<?php
/**
* DHTML replacement for the standard JavaScript alert window for client-side
* validation
*
* LICENSE:
*
* Copyright (c) 2005-2007, Mark Wiesemann <wiesemann@php.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The names of the authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @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.opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id: PageDHTMLRulesTableless.php,v 1.3 2007/10/24 20:36:11 wiesemann Exp $
* @link http://pear.php.net/package/HTML_QuickForm_DHTMLRulesTableless
*/
require_once 'HTML/QuickForm/Page.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.opensource.org/licenses/bsd-license.php New BSD License
* @version Release: 0.3.3
* @link http://pear.php.net/package/HTML_QuickForm_DHTMLRulesTableless
*/
class HTML_QuickForm_PageDHTMLRulesTableless extends HTML_QuickForm_Page
{
/**
* Class constructor
*
* @access public
*/
function HTML_QuickForm_PageDHTMLRulesTableless($formName, $method = 'post',
$target = '', $attributes = null)
{
$this->HTML_QuickForm_Page($formName, $method, '', $target, $attributes);
}
// {{{ getValidationScript()
/**
* Returns the client side validation script
*
* The code here was copied from HTML_QuickForm and slightly modified to run rules per-element
*
* @access public
* @return string Javascript to perform validation, empty string if no 'client' rules were added
*/
function getValidationScript()
{
if (empty($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[//><!--
qf_errorHandler = function(element, _qfMsg) {
div = element.parentNode;
var elementName = element.name.replace(/\[/, "_____");
var elementName = elementName.replace(/\]/, "_____");
if (_qfMsg != \'\') {
span = document.createElement("span");
span.className = "error";
_qfMsg = _qfMsg.substring(4);
span.appendChild(document.createTextNode(_qfMsg));
br = document.createElement("br");
var errorDiv = document.getElementById(elementName + \'_errorDiv\');
if (!errorDiv) {
errorDiv = document.createElement("div");
errorDiv.id = elementName + \'_errorDiv\';
} else {
if ( div.firstChild.textContent == \'\'
|| _qfMsg == div.firstChild.textContent
) {
return false;
}
}
while (errorDiv.firstChild) {
errorDiv.removeChild(errorDiv.firstChild);
}
errorDiv.insertBefore(br, errorDiv.firstChild);
errorDiv.insertBefore(span, errorDiv.firstChild);
errorDivInserted = false;
for (var i = element.parentNode.childNodes.length - 1; i >= 0; i--) {
j = i - 1;
if (j >= 0 && element.parentNode.childNodes[j].nodeName == "DIV") {
element.parentNode.insertBefore(errorDiv, element.parentNode.childNodes[i]);
errorDivInserted = true;
break;
}
}
if (!errorDivInserted) {
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(elementName + \'_errorDiv\');
if (errorDiv) {
errorDiv.parentNode.removeChild(errorDiv);
}
// do not remove the error style from the div tag if there is still an error
// message
if (div.firstChild.innerHTML != "") {
return true;
}
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) {
// remove group element part of the element name to avoid JS errors
$singleElementName = $elementName;
$shortNameForJS = str_replace(array('[', ']'), '__', $elementName);
$bracketPos = strpos($elementName, '[');
if ($bracketPos !== false) {
$singleElementName = substr($elementName, 0, $bracketPos);
$groupElementName = substr($elementName, $bracketPos + 1, -1);
}
if ($bracketPos === false || !$this->elementExists($singleElementName)) {
$groupElementName = $elementName;
$singleElementName = $elementName;
}
$id = str_replace('-', '_', $this->_attributes['id']);
$js .= '
validate_' . $id . '_' . $shortNameForJS . ' = function(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", $jsArr) . '
return qf_errorHandler(element, _qfMsg);
}
';
unset($element);
$element =& $this->getElement($singleElementName);
$elementNameForJS = 'frm.elements[\'' . $elementName . '\']';
if ($element->getType() === 'group' && $singleElementName === $elementName) {
$elementNameForJS = 'document.getElementById(\'' . $element->_elements[0]->getAttribute('id') . '\')';
}
$validateJS .= '
ret = validate_' . $id . '_' . $shortNameForJS . '('. $elementNameForJS . ') && ret;';
if ($element->getType() !== 'group') { // not a group
$valFunc = 'validate_' . $id . '_' . $shortNameForJS . '(this)';
$onBlur = $element->getAttribute('onBlur');
$onChange = $element->getAttribute('onChange');
$element->updateAttributes(array('onBlur' => $onBlur . $valFunc,
'onChange' => $onChange . $valFunc));
} else { // group
$elements =& $element->getElements();
for ($i = 0; $i < count($elements); $i++) {
// $groupElementName is a substring of attribute name of the element
if (strpos($elements[$i]->getAttribute('name'), $groupElementName) === 0) {
$valFunc = 'validate_' . $id . '_' . $shortNameForJS . '(this)';
$onBlur = $elements[$i]->getAttribute('onBlur');
$onChange = $elements[$i]->getAttribute('onChange');
$elements[$i]->updateAttributes(array('onBlur' => $onBlur . $valFunc,
'onChange' => $onChange . $valFunc));
}
}
}
}
$js .= '
validate_' . $id . ' = function (frm) {
var ret = true;
' . $validateJS . ';
return ret;
}
//--><!]]></script>';
return $js;
} // end func getValidationScript
// }}}
function display() {
$this->getValidationScript();
return parent::display();
}
}
?>