1132: <p>
1133: $lt{'idsn'}: <input type="text" name="cstid" size="10">
1134: </p><p>
1135: <label>
1136: <input type="checkbox" name="forceid" value="yes">
1137: $lt{'disn'}
1138: </label>
1139: </p><p>
1140: <input type="button" onClick="verify(this.form)" value="$lt{'eas'}">
1141: </p>
1142: END
1143: return;
1144: }
1145:
1146: # ========================================================= Menu Phase Two Drop
1147: sub print_drop_menu {
1148: my $r=shift;
1149: $r->print("<h3>".&mt('Drop Students')."</h3>");
1150: my $cid=$env{'request.course.id'};
1151: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
1152: if (! defined($classlist)) {
1153: $r->print(&mt('There are no students currently enrolled.')."\n");
1154: return;
1155: }
1156: # Print out the available choices
1157: &show_drop_list($r,$classlist,$keylist);
1158: return;
1159: }
1160:
1161: # ============================================== view classlist
1162: sub print_html_classlist {
1163: my ($r,$mode) = @_;
1164: if (! exists($env{'form.sortby'})) {
1165: $env{'form.sortby'} = 'username';
1166: }
1167: if ($env{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1168: $env{'form.Status'} = 'Active';
1169: }
1170: my $status_select = &Apache::lonhtmlcommon::StatusOptions
1171: ($env{'form.Status'});
1172: my $cid=$env{'request.course.id'};
1173: my $cdom=$env{'course.'.$cid.'.domain'};
1174: my $cnum=$env{'course.'.$cid.'.num'};
1175: #
1176: # List course personnel
1177: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1178: #
1179: if (! defined($env{'form.output'}) ||
1180: $env{'form.output'} !~ /^(csv|excel|html)$/ ) {
1181: $env{'form.output'} = 'html';
1182: }
1183: #
1184: $r->print('<br /><table border="2">');
1185: foreach my $role (sort keys %coursepersonnel) {
1186: next if ($role =~ /^\s*$/);
1187: $r->print('<tr><td>'.$role.'</td><td>');
1188: foreach my $user (split(',',$coursepersonnel{$role})) {
1189: my ($puname,$pudom)=split(':',$user);
1190: $r->print(' '.&Apache::loncommon::aboutmewrapper(
1191: &Apache::loncommon::plainname($puname,
1192: $pudom),
1193: $puname,$pudom));
1194: }
1195: $r->print('</td></tr>');
1196: }
1197: $r->print('</table>');
1198: #
1199: # Interface output
1200: $r->print('<input type="hidden" name="action" value="'.
1201: $env{'form.action'}.'" />');
1202: $r->print("<p>\n");
1203: if ($env{'form.action'} ne 'modifystudent') {
1204: my %lt=&Apache::lonlocal::texthash('csv' => "CSV",
1205: 'excel' => "Excel",
1206: 'html' => 'HTML');
1207: my $output_selector = '<select size="1" name="output" >';
1208: foreach my $outputformat ('html','csv','excel') {
1209: my $option = '<option value="'.$outputformat.'" ';
1210: if ($outputformat eq $env{'form.output'}) {
1211: $option .= 'selected ';
1212: }
1213: $option .='>'.$lt{$outputformat}.'</option>';
1214: $output_selector .= "\n".$option;
1215: }
1216: $output_selector .= '</select>';
1217: $r->print(&mt('Output Format: [_1]',$output_selector).(' 'x3));
1218: }
1219: $r->print(&mt('Student Status: [_1]',$status_select)."\n");
1220: $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
1221: "\n</p>\n");
1222: #
1223: # Print the classlist
1224: $r->print('<h2>'.&mt('Current Class List').'</h2>');
1225: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1226: if (! defined($classlist)) {
1227: $r->print(&mt('There are no students currently enrolled.')."\n");
1228: } else {
1229: # Print out the available choices
1230: if ($env{'form.action'} eq 'modifystudent') {
1231: &show_class_list($r,'view','modify',
1232: $env{'form.Status'},$classlist,$keylist);
1233: } else {
1234: &show_class_list($r,$env{'form.output'},'aboutme',
1235: $env{'form.Status'},$classlist,$keylist);
1236: }
1237: }
1238: }
1239:
1240: # =================================================== Show student list to drop
1241: sub show_class_list {
1242: my ($r,$mode,$linkto,$statusmode,$classlist,$keylist)=@_;
1243: my $cid=$env{'request.course.id'};
1244: #
1245: # Variables for excel output
1246: my ($excel_workbook, $excel_sheet, $excel_filename,$row,$format);
1247: #
1248: # Variables for csv output
1249: my ($CSVfile,$CSVfilename);
1250: #
1251: my $sortby = $env{'form.sortby'};
1252: if ($sortby !~ /^(username|domain|section|fullname|id|start|end|type)$/) {
1253: $sortby = 'username';
1254: }
1255: if (! exists($env{'form.displayphotos'})) {
1256: $env{'form.displayphotos'} = 'off';
1257: }
1258: my $displayphotos = $env{'form.displayphotos'};
1259:
1260: # Print out header
1261: unless ($mode eq 'autoenroll') {
1262: $r->print(<<END);
1263: <input type="hidden" name="state" value="$env{'form.state'}" />
1264: END
1265: }
1266: $r->print(<<END);
1267: <input type="hidden" name="sortby" value="$sortby" />
1268: <input type="hidden" name="displayphotos" value="$displayphotos" />
1269: END
1270: if ($mode eq 'html' || $mode eq 'view' || $mode eq 'autoenroll') {
1271: if ($linkto eq 'aboutme') {
1272: $r->print(&mt('Select a user name to view the users personal page.'));
1273: } elsif ($linkto eq 'modify') {
1274: $r->print(&mt('Select a user name to modify the students information'));
1275: }
1276: my %lt=&Apache::lonlocal::texthash(
1277: 'usrn' => "username",
1278: 'dom' => "domain",
1279: 'sn' => "student name",
1280: 'sec' => "section",
1281: 'start' => "start date",
1282: 'end' => "end date",
1283: 'type' => "enroll type/action",
1284: 'photo' => "photo",
1285: );
1286: unless ($mode eq 'autoenroll') {
1287: $r->print(<<END);
1288: <input type="hidden" name="sname" value="" />
1289: <input type="hidden" name="sdom" value="" />
1290: END
1291: }
1292: if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1293: $r->print('
1294: <script type="text/javascript">
1295: function photowindow(photolink) {
1296: var title = "Photo_Viewer";
1297: var options = "scrollbars=1,resizable=1,menubar=0";
1298: options += ",width=240,height=240";
1299: stdeditbrowser = open(photolink,title,options,"1");
1300: stdeditbrowser.focus();
1301: }
1302: </script>
1303: ');
1304: }
1305: $r->print("
1306: <p>
1307: <table border=2>
1308: <tr>
1309: ");
1310: if ($mode eq 'autoenroll') {
1311: $r->print("
1312: <th><a href=\"javascript:document.studentform.sortby.value='type';document.studentform.submit();\">$lt{'type'}</a></th>
1313: ");
1314: } else {
1315: $r->print("
1316: <th>Count</th>
1317: ");
1318: }
1319: $r->print(<<END);
1320: <th>
1321: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1322: </th><th>
1323: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1324: </th><th>
1325: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1326: </th><th>
1327: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1328: </th><th>
1329: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1330: </th><th>
1331: <a href="javascript:document.studentform.sortby.value='start';document.studentform.submit();">$lt{'start'}</a>
1332: </th><th>
1333: <a href="javascript:document.studentform.sortby.value='end';document.studentform.submit();">$lt{'end'}</a>
1334: </th>
1335: END
1336: if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1337: my %photo_options = &Apache::lonlocal::texthash(
1338: 'on' => 'Show',
1339: 'off' => 'Hide',
1340: );
1341: my $photochg = 'on';
1342: if ($displayphotos eq 'on') {
1343: $photochg = 'off';
1344: }
1345: $r->print(' <th>'."\n".' '.
