Annotation of loncom/interface/lonannounce.pm, revision 1.10
1.1 www 1: # The LearningOnline Network
1.2 www 2: # Announce
1.1 www 3: #
1.10 ! www 4: # $Id: lonannounce.pm,v 1.9 2003/05/21 16:26:46 www 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:
1.10 ! www 36: sub editfield {
! 37: my ($r,$start,$end,$text)=@_;
! 38: # Deal with date forms
! 39: my $startdateform = &Apache::lonhtmlcommon::date_setter('anno',
! 40: 'startdate',
! 41: $start);
! 42: my $enddateform = &Apache::lonhtmlcommon::date_setter('anno',
! 43: 'enddate',
! 44: $end);
! 45:
! 46: $r->print(<<ENDFORM);
! 47: <form name="anno" method="post">
! 48: <input type="hidden" value='' name="action" >
! 49: <table><tr><td>Starting date:</td><td>$startdateform</td></tr>
! 50: <tr><td>Ending date:</td><td>$enddateform</td></tr></table>
! 51: <textarea name="msg" rows="4" cols="60">$text</textarea>
! 52: <input type="button" onClick="trysubmit()" value="Post Announcement"><hr>
! 53: ENDFORM
! 54: }
! 55:
1.3 www 56: sub readcalendar {
57: my $courseid=shift;
58: my $coursenum=$ENV{'course.'.$courseid.'.num'};
59: my $coursedom=$ENV{'course.'.$courseid.'.domain'};
60: my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
61: my %returnhash=();
62: foreach (keys %thiscal) {
63: unless (($_=~/^error\:/) || ($thiscal{$_}=~/^error\:/)) {
64: $returnhash{$courseid.'@'.$_}=$thiscal{$_};
65: }
66: }
67: return %returnhash;
68: }
69:
70: sub emptycell {
71: return '<td bgcolor="#AAAAAA"> </td>';
72: }
73:
74: sub normalcell {
75: my ($day,$text)=@_;
1.4 www 76: my $output='';
77: foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) {
78: if ($_) {
1.5 www 79: my ($courseid,$start,$end,@msg)=split(/\@/,$_);
80: my $msg=join('@',@msg);
1.4 www 81: my $fullmsg=$ENV{'course.'.$courseid.'.description'}.': '.$msg;
1.5 www 82: if ($courseid eq $ENV{'request.course.id'}) {
83: if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
84: $output.='<input type="checkbox" name="remove_'.$start.'_'.
85: $end.'">';
86: }
87: }
88: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.4 www 89: substr($msg,0,20).'...</a><br>';
90: }
91: }
92: return '<td><b>'.$day.'</b><br>'.$output.'</td>';
1.3 www 93: }
94:
95: sub nextday {
96: my %th=@_;
97: $th{'day'}++;
98: return (&Apache::loncommon::maketime(%th),$th{'month'});
99: }
100:
101: sub showday {
102: my ($tk,%allcal)=@_;
103: my %th=&Apache::loncommon::timehash($tk);
104: my ($nextday,$nextmonth)=&nextday(%th);
105: my $outp='';
1.4 www 106: my $oneday=24*3600;
1.3 www 107: foreach (keys %allcal) {
108: my ($course,$startdate,$enddate)=($_=~/^(\w+)\@(\d+)\_(\d+)$/);
1.4 www 109: if (($startdate<$nextday) && ($enddate>$tk)) {
1.5 www 110: $outp.='___&&&___'.$course.'@'.$startdate.'@'.$enddate.'@'.
111: $allcal{$_};
1.3 www 112: }
113: }
114: return ($nextday,$nextmonth,&normalcell($th{'day'},$outp));
115: }
1.1 www 116:
117: sub handler {
118: my $r = shift;
119: $r->content_type('text/html');
120: $r->send_http_header;
121: return OK if $r->header_only;
122:
1.3 www 123: # ---------------------------------------------------------- Get time right now
124: my $today=time;
125: my %todayhash=&Apache::loncommon::timehash($today);
126:
127: # ---------------------------------------------------------- Get month and year
128: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
129: ['month','year']);
130: # --------------------------------------------------- Decide what month to show
131: my $year=$todayhash{'year'};
132: if ($ENV{'form.year'}) { $year=$ENV{'form.year'}; }
133: my $month=$todayhash{'month'};
134: if ($ENV{'form.month'}) { $month=$ENV{'form.month'}; }
135: # --------------------------------------------- Find out first day of the month
136:
137: my %firstday=&Apache::loncommon::timehash(
138: &Apache::loncommon::maketime( 'day' => 1, 'month'=> $month,
139: 'year' => $year, 'hours' => 0,
140: 'minutes' => 0, 'seconds' => 0,
141: 'dlsav' => $todayhash{'dlsav'} ));
142: my $weekday=$firstday{'weekday'};
143: # ------------------------------------------------------------ Print the screen
1.9 www 144:
1.1 www 145: $r->print(<<ENDDOCUMENT);
146: <html>
147: <head>
148: <title>The LearningOnline Network with CAPA</title>
1.3 www 149: <script>
150:
151: function trysubmit() {
152: document.anno.action.value="new";
153: document.anno.submit();
154: }
155:
156: function removesub() {
157: document.anno.action.value="del";
158: document.anno.submit();
159: }
160: </script>
1.1 www 161: </head>
162: ENDDOCUMENT
1.6 www 163: $r->print(&Apache::loncommon::bodytag("Announcements and Calendar"));
1.3 www 164: # does this user have privileges to post, etc?
