loncom/interface/lonsearchcat.pm - diff

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Diff for /loncom/interface/lonsearchcat.pm between versions 1.236 and 1.311

version 1.236, 2005/02/02 21:08:23	version 1.311, 2009/07/03 08:18:48
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 77 use LONCAPA::lonmetadata();	Line 77 use LONCAPA::lonmetadata();
use HTML::Entities();	use HTML::Entities();
use Parse::RecDescent;	use Parse::RecDescent;
use Apache::lonnavmaps;	use Apache::lonnavmaps;
	use Apache::lonindexer();
	use LONCAPA;

######################################################################	######################################################################
######################################################################	######################################################################
Line 93 my %persistent_db; # gdbm hash which h	Line 95 my %persistent_db; # gdbm hash which h
# The different view modes and associated functions	# The different view modes and associated functions

my %Views = ("detailed" => \&detailed_citation_view,	my %Views = ("detailed" => \&detailed_citation_view,
	"detailedpreview" => \&detailed_citation_preview,
"summary" => \&summary_view,	"summary" => \&summary_view,
	"summarypreview" => \&summary_preview,
"fielded" => \&fielded_format_view,	"fielded" => \&fielded_format_view,
"xml" => \&xml_sgml_view,	"xml" => \&xml_sgml_view,
"compact" => \&compact_view);	"compact" => \&compact_view);
Line 113 sub handler {	Line 117 sub handler {
my $diropendb; # The full path to the (temporary) search database file.	my $diropendb; # The full path to the (temporary) search database file.
# This is set and used in &handler() and is also used in	# This is set and used in &handler() and is also used in
# &output_results().	# &output_results().
my $bodytag; # LON-CAPA standard body tag, gotten from
# &Apache::lonnet::bodytag.
# No title, no table, just a <body> tag.

my $loaderror=&Apache::lonnet::overloaderror($r);	my $loaderror=&Apache::lonnet::overloaderror($r);
if ($loaderror) { return $loaderror; }	if ($loaderror) { return $loaderror; }
Line 137 sub handler {	Line 138 sub handler {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['catalogmode','launch','acts','mode','form','element','pause',	['catalogmode','launch','acts','mode','form','element','pause',
'phase','persistent_db_id','table','start','show',	'phase','persistent_db_id','table','start','show',
'cleargroupsort','titleelement']);	'cleargroupsort','titleelement','area','inhibitmenu']);
##	##
## The following is a trick - we wait a few seconds if asked to so	## The following is a trick - we wait a few seconds if asked to so
## the daemon running the search can get ahead of the daemon	## the daemon running the search can get ahead of the daemon
## printing the results. We only need (theoretically) to do	## printing the results. We only need (theoretically) to do
## this once, so the pause indicator is deleted	## this once, so the pause indicator is deleted
##	##
if (exists($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'}_sel_res.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);
my $persistent_db_file = "/home/httpd/perl/tmp/".	my $persistent_db_file = "/home/httpd/perl/tmp/".
&Apache::lonnet::escape($domain).	&escape($domain).
'_'.&Apache::lonnet::escape($ENV{'user.name'}).	'_'.&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'}) && $ENV{'request.course.id'} ne '') {
&Apache::lonhtmlcommon::add_breadcrumb	my @allowed_searches = ('portfolio');
({href=>'/adm/searchcat?'.	if (&Apache::lonnet::allowed('bre',$env{'request.role.domain'})) {
'catalogmode='.$ENV{'form.catalogmode'}.	push(@allowed_searches,'res');
'&launch='.$ENV{'form.launch'}.	}
'&mode='.$ENV{'form.mode'},	if (exists($env{'request.course.id'}) && $env{'request.course.id'} ne '') {
text=>"Course and Catalog Search",	push(@allowed_searches,'course');
target=>'_top',	}
bug=>'Searching',});	my $crumb_text = 'Portfolio Search';
} else {	if (@allowed_searches == 3) {
&Apache::lonhtmlcommon::add_breadcrumb	$crumb_text = 'Course, Portfolio and Catalog Search';
({href=>'/adm/searchcat?'.	} elsif (@allowed_searches ==2) {
'catalogmode='.$ENV{'form.catalogmode'}.	if (grep(/^res$/,@allowed_searches)) {
'&launch='.$ENV{'form.launch'}.	$crumb_text = 'Portfolio and Catalog Search';
'&mode='.$ENV{'form.mode'},	} elsif (grep(/^course$/,@allowed_searches)) {
text=>"Catalog Search",	$crumb_text = 'Portfolio and Course Search';
	}
	}
	&Apache::lonhtmlcommon::add_breadcrumb
	({href=>'/adm/searchcat?'.
	&Apache::loncommon::inhibit_menu_check().
	'&catalogmode='.$env{'form.catalogmode'}.
	'&launch='.$env{'form.launch'}.
	'&mode='.$env{'form.mode'},
	text=>"$crumb_text",
target=>'_top',	target=>'_top',
bug=>'Searching',});	bug=>'Searching',});
}
#	#
if ($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 $msg =
<html>	'We were unable to retrieve data describing your search. '.
<head><title>LON-CAPA Search Error</title></head>	'This is a serious error and has been logged. '.
$bodytag	'Please alert your LON-CAPA administrator.';
We were unable to retrieve data describing your search. This is a serious	&Apache::loncommon::simple_error_page($r,'Search Error',
error and has been logged. Please alert your LON-CAPA administrator.	$msg);
</body>	return OK;
</html>
END
return OK;
}	}
}	}
} else {	} else {
Line 214 END	Line 220 END
## Clear out old values from groupsearch database	## Clear out old values from groupsearch database
##	##
untie %groupsearch_db if (tied(%groupsearch_db));	untie %groupsearch_db if (tied(%groupsearch_db));
if (($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'))) {	($env{'form.catalogmode'} eq 'import'))) {
if (tie(%groupsearch_db,'GDBM_File',$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 $msg = 'Unable to tie hash to db file.';
'Unable to tie hash to db file</body></html>');	&Apache::loncommon::simple_error_page($r,'Search Error',
	$msg);
return OK;	return OK;
}	}
}	}
Line 233 END	Line 240 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');	$hidden_fields .= &hidden_field('mode');
}	}
	if (exists($env{'form.area'})) {
	$hidden_fields .= &hidden_field('area');
	}
	if (exists($env{'form.inhibitmenu'})) {
	$hidden_fields .= &hidden_field('inhibitmenu');
	}
##	##
## Configure dynamic components of interface	## Configure dynamic components of interface
##	##
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($env{'form.catalogmode'} eq 'interactive') {
$closebutton="<input type='button' name='close' value='CLOSE' ";	$closebutton="<input type='button' name='close' value='".&mt('CLOSE')."' ";
if ($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 'import') {
$closebutton="<input type='button' name='close' value='CLOSE' ";	$closebutton="<input type='button' name='close' value='".&mt('CLOSE')."' ";
if ($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 .= ">";	$closebutton .= ">";
	my $txt_import = &mt('IMPORT');
$importbutton=<<END;	$importbutton=<<END;
<input type='button' name='import' value='IMPORT'	<input type='button' name='import' value='$txt_import'
onClick='javascript:select_group()'>	onClick='javascript:select_group()'>
END	END
} else {	} else {
Line 279 END	Line 293 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') \|\|	$env{'form.viewselect'} ="summary";
($ENV{'form.catalogmode'} eq 'interactive')) {
$ENV{'form.viewselect'} ="Compact View";
} else {
$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') {
	my $srchtype = 'Catalog';
	if ($env{'form.area'} eq 'portfolio') {
	$srchtype = 'Portfolio';
	}
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?phase=disp_adv&'.	({href=>'/adm/searchcat?'.&Apache::loncommon::inhibit_menu_check().
'catalogmode='.$ENV{'form.catalogmode'}.	'&phase=disp_adv'.
'&launch='.$ENV{'form.launch'}.	'&catalogmode='.$env{'form.catalogmode'}.
'&mode='.$ENV{'form.mode'},	'&launch='.$env{'form.launch'}.
text=>"Advanced Search",	'&mode='.$env{'form.mode'},
	text=>"Advanced $srchtype Search",
bug=>'Searching',});	bug=>'Searching',});
} elsif ($ENV{'form.searchmode'} eq 'course search') {	} elsif ($env{'form.searchmode'} eq 'course search') {
&Apache::lonhtmlcommon::add_breadcrumb	&Apache::lonhtmlcommon::add_breadcrumb
({href=>'/adm/searchcat?phase=disp_adv&'.	({href=>'/adm/searchcat?'.&Apache::loncommon::inhibit_menu_check().
'catalogmode='.$ENV{'form.catalogmode'}.	'&phase=disp_adv'.
'&launch='.$ENV{'form.launch'}.	'catalogmode='.$env{'form.catalogmode'}.
'&mode='.$ENV{'form.mode'},	'&launch='.$env{'form.launch'}.
	'&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)$/) {	$env{'form.area'});
	} elsif ($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,$env{'form.area'});
}	}
} elsif ($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 363 END	Line 379 END
$persistent_db_file);	$persistent_db_file);
#	#
# Set up table	# Set up table
if (! defined(&create_results_table())) {	if (! defined(&create_results_table($env{'form.area'}))) {
my $errorstring=&Apache::lonmysql::get_error();	my $errorstring=&Apache::lonmysql::get_error();
&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);
$r->print(<<END);
<html><head><title>Search Error</title></head>	my $msg =
$bodytag	'Unable to create table in which to save search results. '.
Unable to create table in which to store search results.	'The search has been aborted.';
The search has been aborted.	&Apache::loncommon::simple_error_page($r,'Search Error',
</body>	$msg);
</html>	return OK;
END
return OK;
}	}
delete($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 $msg=
<html><head><title>Search Error</title></head>	'Unable to properly save search information. '.
$bodytag	'The search has been aborted.';
Unable to properly store search information. The search has been aborted.	&Apache::loncommon::simple_error_page($r,'Search Error',
</body>	$msg);
</html>	return OK;
END	}
return OK;
}
##	##
## Print out the frames interface	## Print out the frames interface
##	##
Line 406 END	Line 418 END
# This routine sets non existant checkbox form elements to ''.	# This routine sets non existant checkbox form elements to ''.
#	#
sub clean_up_environment {	sub clean_up_environment {
if ($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'} = '';	$env{'form.crsrelated'} = '';
}	}
}	}
}	}
Line 430 sub clean_up_environment {	Line 442 sub clean_up_environment {
sub hidden_field {	sub hidden_field {
my ($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 460 sub make_symb {	Line 472 sub make_symb {

sub course_search {	sub course_search {
my $r=shift;	my $r=shift;
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 = $ENV{'form.courseexp'};
my @New_Words;	my @New_Words;
undef(%alreadyseen);	undef(%alreadyseen);
if ($ENV{'form.crsrelated'}) {	if ($env{'form.crsrelated'}) {
($search_string,@New_Words) = &related_version($ENV{'form.courseexp'});	($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 $discuss=$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>'.
$bodytag.'<hr /><center><font size="+2" face="arial">'.$pretty_search_string.'</font></center><hr /><b>'.&mt('Course content').':</b><br />');	&Apache::lonhtmlcommon::add_breadcrumb
	({href=>'/adm/searchcat?'.&Apache::loncommon::inhibit_menu_check().
	'&phase=disp_adv'.
	'catalogmode='.$env{'form.catalogmode'}.
	'&launch='.$env{'form.launch'}.
	'&mode='.$env{'form.mode'},
	text=>"Course Search",
	bug=>'Searching',});
	$r->print(&Apache::loncommon::start_page('Course Search'));
	$r->print(&Apache::lonhtmlcommon::breadcrumbs('Searching','Searching',
	$env{'form.catalogmode'} ne 'import'));

