コンボボックス:分類グループ

このサンプルは、formatItemイベントを使用して、ComboBoxドロップダウンリストの特定の項目を無効にして書式設定します。項目はデータで分類され、各分類リストにヘッダが追加されて分類グループが作成されます。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as input from '@grapecity/wijmo.input'; import { getOptions } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // create the combo let theCombo = new input.ComboBox('#theCombo', { displayMemberPath: 'header', formatItem: formatListItem, itemsSource: getOptions(), selectedIndex: 1 // after setting itemsSource }); // // create the AutoComplete let theAutoComplete = new input.AutoComplete('#theAutoComplete', { displayMemberPath: 'header', formatItem: formatListItem, itemsSource: getOptions(), selectedIndex: 1 // after setting itemsSource }); // // format list items to format and disable category names function formatListItem(sender, e) { let dataItem = e.data; if (dataItem.category) { e.item.classList.add('category'); e.item.classList.add('wj-state-disabled'); } } }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Categorized ComboBox and 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'); </script> </head> <body> <div class="container-fluid"> <div id="theCombo"></div> <p> <b>AutoComplete</b>コントロールでも同じ方法を適用することができます。 </p> <div id="theAutoComplete"></div> </div> </body> </html>
// // get categorized list of options for the combo export function getOptions() { return [ { header: '色', category: true }, { header: '赤' }, { header: '緑' }, { header: '青' }, { header: '白' }, { header: '黒' }, { header: '紫' }, { header: 'フレーバー', category: true }, { header: 'チョコレート' }, { header: 'バニラ' }, { header: 'ロッキーロード' }, { header: 'アーモンド' }, { header: 'パイナップル' }, { header: 'イチゴ' }, { header: 'テクスチャ', category: true }, { header: 'なめらか' }, { header: 'やわらか' }, { header: '波状' }, { header: '粗い' } ]; }
.wj-listbox-item.category { padding-top: 4px; padding-left: 5px; font-size: 120%; font-weight: bold; background: #f0f0f0; color: #808080; position: sticky; top: 0; opacity: 1; } .wj-combobox { margin-bottom: 12px; } body { margin-bottom: 24px; }
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