loncom/interface/lonsearchcat.pm - diff

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Diff for /loncom/interface/lonsearchcat.pm between versions 1.229 and 1.245

version 1.229, 2004/06/03 20:32:33	version 1.245, 2005/04/07 07:34:52
Line 63 package Apache::lonsearchcat;	Line 63 package Apache::lonsearchcat;

use strict;	use strict;
use Apache::Constants qw(:common :http);	use Apache::Constants qw(:common :http);
use Apache::lonnet();	use Apache::lonnet;
use Apache::File();	use Apache::File();
use CGI qw(:standard);	use CGI qw(:standard);
use Text::Query;	use Text::Query;
Line 76 use Apache::lonlocal;	Line 76 use Apache::lonlocal;
use LONCAPA::lonmetadata();	use LONCAPA::lonmetadata();
use HTML::Entities();	use HTML::Entities();
use Parse::RecDescent;	use Parse::RecDescent;
	use Apache::lonnavmaps;

######################################################################	######################################################################
######################################################################	######################################################################
Line 143 sub handler {	Line 144 sub handler {
## printing the results. We only need (theoretically) to do	## printing the results. We only need (theoretically) to do
## this once, so the pause indicator is deleted	## this once, so the pause indicator is deleted
##	##
if (exists($ENV{'form.pause'})) {	if (exists($env{'form.pause'})) {
sleep(1);	sleep(1);
delete($ENV{'form.pause'});	delete($env{'form.pause'});
}	}
##	##
## Initialize global variables	## Initialize global variables
##	##
my $domain = $r->dir_config('lonDefDomain');	my $domain = $r->dir_config('lonDefDomain');
$diropendb= "/home/httpd/perl/tmp/".	$diropendb= "/home/httpd/perl/tmp/".
"$ENV{'user.domain'}_$ENV{'user.name'}_searchcat.db";	"$env{'user.domain'}_$env{'user.name'}_searchcat.db";
#	#
# set the name of the persistent database	# set the name of the persistent database
# $ENV{'form.persistent_db_id'} can only have digits in it.	# $env{'form.persistent_db_id'} can only have digits in it.
if (! exists($ENV{'form.persistent_db_id'}) \|\|	if (! exists($env{'form.persistent_db_id'}) \|\|
($ENV{'form.persistent_db_id'} =~ /\D/) \|\|	($env{'form.persistent_db_id'} =~ /\D/) \|\|
($ENV{'form.launch'} eq '1')) {	($env{'form.launch'} eq '1')) {
$ENV{'form.persistent_db_id'} = time;	$env{'form.persistent_db_id'} = time;
}	}
$bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);	$bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
my $persistent_db_file = "/home/httpd/perl/tmp/".	my $persistent_db_file = "/home/httpd/perl/tmp/".
&Apache::lonnet::escape($domain).	&Apache::lonnet::escape($domain).
'_'.&Apache::lonnet::escape($ENV{'user.name'}).	'_'.&Apache::lonnet::escape($env{'user.name'}).
'_'.$ENV{'form.persistent_db_id'}.'_persistent_search.db';	'_'.$env{'form.persistent_db_id'}.'_persistent_search.db';
##	##
&Apache::lonhtmlcommon::clear_breadcrumbs();	&Apache::lonhtmlcommon::clear_breadcrumbs();
if (exists($ENV{'request.course.id'}) && $ENV{'request.course.id'} ne '') {	if (exists($env{'request.course.id'}) && $env{'request.course.id'} ne '') {
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?'.	({href=>'/adm/searchcat?'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'},	'&mode='.$env{'form.mode'},
text=>"Course and Catalog Search",	text=>"Course and Catalog Search",
target=>'_top',	target=>'_top',
bug=>'Searching',});	bug=>'Searching',});
} else {	} else {
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?'.	({href=>'/adm/searchcat?'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'},	'&mode='.$env{'form.mode'},
text=>"Catalog Search",	text=>"Catalog Search",
target=>'_top',	target=>'_top',
bug=>'Searching',});	bug=>'Searching',});
}	}
#	#
if ($ENV{'form.phase'} !~ m/(basic\|adv\|course)_search/) {	if ($env{'form.phase'} !~ m/(basic\|adv\|course)_search/) {
if (! &get_persistent_form_data($persistent_db_file)) {	if (! &get_persistent_form_data($persistent_db_file)) {
if ($ENV{'form.phase'} =~ /(run_search\|results)/) {	if ($env{'form.phase'} =~ /(run_search\|results)/) {
&Apache::lonnet::logthis('lonsearchcat:'.	&Apache::lonnet::logthis('lonsearchcat:'.
'Unable to recover data from '.	'Unable to recover data from '.
$persistent_db_file);	$persistent_db_file);
$r->print(<<END);	my $html=&Apache::lonxml::xmlbegin();
<html>	$r->print(<<END);
<head><title>LON-CAPA Search Error</title></head>	$html
	<head>
	<title>LON-CAPA Search Error</title></head>
$bodytag	$bodytag
We were unable to retrieve data describing your search. This is a serious	We were unable to retrieve data describing your search. This is a serious
error and has been logged. Please alert your LON-CAPA administrator.	error and has been logged. Please alert your LON-CAPA administrator.
Line 213 END	Line 216 END
## Clear out old values from groupsearch database	## Clear out old values from groupsearch database
##	##
untie %groupsearch_db if (tied(%groupsearch_db));	untie %groupsearch_db if (tied(%groupsearch_db));
if (($ENV{'form.cleargroupsort'} eq '1') \|\|	if (($env{'form.cleargroupsort'} eq '1') \|\|
(($ENV{'form.launch'} eq '1') &&	(($env{'form.launch'} eq '1') &&
($ENV{'form.catalogmode'} eq 'groupsearch'))) {	($env{'form.catalogmode'} eq 'groupsearch'))) {
if (tie(%groupsearch_db,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {	if (tie(%groupsearch_db,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {
&start_fresh_session();	&start_fresh_session();
untie %groupsearch_db;	untie %groupsearch_db;
delete($ENV{'form.cleargroupsort'});	delete($env{'form.cleargroupsort'});
} else {	} else {
# This is a stupid error to give to the user.	# This is a stupid error to give to the user.
# It really tells them nothing.	# It really tells them nothing.
$r->print('<html><head></head>'.$bodytag.	my $html=&Apache::lonxml::xmlbegin();
	$r->print($html.'<head></head>'.$bodytag.
'Unable to tie hash to db file</body></html>');	'Unable to tie hash to db file</body></html>');
return OK;	return OK;
}	}
Line 232 END	Line 236 END
## Configure hidden fields	## Configure hidden fields
##	##
$hidden_fields = '<input type="hidden" name="persistent_db_id" value="'.	$hidden_fields = '<input type="hidden" name="persistent_db_id" value="'.
$ENV{'form.persistent_db_id'}.'" />'."\n";	$env{'form.persistent_db_id'}.'" />'."\n";
if (exists($ENV{'form.catalogmode'})) {	if (exists($env{'form.catalogmode'})) {
$hidden_fields .= &hidden_field('catalogmode');	$hidden_fields .= &hidden_field('catalogmode');
}	}
if (exists($ENV{'form.form'})) {	if (exists($env{'form.form'})) {
$hidden_fields .= &hidden_field('form');	$hidden_fields .= &hidden_field('form');
}	}
if (exists($ENV{'form.element'})) {	if (exists($env{'form.element'})) {
$hidden_fields .= &hidden_field('element');	$hidden_fields .= &hidden_field('element');
}	}
if (exists($ENV{'form.titleelement'})) {	if (exists($env{'form.titleelement'})) {
$hidden_fields .= &hidden_field('titleelement');	$hidden_fields .= &hidden_field('titleelement');
}	}
if (exists($ENV{'form.mode'})) {	if (exists($env{'form.mode'})) {
$hidden_fields .= &hidden_field('mode');	$hidden_fields .= &hidden_field('mode');
}	}
##	##
## Configure dynamic components of interface	## Configure dynamic components of interface
##	##
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($env{'form.catalogmode'} eq 'interactive') {
$closebutton="<input type='button' name='close' value='CLOSE' ";	$closebutton="<input type='button' name='close' value='CLOSE' ";
if ($ENV{'form.phase'} =~ /(results\|run_search)/) {	if ($env{'form.phase'} =~ /(results\|run_search)/) {
$closebutton .="onClick='parent.close()'";	$closebutton .="onClick='parent.close()'";
} else {	} else {
$closebutton .="onClick='self.close()'";	$closebutton .="onClick='self.close()'";
}	}
$closebutton .=">\n";	$closebutton .=">\n";
} elsif ($ENV{'form.catalogmode'} eq 'groupsearch') {	} elsif ($env{'form.catalogmode'} eq 'groupsearch') {
$closebutton="<input type='button' name='close' value='CLOSE' ";	$closebutton="<input type='button' name='close' value='CLOSE' ";
if ($ENV{'form.phase'} =~ /(results\|run_search)/) {	if ($env{'form.phase'} =~ /(results\|run_search)/) {
$closebutton .="onClick='parent.close()'";	$closebutton .="onClick='parent.close()'";
} else {	} else {
$closebutton .="onClick='self.close()'";	$closebutton .="onClick='self.close()'";
Line 278 END	Line 282 END
##	##
## Sanity checks on form elements	## Sanity checks on form elements
##	##
if (!defined($ENV{'form.viewselect'})) {	if (!defined($env{'form.viewselect'})) {
if (($ENV{'form.catalogmode'} eq 'groupsearch') \|\|	if (($env{'form.catalogmode'} eq 'groupsearch') \|\|
($ENV{'form.catalogmode'} eq 'interactive')) {	($env{'form.catalogmode'} eq 'interactive')) {
$ENV{'form.viewselect'} ="Compact View";	$env{'form.viewselect'} ="Compact View";
} else {	} else {
$ENV{'form.viewselect'} ="Detailed Citation View";	$env{'form.viewselect'} ="Detailed Citation View";
}	}
}	}
$ENV{'form.phase'} = 'disp_basic' if (! exists($ENV{'form.phase'}));	$env{'form.phase'} = 'disp_basic' if (! exists($env{'form.phase'}));
$ENV{'form.show'} = 20 if (! exists($ENV{'form.show'}));	$env{'form.show'} = 20 if (! exists($env{'form.show'}));
#	#
$ENV{'form.searchmode'} = 'basic' if (! exists($ENV{'form.searchmode'}));	$env{'form.searchmode'} = 'basic' if (! exists($env{'form.searchmode'}));
if ($ENV{'form.phase'} eq 'adv_search' \|\|	if ($env{'form.phase'} eq 'adv_search' \|\|
$ENV{'form.phase'} eq 'disp_adv') {	$env{'form.phase'} eq 'disp_adv') {
$ENV{'form.searchmode'} = 'advanced';	$env{'form.searchmode'} = 'advanced';
} elsif ($ENV{'form.phase'} eq 'course_search') {	} elsif ($env{'form.phase'} eq 'course_search') {
$ENV{'form.searchmode'} = 'course_search';	$env{'form.searchmode'} = 'course_search';
}	}
#	#
if ($ENV{'form.searchmode'} eq 'advanced') {	if ($env{'form.searchmode'} eq 'advanced') {
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?phase=disp_adv&'.	({href=>'/adm/searchcat?phase=disp_adv&'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'},	'&mode='.$env{'form.mode'},
text=>"Advanced Search",	text=>"Advanced Search",
bug=>'Searching',});	bug=>'Searching',});
} elsif ($ENV{'form.searchmode'} eq 'course search') {	} elsif ($env{'form.searchmode'} eq 'course search') {
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?phase=disp_adv&'.	({href=>'/adm/searchcat?phase=disp_adv&'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'},	'&mode='.$env{'form.mode'},
text=>"Course Search",	text=>"Course Search",
bug=>'Searching',});	bug=>'Searching',});
}	}
##	##
## Switch on the phase	## Switch on the phase
##	##
if ($ENV{'form.phase'} eq 'disp_basic') {	if ($env{'form.phase'} eq 'disp_basic') {
&print_basic_search_form($r,$closebutton,$hidden_fields);	&print_basic_search_form($r,$closebutton,$hidden_fields);
} elsif ($ENV{'form.phase'} eq 'disp_adv') {	} elsif ($env{'form.phase'} eq 'disp_adv') {
&print_advanced_search_form($r,$closebutton,$hidden_fields);	&print_advanced_search_form($r,$closebutton,$hidden_fields);
} elsif ($ENV{'form.phase'} eq 'results') {	} elsif ($env{'form.phase'} eq 'results') {
&display_results($r,$importbutton,$closebutton,$diropendb);	&display_results($r,$importbutton,$closebutton,$diropendb);
} elsif ($ENV{'form.phase'} =~ /^(sort\|run_search)$/) {	} elsif ($env{'form.phase'} =~ /^(sort\|run_search)$/) {
my ($query,$customquery,$customshow,$libraries,$pretty_string) =	my ($query,$customquery,$customshow,$libraries,$pretty_string) =
&get_persistent_data($persistent_db_file,	&get_persistent_data($persistent_db_file,
['query','customquery','customshow',	['query','customquery','customshow',
'libraries','pretty_string']);	'libraries','pretty_string']);
if ($ENV{'form.phase'} eq 'sort') {	if ($env{'form.phase'} eq 'sort') {
&print_sort_form($r,$pretty_string);	&print_sort_form($r,$pretty_string);
} elsif ($ENV{'form.phase'} eq 'run_search') {	} elsif ($env{'form.phase'} eq 'run_search') {
&run_search($r,$query,$customquery,$customshow,	&run_search($r,$query,$customquery,$customshow,
$libraries,$pretty_string);	$libraries,$pretty_string);
}	}
} elsif ($ENV{'form.phase'} eq 'course_search') {	} elsif ($env{'form.phase'} eq 'course_search') {
&course_search($r);	&course_search($r);
} elsif(($ENV{'form.phase'} eq 'basic_search') \|\|	} elsif(($env{'form.phase'} eq 'basic_search') \|\|
($ENV{'form.phase'} eq 'adv_search')) {	($env{'form.phase'} eq 'adv_search')) {
#	#
# We are running a search, try to parse it	# We are running a search, try to parse it
my ($query,$customquery,$customshow,$libraries) =	my ($query,$customquery,$customshow,$libraries) =
(undef,undef,undef,undef);	(undef,undef,undef,undef);
my $pretty_string;	my $pretty_string;
if ($ENV{'form.phase'} eq 'basic_search') {	if ($env{'form.phase'} eq 'basic_search') {
($query,$pretty_string,$libraries) =	($query,$pretty_string,$libraries) =
&parse_basic_search($r,$closebutton,$hidden_fields);	&parse_basic_search($r,$closebutton,$hidden_fields);
return OK if (! defined($query));	return OK if (! defined($query));
&make_persistent({ basicexp => $ENV{'form.basicexp'}},	&make_persistent({ basicexp => $env{'form.basicexp'}},
$persistent_db_file);	$persistent_db_file);
} else { # Advanced search	} else { # Advanced search
($query,$customquery,$customshow,$libraries,$pretty_string)	($query,$customquery,$customshow,$libraries,$pretty_string)
Line 367 END	Line 371 END
&Apache::lonnet::logthis('lonsearchcat.pm: Unable to create '.	&Apache::lonnet::logthis('lonsearchcat.pm: Unable to create '.
'needed table. lonmysql error:'.	'needed table. lonmysql error:'.
$errorstring);	$errorstring);
	my $html=&Apache::lonxml::xmlbegin();
$r->print(<<END);	$r->print(<<END);
<html><head><title>Search Error</title></head>	$html
	<head>
	<title>Search Error</title></head>
$bodytag	$bodytag
Unable to create table in which to store search results.	Unable to create table in which to store search results.
The search has been aborted.	The search has been aborted.
Line 377 The search has been aborted.	Line 384 The search has been aborted.
END	END
return OK;	return OK;
}	}
delete($ENV{'form.launch'});	delete($env{'form.launch'});
if (! &make_form_data_persistent($r,$persistent_db_file)) {	if (! &make_form_data_persistent($r,$persistent_db_file)) {
$r->print(<<END);	my $html=&Apache::lonxml::xmlbegin();
<html><head><title>Search Error</title></head>	$r->print(<<END);
	$html
	<head>
	<title>Search Error</title></head>
$bodytag	$bodytag
Unable to properly store search information. The search has been aborted.	Unable to properly store search information. The search has been aborted.
</body>	</body>
Line 405 END	Line 415 END
# This routine sets non existant checkbox form elements to ''.	# This routine sets non existant checkbox form elements to ''.
#	#
sub clean_up_environment {	sub clean_up_environment {
if ($ENV{'form.phase'} eq 'basic_search') {	if ($env{'form.phase'} eq 'basic_search') {
if (! exists($ENV{'form.related'})) {	if (! exists($env{'form.related'})) {
$ENV{'form.related'} = '';	$env{'form.related'} = '';
}	}
if (! exists($ENV{'form.domains'})) {	if (! exists($env{'form.domains'})) {
$ENV{'form.domains'} = '';	$env{'form.domains'} = '';
}	}
} elsif ($ENV{'form.phase'} eq 'adv_search') {	} elsif ($env{'form.phase'} eq 'adv_search') {
foreach my $field ('title','keywords','notes',	foreach my $field ('title','keywords','notes',
'abstract','standards','mime') {	'abstract','standards','mime') {
if (! exists($ENV{'form.'.$field.'_related'})) {	if (! exists($env{'form.'.$field.'_related'})) {
$ENV{'form.'.$field.'_related'} = '';	$env{'form.'.$field.'_related'} = '';
}	}
}	}
} elsif ($ENV{'form.phase'} eq 'course_search') {	} elsif ($env{'form.phase'} eq 'course_search') {
if (! exists($ENV{'form.crsrelated'})) {	if (! exists($env{'form.crsrelated'})) {
$ENV{'form.crsrelated'} = '';	$env{'form.crsrelated'} = '';
}	}
}	}
}	}
Line 429 sub clean_up_environment {	Line 439 sub clean_up_environment {
sub hidden_field {	sub hidden_field {
my ($name,$value) = @_;	my ($name,$value) = @_;
if (! defined($value)) {	if (! defined($value)) {
$value = $ENV{'form.'.$name};	$value = $env{'form.'.$name};
}	}
return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'.$/;	return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'.$/;
}	}
Line 448 my %alreadyseen;	Line 458 my %alreadyseen;
my %hash;	my %hash;
my $totalfound;	my $totalfound;

