--- loncom/interface/lonannounce.pm 2002/07/24 20:40:58 1.2 +++ loncom/interface/lonannounce.pm 2004/08/17 15:38:58 1.30 @@ -1,39 +1,522 @@ # The LearningOnline Network # Announce # -# (Internal Server Error Handler +# $Id: lonannounce.pm,v 1.30 2004/08/17 15:38:58 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; +use Apache::lonhtmlcommon(); +use Apache::lonlocal; +use HTML::Entities(); + +my %todayhash; +my %showedcheck; + +sub editfield { + my ($r,$start,$end,$text)=@_; + # Deal with date forms + my $startdateform = &Apache::lonhtmlcommon::date_setter('anno', + 'startdate', + $start); + my $enddateform = &Apache::lonhtmlcommon::date_setter('anno', + 'enddate', + $end); + my $help=&Apache::loncommon::help_open_menu('','Calendar Add Announcement','Calendar_Add_Announcement','',274,'Communication Tools'); + $r->print(< + + +
Starting date:$startdateform
Ending date:$enddateform
+ +
+ENDFORM +} + +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{$_}; + } + } + if ($courseid eq $ENV{'request.course.id'}) { + my %resourcedata= + &Apache::lonnet::dump('resourcedata',$coursedom,$coursenum); + foreach my $thiskey (sort keys %resourcedata) { + if ($resourcedata{$thiskey.'.type'}=~/^date/) { + my ($course,$middle,$part,$name)= + ($thiskey=~/^(\w+)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/); + my $section=&mt('All Students'); + if ($middle=~/^\[(.*)\]\./) { + $section=&mt('Group/Section').': '.$1; + $middle=~s/^\[(.*)\]\.//; + } + $middle=~s/\.$//; + my $realm=&mt('All Resources'); + if ($middle=~/^(.+)\_\_\_\(all\)$/) { + $realm=&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1); + } elsif ($middle) { + $realm=&mt('Resource').': '.&Apache::lonnet::gettitle($middle); + } + my $datetype=''; + if ($name eq 'duedate') { + $datetype=&mt('Due'); +# see if accidentally answerdate is before duedate + my $answerkey=$thiskey; + $answerkey=~s/duedate$/answerdate/; + if ($resourcedata{$thiskey}>$resourcedata{$answerkey}) { + $datetype='Due and Answer Available'; + } + } + if ($name eq 'opendate') { $datetype=&mt('Opening'); } + if ($name eq 'answerdate') { +# see if accidentally answerdate is before duedate + my $duekey=$thiskey; + $duekey=~s/answerdate$/duedate/; + if ($resourcedata{$duekey}>$resourcedata{$thiskey}) { +# forget it + next; + } + $datetype=&mt('Answer Available'); + } + $returnhash{$courseid.'@'.$resourcedata{$thiskey}.'_'. + $resourcedata{$thiskey}}= + 'INTERNAL:'.$datetype.': '.$realm.' ('.$section.')'; + } + } + } + return %returnhash; +} + +sub emptycell { + return ' '; +} + +sub normalcell { + my ($day,$month,$year,$text)=@_; + my $output=''; + foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) { + if ($_) { + my $internalflag=0; + my ($courseid,$start,$end,@msg)=split(/\@/,$_); + my $msg=join('@',@msg); + if ($msg=~/INTERNAL\:/) { + $msg=~s/INTERNAL\://gs; + $internalflag=1; + } + my $fullmsg=$ENV{'course.'.$courseid.'.description'}. + ', '.&Apache::lonlocal::locallocaltime($start); + if ($start!=$end) { + $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end); + } + $fullmsg.=': '.$msg; + if ($courseid eq $ENV{'request.course.id'}) { + if ((&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) + && (!$showedcheck{$start.'_'.$end}) + && ($ENV{'form.pickdate'} ne 'yes') + && (!$internalflag)) { + $output.=''; + $showedcheck{$start.'_'.$end}=1; + } + } + $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\''); + $fullmsg=~s/&/\\&/g; + $output.=''. + substr($msg,0,20).'...
'; + } + } + return ''.&tfont(''.&picklink($day,$day,$month,$year).'
