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.
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 class="long-title">
<h3>Colors Representation via Basic Colors</h3>
</div>
<div id="gauge-demo">
<DxBarGauge
id="gauge"
:start-value="0"
:end-value="255"
:palette="palette"
:values="values"
>
<DxLabel
:visible="false"
/>
</DxBarGauge>
<div class="action-container">
<DxSelectBox
id="select-color"
:width="150"
:data-source="colors"
v-model:value="value"
display-expr="name"
/>
<div
:style="{ 'background-color': value.code }"
class="color-box"
/>
</div>
</div>
</div>
</template>
<script>
import { DxBarGauge, DxPalette, DxLabel } from 'devextreme-vue/bar-gauge';
import { DxSelectBox } from 'devextreme-vue/select-box';
import { colors } from './data.js';
export default {
components: {
DxBarGauge,
DxPalette,
DxLabel,
DxSelectBox,
},
data() {
return {
colors,
palette: ['#ff0000', '#00ff00', '#0000ff'],
value: colors[0],
};
},
computed: {
values() {
return this.getBasicColors(this.value.code);
},
},
methods: {
getBasicColors(value) {
const 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 { 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="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/22.2.6/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.6.12/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 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',
}];
window.config = {
transpiler: 'plugin-babel',
meta: {
'*.vue': {
loader: 'vue-loader',
},
'devextreme/localization.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
map: {
'vue': 'npm:vue@3.2.47/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@22.2.6/cjs',
'devextreme-vue': 'npm:devextreme-vue@22.2.6',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.5.20/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.1.72/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.43/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/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/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras/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@2.8.4/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.4/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);