56 lines
2.1 KiB
TypeScript
56 lines
2.1 KiB
TypeScript
"use client"
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import { type PointerEvent } from "react"
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import { useReactFlow } from "@xyflow/react"
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/** 节点右边缘 resize 把手：手写 pointer 事件改 node.width，自适应 viewport zoom，不走 xyflow NodeResizeControl（在 glass-node overflow:hidden 下不工作）。 */
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export function ResizeRight({ minWidth = 240, maxWidth = 1200 }: { minWidth?: number; maxWidth?: number }) {
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const { setNodes, getZoom } = useReactFlow()
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const onPointerDown = (e: PointerEvent<HTMLDivElement>) => {
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console.log("[ResizeRight] pointerDown", e.clientX, e.clientY)
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e.preventDefault()
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e.stopPropagation()
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const target = e.currentTarget
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const nodeEl = target.closest(".react-flow__node") as HTMLElement | null
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const nodeId = nodeEl?.getAttribute("data-id")
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console.log("[ResizeRight] nodeId", nodeId)
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if (!nodeId || !nodeEl) return
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target.setPointerCapture(e.pointerId)
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const startX = e.clientX
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const zoom = getZoom() || 1
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const startWidth = parseFloat(getComputedStyle(nodeEl).width) / zoom
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const onMove = (ev: globalThis.PointerEvent) => {
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const dx = (ev.clientX - startX) / zoom
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const next = Math.max(minWidth, Math.min(maxWidth, startWidth + dx))
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console.log("[ResizeRight] move", dx, next)
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setNodes((nodes) => nodes.map((n) => (n.id === nodeId ? { ...n, width: next, style: { ...n.style, width: next } } : n)))
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}
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const onUp = () => {
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console.log("[ResizeRight] up")
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window.removeEventListener("pointermove", onMove)
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window.removeEventListener("pointerup", onUp)
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try { target.releasePointerCapture(e.pointerId) } catch {}
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}
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window.addEventListener("pointermove", onMove)
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window.addEventListener("pointerup", onUp)
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}
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return (
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<div
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onPointerDown={onPointerDown}
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title="拖动调整宽度"
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className="nodrag absolute z-20 hover:bg-violet-400/60 active:bg-violet-400/80 transition rounded-r"
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style={{
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right: 0,
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top: 12,
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bottom: 12,
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width: 6,
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cursor: "ew-resize",
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touchAction: "none",
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}}
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/>
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)
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}
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