change ref

web/src/components/timeline/EventSegment.tsx

@@ -19,6 +19,7 @@ type MinimapSegmentProps = {
   isLastSegmentInMinimap: boolean;
   alignedMinimapStartTime: number;
   alignedMinimapEndTime: number;
+  firstMinimapSegmentRef: React.MutableRefObject<HTMLDivElement | null>;
 };
 
 type TickSegmentProps = {
@@ -41,11 +42,15 @@ function MinimapBounds({
   isLastSegmentInMinimap,
   alignedMinimapStartTime,
   alignedMinimapEndTime,
+  firstMinimapSegmentRef,
 }: MinimapSegmentProps) {
   return (
     <>
       {isFirstSegmentInMinimap && (
-        <div className="absolute inset-0 -bottom-5 w-full flex items-center justify-center text-xs text-primary font-medium z-20 text-center text-[8px]">
+        <div
+          className="absolute inset-0 -bottom-5 w-full flex items-center justify-center text-xs text-primary font-medium z-20 text-center text-[8px] scroll-mt-8"
+          ref={firstMinimapSegmentRef}
+        >
           {new Date(alignedMinimapStartTime * 1000).toLocaleTimeString([], {
             hour: "2-digit",
             minute: "2-digit",
@@ -185,9 +190,12 @@ export function EventSegment({
     // Check if the first segment is out of view
     const firstSegment = firstMinimapSegmentRef.current;
     if (firstSegment && showMinimap && isFirstSegmentInMinimap) {
-      firstSegment.scrollIntoView({ behavior: "smooth", block: "nearest" });
+      firstSegment.scrollIntoView({
+        behavior: "smooth",
+        block: "center",
+      });
     }
-  }, [showMinimap, isFirstSegmentInMinimap, timestampSpread]);
+  }, [showMinimap, isFirstSegmentInMinimap, events, segmentDuration]);
 
   const segmentClasses = `flex flex-row ${
     showMinimap
@@ -222,6 +230,7 @@ export function EventSegment({
         isLastSegmentInMinimap={isLastSegmentInMinimap}
         alignedMinimapStartTime={alignedMinimapStartTime}
         alignedMinimapEndTime={alignedMinimapEndTime}
+        firstMinimapSegmentRef={firstMinimapSegmentRef}
       />
 
       <Tick
@@ -245,7 +254,6 @@ export function EventSegment({
             <div
               className="mr-3 w-[8px] h-2 flex justify-left items-end"
               data-severity={severityValue}
-              ref={isFirstSegmentInMinimap ? firstMinimapSegmentRef : undefined}
             >
               <div
                 key={`${segmentKey}_${index}_primary_data`}

web/src/pages/UIPlayground.tsx

@@ -61,7 +61,8 @@ function eventsToScrubberItems(events: Event[]): ScrubberItem[] {
 }
 
 const generateRandomEvent = (): ReviewSegment => {
-  const start_time = Math.floor(Date.now() / 1000) - Math.random() * 60 * 60;
+  const start_time =
+    Math.floor(Date.now() / 1000) - 10800 - Math.random() * 60 * 60;
   const end_time = Math.floor(start_time + Math.random() * 60 * 10);
   const severities: ReviewSeverity[] = [
     "significant_motion",
@@ -123,6 +124,23 @@ function UIPlayground() {
     setMockEvents(initialEvents);
   }, []);
 
+  // Calculate minimap start and end times based on events
+  const minimapStartTime = useMemo(() => {
+    if (mockEvents && mockEvents.length > 0) {
+      return Math.min(...mockEvents.map((event) => event.start_time));
+    }
+    return Math.floor(Date.now() / 1000); // Default to current time if no events
+  }, [events]);
+
+  const minimapEndTime = useMemo(() => {
+    if (mockEvents && mockEvents.length > 0) {
+      return Math.max(
+        ...mockEvents.map((event) => event.end_time ?? event.start_time)
+      );
+    }
+    return Math.floor(Date.now() / 1000); // Default to current time if no events
+  }, [events]);
+
   const [zoomLevel, setZoomLevel] = useState(0);
   const [zoomSettings, setZoomSettings] = useState({
     segmentDuration: 60,
@@ -152,6 +170,8 @@ function UIPlayground() {
 
   return (
     <>
+      <div className="absolute left-0 top-12 bottom-0 right-28 flex flex-wrap content-start gap-2 overflow-y-auto no-scrollbar">
+        <div className="relative w-full h-full mt-4 mr-5">
           <Heading as="h2">UI Playground</Heading>
 
           <Heading as="h4" className="my-5">
@@ -186,8 +206,6 @@ function UIPlayground() {
             </div>
           )}
 
-      <div className="flex">
-        <div className="flex-grow">
           <div ref={contentRef}>
             <Heading as="h4" className="my-5">
               Timeline
@@ -229,7 +247,8 @@ function UIPlayground() {
             </div>
           </div>
         </div>
-        <div className="flex-none">
+      </div>
+      <div className="absolute top-12 right-0 bottom-0">
         <EventReviewTimeline
           segmentDuration={zoomSettings.segmentDuration} // seconds per segment
           timestampSpread={zoomSettings.timestampSpread} // minutes between each major timestamp
@@ -239,14 +258,13 @@ function UIPlayground() {
           handlebarTime={handlebarTime} // set the time of the handlebar
           setHandlebarTime={setHandlebarTime} // expose handler to set the handlebar time
           showMinimap // show / hide the minimap
-            minimapStartTime={Math.floor(Date.now() / 1000) - 35 * 60} // start time of the minimap - the earlier time (eg 1:00pm)
+          minimapStartTime={minimapStartTime} // start time of the minimap - the earlier time (eg 1:00pm)
-            minimapEndTime={Math.floor(Date.now() / 1000) - 21 * 60} // end of the minimap - the later time (eg 3:00pm)
+          minimapEndTime={minimapEndTime} // end of the minimap - the later time (eg 3:00pm)
           events={mockEvents} // events, including new has_been_reviewed and severity properties
           severityType={"alert"} // choose the severity type for the middle line - all other severity types are to the right
           contentRef={contentRef} // optional content ref where previews are, can be used for observing/scrolling later
         />
       </div>
-      </div>
     </>
   );
 }