[RNMobile] Add inserter block search

packages/block-editor/src/components/inserter/menu.native.js

@@ -1,21 +1,33 @@
+/**
+ * External dependencies
+ */
+import { View } from 'react-native';
 /**
  * WordPress dependencies
  */
-import { useEffect, useCallback } from '@wordpress/element';
+import { useEffect, useState, useCallback } from '@wordpress/element';
 import { useSelect, useDispatch } from '@wordpress/data';
 import {
 	createBlock,
 	rawHandler,
 	store as blocksStore,
 } from '@wordpress/blocks';
-import { getClipboard } from '@wordpress/components';
+import {
+	BottomSheet,
+	BottomSheetConsumer,
+	getClipboard,
+} from '@wordpress/components';
 
 /**
  * Internal dependencies
  */
 
 import InserterSearchResults from './search-results';
+import InserterSearchForm from './search-form';
 import { store as blockEditorStore } from '../../store';
+import { searchItems } from './search-items';
+
+const MIN_ITEMS_FOR_SEARCH = 2;
 
 function InserterMenu( {
 	onSelect,
@@ -26,6 +38,11 @@ function InserterMenu( {
 	shouldReplaceBlock,
 	insertionIndex,
 } ) {
+	const [ filterValue, setFilterValue ] = useState( '' );
+	const [ searchFormHeight, setSearchFormHeight ] = useState( 0 );
+	// eslint-disable-next-line no-undef
+	const [ showSearchForm, setShowSearchForm ] = useState( __DEV__ );
+
 	const {
 		showInsertionPoint,
 		hideInsertionPoint,
@@ -70,6 +87,7 @@ function InserterMenu( {
 	const { getBlockType } = useSelect( ( select ) => select( blocksStore ) );
 
 	useEffect( () => {
+		// Show/Hide insertion point on Mount/Dismount
 		if ( shouldReplaceBlock ) {
 			const count = getBlockCount();
 			// Check if there is a rootClientId because that means it is a nested replaceable block
@@ -86,14 +104,19 @@ function InserterMenu( {
 				removeBlock( blockToReplace, false );
 			}
 		}
-		// Show/Hide insertion point on Mount/Dismount
 		showInsertionPoint( destinationRootClientId, insertionIndex );
+
+		// Show search form if there are enough items to filter.
+		if ( getItems()?.length < MIN_ITEMS_FOR_SEARCH ) {
+			setShowSearchForm( false );
+		}
+
 		return hideInsertionPoint;
 	}, [] );
 
 	const onClose = useCallback( () => {
-		// If should replace but didn't insert any block
-		// re-insert default block.
+		// if should replace but didn't insert any block
+		// re-insert default block
 		if ( shouldReplaceBlock ) {
 			insertDefaultBlock( {}, destinationRootClientId, insertionIndex );
 		}
@@ -122,10 +145,12 @@ function InserterMenu( {
 	 */
 	function getItems() {
 		// Filter out reusable blocks (they will be added in another tab)
-		const itemsToDisplay = items.filter(
+		let itemsToDisplay = items.filter(
 			( { name } ) => name !== 'core/block'
 		);
 
+		itemsToDisplay = searchItems( itemsToDisplay, filterValue );
+
 		const clipboard = getClipboard();
 		let clipboardBlock = rawHandler( { HTML: clipboard } )[ 0 ];
 
