540 lines
18 KiB
JavaScript
540 lines
18 KiB
JavaScript
'use client';
|
||
|
||
import { useState, useEffect, useMemo, useRef } from 'react';
|
||
import { fetchFundHistory } from '../api/fund';
|
||
import { motion, AnimatePresence } from 'framer-motion';
|
||
import { ChevronIcon } from './Icons';
|
||
import {
|
||
Chart as ChartJS,
|
||
CategoryScale,
|
||
LinearScale,
|
||
PointElement,
|
||
LineElement,
|
||
Title,
|
||
Tooltip,
|
||
Legend,
|
||
Filler
|
||
} from 'chart.js';
|
||
import { Line } from 'react-chartjs-2';
|
||
import {cachedRequest} from "../lib/cacheRequest";
|
||
|
||
ChartJS.register(
|
||
CategoryScale,
|
||
LinearScale,
|
||
PointElement,
|
||
LineElement,
|
||
Title,
|
||
Tooltip,
|
||
Legend,
|
||
Filler
|
||
);
|
||
|
||
export default function FundTrendChart({ code, isExpanded, onToggleExpand, transactions = [] }) {
|
||
const [range, setRange] = useState('1m');
|
||
const [data, setData] = useState([]);
|
||
const [loading, setLoading] = useState(false);
|
||
const [error, setError] = useState(null);
|
||
const chartRef = useRef(null);
|
||
const hoverTimeoutRef = useRef(null);
|
||
|
||
useEffect(() => {
|
||
// If collapsed, don't fetch data unless we have no data yet
|
||
if (!isExpanded && data.length > 0) return;
|
||
|
||
let active = true;
|
||
setLoading(true);
|
||
setError(null);
|
||
const cacheKey = `fund_history_${code}_${range}`;
|
||
|
||
if (isExpanded) {
|
||
cachedRequest(
|
||
() => fetchFundHistory(code, range),
|
||
cacheKey,
|
||
{ cacheTime: 10 * 60 * 1000 }
|
||
)
|
||
.then(res => {
|
||
if (active) {
|
||
setData(res || []);
|
||
setLoading(false);
|
||
}
|
||
})
|
||
.catch(err => {
|
||
if (active) {
|
||
setError(err);
|
||
setLoading(false);
|
||
}
|
||
});
|
||
|
||
}
|
||
return () => { active = false; };
|
||
}, [code, range, isExpanded, data.length]);
|
||
|
||
const ranges = [
|
||
{ label: '近1月', value: '1m' },
|
||
{ label: '近3月', value: '3m' },
|
||
{ label: '近6月', value: '6m' },
|
||
{ label: '近1年', value: '1y' },
|
||
{ label: '近3年', value: '3y'}
|
||
];
|
||
|
||
const change = useMemo(() => {
|
||
if (!data.length) return 0;
|
||
const first = data[0].value;
|
||
const last = data[data.length - 1].value;
|
||
return ((last - first) / first) * 100;
|
||
}, [data]);
|
||
|
||
// Red for up, Green for down (CN market style)
|
||
// Hardcoded hex values from globals.css for Chart.js
|
||
const upColor = '#f87171'; // --danger，与折线图红色一致
|
||
const downColor = '#34d399'; // --success
|
||
const lineColor = change >= 0 ? upColor : downColor;
|
||
const primaryColor = typeof document !== 'undefined' ? (getComputedStyle(document.documentElement).getPropertyValue('--primary').trim() || '#22d3ee') : '#22d3ee';
|
||
|
||
const chartData = useMemo(() => {
|
||
// Calculate percentage change based on the first data point
|
||
const firstValue = data.length > 0 ? data[0].value : 1;
|
||
const percentageData = data.map(d => ((d.value - firstValue) / firstValue) * 100);
|
||
|
||
// Map transaction dates to chart indices
|
||
const dateToIndex = new Map(data.map((d, i) => [d.date, i]));
|
||
const buyPoints = new Array(data.length).fill(null);
|
||
const sellPoints = new Array(data.length).fill(null);
|
||
|
||
transactions.forEach(t => {
|
||
// Simple date matching (assuming formats match)
