* * For the full copyright and license information, please read the LICENSE * file that was distributed with this source code. */ namespace Ivory\GoogleMap\Helper; /** * Google Map API helper. * * @author GeLo */ class ApiHelper extends AbstractHelper { /** @var boolean */ protected $loaded; /** * Creates a Google Map API helper. */ public function __construct() { parent::__construct(); $this->loaded = false; } /** * Checks/Sets if the API is already loaded. * * @param boolean $loaded TRUE if the API is already loaded else FALSE. * * @return boolean TRUE if the API is already loaded else FALSE. */ public function isLoaded($loaded = null) { if ($loaded !== null) { $this->loaded = (bool) $loaded; } return $this->loaded; } /** * Renders the API. * * @param string $language The language. * @param array $libraries Additionnal libraries. * @param string $callback A JS callback. * @param string $api_key Google Browser API key for the map * * @return string The HTML output. */ public function render( $language = 'en', array $libraries = array(), $callback = null, $api_key = null ) { $otherParameters = array(); if (!empty($libraries)) { $otherParameters['libraries'] = implode(',', $libraries); } $otherParameters['language'] = $language; // Google Maps API warning: NoApiKeys https://developers.google.com/maps/documentation/javascript/error-messages#no-api-keys if (!is_null($api_key)) { $otherParameters['key'] = $api_key; } $this->jsonBuilder ->reset() ->setValue('[other_params]', urldecode(http_build_query($otherParameters))); if ($callback !== null) { $this->jsonBuilder->setValue('[callback]', $callback, false); } $callbackFunction = 'load_ivory_google_map_api'; $url = sprintf('//www.google.com/jsapi?callback=%s', $callbackFunction); $loader = sprintf('google.load("maps", "3", %s);', $this->jsonBuilder->build()); $output = array(); $output[] = ''.PHP_EOL; $output[] = sprintf(''.PHP_EOL, $url); $this->loaded = true; return implode('', $output); } }