Annotation of loncom/interface/lonannounce.pm, revision 1.5
1.1 www 1: # The LearningOnline Network
1.2 www 2: # Announce
1.1 www 3: #
1.5 ! www 4: # $Id: lonannounce.pm,v 1.4 2002/08/09 20:15:16 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;
34:
35: sub readcalendar {
36: my $courseid=shift;
37: my $coursenum=$ENV{'course.'.$courseid.'.num'};
38: my $coursedom=$ENV{'course.'.$courseid.'.domain'};
39: my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum);
40: my %returnhash=();
41: foreach (keys %thiscal) {
42: unless (($_=~/^error\:/) || ($thiscal{$_}=~/^error\:/)) {
43: $returnhash{$courseid.'@'.$_}=$thiscal{$_};
44: }
45: }
46: return %returnhash;
47: }
48:
49: sub emptycell {
50: return '<td bgcolor="#AAAAAA"> </td>';
51: }
52:
53: sub normalcell {
54: my ($day,$text)=@_;
1.4 www 55: my $output='';
56: foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) {
57: if ($_) {
1.5 ! www 58: my ($courseid,$start,$end,@msg)=split(/\@/,$_);
! 59: my $msg=join('@',@msg);
1.4 www 60: my $fullmsg=$ENV{'course.'.$courseid.'.description'}.': '.$msg;
1.5 ! www 61: if ($courseid eq $ENV{'request.course.id'}) {
! 62: if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
! 63: $output.='<input type="checkbox" name="remove_'.$start.'_'.
! 64: $end.'">';
! 65: }
! 66: }
! 67: $output.='<a href="javascript:alert('."'$fullmsg'".')">'.
1.4 www 68: substr($msg,0,20).'...</a><br>';
69: }
70: }
71: return '<td><b>'.$day.'</b><br>'.$output.'</td>';
1.3 www 72: }
73:
74: sub nextday {
75: my %th=@_;
76: $th{'day'}++;
77: return (&Apache::loncommon::maketime(%th),$th{'month'});
78: }
79:
80: sub showday {
81: my ($tk,%allcal)=@_;
82: my %th=&Apache::loncommon::timehash($tk);
83: my ($nextday,$nextmonth)=&nextday(%th);
84: my $outp='';
1.4 www 85: my $oneday=24*3600;
1.3 www 86: foreach (keys %allcal) {
87: my ($course,$startdate,$enddate)=($_=~/^(\w+)\@(\d+)\_(\d+)$/);
1.4 www 88: if (($startdate<$nextday) && ($enddate>$tk)) {
1.5 ! www 89: $outp.='___&&&___'.$course.'@'.$startdate.'@'.$enddate.'@'.
! 90: $allcal{$_};
1.3 www 91: }
92: }
93: return ($nextday,$nextmonth,&normalcell($th{'day'},$outp));
94: }
1.1 www 95:
96: sub handler {
97: my $r = shift;
98: $r->content_type('text/html');
99: $r->send_http_header;
100: return OK if $r->header_only;
101:
1.3 www 102: # ---------------------------------------------------------- Get time right now
103: my $today=time;
104: my %todayhash=&Apache::loncommon::timehash($today);
105:
106: # ---------------------------------------------------------- Get month and year
107: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
108: ['month','year']);
109: # --------------------------------------------------- Decide what month to show
110: my $year=$todayhash{'year'};
111: if ($ENV{'form.year'}) { $year=$ENV{'form.year'}; }
112: my $month=$todayhash{'month'};
113: if ($ENV{'form.month'}) { $month=$ENV{'form.month'}; }
114: # --------------------------------------------- Find out first day of the month
115:
116: my %firstday=&Apache::loncommon::timehash(
117: &Apache::loncommon::maketime( 'day' => 1, 'month'=> $month,
118: 'year' => $year, 'hours' => 0,
119: 'minutes' => 0, 'seconds' => 0,
120: 'dlsav' => $todayhash{'dlsav'} ));
121: my $weekday=$firstday{'weekday'};
122: # ------------------------------------------------------------ Print the screen
1.1 www 123: $r->print(<<ENDDOCUMENT);
124: <html>
125: <head>
126: <title>The LearningOnline Network with CAPA</title>
1.3 www 127: <script>
128: function pclose() {
129: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
130: "height=350,width=350,scrollbars=no,menubar=no");
131: parmwin.close();
132: }
133:
134: function pjump(type,dis,value,marker,ret,call) {
135: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
136: +"&value="+escape(value)+"&marker="+escape(marker)
137: +"&return="+escape(ret)
138: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
139: "height=350,width=350,scrollbars=no,menubar=no");
140:
141: }
142:
143: function dateset() {
144: if (document.anno.pres_marker.value=='end') {
145: document.anno.enddate.value=
146: document.anno.pres_value.value;
147: }
148: if (document.anno.pres_marker.value=='start') {
149: document.anno.startdate.value=
150: document.anno.pres_value.value;
151: }
152: pclose();
153: }
154:
155: function trysubmit() {
156: if (document.anno.startdate.value=='') {
157: alert("Announcements must have a starting date");
158: return '';
159: }
160: if (document.anno.enddate.value=='') {
161: alert("Announcements must have a starting date");
162: return '';
163: }
164: if (document.anno.startdate.value>document.anno.enddate.value) {
165: alert("Starting date is later than ending date");
166: return '';
167: }
168: document.anno.action.value="new";
169: document.anno.submit();
170: }
171:
172: function removesub() {
173: document.anno.action.value="del";
174: document.anno.submit();
175: }
176: </script>
1.1 www 177: </head>
178: <body bgcolor="#FFFFFF">
1.3 www 179: <h1>Announcements</h1>
1.1 www 180: ENDDOCUMENT
1.3 www 181:
182: # does this user have privileges to post, etc?
