Annotation of loncom/interface/londropadd.pm, revision 1.2
1.1 www 1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # (Handler to set parameters for assessments
5: #
6: # (Handler to resolve ambiguous file locations
7: #
8: # (TeX Content Handler
9: #
10: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
11: #
12: # 10/11,10/12,10/16 Gerd Kortemeyer)
13: #
14: # 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28,
15: # 12/08,12/12 Gerd Kortemeyer)
16: #
17: # 12/26 Gerd Kortemeyer
18:
19: package Apache::londropadd;
20:
21: use strict;
22: use Apache::lonnet;
23: use Apache::Constants qw(:common :http REDIRECT);
24:
25:
26: # ================================================================ Main Handler
27:
28: sub handler {
29: my $r=shift;
30:
31: if ($r->header_only) {
32: $r->content_type('text/html');
33: $r->send_http_header;
34: return OK;
35: }
36:
37: # ----------------------------------------------------- Needs to be in a course
38:
39: if (($ENV{'request.course.fn'}) &&
40: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {
41:
42: # ------------------------------------------------------------------ Start page
43: $r->content_type('text/html');
44: $r->send_http_header;
45: $r->print(<<ENDHEAD);
46: <html>
47: <head>
48: <title>LON-CAPA Student Drop/Add</title>
49: </head>
50: <body bgcolor="#FFFFFF">
51: <img align=right src=/adm/lonIcons/lonlogos.gif>
52: <h1>Drop/Add Students</h1>
53: <form method="post" enctype="multipart/form-data"
54: action="/adm/dropadd" name="studentform">
55: <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
56: ENDHEAD
1.2 ! www 57: # --------------------------------------------------- Phase one, initial screen
! 58: unless ($ENV{'form.phase'}) {
! 59: $r->print(<<ENDUPFORM);
! 60: <input type=hidden name=phase value=two>
! 61: <hr>
! 62: <h3>Upload a courselist</h3>
! 63: <input type=file name=upfile size=50>
! 64: <br>Type: <select name=upfiletype>
! 65: <option value=csv>CSV (comma separated values, spreadsheet)</option>
! 66: <option value=space>Space separated</option>
! 67: <option value=tab>Tabulator separated</option>
! 68: <option value=xml>HTML/XML</option>
! 69: </select>
! 70: <p><input type=submit name=fileupload value="Upload Courselist">
! 71: <hr>
! 72: <h3>Enroll a single student</h3>
! 73: <p><input type=submit name=enroll value="Enroll Student">
! 74: <hr>
! 75: <h3>Drop a student</h3>
! 76: <p><input type=submit name=drop value="Drop Student">
! 77: ENDUPFORM
! 78: }
! 79: # ------------------------------------------------------------------- Phase two
! 80: if ($ENV{'form.phase'} eq 'two') {
! 81: if ($ENV{'form.fileupload'}) {
! 82: my $datatoken=Apache::lonnet::reply(
! 83: 'tmpput:'.Apache::lonnet::escape($ENV{'form.upfile'}),
! 84: $r->dir_config('lonHostID'));
! 85: my $separator='';
! 86: my $remove='';
! 87: if ($ENV{'form.upfiletype'} eq 'csv') {
! 88: $separator='\"\,\s*\"';
! 89: $remove='"';
! 90: } elsif ($ENV{'form.upfiletype'} eq 'space') {
! 91: $separator='\s+';
! 92: } elsif ($ENV{'form.upfiletype'} eq 'tab') {
! 93: $separator='\t+';
! 94: } elsif ($ENV{'form.upfiletype'} eq 'xml') {
! 95: }
! 96: my @lines=split(/\n/,$ENV{'form.upfile'});
! 97: my $total=$#lines+1;
! 98: $r->print(<<ENDPICK);
