From 67561e79f15f23a00ad07df36de0ee54d69efc78 Mon Sep 17 00:00:00 2001
From: Mario Lubenka <mario.lubenka@googlemail.com>
Date: Thu, 21 Oct 2021 12:43:26 +0200
Subject: [PATCH] Fix SVG side by side comparison link (#17375)

* Remove swipe-bar z-index

Fixes position of swipe-bar so it does not overlay other UI components when scrolling.

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Unique names for image tabs in pull request

Define unique names for image tabs in pull requests, in order to toggle tabs correctly when multiple are displayed on one page.

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
---
 templates/repo/diff/image_diff.tmpl  | 12 ++++++------
 web_src/less/features/imagediff.less |  1 -
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/templates/repo/diff/image_diff.tmpl b/templates/repo/diff/image_diff.tmpl
index 33fa8c9e2c4..3d100ac9920 100644
--- a/templates/repo/diff/image_diff.tmpl
+++ b/templates/repo/diff/image_diff.tmpl
@@ -6,15 +6,15 @@
 		<div class="image-diff" data-path-before="{{$imagePathOld}}" data-path-after="{{$imagePathNew}}">
 			<div class="ui secondary pointing tabular top attached borderless menu stackable new-menu">
 				<div class="new-menu-inner">
-					<a class="item active" data-tab="diff-side-by-side">{{.root.i18n.Tr "repo.diff.image.side_by_side"}}</a>
+					<a class="item active" data-tab="diff-side-by-side-{{ .file.Index }}">{{.root.i18n.Tr "repo.diff.image.side_by_side"}}</a>
 					{{if and .blobBase .blobHead}}
-					<a class="item" data-tab="diff-swipe">{{.root.i18n.Tr "repo.diff.image.swipe"}}</a>
-					<a class="item" data-tab="diff-overlay">{{.root.i18n.Tr "repo.diff.image.overlay"}}</a>
+					<a class="item" data-tab="diff-swipe-{{ .file.Index }}">{{.root.i18n.Tr "repo.diff.image.swipe"}}</a>
+					<a class="item" data-tab="diff-overlay-{{ .file.Index }}">{{.root.i18n.Tr "repo.diff.image.overlay"}}</a>
 					{{end}}
 				</div>
 			</div>
 			<div class="hide">
-				<div class="ui bottom attached tab image-diff-container active" data-tab="diff-side-by-side">
+				<div class="ui bottom attached tab image-diff-container active" data-tab="diff-side-by-side-{{ .file.Index }}">
 					<div class="diff-side-by-side">
 						{{if .blobBase }}
 						<span class="side">
@@ -49,7 +49,7 @@
 					</div>
 				</div>
 				{{if and .blobBase .blobHead}}
-				<div class="ui bottom attached tab image-diff-container" data-tab="diff-swipe">
+				<div class="ui bottom attached tab image-diff-container" data-tab="diff-swipe-{{ .file.Index }}">
 					<div class="diff-swipe">
 						<div class="swipe-frame">
 							<span class="before-container"><img class="image-before" /></span>
@@ -63,7 +63,7 @@
 						</div>
 					</div>
 				</div>
-				<div class="ui bottom attached tab image-diff-container" data-tab="diff-overlay">
+				<div class="ui bottom attached tab image-diff-container" data-tab="diff-overlay-{{ .file.Index }}">
 					<div class="diff-overlay">
 						<div class="overlay-frame">
 							<div class="ui centered">
diff --git a/web_src/less/features/imagediff.less b/web_src/less/features/imagediff.less
index f38ea98d7de..55a67c6ec85 100644
--- a/web_src/less/features/imagediff.less
+++ b/web_src/less/features/imagediff.less
@@ -54,7 +54,6 @@
       }
 
       .swipe-bar {
-        z-index: 100;
         position: absolute;
         height: 100%;
         top: 0;