List View: Add keyboard shortcut to select all blocks

packages/block-editor/src/components/list-view/block-select-button.js

@@ -19,6 +19,7 @@ import { SPACE, ENTER, BACKSPACE, DELETE } from '@wordpress/keycodes';
 import { useSelect, useDispatch } from '@wordpress/data';
 import { __unstableUseShortcutEventMatch as useShortcutEventMatch } from '@wordpress/keyboard-shortcuts';
 import { __, sprintf } from '@wordpress/i18n';
+import isShallowEqual from '@wordpress/is-shallow-equal';
 
 /**
  * Internal dependencies
@@ -30,6 +31,7 @@ import ListViewExpander from './expander';
 import { useBlockLock } from '../block-lock';
 import { store as blockEditorStore } from '../../store';
 import useListViewImages from './use-list-view-images';
+import { useListViewContext } from './context';
 
 function ListViewBlockSelectButton(
 	{
@@ -64,10 +66,12 @@ function ListViewBlockSelectButton(
 		getBlocksByClientId,
 		canRemoveBlocks,
 	} = useSelect( blockEditorStore );
-	const { duplicateBlocks, removeBlocks } = useDispatch( blockEditorStore );
+	const { duplicateBlocks, multiSelect, removeBlocks } =
+		useDispatch( blockEditorStore );
 	const isMatch = useShortcutEventMatch();
 	const isSticky = blockInformation?.positionType === 'sticky';
 	const images = useListViewImages( { clientId, isExpanded } );
+	const { rootClientId } = useListViewContext();
 
 	const positionLabel = blockInformation?.positionLabel
 		? sprintf(
@@ -183,6 +187,45 @@ function ListViewBlockSelectButton(
 					updateFocusAndSelection( updatedBlocks[ 0 ], false );
 				}
 			}
+		} else if ( isMatch( 'core/block-editor/select-all', event ) ) {
+			if ( event.defaultPrevented ) {
+				return;
+			}
+			event.preventDefault();
+
+			const { firstBlockRootClientId, selectedBlockClientIds } =
+				getBlocksToUpdate();
+			const blockClientIds = getBlockOrder( firstBlockRootClientId );
+			if ( ! blockClientIds.length ) {
+				return;
+			}
+
+			// If we have selected all sibling nested blocks, try selecting up a level.
+			// This is a similar implementation to that used by `useSelectAll`.
+			// `isShallowEqual` is used for the list view instead of a length check,
+			// as the array of siblings of the currently focused block may be a different
+			// set of blocks from the current block selection if the user is focused
+			// on a different part of the list view from the block selection.
+			if ( isShallowEqual( selectedBlockClientIds, blockClientIds ) ) {
+				// Only select up a level if the first block is not the root block.
+				// This ensures that the block selection can't break out of the root block
+				// used by the list view, if the list view is only showing a partial hierarchy.
+				if (
+					firstBlockRootClientId &&
+					firstBlockRootClientId !== rootClientId
+				) {
+					updateFocusAndSelection( firstBlockRootClientId, true );
+					return;
+				}
+			}
+
+			// Select all while passing `null` to skip focusing to the editor canvas,
+			// and retain focus within the list view.
+			multiSelect(
+				blockClientIds[ 0 ],
+				blockClientIds[ blockClientIds.length - 1 ],
+				null
+			);
 		}
 	}
 

packages/block-editor/src/components/list-view/index.js

@@ -222,6 +222,7 @@ function ListViewComponent(
 			insertedBlock,
 			setInsertedBlock,
 			treeGridElementRef: elementRef,
+			rootClientId,
 		} ),
 		[
 			draggedClientIds,
@@ -233,6 +234,7 @@ function ListViewComponent(
 			AdditionalBlockContent,
 			insertedBlock,
 			setInsertedBlock,
+			rootClientId,
 		]
 	);
 

test/e2e/specs/editor/various/list-view.spec.js

@@ -421,7 +421,7 @@ test.describe( 'List View', () => {
 		).toBeFocused();
 	} );
 
