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/home/zrcdevco/www/zrcprod/libraries/src/Form/Field/ContenttypeField.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Form\Field;

defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Form\FormHelper;

FormHelper::loadFieldClass('list');

/**
 * Content Type field.
 *
 * @since  3.1
 */
class ContenttypeField extends \JFormFieldList
{
	/**
	 * A flexible tag list that respects access controls
	 *
	 * @var    string
	 * @since  3.1
	 */
	public $type = 'Contenttype';

/**
	 * Method to get the field input for a list of content types.
	 *
	 * @return  string  The field input.
	 *
	 * @since   3.1
	 */
	protected function getInput()
	{
		if (!is_array($this->value))
		{
			if (is_object($this->value))
			{
				$this->value = $this->value->tags;
			}

if (is_string($this->value))
			{
				$this->value = explode(',', $this->value);
			}
		}

return parent::getInput();
	}

/**
	 * Method to get a list of content types
	 *
	 * @return  array  The field option objects.
	 *
	 * @since   3.1
	 */
	protected function getOptions()
	{
		$lang = Factory::getLanguage();
		$db    = Factory::getDbo();
		$query = $db->getQuery(true)
			->select('a.type_id AS value, a.type_title AS text, a.type_alias AS alias')
			->from('#__content_types AS a')

->order('a.type_title ASC');

// Get the options.
		$db->setQuery($query);

try
		{
			$options = $db->loadObjectList();
		}
		catch (\RuntimeException $e)
		{
			return array();
		}

foreach ($options as $option)
		{
			// Make up the string from the component sys.ini file
			$parts = explode('.', $option->alias);
			$comp = array_shift($parts);

// Make sure the component sys.ini is loaded
			$lang->load($comp . '.sys', JPATH_ADMINISTRATOR, null, false, true)
			|| $lang->load($comp . '.sys', JPATH_ADMINISTRATOR . '/components/' . $comp, null, false, true);

$option->string = implode('_', $parts);
			$option->string = $comp . '_CONTENT_TYPE_' . $option->string;

if ($lang->hasKey($option->string))
			{
				$option->text = \JText::_($option->string);
			}
		}

// Merge any additional options in the XML definition.
		$options = array_merge(parent::getOptions(), $options);

return $options;
	}
}