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1 #!C:/strawberry/perl/bin/perl.exe
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2
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3 # this is an example script of how you would use coderefs to define
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4 # your CGI::Ajax functions, and the methods return multiple results to
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5 # the page
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6 #
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7 # NB The CGI::Ajax object must come AFTER the coderefs are declared.
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8
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9 use strict;
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10 use CGI::Ajax;
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11 use CGI;
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12
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13 my $q = new CGI;
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14
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15 my $exported_fx = sub {
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16 my $value_a = shift;
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17 my $value_b = shift;
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18 $value_a = "" if not defined $value_a; # make sure there's def
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19 $value_b = "" if not defined $value_b; # make sure there's def
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20
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21 if ( $value_a =~ /\D+/ or $value_a eq "" ) {
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22 return( $value_a, $value_b, 'NaN' );
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23 } elsif ( $value_b =~ /\D+/ or $value_b eq "" ) {
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24 return( $value_a, $value_b, 'NaN' );
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25 } else {
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26 # got two numbers, so lets multiply them together
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27 return( $value_a, $value_b, $value_a * $value_b );
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28 }
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29 };
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30
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31
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32 my $Show_Form = sub {
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33 my $html = "";
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34 $html .= <<EOT;
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35 <HTML>
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36 <HEAD><title>CGI::Ajax Multiple Return Value Example</title>
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37 </HEAD>
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38 <BODY>
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39 <form>
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40 Enter something:
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41 <input type="text" name="val1" id="val1" size="6" onkeyup="myfunc( ['val1','val2'], ['inputa','inputb','resultdiv'] ); return true;"><br>
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42
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43 Enter something else:
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44 <input type="text" name="val2" id="val2" size="6" onkeyup="myfunc( ['val1','val2'], ['inputa','inputb','resultdiv'] ); return true;"><br>
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45
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46 <hr>
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47 <table>
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48 <tr>
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49 <td>Input A</td>
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50 <td>Input B</td>
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51 <td>Result</td>
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52 </tr>
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53 <tr>
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54 <td>
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55 <div id="inputa" style="text-align: center; border: 1px solid black; width: 80px; height: 20px; overflow: auto"></div>
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56 </td>
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57 <td>
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58 <div id="inputb" style="text-align: center; border: 1px solid black; width: 80px; height: 20px; overflow: auto"></div>
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59 </td>
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60 <td>
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61 <div id="resultdiv" style="text-align: center; border: 1px solid black; width: 80px; height: 20px; overflow: auto"></div>
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62 </td>
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63 </tr>
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64 </table>
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65 </form>
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66 </BODY>
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67 </HTML>
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68 EOT
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69
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70 return $html;
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71 };
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72
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73 my $pjx = CGI::Ajax->new( 'myfunc' => $exported_fx);
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74 $pjx->JSDEBUG(1);
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75 print $pjx->build_html($q,$Show_Form); # this outputs the html for the page
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