Stack

Documentation

The DevExtreme Toast components can stack multiple notifications. Use the notify(message, stack) or notify(options, stack) method to display stacked messages.

These methods use a stack object that has the following structure: {position, direction}.

Specify Position

You can set the position field to a string (select 'predefined' in the radio group) or an object (select 'coordinates' in the radio group). Note that if you use coordinates for the position field, you need to specify one vertical and one horizontal coordinate only. For example, if you specify 'top', the demo disables the 'bottom' field, and vice versa.

Specify Direction

The direction field specifies two options: which way the notification stack grows and whether new notifications appear at the end or at the beginning of the line. For this reason, the field's pull-down menu choices show pairs of values such as 'up-push' and 'up-stack'.

'up-push'
New toasts push the previous toasts upwards.
'up-stack'
Toasts stack on top of each other.

Hide Toasts

To hide all toast messages, use the hideToasts method.

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Backend API

import React from 'react'; import Button from 'devextreme-react/button'; import RadioGroup from 'devextreme-react/radio-group'; import SelectBox from 'devextreme-react/select-box'; import NumberBox from 'devextreme-react/number-box'; import Notify from 'devextreme/ui/notify'; import HideToasts from 'devextreme/ui/toast/hide_toasts'; import { directions, positions, types, radioGroupItems, positionTopLabel, directionLabel, positionBottomLabel, positionLeftLabel, positionRightLabel, positionLabel, } from './data.js'; function App() { const [id, setId] = React.useState(1); const [isPredefined, setIsPredefined] = React.useState(true); const [predefinedPosition, setPredefinedPosition] = React.useState('bottom center'); const [coordinatePosition, setCoordinatePosition] = React.useState({ top: undefined, left: undefined, bottom: undefined, right: undefined, }); const [direction, setDirection] = React.useState('up-push'); const topNumberBoxValueChanged = React.useCallback( (top) => setCoordinatePosition({ ...coordinatePosition, top }), [coordinatePosition], ); const bottomNumberBoxValueChanged = React.useCallback( (bottom) => setCoordinatePosition({ ...coordinatePosition, bottom }), [coordinatePosition], ); const leftNumberBoxValueChanged = React.useCallback( (left) => setCoordinatePosition({ ...coordinatePosition, left }), [coordinatePosition], ); const rightNumberBoxValueChanged = React.useCallback( (right) => setCoordinatePosition({ ...coordinatePosition, right }), [coordinatePosition], ); return <React.Fragment> <div className='options'> <div>Position</div> <RadioGroup layout='horizontal' defaultValue='predefined' items={radioGroupItems} onValueChange={(value) => setIsPredefined(value === 'predefined')} /> <SelectBox items={positions} value={predefinedPosition} inputAttr={positionLabel} onSelectionChanged={({ selectedItem }) => setPredefinedPosition(selectedItem)} visible={isPredefined} /> <div className='section'> <NumberBox visible={!isPredefined} placeholder='top' defaultValue='' valueChangeEvent='keyup' disabled={!!coordinatePosition.bottom} inputAttr={positionTopLabel} onValueChange={topNumberBoxValueChanged} /> <NumberBox visible={!isPredefined} placeholder='bottom' defaultValue='' valueChangeEvent='keyup' inputAttr={positionBottomLabel} disabled={!!coordinatePosition.top} onValueChange={bottomNumberBoxValueChanged} /> </div> <div className='section'> <NumberBox visible={!isPredefined} placeholder='left' defaultValue='' valueChangeEvent='keyup' inputAttr={positionLeftLabel} disabled={!!coordinatePosition.right} onValueChange={leftNumberBoxValueChanged} /> <NumberBox visible={!isPredefined} placeholder='right' defaultValue='' valueChangeEvent='keyup' inputAttr={positionRightLabel} disabled={!!coordinatePosition.left} onValueChange={rightNumberBoxValueChanged} /> </div> <div>Direction</div> <SelectBox items={directions} inputAttr={directionLabel} value={direction} onSelectionChanged={({ selectedItem }) => setDirection(selectedItem)} /> <div className='section'> <Button text='Show' width='48%' onClick={() => show()} /> <Button text='Hide all' width='48%' onClick={() => HideToasts()} /> </div> </div> </React.Fragment>; function show() { const position = isPredefined ? predefinedPosition : coordinatePosition; Notify({ message: `Toast ${id}`, height: 45, width: 150, minWidth: 150, type: types[Math.floor(Math.random() * 4)], displayTime: 3500, animation: { show: { type: 'fade', duration: 400, from: 0, to: 1, }, hide: { type: 'fade', duration: 40, to: 0 }, }, }, { position, direction, }); setId(id + 1); } } export default App;

import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render( <App />, document.getElementById('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/23.1.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://unpkg.com/core-js@2.6.12/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>

.options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); position: absolute; right: 0; top: 0; width: 260px; display: flex; flex-direction: column; gap: 5px; } .section { width: 100%; display: flex; justify-content: space-between; }

export const directions = [ 'down-push', 'down-stack', 'up-push', 'up-stack', 'left-push', 'left-stack', 'right-push', 'right-stack', ]; export const positions = [ 'top left', 'top center', 'top right', 'bottom left', 'bottom center', 'bottom right', 'left center', 'center', 'right center', ]; export const types = ['error', 'info', 'success', 'warning']; export const radioGroupItems = ['predefined', 'coordinates']; export const positionTopLabel = { 'aria-label': 'Position Top' }; export const positionBottomLabel = { 'aria-label': 'Position Bottom' }; export const positionLeftLabel = { 'aria-label': 'Position Left' }; export const positionRightLabel = { 'aria-label': 'Position Right' }; export const directionLabel = { 'aria-label': 'Direction' }; export const positionLabel = { 'aria-label': 'Position' };