チャート:軸グループ

FlexChartの軸は、チャートのデータソースとして指定されたCollectionViewで定義されたグループをサポートしています。 グループを表示するには、CollectionViewでグループを作成し、axis.groupsOptionsプロパティを設定する必要があります。

サンプルコード:chart.axisX.groupsOptions = { display : AxisGroupsDisplay.Show }

import "bootstrap.css"; import "@mescius/wijmo.styles/wijmo.css"; import "./styles.css"; import { CollectionView, SortDescription, PropertyGroupDescription } from "@mescius/wijmo"; import { Menu } from "@mescius/wijmo.input"; import { FlexChart, ChartType, Position, AxisGroupsDisplay } from "@mescius/wijmo.chart"; import { getData } from "./data"; document.readyState === "complete" ? init() : (window.onload = init); function init() { // create view with groups let view = new CollectionView(getData(), { sortDescriptions: [new SortDescription("sales", false)], groupDescriptions: [ new PropertyGroupDescription("category"), new PropertyGroupDescription("subCategory"), ], }); // const chart = new FlexChart("#theChart", { chartType: "Column", itemsSource: view, bindingX: "product", series: [{ binding: "sales", name: "Sales" }], axisX: { labelAngle: -90 }, legend: { position: "None" }, header: 'カテゴリー別売上' }); // new Menu("#groups", { textChanged: function (s) { chart.axisX.groupsOptions = chart.axisY.groupsOptions = { display: AxisGroupsDisplay[s.text], }; s.header = `グループ化: <b>${s.selectedItem}</b>`; }, itemsSource: "Show,ShowGrid,None".split(","), }); // new Menu("#axis", { textChanged: function (s) { const position = Position[s.text]; s.header = `表示位置: <b>${s.selectedItem}</b>`; const isBar = position === Position.Left || position === Position.Right; // 'rotate' chart according to the position chart.chartType = isBar ? ChartType.Bar : ChartType.Column; chart.axisX.labelAngle = isBar ? 0 : -90; chart.axisX.majorGrid = isBar; chart.axisX.position = isBar ? Position.Auto : position; chart.axisY.majorGrid = !isBar; chart.axisY.position = isBar ? position : Position.Auto; }, itemsSource: "Bottom,Top,Left,Right".split(","), }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <title>MESCIUS Wijmo FlexChart Axis Groups</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> <div id="groups"></div> <div id="axis"></div> </div> <div id="theChart"></div> </div> </body> </html>
export function getData() { const categories = [ 'Electronics', 'Computers & Tablets' ]; const subCategories = [ ['Camera', 'Headphones', 'Cell Phones'], ['Desktops', 'Laptops', 'Tablets'] ]; const products = [ [ ['Digital', 'Film', 'Lenses', 'Video', 'Accessories'], ['Earbud', 'Over-ear', 'On-ear', 'Bluetooth', 'Noise-cancelling', 'Audiophile headphones'], ['Cell Phones', 'Accessories'], ], [ ['All-in-ones', 'Minis', 'Towers'], ['2 in 1', 'Traditional'], ['iOS', 'Android', 'Windows'] ] ]; let data = []; for (let i = 0; i < categories.length; i++) { for (let j = 0; j < subCategories[i].length; j++) { for (let k = 0; k < products[i][j].length; k++) { data.push({ id: i, category: categories[i], subCategory: subCategories[i][j], product: products[i][j][k], sales: Math.random() * 100, }); } } } // return data; }
.wj-flexchart .wj-axis-x .wj-label, .wj-flexchart .wj-axis-y .wj-label{ font-size: small; } .wj-menu { margin: 4px 4px 4px 0; } .wj-control.wj-flexchart { height: 480px; } body { margin-bottom: 24pt; }
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