|
||
// If formats differ, dayjs might be needed
|
||
const idx = dateToIndex.get(t.date);
|
||
if (idx !== undefined) {
|
||
const val = percentageData[idx];
|
||
if (t.type === 'buy') {
|
||
buyPoints[idx] = val;
|
||
} else {
|
||
sellPoints[idx] = val;
|
||
}
|
||
}
|
||
});
|
||
|
||
return {
|
||
labels: data.map(d => d.date),
|
||
datasets: [
|
||
{
|
||
type: 'line',
|
||
label: '涨跌幅',
|
||
data: percentageData,
|
||
borderColor: lineColor,
|
||
backgroundColor: (context) => {
|
||
const ctx = context.chart.ctx;
|
||
const gradient = ctx.createLinearGradient(0, 0, 0, 200);
|
||
gradient.addColorStop(0, `${lineColor}33`); // 20% opacity
|
||
gradient.addColorStop(1, `${lineColor}00`); // 0% opacity
|
||
return gradient;
|
||
},
|
||
borderWidth: 2,
|
||
pointRadius: 0,
|
||
pointHoverRadius: 4,
|
||
fill: true,
|
||
tension: 0.2,
|
||
order: 2
|
||
},
|
||
{
|
||
type: 'line', // Use line type with showLine: false to simulate scatter on Category scale
|
||
label: '买入',
|
||
data: buyPoints,
|
||
borderColor: '#ffffff',
|
||
borderWidth: 1,
|
||
backgroundColor: primaryColor,
|
||
pointStyle: 'circle',
|
||
pointRadius: 2.5,
|
||
pointHoverRadius: 4,
|
||
showLine: false,
|
||
order: 1
|
||
},
|
||
{
|
||
type: 'line',
|
||
label: '卖出',
|
||
data: sellPoints,
|
||
borderColor: '#ffffff',
|
||
borderWidth: 1,
|
||
backgroundColor: upColor,
|
||
pointStyle: 'circle',
|
||
pointRadius: 2.5,
|
||
pointHoverRadius: 4,
|
||
showLine: false,
|
||
order: 1
|
||
}
|
||
]
|
||
};
|
||
}, [data, lineColor, transactions, primaryColor]);
|
||
|
||
const options = useMemo(() => {
|
||
return {
|
||
responsive: true,
|
||
maintainAspectRatio: false,
|
||
plugins: {
|
||
legend: {
|
||
display: false
|
||
},
|
||
tooltip: {
|
||
enabled: false, // 禁用默认 Tooltip，使用自定义绘制
|
||
mode: 'index',
|
||
intersect: false,
|
||
external: () => {} // 禁用外部 HTML tooltip
|
||
}
|
||
},
|
||
scales: {
|
||
x: {
|
||
display: true,
|
||
grid: {
|
||
display: false,
|
||
drawBorder: false
|
||
},
|
||
ticks: {
|
||
color: '#9ca3af',
|
||
font: { size: 10 },
|
||
maxTicksLimit: 4,
|
||
maxRotation: 0
|
||
},
|
||
border: { display: false }
|
||
},
|
||
y: {
|
||
display: true,
|
||
position: 'left',
|
||
grid: {
|
||
color: '#1f2937',
|
||
drawBorder: false,
|
||
tickLength: 0
|
||
},
|
||
ticks: {
|
||
color: '#9ca3af',
|
||
font: { size: 10 },
|
||
count: 5,
|
||
callback: (value) => `${value.toFixed(2)}%`
|
||
},
|
||
border: { display: false }
|
||
}
|
||
},
|
||
interaction: {
|
||
mode: 'index',
|
||
intersect: false,
|
||
},
|
||
onHover: (event, chartElement, chart) => {
|
||
const target = event?.native?.target;
|
||
const currentChart = chart || chartRef.current;
|
||
if (!currentChart) return;
|
||
|
||
const tooltipActive = currentChart.tooltip?._active ?? [];
|
||
const activeElements = currentChart.getActiveElements
|
||
? currentChart.getActiveElements()
|
||
: [];
|
||
const hasActive =
|
||
(chartElement && chartElement.length > 0) ||
|
||
(tooltipActive && tooltipActive.length > 0) ||
|
||
(activeElements && activeElements.length > 0);
|
||
|
||
if (target) {
|
||
target.style.cursor = hasActive ? 'crosshair' : 'default';
|
||
}
|
||
|
||
// 仅用于桌面端 hover 改变光标，不在这里做 2 秒清除，避免移动端 hover 事件不稳定
|
||
},
|
||
onClick: () => {}
|
||
};
