Implement the tile layer (Close #3).

src/Netzmacht/Contao/Leaflet/Mapper/Layer/TileLayerMapper.php

@@ -0,0 +1,104 @@
+<?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\Mapper\Layer;
+
+use Netzmacht\Contao\Leaflet\Mapper\DefinitionMapper;
+use Netzmacht\LeafletPHP\Definition;
+use Netzmacht\LeafletPHP\Definition\Raster\TileLayer;
+use Netzmacht\LeafletPHP\Definition\Type\LatLngBounds;
+
+/**
+ * Class TileLayerMapper maps the database model to the tile layer definition.
+ *
+ * @package Netzmacht\Contao\Leaflet\Mapper\Layer
+ */
+class TileLayerMapper extends AbstractLayerMapper
+{
+    /**
+     * The definition class.
+     *
+     * @var string
+     */
+    protected static $definitionClass = 'Netzmacht\LeafletPHP\Definition\Raster\TileLayer';
+
+    /**
+     * The layer type.
+     *
+     * @var string
+     */
+    protected static $type = 'tile';
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function initialize()
+    {
+        parent::initialize();
+
+        $this->optionsBuilder
+            ->addConditionalOption('minZoom')
+            ->addConditionalOption('maxZoom')
+            ->addConditionalOption('maxNativeZoom')
+            ->addConditionalOption('tileSize')
+            ->addConditionalOption('subdomain')
+            ->addConditionalOption('errorTileUrl')
+            ->addOptions('attribution', 'tms', 'continuousWorld', 'noWrap', 'zoomReverse')
+            ->addConditionalOption('zoomOffset')
+            ->addConditionalOption('opacity')
+            ->addOption('zIndex')
+            ->addOptions('unloadvisibleTiles', 'updateWhenIdle', 'detectRetina', 'reuseTiles');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function buildConstructArguments(
+        \Model $model,
+        DefinitionMapper $mapper,
+        LatLngBounds $bounds = null,
+        $elementId = null
+    ) {
+        $arguments = parent::buildConstructArguments($model, $mapper, $bounds, $elementId);
+
+        $arguments[] = $model->tileUrl;
+
+        return $arguments;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function build(
+        Definition $definition,
+        \Model $model,
+        DefinitionMapper $mapper,
+        LatLngBounds $bounds = null,
+        Definition $parent = null
+    ) {
+        parent::build($definition, $model, $mapper, $bounds, $parent);
+
+        /** @var TileLayer $definition */
+        $bounds = deserialize($model->bounds);
+
+        if ($bounds[0] && $bounds[1]) {
+            $bounds = array_map(
+                function ($value) {
+                    return explode(',', $value, 3);
+                },
+                $bounds
+            );
+
+            $bounds = LatLngBounds::fromArray($bounds);
+            $definition->setBounds($bounds);
+        }
+    }
+}