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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Backend\Block\Widget\Button;
use Magento\Backend\Block\Template\Context;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Math\Random;
use Magento\Framework\View\Helper\SecureHtmlRenderer;
/**
* Split button widget
*
* @method array getOptions()
* @method string getButtonClass()
* @method string getClass()
* @method string getLabel()
* @method string getTitle()
* @method bool getDisabled()
* @method string getStyle()
* @method array getDataAttribute()
* @api
* @since 100.0.2
*/
class SplitButton extends \Magento\Backend\Block\Widget
{
/**
* @var SecureHtmlRenderer
*/
private $secureRenderer;
/**
* @var Random
*/
private $random;
/**
* @param Context $context
* @param array $data
* @param SecureHtmlRenderer|null $secureRenderer
* @param Random|null $random
*/
public function __construct(
Context $context,
array $data = [],
?SecureHtmlRenderer $secureRenderer = null,
?Random $random = null
) {
parent::__construct($context, $data);
$this->secureRenderer = $secureRenderer ?? ObjectManager::getInstance()->get(SecureHtmlRenderer::class);
$this->random = $random ?? ObjectManager::getInstance()->get(Random::class);
}
/**
* Define block template
*
* @return void
*/
protected function _construct()
{
if (!$this->hasTemplate()) {
$this->setTemplate('Magento_Backend::widget/button/split.phtml');
}
parent::_construct();
}
/**
* Retrieve <div> wrapper attributes html
*
* @return string
*/
public function getAttributesHtml()
{
$title = $this->getTitle();
if (!$title) {
$title = $this->getLabel();
}
$classes = [];
if ($this->hasSplit()) {
$classes[] = 'actions-split';
}
//@TODO Perhaps use $this->getClass() instead
if ($this->getButtonClass()) {
$classes[] = $this->getButtonClass();
}
$attributes = ['id' => $this->getId(), 'title' => $title, 'class' => join(' ', $classes)];
$html = $this->_getAttributesString($attributes);
return $html;
}
/**
* Get main button's "id" attribute value.
*
* @return string
*/
private function getButtonId(): string
{
return $this->getId() .'-button';
}
/**
* Retrieve button attributes html
*
* @return string
*/
public function getButtonAttributesHtml()
{
$disabled = $this->getDisabled() ? 'disabled' : '';
$title = $this->getTitle();
if (!$title) {
$title = $this->getLabel();
}
$classes = [];
$classes[] = 'action-default';
$classes[] = 'primary';
// @TODO Perhaps use $this->getButtonClass() instead
if ($this->getClass()) {
$classes[] = $this->getClass();
}
if ($disabled) {
$classes[] = $disabled;
}
$attributes = [
'id' => $this->getButtonId(),
'title' => $title,
'class' => join(' ', $classes),
'disabled' => $disabled
];
//TODO perhaps we need to skip data-mage-init when disabled="disabled"
if ($this->getDataAttribute()) {
$this->_getDataAttributes($this->getDataAttribute(), $attributes);
}
$html = $this->_getAttributesString($attributes);
$html .= $this->getUiId();
return $html;
}
/**
* Retrieve toggle button attributes html
*
* @return string
*/
public function getToggleAttributesHtml()
{
$disabled = $this->getDisabled() ? 'disabled' : '';
$title = $this->getTitle();
if (!$title) {
$title = $this->getLabel();
}
$classes = [];
$classes[] = 'action-toggle';
$classes[] = 'primary';
if ($this->getClass()) {
$classes[] = $this->getClass();
}
if ($disabled) {
$classes[] = $disabled;
}
$attributes = [
'title' => $title,
'class' => join(' ', $classes),
'disabled' => $disabled,
'aria-label' => (string)$this->getData('dropdown_button_aria_label'),
];
$this->_getDataAttributes(['mage-init' => '{"dropdown": {}}', 'toggle' => 'dropdown'], $attributes);
$html = $this->_getAttributesString($attributes);
$html .= $this->getUiId('dropdown');
return $html;
}
/**
* Retrieve options attributes html
*
* @param string $key
* @param array $option
* @return string
* @SuppressWarnings(PHPMD.NPathComplexity)
*/
public function getOptionAttributesHtml($key, $option)
{
$disabled = isset($option['disabled']) && $option['disabled'] ? 'disabled' : '';
if (isset($option['title'])) {
$title = $option['title'];
} else {
$title = $option['label'];
}
$classes = [];
$classes[] = 'item';
if (!empty($option['default'])) {
$classes[] = 'item-default';
}
if ($disabled) {
$classes[] = $disabled;
}
$attributes = $this->_prepareOptionAttributes($option, $title, $classes, $disabled);
$html = $this->_getAttributesString($attributes);
$html .= $this->getUiId(isset($option['id']) ? $option['id'] : 'item' . '-' . $key);
return $html;
}
/**
* Checks if the button needs actions-split functionality
*
* If this function returns false then split button will be rendered as simple button
*
* @return bool
*/
public function hasSplit()
{
return $this->hasData('has_split') ? (bool)$this->getData('has_split') : true;
}
/**
* Add data attributes to $attributes array
*
* @param array $data
* @param array $attributes
* @return void
*/
protected function _getDataAttributes($data, &$attributes)
{
foreach ($data as $key => $attr) {
$attributes['data-' . $key] = is_scalar($attr) ? $attr : json_encode($attr);
}
}
/**
* Retrieve "id" attribute value for an option.
*
* @param array $option
* @return string
*/
private function identifyOption(array $option): string
{
return isset($option['id'])
? $this->getId() .'-' .$option['id']
: (isset($option['id_attribute']) ?
$option['id_attribute']
: $this->getId() .'-optId' .$this->random->getRandomString(10));
}
/**
* Prepare option attributes
*
* @param array $option
* @param string $title
* @param string $classes
* @param string $disabled
* @return array
* @SuppressWarnings(PHPMD.NPathComplexity)
*/
protected function _prepareOptionAttributes($option, $title, $classes, $disabled)
{
$attributes = [
'id' => $this->identifyOption($option),
'title' => $title,
'class' => join(' ', $classes),
'disabled' => $disabled,
];
if (isset($option['data_attribute'])) {
$this->_getDataAttributes($option['data_attribute'], $attributes);
}
return $attributes;
}
/**
* Render attributes array as attributes string
*
* @param array $attributes
* @return string
*/
protected function _getAttributesString($attributes)
{
$html = [];
foreach ($attributes as $attributeKey => $attributeValue) {
if ($attributeValue === null || $attributeValue == '') {
continue;
}
$html[] = $attributeKey . '="' . $this->escapeHtmlAttr($attributeValue, false) . '"';
}
return join(' ', $html);
}
/**
* @inheritDoc
*/
protected function _beforeToHtml()
{
parent::_beforeToHtml();
$afterHtml = $this->getAfterHtml();
/** @var array|null $options */
$options = $this->getOptions() ?? [];
foreach ($options as &$option) {
$id = $option['id_attribute'] = $this->identifyOption($option);
if (!empty($option['onclick'])) {
$afterHtml .= $this->secureRenderer->renderEventListenerAsTag('onclick', $option['onclick'], "#$id");
}
if (!empty($option['style'])) {
$afterHtml .= $this->secureRenderer->renderStyleAsTag($option['style'], "#$id");
}
}
$this->setOptions($options);
$this->setAfterHtml($afterHtml);
return $this;
}
}