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|
"use client";
import { AspectRatio } from "@/components/ui/aspect-ratio";
import { Button } from "@/components/ui/button";
import { ReactNode, useState, useRef, useEffect } from "react";
import { createPortal } from "react-dom";
import { Plus } from "lucide-react";
import { cn } from "@/lib/utils";
// Create the empty image once, outside the component
const emptyImg = new Image();
emptyImg.src =
"data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs=";
export interface DraggableMediaItemProps {
name: string;
preview: ReactNode;
dragData: Record<string, any>;
onDragStart?: (e: React.DragEvent) => void;
aspectRatio?: number;
className?: string;
showPlusOnDrag?: boolean;
showLabel?: boolean;
rounded?: boolean;
}
export function DraggableMediaItem({
name,
preview,
dragData,
onDragStart,
aspectRatio = 16 / 9,
className = "",
showPlusOnDrag = true,
showLabel = true,
rounded = true,
}: DraggableMediaItemProps) {
const [isDragging, setIsDragging] = useState(false);
const [dragPosition, setDragPosition] = useState({ x: 0, y: 0 });
const dragRef = useRef<HTMLDivElement>(null);
useEffect(() => {
if (!isDragging) return;
const handleDragOver = (e: DragEvent) => {
setDragPosition({ x: e.clientX, y: e.clientY });
};
document.addEventListener("dragover", handleDragOver);
return () => {
document.removeEventListener("dragover", handleDragOver);
};
}, [isDragging]);
const handleDragStart = (e: React.DragEvent) => {
e.dataTransfer.setDragImage(emptyImg, 0, 0);
// Set drag data
e.dataTransfer.setData(
"application/x-media-item",
JSON.stringify(dragData)
);
e.dataTransfer.effectAllowed = "copy";
// Set initial position and show custom drag preview
setDragPosition({ x: e.clientX, y: e.clientY });
setIsDragging(true);
onDragStart?.(e);
};
const handleDragEnd = () => {
setIsDragging(false);
};
return (
<>
<div ref={dragRef} className="relative group">
<Button
variant="outline"
className={`flex flex-col gap-1 p-0 h-auto w-full relative border-none !bg-transparent cursor-default ${className}`}
>
<AspectRatio
ratio={aspectRatio}
className={cn(
"bg-accent relative overflow-hidden",
rounded && "rounded-md",
"[&::-webkit-drag-ghost]:opacity-0" // Webkit-specific ghost hiding
)}
draggable={true}
onDragStart={handleDragStart}
onDragEnd={handleDragEnd}
>
{preview}
{!isDragging && (
<PlusButton className="opacity-0 group-hover:opacity-100" />
)}
</AspectRatio>
{showLabel && (
<span
className="text-[0.7rem] text-muted-foreground truncate w-full text-left"
aria-label={name}
title={name}
>
{name.length > 8
? `${name.slice(0, 16)}...${name.slice(-3)}`
: name}
</span>
)}
</Button>
</div>
{/* Custom drag preview */}
{isDragging &&
typeof document !== "undefined" &&
createPortal(
<div
className="fixed pointer-events-none z-[9999]"
style={{
left: dragPosition.x - 40, // Center the preview (half of 80px)
top: dragPosition.y - 40, // Center the preview (half of 80px)
}}
>
<div className="w-[80px]">
<AspectRatio
ratio={1}
className="relative rounded-md overflow-hidden shadow-2xl ring ring-primary"
>
<div className="w-full h-full [&_img]:w-full [&_img]:h-full [&_img]:object-cover [&_img]:rounded-none">
{preview}
</div>
{showPlusOnDrag && <PlusButton />}
</AspectRatio>
</div>
</div>,
document.body
)}
</>
);
}
function PlusButton({ className }: { className?: string }) {
return (
<Button
size="icon"
className={cn("absolute bottom-2 right-2 size-4", className)}
>
<Plus className="!size-3" />
</Button>
);
}
|
