% );
%
% http_header('Content-Type' => 'image/png' );
+% http_header('Cache-Control' => 'no-cache' );
%
% $chart->_set_colors();
%
<% $chart->scalar_png([ $opt{'axis_labels'}, @data ]) %>
%
% } else {
+% # image and download links should use the cached data
+% # just directly reference this component
+% my $myself = $p.'graph/elements/report.html?session='.$session;
%
<% include('/elements/header.html', $opt{'title'} ) %>
% unless ( $opt{'graph_type'} eq 'none' ) {
-% $cgi->param('_type', 'png');
-<IMG SRC="<% $cgi->self_url %>" WIDTH="976" HEIGHT="384">
+<IMG SRC="<% "$myself;_type=png" %>" WIDTH="976" HEIGHT="384">
% }
<P ALIGN="right">
% unless ( $opt{'disable_download'} ) {
-% $cgi->param('_type', "xls" );
Download full results<BR>
- as <A HREF="<% $cgi->self_url %>">Excel spreadsheet</A><BR>
-% $cgi->param('_type', 'csv');
- as <A HREF="<% $cgi->self_url %>">CSV file</A></P>
-% $cgi->param('_type', "html" );
+ as <A HREF="<% "$myself;_type=xls" %>">Excel spreadsheet</A><BR>
+ as <A HREF="<% "$myself;_type=csv" %>">CSV file</A></P>
% }
%
</P>
<%init>
my(%opt) = @_;
+my $session;
+# load from cache if possible, to avoid recalculating
+if ( $cgi->param('session') =~ /^(\d+)$/ ) {
+ $session = $1;
+ %opt = %{ $m->cache->get($session) };
+}
+else {
+ $session = sprintf("%10d%6d", time, int(rand(1000000)));
+ $m->cache->set($session, \%opt, '1h');
+}
my $sprintf = $opt{'sprintf'} || '%.2f';