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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Data\Form\Element;
use Magento\Framework\Escaper;
/**
* Form select element
*
* @author Magento Core Team <core@magentocommerce.com>
*/
class Checkboxes extends AbstractElement
{
/**
* @param Factory $factoryElement
* @param CollectionFactory $factoryCollection
* @param Escaper $escaper
* @param array $data
*/
public function __construct(
Factory $factoryElement,
CollectionFactory $factoryCollection,
Escaper $escaper,
$data = []
) {
parent::__construct($factoryElement, $factoryCollection, $escaper, $data);
$this->setType('checkbox');
$this->setExtType('checkboxes');
}
/**
* Retrieve allow attributes
*
* @return string[]
*/
public function getHtmlAttributes()
{
return [
'type',
'name',
'class',
'style',
'checked',
'onclick',
'onchange',
'disabled',
'data-role',
'data-action'
];
}
/**
* Prepare value list
*
* @return array
*/
protected function _prepareValues()
{
$options = [];
$values = [];
if ($this->getValues()) {
if (!is_array($this->getValues())) {
$options = [$this->getValues()];
} else {
$options = $this->getValues();
}
} elseif ($this->getOptions() && is_array($this->getOptions())) {
$options = $this->getOptions();
}
foreach ($options as $k => $v) {
if (is_array($v)) {
if (isset($v['value'])) {
if (!isset($v['label'])) {
$v['label'] = $v['value'];
}
$values[] = ['label' => $v['label'], 'value' => $v['value']];
}
} else {
$values[] = ['label' => $v, 'value' => $k];
}
}
return $values;
}
/**
* Retrieve HTML
*
* @return string
*/
public function getElementHtml()
{
$values = $this->_prepareValues();
if (!$values) {
return '';
}
$html = '<div class=nested>';
foreach ($values as $value) {
$html .= $this->_optionToHtml($value);
}
$html .= '</div>' . $this->getAfterElementHtml();
return $html;
}
/**
* Was given value selected?
*
* @param string $value
* @return string|null
*/
public function getChecked($value)
{
$checked = $this->getValue() ?? $this->getData('checked');
if (!$checked) {
return null;
}
if (!is_array($checked)) {
$checked = [(string)$checked];
} else {
foreach ($checked as $k => $v) {
$checked[$k] = (string)$v;
}
}
if (in_array((string)$value, $checked)) {
return 'checked';
}
return null;
}
/**
* Was value disabled for selection?
*
* @param string $value
* @return string|null
*/
public function getDisabled($value)
{
if ($disabled = $this->getData('disabled')) {
if (!is_array($disabled)) {
$disabled = [(string)$disabled];
} else {
foreach ($disabled as $k => $v) {
$disabled[$k] = (string)$v;
}
}
if (in_array((string)$value, $disabled)) {
return 'disabled';
}
}
return null;
}
/**
* Get onclick event handler.
*
* @param string $value
* @return string|null
*/
public function getOnclick($value = '$value')
{
if ($onclick = $this->getData('onclick')) {
return str_replace('$value', $value, $onclick);
}
return null;
}
/**
* Get onchange event handler.
*
* @param string $value
* @return string|null
*/
public function getOnchange($value = '$value')
{
if ($onchange = $this->getData('onchange')) {
return str_replace('$value', $value, $onchange);
}
return null;
}
/**
* Render a checkbox.
*
* @param array $option
* @return string
*/
protected function _optionToHtml($option)
{
$id = $this->getHtmlId() . '_' . $this->_escape($option['value']);
$html = '<div class="field choice admin__field admin__field-option"><input id="' . $id . '"';
foreach ($this->getHtmlAttributes() as $attribute) {
if ($value = $this->getDataUsingMethod($attribute, $option['value'])) {
$html .= ' ' . $attribute . '="' . $value . '" class="admin__control-checkbox"';
}
}
$html .= ' value="' .
$option['value'] .
'" />' .
' <label for="' .
$id .
'" class="admin__field-label"><span>' .
$option['label'] .
'</span></label></div>' .
"\n";
return $html;
}
}