Buttons block: overhaul alignment/justification controls

lib/patterns/two-buttons.php

@@ -7,7 +7,7 @@
 
 return array(
  'title' => __( 'Two buttons', 'gutenberg' ),
- 'content' => "<!-- wp:buttons {\"align\":\"center\"} -->\n<div class=\"wp-block-buttons aligncenter\"><!-- wp:button {\"borderRadius\":2,\"style\":{\"color\":{\"background\":\"#ba0c49\",\"text\":\"#fffffa\"}}} -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-color has-background\" style=\"border-radius:2px;background-color:#ba0c49;color:#fffffa\">" . __( 'Download now', 'gutenberg' ) . "</a></div>\n<!-- /wp:button -->\n\n<!-- wp:button {\"borderRadius\":2,\"style\":{\"color\":{\"text\":\"#ba0c49\"}},\"className\":\"is-style-outline\"} -->\n<div class=\"wp-block-button is-style-outline\"><a class=\"wp-block-button__link has-text-color\" style=\"border-radius:2px;color:#ba0c49\">" . __( 'About Cervantes', 'gutenberg' ) . "</a></div>\n<!-- /wp:button --></div>\n<!-- /wp:buttons -->",
+ 'content' => "<!-- wp:buttons {\"contentJustification\":\"center\"} -->\n<div class=\"wp-block-buttons is-content-justification-center\"><!-- wp:button {\"borderRadius\":2,\"style\":{\"color\":{\"background\":\"#ba0c49\",\"text\":\"#fffffa\"}}} -->\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-text-color has-background\" style=\"border-radius:2px;background-color:#ba0c49;color:#fffffa\">" . __( 'Download now', 'gutenberg' ) . "</a></div>\n<!-- /wp:button -->\n\n<!-- wp:button {\"borderRadius\":2,\"style\":{\"color\":{\"text\":\"#ba0c49\"}},\"className\":\"is-style-outline\"} -->\n<div class=\"wp-block-button is-style-outline\"><a class=\"wp-block-button__link has-text-color\" style=\"border-radius:2px;color:#ba0c49\">" . __( 'About Cervantes', 'gutenberg' ) . "</a></div>\n<!-- /wp:button --></div>\n<!-- /wp:buttons -->",
  'viewportWidth' => 500,
  'categories' => array( 'buttons' ),
  'description' => _x( 'Two buttons, one filled and one outlined, side by side.', 'Block pattern description', 'gutenberg' ),

packages/block-library/src/buttons/block.json

@@ -2,9 +2,13 @@
  "apiVersion": 2,
  "name": "core/buttons",
  "category": "design",
+ "attributes": {
+ "contentJustification": {
+ "type": "string"
+ }
+ },
  "supports": {
  "anchor": true,
- "align": true,
- "alignWide": false
+ "align": [ "wide", "full" ]
  }
 }

packages/block-library/src/buttons/content-justification-dropdown.js

@@ -0,0 +1,73 @@
+/**
+ * WordPress dependencies
+ */
+import { DropdownMenu } from '@wordpress/components';
+import { __ } from '@wordpress/i18n';
+
+/**
+ * Internal dependencies
+ */
+import {
+ contentJustificationCenterIcon,
+ contentJustificationLeftIcon,
+ contentJustificationRightIcon,
+} from './icons';
+
+const DEFAULT_ALLOWED_VALUES = [ 'left', 'center', 'right' ];
+
+const CONTROLS = {
+ left: {
+ icon: contentJustificationLeftIcon,
+ title: __( 'Justify content left' ),
+ },
+ center: {
+ icon: contentJustificationCenterIcon,
+ title: __( 'Justify content center' ),
+ },
+ right: {
+ icon: contentJustificationRightIcon,
+ title: __( 'Justify content right' ),
+ },
+};
+
+const DEFAULT_ICON = CONTROLS.center.icon;
+
+/**
+ * Dropdown for selecting a content justification option.
+ *
+ * @param {Object} props Component props.
+ * @param {string[]} [props.allowedValues] List of options to include. Default:
+ * ['left', 'center', 'right'].
+ * @param {()=>void} props.onChange Callback to run when an option is
+ * selected in the dropdown.
+ * @param {Object} props.toggleProps Props to pass to the dropdown toggle.
+ * @param {string} props.value The current content justification
+ * value.
+ *
+ * @return {WPComponent} The component.
+ */
+export default function ContentJustificationDropdown( {
+ onChange,
+ allowedValues = DEFAULT_ALLOWED_VALUES,
+ toggleProps,
+ value,
+} ) {
+ return (
+ <DropdownMenu
+ icon={ CONTROLS[ value ]?.icon ?? DEFAULT_ICON }
+ label={ __( 'Change content justification' ) }
+ controls={ allowedValues.map( ( allowedValue ) => {
+ return {
+ ...CONTROLS[ allowedValue ],
+ isActive: value === allowedValue,
+ role: 'menuitemradio',
+ onClick: () =>
+ onChange(
+ value === allowedValue ? undefined : allowedValue
+ ),
+ };
+ } ) }
+ toggleProps={ toggleProps }
+ />
+ );
+}