	$r->print(
	'<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
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 (sort(keys(%hash))) {	foreach (sort(keys(%hash))) {
if ($c->aborted()) { last; }	if ($c->aborted()) { last; }
if (($_=~/^src\_(.+)$/)) {	if (($_=~/^src\_(.+)$/)) {
if ($hash{'randomout_'.$1} & !$ENV{'request.role.adv'}) {	if ($hash{'randomout_'.$1} & !$env{'request.role.adv'}) {
next;	next;
}	}
my $symb=&make_symb($1);	my $symb=&make_symb($1);
Line 506 sub course_search {	Line 532 sub course_search {
my $totaldiscussions = 0;	my $totaldiscussions = 0;
$r->print('<br /><br /><b>'.&mt('Discussion postings').':</b><br />');	$r->print('<br /><br /><b>'.&mt('Discussion postings').':</b><br />');
my $navmap = Apache::lonnavmaps::navmap->new();	my $navmap = Apache::lonnavmaps::navmap->new();
my @allres=$navmap->retrieveResources();	if (defined($navmap)) {
my %discussiontime = &Apache::lonnet::dump('discussiontimes',	my @allres=$navmap->retrieveResources();
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	my %discussiontime = &Apache::lonnet::dump('discussiontimes',
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.domain'},
foreach my $resource (@allres) {	$env{'course.'.$env{'request.course.id'}.'.num'});
my $result = '';	foreach my $resource (@allres) {
my $applies = 0;	my $result = '';
my $symb = $resource->symb();	my $applies = 0;
my $ressymb = $symb;	my $symb = $resource->symb();
if ($symb =~ m#(___adm/\w+/\w+)/(\d+)/bulletinboard$#) {	my $ressymb = $symb;
$ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';	if ($symb =~ m#(___adm/$LONCAPA::domain_re/$LONCAPA::username_re)/(\d+)/bulletinboard$#) {
unless ($ressymb =~ m#bulletin___\d+___adm/wrapper#) {	$ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';
$ressymb=~s#(bulletin___\d+___)#$1adm/wrapper/#;	unless ($ressymb =~ m#bulletin___\d+___adm/wrapper#) {
	$ressymb=~s#(bulletin___\d+___)#$1adm/wrapper/#;
	}
}	}
}	if (defined($discussiontime{$ressymb})) {
if (defined($discussiontime{$ressymb})) {	my %contrib = &Apache::lonnet::restore($ressymb,$env{'request.course.id'},
my %contrib = &Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.num'});
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	if ($contrib{'version'}) {
if ($contrib{'version'}) {	for (my $id=1;$id<=$contrib{'version'};$id++) {
for (my $id=1;$id<=$contrib{'version'};$id++) {	unless (($contrib{'hidden'}=~/\.$id\./) \|\| ($contrib{'deleted'}=~/\.$id\./)) {
unless (($contrib{'hidden'}=~/\.$id\./) \|\| ($contrib{'deleted'}=~/\.$id\./)) {	if ($contrib{$id.':subject'}) {
if ($contrib{$id.':subject'}) {	$result .= $contrib{$id.':subject'};
$result .= $contrib{$id.':subject'};	}
}	if ($contrib{$id.':message'}) {
if ($contrib{$id.':message'}) {	$result .= $contrib{$id.':message'};
$result .= $contrib{$id.':message'};
}
if ($contrib{$id,':attachmenturl'}) {
if ($contrib{$id,':attachmenturl'} =~ m-/([^/]+)$-) {
$result .= $1;
}	}
	if ($contrib{$id,':attachmenturl'}) {
	if ($contrib{$id,':attachmenturl'} =~ m-/([^/]+)$-) {
	$result .= $1;
	}
	}
	$applies = &checkwords($result,$applies,@allwords);
}	}
$applies = &checkwords($result,$applies,@allwords);
}	}
}	}
}	}
}
# Does this discussion apply?	# Does this discussion apply?
if ($applies) {	if ($applies) {
my ($map,$ind,$url)=&Apache::lonnet::decode_symb($ressymb);	my ($map,$ind,$url)=&Apache::lonnet::decode_symb($ressymb);
my $disctype = &mt('resource');	my $disctype = &mt('resource');
if ($url =~ m#/bulletinboard$#) {	if ($url =~ m#/bulletinboard$#) {
if ($url =~m#^adm/wrapper/adm/.*/bulletinboard$#) {	if ($url =~m#^adm/wrapper/adm/.*/bulletinboard$#) {
$url =~s#^adm/wrapper##;	$url =~s#^adm/wrapper##;
	}
	$disctype = &mt('discussion board');
	} else {
	$url = '/res/'.$url;
}	}
$disctype = &mt('bulletin board');	if ($url =~ /\?/) {
} else {	$url .= '&symb=';
$url = '/res/'.$url;	} else {
}	$url .= '?symb=';
if ($url =~ /\?/) {	}
$url .= '&symb=';	$url .= &escape($resource->symb());
	my $title = $resource->compTitle();
	$r->print('<br /><a href="'.$url.'" target="cat">'.
	($title?$title:$url).'</a>  - '.
	$disctype.'<br />');
	$totaldiscussions++;
} else {	} else {
$url .= '?symb=';	$r->print(' .');
}	}
$url .= &Apache::lonnet::escape($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) {
unless ($totaldiscussions) {	$r->print('<p>'.&mt('No matches found in postings').'.</p>');
$r->print('<p>'.&mt('No matches found in postings').'.</p>');	}
	} else {
	$r->print('<div class="LC_error">'.&mt('An error occurred retrieving information about resources in the course.').'<br />'.&mt('It is recommended that you [_1]re-initialize the course[_2] and then try your search again.','<a href="/adm/roles">','</a>').'</div>');
}	}
}	}

# =================================================== Done going through course	# =================================================== Done going through course
$r->print('</body></html>');	$r->print(&Apache::loncommon::end_page());
}	}

# =============================== This pulls up a resource and its dependencies	# =============================== This pulls up a resource and its dependencies
Line 588 sub checkonthis {	Line 619 sub checkonthis {
$r->rflush();	$r->rflush();

my $result=$title.' ';	my $result=$title.' ';
if ($ENV{'request.role.adv'} \|\| !$hash{'encrypted_'.$id}) {	if ($env{'request.role.adv'} \|\| !$hash{'encrypted_'.$id}) {
$result.=&Apache::lonnet::metadata($url,'title').' '.	$result.=&Apache::lonnet::metadata($url,'title').' '.
&Apache::lonnet::metadata($url,'subject').' '.	&Apache::lonnet::metadata($url,'subject').' '.
&Apache::lonnet::metadata($url,'abstract').' '.	&Apache::lonnet::metadata($url,'abstract').' '.
Line 597 sub checkonthis {	Line 628 sub checkonthis {
my ($extension)=($url=~/\.(\w+)$/);	my ($extension)=($url=~/\.(\w+)$/);
if (&Apache::loncommon::fileembstyle($extension) eq 'ssi' &&	if (&Apache::loncommon::fileembstyle($extension) eq 'ssi' &&
($url) && ($fulltext)) {	($url) && ($fulltext)) {
$result.=&Apache::lonnet::ssi_body($url.'?symb='.&Apache::lonnet::escape($symb));	$result.=&Apache::lonnet::ssi_body($url.'?symb='.&escape($symb));
}	}
$result=~s/\s+/ /gs;	$result=~s/\s+/ /gs;
my $applies = 0;	my $applies = 0;
Line 609 sub checkonthis {	Line 640 sub checkonthis {
$r->print(' ');	$r->print(' ');
}	}
my $href=$url;	my $href=$url;
if ($hash{'encrypted_'.$id} && !$ENV{'request.role.adv'}) {	if ($hash{'encrypted_'.$id} && !$env{'request.role.adv'}) {
$href=&Apache::lonenc::encrypted($href)	$href=&Apache::lonenc::encrypted($href)
.'?symb='.&Apache::lonenc::encrypted($symb);	.'?symb='.&Apache::lonenc::encrypted($symb);
} else {	} else {
$href.='?symb='.&Apache::lonnet::escape($symb);	$href.='?symb='.&escape($symb);
}	}
$r->print('<a href="'.$href.'" target="cat">'.($title?$title:$url).	$r->print('<a href="'.$href.'" target="cat">'.($title?$title:$url).
'</a><br />');	'</a><br />');
Line 625 sub checkonthis {	Line 656 sub checkonthis {
# Check also the dependencies of this one	# Check also the dependencies of this one
my $dependencies=	my $dependencies=
&Apache::lonnet::metadata($url,'dependencies');	&Apache::lonnet::metadata($url,'dependencies');
foreach (split(/\,/,$dependencies) && (!$alreadyseen{$id})) {	foreach (split(/\,/,$dependencies)) {
if (($_=~/^\/res\//)) {	if (($_=~/^\/res\//) && (!$alreadyseen{$id})) {
&checkonthis($r,$id,$_,$level+1,'',$fulltext,undef,@allwords);	&checkonthis($r,$id,$_,$level+1,'',$fulltext,undef,@allwords);
}	}
}	}
Line 652 sub untiehash {	Line 683 sub untiehash {

} # End of course search scoping	} # End of course search scoping

sub search_html_header {
my $Str = <<ENDHEADER;
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
ENDHEADER
return $Str;
}

######################################################################	######################################################################
######################################################################	######################################################################
Line 677 Prints the form for the basic search. S	Line 699 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 'import');
my $bodytag=&Apache::loncommon::bodytag('Search').	my $bread_crumb =
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Search_Basic',	&Apache::lonhtmlcommon::breadcrumbs('Searching','Search_Basic',
undef,undef,	$env{'form.catalogmode'} ne 'import');
$ENV{'form.catalogmode'} ne 'groupsearch');	my $scrout = &Apache::loncommon::start_page('Content Library').$bread_crumb;
my $scrout = &search_html_header().$bodytag;	# Search form for resource space
if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) {	if (&Apache::lonnet::allowed('bre',$env{'request.role.domain'})) {
# Define interface components	$scrout .= &setup_basic_search($r,'res',$hidden_fields,$closebutton);
my $userelatedwords= '<label>'.	$scrout .= '<hr /><br />';
&mt('[_1] use related words',	}
&Apache::lonhtmlcommon::checkbox	# Search form for accessible portfolio files
('related',$ENV{'form.related'},'related')).'</label>';	$scrout.= &setup_basic_search($r,'portfolio',$hidden_fields,$closebutton);
my $onlysearchdomain='<label>'.	if ($env{'request.course.id'}) {
&mt('[_1] only search domain [_2]',
&Apache::lonhtmlcommon::checkbox('domains',
$ENV{'form.domains'},
$r->dir_config('lonDefDomain')
),
$r->dir_config('lonDefDomain')
).'</label>';
my $adv_search_link =
'<a href="/adm/searchcat?'.
'phase=disp_adv&'.
'catalogmode='.$ENV{'form.catalogmode'}.
'&launch='.$ENV{'form.launch'}.
'&mode='.$ENV{'form.mode'}.
'">'.&mt('Advanced Search').'</a>';
#
$scrout.='<form name="loncapa_search" method="post" '.
'action="/adm/searchcat">'.
'<input type="hidden" name="phase" value="basic_search" />'.
$hidden_fields;
#
$scrout .= '<center>'.$/;
if ($ENV{'request.course.id'}) {
$scrout .= '<h1>'.&mt('LON-CAPA Catalog Search').'</h1>';
} else {
# No need to tell them they are searching
$scrout.= ('<br />'x2);
}
$scrout.='<table>'.
'<tr><td align="center" valign="top">'.
&Apache::lonhtmlcommon::textbox
('basicexp',
&HTML::Entities::encode($ENV{'form.basicexp'},'<>&"'),50
).
'<br />'.
'<font size="-1">'.&searchhelp().'</font>'.'</td>'.
'<td><font size="-1">'.
'<nobr>'.(' 'x3).$adv_search_link.'</nobr>'.'<br />'.
'<nobr>'.(' 'x1).$userelatedwords.'</nobr>'.'<br />'.
'<nobr>'.(' 'x1).$onlysearchdomain.'</nobr>'.'<br />'.
'</font></td>'.
'</tr>'.$/;
#
$scrout .= '<tr><td align="center" colspan="2">'.
'<font size="-1">'.
'<input type="submit" name="basicsubmit" '.
'value="'.&mt('Search').'" />'.
(' 'x2).$closebutton.(' 'x2).
&viewoptions().
'</font>'.
'</td></tr>'.$/;
$scrout .= '</table>'.$/.'</center>'.'</form>';
}
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)',	'disc' => 'search discussion postings (resources and discussion boards)',
);	);
$scrout.=(<<ENDCOURSESEARCH);	$scrout.=(<<ENDCOURSESEARCH);
<form name="loncapa_search" method="post" action="/adm/searchcat">	<form name="loncapa_search" method="post" action="/adm/searchcat">
Line 766 $lt{'note'}.	Line 735 $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 =	my $discheckbox =
&Apache::lonhtmlcommon::checkbox('crsdiscuss',	&Apache::lonhtmlcommon::checkbox('crsdiscuss',
$ENV{'form.crsrelated'});	$env{'form.crsrelated'});
$scrout.=(<<ENDENDCOURSE);	$scrout.=(<<ENDENDCOURSE);
</td></tr>	</td></tr>
<tr><td><label>$relcheckbox $lt{'use'}</label></td><td></td></tr>	<tr><td><label>$relcheckbox $lt{'use'}</label></td><td></td></tr>
Line 788 ENDCOURSESEARCH	Line 757 ENDCOURSESEARCH
</form>	</form>
ENDENDCOURSE	ENDENDCOURSE
}	}
$scrout.=(<<ENDDOCUMENT);	$scrout .= &Apache::loncommon::end_page();
</body>
</html>
ENDDOCUMENT
$r->print($scrout);	$r->print($scrout);
return;	return;
}	}

