124 lines
3.8 KiB
PHP
124 lines
3.8 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Backend\ContextMenu;
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use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
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use TYPO3\CMS\Backend\ContextMenu\ItemProviders\ItemProvidersRegistry;
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use TYPO3\CMS\Backend\ContextMenu\ItemProviders\ProviderInterface;
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/**
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* Class for generating the click menu
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* @internal
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*/
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#[Autoconfigure(public: true)]
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class ContextMenu
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{
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protected ItemProvidersRegistry $itemProvidersRegistry;
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public function __construct(ItemProvidersRegistry $itemProvidersRegistry)
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{
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$this->itemProvidersRegistry = $itemProvidersRegistry;
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}
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public function getItems(string $table, string $identifier, string $context = ''): array
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{
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$items = [];
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foreach ($this->getAvailableProviders($table, $identifier, $context) as $provider) {
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$items = $provider->addItems($items);
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}
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return $this->cleanItems($items);
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}
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/**
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* @return ProviderInterface[]
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*/
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protected function getAvailableProviders(string $table, string $identifier, string $context): array
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{
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$providers = $this->itemProvidersRegistry->getItemProviders();
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$availableProviders = [];
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foreach ($providers as $provider) {
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$provider->setContext($table, $identifier, $context);
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if ($provider->canHandle()) {
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$priority = $provider->getPriority();
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$availableProviders[$priority] = $provider;
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}
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}
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krsort($availableProviders);
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return $availableProviders;
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}
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/**
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* Clean up double dividers.
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* Don't render menu when there are no item or submenu.
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*/
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protected function cleanItems(array $items): array
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{
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$canRender = false;
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$prevItemWasDivider = false;
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foreach ($items as $key => $item) {
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// Assign the key as the identifier for each item.
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// This is needed for the JavaScript to render a single node
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$items[$key]['identifier'] = $key;
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if ($item['type'] === 'item') {
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$canRender = true;
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$prevItemWasDivider = false;
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continue;
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}
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if ($item['type'] === 'divider') {
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if ($prevItemWasDivider === true) {
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unset($items[$key]);
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} else {
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$prevItemWasDivider = true;
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}
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continue;
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}
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if ($item['type'] === 'submenu') {
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$childItems = $this->cleanItems($item['childItems']);
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if (empty($childItems)) {
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unset($items[$key]);
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} else {
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$items[$key]['childItems'] = $childItems;
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$canRender = true;
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$prevItemWasDivider = false;
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}
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continue;
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}
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}
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if ($canRender) {
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//Remove first and last divider
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$fistItem = reset($items);
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if ($fistItem['type'] === 'divider') {
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$key = key($items);
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unset($items[$key]);
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}
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$lastItem = end($items);
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if ($lastItem['type'] === 'divider') {
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$key = key($items);
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unset($items[$key]);
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}
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} else {
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//no menu when there are no item or submenu
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$items = [];
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}
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return $items;
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}
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}
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