Mercurial > rlmcintyre

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

     2 

     3 # this is an example script of how you would use coderefs to define

     4 # your CGI::Ajax functions, and the methods return multiple results to

     5 # the page

     6 #

     7 # NB The CGI::Ajax object must come AFTER the coderefs are declared.

     8 

     9 use strict;

    10 use CGI::Ajax;

    11 use CGI;

    12 

    13 my $q = new CGI;

    14 

    15 my $multiply = sub {

    16   my $a = shift;

    17   my $b = shift;

    18   return $a * $b;

    19 };

    20 

    21 my $divide = sub {

    22   my $a = shift;

    23   my $b = shift;

    24   return $a / $b;

    25 };

    26 my $G = 'asdf';

    27 my $Show_Form = sub {

    28   my $html = "";

    29   $html .= qq!

    30 <HTML>

    31 <HEAD><title>CGI::Ajax Multiple Return Value Example</title>

    32 <script>

    33   my_call = function(){

    34    document.getElementById('out1').value = arguments[0];

    35    call_2();

    36    document.getElementById('out3').innerHTML = this.url;

    37   }

    38   call_2 =function(){

    39    multiply(['val1','val2'],['out2'],'POST');

    40   }

    41 

    42 </script>

    43 </HEAD>

    44 <BODY>

    45 <form>

    46   Enter Number:

    47 <input type="text" id="val1" size="6" value=2 

    48     onkeyup="divide(['val1','val2','args__$G'], [my_call], 'POST');">

    49 <input type='text' id='val2' size=6 value=34>

    50 

    51 <input type=text id="out1">

    52 <input type=text id="out2"><br/>

    53 URL FROM "this" in callback:<div id="out3"> </div>

    54 

    55 

    56 </form>

    57 </BODY>

    58 </HTML>

    59 !;

    60 

    61   return $html;

    62 };

    63 

    64 

    65 my $pjx = CGI::Ajax->new( 'multiply' => $multiply, 'divide' => $divide);

    66 $pjx->JSDEBUG(1);

    67 $pjx->DEBUG(1);

    68 print $pjx->build_html($q,$Show_Form); # this outputs the html for the page
author	Robert McIntyre <rlm@mit.edu>
date	Mon, 27 Sep 2010 16:57:26 -0400
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