独自の関数を作成するには、次のコードに示すように、GC.Spread.CalcEngine.Functions.Function を継承します。
カスタム関数は以下のコードのように GC.Spread.CalcEngine.CalcArray オブジェクトを使用して配列を返すことができます。
独自の関数を追加したあとに、1つのカスタム関数を削除する場合は removeCustomFunction を、すべてのカスタム関数をクリアする場合は clearCustomFunctions メソッドを使用します。
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 GC from '@mescius/spread-sheets';
import '@mescius/spread-sheets-resources-ja';
GC.Spread.Common.CultureManager.culture("ja-jp");
import { SpreadSheets, Worksheet } from '@mescius/spread-sheets-react';
import './styles.css';
class FactorialFunction extends GC.Spread.CalcEngine.Functions.Function {
constructor() {
super("FACTORIAL", 1, 1);
}
evaluate(arg) {
var result = 1;
if (arguments.length === 1 && !isNaN(arg)) {
for (var i = 1; i <= arg; i++) {
result = i * result;
}
return result;
}
return "#VALUE!";
}
}
class FactorialArrayFunction extends GC.Spread.CalcEngine.Functions.Function {
constructor() {
super("FACTORIAL.ARRAY", 1, 1);
}
evaluate(arg) {
let t = 1;
let result = [[]];
if (arguments.length === 1 && !isNaN(arg)) {
for (var i = 1; i <= arg; i++) {
t = i * t;
result[0].push(t);
}
return new GC.Spread.CalcEngine.CalcArray(result);
}
return "#VALUE!";
}
}
export function AppFunc() {
let spread = null;
let factorial = null;
let factorialArray = null;
let initSpread = function (spreadObj) {
spread = spreadObj;
spread.options.allowDynamicArray = true;
var sheet = spread.getSheet(0);
sheet.setValue(1, 1, '「カスタム関数を追加」ボタンをクリックしてください。');
sheet.setColumnWidth(1, 225);
sheet.setColumnWidth(2, 100);
factorial = new FactorialFunction();
factorialArray = new FactorialArrayFunction();
}
let addCustomFunction = function (e) {
var sheet = spread.sheets[0];
sheet.addCustomFunction(factorial);
sheet.setValue(3, 1, 'Formula');
sheet.setValue(3, 2, '=FACTORIAL(5)');
sheet.setValue(4, 1, 'Result');
sheet.setFormula(4, 2, "=FACTORIAL(5)");
sheet.setValue(6, 1, 'Formula');
sheet.setValue(6, 2, '=FACTORIAL.ARRAY(5)');
sheet.setValue(7, 1, 'Result');
sheet.addCustomFunction(factorialArray);
sheet.setFormula(7, 2, "=FACTORIAL.ARRAY(5)");
}
let removeCustomFunction = function (e) {
var sheet = spread.sheets[0];
sheet.removeCustomFunction("FACTORIAL");
sheet.removeCustomFunction("FACTORIAL.ARRAY");
sheet.recalcAll(true);
}
return (
<div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => initSpread(spread)}>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
<Panel
addCustomFunction={(e) => { addCustomFunction(e) }}
removeCustomFunction={(e) => { removeCustomFunction(e) }}
/>
</div>);
}
export const Panel = (props) => {
const { addCustomFunction, removeCustomFunction } = props
return (
<div class="options-container">
<div class="option-row">
<input type="button" value="カスタム関数（factorial）を追加" onClick={(e) => { addCustomFunction(e) }} />
<input type="button" value="カスタム関数（factorial）を削除" onClick={(e) => { removeCustomFunction(e) }} />
</div>
</div>
)
}
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import GC from '@mescius/spread-sheets';
import '@mescius/spread-sheets-resources-ja';
GC.Spread.Common.CultureManager.culture("ja-jp");
import { SpreadSheets, Worksheet } from '@mescius/spread-sheets-react';
import './styles.css';
const Component = React.Component;
class FactorialFunction extends GC.Spread.CalcEngine.Functions.Function {
constructor() {
super("FACTORIAL", 1, 1);
}
evaluate (arg) {
var result = 1;
if (arguments.length === 1 && !isNaN(arg)) {
for (var i = 1; i <= arg; i++) {
result = i * result;
}
return result;
}
return "#VALUE!";
}
}
class FactorialArrayFunction extends GC.Spread.CalcEngine.Functions.Function {
constructor() {
super("FACTORIAL.ARRAY", 1, 1);
}
evaluate (arg) {
let t = 1;
let result = [[]];
if (arguments.length === 1 && !isNaN(arg)) {
for (var i = 1; i <= arg; i++) {
t = i * t;
result[0].push(t);
}
return new GC.Spread.CalcEngine.CalcArray(result);
}
return "#VALUE!";
}
}
export class App extends Component {
constructor(props) {
super(props);
this.spread = null;
}
render() {
return <div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread=>this.initSpread(spread)}>
<Worksheet>
</Worksheet>
</SpreadSheets>
</div>
<Panel
addCustomFunction={(e)=>{this.addCustomFunction(e)}}
removeCustomFunction={(e)=>{this.removeCustomFunction(e)}}
/>
</div>;
}
initSpread(spread) {
this.spread = spread;
spread.options.allowDynamicArray = true;
var sheet = spread.getSheet(0);
sheet.setValue(1, 1, '「カスタム関数を追加」ボタンをクリックしてください。');
sheet.setColumnWidth(1, 225);
sheet.setColumnWidth(2, 100);
this.factorial = new FactorialFunction();
this.factorialArray = new FactorialArrayFunction();
}
addCustomFunction (e) {
var sheet = this.spread.sheets[0];
sheet.addCustomFunction(this.factorial);
sheet.setValue(3, 1, 'Formula');
sheet.setValue(3, 2, '=FACTORIAL(5)');
sheet.setValue(4, 1, 'Result');
sheet.setFormula(4, 2, "=FACTORIAL(5)");
sheet.setValue(6, 1, 'Formula');
sheet.setValue(6, 2, '=FACTORIAL.ARRAY(5)');
sheet.setValue(7, 1, 'Result');
sheet.addCustomFunction(this.factorialArray);
sheet.setFormula(7, 2, "=FACTORIAL.ARRAY(5)");
}
removeCustomFunction (e) {
var sheet = this.spread.sheets[0];
sheet.removeCustomFunction("FACTORIAL");
sheet.removeCustomFunction("FACTORIAL.ARRAY");
sheet.recalcAll(true);
}
}
export class Panel extends Component{
constructor(props){
super(props);
}
render(){
return(
<div class="options-container">
<div class="option-row">
<input type="button" value="カスタム関数（factorial）を追加" onClick={(e)=>{this.props.addCustomFunction(e)}} />
<input type="button" value="カスタム関数（factorial）を削除" onClick={(e)=>{this.props.removeCustomFunction(e)}} />
</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"></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 {
margin-bottom: 12px;
}
input[type=button] {
padding: 4px 6px;
margin-bottom: 6px;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
#app {
height: 100%;
}
(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);