	sub setup_basic_search {
	my ($r,$area,$hidden_fields,$closebutton) = @_;
	# Define interface components
	my %lt = &Apache::lonlocal::texthash (
	res => 'LON-CAPA Catalog Search',
	portfolio => 'Portfolio Search',
	);
	my ($userelatedwords,$onlysearchdomain,$inclext,$adv_search_link,$scrout);
	$userelatedwords = '<label>'.&mt('[_1] use related words',
	&Apache::lonhtmlcommon::checkbox('related',$env{'form.related'},'related')).
	'</label>';
	$onlysearchdomain = '<label>'.&mt('[_1] only search domain [_2]',
	&Apache::lonhtmlcommon::checkbox('domains',$env{'form.domains'},
	$r->dir_config('lonDefDomain')),
	$r->dir_config('lonDefDomain')).
	'</label>';
	$adv_search_link = '<a href="/adm/searchcat?'.
	&Apache::loncommon::inhibit_menu_check().
	'&phase=disp_adv'.
	'&catalogmode='.$env{'form.catalogmode'}.
	'&launch='.$env{'form.launch'}.
	'&mode='.$env{'form.mode'}.
	'&area='.$area.
	'&form='.$env{'form.form'}.
	'&titleelement='.$env{'form.titleelement'}.
	'&element='.$env{'form.element'}.
	'">'.&mt('Advanced Search').'</a>';
	#
	$scrout.='<form name="loncapa_search" method="post" '.
	'action="/adm/searchcat">'.
	'<input type="hidden" name="phase" value="basic_search" />'.
	$hidden_fields;
	if (!exists($env{'form.area'})) {
	$scrout .= '<input type="hidden" name="area" value="'.$area.'" />';
	}
	#
	$scrout .= '<center>'.$/;
	# if ($env{'request.course.id'}) {
	$scrout .= '<h1>'.$lt{$area}.'</h1>';
	# } else {
	# No need to tell them they are searching
	# $scrout.= ('<br />'x2);
	# }
	$scrout.='<table>'.
	'<tr><td align="center" valign="top">'.
	&Apache::lonhtmlcommon::textbox('basicexp',
	$env{'form.basicexp'},50).
	'<br />'.
	'<font size="-1">'.&searchhelp().'</font>'.'</td>'.
	'<td><font size="-1">'.
	'<span class="LC_nobreak">'.(' 'x3).$adv_search_link.'</span>'.'<br />'.
	'<span class="LC_nobreak">'.(' 'x1).$userelatedwords.'</span>'.'<br />'.
	'<span class="LC_nobreak">'.(' 'x1).$onlysearchdomain.'</span>'.'<br />'.
	'<span class="LC_nobreak">'.(' 'x1).$inclext.'</span>'.'<br />'.
	'</font></td>'.
	'</tr>'.$/;
	#
	$scrout .= '<tr><td align="center" colspan="2">'.
	'<font size="-1">'.
	'<input type="submit" name="basicsubmit" '.
	'value="'.&mt('Search').'" />'.
	(' 'x2).$closebutton.(' 'x2). &viewoptions().
	'</font>'.
	'</td></tr>'.$/;
	$scrout .= '</table>'.$/.'</center>'.'</form>';
	return $scrout;
	}

######################################################################	######################################################################
######################################################################	######################################################################

Line 810 Prints the advanced search form.	Line 845 Prints the advanced search form.
######################################################################	######################################################################
sub print_advanced_search_form{	sub print_advanced_search_form{
my ($r,$closebutton,$hidden_fields) = @_;	my ($r,$closebutton,$hidden_fields) = @_;
my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search').	my $bread_crumb =
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching',	&Apache::lonhtmlcommon::breadcrumbs('Searching','Search_Advanced',
'Search_Advanced',	$env{'form.catalogmode'} ne 'import');
undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');
my %lt=&Apache::lonlocal::texthash('srch' => 'Search',	my %lt=&Apache::lonlocal::texthash('srch' => 'Search',
'reset' => 'Reset',	'reset' => 'Reset',
'help' => 'Help');	'help' => 'Help');
Line 823 sub print_advanced_search_form{	Line 856 sub print_advanced_search_form{
<input type="reset" name="reset" value='$lt{"reset"}' />	<input type="reset" name="reset" value='$lt{"reset"}' />
$closebutton	$closebutton
END	END
my $scrout=&search_html_header();	my $srchtype = 'Catalog';
	my $jscript;
	if ($env{'form.area'} eq 'portfolio') {
	$srchtype = 'Portfolio';
	$jscript = '<script type="text/javascript">
	function additional_metadata() {
	if (document.advsearch.newfield.checked) {
	document.advsearch.phase.value = "disp_adv";
	document.advsearch.numaddedfields.value = parseInt(document.advsearch.numaddedfields.value) +1;
	document.advsearch.submit();
	}
	}
	</script>';
	}
	my $scrout= &Apache::loncommon::start_page("Advanced $srchtype Search",
	$jscript);
$scrout .= <<"ENDHEADER";	$scrout .= <<"ENDHEADER";
$bodytag	$bread_crumb
<form method="post" action="/adm/searchcat" name="advsearch">	<form method="post" action="/adm/searchcat" name="advsearch">
<p>	<p>
$advanced_buttons	$advanced_buttons
Line 834 ENDHEADER	Line 882 ENDHEADER
'<input type="hidden" name="phase" value="adv_search" />';	'<input type="hidden" name="phase" value="adv_search" />';
my %fields=&Apache::lonmeta::fieldnames();	my %fields=&Apache::lonmeta::fieldnames();
#	#
$scrout .= '<h3>'.&mt('Standard Metadata').'</h3>';	$scrout .= '<h3>'.&mt("Standard $srchtype Metadata").'</h3>';
$scrout .= "<table>\n";	$scrout .= "<table>\n";
$scrout .= '<tr><td> </td><td colspan="2"><font size="-1">'.	$scrout .= '<tr><td> </td><td colspan="2"><font size="-1">'.
(' 'x2).&searchhelp()."</font></td></tr>\n";	(' 'x2).&searchhelp()."</font></td></tr>\n";
Line 849 ENDHEADER	Line 897 ENDHEADER
'abstract' => 1,	'abstract' => 1,
'standards'=> 1,	'standards'=> 1,
'mime' => 1,	'mime' => 1,
	'subject' => 1,
);	);
#	#
foreach my $field ('title','author','owner','authorspace','modifyinguser',	foreach my $field ('title','author','subject','owner','authorspace',
'keywords','notes','abstract','standards','mime') {	'modifyinguser','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 .= &mt('related words');
} else {	} else {
$scrout .= '</td><td> ';	$scrout .= '</td><td> ';
}	}
Line 874 ENDHEADER	Line 924 ENDHEADER
'<td align="right">'.&titlefield($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 883 ENDHEADER	Line 933 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).	$env{'form.domains'},1).
'</td></tr>'.$/;	'<br />';
	$scrout .= '</td></tr>'.$/;
#	#
# Misc metadata	# Misc metadata
$scrout.='<tr><td align="right" valign="top">'.	if ($env{'form.area'} ne 'portfolio') {
&titlefield(&mt('Copyright/Distribution')).'</td><td colspan="2">'.	$scrout.='<tr><td align="right" valign="top">'.
&Apache::lonmeta::selectbox('copyright',	&titlefield(&mt('Copyright/Distribution')).
$ENV{'form.copyright'},	'</td><td colspan="2">'.
\&Apache::loncommon::copyrightdescription,	&Apache::lonmeta::selectbox('copyright',
( undef,	$env{'form.copyright'},
&Apache::loncommon::copyrightids)	\&Apache::loncommon::copyrightdescription,
).'</td></tr>'.$/;	( undef,
	&Apache::loncommon::copyrightids)
	).'</td></tr>'.$/;
	}
$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',
$ENV{'form.language'},	$env{'form.language'},
\&Apache::loncommon::languagedescription,	\&Apache::loncommon::languagedescription,
('any',&Apache::loncommon::languageids)	('any',&Apache::loncommon::languageids)
).'</td></tr>';	).'</td></tr>';
$scrout .= "</table>\n";
#
# Dynamic metadata
$scrout .= '<h3>'.&mt('Problem Statistics').'</h3>';
$scrout .= "<table>\n";
$scrout .= '<tr><td> </td><td align="center">'.&mt('Minimum').'</td>'.
'<td align="center">'.&mt('Maximum').'</td></tr>'."\n";
foreach my $statistic
({ name=>'count',
description=>'Network-wide number of accesses (hits)',},
{ name=>'stdno',
description=>
'Total number of students who have worked on this problem',},
{ name => 'avetries',
description=>'Average number of tries till solved',},
{ name => 'difficulty',
description=>'Degree of difficulty',},
{ name => 'disc',
description=>'Degree of discrimination'}) {
$scrout .= '<tr><td align="right">'.
&titlefield(&mt($statistic->{'description'})).
'</td><td align="center">'.
'<input type="text" name="'.$statistic->{'name'}.'_min" '.
'value="" size="6" />'.
'</td><td align="center">'.
'<input type="text" name="'.$statistic->{'name'}.'_max" '.
'value="" size="6" />'.
'</td></tr>'.$/;
}
$scrout .= "</table>\n";	$scrout .= "</table>\n";
$scrout .= '<h3>'.&mt('Evaluation Data').'</h3>';
$scrout .= "<table>\n";
$scrout .= '<tr><td> </td><td align="center">'.&mt('Minimum').'</td>'.	if ($env{'form.area'} eq 'portfolio') {
'<td align="center">'.&mt('Maximum').'</td></tr>'."\n";	# Added fields
foreach my $evaluation	my $curnumadd = $env{'form.numaddedfields'};
( { name => 'clear',	if ($curnumadd eq '') {
description => 'Material presented in clear way'},	$curnumadd = 1;
{ name =>'depth',	}
description => 'Material covered with sufficient depth'},	$scrout .= '<h3>'.&mt('Custom Metadata fields').'</h3>';
{ name => 'helpful',	$scrout .= "<table>\n";
description => 'Material is helpful'},	$scrout .= '<tr><td> </td><td align="center">'.
{ name => 'correct',	&mt('Field Name').'</td>'.'<td align="center">'.
description => 'Material appears to be correct'},	&mt('Field Value(s)').'</td></tr>';
{ name => 'technical',
description => 'Resource is technically correct'}){	for (my $j=0; $j<$curnumadd; $j++) {
$scrout .= '<tr><td align="right">'.	my $num = $j+1;
&titlefield(&mt($evaluation->{'description'})).	$scrout .= '<tr><td>'.&mt('Custom metadata [_1]: ',$num).
'</td><td align="center">'.	'</td><td align="center">'.
'<input type="text" name="'.$evaluation->{'name'}.'_min" '.	'<input type="text" name="addedfield_'.$j.
'value="" size="6" />'.	'" size="10" value="'.$env{'form.addedfield_'.$j}.
'</td><td align="center">'.	'" /></td>'.
'<input type="text" name="'.$evaluation->{'name'}.'_max" '.	'<td align="center"><input type="text" '.
'value="" size="6" />'.	'name="addedvalues_'.$j.'" size="15" value="'.
'</td></tr>'.$/;	$env{'form.addedvalues_'.$j}.'" /></td></tr>';
	}
	$scrout .= '<tr><td align="left" colspan="3"><label>'.
	'<input type="checkbox" name="newfield" '.
	'value="1" onclick="javascript:additional_metadata()" />'.
	&mt('Another custom field/value pair?').'</label>'.
	'<input type="hidden" name="numaddedfields" value="'.
	$curnumadd.'" /></td></tr></table>';
	} else {
	#
	# Dynamic metadata
	$scrout .= '<h3>'.&mt('Problem Statistics').'</h3>';
	$scrout .= "<table>\n";
	$scrout .= '<tr><td> </td><td align="center">'.
	&mt('Minimum').'</td>'.'<td align="center">'.
	&mt('Maximum').'</td></tr>'."\n";
	foreach my $statistic
	({ name=>'count',
	description=>'Network-wide number of accesses (hits)',},
	{ name=>'stdno',
	description=>
	'Statistics calculated for number of students',},
	{ name => 'avetries',
	description=>'Average number of tries till solved',},
	{ name => 'difficulty',
	description=>'Degree of difficulty',},
	{ name => 'disc',
	description=>'Degree of discrimination'}) {
	$scrout .= '<tr><td align="right">'.
	&titlefield(&mt($statistic->{'description'})).
	'</td><td align="center">'.
	'<input type="text" name="'.$statistic->{'name'}.
	'_min" value="" size="6" /></td><td align="center">'.
	'<input type="text" name="'.$statistic->{'name'}.
	'_max" value="" size="6" /></td></tr>'.$/;
	}
	$scrout .= "</table>\n";
	$scrout .= '<h3>'.&mt('Evaluation Data').'</h3>';
	$scrout .= "<table>\n";
	$scrout .= '<tr><td> </td><td align="center">'.
	&mt('Minimum').'</td>'.'<td align="center">'.
	&mt('Maximum').'</td></tr>'."\n";
	foreach my $evaluation
	( { name => 'clear',
	description => 'Material presented in clear way'},
	{ name =>'depth',
	description => 'Material covered with sufficient depth'},
	{ name => 'helpful',
	description => 'Material is helpful'},
	{ name => 'correct',
	description => 'Material appears to be correct'},
	{ name => 'technical',
	description => 'Resource is technically correct'}){
	$scrout .= '<tr><td align="right">'.
	&titlefield(&mt($evaluation->{'description'})).
	'</td><td align="center">'.
	'<input type="text" name="'.
	$evaluation->{'name'}.'_min" value="" size="6" />'.
	'</td><td align="center"><input type="text" name="'.
	$evaluation->{'name'}.'_max" value="" size="6" />'.
	'</td></tr>'.$/;
	}
	$scrout .= "</table>\n";
}	}
$scrout .= "</table>\n";
#	#
# Creation/Modification date limits	# Creation/Modification date limits
$scrout .= '<h3>'.&mt('Creation and Modification dates').'</h3>';	$scrout .= '<h3>'.&mt('Creation and Modification dates').'</h3>';
$scrout .= "\n<table>\n";	$scrout .= "\n<table>\n";
	$scrout .= "<tr><td> </td><td>".&mt('Month[_1]Day[_2]Year',' 'x14,' 'x6)."</td></tr>\n";
my $cafter =	my $cafter =
&Apache::lonhtmlcommon::date_setter('advsearch', # formname	&Apache::lonhtmlcommon::date_setter('advsearch', # formname
'creationdate1', # fieldname	'creationdate1', # fieldname
Line 985 ENDHEADER	Line 1072 ENDHEADER
'', # state	'', # state
1, # no_hh_mm_ss	1, # no_hh_mm_ss
);	);
$scrout .= &mt('<tr><td align="right">Created between</td>'.	$scrout .= '<tr><td align="right">'.&mt('Created between').'</td>'
'<td>[_1]</td></tr>'.	.'<td>'.$cafter.'</td></tr>'
'<tr><td align="right">and </td>'.	.'<tr><td align="right">'.&mt('and').'</td>'
'<td>[_2]</td></tr>',$cafter,$cbefore);	.'<td>'.$cbefore.'</td></tr>';
my $lafter =	my $lafter =
&Apache::lonhtmlcommon::date_setter('advsearch',	&Apache::lonhtmlcommon::date_setter('advsearch',
'revisiondate1',	'revisiondate1',
Line 1007 ENDHEADER	Line 1094 ENDHEADER
'', # state	'', # state
1, # no_hh_mm_ss	1, # no_hh_mm_ss
);	);
$scrout .= &mt('<tr><td align="right">Last modified between </td>'.	$scrout .= '<tr><td align="right">'.&mt('Last modified between').'</td>'
'<td>[_1]</td></tr>'.	.'<td>'.$lafter.'</td></tr>'
'<tr><td align="right">and</td>'.	.'<tr><td align="right">'.&mt('and').'</td>'
'<td>[_2]</td></tr>',$lafter,$lbefore);	.'<td>'.$lbefore.'</td></tr>';
$scrout.="</table>\n";	$scrout.="</table>\n";
$scrout.=<<ENDDOCUMENT;	$scrout.=<<ENDDOCUMENT;
$advanced_buttons	$advanced_buttons
</form>	</form>
</body>
</html>
ENDDOCUMENT	ENDDOCUMENT
	$scrout .= &Apache::loncommon::end_page();
$r->print($scrout);	$r->print($scrout);
return;	return;
}	}
Line 1064 sub viewoptiontext {	Line 1150 sub viewoptiontext {
'xml' => 'XML/SGML',	'xml' => 'XML/SGML',
'compact' => 'Compact View',	'compact' => 'Compact View',
'fielded' => 'Fielded Format',	'fielded' => 'Fielded Format',
'summary' => 'Summary View');	'summary' => 'Summary View',
	'summarypreview' => 'Summary Preview',
	'detailedpreview' => 'Detailed Citation Preview');
return $desc{$code};	return $desc{$code};
}	}

