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Share the block style selector code (#14383)
* share the block style selector code * Memoized the style previews to prevent them from rerendering * remove unused CSS * Remove unused class * Dont show block previews unless they are supported * use the internal memo if it exists * don't try to render the style selector if there's no valid block Co-authored-by: Paul Bunkham <[email protected]>
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extensions/blocks/calendly/blockStylesPreviewAndSelector.js
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extensions/shared/components/block-styles-selector/index.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| /** | ||
| * External Dependencies | ||
| */ | ||
| import classnames from 'classnames'; | ||
| import { isEqual } from 'lodash'; | ||
|
|
||
| /** | ||
| * WordPress dependencies | ||
| */ | ||
| import { memo } from '@wordpress/element'; | ||
| import { getBlockType, getBlockFromExample, createBlock } from '@wordpress/blocks'; | ||
| import { BlockPreview } from '@wordpress/block-editor'; | ||
| import { useSelect } from '@wordpress/data'; | ||
| import { ENTER, SPACE } from '@wordpress/keycodes'; | ||
|
|
||
| const StylePreview = ( { attributes, styleOption, viewportWidth, blockName } ) => { | ||
| const type = getBlockType( blockName ); | ||
|
|
||
| return ( | ||
| <div className="block-editor-block-styles__item-preview"> | ||
| <BlockPreview | ||
| viewportWidth={ viewportWidth } | ||
| blocks={ | ||
| type.example | ||
| ? getBlockFromExample( blockName, { | ||
| attributes: { ...type.example.attributes, style: styleOption.value }, | ||
| innerBlocks: type.example.innerBlocks, | ||
| } ) | ||
| : createBlock( type, attributes ) | ||
| } | ||
| /> | ||
| </div> | ||
| ); | ||
| }; | ||
|
|
||
| const StylePreviewComponent = memo | ||
| ? memo( StylePreview, ( prevProps, nextProps ) => isEqual( prevProps, nextProps ) ) | ||
| : StylePreview; | ||
|
|
||
| export default function BlockStylesSelector( { | ||
| attributes, | ||
| clientId, | ||
| styleOptions, | ||
| onSelectStyle, | ||
| activeStyle, | ||
| viewportWidth, | ||
| } ) { | ||
| let block; | ||
| if ( useSelect ) { | ||
| block = useSelect( select => { | ||
| const { getBlock } = select( 'core/block-editor' ); | ||
| return getBlock( clientId ); | ||
| } ); | ||
| } | ||
|
|
||
| return ( | ||
| <div className="block-editor-block-styles"> | ||
| { styleOptions.map( styleOption => { | ||
| const optionAttributes = { | ||
| ...attributes, | ||
| style: styleOption.value, | ||
| }; | ||
| return ( | ||
| <div | ||
| key={ styleOption.value } | ||
| className={ classnames( 'block-editor-block-styles__item', { | ||
| 'is-active': styleOption.value === activeStyle, | ||
| } ) } | ||
| onClick={ () => { | ||
| onSelectStyle( { style: styleOption.value } ); | ||
| } } | ||
| onKeyDown={ event => { | ||
| if ( ENTER === event.keyCode || SPACE === event.keyCode ) { | ||
| event.preventDefault(); | ||
| onSelectStyle( { style: styleOption.value } ); | ||
| } | ||
| } } | ||
| role="button" | ||
| tabIndex="0" | ||
| aria-label={ styleOption.label } | ||
| > | ||
| { useSelect && block && ( | ||
| <StylePreviewComponent | ||
| blockName={ block.name } | ||
| styleOption={ styleOption } | ||
| attributes={ optionAttributes } | ||
| viewportWidth={ viewportWidth } | ||
| /> | ||
| ) } | ||
| <div className="block-editor-block-styles__item-label">{ styleOption.label }</div> | ||
| </div> | ||
| ); | ||
| } ) } | ||
| </div> | ||
| ); | ||
| } |