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Examples of use of the Forms Generation and Validation class


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Forms class > Form Examples > Linked select inputs > Source code

<?php
/*
 * test_linked_select.php
 *
 * @(#) $Header: /home/mlemos/cvsroot/forms/test_linked_select.php,v 1.7 2006/12/20 06:21:16 mlemos Exp $
 *
 */

    
require("forms.php");
    require(
"form_linked_select.php");

    
$continents=array(
        
""=>"Select continent",
        
"na"=>"North America",
        
"eu"=>"Europe",
        
"sa"=>"South America",
        
"as"=>"Asia",
        
"oc"=>"Oceania"
    
);
    
$countries=array(
        
""=>array(
            
""=>"Select country",
        ),
        
"na"=>array(
            
""=>"Select country",
            
"us"=>"United States",
            
"ca"=>"Canada"
        
),
        
"eu"=>array(
            
""=>"Select country",
            
"pt"=>"Portugal",
            
"de"=>"Germany"
        
),
        
"sa"=>array(
            
""=>"Select country",
            
"br"=>"Brazil",
            
"ar"=>"Argentina"
        
),
        
"as"=>array(
            
""=>"Select country",
            
"jp"=>"Japan",
            
"kr"=>"Korea"
        
),
        
"oc"=>array(
            
""=>"Select country",
            
"au"=>"Australia",
            
"nz"=>"New Zeland"
        
)
    );
    
$locations=array(
        
""=>array(
            
""=>"Select location"
        
),
        
"us"=>array(
            
""=>"Select location",
            
"ny"=>"New York",
            
"la"=>"Los Angeles",
        ),
        
"ca"=>array(
            
""=>"Select location",
            
"to"=>"Toronto",
            
"mo"=>"Montréal",
        ),
        
"pt"=>array(
            
""=>"Select location",
            
"li"=>"Lisbon",
            
"av"=>"Aveiro",
        ),
        
"de"=>array(
            
""=>"Select location",
            
"fr"=>"Frankfurt",
            
"be"=>"Berlin",
        ),
        
"br"=>array(
            
""=>"Select location",
            
"sa"=>"São Paulo",
            
"ri"=>"Rio de Janeiro",
        ),
        
"ar"=>array(
            
""=>"Select location",
            
"bu"=>"Buenos Aires",
            
"ma"=>"Mar del Plata",
        ),
        
"jp"=>array(
            
""=>"Select location",
            
"to"=>"Tokio",
            
"os"=>"Osaka",
        ),
        
"kr"=>array(
            
""=>"Select location",
            
"se"=>"Seoul",
            
"yo"=>"Yosu",
        ),
        
"au"=>array(
            
""=>"Select location",
            
"sy"=>"Sydney",
            
"me"=>"Melbourne",
        ),
        
"nz"=>array(
            
""=>"Select location",
            
"we"=>"Wellington",
            
"au"=>"Auckland",
        )
    );
    
$form=new form_class;
    
$form->NAME="location_form";
    
$form->METHOD="POST";
    
$form->ACTION="";
    
$form->debug="error_log";
    
$form->AddInput(array(
        
"TYPE"=>"select",
        
"ID"=>"continent",
        
"NAME"=>"continent",
        
"LABEL"=>"<u>C</u>ontinent",
        
"ACCESSKEY"=>"C",
        
"VALUE"=>"",
        
"OPTIONS"=>$continents,
        
"ValidateAsNotEmpty"=>1,
        
"ValidationErrorMessage"=>"It was not specified a valid continent."
    
));
    
$form->AddInput(array(
        
"TYPE"=>"custom",
        
"ID"=>"country",
        
"NAME"=>"country",
        
"LABEL"=>"Coun<u>t</u>ry",
        
"ACCESSKEY"=>"t",
        
"CustomClass"=>"form_linked_select_class",
        
"VALUE"=>"",
        
"Groups"=>$countries,
        
"LinkedInput"=>"continent",
        
"AutoWidthLimit"=>0,
        
"AutoHeightLimit"=>0,
        
"ValidateAsNotEmpty"=>1,
        
"ValidationErrorMessage"=>"It was not specified a valid country."
    
));
    
$form->AddInput(array(
        
"TYPE"=>"custom",
        
"ID"=>"location",
        
"NAME"=>"location",
        
"LABEL"=>"<u>L</u>ocation",
        
"ACCESSKEY"=>"L",
        
"CustomClass"=>"form_linked_select_class",
        
"VALUE"=>"",
        
"Groups"=>$locations,
        
"LinkedInput"=>"country",
        
"AutoWidthLimit"=>0,
        
"AutoHeightLimit"=>0,
        
"ValidateAsNotEmpty"=>1,
        
"ValidationErrorMessage"=>"It was not specified a valid location."
    
));
    
$form->AddInput(array(
        
"TYPE"=>"submit",
        
"VALUE"=>">",
        
"NAME"=>"update",
        
"SubForm"=>"update"
    
));
    
$form->AddInput(array(
        
"TYPE"=>"submit",
        
"VALUE"=>"Go",
        
"NAME"=>"doit"
    
));
    
$form->Connect("location""doit""ONCHANGE""Click", array());

    
/*
     * This code is necessary to handle the requests for serving the
     * dynamically generated lists of options for linked select inputs.
     */
    
$form->HandleEvent($processed);
    if(
$processed)
        exit;


    
$form->LoadInputValues($form->WasSubmitted("doit"));
    
$verify=array();
    if(
$form->WasSubmitted("doit"))
    {
        if((
$error_message=$form->Validate($verify))=="")
            
$doit=1;
        else
        {
            
$doit=0;
            
$error_message=HtmlEntities($error_message);
        }
    }
    else
    {
        
$error_message="";
        
$doit=0;
    }

    if(!
$doit)
    {
        if(
strlen($error_message))
        {
            
Reset($verify);
            
$focus=Key($verify);
        }
        else
            
$focus='continent';
        
$form->ConnectFormToInput($focus'ONLOAD''Focus', array());
    }

    
$onload HtmlSpecialChars($form->PageLoad());

?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Test for Manuel Lemos' PHP form class
using the linked select plug-in input</title>
</head>
<body onload="<?php echo $onload?>" bgcolor="#cccccc">
<center><h1>Test for Manuel Lemos' PHP form class
using the linked select plug-in input</h1></center>
<hr />
<?php
  
if($doit)
    {
        
$continent=$form->GetInputValue("continent");
        
$country=$form->GetInputValue("country");
        
$location=$form->GetInputValue("location");
?>
<center><h2>The chosen location is <?php
        
echo HtmlEntities($locations[$country][$location]),
            
" (",HtmlEntities($countries[$continent][$country]),
            
", ",HtmlEntities($continents[$continent]),")"?></h2></center>
<?php
    
}
    else
    {
        
$form->StartLayoutCapture();
        
$title="Linked select plug-in test";
        
$body_template="form_linked_select_body.html.php";
        include(
"templates/form_frame.html.php");
        
$form->EndLayoutCapture();

        
$form->DisplayOutput();
    }
?>
<hr />
</body>
</html>

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