グリッド:セルの手動描画

このサンプルは、formatItemコールバック関数を使用して手動でセルを描画する方法を示しています。formatItem関数を使用すると、背景色、フォント、セル値の変更などの単純なセルのカスタマイズに加えて、手動でセルを描画できます。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as grid from '@grapecity/wijmo.grid'; import * as gridPdf from '@grapecity/wijmo.grid.pdf'; import { PdfFont } from '@grapecity/wijmo.pdf'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { let flexGrid = new grid.FlexGrid('#flexGrid', { autoGenerateColumns: false, selectionMode: grid.SelectionMode.ListBox, headersVisibility: grid.HeadersVisibility.All, columns: [ { header: 'ID', binding: 'id' }, { header: '国', binding: 'country', isReadOnly: true }, { header: '商品', binding: 'product' }, { header: '色', binding: 'color' } ], formatItem: (sender, e) => { if (e.panel === sender.cells && sender.columns[e.col].binding === 'country') { let data = e.panel.rows[e.row].dataItem; // e.cell.textContent = ''; // // add flag image let image = document.createElement('img'); image.src = `resources/${data['countryEn']}.png`; e.cell.appendChild(image); // // add non-breaking space e.cell.appendChild(document.createTextNode('\u00A0')); // // add text e.cell.appendChild(document.createTextNode(`${data['country']}`)); } }, itemsSource: getData(5) }); // document.querySelector('#btnExport').addEventListener('click', () => { gridPdf.FlexGridPdfConverter.export(flexGrid, 'FlexGrid.pdf', { embeddedFonts: [{ source: 'https://demo.grapecity.com/wijmo/sample/fonts/ipaexg.ttf', name: 'ipaexg' }], styles: { cellStyle: { font: { family: 'ipaexg' } } }, maxPages: 10, documentOptions: { header: { declarative: { text: '\t&[Page] / &[Pages]' } }, footer: { declarative: { text: '\t&[Page] / &[Pages]' } } }, formatItem: (args) => { if (args.panel.cellType === grid.CellType.Cell) { if (args.panel.columns[args.col].binding === 'country') { let r = args.contentRect, sz = args.canvas.measureText(args.data, args.style.font, { height: r.height, width: r.width }), image = args.canvas.openImage(`resources/${args.panel.grid.rows[args.row].dataItem.countryEn}.png`), imageTop = r.top + (r.height - image.height) / 2, textTop = r.top + (r.height - sz.size.height) / 2; // // draw flag image args.canvas.drawImage(image, r.left, imageTop); // // draw text args.canvas.drawText(args.data, r.left + image.width + 3, textTop, { brush: args.style.color, font: new PdfFont('ipaexg'), height: r.height, width: r.width }); // // cancel standard cell content drawing args.cancel = true; } } } }); }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Drawing cells manually</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"> <!-- Export button --> <button class="btn btn-default" id="btnExport">エクスポート</button> <!-- FlexGrid --> <div id="flexGrid" class="grid"></div> </div> </body> </html>
export function getData(count) { // data used to generate random items const countriesEn = ['US', 'Germany', 'UK', 'Japan', 'Italy', 'Greece']; const countries = ['アメリカ', 'ドイツ', 'イギリス', '日本', 'イタリア', 'ギリシャ']; const products = ['ウィジェット', 'ガジェット', 'ツール']; const colors = ['オレンジ', '白', '赤', '緑', '青']; // let data = []; // // add count items for (let i = 0; i < count; i++) { // constants used to create data items let countryId = Math.floor(Math.random() * countries.length), productId = Math.floor(Math.random() * products.length), colorId = Math.floor(Math.random() * colors.length); // // create the item let item = { id: i, countryEn: countriesEn[countryId], country: countries[countryId], product: products[productId], color: colors[colorId] }; // // add the item to the list data.push(item); } // return data; }
body { margin-bottom: 24px; } .grid { margin-top: 20px; height: 200px; }
(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.chart.webgl': 'npm:@grapecity/wijmo.chart.webgl/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', '@grapecity/wijmo.touch': 'npm:@grapecity/wijmo.touch/index.js', '@grapecity/wijmo.cloud': 'npm:@grapecity/wijmo.cloud/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);