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<?php
/**
* Validates all elements in a Container using a template Rule
*
* PHP version 5
*
* LICENSE:
*
* Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>,
* Bertrand Mansion <golgote@mamasam.com>
* 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_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version SVN: $Id: Each.php 294057 2010-01-26 21:10:28Z avb $
* @link http://pear.php.net/package/HTML_QuickForm2
*/
/**
* Base class for HTML_QuickForm2 rules
*/
// require_once 'HTML/QuickForm2/Rule.php';
/**
* Validates all elements in a Container using a template Rule
*
* This Rule needs one configuration parameter for its work: the template Rule
* to use for actual validation. It can be passed either to
* {@link HTML_QuickForm2_Rule::__construct() the Rule constructor} as local
* configuration or to {@link HTML_QuickForm2_Factory::registerRule()} as
* global one. As usual, global configuration overrides local.
*
* The container will be considered valid if all its elements are valid
* according to a template Rule.
*
* <code>
* $group->addRule('each', 'The fields should contain only letters',
* $group->createRule('regex', '/^[a-z]+$/i'));
* </code>
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @version Release: @package_version@
*/
class HTML_QuickForm2_Rule_Each extends HTML_QuickForm2_Rule
{
/**
* Validates the owner's children using the template Rule
*
* @return bool Whether all children are valid according to a template Rule
*/
protected function validateOwner()
{
$rule = clone $this->getConfig();
foreach ($this->owner->getRecursiveIterator(RecursiveIteratorIterator::LEAVES_ONLY) as $child) {
$rule->setOwner($child);
if (!$rule->validateOwner()) {
return false;
}
}
return true;
}
/**
* Sets the template Rule to use for actual validation
*
* We do not allow using Required rules here, they are able to validate
* containers themselves without the help of Each rule.
*
* @param HTML_QuickForm2_Rule Template Rule
* @return HTML_QuickForm2_Rule
* @throws HTML_QuickForm2_InvalidArgumentException if $config is either not
* an instance of Rule or is an instance of Rule_Required
*/
public function setConfig($config)
{
if (!$config instanceof HTML_QuickForm2_Rule) {
throw new HTML_QuickForm2_InvalidArgumentException(
'Each Rule requires a template Rule to validate with, ' .
preg_replace('/\s+/', ' ', var_export($config, true)) . ' given'
);
} elseif ($config instanceof HTML_QuickForm2_Rule_Required) {
throw new HTML_QuickForm2_InvalidArgumentException(
'Cannot use "required" Rule as a template'
);
}
return parent::setConfig($config);
}
/**
* Sets the element that will be validated by this rule
*
* @param HTML_QuickForm2_Container Container to validate
* @throws HTML_QuickForm2_InvalidArgumentException if trying to use
* this Rule on something that isn't a Container
*/
public function setOwner(HTML_QuickForm2_Node $owner)
{
if (!$owner instanceof HTML_QuickForm2_Container) {
throw new HTML_QuickForm2_InvalidArgumentException(
'Each Rule can only validate Containers, '.
get_class($owner) . ' given'
);
}
parent::setOwner($owner);
}
}
?>
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