Add Stimulus Map and Taxonomy (WIP)

This commit add StimulusJS interaction for the map
and taxonomy, as well as styling.

It provides preliminary work to hook up live data on the map
from the taxonomy.

1 files changed, 49 insertions, 0 deletions

diff --git a/app/javascript/controllers/map_controller.js b/app/javascript/controllers/map_controller.js
new file mode 100644
index 0000000..5363e5e
--- /dev/null
+++ b/app/javascript/controllers/map_controller.js
@@ -0,0 +1,49 @@
+// SPDX-FileCopyrightText: 2020 IN COMMON Collective <collective@incommon.cc>
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+// Visit The Stimulus Handbook for more details
+// https://stimulusjs.org/handbook/introduction
+//
+
+import { Controller } from "stimulus"
+import L from "leaflet"
+import "leaflet/dist/leaflet.css"
+
+export default class extends Controller {
+    static targets = [ "container" ]
+
+    initialize() {
+        console.log("Map controller initialized.")
+    }
+
+    connect() {
+        this.map = L.map(this.containerTarget, {
+            zoomDelta: 0.5,
+            zoomSnap: 0.5,
+        }).setView(this._coordinates(), this._zoom());
+
+        L.tileLayer('https://api.mapbox.com/styles/v1/{id}/tiles/{z}/{x}/{y}?access_token={accessToken}', {
+		        attribution: 'Map data &copy; <a href="https://www.openstreetmap.org/">OpenStreetMap</a> contributors, <a href="https://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery <a href="https://www.mapbox.com/">Mapbox</a>',
+		        maxZoom: 18,
+		        id: 'mapbox/streets-v11',
+		        tileSize: 512,
+		        zoomOffset: -1,
+		        accessToken: 'pk.eyJ1IjoibmVtYWVsIiwiYSI6ImNrZzBrYjBudTB3bnMyenFmNWtrN3h3bmMifQ.Rkeyhm-9iIQOV7NAMA5LaA'
+        }).addTo(this.map);
+    }
+
+    disconnect() {
+        this.map.remove();
+        console.log('Map controller disconnected.')
+    }
+
+    _coordinates() {
+        return [this.data.get('latitude'), this.data.get('longitude')];
+    }
+
+    _zoom() {
+        return this.data.get('zoom');
+    }
+
+}