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<?php
/**
* Copyright © Magefan ([email protected]). All rights reserved.
* Please visit Magefan.com for license details (https://magefan.com/end-user-license-agreement).
*/
declare(strict_types=1);
namespace Magefan\Blog\Block\Adminhtml\Widget\Featured;
use Magento\Widget\Model\ResourceModel\Widget\Instance\CollectionFactory as WidgetCollectionFactory;
use Magefan\Blog\Model\ResourceModel\Post\CollectionFactory as PostCollectionFactory;
use Magento\Backend\Block\Template\Context;
use Magento\Backend\Helper\Data;
use Magento\Framework\Data\Form\Element\AbstractElement;
class Grid extends \Magento\Backend\Block\Widget\Grid\Extended
{
/**
* @var PostCollectionFactoryy
*/
protected $postCollectionFactory;
/**
* @var WidgetCollectionFactory
*/
protected $widgetCollectionFactory;
/**
* @param Context $context
* @param Data $backendHelper
* @param PostCollectionFactory $postCollectionFactory
* @param WidgetCollectionFactory $widgetCollectionFactory
* @param array $data
*/
public function __construct(
Context $context,
Data $backendHelper,
PostCollectionFactory $postCollectionFactory,
WidgetCollectionFactory $widgetCollectionFactory,
array $data = []
) {
$this->postCollectionFactory = $postCollectionFactory;
$this->widgetCollectionFactory = $widgetCollectionFactory;
parent::__construct($context, $backendHelper, $data);
}
/**
* Block construction, prepare grid params
*
* @return void
*/
protected function _construct() : void
{
parent::_construct();
$this->setId('post_ids');
$this->setDefaultSort('post_id');
$this->setUseAjax(true);
}
/**
* @param \Magento\Framework\Data\Form\Element\AbstractElement $element
* @return \Magento\Framework\Data\Form\Element\AbstractElement
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function prepareElementHtml(AbstractElement $element) : AbstractElement
{
$uniqId = $this->mathRandom->getUniqueHash($element->getId());
$sourceUrl = $this->getUrl(
'blog/block_featured_grid/chooser',
['uniq_id' => $uniqId,'instance_id' =>
(int)$this->getRequest()->getParam('instance_id')]
);
$chooser = $this->getLayout()->createBlock(
\Magefan\Blog\Block\Adminhtml\Widget\Featured\Grid\Chooser::class
)->setElement(
$element
)->setConfig(
$this->getConfig()
)->setFieldsetId(
$this->getFieldsetId()
)->setSourceUrl(
$sourceUrl
)->setUniqId(
$uniqId
)->setChooserJsObject(
$this->getId()
)->setJsObjectName(
$this->getJsObjectName()
);
if ($element->getValue()) {
$chooser->setLabel($this->escapeHtml((string)$element->getValue()));
}
$element->setData('after_element_html', $chooser->toHtml());
return $element;
}
/**
* @return Grid
*/
protected function _prepareCollection() : Grid
{
$this->setDefaultFilter(['post_id_checkbox' => 1]);
$this->setCollection($this->postCollectionFactory->create());
return parent::_prepareCollection();
}
/**
* @return string
*/
public function getRowInitCallback() : string
{
return 'function (grid, element,checked) {
if(window.needToReload){
var currentState = ' .
$this->getId() .
