Extract geo json creation to an event subscriber.

2025-12-01 12:33:45 +01:00 · 2015-01-23 13:04:04 +01:00
parent 0a5dc97f4b
commit b53887d78b
6 changed files with 266 additions and 40 deletions
--- a/src/Netzmacht/Contao/Leaflet/Subscriber/GeoJsonSubscriber.php
+++ b/src/Netzmacht/Contao/Leaflet/Subscriber/GeoJsonSubscriber.php
@@ -0,0 +1,133 @@
+<?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\Subscriber;
+
+use Netzmacht\Contao\Leaflet\Dca\Vector;
+use Netzmacht\Contao\Leaflet\Event\ConvertToGeoJsonEvent;
+use Netzmacht\Contao\Leaflet\Model\LayerModel;
+use Netzmacht\Contao\Leaflet\Model\MarkerModel;
+use Netzmacht\Contao\Leaflet\Model\VectorModel;
+use Netzmacht\LeafletPHP\Definition\GeoJson\Feature;
+use Netzmacht\LeafletPHP\Definition\HasPopup;
+use Netzmacht\LeafletPHP\Definition\UI\Marker;
+use Netzmacht\LeafletPHP\Definition\Vector\Circle;
+use Netzmacht\LeafletPHP\Definition\Vector\CircleMarker;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+class GeoJsonSubscriber implements EventSubscriberInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public static function getSubscribedEvents()
+    {
+        return array(
+            ConvertToGeoJsonEvent::NAME => array(
+                array('addPopup'),
+                array('enrichMarker'),
+                array('enrichVector'),
+                array('enrichCircle')
+            )
+        );
+    }
+
+    /**
+     * Add popup property for definitions with an popup.
+     *
+     * @param ConvertToGeoJsonEvent $event The subscribed event.
+     *
+     * @return void
+     */
+    public function addPopup(ConvertToGeoJsonEvent $event)
+    {
+        $feature    = $event->getGeoJson();
+        $definition = $event->getDefinition();
+
+        if ($definition instanceof HasPopup && $feature instanceof Feature) {
+            if ($definition->getPopup()) {
+                $feature->setProperty('popup', $definition->getPopup());
+            }
+
+            if ($definition->getPopupContent()) {
+                $feature->setProperty('popupContent', $definition->getPopupContent());
+            }
+        }
+    }
+
+    /**
+     * @param ConvertToGeoJsonEvent $event
+     */
+    public function enrichMarker(ConvertToGeoJsonEvent $event)
+    {
+        $feature    = $event->getGeoJson();
+        $definition = $event->getDefinition();
+        $model      = $event->getModel();
+
+        if ($definition instanceof Marker && $model instanceof MarkerModel && $feature instanceof Feature) {
+            if ($model->featureData) {
+                $feature->setProperty('data', json_decode($model->featureData, true));
+            }
+
+            if ($model->ignoreForBounds) {
+                $feature->setProperty('ignoreForBounds', true);
+            } else {
+                $parent = LayerModel::findByPk($model->pid);
+
+                if ($parent && !$parent->affectBounds) {
+                    $feature->setProperty('ignoreForBounds', true);
+                }
+            }
+        }
+    }
+
+    /**
+     * @param ConvertToGeoJsonEvent $event
+     */
+    public function enrichVector(ConvertToGeoJsonEvent $event)
+    {
+        $feature    = $event->getGeoJson();
+        $definition = $event->getDefinition();
+        $model      = $event->getModel();
+
+        if ($definition instanceof Vector && $model instanceof VectorModel && $feature instanceof Feature) {
+            if ($model->featureData) {
+                $feature->setProperty('data', json_decode($model->featureData, true));
+            }
+
+            if ($model->ignoreForBounds) {
+                $feature->setProperty('ignoreForBounds', true);
+            } else {
+                $parent = LayerModel::findByPk($model->pid);
+
+                if ($parent && !$parent->affectBounds) {
+                    $feature->setProperty('ignoreForBounds', true);
+                }
+            }
+        }
+    }
+
+    /**
+     * Enrich the the circle with constructor arguments.
+     *
+     * @param ConvertToGeoJsonEvent $event The subscribed events.
+     * @return void
+     */
+    public function enrichCircle(ConvertToGeoJsonEvent $event)
+    {
+        $feature    = $event->getGeoJson();
+        $definition = $event->getDefinition();
+
+        if ($definition instanceof Circle && !$definition instanceof CircleMarker && $feature instanceof Feature) {
+            $feature->setProperty('arguments', array($definition->getLatLng(), $definition->getRadius()));
+        }
+    }
+}