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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>
<DxPieChart
id="pie-chart"
:data-source="populationData"
palette="Bright"
title="Top 10 Most Populated States in US"
>
<DxSeries
argument-field="name"
value-field="population"
/>
<DxExport
:enabled="true"
/>
<DxTooltip
:enabled="true"
content-template="tooltipTemplate"
/>
<template #tooltipTemplate="{ data }">
<TooltipTemplate :info="data"/>
</template>
</DxPieChart>
</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 class="state">{{ info.argument }}</h4>
<div class="capital">
<span class="caption">Capital</span>: {{ info.point.data.capital }}
</div>
<div>
<span class="caption">Population</span>: <span class="population">{{ formatNumber(info.value) }}</span> people
</div>
<div>
<span class="caption">Area</span>: <span class="area-km">{{ formatNumber(info.point.data.area) }}</span> km<sup>2</sup> (<span class="area-mi">{{ formatNumber(0.3861 * info.point.data.area) }}</span> 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/, '')}.svg`;
},
formatNumber: new Intl.NumberFormat('en-US', {
maximumFractionDigits: 0
}).format
},
};
</script>
<style>
.state-tooltip {
height: 90px;
}
.state-tooltip > img {
width: 60px;
height: 40px;
display: block;
margin: 0 5px 0 0;
float: left;
border: 1px solid rgba(191, 191, 191, 0.25);
}
.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 { 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/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/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 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',
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@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.5',
'devextreme-vue': 'npm:devextreme-vue@20.2.5',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.11/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.18/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.11/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.11/hooks/dist/hooks.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'
},
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'
}
},
babelOptions: {
sourceMaps: false,
stage0: true
}
});