packages/block-library/src/buttons/deprecated.js

@@ -0,0 +1,38 @@
+/**
+ * WordPress dependencies
+ */
+import { InnerBlocks } from '@wordpress/block-editor';
+
+const deprecated = [
+ {
+ supports: {
+ align: [ 'center', 'left', 'right' ],
+ anchor: true,
+ },
+ save() {
+ return (
+ <div>
+ <InnerBlocks.Content />
+ </div>
+ );
+ },
+ isEligible( { align } ) {
+ return align && [ 'center', 'left', 'right' ].includes( align );
+ },
+ migrate( attributes ) {
+ return {
+ ...attributes,
+ align: undefined,
+ // Floating Buttons blocks shouldn't have been supported in the
+ // first place. Most users using them probably expected them to
+ // act like content justification controls, so these blocks are
+ // migrated to use content justification.
+ // As for center-aligned Buttons blocks, the content justification
+ // equivalent will create an identical end result in most cases.
+ contentJustification: attributes.align,
+ };
+ },
+ },
+];
+
+export default deprecated;

packages/block-library/src/buttons/edit.js

@@ -1,21 +1,36 @@
+/**
+ * External dependencies
+ */
+import classnames from 'classnames';
+
 /**
  * WordPress dependencies
  */
 import {
- __experimentalUseInnerBlocksProps as useInnerBlocksProps,
+ BlockControls,
  useBlockProps,
+ __experimentalUseInnerBlocksProps as useInnerBlocksProps,
 } from '@wordpress/block-editor';
+import { ToolbarGroup, ToolbarItem } from '@wordpress/components';
 
 /**
  * Internal dependencies
  */
-import { name as buttonBlockName } from '../button/';
+import { name as buttonBlockName } from '../button';
+import ContentJustificationDropdown from './content-justification-dropdown';
 
 const ALLOWED_BLOCKS = [ buttonBlockName ];
 const BUTTONS_TEMPLATE = [ [ 'core/button' ] ];
 
-function ButtonsEdit() {
- const blockProps = useBlockProps();
+function ButtonsEdit( {
+ attributes: { contentJustification },
+ setAttributes,
+} ) {
+ const blockProps = useBlockProps( {
+ className: classnames( {
+ [ `is-content-justification-${ contentJustification }` ]: contentJustification,
+ } ),
+ } );
  const innerBlocksProps = useInnerBlocksProps( blockProps, {
  allowedBlocks: ALLOWED_BLOCKS,
  template: BUTTONS_TEMPLATE,
@@ -25,7 +40,28 @@ function ButtonsEdit() {
  alignments: [],
  },
  } );
- return <div { ...innerBlocksProps } />;
+ return (
+ <>
+ <BlockControls>
+ <ToolbarGroup>
+ <ToolbarItem>
+ { ( toggleProps ) => (
+ <ContentJustificationDropdown
+ toggleProps={ toggleProps }
+ value={ contentJustification }
+ onChange={ ( updatedValue ) => {
+ setAttributes( {
+ contentJustification: updatedValue,
+ } );
+ } }
+ />
+ ) }
+ </ToolbarItem>
+ </ToolbarGroup>
+ </BlockControls>
+ <div { ...innerBlocksProps } />
+ </>
+ );
 }
 
 export default ButtonsEdit;

packages/block-library/src/buttons/edit.native.js

@@ -7,25 +7,28 @@ import { View } from 'react-native';
 /**
  * WordPress dependencies
  */
-import { InnerBlocks } from '@wordpress/block-editor';
+import { BlockControls, InnerBlocks } from '@wordpress/block-editor';
 import { createBlock } from '@wordpress/blocks';
 import { useResizeObserver } from '@wordpress/compose';
 import { useDispatch, useSelect } from '@wordpress/data';
 import { useState, useEffect, useRef } from '@wordpress/element';
+import { ToolbarGroup, ToolbarItem } from '@wordpress/components';
 