Line 1084 Outputs: text for box with view options	Line 1172 Outputs: text for box with view options
######################################################################	######################################################################
######################################################################	######################################################################
sub viewoptions {	sub viewoptions {
my $scrout;	my $scrout = '<span class="LC_nobreak">';
if (! defined($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).	$scrout .= (' 'x2)
'</nobr>'.$/;	.&mt('[_1] Records per Page',$countselect)
	.'</span>'.$/;
return $scrout;	return $scrout;
}	}

Line 1134 Outputs: returns undef on database error	Line 1223 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 1156 sub get_persistent_form_data {	Line 1245 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{$name}));
my @values = map {	my @values = map {
&Apache::lonnet::unescape($_);	&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 1209 sub get_persistent_data {	Line 1298 sub get_persistent_data {
next;	next;
}	}
my @values = map {	my @values = map {
&Apache::lonnet::unescape($_);	&unescape($_);
} split(',',$persistent_db{$name});	} split(',',$persistent_db{$name});
if (@values <= 1) {	if (@values <= 1) {
push @Values,$values[0];	push @Values,$values[0];
Line 1246 sub make_persistent {	Line 1335 sub make_persistent {
foreach my $name (keys(%save)) {	foreach my $name (keys(%save)) {
my @values = (ref($save{$name}) ? @{$save{$name}} : ($save{$name}));	my @values = (ref($save{$name}) ? @{$save{$name}} : ($save{$name}));
# We handle array references, but not recursively.	# We handle array references, but not recursively.
my $store = join(',', map { &Apache::lonnet::escape($_); } @values );	my $store = join(',', map { &escape($_); } @values );
$persistent_db{$name} = $store;	$persistent_db{$name} = $store;
}	}
untie(%persistent_db);	untie(%persistent_db);
Line 1274 sub make_form_data_persistent {	Line 1363 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 1324 sub parse_advanced_search {	Line 1413 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($ENV{'form.'.$_});	$env{'form.'.$_}=&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++;	$fillflag++;
}	}
}	}
	if ($env{'form.area'} eq 'portfolio') {
	# Added metadata fields
	for (my $i=0; $i<$env{'form.numaddedfields'} ; $i++) {
	my $field = $env{'form.addedfield_'.$i};
	$field =~ s/^\s(\S)\s*$/$1/;
	$field =~ s/\W/_/g;
	if ($field ne '') {
	$fillflag++;
	}
	}
	}
if (! $fillflag) {	if (! $fillflag) {
&output_blank_field_error($r,$closebutton,	&output_blank_field_error($r,$closebutton,
'phase=disp_adv',$hidden_fields);	'phase=disp_adv',$hidden_fields);
Line 1368 sub parse_advanced_search {	Line 1468 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 1398 sub parse_advanced_search {	Line 1498 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);	$searchphrase = join(' OR ',@extensions);
}	}
Line 1415 sub parse_advanced_search {	Line 1515 sub parse_advanced_search {
}	}
#	#
# Evaluate option lists	# Evaluate option lists
if ($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";
}	}
#	if ($env{'form.area'} eq 'portfolio') {
# Statistics	#
foreach my $field (@StatsFields,@EvalFields) {	# Added metadata fields
my ($min,$max);	for (my $i=0; $i<$env{'form.numaddedfields'} ; $i++) {
if (exists($ENV{'form.'.$field.'_min'}) &&	my $field = $env{'form.addedfield_'.$i};
$ENV{'form.'.$field.'_min'} ne '') {	$field =~ s/^\s(\S)\s*$/$1/;
$min = $ENV{'form.'.$field.'_min'};	$field =~ s/\W/_/g;
}	$field =~ tr/A-Z/a-z/;
if (exists($ENV{'form.'.$field.'_max'}) &&	if ($field ne '') {
$ENV{'form.'.$field.'_max'} ne '') {	my $value = $env{'form.addedvalues_'.$i};
$max = $ENV{'form.'.$field.'_max'};	if ($value ne '') {
}	$value =~ s/'/''/g; #' stupid emacs
next if (! defined($max) && ! defined($min));	my ($error,$query) =
if (defined($min) && defined($max)) {	&process_phrase_input($value,0,'pf.value');
($min,$max) = sort {$a <=>$b} ($min,$max);	if (!defined($error)) {
}	push(@queries,"pf.field = '$field' AND $query");
if (defined($min) && $min =~ /^(\d+\.\d+\|\d+\|\.\d+)$/) {	$pretty_search_string .=
push(@queries,'('.$field.'>'.$min.')');	$font.$field.'</font>: '.
$pretty_search_string.=$font.$field.'</font>>'.$min.'<br />';	$env{'form.addedvalues_'.$i}.'<br />';
}	}
if (defined($max) && $max =~ /^(\d+\.\d+\|\d+\|\.\d+)$/) {	} else {
push(@queries,'('.$field.'<'.$max.')');	push(@queries,"pf.field = '$field' AND pf.value IS NULL");
$pretty_search_string.=$font.$field.'</font><'.$max.'<br />';	}
	}
	}
	} else {
	#
	# Statistics
	foreach my $field (@StatsFields,@EvalFields) {
	my ($min,$max);
	if (exists($env{'form.'.$field.'_min'}) &&
	$env{'form.'.$field.'_min'} ne '') {
	$min = $env{'form.'.$field.'_min'};
	}
	if (exists($env{'form.'.$field.'_max'}) &&
	$env{'form.'.$field.'_max'} ne '') {
	$max = $env{'form.'.$field.'_max'};
	}
	next if (! defined($max) && ! defined($min));
	if (defined($min) && defined($max)) {
	($min,$max) = sort {$a <=>$b} ($min,$max);
	}
	if (defined($min) && $min =~ /^(\d+\.\d+\|\d+\|\.\d+)$/) {
	push(@queries,'('.$field.'>'.$min.')');
	$pretty_search_string.=$font.$field.'</font>>'.$min.'<br />';
	}
	if (defined($max) && $max =~ /^(\d+\.\d+\|\d+\|\.\d+)$/) {
	push(@queries,'('.$field.'<'.$max.')');
	$pretty_search_string.=$font.$field.'</font><'.$max.'<br />';
	}
}	}
}	}
#	#
Line 1506 sub parse_advanced_search {	Line 1633 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);	# $customshow=join(" ",@fields);
Line 1524 sub parse_advanced_search {	Line 1651 sub parse_advanced_search {
##	##
## Deal with restrictions to given domains	## Deal with restrictions to given domains
##	##
my ($libraries_to_query,$pretty_domains_string) =	my ($libraries_to_query,$pretty_domains_string) = &parse_domain_restrictions();
&parse_domain_restrictions();	if ($pretty_domains_string) {
$pretty_search_string .= $pretty_domains_string."<br />\n";	$pretty_search_string .= $pretty_domains_string."<br />\n";
	}
#	#
if (@queries) {	if (@queries) {
$query="SELECT * FROM metadata WHERE (".join(") AND (",@queries).')';	if ($env{'form.area'} eq 'portfolio') {
	$query ="SELECT pm.*,pa.keynum,pa.scope FROM portfolio_metadata pm, portfolio_access pa, portfolio_addedfields pf WHERE (pm.url = pa.url AND pf.url = pm.url AND (pa.start < UTC_TIMESTAMP() AND (pa.end IS NULL OR pa.end > UTC_TIMESTAMP())) AND (".join(') AND (',@queries).'))';
	} else {
	$query="SELECT * FROM metadata WHERE (".join(") AND (",@queries).')';
	}
} elsif ($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;
Line 1558 sub parse_domain_restrictions {	Line 1685 sub parse_domain_restrictions {
$domain_hash{$_}++;	$domain_hash{$_}++;
}	}
if ($domain_hash{'any'}) {	if ($domain_hash{'any'}) {
$pretty_domains_string = "In all LON-CAPA domains.";	$pretty_domains_string = &mt("in all LON-CAPA domains.");
} else {	} else {
if (@allowed_domains > 1) {	if (@allowed_domains > 1) {
$pretty_domains_string = "In LON-CAPA domains:";	$pretty_domains_string = &mt("in LON-CAPA domains:");
} else {	} else {
$pretty_domains_string = "In LON-CAPA domain ";	$pretty_domains_string = &mt("in LON-CAPA domain ");
}	}
foreach (sort @allowed_domains) {	foreach (sort @allowed_domains) {
$pretty_domains_string .= "<b>".$_."</b> ";	$pretty_domains_string .= "<b>".$_."</b> ";
}	}
foreach (keys(%Apache::lonnet::libserv)) {	my %servers = &Apache::lonnet::get_servers(\@allowed_domains,
if (exists($domain_hash{$Apache::lonnet::hostdom{$_}})) {	'library');
push @$libraries_to_query,$_;	$libraries_to_query = [keys(%servers)];
}
}
}	}
return ($libraries_to_query,$pretty_domains_string);	return ($libraries_to_query,
	$pretty_domains_string);
}	}

