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<?php
/**
* Usage example for HTML_QuickForm2 package: builtin rules
*
* The example uses all Rule classes provided with HTML_QuickForm2 and also
* showcases rule chaining.
*/
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
/* Set up custom font and form width */
body {
margin-left: 10px;
font-family: Arial,sans-serif;
font-size: small;
}
.quickform {
min-width: 500px;
max-width: 600px;
width: 560px;
}
/* Use default styles included with the package */
<?php
if ('/opt/lampp/lib/php/data' != '@' . 'data_dir@') {
$filename = '/opt/lampp/lib/php/data/HTML_QuickForm2/quickform.css';
} else {
$filename = dirname(dirname(dirname(__FILE__))) . '/data/quickform.css';
}
readfile($filename);
?>
.quickform .valid input { background: #F0FFF0; }
.quickform .error input { background: #FFF0F0; }
</style>
<script type="text/javascript">
// <![CDATA[
var validatorBackup;
//in real application the password check will a bit be different, of course
function check_password(password)
{
return (password == 'qwerty');
}
function enableValidation(box)
{
if (box.checked) {
box.form.validator = validatorBackup;
} else {
validatorBackup = box.form.validator;
box.form.validator = null;
}
}
// ]]>
</script>
<title>HTML_QuickForm2 built-in rules example</title>
</head>
<body>
<?php
// in real application the password check will a bit be different, of course
function check_password($password)
{
return ($password == 'qwerty');
}
//
// Form setup
//
require_once 'HTML/QuickForm2.php';
require_once 'HTML/QuickForm2/Renderer.php';
$form = new HTML_QuickForm2('basicRules');
// for file upload to work
$form->setAttribute('enctype', 'multipart/form-data');
// data source with default values:
$form->addDataSource(new HTML_QuickForm2_DataSource_Array(array(
'testUsername' => 'luser',
'friends' => array('luser123', 'gangsta1998')
)));
// override whatever value was submitted
$form->addElement('hidden', 'MAX_FILE_SIZE')->setValue('102400');
//
// Simple fields validation, rule chaining
//
$fsAuth = $form->addElement('fieldset')->setLabel('Auth credentials');
$username = $fsAuth->addElement('text', 'testUsername', array('style' => 'width: 200px;'))
->setLabel('Username (letters only):');
$email = $fsAuth->addElement('text', 'testEmail', array('style' => 'width: 200px'))
->setLabel('Email:');
$fsPasswords = $fsAuth->addElement('fieldset')
->setLabel('Supply password only if you want to change it');
$oldPassword = $fsPasswords->addElement('password', 'oldPassword', array('style' => 'width: 200px;'))
->setLabel('Old password (<i>qwerty</i>):');
$newPassword = $fsPasswords->addElement('password', 'newPassword', array('style' => 'width: 200px;'))
->setLabel('New password (min 6 chars):');
$repPassword = $fsPasswords->addElement('password', 'newPasswordRepeat', array('style' => 'width: 200px;'))
->setLabel('Repeat new password:');
$username->addRule('required', 'Username is required', null,
HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER);
$username->addRule('regex', 'Username should contain only letters', '/^[a-zA-Z]+$/',
HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER);
$email->addRule('email', 'Email address is invalid', null,
HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER);
// old password should be either left blank or be equal to 'qwerty'
$oldPassword->addRule('empty', '', null, HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER)
->or_($oldPassword->createRule('callback', 'Wrong password', 'check_password'));
// this behaves exactly as it reads: either "password" and "password repeat"
// are both empty or they should be equal
$newPassword->addRule('empty', '', null, HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER)
->and_($repPassword->createRule('empty'))
->or_($repPassword->createRule('eq', 'The passwords do not match', $newPassword));
// Either new password is not given, or old password is required
$newPassword->addRule('empty', '', null, HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER)
->or_($oldPassword->createRule('nonempty', 'Supply old password if you want to change it'));
$newPassword->addRule('minlength', 'The password is too short', 6, HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER);
// No sense changing the password to the same value
$newPassword->addRule('nonempty', '', null, HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER)
->and_($newPassword->createRule('neq', 'New password is the same as the old one', $oldPassword));
//
// Grouped elements validation
//
$fsGrouped = $form->addElement('fieldset')->setLabel('Validating grouped elements');
$boxGroup = $fsGrouped->addElement('group', 'boxes')->setLabel('Check at least two:');
$boxGroup->addElement('checkbox', null, array('value' => 'red'))->setContent('<span style="color: #f00;">Red</span>');
$boxGroup->addElement('checkbox', null, array('value' => 'green'))->setContent('<span style="color: #0f0;">Green</span>');
$boxGroup->addElement('checkbox', null, array('value' => 'blue'))->setContent('<span style="color: #00f;">Blue</span>');
$boxGroup->addRule('required', 'Check at least two boxes', 2,
HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER);
$friends = $fsGrouped->addElement('group', 'friends')->setLabel('Friends usernames (letters only):')
->setSeparator('<br />');
$friends->addElement('text', '0', array('style' => 'width: 200px;', 'id' => 'friend-1'));
$friends->addElement('text', '1', array('style' => 'width: 200px;', 'id' => 'friend-2'));
$friends->addElement('text', '2', array('style' => 'width: 200px;', 'id' => 'friend-3'));
$friends->addRule('each', 'Friends\' usernames should contain only letters',
$friends->createRule('regex', '', '/^[a-zA-Z]+$/'),
HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER);
//
// File uploads validation
//
$fsUpload = $form->addElement('fieldset')->setLabel('Upload picture (try one > 100 kB for fun)');
$upload = $fsUpload->addElement('file', 'testUpload', array('style' => 'width: 200px'))
->setLabel('Picture (gif, jpg, png, <=20kB):');
// no longer using special 'uploadedfile' rule for uploads, allow client-side validation
$upload->addRule('required', 'Please upload picture', null,
HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER);
// no longer using 'filename' rule for uploads, allow client-side validation
$upload->addRule('regex', 'Allowed extensions: .gif, .jp(e)g, .png', '/\\.(gif|jpe?g|png)$/i',
HTML_QuickForm2_Rule::ONBLUR_CLIENT_SERVER);
// these don't work client-side, for obvious reasons
$upload->addRule('mimetype', 'Your browser doesn\'t think that\'s an image',
array('image/gif', 'image/png', 'image/jpeg', 'image/pjpeg'));
$upload->addRule('maxfilesize', 'File is too big, allowed size 20kB', 20480);
$submitGrp = $form->addElement('group')->setSeparator(' ');
$submitGrp->addElement('submit', 'testSubmit', array('value' => 'Send'));
$submitGrp->addElement('checkbox', 'clientSide', array('onclick' => 'enableValidation(this);'))
->setContent('perform client-side validation')
->setAttribute('checked'); // override submit value
if ($form->validate()) {
echo "<pre>\n";
var_dump($form->getValue());
echo "</pre>\n<hr />";
$form->toggleFrozen(true);
}
$renderer = HTML_QuickForm2_Renderer::factory('default');
$form->render($renderer);
// Output javascript libraries, needed for client-side validation
echo $renderer->getJavascriptBuilder()->getLibraries(true, true);
echo $renderer;
?>
</body>
</html>
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