From c5129082b7c54caecf0f1512191bb57b283cdab8 Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Thu, 30 Mar 2023 11:44:07 +0800
Subject: [PATCH] fix: prevent scrolling when switching between tabs

---
 web/app/controllers/problem.php      | 12 ++++++++++--
 web/app/controllers/super_manage.php | 23 +++++++----------------
 web/app/views/contest-backstage.php  |  8 +++++++-
 3 files changed, 24 insertions(+), 19 deletions(-)

diff --git a/web/app/controllers/problem.php b/web/app/controllers/problem.php
index a3a1eee..1b9b4ea 100644
--- a/web/app/controllers/problem.php
+++ b/web/app/controllers/problem.php
@@ -580,10 +580,18 @@ if (UOJContest::cur()) {
 
 		// Change hash for page-reload
 		$('.nav-pills a').on('shown.bs.tab', function(e) {
+			var hash = e.target.hash;
+
 			if (e.target.hash == '#statement') {
-				window.location.hash = '';
+				hash = '#';
+			}
+
+			if (window.history.pushState) {
+				// Update the address bar
+				window.history.pushState({}, '', hash);
 			} else {
-				window.location.hash = e.target.hash;
+				// Fallback for the old browsers which do not have `history.pushState()`
+				window.location.hash = hash;
 			}
 		});
 	});
diff --git a/web/app/controllers/super_manage.php b/web/app/controllers/super_manage.php
index c576e83..f39c980 100644
--- a/web/app/controllers/super_manage.php
+++ b/web/app/controllers/super_manage.php
@@ -1340,21 +1340,6 @@ if ($cur_tab == 'index') {
 					</div>
 				</div>
 			</div>
-
-			<script>
-				$(document).ready(function() {
-					// Javascript to enable link to tab
-					var hash = location.hash.replace(/^#/, '');
-					if (hash) {
-						bootstrap.Tab.jQueryInterface.call($('.nav-tabs a[href="#' + hash + '"]'), 'show').blur();
-					}
-
-					// Change hash for page-reload
-					$('.nav-tabs a').on('shown.bs.tab', function(e) {
-						window.location.hash = e.target.hash;
-					});
-				});
-			</script>
 		<?php elseif ($cur_tab == 'users') : ?>
 			<div class="card mt-3 mt-md-0">
 				<div class="card-header">
@@ -1791,7 +1776,13 @@ EOD;
 
 		// Change hash for page-reload
 		$('.nav-tabs a').on('shown.bs.tab', function(e) {
-			window.location.hash = e.target.hash;
+			if (window.history.pushState) {
+				// Update the address bar
+				window.history.pushState({}, '', e.target.hash);
+			} else {
+				// Fallback for the old browsers which do not have `history.pushState()`
+				window.location.hash = e.target.hash;
+			}
 		});
 	});
 </script>
diff --git a/web/app/views/contest-backstage.php b/web/app/views/contest-backstage.php
index 4b25088..3035a1d 100644
--- a/web/app/views/contest-backstage.php
+++ b/web/app/views/contest-backstage.php
@@ -47,7 +47,13 @@ $(document).ready(function() {
 
 	// Change hash for page-reload
 	$('.nav-tabs a').on('shown.bs.tab', function(e) {
-		window.location.hash = e.target.hash;
+		if (window.history.pushState) {
+			// Update the address bar
+			window.history.pushState({}, '', e.target.hash);
+		} else {
+			// Fallback for the old browsers which do not have `history.pushState()`
+			window.location.hash = e.target.hash;
+		}
 	});
 });
 </script>