######################################################################	######################################################################
Line 1595 sub parse_basic_search {	Line 1721 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($ENV{"form.$_"});	$env{"form.$_"}=&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) = &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;
}	}
my $pretty_search_string=$search_string;	my $pretty_search_string=$search_string;
my @Queries;	my @Queries;
my $searchfield = 'concat_ws(" ",'.join(',',	my @fields = ('title','author','subject','notes','abstract','keywords');
('title','author','subject',	my $searchfield;
'notes','abstract','keywords')	if ($env{'form.area'} eq 'portfolio') {
).')';	$searchfield = 'concat_ws(" ",pm.'.join(',pm.',@fields).')';
	} else {
	$searchfield = 'concat_ws(" ",'.join(',',@fields).')';
	}
my ($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 1630 sub parse_basic_search {	Line 1758 sub parse_basic_search {
#foreach my $q (@Queries) {	#foreach my $q (@Queries) {
# &Apache::lonnet::logthis(' '.$q);	# &Apache::lonnet::logthis(' '.$q);
#}	#}
my $final_query = 'SELECT * FROM metadata WHERE '.join(" AND ",@Queries);	my $final_query;
	if ($env{'form.area'} eq 'portfolio') {
	$final_query = 'SELECT pm.*,pa.keynum,pa.scope FROM portfolio_metadata pm, portfolio_access pa WHERE (pm.url = pa.url AND (pa.start < UTC_TIMESTAMP() AND (pa.end IS NULL OR pa.end > UTC_TIMESTAMP())) AND '.join(" AND ",@Queries).')';
	} else {
	$final_query = 'SELECT * FROM metadata WHERE '.join(" AND ",@Queries);
	}
#	#
	if ($env{'form.related'}) {
	$pretty_search_string.=' '.&mt('(including related words)');
	}
if (defined($pretty_domains_string) && $pretty_domains_string ne '') {	if (defined($pretty_domains_string) && $pretty_domains_string ne '') {
$pretty_search_string .= ' '.$pretty_domains_string;	$pretty_search_string .= ' '.$pretty_domains_string;
}	}
$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 1740 sub process_phrase_input {	Line 1876 sub process_phrase_input {
$item[1];	$item[1];
}	}
term:	term:
/[\w\Q:!@#$%^&*()+_=\|{}<>,.;\\\/?\E]+/ {	/[\w\Q:!@#$%^&*()+_=\|{}<>,.;\\\/?\E\-]+/ {
$item[1];	$item[1];
}	}
ENDGRAMMAR	ENDGRAMMAR
Line 1991 sub copyright_check {	Line 2127 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 $resdom)) {
return 0;	return 0;
}	}
	# Check for custom rights
	if ($Metadata->{'copyright'} eq 'custom') {
	return &Apache::lonnet::customaccess('bre',$Metadata->{'url'});
	}
return 1;	return 1;
}	}

Line 2028 sub ensure_db_and_table {	Line 2168 sub ensure_db_and_table {
##	##
if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {	if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {
$r->print("Unable to retrieve search results. ".	$r->print("Unable to retrieve search results. ".
"Unable to determine the table results were stored in. ".	"Unable to determine the table results were saved in. ".
"</body></html>");	&Apache::loncommon::end_page());
return undef;	return undef;
}	}
##	##
Line 2038 sub ensure_db_and_table {	Line 2178 sub ensure_db_and_table {
my $connection_result = &Apache::lonmysql::connect_to_db();	my $connection_result = &Apache::lonmysql::connect_to_db();
if (!defined($connection_result)) {	if (!defined($connection_result)) {
$r->print("Unable to connect to the MySQL database where your results".	$r->print("Unable to connect to the MySQL database where your results".
" are stored. </body></html>");	" are saved.".
	&Apache::loncommon::end_page());
&Apache::lonnet::logthis("lonsearchcat: unable to get lonmysql to".	&Apache::lonnet::logthis("lonsearchcat: unable to get lonmysql to".
" connect to database.");	" connect to database.");
&Apache::lonnet::logthis(&Apache::lonmysql::get_error());	&Apache::lonnet::logthis(&Apache::lonmysql::get_error());
Line 2046 sub ensure_db_and_table {	Line 2187 sub ensure_db_and_table {
}	}
my $table_check = &Apache::lonmysql::check_table($table);	my $table_check = &Apache::lonmysql::check_table($table);
if (! defined($table_check)) {	if (! defined($table_check)) {
$r->print("A MySQL error has occurred.</form></body></html>");	$r->print("A MySQL error has occurred.</form>".
	&Apache::loncommon::end_page());
&Apache::lonnet::logthis("lonmysql was unable to determine the status".	&Apache::lonnet::logthis("lonmysql was unable to determine the status".
" of table ".$table);	" of table ".$table);
return undef;	return undef;
Line 2075 a link to change the search query.	Line 2217 a link to change the search query.
######################################################################	######################################################################
sub print_sort_form {	sub print_sort_form {
my ($r,$pretty_query_string) = @_;	my ($r,$pretty_query_string) = @_;
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1).
&Apache::lonhtmlcommon::breadcrumbs
(undef,'Searching','Searching',undef,undef,
$ENV{'form.catalogmode'} ne 'groupsearch');

##	##
my %SortableFields=&Apache::lonlocal::texthash(	my %SortableFields=&Apache::lonlocal::texthash(
Line 2097 sub print_sort_form {	Line 2235 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
##	##
my $total_results = &Apache::lonmysql::number_of_rows($table);	my $total_results = &Apache::lonmysql::number_of_rows($table);
if (! defined($total_results)) {	if (! defined($total_results)) {
$r->print("A MySQL error has occurred.</form></body></html>");	$r->print("A MySQL error has occurred.</form>".
	&Apache::loncommon::end_page());
&Apache::lonnet::logthis("lonmysql was unable to determine the number".	&Apache::lonnet::logthis("lonmysql was unable to determine the number".
" of rows in table ".$table);	" of rows in table ".$table);
&Apache::lonnet::logthis(&Apache::lonmysql::get_error());	&Apache::lonnet::logthis(&Apache::lonmysql::get_error());
return;	return;
}	}
my $result;	my $js =<<END;
$result.=<<END;	<script type="text/javascript">
<html>
<head>
<script>
function change_sort() {	function change_sort() {
var newloc = "/adm/searchcat?phase=results";	var newloc = "/adm/searchcat?phase=results";
newloc += "&persistent_db_id=$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;
}	}
</script>	</script>
<title>Results</title>	END
</head>
$bodytag	my $start_page = &Apache::loncommon::start_page('Results',$js);
<form name="statusform" action="" method="post">	my $breadcrumbs=
<input type="hidden" name="Queue" value="" />	&Apache::lonhtmlcommon::breadcrumbs('Searching','Searching',
	$env{'form.catalogmode'} ne 'import');

	my $result = <<END;
	$start_page
	$breadcrumbs
	<form name="statusform" action="" method="post" target="_top">
	<input type="hidden" name="catalogmode" value="import" />
	<input type="hidden" name="acts" value="" />
END	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";
# }	# }
# $result.="</select>\n";	# $result.="</select>\n";
my $revise = &revise_button();	my $revise = &revise_button();
$result.=<<END;	$result.='<p>'
<p>	.&mt('There are [_1] matches to your query.',$total_results)
There are $total_results matches to your query. $revise	.' '.$revise.'</p>'
</p><p>	.'<p>'.&mt('Search: ').$pretty_query_string
Search:$pretty_query_string	.'</p></form>';
</p>	$r->print($result.&Apache::loncommon::end_page());
</form>
</body>
</html>
END
$r->print($result);
return;	return;
}	}

Line 2186 my @Fullindicies;	Line 2325 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: search area - either res or portfolio

Returns: the identifier of the table on success, undef on error.	Returns: the identifier of the table on success, undef on error.

