@@ -12,29 +12,40 @@ Motivation At first I adopted the EJS library(www.embeddedjs.com) which was aimed at Ruby on Rails developers, but found myself constantly rewriting my HTML::Template files to fit the Rails template syntax. Changes in - the markup or presentation logic in one template had to be duplicated. + the markup or presentation logic in one template had to be duplicated + across our two templates. - Using PerlTemplates, we keep one copy of each template and it's also - great simplified AJAX handling in our perl scripts. We can take code + Using PerlTemplates, we only to keep one template. It has also + simplified the AJAX handling logic in our perl scripts. We can take code that looks like this: - my $template = HTML::Template->new('/path/to/template.tmpl'); + my $template = HTML::Template->new('/path/to/search/results.tmpl'); $template->param(%values); # where values contains the template data structure print CGI->header, $template->output(); Into this: - if($ajax_request) - { - print CGI->header, JSON->new->encode(%values); - } - else - { - my $template = HTML::Template->new('/path/to/template.tmpl'); - $template->param(%values); - print CGI->header, $template->output(); - } + if($ajax_request) + { + print CGI->header, JSON->new->encode(%values); + } + else + { + my $template = HTML::Template->new('/path/to/search/results.tmpl'); + $template->param(%values); + print CGI->header, $template->output(); + } + + And the JavaScript to support this (with jQuery) becomes: + + $.getJSON('/search/results', function(json_data) { + var tmpl = new PerlTemplates({url:'results.tmpl', data: json_data, target: 'search-results'}); + tmpl.render(); + } + + And now we have a both an AJAX and non-JavaScript version of our search results script. + Caveats README bf57c8a6b61b5ff4eeb930460efab1168656baef DavidMcLaughlin david@dmclaughlin.com http://github.com/DavidMcLaughlin/PerlTemplates/commit/490298ab95f11aad6169ecc893ff5d48f68c2e94 490298ab95f11aad6169ecc893ff5d48f68c2e94 2009-04-26T09:41:56-07:00 2009-04-26T09:41:56-07:00 upgraded README 86b2009bdc57f8b78d2cb260fa0f52ecc2c38c9b DavidMcLaughlin david@dmclaughlin.com