Legends and Titles (React)

The FlexChart control has header, footer and the Axis title properties that you can use to include more information in your charts. You can also customize these sections of the chart using CSS.

Learn about FlexChart | Legends and Titles Documentation | FlexChart API Reference

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 { isArray, addClass, toggleClass } from '@grapecity/wijmo'; import { Palettes } from '@grapecity/wijmo.chart'; import * as Chart from '@grapecity/wijmo.react.chart'; import * as Input from '@grapecity/wijmo.react.input'; import { getData } from './data'; // class App extends React.Component { // constructor(props) { super(props); this.state = { data: getData(), palette: this.getRandomPalette(), header: "My Great Chart", footer: "powered by Wijmo's FlexChart", xTitle: "country", yTitle: "values/units", customTitles: true, customLegend: true, legendPositionSource: ['None', 'Left', 'Top', 'Right', 'Bottom'], legendPosition: 'Left' }; } // render() { return <div className="container-fluid"> <div> <label>Header:</label> <Input.ComboBox textChanged={this.headerChanged.bind(this)} text={this.state.header}> </Input.ComboBox> </div> <div> <label>Footer:</label> <Input.ComboBox textChanged={this.footerChanged.bind(this)} text={this.state.footer}> </Input.ComboBox> </div> <div> <label>X-Axis Title:</label> <Input.ComboBox textChanged={this.xTitleChanged.bind(this)} text={this.state.xTitle}> </Input.ComboBox> </div> <div> <label>Y-Axis Title:</label> <Input.ComboBox textChanged={this.yTitleChanged.bind(this)} text={this.state.yTitle}> </Input.ComboBox> </div> <div> <label htmlFor="customTitles">Custom Titles: </label> <input id="customTitles" type="checkbox" checked={this.state.customTitles} onChange={this.customTitlesChanged.bind(this)}/> </div> <div> <label htmlFor="customLegend">Custom Legend: </label> <input id="customLegend" type="checkbox" checked={this.state.customLegend} onChange={this.customLegendChanged.bind(this)}/> </div> <div> <label>Legend Position: </label> <Input.ComboBox itemsSource={this.state.legendPositionSource} textChanged={this.legendPositionChanged.bind(this)} text={this.state.legendPosition}> </Input.ComboBox> </div> <div className="form-group"> <Chart.FlexChart header={this.state.header} footer={this.state.footer} bindingX="country" palette={this.state.palette} itemsSource={this.state.data} initialized={this.chartInitialized.bind(this)}> <Chart.FlexChartAxis wjProperty="axisX" title={this.state.xTitle}></Chart.FlexChartAxis> <Chart.FlexChartAxis wjProperty="axisY" title={this.state.yTitle}></Chart.FlexChartAxis> <Chart.FlexChartSeries binding="sales" name="Sales"></Chart.FlexChartSeries> <Chart.FlexChartSeries binding="expenses" name="Expenses"></Chart.FlexChartSeries> <Chart.FlexChartSeries binding="downloads" name="Downloads"></Chart.FlexChartSeries> <Chart.FlexChartLegend position={this.state.legendPosition}></Chart.FlexChartLegend> </Chart.FlexChart> </div> </div>; } getRandomPalette() { let palettes = Object.getOwnPropertyNames(Palettes).filter(prop => isArray(Palettes[prop])); let rand = Math.floor(Math.random() * palettes.length); // return Palettes[palettes[rand]]; } chartInitialized(chart) { this.theChart = chart; addClass(chart.hostElement, 'custom-titles custom-legend'); } headerChanged(combo) { this.setState({ header: combo.text }); } footerChanged(combo) { this.setState({ footer: combo.text }); } // xTitleChanged(combo) { this.setState({ xTitle: combo.text }); } // yTitleChanged(combo) { this.setState({ yTitle: combo.text }); } // customTitlesChanged() { this.setState({ customTitles: !this.state.customTitles }); if (this.theChart) { toggleClass(this.theChart.hostElement, 'custom-titles'); } } // customLegendChanged() { this.setState({ customLegend: !this.state.customLegend }); if (this.theChart) { toggleClass(this.theChart.hostElement, 'custom-legend'); } } // legendPositionChanged(combo) { this.setState({ legendPosition: combo.text }); } } 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 Legends and Titles</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: 150px; text-align: right; margin-right: 3px; } .wj-control { margin-bottom: 3px; } /* custom color for all titles */ .custom-titles.wj-flexchart .wj-title { fill: #42357C; } /* custom size/weight for header */ .custom-titles.wj-flexchart .wj-header .wj-title { font-size: 120%; font-weight: bold; } /* custom size/weight for footer */ .custom-titles.wj-flexchart .wj-footer .wj-title { font-size: 90%; font-weight: bold; } /* custom style for axis-x/y titles */ .custom-titles.wj-flexchart .wj-axis-x .wj-title, .custom-titles.wj-flexchart .wj-axis-y .wj-title{ font-size: 75%; font-style: normal; opacity: .5; } .wj-flexchart .wj-legend .wj-label { opacity: .9; font-size: 80%; } /* custom color for legend box */ .custom-legend.wj-flexchart .wj-legend > rect { fill: #003000; } /* custom color for legend labels */ .custom-legend.wj-flexchart .wj-legend .wj-label { fill: white; font-style: italic; }
export function getData() { let countries = 'US,Germany,UK,Japan,Italy,Greece'.split(','), data = []; // for (let i = 0; i < countries.length; i++) { data.push({ country: countries[i], sales: Math.random() * 10000, expenses: Math.random() * 5000, downloads: Math.round(Math.random() * 20000) }); } // return data; }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true, react: true }, meta: { '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'jszip': 'npm:jszip/dist/jszip.js', '@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js', '@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js', '@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles', '@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures', '@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js', '@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js', '@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js', '@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js', '@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js', '@grapecity/wijmo.chart.finance.analytics': 'npm:@grapecity/wijmo.chart.finance.analytics/index.js', '@grapecity/wijmo.chart.hierarchical': 'npm:@grapecity/wijmo.chart.hierarchical/index.js', '@grapecity/wijmo.chart.interaction': 'npm:@grapecity/wijmo.chart.interaction/index.js', '@grapecity/wijmo.chart.radar': 'npm:@grapecity/wijmo.chart.radar/index.js', '@grapecity/wijmo.chart.render': 'npm:@grapecity/wijmo.chart.render/index.js', '@grapecity/wijmo.chart.webgl': 'npm:@grapecity/wijmo.chart.webgl/index.js', '@grapecity/wijmo.chart.map': 'npm:@grapecity/wijmo.chart.map/index.js', '@grapecity/wijmo.gauge': 'npm:@grapecity/wijmo.gauge/index.js', '@grapecity/wijmo.grid': 'npm:@grapecity/wijmo.grid/index.js', '@grapecity/wijmo.grid.detail': 'npm:@grapecity/wijmo.grid.detail/index.js', '@grapecity/wijmo.grid.filter': 'npm:@grapecity/wijmo.grid.filter/index.js', '@grapecity/wijmo.grid.search': 'npm:@grapecity/wijmo.grid.search/index.js', '@grapecity/wijmo.grid.grouppanel': 'npm:@grapecity/wijmo.grid.grouppanel/index.js', '@grapecity/wijmo.grid.multirow': 'npm:@grapecity/wijmo.grid.multirow/index.js', '@grapecity/wijmo.grid.transposed': 'npm:@grapecity/wijmo.grid.transposed/index.js', '@grapecity/wijmo.grid.transposedmultirow': 'npm:@grapecity/wijmo.grid.transposedmultirow/index.js', '@grapecity/wijmo.grid.pdf': 'npm:@grapecity/wijmo.grid.pdf/index.js', '@grapecity/wijmo.grid.sheet': 'npm:@grapecity/wijmo.grid.sheet/index.js', '@grapecity/wijmo.grid.xlsx': 