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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Widget\Block\Adminhtml\Widget;
/**
* WYSIWYG widget options form
*
* @api
* @since 100.0.2
*/
class Options extends \Magento\Backend\Block\Widget\Form\Generic
{
/**
* Element type used by default if configuration is omitted
* @var string
*/
protected $_defaultElementType = 'text';
/**
* @var \Magento\Widget\Model\Widget
*/
protected $_widget;
/**
* @var \Magento\Framework\Option\ArrayPool
*/
protected $_sourceModelPool;
/**
* @param \Magento\Backend\Block\Template\Context $context
* @param \Magento\Framework\Registry $registry
* @param \Magento\Framework\Data\FormFactory $formFactory
* @param \Magento\Framework\Option\ArrayPool $sourceModelPool
* @param \Magento\Widget\Model\Widget $widget
* @param array $data
*/
public function __construct(
\Magento\Backend\Block\Template\Context $context,
\Magento\Framework\Registry $registry,
\Magento\Framework\Data\FormFactory $formFactory,
\Magento\Framework\Option\ArrayPool $sourceModelPool,
\Magento\Widget\Model\Widget $widget,
array $data = []
) {
$this->_sourceModelPool = $sourceModelPool;
$this->_widget = $widget;
parent::__construct($context, $registry, $formFactory, $data);
}
/**
* Prepare Widget Options Form and values according to specified type
*
* The widget_type must be set in data before
* widget_values may be set before to render element values
*
* @return $this
*/
protected function _prepareForm()
{
$this->getForm()->setUseContainer(false);
$this->addFields();
return $this;
}
/**
* Form getter/instantiation
*
* @return \Magento\Framework\Data\Form
*/
public function getForm()
{
if ($this->_form instanceof \Magento\Framework\Data\Form) {
return $this->_form;
}
/** @var \Magento\Framework\Data\Form $form */
$form = $this->_formFactory->create();
$this->setForm($form);
return $form;
}
/**
* Fieldset getter/instantiation
*
* @return \Magento\Framework\Data\Form\Element\Fieldset
*/
public function getMainFieldset()
{
if ($this->_getData('main_fieldset') instanceof \Magento\Framework\Data\Form\Element\Fieldset) {
return $this->_getData('main_fieldset');
}
$mainFieldsetHtmlId = 'options_fieldset' . hash('sha256', $this->getWidgetType());
$this->setMainFieldsetHtmlId($mainFieldsetHtmlId);
$fieldset = $this->getForm()->addFieldset(
$mainFieldsetHtmlId,
['legend' => __('Widget Options'), 'class' => 'fieldset-wide fieldset-widget-options']
);
$this->setData('main_fieldset', $fieldset);
// add dependence javascript block
$block = $this->getLayout()->createBlock(\Magento\Backend\Block\Widget\Form\Element\Dependence::class);
$this->setChild('form_after', $block);
return $fieldset;
}
/**
* Add fields to main fieldset based on specified widget type
*
* @throws \Magento\Framework\Exception\LocalizedException
* @return $this
*/
public function addFields()
{
// get configuration node and translation helper
if (!$this->getWidgetType()) {
throw new \Magento\Framework\Exception\LocalizedException(__('Please specify a Widget Type.'));
}
$config = $this->_widget->getConfigAsObject($this->getWidgetType());
if (!$config->getParameters()) {
return $this;
}
foreach ($config->getParameters() as $parameter) {
$this->_addField($parameter);
}
return $this;
}
/**
* Add field to Options form based on parameter configuration
*
* @param \Magento\Framework\DataObject $parameter
* @return \Magento\Framework\Data\Form\Element\AbstractElement
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
* @SuppressWarnings(PHPMD.NPathComplexity)
*/
protected function _addField($parameter)
{
$form = $this->getForm();
$fieldset = $this->getMainFieldset();
// prepare element data with values (either from request of from default values)
$fieldName = $parameter->getKey();
$data = [
'name' => $form->addSuffixToName($fieldName, 'parameters'),
'label' => __($parameter->getLabel()),
'required' => $parameter->getRequired(),
'class' => 'widget-option',
'note' => __($parameter->getDescription()),
];
if ($values = $this->getWidgetValues()) {
$data['value'] = isset($values[$fieldName]) ? $values[$fieldName] : '';
} else {
$data['value'] = $parameter->getValue();
}
//prepare unique id value
if ($fieldName == 'unique_id' && $data['value'] == '') {
$data['value'] = hash('sha256', microtime(1));
}
if (is_array($data['value'])) {
foreach ($data['value'] as &$value) {
if (is_string($value)) {
// phpcs:ignore Magento2.Functions.DiscouragedFunction
$value = html_entity_decode($value);
}
}
} else {
// phpcs:ignore Magento2.Functions.DiscouragedFunction
$data['value'] = \is_string($data['value']) ? html_entity_decode($data['value']) : '';
}
// prepare element dropdown values
if ($values = $parameter->getValues()) {
// dropdown options are specified in configuration
$data['values'] = [];
foreach ($values as $option) {
$data['values'][] = ['label' => __($option['label']), 'value' => $option['value']];
}
// otherwise, a source model is specified
} elseif ($sourceModel = $parameter->getSourceModel()) {
$data['values'] = $this->_sourceModelPool->get($sourceModel)->toOptionArray();
}
// prepare field type or renderer
$fieldRenderer = null;
$fieldType = $parameter->getType();
// hidden element
if (!$parameter->getVisible()) {
$fieldType = 'hidden';
// just an element renderer
} elseif ($fieldType && $this->_isClassName($fieldType)) {
$fieldRenderer = $this->getLayout()->createBlock($fieldType);
$fieldType = $this->_defaultElementType;
}
// instantiate field and render html
$field = $fieldset->addField($this->getMainFieldsetHtmlId() . '_' . $fieldName, $fieldType, $data);
if ($fieldRenderer) {
$field->setRenderer($fieldRenderer);
}
// extra html preparations
if ($helper = $parameter->getHelperBlock()) {
$helperBlock = $this->getLayout()->createBlock(
$helper->getType(),
'',
['data' => $helper->getData()]
);
if ($helperBlock instanceof \Magento\Framework\DataObject) {
$helperBlock->setConfig(
$helper->getData()
)->setFieldsetId(
$fieldset->getId()
)->prepareElementHtml(
$field
);
}
}
// dependencies from other fields
$dependenceBlock = $this->getChildBlock('form_after');
$dependenceBlock->addFieldMap($field->getId(), $fieldName);
if ($parameter->getDepends()) {
foreach ($parameter->getDepends() as $from => $row) {
$values = isset($row['values']) ? array_values($row['values']) : (string)$row['value'];
$dependenceBlock->addFieldDependence($fieldName, $from, $values);
}
}
return $field;
}
/**
* Checks whether $fieldType is a class name of custom renderer, and not just a type of input element
*
* @param string $fieldType
* @return bool
*/
protected function _isClassName($fieldType)
{
return $fieldType && preg_match('/[A-Z]/', $fieldType) > 0;
}
}