Mercurial > rlmcintyre

     1 #!C:/strawberry/perl/bin/perl.exe

     2 

     3 # this is an example of using subs (not coderefs) for your perljax

     4 # functions

     5 #

     6 # NB The CGI::Ajax object DOES NOT need to follow the function

     7 # declarations, as it does in the coderef example

     8 

     9 use strict;

    10 use CGI::Ajax;

    11 use CGI;

    12 

    13 my $q = new CGI;

    14 my $pjx = CGI::Ajax->new( 'myfunc' => \&exported_fx);

    15 print $pjx->build_html($q,\&Show_Form); # this outputs the html for the page

    16 

    17 sub exported_fx {

    18   my $value_a = shift;

    19   my $value_b = shift;

    20   $value_a = "" if not defined $value_a; # make sure there's def

    21   $value_b = "" if not defined $value_b; # make sure there's def

    22 

    23   if ( $value_a =~ /\D+/ or $value_a eq "" ) {

    24     return( $value_a . " and " . $value_b );

    25   } elsif ( $value_b =~ /\D+/ or $value_b eq "" ) {

    26     return( $value_a . " and " . $value_b );

    27   } else {

    28     # got two numbers, so lets multiply them together

    29     return( $value_a * $value_b );

    30   }

    31 }

    32 

    33 sub Show_Form {

    34   my $html = "";

    35   $html .= <<EOT;

    36 <HTML>

    37 <HEAD><title>CGI::Ajax Example</title>

    38 </HEAD>

    39 <BODY>

    40 <form>

    41   Enter something:&nbsp;

    42   <input type="text" name="val1" id="val1" size="6" onkeyup="myfunc( ['val1','val2'], ['resultdiv'] );"><br>

    43 

    44   Enter something else:&nbsp;

    45   <input type="text" name="val2" id="val2" size="6" onkeyup="myfunc( ['val1','val2'], ['resultdiv'] );"><br>

    46 

    47     <hr>

    48     <div id="resultdiv" style="border: 1px solid black; width: 440px; height: 80px; overflow: auto">

    49     </div>

    50 </form>

    51 </BODY>

    52 </HTML>

    53 EOT

    54   return $html;

    55 }
author	Robert McIntyre <rlm@mit.edu>
date	Mon, 27 Sep 2010 16:57:26 -0400
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