	sub make_symb {
	my ($id)=@_;
	my ($mapid,$resid)=split(/\./,$id);
	my $map=$hash{'map_id_'.$mapid};
	my $res=$hash{'src_'.$id};
	my $symb=&Apache::lonnet::encode_symb($map,$resid,$res);
	return $symb;
	}

sub course_search {	sub course_search {
my $r=shift;	my $r=shift;
my $bodytag=&Apache::loncommon::bodytag('Course Search');	my $bodytag=&Apache::loncommon::bodytag('Course Search');
my $pretty_search_string = '<b>'.$ENV{'form.courseexp'}.'</b>';	my $pretty_search_string = '<b>'.$env{'form.courseexp'}.'</b>';
my $search_string = $ENV{'form.courseexp'};	my $search_string = $env{'form.courseexp'};
my @New_Words;	my @New_Words;
if ($ENV{'form.crsrelated'}) {	undef(%alreadyseen);
($search_string,@New_Words) = &related_version($ENV{'form.courseexp'});	if ($env{'form.crsrelated'}) {
	($search_string,@New_Words) = &related_version($env{'form.courseexp'});
if (@New_Words) {	if (@New_Words) {
$pretty_search_string .= ' '.&mt("with related words").": <b>@New_Words</b>.";	$pretty_search_string .= ' '.&mt("with related words").": <b>@New_Words</b>.";
} else {	} else {
$pretty_search_string .= ' '.&mt('with no related words').".";	$pretty_search_string .= ' '.&mt('with no related words').".";
}	}
}	}
my $fulltext=$ENV{'form.crsfulltext'};	my $fulltext=$env{'form.crsfulltext'};
	my $discuss=$env{'form.crsdiscuss'};
my @allwords=($search_string,@New_Words);	my @allwords=($search_string,@New_Words);
$totalfound=0;	$totalfound=0;
$r->print('<html><head><title>LON-CAPA Course Search</title></head>'.	my $html=&Apache::lonxml::xmlbegin();
$bodytag.'<hr /><center><font size="+2" face="arial">'.$pretty_search_string.'</font></center><hr />');	$r->print($html.'<head><title>LON-CAPA Course Search</title></head>'.
	$bodytag.'<hr /><center><font size="+2" face="arial">'.$pretty_search_string.'</font></center><hr /><b>'.&mt('Course content').':</b><br />');
$r->rflush();	$r->rflush();
# ======================================================= Go through the course	# ======================================================= Go through the course
undef %alreadyseen;
%alreadyseen=();
my $c=$r->connection;	my $c=$r->connection;
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",	if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
&GDBM_READER(),0640)) {	&GDBM_READER(),0640)) {
foreach (keys %hash) {	foreach (sort(keys(%hash))) {
if ($c->aborted()) { last; }	if ($c->aborted()) { last; }
if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) {	if (($_=~/^src\_(.+)$/)) {
&checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext,	if ($hash{'randomout_'.$1} & !$env{'request.role.adv'}) {
@allwords);	next;
	}
	my $symb=&make_symb($1);
	&checkonthis($r,$1,$hash{$_},0,&Apache::lonnet::gettitle($symb),
	$fulltext,$symb,@allwords);
}	}
}	}
untie(%hash);	untie(%hash);
}	}
unless ($totalfound) {	unless ($totalfound) {
$r->print('<p>'.&mt('No resources found').'.</p>');	$r->print('<p>'.&mt('No matches found in resources').'.</p>');
	}

	# Check discussions if requested
	if ($discuss) {
	my $totaldiscussions = 0;
	$r->print('<br /><br /><b>'.&mt('Discussion postings').':</b><br />');
	my $navmap = Apache::lonnavmaps::navmap->new();
	my @allres=$navmap->retrieveResources();
	my %discussiontime = &Apache::lonnet::dump('discussiontimes',
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'});
	foreach my $resource (@allres) {
	my $result = '';
	my $applies = 0;
	my $symb = $resource->symb();
	my $ressymb = $symb;
	if ($symb =~ m#(___adm/\w+/\w+)/(\d+)/bulletinboard$#) {
	$ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';
	unless ($ressymb =~ m#bulletin___\d+___adm/wrapper#) {
	$ressymb=~s#(bulletin___\d+___)#$1adm/wrapper/#;
	}
	}
	if (defined($discussiontime{$ressymb})) {
	my %contrib = &Apache::lonnet::restore($ressymb,$env{'request.course.id'},
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'});
	if ($contrib{'version'}) {
	for (my $id=1;$id<=$contrib{'version'};$id++) {
	unless (($contrib{'hidden'}=~/\.$id\./) \|\| ($contrib{'deleted'}=~/\.$id\./)) {
	if ($contrib{$id.':subject'}) {
	$result .= $contrib{$id.':subject'};
	}
	if ($contrib{$id.':message'}) {
	$result .= $contrib{$id.':message'};
	}
	if ($contrib{$id,':attachmenturl'}) {
	if ($contrib{$id,':attachmenturl'} =~ m-/([^/]+)$-) {
	$result .= $1;
	}
	}
	$applies = &checkwords($result,$applies,@allwords);
	}
	}
	}
	}
	# Does this discussion apply?
	if ($applies) {
	my ($map,$ind,$url)=&Apache::lonnet::decode_symb($ressymb);
	my $disctype = &mt('resource');
	if ($url =~ m#/bulletinboard$#) {
	if ($url =~m#^adm/wrapper/adm/.*/bulletinboard$#) {
	$url =~s#^adm/wrapper##;
	}
	$disctype = &mt('bulletin board');
	} else {
	$url = '/res/'.$url;
	}
	if ($url =~ /\?/) {
	$url .= '&symb=';
	} else {
	$url .= '?symb=';
	}
	$url .= &Apache::lonnet::escape($resource->symb());
	my $title = $resource->compTitle();
	$r->print('<br /><a href="'.$url.'" target="cat">'.
	($title?$title:$url).'</a>  - '.$disctype.'<br />');
	$totaldiscussions++;
	} else {
	$r->print(' .');
	}
	}
	unless ($totaldiscussions) {
	$r->print('<p>'.&mt('No matches found in postings').'.</p>');
	}
}	}

