Tooltips: HTML Markup Support
To set the tooltip's content, specify the contentTemplate. Inside the template, you can identify the chart series point for which the tooltip is displayed and thus display information related to that point.
en.wikipedia.org
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<template>
<div>
<dx-pie-chart
id="pie-chart"
:data-source="populationData"
palette="Bright"
title="Top 10 Most Populated States in US"
>
<dx-series
argument-field="name"
value-field="population"
/>
<dx-export
:enabled="true"
/>
<dx-tooltip
:enabled="true"
content-template="tooltipTemplate"
/>
<template #tooltipTemplate="{ data }">
<tooltip-template :info="data"/>
</template>
</dx-pie-chart>
</div>
</template>
<script>
import { populationData } from './data.js';
import { DxPieChart, DxSeries, DxExport, DxTooltip } from 'devextreme-vue/pie-chart';
import TooltipTemplate from './TooltipTemplate.vue';
export default {
components: {
DxPieChart, DxSeries, DxExport, DxTooltip, TooltipTemplate
},
data() {
return {
populationData: populationData
};
}
};
</script>
<style scoped>
#pie-chart {
height: 440px;
}
</style>
<template>
<div class="state-tooltip">
<img :src="getImagePath(info.point)"><h4>{{ info.argument }}</h4>
<div>
<span class="caption">Capital</span>: {{ info.point.data.capital }}
</div>
<div>
<span class="caption">Population</span>: {{ formatNumber(info.value) }} people
</div>
<div>
<span class="caption">Area</span>: {{ formatNumber(info.point.data.area) }} km<sup>2</sup> ({{ formatNumber(0.3861 * info.point.data.area) }} mi<sup>2</sup>)
</div>
</div>
</template>
<script>
export default {
props: {
info: {
type: Object,
default: () => {}
}
},
methods: {
getImagePath(point) {
return `../../../../images/flags/${point.data.name.replace(/\s/, '').toLowerCase()}.gif`;
},
formatNumber: new Intl.NumberFormat('en-US', {
minimumFractionDigits: 0
}).format
},
};
</script>
<style>
.state-tooltip {
height: 90px;
}
.state-tooltip > img {
width: 60px;
height: 40px;
display: block;
margin: 0 5px 0 0;
float: left;
}
.state-tooltip > h4 {
line-height: 40px;
font-size: 14px;
margin-bottom: 5px;
}
.state-tooltip .caption {
font-weight: 500;
}
.state-tooltip sup {
font-size: 0.8em;
vertical-align: super;
line-height: 0;
}
</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="stylesheet" type="text/css" 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 populationData = [{
name: 'California',
population: 38802500,
capital: 'Sacramento',
area: 423967
}, {
name: 'Texas',
population: 26956958,
capital: 'Austin',
area: 695662
}, {
name: 'Florida',
population: 19893297,
capital: 'Tallahassee',
area: 170312
}, {
name: 'New York',
population: 19746227,
capital: 'Albany',
area: 141297
}, {
name: 'Illinois',
population: 12880580,
capital: 'Springfield',
area: 149995
}, {
name: 'Pennsylvania',
population: 12787209,
capital: 'Harrisburg',
area: 119280
}, {
name: 'Ohio',
population: 11594163,
capital: 'Columbus',
area: 116098
}, {
name: 'Georgia',
population: 10097343,
capital: 'Atlanta',
area: 153910
}, {
name: 'North Carolina',
population: 9943964,
capital: 'Raleigh',
area: 139391
}, {
name: 'Michigan',
population: 9909877,
capital: 'Lansing',
area: 250487
}];
System.config({
transpiler: 'plugin-babel',
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
vue: 'npm:vue@2.6.3/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',
'devexpress-diagram': 'npm:devexpress-diagram',
'devexpress-gantt': 'npm:devexpress-gantt',
'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
}
});