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Accessibility

The Dialog characterized with complete ARIA Accessibility support which helps to accessible by on-screen readers and other assistive technology devices. This component designed with the reference of the guidelines document given in WAI ARAI Accessibility Practices.

The Dialog component uses the Dialog role and following ARIA properties to its element based on its state.

Property Functionalities
aria-describedby Indicates the Dialog content description is notified to the users through assistive technologies.
aria-labelledby The Dialog title is notified to the users through assistive technologies.
aria-modal For modal dialog, it’s value is true and non-modal dialog its value is false
aria-grabbed Enables the draggable Dialog and starts dragging if its value is true and stops dragging if its value is false.

Keyboard interaction

Keyboard interaction of Dialog component has designed based on WAI-ARIA Practices described for Dialog. User can use the following shortcut keys to interact with the Dialog.

Keyboard shortcuts Actions
Esc Closes the Dialog. This functionality can be controlled by using closeOnEscape
Enter When the Dialog button or any input (except text area) is in focus state, when pressing the Enter key, the click event associated with the primary button or button will trigger. Enter key is not working when the Dialog content contains any text area with initial focus
Ctrl + Enter When the Dialog content contains text area and it is in focus state, and press the Ctrl + Enter key to call the click event function associated with primary button
Tab Focus will be changed within the Dialog elements
Shift + Tab The Focus will be changed previous focusable element within the Dialog elements. When focusing a first focusable element in the Dialog, then press the shift + tab key, it will change the focus to last focusable element
@using Syncfusion.EJ2.Blazor
@using Syncfusion.EJ2.Blazor.Popups
@using Syncfusion.EJ2.Blazor.Buttons

<EjsButton @onclick="@OnBtnClick">Open Dialog</EjsButton>
<EjsDialog @ref="DialogObj" Width="400px" Height="358px" ShowCloseIcon="true">
    <DialogTemplates>
        <Header> <div>Feedback</div> </Header>
        <Content>
            <form>
                <div class='form-group'>
                    <label for='email'>Email:</label><input type='email' class='form-control' id='email'>
                </div><div class='form-group'>
                </div><div class='form-group'>
                    <label for='comment'>Comments:</label><textarea style='resize: none;' class='form-control' rows='4' id='comment'></textarea>
                </div>
            </form>
        </Content>
    </DialogTemplates>
    <DialogButtons>
        <DialogButton ButtonModel="@DialogBtn" OnClick="@OnClick" />
    </DialogButtons>
</EjsDialog>

@code {
    EjsDialog DialogObj;

    private void OnClick(Object args)
    {
        this.DialogObj.Hide();
    }
    private void OnBtnClick()
    {
        this.DialogObj.Show();
    }

    public Syncfusion.EJ2.Blazor.Buttons.ButtonModel DialogBtn = new Syncfusion.EJ2.Blazor.Buttons.ButtonModel { Content = "Submit", IsPrimary = true };
}

The output will be as follows.

dialog

See Also