@@ -153,14 +178,45 @@ function InserterMenu( {
 	}
 
 	return (
-		<InserterSearchResults
+		<BottomSheet
+			isVisible={ true }
 			onClose={ onClose }
-			items={ getItems() }
-			onSelect={ ( item ) => {
-				onInsert( item );
-				onSelect( item );
-			} }
-		/>
+			hideHeader
+			hasNavigation
+			setMinHeightToMaxHeight={ showSearchForm }
+		>
+			<BottomSheetConsumer>
+				{ ( { listProps, safeAreaBottomInset } ) => (
+					<View>
+						{ showSearchForm && (
+							<InserterSearchForm
+								onChange={ ( value ) => {
+									setFilterValue( value );
+								} }
+								value={ filterValue }
+								onLayout={ ( event ) => {
+									const { height } = event.nativeEvent.layout;
+									setSearchFormHeight( height );
+								} }
+							/>
+						) }
+
+						<InserterSearchResults
+							items={ getItems() }
+							onSelect={ ( item ) => {
+								onInsert( item );
+								onSelect( item );
+							} }
+							{ ...{
+								listProps,
+								safeAreaBottomInset,
+								searchFormHeight,
+							} }
+						/>
+					</View>
+				) }
+			</BottomSheetConsumer>
+		</BottomSheet>
 	);
 }
 

packages/block-editor/src/components/inserter/search-form.native.js

@@ -0,0 +1,92 @@
+/**
+ * External dependencies
+ */
+import { TextInput, View, TouchableHighlight } from 'react-native';
+
+/**
+ * WordPress dependencies
+ */
+import { useState, useRef } from '@wordpress/element';
+import { usePreferredColorSchemeStyle } from '@wordpress/compose';
+import { __ } from '@wordpress/i18n';
+import { ToolbarButton } from '@wordpress/components';
+import {
+	Icon,
+	cancelCircleFilled,
+	arrowLeft,
+	search as searchIcon,
+} from '@wordpress/icons';
+
+/**
+ * Internal dependencies
+ */
+import styles from './style.scss';
+
+function InserterSearchForm( { value, onChange, onLayout = () => {} } ) {
+	const [ isActive, setIsActive ] = useState( false );
+
+	const inputRef = useRef();
+
+	const searchFormStyle = usePreferredColorSchemeStyle(
+		styles.searchForm,
+		styles.searchFormDark
+	);
+
+	const searchFormInputStyle = usePreferredColorSchemeStyle(
+		styles.searchFormInput,
+		styles.searchFormInputDark
+	);
+
+	const placeholderStyle = usePreferredColorSchemeStyle(
+		styles.searchFormPlaceholder,
+		styles.searchFormPlaceholderDark
+	);
+
+	return (
+		<TouchableHighlight accessible={ false } onLayout={ onLayout }>
+			<View style={ searchFormStyle }>
+				{ isActive ? (
+					<ToolbarButton
+						title={ __( 'Cancel search' ) }
+						icon={ arrowLeft }
+						onClick={ () => {
+							inputRef.current.blur();
+							onChange( '' );
+							setIsActive( false );
+						} }
+					/>
+				) : (
+					<ToolbarButton
+						title={ __( 'Search block' ) }
+						icon={ searchIcon }
+						onClick={ () => {
+							inputRef.current.focus();
+							setIsActive( true );
+						} }
+					/>
+				) }
+				<TextInput
+					ref={ inputRef }
+					style={ searchFormInputStyle }
+					placeholderTextColor={ placeholderStyle.color }
+					onChangeText={ onChange }
+					onFocus={ () => setIsActive( true ) }
+					value={ value }
+					placeholder={ __( 'Search blocks' ) }
+				/>
+
+				{ !! value && (
+					<ToolbarButton
+						title={ __( 'Clear search' ) }
+						icon={ <Icon icon={ cancelCircleFilled } /> }
+						onClick={ () => {
+							onChange( '' );
+						} }
+					/>
+				) }
+			</View>
+		</TouchableHighlight>
+	);
+}
+
+export default InserterSearchForm;

packages/block-editor/src/components/inserter/search-results.native.js

@@ -13,11 +13,7 @@ import {
  * WordPress dependencies
  */
 import { useState, useEffect } from '@wordpress/element';
-import {
-	BottomSheet,
-	BottomSheetConsumer,
-	InserterButton,
-} from '@wordpress/components';
+import { BottomSheet, InserterButton } from '@wordpress/components';
 
 /**
  * Internal dependencies
@@ -26,7 +22,13 @@ import styles from './style.scss';
 
 const MIN_COL_NUM = 3;
 
