Unbound TreeGrid (React)

If you prefer to work in unbound mode, you can still build TreeGrids by adding rows and columns in code.

Learn about TreeGrid | Unbound TreeGrid Documentation | FlexGrid API Reference

This example uses React.

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 wjcGrid from '@mescius/wijmo.react.grid'; import * as wjGrid from '@mescius/wijmo.grid'; import './app.css'; import { workers } from './data'; function App() { const workersGridRef = useRef(null); const initialGrid = useEvent((grid) => { workersGridRef.current = grid; // add columns workersGridRef.current.columns.push(new wjGrid.Column({ header: 'Name' })); workersGridRef.current.columns.push(new wjGrid.Column({ header: 'Hours', dataType: 'Number', format: 'n2' })); workersGridRef.current.columns.push(new wjGrid.Column({ header: 'Rate', dataType: 'Number', format: 'n2' })); // add rows for (let w = 0; w < workers.length; w++) { // add worker let worker = workers[w]; let row = new wjGrid.GroupRow(); row.dataItem = worker; row.isReadOnly = false; row.level = 0; workersGridRef.current.rows.push(row); workersGridRef.current.setCellData(row.index, 0, worker.name); for (let c = 0; c < worker.checks.length; c++) { // add check let check = worker.checks[c]; row = new wjGrid.GroupRow(); row.dataItem = check; row.isReadOnly = false; row.level = 1; workersGridRef.current.rows.push(row); workersGridRef.current.setCellData(row.index, 0, check.name); for (let e = 0; e < check.earnings.length; e++) { // add earning let earning = check.earnings[e]; row = new wjGrid.GroupRow(); row.dataItem = earning; row.isReadOnly = false; row.level = 2; workersGridRef.current.rows.push(row); workersGridRef.current.setCellData(row.index, 0, earning.name); workersGridRef.current.setCellData(row.index, 1, earning.hours); workersGridRef.current.setCellData(row.index, 2, earning.rate); } } } }); const onBeginningEdit = useEvent((flexGird, e) => { let value = e.panel.getCellData(e.row, e.col, true); if (value == null) { e.cancel = true; // can't edit! } }); return (<div className="container-fluid"> <wjcGrid.FlexGrid headersVisibility="Column" selectionMode="Row" beginningEdit={onBeginningEdit} initialized={initialGrid}> </wjcGrid.FlexGrid> </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 FlexGrid Unbound Tree Grid</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>
.wj-flexgrid { max-height: 220px; margin: 10px; } .wj-cell.wj-group { border: none; } .wj-cell.wj-group:not(.wj-state-selected):not(.wj-state-multi-selected) { background-color: white; }
function getWorkers() { return [{ name: 'Jack Smith', checks: [{ name: 'check1', earnings: [ { name: 'hourly', hours: 30.0, rate: 15.0 }, { name: 'overtime', hours: 10.0, rate: 20.0 }, { name: 'bonus', hours: 5.0, rate: 30.0 } ] }, { name: 'check2', earnings: [ { name: 'hourly', hours: 20.0, rate: 18.0 }, { name: 'overtime', hours: 20.0, rate: 24.0 } ] }] }, { name: 'Jack Smith', checks: [{ name: 'check1', earnings: [ { name: 'hourly', hours: 30.0, rate: 15.0 }, { name: 'overtime', hours: 10.0, rate: 20.0 }, { name: 'bonus', hours: 5.0, rate: 30.0 } ] }, { name: 'check2', earnings: [ { name: 'hourly', hours: 20.0, rate: 18.0 }, { name: 'overtime', hours: 20.0, rate: 24.0 } ] }] }, { name: 'Jane Smith', checks: [{ name: 'check1', earnings: [ { name: 'hourly', hours: 30.0, rate: 15.0 }, { name: 'overtime', hours: 10.0, rate: 20.0 }, { name: 'bonus', hours: 5.0, rate: 30.0 } ] }, { name: 'check2', earnings: [ { name: 'hourly', hours: 20.0, rate: 18.0 }, { name: 'overtime', hours: 20.0, rate: 24.0 } ] }] }]; } export const workers = getWorkers();
(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', '@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.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': 'npm:@mescius/wijmo.odata/index.js', '@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js', '@mescius/wijmo.rest': 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"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/umd/react.production.min.js', 'react-dom': 'npm:react-dom/umd/react-dom.production.min.js', 'react-dom/client': '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', "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);