From: Ian Jackson <ian@liberator.relativity.greenend.org.uk>
Date: Sun, 16 Aug 2009 15:33:59 +0000 (+0100)
Subject: Query-specific "var"s
X-Git-Tag: 3.4~172
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.db-live.git;a=commitdiff_plain;h=beb534d7a087641ff404c3d36d81db61e9d6c05d

Query-specific "var"s
---

diff --git a/yarrg/web/lookup b/yarrg/web/lookup
index f194fc5..0b6466e 100755
--- a/yarrg/web/lookup
+++ b/yarrg/web/lookup
@@ -58,6 +58,14 @@ my %styles;
 		Values => [	[ 'route', 'Trades for route' ],
 				[ 'commod', 'Prices for commodity' ],
 				[ 'age', 'Data age' ] ]
+	}, {	Name => 'BuySell',
+		Before => '',
+		Values => [	[ 'buy_sell',	'Buy and sell' ],
+				[ 'sell_buy',	'Sell and buy' ],
+				[ 'buy',	'Buy offers only' ],
+				[ 'sell',	'Sell offers only' ],
+			],
+		QuerySpecific => 1,
 	});
 
 foreach my $var (@vars) {
@@ -127,7 +135,8 @@ my $quri= sub {
 	$uri->path_query();
 };
 
-foreach my $var (@vars) {
+my $prselector_core= sub {
+	my ($var)= @_;
 	my $name= $var->{Name};
 	my $lname= lc $var->{Name};
 	my $delim= $var->{Before};
@@ -154,6 +163,22 @@ foreach my $var (@vars) {
 		$cvalix++;
 	}
 	print "<p>\n\n";
+};
+
+my $prselector= sub {
+	my ($name)= @_;
+	foreach my $var (@vars) {
+		if ($var->{Name} eq $name) {
+			$prselector_core->($var);
+			return;
+		}
+	}
+	die $name;
+};
+
+foreach my $var (@vars) {
+	next if $var->{QuerySpecific};
+	$prselector_core->($var);
 }
 
 #---------- initial checks, startup, main entry form ----------
@@ -179,6 +204,7 @@ $debug => 0
 
 <& "query_$styles{Query}", %baseqf, %queryqf, %styles,
     quri => $quri, dbh => $dbh,
+    prselector => $prselector,
     someresults => $someresults,
     emsgokorprint => sub {
 	my ($emsg) = @_;