From 24c512c1e2918a57bfea60905eb32e9ea3825b20 Mon Sep 17 00:00:00 2001
From: Charlie Meister <charlie.meister@student.hpi.de>
Date: Mon, 23 Dec 2024 19:17:54 +0100
Subject: [PATCH 1/4] only display mag slider if there are multiple mags and
 fix additional axes check

---
 .../view/action-bar/download_modal_view.tsx   | 30 +++++++++++--------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx b/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx
index c7091569432..7f55b9eb1d0 100644
--- a/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx
+++ b/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx
@@ -576,6 +576,8 @@ function _DownloadModalView({
     </>
   );
 
+  const onlyOneMagAvailable = selectedLayerMagInfo.getMagList().length === 1;
+
   const tiffExportTab = (
     <>
       <Row>
@@ -642,7 +644,7 @@ function _DownloadModalView({
             style={{ width: "100%" }}
           />
           {boundingBoxCompatibilityAlerts}
-          {selectedLayerInfos.additionalAxes != null && (
+          {(selectedLayerInfos.additionalAxes?.length || 0) > 0 && (
             <Row>
               <Divider
                 style={{
@@ -670,23 +672,27 @@ function _DownloadModalView({
           >
             Mag
           </Divider>
-          <Row>
-            <Col span={19}>
-              <MagSlider magnificationInfo={selectedLayerMagInfo} value={mag} onChange={setMag} />
-            </Col>
-            <Col
-              span={5}
-              style={{ display: "flex", justifyContent: "flex-end", alignItems: "center" }}
-            >
-              {mag.join("-")}
-            </Col>
-          </Row>
+          {!onlyOneMagAvailable ? (
+            <Row>
+              <Col span={19}>
+                <MagSlider magnificationInfo={selectedLayerMagInfo} value={mag} onChange={setMag} />
+              </Col>
+              <Col
+                span={5}
+                style={{ display: "flex", justifyContent: "flex-end", alignItems: "center" }}
+              >
+                {mag.join("-")}
+              </Col>
+            </Row>
+          ) : null}
           <Text
             style={{
               margin: "0 6px 12px",
               display: "block",
             }}
           >
+            {onlyOneMagAvailable && mag.join("-")}
+            <br />
             Estimated file size:{" "}
             {estimateFileSize(selectedLayer, mag, selectedBoundingBox.boundingBox, exportFormat)}
             <br />

From be14740950afa2369f3f5b37aff203e99e0ed72d Mon Sep 17 00:00:00 2001
From: Charlie Meister <charlie.meister@student.hpi.de>
Date: Mon, 23 Dec 2024 19:28:18 +0100
Subject: [PATCH 2/4] add changelog

---
 CHANGELOG.unreleased.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.unreleased.md b/CHANGELOG.unreleased.md
index 1f0225d766c..c571cbf10d2 100644
--- a/CHANGELOG.unreleased.md
+++ b/CHANGELOG.unreleased.md
@@ -36,6 +36,7 @@ For upgrade instructions, please check the [migration guide](MIGRATIONS.released
 - Fixed some layout issues in the upload view. [#8231](https://github.com/scalableminds/webknossos/pull/8231)
 - Fixed `FATAL: role "postgres" does not exist` error message in Docker compose. [#8240](https://github.com/scalableminds/webknossos/pull/8240)
 - Fixed the Zarr 3 implementation not accepting BytesCodec without "configuration" key. [#8282](https://github.com/scalableminds/webknossos/pull/8282)
+- Removed the magnification slider for the TIFF export within the download modal if only one magnification is available for the selected layer. [#8297](https://github.com/scalableminds/webknossos/pull/8297)
 
 ### Removed
 - Removed support for HTTP API versions 3 and 4. [#8075](https://github.com/scalableminds/webknossos/pull/8075)

From 8b090d20a171e322a8186dc2380f84a2e18e68fa Mon Sep 17 00:00:00 2001
From: Charlie Meister <charlie.meister@student.hpi.de>
Date: Mon, 30 Dec 2024 15:25:31 +0100
Subject: [PATCH 3/4] improve if clause

---
 .../oxalis/view/action-bar/download_modal_view.tsx            | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx b/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx
index 7f55b9eb1d0..11b1540bf67 100644
--- a/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx
+++ b/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx
@@ -672,7 +672,7 @@ function _DownloadModalView({
           >
             Mag
           </Divider>
-          {!onlyOneMagAvailable ? (
+          {!onlyOneMagAvailable && (
             <Row>
               <Col span={19}>
                 <MagSlider magnificationInfo={selectedLayerMagInfo} value={mag} onChange={setMag} />
@@ -684,7 +684,7 @@ function _DownloadModalView({
                 {mag.join("-")}
               </Col>
             </Row>
-          ) : null}
+          )}
           <Text
             style={{
               margin: "0 6px 12px",

From 3a309be1bc8935a42057a87567ed41c9ae81f174 Mon Sep 17 00:00:00 2001
From: Charlie Meister <charlie.meister@student.hpi.de>
Date: Mon, 6 Jan 2025 13:42:18 +0100
Subject: [PATCH 4/4] address review: remove <br />

---
 .../javascripts/oxalis/view/action-bar/download_modal_view.tsx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx b/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx
index 11b1540bf67..4e0713d595d 100644
--- a/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx
+++ b/frontend/javascripts/oxalis/view/action-bar/download_modal_view.tsx
@@ -691,8 +691,7 @@ function _DownloadModalView({
               display: "block",
             }}
           >
-            {onlyOneMagAvailable && mag.join("-")}
-            <br />
+            {onlyOneMagAvailable && <div>{mag.join("-")}</div>}
             Estimated file size:{" "}
             {estimateFileSize(selectedLayer, mag, selectedBoundingBox.boundingBox, exportFormat)}
             <br />