1346: '<a href="javascript:document.studentform.displayphotos.value='.
1347: "'".$photochg."'".';document.studentform.submit();">'.
1348: $photo_options{$photochg}.'</a> '.$lt{'photo'}."\n".
1349: ' </th>'."\n");
1350: }
1351: $r->print(" </tr>\n");
1352: } elsif ($mode eq 'csv') {
1353: #
1354: # Open a file
1355: $CSVfilename = '/prtspool/'.
1356: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1357: time.'_'.rand(1000000000).'.csv';
1358: unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
1359: $r->log_error("Couldn't open $CSVfilename for output $!");
1360: $r->print("Problems occured in writing the csv file. ".
1361: "This error has been logged. ".
1362: "Please alert your LON-CAPA administrator.");
1363: $CSVfile = undef;
1364: }
1365: #
1366: # Write headers and data to file
1367: if($statusmode eq 'Expired') {
1368: print $CSVfile '"'.&mt('Students with expired roles').'"'."\n";
1369: }
1370: if ($statusmode eq 'Any') {
1371: print $CSVfile '"'.join('","',map {
1372: &Apache::loncommon::csv_translate(&mt($_))
1373: } ("username","domain","ID","student name",
1374: "section","start date","end date","status")).'"'."\n";
1375: } else {
1376: print $CSVfile '"'.join('","',map {
1377: &Apache::loncommon::csv_translate(&mt($_))
1378: } ("username","domain","ID","student name",
1379: "section","start date","end date")).'"'."\n";
1380: }
1381: } elsif ($mode eq 'excel') {
1382: # Create the excel spreadsheet
1383: ($excel_workbook,$excel_filename,$format) =
1384: &Apache::loncommon::create_workbook($r);
1385: return if (! defined($excel_workbook));
1386: $excel_sheet = $excel_workbook->addworksheet('classlist');
1387: #
1388: my $description = 'Class List for '.
1389: $env{'course.'.$env{'request.course.id'}.'.description'};
1390: $excel_sheet->write($row++,0,$description,$format->{'h1'});
1391: #
1392: $excel_sheet->write($row++,0,["username","domain","ID",
1393: "student name","section",
1394: "start date","end date","status"],
1395: $format->{'bold'});
1396: }
1397: #
1398: # Sort the students
1399: my %index;
1400: my $i;
1401: foreach (@$keylist) {
1402: $index{$_} = $i++;
1403: }
1404: my $index = $index{$sortby};
1405: my $second = $index{'username'};
1406: my $third = $index{'domain'};
1407: my @Sorted_Students = sort {
1408: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1409: ||
1410: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1411: ||
1412: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1413: } (keys(%$classlist));
1414: my $studentcount = 0;
1415: my $autocount = 0;
1416: my $manualcount = 0;
1417: my $unlockcount = 0;
1418: my $lockcount = 0;
1419: foreach my $student (@Sorted_Students) {
1420: my $sdata = $classlist->{$student};
1421: my $username = $sdata->[$index{'username'}];
1422: my $domain = $sdata->[$index{'domain'}];
1423: my $section = $sdata->[$index{'section'}];
1424: my $name = $sdata->[$index{'fullname'}];
1425: my $id = $sdata->[$index{'id'}];
1426: my $status = $sdata->[$index{'status'}];
1427: my $start = $sdata->[$index{'start'}];
1428: my $end = $sdata->[$index{'end'}];
1429: my $type = $sdata->[$index{'type'}];
1430: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1431: if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1432: if (! defined($start) || $start == 0) {
1433: $start = &mt('none');
1434: } else {
1435: $start = &Apache::lonlocal::locallocaltime($start);
1436: }
1437: if (! defined($end) || $end == 0) {
1438: $end = &mt('none');
1439: } else {
1440: $end = &Apache::lonlocal::locallocaltime($end);
1441: }
1442: $r->print("<tr>\n ");
1443: if ($mode eq 'autoenroll') {
1444: my $lockedtype = $sdata->[$index{'lockedtype'}];
1445: $studentcount++;
1446: my $cellentry;
1447: if ($type eq 'auto') {
1448: $cellentry = '<b>'.&mt('auto').'</b> <label><input type="checkbox" name="chgauto" value="'.$username.':'.$domain.'" /> Change</label>';
1449: $autocount ++;
1450: } else {
1451: $cellentry = '<table border="0" cellspacing="0"><tr><td rowspan="2"><b>'.&mt('manual').'</b></td><td><nobr><label><input type="checkbox" name="chgmanual" value="'.$username.':'.$domain.'" /> Change</label></nobr></td></tr><tr><td><nobr>';
1452: $manualcount ++;
1453: if ($lockedtype) {
1454: $cellentry .= '<label><input type="checkbox" name="unlockchg" value="'.$username.':'.$domain.'" /> '.&mt('Unlock').'</label>';
1455: $unlockcount ++;
1456: } else {
1457: $cellentry .= '<label><input type="checkbox" name="lockchg" value="'.$username.':'.$domain.'" /> '.&mt('Lock').'</label>';
1458: $lockcount ++;
1459: }
1460: $cellentry .= '</nobr></td></tr></table>';
1461: }
1462: $r->print("<td>$cellentry<td>\n ");
1463: } else {
1464: $r->print("<td>".(++$studentcount)."</td><td>\n ");
1465: }
1466: if ($linkto eq 'nothing') {
1467: $r->print($username);
1468: } elsif ($linkto eq 'aboutme') {
1469: $r->print(&Apache::loncommon::aboutmewrapper($username,
1470: $username,
1471: $domain));
1472: } elsif ($linkto eq 'modify') {
1473: $r->print('<a href="'.
