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.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
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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/19.2.3/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 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
}
});