Porsche Design System
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ConfiguratorExamplesUsageAccessibilityAPI
Segmented Control Table of Contents Accessibility support Keyboard Key / stateFunctionTab, Shift-TabMoves focus to the next (or previous) focusable element.Space, EnterActivates the control. ARIA enhancements External ARIA provided by the aria property: ARIAUsagearia-label="STRING"Defines a string value that labels the control item itself. Internal ARIA that is managed by the component: ARIAUsagerole="group"Identifies a set of user interface objects.aria-pressed="BOOLEAN"Provides the current state of the control.role="status", role="alert"When message and state or loading prop change, the status message is announced.aria-hidden="true"If required attribute is set, the visible asterisk indicator is hidden from assistive technologies.aria-invalid="true"If error state is set.aria-required="true"Indicates if the element is required. Development considerations Labelling It's recommended to provide a descriptive label to the wrapper component using aria-label to provide more context for assistive technologies, e.g.: <p-segmented-control aria-label="Choose a t-shirt size">. If a more detailed label is needed for each control item, use the aria property on the control item itself, e.g.: <p-segmented-control-item value="xs" aria="{ 'aria-label': 'Size x-small'}">XS</p-segmented-control-item>. If an icon only is used, it is mandatory to also provide an accessible name (aria-label) through the aria property of the control item. Disabled state In general, avoid using the disabled state. Disabled elements are no longer focusable and may be missed by screen reader users. They can also confuse sighted users if the reason they are disabled is not made clear. Tests Automated TechnologySupportAXE-Core (WCAG 2.2 AA, Best-Practice)✅High-Contrast Mode (light/dark)✅Text-Zoom (200%)✅ Manual TechnologySupportKeyboard✅Screen reader (VoiceOver, NVDA)✅
Global settingsColor SchemeAll color tokens use the light-dark() CSS function. Set the theme via the CSS color-scheme property: light for light mode, dark for dark mode, or light dark to follow the user's system preference.LightDarkLight DarkDirectionThe dir global attribute in HTML changes the direction of text and other content within an element. It's most often used on the <html> tag to set the entire page's direction, which is crucial for supporting languages that are written from right to left (RTL), such as Arabic and Hebrew. For example, using <html dir="rtl"> makes the entire page display from right to left, adjusting the layout and text flow accordingly.LTR (left-to-right)RTL (right-to-left)Text ZoomTo ensure accessibility and comply with WCAG 2.2 AA standards, it is mandatory for web content to support text resizing up to at least 200% without loss of content or functionality. Using relative units like rem is a best practice for achieving this, as they allow the text to scale uniformly based on the user's browser settings.100%130%150%200%