Implement a file layer for gpx,kml,wkt support.

2017-10-17 16:50:29 +02:00
parent 31a5cc40a5
commit d1f26056e9
9 changed files with 170 additions and 1 deletions
--- a/src/Mapper/Layer/FileLayerMapper.php
+++ b/src/Mapper/Layer/FileLayerMapper.php
@@ -0,0 +1,136 @@
+<?php
+
+/**
+ * Leaflet maps for Contao CMS.
+ *
+ * @package    contao-leaflet-maps
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2014-2017 netzmacht David Molineus. All rights reserved.
+ * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-maps/blob/master/LICENSE
+ * @filesource
+ */
+
+declare(strict_types=1);
+
+namespace Netzmacht\Contao\Leaflet\Mapper\Layer;
+
+use Contao\FilesModel;
+use Contao\Model;
+use Netzmacht\Contao\Leaflet\Mapper\DefinitionMapper;
+use Netzmacht\Contao\Leaflet\Request\Request;
+use Netzmacht\JavascriptBuilder\Type\Expression;
+use Netzmacht\LeafletPHP\Definition;
+use Netzmacht\LeafletPHP\Definition\Group\FeatureGroup;
+use Netzmacht\LeafletPHP\Definition\Group\GeoJson;
+use Netzmacht\LeafletPHP\Plugins\Omnivore\Gpx;
+use Netzmacht\LeafletPHP\Plugins\Omnivore\Kml;
+use Netzmacht\LeafletPHP\Plugins\Omnivore\OmnivoreLayer;
+use Netzmacht\LeafletPHP\Plugins\Omnivore\Wkt;
+
+/**
+ * Class FileLayerMapper.
+ *
+ * @package Netzmacht\Contao\Leaflet\Mapper\Layer
+ */
+class FileLayerMapper extends AbstractLayerMapper
+{
+    /**
+     * The definition type.
+     *
+     * @var string
+     */
+    protected static $type = 'file';
+
+    /**
+     * Class of the model being build.
+     *
+     * @var string
+     */
+    protected static $definitionClass = FeatureGroup::class;
+
+    /**
+     * {@inheritDoc}
+     */
+    public function handle(
+        $model,
+        DefinitionMapper $mapper,
+        Request $request = null,
+        $elementId = null,
+        Definition $parent = null
+    ) {
+        $fileModel  = FilesModel::findByPk($model->file);
+        $definition = $this->createInstance($model, $mapper, $request, $elementId, $fileModel);
+
+        $this->optionsBuilder->build($definition, $model);
+        $this->build($definition, $model, $mapper, $request, $parent);
+
+        return $definition;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function createInstance(
+        Model $model,
+        DefinitionMapper $mapper,
+        Request $request = null,
+        $elementId = null,
+        FilesModel $fileModel = null
+    ) {
+        $layerId = $this->getElementId($model, $elementId);
+
+        if ($fileModel instanceof FilesModel && $fileModel->type === 'file') {
+            switch ($fileModel->extension) {
+                case 'gpx':
+                    $layer = new Gpx($layerId, $fileModel->path, []);
+                    break;
+
+                case 'kml':
+                    $layer = new Kml($layerId, $fileModel->path, []);
+                    break;
+
+                case 'wkt':
+                    $layer = new Wkt($layerId, $fileModel->path, []);
+                    break;
+
+                default:
+                    return parent::createInstance($model, $mapper, $request, $elementId);
+            }
+
+            $customId    = $layerId . '_data';
+            $customLayer = new GeoJson($customId);
+
+            $layer->setCustomLayer($customLayer);
+
+            return $layer;
+        }
+
+        return parent::createInstance($model, $mapper, $request, $elementId);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function build(
+        Definition $definition,
+        Model $model,
+        DefinitionMapper $mapper,
+        Request $request = null,
+        Definition $parent = null
+    ) {
+        if (!$definition instanceof OmnivoreLayer) {
+            return;
+        }
+
+        $customLayer = $definition->getCustomLayer();
+        if ($customLayer instanceof GeoJson) {
+            if ($model->pointToLayer) {
+                $customLayer->setPointToLayer(new Expression($model->pointToLayer));
+            }
+
+            if ($model->onEachFeature) {
+                $customLayer->setOnEachFeature(new Expression($model->onEachFeature));
+            }
+        }
+    }
+}