--- trunk/vhost/webpac2.cgi	2009/04/21 23:17:21	1135
+++ trunk/vhost/webpac2.cgi	2009/04/22 14:27:25	1141
@@ -8,15 +8,71 @@
 use File::Slurp;
 use YAML;
 use Search::Estraier;
+use Data::Page;
+use Data::Dump qw/dump/;
+
+my $range_around = 5;
+my $entries_per_page = 30;
+my $debug = param('debug');
 
 print header;
 
 sub dump_yaml {
 	my $name = shift;
-	print qq|<pre># $name\n|, YAML::Dump( @_ ), qq|</pre>|;
+	print qq|<pre># $name\n|, YAML::Dump( @_ ), qq|</pre>| if $debug;
 }
 
-my $path = $ENV{PATH_INFO};
+sub show_pager {
+	my ($pager) = @_;
+
+	my @show_pages;
+	my $after_current = 0;
+
+	if ( $pager->current_page <= $range_around + 2 ) {
+		@show_pages = ( $pager->first_page .. $pager->current_page );
+		$after_current = $range_around - $pager->current_page;
+	} else {
+		@show_pages = ( $pager->first_page, '', $pager->current_page - $range_around .. $pager->current_page );
+	}
+
+	if ( $pager->current_page + $after_current + $range_around + 1 >= $pager->last_page ) {
+		push @show_pages, ( $pager->current_page + 1 .. $pager->last_page );
+	} else {
+		push @show_pages, ( $pager->current_page + 1 .. $pager->current_page + $after_current + $range_around, '', $pager->last_page );
+	}
+
+#	dump_yaml( 'show_pages', \@show_pages );
+
+	return '' unless $#show_pages;
+
+	my ( $prev, $next ) = ( '&lt;&lt;', '&gt;&gt;' );
+
+	sub li_a_href {
+		my ( $page, $label, $attr ) = @_;
+		param( 'current_page', $page );
+		my $url = self_url( -query => 1 );
+		$attr ||= '';
+		$label ||= $page;
+		qq|<li$attr><a href="$url" title="$page">$label</a></li>|;
+	}
+
+	return
+		  $pager->previous_page ? li_a_href( $pager->previous_page, $prev ) : qq|<li class=skip>$prev</li>|
+		, ( map {
+			if ( $_ == $pager->current_page ) {
+				qq|<li class=current_page>$_</li>|;
+			} elsif ( $_ eq '' ) {
+				qq|<li class=skip>...</li>|;
+			} else {
+				li_a_href( $_ );
+			}
+		} @show_pages )
+		, $pager->next_page ? li_a_href( $pager->next_page, $next ) : qq|<li class=skip>$next</li>|
+		;
+		
+}
+
+my $path = $ENV{PATH_INFO} || 'ecas';
 my $dir = $0;
 $dir =~ s{/[^/]+.cgi}{};
 
@@ -25,6 +81,15 @@
 my $database = (keys %{ $config->{databases} })[0];
 die "$database not in $path" unless $path =~ m{\Q$database\E};
 
+my $html_markup = "$dir/$path/html.pm";
+my $html_markup_skip;
+if ( -e $html_markup ) {
+	require $html_markup;
+	$html_markup = $database . '::html';
+} else {
+	undef $html_markup;
+}
+
 my $estraier = YAML::LoadFile( "$dir/../var/estraier/$database.yaml" );
 
 my $db = $config->{databases}->{$database};
@@ -38,14 +103,16 @@
 	),
 	h1( $db->{name} ),
 	qq|<div id=description>|, $db->{description}, qq|</div>|,
-	start_form,
+	start_form( -action => self_url( query => 0 ) ),
 		radio_group(
 			-name => 'attr',
 			-values => [ @attr ],
 #			-linebreak => 0,
 		),
 		textfield( -name => 'search' ),
-		submit
+		submit,
+		textfield( -name => 'entries_per_page', -default => $entries_per_page ),
+		textfield( -name => 'current_page', -default => 1 ),
 ;
 
 print	end_form;
@@ -59,32 +126,69 @@
 		croak_on_error => 1,
 	);
 
+	param( 'entries_per_page', $entries_per_page ) unless param('entries_per_page'); # FIXME not needed?
+	my $pager = Data::Page->new;
+	$pager->total_entries( param('current_page') * param('entries_per_page') );
+	$pager->$_( param($_) ) foreach ( qw/entries_per_page current_page/ );
+
+	dump_yaml( 'pager', $pager );
+
 	my $cond = Search::Estraier::Condition->new;
 	$cond->set_phrase( $search );
+	$cond->set_skip( $pager->skipped );
+	$cond->set_max(  $pager->entries_per_page );
 	my $nres = $node->search( $cond, 0 );
+	$pager->total_entries( $nres->hits );
+
+
+	dump_yaml( 'cond', $cond );
 
 	if ( ! $nres ) {
 		my $no_results = "No results for search '%s'";
-		printf qq|<div class="error">$no_results</div>|, $search;
+		printf qq|<div class="error">$no_results</div>\n\n|, $search;
 	} else {
-		my $results = "Got %d results for search '%s'";
-		printf qq|<div class="message">$results</div>|, $nres->hits, $search;
 
-		print qq|<ol>|;
+		my $results = "%d results for search '%s' showing results %d - %d on page %d";
+		printf qq|<div class="message">$results</div>\n\n|, $nres->hits, $search, $pager->first, $pager->last, $pager->current_page;
+
+		dump_yaml( 'pager html', show_pager( $pager ));
+
+		my $pager_html = join("\n", show_pager( $pager ));
+
+		print qq|<ul class="pager">$pager_html</ul>\n\n| if $pager_html;
+
+		my $start = $pager->first;
+		print qq|<ol start=$start>\n|;
 
 		foreach my $i ( 1 .. $nres->doc_num ) {
 			my $rdoc = $nres->get_doc( $i - 1 );
 			print qq|<li>|;
-			print qq|<div><label>$_</label><span class=$_>|, $rdoc->attr( $_ ), qq|</span></div>|
-				foreach @attr;
+			foreach my $attr ( @attr ) {
+				my $v = $rdoc->attr( $attr );
+				if ( defined $v && $html_markup && ! $html_markup_skip->{$attr} ) {
+					eval "\$v = $html_markup->$attr( \$v );";
+					if ( $@ ) {
+						warn "disable html markup for $attr: $@";
+						$html_markup_skip->{$attr} = $@;
+					}
+				}
+				next unless defined $v;
+				print qq|<div><label>$attr</label><span class=$attr>$v</span></div>\n|;
+			}
 			print qq|</li>\n|;
 		}
-		print qq|</ol>|;
+		print qq|</ol>\n\n|;
+
+		print qq|<ul class="pager bottom">$pager_html</ul>\n\n| if $pager_html;
 	}
 	print qq|</div>|;
+
+	dump_yaml( 'pager', $pager );
+
 }
 
 dump_yaml( 'estraier', $estraier );
 dump_yaml( 'db', $db );
+dump_yaml( 'html_markup_skip', $html_markup_skip );
 
 print	end_html;