グリッド:チェックボックスによる選択

Selectorクラスを使用すると、チェックボックスで行を選択することができます。

この選択スキームは、通常は拡張選択を作成するために使用されるShiftキーとCtrlキーを持たないモバイルデバイスで最適に機能します。

Selectorクラスは、フラットビューおよび階層ビューで機能します。階層ビューで使用すると、ユーザーはグループ全体の選択状態を一度に切り替えることができます。

Selectorクラスは、行ヘッダー列および通常のスクロール可能なデータ列で使用できます。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import { FlexGrid, HeadersVisibility } from '@grapecity/wijmo.grid'; import { Selector } from '@grapecity/wijmo.grid.selector'; import { CollectionView, PropertyGroupDescription } from '@grapecity/wijmo'; import { getData } from './data'; document.readyState === 'complete' ? init() : window.onload = init; function init() { // create the data (start grouped) let view = new CollectionView(getData(30)); setGroups(true); // create the grid let theGrid = new FlexGrid('#theGrid', { deferResizing: true, showMarquee: true, alternatingRowStep: 0, autoGenerateColumns: false, columns: [ { binding: 'id', header: 'ID', isReadOnly: true }, { binding: 'country', header: '国' }, { binding: 'product', header: '商品' }, { binding: 'discount', header: '値引', format: 'p0' }, { binding: 'downloads', header: 'DL数' }, { binding: 'sales', header: '売上' }, { binding: 'expenses', header: '費用' } ], itemsSource: view }); // create the Selector let selector = new Selector(theGrid, { itemChecked: () => { showCheckedCount(); } }); // toggle groups document.getElementById('groups').addEventListener('click', e => { setGroups(e.target.checked); }); function setGroups(groupsOn) { let groups = view.groupDescriptions; groups.clear(); if (groupsOn) { groups.push(new PropertyGroupDescription('country'), new PropertyGroupDescription('product')); } } // toggle header column document.getElementById('header').addEventListener('click', e => { setHeaderColumn(e.target.checked); }); function setHeaderColumn(headerOn) { theGrid.headersVisibility = headerOn ? HeadersVisibility.All : HeadersVisibility.Column; selector.column = headerOn ? theGrid.rowHeaders.columns[0] : theGrid.columns[0]; } // show checked items showCheckedCount(); function showCheckedCount() { let cnt = document.getElementById('checked-count'); cnt.textContent = theGrid.selectedItems.length.toString(); } }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Selector: Checkbox Selection</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"> <label> グループ化 <input id="groups" type="checkbox" checked /> </label> <label> ヘッダー列 <input id="header" type="checkbox" checked /> </label> <p> <b><span id="checked-count">0</span></b>個の項目が選択されています。 </p> <div id="theGrid"></div> </div> </body> </html>
export function getData(count) { var countries = 'アメリカ,ドイツ,イギリス,日本,イタリア,ギリシャ'.split(','), products = 'ウィジェット,ガジェット,ツール'.split(','), data = []; for (var i = 0; i < count; i++) { var item = { id: i, country: pickOne(countries), product: pickOne(products), discount: Math.random() * .3, downloads: Math.round(Math.random() * 200000), sales: Math.random() * 100000, expenses: Math.random() * 50000 }; data.push(item); } return data; } function pickOne(items) { return items[randBetween(0, items.length - 1)]; } function randBetween(min, max) { return Math.floor(Math.random() * (max - min + 1) + min); }
/* fixed grid height */ .wj-flexgrid { height: 350px; } /* some extra cell padding */ .wj-flexgrid .wj-cell { padding: 8px; } /* some space after the labels */ label { margin-right: 4em; }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true }, meta: { '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'jszip': 'npm:jszip/dist/jszip.js', '@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js', '@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js', '@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles', '@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures', '@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js', '@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js', '@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js', '@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js', '@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js', '@grapecity/wijmo.chart.finance.analytics': 'npm:@grapecity/wijmo.chart.finance.analytics/index.js', '@grapecity/wijmo.chart.hierarchical': 'npm:@grapecity/wijmo.chart.hierarchical/index.js', '@grapecity/wijmo.chart.interaction': 'npm:@grapecity/wijmo.chart.interaction/index.js', '@grapecity/wijmo.chart.radar': 'npm:@grapecity/wijmo.chart.radar/index.js', '@grapecity/wijmo.chart.render': 'npm:@grapecity/wijmo.chart.render/index.js', '@grapecity/wijmo.gauge': 'npm:@grapecity/wijmo.gauge/index.js', '@grapecity/wijmo.grid': 'npm:@grapecity/wijmo.grid/index.js', '@grapecity/wijmo.grid.detail': 'npm:@grapecity/wijmo.grid.detail/index.js', '@grapecity/wijmo.grid.filter': 'npm:@grapecity/wijmo.grid.filter/index.js', '@grapecity/wijmo.grid.search': 'npm:@grapecity/wijmo.grid.search/index.js', '@grapecity/wijmo.grid.grouppanel': 'npm:@grapecity/wijmo.grid.grouppanel/index.js', '@grapecity/wijmo.grid.multirow': 'npm:@grapecity/wijmo.grid.multirow/index.js', '@grapecity/wijmo.grid.transposed': 'npm:@grapecity/wijmo.grid.transposed/index.js', '@grapecity/wijmo.grid.pdf': 'npm:@grapecity/wijmo.grid.pdf/index.js', '@grapecity/wijmo.grid.sheet': 'npm:@grapecity/wijmo.grid.sheet/index.js', '@grapecity/wijmo.grid.xlsx': 'npm:@grapecity/wijmo.grid.xlsx/index.js', '@grapecity/wijmo.grid.selector': 'npm:@grapecity/wijmo.grid.selector/index.js', '@grapecity/wijmo.grid.cellmaker': 'npm:@grapecity/wijmo.grid.cellmaker/index.js', '@grapecity/wijmo.nav': 'npm:@grapecity/wijmo.nav/index.js', '@grapecity/wijmo.odata': 'npm:@grapecity/wijmo.odata/index.js', '@grapecity/wijmo.olap': 'npm:@grapecity/wijmo.olap/index.js', '@grapecity/wijmo.pdf': 'npm:@grapecity/wijmo.pdf/index.js', '@grapecity/wijmo.viewer': 'npm:@grapecity/wijmo.viewer/index.js', '@grapecity/wijmo.xlsx': 'npm:@grapecity/wijmo.xlsx/index.js', '@grapecity/wijmo.undo': 'npm:@grapecity/wijmo.undo/index.js', '@grapecity/wijmo.interop.grid': 'npm:@grapecity/wijmo.interop.grid/index.js', 'jszip': 'npm:jszip/dist/jszip.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', '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: 'js' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);