tag.php
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<?php
/**
* @package Joomla.Libraries
* @subpackage HTML
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('JPATH_PLATFORM') or die;
use Joomla\Utilities\ArrayHelper;
/**
* Utility class for tags
*
* @since 3.1
*/
abstract class JHtmlTag
{
/**
* Cached array of the tag items.
*
* @var array
* @since 3.1
*/
protected static $items = array();
/**
* Returns an array of tags.
*
* @param array $config An array of configuration options. By default, only
* published and unpublished categories are returned.
*
* @return array
*
* @since 3.1
*/
public static function options($config = array('filter.published' => array(0, 1)))
{
$hash = md5(serialize($config));
if (!isset(static::$items[$hash]))
{
$config = (array) $config;
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->select('a.id, a.title, a.level')
->from('#__tags AS a')
->where('a.parent_id > 0');
// Filter on the published state
if (isset($config['filter.published']))
{
if (is_numeric($config['filter.published']))
{
$query->where('a.published = ' . (int) $config['filter.published']);
}
elseif (is_array($config['filter.published']))
{
$config['filter.published'] = ArrayHelper::toInteger($config['filter.published']);
$query->where('a.published IN (' . implode(',', $config['filter.published']) . ')');
}
}
// Filter on the language
if (isset($config['filter.language']))
{
if (is_string($config['filter.language']))
{
$query->where('a.language = ' . $db->quote($config['filter.language']));
}
elseif (is_array($config['filter.language']))
{
foreach ($config['filter.language'] as &$language)
{
$language = $db->quote($language);
}
$query->where('a.language IN (' . implode(',', $config['filter.language']) . ')');
}
}
$query->order('a.lft');
$db->setQuery($query);
$items = $db->loadObjectList();
// Assemble the list options.
static::$items[$hash] = array();
foreach ($items as &$item)
{
$repeat = ($item->level - 1 >= 0) ? $item->level - 1 : 0;
$item->title = str_repeat('- ', $repeat) . $item->title;
static::$items[$hash][] = JHtml::_('select.option', $item->id, $item->title);
}
}
return static::$items[$hash];
}
/**
* Returns an array of tags.
*
* @param array $config An array of configuration options. By default, only published and unpublished tags are returned.
*
* @return array Tag data
*
* @since 3.1
*/
public static function tags($config = array('filter.published' => array(0, 1)))
{
$hash = md5(serialize($config));
$config = (array) $config;
$db = JFactory::getDbo();
$query = $db->getQuery(true)
->select('a.id, a.title, a.level, a.parent_id')
->from('#__tags AS a')
->where('a.parent_id > 0');
// Filter on the published state
if (isset($config['filter.published']))
{
if (is_numeric($config['filter.published']))
{
$query->where('a.published = ' . (int) $config['filter.published']);
}
elseif (is_array($config['filter.published']))
{
$config['filter.published'] = ArrayHelper::toInteger($config['filter.published']);
$query->where('a.published IN (' . implode(',', $config['filter.published']) . ')');
}
}
$query->order('a.lft');
$db->setQuery($query);
$items = $db->loadObjectList();
// Assemble the list options.
static::$items[$hash] = array();
foreach ($items as &$item)
{
$repeat = ($item->level - 1 >= 0) ? $item->level - 1 : 0;
$item->title = str_repeat('- ', $repeat) . $item->title;
static::$items[$hash][] = JHtml::_('select.option', $item->id, $item->title);
}
return static::$items[$hash];
}
/**
* This is just a proxy for the formbehavior.ajaxchosen method
*
* @param string $selector DOM id of the tag field
* @param boolean $allowCustom Flag to allow custom values
*
* @return void
*
* @since 3.1
*/
public static function ajaxfield($selector = '#jform_tags', $allowCustom = true)
{
// Get the component parameters
$params = JComponentHelper::getParams('com_tags');
$minTermLength = (int) $params->get('min_term_length', 3);
$displayData = array(
'minTermLength' => $minTermLength,
'selector' => $selector,
'allowCustom' => JFactory::getUser()->authorise('core.create', 'com_tags') ? $allowCustom : false,
);
JLayoutHelper::render('joomla.html.tag', $displayData);
return;
}
}