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

443 lines
13 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 { Line as ChartJsLine } from "react-chartjs-2";
import {
Chart as ChartJS,
CategoryScale,
LinearScale,
PointElement,
LineElement,
Tooltip,
Filler,
Scale,
Tick,
} from "chart.js";
ChartJS.register(
CategoryScale,
LinearScale,
PointElement,
LineElement,
Tooltip,
Filler
);
// 流量数据项接口
export interface ITrafficItem {
up: number;
down: number;
timestamp?: number;
}
// 对外暴露的接口
export interface EnhancedTrafficGraphRef {
appendData: (data: ITrafficItem) => void;
toggleStyle: () => void;
}
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 * 60,
[]
);
// 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,
tooltipBg: theme.palette.background.paper,
text: theme.palette.text.primary,
tooltipBorder: theme.palette.divider,
}),
[theme]
);
// 切换时间范围
const handleTimeRangeClick = useCallback((event: React.MouseEvent<SVGTextElement>) => {
event.stopPropagation();
setTimeRange((prevRange) => {
return prevRange === 1 ? 5 : prevRange === 5 ? 10 : 1;
});
}, []);
// 点击图表主体或图例时切换样式
const handleToggleStyleClick = useCallback((event: React.MouseEvent<SVGTextElement | HTMLDivElement>) => {
event.stopPropagation();
setChartStyle((prev) => (prev === "line" ? "area" : "line"));
}, []);
// 初始化数据缓冲区
useEffect(() => {
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);
let nameValue: string;
try {
if (isNaN(date.getTime())) {
console.warn(`Initial data generation: Invalid date for timestamp ${pointTime}`);
nameValue = "??:??:??";
} else {
nameValue = date.toLocaleTimeString("en-US", {
hour12: false,
hour: "2-digit",
minute: "2-digit",
second: "2-digit",
});
}
} catch (e) {
console.error("Error in toLocaleTimeString during initial data gen:", e, "Date:", date, "Timestamp:", pointTime);
nameValue = "Err:Time";
}
return {
up: 0,
down: 0,
timestamp: pointTime,
name: nameValue,
};
}
);
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) => {
const safeData = {
up: typeof data.up === "number" && !isNaN(data.up) ? data.up : 0,
down: typeof data.down === "number" && !isNaN(data.down) ? data.down : 0,
};
const timestamp = data.timestamp || Date.now();
const date = new Date(timestamp);
let nameValue: string;
try {
if (isNaN(date.getTime())) {
console.warn(`appendData: Invalid date for timestamp ${timestamp}`);
nameValue = "??:??:??";
} else {
nameValue = date.toLocaleTimeString("en-US", {
hour12: false,
hour: "2-digit",
minute: "2-digit",
second: "2-digit",
});
}
} catch (e) {
console.error("Error in toLocaleTimeString in appendData:", e, "Date:", date, "Timestamp:", timestamp);
nameValue = "Err:Time";
}
// 带时间标签的新数据点
const newPoint: DataPoint = {
...safeData,
name: nameValue,
timestamp: timestamp,
};
const newBuffer = [...dataBufferRef.current.slice(1), newPoint];
dataBufferRef.current = newBuffer;
const pointsToShow = getMaxPointsByTimeRange(timeRange);
setDisplayData(newBuffer.slice(-pointsToShow));
}, [timeRange, getMaxPointsByTimeRange]);
// 监听时间范围变化
useEffect(() => {
const pointsToShow = getMaxPointsByTimeRange(timeRange);
if (dataBufferRef.current.length > 0) {
setDisplayData(dataBufferRef.current.slice(-pointsToShow));
}
}, [timeRange, getMaxPointsByTimeRange]);
// 切换图表样式
const toggleStyle = useCallback(() => {
setChartStyle((prev) => prev === "line" ? "area" : "line");
}, []);
// 暴露方法给父组件
useImperativeHandle(
ref,
() => ({
appendData,
toggleStyle,
}),
[appendData, toggleStyle]
);
const formatYAxis = useCallback((value: number | string): string => {
if (typeof value !== 'number') return String(value);
const [num, unit] = parseTraffic(value);
return `${num}${unit}`;
}, []);
const formatXLabel = useCallback((tickValue: string | number, index: number, ticks: any[]) => {
const dataPoint = displayData[index as number];
if (dataPoint && dataPoint.name) {
const parts = dataPoint.name.split(":");
return `${parts[0]}:${parts[1]}`;
}
if(typeof tickValue === 'string') {
const parts = tickValue.split(":");
if (parts.length >= 2) return `${parts[0]}:${parts[1]}`;
return tickValue;
}
return '';
}, [displayData]);
