feat(ui-breadcrumb,ui-tooltip): add tooltips for truncated breadcrumbs

Closes: INSTUI-4371

Author: HerrTopi

packages/ui-breadcrumb/src/Breadcrumb/BreadcrumbLink/index.tsx

@@ -28,9 +28,10 @@ import { TruncateText } from '@instructure/ui-truncate-text'
 import { Link } from '@instructure/ui-link'
 import { omitProps } from '@instructure/ui-react-utils'
 import { testable } from '@instructure/ui-testable'
+import { Tooltip } from '@instructure/ui-tooltip'
 
 import { propTypes, allowedProps } from './props'
-import type { BreadcrumbLinkProps } from './props'
+import type { BreadcrumbLinkProps, BreadcrumbLinkState } from './props'
 
 /**
 ---
@@ -40,7 +41,10 @@ id: Breadcrumb.Link
 **/
 
 @testable()
-class BreadcrumbLink extends Component<BreadcrumbLinkProps> {
+class BreadcrumbLink extends Component<
+  BreadcrumbLinkProps,
+  BreadcrumbLinkState
+> {
   static readonly componentId = 'Breadcrumb.Link'
 
   static propTypes = propTypes
@@ -52,26 +56,43 @@ class BreadcrumbLink extends Component<BreadcrumbLinkProps> {
   handleRef = (el: Element | null) => {
     this.ref = el
   }
+  constructor(props: BreadcrumbLinkProps) {
+    super(props)
 
+    this.state = {
+      isTruncated: false
+    }
+  }
+  handleTruncation(isTruncated: boolean) {
+    if (isTruncated !== this.state.isTruncated) {
+      this.setState({ isTruncated })
+    }
+  }
   render() {
     const { children, href, renderIcon, iconPlacement, onClick, onMouseEnter } =
       this.props
-
+    const { isTruncated } = this.state
     const props = omitProps(this.props, BreadcrumbLink.allowedProps)
 
     return (
-      <Link
-        {...props}
-        href={href}
-        renderIcon={renderIcon}
-        iconPlacement={iconPlacement}
-        onClick={onClick}
-        onMouseEnter={onMouseEnter}
-        isWithinText={false}
-        elementRef={this.handleRef}
-      >
-        <TruncateText>{children}</TruncateText>
-      </Link>
+      <Tooltip renderTip={children} preventTooltip={!isTruncated}>
+        <Link
+          {...props}
+          href={href}
+          renderIcon={renderIcon}
+          iconPlacement={iconPlacement}
+          onClick={onClick}
+          onMouseEnter={onMouseEnter}
+          isWithinText={false}
+          elementRef={this.handleRef}
+        >
+          <TruncateText
+            onUpdate={(isTruncated) => this.handleTruncation(isTruncated)}
+          >
+            <span aria-hidden={isTruncated}>{children}</span>
+          </TruncateText>
+        </Link>
+      </Tooltip>
     )
   }
 }

packages/ui-breadcrumb/src/Breadcrumb/BreadcrumbLink/props.ts

@@ -102,5 +102,9 @@ const allowedProps: AllowedPropKeys = [
   'size'
 ]
 
-export type { BreadcrumbLinkProps }
+type BreadcrumbLinkState = {
+  isTruncated: boolean
+}
+
+export type { BreadcrumbLinkProps, BreadcrumbLinkState }
 export { propTypes, allowedProps }

packages/ui-tooltip/src/Tooltip/index.tsx

@@ -64,7 +64,8 @@ class Tooltip extends Component<TooltipProps, TooltipState> {
     placement: 'top',
     constrain: 'window',
     offsetX: 0,
-    offsetY: 0
+    offsetY: 0,
+    preventTooltip: false
   } as const
 
   private readonly _id: string
@@ -148,15 +149,16 @@ class Tooltip extends Component<TooltipProps, TooltipState> {
       positionTarget,
       onShowContent,
       onHideContent,
+      preventTooltip,
       styles,
       ...rest
     } = this.props
 
     return (
       <Popover
         {...passthroughProps(rest)}
-        isShowingContent={isShowingContent}
-        defaultIsShowingContent={defaultIsShowingContent}
+        isShowingContent={!preventTooltip && isShowingContent}
+        defaultIsShowingContent={!preventTooltip && defaultIsShowingContent}
         on={on}
         shouldRenderOffscreen
         shouldReturnFocus={false}
@@ -177,10 +179,12 @@ class Tooltip extends Component<TooltipProps, TooltipState> {
         shouldCloseOnDocumentClick={false}
         shouldCloseOnEscape
       >
-        <span id={this._id} css={styles?.tooltip} role="tooltip">
-          {/* TODO: figure out how to add a ref to this */}
-          {callRenderProp(renderTip)}
-        </span>
+        {!preventTooltip ? (
+          <span id={this._id} css={styles?.tooltip} role="tooltip">
+            {/* TODO: figure out how to add a ref to this */}
+            {callRenderProp(renderTip)}
+          </span>
+        ) : null}
       </Popover>
     )
   }

packages/ui-tooltip/src/Tooltip/props.ts

@@ -148,6 +148,12 @@ type TooltipOwnProps = {
     event: React.UIEvent | React.FocusEvent,
     args: { documentClick: boolean }
   ) => void
+
+  /**
+   * If true, it won't display the tooltip. This is useful in cases when tooltip is conditionally needed
+   * but in an uncontrolled way
+   */
+  preventTooltip?: boolean
 }
 
 type PropKeys = keyof TooltipOwnProps
@@ -177,6 +183,7 @@ type PropsPassableToPopover = Omit<
   | 'onFocus'
   | 'onBlur'
   | 'elementRef'
+  | 'preventTooltip'
 >
 
 type TooltipProps = PropsPassableToPopover &
@@ -211,7 +218,8 @@ const propTypes: PropValidators<PropKeys> = {
   offsetY: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
   positionTarget: PropTypes.oneOfType([element, PropTypes.func]),
   onShowContent: PropTypes.func,
-  onHideContent: PropTypes.func
+  onHideContent: PropTypes.func,
+  preventTooltip: PropTypes.bool
 }
 
 const allowedProps: AllowedPropKeys = [
@@ -230,7 +238,8 @@ const allowedProps: AllowedPropKeys = [
   'offsetY',
   'positionTarget',
   'onShowContent',
-  'onHideContent'
+  'onHideContent',
+  'preventTooltip'
 ]
 
 export type {

packages/ui-top-nav-bar/src/TopNavBar/TopNavBarLayout/DesktopLayout/__new-tests__/TopNavBarDesktopLayout.test.tsx

@@ -72,7 +72,7 @@ describe('<TopNavBarDesktopLayout />', () => {
 
   describe('renderBreadcrumb', () => {
     it('should render breadcrumb container', () => {
-      const { getByLabelText, getByText } = render(
+      const { getByLabelText, getAllByText } = render(
         <TopNavBarContext.Provider
           value={{
             layout: 'desktop',
@@ -87,9 +87,9 @@ describe('<TopNavBarDesktopLayout />', () => {
         </TopNavBarContext.Provider>
       )
       const breadCrumbContainer = getByLabelText('You are here')
-      const crumb1 = getByText('Course page 1')
-      const crumb2 = getByText('Course page 2')
-      const crumb3 = getByText('Course page 3')
+      const crumb1 = getAllByText('Course page 1')[0]
+      const crumb2 = getAllByText('Course page 2')[0]
+      const crumb3 = getAllByText('Course page 3')[0]
 
       expect(breadCrumbContainer).toBeInTheDocument()
       expect(crumb1).toBeVisible()