グリッド:編集イベント

FlexGridには、編集に関連するいくつかのイベントがあります。この例では、2つの使用方法を示します。

  • beginningEdit: cancelパラメータをtrueに設定して、期限切れの項目の編集を防止します。
  • cellEditEnding: 「売上」と「費用」の列に負の値を入力しないようにします。
import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as wjGrid from '@grapecity/wijmo.grid'; import * as wjCore from '@grapecity/wijmo'; import '@grapecity/wijmo.input'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // // create some random data var countries = 'アメリカ,ドイツ,イギリス,日本,スウェーデン,ノルウェー,デンマーク'.split(','); var data = []; for (var i = 0; i < countries.length; i++) { data.push({ id: i, country: countries[i], sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: (i + 1) % 4 == 0 }); } // // show the data in a grid var theGrid = new wjGrid.FlexGrid('#theGrid', { itemsSource: data, columns: [ { binding: 'id', header: 'ID', width: 50, isReadOnly: true }, { binding: 'country', header: '国', isRequired: true, dataMap: countries }, { binding: 'sales', header: '売上', format: 'n2' }, { binding: 'expenses', header: '費用', format: 'n2' }, { binding: 'overdue', header: '期限切れ' } ], beginningEdit: function (s, e) { showMessage('&nbsp;'); var col = s.columns[e.col]; if (col.binding != 'overdue') { var item = s.rows[e.row].dataItem; if (item.overdue) { // prevent editing overdue items e.cancel = true; showMessage('期限切れの項目は編集できません。'); } } }, cellEditEnding: function (s, e) { showMessage('&nbsp;'); var col = s.columns[e.col]; if (col.binding == 'sales' || col.binding == 'expenses') { var value = wjCore.changeType(s.activeEditor.value, wjCore.DataType.Number, col.format); if (!wjCore.isNumber(value) || value < 0) { // prevent negative sales/expenses e.cancel = true; showMessage('正の値を入力してください。'); } } } }); // // show log message var elLog = document.getElementById('log'); function showMessage(msg) { elLog.innerHTML = msg; } } <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Editing Events</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div id="log"> &nbsp; </div> <div id="theGrid"> </div> </div> </body> </html> .wj-flexgrid { max-height: 200px; margin-bottom: 12px; } #log { font-style: italic; text-align: center; margin-bottom: 10px; opacity: .5; } body { margin-bottom: 24px; } import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import { Component, enableProdMode, NgModule } from '@angular/core'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { BrowserModule } from '@angular/platform-browser'; import { WjGridModule } from '@grapecity/wijmo.angular2.grid'; import * as wjcCore from '@grapecity/wijmo'; import * as wjcGrid from '@grapecity/wijmo.grid'; import '@grapecity/wijmo.input'; @Component({ selector: 'app-component', templateUrl: 'src/app.component.html' }) export class AppComponent { eventLog: string = ''; data: any[]; countries = ['アメリカ', 'ドイツ', 'イギリス' ,'日本', 'イタリア', 'ギリシャ']; constructor() { this.data = this._getData(); } initializeGrid(flex: wjcGrid.FlexGrid) { flex.beginningEdit.addHandler((s: wjcGrid.FlexGrid, e: wjcGrid.CellRangeEventArgs) => { this.eventLog = ''; let col = s.columns[e.col]; if (col.binding != 'overdue') { let item = s.rows[e.row].dataItem; if (item.overdue) { // prevent editing overdue items e.cancel = true; this.eventLog = '期限切れの項目は編集できません。'; } } }); flex.cellEditEnding.addHandler((s: wjcGrid.FlexGrid, e: wjcGrid.CellEditEndingEventArgs) => { this.eventLog = ''; let col = s.columns[e.col]; if (col.binding == 'sales' || col.binding == 'expenses') { let value = wjcCore.changeType(s.activeEditor.value, wjcCore.DataType.Number, col.format); if (!wjcCore.isNumber(value) || value < 0) { // prevent negative sales/expenses e.cancel = true; this.eventLog = '正の値を入力してください。'; } } }); } private _getData() { // create some random data let data = []; for (let i = 0; i < this.countries.length; i++) { data.push({ id: i, country: this.countries[i], sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: i % 4 == 0 }); } return data; } } @NgModule({ imports: [WjGridModule, BrowserModule], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } enableProdMode(); // Bootstrap application with hash style navigation and global services. platformBrowserDynamic().bootstrapModule(AppModule); <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Editing Events</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Polyfills --> <script src="node_modules/core-js/client/shim.min.js"></script> <script src="node_modules/zone.js/dist/zone.min.js"></script> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.js"></script> <script src="systemjs.config.js"></script> <script> // workaround to load 'rxjs/operators' from the rxjs bundle System.import('rxjs').then(function (m) { System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators)); System.import('./src/app.component'); }); </script> </head> <body> <app-component></app-component> </body> </html> <div class="container-fluid"> <div class="log">{{eventLog}}</div> <!