Files
nexus-hub/components/Draggable/Draggable.tsx
2025-03-22 17:15:35 +00:00

115 lines
3.4 KiB
TypeScript

"use client";
import "@/app/globals.css";
import _ from "lodash";
import { useDraggable } from "@dnd-kit/core";
import { useEffect, useRef, useState } from "react";
import { nearestMultiple } from "./utils";
import PreviewStore from "@/stores/previewStore";
import { useWidgets } from "@/hooks/useWidgets";
export default function Draggable(props: DraggablePropsType) {
const targetRef = useRef<HTMLDivElement>(null);
const timerRef = useRef<NodeJS.Timeout>(null);
const [size, setSize] = useState({ width: 16, height: 16 });
const { id, widgetsId, data, x, y, width:_width, height:_height } = props;
const [width, setWidth] = useState(_width);
const [height, setHeight] = useState(_height);
const {widgets, widgetsLibrary} = useWidgets();
const { attributes, listeners, setNodeRef, transform } = useDraggable({
id,
data: props
});
const style = transform
? {
transform: `translate3d(${transform.x}px, ${transform.y}px, 0)`,
opacity: 0.6,
}
: {};
useEffect(() => {
const element = targetRef.current;
if (!element) return;
const observer = new ResizeObserver(
_.throttle((entries: any) => {
for (const entry of entries) {
const { width, height } = entry.contentRect;
setSize({
width: nearestMultiple(width),
height: nearestMultiple(height),
});
const x = nearestMultiple(element.offsetLeft);
const y = nearestMultiple(element.offsetTop);
PreviewStore.changePreviewX(x);
PreviewStore.changePreviewY(y);
PreviewStore.changePreviewWidth(nearestMultiple(width));
PreviewStore.changePreviewHeight(nearestMultiple(height));
if (timerRef.current) {
clearTimeout(timerRef.current);
}
timerRef.current = setTimeout(() => {
setWidth(nearestMultiple(width));
setHeight(nearestMultiple(height));
PreviewStore.clearPreview();
}, 500);
}
}, 300),
);
observer.observe(element);
return () => {
observer.disconnect();
};
}, []);
const className = transform ? "shadow-xl absolute w-min min-w-[128px] min-h-[128px]" : "absolute w-min resize overflow-hidden min-w-[128px] min-h-[128px]";
return (
<div className={className} ref={(el) => {
setNodeRef(el); // DnD 的 ref
(targetRef as React.MutableRefObject<HTMLDivElement | null>).current = el;
}} style={{
top: y,
left: x,
width: width,
height: height,
...style,
}} {...attributes}>
<button
className="btn absolute top-1 right-1 z-40 btn-square btn-soft"
{...listeners}
onMouseDown={(e) => e.stopPropagation()}
>
<svg
xmlns="http://www.w3.org/2000/svg"
fill="none"
viewBox="0 0 24 24"
strokeWidth={1.5}
stroke="currentColor"
className="size-6 pointer-events-none"
>
<path
strokeLinecap="round"
strokeLinejoin="round"
d="M3.75 9h16.5m-16.5 6.75h16.5"
/>
</svg>
</button>
{widgetsLibrary[widgetsId] && widgetsLibrary[widgetsId](data ?? {})}
</div>
);
}
export type DraggablePropsType = {
id: string;
widgetsId: string;
data?: Record<string, unknown>;
x: number;
y: number;
width: number;
height: number;
};