Ongoing development.

src/Netzmacht/Contao/Leaflet/Subscriber/BootSubscriber.php

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+<?php
+
+/**
+ * @package    dev
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2014 netzmacht creative David Molineus
+ * @license    LGPL 3.0
+ * @filesource
+ *
+ */
+
+namespace Netzmacht\Contao\Leaflet\Subscriber;
+
+use ContaoCommunityAlliance\Contao\EventDispatcher\EventDispatcherInitializer;
+use Netzmacht\Contao\Leaflet\Event\GetJavascriptEvent;
+use Netzmacht\Contao\Leaflet\Event\InitializeDefinitionMapperEvent;
+use Netzmacht\Contao\Leaflet\Event\InitializeEventDispatcherEvent;
+use Netzmacht\Contao\Leaflet\Event\InitializeLeafletBuilderEvent;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Class BootSubscriber
+ *
+ * @package Netzmacht\Contao\Leaflet\Subscriber
+ */
+class BootSubscriber implements EventSubscriberInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static function getSubscribedEvents()
+    {
+        return array(
+            InitializeDefinitionMapperEvent::NAME => 'initializeDefinitionMapper',
+            InitializeEventDispatcherEvent::NAME  => 'initializeEventDispatcher',
+            InitializeLeafletBuilderEvent::NAME   => 'initializeLeafletBuilder',
+            GetJavascriptEvent::NAME              => 'loadAssets'
+        );
+    }
+
+    /**
+     * Create and register all configured mappers.
+     *
+     * @param InitializeDefinitionMapperEvent $event The subscribed event.
+     *
+     * @return void
+     *
+     * @SuppressWarnings(PHPMD.Superglobals)
+     */
+    public function initializeDefinitionMapper(InitializeDefinitionMapperEvent $event)
+    {
+        $mapper = $event->getDefinitionMapper();
+
+        foreach ($GLOBALS['LEAFLET_MAPPERS'] as $className) {
+            if (is_array($className)) {
+                $mapper->register(new $className[0], $className[1]);
+            } else {
+                $mapper->register(new $className());
+            }
+        }
+    }
+
+    /**
+     * Register all leaflet encoders.
+     *
+     * @param InitializeEventDispatcherEvent $event The subscribed event.
+     *
+     * @return void
+     *
+     * @SuppressWarnings(PHPMD.Superglobals)
+     */
+    public function initializeEventDispatcher(InitializeEventDispatcherEvent $event)
+    {
+        $dispatcher  = $event->getEventDispatcher();
+        $initializer = new EventDispatcherInitializer();
+
+        $initializer->addSubscribers($dispatcher, $GLOBALS['LEAFLET_ENCODERS']);
+    }
+
+    /**
+     * Register all libraries assets.
+     *
+     * @param InitializeLeafletBuilderEvent $event The subscribed event.
+     *
+     * @return void
+     *
+     * @SuppressWarnings(PHPMD.Superglobals)
+     */
+    public function initializeLeafletBuilder(InitializeLeafletBuilderEvent $event)
+    {
+        $builder = $event->getBuilder();
+
+        foreach ($GLOBALS['LEAFLET_ASSETS'] as $name => $assets) {
+            if (!empty($assets['css'])) {
+                foreach ($assets['css'] as $javascript) {
+                    $builder->registerStylesheet($name, $javascript[0], $javascript[1]);
+                }
+            }
+
+            if (!empty($assets['javascript'])) {
+                foreach ($assets['javascript'] as $javascript) {
+                    $builder->registerJavascript($name, $javascript[0], $javascript[1]);
+                }
+            }
+        }
+    }
+
+    /**
+     * Load Contao leaflet assets.
+     *
+     * @return void
+     */
+    public function loadAssets()
+    {
+        $GLOBALS['TL_JAVASCRIPT'][] = 'system/modules/leaflet/assets/js/contao-leaflet.js';
+    }
+}

src/Netzmacht/Contao/Leaflet/Subscriber/EncoderSubscriber.php

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+<?php
+
+/**
+ * @package    dev
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2014 netzmacht creative David Molineus
+ * @license    LGPL 3.0
+ * @filesource
+ *
+ */
+
+namespace Netzmacht\Contao\Leaflet\Subscriber;
+
+use Netzmacht\Javascript\Event\BuildEvent;
+use Netzmacht\LeafletPHP\Definition\Map;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Class EncoderSubscriber subscribes to the internal encoding event dispatcher.
+ *
+ * @package Netzmacht\Contao\Leaflet\Subscriber
+ */
+class EncoderSubscriber implements EventSubscriberInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static function getSubscribedEvents()
+    {
+        return array(
+            BuildEvent::NAME => array(
+                array('startWrapper', 1000),
+                array('addAttribution'),
+                array('endWrapper', -1000)
+            )
+        );
+    }
+
+    /**
+     * Add contao-leaflet attribution.
+     *
+     * @param BuildEvent $event
+     */
+    public function addAttribution(BuildEvent $event)
+    {
+        $object = $event->getObject();
+
+        if ($object instanceof Map) {
+            $attribution = <<<HTML
+map.attributionControl.addAttribution(
+    '<a href="http://www.netzmacht.de/contao-leaflet">netzmacht <em>creative</em></a>'
+);
+HTML;
+            $event->getOutput()->addLine($attribution);
+
+            $event->getOutput()->addLine("var tileLayer = new L.TileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { attribution: \"test\"});
+tileLayer.addTo(map);");
+        }
+    }
+
+    /**
+     * Start the wrapper.
+     *
+     * The encoded map is wrapped so that it is added to window.ContaoLeaflet. You can subscribe the
+     * "mapadded" event on window.ContaoLeaflet if you can to do some customize stuff.
+     *
+     * @param BuildEvent $event The subscribed event.
+     *
+     * @return void
+     */
+    public function startWrapper(BuildEvent $event)
+    {
+        $object = $event->getObject();
+
+        if ($object instanceof Map) {
+            $line = sprintf('window.ContaoLeaflet.addMap(\'%s\', (function() {', $object->getId());
+            $event->getOutput()->addLine($line);
+        }
+    }
+
+    /**
+     * End the wrapper.
+     *
+     * @param BuildEvent $event The subscribed event.
+     *
+     * @return void
+     */
+    public function endWrapper(BuildEvent $event)
+    {
+        $object = $event->getObject();
+
+        if ($object instanceof Map) {
+            $line = 'return map; })());';
+            $event->getOutput()->addLine($line);
+        }
+    }
+}