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/** |
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* Simple Pie Chart Component |
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* Lightweight pie/donut chart for displaying proportions |
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*/ |
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|
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import React from "react"; |
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import { __ } from "../../lib/i18n"; |
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|
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interface PieData { |
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label: string; |
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value: number; |
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color: string; |
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} |
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|
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interface SimplePieChartProps { |
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data: PieData[]; |
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title: string; |
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size?: number; |
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showLegend?: boolean; |
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donut?: boolean; |
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} |
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|
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/** |
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* Simple Pie Chart Component |
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*/ |
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export const SimplePieChart: React.FC<SimplePieChartProps> = ({ |
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data, |
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title, |
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size = 200, |
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showLegend = true, |
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donut = false, |
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}) => { |
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if (!data || data.length === 0) { |
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return ( |
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<div className="flex items-center justify-center h-full text-gray-500 dark:text-gray-400"> |
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{__("No data available", "yatra")} |
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</div> |
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); |
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} |
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|
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const total = data.reduce((sum, item) => sum + item.value, 0); |
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if (total <= 0) { |
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return ( |
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<div className="flex items-center justify-center h-full text-gray-500 dark:text-gray-400"> |
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{__("No data available", "yatra")} |
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</div> |
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); |
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} |
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const center = size / 2; |
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const radius = donut ? size / 3 : size / 2 - 10; |
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const innerRadius = donut ? size / 4 : 0; |
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|
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let currentAngle = -90; // Start from top |
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|
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const paths = data.map((item) => { |
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const percentage = (item.value / total) * 100; |
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const angle = (item.value / total) * 360; |
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const startAngle = currentAngle; |
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const endAngle = currentAngle + angle; |
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|
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// Calculate arc path |
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const startX = center + radius * Math.cos((startAngle * Math.PI) / 180); |
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const startY = center + radius * Math.sin((startAngle * Math.PI) / 180); |
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const endX = center + radius * Math.cos((endAngle * Math.PI) / 180); |
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const endY = center + radius * Math.sin((endAngle * Math.PI) / 180); |
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|
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const largeArcFlag = angle > 180 ? 1 : 0; |
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|
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let pathData = ""; |
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if (donut && innerRadius > 0) { |
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// Donut chart |
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const innerStartX = |
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center + innerRadius * Math.cos((startAngle * Math.PI) / 180); |
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const innerStartY = |
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center + innerRadius * Math.sin((startAngle * Math.PI) / 180); |
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const innerEndX = |
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center + innerRadius * Math.cos((endAngle * Math.PI) / 180); |
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const innerEndY = |
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center + innerRadius * Math.sin((endAngle * Math.PI) / 180); |
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|
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pathData = `M ${startX} ${startY} A ${radius} ${radius} 0 ${largeArcFlag} 1 ${endX} ${endY} L ${innerEndX} ${innerEndY} A ${innerRadius} ${innerRadius} 0 ${largeArcFlag} 0 ${innerStartX} ${innerStartY} Z`; |
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} else { |
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// Regular pie chart |
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pathData = `M ${center} ${center} L ${startX} ${startY} A ${radius} ${radius} 0 ${largeArcFlag} 1 ${endX} ${endY} Z`; |
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} |
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|
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currentAngle += angle; |
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|
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return { |
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path: pathData, |
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color: item.color, |
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label: item.label, |
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value: item.value, |
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percentage: percentage.toFixed(1), |
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}; |
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}); |
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|
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return ( |
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<div className="w-full h-full"> |
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{title && ( |
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<h3 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-4"> |
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{title} |
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</h3> |
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)} |
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<div className="flex flex-col md:flex-row items-center gap-6"> |
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<svg width={size} height={size} viewBox={`0 0 ${size} ${size}`}> |
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{paths.map((path, index) => ( |
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<path |
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key={index} |
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d={path.path} |
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fill={path.color} |
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stroke="#fff" |
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strokeWidth="2" |
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className="hover:opacity-80 transition-opacity cursor-pointer" |
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> |
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<title>{`${path.label}: ${path.value} (${path.percentage}%)`}</title> |
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</path> |
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))} |
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</svg> |
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|
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{showLegend && ( |
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<div className="flex flex-col gap-2"> |
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{paths.map((path, index) => ( |
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<div key={index} className="flex items-center gap-2"> |
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<div |
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className="w-4 h-4 rounded" |
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style={{ backgroundColor: path.color }} |
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/> |
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<span className="text-sm text-gray-700 dark:text-gray-300"> |
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{path.label} |
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</span> |
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<span className="text-sm font-medium text-gray-900 dark:text-white ml-auto"> |
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{path.percentage}% |
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</span> |
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</div> |
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))} |
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</div> |
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)} |
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</div> |
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</div> |
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); |
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}; |
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|
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export default SimplePieChart; |
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|
