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Gauges

Update Circular Gauge Data at Runtime

Documentation

This demo illustrates how to bind an array of subvalues to the CircularGauge. Since an array can not be bound to a field as a regular value, it is bound as a computed one.

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<template> <div> <div id="gauge-demo"> <dx-circular-gauge id="gauge" :value="value.mean" :subvalues="[value.min, value.max]" > <dx-scale :start-value="10" :end-value="40" :tick-interval="5" > <dx-label :customize-text="customizeText" /> </dx-scale> <dx-range-container> <dx-range :start-value="10" :end-value="20" color="#0077BE" /> <dx-range :start-value="20" :end-value="30" color="#E6E200" /> <dx-range :start-value="30" :end-value="40" color="#77DD77" /> </dx-range-container> <dx-tooltip :enabled="true" /> <dx-title text="Temperature in the Greenhouse" > <dx-font :size="28" /> </dx-title> </dx-circular-gauge> <dx-select-box id="seasons" :width="150" :data-source="dataSource" :value.sync="value" display-expr="name" /> </div> </div> </template> <script> import { dataSource } from './data.js'; import { DxCircularGauge, DxScale, DxLabel, DxRangeContainer, DxRange, DxTooltip, DxTitle, DxFont } from 'devextreme-vue/circular-gauge'; import { DxSelectBox } from 'devextreme-vue/select-box'; export default { components: { DxCircularGauge, DxScale, DxLabel, DxRangeContainer, DxRange, DxTooltip, DxTitle, DxFont, DxSelectBox }, data() { return { dataSource: dataSource, value: dataSource[0] }; }, methods: { customizeText({ valueText }) { return `${valueText} °C`; }, onSelectionChanged({ selectedItem }) { this.value = selectedItem.mean, this.subvalues = [selectedItem.min, selectedItem.max]; } } }; </script> <style scoped> #gauge-demo { height: 440px; width: 100%; } #gauge { width: 80%; height: 100%; float: left; } #seasons { width: 20%; float: left; text-align: left; margin-top: 20px; } </style>
import Vue from 'vue'; import App from './App.vue'; new Vue({ el: '#app', components: { App }, template: '<App/>' });
<!DOCTYPE html> <html> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import('./index.js'); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>
export const dataSource = [{ name: 'Summer', mean: 35, min: 28, max: 38 }, { name: 'Autumn', mean: 24, min: 20, max: 32 }, { name: 'Winter', mean: 18, min: 16, max: 23 }, { name: 'Spring', mean: 27, min: 18, max: 31 }];
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, map: { vue: 'npm:vue@2.5.16/dist/vue.esm.browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@latest/index.js', 'devextreme': 'npm:devextreme@19.2', 'devextreme-vue': 'npm:devextreme-vue@19.2', jszip: 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, meta: { '*.vue': { loader: 'vue-loader' } }, packages: { 'devextreme-vue': { main: 'index.js' }, 'devextreme': { defaultExtension: 'js' } }, babelOptions: { sourceMaps: false, stage0: true } });