|
||
}, []);
|
||
|
||
useEffect(() => {
|
||
return () => {
|
||
if (hoverTimeoutRef.current) {
|
||
clearTimeout(hoverTimeoutRef.current);
|
||
}
|
||
};
|
||
}, []);
|
||
|
||
const plugins = useMemo(() => [{
|
||
id: 'crosshair',
|
||
afterEvent: (chart, args) => {
|
||
const { event, replay } = args || {};
|
||
if (!event || replay) return; // 忽略动画重放
|
||
|
||
const type = event.type;
|
||
if (type === 'mousemove' || type === 'click') {
|
||
if (hoverTimeoutRef.current) {
|
||
clearTimeout(hoverTimeoutRef.current);
|
||
hoverTimeoutRef.current = null;
|
||
}
|
||
|
||
hoverTimeoutRef.current = setTimeout(() => {
|
||
if (!chart) return;
|
||
chart.setActiveElements([]);
|
||
if (chart.tooltip) {
|
||
chart.tooltip.setActiveElements([], { x: 0, y: 0 });
|
||
}
|
||
chart.update();
|
||
}, 2000);
|
||
}
|
||
},
|
||
afterDraw: (chart) => {
|
||
const ctx = chart.ctx;
|
||
const datasets = chart.data.datasets;
|
||
const primaryColor = getComputedStyle(document.documentElement).getPropertyValue('--primary').trim() || '#22d3ee';
|
||
|
||
// 绘制圆角矩形（兼容无 roundRect 的环境）
|
||
const drawRoundRect = (left, top, w, h, r) => {
|
||
const rad = Math.min(r, w / 2, h / 2);
|
||
ctx.beginPath();
|
||
ctx.moveTo(left + rad, top);
|
||
ctx.lineTo(left + w - rad, top);
|
||
ctx.quadraticCurveTo(left + w, top, left + w, top + rad);
|
||
ctx.lineTo(left + w, top + h - rad);
|
||
ctx.quadraticCurveTo(left + w, top + h, left + w - rad, top + h);
|
||
ctx.lineTo(left + rad, top + h);
|
||
ctx.quadraticCurveTo(left, top + h, left, top + h - rad);
|
||
ctx.lineTo(left, top + rad);
|
||
ctx.quadraticCurveTo(left, top, left + rad, top);
|
||
ctx.closePath();
|
||
};
|
||
|
||
const drawPointLabel = (datasetIndex, index, text, bgColor, textColor = '#ffffff', yOffset = 0) => {
|
||
const meta = chart.getDatasetMeta(datasetIndex);
|
||
if (!meta.data[index]) return;
|
||
const element = meta.data[index];
|
||
if (element.skip) return;
|
||
|
||
const x = element.x;
|
||
const y = element.y + yOffset;
|
||
const paddingH = 10;
|
||
const paddingV = 6;
|
||
const radius = 8;
|
||
|
||
ctx.save();
|
||
ctx.font = 'bold 11px sans-serif';
|
||
const textW = ctx.measureText(text).width;
|
||
const w = textW + paddingH * 2;
|
||
const h = 18;
|
||
const left = x - w / 2;
|
||
const top = y - 24;
|
||
|
||
drawRoundRect(left, top, w, h, radius);
|
||
ctx.globalAlpha = 0.7;
|
||
ctx.fillStyle = bgColor;
|
||
ctx.fill();
|
||
|
||
ctx.globalAlpha = 0.7;
|
||
ctx.fillStyle = textColor;
|
||
ctx.textAlign = 'center';
|
||
ctx.textBaseline = 'middle';
|
||
ctx.fillText(text, x, top + h / 2);
|
||
ctx.restore();
|
||
};
|
||
|
||
// Resolve active elements (hover/focus) first — used to decide whether to show default labels
|
||
let activeElements = [];
|
||
if (chart.tooltip?._active?.length) {
|
||
activeElements = chart.tooltip._active;
|
||
} else {
|
||
activeElements = chart.getActiveElements();
|
||
}
|
||
|
||
// 1. Draw default labels for first buy and sell points only when NOT focused/hovering
|
||
// Index 1 is Buy, Index 2 is Sell
|
||
if (!activeElements?.length && datasets[1] && datasets[1].data) {
|
||
const firstBuyIndex = datasets[1].data.findIndex(v => v !== null && v !== undefined);
|
||
if (firstBuyIndex !== -1) {
|
||
let sellIndex = -1;
|
||
