グリッド:制限付きのセル結合

デフォルトでは、FlexGridは、隣接するセルの内容にかかわらず、同じ内容のセルを結合します。

この例では、前の列のセルに同じ値が含まれている場合にのみ、セルを垂直方向に結合するカスタム結合マネージャを使用します。

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; import * as wjGrid from '@mescius/wijmo.grid'; import * as wjCore from '@mescius/wijmo'; export class RestrictedMergeManager extends wjGrid.MergeManager { getMergedRange(p, r, c, clip = true) { // // create basic cell range var rng = null; // // start with single cell rng = new wjGrid.CellRange(r, c); var pcol = c > 0 ? c - 1 : c; // // get reference values to use for merging var val = p.getCellData(r, c, false); var pval = p.getCellData(r, pcol, false); // // expand up while (rng.row > 0 && p.getCellData(rng.row - 1, c, false) == val && p.getCellData(rng.row - 1, pcol, false) == pval) { rng.row--; } // // expand down while (rng.row2 < p.rows.length - 1 && p.getCellData(rng.row2 + 1, c, false) == val && p.getCellData(rng.row2 + 1, pcol, false) == pval) { rng.row2++; } // // don't bother with single-cell ranges if (rng.isSingleCell) { rng = null; } // // done return rng; } } // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // ランダムなデータを作成する var countries = 'アメリカ,ドイツ,イギリス,日本,イタリア,ギリシャ'.split(','), customers = '成宮 真紀,山本 雅治'.split(','); let data = []; for (var i = 0; i < 12; i++) { data.push({ customer: customers[i % customers.length], country: countries[i % countries.length], downloads: Math.round(Math.random() * 20000), sales: Math.random() * 5000, expenses: Math.random() * 5000 }); } // show the data in a grid var theGrid = new wjGrid.FlexGrid('#theGrid', { allowMerging: 'Cells', autoGenerateColumns: false, alternatingRowStep: 0, columns: [ { binding: 'country', header: '国', allowMerging: true }, { binding: 'customer', header: '顧客', allowMerging: true }, { binding: 'downloads', header: 'DL数' }, { binding: 'sales', header: '売上' }, { binding: 'expenses', header: '費用' } ], itemsSource: new wjCore.CollectionView(data, { sortDescriptions: ['customer', 'country'] }) }); // apply the custom merge manager theGrid.mergeManager = new RestrictedMergeManager(); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS WijmoFlexGrid Restricted Merging</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 id="theGrid"> </div> </div> </body> </html>
.wj-flexgrid { max-height: 300px; } body { margin-bottom: 24px; }
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