'.$output).''; +} + +sub plaincell { + my ($text)=@_; + my $output=''; + foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) { + if ($_) { + my ($courseid,$start,$end,@msg)=split(/\@/,$_); + my $msg=join('@',@msg); + my $fullmsg=$ENV{'course.'.$courseid.'.description'}. + ', '.&Apache::lonlocal::locallocaltime($start); + if ($start!=$end) { + $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end); + } + $msg=~s/INTERNAL\://gs; + $fullmsg.=': '.$msg; + $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\''); + $fullmsg=~s/&/\\&/g; + $output.=''. + substr($msg,0,40).'...
'; + } + } + return $output; +} + +sub listcell { + my ($text)=@_; + my $output=''; + foreach (split(/\_\_\_\&\&\&\_\_\_/,$text)) { + if ($_) { + my ($courseid,$start,$end,@msg)=split(/\@/,$_); + my $msg=join('@',@msg); + $msg=~s/INTERNAL\://gs; + my $fullmsg=&Apache::lonlocal::locallocaltime($start); + if ($start!=$end) { + $fullmsg.=&mt(' to '). + &Apache::lonlocal::locallocaltime($end); + } + $fullmsg.=':
'. + $msg.''; + $output.='
  • '.$fullmsg.'
    • '; + } + } + return $output; +} + +sub nextday { + my %th=@_; + $th{'day'}++; + return (&Apache::loncommon::maketime(%th),$th{'month'}); +} + +sub showday { + my ($tk,$mode,%allcal)=@_; + my %th=&Apache::loncommon::timehash($tk); + my ($nextday,$nextmonth)=&nextday(%th); + my $outp=''; + if ($mode) { + my $oneday=24*3600; + $tk-=$oneday; + $nextday+=$oneday; + } + foreach (keys %allcal) { + my ($course,$startdate,$enddate)=($_=~/^(\w+)\@(\d+)\_(\d+)$/); + if (($startdate<$nextday) && ($enddate>$tk)) { + $outp.='___&&&___'.$course.'@'.$startdate.'@'.$enddate.'@'. + $allcal{$_}; + } + } + unless ($mode) { + return ($nextday,$nextmonth,&normalcell( + $th{'day'},$th{'month'},$th{'year'},$outp)); + } elsif ($outp) { + if ($mode==1) { + return '
    '.&plaincell($outp); + } else { + return ''; + } + } else { + return ''; + } +} + +sub tfont { + my $text=shift; + if ($ENV{'form.pickdate'} eq 'yes') { + return ''.$text.''; + } else { + return $text; + } +} + +sub picklink { + my ($text,$day,$month,$year)=@_; + if ($ENV{'form.pickdate'} eq 'yes') { + return ''. + $text.''; + } else { + return $text; + } +} + +sub dialscript { + return (< +function dialin(day,month,year) { + opener.document.$ENV{'form.formname'}.$ENV{'form.element'}\_year.value=year; + var slct=opener.document.$ENV{'form.formname'}.$ENV{'form.element'}\_month; + var i; + for (i=0;i +ENDDIA +} sub handler { my $r = shift; - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; -# --------------------------------------------------- Print login screen header +# ---------------------------------------------------------- Get time right now + my $today=time; + %todayhash=&Apache::loncommon::timehash($today); +# ----------------------------------------------------------------- Check marks + %showedcheck=(); + undef %showedcheck; +# ---------------------------------------------------------- Get month and year + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['month','year','pickdate','formname','element']); +# --------------------------------------------------- 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'}; } + +# ---------------------------------------------- See if we are in pickdate mode + my $pickdatemode=($ENV{'form.pickdate'} eq 'yes'); + my $pickinfo='&pickdate=yes&formname='.$ENV{'form.formname'}. + '&element='.$ENV{'form.element'}; +# --------------------------------------------- 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' => -1 )); + my $weekday=$firstday{'weekday'}; +# ------------------------------------------------------------ Print the screen + $r->print(< The LearningOnline Network with CAPA + - -

