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编辑当前文件:/home2/sdektunc/.trash/administrator/components/com_associations/src/Field/ItemlanguageField.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_associations
 *
 * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Associations\Administrator\Field;

\defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Form\Field\ListField;
use Joomla\CMS\Language\LanguageHelper;
use Joomla\Component\Associations\Administrator\Helper\AssociationsHelper;
use Joomla\Utilities\ArrayHelper;

/**
 * Field listing item languages
 *
 * @since  3.7.0
 */
class ItemlanguageField extends ListField
{
	/**
	 * The form field type.
	 *
	 * @var    string
	 * @since  3.7.0
	 */
	protected $type = 'Itemlanguage';

/**
	 * Method to get the field options.
	 *
	 * @return  array  The field option objects.
	 *
	 * @since  3.7.0
	 */
	protected function getOptions()
	{
		$input = Factory::getApplication()->input;

list($extensionName, $typeName) = explode('.', $input->get('itemtype', '', 'string'), 2);

// Get the extension specific helper method
		$helper = AssociationsHelper::getExtensionHelper($extensionName);

$languageField = $helper->getTypeFieldName($typeName, 'language');
		$referenceId   = $input->get('id', 0, 'int');
		$reference     = ArrayHelper::fromObject(AssociationsHelper::getItem($extensionName, $typeName, $referenceId));
		$referenceLang = $reference[$languageField];

// Get item associations given ID and item type
		$associations = AssociationsHelper::getAssociationList($extensionName, $typeName, $referenceId);

// Check if user can create items in this component item type.
		$canCreate = AssociationsHelper::allowAdd($extensionName, $typeName);

// Gets existing languages.
		$existingLanguages = LanguageHelper::getContentLanguages(array(0, 1), false);

$options = array();

// Each option has the format "<lang>|<id>", example: "en-GB|1"
		foreach ($existingLanguages as $langCode => $language)
		{
			// If language code is equal to reference language we don't need it.
			if ($language->lang_code == $referenceLang)
			{
				continue;
			}

$options[$langCode]       = new \stdClass;
			$options[$langCode]->text = $language->title;

// If association exists in this language.
			if (isset($associations[$language->lang_code]))
			{
				$itemId                    = (int) $associations[$language->lang_code]['id'];
				$options[$langCode]->value = $language->lang_code . ':' . $itemId . ':edit';

// Check if user does have permission to edit the associated item.
				$canEdit = AssociationsHelper::allowEdit($extensionName, $typeName, $itemId);

// Check if item can be checked out
				$canCheckout = AssociationsHelper::canCheckinItem($extensionName, $typeName, $itemId);

// Disable language if user is not allowed to edit the item associated to it.
				$options[$langCode]->disable = !($canEdit && $canCheckout);
			}
			else
			{
				// New item, id = 0 and disabled if user is not allowed to create new items.
				$options[$langCode]->value = $language->lang_code . ':0:add';

// Disable language if user is not allowed to create items.
				$options[$langCode]->disable = !$canCreate;
			}
		}

return array_merge(parent::getOptions(), $options);
	}
}