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|
"use client";
import { cn } from "@/lib/utils";
import { Tab, tabs, useMediaPanelStore } from "./store";
import { Button } from "@/components/ui/button";
import { ChevronRight, ChevronLeft } from "lucide-react";
import { useRef, useState, useEffect } from "react";
export function TabBar() {
const { activeTab, setActiveTab } = useMediaPanelStore();
const scrollContainerRef = useRef<HTMLDivElement>(null);
const [isAtEnd, setIsAtEnd] = useState(false);
const [isAtStart, setIsAtStart] = useState(true);
const scrollToEnd = () => {
if (scrollContainerRef.current) {
scrollContainerRef.current.scrollTo({
left: scrollContainerRef.current.scrollWidth,
});
setIsAtEnd(true);
setIsAtStart(false);
}
};
const scrollToStart = () => {
if (scrollContainerRef.current) {
scrollContainerRef.current.scrollTo({
left: 0,
});
setIsAtStart(true);
setIsAtEnd(false);
}
};
const checkScrollPosition = () => {
if (scrollContainerRef.current) {
const { scrollLeft, scrollWidth, clientWidth } =
scrollContainerRef.current;
const isAtEndNow = scrollLeft + clientWidth >= scrollWidth - 1;
const isAtStartNow = scrollLeft <= 1;
setIsAtEnd(isAtEndNow);
setIsAtStart(isAtStartNow);
}
};
// We're using useEffect because we need to sync with external DOM scroll events
useEffect(() => {
const container = scrollContainerRef.current;
if (!container) return;
checkScrollPosition();
container.addEventListener("scroll", checkScrollPosition);
const resizeObserver = new ResizeObserver(checkScrollPosition);
resizeObserver.observe(container);
return () => {
container.removeEventListener("scroll", checkScrollPosition);
resizeObserver.disconnect();
};
}, []);
return (
<div className="flex pt-4">
<ScrollButton
direction="left"
onClick={scrollToStart}
isVisible={!isAtStart}
/>
<div
ref={scrollContainerRef}
className="h-full px-4 flex flex-col justify-start items-center gap-5 overflow-x-auto scrollbar-x-hidden relative w-full"
>
{(Object.keys(tabs) as Tab[]).map((tabKey) => {
const tab = tabs[tabKey];
return (
<div
className={cn(
"flex flex-col gap-0.5 items-center cursor-pointer",
activeTab === tabKey ? "text-primary" : "text-muted-foreground"
)}
onClick={() => setActiveTab(tabKey)}
key={tabKey}
>
<tab.icon className="size-[1.1rem]!" />
</div>
);
})}
</div>
<ScrollButton
direction="right"
onClick={scrollToEnd}
isVisible={!isAtEnd}
/>
</div>
);
}
function ScrollButton({
direction,
onClick,
isVisible,
}: {
direction: "left" | "right";
onClick: () => void;
isVisible: boolean;
}) {
if (!isVisible) return null;
const Icon = direction === "left" ? ChevronLeft : ChevronRight;
return (
<div className="bg-panel-accent w-12 h-full flex items-center justify-center">
<Button
size="icon"
className="rounded-[0.4rem] w-4 h-7 bg-foreground/10!"
onClick={onClick}
>
<Icon className="size-4! text-foreground" />
</Button>
</div>
);
}
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