# =================================================== Done going through course	# =================================================== Done going through course
$r->print('</body></html>');	$r->print('</body></html>');
}	}
Line 493 sub course_search {	Line 592 sub course_search {
# =============================== This pulls up a resource and its dependencies	# =============================== This pulls up a resource and its dependencies

sub checkonthis {	sub checkonthis {
my ($r,$url,$level,$title,$fulltext,@allwords)=@_;	my ($r,$id,$url,$level,$title,$fulltext,$symb,@allwords)=@_;
$alreadyseen{$url}=1;	$alreadyseen{$id}=1;
	if (&Apache::loncommon::connection_aborted($r)) { return; }
$r->rflush();	$r->rflush();
my $result=&Apache::lonnet::metadata($url,'title').' '.
&Apache::lonnet::metadata($url,'subject').' '.	my $result=$title.' ';
&Apache::lonnet::metadata($url,'abstract').' '.	if ($env{'request.role.adv'} \|\| !$hash{'encrypted_'.$id}) {
&Apache::lonnet::metadata($url,'keywords');	$result.=&Apache::lonnet::metadata($url,'title').' '.
if (($url) && ($fulltext)) {	&Apache::lonnet::metadata($url,'subject').' '.
$result.=&Apache::lonnet::ssi_body($url);	&Apache::lonnet::metadata($url,'abstract').' '.
	&Apache::lonnet::metadata($url,'keywords');
	}
	my ($extension)=($url=~/\.(\w+)$/);
	if (&Apache::loncommon::fileembstyle($extension) eq 'ssi' &&
	($url) && ($fulltext)) {
	$result.=&Apache::lonnet::ssi_body($url.'?symb='.&Apache::lonnet::escape($symb));
}	}
$result=~s/\s+/ /gs;	$result=~s/\s+/ /gs;
my $applies=0;	my $applies = 0;
foreach (@allwords) {	$applies = &checkwords($result,$applies,@allwords);
if ($_=~/\w/) {
if ($result=~/$_/si) {
$applies++;
}
}
}
# Does this resource apply?	# Does this resource apply?
if ($applies) {	if ($applies) {
$r->print('<br />');	$r->print('<br />');
for (my $i=0;$i<=$level*5;$i++) {	for (my $i=0;$i<=$level*5;$i++) {
$r->print(' ');	$r->print(' ');
}	}
$r->print('<a href="'.$url.'" target="cat">'.	my $href=$url;
($title?$title:$url).'</a><br />');	if ($hash{'encrypted_'.$id} && !$env{'request.role.adv'}) {
	$href=&Apache::lonenc::encrypted($href)
	.'?symb='.&Apache::lonenc::encrypted($symb);
	} else {
	$href.='?symb='.&Apache::lonnet::escape($symb);
	}
	$r->print('<a href="'.$href.'" target="cat">'.($title?$title:$url).
	'</a><br />');
$totalfound++;	$totalfound++;
} elsif ($fulltext) {	} elsif ($fulltext) {
$r->print(' .');	$r->print(' .');
Line 529 sub checkonthis {	Line 636 sub checkonthis {
my $dependencies=	my $dependencies=
&Apache::lonnet::metadata($url,'dependencies');	&Apache::lonnet::metadata($url,'dependencies');
foreach (split(/\,/,$dependencies)) {	foreach (split(/\,/,$dependencies)) {
if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {	if (($_=~/^\/res\//) && (!$alreadyseen{$id})) {
&checkonthis($r,$_,$level+1,'',$fulltext,@allwords);	&checkonthis($r,$id,$_,$level+1,'',$fulltext,undef,@allwords);
}	}
}	}
}	}

	sub checkwords {
	my ($result,$applies,@allwords) = @_;
	foreach (@allwords) {
	if ($_=~/\w/) {
	if ($result=~/$_/si) {
	$applies++;
	}
	}
	}
	return $applies;
	}

sub untiehash {	sub untiehash {
if (tied(%hash)) {	if (tied(%hash)) {
untie(%hash);	untie(%hash);
Line 544 sub untiehash {	Line 663 sub untiehash {
} # End of course search scoping	} # End of course search scoping

sub search_html_header {	sub search_html_header {
	my $html=&Apache::lonxml::xmlbegin();
my $Str = <<ENDHEADER;	my $Str = <<ENDHEADER;
<html>	$html
<head>	<head>
<title>The LearningOnline Network with CAPA</title>	<title>The LearningOnline Network with CAPA</title>
</head>	</head>
Line 568 Prints the form for the basic search. S	Line 688 Prints the form for the basic search. S
######################################################################	######################################################################
sub print_basic_search_form {	sub print_basic_search_form {
my ($r,$closebutton,$hidden_fields) = @_;	my ($r,$closebutton,$hidden_fields) = @_;
my $result = ($ENV{'form.catalogmode'} ne 'groupsearch');	my $result = ($env{'form.catalogmode'} ne 'groupsearch');
my $bodytag=&Apache::loncommon::bodytag('Search').	my $bodytag=&Apache::loncommon::bodytag('Search').
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Search_Basic',	&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Search_Basic',
undef,undef,	undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');	$env{'form.catalogmode'} ne 'groupsearch');
my $scrout = &search_html_header().$bodytag;	my $scrout = &search_html_header().$bodytag;
if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {	if (&Apache::lonnet::allowed('bre',$env{'request.role.domain'})) {
# Define interface components	# Define interface components
my $userelatedwords=	my $userelatedwords= '<label>'.
&mt('[_1] use related words',	&mt('[_1] use related words',
&Apache::lonhtmlcommon::checkbox	&Apache::lonhtmlcommon::checkbox
('related',$ENV{'form.related'},'related'));	('related',$env{'form.related'},'related')).'</label>';
my $onlysearchdomain=	my $onlysearchdomain='<label>'.
&mt('[_1] only search domain [_2]',	&mt('[_1] only search domain [_2]',
&Apache::lonhtmlcommon::checkbox('domains',	&Apache::lonhtmlcommon::checkbox('domains',
$ENV{'form.domains'},	$env{'form.domains'},
$r->dir_config('lonDefDomain')	$r->dir_config('lonDefDomain')
),	),
$r->dir_config('lonDefDomain')	$r->dir_config('lonDefDomain')
);	).'</label>';
my $adv_search_link =	my $adv_search_link =
'<a href="/adm/searchcat?'.	'<a href="/adm/searchcat?'.
'phase=disp_adv&'.	'phase=disp_adv&'.
'catalogmode='.$ENV{'form.catalogmode'}.	'catalogmode='.$env{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.	'&launch='.$env{'form.launch'}.
'&mode='.$ENV{'form.mode'}.	'&mode='.$env{'form.mode'}.
'">'.&mt('Advanced Search').'</a>';	'">'.&mt('Advanced Search').'</a>';
#	#
$scrout.='<form name="loncapa_search" method="post" '.	$scrout.='<form name="loncapa_search" method="post" '.
Line 602 sub print_basic_search_form {	Line 722 sub print_basic_search_form {
$hidden_fields;	$hidden_fields;
#	#
$scrout .= '<center>'.$/;	$scrout .= '<center>'.$/;
if ($ENV{'request.course.id'}) {	if ($env{'request.course.id'}) {
$scrout .= '<h1>'.&mt('LON-CAPA Catalog Search').'</h1>';	$scrout .= '<h1>'.&mt('LON-CAPA Catalog Search').'</h1>';
} else {	} else {
# No need to tell them they are searching	# No need to tell them they are searching
Line 612 sub print_basic_search_form {	Line 732 sub print_basic_search_form {
'<tr><td align="center" valign="top">'.	'<tr><td align="center" valign="top">'.
&Apache::lonhtmlcommon::textbox	&Apache::lonhtmlcommon::textbox
('basicexp',	('basicexp',
&HTML::Entities::encode($ENV{'form.basicexp'},'<>&"'),50	&HTML::Entities::encode($env{'form.basicexp'},'<>&"'),50
).	).
'<br />'.	'<br />'.
'<font size="-1">'.&searchhelp().'</font>'.'</td>'.	'<font size="-1">'.&searchhelp().'</font>'.'</td>'.
Line 633 sub print_basic_search_form {	Line 753 sub print_basic_search_form {
'</td></tr>'.$/;	'</td></tr>'.$/;
$scrout .= '</table>'.$/.'</center>'.'</form>';	$scrout .= '</table>'.$/.'</center>'.'</form>';
}	}
if ($ENV{'request.course.id'}) {	if ($env{'request.course.id'}) {
my %lt=&Apache::lonlocal::texthash('srch' => 'Search',	my %lt=&Apache::lonlocal::texthash('srch' => 'Search',
'header' => 'Course Search',	'header' => 'Course Search',
'note' => 'Enter terms or phrases, then press "Search" below',	'note' => 'Enter terms or phrases, then press "Search" below',
'use' => 'use related words',	'use' => 'use related words',
'full' =>'fulltext search (time consuming)'	'full' =>'fulltext search (time consuming)',
	'disc' => 'search discussion postings (resources and bulletin boards)',
);	);
$scrout.=(<<ENDCOURSESEARCH);	$scrout.=(<<ENDCOURSESEARCH);
<form name="loncapa_search" method="post" action="/adm/searchcat">	<form name="loncapa_search" method="post" action="/adm/searchcat">
Line 656 $lt{'note'}.	Line 777 $lt{'note'}.
ENDCOURSESEARCH	ENDCOURSESEARCH
$scrout.=' '.	$scrout.=' '.
&Apache::lonhtmlcommon::textbox('courseexp',	&Apache::lonhtmlcommon::textbox('courseexp',
$ENV{'form.courseexp'},40);	$env{'form.courseexp'},40);
my $crscheckbox =	my $crscheckbox =
&Apache::lonhtmlcommon::checkbox('crsfulltext',	&Apache::lonhtmlcommon::checkbox('crsfulltext',
$ENV{'form.crsfulltext'});	$env{'form.crsfulltext'});
my $relcheckbox =	my $relcheckbox =
&Apache::lonhtmlcommon::checkbox('crsrelated',	&Apache::lonhtmlcommon::checkbox('crsrelated',
$ENV{'form.crsrelated'});	$env{'form.crsrelated'});
	my $discheckbox =
	&Apache::lonhtmlcommon::checkbox('crsdiscuss',
	$env{'form.crsrelated'});
$scrout.=(<<ENDENDCOURSE);	$scrout.=(<<ENDENDCOURSE);
</td></tr>	</td></tr>
<tr><td>$relcheckbox $lt{'use'}</td><td></td></tr>	<tr><td><label>$relcheckbox $lt{'use'}</label></td><td></td></tr>
<tr><td>$crscheckbox $lt{'full'}</td><td></td></tr>	<tr><td><label>$crscheckbox $lt{'full'}</label></td><td></td></tr>
	<tr><td><label>$discheckbox $lt{'disc'}</label></td><td></td></tr>
</table><p>	</table><p>
<input type="submit" name="coursesubmit" value='$lt{'srch'}' />	<input type="submit" name="coursesubmit" value='$lt{'srch'}' />
</p>	</p>
Line 700 sub print_advanced_search_form{	Line 825 sub print_advanced_search_form{
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching',	&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching',
'Search_Advanced',	'Search_Advanced',
undef,undef,	undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');	$env{'form.catalogmode'} ne 'groupsearch');
my %lt=&Apache::lonlocal::texthash('srch' => 'Search',	my %lt=&Apache::lonlocal::texthash('srch' => 'Search',
'reset' => 'Reset',	'reset' => 'Reset',
'help' => 'Help');	'help' => 'Help');
Line 741 ENDHEADER	Line 866 ENDHEADER
'keywords','notes','abstract','standards','mime') {	'keywords','notes','abstract','standards','mime') {
$scrout.='<tr><td align="right">'.&titlefield($fields{$field}).'</td><td>'.	$scrout.='<tr><td align="right">'.&titlefield($fields{$field}).'</td><td>'.
&Apache::lonmeta::prettyinput($field,	&Apache::lonmeta::prettyinput($field,
$ENV{'form.'.$field},	$env{'form.'.$field},
$field,	$field,
'advsearch',	'advsearch',
$related_word_search{$field},	$related_word_search{$field},
'</td><td align="left">',	'</td><td align="left">',
$ENV{'form.'.$field.'_related'},	$env{'form.'.$field.'_related'},
50);	50);
if ($related_word_search{$field}) {	if ($related_word_search{$field}) {
$scrout .= 'related words';	$scrout .= 'related words';
Line 760 ENDHEADER	Line 885 ENDHEADER
'<td align="right">'.&titlefield($fields{$field}).'</td>'.	'<td align="right">'.&titlefield($fields{$field}).'</td>'.
'<td colspan="2">'.	'<td colspan="2">'.
&Apache::lonmeta::prettyinput($field,	&Apache::lonmeta::prettyinput($field,
$ENV{'form.'.$field},	$env{'form.'.$field},
$field,	$field,
'advsearch',	'advsearch',
0).	0).
Line 769 ENDHEADER	Line 894 ENDHEADER
$scrout.='<tr><td align="right">'.	$scrout.='<tr><td align="right">'.
&titlefield(&mt('MIME Type Category')).'</td><td colspan="2">'.	&titlefield(&mt('MIME Type Category')).'</td><td colspan="2">'.
&Apache::loncommon::filecategoryselect('category',	&Apache::loncommon::filecategoryselect('category',
$ENV{'form.category'}).	$env{'form.category'}).
'</td></tr>'.$/;	'</td></tr>'.$/;
$scrout.='<tr><td align="right" valign="top">'.	$scrout.='<tr><td align="right" valign="top">'.
&titlefield(&mt('Domains')).'</td><td colspan="2">'.	&titlefield(&mt('Domains')).'</td><td colspan="2">'.
&Apache::loncommon::domain_select('domains',	&Apache::loncommon::domain_select('domains',
$ENV{'form.domains'},1).	$env{'form.domains'},1).
'</td></tr>'.$/;	'</td></tr>'.$/;
#	#
# Misc metadata	# Misc metadata
$scrout.='<tr><td align="right" valign="top">'.	$scrout.='<tr><td align="right" valign="top">'.
&titlefield(&mt('Copyright/Distribution')).'</td><td colspan="2">'.	&titlefield(&mt('Copyright/Distribution')).'</td><td colspan="2">'.
&Apache::lonmeta::selectbox('copyright',	&Apache::lonmeta::selectbox('copyright',
'',,	$env{'form.copyright'},
\&Apache::loncommon::copyrightdescription,	\&Apache::loncommon::copyrightdescription,
( undef,	( undef,
&Apache::loncommon::copyrightids)	&Apache::loncommon::copyrightids)
Line 789 ENDHEADER	Line 914 ENDHEADER
$scrout.='<tr><td align="right" valign="top">'.	$scrout.='<tr><td align="right" valign="top">'.
&titlefield(&mt('Language')).'</td><td colspan="2">'.	&titlefield(&mt('Language')).'</td><td colspan="2">'.
&Apache::lonmeta::selectbox('language',	&Apache::lonmeta::selectbox('language',
'notset',,	$env{'form.language'},
\&Apache::loncommon::languagedescription,	\&Apache::loncommon::languagedescription,
('any',&Apache::loncommon::languageids)	('any',&Apache::loncommon::languageids)
).'</td></tr>';	).'</td></tr>';
Line 971 Outputs: text for box with view options	Line 1096 Outputs: text for box with view options
######################################################################	######################################################################
sub viewoptions {	sub viewoptions {
my $scrout;	my $scrout;
if (! defined($ENV{'form.viewselect'})) {	if (! defined($env{'form.viewselect'})) {
$ENV{'form.viewselect'}='detailed';	$env{'form.viewselect'}='detailed';
}	}
$scrout.=&Apache::lonmeta::selectbox('viewselect',	$scrout.=&Apache::lonmeta::selectbox('viewselect',
$ENV{'form.viewselect'},	$env{'form.viewselect'},
\&viewoptiontext,	\&viewoptiontext,
sort(keys(%Views)));	sort(keys(%Views)));
$scrout.= '  ';	$scrout.= '  ';
my $countselect = &Apache::lonmeta::selectbox('show',	my $countselect = &Apache::lonmeta::selectbox('show',
$ENV{'form.show'},	$env{'form.show'},
undef,	undef,
(10,20,50,100,1000,10000));	(10,20,50,100,1000,10000));
$scrout .= (' 'x2).&mt('[_1] Records per Page',$countselect).	$scrout .= (' 'x2).&mt('[_1] Records per Page',$countselect).
Line 1020 Outputs: returns undef on database error	Line 1145 Outputs: returns undef on database error

