グリッド:マウスイベント

マウスイベントを処理するには、グリッドのhostElementにリスナーを追加し、hitTest メソッドを使用して、クリックされたグリッドパネルとセルを特定します。以下のグリッドは「mousemove」イベントにアタッチされたハンドラを持ち、マウスの下の要素に関する情報を表示します。

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'; // 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'.split(','); var data = []; for (var i = 0; i < 20; i++) { data.push({ id: i, country: countries[i % countries.length], sales: Math.random() * 10000, expenses: Math.random() * 5000, overdue: i % 4 == 0 }); } // // bind a grid to the data var theGrid = new wjGrid.FlexGrid('#theGrid', { autoGenerateColumns: false, columns: [ { binding: 'id', header: 'ID', width: 80 }, { binding: 'country', header: '国' }, { binding: 'sales', header: '売上', width: 80 }, { binding: 'expenses', header: '費用', width: 80 }, { binding: 'overdue', header: '期限切れ' }, ], itemsSource: new wjCore.CollectionView(data, { groupDescriptions: ['country'] // group data by country }), formatItem: function (s, e) { if (e.panel == s.cells) { if (s.columns[e.col].binding == 'country' && !(s.rows[e.row] instanceof wjGrid.GroupRow)) { if (s.editRange != null && s.editRange.contains(e.row, e.col)) { let spanEle = document.createElement('span'); spanEle.className = 'my-button'; spanEle.innerHTML = '&#x2b24;'; s.activeEditor.style.width = '75%'; e.cell.insertBefore(spanEle, s.activeEditor); } else { let html = '<span class="my-button">&#x2b24;</span>' + e.cell.innerHTML; e.cell.innerHTML = html; } } } } }); // // monitor and log mouse moves var logEl = document.getElementById('log'); theGrid.addEventListener(theGrid.hostElement, 'mousemove', function (e) { var ht = theGrid.hitTest(e); var logText = wjCore.format('パネル: <b>{cellType}</b>、行: <b>{row}</b>、列: <b>{col}</b>', { cellType: wjGrid.CellType[ht.cellType], row: ht.row, col: ht.col }); if (e.target.classList.contains('my-button')) { logText += ' (ボタン)'; } else if (e.target.tagName == 'INPUT' && e.target.type == 'checkbox') { logText += ' (チェックボックス)'; } else if (ht.panel == theGrid.cells) { if (theGrid.rows[ht.row] instanceof wjGrid.GroupRow) { logText += ' (グループ行)'; } else { logText += ' (値: <b>' + theGrid.cells.getCellData(ht.row, ht.col, true) + '</b>)'; } } logEl.innerHTML = logText; }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexGrid Mouse Events</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" referrerpolicy="no-referrer"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div id="log"> グリッドの上にマウスを移動してください </div> <div id="theGrid"> </div> </div> </body> </html>
.wj-flexgrid { max-height: 220px; } #log { font-style: italic; text-align: center; margin-bottom: 10px; opacity: .5; } .my-button { opacity: .5; margin: 0 6px; } .my-button:hover { color: orange; } body { margin-bottom: 24px; }
(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', '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js', '@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js', '@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js', '@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js', '@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js', '@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js', '@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js', '@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js', '@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js', '@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js', '@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js', '@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js', '@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js', '@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js', '@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js', '@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js', '@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js', '@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js', '@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js', '@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js', '@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js', '@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js', '@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js', '@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js', '@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js', '@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js', '@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js', '@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js', '@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js', '@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js', '@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js', '@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js', '@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/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);