チャート:パレット

FlexChartは、デフォルトのパレットに基づいて各シリーズのカラーを自動的に選択します。これは、 palette プロパティを設定することでオーバーライドできます。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as wj from '@grapecity/wijmo'; import { FlexChart, FlexPie, Palettes } from '@grapecity/wijmo.chart'; import * as wjInput from '@grapecity/wijmo.input'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // create the chart let theChart = new FlexChart('#theChart', { header: '各国のGDP', itemsSource: getData(), tooltip: { content: '<b>{country}</b><br>{value}' }, bindingX: 'country', series: [ { binding: '2016' } ], itemFormatter: (engine, ht, defaultRenderer) => { const pal = theChart.palette ? theChart.palette : Palettes.standard; engine.fill = pal[ht.pointIndex]; // each bar has own color engine.stroke = null; defaultRenderer(); } }); // let thePie = new FlexPie('#thePie', { header: '各国のGDP', footer: '2016, in USD billions', itemsSource: getData(), bindingName: 'country', binding: '2016', itemFormatter: (engine, ht, defaultRenderer) => { let clr = new wj.Color(engine.fill); clr.a = 1; // use opaque color engine.fill = clr.toString(); engine.stroke = null; defaultRenderer(); } }); // select the chart palette let thePalette = new wjInput.ComboBox('#thePalette', { itemsSource: getPalettes(), displayMemberPath: 'name', showGroups: true, selectedIndexChanged: (s) => theChart.palette = thePie.palette = s.selectedItem.colors, formatItem: (sender, e) => { let item = e.data; if (item.name && item.colors) { // create palette swatch let html = '<div style="width:100px;display:inline-block">' + item.name + '</div>'; item.colors.forEach(clr => { html += `<div style="width:1em;height:1em;display:inline-block;background-color:${clr};"></div>`; }); e.item.innerHTML = html; } } }); } // function getPalettes() { let items = []; let palettes = Palettes; for (let key in palettes) { if (!palettes.hasOwnProperty(key)) { continue; } if (Array.isArray(palettes[key])) { items.push({ name: key, colors: palettes[key] }); } else { for (let subkey in palettes[key]) { if (palettes[key].hasOwnProperty(subkey)) { items.push({ name: subkey, colors: palettes[key][subkey], group: key }); } } } } return new wj.CollectionView(items, { groupDescriptions: ['group'] }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart Palettes</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 class="row"> <label for="#thePalette">パレットを選択してください:</label> <div id="thePalette"></div> </div> <div class="row"> <div class="col"> <div id="theChart"></div> </div> <div class="col"> <div id="thePie"></div> </div> </div> </div> </body> </html>
// list of country GDP // https://en.wikipedia.org/wiki/List_of_IMF_ranked_countries_by_GDP export function getData() { return [ { country: 'アメリカ', '2014': 17348075, '2015': 18036650, '2016': 18624450 }, { country: '中国', '2014': 10356508, '2015': 11181556, '2016': 11232110 }, { country: '日本', '2014': 4602367, '2015': 4124211, '2016': 4936540 }, { country: 'ドイツ', '2014': 3874437, '2015': 3365293, '2016': 3479230 }, { country: 'イギリス', '2014': 2950039, '2015': 2858482, '2016': 2629190 }, { country: 'フランス', '2014': 2833687, '2015': 2420163, '2016': 2466470 }, { country: 'インド', '2014': 2051228, '2015': 2073002, '2016': 2263790 }, { country: 'イタリア', '2014': 2147744, '2015': 1815759, '2016': 1850740 } ]; }
label { margin-right: 3px; margin-left: 12px; } .row { margin-top: 0.5em; margin-bottom: 0.5em; } .col { float:left; width: 50%; } .wj-flexchart { margin: 12px; height: 360px; }
(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.chart.map': 'npm:@grapecity/wijmo.chart.map/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.rest': 'npm:@grapecity/wijmo.rest/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);