/**
* @param null $useChain
*
* @return Geocoder
*/
protected function instance($useChain = NULL)
{
if (!isset($this->_geocoder) or NULL !== $useChain) {
// Initializing Geocoder
$this->_geocoder = new \Geocoder\Geocoder();
if ($useChain && count($this->_providers) > 1) {
$this->_geocoder->registerProvider(new \Geocoder\Provider\ChainProvider($this->_providers));
} else {
$this->_geocoder->registerProviders($this->_providers);
}
}
return $this->_geocoder;
}
/**
* Constructs a geocoder and builds providers from plugin settings
*/
function __construct()
{
if (!isset(self::$adapter)) {
self::$adapter = new GuzzleHttpAdapter();
}
if (!isset(self::$providers)) {
self::$providers = array_filter(array($this->buildFreeGeoIpProvider()));
}
if (!count(self::$providers)) {
elgg_add_admin_notice('geo:providers', elgg_echo('geo:providers:none'));
} else {
if (!isset(self::$geocoder)) {
$geocoder = new Geocoder();
$geocoder->registerProviders(self::$providers);
self::$geocoder = $geocoder;
}
}
}
/**
* Registers a set of providers.
*
* @param \Geocoder\ProviderInterface[] $providers
* @return \Geocoder\GeocoderInterface
* @static
*/
public static function registerProviders($providers = array())
{
return \Geocoder\Geocoder::registerProviders($providers);
}
