グリッド:マスター詳細

階層的なデータを処理する最も簡単な方法は、マスター詳細モデルです。マスター項目を選択すると、1つまたは複数の追加コントロールを使用してマスター項目の詳細情報を表示します。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import { CollectionView, DateTime, Control, isString } from '@grapecity/wijmo'; import { ComboBox, InputDate, InputNumber } from '@grapecity/wijmo.input'; import { FlexGrid } from '@grapecity/wijmo.grid'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // // create 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(','); var products = 'スマートフォン,パソコン,カメラ,オーディオ'.split(','); var data = []; for (var i = 0; i < 50; i++) { data.push({ id: i, country: countries[Math.floor(Math.random() * countries.length)], product: products[Math.floor(Math.random() * products.length)], date: DateTime.addDays(new Date(), i), sales: Math.random() * 10000, expenses: Math.random() * 5000, }); } // // show countries in combo var theCombo = new ComboBox('#theCombo', { itemsSource: countries, selectedIndexChanged: () => { view.refresh(); // refresh view to filter by country } }); // // create CollectionView to show items for the selected country var view = new CollectionView(data, { filter: item => { return item.country == theCombo.text; } }); // // show items for the selected country in the detail grid var theGridDetail = new FlexGrid('#theGridDetail', { autoGenerateColumns: false, columns: [ { binding: 'id', header: 'ID', width: 80 }, { binding: 'country', header: '国' }, { binding: 'product', header: '商品' }, { binding: 'date', header: '日付' }, { binding: 'sales', header: '売上', width: 80 }, { binding: 'expenses', header: '費用', width: 80 }, ], itemsSource: view }); // // using a grid as the master var theGridMaster = new FlexGrid('#theGridMaster', { autoGenerateColumns: false, columns: [ { binding: 'id', header: 'ID', width: 80 }, { binding: 'country', header: '国' }, { binding: 'product', header: '商品' }, { binding: 'date', header: '日付' }, { binding: 'sales', header: '売上', width: 80 }, { binding: 'expenses', header: '費用', width: 80 }, ], itemsSource: data, selectionMode: 'Row', isReadOnly: true, selectionChanged: (s, e) => { updateDetailControls(); } }); // // update detail controls when selection changes function updateDetailControls() { var item = theGridMaster.collectionView.currentItem; var bndCtls = document.querySelectorAll('.bnd-ctl'); for (var i = 0; i < bndCtls.length; i++) { var host = bndCtls[i]; var prop = host.id.substr(3).toLowerCase(); var ctl = Control.getControl(host); if (isString(item[prop])) { ctl['text'] = item[prop]; } else { ctl['value'] = item[prop]; } } } // // set a property on the current item function setProperty(prop, val) { var v = theGridMaster.collectionView; v.editItem(v.currentItem); v.currentItem[prop] = val; v.commitEdit(); } // // define detail controls var theCountry = new ComboBox('#theCountry', { itemsSource: countries, text: data[0].country, textChanged: (s, e) => { setProperty('country', s.text); } }); var theProduct = new ComboBox('#theProduct', { itemsSource: products, text: data[0].product, textChanged: (s, e) => { setProperty('product', s.text); } }); var theDate = new InputDate('#theDate', { value: data[0].date, valueChanged: (s, e) => { setProperty('date', s.value); } }); var theSales = new InputNumber('#theSales', { format: 'n2', step: 10, value: data[0].sales, valueChanged: (s, e) => { setProperty('sales', s.value); } }); var theExpenses = new InputNumber('#theExpenses', { format: 'n2', step: 10, value: data[0].expenses, valueChanged: (s, e) => { setProperty('expenses', s.value); } }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Master-Detail Separate Grids</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"> <p> たとえば、下のComboBoxはマスターコントロールとして使用されます。コンボから国を選択すると、下のグリッドにその国の項目が表示されます。</p> <label> 国を選択: <div id="theCombo"></div> </label> <div id="theGridDetail"></div> <p> 次の例では、FlexGridがマスターコントロールとして使用されています。グリッド上の項目を選択し、下のコントロールで詳細を確認します。</p> <h3> マスター</h3> <div id="theGridMaster"></div> <h3> 詳細</h3> <table class="tbl-spaced"> <tr> <td>国:</td> <td id="theCountry" class="bnd-ctl"></td> </tr> <tr> <td>商品:</td> <td id="theProduct" class="bnd-ctl"></td> </tr> <tr> <td>日付:</td> <td id="theDate" class="bnd-ctl"></td> </tr> <tr> <td>売上:</td> <td id="theSales" class="bnd-ctl"></td> </tr> <tr> <td>費用:</td> <td id="theExpenses" class="bnd-ctl"></td> </tr> </table> <p></p> <div class="panel panel-warning"> <div class="panel-heading"> この例では、フレームワークを使用していないため、かなりの量のコードが必要です。Angular、React、Vueでは、子コントロールを更新するためのコードは必要ありません。 </div> </div> </div> </body> </html>
.wj-flexgrid { max-height: 220px; margin: 6px 0px; } .tbl-spaced td { vertical-align: middle; margin: 3px; } body { margin-bottom: 24pt; }
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