Selection

This demo processes tab selection and uses SelectBox and MultiView components to emulate page content. Both these components are bound to Tabs, and vice versa.

You can use the following properties to configure selection:

selectedIndex
The index of the selected item.
selectedItem
The selected item.
selectedItems
An array of selected items.
selectedItemKeys
An array of selected item keys.
selectionMode
Specifies whether the component allows users to select only a single item or multiple items.
onSelectionChanged
A function that is executed when a collection item is selected or selection is canceled.

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Backend API

$(() => { const tabsInstance = $('.tabs-container').dxTabs({ dataSource: employees, selectedItem: employees[0], onSelectionChanged({ component }) { const { selectedItem } = component.option(); selectBox.option({ value: selectedItem }); multiView.option({ selectedItem }); }, }).dxTabs('instance'); const selectBox = $('#selectbox').dxSelectBox({ value: employees[0], dataSource: employees, inputAttr: { 'aria-label': 'Select Employee' }, displayExpr: 'text', onValueChanged({ value }) { tabsInstance.option('selectedItem', value); }, }).dxSelectBox('instance'); const multiView = $('#multiview').dxMultiView({ height: 112, width: '100%', dataSource: employees, selectedItem: employees[0], loop: false, animationEnabled: true, itemTemplate(data, index, element) { const $note = $('<div>') .addClass('employee-info') .append($(`<img alt="${data.text}" class="employee-photo dx-theme-border-color" src="${data.picture}"/>`)) .append($('<p>').addClass('employee-notes').append($(`<b>Position: ${data.position}</b><br/>`)).append(data.notes)); element.append($note); }, onSelectionChanged({ component }) { const { selectedItem } = component.option(); tabsInstance.option({ selectedItem }); }, }).dxMultiView('instance'); });

<!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/23.2.5/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="center-content"> <div id="demo-items-container"> <div class="content dx-fieldset"> <div class="dx-field"> <div class="tabs-container"></div> </div> <div class="dx-field select-box-container"> <div class="dx-field-label">Selected user:</div> <div class="dx-field-value"> <div id="selectbox"></div> </div> </div> <div class="dx-field multiview-container"> <div id="multiview"></div> </div> <div class="icon-container"> <span class="dx-icon dx-icon-info"></span> <span class="demo-info">You can use swipe gestures in this area.</span> </div> </div> </div> </div> </div> </body> </html>

#center-content { display: flex; align-items: center; justify-content: center; } .select-box-container, .multiview-container { padding: 16px; } #demo-items-container { width: 680px; } .employee-info { display: flex; align-items: center; } .employee-photo { height: 80px; width: 80px; border-radius: 50%; border-width: 1px; border-style: solid; flex-shrink: 0; object-fit: contain; margin-right: 24px; } .employee-notes b { display: inline-block; margin-bottom: 8px; } .dx-field-label { font-size: 16px; } #multiview { cursor: move; } .demo-info { padding-left: 8px; opacity: 0.6; } .icon-container { padding-left: 16px; display: flex; align-items: center; } .dx-icon { font-size: 18px; }

const employees = [ { id: 0, icon: 'user', text: 'John Heart', position: 'CEO', picture: '../../../../images/employees/01.png', notes: 'John has been in the Audio/Video industry since 1990. He has led DevAv as its CEO since 2003. When not working hard as the CEO, John loves to golf and bowl. He once bowled a perfect game of 300.', }, { id: 1, icon: 'user', text: 'Olivia Peyton', position: 'Sales Assistant', picture: '../../../../images/employees/09.png', notes: 'Olivia loves to sell. She has been selling DevAV products since 2012. Olivia was homecoming queen in high school. She is expecting her first child in 6 months. Good Luck Olivia.', }, { id: 2, icon: 'user', text: 'Robert Reagan', position: 'CMO', picture: '../../../../images/employees/03.png', notes: 'Robert was recently voted the CMO of the year by CMO Magazine. He is a proud member of the DevAV Management Team. Robert is a championship BBQ chef, so when you get the chance ask him for his secret recipe.', }, ];