-function InserterSearchResults( { items, onSelect, onClose } ) {
+function InserterSearchResults( {
+	items,
+	onSelect,
+	listProps,
+	safeAreaBottomInset,
+	searchFormHeight = 0,
+} ) {
 	const [ numberOfColumns, setNumberOfColumns ] = useState( MIN_COL_NUM );
 	const [ itemWidth, setItemWidth ] = useState();
 	const [ maxWidth, setMaxWidth ] = useState();
@@ -73,51 +75,41 @@ function InserterSearchResults( { items, onSelect, onClose } ) {
 	}
 
 	return (
-		<BottomSheet
-			isVisible={ true }
-			onClose={ onClose }
-			hideHeader
-			hasNavigation
-		>
-			<TouchableHighlight accessible={ false }>
-				<BottomSheetConsumer>
-					{ ( { listProps, safeAreaBottomInset } ) => (
-						<FlatList
-							onLayout={ onLayout }
-							key={ `InserterUI-${ numberOfColumns }` } //re-render when numberOfColumns changes
-							keyboardShouldPersistTaps="always"
-							numColumns={ numberOfColumns }
-							data={ items }
-							ItemSeparatorComponent={ () => (
-								<TouchableWithoutFeedback accessible={ false }>
-									<View style={ styles.rowSeparator } />
-								</TouchableWithoutFeedback>
-							) }
-							keyExtractor={ ( item ) => item.name }
-							renderItem={ ( { item } ) => (
-								<InserterButton
-									{ ...{
-										item,
-										itemWidth,
-										maxWidth,
-										onSelect,
-									} }
-								/>
-							) }
-							{ ...listProps }
-							contentContainerStyle={ [
-								...listProps.contentContainerStyle,
-								{
-									paddingBottom:
-										safeAreaBottomInset ||
-										styles.list.paddingBottom,
-								},
-							] }
-						/>
-					) }
-				</BottomSheetConsumer>
-			</TouchableHighlight>
-		</BottomSheet>
+		<TouchableHighlight accessible={ false }>
+			<FlatList
+				onLayout={ onLayout }
+				key={ `InserterUI-${ numberOfColumns }` } //re-render when numberOfColumns changes
+				keyboardShouldPersistTaps="always"
+				numColumns={ numberOfColumns }
+				data={ items }
+				initialNumToRender={ 3 }
+				ItemSeparatorComponent={ () => (
+					<TouchableWithoutFeedback accessible={ false }>
+						<View style={ styles.rowSeparator } />
+					</TouchableWithoutFeedback>
+				) }
+				keyExtractor={ ( item ) => item.name }
+				renderItem={ ( { item } ) => (
+					<InserterButton
+						{ ...{
+							item,
+							itemWidth,
+							maxWidth,
+							onSelect,
+						} }
+					/>
+				) }
+				{ ...listProps }
+				contentContainerStyle={ [
+					...listProps.contentContainerStyle,
+					{
+						paddingBottom:
+							( safeAreaBottomInset ||
+								styles.list.paddingBottom ) + searchFormHeight,
+					},
+				] }
+			/>
+		</TouchableHighlight>
 	);
 }
 

packages/block-editor/src/components/inserter/style.native.scss

@@ -19,3 +19,34 @@
 .list {
 	padding-bottom: 20;
 }
+
+.searchForm {
+	height: 46px;
+	border-radius: 8px;
+	color: $gray-dark;
+	margin: $grid-unit-30;
+	background-color: $gray-light;
+	flex-direction: row;
+	justify-content: space-between;
+}
+
+.searchFormDark {
+	background-color: rgba($white, 0.07);
+}
+
+.searchFormInput {
+	color: $gray-dark;
+	flex: 2;
+}
+
+.searchFormInputDark {
+	color: $white;
+}
+
+.searchFormPlaceholder {
+	color: $gray;
+}
+
+.searchFormPlaceholderDark {
+	color: rgba($white, 0.8);
+}