From dad6bca7530f0f7d240dc21d3369cf71edcf41bb Mon Sep 17 00:00:00 2001
From: Anton Khorev <tony29@yandex.ru>
Date: Mon, 19 Aug 2024 18:50:27 +0300
Subject: [PATCH] Install endpoint listeners using enable/disable methods

---
 .../javascripts/index/directions-endpoint.js  | 24 ++++++++++++++-----
 app/assets/javascripts/index/directions.js    |  6 +++++
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/app/assets/javascripts/index/directions-endpoint.js b/app/assets/javascripts/index/directions-endpoint.js
index d111eca35..a9dc68305 100644
--- a/app/assets/javascripts/index/directions-endpoint.js
+++ b/app/assets/javascripts/index/directions-endpoint.js
@@ -14,24 +14,36 @@ OSM.DirectionsEndpoint = function Endpoint(map, input, iconUrl, dragCallback, ch
     autoPan: true
   });
 
-  endpoint.marker.on("drag dragend", function (e) {
+  endpoint.enable = function () {
+    endpoint.marker.on("drag dragend", markerDragListener);
+    input.on("keydown", inputKeydownListener);
+    input.on("change", inputChangeListener);
+  };
+
+  endpoint.disable = function () {
+    endpoint.marker.off("drag dragend", markerDragListener);
+    input.off("keydown", inputKeydownListener);
+    input.off("change", inputChangeListener);
+  };
+
+  function markerDragListener(e) {
     var latlng = e.target.getLatLng();
 
     setLatLng(latlng);
     setInputValueFromLatLng(latlng);
     endpoint.value = input.val();
     dragCallback(e.type === "drag");
-  });
+  }
 
-  input.on("keydown", function () {
+  function inputKeydownListener() {
     input.removeClass("is-invalid");
-  });
+  }
 
-  input.on("change", function (e) {
+  function inputChangeListener(e) {
     // make text the same in both text boxes
     var value = e.target.value;
     endpoint.setValue(value);
-  });
+  }
 
   endpoint.setValue = function (value, latlng) {
     endpoint.value = value;
diff --git a/app/assets/javascripts/index/directions.js b/app/assets/javascripts/index/directions.js
index 3f78c7089..e0463ef8d 100644
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -289,6 +289,9 @@ OSM.Directions = function (map) {
       endpoints[type === "from" ? 0 : 1].setValue(value, ll);
     });
 
+    endpoints[0].enable();
+    endpoints[1].enable();
+
     var params = Qs.parse(location.search.substring(1)),
         route = (params.route || "").split(";"),
         from = route[0] && L.latLng(route[0].split(",")),
@@ -317,6 +320,9 @@ OSM.Directions = function (map) {
     $(".directions_form").hide();
     $("#map").off("dragend dragover drop");
 
+    endpoints[0].disable();
+    endpoints[1].disable();
+
     map
       .removeLayer(popup)
       .removeLayer(polyline)
-- 
2.39.5