if (datasets[2] && datasets[2].data) {
|
||
sellIndex = datasets[2].data.findIndex(v => v !== null && v !== undefined);
|
||
}
|
||
const isCollision = (firstBuyIndex === sellIndex);
|
||
drawPointLabel(1, firstBuyIndex, '买入', primaryColor, '#ffffff', isCollision ? -20 : 0);
|
||
}
|
||
}
|
||
if (!activeElements?.length && datasets[2] && datasets[2].data) {
|
||
const firstSellIndex = datasets[2].data.findIndex(v => v !== null && v !== undefined);
|
||
if (firstSellIndex !== -1) {
|
||
drawPointLabel(2, firstSellIndex, '卖出', '#f87171');
|
||
}
|
||
}
|
||
|
||
// 2. Handle active elements (hover crosshair)
|
||
if (activeElements && activeElements.length) {
|
||
const activePoint = activeElements[0];
|
||
const x = activePoint.element.x;
|
||
const y = activePoint.element.y;
|
||
const topY = chart.scales.y.top;
|
||
const bottomY = chart.scales.y.bottom;
|
||
const leftX = chart.scales.x.left;
|
||
const rightX = chart.scales.x.right;
|
||
|
||
ctx.save();
|
||
ctx.beginPath();
|
||
ctx.setLineDash([3, 3]);
|
||
ctx.lineWidth = 1;
|
||
ctx.strokeStyle = '#9ca3af';
|
||
|
||
// Draw vertical line
|
||
ctx.moveTo(x, topY);
|
||
ctx.lineTo(x, bottomY);
|
||
|
||
// Draw horizontal line (based on first point - usually the main line)
|
||
ctx.moveTo(leftX, y);
|
||
ctx.lineTo(rightX, y);
|
||
|
||
ctx.stroke();
|
||
|
||
// Draw labels
|
||
ctx.font = '10px sans-serif';
|
||
ctx.textAlign = 'center';
|
||
ctx.textBaseline = 'middle';
|
||
|
||
// Draw Axis Labels based on the first point (main line)
|
||
const datasetIndex = activePoint.datasetIndex;
|
||
const index = activePoint.index;
|
||
|
||
const labels = chart.data.labels;
|
||
|
||
if (labels && datasets && datasets[datasetIndex] && datasets[datasetIndex].data) {
|
||
const dateStr = labels[index];
|
||
const value = datasets[datasetIndex].data[index];
|
||
|
||
if (dateStr !== undefined && value !== undefined) {
|
||
// X axis label (date)
|
||
const textWidth = ctx.measureText(dateStr).width + 8;
|
||
ctx.fillStyle = primaryColor;
|
||
ctx.fillRect(x - textWidth / 2, bottomY, textWidth, 16);
|
||
ctx.fillStyle = '#0f172a'; // --background
|
||
ctx.fillText(dateStr, x, bottomY + 8);
|
||
|
||
// Y axis label (value)
|
||
const valueStr = (typeof value === 'number' ? value.toFixed(2) : value) + '%';
|
||
const valWidth = ctx.measureText(valueStr).width + 8;
|
||
ctx.fillStyle = primaryColor;
|
||
ctx.fillRect(leftX, y - 8, valWidth, 16);
|
||
ctx.fillStyle = '#0f172a'; // --background
|
||
ctx.textAlign = 'center';
|
||
ctx.fillText(valueStr, leftX + valWidth / 2, y);
|
||
}
|
||
}
|
||
|
||
// Check for collision between Buy (1) and Sell (2) in active elements
|
||
const activeBuy = activeElements.find(e => e.datasetIndex === 1);
|
||
const activeSell = activeElements.find(e => e.datasetIndex === 2);
|
||
const isCollision = activeBuy && activeSell && activeBuy.index === activeSell.index;
|
||
|
||
// Iterate through all active points to find transaction points and draw their labels
|
||
activeElements.forEach(element => {
|
||
const dsIndex = element.datasetIndex;
|
||
// Only for transaction datasets (index > 0)
|
||
if (dsIndex > 0 && datasets[dsIndex]) {
|
||
const label = datasets[dsIndex].label;
|
||
// Determine background color based on dataset index
|
||