'npm:@grapecity/wijmo.grid.xlsx/index.js', '@grapecity/wijmo.grid.selector': 'npm:@grapecity/wijmo.grid.selector/index.js', '@grapecity/wijmo.grid.cellmaker': 'npm:@grapecity/wijmo.grid.cellmaker/index.js', '@grapecity/wijmo.grid.immutable': 'npm:@grapecity/wijmo.grid.immutable/index.js', '@grapecity/wijmo.touch': 'npm:@grapecity/wijmo.touch/index.js', '@grapecity/wijmo.cloud': 'npm:@grapecity/wijmo.cloud/index.js', '@grapecity/wijmo.nav': 'npm:@grapecity/wijmo.nav/index.js', '@grapecity/wijmo.odata': 'npm:@grapecity/wijmo.odata/index.js', '@grapecity/wijmo.olap': 'npm:@grapecity/wijmo.olap/index.js', '@grapecity/wijmo.rest': 'npm:@grapecity/wijmo.rest/index.js', '@grapecity/wijmo.pdf': 'npm:@grapecity/wijmo.pdf/index.js', '@grapecity/wijmo.pdf.security': 'npm:@grapecity/wijmo.pdf.security/index.js', '@grapecity/wijmo.viewer': 'npm:@grapecity/wijmo.viewer/index.js', '@grapecity/wijmo.xlsx': 'npm:@grapecity/wijmo.xlsx/index.js', '@grapecity/wijmo.undo': 'npm:@grapecity/wijmo.undo/index.js', '@grapecity/wijmo.interop.grid': 'npm:@grapecity/wijmo.interop.grid/index.js', '@grapecity/wijmo.barcode': 'npm:@grapecity/wijmo.barcode/index.js', '@grapecity/wijmo.barcode.common': 'npm:@grapecity/wijmo.barcode.common/index.js', '@grapecity/wijmo.barcode.composite': 'npm:@grapecity/wijmo.barcode.composite/index.js', '@grapecity/wijmo.barcode.specialized': 'npm:@grapecity/wijmo.barcode.specialized/index.js', "@grapecity/wijmo.react.chart.analytics": "npm:@grapecity/wijmo.react.chart.analytics/index.js", 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"npm:@grapecity/wijmo.react.gauge/index.js", "@grapecity/wijmo.react.grid.detail": "npm:@grapecity/wijmo.react.grid.detail/index.js", "@grapecity/wijmo.react.grid.filter": "npm:@grapecity/wijmo.react.grid.filter/index.js", "@grapecity/wijmo.react.grid.grouppanel": "npm:@grapecity/wijmo.react.grid.grouppanel/index.js", '@grapecity/wijmo.react.grid.search': 'npm:@grapecity/wijmo.react.grid.search/index.js', "@grapecity/wijmo.react.grid.multirow": "npm:@grapecity/wijmo.react.grid.multirow/index.js", "@grapecity/wijmo.react.grid.sheet": "npm:@grapecity/wijmo.react.grid.sheet/index.js", '@grapecity/wijmo.react.grid.transposed': 'npm:@grapecity/wijmo.react.grid.transposed/index.js', '@grapecity/wijmo.react.grid.transposedmultirow': 'npm:@grapecity/wijmo.react.grid.transposedmultirow/index.js', '@grapecity/wijmo.react.grid.immutable': 'npm:@grapecity/wijmo.react.grid.immutable/index.js', "@grapecity/wijmo.react.grid": "npm:@grapecity/wijmo.react.grid/index.js", "@grapecity/wijmo.react.input": "npm:@grapecity/wijmo.react.input/index.js", "@grapecity/wijmo.react.olap": "npm:@grapecity/wijmo.react.olap/index.js", "@grapecity/wijmo.react.viewer": "npm:@grapecity/wijmo.react.viewer/index.js", "@grapecity/wijmo.react.nav": "npm:@grapecity/wijmo.react.nav/index.js", "@grapecity/wijmo.react.base": "npm:@grapecity/wijmo.react.base/index.js", '@grapecity/wijmo.react.barcode.common': 'npm:@grapecity/wijmo.react.barcode.common/index.js', '@grapecity/wijmo.react.barcode.composite': 'npm:@grapecity/wijmo.react.barcode.composite/index.js', '@grapecity/wijmo.react.barcode.specialized': 'npm:@grapecity/wijmo.react.barcode.specialized/index.js', 'jszip': 'npm:jszip/dist/jszip.js', 'react': 'npm:react/umd/react.production.min.js', 'react-dom': 'npm:react-dom/umd/react-dom.production.min.js', 'redux': 'npm:redux/dist/redux.min.js', 'react-redux': 'npm:react-redux/dist/react-redux.min.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'css': 'npm:systemjs-plugin-css/css.js', 'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js', 'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js' }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'jsx' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);