This function is the reverse of &make_persistent() for form data.	This function is the reverse of &make_persistent() for form data.
Retrieve persistent data from %persistent_db. Retrieved items will have their	Retrieve persistent data from %persistent_db. Retrieved items will have their
values unescaped. If a form value already exists in $ENV, it will not be	values unescaped. If a form value already exists in $env, it will not be
overwritten. Form values that are array references may have values appended	overwritten. Form values that are array references may have values appended
to them.	to them.

Line 1042 sub get_persistent_form_data {	Line 1167 sub get_persistent_form_data {
next if ($name !~ /^form./);	next if ($name !~ /^form./);
# Kludgification begins!	# Kludgification begins!
if ($name eq 'form.domains' &&	if ($name eq 'form.domains' &&
$ENV{'form.searchmode'} eq 'basic' &&	$env{'form.searchmode'} eq 'basic' &&
$ENV{'form.phase'} ne 'disp_basic') {	$env{'form.phase'} ne 'disp_basic') {
next;	next;
}	}
# End kludge (hopefully)	# End kludge (hopefully)
next if (exists($ENV{$name}));	next if (exists($env{$name}));
my @values = map {	my @values = map {
&Apache::lonnet::unescape($_);	&Apache::lonnet::unescape($_);
} split(',',$persistent_db{$name});	} split(',',$persistent_db{$name});
next if (@values <1);	next if (@values <1);
if ($arrays_allowed{$name}) {	if ($arrays_allowed{$name}) {
$ENV{$name} = [@values];	$env{$name} = [@values];
} else {	} else {
$ENV{$name} = $values[0] if ($values[0]);	$env{$name} = $values[0] if ($values[0]);
}	}
}	}
untie (%persistent_db);	untie (%persistent_db);
Line 1160 sub make_form_data_persistent {	Line 1285 sub make_form_data_persistent {
my $r = shift;	my $r = shift;
my $filename = shift;	my $filename = shift;
my %save;	my %save;
foreach (keys(%ENV)) {	foreach (keys(%env)) {
next if (!/^form/ \|\| /submit/);	next if (!/^form/ \|\| /submit/);
$save{$_} = $ENV{$_};	$save{$_} = $env{$_};
}	}
return &make_persistent(\%save,$filename);	return &make_persistent(\%save,$filename);
}	}
Line 1201 sub parse_advanced_search {	Line 1326 sub parse_advanced_search {
my @StatsFields = &statfields();	my @StatsFields = &statfields();
my @EvalFields = &evalfields();	my @EvalFields = &evalfields();
my $fillflag=0;	my $fillflag=0;
my $pretty_search_string = "<br />\n";	my $pretty_search_string = "";
# Clean up fields for safety	# Clean up fields for safety
for my $field (@BasicFields,	for my $field (@BasicFields,
'creationdatestart_month','creationdatestart_day',	'creationdatestart_month','creationdatestart_day',
Line 1210 sub parse_advanced_search {	Line 1335 sub parse_advanced_search {
'lastrevisiondatestart_month','lastrevisiondatestart_day',	'lastrevisiondatestart_month','lastrevisiondatestart_day',
'lastrevisiondatestart_year','lastrevisiondateend_month',	'lastrevisiondatestart_year','lastrevisiondateend_month',
'lastrevisiondateend_day','lastrevisiondateend_year') {	'lastrevisiondateend_day','lastrevisiondateend_year') {
$ENV{'form.'.$field}=~s/[^\w\/\s\=\-\"\']//g;	$env{'form.'.$field}=~s/[^\w\/\s\=\-\"\']//g;
}	}
foreach ('mode','form','element') {	foreach ('mode','form','element') {
# is this required? Hmmm.	# is this required? Hmmm.
next if (! exists($ENV{'form.'.$_}));	next if (! exists($env{'form.'.$_}));
$ENV{'form.'.$_}=&Apache::lonnet::unescape($ENV{'form.'.$_});	$env{'form.'.$_}=&Apache::lonnet::unescape($env{'form.'.$_});
$ENV{'form.'.$_}=~s/[^\w\/\s\=\-\"\']//g;	$env{'form.'.$_}=~s/[^\w\/\s\=\-\"\']//g;
}	}
# Preprocess the category form element.	# Preprocess the category form element.
$ENV{'form.category'} = 'any' if (! defined($ENV{'form.category'}) \|\|	$env{'form.category'} = 'any' if (! defined($env{'form.category'}) \|\|
ref($ENV{'form.category'}));	ref($env{'form.category'}));
#	#
# Check to see if enough information was filled in	# Check to see if enough information was filled in
foreach my $field (@BasicFields) {	foreach my $field (@BasicFields) {
if (&filled($ENV{'form.'.$field})) {	if (&filled($env{'form.'.$field})) {
$fillflag++;	$fillflag++;
}	}
}	}
foreach my $field (@StatsFields,@EvalFields) {	foreach my $field (@StatsFields,@EvalFields) {
if (&filled($ENV{'form.'.$field.'_max'})) {	if (&filled($env{'form.'.$field.'_max'})) {
$fillflag++;	$fillflag++;
}	}
if (&filled($ENV{'form.'.$field.'_min'})) {	if (&filled($env{'form.'.$field.'_min'})) {
$fillflag++;	$fillflag++;
}	}
}	}

