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feat: dual axis legend #108
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,224 @@ | ||
| // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
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| import { omit } from "lodash"; | ||
|
|
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| import Link from "@cloudscape-design/components/link"; | ||
|
|
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| import CoreChart from "../../lib/components/internal-do-not-use/core-chart"; | ||
| import { dateFormatter } from "../common/formatters"; | ||
| import { PageSettingsForm, useChartSettings } from "../common/page-settings"; | ||
| import { Page } from "../common/templates"; | ||
| import pseudoRandom from "../utils/pseudo-random"; | ||
|
|
||
| function randomInt(min: number, max: number) { | ||
| return min + Math.floor(pseudoRandom() * (max - min)); | ||
| } | ||
|
|
||
| function shuffleArray<T>(array: T[]): void { | ||
| let currentIndex = array.length; | ||
| while (currentIndex !== 0) { | ||
| const randomIndex = Math.floor(Math.random() * currentIndex); | ||
| currentIndex--; | ||
| [array[currentIndex], array[randomIndex]] = [array[randomIndex], array[currentIndex]]; | ||
| } | ||
| } | ||
|
|
||
| const colors = [ | ||
| "#F15C80", | ||
| "#2B908F", | ||
| "#F45B5B", | ||
| "#91E8E1", | ||
| "#8085E9", | ||
| "#E4D354", | ||
| "#8D4654", | ||
| "#7798BF", | ||
| "#AAEEEE", | ||
| "#FF9655", | ||
| ]; | ||
|
|
||
| const dashStyles: Highcharts.DashStyleValue[] = [ | ||
| "Dash", | ||
| "DashDot", | ||
| "Dot", | ||
| "LongDash", | ||
| "LongDashDot", | ||
| "LongDashDotDot", | ||
| "ShortDash", | ||
| "ShortDashDot", | ||
| "ShortDashDotDot", | ||
| "ShortDot", | ||
| "Solid", | ||
| ]; | ||
|
|
||
| const baseline = [ | ||
| { x: 1600984800000, y: 58020 }, | ||
| { x: 1600985700000, y: 102402 }, | ||
| { x: 1600986600000, y: 104920 }, | ||
| { x: 1600987500000, y: 94031 }, | ||
| { x: 1600988400000, y: 125021 }, | ||
| { x: 1600989300000, y: 159219 }, | ||
| { x: 1600990200000, y: 193082 }, | ||
| { x: 1600991100000, y: 162592 }, | ||
| { x: 1600992000000, y: 274021 }, | ||
| { x: 1600992900000, y: 264286 }, | ||
| { x: 1600993800000, y: 289210 }, | ||
| { x: 1600994700000, y: 256362 }, | ||
| { x: 1600995600000, y: 257306 }, | ||
| { x: 1600996500000, y: 186776 }, | ||
| { x: 1600997400000, y: 294020 }, | ||
| { x: 1600998300000, y: 385975 }, | ||
| { x: 1600999200000, y: 486039 }, | ||
| { x: 1601000100000, y: 490447 }, | ||
| { x: 1601001000000, y: 361845 }, | ||
| { x: 1601001900000, y: 339058 }, | ||
| { x: 1601002800000, y: 298028 }, | ||
| { x: 1601003400000, y: 255555 }, | ||
| { x: 1601003700000, y: 231902 }, | ||
| { x: 1601004600000, y: 224558 }, | ||
| { x: 1601005500000, y: 253901 }, | ||
| { x: 1601006400000, y: 102839 }, | ||
| { x: 1601007300000, y: 234943 }, | ||
| { x: 1601008200000, y: 204405 }, | ||
| { x: 1601009100000, y: 190391 }, | ||
| { x: 1601010000000, y: 183570 }, | ||
| { x: 1601010900000, y: 162592 }, | ||
| { x: 1601011800000, y: 148910 }, | ||
| ]; | ||
|
|
||
| const generatePrimaryAxisData = (letter: string, index: number) => { | ||
| return baseline.map(({ x, y }) => ({ | ||
| name: `Events ${letter}`, | ||
| x, | ||
| y: y === null ? null : y + randomInt(-100000 * ((index % 3) + 1), 100000 * ((index % 3) + 1)), | ||
| })); | ||
| }; | ||
|
|
||
| const generateSecondaryAxisData = (letter: string, index: number) => { | ||
| return baseline.map(({ x, y }) => ({ | ||
