static function exists()
{
if (isset(self::$k2_exists)) {
return self::$k2_exists;
}
//self::$k2_exists = JComponentHelper::isEnabled('com_k2', true); // this generates a warning when K2 is missing
/*if (!self::$k2_exists) {
$lang = JFactory::getLanguage();
$lang->load('lib_syw', JPATH_ADMINISTRATOR);
JFactory::getApplication()->enqueueMessage(JText::_('LIB_SYW_DISCARD_MESSAGE'), 'warning');
}*/
self::$k2_exists = true;
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->select('extension_id AS id, element AS "option", params, enabled');
$query->from('#__extensions');
$query->where($query->qn('type') . ' = ' . $db->quote('component'));
$query->where($query->qn('element') . ' = ' . $db->quote('com_k2'));
$db->setQuery($query);
$cache = JFactory::getCache('_system', 'callback');
$k2_component = $cache->get(array($db, 'loadObject'), null, 'com_k2', false);
if ($error = $db->getErrorMsg() || empty($k2_component)) {
self::$k2_exists = false;
}
return self::$k2_exists;
}
public function getControlGroup()
{
//$folder = JPATH_ROOT.'/components/com_k2';
//if (JFolder::exists($folder)) {
if (SYWK2::exists()) {
return parent::getControlGroup();
}
return '';
}
public function getOptions()
{
$options = array();
if (isset($this->element['show_root'])) {
array_unshift($options, JHtml::_('select.option', '0', JText::_('JGLOBAL_ROOT')));
}
//$folder = JPATH_ROOT.'/components/com_k2';
//if (JFolder::exists($folder)) {
if (SYWK2::exists()) {
$db = JFactory::getDBO();
$query = $db->getQuery(true);
$query->select('k2cat.*');
$query->from('#__k2_categories AS k2cat');
$query->where('k2cat.published=1');
$query->where('k2cat.trash=0');
$query->order('k2cat.parent');
$db->setQuery($query);
if ($error = $db->getErrorMsg()) {
throw new Exception($error);
}
$categories = $db->loadObjectList();
$children = array();
if ($categories != "") {
if ($categories) {
foreach ($categories as $category) {
$category->title = $category->name;
$category->parent_id = $category->parent;
$parent = $category->parent;
$list = @$children[$parent] ? $children[$parent] : array();
array_push($list, $category);
$children[$parent] = $list;
}
}
$list = JHTML::_('menu.treerecurse', 0, '', array(), $children, 9999, 0, 0);
foreach ($list as $item) {
$options[] = JHTML::_('select.option', $item->id, $item->treename);
}
}
}
// Merge any additional options in the XML definition.
$options = array_merge(parent::getOptions(), $options);
return $options;
}
protected function getOptions()
{
$options = array();
if (SYWK2::exists()) {
$db = JFactory::getDBO();
$query = $db->getQuery(true);
$query->select('a.*');
$query->from('#__k2_tags a');
$query->where('a.published = 1');
$db->setQuery($query);
try {
$items = $db->loadObjectList();
} catch (RuntimeException $e) {
return false;
}
foreach ($items as $item) {
$options[] = JHTML::_('select.option', $item->id, $item->name);
}
}
// Merge any additional options in the XML definition.
$options = array_merge(parent::getOptions(), $options);
return $options;
}
