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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Backend\Block\Widget\Grid\Column\Filter;
/**
* Select grid column filter
*
* @api
* @deprecated 100.2.0 in favour of UI component implementation
* @since 100.0.2
*/
class Select extends \Magento\Backend\Block\Widget\Grid\Column\Filter\AbstractFilter
{
/**
* {@inheritdoc}
*/
protected function _getOptions()
{
$emptyOption = ['value' => null, 'label' => ''];
$optionGroups = $this->getColumn()->getOptionGroups();
if ($optionGroups) {
array_unshift($optionGroups, $emptyOption);
return $optionGroups;
}
$colOptions = $this->getColumn()->getOptions();
if (!empty($colOptions) && is_array($colOptions)) {
$options = [$emptyOption];
foreach ($colOptions as $key => $option) {
if (is_array($option)) {
$options[] = $option;
} else {
$options[] = ['value' => $key, 'label' => $option];
}
}
return $options;
}
return [];
}
/**
* Render an option with selected value
*
* @param array $option
* @param string $value
* @return string
*/
protected function _renderOption($option, $value)
{
$selected = $option['value'] == $value && $value !== null ? ' selected="selected"' : '';
return '<option value="' . $this->escapeHtml(
$option['value']
) . '"' . $selected . '>' . $this->escapeHtml(
$option['label']
) . '</option>';
}
/**
* {@inheritdoc}
*/
public function getHtml()
{
$html = '<select name="' . $this->_getHtmlName() . '" id="' . $this->_getHtmlId() . '"' . $this->getUiId(
'filter',
$this->_getHtmlName()
) . 'class="no-changes admin__control-select">';
$value = $this->getValue();
foreach ($this->_getOptions() as $option) {
if (is_array($option['value'])) {
$html .= '<optgroup label="' . $this->escapeHtml($option['label']) . '">';
foreach ($option['value'] as $subOption) {
$html .= $this->_renderOption($subOption, $value);
}
$html .= '</optgroup>';
} else {
$html .= $this->_renderOption($option, $value);
}
}
$html .= '</select>';
return $html;
}
/**
* {@inheritdoc}
*/
public function getCondition()
{
if ($this->getValue() === null) {
return null;
}
return ['eq' => $this->getValue()];
}
}