1474: "javascript:document.studentform.sname.value='".
1475: $username.
1476: "';document.studentform.sdom.value='".$domain.
1477: "';document.studentform.state.value='selected".
1478: "';document.studentform.submit();".'">'.
1479: $username."</a>\n");
1480: }
1481: $r->print(<<"END");
1482: </td>
1483: <td>$domain</td>
1484: <td>$id</td>
1485: <td>$name</td>
1486: <td>$section</td>
1487: <td>$start</td>
1488: <td>$end</td>
1489: END
1490: if ($env{'course.'.$env{'request.course.id'}.
1491: '.internal.showphoto'}) {
1492: if ($displayphotos eq 'on') {
1493: my $imgurl =
1494: &Apache::lonnet::retrievestudentphoto($domain,
1495: $username,'gif',
1496: 'thumbnail');
1497:
1498: $r->print(' <td align="right"><a href="javascript:photowindow('."'".&Apache::lonnet::studentphoto($domain,$username,'jpg')."'".')"><img src="'.$imgurl.'" border="1"></a></td>');
1499: } else {
1500: $r->print(' <td> </td> ');
1501: }
1502: }
1503: $r->print(' </tr> ');
1504: } elsif ($mode eq 'csv') {
1505: next if (! defined($CSVfile));
1506: # no need to bother with $linkto
1507: if (! defined($start) || $start == 0) {
1508: $start = &mt('none');
1509: } else {
1510: $start = &Apache::lonlocal::locallocaltime($start);
1511: }
1512: if (! defined($end) || $end == 0) {
1513: $end = &mt('none');
1514: } else {
1515: $end = &Apache::lonlocal::locallocaltime($end);
1516: }
1517: my @line = ();
1518: foreach ($username,$domain,$id,$name,$section,$start,$end) {
1519: push @line,&Apache::loncommon::csv_translate($_);
1520: }
1521: if ($statusmode eq 'Any') {
1522: push @line,&Apache::loncommon::csv_translate($status);
1523: }
1524: print $CSVfile '"'.join('","',@line).'"'."\n";
1525: } elsif ($mode eq 'excel') {
1526: $excel_sheet->write($row,0,[$username,$domain,$id,
1527: $name,$section]);
1528: my $col = 5;
1529: foreach my $time ($start,$end) {
1530: if (defined($time) && $time != 0) {
1531: $excel_sheet->write($row,$col++,
1532: &Apache::lonstathelpers::calc_serial($time),
1533: $format->{'date'});
1534: } else {
1535: $excel_sheet->write($row,$col++,'none');
1536: }
1537: }
1538: $excel_sheet->write($row,$col++,$status);
1539: $row++;
1540: }
1541: }
1542: if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1543: $r->print('</table><br>');
1544: } elsif ($mode eq 'excel') {
1545: $excel_workbook->close();
1546: $r->print('<p><a href="'.$excel_filename.'">'.
1547: &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1548: } elsif ($mode eq 'csv') {
1549: close($CSVfile);
1550: $r->print('<a href="'.$CSVfilename.'">'.
1551: &mt('Your CSV file').'</a> is ready for download.'.
1552: "\n");
1553: $r->rflush();
1554: }
1555: if ($mode eq 'autoenroll') {
1556: return ($studentcount,$autocount,$manualcount,$lockcount,$unlockcount);
1557: }
1558: return;
1559: }
1560:
1561:
1562: #
1563: # print out form for modification of a single students data
1564: #
1565: sub print_modify_student_form {
1566: my $r = shift();
1567: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1568: ['sdom','sname']);
1569: my $sname = $env{'form.sname'};
1570: my $sdom = $env{'form.sdom'};
1571: my $sortby = $env{'form.sortby'};
1572: # determine the students name information
1573: my %info=&Apache::lonnet::get('environment',
1574: ['firstname','middlename',
1575: 'lastname','generation','id'],
1576: $sdom, $sname);
1577: my ($tmp) = keys(%info);
1578: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1579: $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1580: '<p>'.
1581: &mt('Unable to retrieve environment data for').' '.$sname.
1582: &mt('in domain').' '.$sdom.'</p><p>'.
1583: &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p>'.&Apache::loncommon::end_page());
1584: return;
1585: }
1586: # determine the students starting and ending times and section
1587: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1588: if ($starttime =~ /^error/) {
1589: $r->print('<h2>'&mt('Error').'</h2>');
1590: $r->print('<p>'.$starttime.'</p>');
1591: return;
1592: }
1593: #
1594: # Deal with date forms
1595: my $current_date_description = '';
1596: my $textdate = '';
1597:
1598: if (! defined($starttime) || $starttime == 0) {
1599: $current_date_description = &mt('Current Starting Date: not set').
1600: '<br />';
1601: } else {
1602: $current_date_description =
1603: &mt('Current Starting Date: [_1]',
1604: &Apache::lonlocal::locallocaltime($starttime)).'<br />';
1605: }
1606: if (! defined($endtime) || $endtime == 0) {
1607: $current_date_description.= &mt('Current Ending Date: not set').