for my $field ('lowestgradelevel','highestgradelevel') {	for my $field ('lowestgradelevel','highestgradelevel') {
if ( $ENV{'form.'.$field} =~ /^\d+$/ &&	if ( $env{'form.'.$field} =~ /^\d+$/ &&
$ENV{'form.'.$field} > 0) {	$env{'form.'.$field} > 0) {
$fillflag++;	$fillflag++;
}	}
}	}
Line 1254 sub parse_advanced_search {	Line 1379 sub parse_advanced_search {
my $font = '<font color="#800000" face="helvetica">';	my $font = '<font color="#800000" face="helvetica">';
# Evaluate logical expression AND/OR/NOT phrase fields.	# Evaluate logical expression AND/OR/NOT phrase fields.
foreach my $field (@BasicFields) {	foreach my $field (@BasicFields) {
next if (!defined($ENV{'form.'.$field}) \|\| $ENV{'form.'.$field} eq '');	next if (!defined($env{'form.'.$field}) \|\| $env{'form.'.$field} eq '');
my ($error,$SQLQuery) =	my ($error,$SQLQuery) =
&process_phrase_input($ENV{'form.'.$field},	&process_phrase_input($env{'form.'.$field},
$ENV{'form.'.$field.'_related'},$field);	$env{'form.'.$field.'_related'},$field);
if (defined($error)) {	if (defined($error)) {
&output_unparsed_phrase_error($r,$closebutton,'phase=disp_adv',	&output_unparsed_phrase_error($r,$closebutton,'phase=disp_adv',
$hidden_fields,$field);	$hidden_fields,$field);
return;	return;
} else {	} else {
$pretty_search_string .=	$pretty_search_string .=
$font.$field.'</font>: '.$ENV{'form.'.$field};	$font.$field.'</font>: '.$env{'form.'.$field};
if ($ENV{'form.'.$field.'_related'}) {	if ($env{'form.'.$field.'_related'}) {
my @Words =	my @Words =
&Apache::loncommon::get_related_words	&Apache::loncommon::get_related_words
($ENV{'form.'.$field});	($env{'form.'.$field});
if (@Words) {	if (@Words) {
$pretty_search_string.= ' with related words: '.	$pretty_search_string.= ' with related words: '.
join(', ',@Words[0..4]);	join(', ',@Words[0..4]);
Line 1284 sub parse_advanced_search {	Line 1409 sub parse_advanced_search {
# Make the 'mime' from 'form.category' and 'form.extension'	# Make the 'mime' from 'form.category' and 'form.extension'
#	#
my $searchphrase;	my $searchphrase;
if (exists($ENV{'form.category'}) &&	if (exists($env{'form.category'}) &&
$ENV{'form.category'} !~ /^\s*$/ &&	$env{'form.category'} !~ /^\s*$/ &&
$ENV{'form.category'} ne 'any') {	$env{'form.category'} ne 'any') {
my @extensions = &Apache::loncommon::filecategorytypes	my @extensions = &Apache::loncommon::filecategorytypes
($ENV{'form.category'});	($env{'form.category'});
if (scalar(@extensions) > 0) {	if (scalar(@extensions) > 0) {
$searchphrase = join(' OR ',@extensions);	$searchphrase = join(' OR ',@extensions);
}	}
Line 1301 sub parse_advanced_search {	Line 1426 sub parse_advanced_search {
}	}
#	#
# Evaluate option lists	# Evaluate option lists
if ($ENV{'form.lowestgradelevel'} &&	if ($env{'form.lowestgradelevel'} &&
$ENV{'form.lowestgradelevel'} ne '0' &&	$env{'form.lowestgradelevel'} ne '0' &&
$ENV{'form.lowestgradelevel'} =~ /^\d+$/) {	$env{'form.lowestgradelevel'} =~ /^\d+$/) {
push(@queries,	push(@queries,
'(lowestgradelevel>='.$ENV{'form.lowestgradelevel'}.')');	'(lowestgradelevel>='.$env{'form.lowestgradelevel'}.')');
$pretty_search_string.="lowestgradelevel>=".	$pretty_search_string.="lowestgradelevel>=".
$ENV{'form.lowestgradelevel'}."<br />\n";	$env{'form.lowestgradelevel'}."<br />\n";
}	}
if ($ENV{'form.highestgradelevel'} &&	if ($env{'form.highestgradelevel'} &&
$ENV{'form.highestgradelevel'} ne '0' &&	$env{'form.highestgradelevel'} ne '0' &&
$ENV{'form.highestgradelevel'} =~ /^\d+$/) {	$env{'form.highestgradelevel'} =~ /^\d+$/) {
push(@queries,	push(@queries,
'(highestgradelevel<='.$ENV{'form.highestgradelevel'}.')');	'(highestgradelevel<='.$env{'form.highestgradelevel'}.')');
$pretty_search_string.="highestgradelevel<=".	$pretty_search_string.="highestgradelevel<=".
$ENV{'form.highestgradelevel'}."<br />\n";	$env{'form.highestgradelevel'}."<br />\n";
}	}
if ($ENV{'form.language'} and $ENV{'form.language'} ne 'any') {	if ($env{'form.language'} and $env{'form.language'} ne 'any') {
push @queries,"(language like \"$ENV{'form.language'}\")";	push @queries,"(language like \"$env{'form.language'}\")";
$pretty_search_string.=$font."language</font>= ".	$pretty_search_string.=$font."language</font>= ".
&Apache::loncommon::languagedescription($ENV{'form.language'}).	&Apache::loncommon::languagedescription($env{'form.language'}).
"<br />\n";	"<br />\n";
}	}
if ($ENV{'form.copyright'} and $ENV{'form.copyright'} ne 'any') {	if ($env{'form.copyright'} and $env{'form.copyright'} ne 'any') {
push @queries,"(copyright like \"$ENV{'form.copyright'}\")";	push @queries,"(copyright like \"$env{'form.copyright'}\")";
$pretty_search_string.=$font."copyright</font> = ".	$pretty_search_string.=$font."copyright</font> = ".
&Apache::loncommon::copyrightdescription($ENV{'form.copyright'}).	&Apache::loncommon::copyrightdescription($env{'form.copyright'}).
"<br \>\n";	"<br />\n";
}	}
#	#
# Statistics	# Statistics
foreach my $field (@StatsFields,@EvalFields) {	foreach my $field (@StatsFields,@EvalFields) {
my ($min,$max);	my ($min,$max);
if (exists($ENV{'form.'.$field.'_min'}) &&	if (exists($env{'form.'.$field.'_min'}) &&
$ENV{'form.'.$field.'_min'} ne '') {	$env{'form.'.$field.'_min'} ne '') {
$min = $ENV{'form.'.$field.'_min'};	$min = $env{'form.'.$field.'_min'};
}	}
if (exists($ENV{'form.'.$field.'_max'}) &&	if (exists($env{'form.'.$field.'_max'}) &&
$ENV{'form.'.$field.'_max'} ne '') {	$env{'form.'.$field.'_max'} ne '') {
$max = $ENV{'form.'.$field.'_max'};	$max = $env{'form.'.$field.'_max'};
}	}
next if (! defined($max) && ! defined($min));	next if (! defined($max) && ! defined($min));
if (defined($min) && defined($max)) {	if (defined($min) && defined($max)) {
Line 1392 sub parse_advanced_search {	Line 1517 sub parse_advanced_search {
## because I was unable to figureout exactly how it worked and could	## because I was unable to figureout exactly how it worked and could
## not imagine people actually using it. MH	## not imagine people actually using it. MH
##	##
# if ($ENV{'form.custommetadata'}) {	# if ($env{'form.custommetadata'}) {
# $pretty_search_string .=$font."Custom Metadata Search</font>: <b>".	# $pretty_search_string .=$font."Custom Metadata Search</font>: <b>".
# $ENV{'form.custommetadata'}."</b><br />\n";	# $env{'form.custommetadata'}."</b><br />\n";
# $customquery=&build_custommetadata_query('custommetadata',	# $customquery=&build_custommetadata_query('custommetadata',
# $ENV{'form.custommetadata'});	# $env{'form.custommetadata'});
# }	# }
my $customshow=undef;	my $customshow=undef;
# if ($ENV{'form.customshow'}) {	# if ($env{'form.customshow'}) {
# $pretty_search_string .=$font."Custom Metadata Display</font>: <b>".	# $pretty_search_string .=$font."Custom Metadata Display</font>: <b>".
# $ENV{'form.customshow'}."</b><br />\n";	# $env{'form.customshow'}."</b><br />\n";
# $customshow=$ENV{'form.customshow'};	# $customshow=$env{'form.customshow'};
# $customshow=~s/[^\w\s]//g;	# $customshow=~s/[^\w\s]//g;
# my @fields=split(/\s+/,$customshow);	# my @fields=split(/\s+/,$customshow);
# $customshow=join(" ",@fields);	# $customshow=join(" ",@fields);
Line 1410 sub parse_advanced_search {	Line 1535 sub parse_advanced_search {
##	##
## Deal with restrictions to given domains	## Deal with restrictions to given domains
##	##
my ($libraries_to_query,$pretty_domains_string) =	my ($libraries_to_query,$pretty_domains_string,$domain_sql_restriction) =
&parse_domain_restrictions();	&parse_domain_restrictions();
	push(@queries,$domain_sql_restriction);
$pretty_search_string .= $pretty_domains_string."<br />\n";	$pretty_search_string .= $pretty_domains_string."<br />\n";
#	#
if (@queries) {	if (@queries) {
Line 1419 sub parse_advanced_search {	Line 1545 sub parse_advanced_search {
} elsif ($customquery) {	} elsif ($customquery) {
$query = '';	$query = '';
}	}
# &Apache::lonnet::logthis('query = '.$/.$query);	#&Apache::lonnet::logthis('advanced query = '.$/.$query);
return ($query,$customquery,$customshow,$libraries_to_query,	return ($query,$customquery,$customshow,$libraries_to_query,
$pretty_search_string);	$pretty_search_string);
}	}

sub parse_domain_restrictions {	sub parse_domain_restrictions {
my $libraries_to_query = undef;	my $libraries_to_query = undef;
# $ENV{'form.domains'} can be either a scalar or an array reference.	# $env{'form.domains'} can be either a scalar or an array reference.
# We need an array.	# We need an array.
if (! exists($ENV{'form.domains'}) \|\| $ENV{'form.domains'} eq '') {	if (! exists($env{'form.domains'}) \|\| $env{'form.domains'} eq '') {
return (undef,'');	return (undef,'',undef);
}
my @allowed_domains;
if (ref($ENV{'form.domains'})) {
@allowed_domains = @{$ENV{'form.domains'}};
} else {
@allowed_domains = ($ENV{'form.domains'});
}	}
	my @allowed_domains = &Apache::loncommon::get_env_multiple('form.domains');
#	#
my %domain_hash = ();	my %domain_hash = ();
my $pretty_domains_string;	my $pretty_domains_string;
	my $domain_sql_restriction;
foreach (@allowed_domains) {	foreach (@allowed_domains) {
$domain_hash{$_}++;	$domain_hash{$_}++;
}	}
if ($domain_hash{'any'}) {	if ($domain_hash{'any'}) {
$pretty_domains_string = "In all LON-CAPA domains.";	$pretty_domains_string = "In all LON-CAPA domains.";
	$domain_sql_restriction = undef;
} else {	} else {
if (@allowed_domains > 1) {	if (@allowed_domains > 1) {
$pretty_domains_string = "In LON-CAPA domains:";	$pretty_domains_string = "In LON-CAPA domains:";
} else {	} else {
$pretty_domains_string = "In LON-CAPA domain ";	$pretty_domains_string = "In LON-CAPA domain ";
}	}
	$domain_sql_restriction =
	'(domain="'.join('" OR domain="',@allowed_domains).'")';
foreach (sort @allowed_domains) {	foreach (sort @allowed_domains) {
$pretty_domains_string .= "<b>".$_."</b> ";	$pretty_domains_string .= "<b>".$_."</b> ";
}	}
Line 1460 sub parse_domain_restrictions {	Line 1585 sub parse_domain_restrictions {
}	}
}	}
}	}
return ($libraries_to_query,$pretty_domains_string);	return ($libraries_to_query,
	$pretty_domains_string,
	$domain_sql_restriction);
}	}

