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/home/develito/public_html/plugins/system/nnframework/fields/tags.php

<?php
/**
 * @package         NoNumber Framework
 * @version         16.3.3874
 * 
 * @author          Peter van Westen <peter@nonumber.nl>
 * @link            http://www.nonumber.nl
 * @copyright       Copyright © 2016 NoNumber All Rights Reserved
 * @license         http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

defined('_JEXEC') or die;

require_once dirname(__DIR__) . '/helpers/field.php';

class JFormFieldNN_Tags extends NNFormField
{
	public $type = 'Tags';

protected function getInput()
	{
		$this->params = $this->element->attributes();

$size = (int) $this->get('size');

// assemble items to the array
		$options = array();
		if ($this->get('show_ignore'))
		{
			if (in_array('-1', $this->value))
			{
				$this->value = array('-1');
			}
			$options[] = JHtml::_('select.option', '-1', '- ' . JText::_('NN_IGNORE') . ' -', 'value', 'text', 0);
			$options[] = JHtml::_('select.option', '-', '&nbsp;', 'value', 'text', 1);
		}

$options = array_merge($options, $this->getTags());

require_once dirname(__DIR__) . '/helpers/html.php';

return NNHtml::selectlist($options, $this->name, $this->value, $this->id, $size, 1);
	}

protected function getTags()
	{
		// Get the user groups from the database.
		$query = $this->db->getQuery(true)
			->select('a.id as value, a.title as text, a.parent_id AS parent')
			->from('#__tags AS a')
			->select('COUNT(DISTINCT b.id) - 1 AS level')
			->join('LEFT', '#__tags AS b ON a.lft > b.lft AND a.rgt < b.rgt')
			->where('a.alias <> ' . $this->db->quote('root'))
			->group('a.id')
			->order('a.lft ASC');
		$this->db->setQuery($query);

return $this->db->loadObjectList();
	}
}