1608: '<br />';
1609: } else {
1610: $current_date_description.=
1611: &mt('Current Ending Date: [_1]',
1612: &Apache::lonlocal::locallocaltime($endtime)).'<br />';
1613:
1614: }
1615: my $date_table = &date_setting_table($starttime,$endtime);
1616: #
1617: if (! exists($env{'form.Status'}) ||
1618: $env{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1619: $env{'form.Status'} = 'crap';
1620: }
1621: # Make sure student is enrolled in course
1622: my %lt=&Apache::lonlocal::texthash(
1623: 'mef' => "Modify Enrollment for",
1624: 'odcc' => "Only domain coordinators can change a users password.",
1625: 'sn' => "Student Name",
1626: 'fn' => "First",
1627: 'mn' => "Middle",
1628: 'ln' => "Last",
1629: 'gen' => "Generation",
1630: 'sid' => "Student ID",
1631: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1632: 'sec' => "Section",
1633: 'sm' => "Submit Modifications",
1634: );
1635: $r->print(<<END);
1636: <p>
1637: <font size="+1">
1638: $lt{'odcc'}
1639: </font>
1640: </p>
1641: <input type="hidden" name="slogin" value="$sname" />
1642: <input type="hidden" name="sdomain" value="$sdom" />
1643: <input type="hidden" name="action" value="modifystudent" />
1644: <input type="hidden" name="state" value="done" />
1645: <input type="hidden" name="sortby" value="$sortby" />
1646: <input type="hidden" name="Status" value="$env{'form.Status'}" />
1647: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'}
1648: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1649: <p>
1650: <b>$lt{'sn'}</b>
1651: <table>
1652: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1653: <tr><td>
1654: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1655: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1656: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1657: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1658: </table>
1659: </p><p>
1660: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1661: </p><p>
1662: <label>
1663: <input type="checkbox" name="forceid" >
1664: $lt{'disn'}
1665: </label>
1666: </p><p>
1667: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="14"/>
1668: </p>
1669: <p>$current_date_description</p>
1670: <p>$date_table</p>
1671: <input type="submit" value="$lt{'sm'}" />
1672: END
1673: $r->print(&Apache::loncommon::end_page());
1674: return;
1675: }
1676:
1677: #
1678: # modify a single students section
1679: #
1680: sub modify_single_student {
1681: my ($r) = @_;
1682: #
1683: # Remove non alphanumeric values from the section
1684: $env{'form.section'} =~ s/\W//g;
1685: #
1686: # Do the date defaults first
1687: my ($starttime,$endtime) = &get_dates_from_form();
1688: if ($env{'form.makedatesdefault'}) {
1689: $r->print(&make_dates_default($starttime,$endtime));
1690: }
1691: # Get the 'sortby' and 'Status' variables so the user goes back to their
1692: # previous screen
1693: my $sortby = $env{'form.sortby'};
1694: my $status = $env{'form.Status'};
1695: #
1696: # We always need this information
1697: my $slogin = $env{'form.slogin'};
1698: my $sdom = $env{'form.sdomain'};
1699: #
1700: # Get the old data
1701: my %old=&Apache::lonnet::get('environment',
1702: ['firstname','middlename',
1703: 'lastname','generation','id'],
1704: $sdom, $slogin);
1705: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1706: $env{'request.course.id'});
1707: my ($tmp) = keys(%old);
1708: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1709: $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1710: return;
1711: }
1712: undef $tmp;
1713: #
1714: # Get the new data
1715: my $firstname = $env{'form.firstname'};
1716: my $middlename = $env{'form.middlename'};
1717: my $lastname = $env{'form.lastname'};
1718: my $generation = $env{'form.generation'};
1719: my $section = $env{'form.section'};
1720: my $courseid = $env{'request.course.id'};
1721: my $sid = $env{'form.id'};
1722: my $displayable_starttime = localtime($starttime);
1723: my $displayable_endtime = localtime($endtime);
1724: #
1725: # check for forceid override
1726: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1727: ($sid ne $old{'id'}) && (! exists($env{'form.forceid'}))) {
1728: $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>");
1729: $sid = $old{'id'};
1730: }
1731: #
1732: # talk to the user about what we are going to do
1733: my %lt=&Apache::lonlocal::texthash(
1734: 'mdu' => "Modifying data for user",
1735: 'si' => "Student Information",
1736: 'fd' => "Field",
1737: 'ov' => "Old Value",
1738: 'nv' => "New Value",
1739: 'fn' => "First name",
1740: 'mn' => "Middle name",
1741: 'ln' => "Last name",
1742: 'gen' => "Generation",
1743: 'sec' => "Section",
1744: 'ri' => "Role Information",
1745: 'st' => "Start Time",
1746: 'et' => "End Time",
1747: );
1748: $r->print(<<END);
1749: <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
1750: <h3>$lt{'si'}</h3>
1751: <table rules="rows" border="1" cellpadding="3" >
1752: <tr>
1753: <th> $lt{'fd'} </th>
1754: <th> $lt{'ov'} </th>
1755: <th> $lt{'nv'} </th>
1756: </tr>
1757: <tr>
1758: <td> <b>$lt{'fn'}</b> </td>
1759: <td> $old{'firstname'} </td>
1760: <td> $firstname </td>
1761: </tr><tr>
1762: <td> <b>$lt{'mn'}</b> </td>
1763: <td> $old{'middlename'} </td>
1764: <td> $middlename </td>
1765: </tr><tr>
1766: <td> <b>$lt{'ln'}</b> </td>
1767: <td> $old{'lastname'} </td>
1768: <td> $lastname </td>
1769: </tr><tr>
1770: <td> <b>$lt{'gen'}</b> </td>
1771: <td> $old{'generation'} </td>
1772: <td> $generation </td>
1773: </tr><tr>
1774: <td> <b>ID</b> </td>
1775: <td> $old{'id'} </td>
1776: <td> $sid </td>
1777: </tr><tr>
1778: <td> <b>$lt{'sec'}</b> </td>
1779: <td> $old{'section'} </td>
1780: <td> $section</td>
1781: </tr>
1782: </table>
1783: <h3>$lt{'ri'}</h3>
1784: <table>
1785: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
1786: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime </td></tr>
1787: </table>
1788: <p>
1789: END
1790: #
1791: # Send request(s) to modify data (final undef is for 'desiredhost',
1792: # which is a moot point because the student already has an account.