######################################################################	######################################################################
Line 1481 sub parse_basic_search {	Line 1608 sub parse_basic_search {
#	#
# Clean up fields for safety	# Clean up fields for safety
for my $field ('basicexp') {	for my $field ('basicexp') {
$ENV{"form.$field"}=~s/[^\w\s\'\"\!\-]//g;	$env{"form.$field"}=~s/[^\w\s\'\"\!\-]//g;
}	}
foreach ('mode','form','element') {	foreach ('mode','form','element') {
# is this required? Hmmm.	# is this required? Hmmm.
next unless (exists($ENV{"form.$_"}));	next unless (exists($env{"form.$_"}));
$ENV{"form.$_"}=&Apache::lonnet::unescape($ENV{"form.$_"});	$env{"form.$_"}=&Apache::lonnet::unescape($env{"form.$_"});
$ENV{"form.$_"}=~s/[^\w\/\s\=\-\"\']//g;	$env{"form.$_"}=~s/[^\w\/\s\=\-\"\']//g;
}	}
my ($libraries_to_query,$pretty_domains_string) =	my ($libraries_to_query,$pretty_domains_string,$domain_sql_restriction) =
&parse_domain_restrictions();	&parse_domain_restrictions();
#	#
# Check to see if enough of a query is filled in	# Check to see if enough of a query is filled in
my $search_string = $ENV{'form.basicexp'};	my $search_string = $env{'form.basicexp'};
if (! &filled($search_string)) {	if (! &filled($search_string)) {
&output_blank_field_error($r,$closebutton,'phase=disp_basic');	&output_blank_field_error($r,$closebutton,'phase=disp_basic');
return OK;	return OK;
Line 1505 sub parse_basic_search {	Line 1632 sub parse_basic_search {
'notes','abstract','keywords')	'notes','abstract','keywords')
).')';	).')';
my ($error,$SQLQuery) = &process_phrase_input($search_string,	my ($error,$SQLQuery) = &process_phrase_input($search_string,
$ENV{'form.related'},	$env{'form.related'},
$searchfield);	$searchfield);
if ($error) {	if ($error) {
&output_unparsed_phrase_error($r,$closebutton,'phase=disp_basic',	&output_unparsed_phrase_error($r,$closebutton,'phase=disp_basic',
Line 1513 sub parse_basic_search {	Line 1640 sub parse_basic_search {
return;	return;
}	}
push(@Queries,$SQLQuery);	push(@Queries,$SQLQuery);
	if (defined($domain_sql_restriction) && $domain_sql_restriction ne '') {
	push(@Queries,$domain_sql_restriction);
	}
#foreach my $q (@Queries) {	#foreach my $q (@Queries) {
# &Apache::lonnet::logthis(' '.$q);	# &Apache::lonnet::logthis(' '.$q);
#}	#}
Line 1523 sub parse_basic_search {	Line 1653 sub parse_basic_search {
}	}
$pretty_search_string .= "<br />\n";	$pretty_search_string .= "<br />\n";
$pretty_search_string =~ s:^<br /> and ::;	$pretty_search_string =~ s:^<br /> and ::;
# &Apache::lonnet::logthis($final_query);	#&Apache::lonnet::logthis('simple search final query = '.$/.$final_query);
return ($final_query,$pretty_search_string,	return ($final_query,$pretty_search_string,
$libraries_to_query);	$libraries_to_query);
}	}
Line 1877 sub copyright_check {	Line 2007 sub copyright_check {
$Metadata->{'url'});	$Metadata->{'url'});
# Check for priv	# Check for priv
if (($Metadata->{'copyright'} eq 'priv') &&	if (($Metadata->{'copyright'} eq 'priv') &&
(($ENV{'user.name'} ne $resname) &&	(($env{'user.name'} ne $resname) &&
($ENV{'user.domain'} ne $resdom))) {	($env{'user.domain'} ne $resdom))) {
return 0;	return 0;
}	}
# Check for domain	# Check for domain
if (($Metadata->{'copyright'} eq 'domain') &&	if (($Metadata->{'copyright'} eq 'domain') &&
($ENV{'user.domain'} ne $resdom)) {	($env{'user.domain'} ne $resdom)) {
return 0;	return 0;
}	}
return 1;	return 1;
Line 1964 sub print_sort_form {	Line 2094 sub print_sort_form {
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1).	my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1).
&Apache::lonhtmlcommon::breadcrumbs	&Apache::lonhtmlcommon::breadcrumbs
(undef,'Searching','Searching',undef,undef,	(undef,'Searching','Searching',undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');	$env{'form.catalogmode'} ne 'groupsearch');

##	##
my %SortableFields=&Apache::lonlocal::texthash(	my %SortableFields=&Apache::lonlocal::texthash(
Line 1983 sub print_sort_form {	Line 2113 sub print_sort_form {
lastrevisiondate => 'Revision Date'	lastrevisiondate => 'Revision Date'
);	);
##	##
my $table = $ENV{'form.table'};	my $table = $env{'form.table'};
return if (! &ensure_db_and_table($r,$table));	return if (! &ensure_db_and_table($r,$table));
##	##
## Get the number of results	## Get the number of results
Line 1997 sub print_sort_form {	Line 2127 sub print_sort_form {
return;	return;
}	}
my $result;	my $result;
	my $html=&Apache::lonxml::xmlbegin();
$result.=<<END;	$result.=<<END;
<html>	$html
<head>	<head>
<script>	<script>
function change_sort() {	function change_sort() {
var newloc = "/adm/searchcat?phase=results";	var newloc = "/adm/searchcat?phase=results";
newloc += "&persistent_db_id=$ENV{'form.persistent_db_id'}";	newloc += "&persistent_db_id=$env{'form.persistent_db_id'}";
newloc += "&sortby=";	newloc += "&sortby=";
newloc += document.forms.statusform.elements.sortby.value;	newloc += document.forms.statusform.elements.sortby.value;
parent.resultsframe.location= newloc;	parent.resultsframe.location= newloc;
Line 2018 END	Line 2149 END

#<h2>Sort Results</h2>	#<h2>Sort Results</h2>
#Sort by: <select size="1" name="sortby" onchange="javascript:change_sort();">	#Sort by: <select size="1" name="sortby" onchange="javascript:change_sort();">
# $ENV{'form.sortby'} = 'id' if (! defined($ENV{'form.sortby'}));	# $env{'form.sortby'} = 'id' if (! defined($env{'form.sortby'}));
# foreach (keys(%SortableFields)) {	# foreach (keys(%SortableFields)) {
# $result.="<option name=\"$_\"";	# $result.="<option name=\"$_\"";
# if ($_ eq $ENV{'form.sortby'}) {	# if ($_ eq $env{'form.sortby'}) {
# $result.=" selected ";	# $result.=" selected ";
# }	# }
# $result.=" >$SortableFields{$_}</option>\n";	# $result.=" >$SortableFields{$_}</option>\n";
Line 2072 my @Fullindicies;	Line 2203 my @Fullindicies;
=item &create_results_table()	=item &create_results_table()

Creates the table of search results by calling lonmysql. Stores the	Creates the table of search results by calling lonmysql. Stores the
table id in $ENV{'form.table'}	table id in $env{'form.table'}

Inputs: none.	Inputs: none.