    Printout

    - - - ENDDOCUMENT + if ($pickdatemode) { +# no big header in pickdate mode + $r->print(&Apache::loncommon::bodytag("Pick a Date",'','',1). + &dialscript(). + ''); + } else { + $r->print(&Apache::loncommon::bodytag("Announcements and Calendar")); + } +# 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'}); + } +# does this user have privileges to post to servers? + my $serverpost=0; + if ($ENV{'request.role.domain'}) { + $serverpost=&Apache::lonnet::allowed('psa', + $ENV{'request.role.domain'}); + } else { + $serverpost=&Apache::lonnet::allowed('psa','/'); + } +# -------------------------------- BUT: do no fancy stuff when in pickdate mode + if ($pickdatemode) { + $serverpost=0; + $allowed=0; + } +# ------------------------------------------------------------ Process commands + if ($serverpost) { + if ($ENV{'form.serveraction'}) { + foreach (keys %ENV) { + if ($_=~/^form\.postto\_(\w+)/) { + $r->print( + '
    Posting '.$1.': '.&Apache::lonnet::postannounce + ($1,$ENV{'form.serverannnounce'})); + } + } + } + $r->print(< +

    Post Server Announcements

    +Post announcements to the system login and roles screen
    +(leave blank to delete announcement)
    +
    +Check machines:
    +SERVERANNOUNCE +# list servers + foreach (sort keys %Apache::lonnet::hostname) { + if (&Apache::lonnet::allowed('psa',$Apache::lonnet::hostdom{$_})) { + $r->print ('
    '. + $_.' '.$Apache::lonnet::hostname{$_}.' '. + 'current'); + } + } + $r->print( + '
    '); + } + if ($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') { + my $startdate = + &Apache::lonhtmlcommon::get_date_from_form('startdate'); + my $enddate = + &Apache::lonhtmlcommon::get_date_from_form('enddate'); + unless ($startdate=~/^\d+$/) { $startdate=time; } + unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; } + if ($startdate>$enddate) { + my $buffer=$startdate; + $startdate=$enddate; + $enddate=$buffer; + } + &Apache::lonnet::put('calendar',{ + $startdate.'_'.$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 $tomorrow=&Apache::loncommon::maketime(%tomorrowhash); + + &editfield($r,$today,$tomorrow,''); + } +# ----------------------------------------------------- Summarize all calendars + my %allcal=(); + foreach (&Apache::loncommon::findallcourses()) { + %allcal=(%allcal,&readcalendar($_)); + } + +# ------------------------------- Initialize table and forward backward buttons + my ($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('

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

    '); +# Reached the end of times, give up + if (($year<1970) || ($year>2037)) { + $r->print('

    No calendar available for this date.

    '. + 'Current Month'); + return OK; + } + $r->print( + ''.&mt('Previous Month').' '. + ''.&mt('Next Month').''. + '   '.&mt('Current 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,0,%allcal); + $r->print($outp); + } + $r->print(''); + + for (my $k=0;$k<=4;$k++) { + $r->print(''); + for (my $i=0;$i<=6;$i++) { + ($tk,$nm,$outp)=&showday($tk,0,%allcal); + if ($month!=$nm) { $outp=&emptycell; } + $r->print($outp); + } + $r->print(''); + } +# ------------------------------------------------------------------- End table + $r->print('
    '. +&tfont(&mt('Sun')) +.''. +&tfont(&mt('Mon')) +.''. +&tfont(&mt('Tue')) +.''. +&tfont(&mt('Wed')) +.''. +&tfont(&mt('Thu')) +.''. +&tfont(&mt('Fri')) +.''. +&tfont(&mt('Sat')) +.'
    '); +# ----------------------------------------------------------------- Check marks + %showedcheck=(); + undef %showedcheck; +# --------------------------------------------------------------- Remove button + if ($allowed) { $r->print(''. + &Apache::loncommon::help_open_topic('Calendar_Remove_Announcement').''); } + $r->print('

    '. + ''.&mt('Previous Month').' '. + ''.&mt('Next Month').''. + '   '.&mt('Current Month').'

    '. + ($pickdatemode?'    ':''). + ''); return OK; }