1793: my $modify_section_results = &modifystudent($sdom,$slogin,
1794: $env{'request.course.id'},
1795: $section,undef);
1796: if ($modify_section_results !~ /^ok/) {
1797: $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1798: }
1799: my $roleresults = &Apache::lonnet::modifystudent
1800: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1801: $generation,$section,$endtime,$starttime,$env{'form.forceid'});
1802: if ($roleresults eq 'refused' ) {
1803: $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1804: } elsif ($roleresults !~ /ok/) {
1805: $r->print(&mt('An error occurred during the attempt to change the role information for this student.')." <br />".
1806: &mt('The error reported was')." ".
1807: $roleresults);
1808: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1809: " data for ".$slogin." \@ ".$sdom." by ".
1810: $env{'user.name'}." \@ ".$env{'user.domain'}.
1811: ":".$roleresults);
1812: } else { # everything is okay!
1813: $r->print(&mt('Student information updated successfully.')." <br />".
1814: &mt('The student must log out and log in again to see these changes.'));
1815: }
1816: my $Masd=&mt('Modify another students data');
1817: $r->print(<<END);
1818: </p><p>
1819: <input type="hidden" name="action" value="modifystudent" />
1820: <input type="hidden" name="sortby" value="$sortby" />
1821: <input type="hidden" name="Status" value="$status" />
1822: <a href="javascript:document.studentform.submit();">$Masd</a>
1823: END
1824: $r->print(&Apache::loncommon::end_page());
1825: return;
1826: }
1827:
1828: sub get_enrollment_data {
1829: my ($sname,$sdomain) = @_;
1830: my $courseid = $env{'request.course.id'};
1831: $courseid =~ s:_:/:g;
1832: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1833: my ($tmp) = keys(%roles);
1834: # Bail out if we were unable to get the students roles
1835: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1836: # Go through the roles looking for enrollment in this course
1837: my ($end,$start) = (undef,undef);
1838: my $section = '';
1839: my $count = scalar(keys(%roles));
1840: while (my ($course,$role) = each(%roles)) {
1841: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1842: #
1843: # Get active role
1844: $section=$1;
1845: (undef,$end,$start)=split(/\_/,$role);
1846: my $now=time;
1847: my $notactive=0;
1848: if ($start) {
1849: if ($now<$start) { $notactive=1; }
1850: }
1851: if ($end) {
1852: if ($now>$end) { $notactive=1; }
1853: }
1854: unless ($notactive) { return ($start,$end,$section); }
1855: }
1856: }
1857: return ($start,$end,$section);
1858: }
1859:
1860: #################################################
1861: #################################################
1862:
1863: =pod
1864:
1865: =item show_drop_list
1866:
1867: Display a list of students to drop
1868: Inputs:
1869:
1870: =over 4
1871:
1872: =item $r, Apache request
1873:
1874: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1875:
1876: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1877: which describes the order elements are stored in the %$classlist values.
1878:
1879: =item $nosort, if true, sorting links are omitted.
1880:
1881: =back
1882:
1883: =cut
1884:
1885: #################################################
1886: #################################################
1887: sub show_drop_list {
1888: my ($r,$classlist,$keylist,$nosort)=@_;
1889: my $cid=$env{'request.course.id'};
1890: if (! exists($env{'form.sortby'})) {
1891: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1892: ['sortby']);
1893: }
1894: my $sortby = $env{'form.sortby'};
1895: if ($sortby !~ /^(username|domain|section|fullname|id|start|end)$/) {
1896: $sortby = 'username';
1897: }
1898: #
1899: my $action = "drop";
1900: $r->print(<<END);
1901: <input type="hidden" name="sortby" value="$sortby" />
1902: <input type="hidden" name="action" value="$action" />
1903: <input type="hidden" name="state" value="done" />
1904: <script>
1905: function checkAll(field) {
1906: for (i = 0; i < field.length; i++)
1907: field[i].checked = true ;
1908: }
1909:
1910: function uncheckAll(field) {
1911: for (i = 0; i < field.length; i++)
1912: field[i].checked = false ;
1913: }
1914: </script>
1915: <p>
1916: <input type="hidden" name="phase" value="four">
1917: END
1918:
1919: my %lt=&Apache::lonlocal::texthash('usrn' => "username",
1920: 'dom' => "domain",
1921: 'sn' => "student name",
1922: 'sec' => "section",
1923: 'start' => "start date",
1924: 'end' => "end date",
1925: );
1926: if ($nosort) {
1927: $r->print(<<END);
1928: <table border=2>
1929: <tr>
1930: <th> </th>
1931: <th>$lt{'usrn'}</th>
1932: <th>$lt{'dom'}</th>
1933: <th>ID</th>
1934: <th>$lt{'sn'}</th>
1935: <th>$lt{'sec'}</th>
1936: <th>$lt{'start'}</th>
1937: <th>$lt{'end'}</th>
1938: </tr>
1939: END
1940:
1941: } else {
1942: $r->print(<<END);
1943: <table border=2>
1944: <tr><th> </th>
1945: <th>
1946: <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
1947: </th><th>
1948: <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
1949: </th><th>
1950: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1951: </th><th>
1952: <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
1953: </th><th>
1954: <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
1955: </th><th>
1956: <a href="/adm/dropadd?action=$action&sortby=start">$lt{'start'}</a>
1957: </th><th>
1958: <a href="/adm/dropadd?action=$action&sortby=end">$lt{'end'}</a>
1959: </th>
1960: </tr>
1961: END
1962: }
1963: #
1964: # Sort the students
1965: my %index;
1966: my $i;
1967: foreach (@$keylist) {
1968: $index{$_} = $i++;
1969: }
1970: my $index = $index{$sortby};
1971: my $second = $index{'username'};
1972: my $third = $index{'domain'};
1973: my @Sorted_Students = sort {
1974: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1975: ||
1976: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1977: ||
1978: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1979: } (keys(%$classlist));
1980: foreach my $student (@Sorted_Students) {
1981: my $error;
1982: my $sdata = $classlist->{$student};
1983: my $username = $sdata->[$index{'username'}];
1984: my $domain = $sdata->[$index{'domain'}];
1985: my $section = $sdata->[$index{'section'}];
1986: my $name = $sdata->[$index{'fullname'}];
1987: my $id = $sdata->[$index{'id'}];
1988: my $start = $sdata->[$index{'start'}];
1989: my $end = $sdata->[$index{'end'}];
1990: if (! defined($start) || $start == 0) {
1991: $start = &mt('none');
1992: } else {
1993: $start = &Apache::lonlocal::locallocaltime($start);
1994: }
1995: if (! defined($end) || $end == 0) {
1996: $end = &mt('none');
1997: } else {
1998: $end = &Apache::lonlocal::locallocaltime($end);
1999: }
2000: my $status = $sdata->[$index{'status'}];
2001: next if ($status ne 'Active');
2002: #
2003: $r->print(<<"END");
2004: <tr>
2005: <td><input type="checkbox" name="droplist" value="$student"></td>
2006: <td>$username</td>
2007: <td>$domain</td>
2008: <td>$id</td>
2009: <td>$name</td>
2010: <td>$section</td>
2011: <td>$start</td>
2012: <td>$end</td>
2013: </tr>
2014: END
2015: }
2016: $r->print('</table><br>');
2017: %lt=&Apache::lonlocal::texthash(
2018: 'dp' => "Drop Students",
2019: 'ca' => "check all",
2020: 'ua' => "uncheck all",
2021: );
2022: $r->print(<<"END");
2023: </p><p>
2024: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)">
2025: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)">
2026: <p><input type=submit value="$lt{'dp'}"></p>
2027: END
2028: return;
2029: }
2030:
2031: #
2032: # Print out the initial form to get the courselist file
2033: #
2034: sub print_first_courselist_upload_form {
2035: my $r=shift;
2036: my $str;
2037: $str = '<input type="hidden" name="phase" value="two">';
2038: $str .= '<input type="hidden" name="action" value="upload" />';
2039: $str .= '<input type="hidden" name="state" value="got_file" />';
2040: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
2041: $str .= &Apache::loncommon::upfile_select_html();
2042: $str .= "<p>\n";
2043: $str .= '<input type="submit" name="fileupload" value="'.
