in reply to CGI::Ajax + Template::Toolkit Question

It may be that CGI::Ajax expects build_html to return the html (or updated html) for the page. However, by default, $tt->process($template, $vars) will print the processed output to STDOUT. Try something like the following: 
  sub main_page {
    my $output = '';
    $tt->process($template, $vars, \$output)
       || die $tt->error(), "\n";
    return $output;
  }

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which will stuff the processed template into $output.

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Re^2: CGI::Ajax + Template::Toolkit Question
by stonecolddevin (Parson) on Mar 07, 2007 at 07:21 UTC

    Using randyk's solution, i get the following error (from CGI::Ajax):

    Problems

    with the html-generating function sent to CGI::Ajax object

    Current code:

    sub main_page {
  
  my $output = '';
  my $template = 'main.tt';
  $tt->process($template, $config, \$output)
       || die $tt->error();
  return $output;
 
}

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    Template code:

    (header.tt)

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http:/
+/www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<title>[% title %]</title>
</head>

<body>

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    (main.tt)

    <body>

<p>Please log in.</p>
<p>Username: <input type="text" name="username" id="username" /></p>
<p>Password: <input type="password" name="passwd" id="passwd" /></p>
<p><input type="submit" name="login" value="login" onClick="login(['us
+ername'], ['passwd'], ['authenticated']);"/></p>
</body>

</html>

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    I'm not sure what this error means coming from CGI::Ajax. It's a little unspecific, and I don't see anything in the docs regarding it.

    meh.
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      Rather than passing the configuration variables in $config to process, as chargrill noted, you can specify these when creating the $tt object: 
      my $config = {
      INCLUDE_PATH => '/tt', 
      INTERPOLATE  => 1, 
      POST_CHOMP   => 1, 
      PRE_PROCESS  => 'header',
      EVAL_PERL    => 1,
};
my $tt = Template->new($config);

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      and then specify the variables you want processed in your template in process: 
      sub main_page {
  
  my $output = '';
  my $template = 'main.tt';
  my $vars = { title =>'AJAX Login'};
  $tt->process($template, $vars, \$output)
       || die $tt->error();
  return $output;
}

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        UPDATE:Would still like to know if this would be a usable solution, however problem has been solved.

        Ahhh whoops, don't know how I missed that.

        I was turning this over in my head, the show_javascript function returns the javascript as text...would it be better to have a template variable in the <HEAD> section of my template and insert it via T::T? Perhaps that would rid me of the error being thrown by CGI::Ajax.

        Thoughts?

        meh.
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