From 6d3a490c044c6446cc8a027971af61b2f57f2cf0 Mon Sep 17 00:00:00 2001 From: Joe Atzberger Date: Thu, 29 May 2008 08:59:24 -0500 Subject: [PATCH] is_ajax function added. pagination_bar now intelligent: it has Signed-off-by: Joshua Ferraro --- C4/Output.pm | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/C4/Output.pm b/C4/Output.pm index 3b6aba5814..5af9ef1882 100644 --- a/C4/Output.pm +++ b/C4/Output.pm @@ -38,10 +38,10 @@ BEGIN { $VERSION = 3.02; require Exporter; @ISA = qw(Exporter); - @EXPORT_OK = qw(&output_ajax_with_http_headers); # More stuff should go here instead + @EXPORT_OK = qw(&output_ajax_with_http_headers &is_ajax); # More stuff should go here instead %EXPORT_TAGS = ( all =>[qw(&themelanguage &gettemplate setlanguagecookie pagination_bar &output_ajax_with_http_headers &output_html_with_http_headers)], - ajax =>[qw(&output_ajax_with_http_headers)], + ajax =>[qw(&output_ajax_with_http_headers is_ajax)], html =>[qw(&output_html_with_http_headers)] ); push @EXPORT, qw( @@ -214,21 +214,28 @@ This function returns HTML, without any language dependency. =cut sub pagination_bar { - my ( $base_url, $nb_pages, $current_page, $startfrom_name ) = @_; + my $base_url = (@_ ? shift : $ENV{SCRIPT_NAME} . $ENV{QUERY_STRING}) or return undef; + my $nb_pages = (@_) ? shift : 1; + my $current_page = (@_) ? shift : undef; # delay default until later + my $startfrom_name = (@_) ? shift : 'page'; # how many pages to show before and after the current page? my $pages_around = 2; - my $url = - $base_url . ( $base_url =~ m/[?&]/ ? '&' : '?' ) . $startfrom_name . '='; + my $delim = qr/\&(?:amp;)?|;/; # "non memory" cluster: no backreference + $base_url =~ s/$delim*\b$startfrom_name=(\d+)//g; # remove previous pagination var + unless (defined $current_page and $current_page > 0 and $current_page <= $nb_pages) { + $current_page = ($1) ? $1 : 1; # pull current page from param in URL, else default to 1 + # $debug and # FIXME: use C4::Debug; + # warn "with QUERY_STRING:" .$ENV{QUERY_STRING}. "\ncurrent_page:$current_page\n1:$1 2:$2 3:$3"; + } + $base_url =~ s/($delim)+/$1/g; # compress duplicate delims + $base_url =~ s/$delim;//g; # remove empties + $base_url =~ s/$delim$//; # remove trailing delim + my $url = $base_url . ( $base_url =~ m/$delim/ ? '&' : '?' ) . $startfrom_name . '='; my $pagination_bar = ''; - # current page detection - if ( not defined $current_page ) { - $current_page = 1; - } - # navigation bar useful only if more than one page to display ! if ( $nb_pages > 1 ) { @@ -365,6 +372,11 @@ sub output_ajax_with_http_headers ($$) { ), $js; } +sub is_ajax () { + my $x_req = $ENV{HTTP_X_REQUESTED_WITH}; + return ($x_req and $x_req =~ /XMLHttpRequest/i) ? 1 : 0; +} + END { } # module clean-up code here (global destructor) 1; -- 2.39.2