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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,61 +1,80 @@ | ||
| /** | ||
| * External dependencies | ||
| */ | ||
| import { debounce } from 'lodash'; | ||
| /** | ||
| * WordPress dependencies | ||
| */ | ||
| import { useDispatch } from '@wordpress/data'; | ||
| import { useEffect, useState } from '@wordpress/element'; | ||
|
|
||
| export default function useAutohide( navElement, wrappedElementsContainer ) { | ||
| const [ isWrapping, setIsWrapping ] = useState( false ); | ||
| export default function useAutohide( clientId, innerBlocks, ref ) { | ||
| const [ state, setState ] = useState( { | ||
| isWrapping: false, | ||
| visibilityMap: [], | ||
| } ); | ||
|
|
||
| useEffect( () => { | ||
| if ( navElement && wrappedElementsContainer ) { | ||
| let timeout; | ||
| const handleResize = debounce( ( nav ) => { | ||
| const { bottom } = nav.getBoundingClientRect(); | ||
|
|
||
| const { bottom } = navElement.current.getBoundingClientRect(); | ||
| const items = Array.from( nav.childNodes ); | ||
| const visibilityMap = items.reduce( ( result, el ) => { | ||
| const isHidden = el.getBoundingClientRect().y >= bottom; | ||
| const [ , blockId ] = el.id.split( 'block-' ); | ||
|
|
||
| function handleResize() { | ||
| if ( timeout ) { | ||
| window.cancelAnimationFrame( timeout ); | ||
| } | ||
| return { | ||
| ...result, | ||
| [ blockId ]: isHidden, | ||
| }; | ||
| }, {} ); | ||
| const hasWrappedElements = Object.values( visibilityMap ).some( | ||
| ( item ) => item.isHidden | ||
| ); | ||
|
|
||
| timeout = window.requestAnimationFrame( () => { | ||
| const items = Array.from( navElement.current.childNodes ); // i need to work in terms of react component | ||
| // Using the rendered DOM nodes does not allow me to alter props. | ||
| // I would also like to use react in order to move the components around. | ||
| // I can do this by storing arrays of elements. | ||
| // Moving the elements from the main container to the wrapped elements container is actually easier with react. cool. | ||
| setState( { | ||
| isWrapping: hasWrappedElements, | ||
| visibilityMap, | ||
| } ); | ||
| }, 100 ); | ||
|
|
||
| const hasWrappedElements = items.some( ( el ) => { | ||
| const isBelowBottom = | ||
| el.getBoundingClientRect().y >= bottom; | ||
| useEffect( () => { | ||
| const element = ref.current; | ||
|
|
||
| // @todo: move this side effect elsewhere. | ||
| el.classList.toggle( 'wrapped', isBelowBottom ); | ||
| if ( ! element ) { | ||
| return; | ||
| } | ||
|
|
||
| const elementCopy = el.cloneNode( true ); | ||
| const { ownerDocument } = element; | ||
|
|
||
| if ( isBelowBottom ) { | ||
| wrappedElementsContainer.append( elementCopy ); | ||
| } | ||
| window.addEventListener( | ||
| 'resize', | ||
| () => handleResize( element ), | ||
| false | ||
| ); | ||
|
|
||
| return isBelowBottom; | ||
| } ); | ||
| handleResize( element ); | ||
|
|
||
| setIsWrapping( hasWrappedElements ); | ||
| } ); | ||
| } | ||
| return () => { | ||
| window.removeEventListener( 'resize', () => | ||
| handleResize( element ) | ||
| ); | ||
| }; | ||
| }, [ innerBlocks ] ); | ||
|
|
||
| window.addEventListener( 'resize', handleResize, false ); | ||
| const updatedBlocks = innerBlocks.map( ( block ) => ( { | ||
| ...block, | ||
| isHidden: state.visibilityMap[ block.clientId ], | ||
| } ) ); | ||
|
|
||
| handleResize(); | ||
| console.log( updatedBlocks ); | ||
|
|
||
| return () => { | ||
| // remove resize listener | ||
| if ( navElement ) { | ||
| window.removeEventListener( 'resize', handleResize ); | ||
| } | ||
| }; | ||
| } | ||
| }, [ navElement, wrappedElementsContainer ] ); | ||
| useDispatch( ( dispatch ) => | ||
| dispatch( 'core/block-editor' ).replaceInnerBlocks( | ||
| clientId, | ||
| updatedBlocks, | ||
| true | ||
| ) | ||
| ); | ||
|
|
||
| return [ isWrapping ]; | ||
| return state; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| export default function ( navItemsElement ) { | ||
| if ( navItemsElement && null !== navItemsElement.current ) { | ||
| const items = Array.from( navItemsElement.current.childNodes ); | ||
|
|
||
| return window.getComputedStyle( items[ 0 ] ).height; | ||
| } | ||
|
|
||
| return 0; | ||
| } |