Issue #2999087: Map address lookup

modules/farm/farm_map/farm_map.default_openlayers_controls.inc

@@ -10,6 +10,16 @@
 function farm_map_default_openlayers_controls() {
   $export = array();
 
+  $ol_control = new stdClass();
+  $ol_control->disabled = FALSE; /* Edit this to true to make a default ol_control disabled initially */
+  $ol_control->api_version = 1;
+  $ol_control->machine_name = 'farm_map_control_geocoder';
+  $ol_control->name = 'Farm Map: Geocoder';
+  $ol_control->description = '';
+  $ol_control->factory_service = 'openlayers.Control:OLGeocoder';
+  $ol_control->options = array();
+  $export['farm_map_control_geocoder'] = $ol_control;
+
   $ol_control = new stdClass();
   $ol_control->disabled = FALSE; /* Edit this to true to make a default ol_control disabled initially */
   $ol_control->api_version = 1;

modules/farm/farm_map/farm_map.default_openlayers_maps.inc

@@ -38,11 +38,12 @@ function farm_map_default_openlayers_maps() {
       1 => 'openlayers_control_scaleline',
       2 => 'farm_map_control_layer_switcher',
       3 => 'farm_map_control_geolocate',
+      4 => 'farm_map_control_geocoder',
       /**
        * @todo
        * https://www.drupal.org/node/2543186
        */
-//      4 => 'openlayers_control_fullscreen',
+//      5 => 'openlayers_control_fullscreen',
     ),
     'interactions' => array(
       0 => 'openlayers_interaction_doubleclickzoom',

modules/farm/farm_map/farm_map.info

@@ -37,3 +37,4 @@ features[openlayers_sources][] = farm_map_source_google_hybrid
 features[openlayers_sources][] = farm_map_source_google_satellite
 features[openlayers_sources][] = farm_map_source_google_terrain
 features[openlayers_sources][] = farm_map_source_openstreetmap
+registry_autoload[] = PSR-4

modules/farm/farm_map/src/Plugin/Control/OLGeocoder/OLGeocoder.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * @file
+ * Control: OLGeocoder.
+ */
+
+namespace Drupal\farm_map\Plugin\Control\OLGeocoder;
+
+use Drupal\openlayers\Types\Control;
+use Drupal\openlayers\Types\ObjectInterface;
+
+/**
+ * Class OLGeocoder.
+ *
+ * @OpenlayersPlugin(
+ *  id = "OLGeocoder",
+ *  description = "Geocoder Nominatim for OpenLayers"
+ * )
+ */
+class OLGeocoder extends Control {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function preBuild(array &$build, ObjectInterface $context = NULL) {
+    parent::preBuild($build, $context);
+    $options = array(
+      'type' => 'external',
+      'weight' => 100,
+    );
+    drupal_add_js('https://cdn.jsdelivr.net/npm/ol-geocoder', $options);
+    drupal_add_css('https://cdn.jsdelivr.net/npm/ol-geocoder@latest/dist/ol-geocoder.min.css', $options);
+  }
+}

modules/farm/farm_map/src/Plugin/Control/OLGeocoder/css/OLGeocoder.css

@@ -0,0 +1,3 @@
+.ol-geocoder ul.gcd-gl-result>li {
+  line-height: normal !important;
+}

modules/farm/farm_map/src/Plugin/Control/OLGeocoder/js/OLGeocoder.js

@@ -0,0 +1,17 @@
+Drupal.openlayers.pluginManager.register({
+  fs: 'openlayers.Control:OLGeocoder',
+  init: function(data) {
+    try {
+      var geocoder = new Geocoder('nominatim', {
+        provider: 'osm',
+        placeholder: 'Search for address...',
+        limit: 5,
+        autoComplete: true
+      });
+      data.map.addControl(geocoder);
+    }
+    catch(err) {
+      console.log(err.message);
+    }
+  }
+});