-
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
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Sortable
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File Management
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File Manager
- Overview
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File System Types
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Customization
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File Uploader
-
-
Actions and Lists
- Overview
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Action Sheet
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Button
- Floating Action Button
- Drop Down Button
-
Context Menu
-
List
-
Lookup
-
Maps
- Overview
-
Map
-
Vector Map
-
Dialogs and Notifications
-
Localization
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JavaScript/jQuery Charts - API - Display a Tooltip
This demo illustrates how to show and hide the point’s tooltip with the API. To test this feature, select a continent from the drop-down menu under the PieChart or click a point directly in the PieChart.
www.wikipedia.org
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Backend API
$(() => {
const chart = $('#chart').dxPieChart({
type: 'doughnut',
palette: 'Soft Pastel',
dataSource,
title: 'The Population of Continents and Regions',
tooltip: {
enabled: false,
format: 'millions',
customizeTooltip(arg) {
return {
text: `${arg.argumentText}<br/>${arg.valueText}`,
};
},
},
size: {
height: 350,
},
onPointClick(e) {
const point = e.target;
point.showTooltip();
region.option('value', point.argument);
},
legend: {
visible: false,
},
series: [{
argumentField: 'region',
}],
}).dxPieChart('instance');
const region = $('#selectbox').dxSelectBox({
width: 250,
dataSource,
displayExpr: 'region',
inputAttr: { 'aria-label': 'Region' },
valueExpr: 'region',
placeholder: 'Choose region',
onValueChanged(data) {
chart.getAllSeries()[0].getPointsByArg(data.value)[0].showTooltip();
},
}).dxSelectBox('instance');
});
<!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/24.1.6/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 id="chart"></div>
<div class="controls-pane">
<div id="selectbox"></div>
</div>
</div>
</body>
</html>
.controls-pane {
margin-top: 20px;
text-align: center;
}
.dx-selectbox {
display: inline-block;
}
const dataSource = [{
region: 'Asia',
val: 4119626293,
}, {
region: 'Africa',
val: 1012956064,
}, {
region: 'Northern America',
val: 344124520,
}, {
region: 'Latin America and the Caribbean',
val: 590946440,
}, {
region: 'Europe',
val: 727082222,
}, {
region: 'Oceania',
val: 35104756,
}];