From 944f2e6ef09a1534bac061acca2e3b3a4c13b13a Mon Sep 17 00:00:00 2001
From: SimonBrazell <simon@brazell.com.au>
Date: Sun, 10 Jan 2021 22:04:03 +1100
Subject: Restructure code with helper modules, add search engine settings, &
 advanced settings collapsibles.

---
 src/assets/javascripts/helpers/google-maps.js | 43 +++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 src/assets/javascripts/helpers/google-maps.js

(limited to 'src/assets/javascripts/helpers/google-maps.js')

diff --git a/src/assets/javascripts/helpers/google-maps.js b/src/assets/javascripts/helpers/google-maps.js
new file mode 100644
index 0000000..3a041c6
--- /dev/null
+++ b/src/assets/javascripts/helpers/google-maps.js
@@ -0,0 +1,43 @@
+export default class {
+  static targets = /https?:\/\/(((www|maps)\.)?(google\.).*(\/maps)|maps\.(google\.).*)/;
+  static redirects = ["https://openstreetmap.org"];
+  static mapCentreRegex = /@(-?\d[0-9.]*),(-?\d[0-9.]*),(\d{1,2})[.z]/;
+  static dataLatLngRegex = /(!3d|!4d)(-?[0-9]{1,10}.[0-9]{1,10})/g;
+  static placeRegex = /\/place\/(.*)\//;
+  static travelModes = {
+    driving: "fossgis_osrm_car",
+    walking: "fossgis_osrm_foot",
+    bicycling: "fossgis_osrm_bike",
+    transit: "fossgis_osrm_car", // not implemented on OSM, default to car.
+  };
+  static layers = {
+    none: "S",
+    transit: "T",
+    traffic: "S", // not implemented on OSM, default to standard.
+    bicycling: "C",
+  };
+  static addressToLatLng(address, callback) {
+    const xmlhttp = new XMLHttpRequest();
+    xmlhttp.onreadystatechange = () => {
+      if (xmlhttp.readyState === XMLHttpRequest.DONE) {
+        if (xmlhttp.status === 200) {
+          const json = JSON.parse(xmlhttp.responseText)[0];
+          if (json) {
+            callback(
+              `${json.lat}%2C${json.lon}`,
+              `${json.boundingbox[2]},${json.boundingbox[1]},${json.boundingbox[3]},${json.boundingbox[0]}`
+            );
+          }
+        } else {
+          console.info("Error: Status is " + xmlhttp.status);
+        }
+      }
+    };
+    xmlhttp.open(
+      "GET",
+      `https://nominatim.openstreetmap.org/search/${address}?format=json&limit=1`,
+      false
+    );
+    xmlhttp.send();
+  }
+}
-- 
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