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Printable version
<?php
/*
* test_ajax_form.php
*
* @(#) $Header: /home/mlemos/cvsroot/forms/test_ajax_form.php,v 1.7 2007/02/19 23:44:20 mlemos Exp $
*
*/
/*
* Include form class code.
*/
require("forms.php");
require("form_ajax_submit.php");
/*
* Create a form object.
*/
$form=new form_class;
$form->NAME="subscription_form";
$form->METHOD="POST";
$form->ACTION="";
$form->debug="error_log";
$form->AddInput(array(
"TYPE"=>"text",
"NAME"=>"description",
"ID"=>"description",
"LABEL"=>"<u>D</u>escription",
"ACCESSKEY"=>"D",
"ValidateAsNotEmpty"=>1,
"ValidationErrorMessage"=>"It was not specified a valid description."
));
$form->AddInput(array(
"TYPE"=>"file",
"NAME"=>"file",
"ID"=>"file",
"LABEL"=>"<u>F</u>ile",
"ACCESSKEY"=>"F",
"ValidateAsNotEmpty"=>1,
"ValidationErrorMessage"=>"It was not specified a valid file."
));
$form->AddInput(array(
"TYPE"=>"submit",
"NAME"=>"doit",
"ID"=>"doit",
"VALUE"=>"Submit"
));
$form->AddInput(array(
"TYPE"=>"custom",
"NAME"=>"sender",
"ID"=>"sender",
"CustomClass"=>"form_ajax_submit_class",
"FeedbackElement"=>"feedback",
"SubmitFeedback"=>
'<img src="indicator.gif" width="16" height="16" /> Submitting form ...',
"TimeoutFeedback"=>'The communication with the server has timed out.',
"Timeout"=>60,
"ONTIMEOUT"=>"",
"DebugConsole"=>"debug_console"
));
/*
* Connect the doit submit button to the sender AJAX submit input
*/
$form->Connect("doit", "sender", "ONCLICK", "Submit", array());
/*
* Handle client side events on the server side.
* Do not output anything before these lines.
*/
$form->HandleEvent($processed);
if($processed)
exit;
/*
* Did the AJAX submit post any notification message to the application?
*/
if($form->GetNextMessage($message))
{
/*
* Process and reply to notification messages
*/
do
{
switch($message["Event"])
{
case "submit":
$message["Actions"]=array();
/*
* Client side form submission request
*/
$form->LoadInputValues();
$error_message=$form->Validate($verify);
/*
$form->GetFileValues("file", $values);
$form->SetInputProperty("sender", "Feedback", serialize($values));
sleep(3);
*/
/*
* Are there any form validation errors?
*/
if(strlen($error_message))
{
/*
* Tell the form submitter input to send to the browser
* an order to display validation error feedback message.
*/
$title = "Validation error";
$output = HtmlSpecialChars($error_message);
$active = 0;
$icon = '';
ob_start();
require('templates/message.html.php');
$content = ob_get_contents();
ob_end_clean();
$form->SetInputProperty("sender", "Feedback", $content);
}
else
{
/*
* The form was processed without errors.
* Lets execute the form processing actions
* and show some progress feedback.
*/
$active = 1;
$title = "Status";
$output = '<center>Operation in progress: '.
'<tt><span id="progress">0</span>%</tt></center>';
$icon = ' ';
ob_start();
require('templates/message.html.php');
$content = ob_get_contents();
ob_end_clean();
/*
* Send an action order to replace the form contents
* by a progress feedback window.
*/
$form->SetInputProperty("sender", "FeedbackElement",
"wholeform");
$form->SetInputProperty("sender", "Feedback", $content);
$form->SetInputProperty("sender", "FeedbackElement",
"progress");
for($progress = 1 ; $progress<=100; $progress++)
{
/*
* Pretend to execute an operation that takes time to complete.
* Here you would actually execute a a step of your
* lengthy processing action.
*/
usleep(50000);
/*
* Update the progress display.
*/
$form->SetInputProperty("sender", "Feedback",
sprintf("%0d",$progress));
}
/*
* A little delay before the final message.
*/
sleep(1);
$output = '<center><b>Operation completed!</b><br />'.
'Going to redirect to the initial page in a few moments'.
'...</center>';
ob_start();
require('templates/message.html.php');
$content = ob_get_contents();
ob_end_clean();
/*
* Display the final message and wait a few more seconds
*/
$form->SetInputProperty("sender", "FeedbackElement", "wholeform");
$form->SetInputProperty("sender", "Feedback", $content);
sleep(3);
/*
* Redirect to the form start script page
*/
$redirect="/test_ajax_form.php";
/*
* This is just for testing purposes
*/
if(defined('AJAX_REDIRECT_URI'))
$redirect=AJAX_REDIRECT_URI;
$message["Actions"][]=array(
"Action"=>"Redirect",
"URL"=>"http://".GetEnv("HTTP_HOST").
dirname(GetEnv("REQUEST_URI")).$redirect
);
}
break;
}
/*
* Reply to the form submit event to tell which actions the
* AJAX submit input should execute on the browser side.
*/
if(strlen($form->ReplyMessage($message, $processed)))
exit;
}
/*
* Loop until there are no more event messages
* or the processing was finished
*/
while(!$processed
&& $form->GetNextMessage($message));
if($processed)
exit;
}
/*
* Normal non-AJAX form processing
*/
/*
* Load form input values eventually from the submitted form.
*/
$form->LoadInputValues($form->WasSubmitted("doit"));
$verify=array();
if($form->WasSubmitted("doit"))
{
if(($error_message=$form->Validate($verify))=="")
{
/*
* Process the form if it was submitted without validation errors.
*/
$doit=1;
}
else
{
$doit=0;
$error_message=HtmlEntities($error_message);
}
}
else
{
$error_message="";
$doit=0;
}
if($doit)
{
$form->ReadOnly=1;
}
$form->StartLayoutCapture();
$title="Form class AJAX submit test";
$body_template="form_ajax_body.html.php";
require("templates/form_frame.html.php");
$form->EndLayoutCapture();
$form->AddInputPart('sender');
if(!$doit)
{
if(strlen($error_message))
{
Reset($verify);
$focus=Key($verify);
}
else
$focus='description';
$form->ConnectFormToInput($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 AJAX form submit plug-in</title>
</head>
<body onload="<?php echo $onload; ?>" bgcolor="#cccccc">
<center><h1>Test for Manuel Lemos' PHP form class
using the AJAX form submit plug-in</h1></center>
<hr />
<?php
$form->DisplayOutput();
?>
<div id="debug_console"></div>
<hr />
</body>
</html>
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