165: my $allowed=0;
166: if ($ENV{'request.course.id'}) {
167: $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
168: }
169:
170: if ($allowed) {
171: my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
172: my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
173: # ----------------------------------------------------- Store new submitted one
174: if ($ENV{'form.action'} eq 'new') {
1.9 www 175: my $startdate =
176: &Apache::lonhtmlcommon::get_date_from_form('startdate');
177: my $enddate =
178: &Apache::lonhtmlcommon::get_date_from_form('enddate');
179: unless ($startdate=~/^\d+$/) { $startdate=time; }
180: unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; }
181: if ($startdate>$enddate) {
182: my $buffer=$startdate;
183: $startdate=$enddate;
184: $enddate=$buffer;
185: }
1.3 www 186: &Apache::lonnet::put('calendar',{
1.9 www 187: $startdate.'_'.$enddate =>
1.3 www 188: $ENV{'form.msg'} },$coursedom,$coursenum);
189: }
190: # ---------------------------------------------------------------- Remove items
191: if ($ENV{'form.action'} eq 'del') {
192: my @delwhich=();
193: foreach (keys %ENV) {
194: if ($_=~/^form\.remove\_(.+)$/) {
195: push(@delwhich,$1);
196: }
197: }
198: &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
199: }
200: # -------------------------------------------------------- Form to post new one
201: my %tomorrowhash=%todayhash;
202: $tomorrowhash{'day'}++;
203: my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
204:
1.10 ! www 205: &editfield($r,$today,$tomorrow,'');
1.3 www 206: }
1.5 www 207: # ----------------------------------------------------- Summarize all calendars
208: my %allcal=();
209: foreach (&Apache::loncommon::findallcourses()) {
210: %allcal=(%allcal,&readcalendar($_));
211: }
212:
213: # ------------------------------- Initialize table and forward backward buttons
1.3 www 214: my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
215: if ($pm<1) { ($pm,$py)=(12,$year-1); }
216: if ($fm>12){ ($fm,$fy)=(1,$year+1); }
217: $r->print('<h1>'.('','January','February','March','April','May',
218: 'June','July','August','September','October',
219: 'November','December')[$month].' '.$year.'</h1>'.
220: '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
221: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a><p>'.
222: '<table border="2" cols="7" rows="5"><tr><th>Sun</th><th>Mon</th>'.
1.7 matthew 223: '<th>Tue</th><th>Wed</th><th>Thu</th><th>Fri</th><th>Sat</th></tr>');
1.3 www 224:
225: my $tk=&Apache::loncommon::maketime(%firstday);
226: my $outp;
227: my $nm;
228:
229: # ---------------------------------------------------------------- Actual table
230: $r->print('<tr>');
231: for (my $i=0;$i<$weekday;$i++) { $r->print(&emptycell); }
232: for (my $i=$weekday;$i<=6;$i++) {
233: ($tk,$nm,$outp)=&showday($tk,%allcal);
234: $r->print($outp);
235: }
236: $r->print('</tr>');
237:
238: for (my $k=0;$k<=3;$k++) {
239: $r->print('<tr>');
240: for (my $i=0;$i<=6;$i++) {
241: ($tk,$nm,$outp)=&showday($tk,%allcal);
242: if ($month!=$nm) { $outp=&emptycell; }
243: $r->print($outp);
244: }
245: $r->print('</tr>');
246: }
247: # ------------------------------------------------------------------- End table
1.7 matthew 248: $r->print('</table>');
1.9 www 249: if ($allowed) { $r->print('<input type="button" onClick="removesub()" value="Remove Checked Entries"></form>'); }
1.7 matthew 250: $r->print('<p>'.
1.3 www 251: '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
252: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a><p>'.
253: '</body></html>');
1.1 www 254: return OK;
255: }
256:
257: 1;
258: __END__
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