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编辑当前文件:/home2/sdektunc/www/administrator/components/com_fields/src/Field/SectionField.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_fields
 *
 * @copyright   (C) 2016 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Fields\Administrator\Field;

\defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Form\Field\ListField;

/**
 * Fields Section
 *
 * @since  3.7.0
 */
class SectionField extends ListField
{
	/**
	 * Type of the field
	 *
	 * @var    string
	 */
	public $type = 'Section';

/**
	 * Method to attach a JForm object to the field.
	 *
	 * @param   \SimpleXMLElement  $element  The SimpleXMLElement object representing the `<field>` tag for the form field object.
	 * @param   mixed              $value    The form field value to validate.
	 * @param   string             $group    The field name group control value. This acts as an array container for the field.
	 *                                       For example if the field has name="foo" and the group value is set to "bar" then the
	 *                                       full field name would end up being "bar[foo]".
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   3.7.0
	 */
	public function setup(\SimpleXMLElement $element, $value, $group = null)
	{
		$return = parent::setup($element, $value, $group);

// Onchange must always be the change context function
		$this->onchange = 'Joomla.fieldsChangeContext(this.value);';

return $return;
	}

/**
	 * Method to get the field input markup for a generic list.
	 * Use the multiple attribute to enable multiselect.
	 *
	 * @return  string  The field input markup.
	 *
	 * @since   3.7.0
	 */
	protected function getInput()
	{
		Factory::getApplication()->getDocument()->getWebAssetManager()
			->useScript('com_fields.admin-field-changecontext');

return parent::getInput();
	}
}