From 79b9d32a2feccb50325108cff00805eb5f59afe0 Mon Sep 17 00:00:00 2001
From: Anton Khorev <tony29@yandex.ru>
Date: Tue, 27 May 2025 17:11:28 +0300
Subject: [PATCH] Add "Scroll to changeset" context menu item to history pages

---
 .../javascripts/index/history-changesets-layer.js | 15 ++++++++++++++-
 app/assets/javascripts/index/history.js           |  4 ++++
 config/locales/en.yml                             |  1 +
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/index/history-changesets-layer.js b/app/assets/javascripts/index/history-changesets-layer.js
index d65e8e276..4572b420b 100644
--- a/app/assets/javascripts/index/history-changesets-layer.js
+++ b/app/assets/javascripts/index/history-changesets-layer.js
@@ -5,7 +5,20 @@ OSM.HistoryChangesetBboxLayer = L.FeatureGroup.extend({
 
   addChangesetLayer: function (changeset) {
     const style = this._getChangesetStyle(changeset);
-    const rectangle = L.rectangle(changeset.bounds, style);
+    const rectangle = L.rectangle(changeset.bounds, {
+      ...style,
+      contextmenu: true,
+      contextmenuItems: [{
+        text: OSM.i18n.t("javascripts.context.scroll_to_changeset"),
+        callback: () => {
+          this.fire("requestscrolltochangeset", { id: changeset.id }, true);
+        },
+        index: 0
+      }, {
+        separator: true,
+        index: 1
+      }]
+    });
     rectangle.id = changeset.id;
     return this.addLayer(rectangle);
   },
diff --git a/app/assets/javascripts/index/history.js b/app/assets/javascripts/index/history.js
index 3e6520d78..f3b2be170 100644
--- a/app/assets/javascripts/index/history.js
+++ b/app/assets/javascripts/index/history.js
@@ -28,6 +28,10 @@ OSM.History = function (map) {
     })
     .on("click", function (e) {
       clickChangeset(e.layer.id, e.originalEvent);
+    })
+    .on("requestscrolltochangeset", function (e) {
+      const [item] = $(`#changeset_${e.id}`);
+      item?.scrollIntoView({ block: "nearest", behavior: "smooth" });
     });
 
   let changesetIntersectionObserver;
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 388f6adfd..e8ffb911b 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -3437,6 +3437,7 @@ en:
       show_address: Show address
       query_features: Query features
       centre_map: Centre map here
+      scroll_to_changeset: Scroll to changeset
     home:
       marker_title: My home location
       not_set: Home location is not set for your account
-- 
2.39.5