| name: `Percentage ${letter}`, | ||
| x, | ||
| y: y === null ? null : (y / 10000) * randomInt(3 + (index % 5), 10 + (index % 10)), | ||
| })); | ||
| }; | ||
|
|
||
| const primarySeriesData: Record<string, ReturnType<typeof generatePrimaryAxisData>> = {}; | ||
| for (let i = 0; i < 10; i++) { | ||
| const letter = String.fromCharCode(65 + i); | ||
| primarySeriesData[`data${letter}`] = generatePrimaryAxisData(letter, i); | ||
| } | ||
|
|
||
| const secondarySeriesData: Record<string, ReturnType<typeof generatePrimaryAxisData>> = {}; | ||
| for (let i = 0; i < 10; i++) { | ||
| const letter = String.fromCharCode(65 + i); | ||
| secondarySeriesData[`data${letter}`] = generateSecondaryAxisData(letter, i); | ||
| } | ||
|
|
||
| const series: Highcharts.SeriesOptionsType[] = []; | ||
|
|
||
| Object.entries(primarySeriesData).forEach(([, data], index) => { | ||
| series.push({ | ||
| name: data[0].name, | ||
| type: "line", | ||
| data: data, | ||
| yAxis: 0, | ||
| color: colors[index], | ||
| }); | ||
| }); | ||
|
|
||
| Object.entries(secondarySeriesData).forEach(([, data], index) => { | ||
| series.push({ | ||
| name: data[0].name, | ||
| type: "line", | ||
| data: data, | ||
| yAxis: 1, | ||
| color: colors[index], | ||
| dashStyle: dashStyles[index % dashStyles.length], | ||
| }); | ||
| }); | ||
|
|
||
| shuffleArray(series); | ||
|
|
||
| export default function () { | ||
| const { chartProps } = useChartSettings(); | ||
| return ( | ||
| <Page | ||
| title="Core dual-axis chart demo" | ||
| subtitle="This page demonstrates the use of the core chart with two Y axes for displaying data with different scales." | ||
| settings={ | ||
| <PageSettingsForm | ||
| selectedSettings={[ | ||
| "showLegend", | ||
| "legendType", | ||
| "legendPosition", | ||
| "legendBottomMaxHeight", | ||
| "showLegendTitle", | ||
| "showOppositeLegendTitle", | ||
| "showLegendActions", | ||
| ]} | ||
| /> | ||
| } | ||
| > | ||
| <CoreChart | ||
| {...omit(chartProps.cartesian, "ref")} | ||
| chartHeight={400} | ||
| ariaLabel="Dual axis line chart" | ||
| tooltip={{ placement: "outside" }} | ||
| options={{ | ||
| series: series, | ||
| xAxis: [ | ||
| { | ||
| type: "datetime", | ||
| title: { text: "Time (UTC)" }, | ||
| valueFormatter: dateFormatter, | ||
| }, | ||
| ], | ||
| yAxis: [ | ||
| { | ||
| title: { text: "Events" }, | ||
| }, | ||
| { | ||
| opposite: true, | ||
| title: { text: "Percentage (%)" }, | ||
| }, | ||
| ], | ||
| }} | ||
| getLegendTooltipContent={({ legendItem }) => ({ | ||
| header: ( | ||
| <div> | ||
| <div style={{ display: "flex" }}> | ||
| {legendItem.marker} | ||
| {legendItem.name} | ||
| </div> | ||
| </div> | ||
| ), | ||
| body: ( | ||
| <> | ||
| <table> | ||
| <tbody style={{ textAlign: "left" }}> | ||
| <tr> | ||
| <th scope="row">Period</th> | ||
| <td>15 min</td> | ||
| </tr> | ||
| <tr> | ||
| <th scope="row">Statistic</th> | ||
| <td>Average</td> | ||
| </tr> | ||
| <tr> | ||
| <th scope="row">Unit</th> | ||
| <td>Count</td> | ||
| </tr> | ||
| </tbody> | ||
| </table> | ||
| </> | ||
| ), | ||
| footer: ( | ||
| <Link external={true} href="https://example.com/" variant="primary"> | ||
| Learn more | ||
| </Link> | ||
| ), | ||
| })} | ||
| /> | ||
| </Page> | ||
| ); | ||
| } |
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Why do we implement the legend layout inside the legend itself? Instead of passing the bottomMaxHeight down to the legend, you can give extra slot in the chart-container, so that it can render either a single or a double legend.