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[Try] Customizable toolbar contents (#23613)
* Customizable toolbar contents * Export BlockToolbarContents as __experimentalBlockToolbarContents * Update package-lock.json * Update package-lock.json * Use BlockControlsSlot instead of a custom BlockToolbarContents slot * Update package-lock.json * rename resize to resizeToolbar * Renamed symbols for increased readability * Rename CSS class for increased readability
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130 changes: 130 additions & 0 deletions
130
packages/block-editor/src/components/block-toolbar/expanded-block-controls-container.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| /** | ||
| * External dependencies | ||
| */ | ||
| import { TransitionGroup, CSSTransition } from 'react-transition-group'; | ||
| import { throttle } from 'lodash'; | ||
|
|
||
| /** | ||
| * WordPress dependencies | ||
| */ | ||
| import { useRef, useState, useEffect, useCallback } from '@wordpress/element'; | ||
| import warning from '@wordpress/warning'; | ||
|
|
||
| /** | ||
| * Internal dependencies | ||
| */ | ||
| import BlockControls from '../block-controls'; | ||
|
|
||
| export default function ExpandedBlockControlsContainer( { | ||
| children, | ||
| className, | ||
| } ) { | ||
| return ( | ||
| <BlockControls.Slot __experimentalIsExpanded> | ||
| { ( fills ) => { | ||
| return ( | ||
| <ExpandedBlockControlsHandler | ||
| className={ className } | ||
| fills={ fills } | ||
| > | ||
| { children } | ||
| </ExpandedBlockControlsHandler> | ||
| ); | ||
| } } | ||
| </BlockControls.Slot> | ||
| ); | ||
| } | ||
|
|
||
| function ExpandedBlockControlsHandler( { fills, className = '', children } ) { | ||
| const containerRef = useRef(); | ||
| const fillsRef = useRef(); | ||
| const toolbarRef = useRef(); | ||
| const [ dimensions, setDimensions ] = useState( {} ); | ||
|
|
||
| const fillsPropRef = useRef(); | ||
| fillsPropRef.current = fills; | ||
| const resizeToolbar = useCallback( | ||
| throttle( () => { | ||
| const toolbarContentElement = fillsPropRef.current.length | ||
| ? fillsRef.current | ||
| : toolbarRef.current; | ||
| if ( ! toolbarContentElement ) { | ||
| return; | ||
| } | ||
| toolbarContentElement.style.position = 'absolute'; | ||
| toolbarContentElement.style.width = 'auto'; | ||
| const contentCSS = window.getComputedStyle( | ||
| toolbarContentElement, | ||
| null | ||
| ); | ||
| setDimensions( { | ||
| width: contentCSS.getPropertyValue( 'width' ), | ||
| height: contentCSS.getPropertyValue( 'height' ), | ||
| } ); | ||
| toolbarContentElement.style.position = ''; | ||
| toolbarContentElement.style.width = ''; | ||
| }, 100 ), | ||
| [] | ||
| ); | ||
|
|
||
| useEffect( () => { | ||
| const observer = new window.MutationObserver( function ( | ||
| mutationsList | ||
| ) { | ||
| const hasChildList = mutationsList.find( | ||
| ( { type } ) => type === 'childList' | ||
| ); | ||
| if ( hasChildList ) { | ||
| resizeToolbar(); | ||
| } | ||
| } ); | ||
|
|
||
| observer.observe( containerRef.current, { | ||
| childList: true, | ||
| subtree: true, | ||
| } ); | ||
|
|
||
| return () => observer.disconnect(); | ||
| }, [] ); | ||
|
|
||
| useEffect( () => { | ||
| if ( fills.length > 1 ) { | ||
| warning( | ||
| `${ fills.length } <BlockControls isExpanded> slots were registered but only one may be displayed.` | ||
| ); | ||
| } | ||
| }, [ fills.length ] ); | ||
|
|
||
| const displayFill = fills[ 0 ]; | ||
| return ( | ||
| <div | ||
| className="block-editor-block-toolbar-animated-width-container" | ||
| ref={ containerRef } | ||
| style={ dimensions } | ||
| > | ||
| <TransitionGroup> | ||
| { displayFill ? ( | ||
| <CSSTransition | ||
| key="fills" | ||
| timeout={ 300 } | ||
| classNames="block-editor-block-toolbar-content" | ||
| > | ||
| <div className={ className } ref={ fillsRef }> | ||
| { displayFill } | ||
| </div> | ||
| </CSSTransition> | ||
| ) : ( | ||
| <CSSTransition | ||
| key="default" | ||
| timeout={ 300 } | ||
| classNames="block-editor-block-toolbar-content" | ||
| > | ||
| <div className={ className } ref={ toolbarRef }> | ||
| { children } | ||
| </div> | ||
| </CSSTransition> | ||
| ) } | ||
| </TransitionGroup> | ||
| </div> | ||
| ); | ||
| } |
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