The LearningOnline Network with CAPA

# The LearningOnline Network # Pick a course # # $Id: lonpickcourse.pm,v 1.29 2005/09/14 20:42:36 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # 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::lonpickcourse; use strict; use Apache::Constants qw(:common); use Apache::loncommon; use Apache::loncoursedata; use Apache::lonnet; use Apache::lonlocal; sub handler { my $r = shift; &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; # ------------------------------------------------------------ Print the screen my $html=&Apache::lonxml::xmlbegin(); $r->print(< The LearningOnline Network with CAPA ENDDOCUMENT # Get parameters from query string &Apache::loncommon::get_unprocessed_cgi ($ENV{'QUERY_STRING'},['domainfilter','descriptfilter', 'sincefilter','form','cnumelement', 'cdomelement','cnameelement','roleelement', 'pickedcourse','instcodefilter', 'ownerfilter','coursefilter']); # domain filter and selection my $domainfilter=$env{'form.domainfilter'}; $domainfilter=~s/\W//g; unless ($domainfilter) { $domainfilter=''; } my $domainselectform=&Apache::loncommon::select_dom_form($domainfilter, 'domainfilter',1); # description filter my $descriptfilter=$env{'form.descriptfilter'}; unless ($descriptfilter) { $descriptfilter=''; } my $listdescript=&HTML::Entities::encode($descriptfilter,'<>&"'); # institutional code filter my $instcodefilter=$env{'form.instcodefilter'}; unless ($instcodefilter) { $instcodefilter=''; } my $listinstcode=&HTML::Entities::encode($instcodefilter,'<>&"'); # course owner filter my $ownerfilter=$env{'form.ownerfilter'}; unless ($ownerfilter) { $ownerfilter=''; } my $listowner=&HTML::Entities::encode($ownerfilter,'<>&"'); # course ID filter for DCs only my ($courseidtag,$coursefilter); if ($env{'user.adv'} && $domainfilter && exists($env{'user.role.dc./'. $domainfilter.'/'})) { $coursefilter=$env{'form.coursefilter'}; unless ($coursefilter) { $coursefilter=''; } my $listcourseid=&HTML::Entities::encode($coursefilter,'<>&"'); $courseidtag = &mt('LON-CAPA course ID'); $courseidtag .= qq|
|; } # last course activity filter and selection my $sincefilter=$env{'form.sincefilter'}; $sincefilter=~s/[^\d-]//g; unless ($sincefilter) { $sincefilter=-1; } my $sincefilterform=&Apache::loncommon::select_form($sincefilter, 'sincefilter',('-1'=>'', '86400' => 'today', '604800' => 'last week', '2592000' => 'last month', '7776000' => 'last three months', '15552000' => 'last six months', '31104000' => 'last year', 'select_form_order' => ['-1','86400','604800','2592000','7776000', '15552000','31104000'])); # if called from loncreateuser, report sections, then close my ($loaditem,$seclist); my $num_sections = 0; if ($env{'form.form'} eq 'cu' && $env{'form.pickedcourse'}) { $loaditem = 'onLoad="setSections()"'; my ($cdom,$cnum) = split/_/,$env{'form.pickedcourse'}; my %sections_count = (); $num_sections = &Apache::loncommon::get_sections($cdom,$cnum,\%sections_count); my @sections = (); if ($num_sections > 0) { @sections = (sort {$a <=> $b} keys %sections_count); $seclist = join('","',@sections); } } $r->print(&Apache::loncommon::bodytag("Selecting a Course",undef,$loaditem,undef,undef,undef,undef,1)); my %lt=&Apache::lonlocal::texthash( 'cac' => 'Course Activity', 'cde' => 'Course Description', 'cdo' => 'Course Domain', 'cin' => 'Course Institutional Code', 'cow' => "Course Owner's usename"); my ($name_code,$name_input); if (defined($env{'form.cnameelement'}) && $env{'form.cnameelement'} ne '') { $name_code = "opener.document.$env{'form.form'}.$env{'form.cnameelement'}.value=cdesc;"; $name_input =''; } my $submitopener = ''; my $autosubmit = ''; my $roleelement = ''; my $lastaction = 'self.close()'; if ($env{'form.form'} eq 'cu') { $lastaction = 'document.courselist.pickedcourse.value = cdom+"_"+cname;'."\n". 'document.courselist.submit();'; } my $roledom = $env{'form.roleelement'}; if ($roledom) { $roleelement = ''; $submitopener = &Apache::lonroles::processpick($roledom); $autosubmit = 'process_pick("'.$roledom.'")'; } $r->print(< function gochoose(cname,cdom,cdesc) { $name_code var openerForm = "$env{'form.form'}"; opener.document.$env{'form.form'}.$env{'form.cnumelement'}.value=cname; if (openerForm == 'cu' || openerForm == 'rolechoice') { opener.document.$env{'form.form'}.$env{'form.cdomelement'}.value=cdom; } else { var slct=opener.document.$env{'form.form'}.$env{'form.cdomelement'}; var i; for (i=0;i $submitopener

ENDSCRIPT # ---------------------------------------------------------------- Get the data if ($env{'form.gosearch'}) { $r->print(&mt('Searching').' ...

'); $r->rflush(); unless ($descriptfilter) { $descriptfilter='.'; } unless ($instcodefilter) { $instcodefilter='.'; } unless ($ownerfilter) { $ownerfilter='.'; } unless ($coursefilter) { $coursefilter='.'; } my $timefilter=($sincefilter==-1?1:time-$sincefilter); my %courses= &Apache::lonnet::courseiddump ($domainfilter,$descriptfilter,$timefilter,$instcodefilter,$ownerfilter,$coursefilter); $r->print('

'); my %by_descrip; foreach my $course (keys %courses) { my $descr; if ($courses{$course} =~ m/^([^:]*):/) { $descr = &Apache::lonnet::unescape($1); } else { $descr = &Apache::lonnet::unescape($courses{$course}); } my $description = lc($descr); push (@{$by_descrip{$description}}, $course); } foreach my $description (sort(keys(%by_descrip))) { foreach my $course (@{$by_descrip{$description}}) { my $cleandesc=&HTML::Entities::encode($description,'<>&"'); $cleandesc=~s/'/\\'/g; my ($cdom,$cnum)=split(/\_/,$course); my ($descr,$instcode,$owner) = split/:/,$courses{$course}; $r->print(' '.$description.' ('. ($Apache::lonnet::domaindescription{$cdom}? $Apache::lonnet::domaindescription{$cdom}:$cdom).")"); unless ($instcode eq '') { $r->print(" - ".&Apache::lonnet::unescape($instcode)); } unless ($owner eq '') { $r->print(", owner - ".&Apache::lonnet::unescape($owner)); } $r->print("
\n"); } } if (!%courses) { $r->print(&mt('None found')); } $r->print(''."\n". ''."\n". ''."\n". ''."\n". '

'); } $r->print(''); return OK; } 1; __END__