Update Linear Gauge Data at Runtime
Documentation
This demo illustrates data binding in the LinearGauge component. The bound data changes when a user selects a new location in the City drop-down menu.
Feel free to share demo-related thoughts here.
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If you have technical questions, please create a support ticket in the DevExpress Support Center.
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<template>
<div>
<div class="long-title">
<h3>Weather Indicators</h3>
</div>
<div id="gauge-demo">
<DxLinearGauge
id="temperatureGauge"
:value="value.data.temperature"
class="gauge-element"
>
<DxTitle
text="Temperature (°C)"
>
<DxFont
:size="16"
/>
</DxTitle>
<DxGeometry
orientation="vertical"
/>
<DxScale
:start-value="-40"
:end-value="40"
:tick-interval="40"
/>
<DxRangeContainer
background-color="none"
>
<DxRange
:start-value="-40"
:end-value="0"
color="#679EC5"
/>
<DxRange
:start-value="0"
:end-value="40"
/>
</DxRangeContainer>
</DxLinearGauge>
<DxLinearGauge
id="humidityGauge"
:value="value.data.humidity"
class="gauge-element"
>
<DxTitle
text="Humidity (%)"
>
<DxFont
:size="16"
/>
</DxTitle>
<DxGeometry
orientation="vertical"
/>
<DxScale
:start-value="0"
:end-value="100"
:tick-interval="10"
/>
<DxRangeContainer
background-color="#CACACA"
/>
<DxValueIndicator
type="rhombus"
color="#A4DDED"
/>
</DxLinearGauge>
<DxLinearGauge
id="pressureGauge"
:value="value.data.pressure"
class="gauge-element"
>
<DxTitle
text="Barometric Pressure (mb)"
>
<DxFont
:size="16"
/>
</DxTitle>
<DxGeometry
orientation="vertical"
/>
<DxScale
:start-value="900"
:end-value="1100"
:custom-ticks="customTicks"
>
<DxLabel
:format="pressureLabelFormat"
/>
</DxScale>
<DxRangeContainer>
<DxRange
:start-value="900"
:end-value="1000"
color="#679EC5"
/>
<DxRange
:start-value="1000"
:end-value="1020"
color="#A6C567"
/>
<DxRange
:start-value="1020"
:end-value="1100"
color="#E18E92"
/>
</DxRangeContainer>
<DxValueIndicator
type="circle"
color="#E3A857"
/>
</DxLinearGauge>
</div>
<DxSelectBox
id="selectbox"
:data-source="cities"
v-model:value="value"
display-expr="name"
/>
</div>
</template>
<script>
import {
DxLinearGauge,
DxTitle,
DxFont,
DxGeometry,
DxScale,
DxRangeContainer,
DxRange,
DxValueIndicator,
DxLabel,
} from 'devextreme-vue/linear-gauge';
import { DxSelectBox } from 'devextreme-vue/select-box';
import { cities } from './data.js';
export default {
components: {
DxLinearGauge,
DxTitle,
DxFont,
DxGeometry,
DxScale,
DxRangeContainer,
DxRange,
DxValueIndicator,
DxLabel,
DxSelectBox,
},
data() {
return {
cities,
value: cities[0],
customTicks: [900, 1000, 1020, 1100],
pressureLabelFormat: {
type: 'decimal',
},
};
},
};
</script>
<style scoped>
#gauge-demo {
width: 90%;
margin: 0 auto;
}
#gauge-demo .gauge-element {
height: 400px;
width: 33%;
float: left;
}
.dx-selectbox {
margin: 10px auto 0;
width: 200px;
}
#gauge-demo::after {
content: ".";
display: block;
clear: both;
visibility: hidden;
line-height: 0;
height: 0;
}
.long-title h3 {
font-weight: 200;
font-size: 28px;
text-align: center;
margin-bottom: 20px;
}
</style>
import { createApp } from 'vue';
import App from './App.vue';
createApp(App).mount('#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/22.1.5/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/22.1.5/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 cities = [{
name: 'London',
id: '1',
data: {
temperature: 10,
humidity: 81,
pressure: 1002.1,
},
}, {
name: 'Berlin',
id: '2',
data: {
temperature: 14,
humidity: 58,
pressure: 1008.5,
},
}, {
name: 'New York',
id: '3',
data: {
temperature: 3,
humidity: 89,
pressure: 1016.2,
},
}, {
name: 'Moscow',
id: '4',
data: {
temperature: 2,
humidity: 51,
pressure: 1016.5,
},
}, {
name: 'Bangkok',
id: '5',
data: {
temperature: 37,
humidity: 39,
pressure: 1007.0,
},
}];
window.config = {
transpiler: 'plugin-babel',
meta: {
'*.vue': {
loader: 'vue-loader',
},
'devextreme/localization.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
map: {
'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js',
'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js',
'mitt': 'npm:mitt/dist/mitt.umd.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@22.1.5/cjs',
'devextreme-vue': 'npm:devextreme-vue@22.1.5',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.5.16/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.1.63/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.32/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11',
'inferno': 'npm:inferno@7.4.4/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat@7.4.11/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.11/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class@7.4.11/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras@7.4.11/dist/inferno-extras.min.js',
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js',
// Prettier
'prettier/standalone': 'npm:prettier@2.7.1/standalone.js',
'prettier/parser-html': 'npm:prettier@2.7.1/parser-html.js',
},
packages: {
'devextreme-vue': {
main: 'index.js',
},
'devextreme': {
defaultExtension: 'js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.11/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
},
};
System.config(window.config);