-
Data Grid
- Overview
-
Data Binding
-
Paging and Scrolling
-
Editing
-
Grouping
-
Filtering and Sorting
- Focused Row
-
Row Drag & Drop
-
Selection
-
Columns
- State Persistence
-
Appearance
-
Templates
-
Data Summaries
-
Master-Detail
-
Export to PDF
-
Export to Excel
-
Adaptability
- Keyboard Navigation
-
Pivot Grid
- Overview
-
Data Binding
-
Field Chooser
-
Features
-
Export to Excel
-
Tree List
- Overview
-
Data Binding
- Sorting
- Paging
-
Editing
- Node Drag & Drop
- Focused Row
-
Selection
-
Filtering
-
Column Customization
- State Persistence
- Adaptability
- Keyboard Navigation
-
Scheduler
- Overview
-
Data Binding
-
Views
-
Features
- Virtual Scrolling
-
Grouping
-
Customization
- Adaptability
-
Html Editor
-
Chat
-
Diagram
- Overview
-
Data Binding
-
Featured Shapes
-
Custom Shapes
-
Document Capabilities
-
User Interaction
- UI Customization
- Adaptability
-
Charts
- Overview
-
Data Binding
-
Area Charts
-
Bar Charts
- Bullet Charts
-
Doughnut Charts
-
Financial Charts
-
Line Charts
-
Pie Charts
-
Point Charts
-
Polar and Radar Charts
-
Range Charts
-
Sparkline Charts
-
Tree Map
-
Funnel and Pyramid Charts
- Sankey Chart
-
Combinations
-
More Features
-
Export
-
Selection
-
Tooltips
-
Zooming
-
-
Gantt
- Overview
-
Data
-
UI Customization
- Strip Lines
- Export to PDF
- Sorting
-
Filtering
-
Gauges
- Overview
-
Data Binding
-
Bar Gauge
-
Circular Gauge
-
Linear Gauge
-
Navigation
- Overview
- Accordion
-
Menu
- Multi View
-
Drawer
-
Tab Panel
-
Tabs
-
Toolbar
- Pagination
-
Tree View
- Right-to-Left Support
-
Layout
-
Editors
- Overview
- Autocomplete
-
Calendar
- Check Box
- Color Box
-
Date Box
-
Date Range Box
-
Drop Down Box
-
Number Box
-
Select Box
- Switch
-
Tag Box
- Text Area
- Text Box
- Validation
- Custom Text Editor Buttons
- Right-to-Left Support
- Editor Appearance Variants
-
Forms and Multi-Purpose
- Overview
- Button Group
- Field Set
-
Filter Builder
-
Form
- Radio Group
-
Range Selector
- Numeric Scale (Lightweight)
- Numeric Scale
- Date-Time Scale (Lightweight)
- Date-Time Scale
- Logarithmic Scale
- Discrete scale
- Custom Formatting
- Use Range Selection for Calculation
- Use Range Selection for Filtering
- Image on Background
- Chart on Background
- Customized Chart on Background
- Chart on Background with Series Template
- Range Slider
- Slider
-
Sortable
-
File Management
-
File Manager
- Overview
-
File System Types
-
Customization
-
File Uploader
-
-
Actions and Lists
- Overview
-
Action Sheet
-
Button
- Floating Action Button
- Drop Down Button
-
Context Menu
-
List
-
Lookup
-
Maps
- Overview
-
Map
-
Vector Map
-
Dialogs and Notifications
-
Localization
Related Demos:
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JavaScript/jQuery Charts - Custom Label in the Center
To customize the doughnut's center, declare the SVG markup in the centerTemplate. This template accepts the PieChart instance. Use this instance to call PieChart methods. For example, call the getInnerRaduis() method to get the radius of the doughnut hole.
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Backend API
$(() => {
const formatNumber = new Intl.NumberFormat('en-US', { maximumFractionDigits: 0 }).format;
const commonSettings = {
innerRadius: 0.65,
resolveLabelOverlapping: 'shift',
sizeGroup: 'piesGroup',
legend: {
visible: false,
},
type: 'doughnut',
series: [{
argumentField: 'commodity',
valueField: 'total',
label: {
visible: true,
connector: {
visible: true,
},
format: 'fixedPoint',
backgroundColor: 'none',
customizeText(e) {
return `${e.argumentText}\n${e.valueText}`;
},
},
}],
centerTemplate(pieChart, container) {
const total = pieChart
.getAllSeries()[0]
.getVisiblePoints()
.reduce((s, p) => s + p.originalValue, 0);
const { country } = pieChart.getAllSeries()[0].getVisiblePoints()[0].data;
const circle = createElement('circle', {
cx: 100,
cy: 100,
fill: '#eee',
r: pieChart.getInnerRadius() - 6,
});
const image = createElement('image', {
x: 70,
y: 58,
width: 60,
height: 40,
href: `../../../../images/flags/${country.replace(/\s/, '').toLowerCase()}.svg`,
});
const text = createText({
x: 100,
y: 120,
fill: '#494949',
'text-anchor': 'middle',
'font-size': 18,
}, [country, formatNumber(total)]);
container.appendChild(circle);
container.appendChild(image);
container.appendChild(text);
},
};
function createElement(type, attributes) {
const element = document.createElementNS('http://www.w3.org/2000/svg', type);
Object.keys(attributes).forEach((attributeName) => {
element.setAttribute(attributeName, attributes[attributeName]);
});
return element;
}
function createText(attributes, contents) {
const text = createElement('text', attributes);
const tspan1 = createElement('tspan', { x: attributes.x, dy: 0 });
tspan1.textContent = contents[0];
const tspan2 = createElement('tspan', { x: attributes.x, dy: 20, 'font-weight': 600 });
tspan2.textContent = contents[1];
text.appendChild(tspan1);
text.appendChild(tspan2);
return text;
}
$('#countries')
.dxPieChart($.extend({}, commonSettings, {
dataSource: {
store: data,
filter: ['country', '=', 'France'],
},
}));
$('#waterLandRatio')
.dxPieChart($.extend({}, commonSettings, {
dataSource: {
store: data,
filter: ['country', '=', 'Germany'],
},
}));
});
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<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=5.0" />
<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/24.1.7/css/dx.light.css" />
<script src="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 class="long-title"><h3>Energy Production (GWh, 2016)</h3></div>
<div class="pies-container">
<div id="countries"></div>
<div id="waterLandRatio"></div>
</div>
</div>
</body>
</html>
.pies-container {
margin: auto;
width: 800px;
}
.pies-container > div {
width: 400px;
float: left;
margin-top: -50px;
}
.long-title h3 {
font-weight: 200;
font-size: 28px;
text-align: center;
margin-bottom: 20px;
}
const data = [
{ country: 'France', commodity: 'Nuclear', total: 413278 },
{ country: 'Germany', commodity: 'Nuclear', total: 76536 },
{ country: 'France', commodity: 'Thermal', total: 47594 },
{ country: 'Germany', commodity: 'Thermal', total: 375809 },
{ country: 'France', commodity: 'Wind', total: 21033 },
{ country: 'Germany', commodity: 'Wind', total: 58228 },
{ country: 'France', commodity: 'Solar', total: 7274 },
{ country: 'Germany', commodity: 'Solar', total: 37520 },
{ country: 'France', commodity: 'Tidal, Wave', total: 618 },
];