From cade4f39b630c5825ccefab45147e606d3125817 Mon Sep 17 00:00:00 2001
From: SongWei <leo_songwei@outlook.com>
Date: Sun, 16 Feb 2020 20:16:51 +1100
Subject: [PATCH] marker

---
 front/marker.js | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 front/marker.js

diff --git a/front/marker.js b/front/marker.js
new file mode 100644
index 0000000..ba3b131
--- /dev/null
+++ b/front/marker.js
@@ -0,0 +1,40 @@
+import L from 'leaflet';
+
+const icon_types = {
+  "blue": "blue.png",
+  "red": "red.png",
+  "green": "green.png",
+  "purple": "purple.png",
+  "loc_blue": "loc_blue.png",
+  "loc_red": "loc_red.png",
+  "loc_yellow": "loc_yellow.png"
+};
+
+function makeMarker(coord=[0, 0], icon='loc_blue', text='') {
+  let markerIcon = L.icon({
+    iconSize:     [30, 30],
+    iconAnchor:   [15, 15],
+    iconUrl: './marker/' + icon_types[icon]
+  });
+
+  let [x, y] = coord;
+  let marker = L.marker(L.latLng(y, x), {icon: markerIcon});
+  // https://gis.stackexchange.com/questions/59571/how-to-add-text-only-labels-on-leaflet-map-with-no-icon
+  marker.bindTooltip(text, {permanent: true, offset: [15, 0]});
+  return marker;
+}
+
+function makeUnitPos(coord=[0, 0], icon='purple') {
+  let markerIcon = L.icon({
+    iconSize:     [16, 16],
+    iconAnchor:   [8, 8],
+    iconUrl: './marker/' + icon_types[icon]
+  });
+
+  let [x, y] = coord;
+  let marker = L.marker(L.latLng(y, x), {icon: markerIcon});
+  return marker;
+}
+
+export {icon_types, makeMarker, makeUnitPos};
+