グリッド:Excel:進捗インジケータ (React)

このサンプルは、FlexGridコンテンツをXLSXファイルに非同期にエクスポートする方法、および進行状況インジケーターを表示してエクスポートをキャンセルする方法を示しています。

FlexGridXlsxConverterのsaveAsyncメソッドのonProgress引数は、データのExcelの.xlsxファイル形式への変換とエクスポートの進行状況を追跡するために使用され、 cancelAsyncメソッドはエクスポートをキャンセルするために使用されます。

このサンプルはReactを使用しています。

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React, { useRef, useState } from 'react'; import useEvent from 'react-use-event-hook'; import * as gridXlsx from '@mescius/wijmo.grid.xlsx'; import * as wjcGrid from '@mescius/wijmo.react.grid'; import * as wjcGauge from '@mescius/wijmo.react.gauge'; import './app.css'; import { data } from './data'; gridXlsx.FlexGridXlsxConverter._stopExportsOnGridChange = false; function App() { const [progress, setProgress] = useState(0); const flexRef = useRef(null); const initializeGrid = useEvent((source) => { flexRef.current = source; }); const handleExport = () => { if (flexRef.current) { gridXlsx.FlexGridXlsxConverter.saveAsync(flexRef.current, {}, 'FlexGrid.xlsx', undefined, undefined, progress => setProgress(progress), true); } }; const handleCancel = () => { gridXlsx.FlexGridXlsxConverter.cancelAsync(() => setProgress(0)); }; return (<div className="container-fluid"> <wjcGrid.FlexGrid className="grid" autoGenerateColumns={false} itemsSource={data} initialized={initializeGrid}> <wjcGrid.FlexGridColumn header="ID" binding="id"></wjcGrid.FlexGridColumn> <wjcGrid.FlexGridColumn header="国" binding="country"></wjcGrid.FlexGridColumn> <wjcGrid.FlexGridColumn header="商品" binding="product"></wjcGrid.FlexGridColumn> <wjcGrid.FlexGridColumn header="金額" binding="amount" format="c"></wjcGrid.FlexGridColumn> <wjcGrid.FlexGridColumn header="保留" binding="amount2" format="c2"></wjcGrid.FlexGridColumn> <wjcGrid.FlexGridColumn header="値引" binding="discount" format="p1"></wjcGrid.FlexGridColumn> </wjcGrid.FlexGrid> <div className="row"> <div className="col-md-6 col-xs-12 well well-sm"> <wjcGauge.LinearGauge isReadOnly={true} min={0} max={100} value={progress} showText={"Value"}/> <button className="btn btn-default" onClick={handleExport}>エクスポート</button> <button className="btn btn-default" onClick={handleCancel}>キャンセル</button> </div> </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>Progress Indicator</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 { height: 400px; margin: 6px 0; } .wj-gauge { margin: 20px auto; }
function getData(count) { let countries = 'アメリカ,ドイツ,イギリス,日本,イタリア,ギリシャ'.split(','), products = ['ウィジェット', 'ガジェット', 'ツール'], data = []; // for (let i = 0; i < count; i++) { let countryId = Math.floor(Math.random() * countries.length), productId = Math.floor(Math.random() * products.length); // let item = { id: i, country: countries[countryId], product: products[productId], amount: Math.random() * 10000, amount2: Math.random() * 10000, discount: Math.random() / 4, active: i % 4 == 0 }; // data.push(item); } // return data; } export const data = getData(5000);
(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.style': 'npm:@mescius/wijmo.grid.style/index.js', '@mescius/wijmo.grid.grouppanel': 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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/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);