ERP-node/frontend/components/admin/dashboard/charts/StackedBarChart.tsx

245 lines
7.2 KiB
TypeScript

"use client";
import React, { useEffect, useRef } from "react";
import * as d3 from "d3";
import { ChartConfig, ChartData } from "../types";
interface StackedBarChartProps {
data: ChartData;
config: ChartConfig;
width?: number;
height?: number;
}
/**
* D3 누적 막대 차트 컴포넌트
*/
export function StackedBarChart({ data, config, width = 600, height = 400 }: StackedBarChartProps) {
const svgRef = useRef<SVGSVGElement>(null);
useEffect(() => {
if (!svgRef.current || !data.labels.length || !data.datasets.length) return;
const svg = d3.select(svgRef.current);
svg.selectAll("*").remove();
const margin = { top: 40, right: 80, bottom: 60, left: 60 };
const chartWidth = width - margin.left - margin.right;
const chartHeight = height - margin.top - margin.bottom;
const g = svg.append("g").attr("transform", `translate(${margin.left},${margin.top})`);
// 데이터 변환 (스택 데이터 생성)
const stackData = data.labels.map((label, i) => {
const obj: any = { label };
data.datasets.forEach((dataset, j) => {
obj[`series${j}`] = dataset.data[i];
});
return obj;
});
const series = data.datasets.map((_, i) => `series${i}`);
// 스택 레이아웃
const stack = d3.stack().keys(series);
const stackedData = stack(stackData as any);
// X축 스케일
const xScale = d3.scaleBand().domain(data.labels).range([0, chartWidth]).padding(0.3);
// Y축 스케일
const maxValue =
config.stackMode === "percent" ? 100 : d3.max(stackedData[stackedData.length - 1], (d) => d[1] as number) || 0;
const yScale = d3
.scaleLinear()
.domain([0, maxValue * 1.1])
.range([chartHeight, 0])
.nice();
// X축 그리기
g.append("g")
.attr("transform", `translate(0,${chartHeight})`)
.call(d3.axisBottom(xScale))
.selectAll("text")
.attr("transform", "rotate(-45)")
.style("text-anchor", "end")
.style("font-size", "12px");
// Y축 그리기
const yAxis = config.stackMode === "percent" ? d3.axisLeft(yScale).tickFormat((d) => `${d}%`) : d3.axisLeft(yScale);
g.append("g").call(yAxis).style("font-size", "12px");
// 그리드 라인
if (config.showGrid !== false) {
g.append("g")
.attr("class", "grid")
.call(
d3
.axisLeft(yScale)
.tickSize(-chartWidth)
.tickFormat(() => ""),
)
.style("stroke-dasharray", "3,3")
.style("stroke", "#e0e0e0")
.style("opacity", 0.5);
}
// 색상 팔레트
const colors = config.colors || ["#3B82F6", "#EF4444", "#10B981", "#F59E0B"];
// 퍼센트 모드인 경우 데이터 정규화
if (config.stackMode === "percent") {
stackData.forEach((label) => {
const total = d3.sum(series.map((s) => (label as any)[s]));
series.forEach((s) => {
(label as any)[s] = total > 0 ? ((label as any)[s] / total) * 100 : 0;
});
});
}
// 누적 막대 그리기
const layers = g
.selectAll(".layer")
.data(stackedData)
.enter()
.append("g")
.attr("class", "layer")
.attr("fill", (_, i) => data.datasets[i].color || colors[i % colors.length]);
const bars = layers
.selectAll("rect")
.data((d) => d)
.enter()
.append("rect")
.attr("x", (d) => xScale((d.data as any).label) || 0)
.attr("y", chartHeight)
.attr("width", xScale.bandwidth())
.attr("height", 0)
.attr("rx", 4);
// 애니메이션
if (config.enableAnimation !== false) {
bars
.transition()
.duration(config.animationDuration || 750)
.attr("y", (d) => yScale(d[1] as number))
.attr("height", (d) => yScale(d[0] as number) - yScale(d[1] as number));
} else {
bars
.attr("y", (d) => yScale(d[1] as number))
.attr("height", (d) => yScale(d[0] as number) - yScale(d[1] as number));
}
// 툴팁
if (config.showTooltip !== false) {
bars
.on("mouseover", function (event, d) {
d3.select(this).attr("opacity", 0.7);
const seriesIndex = stackedData.findIndex((s) => s.includes(d as any));
const value = (d[1] as number) - (d[0] as number);
const label = data.datasets[seriesIndex].label;
const [mouseX, mouseY] = d3.pointer(event, g.node());
const tooltipText = `${label}: ${value.toFixed(config.stackMode === "percent" ? 1 : 0)}${config.stackMode === "percent" ? "%" : ""}`;
const tooltip = g
.append("g")
.attr("class", "tooltip")
.attr("transform", `translate(${mouseX},${mouseY - 10})`);
const text = tooltip
.append("text")
.attr("text-anchor", "middle")
.attr("fill", "white")
.attr("font-size", "12px")
.attr("dy", "-0.5em")
.text(tooltipText);
const bbox = (text.node() as SVGTextElement).getBBox();
const padding = 8;
tooltip
.insert("rect", "text")
.attr("x", bbox.x - padding)
.attr("y", bbox.y - padding)
.attr("width", bbox.width + padding * 2)
.attr("height", bbox.height + padding * 2)
.attr("fill", "rgba(0,0,0,0.85)")
.attr("rx", 6);
})
.on("mouseout", function () {
d3.select(this).attr("opacity", 1);
g.selectAll(".tooltip").remove();
});
}
// 차트 제목
if (config.title) {
svg
.append("text")
.attr("x", width / 2)
.attr("y", 20)
.attr("text-anchor", "middle")
.style("font-size", "16px")
.style("font-weight", "bold")
.text(config.title);
}
// X축 라벨
if (config.xAxisLabel) {
svg
.append("text")
.attr("x", width / 2)
.attr("y", height - 5)
.attr("text-anchor", "middle")
.style("font-size", "12px")
.style("fill", "#666")
.text(config.xAxisLabel);
}
// Y축 라벨
if (config.yAxisLabel) {
svg
.append("text")
.attr("transform", "rotate(-90)")
.attr("x", -height / 2)
.attr("y", 15)
.attr("text-anchor", "middle")
.style("font-size", "12px")
.style("fill", "#666")
.text(config.yAxisLabel);
}
// 범례
if (config.showLegend !== false) {
const legend = svg
.append("g")
.attr("class", "legend")
.attr("transform", `translate(${width - margin.right + 10}, ${margin.top})`);
data.datasets.forEach((dataset, i) => {
const legendRow = legend.append("g").attr("transform", `translate(0, ${i * 25})`);
legendRow
.append("rect")
.attr("width", 15)
.attr("height", 15)
.attr("fill", dataset.color || colors[i % colors.length])
.attr("rx", 3);
legendRow
.append("text")
.attr("x", 20)
.attr("y", 12)
.style("font-size", "12px")
.style("fill", "#333")
.text(dataset.label);
});
}
}, [data, config, width, height]);
return <svg ref={svgRef} width={width} height={height} style={{ fontFamily: "sans-serif" }} />;
}