/*
 * 1. Setup the encoder
 */

// The event dispatcher
$dispatcher = new \Symfony\Component\EventDispatcher\EventDispatcher();

// All encoders are event subscribers.
$dispatcher->addSubscriber(new Netzmacht\LeafletPHP\Encoder\ControlEncoder());
$dispatcher->addSubscriber(new Netzmacht\LeafletPHP\Encoder\GroupEncoder());
$dispatcher->addSubscriber(new Netzmacht\LeafletPHP\Encoder\MapEncoder());
$dispatcher->addSubscriber(new Netzmacht\LeafletPHP\Encoder\RasterEncoder());
$dispatcher->addSubscriber(new Netzmacht\LeafletPHP\Encoder\TypeEncoder());
$dispatcher->addSubscriber(new Netzmacht\LeafletPHP\Encoder\UIEncoder());
$dispatcher->addSubscriber(new Netzmacht\LeafletPHP\Encoder\VectorEncoder());

// Create a custom factory for the javascript builder which uses the event dispatcher.
// The order of the registered encoders are important! Only change if you know what you do.
$factory = function(Output $output) use ($dispatcher) {
    $encoder = new ChainEncoder();

    $encoder
        ->register(new \Netzmacht\JavascriptBuilder\Encoder\MultipleObjectsEncoder())
        ->register(new \Netzmacht\JavascriptBuilder\Symfony\EventDispatchingEncoder($dispatcher))
        ->register(new \Netzmacht\JavascriptBuilder\Encoder\JavascriptEncoder($output));

    return $encoder;
}; 

$builder = new \Netzmacht\JavascriptBuilder\Builder($factory);
$leaflet = new \Netzmacht\LeafletPHP\leaflet($builder, $dispatcher);

/*
 * 2. Create the map definitions
 */
$map = new \Netzmacht\LeafletPHP\Definition\Map('html_id', 'map');
$map
  ->setZoom(12)
  ->addControl(...)
  ->addLayer(...);
  
/*
 * 3. Build the javascript
 */

// Will return javascript with following local vars: "map", "layers", "controls", "icons".
echo $leaflet->build($map);