Break-Even chart (React)

Break-even chart is a chart that shows the sales volume level at which total costs equal sales.

This example uses React.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './app.css'; // import * as React from 'react'; import * as ReactDOM from 'react-dom'; // import * as wjChart from '@grapecity/wijmo.react.chart'; import * as wjChartAnalytics from '@grapecity/wijmo.react.chart.analytics'; // // class App extends React.Component { constructor(props) { super(props); // this.onChange = (event) => { const target = event.target; const key = target.id; const checked = target.checked; let styles = this.createStyles(); for (let k in styles) { if (k == key) { styles[k] = checked ? styles[k] : null; } else { styles[k] = this.state.appliedStyles[k]; } } this.setState((state) => ({ [key]: checked, appliedStyles: styles })); }; // this.createStyles = () => { return { safetyMargin: { fill: "lightgreen", strokeWidth: 0 }, salesRevenue: { stroke: "rgba(127,42,250,1)", strokeWidth: 3 }, fixedCost: { stroke: "grey", strokeWidth: 3 }, totalCost: { stroke: "red", strokeWidth: 3 }, variableCost: { stroke: "black", strokeWidth: 3 }, marginalProfit: { stroke: "green", strokeWidth: 3 }, breakEven: { stroke: "rgba(69,171,235,1)", strokeWidth: 3 } }; }; this.state = { safetyMargin: true, salesRevenue: true, totalCost: true, fixedCost: true, variableCost: true, marginalProfit: true, breakEven: true, appliedStyles: this.createStyles(), }; } // render() { return (<div className="container-fluid"> <div className="row"> <label htmlFor="safetyMargin">Safety Margin:</label> <input id="safetyMargin" type="checkbox" checked={this.state.safetyMargin} onChange={this.onChange}/> <label htmlFor="salesRevenue">Sales Revenue:</label> <input id="salesRevenue" type="checkbox" checked={this.state.salesRevenue} onChange={this.onChange}/> </div> <div className="row"> <label htmlFor="totalCost">Total Cost:</label> <input id="totalCost" type="checkbox" checked={this.state.totalCost} onChange={this.onChange}/> <label htmlFor="fixedCost">Fixed Cost:</label> <input id="fixedCost" type="checkbox" checked={this.state.fixedCost} onChange={this.onChange}/> <label htmlFor="variableCost">Variable Cost:</label> <input id="variableCost" type="checkbox" checked={this.state.variableCost} onChange={this.onChange}/> </div> <div className="row"> <label htmlFor="marginalProfit">Marginal Profit:</label> <input id="marginalProfit" type="checkbox" checked={this.state.marginalProfit} onChange={this.onChange}/> <label htmlFor="breakEven">Break Even:</label> <input id="breakEven" type="checkbox" checked={this.state.breakEven} onChange={this.onChange}/> </div> <wjChart.FlexChart> <wjChartAnalytics.FlexChartBreakEven salesPrice={120} variableCost={20} fixedCost={1000000} style={{ fill: 'rgba(127,42,250,0.5)', strokeWidth: 0 }} altStyle={{ fill: 'rgba(255,0,0,0.5)', strokeWidth: 0 }} styles={this.state.appliedStyles}/> </wjChart.FlexChart> </div>); } } ReactDOM.render(<App />, document.getElementById('app'));
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexChart Break-Even Chart</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
.wj-flexchart { height: 300px; } label { width: 120px; text-align: right; } body { margin-bottom: 24pt; }
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