Cart i2: view switcher shared to children (https://github.com/woocommerce/woocommerce-blocks/pull/4817)

* Replace context with __experimentalShareWithChildBlocks

* Switch to parent block when changing views

* Swap order of views

* Drop default, use first view

* Improve block selection after changing views

plugins/woocommerce-blocks/assets/js/blocks/cart-checkout/cart-i2/context.ts

@@ -6,22 +6,14 @@ import { createContext, useContext } from '@wordpress/element';
 /**
  * Context consumed by inner blocks.
  */
-export type CartBlockControlsContextProps = {
+export type CartBlockContextProps = {
-	viewSwitcher: {
+	currentView: string;
-		component: () => JSX.Element | null;
-		currentView: string;
-	};
 };
 
-export const CartBlockControlsContext = createContext<
+export const CartBlockContext = createContext< CartBlockContextProps >( {
-	CartBlockControlsContextProps
+	currentView: '',
->( {
-	viewSwitcher: {
-		component: () => null,
-		currentView: 'filledCart',
-	},
 } );
 
-export const useCartBlockControlsContext = (): CartBlockControlsContextProps => {
+export const useCartBlockContext = (): CartBlockContextProps => {
-	return useContext( CartBlockControlsContext );
+	return useContext( CartBlockContext );
 };

plugins/woocommerce-blocks/assets/js/blocks/cart-checkout/cart-i2/edit.tsx

@@ -6,9 +6,10 @@ import classnames from 'classnames';
 import { __ } from '@wordpress/i18n';
 import { CartCheckoutFeedbackPrompt } from '@woocommerce/editor-components/feedback-prompt';
 import {
-	InnerBlocks,
 	useBlockProps,
+	InnerBlocks,
 	InspectorControls,
+	BlockControls,
 } from '@wordpress/block-editor';
 import { PanelBody, ToggleControl, Notice } from '@wordpress/components';
 import { CartCheckoutCompatibilityNotice } from '@woocommerce/editor-components/compatibility-notices';
@@ -31,7 +32,7 @@ import './editor.scss';
 import { addClassToBody, useBlockPropsWithLocking } from './hacks';
 import { useViewSwitcher } from './use-view-switcher';
 import type { Attributes } from './types';
-import { CartBlockControlsContext } from './context';
+import { CartBlockContext } from './context';
 
 // This is adds a class to body to signal if the selected block is locked
 addClassToBody();
@@ -140,24 +141,28 @@ export const Edit = ( {
 	className,
 	attributes,
 	setAttributes,
+	clientId,
 }: {
 	className: string;
 	attributes: Attributes;
 	setAttributes: ( attributes: Record< string, unknown > ) => undefined;
+	clientId: string;
 } ): JSX.Element => {
-	const { currentView, component: ViewSwitcherComponent } = useViewSwitcher( [
+	const { currentView, component: ViewSwitcherComponent } = useViewSwitcher(
-		{
+		clientId,
-			view: 'emptyCart',
+		[
-			label: __( 'Empty Cart', 'woo-gutenberg-products-block' ),
+			{
-			icon: <Icon srcElement={ removeCart } />,
+				view: 'woocommerce/filled-cart-block',
-		},
+				label: __( 'Filled Cart', 'woo-gutenberg-products-block' ),
-		{
+				icon: <Icon srcElement={ filledCart } />,
-			view: 'filledCart',
+			},
-			label: __( 'Filled Cart', 'woo-gutenberg-products-block' ),
+			{
-			icon: <Icon srcElement={ filledCart } />,
+				view: 'woocommerce/empty-cart-block',
-			default: true,
+				label: __( 'Empty Cart', 'woo-gutenberg-products-block' ),
-		},
+				icon: <Icon srcElement={ removeCart } />,
-	] );
+			},
+		]
+	);
 	const cartClassName = classnames( {
 		'has-dark-controls': attributes.hasDarkControls,
 	} );
@@ -212,13 +217,12 @@ export const Edit = ( {
 						attributes={ attributes }
 						setAttributes={ setAttributes }
 					/>
-					<ViewSwitcherComponent />
+					<BlockControls __experimentalShareWithChildBlocks>
-					<CartBlockControlsContext.Provider
+						<ViewSwitcherComponent />
+					</BlockControls>
+					<CartBlockContext.Provider
 						value={ {
-							viewSwitcher: {
+							currentView,
-								component: ViewSwitcherComponent,
-								currentView,
-							},
 						} }
 					>
 						<CartProvider>
@@ -230,7 +234,7 @@ export const Edit = ( {
 								/>
 							</div>
 						</CartProvider>
-					</CartBlockControlsContext.Provider>
+					</CartBlockContext.Provider>
 				</EditorProvider>
 			</BlockErrorBoundary>
 			<CartCheckoutCompatibilityNotice blockName="cart" />

plugins/woocommerce-blocks/assets/js/blocks/cart-checkout/cart-i2/index.js

@@ -29,6 +29,7 @@ const settings = {
 		align: false,
 		html: false,
 		multiple: false,
+		__experimentalExposeControlsToChildren: true,
 	},
 	example: {
 		attributes: {

plugins/woocommerce-blocks/assets/js/blocks/cart-checkout/cart-i2/inner-blocks/empty-cart-block/edit.tsx