Line 2103 sub create_results_table {	Line 2234 sub create_results_table {
FULLTEXT => [{'columns' => \@Fullindicies},],	FULLTEXT => [{'columns' => \@Fullindicies},],
} );	} );
if (defined($table)) {	if (defined($table)) {
$ENV{'form.table'} = $table;	$env{'form.table'} = $table;
return $table;	return $table;
}	}
return undef; # Error...	return undef; # Error...
Line 2204 Returns: html string for a 'revise searc	Line 2335 Returns: html string for a 'revise searc
######################################################################	######################################################################
sub revise_button {	sub revise_button {
my $revise_phase = 'disp_basic';	my $revise_phase = 'disp_basic';
$revise_phase = 'disp_adv' if ($ENV{'form.searchmode'} eq 'advanced');	$revise_phase = 'disp_adv' if ($env{'form.searchmode'} eq 'advanced');
my $newloc = '/adm/searchcat'.	my $newloc = '/adm/searchcat'.
'?persistent_db_id='.$ENV{'form.persistent_db_id'}.	'?persistent_db_id='.$env{'form.persistent_db_id'}.
'&cleargroupsort=1'.	'&cleargroupsort=1'.
'&phase='.$revise_phase;	'&phase='.$revise_phase;
my $result = qq{<input type="button" value="Revise search" name="revise"} .	my $result = qq{<input type="button" value="Revise search" name="revise"} .
Line 2233 sub run_search {	Line 2364 sub run_search {
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);	my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
$bodytag.=&Apache::lonhtmlcommon::breadcrumbs	$bodytag.=&Apache::lonhtmlcommon::breadcrumbs
(undef,'Searching','Searching',undef,undef,	(undef,'Searching','Searching',undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');	$env{'form.catalogmode'} ne 'groupsearch');
my $connection = $r->connection;	my $connection = $r->connection;
#	#
# Print run_search header	# Print run_search header
#	#
	my $html=&Apache::lonxml::xmlbegin();
$r->print(<<END);	$r->print(<<END);
<html>	$html
<head><title>Search Status</title></head>	<head>
	<title>Search Status</title></head>
$bodytag	$bodytag
<form name="statusform" action="" method="post">	<form name="statusform" action="" method="post">
<input type="hidden" name="Queue" value="" />	<input type="hidden" name="Queue" value="" />
END	END
# Check to see if $pretty_string has more than one carriage return.	# Remove leading and trailing <br />
# Assume \n s are following <br /> s and truncate the value.	$pretty_string =~ s:^\s*<br />::i;
# (there is probably a better way)...	$pretty_string =~ s:(<br />)\s$::im;
my @Lines = split /<br \/>/,$pretty_string;	my @Lines = split("<br />",$pretty_string);
	# I keep getting blank items at the end of the list, hence the following:
	while ($Lines[-1] =~ /^\s*$/ && @Lines) {
	pop(@Lines);
	}
if (@Lines > 2) {	if (@Lines > 2) {
$pretty_string = join '<br \>',(@Lines[0..2],'....<br />');	$pretty_string = join '<br />',(@Lines[0..2],'....<br />');
}	}
$r->print(&mt("Search: [_1]",$pretty_string));	$r->print(&mt("Search: [_1]",$pretty_string));
$r->rflush();	$r->rflush();
Line 2269 END	Line 2406 END
my %Server_status;	my %Server_status;
#	#
# Check on the mysql table we will use to store results.	# Check on the mysql table we will use to store results.
my $table =$ENV{'form.table'};	my $table =$env{'form.table'};
if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {	if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {
$r->print("Unable to determine table id to store search results in.".	$r->print("Unable to determine table id to store search results in.".
"The search has been aborted.</body></html>");	"The search has been aborted.</body></html>");
Line 2279 END	Line 2416 END
if (! defined($table_status)) {	if (! defined($table_status)) {
$r->print("Unable to determine status of table.</body></html>");	$r->print("Unable to determine status of table.</body></html>");
&Apache::lonnet::logthis("Bogus table id of $table for ".	&Apache::lonnet::logthis("Bogus table id of $table for ".
"$ENV{'user.name'} @ $ENV{'user.domain'}");	"$env{'user.name'} @ $env{'user.domain'}");
&Apache::lonnet::logthis("lonmysql error = ".	&Apache::lonnet::logthis("lonmysql error = ".
&Apache::lonmysql::get_error());	&Apache::lonmysql::get_error());
return;	return;
Line 2304 END	Line 2441 END
<table>	<table>
<tr><th>Status</th><th>Total Matches</th><th>Time Remaining</th><th></th></tr>	<tr><th>Status</th><th>Total Matches</th><th>Time Remaining</th><th></th></tr>
<tr>	<tr>
<td><input type="text" name="status" value="" size="30" /></td>	<td><input type="text" name="status" value="" size="50" /></td>
<td><input type="text" name="count" value="" size="10" /></td>	<td><input type="text" name="count" value="" size="10" /></td>
<td><input type="text" name="seconds" value="" size="8" /></td>	<td><input type="text" name="seconds" value="" size="8" /></td>
<td>$revise</td>	<td>$revise</td>
Line 2351 END	Line 2488 END
delete ($Server_status{$server});	delete ($Server_status{$server});
next;	next;
}	}
$status=~/^([\.\w]+)$/;	$status=~s\|/\|\|g;
my $datafile=$r->dir_config('lonDaemons').'/tmp/'.$1;	my $datafile=$r->dir_config('lonDaemons').'/tmp/'.$status;
if (-e $datafile && ! -e "$datafile.end") {	if (-e $datafile && ! -e "$datafile.end") {
&update_status($r,&mt('Receiving results from [_1]',$server));	&update_status($r,&mt('Receiving results from [_1]',$server));
next;	next;
Line 2418 END	Line 2555 END
# results to get, so let the client know the top frame needs to be	# results to get, so let the client know the top frame needs to be
# loaded from /adm/searchcat	# loaded from /adm/searchcat
$r->print("</body></html>");	$r->print("</body></html>");
# if ($ENV{'form.catalogmode'} ne 'groupsearch') {	# if ($env{'form.catalogmode'} ne 'groupsearch') {
$r->print("<script>".	$r->print("<script>".
"window.location='/adm/searchcat?".	"window.location='/adm/searchcat?".
"phase=sort&".	"phase=sort&".
"persistent_db_id=$ENV{'form.persistent_db_id'}';".	"persistent_db_id=$env{'form.persistent_db_id'}';".
"</script>");	"</script>");
# }	# }
return;	return;
Line 2477 sub display_results {	Line 2614 sub display_results {
##	##
## Set viewing function	## Set viewing function
##	##
my $viewfunction = $Views{$ENV{'form.viewselect'}};	my $viewfunction = $Views{$env{'form.viewselect'}};
if (!defined($viewfunction)) {	if (!defined($viewfunction)) {
$r->print("Internal Error - Bad view selected.\n");	$r->print("Internal Error - Bad view selected.\n");
$r->rflush();	$r->rflush();
Line 2493 sub display_results {	Line 2630 sub display_results {
my $action = "/adm/searchcat?phase=results";	my $action = "/adm/searchcat?phase=results";
##	##
## Deal with groupsearch by opening the groupsearch db file.	## Deal with groupsearch by opening the groupsearch db file.
if ($ENV{'form.catalogmode'} eq 'groupsearch') {	if ($env{'form.catalogmode'} eq 'groupsearch') {
if (! tie(%groupsearch_db,'GDBM_File',$diropendb,	if (! tie(%groupsearch_db,'GDBM_File',$diropendb,
&GDBM_WRCREAT(),0640)) {	&GDBM_WRCREAT(),0640)) {
$r->print('Unable to store import results.</form></body></html>');	$r->print('Unable to store import results.</form></body></html>');
Line 2503 sub display_results {	Line 2640 sub display_results {
}	}
##	##
## Prepare the table for querying	## Prepare the table for querying
my $table = $ENV{'form.table'};	my $table = $env{'form.table'};
return if (! &ensure_db_and_table($r,$table));	return if (! &ensure_db_and_table($r,$table));
##	##
## Get the number of results	## Get the number of results
Line 2517 sub display_results {	Line 2654 sub display_results {
}	}
##	##
## Determine how many results we need to get	## Determine how many results we need to get
$ENV{'form.start'} = 1 if (! exists($ENV{'form.start'}));	$env{'form.start'} = 1 if (! exists($env{'form.start'}));
$ENV{'form.show'} = 20 if (! exists($ENV{'form.show'}));	$env{'form.show'} = 20 if (! exists($env{'form.show'}));
if (exists($ENV{'form.prev'})) {	if (exists($env{'form.prev'})) {
$ENV{'form.start'} -= $ENV{'form.show'};	$env{'form.start'} -= $env{'form.show'};
} elsif (exists($ENV{'form.next'})) {	} elsif (exists($env{'form.next'})) {
$ENV{'form.start'} += $ENV{'form.show'};	$env{'form.start'} += $env{'form.show'};
}	}
$ENV{'form.start'} = 1 if ($ENV{'form.start'}<1);	$env{'form.start'} = 1 if ($env{'form.start'}<1);
$ENV{'form.start'} = $total_results if ($ENV{'form.start'}>$total_results);	$env{'form.start'} = $total_results if ($env{'form.start'}>$total_results);
my $min = $ENV{'form.start'};	my $min = $env{'form.start'};
my $max;	my $max;
if ($ENV{'form.show'} eq 'all') {	if ($env{'form.show'} eq 'all') {
$max = $total_results ;	$max = $total_results ;
} else {	} else {
$max = $min + $ENV{'form.show'} - 1;	$max = $min + $env{'form.show'} - 1;
$max = $total_results if ($max > $total_results);	$max = $total_results if ($max > $total_results);
}	}
##	##
Line 2541 sub display_results {	Line 2678 sub display_results {
&hidden_field('persistent_db_id').	&hidden_field('persistent_db_id').
&hidden_field('start')	&hidden_field('start')
);	);
	#
	# Build sorting selector
	my @fields =
	(
	{key=>'default' },
	{key=>'title' },
	{key =>'author' },
	{key =>'subject'},
	{key =>'url',desc=>'URL'},
	{key =>'keywords'},
	{key =>'language'},
	{key =>'creationdate'},
	{key =>'lastrevisiondate'},
	{key =>'owner'},
	{key =>'copyright'},
	{key =>'authorspace'},
	{key =>'lowestgradelevel'},
	{key =>'highestgradelevel'},
	{key =>'standards',desc=>'Standards'},
	{key =>'count',desc=>'Number of accesses'},
	{key =>'stdno',desc=>'Students Attempting'},
	{key =>'avetries',desc=>'Average Number of Tries'},
	{key =>'difficulty',desc=>'Mean Degree of Difficulty'},
	{key =>'disc',desc=>'Mean Degree of Discrimination'},
	{key =>'clear',desc=>'Evaluation: Clear'},
	{key =>'technical',desc=>'Evaluation: Technically Correct'},
	{key =>'correct',desc=>'Evaluation: Material is Correct'},
	{key =>'helpful',desc=>'Evaluation: Material is Helpful'},
	{key =>'depth',desc=>'Evaluation: Material has Depth'},
	);
	my %fieldnames = &Apache::lonmeta::fieldnames();
	my @field_order;
	foreach my $field_data (@fields) {
	push(@field_order,$field_data->{'key'});
	if (! exists($field_data->{'desc'})) {
	$field_data->{'desc'}=$fieldnames{$field_data->{'key'}};
	} else {
	if (! defined($field_data->{'desc'})) {
	$field_data->{'desc'} = ucfirst($field_data->{'key'});
	}
	$field_data->{'desc'} = &mt($field_data->{'desc'});
	}
	}
	my %sort_fields = map {$_->{'key'},$_->{'desc'}} @fields;
	$sort_fields{'select_form_order'} = \@field_order;
	$env{'form.sortorder'} = 'asc' if (! exists($env{'form.sortorder'}));
	my $sortform = &mt('Sort by [_1] [_2]',
	&Apache::loncommon::select_form($env{'form.sortfield'},
	'sortfield',
	%sort_fields),
	&Apache::loncommon::select_form($env{'form.sortorder'},
	'sortorder',
	(asc =>&mt('Ascending'),
	desc=>&mt('Descending')
	))
	);
##	##
## Output links (if necessary) for 'prev' and 'next' pages.	## Output links (if necessary) for 'prev' and 'next' pages.
$r->print	$r->print
('<table width="100%"><tr><td width="50%" align="right">'.	('<table width="100%"><tr><td width="25%" align="right">'.
&prev_next_buttons($min,$ENV{'form.show'},$total_results).	'<nobr>'.$sortform.'</nobr>'.
	'</td><td width="25%" align="right">'.
	&prev_next_buttons($min,$env{'form.show'},$total_results).
'</td><td align="right">'.	'</td><td align="right">'.
&viewoptions().'</td></tr></table>'	&viewoptions().'</td></tr></table>'
);	);
Line 2555 sub display_results {	Line 2750 sub display_results {
"</form></body></html>");	"</form></body></html>");
return;	return;
} else {	} else {
$r->print	$r->print('<center>'.
("<center>Results $min to $max out of $total_results</center>\n");	mt('Results [_1] to [_2] out of [_3]',
	$min,$max,$total_results).
	"</center>\n");
}	}
##	##
## Get results from MySQL table	## Get results from MySQL table
my @Results = &Apache::lonmysql::get_rows($table,	my $sort_command = 'id>='.$min.' AND id<='.$max;
'id>='.$min.' AND id<='.$max);	my $order;
	if (exists($env{'form.sortorder'})) {
	if ($env{'form.sortorder'} eq 'asc') {
	$order = 'ASC';
	} elsif ($env{'form.sortorder'} eq 'desc') {
	$order = 'DESC';
	} else {
	$order = '';
	}
	} else {
	$order = '';
	}
	if ($env{'form.sortfield'} ne 'default' &&
	exists($sort_fields{$env{'form.sortfield'}})) {
	$sort_command = $env{'form.sortfield'}.' IS NOT NULL '.
	'ORDER BY '.$env{'form.sortfield'}.' '.$order.
	' LIMIT '.($min-1).','.($max-$min);
	}
	my @Results = &Apache::lonmysql::get_rows($table,$sort_command);
##	##
## Loop through the results and output them.	## Loop through the results and output them.
foreach my $row (@Results) {	foreach my $row (@Results) {
Line 2587 sub display_results {	Line 2802 sub display_results {
} else {	} else {
$r->print	$r->print
('<center>'.	('<center>'.
&prev_next_buttons($min,$ENV{'form.show'},$total_results,	&prev_next_buttons($min,$env{'form.show'},$total_results,
"table=".$ENV{'form.table'}.	"table=".$env{'form.table'}.
"&phase=results".	"&phase=results".
"&persistent_db_id=".	"&persistent_db_id=".
$ENV{'form.persistent_db_id'})	$env{'form.persistent_db_id'})
."</center>\n"	."</center>\n"
);	);
}	}
Line 2609 sub display_results {	Line 2824 sub display_results {
=item &catalogmode_output($title,$url,$fnum,$checkbox_num)	=item &catalogmode_output($title,$url,$fnum,$checkbox_num)

Returns html needed for the various catalog modes. Gets inputs from	Returns html needed for the various catalog modes. Gets inputs from
$ENV{'form.catalogmode'}. Stores data in %groupsearch_db.	$env{'form.catalogmode'}. Stores data in %groupsearch_db.

=cut	=cut

Line 2618 $ENV{'form.catalogmode'}. Stores data i	Line 2833 $ENV{'form.catalogmode'}. Stores data i
sub catalogmode_output {	sub catalogmode_output {
my $output = '';	my $output = '';
my ($title,$url,$fnum,$checkbox_num) = @_;	my ($title,$url,$fnum,$checkbox_num) = @_;
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($env{'form.catalogmode'} eq 'interactive') {
$title=~ s/\'/\\\'/g;	$title=~ s/\'/\\\'/g;
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($env{'form.catalogmode'} eq 'interactive') {
$output.=<<END	$output.=<<END
<font size='-1'><INPUT TYPE="button" NAME="returnvalues" VALUE="SELECT"	<font size='-1'><INPUT TYPE="button" NAME="returnvalues" VALUE="SELECT"
onClick="javascript:select_data('$title','$url')">	onClick="javascript:select_data('$title','$url')">
</font>	</font>
END	END
}	}
} elsif ($ENV{'form.catalogmode'} eq 'groupsearch') {	} elsif ($env{'form.catalogmode'} eq 'groupsearch') {
$groupsearch_db{"pre_${fnum}_link"}=$url;	$groupsearch_db{"pre_${fnum}_link"}=$url;
$groupsearch_db{"pre_${fnum}_title"}=$title;	$groupsearch_db{"pre_${fnum}_title"}=$title;
$output.=<<END;	$output.=<<END;
Line 2717 sub handle_custom_fields {	Line 2932 sub handle_custom_fields {
my $customshow='';	my $customshow='';
my $extrashow='';	my $extrashow='';
my @customfields;	my @customfields;
if ($ENV{'form.customshow'}) {	if ($env{'form.customshow'}) {
$customshow=$ENV{'form.customshow'};	$customshow=$env{'form.customshow'};
$customshow=~s/[^\w\s]//g;	$customshow=~s/[^\w\s]//g;
my @fields=map {	my @fields=map {
"<font color=\"#008000\">$_:</font><!-- $_ -->";	"<font color=\"#008000\">$_:</font><!-- $_ -->";
Line 2752 sub handle_custom_fields {	Line 2967 sub handle_custom_fields {
Output the proper html headers and javascript code to deal with different	Output the proper html headers and javascript code to deal with different
calling modes.	calling modes.

Takes most inputs directly from %ENV, except $mode.	Takes most inputs directly from %env, except $mode.

