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The sbb-dialog component provides a way to present content on top of the app's content.
It offers the following features:

  • creates a backdrop for disabling interaction below the modal;
  • disables scrolling of the page content while open;
  • manages focus properly by setting it on the first focusable element;
  • can host a sbb-dialog-actions component in the footer;
  • has a close button, which is always visible;
  • can display a back button next to the title;
  • adds the appropriate ARIA roles automatically.
<sbb-dialog>
  <sbb-dialog-title>Title</sbb-dialog-title>
  <sbb-dialog-content>Dialog content.</sbb-dialog-content>
</sbb-dialog>

Slots

There are three slots: title, content and actions, which can respectively be used to provide an sbb-dialog-title, sbb-dialog-content and an sbb-dialog-actions.

<sbb-dialog>
  <sbb-dialog-title>Title</sbb-dialog-title>
  <sbb-dialog-content>Dialog content.</sbb-dialog-content>
  <sbb-dialog-actions>
    <sbb-block-link sbb-dialog-close>Link</sbb-block-link>
    <sbb-secondary-button sbb-dialog-close> Cancel </sbb-secondary-button>
    <sbb-button sbb-dialog-close> Confirm </sbb-button>
  </sbb-dialog-actions>
</sbb-dialog>

Interactions

In order to show the dialog, you need to call the open(event?: PointerEvent) method on the sbb-dialog component.
It is necessary to pass the event object to the open() method to allow the dialog to detect
whether it has been opened by click or keyboard, so that the focus can be better handled.

<sbb-button
  label="Open dialog"
  click="openDialog(event, 'my-dialog')"
  aria-haspopup="dialog"
  aria-controls="my-dialog"
></sbb-button>

<sbb-dialog id="my-dialog">
  <sbb-dialog-title>Title</sbb-dialog-title>
  <sbb-dialog-content>Dialog content.</sbb-dialog-content>
</sbb-dialog>

<script>
  const openDialog = (event, id) => {
    const dialog = document.getElementById(id);
    dialog.open(event);
  };
</script>

To dismiss the dialog, you need to get a reference to the sbb-dialog element and call
the close(result?: any, target?: HTMLElement) method, which will close the dialog element and
emit a close event with an optional result as a payload.

The component can also be dismissed by clicking on the close button, clicking on the backdrop, pressing the Esc key,
or, if an element within the sbb-dialog has the sbb-dialog-close attribute, by clicking on it.

You can also set the property backButton on the sbb-dialog-title component to display the back button in the title section which will emit the event requestBackAction when clicked.

Style

It's possible to display the component in negative variant using the self-named property.

<sbb-dialog negative>
  <sbb-dialog-title>Title</sbb-dialog-title>
  <sbb-dialog-content>Dialog content.</sbb-dialog-content>
</sbb-dialog>

Accessibility

When using a button to trigger the dialog, ensure to manage the appropriate ARIA attributes on the button element itself. This includes: aria-haspopup="dialog" that signals to assistive technologies that the button controls a dialog element,
aria-controls="dialog-id" that connects the button to the dialog by referencing the dialog's ID. Consider using aria-expanded to indicate the dialog's current state (open or closed).

The sbb-dialog component may visually hide the title thanks to the hideOnScroll property of the sbb-dialog-title to create more space for content, this is useful especially on smaller screens. Screen readers and other assistive technologies will still have access to the title information for context.

Properties

Name Attribute Privacy Type Default Description
backdropAction backdrop-action public 'close' | 'none' 'close' Backdrop click action.
accessibilityLabel accessibility-label public string | undefined This will be forwarded as aria-label to the relevant nested element.
disableAnimation disable-animation public boolean false Whether the animation is enabled.
negative negative public boolean false Negative coloring variant flag.

Methods

Name Privacy Description Parameters Return Inherited From
open public Opens the dialog element. void
close public Closes the dialog element. result: any, target: HTMLElement any

Events

Name Type Description Inherited From
willOpen CustomEvent<void> Emits whenever the sbb-dialog starts the opening transition. Can be canceled.
didOpen CustomEvent<void> Emits whenever the sbb-dialog is opened.
willClose CustomEvent<void> Emits whenever the sbb-dialog begins the closing transition. Can be canceled.
didClose CustomEvent<SbbDialogCloseEventDetails> Emits whenever the sbb-dialog is closed.

CSS Properties

Name Default Description
--sbb-dialog-z-index var(--sbb-overlay-default-z-index) To specify a custom stack order, the z-index can be overridden by defining this CSS variable. The default z-index of the component is set to var(--sbb-overlay-default-z-index) with a value of 1000.

Slots

Name Description
Use the unnamed slot to provide a sbb-dialog-title, sbb-dialog-content and an optional sbb-dialog-actions.
Beispiele
Default
Negative
Allow Backdrop Click
Long Content
Hidden Title
Form
No Back Button
No Footer
Nested
HTML-Markup kopiert.
Playground
mit Action-Groupohne Action-GroupTitle

Dialog content

LinkCancelConfirm
Title

Dialog content

Negativ Nein Ja Back-Button Nein Ja Hintergrund White Milk Iron Charcoal Black
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