Files
clash-verge-rev-lite/src/components/home/enhanced-traffic-graph.tsx

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12 KiB
TypeScript

import {
forwardRef,
useImperativeHandle,
useState,
useEffect,
useCallback,
useMemo,
useRef,
memo,
} from "react";
import { Box, useTheme } from "@mui/material";
import parseTraffic from "@/utils/parse-traffic";
import { useTranslation } from "react-i18next";
import {
LineChart,
Line,
XAxis,
YAxis,
CartesianGrid,
Tooltip,
ResponsiveContainer,
AreaChart,
Area,
} from "recharts";
// 流量数据项接口
export interface ITrafficItem {
up: number;
down: number;
timestamp?: number;
}
// 组件对外暴露的方法
export interface EnhancedTrafficGraphRef {
appendData: (data: ITrafficItem) => void;
toggleStyle: () => void;
}
// 时间范围类型
type TimeRange = 1 | 5 | 10; // 分钟
// 数据点类型
type DataPoint = ITrafficItem & { name: string; timestamp: number };
/**
* 增强型流量图表组件
*/
export const EnhancedTrafficGraph = memo(forwardRef<EnhancedTrafficGraphRef>(
(props, ref) => {
const theme = useTheme();
const { t } = useTranslation();
// 基础状态
const [timeRange, setTimeRange] = useState<TimeRange>(10);
const [chartStyle, setChartStyle] = useState<"line" | "area">("area");
const [displayData, setDisplayData] = useState<DataPoint[]>([]);
// 数据缓冲区
const dataBufferRef = useRef<DataPoint[]>([]);
// 根据时间范围计算保留的数据点数量
const getMaxPointsByTimeRange = useCallback(
(minutes: TimeRange): number => minutes * 30,
[]
);
// 最大数据点数量
const MAX_BUFFER_SIZE = useMemo(
() => getMaxPointsByTimeRange(10),
[getMaxPointsByTimeRange]
);
// 颜色配置
const colors = useMemo(
() => ({
up: theme.palette.secondary.main,
down: theme.palette.primary.main,
grid: theme.palette.divider,
tooltip: theme.palette.background.paper,
text: theme.palette.text.primary,
}),
[theme]
);
// 切换时间范围
const handleTimeRangeClick = useCallback(() => {
setTimeRange((prevRange) => {
// 在1、5、10分钟之间循环切换
return prevRange === 1 ? 5 : prevRange === 5 ? 10 : 1;
});
}, []);
// 初始化数据缓冲区
useEffect(() => {
// 创建初始空数据
const now = Date.now();
const tenMinutesAgo = now - 10 * 60 * 1000;
const initialBuffer = Array.from(
{ length: MAX_BUFFER_SIZE },
(_, index) => {
const pointTime =
tenMinutesAgo + index * ((10 * 60 * 1000) / MAX_BUFFER_SIZE);
const date = new Date(pointTime);
return {
up: 0,
down: 0,
timestamp: pointTime,
name: date.toLocaleTimeString("en-US", {
hour12: false,
hour: "2-digit",
minute: "2-digit",
second: "2-digit",
}),
};
}
);
dataBufferRef.current = initialBuffer;
// 更新显示数据
const pointsToShow = getMaxPointsByTimeRange(timeRange);
setDisplayData(initialBuffer.slice(-pointsToShow));
}, [MAX_BUFFER_SIZE, getMaxPointsByTimeRange, timeRange]);
// 添加数据点方法
const appendData = useCallback((data: ITrafficItem) => {
// 安全处理数据
const safeData = {
up: typeof data.up === "number" && !isNaN(data.up) ? data.up : 0,
down: typeof data.down === "number" && !isNaN(data.down) ? data.down : 0,
};
// 使用提供的时间戳或当前时间
const timestamp = data.timestamp || Date.now();
const date = new Date(timestamp);
// 带时间标签的新数据点
const newPoint: DataPoint = {
...safeData,
name: date.toLocaleTimeString("en-US", {
hour12: false,
hour: "2-digit",
minute: "2-digit",
second: "2-digit",
}),
timestamp: timestamp,
};
// 更新缓冲区,保持原数组大小
const newBuffer = [...dataBufferRef.current.slice(1), newPoint];
dataBufferRef.current = newBuffer;
// 更新显示数据
const pointsToShow = getMaxPointsByTimeRange(timeRange);
setDisplayData(newBuffer.slice(-pointsToShow));
}, [timeRange, getMaxPointsByTimeRange]);
// 监听时间范围变化,更新显示数据
useEffect(() => {
const pointsToShow = getMaxPointsByTimeRange(timeRange);
setDisplayData(dataBufferRef.current.slice(-pointsToShow));
}, [timeRange, getMaxPointsByTimeRange]);
// 切换图表样式
const toggleStyle = useCallback(() => {
setChartStyle((prev) => prev === "line" ? "area" : "line");
}, []);
// 暴露方法给父组件
useImperativeHandle(
ref,
() => ({
appendData,
toggleStyle,
}),
[appendData, toggleStyle]
);
// 格式化工具提示内容
const formatTooltip = useCallback((value: number, name: string, props: any) => {
const [num, unit] = parseTraffic(value);
return [`${num} ${unit}/s`, props?.dataKey === "up" ? t("Upload") : t("Download")];
}, [t]);
// Y轴刻度格式化
const formatYAxis = useCallback((value: number) => {