! 99: <input type=hidden name=phase value=three>
! 100: <input type=hidden name=datatoken value="$datatoken">
! 101: <input type=hidden name=upfiletype value=$ENV{'form.upfiletype'}>
! 102: <hr>
! 103: <h3>Identify fields</h3>
! 104: Total number of students: $total
! 105: <table border=2><tr><th>Field</th><th>Samples</th></tr>
! 106: ENDPICK
! 107: my @sone; my @stwo; my @sthree; my $nfields=0;
! 108: if ($#lines>=0) {
! 109: $lines[0]=~s/^$remove//;
! 110: $lines[0]=~s/$remove$//;
! 111: @sone=split(/$separator/,$lines[0]);
! 112: $nfields=$#sone;
! 113: if ($#lines>=1) {
! 114: $lines[1]=~s/^$remove//;
! 115: $lines[1]=~s/$remove$//;
! 116: @stwo=split(/$separator/,$lines[1]);
! 117: $nfields=$#stwo;
! 118: }
! 119: if ($#lines>=2) {
! 120: $lines[2]=~s/^$remove//;
! 121: $lines[2]=~s/$remove$//;
! 122: @sthree=split(/$separator/,$lines[2]);
! 123: $nfields=$#sthree;
! 124: }
! 125: my $i;
! 126: for ($i=0;$i<=$nfields;$i++) {
! 127: $r->print('<tr><td><select name=f'.$i.'>');
! 128: map {
! 129: my ($value,$display)=split(/\:/,$_);
! 130: $r->print('<option value='.$value.'>'.$display.
! 131: '</option>');
! 132: } ('none: ','username:Username',
! 133: 'names:Last Name, First Names',
! 134: 'fname:First Name','mname:Middle Names/Initials',
! 135: 'lname:Last Name','gen:Generation',
! 136: 'id:ID/Student Number','sec:Group/Section');
! 137: $r->print('</select></td><td>');
! 138: if (defined($sone[$i])) {
! 139: $r->print($sone[$i]."</br>\n");
! 140: }
! 141: if (defined($stwo[$i])) {
! 142: $r->print($stwo[$i]."</br>\n");
! 143: }
! 144: if (defined($sthree[$i])) {
! 145: $r->print($sthree[$i]."</br>\n");
! 146: }
! 147: $r->print('</td></tr>');
! 148: }
! 149: }
! 150: $r->print(
! 151: '</table><p><input type=submit value="Submit Field Selection">');
! 152: } elsif ($ENV{'form.enroll'}) {
! 153: } elsif ($ENV{'form.drop'}) {
! 154: }
! 155: }
! 156: # ----------------------------------------------------------------- Phase three
! 157: if ($ENV{'form.phase'} eq 'three') {
! 158: if ($ENV{'form.datatoken'}) {
! 159: my $separator='';
! 160: my $remove='';
! 161: if ($ENV{'form.upfiletype'} eq 'csv') {
! 162: $separator='\"\,\s*\"';
! 163: $remove='"';
! 164: } elsif ($ENV{'form.upfiletype'} eq 'space') {
! 165: $separator='\s+';
! 166: } elsif ($ENV{'form.upfiletype'} eq 'tab') {
! 167: $separator='\t+';
! 168: } elsif ($ENV{'form.upfiletype'} eq 'xml') {
! 169: }
! 170: map {
! 171: my $line=$_;
! 172: $line=~s/^$remove//;
! 173: $line=~s/$remove$//;
! 174: my @entries=split(/$separator/,$line);
! 175: $r->print($entries[8].'<br>');
! 176: } split(/\n/,
! 177: &Apache::lonnet::unescape(Apache::lonnet::reply(
! 178: 'tmpget:'.$ENV{'form.datatoken'},$r->dir_config('lonHostID')))
! 179: );
! 180:
! 181: }
! 182: }
! 183: # ------------------------------------------------------------------------- End
1.1 www 184: $r->print('</form></body></html>');
185: } else {
186: # ----------------------------- Not in a course, or not allowed to modify parms
187: $ENV{'user.error.msg'}=
188: "/adm/dropadd:cst:0:0:Cannot drop or add students";
189: return HTTP_NOT_ACCEPTABLE;
190: }
191: return OK;
192: }
193:
194: 1;
195: __END__
196:
197:
198:
199:
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