2044: &mt('Upload class list').'">'."\n";
2045: $str .= '<label><input type="checkbox" name="noFirstLine" /> '.
2046: &mt('Ignore First Line')."</label></p>\n";
2047: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
2048: &mt("How do I create a class list from a spreadsheet")).
2049: "<br />\n";
2050: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
2051: &mt("How do I create a CSV file from a spreadsheet")).
2052: "<br />\n";
2053: $str .= &Apache::loncommon::end_page();
2054: $r->print($str);
2055: return;
2056: }
2057:
2058: # ================================================= Drop/Add from uploaded file
2059: sub upfile_drop_add {
2060: my $r=shift;
2061: &Apache::loncommon::load_tmp_file($r);
2062: my @studentdata=&Apache::loncommon::upfile_record_sep();
2063: if($env{'form.noFirstLine'}){shift(@studentdata);}
2064: my @keyfields = split(/\,/,$env{'form.keyfields'});
2065: my $cid = $env{'request.course.id'};
2066: my %fields=();
2067: for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
2068: if ($env{'form.upfile_associate'} eq 'reverse') {
2069: if ($env{'form.f'.$i} ne 'none') {
2070: $fields{$keyfields[$i]}=$env{'form.f'.$i};
2071: }
2072: } else {
2073: $fields{$env{'form.f'.$i}}=$keyfields[$i];
2074: }
2075: }
2076: #
2077: # Store the field choices away
2078: foreach my $field (qw/username names
2079: fname mname lname gen id sec ipwd email/) {
2080: $env{'form.'.$field.'_choice'}=$fields{$field};
2081: }
2082: &Apache::loncommon::store_course_settings('enrollment_upload',
2083: { 'username_choice' => 'scalar',
2084: 'names_choice' => 'scalar',
2085: 'fname_choice' => 'scalar',
2086: 'mname_choice' => 'scalar',
2087: 'lname_choice' => 'scalar',
2088: 'gen_choice' => 'scalar',
2089: 'id_choice' => 'scalar',
2090: 'sec_choice' => 'scalar',
2091: 'ipwd_choice' => 'scalar',
2092: 'email_choice' => 'scalar' });
2093:
2094: #
2095: my ($startdate,$enddate) = &get_dates_from_form();
2096: if ($env{'form.makedatesdefault'}) {
2097: $r->print(&make_dates_default($startdate,$enddate));
2098: }
2099: # Determine domain and desired host (home server)
2100: my $domain=$env{'form.lcdomain'};
2101: my $desiredhost = $env{'form.lcserver'};
2102: if (lc($desiredhost) eq 'default') {
2103: $desiredhost = undef;
2104: } else {
2105: my %home_servers = &Apache::loncommon::get_library_servers($domain);
2106: if (! exists($home_servers{$desiredhost})) {
2107: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
2108: &mt('Invalid home server specified'));
2109: $r->print(&Apache::loncommon::end_page());
2110: return;
2111: }
2112: }
2113: # Determine authentication mechanism
2114: my $amode = '';
2115: my $genpwd = '';
2116: if ($env{'form.login'} eq 'krb') {
2117: $amode='krb';
2118: $amode.=$env{'form.krbver'};
2119: $genpwd=$env{'form.krbarg'};
2120: } elsif ($env{'form.login'} eq 'int') {
2121: $amode='internal';
2122: if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
2123: $genpwd=$env{'form.intarg'};
2124: }
2125: } elsif ($env{'form.login'} eq 'loc') {
2126: $amode='localauth';
2127: if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
2128: $genpwd=$env{'form.locarg'};
2129: }
2130: }
2131: if ($amode =~ /^krb/) {
2132: if (! defined($genpwd) || $genpwd eq '') {
2133: $r->print('<font color="red" size="+1">'.
2134: &mt('Unable to enroll students').'</font> '.
