$(() => {
const pieChart = $('#pie').dxPieChart({
palette: 'bright',
dataSource,
title: 'Olympic Medals in 2008',
margin: {
bottom: 20,
},
legend: {
visible: false,
},
animation: {
enabled: false,
},
resolveLabelOverlapping: types[0],
export: {
enabled: true,
},
series: [{
argumentField: 'country',
valueField: 'medals',
label: {
visible: true,
customizeText(arg) {
return `${arg.argumentText} (${arg.percentText})`;
},
},
}],
}).dxPieChart('instance');
$('#types').dxSelectBox({
dataSource: types,
value: types[0],
onValueChanged(e) {
pieChart.option('resolveLabelOverlapping', e.value);
},
});
});
<!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://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">
<div id="chart-demo">
<div id="pie"></div>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<span>Label Overlapping Resolution Mode</span>
<div id="types"></div>
</div>
</div>
</div>
</div>
</body>
</html>
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
margin-top: 20px;
}
.option {
margin-top: 10px;
display: flex;
align-items: center;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option > span {
margin-right: 10px;
}
.option > .dx-widget {
display: inline-block;
vertical-align: middle;
}
const dataSource = [{
country: 'USA',
medals: 112,
}, {
country: 'China',
medals: 100,
}, {
country: 'Russia',
medals: 60,
}, {
country: 'Britain',
medals: 49,
}, {
country: 'Australia',
medals: 46,
}, {
country: 'France',
medals: 43,
}, {
country: 'Germany',
medals: 41,
}, {
country: 'South Korea',
medals: 32,
}, {
country: 'Cuba',
medals: 29,
}, {
country: 'Italy',
medals: 27,
}, {
country: 'Japan',
medals: 25,
}, {
country: 'Ukraine',
medals: 22,
}, {
country: 'Canada',
medals: 20,
}, {
country: 'Spain',
medals: 19,
}];
const types = ['shift', 'hide', 'none'];