=over 4	=over 4

Line 2797 sub search_results_header {	Line 3012 sub search_results_header {
# output beginning of search page	# output beginning of search page
# conditional output of script functions dependent on the mode in	# conditional output of script functions dependent on the mode in
# which the search was invoked	# which the search was invoked
if ($ENV{'form.catalogmode'} eq 'interactive'){	if ($env{'form.catalogmode'} eq 'interactive'){
if (! exists($ENV{'form.mode'}) \|\| $ENV{'form.mode'} ne 'edit') {	if (! exists($env{'form.mode'}) \|\| $env{'form.mode'} ne 'edit') {
$result.=<<SCRIPT;	$result.=<<SCRIPT;
<script type="text/javascript">	<script type="text/javascript">
function select_data(title,url) {	function select_data(title,url) {
Line 2818 sub search_results_header {	Line 3033 sub search_results_header {
}	}
</script>	</script>
SCRIPT	SCRIPT
} elsif ($ENV{'form.mode'} eq 'edit') {	} elsif ($env{'form.mode'} eq 'edit') {
my $form = $ENV{'form.form'};	my $form = $env{'form.form'};
my $element = $ENV{'form.element'};	my $element = $env{'form.element'};
my $titleelement = $ENV{'form.titleelement'};	my $titleelement = $env{'form.titleelement'};
my $changetitle;	my $changetitle;
if (!$titleelement) {	if (!$titleelement) {
$changetitle='function changeTitle(val) {}';	$changetitle='function changeTitle(val) {}';
Line 2858 function changeURL(val) {	Line 3073 function changeURL(val) {
SCRIPT	SCRIPT
}	}
}	}
$result.=<<SCRIPT if $ENV{'form.catalogmode'} eq 'groupsearch';	$result.=<<SCRIPT if $env{'form.catalogmode'} eq 'groupsearch';
<script type="text/javascript">	<script type="text/javascript">
function queue(checkbox_num,val) {	function queue(checkbox_num,val) {
if (document.forms.results.returnvalues.length != "undefined" &&	if (document.forms.results.returnvalues.length != "undefined" &&
Line 2878 SCRIPT	Line 3093 SCRIPT
}	}
function select_group() {	function select_group() {
parent.window.location=	parent.window.location=
"/adm/groupsort?mode=$ENV{'form.mode'}&catalogmode=groupsearch&acts="+	"/adm/groupsort?mode=$env{'form.mode'}&catalogmode=groupsearch&acts="+
parent.statusframe.document.forms.statusform.elements.Queue.value;	parent.statusframe.document.forms.statusform.elements.Queue.value;
}	}
</script>	</script>
Line 2897 END	Line 3112 END
######################################################################	######################################################################
sub search_status_header {	sub search_status_header {
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);	my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
	my $html=&Apache::lonxml::xmlbegin();
return <<ENDSTATUS;	return <<ENDSTATUS;
<html><head><title>Search Status</title></head>	$html
	<head>
	<title>Search Status</title></head>
$bodytag	$bodytag
<h3>Search Status</h3>	<h3>Search Status</h3>
Sending search request to LON-CAPA servers.<br />	Sending search request to LON-CAPA servers.<br />
Line 2906 ENDSTATUS	Line 3124 ENDSTATUS
}	}

sub results_link {	sub results_link {
my $basic_link = "/adm/searchcat?"."&table=".$ENV{'form.table'}.	my $basic_link = "/adm/searchcat?"."&table=".$env{'form.table'}.
"&persistent_db_id=".$ENV{'form.persistent_db_id'};	"&persistent_db_id=".$env{'form.persistent_db_id'};
my $results_link = $basic_link."&phase=results".	my $results_link = $basic_link."&phase=results".
"&pause=1"."&start=1";	"&pause=1"."&start=1";
return $results_link;	return $results_link;
Line 2917 sub results_link {	Line 3135 sub results_link {
######################################################################	######################################################################
sub print_frames_interface {	sub print_frames_interface {
my $r = shift;	my $r = shift;
my $basic_link = "/adm/searchcat?"."&table=".$ENV{'form.table'}.	my $basic_link = "/adm/searchcat?"."&table=".$env{'form.table'}.
"&persistent_db_id=".$ENV{'form.persistent_db_id'};	"&persistent_db_id=".$env{'form.persistent_db_id'};
my $run_search_link = $basic_link."&phase=run_search";	my $run_search_link = $basic_link."&phase=run_search";
my $results_link = &results_link();	my $results_link = &results_link();
	my $html=&Apache::lonxml::xmlbegin();
my $result = <<"ENDFRAMES";	my $result = <<"ENDFRAMES";
<html>	$html
<head>	<head>
<script>	<script>
var targetwin = opener;	var targetwin = opener;
Line 3078 sub detailed_citation_view {	Line 3297 sub detailed_citation_view {
} elsif (exists($field->{'format'}) && $field->{'format'} ne ''){	} elsif (exists($field->{'format'}) && $field->{'format'} ne ''){
$result.= &mt($field->{'translate'},	$result.= &mt($field->{'translate'},
sprintf($field->{'format'},	sprintf($field->{'format'},
$values{$field->{'name'}})).'<br />'."\n";	$values{$field->{'name'}}))."<br />\n";
} else {	} else {
if ($field->{'special'} eq 'url link') {	if ($field->{'special'} eq 'url link') {
$result.=	$result.=
Line 3118 sub detailed_citation_view {	Line 3337 sub detailed_citation_view {
sub summary_view {	sub summary_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
my $icon=&Apache::loncommon::icon($values{'url'});	my $icon=&Apache::loncommon::icon($values{'url'});
my $result=<<END;	my $result=qq{$prefix<img src="$icon" />};
$prefix<img src="$icon" />	if (exists($env{'form.sortfield'}) &&
	$env{'form.sortfield'} !~ /^(default\|
	author\|
	url\|
	title\|
	owner\|
	lastrevisiondate\|
	copyright)$/x) {
	my $tmp = $values{$env{'form.sortfield'}};
	if (! defined($tmp)) { $tmp = 'undefined'; }
	$result .= ' '.$tmp.' ';
	}
	$result.=<<END;
<a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	<a href="http://$ENV{'HTTP_HOST'}$values{'url'}"
target='search_preview'>$values{'author'}</a><br />	target='search_preview'>$values{'title'}</a><br />
$values{'title'}<br />	$values{'author'}, $values{'owner'} -- $values{'lastrevisiondate'}<br />
$values{'owner'} -- $values{'lastrevisiondate'}<br />
$values{'copyrighttag'}<br />	$values{'copyrighttag'}<br />
$values{'extrashow'}	$values{'extrashow'}
</p>	</p>
Line 3146 END	Line 3376 END
sub compact_view {	sub compact_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
my $result =	my $result =
$prefix.'<img src="'.&Apache::loncommon::icon($values{'url'}).	$prefix.'<img src="'.&Apache::loncommon::icon($values{'url'}).'">';
'"> <a href="'.$values{'url'}.'" target="search_preview">'.	if (exists($env{'form.sortfield'}) &&
	$env{'form.sortfield'} !~ /^(default\|author\|url\|title)$/) {
	my $tmp = $values{$env{'form.sortfield'}};
	if (! defined($tmp)) { $tmp = 'undefined'; }
	$result .= ' '.$tmp.' ';
	}
	$result.=' <a href="'.$values{'url'}.'" target="search_preview">'.
$values{'title'}.'</a>'.(' 'x2).	$values{'title'}.'</a>'.(' 'x2).
'<b>'.$values{'author'}.'</b><br />';	'<b>'.$values{'author'}.'</b><br />';
return $result;	return $result;
Line 3176 $prefix <img src="$icon" />	Line 3412 $prefix <img src="$icon" />
<dd><a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	<dd><a href="http://$ENV{'HTTP_HOST'}$values{'url'}"
target='search_preview'>$values{'url'}</a></dd>	target='search_preview'>$values{'url'}</a></dd>
END	END
foreach my $field ('title','author','subject','keywords','notes',	foreach my $field ('title','author','domain','subject','keywords','notes',
'mimetag','language','creationdate','lastrevisiondate',	'mimetag','language','creationdate','lastrevisiondate',
'owner','copyrighttag','hostname','abstract') {	'owner','copyrighttag','hostname','abstract') {
$result .= (' 'x4).'<dt>'.$Translated{$field}.'</dt>'."\n".	$result .= (' 'x4).'<dt>'.$Translated{$field}.'</dt>'."\n".
Line 3217 sub xml_sgml_view {	Line 3453 sub xml_sgml_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
my $xml = '<LonCapaResource>'."\n";	my $xml = '<LonCapaResource>'."\n";
# The usual suspects	# The usual suspects
foreach my $field ('url','title','author','subject','keywords','notes') {	foreach my $field ('url','title','author','subject','keywords','notes','domain') {
$xml .= qq{<$field>$values{$field}</$field>}."\n";	$xml .= qq{<$field>$values{$field}</$field>}."\n";
}	}
#	#
Line 3310 sub output_unparsed_phrase_error {	Line 3546 sub output_unparsed_phrase_error {
my ($r,$closebutton,$parms,$hidden_fields,$field)=@_;	my ($r,$closebutton,$parms,$hidden_fields,$field)=@_;
my $errorstring;	my $errorstring;
if ($field eq 'basicexp') {	if ($field eq 'basicexp') {
$errorstring = &mt('Unable to understand the search phrase <i>[_1]</i>. Please modify your search.',$ENV{'form.basicexp'});	$errorstring = &mt('Unable to understand the search phrase <i>[_1]</i>. Please modify your search.',$env{'form.basicexp'});
} else {	} else {
$errorstring = &mt('Unable to understand the search phrase <b>[_1]</b>:<i>[_2]</i>.',$field,$ENV{'form.'.$field});	$errorstring = &mt('Unable to understand the search phrase <b>[_1]</b>:<i>[_2]</i>.',$field,$env{'form.'.$field});
}	}
my $bodytag = &Apache::loncommon::bodytag('Search');	my $bodytag = &Apache::loncommon::bodytag('Search');
my $heading = &mt('Unparsed Field');	my $heading = &mt('Unparsed Field');
my $revise = &mt('Revise search request');	my $revise = &mt('Revise search request');
# make query information persistent to allow for subsequent revision	# make query information persistent to allow for subsequent revision
	my $html=&Apache::lonxml::xmlbegin();
$r->print(<<ENDPAGE);	$r->print(<<ENDPAGE);
<html>	$html
<head>	<head>
<title>The LearningOnline Network with CAPA</title>	<title>The LearningOnline Network with CAPA</title>
</head>	</head>
Line 3333 $closebutton	Line 3570 $closebutton
$errorstring	$errorstring
</p>	</p>
<p>	<p>
<a href="/adm/searchcat?$parms&persistent_db_id=$ENV{'form.persistent_db_id'}">$revise</a>	<a href="/adm/searchcat?$parms&persistent_db_id=$env{'form.persistent_db_id'}">$revise</a>
</p>	</p>
</body>	</body>
</html>	</html>
Line 3366 sub output_blank_field_error {	Line 3603 sub output_blank_field_error {
my $errormsg = &mt('You did not fill in enough information for the search to be started. You need to fill in relevant fields on the search page in order for a query to be processed.');	my $errormsg = &mt('You did not fill in enough information for the search to be started. You need to fill in relevant fields on the search page in order for a query to be processed.');
my $revise = &mt('Revise Search Request');	my $revise = &mt('Revise Search Request');
my $heading = &mt('Unactionable Search Queary');	my $heading = &mt('Unactionable Search Queary');
	my $html=&Apache::lonxml::xmlbegin();
$r->print(<<ENDPAGE);	$r->print(<<ENDPAGE);
<html>	$html
<head>	<head>
<title>The LearningOnline Network with CAPA</title>	<title>The LearningOnline Network with CAPA</title>
</head>	</head>
Line 3381 $closebutton	Line 3619 $closebutton
$errormsg	$errormsg
</p>	</p>
<p>	<p>
<a href="/adm/searchcat?$parms&persistent_db_id=$ENV{'form.persistent_db_id'}">$revise</a>	<a href="/adm/searchcat?$parms&persistent_db_id=$env{'form.persistent_db_id'}">$revise</a>
</p>	</p>
</body>	</body>
</html>	</html>
Line 3412 sub output_date_error {	Line 3650 sub output_date_error {
my ($r,$message,$closebutton,$hidden_fields)=@_;	my ($r,$message,$closebutton,$hidden_fields)=@_;
# make query information persistent to allow for subsequent revision	# make query information persistent to allow for subsequent revision
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);	my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
	my $html=&Apache::lonxml::xmlbegin();
$r->print(<<RESULTS);	$r->print(<<RESULTS);
<html>	$html
<head>	<head>
<title>The LearningOnline Network with CAPA</title>	<title>The LearningOnline Network with CAPA</title>
</head>	</head>

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.229
changed lines
	Added in v.1.245