Line 2197 Returns: the identifier of the table on	Line 2336 Returns: the identifier of the table on
######################################################################	######################################################################
######################################################################	######################################################################
sub set_up_table_structure {	sub set_up_table_structure {
	my ($tabletype) = @_;
my ($datatypes,$fullindicies) =	my ($datatypes,$fullindicies) =
&LONCAPA::lonmetadata::describe_metadata_storage();	&LONCAPA::lonmetadata::describe_metadata_storage($tabletype);
# Copy the table description before modifying it...	# Copy the table description before modifying it...
@Datatypes = @{$datatypes};	@Datatypes = @{$datatypes};
unshift(@Datatypes,{name => 'id',	unshift(@Datatypes,{name => 'id',
Line 2211 sub set_up_table_structure {	Line 2351 sub set_up_table_structure {
}	}

sub create_results_table {	sub create_results_table {
&set_up_table_structure();	my ($area) = @_;
	if ($area eq 'portfolio') {
	&set_up_table_structure('portfolio_search');
	} else {
	&set_up_table_structure('metadata');
	}
my $table = &Apache::lonmysql::create_table	my $table = &Apache::lonmysql::create_table
( { columns => \@Datatypes,	( { columns => \@Datatypes,
FULLTEXT => [{'columns' => \@Fullindicies},],	FULLTEXT => [{'columns' => \@Fullindicies},],
} );	} );
if (defined($table)) {	if (defined($table)) {
$ENV{'form.table'} = $table;	$env{'form.table'} = $table;
return $table;	return $table;
}	}
return undef; # Error...	return undef; # Error...
Line 2269 sub update_status {	Line 2414 sub update_status {
}	}

{	{
my $max_time = 40; # seconds for the search to complete	my $max_time = 300; # seconds for the search to complete
my $start_time = 0;	my $start_time = 0;
my $last_time = 0;	my $last_time = 0;

Line 2317 Returns: html string for a 'revise searc	Line 2462 Returns: html string for a 'revise searc
######################################################################	######################################################################
######################################################################	######################################################################
sub revise_button {	sub revise_button {
	my $revisetext = &mt('Revise search');
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 $result = qq{<input type="button" value="$revisetext" name="revise"} .
qq{ onClick="parent.location='$newloc';" /> };	qq{ onClick="parent.location='$newloc';" /> };
return $result;	return $result;
}	}
Line 2343 results into MySQL.	Line 2489 results into MySQL.
######################################################################	######################################################################
######################################################################	######################################################################
sub run_search {	sub run_search {
my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;	my ($r,$query,$customquery,$customshow,$serverlist,
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);	$pretty_string,$area) = @_;
$bodytag.=&Apache::lonhtmlcommon::breadcrumbs	my $tabletype = 'metadata';
(undef,'Searching','Searching',undef,undef,	if ($area eq 'portfolio') {
$ENV{'form.catalogmode'} ne 'groupsearch');	$tabletype = 'portfolio_search';
	}
my $connection = $r->connection;	my $connection = $r->connection;
#	#
# Print run_search header	# Print run_search header
#	#
	my $start_page = &Apache::loncommon::start_page('Search Status',undef);
	my $breadcrumbs =
	&Apache::lonhtmlcommon::breadcrumbs('Searching','Searching',
	$env{'form.catalogmode'} ne 'import');
$r->print(<<END);	$r->print(<<END);
<html>	$start_page
<head><title>Search Status</title></head>	$breadcrumbs
$bodytag
<form name="statusform" action="" method="post">
<input type="hidden" name="Queue" value="" />
END	END
# Remove leading and trailing <br />	# Remove leading and trailing <br />
$pretty_string =~ s:^\s*<br />::i;	$pretty_string =~ s:^\s*<br />::i;
Line 2368 END	Line 2516 END
pop(@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();	$r->rflush();
Line 2382 END	Line 2530 END
@Servers_to_contact = ($serverlist);	@Servers_to_contact = ($serverlist);
}	}
} else {	} else {
@Servers_to_contact = sort(keys(%Apache::lonnet::libserv));	my %all_library_servers = &Apache::lonnet::all_library();
	@Servers_to_contact = sort(keys(%all_library_servers));
}	}
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 save search results in.".
"The search has been aborted.</body></html>");	"The search has been aborted.".
	&Apache::loncommon::end_page());
return;	return;
}	}
my $table_status = &Apache::lonmysql::check_table($table);	my $table_status = &Apache::lonmysql::check_table($table);
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.".
	&Apache::loncommon::end_page());
&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'} @ $env{'user.domain'}");
&Apache::lonnet::logthis("lonmysql error = ".	&Apache::lonnet::logthis("lonmysql error = ".
&Apache::lonmysql::get_error());	&Apache::lonmysql::get_error());
return;	return;
Line 2409 END	Line 2560 END
&Apache::lonmysql::get_debug());	&Apache::lonmysql::get_debug());
&Apache::lonnet::logthis('table status = "'.$table_status.'"');	&Apache::lonnet::logthis('table status = "'.$table_status.'"');
$r->print("The table id,$table, we tried to use is invalid.".	$r->print("The table id,$table, we tried to use is invalid.".
"The search has been aborted.</body></html>");	"The search has been aborted.".
	&Apache::loncommon::end_page());
return;	return;
}	}
##	##
## Prepare for the big loop.	## Prepare for the big loop.
my $hitcountsum;	my $hitcountsum;
	my %matches;
my $server;	my $server;
my $status;	my $status;
my $revise = &revise_button();	my $revise = &revise_button();
$r->print(<<END);	$r->print('<form name="statusform" action="" method="post">'."\n".
<table>	'<input type="hidden" name="acts" value="" />'."\n".
<tr><th>Status</th><th>Total Matches</th><th>Time Remaining</th><th></th></tr>	'<table border="0"><tr><td>'."\n".
<tr>	&Apache::loncommon::start_data_table());
<td><input type="text" name="status" value="" size="30" /></td>	$r->print(&Apache::loncommon::start_data_table_header_row()
<td><input type="text" name="count" value="" size="10" /></td>	.'<th>'.&mt('Status').'</th>'
<td><input type="text" name="seconds" value="" size="8" /></td>	.'<th>'.&mt('Total Matches').'</th>'
<td>$revise</td>	.'<th>'.&mt('Time Remaining').'</th>'
</tr>	.&Apache::loncommon::end_data_table_header_row()
</table>	.&Apache::loncommon::start_data_table_row()
</form>	.'<td><input type="text" name="status" value="" size="50" readonly="readonly" /></td>'
END	.'<td><input type="text" name="count" value="" size="10" readonly="readonly" /></td>'
	.'<td><input type="text" name="seconds" value="" size="8" readonly="readonly" /></td>'
	.&Apache::loncommon::end_data_table_row()
	.&Apache::loncommon::end_data_table()
	.'</td><td> </td><td>'.$revise.'</td></tr></table></form>');
$r->rflush();	$r->rflush();
&reset_timing();	&reset_timing();
&update_seconds($r);	&update_seconds($r);
Line 2469 END	Line 2626 END
delete ($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 2498 END	Line 2655 END
next if (! $result);	next if (! $result);
#	#
# Parse the result.	# Parse the result.
my %Fields = &parse_raw_result($result,$server);	my %Fields = &parse_raw_result($result,$server,$tabletype);
$Fields{'hostname'} = $server;	$Fields{'hostname'} = $server;
#	#
# Skip based on copyright	# Skip based on copyright
next if (! &copyright_check(\%Fields));	next if (! &copyright_check(\%Fields));