'.getElementValue();
if(!currentState) {
grid.reloadParams = {
"selected_posts[]": ["-1"]
};
}
else {
grid.reloadParams = {
"selected_posts[]": window.postState
};
}
grid.reload(grid.url);
window.needToReload = false;
}
}
';
}
/**
* @return string
*/
public function getRowClickCallback() : string
{
return '
function (grid, event) {
var trElement = Event.findElement(event, "tr"),
eventElement = Event.element(event),
isInputCheckbox = eventElement.tagName === "INPUT" && eventElement.type === "checkbox",
isInputPosition = grid.targetElement &&
grid.targetElement.tagName === "INPUT" &&
grid.targetElement.name === "position",
checked = false,
checkbox = null;
var blockId = trElement.down("td").innerHTML.replace(/^\s+|\s+$/g,"");
var blockTitle = trElement.down("td").next().innerHTML.replace(/^\s+|\s+$/g,"");
var isRepresent = function(Array,character) {
for (var i = 0; i < Array.length; i++) {
if (Array[i] === character) {
return i;
}
}
return -1;
};
if (eventElement.tagName === "LABEL" &&
trElement.querySelector("#" + eventElement.htmlFor) &&
trElement.querySelector("#" + eventElement.htmlFor).type === "checkbox"
) {
event.stopPropagation();
trElement.querySelector("#" + eventElement.htmlFor).trigger("click");
}
if (trElement && !isInputPosition) {
checkbox = Element.getElementsBySelector(trElement, "input");
var index = isRepresent(window.postState,blockTitle);
if (checkbox[0]) {
checked = isInputCheckbox ? checkbox[0].checked : !checkbox[0].checked;
if (checked) {
if (index === -1) {
window.postState.push(blockTitle);
}
}
else {
if (index !== -1) {
window.postState.splice(index, 1);
}
}
if (window.postState.length) {
grid.reloadParams = {
"selected_posts[]": window.postState
};
}
else {
grid.reloadParams = {
"selected_posts[]": ["-1"]
};
}
grid.setCheckboxChecked(checkbox[0], checked);
}
}
}
';
}
/**
* Checkbox Check JS Callback
*
* @return string
*/
public function getCheckboxCheckCallback() : string
{
return 'function (grid, element,checked) {
var isRepresent = function(Array,character) {
for (var i = 0; i < Array.length; i++) {
if (Array[i] === character) {
return i;
}
}
return -1;
};
var index = isRepresent(window.postState,element.value);
if(checked) {
if (index === -1 && element.value !== "on") {
window.postState.push(element.value);
}
}
else {
if (index !== -1) {
window.postState.splice(index, 1);
}
}
if (window.postState.length) {
grid.reloadParams = {
"selected_posts[]": window.postState
};
}
else {
grid.reloadParams = {
"selected_posts[]": ["-1"]
};
}
}';
}
/**
* @param $column
* @return $this
* @throws \Magento\Framework\Exception\LocalizedException
*/
protected function _addColumnFilterToCollection($column) : Grid
{
// Set custom filter for in category flag
if ($column->getId() == 'post_id_checkbox') {
$postIds = $this->_getSelectedPosts();
if (empty($postIds)) {
$postIds = 0;
}
if ($column->getFilter()->getValue()) {
$this->getCollection()->addFieldToFilter('post_id', ['in' => $postIds]);
} elseif (!empty($postIds)) {
$this->getCollection()->addFieldToFilter('post_id', ['nin' => $postIds]);
}
} else {
parent::_addColumnFilterToCollection($column);
}
return $this;
}
/**
* @return Grid
* @throws \Exception
*/
protected function _prepareColumns() : Grid
{
$this->addColumn(
'post_id_checkbox',
[
'type' => 'checkbox',
'name' => 'post_id_checkbox',
'values' => $this->_getSelectedPosts(),
'index' => 'post_id',
'header_css_class' => 'col-select col-massaction',
'column_css_class' => 'col-select col-massaction'
]
);
$this->addColumn(
'post_id',
[
'header' => __('Post Id'),
'sortable' => true,
'index' => 'post_id',
'header_css_class' => 'col-id',
'column_css_class' => 'col-id'
]
);
$this->addColumn(
'title',
[
'header' => __('Title'),
'index' => 'title'
]
);
return parent::_prepareColumns();
}
/**
* Get grid url
*
* @return string
*/
public function getGridUrl() : string
{
return $this->getUrl('blog/block_featured_grid/chooser', ['_current' => true]);
}
/**
* @return array
*/
protected function _getSelectedPosts() : array
{
$selectedPosts = $this->getRequest()->getParam('selected_posts');
if ($selectedPosts !== null) {
return array_values($selectedPosts);
}
$widgetCollection = $this->widgetCollectionFactory->create()->addFieldToFilter(
'instance_id',
['eq' =>
(int)$this->getRequest()->getParam('instance_id')]
);
if (count($widgetCollection) === 1) {
$widget = $widgetCollection->getFirstItem();
$widgetParameters = $widget->getWidgetParameters();
if (isset($widgetParameters['posts_ids'])) {
return explode(',', (string)$widgetParameters['posts_ids']);
}
}
return [];
}
}