ユーザーがシートに変更を加えた後は、Spreadコンポーネントはこの変更を処理し、新たなシートを描画する必要があります。
repaintメソッドを使用しても、シートを再描画できます。
通常、シートに変更が加えられるとコンポーネントは自動的に更新し、変更を反映させます。一度に大量の変更を加える場合、シートが何度も再描画されないようにするには、suspendPaintメソッドを使用すると、必要な変更がすべて完了するまで自動再描画が停止されます。変更が完了したら、resumePaintメソッドを呼び出してシートを再描画します。次に、この例を示します。
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import './styles.css';
import { AppFunc } from './app-func';
import { App } from './app-class';
// 1. Functional Component sample
ReactDOM.render(<AppFunc />, document.getElementById('app'));
// 2. Class Component sample
// ReactDOM.render(<App />, document.getElementById('app'));
import * as React from 'react';
import '@mescius/spread-sheets-resources-ja';
GC.Spread.Common.CultureManager.culture("ja-jp");
import GC from "@mescius/spread-sheets";
import Panel from './panel';
import { SpreadSheets, Worksheet } from '@mescius/spread-sheets-react';
import './styles.css';
let spreadFinal;
export const AppFunc = () => {
return (
<div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => initSpread(spread)}>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
<Panel suspendPaint = {() => {suspendPaint()}} setValue = {() => {setValue()}}
resumePaint = {() => {resumePaint()}}
></Panel>
</div>
)
}
function setValue() {
var sheet = spreadFinal.getActiveSheet();
var cellRange = sheet.getSelections()[0];
var salesData = [
["Salesperson", "Region", "Sales Amount", "Commission %", "Commission Amount"],
["Joe", "North", 260, '10%', 26],
["Robert", "South", 660, '15%', 99],
["Michelle", "East", 940, '15%', 141],
["Erich", "West", 410, '12%', 49.2],
["Dafna", "North", 800, '15%', 120],
["Rob", "South", 900, '15%', 135]
];
if (cellRange) {
for (var row = cellRange.row, rowCount = cellRange.row + cellRange.rowCount; row < rowCount; row++) {
for (var col = cellRange.col, colCount = cellRange.col + cellRange.colCount; col < colCount; col++) {
sheet.setArray(row, col, salesData);
sheet.getCell(row, col).foreColor("lightGreen");
sheet.getCell(row, ++col).foreColor("lightGreen");
sheet.getCell(row, ++col).foreColor("lightGreen");
sheet.getCell(row, ++col).foreColor("lightGreen");
sheet.getCell(row, ++col).foreColor("lightGreen");
}
}
}
}
function suspendPaint() {
spreadFinal.suspendPaint();
}
function resumePaint() {
spreadFinal.resumePaint();
}
function initSpread(spread) {
spreadFinal = spread;
}
import * as React from 'react';
import Panel from './panel';
import { SpreadSheets, Worksheet } from '@mescius/spread-sheets-react';
import '@mescius/spread-sheets-resources-ja';
GC.Spread.Common.CultureManager.culture("ja-jp");
import GC from "@mescius/spread-sheets";
let spreadFinal;
export class App extends React.Component {
render() {
return (
<div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => initSpread(spread)}>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
<Panel suspendPaint={() => { suspendPaint() }} setValue={() => { setValue() }}
resumePaint={() => { resumePaint() }}
></Panel>
</div>
);
}
}
function setValue() {
var sheet = spreadFinal.getActiveSheet();
var cellRange = sheet.getSelections()[0];
var salesData = [
["Salesperson", "Region", "Sales Amount", "Commission %", "Commission Amount"],
["Joe", "North", 260, '10%', 26],
["Robert", "South", 660, '15%', 99],
["Michelle", "East", 940, '15%', 141],
["Erich", "West", 410, '12%', 49.2],
["Dafna", "North", 800, '15%', 120],
["Rob", "South", 900, '15%', 135]
];
if (cellRange) {
for (var row = cellRange.row, rowCount = cellRange.row + cellRange.rowCount; row < rowCount; row++) {
for (var col = cellRange.col, colCount = cellRange.col + cellRange.colCount; col < colCount; col++) {
sheet.setArray(row, col, salesData);
sheet.getCell(row, col).foreColor("lightGreen");
sheet.getCell(row, ++col).foreColor("lightGreen");
sheet.getCell(row, ++col).foreColor("lightGreen");
sheet.getCell(row, ++col).foreColor("lightGreen");
sheet.getCell(row, ++col).foreColor("lightGreen");
}
}
}
}
function suspendPaint() {
spreadFinal.suspendPaint();
}
function resumePaint() {
spreadFinal.resumePaint();
}
function initSpread(spread) {
spreadFinal = spread;
}
import * as React from 'react';
export default function Panel(props) {
const { suspendPaint, setValue, resumePaint } = props;
return (
<div class="options-container">
<div class="option-row">
<input type="button" id="suspendPaint" value="描画を一時停止する" onClick={suspendPaint} />
<label>ワークブックの描画を一時停止します。</label>
</div>
<div class="option-row">
<input type="button" id="setValue" value="値配列を設定する" onClick={setValue} />
<label>シートに一連の値を設定します。</label>
</div>
<div class="option-row">
<input type="button" id="resumePaint" value="描画を再開する" onClick={resumePaint} />
<label>ワークブックの描画を再開します。</label>
</div>
</div>
);
}
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css" href="$DEMOROOT$/ja/react/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<!-- SystemJS -->
<script src="$DEMOROOT$/ja/react/node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('$DEMOROOT$/ja/lib/react/license.js').then(function () {
System.import('./src/app');
});
</script>
</head>
<body>
<div id="app" style="height: 100%;"></div>
</body>
</html>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: calc(100% - 280px);
height: 100%;
overflow: hidden;
float: left;
}
.options-container {
float: right;
width: 280px;
padding: 12px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
}
.option-row {
font-size: 14px;
padding: 5px;
margin-top: 10px;
}
label {
display: block;
margin-bottom: 6px;
}
input {
padding: 4px 6px;
}
.labelStyle {
color:rgb(226,107,29);
display:inline-block;
font-family:Arial, Helvetica, sans-serif;
font-size: 18px;
font-weight: normal;
height:30px;
line-height: 30px
}
input[type=button] {
margin-top: 6px;
display: block;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
(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: {
'@mescius/spread-sheets': 'npm:@mescius/spread-sheets/index.js',
'@mescius/spread-sheets-resources-ja': 'npm:@mescius/spread-sheets-resources-ja/index.js',
'@mescius/spread-sheets-react': 'npm:@mescius/spread-sheets-react/index.js',
'@grapecity/jsob-test-dependency-package/react-components': 'npm:@grapecity/jsob-test-dependency-package/react-components/index.js',
'react': 'npm:react/umd/react.production.min.js',
'react-dom': 'npm:react-dom/umd/react-dom.production.min.js',
'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);