	if ($area eq 'portfolio') {
	next if (defined($matches{$Fields{'url'}}));
	# Skip if inaccessible
	next if (!&Apache::lonnet::portfolio_access($Fields{'url'}));
	$matches{$Fields{'url'}} = 1;
	}
#	#
# Store the result in the mysql database	# Store the result in the mysql database
my $result = &Apache::lonmysql::store_row($table,\%Fields);	my $result = &Apache::lonmysql::store_row($table,\%Fields);
Line 2535 END	Line 2699 END
# We have run out of time or run out of servers to talk to and	# We have run out of time or run out of servers to talk to and
# 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>");	$r->print(&Apache::loncommon::end_page());
# if ($ENV{'form.catalogmode'} ne 'groupsearch') {	# if ($env{'form.catalogmode'} ne 'import') {
$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=$env{'form.persistent_db_id'}';".
"</script>");	"</script>");
# }	# }
return;	return;
Line 2589 Prints the results out for selection and	Line 2753 Prints the results out for selection and
######################################################################	######################################################################
######################################################################	######################################################################
sub display_results {	sub display_results {
my ($r,$importbutton,$closebutton,$diropendb) = @_;	my ($r,$importbutton,$closebutton,$diropendb,$area) = @_;
my $connection = $r->connection;	my $connection = $r->connection;
$r->print(&search_results_header($importbutton,$closebutton));	$r->print(&search_results_header($importbutton,$closebutton));
##	##
## 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 2603 sub display_results {	Line 2767 sub display_results {
}	}
##	##
## $checkbox_num is a count of the number of checkboxes output on the	## $checkbox_num is a count of the number of checkboxes output on the
## page this is used only during catalogmode=groupsearch.	## page this is used only during catalogmode=import.
my $checkbox_num = 0;	my $checkbox_num = 0;
##	##
## Get the catalog controls setup	## Get the catalog controls setup
##	##
my $action = "/adm/searchcat?phase=results";	my $action = "/adm/searchcat?phase=results";
##	##
## Deal with groupsearch by opening the groupsearch db file.	## Deal with import by opening the import db file.
if ($ENV{'form.catalogmode'} eq 'groupsearch') {	if ($env{'form.catalogmode'} eq 'import') {
if (! tie(%groupsearch_db,'GDBM_File',$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 save import results.</form>'.
	&Apache::loncommon::end_page());
$r->rflush();	$r->rflush();
return;	return;
}	}
}	}
##	##
## 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
my $total_results = &Apache::lonmysql::number_of_rows($table);	my $total_results = &Apache::lonmysql::number_of_rows($table);
if (! defined($total_results)) {	if (! defined($total_results)) {
$r->print("A MySQL error has occurred.</form></body></html>");	$r->print("A MySQL error has occurred.</form>".
	&Apache::loncommon::end_page());
&Apache::lonnet::logthis("lonmysql was unable to determine the number".	&Apache::lonnet::logthis("lonmysql was unable to determine the number".
" of rows in table ".$table);	" of rows in table ".$table);
&Apache::lonnet::logthis(&Apache::lonmysql::get_error());	&Apache::lonnet::logthis(&Apache::lonmysql::get_error());
Line 2635 sub display_results {	Line 2801 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 2657 sub display_results {	Line 2823 sub display_results {
$r->print(&hidden_field('table').	$r->print(&hidden_field('table').
&hidden_field('phase').	&hidden_field('phase').
&hidden_field('persistent_db_id').	&hidden_field('persistent_db_id').
&hidden_field('start')	&hidden_field('start').
	&hidden_field('area')
);	);
#	#
# Build sorting selector	# Build sorting selector
my @field_order = ('default',	my @fields =
'title',	(
'author',	{key=>'default' },
'subject',	{key=>'title' },
'url',	{key =>'author' },
'keywords',	{key =>'subject'},
'version',	{key =>'url',desc=>'URL'},
'language',	{key =>'keywords'},
'creationdate'=>,	{key =>'language'},
'lastrevisiondate',	{key =>'creationdate'},
'owner',	{key =>'lastrevisiondate'},
'copyright',	{key =>'owner'},
'authorspace',	{key =>'copyright'},
'lowestgradeleve',	{key =>'authorspace'},
'highestgradelevel',	{key =>'lowestgradelevel'},
'standards',	{key =>'highestgradelevel'},
'count',	{key =>'standards',desc=>'Standards'},
'stdno',	);
'avetries',	if ($area eq 'portfolio') {
'difficulty',	push(@fields,
'disc',	(
'clear',	{key => 'scope'},
'technical',	{key => 'keynum'},
'correct',	));
'helpful',	} else {
'depth',	push(@fields,
);	(
my %sort_fields = ('default' => 'Default',	{key =>'count',desc=>'Number of accesses'},
'title' => 'Title',	{key =>'stdno',desc=>'Students Attempting'},
'author' => 'Author',	{key =>'avetries',desc=>'Average Number of Tries'},
'subject' => 'Subject',	{key =>'difficulty',desc=>'Mean Degree of Difficulty'},
'url' => 'URL',	{key =>'disc',desc=>'Mean Degree of Discrimination'},
'keywords' => 'Keywords',	{key =>'clear',desc=>'Evaluation: Clear'},
'version' => 'Version',	{key =>'technical',desc=>'Evaluation: Technically Correct'},
'language' => 'Language',	{key =>'correct',desc=>'Evaluation: Material is Correct'},
'creationdate'=> 'Creation Date',	{key =>'helpful',desc=>'Evaluation: Material is Helpful'},
'lastrevisiondate' => 'Last Revision Date',	{key =>'depth',desc=>'Evaluation: Material has Depth'},
'owner' => 'Owner',	));
'copyright' => 'Copyright',	}
'authorspace' => 'Authorspace',	my %fieldnames = &Apache::lonmeta::fieldnames();
'lowestgradeleve' => 'Lowest Grade Level',	my @field_order;
'highestgradelevel' => 'Highest Grade Level',	foreach my $field_data (@fields) {
'standards' => 'Standards',	push(@field_order,$field_data->{'key'});
'count' => 'Number of Accesses',	if (! exists($field_data->{'desc'})) {
'stdno' => 'Students Attempting',	$field_data->{'desc'}=$fieldnames{$field_data->{'key'}};
'avetries' => 'Average Number of Tries',	} else {
'difficulty' => 'Mean Degree of Difficulty',	if (! defined($field_data->{'desc'})) {
'disc' => 'Mean Degree of Discrimination',	$field_data->{'desc'} = ucfirst($field_data->{'key'});
'clear' => 'Evaluation: Clear',	}
'technical' => 'Evaluation: Technically Correct',	$field_data->{'desc'} = &mt($field_data->{'desc'});
'correct' => 'Evaluation: Material is Correct',	}
'helpful' => 'Evaluation: Material is Helpful',	}
'depth' => 'Evaluation: Material has Depth',	my %sort_fields = map {$_->{'key'},$_->{'desc'}} @fields;
'select_form_order' => \@field_order,	$sort_fields{'select_form_order'} = \@field_order;
);	$env{'form.sortorder'} = 'desc' if (! exists($env{'form.sortorder'}));
	if (! exists($env{'form.sortfield'})) {
my $sortform = &mt('Sort by [_1]',	if ($area eq 'portfolio') {
&Apache::loncommon::select_form($ENV{'form.sortfield'},	$env{'form.sortfield'} = 'owner';
	} else {
	$env{'form.sortfield'} = 'count';
	}
	}
	if (! exists($env{'form.sortorder'})) {
	if ($env{'form.sortfield'}=~/^(count\|stdno\|disc\|clear\|technical\|correct\|helpful)$/) {
	$env{'form.sortorder'}='desc';
	} else {
	$env{'form.sortorder'}='asc';
	}
	}
	my $sortform = &mt('Sort by [_1] [_2]',
	&Apache::loncommon::select_form($env{'form.sortfield'},
'sortfield',	'sortfield',
%sort_fields));	%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="25%" align="right">'.	('<table width="100%"><tr><td width="25%" align="right">'.
$sortform.	'<span class="LC_nobreak">'.$sortform.'</span>'.
'</td><td width="25%" align="right">'.	'</td><td width="25%" align="right">'.
&prev_next_buttons($min,$ENV{'form.show'},$total_results).	&prev_next_buttons($min,$env{'form.show'},$total_results).
'</td><td align="right">'.	'</td><td align="right">'.
&viewoptions().'</td></tr></table>'	&viewoptions().'</td></tr></table>'
);	);
if ($total_results == 0) {	if ($total_results == 0) {
$r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2">'.	$r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2" />'.
'<h3>'.&mt('There are currently no results').'.</h3>'.	'<h3>'.&mt('There are currently no results').'.</h3>'.
"</form></body></html>");	"</form>".
	&Apache::loncommon::end_page());
return;	return;
} else {	} else {
$r->print('<center>'.	$r->print('<center>'.
Line 2745 sub display_results {	Line 2932 sub display_results {
##	##
## Get results from MySQL table	## Get results from MySQL table
my $sort_command = 'id>='.$min.' AND id<='.$max;	my $sort_command = 'id>='.$min.' AND id<='.$max;
if ($ENV{'form.sortfield'} ne 'default' &&	my $order;
exists($sort_fields{$ENV{'form.sortfield'}})) {	if (exists($env{'form.sortorder'})) {
$sort_command = $ENV{'form.sortfield'}.' IS NOT NULL '.	if ($env{'form.sortorder'} eq 'asc') {
'ORDER BY '.$ENV{'form.sortfield'}.	$order = 'ASC';
' LIMIT '.($min-1).','.($max-$min);	} 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+1);
}	}
my @Results = &Apache::lonmysql::get_rows($table,$sort_command);	my @Results = &Apache::lonmysql::get_rows($table,$sort_command);
##	##
## Loop through the results and output them.	## Loop through the results and output them.
	my $tabletype = 'metadata';
	if ($area eq 'portfolio') {
	$tabletype = 'portfolio_search';
	}
foreach my $row (@Results) {	foreach my $row (@Results) {
if ($connection->aborted()) {	if ($connection->aborted()) {
&cleanup();	&cleanup();
return;	return;
}	}
my %Fields = %{&parse_row(@$row)};	my %Fields = %{&parse_row($tabletype,@$row)};
my $output="<p>\n";	my $output="<p>\n";
if (! defined($Fields{'title'}) \|\| $Fields{'title'} eq '') {	if (! defined($Fields{'title'}) \|\| $Fields{'title'} eq '') {
$Fields{'title'} = 'Untitled';	$Fields{'title'} = 'Untitled';
Line 2777 sub display_results {	Line 2980 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"
);	);
}	}
$r->print("</form></body></html>");	$r->print("</form>".&Apache::loncommon::end_page());
$r->rflush();	$r->rflush();
untie %groupsearch_db if (tied(%groupsearch_db));	untie %groupsearch_db if (tied(%groupsearch_db));
return;	return;
Line 2799 sub display_results {	Line 3002 sub display_results {
=item &catalogmode_output($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 2808 $ENV{'form.catalogmode'}. Stores data i	Line 3011 $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 'import') {
$groupsearch_db{"pre_${fnum}_link"}=$url;	$groupsearch_db{"pre_${fnum}_link"}=$url;
$groupsearch_db{"pre_${fnum}_title"}=$title;	$groupsearch_db{"pre_${fnum}_title"}=$title;
$output.=<<END;	$output.=<<END;
<font size='-1'>	<font size='-1'>
<input type="checkbox" name="returnvalues" value="SELECT"	<input type="checkbox" name="returnvalues" value="select"
onClick="javascript:queue($checkbox_num,$fnum)" />	onClick="javascript:queue($checkbox_num,$fnum)" />
</font>	</font>
END	END
Line 2843 Parse a row returned from the database.	Line 3046 Parse a row returned from the database.
######################################################################	######################################################################
######################################################################	######################################################################
sub parse_row {	sub parse_row {
my @Row = @_;	my ($tabletype,@Row) = @_;
my %Fields;	my %Fields;
if (! scalar(@Datatypes)) {	if (! scalar(@Datatypes)) {
&set_up_table_structure();	&set_up_table_structure($tabletype);
}	}
for (my $i=0;$i<=$#Row;$i++) {	for (my $i=0;$i<=$#Row;$i++) {
$Fields{$Datatypes[$i]->{'name'}}=&Apache::lonnet::unescape($Row[$i]);	$Fields{$Datatypes[$i]->{'name'}}=&unescape($Row[$i]);
}	}
$Fields{'language'} =	$Fields{'language'} =
&Apache::loncommon::languagedescription($Fields{'language'});	&Apache::loncommon::languagedescription($Fields{'language'});
Line 2882 The 'title' field is set to "Untitled" i	Line 3085 The 'title' field is set to "Untitled" i
###########################################################	###########################################################
###########################################################	###########################################################
sub parse_raw_result {	sub parse_raw_result {
my ($result,$hostname) = @_;	my ($result,$hostname,$tabletype) = @_;
# conclude from self to others regarding fields	# conclude from self to others regarding fields
my %Fields=&LONCAPA::lonmetadata::metadata_col_to_hash	my %Fields=&LONCAPA::lonmetadata::metadata_col_to_hash
(map {	($tabletype,
&Apache::lonnet::unescape($_);	map {
} (split(/\,/,$result)) );	&unescape($_);
	} (split(/\,/,$result)) );
return %Fields;	return %Fields;
}	}

Line 2907 sub handle_custom_fields {	Line 3111 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><!-- $_ -->";
Line 2924 sub handle_custom_fields {	Line 3128 sub handle_custom_fields {
if ($result=~/^(custom\=.*)$/) { # grab all custom metadata	if ($result=~/^(custom\=.*)$/) { # grab all custom metadata
my $tmp=$result;	my $tmp=$result;
$tmp=~s/^custom\=//;	$tmp=~s/^custom\=//;
my ($k,$v)=map {&Apache::lonnet::unescape($_);	my ($k,$v)=map {&unescape($_);
} split(/\,/,$tmp);	} split(/\,/,$tmp);
$customhash{$k}=$v;	$customhash{$k}=$v;
}	}
Line 2942 sub handle_custom_fields {	Line 3146 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 2956 The following environment variables are	Line 3160 The following environment variables are

=item 'form.catalogmode'	=item 'form.catalogmode'

Checked for 'interactive' and 'groupsearch'.	Checked for 'interactive' and 'import'.

=item 'form.mode'	=item 'form.mode'

Line 2982 the name of the input field to put the t	Line 3186 the name of the input field to put the t
######################################################################	######################################################################
sub search_results_header {	sub search_results_header {
my ($importbutton,$closebutton) = @_;	my ($importbutton,$closebutton) = @_;
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
my $result = '';	my $js;
# output beginning of search page	# output beginning of search page
# conditional output of script functions dependent on the mode in	# conditional output of script functions dependent on the mode in
# which the search was invoked	# which the search was invoked
if ($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;	$js.=<<SCRIPT;
<script type="text/javascript">	<script type="text/javascript">
function select_data(title,url) {	function select_data(title,url) {
changeTitle(title);	changeTitle(title);
Line 3008 sub search_results_header {	Line 3212 sub search_results_header {
}	}
</script>	</script>
SCRIPT	SCRIPT
} elsif ($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 3028 function changeTitle(val) {	Line 3232 function changeTitle(val) {
END	END
}	}

$result.=<<SCRIPT;	$js.=<<SCRIPT;
<script type="text/javascript">	<script type="text/javascript">
function select_data(title,url) {	function select_data(title,url) {
changeURL(url);	changeURL(url);
Line 3048 function changeURL(val) {	Line 3252 function changeURL(val) {
SCRIPT	SCRIPT
}	}
}	}
$result.=<<SCRIPT if $ENV{'form.catalogmode'} eq 'groupsearch';	my $inhibit_menu = "&".&Apache::loncommon::inhibit_menu_check();
	$js.=<<SCRIPT if $env{'form.catalogmode'} eq 'import';
<script type="text/javascript">	<script type="text/javascript">
function queue(checkbox_num,val) {	function queue(checkbox_num,val) {
if (document.forms.results.returnvalues.length != "undefined" &&	if (document.forms.results.returnvalues.length != "undefined" &&
typeof(document.forms.results.returnvalues.length) == "number") {	typeof(document.forms.results.returnvalues.length) == "number") {
if (document.forms.results.returnvalues[checkbox_num].checked) {	if (document.forms.results.returnvalues[checkbox_num].checked) {
parent.statusframe.document.forms.statusform.elements.Queue.value +='1a'+val+'b';	parent.statusframe.document.forms.statusform.elements.acts.value +='1a'+val+'b';
} else {	} else {
parent.statusframe.document.forms.statusform.elements.Queue.value +='0a'+val+'b';	parent.statusframe.document.forms.statusform.elements.acts.value +='0a'+val+'b';
}	}
} else {	} else {
if (document.forms.results.returnvalues.checked) {	if (document.forms.results.returnvalues.checked) {
parent.statusframe.document.forms.statusform.elements.Queue.value +='1a'+val+'b';	parent.statusframe.document.forms.statusform.elements.acts.value +='1a'+val+'b';
} else {	} else {
parent.statusframe.document.forms.statusform.elements.Queue.value +='0a'+val+'b';	parent.statusframe.document.forms.statusform.elements.acts.value +='0a'+val+'b';
}	}
}	}
}	}
function select_group() {	function select_group() {
parent.window.location=	parent.window.location=
"/adm/groupsort?mode=$ENV{'form.mode'}&catalogmode=groupsearch&acts="+	"/adm/groupsort?mode=$env{'form.mode'}&catalogmode=import$inhibit_menu&acts="+
parent.statusframe.document.forms.statusform.elements.Queue.value;	parent.statusframe.document.forms.statusform.elements.acts.value;
}	}
</script>	</script>
SCRIPT	SCRIPT
$result.=<<END;
</head>	my $start_page = &Apache::loncommon::start_page(undef,$js,
$bodytag	{'only_body' =>1});
<form name="results" method="post" action="/adm/searchcat" >	my $result=<<END;
<input type="hidden" name="Queue" value="" />	$start_page
	<form name="results" method="post" action="/adm/searchcat">
$importbutton	$importbutton
END	END
return $result;	return $result;
}	}

