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<?php
/**
* DHTML replacement for the standard JavaScript alert window for client-side
* validation
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.01 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_01.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category HTML
* @package HTML_QuickForm_DHTMLRulesTableless
* @author Alexey Borzov <borz_off@cs.msu.su>
* @author Adam Daniel <adaniel1@eesus.jnj.com>
* @author Bertrand Mansion <bmansion@mamasam.com>
* @author Justin Patrin <papercrane@gmail.com>
* @author Mark Wiesemann <wiesemann@php.net>
* @copyright 2005-2006 The PHP Group
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version CVS: $Id$
* @link http://pear.php.net/package/HTML_QuickForm_DHTMLRulesTableless
*/
require_once 'HTML/QuickForm.php';
/**
* This is a DHTML replacement for the standard JavaScript alert window for
* client-side validation of forms built with HTML_QuickForm
*
* @category HTML
* @package HTML_QuickForm_DHTMLRulesTableless
* @author Alexey Borzov <borz_off@cs.msu.su>
* @author Adam Daniel <adaniel1@eesus.jnj.com>
* @author Bertrand Mansion <bmansion@mamasam.com>
* @author Justin Patrin <papercrane@gmail.com>
* @author Mark Wiesemann <wiesemann@php.net>
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version Release: 0.1.3
* @link http://pear.php.net/package/HTML_QuickForm_DHTMLRulesTableless
*/
class HTML_QuickForm_DHTMLRulesTableless extends HTML_QuickForm {
// {{{ getValidationScript()
/**
* Returns the client side validation script
*
* The code here was copied from HTML_QuickForm and slightly modified to run rules per-element
*
* @access public
* @return string Javascript to perform validation, empty string if no 'client' rules were added
*/
function getValidationScript()
{
if (empty($this->_rules) || empty($this->_attributes['onsubmit'])) {
return '';
}
include_once('HTML/QuickForm/RuleRegistry.php');
$registry =& HTML_QuickForm_RuleRegistry::singleton();
$test = array();
$js_escape = array(
"\r" => '\r',
"\n" => '\n',
"\t" => '\t',
"'" => "\\'",
'"' => '\"',
'\\' => '\\\\'
);
foreach ($this->_rules as $elementName => $rules) {
foreach ($rules as $rule) {
if ('client' == $rule['validation']) {
unset($element);
$dependent = isset($rule['dependent']) && is_array($rule['dependent']);
$rule['message'] = strtr($rule['message'], $js_escape);
if (isset($rule['group'])) {
$group =& $this->getElement($rule['group']);
// No JavaScript validation for frozen elements
if ($group->isFrozen()) {
continue 2;
}
$elements =& $group->getElements();
foreach (array_keys($elements) as $key) {
if ($elementName == $group->getElementName($key)) {
$element =& $elements[$key];
break;
}
}
} elseif ($dependent) {
$element = array();
$element[] =& $this->getElement($elementName);
foreach ($rule['dependent'] as $idx => $elName) {
$element[] =& $this->getElement($elName);
}
} else {
$element =& $this->getElement($elementName);
}
// No JavaScript validation for frozen elements
if (is_object($element) && $element->isFrozen()) {
continue 2;
} elseif (is_array($element)) {
foreach (array_keys($element) as $key) {
if ($element[$key]->isFrozen()) {
continue 3;
}
}
}
$test[$elementName][] = $registry->getValidationScript($element, $elementName, $rule);
}
}
}
$js = '
<script type="text/javascript">
//<![CDATA[
function qf_errorHandler(element, _qfMsg) {
div = element.parentNode;
if (_qfMsg != \'\') {
span = document.createElement("span");
span.className = "error";
span.appendChild(document.createTextNode(_qfMsg.substring(3)));
br = document.createElement("br");
var errorDiv = document.getElementById(element.name + \'_errorDiv\');
if (!errorDiv) {
errorDiv = document.createElement("div");
errorDiv.id = element.name + \'_errorDiv\';
}
while (errorDiv.firstChild) {
errorDiv.removeChild(errorDiv.firstChild);
}
errorDiv.insertBefore(br, errorDiv.firstChild);
errorDiv.insertBefore(span, errorDiv.firstChild);
element.parentNode.insertBefore(errorDiv, element.parentNode.firstChild);
if (div.className.substr(div.className.length - 6, 6) != " error"
&& div.className != "error") {
div.className += " error";
}
return false;
} else {
var errorDiv = document.getElementById(element.name + \'_errorDiv\');
if (errorDiv) {
errorDiv.parentNode.removeChild(errorDiv);
}
if (div.className.substr(div.className.length - 6, 6) == " error") {
div.className = div.className.substr(0, div.className.length - 6);
} else if (div.className == "error") {
div.className = "";
}
return true;
}
}';
$validateJS = '';
foreach ($test as $elementName => $jsArr) {
$js .= '
function validate_' . $this->_attributes['id'] . '_' . $elementName . '(element) {
var value = \'\';
var errFlag = new Array();
var _qfGroups = {};
var _qfMsg = \'\';
var frm = element.parentNode;
while (frm && frm.nodeName != "FORM") {
frm = frm.parentNode;
}
' . join("\n", $jsArr) . '
return qf_errorHandler(element, _qfMsg);
}
';
$validateJS .= '
ret = validate_' . $this->_attributes['id'] . '_' . $elementName.'(frm.elements[\''.$elementName.'\']) && ret;';
unset($element);
$element =& $this->getElement($elementName);
$valFunc = 'validate_' . $this->_attributes['id'] . '_' . $elementName . '(this)';
$onBlur = $element->getAttribute('onBlur');
$onChange = $element->getAttribute('onChange');
$element->updateAttributes(array('onBlur' => $onBlur . $valFunc,
'onChange' => $onChange . $valFunc));
}
$js .= '
function validate_' . $this->_attributes['id'] . '(frm) {
var ret = true;
' . $validateJS . ';
return ret;
}
//]]>
</script>';
return $js;
} // end func getValidationScript
// }}}
}
?>
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