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<?php
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Backend\LinkHandler;
use TYPO3\CMS\Backend\Controller\AbstractLinkBrowserController;
use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use TYPO3\CMS\Core\Imaging\IconFactory;
use TYPO3\CMS\Core\Localization\LanguageService;
use TYPO3\CMS\Core\Page\PageRenderer;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\View\ViewInterface;
/**
* Base class for core link handlers.
*
* @internal This class should only be used internally. Extensions must implement the LinkHandlerInterface.
*/
abstract class AbstractLinkHandler
{
/**
* Available additional link attributes
*
* 'rel' only works in RTE, still we have to declare support for it.
*
* @var string[]
*/
protected $linkAttributes = ['target', 'title', 'class', 'params', 'rel'];
/**
* @var bool
*/
protected $updateSupported = true;
/**
* @var AbstractLinkBrowserController
*/
protected $linkBrowser;
/**
* @var IconFactory
*/
protected $iconFactory;
protected ViewInterface $view;
/**
* @var PageRenderer
*/
protected $pageRenderer;
public function __construct() {}
public function initialize(AbstractLinkBrowserController $linkBrowser, $identifier, array $configuration)
{
$this->linkBrowser = $linkBrowser;
$this->iconFactory = GeneralUtility::makeInstance(IconFactory::class);
$this->pageRenderer = GeneralUtility::makeInstance(PageRenderer::class);
}
/**
* @return array
*/
public function getLinkAttributes()
{
return $this->linkAttributes;
}
/**
* @param string[] $fieldDefinitions Array of link attribute field definitions
* @return string[]
*/
public function modifyLinkAttributes(array $fieldDefinitions)
{
return $fieldDefinitions;
}
/**
* Return TRUE if the handler supports to update a link.
*
* This is useful for e.g. file or page links, when only attributes are changed.
*
* @return bool
*/
public function isUpdateSupported()
{
return $this->updateSupported;
}
protected function getBackendUser(): BackendUserAuthentication
{
return $GLOBALS['BE_USER'];
}
protected function getLanguageService(): LanguageService
{
return $GLOBALS['LANG'];
}
public function setView(ViewInterface $view): void
{
$this->view = $view;
}
}