-	test( 'should duplicate, delete, and deselect blocks using keyboard', async ( {
+	test( 'should select, duplicate, delete, and deselect blocks using keyboard', async ( {
 		editor,
 		page,
 		pageUtils,
@@ -464,6 +464,116 @@ test.describe( 'List View', () => {
 				{ name: 'core/file', selected: true, focused: true },
 			] );
 
+		// Move up to columns block, expand, and then move to the first column block.
+		await page.keyboard.press( 'ArrowUp' );
+		await page.keyboard.press( 'ArrowRight' );
+		await page.keyboard.press( 'ArrowDown' );
+
+		await expect
+			.poll(
+				listViewUtils.getBlocksWithA11yAttributes,
+				'The last inserted block should be selected, while the first column block should be focused.'
+			)
+			.toMatchObject( [
+				{ name: 'core/group' },
+				{
+					name: 'core/columns',
+					innerBlocks: [
+						{ name: 'core/column', selected: false, focused: true },
+						{ name: 'core/column' },
+					],
+				},
+				{ name: 'core/file', selected: true, focused: false },
+			] );
+
+		// Select all sibling column blocks at current level.
+		await pageUtils.pressKeys( 'primary+a' );
+		await expect
+			.poll(
+				listViewUtils.getBlocksWithA11yAttributes,
+				'All column blocks should be selected, with the first one focused.'
+			)
+			.toMatchObject( [
+				{ name: 'core/group', selected: false, focused: false },
+				{
+					name: 'core/columns',
+					innerBlocks: [
+						{ name: 'core/column', selected: true, focused: true },
+						{ name: 'core/column', selected: true, focused: false },
+					],
+					selected: false,
+				},
+				{ name: 'core/file', selected: false, focused: false },
+			] );
+
+		// Select next parent (the columns block).
+		await pageUtils.pressKeys( 'primary+a' );
+		await expect
+			.poll(
+				listViewUtils.getBlocksWithA11yAttributes,
+				'The columns block should be selected and focused.'
+			)
+			.toMatchObject( [
+				{ name: 'core/group', selected: false, focused: false },
+				{
+					name: 'core/columns',
+					innerBlocks: [
+						{ name: 'core/column' },
+						{ name: 'core/column' },
+					],
+					selected: true,
+					focused: true,
+				},
+				{ name: 'core/file', selected: false, focused: false },
+			] );
+
+		// Select all siblings at root level.
+		await pageUtils.pressKeys( 'primary+a' );
+		await expect
+			.poll(
+				listViewUtils.getBlocksWithA11yAttributes,
+				'All blocks should be selected.'
+			)
+			.toMatchObject( [
+				{ name: 'core/group', selected: true, focused: false },
+				{
+					name: 'core/columns',
+					innerBlocks: [
+						{ name: 'core/column' },
+						{ name: 'core/column' },
+					],
+					selected: true,
+					focused: true,
+				},
+				{ name: 'core/file', selected: true, focused: false },
+			] );
+
+		// Deselect blocks via Escape key.
+		await page.keyboard.press( 'Escape' );
+		// Collapse the columns block.
+		await page.keyboard.press( 'ArrowLeft' );
+
+		await expect
+			.poll(
+				listViewUtils.getBlocksWithA11yAttributes,
+				'All blocks should be deselected, with focus on the Columns block.'
+			)
+			.toMatchObject( [
+				{ name: 'core/group', selected: false, focused: false },
+				{
+					name: 'core/columns',
+					selected: false,
+					focused: true,
+				},
+				{ name: 'core/file', selected: false, focused: false },
+			] );
+
+		// Move focus and selection to the file block to set up for testing duplication.
+		await listView
+			.getByRole( 'gridcell', { name: 'File', exact: true } )
+			.dblclick();
+
+		// Test duplication behaviour.
 		await pageUtils.pressKeys( 'primaryShift+d' );
 
 		await expect