 /**
  * Internal dependencies
  */
 import { name as buttonBlockName } from '../button/';
 import styles from './editor.scss';
+import ContentJustificationDropdown from './content-justification-dropdown';
 
 const ALLOWED_BLOCKS = [ buttonBlockName ];
 const BUTTONS_TEMPLATE = [ [ 'core/button' ] ];
 
 export default function ButtonsEdit( {
- attributes: { align },
+ attributes: { contentJustification },
  clientId,
  isSelected,
+ setAttributes,
 } ) {
  const [ resizeObserver, sizes ] = useResizeObserver();
  const [ maxWidth, setMaxWidth ] = useState( 0 );
@@ -85,6 +88,12 @@ export default function ButtonsEdit( {
  selectBlock( insertedBlock.clientId );
  }, 200 );
 
+ function onChangeContentJustification( updatedValue ) {
+ setAttributes( {
+ contentJustification: updatedValue,
+ } );
+ }
+
  const renderFooterAppender = useRef( () => (
  <View style={ styles.appenderContainer }>
  <InnerBlocks.ButtonBlockAppender
@@ -98,6 +107,19 @@ export default function ButtonsEdit( {
 
  return (
  <>
+ <BlockControls>
+ <ToolbarGroup>
+ <ToolbarItem>
+ { ( toggleProps ) => (
+ <ContentJustificationDropdown
+ toggleProps={ toggleProps }
+ value={ contentJustification }
+ onChange={ onChangeContentJustification }
+ />
+ ) }
+ </ToolbarItem>
+ </ToolbarGroup>
+ </BlockControls>
  { resizeObserver }
  <InnerBlocks
  allowedBlocks={ ALLOWED_BLOCKS }
@@ -106,7 +128,7 @@ export default function ButtonsEdit( {
  shouldRenderFooterAppender && renderFooterAppender.current
  }
  orientation="horizontal"
- horizontalAlignment={ align }
+ horizontalAlignment={ contentJustification }
  onDeleteBlock={
  shouldDelete ? () => removeBlock( clientId ) : undefined
  }

packages/block-library/src/buttons/editor.scss

@@ -16,5 +16,6 @@
 }
 
 .wp-block-buttons > .block-list-appender {
- display: inline-block;
+ display: inline-flex;
+ align-items: center;
 }

packages/block-library/src/buttons/icons.js

@@ -0,0 +1,37 @@
+/**
+ * WordPress dependencies
+ */
+import { Path, SVG } from '@wordpress/components';
+
+export const contentJustificationLeftIcon = (
+ <SVG
+ width="20"
+ height="20"
+ xmlns="https://www.w3.org/2000/svg"
+ viewBox="0 0 24 24"
+ >
+ <Path d="M11 16v-3h10v-2H11V8l-4 4 4 4zM5 4H3v16h2V4z" />
+ </SVG>
+);
+
+export const contentJustificationCenterIcon = (
+ <SVG
+ width="20"
+ height="20"
+ xmlns="https://www.w3.org/2000/svg"
+ viewBox="0 0 24 24"
+ >
+ <Path d="M5 8v3H1v2h4v3l4-4-4-4zm14 8v-3h4v-2h-4V8l-4 4 4 4zM13 4h-2v16h2V4z" />
+ </SVG>
+);
+
+export const contentJustificationRightIcon = (
+ <SVG
+ width="20"
+ height="20"
+ xmlns="https://www.w3.org/2000/svg"
+ viewBox="0 0 24 24"
+ >
+ <Path d="M13 8v3H3v2h10v3l4-4-4-4zm8-4h-2v16h2V4z" />
+ </SVG>
+);

packages/block-library/src/buttons/index.js

@@ -7,6 +7,7 @@ import { button as icon } from '@wordpress/icons';
 /**
  * Internal dependencies
  */
+import deprecated from './deprecated';
 import transforms from './transforms';
 import edit from './edit';
 import metadata from './block.json';
@@ -35,6 +36,7 @@ export const settings = {
  },
  ],
  },
+ deprecated,
  transforms,
  edit,
  save,

packages/block-library/src/buttons/save.js

@@ -1,11 +1,22 @@
+/**
+ * External dependencies
+ */
+import classnames from 'classnames';
+
 /**
  * WordPress dependencies
  */
 import { InnerBlocks, useBlockProps } from '@wordpress/block-editor';
 
-export default function save() {
+export default function save( { attributes: { contentJustification } } ) {
  return (
- <div { ...useBlockProps.save() }>
+ <div
+ { ...useBlockProps.save( {
+ className: classnames( {
+ [ `is-content-justification-${ contentJustification }` ]: contentJustification,
+ } ),
+ } ) }
+ >
  <InnerBlocks.Content />
  </div>
  );