2135: &mt('No Kerberos domain was specified.').'</p>');
2136: $amode = ''; # This causes the loop below to be skipped
2137: }
2138: }
2139: unless (($domain=~/\W/) || ($amode eq '')) {
2140: #######################################
2141: ## Enroll Students ##
2142: #######################################
2143: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
2144: my $count=0;
2145: my $flushc=0;
2146: my %student=();
2147: # Get new classlist
2148: foreach (@studentdata) {
2149: my %entries=&Apache::loncommon::record_sep($_);
2150: # Determine student name
2151: unless (($entries{$fields{'username'}} eq '') ||
2152: (!defined($entries{$fields{'username'}}))) {
2153: my ($fname, $mname, $lname,$gen) = ('','','','');
2154: if (defined($fields{'names'})) {
2155: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
2156: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
2157: } else {
2158: if (defined($fields{'fname'})) {
2159: $fname=$entries{$fields{'fname'}};
2160: }
2161: if (defined($fields{'mname'})) {
2162: $mname=$entries{$fields{'mname'}};
2163: }
2164: if (defined($fields{'lname'})) {
2165: $lname=$entries{$fields{'lname'}};
2166: }
2167: if (defined($fields{'gen'})) {
2168: $gen=$entries{$fields{'gen'}};
2169: }
2170: }
2171: if ($entries{$fields{'username'}}=~/\W/) {
2172: $r->print('<br />'.
2173: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
2174: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
2175: '</b>');
2176: } else {
2177: # determine section number
2178: my $sec='';
2179: my $username=$entries{$fields{'username'}};
2180: if (defined($fields{'sec'})) {
2181: if (defined($entries{$fields{'sec'}})) {
2182: $sec=$entries{$fields{'sec'}};
2183: }
2184: }
2185: # remove non alphanumeric values from section
2186: $sec =~ s/\W//g;
2187: # determine student id number
2188: my $id='';
2189: if (defined($fields{'id'})) {
2190: if (defined($entries{$fields{'id'}})) {
2191: $id=$entries{$fields{'id'}};
2192: }
2193: $id=~tr/A-Z/a-z/;
2194: }
2195: # determine email address
2196: my $email='';
2197: if (defined($fields{'email'})) {
2198: if (defined($entries{$fields{'email'}})) {
2199: $email=$entries{$fields{'email'}};
2200: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
2201: }
2202: }
2203: # determine student password
2204: my $password='';
2205: if ($genpwd) {
2206: $password=$genpwd;
2207: } else {
2208: if (defined($fields{'ipwd'})) {
2209: if ($entries{$fields{'ipwd'}}) {
2210: $password=$entries{$fields{'ipwd'}};
2211: }
2212: }
2213: }
2214: # Clean up whitespace
2215: foreach (\$domain,\$username,\$id,\$fname,\$mname,
2216: \$lname,\$gen,\$sec) {
2217: $$_ =~ s/(\s+$|^\s+)//g;
2218: }
2219: if ($password || $env{'form.login'} eq 'loc') {
2220: &modifystudent($domain,$username,$cid,$sec,
2221: $desiredhost);
2222: my $reply=&Apache::lonnet::modifystudent
2223: ($domain,$username,$id,$amode,$password,
2224: $fname,$mname,$lname,$gen,$sec,$enddate,
2225: $startdate,$env{'form.forceid'},$desiredhost,
2226: $email);
2227: if ($reply ne 'ok') {
2228: $reply =~ s/^error://;
2229: $r->print('<br />'.
2230: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
2231: } else {
2232: $count++; $flushc++;
2233: $student{$username}=1;
2234: $r->print('. ');
2235: if ($flushc>15) {
2236: $r->rflush;
2237: $flushc=0;
2238: }
2239: }
2240: } else {
2241: $r->print('<br />'.
2242: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
2243: );
2244: }
2245: }
2246: }
2247: } # end of foreach (@studentdata)
2248: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
2249: "</p>\n");
2250: $r->print("<p>\n".
2251: &mt('If active, the new role will be available when the '.
2252: 'students next log in to LON-CAPA.')."</p>\n");
2253: #####################################
2254: # Drop students #
2255: #####################################
2256: if ($env{'form.fullup'} eq 'yes') {
2257: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
2258: # Get current classlist
2259: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
2260: if (! defined($classlist)) {
2261: $r->print(&mt('There are no students currently enrolled.').
2262: "\n");
2263: } else {
2264: # Remove the students we just added from the list of students.
2265: foreach (@studentdata) {
2266: my %entries=&Apache::loncommon::record_sep($_);
2267: unless (($entries{$fields{'username'}} eq '') ||
2268: (!defined($entries{$fields{'username'}}))) {
2269: delete($classlist->{$entries{$fields{'username'}}.
2270: ':'.$domain});
2271: }
2272: }
2273: # Print out list of dropped students.
2274: &show_drop_list($r,$classlist,$keylist,'nosort');
2275: }
2276: }
2277: } # end of unless
2278: }
2279:
2280: # ================================================================== Phase four
2281: sub drop_student_list {
2282: my $r=shift;
2283: my $count=0;
2284: my @droplist = &Apache::loncommon::get_env_multiple('form.droplist');
2285: foreach (@droplist) {
2286: my ($uname,$udom)=split(/\:/,$_);
2287: # drop student
2288: my $result = &modifystudent($udom,$uname,$env{'request.course.id'});
2289: if ($result eq 'ok' || $result eq 'ok:') {
2290: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
2291: $count++;
2292: } else {
2293: $r->print(
2294: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
2295: '<br />');
2296: }
2297: }
2298: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
2299: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
2300: }
2301:
2302: ###################################################################
2303: ###################################################################
2304:
2305: =pod
2306:
2307: =item &handler
2308:
2309: The typical handler you see in all these modules. Takes $r, the
2310: http request, as an argument.
2311:
2312: The response to the request is governed by two form variables
2313:
2314: form.action form.state response
2315: ---------------------------------------------------
2316: undefined undefined print main menu
2317: upload undefined print courselist upload menu
2318: upload got_file deal with uploaded file,
2319: print the upload managing menu
2320: upload enrolling enroll students based on upload
2321: drop undefined print the classlist ready to drop
2322: drop done drop the selected students
2323: enrollstudent undefined print student username domain form
2324: enrollstudent gotusername print single student enroll menu
2325: enrollstudent enrolling enroll student
2326: classlist undefined print html classlist
2327: classlist csv print csv classlist
2328: modifystudent undefined print classlist to select student to modify
2329: modifystudent selected print modify student menu
2330: modifystudent done make modifications to student record
2331:
2332: =cut
2333:
2334: ###################################################################
2335: ###################################################################
2336: sub handler {
2337: my $r=shift;
2338: if ($r->header_only) {
2339: &Apache::loncommon::content_type($r,'text/html');
2340: $r->send_http_header;
2341: return OK;
2342: }
2343: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2344: ['action','state']);
2345:
2346: &Apache::lonhtmlcommon::clear_breadcrumbs();
2347: &Apache::lonhtmlcommon::add_breadcrumb
2348: ({href=>"/adm/dropadd",
2349: text=>"Enrollment Manager",
2350: faq=>9,bug=>'Instructor Interface',});
2351: # Needs to be in a course
2352: if (! ($env{'request.course.fn'})) {
2353: # Not in a course
2354: $env{'user.error.msg'}=
2355: "/adm/dropadd:cst:0:0:Cannot manage or view course groups, ".
