Make definition mapper independent of the data format.

src/Netzmacht/Contao/Leaflet/Event/GetHashEvent.php

@@ -0,0 +1,82 @@
+<?php
+
+/**
+ * @package    dev
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2015 netzmacht creative David Molineus
+ * @license    LGPL 3.0
+ * @filesource
+ *
+ */
+
+namespace Netzmacht\Contao\Leaflet\Event;
+
+use Symfony\Component\EventDispatcher\Event;
+
+/**
+ * Class GetHashEvent is emitted then a hash for a data object with an unknown type is required.
+ *
+ * @package Netzmacht\Contao\Leaflet\Event
+ */
+class GetHashEvent extends Event
+{
+    const NAME = 'leaflet.get-hash';
+
+    /**
+     * The data.
+     *
+     * @var mixed
+     */
+    private $data;
+
+    /**
+     * The hash.
+     *
+     * @var string
+     */
+    private $hash;
+
+    /**
+     * Construct.
+     *
+     * @param mixed $data The data.
+     */
+    public function __construct($data)
+    {
+        $this->data = $data;
+    }
+
+    /**
+     * Get the data.
+     *
+     * @return mixed
+     */
+    public function getData()
+    {
+        return $this->data;
+    }
+
+    /**
+     * Get the hash.
+     *
+     * @return string
+     */
+    public function getHash()
+    {
+        return $this->hash;
+    }
+
+    /**
+     * Set the generated hash.
+     *
+     * @param string $hash The generated hash.
+     *
+     * @return $this
+     */
+    public function setHash($hash)
+    {
+        $this->hash = (string) $hash;
+
+        return $this;
+    }
+}