グリッド:ソート

グリッドは、ソースのCollectionViewを介してソートをサポートしています。デフォルトでは、任意の列ヘッダーをクリックすると、クリックされた列に基づいてデータがソートされます。

同じ列ヘッダーを再度クリックすると、逆の順にソートされます。列ヘッダーをControlキーを押しながらクリックすると、ソートが削除されます。

グリッドのshowSortおよびallowSortingプロパティを使用してソートの動作をカスタマイズできます。

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; import * as wjGrid from '@mescius/wijmo.grid'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // // generate some random data var countries = 'アメリカ,ドイツ,イギリス,日本,イタリア,ギリシャ'.split(','), data = []; for (var i = 0; i < countries.length; i++) { data.push({ id: i, country: countries[i], downloads: Math.round(Math.random() * 20000), sales: Math.random() * 10000, expenses: Math.random() * 5000 }); } // var theGrid = new wjGrid.FlexGrid('#theGrid', { deferResizing: true, sortOrder: wjGrid.SortOrder.AscDesc, autoGenerateColumns: false, columns: [ { binding: 'id', header: 'ID', width: 60, allowSorting: false }, { binding: 'country', header: '国' }, { binding: 'sales', header: '売上' }, { binding: 'expenses', header: '費用' } ], itemsSource: data }); // document.getElementById("cboFlexGridSortOrder").value = wjGrid.SortOrder[theGrid.sortOrder]; let cboColumns = document.getElementById("cboColumns"); let colList = document.getElementById("colList"); for (let c = 0; c < theGrid.columns.length; c++) { let col = theGrid.columns[c]; if (col.allowSorting) { cboColumns.options.add(new Option(col.header, c.toString())); } let sortOrder = theGrid.columns[c].sortOrder == null ? col.allowSorting ? 'デフォルト' : 'null' : wjGrid.SortOrder[theGrid.columns[c].sortOrder]; let li = document.createElement('li'); let liContent = document.createElement('p'); liContent.innerHTML = col.header + " - <b>" + sortOrder + "</b>"; li.appendChild(liContent); colList.appendChild(li); } document.getElementById("cboFlexGridSortOrder").addEventListener('change', (s) => { theGrid.sortOrder = wjGrid.SortOrder[s.target.value]; }); document.getElementById("cboColumns").addEventListener('change', (s) => { if (s.target.value == "-1") document.getElementById("cboColumnSortOrder").setAttribute('disabled', 'disabled'); else { document.getElementById("cboColumnSortOrder").removeAttribute('disabled'); let selCol = document.getElementById('cboColumns').value; document.getElementById("cboColumnSortOrder").value = theGrid.columns[selCol].sortOrder == null ? null : wjGrid.SortOrder[theGrid.columns[selCol].sortOrder]; } }); document.getElementById("cboColumnSortOrder").addEventListener('change', (s) => { let selCol = document.getElementById('cboColumns').value; let selSortOrder = document.getElementById('cboColumnSortOrder').value; if (selCol != 'null') { theGrid.columns[selCol].sortOrder = selSortOrder == 'null' ? null : selSortOrder; } if (selSortOrder == 'null') selSortOrder = 'デフォルト'; colList.children[selCol].innerHTML = theGrid.columns[selCol].header + " - <b>" + selSortOrder + "</b>"; }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexGrid Sorting</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"> <div class="panel-group"> <div class="panel panel-default"> <div class="panel-heading"> <h4 class="panel-title"> ソート順序を設定する </h4> </div> <div class="panel-body"> <ul class="list-inline"> <li>FlexGrid </li> <li> <select id="cboFlexGridSortOrder"> <option value="AscDesc" selected>AscDesc</option> <option value="DescAsc">DescAsc</option> <option value="AscDescNone">AscDescNone</option> <option value="DescAscNone">DescAscNone</option> </select> </li> </ul> <ul class="list-inline"> <li>列 </li> <li> <select id="cboColumns"> <option value="-1" selected>--列を選択--</option> </select> </li> <li> <select id="cboColumnSortOrder" disabled> <option value="null" selected>デフォルト</option> <option value="AscDesc">AscDesc</option> <option value="DescAsc">DescAsc</option> <option value="AscDescNone">AscDescNone</option> <option value="DescAscNone">DescAscNone</option> </select> </li> </ul> <ul class="list-inline" id="colList"> </ul> </div> </div> </div> <div id="theGrid"></div> </div> </body> </html>
.wj-flexgrid { height: 200px; margin:10px 0; }
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