Sorting (React)

The FlexChart allows you to visualize tabular data as business charts. It provides a variety of options about how to present and interact with the data, including selection, zooming, drill-down, formatting, etc.

Like all Wijmo controls, the chart delegates all data-related tasks to the CollectionView class, so if you want to filter, sort, or group the data, you can do it using the CollectionView. It may be useful to think of the FlexChart as a special type of data grid, where columns are represented by series and rows are data points on the chart.

When you set the chart's itemsSource property to an array, or ObservableArray, the chart automatically creates a CollectionView instance to wrap the original array. This CollectionView is exposed by the collectionView property in case you want to access it.

Learn about FlexChart | Sorting Documentation | FlexChart API Reference

This example uses React.

app.jsx
index.html
app.css
data.jsx
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import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React, { useRef } from 'react'; import useEvent from 'react-use-event-hook'; import * as wjCore from '@mescius/wijmo'; import * as wjChart from '@mescius/wijmo.react.chart'; import './app.css'; import { data } from './data'; function App() { const theChartRef = useRef(null); const initializeChart = useEvent((flex) => { theChartRef.current = flex; }); const sortOnClick = (prop) => { let sd = theChartRef.current.collectionView.sortDescriptions; sd.clear(); sd.push(new wjCore.SortDescription(prop, true)); }; return (<div className="container-fluid"> <div className="form-group"> <p> Sort by: <button id="btnNone" className="btn btn-default" onClick={() => sortOnClick(null)}>None</button> <button id="btnCountry" className="btn btn-default" onClick={() => sortOnClick('country')}>Country</button> <button id="btnSales" className="btn btn-default" onClick={() => sortOnClick('sales')}>Sales</button> <button id="btnExpenses" className="btn btn-default" onClick={() => sortOnClick('expenses')}>Expenses</button> <button id="btnDownloads" className="btn btn-default" onClick={() => sortOnClick('downloads')}>Downloads</button> </p> <wjChart.FlexChart itemsSource={data} bindingX="country" initialized={initializeChart}> <wjChart.FlexChartSeries binding="sales" name="Sales"/> <wjChart.FlexChartSeries binding="expenses" name="Expenses"/> <wjChart.FlexChartSeries binding="downloads" name="Downloads"/> </wjChart.FlexChart> </div> </div>); } const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); }
import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React, { useRef } from 'react'; import useEvent from 'react-use-event-hook'; import * as wjCore from '@mescius/wijmo'; import * as wjChart from '@mescius/wijmo.react.chart'; import './app.css'; import { data } from './data'; function App() { const theChartRef = useRef(null); const initializeChart = useEvent((flex) => { theChartRef.current = flex; }); const sortOnClick = (prop) => { let sd = theChartRef.current.collectionView.sortDescriptions; sd.clear(); sd.push(new wjCore.SortDescription(prop, true)); }; return (<div className="container-fluid"> <div className="form-group"> <p> Sort by: <button id="btnNone" className="btn btn-default" onClick={() => sortOnClick(null)}>None</button> <button id="btnCountry" className="btn btn-default" onClick={() => sortOnClick('country')}>Country</button> <button id="btnSales" className="btn btn-default" onClick={() => sortOnClick('sales')}>Sales</button> <button id="btnExpenses" className="btn btn-default" onClick={() => sortOnClick('expenses')}>Expenses</button> <button id="btnDownloads" className="btn btn-default" onClick={() => sortOnClick('downloads')}>Downloads</button> </p> <wjChart.FlexChart itemsSource={data} bindingX="country" initialized={initializeChart}> <wjChart.FlexChartSeries binding="sales" name="Sales"/> <wjChart.FlexChartSeries binding="expenses" name="Expenses"/> <wjChart.FlexChartSeries binding="downloads" name="Downloads"/> </wjChart.FlexChart> </div> </div>); } const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo Wijmo FlexChart Sorting</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
label { margin-right: 3px; }
function getData() { let countries = ['US', 'Germany', 'UK', 'Japan', 'Italy', 'Greece'], 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; } export const data = getData();
(function (global) { window.process = { env: { NODE_ENV: "production" } } 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', '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js', '@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js', '@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js', '@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js', '@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js', '@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js', '@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js', '@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js', '@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js', '@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js', '@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js', '@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js', '@mescius/wijmo.grid.style': 'npm:@mescius/wijmo.grid.style/index.js', '@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js', '@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js', '@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js', '@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js', '@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js', '@mescius/wijmo.grid.immutable': 'npm:@mescius/wijmo.grid.immutable/index.js', '@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js', '@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js', '@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js', '@mescius/wijmo.odata': 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"@mescius/wijmo.react.viewer": "npm:@mescius/wijmo.react.viewer/index.js", "@mescius/wijmo.react.nav": "npm:@mescius/wijmo.react.nav/index.js", "@mescius/wijmo.react.base": "npm:@mescius/wijmo.react.base/index.js", '@mescius/wijmo.react.barcode.common': 'npm:@mescius/wijmo.react.barcode.common/index.js', '@mescius/wijmo.react.barcode.composite': 'npm:@mescius/wijmo.react.barcode.composite/index.js', '@mescius/wijmo.react.barcode.specialized': 'npm:@mescius/wijmo.react.barcode.specialized/index.js', 'jszip': 'npm:jszip/dist/jszip.js', 'react': 'npm:react/index.js', 'react-dom': 'npm:react-dom/index.js', 'react-dom/client': 'npm:react-dom/client.js', "scheduler": "npm:scheduler/index.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', "react-use-event-hook": "npm:react-use-event-hook/dist/esm/useEvent.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);