グリッド:セルテンプレートの一般的な使用方法 (Vue)

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。

このサンプルはVueを使用しています。

<template> <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。 Vueではコンポーネントがテンプレートリテラルとして定義されているため、テンプレート文字列をエスケープする必要があります。そのため、<b>cellTemplate</b>は別のリテラル内のリテラルです。 </p> <wj-flex-grid showSelectedHeaders="All" selectionMode="MultiRange" headersVisibility="Column" :showMarquee="true" :autoGenerateColumns="false" :itemsSource="data"> <wj-flex-grid-column binding="id" header="ID" :isReadOnly="true" :width="50" /> <wj-flex-grid-column binding="date" header="日付" /> <wj-flex-grid-column binding="product" header="商品" :dataMap="products" /> <!-- Country column with <wj-flex-grid-cell-template> --> <wj-flex-grid-column binding="country" header="国" :dataMap="countryMap" width="*"> <wj-flex-grid-cell-template cellType="Cell" v-slot="cell"> <span :class="'flag-icon flag-icon-' + cell.col.dataMap.getDataItem(cell.item.country).flag"></span> {{ cell.col.dataMap.getDisplayValue(cell.item.country) }} </wj-flex-grid-cell-template> </wj-flex-grid-column> <!-- Color column with <wj-flex-grid-cell-template> --> <wj-flex-grid-column binding="color" header="色" :dataMap="colors" width="*"> <wj-flex-grid-cell-template cellType="Cell" v-slot="cell"> <span class="color-tile" :style="{ background: cell.item.color }"></span> {{ cell.item.color }} </wj-flex-grid-cell-template> </wj-flex-grid-column> <!-- same with cellTemplate property --> <!-- any $ signs in cell templates must be escaped as \$ within component template --> <wj-flex-grid-column binding="color" header="色 *" :dataMap="colors" width="*" cellTemplate="<span class='color-tile' style='background:${value}'></span> ${text}" /> <wj-flex-grid-column binding="value" header="金額" format="c0" width="*" /> <!-- Color column with <wj-flex-grid-cell-template> --> <wj-flex-grid-column binding="change" header="変化量" format="p0" align="center" width="*"> <wj-flex-grid-cell-template cellType="Cell" v-slot="cell"> <span :class="cell.item.change > 0 ? 'change-up' : 'change-down'"> {{ format(cell.item.change, cell.col.format) }} </span> </wj-flex-grid-cell-template> </wj-flex-grid-column> </wj-flex-grid> <p> <b>*</b>: この列は<b>cellTemplate</b>プロパティを使用して作成されています。 </p> </div> </template> <script setup> import "https://cdnjs.cloudflare.com/ajax/libs/flag-icon-css/3.1.0/css/flag-icon.css"; import { Globalize } from "@mescius/wijmo"; import * as DataService from "./data"; import { ref } from "vue"; const data = ref(DataService.getData(20)); const products = ref(DataService.getProducts()); const colors = ref(DataService.getColors()); const countryMap = ref(DataService.getCountryMap()); function format(val, fmt) { return Globalize.format(val, fmt); } </script> <style> .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'; } </style>
<!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="compiler.js" type="module"></script> <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.js'); </script> </head> <body> <div id="app"> </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) { 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)]; }
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