Esri Leaflet extension Basemap Layer. used to easy get different laye…

src/layers/EsriBasemapLayer.php

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+<?php
+namespace dosamigos\leaflet\layers;
+
+use \yii\web\JsExpression;
+
+/**
+ * Esri Leaflet extension basemap Layer wrapper.
+ * Used to easily get different tile layers from ArcGIS withour having to setup TileLayer's with urlTemplates.
+ * possible Basemaps are:
+ *
+ * Streets
+ * Topographic
+ * NationalGeographic
+ * Oceans
+ * Gray
+ * DarkGray
+ * Imagery
+ * ImageryClarity
+ * ImageryFirefly
+ * ShadedRelief
+ * Terrain
+ * USATopo
+ * Physical
+ *
+ * Also there is several helping label layers:
+ *
+ * OceansLabels - Labels to pair with the Oceans basemap
+ * GrayLabels - Labels to pair with the Gray basemap
+ * DarkGrayLabels - Labels to pair with the DarkGray basemap
+ * ImageryLabels - Labels including political boundaries to pair with any Imagery basemap
+ * ImageryTransportation - Street map labels for pairing with any Imagery basemap
+ * ShadedReliefLabels - Labels for pairing with the ShadedRelief basemap
+ * TerrainLabels - Labels for pairing with the Terrain or Physical basemap
+ *
+ * Class EsriBasemapLayer
+ * @package dosamigos\leaflet\layers
+ */
+class EsriBasemapLayer extends Layer {
+    public $basemap = 'Streets';
+
+    public function encode(){
+        $name = $this->getName();
+        $map = $this->map;
+        $js = "L.esri.basemapLayer('{$this->basemap}')" . ($map !== null? ".addTo({$map});":"");
+        if (!empty($name)) {
+            $js = "var $name = $js" . ($map !== null ? "" : ";");
+            $js .= $this->getEvents();
+        }
+        return new JsExpression($js);
+    }
+}