2356: "or drop or add students";
2357: return HTTP_NOT_ACCEPTABLE;
2358: }
2359: #
2360: my $view_permission =
2361: &Apache::lonnet::allowed('vcl',$env{'request.course.id'});
2362: my $enrl_permission =
2363: &Apache::lonnet::allowed('cst',$env{'request.course.id'});
2364:
2365: my $grp_view_permission =
2366: &Apache::lonnet::allowed('vcg',$env{'request.course.id'});
2367: my $grp_manage_permission =
2368: &Apache::lonnet::allowed('mdg',$env{'request.course.id'});
2369:
2370:
2371: if (! $grp_view_permission && ! $grp_manage_permission &&
2372: ! $view_permission && ! $enrl_permission) {
2373: $env{'user.error.msg'}=
2374: "/adm/coursegroups:cst:0:0:Cannot manage or view course groups, ".
2375: "or drop or add students";
2376: return HTTP_NOT_ACCEPTABLE;
2377: }
2378:
2379: #
2380: # Only output the header information if they did not request csv format
2381: #
2382: # Start page
2383: &Apache::loncommon::content_type($r,'text/html');
2384: $r->send_http_header;
2385: $r->print(&header());
2386: #
2387: # Main switch on form.action and form.state, as appropriate
2388: if (! exists($env{'form.action'})) {
2389: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2390: (undef,'Enrollment Manager'));
2391: &print_main_menu($r,$enrl_permission,$view_permission,$grp_manage_permission,
2392: $grp_view_permission);
2393: } elsif ($env{'form.action'} eq 'upload' && $enrl_permission) {
2394: &Apache::lonhtmlcommon::add_breadcrumb
2395: ({href=>'/adm/dropadd?action=upload&state=',
2396: text=>"Upload Classlist"});
2397: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2398: (undef,'Upload Classlist','Course_Create_Class_List'));
2399: if (! exists($env{'form.state'})) {
2400: &print_first_courselist_upload_form($r);
2401: } elsif ($env{'form.state'} eq 'got_file') {
2402: &print_upload_manager_form($r);
2403: } elsif ($env{'form.state'} eq 'enrolling') {
2404: if ($env{'form.datatoken'}) {
2405: &upfile_drop_add($r);
2406: } else {
2407: # Hmmm, this is an error
2408: }
2409: } else {
2410: &print_first_courselist_upload_form($r);
2411: }
2412: } elsif ($env{'form.action'} eq 'drop' && $enrl_permission) {
2413: &Apache::lonhtmlcommon::add_breadcrumb
2414: ({href=>'/adm/dropadd?action=drop',
2415: text=>"Drop Students"});
2416: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2417: (undef,'Drop Students','Course_Drop_Student'));
2418: if (! exists($env{'form.state'})) {
2419: &print_drop_menu($r);
2420: } elsif ($env{'form.state'} eq 'done') {
2421: &drop_student_list($r);
2422: } else {
2423: &print_drop_menu($r);
2424: }
2425: } elsif ($env{'form.action'} eq 'enrollstudent' && $enrl_permission) {
2426: &Apache::lonhtmlcommon::add_breadcrumb
2427: ({href=>'/adm/dropadd?action=enrollstudent',
2428: text=>"Enroll Student"});
2429: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2430: (undef,'Enroll Student','Course_Add_Student'));
2431: if (! exists($env{'form.state'})) {
2432: &get_student_username_domain_form($r);
2433: } elsif ($env{'form.state'} eq 'gotusername') {
2434: &print_enroll_single_student_form($r);
2435: } elsif ($env{'form.state'} eq 'enrolling') {
2436: &enroll_single_student($r);
2437: } else {
2438: &get_student_username_domain_form($r);
2439: }
2440: } elsif ($env{'form.action'} eq 'classlist' && $view_permission) {
2441: &Apache::lonhtmlcommon::add_breadcrumb
2442: ({href=>'/adm/dropadd?action=classlist',
2443: text=>"View Classlist"});
2444: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2445: (undef,'View Classlist','Course_View_Class_List'));
2446: if (! exists($env{'form.state'})) {
2447: &print_html_classlist($r,undef);
2448: } elsif ($env{'form.state'} eq 'csv') {
2449: &print_html_classlist($r,'csv');
2450: } elsif ($env{'form.state'} eq 'excel') {
2451: &print_html_classlist($r,'excel');
2452: } else {
2453: &print_html_classlist($r,undef);
2454: }
2455: } elsif ($env{'form.action'} eq 'modifystudent' && $enrl_permission) {
2456: &Apache::lonhtmlcommon::add_breadcrumb
2457: ({href=>'/adm/dropadd?action=modifystudent',
2458: text=>"Modify Student Data"});
2459: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2460: (undef,'Modify Student Data','Course_Modify_Student_Data'));
2461: if (! exists($env{'form.state'})) {
2462: &print_html_classlist($r);
2463: } elsif ($env{'form.state'} eq 'selected') {
2464: &print_modify_student_form($r);
2465: } elsif ($env{'form.state'} eq 'done') {
2466: &modify_single_student($r);
2467: } else {
2468: &print_html_classlist($r);
2469: }
2470: } else {
2471: # We should not end up here, but I guess it is possible
2472: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
2473: "form.action = ".$env{'form.action'}.
2474: "Someone should fix this.");
2475: $r->print(&Apache::lonhtmlcommon::breadcrumbs
2476: (undef,'Enrollment Manager'));
2477: &print_main_menu($r,$enrl_permission,$view_permission);
2478: }
2479: #
2480: # Finish up
2481: $r->print('</form>'.&Apache::loncommon::end_page());
2482: return OK;
2483: }
2484:
2485: ###################################################################
2486: ###################################################################
2487:
2488: 1;
2489: __END__
2490:
2491:
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