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<?php
namespace {
/**
* Rule checking that the field is not empty
*
* 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: Nonempty.php 299706 2010-05-24 18:32:37Z avb $
* @link http://pear.php.net/package/HTML_QuickForm2
*/
/**
* Base class for HTML_QuickForm2 rules
*/
// require_once 'HTML/QuickForm2/Rule.php';
/**
* Rule checking that the field is not empty
*
* Handles simple form fields, file uploads and Containers.
*
* When validating <select multiple> fields and Containers it may use an
* optional configuration parameter for minimum number of nonempty values,
* defaulting to 1. 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.
*
* <code>
* // Required rule is 'nonempty' with a bit of special handling
* $login->addRule('required', 'Please provide your login');
* $multiSelect->addRule('required', 'Please select at least two options', 2);
* </code>
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @version Release: @package_version@
*/
class HTML_QuickForm2_Rule_Nonempty extends \HTML_QuickForm2_Rule
{
protected function validateOwner()
{
if ($this->owner instanceof \HTML_QuickForm2_Container) {
$nonempty = 0;
foreach ($this->owner->getRecursiveIterator(\RecursiveIteratorIterator::LEAVES_ONLY) as $child) {
$rule = new self($child);
if ($rule->validateOwner()) {
$nonempty++;
}
}
return $nonempty >= $this->getConfig();
}
$value = $this->owner->getValue();
if ($this->owner instanceof \HTML_QuickForm2_Element_InputFile) {
return isset($value['error']) && \UPLOAD_ERR_OK == $value['error'];
} elseif (\is_array($value)) {
return \count(\array_filter($value, 'strlen')) >= $this->getConfig();
} else {
return (bool) \strlen($value ?? '');
}
}
/**
* Sets minimum number of nonempty values
*
* This is useful for multiple selects and Containers, will be ignored for
* all other elements. Defaults to 1, thus multiple select will be
* considered not empty if at least one option is selected, Container will
* be considered not empty if at least one contained element is not empty.
*
* @param int Maximum allowed size
* @return HTML_QuickForm2_Rule
* @throws HTML_QuickForm2_InvalidArgumentException if a bogus size limit was provided
*/
public function setConfig($config)
{
if (\is_null($config)) {
$config = 1;
} elseif (1 > \intval($config)) {
throw new \HTML_QuickForm2_InvalidArgumentException('Nonempty Rule accepts a positive count of nonempty values, ' . \preg_replace('/\\s+/', ' ', \var_export($config, \true)) . ' given');
}
return parent::setConfig(\intval($config));
}
protected function getJavascriptCallback()
{
$js = "function() {var value = " . $this->owner->getJavascriptValue() . ";";
if (!$this->owner instanceof \HTML_QuickForm2_Container) {
$js .= " if (!value instanceof Array) { return value != ''; } else { " . "var valid = 0; for (var i = 0; i < value.length; i++) { " . "if ('' != value[i]) { valid++; } } return valid >= " . $this->getConfig() . "; } }";
} else {
$js .= " var values = value.getValues(); var valid = 0; " . "for (var i = 0; i < values.length; i++) { " . "if ('' != values[i]) { valid++; } } return valid >= " . $this->getConfig() . "; }";
}
return $js;
}
}
}