@@ -9,10 +9,11 @@ import { innerBlockAreas } from '@woocommerce/blocks-checkout';
  */
 import { useForcedLayout } from '../../use-forced-layout';
 import { getAllowedBlocks } from '../../editor-utils';
-import { useCartBlockControlsContext } from '../../context';
+import { useCartBlockContext } from '../../context';
 
 export const Edit = ( { clientId }: { clientId: string } ): JSX.Element => {
 	const blockProps = useBlockProps();
+	const { currentView } = useCartBlockContext();
 	const allowedBlocks = getAllowedBlocks( innerBlockAreas.EMPTY_CART );
 
 	useForcedLayout( {
@@ -20,18 +21,16 @@ export const Edit = ( { clientId }: { clientId: string } ): JSX.Element => {
 		template: allowedBlocks,
 	} );
 
-	const {
-		viewSwitcher: { currentView, component: ViewSwitcherComponent },
-	} = useCartBlockControlsContext();
-
 	return (
-		<div { ...blockProps } hidden={ currentView !== 'emptyCart' }>
+		<div
+			{ ...blockProps }
+			hidden={ currentView !== 'woocommerce/empty-cart-block' }
+		>
 			This is the empty cart block.
 			<InnerBlocks
 				allowedBlocks={ allowedBlocks }
 				templateLock={ false }
 			/>
-			<ViewSwitcherComponent />
 		</div>
 	);
 };

plugins/woocommerce-blocks/assets/js/blocks/cart-checkout/cart-i2/inner-blocks/filled-cart-block/edit.tsx

@@ -12,23 +12,22 @@ import { useForcedLayout } from '../../use-forced-layout';
 import { getAllowedBlocks } from '../../editor-utils';
 import { Columns } from './../../columns';
 import './editor.scss';
-import { useCartBlockControlsContext } from '../../context';
+import { useCartBlockContext } from '../../context';
 
 export const Edit = ( { clientId }: { clientId: string } ): JSX.Element => {
 	const blockProps = useBlockProps();
+	const { currentView } = useCartBlockContext();
 	const allowedBlocks = getAllowedBlocks( innerBlockAreas.FILLED_CART );
 
 	useForcedLayout( {
 		clientId,
 		template: allowedBlocks,
 	} );
-
-	const {
-		viewSwitcher: { currentView, component: ViewSwitcherComponent },
-	} = useCartBlockControlsContext();
-
 	return (
-		<div { ...blockProps } hidden={ currentView !== 'filledCart' }>
+		<div
+			{ ...blockProps }
+			hidden={ currentView !== 'woocommerce/filled-cart-block' }
+		>
 			<Columns>
 				<SidebarLayout className={ 'wc-block-cart' }>
 					<InnerBlocks
@@ -37,7 +36,6 @@ export const Edit = ( { clientId }: { clientId: string } ): JSX.Element => {
 					/>
 				</SidebarLayout>
 			</Columns>
-			<ViewSwitcherComponent />
 		</div>
 	);
 };

plugins/woocommerce-blocks/assets/js/blocks/cart-checkout/cart-i2/use-view-switcher.tsx

@@ -3,50 +3,52 @@
  */
 import { __ } from '@wordpress/i18n';
 import { useState } from '@wordpress/element';
+import { useDispatch, select } from '@wordpress/data';
 import { Toolbar, ToolbarDropdownMenu } from '@wordpress/components';
-import { BlockControls } from '@wordpress/block-editor';
 import { Icon, eye } from '@woocommerce/icons';
+import { store as blockEditorStore } from '@wordpress/block-editor';
 
 interface View {
 	view: string;
 	label: string;
 	icon: string | JSX.Element;
-	default?: boolean;
 }
 
 export const useViewSwitcher = (
+	clientId: string,
 	views: View[]
 ): {
 	currentView: string;
 	component: () => JSX.Element;
 } => {
-	const initialView =
+	const initialView = views[ 0 ];
-		views?.find( ( view ) => view.default === true ) || views[ 0 ];
 	const [ currentView, setCurrentView ] = useState( initialView );
+	const { selectBlock } = useDispatch( 'core/block-editor' );
+	const { getBlock } = select( blockEditorStore );
 
 	const ViewSwitcherComponent = () => (
-		<BlockControls>
+		<Toolbar>
-			<Toolbar>
+			<ToolbarDropdownMenu
-				<ToolbarDropdownMenu
+				label={ __( 'Switch view', 'woo-gutenberg-products-block' ) }
-					label={ __(
+				text={ currentView.label }
-						'Switch view',
+				icon={
-						'woo-gutenberg-products-block'
+					<Icon srcElement={ eye } style={ { marginRight: '8px' } } />
-					) }
+				}
-					text={ currentView.label }
+				controls={ views.map( ( view ) => ( {
-					icon={
+					...view,
-						<Icon
+					title: view.label,
-							srcElement={ eye }
+					onClick: () => {
-							style={ { marginRight: '8px' } }
+						setCurrentView( view );
-						/>
+						selectBlock(
-					}
+							getBlock( clientId ).innerBlocks.find(
-					controls={ views.map( ( view ) => ( {
+								( block: { name: string } ) =>
-						...view,
+									block.name === view.view
-						title: view.label,
+							)?.clientId || clientId
-						onClick: () => setCurrentView( view ),
+						);
-					} ) ) }
+					},
-				/>
+				} ) ) }
-			</Toolbar>
+			/>
-		</BlockControls>
+		</Toolbar>
 	);
 
 	return {