-- the grid --> <wj-flex-grid #flex [(itemsSource)]="data" (initialized)="initializeGrid(flex)"> <wj-flex-grid-column [binding]="'id'" [header]="'ID'" [width]="50" [isReadOnly]="true"></wj-flex-grid-column> <wj-flex-grid-column [binding]="'country'" [header]="'国'" [isRequired]="true" [dataMap]="countries"></wj-flex-grid-column> <wj-flex-grid-column [binding]="'sales'" [header]="'売上'" [format]="'n2'"></wj-flex-grid-column> <wj-flex-grid-column [binding]="'expenses'" [header]="'費用'" [format]="'n2'"></wj-flex-grid-column> <wj-flex-grid-column [binding]="'overdue'" [header]="'期限切れ'"></wj-flex-grid-column> </wj-flex-grid> </div> .wj-flexgrid { max-height: 200px; margin-bottom: 12px; } .log { font-style: italic; text-align: center; margin-bottom: 10px; opacity: .5; } body { margin-bottom: 24px; } import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './app.css'; // import * as React from 'react'; import * as ReactDOM from 'react-dom'; import * as wjGrid from '@grapecity/wijmo.react.grid'; import * as wjcCore from '@grapecity/wijmo'; class App extends React.Component { constructor(props) { super(props); this.countries = ['アメリカ', 'ドイツ', 'イギリス', '日本', 'イタリア', 'ギリシャ']; this.state = { data: this.getData(), eventLog: '' }; } render() { return <div className="container-fluid"> <div className="log">{this.state.eventLog}</div> <wjGrid.FlexGrid initialized={this.initializeGrid.bind(this)} itemsSource={this.state.data}> <wjGrid.FlexGridColumn binding="id" header="ID" width={50} isReadOnly={true}></wjGrid.FlexGridColumn> <wjGrid.FlexGridColumn binding="country" header="国" isRequired={true} dataMap={this.countries}></wjGrid.FlexGridColumn> <wjGrid.FlexGridColumn binding="sales" header="売上" format="n2"></wjGrid.FlexGridColumn> <wjGrid.FlexGridColumn binding="expenses" header="費用" format="n2"></wjGrid.FlexGridColumn> <wjGrid.FlexGridColumn binding="overdue" header="期限切れ"></wjGrid.FlexGridColumn> </wjGrid.FlexGrid> </div>; } initializeGrid(flex) { flex.beginningEdit.addHandler((s, e) => { this.setState({ eventLog: '' }); let col = s.columns[e.col]; if (col.binding != 'overdue') { let item = s.rows[e.row].dataItem; if (item.overdue) { // prevent editing overdue items e.cancel = true; this.setState({ eventLog: '期限切れの項目は編集できません。' }); } } }); flex.cellEditEnding.addHandler((s, e) => { this.setState({ eventLog: '' }); let col = s.columns[e.col]; if (col.binding == 'sales' || col.binding == 'expenses') { let value = wjcCore.changeType(s.activeEditor.value, wjcCore.DataType.Number, col.format); if (!wjcCore.isNumber(value) || value < 0) { // prevent negative sales/expenses e.cancel = true; this.setState({ eventLog: '正の値を入力してください。' }); } } }); } getData() { // create some random data let data = []; for (let i = 0; i < this.countries.length; i++) { data.push({ id: i, country: this.countries[i], sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: i % 4 == 0 }); } return data; } } ReactDOM.render(<App />, document.getElementById('app')); <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Editing Events</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></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: 200px; margin-bottom: 12px; } .log { font-style: italic; text-align: center; margin-bottom: 10px; opacity: .5; } body { margin-bottom: 24px; } <template> <div class="container-fluid"> <div class="log">{{eventLog}}</div> <!-- the grid --> <wj-flex-grid :itemsSource="data" :initialized="initializeGrid"> <wj-flex-grid-column binding="id" header="ID" :width=50 :isReadOnly=true></wj-flex-grid-column> <wj-flex-grid-column binding="country" header="国" :isRequired=true :dataMap="countries"></wj-flex-grid-column> <wj-flex-grid-column binding="sales" header="売上" format="'n2'"></wj-flex-grid-column> <wj-flex-grid-column binding="expenses" header="費用" format="'n2'"></wj-flex-grid-column> <wj-flex-grid-column binding="overdue" header="期限切れ"></wj-flex-grid-column> </wj-flex-grid> </div> </template> <script> import "@grapecity/wijmo.styles/wijmo.css"; import "bootstrap.css"; import Vue from "vue"; import "@grapecity/wijmo.vue2.grid"; import * as wjcCore from '@grapecity/wijmo'; import * as wjcGrid from '@grapecity/wijmo.grid'; import * as wjcInput from '@grapecity/wijmo.input'; new Vue({ el: "#app", data: { eventLog: '', data: [], countries: ['アメリカ', 'ドイツ', 'イギリス' ,'日本', 'イタリア', 'ギリシャ'] }, methods:{ initializeGrid(flex){ this.data = this._getData(); flex.beginningEdit.addHandler((s, e) => { this.eventLog = ''; let col = s.columns[e.col]; if (col.binding != 'overdue') { let item = s.rows[e.row].dataItem; if (item.overdue) { // prevent editing overdue items e.cancel = true; this.eventLog = '期限切れの項目は編集できません。'; } } }); flex.cellEditEnding.addHandler((s, e) => { this.eventLog = ''; let col = s.columns[e.col]; if (col.binding == 'sales' || col.binding == 'expenses') { let value = wjcCore.changeType(s.activeEditor.value, wjcCore.DataType.Number, col.format); if (!wjcCore.isNumber(value) || value < 0) { // prevent negative sales/expenses e.cancel = true; this.eventLog = '正の値を入力してください。'; } } }); }, _getData() { // create some random data let data = []; for (let i = 0; i < this.countries.length; i++) { data.push({ id: i, country: this.countries[i], sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: i % 4 == 0 }); } return data; } } }); </script> <style> .wj-flexgrid { max-height: 200px; margin-bottom: 12px; } .log { font-style: italic; text-align: center; margin-bottom: 10px; opacity: .5; } body { margin-bottom: 24px; } </style> <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>AutoComplete</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.vue'); </script> </head> <body> <div id="app"> </div> </body> </html>