annotate scripts/pjx_callback.pl @ 0:477258d09353 boosterpack

[svn r1] initial import
author robert
date Sun, 30 Aug 2009 02:19:26 -0400
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robert@0 1 #!C:/strawberry/perl/bin/perl.exe
robert@0 2
robert@0 3 # this is an example script of how you would use coderefs to define
robert@0 4 # your CGI::Ajax functions, and the methods return multiple results to
robert@0 5 # the page
robert@0 6 #
robert@0 7 # NB The CGI::Ajax object must come AFTER the coderefs are declared.
robert@0 8
robert@0 9 use strict;
robert@0 10 use CGI::Ajax;
robert@0 11 use CGI;
robert@0 12
robert@0 13 my $q = new CGI;
robert@0 14
robert@0 15 my $multiply = sub {
robert@0 16 my $a = shift;
robert@0 17 my $b = shift;
robert@0 18 return $a * $b;
robert@0 19 };
robert@0 20
robert@0 21 my $divide = sub {
robert@0 22 my $a = shift;
robert@0 23 my $b = shift;
robert@0 24 return $a / $b;
robert@0 25 };
robert@0 26 my $G = 'asdf';
robert@0 27 my $Show_Form = sub {
robert@0 28 my $html = "";
robert@0 29 $html .= qq!
robert@0 30 <HTML>
robert@0 31 <HEAD><title>CGI::Ajax Multiple Return Value Example</title>
robert@0 32 <script>
robert@0 33 my_call = function(){
robert@0 34 document.getElementById('out1').value = arguments[0];
robert@0 35 call_2();
robert@0 36 document.getElementById('out3').innerHTML = this.url;
robert@0 37 }
robert@0 38 call_2 =function(){
robert@0 39 multiply(['val1','val2'],['out2'],'POST');
robert@0 40 }
robert@0 41
robert@0 42 </script>
robert@0 43 </HEAD>
robert@0 44 <BODY>
robert@0 45 <form>
robert@0 46 Enter Number:
robert@0 47 <input type="text" id="val1" size="6" value=2
robert@0 48 onkeyup="divide(['val1','val2','args__$G'], [my_call], 'POST');">
robert@0 49 <input type='text' id='val2' size=6 value=34>
robert@0 50
robert@0 51 <input type=text id="out1">
robert@0 52 <input type=text id="out2"><br/>
robert@0 53 URL FROM "this" in callback:<div id="out3"> </div>
robert@0 54
robert@0 55
robert@0 56 </form>
robert@0 57 </BODY>
robert@0 58 </HTML>
robert@0 59 !;
robert@0 60
robert@0 61 return $html;
robert@0 62 };
robert@0 63
robert@0 64
robert@0 65 my $pjx = CGI::Ajax->new( 'multiply' => $multiply, 'divide' => $divide);
robert@0 66 $pjx->JSDEBUG(1);
robert@0 67 $pjx->DEBUG(1);
robert@0 68 print $pjx->build_html($q,$Show_Form); # this outputs the html for the page