######################################################################
######################################################################
sub search_status_header {
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
return <<ENDSTATUS;
<html><head><title>Search Status</title></head>
$bodytag
<h3>Search Status</h3>
Sending search request to LON-CAPA servers.<br />
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 3107 sub results_link {	Line 3301 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 $result = <<"ENDFRAMES";	my $js = <<JS;
<html>	<script type="text/javascript">
<head>
<script>
var targetwin = opener;	var targetwin = opener;
var queue = '';	var queue = '';
</script>	</script>
<title>LON-CAPA Digital Library Search Results</title>	JS
</head>
<frameset rows="150,*">	my $start_page =
	&Apache::loncommon::start_page('LON-CAPA Digital Library Search Results',
	$js,
	{'frameset' => 1,
	'add_entries' => {
	'rows' => "150,*",},});
	my $end_page =
	&Apache::loncommon::end_page({'frameset' => 1});

	my $result = <<"ENDFRAMES";
	$start_page
<frame name="statusframe" src="$run_search_link">	<frame name="statusframe" src="$run_search_link">
<frame name="resultsframe" src="$results_link">	<frame name="resultsframe" src="$results_link">
</frameset>	$end_page
</html>
ENDFRAMES	ENDFRAMES

$r->print($result);	$r->print($result);
Line 3191 extra custom metadata to show.	Line 3392 extra custom metadata to show.
sub detailed_citation_view {	sub detailed_citation_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
my $result;	my $result;
	my $jumpurl=$values{'url'};
	$jumpurl=~s\|^/ext/\|http://\|;
$result .= '<b>'.$prefix.	$result .= '<b>'.$prefix.
'<img src="'.&Apache::loncommon::icon($values{'url'}).' " />'.' '.	'<img src="'.&Apache::loncommon::icon($values{'url'}).'" />'.' '.
'<a href="http://'.$ENV{'HTTP_HOST'}.$values{'url'}.'" '.	'<a href="'.$jumpurl.'?inhibitmenu=yes" '.
'target="search_preview">'.$values{'title'}."</a></b>\n";	'target="preview">'.$values{'title'}."</a></b>\n";
$result .= "<p>\n";	$result .= "<p>\n";
$result .= '<b>'.$values{'author'}.'</b>,'.	$result .= '<b>'.$values{'author'}.'</b>,'.
' <i>'.$values{'owner'}.'</i><br />';	' <i>'.$values{'owner'}.'</i><br />';
Line 3258 sub detailed_citation_view {	Line 3461 sub detailed_citation_view {
next if (! exists($values{$field->{'name'}}) \|\|	next if (! exists($values{$field->{'name'}}) \|\|
$values{$field->{'name'}} eq '');	$values{$field->{'name'}} eq '');
if (exists($field->{'type'}) && $field->{'type'} eq 'list') {	if (exists($field->{'type'}) && $field->{'type'} eq 'list') {
$result .= '<b>'.&mt($field->{'translate'}).'</b><ul>';	$result .= '<b>'.&mt($field->{'translate'}).'</b>';
foreach my $item (split(',',$values{$field->{'name'}})){	foreach my $item (split(',',$values{$field->{'name'}})){
$result .= '<li>'.	$item = &Apache::lonnet::clutter($item);
'<a target="search_preview" '.	$result .= &display_url($item,[2,0,1]);
'href="/res/'.$item.'">'.$item.'</a></li>';
}	}
$result .= '</ul>';
} elsif (exists($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.=	$result .= &display_url($jumpurl,[3,0,1]);
&mt($field->{'translate'},
'<a href="'.$values{'url'}.'" '.
'target="search_preview">'.
$values{$field->{'name'}}.
'</a>');
} else {	} else {
$result.= &mt($field->{'translate'},	$result.= &mt($field->{'translate'},
$values{$field->{'name'}});	$values{$field->{'name'}});
Line 3291 sub detailed_citation_view {	Line 3487 sub detailed_citation_view {
if (exists($values{'shortabstract'}) && $values{'shortabstract'} ne '') {	if (exists($values{'shortabstract'}) && $values{'shortabstract'} ne '') {
$result .= '<p>'.$values{'shortabstract'}.'</p>';	$result .= '<p>'.$values{'shortabstract'}.'</p>';
}	}
$result .= '<hr align="left" width="200" noshade />'."\n";	$result .= '<hr />'."\n";
return $result;	return $result;
}	}

	sub detailed_citation_preview {
	my ($prefix,%values)=@_;
	return '<table><tr><td>'.
	&detailed_citation_view($prefix,%values).
	'</td><td>'.
	&Apache::lonindexer::showpreview($values{'url'}).
	'</td></tr></table><hr />';
	}


######################################################################	######################################################################
######################################################################	######################################################################

Line 3308 sub detailed_citation_view {	Line 3514 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($env{'form.sortfield'}) &&
<a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	$env{'form.sortfield'} !~ /^(default\|
target='search_preview'>$values{'author'}</a><br />	author\|
$values{'title'}<br />	url\|
$values{'owner'} -- $values{'lastrevisiondate'}<br />	title\|
	owner\|
	lastrevisiondate\|
	copyright)$/x) {
	my $tmp = $values{$env{'form.sortfield'}};
	if (! defined($tmp)) { $tmp = 'undefined'; }
	$result .= ' '.$tmp.' ';
	}
	my $jumpurl=$values{'url'};
	$jumpurl=~s\|^/ext/\|http://\|;
	my $link = &display_url($jumpurl,[2,0,1]);

	$result.=<<END;
	<a href="$jumpurl?inhibitmenu=yes"
	target='preview'>$values{'title'}</a> <br />
	$link <br />
	$values{'author'}, $values{'owner'} -- $values{'lastrevisiondate'}<br />
$values{'copyrighttag'}<br />	$values{'copyrighttag'}<br />
$values{'extrashow'}	$values{'extrashow'}
</p>	</p>
<hr align='left' width='200' noshade />	<hr />
END	END
return $result;	return $result;
}	}

	sub summary_preview {
	my ($prefix,%values)=@_;
	return '<table><tr><td>'.
	&summary_view($prefix,%values).
	'</td><td>'.
	&Apache::lonindexer::showpreview($values{'url'}).
	'</td></tr></table><hr />';
	}

######################################################################	######################################################################
######################################################################	######################################################################

Line 3335 END	Line 3566 END
######################################################################	######################################################################
sub compact_view {	sub compact_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
	my $jumpurl=$values{'url'};
	$jumpurl=~s\|^/ext/\|http://\|;

	my $link = &display_url($jumpurl,[1,1,1]);

my $result =	my $result =
$prefix.'<img src="'.&Apache::loncommon::icon($values{'url'}).	$prefix.'<img src="'.&Apache::loncommon::icon($values{'url'}).'" alt="" />';
'"> <a href="'.$values{'url'}.'" target="search_preview">'.	if (exists($env{'form.sortfield'}) &&
$values{'title'}.'</a>'.(' 'x2).	$env{'form.sortfield'} !~ /^(default\|author\|url\|title)$/) {
'<b>'.$values{'author'}.'</b><br />';	my $tmp = $values{$env{'form.sortfield'}};
	if (! defined($tmp)) { $tmp = 'undefined'; }
	$result .= ' '.$tmp.' ';
	}
	$jumpurl = &HTML::Entities::encode($jumpurl,'<>&"');
	$result.=' <span class="LC_nobreak">'.
	'<a href="'.$jumpurl.'?inhibitmenu=yes" target="preview">'.
	&HTML::Entities::encode($values{'title'},'<>&"').'</a></span> '.
	$link.' <b>'.$values{'author'}.'</b> ('.$values{'domain'}.')<br />';
return $result;	return $result;
}	}

	sub display_url {
	my ($url,$crumb_args) = @_;
	my $link;
	if ($url=~m\|^/ext/\|) {
	$url=~s\|^/ext/\|http://\|;
	$link='<span class="LC_filename">'.$url.'</span>';
	} elsif ($url=~m{^(http://\|/uploaded/)}) {
	$link='<span class="LC_filename">'.$url.'</span>';
	} else {
	$link=&Apache::lonhtmlcommon::crumbs($url,
	'preview',
	'',
	(($env{'form.catalogmode'} eq 'import')?'parent.statusframe.document.forms.statusform':''),@{$crumb_args}).' ';
	}
	return $link;
	}

######################################################################	######################################################################
######################################################################	######################################################################
Line 3359 sub fielded_format_view {	Line 3619 sub fielded_format_view {
my ($prefix,%values) = @_;	my ($prefix,%values) = @_;
my $icon=&Apache::loncommon::icon($values{'url'});	my $icon=&Apache::loncommon::icon($values{'url'});
my %Translated = &Apache::lonmeta::fieldnames();	my %Translated = &Apache::lonmeta::fieldnames();
	my $jumpurl=$values{'url'};
	$jumpurl=~s\|^/ext/\|http://\|;

my $result=<<END;	my $result=<<END;
$prefix <img src="$icon" />	$prefix <img src="$icon" />
<dl>	<dl>
<dt>URL:</dt>	<dt>URL:</dt>
<dd><a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	<dd><a href="$jumpurl?inhibitmenu=yes"
target='search_preview'>$values{'url'}</a></dd>	target='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 3386 END	Line 3649 END
}	}
$result .= "</dl>\n";	$result .= "</dl>\n";
$result .= $values{'extrashow'};	$result .= $values{'extrashow'};
$result .= '<hr align="left" width="200" noshade />'."\n";	$result .= '<hr />'."\n";
return $result;	return $result;
}	}

Line 3407 sub xml_sgml_view {	Line 3670 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 3460 $prefix	Line 3723 $prefix
$xml	$xml
</pre>	</pre>
$values{'extrashow'}	$values{'extrashow'}
<hr align='left' width='200' noshade />	<hr />
END	END
return $result;	return $result;
}	}
Line 3500 sub output_unparsed_phrase_error {	Line 3763 sub output_unparsed_phrase_error {
my ($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 $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 $start_page = &Apache::loncommon::start_page('Search');
	my $end_page = &Apache::loncommon::end_page();
$r->print(<<ENDPAGE);	$r->print(<<ENDPAGE);
<html>	$start_page
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
$bodytag
<form method="post" action="/adm/searchcat">	<form method="post" action="/adm/searchcat">
$hidden_fields	$hidden_fields
$closebutton	$closebutton
Line 3523 $closebutton	Line 3783 $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>	$end_page
</html>
ENDPAGE	ENDPAGE
}	}

Line 3552 $parms is extra information to include i	Line 3811 $parms is extra information to include i
######################################################################	######################################################################
sub output_blank_field_error {	sub output_blank_field_error {
my ($r,$closebutton,$parms,$hidden_fields)=@_;	my ($r,$closebutton,$parms,$hidden_fields)=@_;
my $bodytag=&Apache::loncommon::bodytag('Search');
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 $start_page = &Apache::loncommon::start_page('Search');
	my $end_page = &Apache::loncommon::end_page();
$r->print(<<ENDPAGE);	$r->print(<<ENDPAGE);
<html>	$start_page
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
$bodytag
<form method="post" action="/adm/searchcat">	<form method="post" action="/adm/searchcat">
$hidden_fields	$hidden_fields
$closebutton	$closebutton
Line 3571 $closebutton	Line 3827 $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>	$end_page
</html>
ENDPAGE	ENDPAGE
return;	return;
}	}
Line 3601 Inputs:	Line 3856 Inputs:
sub output_date_error {	sub output_date_error {
my ($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 $start_page = &Apache::loncommon::start_page('Search');
	my $end_page = &Apache::loncommon::end_page();
$r->print(<<RESULTS);	$r->print(<<RESULTS);
<html>	$start_page
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
$bodytag
<img align='right' src='/adm/lonIcons/lonlogos.gif' />
<h1>Search Catalog</h1>
<form method="post" action="/adm/searchcat">	<form method="post" action="/adm/searchcat">
$hidden_fields	$hidden_fields
<input type='button' value='Revise search request'	<input type='button' value='Revise search request'
Line 3620 $closebutton	Line 3870 $closebutton
<p>	<p>
$message	$message
</p>	</p>
</body>	$end_page
</html>
RESULTS	RESULTS
}	}

Line 3661 sub cleanup {	Line 3910 sub cleanup {
}	}
&untiehash();	&untiehash();
&Apache::lonmysql::disconnect_from_db();	&Apache::lonmysql::disconnect_from_db();
	return OK;
}	}

__END__	__END__

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

Removed from v.1.236
changed lines
	Added in v.1.311