Annotation of loncom/interface/lonannounce.pm, revision 1.9
1.1 www 1: # The LearningOnline Network
1.2 www 2: # Announce
1.1 www 3: #
1.9 ! www 4: # $Id: lonannounce.pm,v 1.8 2003/04/30 15:49:45 matthew Exp $
1.1 www 5: #
1.3 www 6: # Copyright Michigan State University Board of Trustees
1.1 www 7: #
1.3 www 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
1.1 www 9: #
1.3 www 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.
1.1 www 14: #
1.3 www 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:
1.2 www 29: package Apache::lonannounce;
1.1 www 30:
31: use strict;
32: use Apache::Constants qw(:common);
1.3 www 33: use Apache::loncommon;
1.8 matthew 34: use Apache::lonhtmlcommon();
1.3 www 35:
36: sub readcalendar {
37: my $courseid=shift;
38: my $coursenum=$ENV{'course.'.$courseid.'.num'};
39: my $coursedom=$ENV{'course.'.$courseid.'.domain'};
40: my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
41: my %returnhash=();
42: foreach (keys %thiscal) {
43: unless (($_=~/^error\:/) || ($thiscal{$_}=~/^error\:/)) {
44: $returnhash{$courseid.'@'.$_}=$thiscal{$_};
45: }
46: }
47: return %returnhash;
48: }
49:
50: sub emptycell {
51: return '<td bgcolor="#AAAAAA"> </td>';
52: }
53:
54: sub normalcell {
55: my ($day,$text)=@_;
1.4 www 56: my $output='';
57: foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) {
58: if ($_) {
1.5 www 59: my ($courseid,$start,$end,@msg)=split(/\@/,$_);
60: my $msg=join('@',@msg);
1.4 www 61: my $fullmsg=$ENV{'course.'.$courseid.'.description'}.': '.$msg;
1.5 www 62: if ($courseid eq $ENV{'request.course.id'}) {
63: if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
64: $output.='<input type="checkbox" name="remove_'.$start.'_'.
65: $end.'">';
66: }
67: }
68: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.4 www 69: substr($msg,0,20).'...</a><br>';
70: }
71: }
72: return '<td><b>'.$day.'</b><br>'.$output.'</td>';
1.3 www 73: }
74:
75: sub nextday {
76: my %th=@_;
77: $th{'day'}++;
78: return (&Apache::loncommon::maketime(%th),$th{'month'});
79: }
80:
81: sub showday {
82: my ($tk,%allcal)=@_;
83: my %th=&Apache::loncommon::timehash($tk);
84: my ($nextday,$nextmonth)=&nextday(%th);
85: my $outp='';
1.4 www 86: my $oneday=24*3600;
1.3 www 87: foreach (keys %allcal) {
88: my ($course,$startdate,$enddate)=($_=~/^(\w+)\@(\d+)\_(\d+)$/);
1.4 www 89: if (($startdate<$nextday) && ($enddate>$tk)) {
1.5 www 90: $outp.='___&&&___'.$course.'@'.$startdate.'@'.$enddate.'@'.
91: $allcal{$_};
1.3 www 92: }
93: }
94: return ($nextday,$nextmonth,&normalcell($th{'day'},$outp));
95: }
1.1 www 96:
97: sub handler {
98: my $r = shift;
99: $r->content_type('text/html');
100: $r->send_http_header;
101: return OK if $r->header_only;
102:
1.3 www 103: # ---------------------------------------------------------- Get time right now
104: my $today=time;
105: my %todayhash=&Apache::loncommon::timehash($today);
106:
107: # ---------------------------------------------------------- Get month and year
108: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
109: ['month','year']);
110: # --------------------------------------------------- Decide what month to show
111: my $year=$todayhash{'year'};
112: if ($ENV{'form.year'}) { $year=$ENV{'form.year'}; }
113: my $month=$todayhash{'month'};
114: if ($ENV{'form.month'}) { $month=$ENV{'form.month'}; }
115: # --------------------------------------------- Find out first day of the month
116:
117: my %firstday=&Apache::loncommon::timehash(
118: &Apache::loncommon::maketime( 'day' => 1, 'month'=> $month,
119: 'year' => $year, 'hours' => 0,
120: 'minutes' => 0, 'seconds' => 0,
121: 'dlsav' => $todayhash{'dlsav'} ));
122: my $weekday=$firstday{'weekday'};
123: # ------------------------------------------------------------ Print the screen
1.9 ! www 124:
1.1 www 125: $r->print(<<ENDDOCUMENT);
126: <html>
127: <head>
128: <title>The LearningOnline Network with CAPA</title>
1.3 www 129: <script>
130:
131: function trysubmit() {
132: document.anno.action.value="new";
133: document.anno.submit();
134: }
135:
136: function removesub() {
137: document.anno.action.value="del";
138: document.anno.submit();
139: }
140: </script>
1.1 www 141: </head>
142: ENDDOCUMENT
1.6 www 143: $r->print(&Apache::loncommon::bodytag("Announcements and Calendar"));
1.3 www 144: # does this user have privileges to post, etc?