// 获取当前时间范围文本
const getTimeRangeText = useCallback(() => {
return t("{{time}} Minutes", { time: timeRange });
}, [timeRange, t]);
const chartData = useMemo(() => {
const labels = displayData.map(d => d.name);
return {
labels,
datasets: [
{
label: t("Upload"),
data: displayData.map(d => d.up),
borderColor: colors.up,
backgroundColor: chartStyle === "area" ? colors.up : colors.up,
fill: chartStyle === "area",
tension: 0.4,
pointRadius: 0,
pointHoverRadius: 4,
borderWidth: 2,
},
{
label: t("Download"),
data: displayData.map(d => d.down),
borderColor: colors.down,
backgroundColor: chartStyle === "area" ? colors.down : colors.down,
fill: chartStyle === "area",
tension: 0.4,
pointRadius: 0,
pointHoverRadius: 4,
borderWidth: 2,
}
]
};
}, [displayData, colors.up, colors.down, t, chartStyle]);
const chartOptions = useMemo(() => ({
responsive: true,
maintainAspectRatio: false,
animation: false as false,
scales: {
x: {
display: true,
type: 'category' as const,
labels: displayData.map(d => d.name),
ticks: {
display: true,
color: colors.text,
font: { size: 10 },
callback: function(this: Scale, tickValue: string | number, index: number, ticks: Tick[]): string | undefined {
let labelToFormat: string | undefined = undefined;
const currentDisplayTick = ticks[index];
if (currentDisplayTick && typeof currentDisplayTick.label === 'string') {
labelToFormat = currentDisplayTick.label;
} else {
const sourceLabels = displayData.map(d => d.name);
if (typeof tickValue === 'number' && tickValue >= 0 && tickValue < sourceLabels.length) {
labelToFormat = sourceLabels[tickValue];
} else if (typeof tickValue === 'string') {
labelToFormat = tickValue;
}
}
if (typeof labelToFormat !== 'string') {
return undefined;
}
const parts: string[] = labelToFormat.split(':');
return parts.length >= 2 ? `${parts[0]}:${parts[1]}` : labelToFormat;
},
autoSkip: true,
maxTicksLimit: Math.max(5, Math.floor(displayData.length / (timeRange * 2))),
minRotation: 0,
maxRotation: 0,
},
grid: {
display: true,
drawOnChartArea: false,
drawTicks: true,
tickLength: 2,
color: colors.text,
},
},
y: {
beginAtZero: true,
ticks: {
color: colors.text,
font: { size: 10 },
callback: formatYAxis,
},
grid: {
display: true,
drawTicks: true,
tickLength: 3,
color: colors.grid,
},
}
},
plugins: {
tooltip: {
enabled: true,
mode: 'index' as const,
intersect: false,
backgroundColor: colors.tooltipBg,
titleColor: colors.text,
bodyColor: colors.text,
borderColor: colors.tooltipBorder,
borderWidth: 1,
cornerRadius: 4,
padding: 8,
callbacks: {
title: (tooltipItems: any[]) => {
return `${t("Time")}: ${tooltipItems[0].label}`;
},
label: (context: any): string => {
const label = context.dataset.label || '';
const value = context.parsed.y;
const [num, unit] = parseTraffic(value);
return `${label}: ${num} ${unit}/s`;
}
}
},
legend: {
display: false
}
},
layout: {
padding: {
top: 16,
right: 7,
left: 3,
}
}
}), [colors, t, formatYAxis, timeRange, displayData]);
return (
<Box
sx={{
width: "100%",
height: "100%",
position: "relative",
bgcolor: "action.hover",
borderRadius: 1,
cursor: "pointer",
}}
onClick={handleToggleStyleClick}
>
<div style={{ width: "100%", height: "100%", position: "relative" }}>
{displayData.length > 0 && (
<ChartJsLine data={chartData} options={chartOptions} />
)}
<svg width="100%" height="100%" style={{ position: 'absolute', top: 0, left: 0, pointerEvents: 'none' }}>
<text
x="3.5%"
y="10%"
textAnchor="start"
fill={theme.palette.text.secondary}
fontSize={11}
fontWeight="bold"
onClick={handleTimeRangeClick}
style={{ cursor: "pointer", pointerEvents: 'all' }}
>
{getTimeRangeText()}
</text>
<text
x="99%"
y="10%"
textAnchor="end"
fill={colors.up}
fontSize={12}
fontWeight="bold"
onClick={handleToggleStyleClick}
style={{ cursor: "pointer", pointerEvents: 'all' }}
>
{t("Upload")}
</text>
<text
x="99%"
y="19%"
textAnchor="end"
fill={colors.down}
fontSize={12}
fontWeight="bold"
onClick={handleToggleStyleClick}
style={{ cursor: "pointer", pointerEvents: 'all' }}
>
{t("Download")}
</text>
</svg>
</div>
</Box>
);
},
));
EnhancedTrafficGraph.displayName = "EnhancedTrafficGraph";