グリッド:セルテンプレートの一般的な使用方法

このサンプルでは、セルテンプレートの2つの最も一般的なタスクである条件付き書式設定と画像の実行方法を示します。

サンプルのすべてのバージョンは、Column.cellTemplateプロパティを使用してこれらのタスクを実行する方法を示しています。

フレームワーク固有のバージョンでは、セルテンプレートディレクティブを使用して同じことを行う方法も示しています。セルテンプレートディレクティブは、より強力ですが、少し複雑です。

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo-core.css'; import './styles.css'; import * as wijmo from '@mescius/wijmo'; import { FlexGrid } from '@mescius/wijmo.grid'; import { getData, getProducts, getColors, getCountryMap } from './data'; document.readyState === 'complete' ? init() : window.onload = init; function init() { // create the grid with cell templates new FlexGrid('#theGrid', { showMarquee: true, showSelectedHeaders: 'All', selectionMode: 'MultiRange', headersVisibility: 'Column', autoGenerateColumns: false, columns: [ { binding: 'id', header: 'ID', isReadOnly: true, width: 50 }, { binding: 'date', header: '日付' }, { binding: 'product', header: '商品', dataMap: getProducts() }, { binding: 'country', header: '国', dataMap: getCountryMap(), cellTemplate: (ctx) => (`<span class="flag-icon flag-icon-${ctx.col.dataMap.getDataItem(ctx.value).flag}"></span> ${ctx.text}`) }, { binding: 'color', header: '色', dataMap: getColors(), cellTemplate: (ctx) => (`<span class="color-tile" style="background:${ctx.value}"></span> ${ctx.value}`) }, { binding: 'value', header: '金額', format: 'c0' }, { binding: 'change', header: '変化量', align: 'center', format: 'p0', width: '*', cellTemplate: (ctx) => (`<span class=${ctx.value > 0 ? "change-up" : "change-down"}>${wijmo.Globalize.format(ctx.value, ctx.col.format)}</span>`) }, ], itemsSource: getData() }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexGrid Cell Template Common Tasks</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <p> このサンプルは、フレームワークに依存しない<b>cellTemplate</b>プロパティの使用方法を示しています。 </p> <div id="theGrid"></div> </div> </body> </html>
import { DataMap } from '@mescius/wijmo.grid'; import { DateTime } from '@mescius/wijmo'; export function getCountries() { return [ { id: 0, name: 'US', flag: 'us' }, { id: 1, name: 'Germany', flag: 'de' }, { id: 2, name: 'UK', flag: 'gb' }, { id: 3, name: 'Japan', flag: 'jp' }, { id: 4, name: 'Italy', flag: 'it' }, { id: 5, name: 'France', flag: 'fr' }, { id: 6, name: 'Canada', flag: 'ca' }, { id: 7, name: 'Russia', flag: 'ru' } ]; } export function getCountryMap() { return new DataMap(getCountries(), 'id', 'name'); } export function getProducts() { return '自動車,パソコン,スマートフォン,映画,書籍'.split(','); } export function getColors() { return 'Red,Green,Blue,White,Black,Yellow,Orange'.split(','); } export function getData(cnt = 20) { let countries = getCountries(), products = getProducts(), colors = getColors(), today = new Date(), data = []; for (let i = 0; i < cnt; i++) { data.push({ id: i, date: DateTime.addDays(today, -i), product: pickOne(products), country: pickOne(countries).id, color: pickOne(colors), value: 500 + Math.round(Math.random() * 1000), change: Math.round((Math.random() - 0.45) * 10000) / 10000 }); } return data; } function pickOne(arr) { return arr[Math.floor(Math.random() * arr.length)]; }
@import 'https://cdnjs.cloudflare.com/ajax/libs/flag-icon-css/3.1.0/css/flag-icon.css'; .wj-flexgrid { max-height: 400px; } .wj-flexgrid .wj-cell { padding: 6px 12px; } .wj-flexgrid .wj-cell:not(.wj-header) { border-right: none; } .color-tile { display: inline-block; position: relative; width: 1.33333333em; height: 1em; vertical-align: middle; border: 1px solid grey; } .change-up { color: darkgreen; } .change-up:before { content: '\25b2\00a0'; } .change-down { color: darkred; } .change-down:before { content: '\25bc\00a0'; }
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