const DemoApp = angular.module('DemoApp', ['dx']);
DemoApp.controller('DemoController', ($scope) => {
$scope.pieChartOptions = {
palette: 'bright',
dataSource: states,
title: 'Top 10 Most Populated States in US',
series: {
argumentField: 'name',
valueField: 'population',
},
export: {
enabled: true,
},
tooltip: {
enabled: true,
contentTemplate(info, $container) {
const container = $container[0];
container.innerHTML = [`<div class='state-tooltip'><img src='../../../../images/flags/${
info.point.data.name.replace(/\s/, '')}.svg' />`,
"<h4 class='state'></h4>",
"<div class='capital'><span class='caption'>Capital</span>: </div>",
"<div class='population'><span class='caption'>Population</span>: </div>",
"<div><span class='caption'>Area</span>: ",
"<span class='area-km'></span> km<sup>2</sup> (",
"<span class='area-mi'></span> mi<sup>2</sup>)",
'</div></div>',
].join('');
container.querySelector('.state').textContent = info.argument;
container.querySelector('.capital').append(document.createTextNode(info.point.data.capital));
container.querySelector('.population').append(document.createTextNode(`${formatNumber(info.value)} people`));
container.querySelector('.area-km').textContent = formatNumber(info.point.data.area);
container.querySelector('.area-mi').textContent = formatNumber(0.3861 * info.point.data.area);
},
},
};
});
const formatNumber = new Intl.NumberFormat('en-US', { maximumFractionDigits: 0 }).format;
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<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" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.2.6/css/dx.light.css" />
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script>
<script>window.angular || document.write(decodeURIComponent('%3Cscript src="js/angular.min.js"%3E%3C/script%3E'))</script>
<script src="https://cdn3.devexpress.com/jslib/22.2.6/js/dx.all.js"></script>
<script src="data.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="index.js"></script>
</head>
<body class="dx-viewport">
<div class="demo-container" ng-app="DemoApp" ng-controller="DemoController">
<div id="pie-chart" dx-pie-chart="pieChartOptions"></div>
</div>
</body>
</html>
#pie-chart {
height: 440px;
}
.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;
}
const states = [{
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,
}];