145: my $allowed=0;
146: if ($ENV{'request.course.id'}) {
147: $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
148: }
149:
150: if ($allowed) {
151: my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
152: my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
153: # ----------------------------------------------------- Store new submitted one
154: if ($ENV{'form.action'} eq 'new') {
1.9 ! www 155: my $startdate =
! 156: &Apache::lonhtmlcommon::get_date_from_form('startdate');
! 157: my $enddate =
! 158: &Apache::lonhtmlcommon::get_date_from_form('enddate');
! 159: unless ($startdate=~/^\d+$/) { $startdate=time; }
! 160: unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; }
! 161: if ($startdate>$enddate) {
! 162: my $buffer=$startdate;
! 163: $startdate=$enddate;
! 164: $enddate=$buffer;
! 165: }
1.3 www 166: &Apache::lonnet::put('calendar',{
1.9 ! www 167: $startdate.'_'.$enddate =>
1.3 www 168: $ENV{'form.msg'} },$coursedom,$coursenum);
169: }
170: # ---------------------------------------------------------------- Remove items
171: if ($ENV{'form.action'} eq 'del') {
172: my @delwhich=();
173: foreach (keys %ENV) {
174: if ($_=~/^form\.remove\_(.+)$/) {
175: push(@delwhich,$1);
176: }
177: }
178: &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
179: }
180: # -------------------------------------------------------- Form to post new one
181: my %tomorrowhash=%todayhash;
182: $tomorrowhash{'day'}++;
183: my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
184:
1.9 ! www 185: # Deal with date forms
! 186: my $startdateform = &Apache::lonhtmlcommon::date_setter('anno',
! 187: 'startdate',
! 188: $today);
! 189: my $enddateform = &Apache::lonhtmlcommon::date_setter('anno',
! 190: 'enddate',
! 191: $tomorrow);
! 192: #
! 193:
1.3 www 194: $r->print(<<ENDFORM);
195: <form name="anno" method="post">
196: <input type="hidden" value='' name="action" >
1.9 ! www 197: <table><tr><td>Starting date:</td><td>$startdateform</td></tr>
! 198: <tr><td>Ending date:</td><td>$enddateform</td></tr></table>
1.3 www 199: <textarea name="msg" rows="4" cols="60">
200: </textarea>
201: <input type="button" onClick="trysubmit()" value="Post Announcement"><hr>
202: ENDFORM
203: }
1.5 www 204: # ----------------------------------------------------- Summarize all calendars
205: my %allcal=();
206: foreach (&Apache::loncommon::findallcourses()) {
207: %allcal=(%allcal,&readcalendar($_));
208: }
209:
210: # ------------------------------- Initialize table and forward backward buttons
1.3 www 211: my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
212: if ($pm<1) { ($pm,$py)=(12,$year-1); }
213: if ($fm>12){ ($fm,$fy)=(1,$year+1); }
214: $r->print('<h1>'.('','January','February','March','April','May',
215: 'June','July','August','September','October',
216: 'November','December')[$month].' '.$year.'</h1>'.
217: '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
218: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a><p>'.
219: '<table border="2" cols="7" rows="5"><tr><th>Sun</th><th>Mon</th>'.
1.7 matthew 220: '<th>Tue</th><th>Wed</th><th>Thu</th><th>Fri</th><th>Sat</th></tr>');
1.3 www 221:
222: my $tk=&Apache::loncommon::maketime(%firstday);
223: my $outp;
224: my $nm;
225:
226: # ---------------------------------------------------------------- Actual table
227: $r->print('<tr>');
228: for (my $i=0;$i<$weekday;$i++) { $r->print(&emptycell); }
229: for (my $i=$weekday;$i<=6;$i++) {
230: ($tk,$nm,$outp)=&showday($tk,%allcal);
231: $r->print($outp);
232: }
233: $r->print('</tr>');
234:
235: for (my $k=0;$k<=3;$k++) {
236: $r->print('<tr>');
237: for (my $i=0;$i<=6;$i++) {
238: ($tk,$nm,$outp)=&showday($tk,%allcal);
239: if ($month!=$nm) { $outp=&emptycell; }
240: $r->print($outp);
241: }
242: $r->print('</tr>');
243: }
244: # ------------------------------------------------------------------- End table
1.7 matthew 245: $r->print('</table>');
1.9 ! www 246: if ($allowed) { $r->print('<input type="button" onClick="removesub()" value="Remove Checked Entries"></form>'); }
1.7 matthew 247: $r->print('<p>'.
1.3 www 248: '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
249: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a><p>'.
250: '</body></html>');
1.1 www 251: return OK;
252: }
253:
254: 1;
255: __END__
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