グリッド:スパークライン

FlexGridは、セルをデータに連結し、CSSを使用してセルを書式設定するための強固な仕組みを提供します。しかし、場合によってはそれでは不十分な場合があります。そのような場合は、formatItemイベントを使用して、各セルに表示されるスタイルまたはコンテンツをカスタマイズしてください。以下のグリッドでは、formatItemを使用して、評価の星記号とスパークラインでセルを書式設定します。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as wjGrid from '@grapecity/wijmo.grid'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // // generate some data var data = [ { rank: 1, title: 'The Wizard of Oz', rating: 4, attendance: getArr(40), revenue: getArr(20) }, { rank: 2, title: 'Citizen Kane', rating: 5, attendance: getArr(40), revenue: getArr(20) }, { rank: 3, title: 'The Godfather', rating: 5, attendance: getArr(40), revenue: getArr(20) }, { rank: 4, title: 'Metropolis', rating: 4, attendance: getArr(40), revenue: getArr(20) }, { rank: 5, title: 'Singing\' in the Rain', rating: 2, attendance: getArr(40), revenue: getArr(20) }, { rank: 6, title: 'Casablanca', rating: 3, attendance: getArr(40), revenue: getArr(20) }, { rank: 7, title: 'Alien', rating: 5, attendance: getArr(40), revenue: getArr(20) }, { rank: 8, title: 'Vertigo', rating: 2, attendance: getArr(40), revenue: getArr(20) }, { rank: 9, title: 'Gone with the Wind', rating: 4, attendance: getArr(40), revenue: getArr(20) }, { rank: 10, title: 'Chinatown', rating: 2, attendance: getArr(40), revenue: getArr(20) } ]; function getArr(len) { var arr = []; for (var i = 0; i < len; i++) { arr.push(Math.round(Math.random() * 100)); } return arr; } // // column properties var theGrid = new wjGrid.FlexGrid('#theGrid', { isReadOnly: true, allowResizing: 'None', alternatingRowStep: 0, autoGenerateColumns: false, columns: [ { binding: 'rank', header: '順位', width: 50 }, { binding: 'title', header: 'タイトル', width: '2*' }, { binding: 'rating', header: '評価', align: 'center', cssClass: 'cell-rating', width: '*' }, { binding: 'attendance', header: '動員数', cssClass: 'cell-attendance', width: '2*' }, { binding: 'revenue', header: '興行収入', cssClass: 'cell-revenue', width: '2*' }, ], itemsSource: data, formatItem: function (s, e) { if (e.panel == s.cells) { var item = s.rows[e.row].dataItem; switch (s.columns[e.col].binding) { case 'rating': formatRatingCell(e.cell, item.rating); break; case 'attendance': formatAttendanceCell(e.cell, item.attendance); break; case 'revenue': formatRevenueCell(e.cell, item.revenue); break; } } } }); // function formatRatingCell(cell, rating) { var html = '<div aria-label="rating:' + rating + ' stars">'; for (var i = 0; i < rating; i++) { html += '<span class="glyphicon glyphicon-star"></span>'; } html += '</div>'; cell.innerHTML = html; } function formatAttendanceCell(cell, data) { cell.innerHTML = getSparklines(data); } function formatRevenueCell(cell, data) { cell.innerHTML = getSparkbars(data); } // // // generate sparklines as SVG function getSparklines(data) { var svg = '', min = Math.min.apply(Math, data), max = Math.max.apply(Math, data), x1 = 0, y1 = scaleY(data[0], min, max), x2, y2; for (var i = 1; i < data.length; i++) { x2 = Math.round((i) / (data.length - 1) * 100); y2 = scaleY(data[i], min, max); svg += '<line x1=' + x1 + '% y1=' + y1 + '% x2=' + x2 + '% y2=' + y2 + '% />'; x1 = x2; y1 = y2; } return wrapSvg(svg, 'sparklines'); } function getSparkbars(data) { var svg = '', min = Math.min.apply(Math, data), max = Math.max.apply(Math, data), base = Math.min(max, Math.max(min, 0)), basey = scaleY(base, min, max), w = Math.round(100 / data.length) - 2, x, y; for (var i = 0; i < data.length; i++) { x = i * Math.round(100 / data.length) + 1; y = scaleY(data[i], min, max); svg += '<rect x=' + x + '% width=' + w + '% y=' + Math.min(y, basey) + '% height=' + Math.abs(y - basey) + '% />'; } svg += '<rect x=0% width=100% height=1 y=' + basey + '% opacity=.5 />'; return wrapSvg(svg, 'sparkbars'); } // function scaleY(value, min, max) { return 100 - Math.round((value - min) / (max - min) * 100); } function wrapSvg(svg, title) { return '<div aria-label="' + title + '" ' + 'style="width:100%;height:100%;box-sizing:border-box;padding:4px">' + '<svg width="100%" height="100%" style="stroke:currentColor;"><g>' + svg + '</g></svg></div>'; } // }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Sparklines</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"> <div id="theGrid"> </div> </div> </body> </html>
.wj-flexgrid { max-height: 250px; margin: 10px 0; } .cell-rating { color: gold; } .cell-attendance:not(.wj-state-selected):not(.wj-state-multi-selected), .cell-revenue:not(.wj-state-selected):not(.wj-state-multi-selected){ color: blue; } body { margin-bottom: 20px; }
(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.transposedmultirow': 'npm:@grapecity/wijmo.grid.transposedmultirow/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.pdf.security': 'npm:@grapecity/wijmo.pdf.security/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', '@grapecity/wijmo.barcode': 'npm:@grapecity/wijmo.barcode/index.js', '@grapecity/wijmo.barcode.common': 'npm:@grapecity/wijmo.barcode.common/index.js', '@grapecity/wijmo.barcode.composite': 'npm:@grapecity/wijmo.barcode.composite/index.js', '@grapecity/wijmo.barcode.specialized': 'npm:@grapecity/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);