File:
[LON-CAPA] /
loncom /
interface /
lonpickcourse.pm
Revision
1.28:
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Tue Apr 12 00:20:01 2005 UTC (20 years, 1 month ago) by
raeburn
Branches:
MAIN
CVS tags:
version_2_0_1,
version_2_0_0,
version_1_99_3,
version_1_99_2,
version_1_99_1_tmcc,
version_1_99_1,
version_1_99_0_tmcc,
version_1_99_0,
HEAD
Bug 3912. DCs can use courseID (e.g., 257472759ae4061msul1) as a filter when using pickcourse.
# The LearningOnline Network
# Pick a course
#
# $Id: lonpickcourse.pm,v 1.28 2005/04/12 00:20:01 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(<<ENDDOCUMENT);
$html
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
ENDDOCUMENT
# Get parameters from query string
&Apache::loncommon::get_unprocessed_cgi
($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');
$courseidtag .= qq|<input type="text" name="coursefilter" size="25" value="$listcourseid" />
<br />
|;
}
# 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));
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 ='<input type="hidden" name="cnameelement" value="'.
$env{'form.cnameelement'}.'" />';
}
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) {
$roleelement = '<input type="hidden" name="roleelement" value="'.$roledom.'" />';
$submitopener = &Apache::lonroles::processpick($roledom);
$autosubmit = 'process_pick("'.$roledom.'")';
}
$r->print(<<ENDSCRIPT);
<script>
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<slct.length;i++) {
if (slct.options[i].value==cdom) { slct.selectedIndex=i; }
}
}
$autosubmit
$lastaction
}
function setSections() {
var numSections = $num_sections
var sectionsArray = new Array("$seclist")
opener.document.$env{"form.form"}.currsec.length = 0
if (numSections == 0) {
opener.document.$env{"form.form"}.currsec.multiple=false
opener.document.$env{"form.form"}.currsec.size=1;
opener.document.$env{"form.form"}.currsec.options[0] = new Option('No existing sections','',false,false)
}
else {
if (numSections == 1) {
opener.document.$env{"form.form"}.currsec.multiple=false;
opener.document.$env{"form.form"}.currsec.size=1;
opener.document.$env{"form.form"}.currsec.options[0] = new Option('Select','',true,true);
opener.document.$env{"form.form"}.currsec.options[1] = new Option('No section','',false,false)
opener.document.$env{"form.form"}.currsec.options[2] = new Option(sectionsArray[0],sectionsArray[0],false,false);
}
else {
for (var i=0; i<numSections; i++) {
opener.document.$env{"form.form"}.currsec.options[i] = new Option(sectionsArray[i],sectionsArray[i],false,false)
}
opener.document.$env{"form.form"}.currsec.multiple=true
if (numSections < 3) {
opener.document.$env{"form.form"}.currsec.size=numSections;
}
else {
opener.document.$env{"form.form"}.currsec.size=3;
}
opener.document.$env{"form.form"}.currsec.options[0].selected = false
}
}
self.close()
}
</script>
$submitopener
<form method="post">
<input type="hidden" name="cnumelement" value="$env{'form.cnumelement'}" />
<input type="hidden" name="cdomelement" value="$env{'form.cdomelement'}" />
$name_input
<input type="hidden" name="form" value="$env{'form.form'}" />
$roleelement
$lt{'cac'}: $sincefilterform
<br />
$lt{'cdo'}: $domainselectform
<br />
$lt{'cin'}:
<input type="text" name="instcodefilter" size="10" value="$listinstcode" />
<br />
$lt{'cow'}:
<input type="text" name="ownerfilter" size="10" value="$listowner" />
<br />
$courseidtag
$lt{'cde'}:
<input type="text" name="descriptfilter" size="40" value="$listdescript" />
<p><input type="submit" name="gosearch" value="Search" /></p>
</form>
<hr />
ENDSCRIPT
# ---------------------------------------------------------------- Get the data
if ($env{'form.gosearch'}) {
$r->print(&mt('Searching').' ...<br /> <br />');
$r->rflush();
unless ($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('<form name="courselist">');
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};
$r->print('<input type="button" value="Select" onClick="gochoose('.
"'".$cnum."','".$cdom."','".$cleandesc."')".'" /> '.$description.' ('.
($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("<br />\n");
}
}
if (!%courses) { $r->print(&mt('None found')); }
$r->print('<input type="hidden" name="form" value="'.$env{'form.form'}.'" />'."\n".
'<input type="hidden" name="pickedcourse" value="" />'."\n".
'<input type="hidden" name="cnumelement" value="'.$env{'form.cnumelement'}.'" />'."\n".
'<input type="hidden" name="cdomelement" value="'.$env{'form.cdomelement'}.'" />'."\n".
'</form>');
}
$r->print('</body></html>');
return OK;
}
1;
__END__
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