--- loncom/interface/lonannounce.pm 2002/07/24 20:40:58 1.2 +++ loncom/interface/lonannounce.pm 2002/08/08 13:44:17 1.3 @@ -1,20 +1,81 @@ # The LearningOnline Network # Announce # -# (Internal Server Error Handler +# $Id: lonannounce.pm,v 1.3 2002/08/08 13:44:17 www Exp $ # -# (Login Screen -# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, -# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) +# Copyright Michigan State University Board of Trustees # -# 3/1/1 Gerd Kortemeyer) +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). # -# 3/1 Gerd Kortemeyer +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. # +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# + package Apache::lonannounce; use strict; use Apache::Constants qw(:common); +use Apache::loncommon; + +sub readcalendar { + my $courseid=shift; + my $coursenum=$ENV{'course.'.$courseid.'.num'}; + my $coursedom=$ENV{'course.'.$courseid.'.domain'}; + my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum); + my %returnhash=(); + foreach (keys %thiscal) { + unless (($_=~/^error\:/) || ($thiscal{$_}=~/^error\:/)) { + $returnhash{$courseid.'@'.$_}=$thiscal{$_}; + } + } + return %returnhash; +} + +sub emptycell { + return ' '; +} + +sub normalcell { + my ($day,$text)=@_; + return ''.$day.'
'.$text.''; +} + +sub nextday { + my %th=@_; + $th{'day'}++; + return (&Apache::loncommon::maketime(%th),$th{'month'}); +} + +sub showday { + my ($tk,%allcal)=@_; + my %th=&Apache::loncommon::timehash($tk); + my ($nextday,$nextmonth)=&nextday(%th); + my $outp=''; + foreach (keys %allcal) { + my ($course,$startdate,$enddate)=($_=~/^(\w+)\@(\d+)\_(\d+)$/); + print $course.' '.localtime($startdate).' '.localtime($enddate). + localtime($tk).' '.localtime($nextday).'
'; + if (($startdate>$tk) && ($enddate<$nextday)) { + $outp.='___&&&___'.$course.'@'.$allcal{$_}; + } + } + return ($nextday,$nextmonth,&normalcell($th{'day'},$outp)); +} sub handler { my $r = shift; @@ -22,18 +83,180 @@ sub handler { $r->send_http_header; return OK if $r->header_only; -# --------------------------------------------------- Print login screen header +# ---------------------------------------------------------- Get time right now + my $today=time; + my %todayhash=&Apache::loncommon::timehash($today); + +# ---------------------------------------------------------- Get month and year + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['month','year']); +# ----------------------------------------------------- Summarize all calendars + my %allcal=(); + foreach (&Apache::loncommon::findallcourses()) { + %allcal=(%allcal,&readcalendar($_)); + } +# --------------------------------------------------- Decide what month to show + my $year=$todayhash{'year'}; + if ($ENV{'form.year'}) { $year=$ENV{'form.year'}; } + my $month=$todayhash{'month'}; + if ($ENV{'form.month'}) { $month=$ENV{'form.month'}; } +# --------------------------------------------- Find out first day of the month + + my %firstday=&Apache::loncommon::timehash( + &Apache::loncommon::maketime( 'day' => 1, 'month'=> $month, + 'year' => $year, 'hours' => 0, + 'minutes' => 0, 'seconds' => 0, + 'dlsav' => $todayhash{'dlsav'} )); + my $weekday=$firstday{'weekday'}; +# ------------------------------------------------------------ Print the screen $r->print(< The LearningOnline Network with CAPA + -

Printout

- - - +

Announcements

ENDDOCUMENT + +# does this user have privileges to post, etc? + my $allowed=0; + if ($ENV{'request.course.id'}) { + $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}); + } + + if ($allowed) { + my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; + my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; +# ----------------------------------------------------- Store new submitted one + if ($ENV{'form.action'} eq 'new') { + &Apache::lonnet::put('calendar',{ + $ENV{'form.startdate'}.'_'.$ENV{'form.enddate'} => + $ENV{'form.msg'} },$coursedom,$coursenum); + } +# ---------------------------------------------------------------- Remove items + if ($ENV{'form.action'} eq 'del') { + my @delwhich=(); + foreach (keys %ENV) { + if ($_=~/^form\.remove\_(.+)$/) { + push(@delwhich,$1); + } + } + &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum); + } +# -------------------------------------------------------- Form to post new one + my %tomorrowhash=%todayhash; + $tomorrowhash{'day'}++; + my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash); + + $r->print(< + + + + + + +Set Starting Date +Set Ending Date

+ +

+
+ENDFORM + } + my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year); + if ($pm<1) { ($pm,$py)=(12,$year-1); } + if ($fm>12){ ($fm,$fy)=(1,$year+1); } + $r->print('

'.('','January','February','March','April','May', + 'June','July','August','September','October', + 'November','December')[$month].' '.$year.'

'. + 'Previous Month '. + 'Next Month

'. + ''. + ''); + + my $tk=&Apache::loncommon::maketime(%firstday); + my $outp; + my $nm; + +# ---------------------------------------------------------------- Actual table + $r->print(''); + for (my $i=0;$i<$weekday;$i++) { $r->print(&emptycell); } + for (my $i=$weekday;$i<=6;$i++) { + ($tk,$nm,$outp)=&showday($tk,%allcal); + $r->print($outp); + } + $r->print(''); + + for (my $k=0;$k<=3;$k++) { + $r->print(''); + for (my $i=0;$i<=6;$i++) { + ($tk,$nm,$outp)=&showday($tk,%allcal); + if ($month!=$nm) { $outp=&emptycell; } + $r->print($outp); + } + $r->print(''); + } +# ------------------------------------------------------------------- End table + if ($allowed) { $r->print(''); } + $r->print('
SunMonTueWedThuFriSat

'. + 'Previous Month '. + 'Next Month

'. + ''); return OK; }