<?php
/**
 * @package    Joomla.Component.Builder
 *
 * @created    30th April, 2015
 * @author     Llewellyn van der Merwe <https://dev.vdm.io>
 * @git        Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder>
 * @copyright  Copyright (C) 2015 Vast Development Method. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */
namespace VDM\Component\Componentbuilder\Administrator\Rule;

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Form\Form;
use Joomla\CMS\Form\FormRule;
use Joomla\Registry\Registry;
use Joomla\CMS\HTML\HTMLHelper as Html;
use Joomla\CMS\Component\ComponentHelper;
use VDM\Component\Componentbuilder\Administrator\Helper\ComponentbuilderHelper;

// No direct access to this file
\defined('JPATH_PLATFORM') or die;

/**
 * Form Rule (Uniqueplaceholder) class for the Joomla Platform.
 *
 * @since  3.5
 */
class UniqueplaceholderRule extends FormRule
{
	/**
	 * Method to test the field value for uniqueness.
	 *
	 * @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]".
	 * @param   Registry           $input    An optional Registry object with the entire data set to validate against the entire form.
	 * @param   Form               $form     The form object for which the field is being tested.
	 *
	 * @return  boolean  True if the value is valid, false otherwise.
	 *
	 * @since   11.1
	 */
	public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
	{
		// Get the extra field check attribute.
		$id = ($input instanceof Registry) ? $input->get('id', null) : null;
		// now test against all the placeholders and the compiler
		return ComponentbuilderHelper::validateUniquePlaceholder($id, $value, true);
	}
}