const [num, unit] = parseTraffic(value);
return `${num}${unit}`;
}, []);
// 格式化X轴标签
const formatXLabel = useCallback((value: string) => {
if (!value) return "";
const parts = value.split(":");
return `${parts[0]}:${parts[1]}`;
}, []);
// 获取当前时间范围文本
const getTimeRangeText = useCallback(() => {
return t("{{time}} Minutes", { time: timeRange });
}, [timeRange, t]);
// 共享图表配置
const chartConfig = useMemo(() => ({
data: displayData,
margin: { top: 10, right: 20, left: 0, bottom: 0 },
}), [displayData]);
// 共享的线条/区域配置
const commonLineProps = useMemo(() => ({
dot: false,
strokeWidth: 2,
connectNulls: false,
activeDot: { r: 4, strokeWidth: 1 },
isAnimationActive: false, // 禁用动画以减少CPU使用
}), []);
// 曲线类型
const curveType = "monotone";
return (
<Box
sx={{
width: "100%",
height: "100%",
position: "relative",
bgcolor: "action.hover",
borderRadius: 1,
padding: 1,
cursor: "pointer",
}}
onClick={toggleStyle}
>
<ResponsiveContainer width="100%" height="100%">
{chartStyle === "line" ? (
<LineChart {...chartConfig}>
<CartesianGrid strokeDasharray="3 3" vertical={false} stroke={colors.grid} opacity={0.3} />
<XAxis
dataKey="name"
tick={{ fontSize: 10, fill: colors.text }}
tickLine={{ stroke: colors.grid }}
axisLine={{ stroke: colors.grid }}
interval="preserveStart"
tickFormatter={formatXLabel}
minTickGap={30}
/>
<YAxis
tickFormatter={formatYAxis}
tick={{ fontSize: 10, fill: colors.text }}
tickLine={{ stroke: colors.grid }}
axisLine={{ stroke: colors.grid }}
width={43}
domain={[0, "auto"]}
/>
<Tooltip
formatter={formatTooltip}
labelFormatter={(label) => `${t("Time")}: ${label}`}
contentStyle={{
backgroundColor: colors.tooltip,
borderColor: colors.grid,
borderRadius: 4,
}}
itemStyle={{ color: colors.text }}
isAnimationActive={false}
/>
<Line
type={curveType}
{...commonLineProps}
dataKey="up"
name={t("Upload")}
stroke={colors.up}
/>
<Line
type={curveType}
{...commonLineProps}
dataKey="down"
name={t("Download")}
stroke={colors.down}
/>
{/* 可点击的时间范围标签 */}
<text
x="1%"
y="6%"
textAnchor="start"
fill={theme.palette.text.secondary}
fontSize={11}
fontWeight="bold"
onClick={handleTimeRangeClick}
style={{ cursor: "pointer" }}
>
{getTimeRangeText()}
</text>
{/* 上传标签 - 右上角 */}
<text
x="98%"
y="7%"
textAnchor="end"
fill={colors.up}
fontSize={12}
fontWeight="bold"
>
{t("Upload")}
</text>
{/* 下载标签 - 右上角下方 */}
<text
x="98%"
y="16%"
textAnchor="end"
fill={colors.down}
fontSize={12}
fontWeight="bold"
>
{t("Download")}
</text>
</LineChart>
) : (
<AreaChart {...chartConfig}>
<CartesianGrid strokeDasharray="3 3" vertical={false} stroke={colors.grid} opacity={0.3} />
<XAxis
dataKey="name"
tick={{ fontSize: 10, fill: colors.text }}
tickLine={{ stroke: colors.grid }}
axisLine={{ stroke: colors.grid }}
interval="preserveStart"
tickFormatter={formatXLabel}
minTickGap={30}
/>
<YAxis
tickFormatter={formatYAxis}
tick={{ fontSize: 10, fill: colors.text }}
tickLine={{ stroke: colors.grid }}
axisLine={{ stroke: colors.grid }}
width={43}
domain={[0, "auto"]}
padding={{ top: 10, bottom: 0 }}
/>
<Tooltip
formatter={formatTooltip}
labelFormatter={(label) => `${t("Time")}: ${label}`}
contentStyle={{
backgroundColor: colors.tooltip,
borderColor: colors.grid,
borderRadius: 4,
}}
itemStyle={{ color: colors.text }}
isAnimationActive={false}
/>
<Area
type={curveType}
{...commonLineProps}
dataKey="up"
name={t("Upload")}
stroke={colors.up}
fill={colors.up}
fillOpacity={0.2}
/>
<Area
type={curveType}
{...commonLineProps}
dataKey="down"
name={t("Download")}
stroke={colors.down}
fill={colors.down}
fillOpacity={0.3}
/>
{/* 可点击的时间范围标签 */}
<text
x="1%"
y="6%"
textAnchor="start"
fill={theme.palette.text.secondary}
fontSize={11}
fontWeight="bold"
onClick={handleTimeRangeClick}
style={{ cursor: "pointer" }}
>
{getTimeRangeText()}
</text>
{/* 上传标签 - 右上角 */}
<text
x="98%"
y="7%"
textAnchor="end"
fill={colors.up}
fontSize={12}
fontWeight="bold"
>
{t("Upload")}
</text>
{/* 下载标签 - 右上角下方 */}
<text
x="98%"
y="16%"
textAnchor="end"
fill={colors.down}
fontSize={12}
fontWeight="bold"
>
{t("Download")}
</text>
</AreaChart>
)}
</ResponsiveContainer>
</Box>
);
},
));
// 添加显示名称以便调试
EnhancedTrafficGraph.displayName = "EnhancedTrafficGraph";