경보 영역 (React)

FlexChart의 renderingrendered 이벤트를 사용하여 일반 차트 뒤나 위에 임의 요소를 추가할 수 있습니다.

예를 들어 아래 차트는 차트의 rendering 이벤트 핸들러에 'buy' 및 'sell' 영역이 생성되어 있습니다.

FlexChart 알아보기 | FlexChart API 문서

이 데모는 React를 기반으로합니다.

app.jsx
index.html
app.css
data.jsx
import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React, { useEffect, useState } from 'react'; import useEvent from 'react-use-event-hook'; import * as wjChart from '@mescius/wijmo.react.chart'; import './app.css'; import { getData } from './data'; function App() { const [data, setData] = useState(getData()); useEffect(() => { setInterval(() => { setData(getData()); }, 1000); }, []); const chartRendering = useEvent((s, e) => { var xMin = s.axisX.actualMin.valueOf(), xMax = s.axisX.actualMax.valueOf(), yMin = s.axisY.actualMin, yMax = s.axisY.actualMax; if (isNaN(xMin) || isNaN(xMax) || isNaN(yMin) || isNaN(yMax)) { return; } drawAlarmZone(s, e.engine, xMin, 80, xMax, yMax, 'alarm-zone'); drawAlarmZone(s, e.engine, xMin, 50, xMax, 80, 'warning-zone'); drawAlarmZone(s, e.engine, xMin, yMin, xMax, 50, 'safe-zone'); }); const drawAlarmZone = (chart, engine, xMin, yMin, xMax, yMax, className) => { var pt1 = chart.dataToPoint(xMin, yMin); var pt2 = chart.dataToPoint(xMax, yMax); engine.drawRect(Math.min(pt1.x, pt2.x), Math.min(pt1.y, pt2.y), Math.abs(pt2.x - pt1.x), Math.abs(pt2.y - pt1.y), className); }; return (<div className="container-fluid"> <wjChart.FlexChart itemsSource={data} header="Device Temperature Monitor" chartType="Line" bindingX="x" rendering={chartRendering}> <wjChart.FlexChartLegend position='None'/> <wjChart.FlexChartSeries binding='y' name='Temperature'/> <wjChart.FlexChartAxis wjProperty="axisY" min={0} max={100} majorGrid={false} title="Temperature(°C)"/> </wjChart.FlexChart> </div>); } const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); }
import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React, { useEffect, useState } from 'react'; import useEvent from 'react-use-event-hook'; import * as wjChart from '@mescius/wijmo.react.chart'; import './app.css'; import { getData } from './data'; function App() { const [data, setData] = useState(getData()); useEffect(() => { setInterval(() => { setData(getData()); }, 1000); }, []); const chartRendering = useEvent((s, e) => { var xMin = s.axisX.actualMin.valueOf(), xMax = s.axisX.actualMax.valueOf(), yMin = s.axisY.actualMin, yMax = s.axisY.actualMax; if (isNaN(xMin) || isNaN(xMax) || isNaN(yMin) || isNaN(yMax)) { return; } drawAlarmZone(s, e.engine, xMin, 80, xMax, yMax, 'alarm-zone'); drawAlarmZone(s, e.engine, xMin, 50, xMax, 80, 'warning-zone'); drawAlarmZone(s, e.engine, xMin, yMin, xMax, 50, 'safe-zone'); }); const drawAlarmZone = (chart, engine, xMin, yMin, xMax, yMax, className) => { var pt1 = chart.dataToPoint(xMin, yMin); var pt2 = chart.dataToPoint(xMax, yMax); engine.drawRect(Math.min(pt1.x, pt2.x), Math.min(pt1.y, pt2.y), Math.abs(pt2.x - pt1.x), Math.abs(pt2.y - pt1.y), className); }; return (<div className="container-fluid"> <wjChart.FlexChart itemsSource={data} header="Device Temperature Monitor" chartType="Line" bindingX="x" rendering={chartRendering}> <wjChart.FlexChartLegend position='None'/> <wjChart.FlexChartSeries binding='y' name='Temperature'/> <wjChart.FlexChartAxis wjProperty="axisY" min={0} max={100} majorGrid={false} title="Temperature(°C)"/> </wjChart.FlexChart> </div>); } const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo Wijmo FlexChart Alarm Zones</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
label { margin-right: 3px; } .alarm-zone { fill: red; opacity: .15; stroke-width: 0; } .warning-zone { fill: orange; opacity: .15; stroke-width: 0; } .safe-zone { fill: green; opacity: .15; stroke-width: 0; }
// get temperature(random data) of device. let data = []; export function getData() { let date = new Date(); if (data.length === 0) { date.setSeconds(date.getSeconds() - 99); for (let i = 1; i < 100; i++) { data.push({ x: new Date(date.valueOf()), y: getRandomTemp() }); date.setSeconds(date.getSeconds() + 1); } } if (data.length === 100) { data.splice(0, 1); } data.push({ x: date, y: getRandomTemp() }); return data.slice(); } function getRandomTemp() { let seed = Math.random(); if (seed > 0.9) { return (Math.round(Math.random() * 800) / 10) + 20; } else if (seed > 0.6) { return (Math.round(Math.random() * 600) / 10) + 20; } else { return (Math.round(Math.random() * 300) / 10) + 20; } }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true, react: 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', '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js', '@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js', '@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js', '@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js', '@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js', '@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js', '@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js', '@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js', '@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js', '@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js', '@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js', '@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js', '@mescius/wijmo.grid.style': 'npm:@mescius/wijmo.grid.style/index.js', '@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js', '@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js', '@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js', '@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js', '@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js', '@mescius/wijmo.grid.immutable': 'npm:@mescius/wijmo.grid.immutable/index.js', '@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js', '@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js', '@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js', '@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js', 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"npm:@mescius/wijmo.react.grid.detail/index.js", "@mescius/wijmo.react.grid.filter": "npm:@mescius/wijmo.react.grid.filter/index.js", "@mescius/wijmo.react.grid.grouppanel": "npm:@mescius/wijmo.react.grid.grouppanel/index.js", '@mescius/wijmo.react.grid.search': 'npm:@mescius/wijmo.react.grid.search/index.js', "@mescius/wijmo.react.grid.multirow": "npm:@mescius/wijmo.react.grid.multirow/index.js", "@mescius/wijmo.react.grid.sheet": "npm:@mescius/wijmo.react.grid.sheet/index.js", '@mescius/wijmo.react.grid.transposed': 'npm:@mescius/wijmo.react.grid.transposed/index.js', '@mescius/wijmo.react.grid.transposedmultirow': 'npm:@mescius/wijmo.react.grid.transposedmultirow/index.js', '@mescius/wijmo.react.grid.immutable': 'npm:@mescius/wijmo.react.grid.immutable/index.js', "@mescius/wijmo.react.grid": "npm:@mescius/wijmo.react.grid/index.js", "@mescius/wijmo.react.input": "npm:@mescius/wijmo.react.input/index.js", "@mescius/wijmo.react.olap": "npm:@mescius/wijmo.react.olap/index.js", 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'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js', "react-use-event-hook": "npm:react-use-event-hook/dist/esm/useEvent.js", }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'jsx' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);