183: my $allowed=0;
184: if ($ENV{'request.course.id'}) {
185: $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
186: }
187:
188: if ($allowed) {
189: my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
190: my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
191: # ----------------------------------------------------- Store new submitted one
192: if ($ENV{'form.action'} eq 'new') {
193: &Apache::lonnet::put('calendar',{
194: $ENV{'form.startdate'}.'_'.$ENV{'form.enddate'} =>
195: $ENV{'form.msg'} },$coursedom,$coursenum);
196: }
197: # ---------------------------------------------------------------- Remove items
198: if ($ENV{'form.action'} eq 'del') {
199: my @delwhich=();
200: foreach (keys %ENV) {
201: if ($_=~/^form\.remove\_(.+)$/) {
202: push(@delwhich,$1);
203: }
204: }
205: &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum);
206: }
207: # -------------------------------------------------------- Form to post new one
208: my %tomorrowhash=%todayhash;
209: $tomorrowhash{'day'}++;
210: my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash);
211:
212: $r->print(<<ENDFORM);
213: <form name="anno" method="post">
214: <input type="hidden" value='' name="action" >
215: <input type="hidden" value='' name="pres_value" >
216: <input type="hidden" value='' name="pres_type" >
217: <input type="hidden" value='' name="pres_marker" >
218: <input type="hidden" value='$today' name="startdate" >
219: <input type="hidden" value='$tomorrow' name="enddate" >
220: <a
221: href="javascript:pjump('date_start','Starting Date',document.anno.startdate.value,'start','anno.pres','dateset');"
222: >Set Starting Date</a>
223: <a
224: href="javascript:pjump('date_end','Ending Date',document.anno.enddate.value,'end','anno.pres','dateset');"
225: >Set Ending Date</a><p>
226: <textarea name="msg" rows="4" cols="60">
227: </textarea>
228: <input type="button" onClick="trysubmit()" value="Post Announcement"><hr>
229: <input type="button" onClick="removesub()" value="Remove Marked"><hr>
230: ENDFORM
231: }
1.5 ! www 232: # ----------------------------------------------------- Summarize all calendars
! 233: my %allcal=();
! 234: foreach (&Apache::loncommon::findallcourses()) {
! 235: %allcal=(%allcal,&readcalendar($_));
! 236: }
! 237:
! 238: # ------------------------------- Initialize table and forward backward buttons
1.3 www 239: my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year);
240: if ($pm<1) { ($pm,$py)=(12,$year-1); }
241: if ($fm>12){ ($fm,$fy)=(1,$year+1); }
242: $r->print('<h1>'.('','January','February','March','April','May',
243: 'June','July','August','September','October',
244: 'November','December')[$month].' '.$year.'</h1>'.
245: '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
246: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a><p>'.
247: '<table border="2" cols="7" rows="5"><tr><th>Sun</th><th>Mon</th>'.
248: '<th>Tue</th><th>Wed</th><th>Thu</th><th>Fri</th><th>Sat</th>');
249:
250: my $tk=&Apache::loncommon::maketime(%firstday);
251: my $outp;
252: my $nm;
253:
254: # ---------------------------------------------------------------- Actual table
255: $r->print('<tr>');
256: for (my $i=0;$i<$weekday;$i++) { $r->print(&emptycell); }
257: for (my $i=$weekday;$i<=6;$i++) {
258: ($tk,$nm,$outp)=&showday($tk,%allcal);
259: $r->print($outp);
260: }
261: $r->print('</tr>');
262:
263: for (my $k=0;$k<=3;$k++) {
264: $r->print('<tr>');
265: for (my $i=0;$i<=6;$i++) {
266: ($tk,$nm,$outp)=&showday($tk,%allcal);
267: if ($month!=$nm) { $outp=&emptycell; }
268: $r->print($outp);
269: }
270: $r->print('</tr>');
271: }
272: # ------------------------------------------------------------------- End table
273: if ($allowed) { $r->print('</form>'); }
274: $r->print('</table><p>'.
275: '<a href="/adm/announcements?month='.$pm.'&year='.$py.'">Previous Month</a> '.
276: '<a href="/adm/announcements?month='.$fm.'&year='.$fy.'">Next Month</a><p>'.
277: '</body></html>');
1.1 www 278: return OK;
279: }
280:
281: 1;
282: __END__
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