Refactor overpass support using own implementation of overpass layer.

src/Netzmacht/Contao/Leaflet/Definition/Layer/OverpassLayer.php

@@ -0,0 +1,190 @@
+<?php
+
+/**
+ * @package    netzmacht
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2016 netzmacht David Molineus. All rights reserved.
+ * @filesource
+ *
+ */
+
+namespace Netzmacht\Contao\Leaflet\Definition\Layer;
+
+use Netzmacht\JavascriptBuilder\Encoder;
+use Netzmacht\JavascriptBuilder\Type\AnonymousFunction;
+use Netzmacht\JavascriptBuilder\Type\ConvertsToJavascript;
+use Netzmacht\JavascriptBuilder\Type\Expression;
+use Netzmacht\LeafletPHP\Definition\AbstractLayer;
+use Netzmacht\LeafletPHP\Definition\HasOptions;
+use Netzmacht\LeafletPHP\Encoder\EncodeHelperTrait;
+
+/**
+ * Class OverpassLayer provides implementation of https://github.com/kartenkarsten/leaflet-layer-overpass.
+ *
+ * @package Netzmacht\LeafletPHP\Plugins\OverpassLayer
+ */
+class OverpassLayer extends AbstractLayer implements HasOptions, ConvertsToJavascript
+{
+    use EncodeHelperTrait;
+
+    /**
+     * {@inheritdoc}
+     */
+    public static function getType()
+    {
+        return 'OverpassLayer';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public static function getRequiredLibraries()
+    {
+        $libs   = parent::getRequiredLibraries();
+        $libs[] = 'osmtogeojson';
+
+        return $libs;
+    }
+
+    /**
+     * OverpassLayer constructor.
+     *
+     * @param string $identifier Indicator of the layer.
+     * @param array  $options    Options.
+     */
+    public function __construct($identifier, array $options = [])
+    {
+        parent::__construct($identifier);
+
+        $this->setOptions($options);
+    }
+
+    /**
+     * Set the debug mode.
+     *
+     * @param bool $debug Debug mode.
+     *
+     * @return $this
+     */
+    public function setDebug($debug)
+    {
+        return $this->setOption('debug', (bool) $debug);
+    }
+
+    /**
+     * Get debug mode.
+     *
+     * @return bool
+     */
+    public function getDebug()
+    {
+        return $this->getOption('debug', false);
+    }
+
+    /**
+     * Set the query.
+     *
+     * @param string $query Query.
+     *
+     * @return $this
+     */
+    public function setQuery($query)
+    {
+        return $this->setOption('query', $query);
+    }
+
+    /**
+     * Get query.
+     *
+     * @return bool
+     */
+    public function getQuery()
+    {
+        return $this->getOption('query', '(node(BBOX)[organic];node(BBOX)[second_hand];);out qt;');
+    }
+
+    /**
+     * Set the endpoint.
+     *
+     * @param string $endpoint Endpoint.
+     *
+     * @return $this
+     */
+    public function setEndpoint($endpoint)
+    {
+        return $this->setOption('endpoint', $endpoint);
+    }
+
+    /**
+     * Get endpoint.
+     *
+     * @return bool
+     */
+    public function getEndpoint()
+    {
+        return $this->getOption('endpoint', '//overpass-api.de/api/');
+    }
+
+    /**
+     * Set point to layer function.
+     *
+     * @param Expression|AnonymousFunction $function The function callback.
+     *
+     * @return $this
+     */
+    public function setPointToLayer($function)
+    {
+        return $this->setOption('pointToLayer', $function);
+    }
+
+    /**
+     * Set on each feature function.
+     *
+     * @param Expression|AnonymousFunction $function The function callback.
+     *
+     * @return $this
+     */
+    public function setOnEachFeature($function)
+    {
+        return $this->setOption('onEachFeature', $function);
+    }
+
+    /**
+     * Set the minZoom.
+     *
+     * @param int $minZoom MinZoom.
+     *
+     * @return $this
+     */
+    public function setMinZoom($minZoom)
+    {
+        return $this->setOption('minZoom', (int) $minZoom);
+    }
+
+    /**
+     * Get minZoom.
+     *
+     * @return bool
+     */
+    public function getMinZoom()
+    {
+        return $this->getOption('minZoom', 15);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function encode(Encoder $encoder, $flags = null)
+    {
+        $buffer = sprintf (
+            '%s = new L.OverPassLayer(%s)%s',
+            $encoder->encodeReference($this),
+            $encoder->encodeArray($this->getOptions(), JSON_FORCE_OBJECT),
+            $encoder->close($flags)
+        );
+
+        $buffer .= $this->encodeMethodCalls($this->getMethodCalls(), $encoder, $flags);
+
+        return $buffer;
+    }
+}