// 1 = Buy (主题色), 2 = Sell (与折线图红色一致)
|
||
const bgColor = dsIndex === 1 ? primaryColor : '#f87171';
|
||
|
||
// If collision, offset Buy label upwards
|
||
let yOffset = 0;
|
||
if (isCollision && dsIndex === 1) {
|
||
yOffset = -20;
|
||
}
|
||
|
||
drawPointLabel(dsIndex, element.index, label, bgColor, '#ffffff', yOffset);
|
||
}
|
||
});
|
||
|
||
ctx.restore();
|
||
}
|
||
}
|
||
}], []); // 移除 data 依赖，因为我们直接从 chart 实例读取数据
|
||
|
||
return (
|
||
<div style={{ marginTop: 16 }} onClick={(e) => e.stopPropagation()}>
|
||
<div
|
||
style={{ marginBottom: 8, cursor: 'pointer', userSelect: 'none' }}
|
||
className="title"
|
||
onClick={onToggleExpand}
|
||
>
|
||
<div className="row" style={{ width: '100%', flex: 1 }}>
|
||
<div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
|
||
<span>业绩走势</span>
|
||
<ChevronIcon
|
||
width="16"
|
||
height="16"
|
||
className="muted"
|
||
style={{
|
||
transform: !isExpanded ? 'rotate(-90deg)' : 'rotate(0deg)',
|
||
transition: 'transform 0.2s ease'
|
||
}}
|
||
/>
|
||
</div>
|
||
{data.length > 0 && (
|
||
<div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
|
||
<span className="muted">{ranges.find(r => r.value === range)?.label}涨跌幅</span>
|
||
<span style={{ color: lineColor, fontWeight: 600 }}>
|
||
{change > 0 ? '+' : ''}{change.toFixed(2)}%
|
||
</span>
|
||
</div>
|
||
)}
|
||
</div>
|
||
</div>
|
||
|
||
<AnimatePresence>
|
||
{isExpanded && (
|
||
<motion.div
|
||
initial={{ height: 0, opacity: 0 }}
|
||
animate={{ height: 'auto', opacity: 1 }}
|
||
exit={{ height: 0, opacity: 0 }}
|
||
transition={{ duration: 0.3, ease: 'easeInOut' }}
|
||
style={{ overflow: 'hidden' }}
|
||
>
|
||
<div style={{ position: 'relative', height: 180, width: '100%' }}>
|
||
{loading && (
|
||
<div style={{
|
||
position: 'absolute', inset: 0, display: 'flex', alignItems: 'center', justifyContent: 'center',
|
||
background: 'rgba(255,255,255,0.02)', zIndex: 10, backdropFilter: 'blur(2px)'
|
||
}}>
|
||
<span className="muted" style={{ fontSize: '12px' }}>加载中...</span>
|
||
</div>
|
||
)}
|
||
|
||
{!loading && data.length === 0 && (
|
||
<div style={{
|
||
position: 'absolute', inset: 0, display: 'flex', alignItems: 'center', justifyContent: 'center',
|
||
background: 'rgba(255,255,255,0.02)', zIndex: 10
|
||
}}>
|
||
<span className="muted" style={{ fontSize: '12px' }}>暂无数据</span>
|
||
</div>
|
||
)}
|
||
|
||
{data.length > 0 && (
|
||
<Line ref={chartRef} data={chartData} options={options} plugins={plugins} />
|
||
)}
|
||
</div>
|
||
|
||
<div style={{ display: 'flex', gap: 4, marginTop: 12, justifyContent: 'space-between', background: 'rgba(0,0,0,0.2)', padding: 4, borderRadius: 8 }}>
|
||
{ranges.map(r => (
|
||
<button
|
||
key={r.value}
|
||
onClick={(e) => { e.stopPropagation(); setRange(r.value); }}
|
||
style={{
|
||
flex: 1,
|
||
padding: '6px 0',
|
||
fontSize: '11px',
|
||
borderRadius: '6px',
|
||
border: 'none',
|
||
background: range === r.value ? 'rgba(255,255,255,0.1)' : 'transparent',
|
||
color: range === r.value ? 'var(--primary)' : 'var(--muted)',
|
||
cursor: 'pointer',
|
||
transition: 'all 0.2s',
|
||
fontWeight: range === r.value ? 600 : 400
|
||
}}
|
||
>
|
||
{r.label}
|
||
</button>
|
||
))}
|
||
</div>
|
||
</motion.div>
|
||
)}
|
||
</AnimatePresence>
|
||
</div>
|
||
);
|
||
}
|