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Gauges

Update Bar Gauge Data at Runtime

Documentation

This demo illustrates how to bind an array of values to the BarGauge. 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 class="long-title"> <h3>Colors Representation via Basic Colors</h3> </div> <div id="gauge-demo"> <dx-bar-gauge id="gauge" :start-value="0" :end-value="255" :palette="palette" :values="values" > <dx-label :visible="false" /> </dx-bar-gauge> <div class="action-container"> <dx-select-box id="select-color" :width="150" :data-source="colors" :value.sync="value" display-expr="name" /> <div :style="{ 'background-color': value.code }" class="color-box" /> </div> </div> </div> </template> <script> import { colors } from './data.js'; import { DxBarGauge, DxPalette, DxLabel } from 'devextreme-vue/bar-gauge'; import { DxSelectBox } from 'devextreme-vue/select-box'; export default { components: { DxBarGauge, DxPalette, DxLabel, DxSelectBox }, data() { return { colors: colors, palette: ['#ff0000', '#00ff00', '#0000ff'], value: colors[0] }; }, computed: { values() { return this.getBasicColors(this.value.code); } }, methods: { getBasicColors(value) { var code = Number(`0x${ value.slice(1)}`); return [ (code >> 16) & 0xff, (code >> 8) & 0xff, code & 0xff ]; } } }; </script> <style scoped> #gauge-demo { height: 440px; width: 100%; } #gauge { width: 80%; height: 100%; margin-top: 20px; float: left; } .action-container { width: 20%; text-align: left; margin-top: 20px; float: left; } .color-box { width: 40px; height: 40px; margin-top: 20px; } .long-title h3 { font-weight: 200; font-size: 28px; text-align: center; margin-bottom: 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/19.2.3/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.2.3/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"> <span v-if="false">Loading...</span> </div> </div> </body> </html>
export const colors = [{ name: 'Amaranth', code: '#e52b50' }, { name: 'Amethyst', code: '#9966cc' }, { name: 'Ash grey', code: '#b2beb5' }, { name: 'Barn red', code: '#7c0a02' }, { name: 'Imperial', code: '#602f6b' }, { name: 'Lemon lime', code: '#e3ff00' }, { name: 'Mountain Meadow', code: '#30ba8f' }, { name: 'Outer Space', code: '#414a4c' }, { name: 'Persian plum', code: '#701c1c' }, { name: 'Seal brown', code: '#321414' }, { name: 'Twilight lavender', code: '#8a496b' }, { name: 'Umber', code: '#635147' }];
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 } });