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Merge branch 'main' into dependabot/npm_and_yarn/wordpress/dependency…
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…-extraction-webpack-plugin-4.31.0
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tomjn authored Dec 19, 2023
2 parents 833b51d + 4cfe31a commit a7b7742
Showing 1 changed file with 36 additions and 3 deletions.
39 changes: 36 additions & 3 deletions src/components/InnerBlockSlider/inner-block-slider-controlled.js
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,22 @@ const InnerBlockSliderControlled = ( {
} ) => {
const innerBlockTemplate = template || [ [ allowedBlock ] ];

const slideBlocks = useSelect( ( select ) => select( 'core/block-editor' ).getBlock( parentBlockId ).innerBlocks );
const {
slideBlocks,
selectedBlockId,
getLowestCommonAncestorWithSelectedBlock,
} = useSelect(
( select ) => {
const blockEditorStore = select( 'core/block-editor' );
return {
slideBlocks: blockEditorStore.getBlock( parentBlockId ).innerBlocks,
selectedBlockId: blockEditorStore.getSelectedBlockClientId(),
getLowestCommonAncestorWithSelectedBlock: blockEditorStore.getLowestCommonAncestorWithSelectedBlock,
};
}
);

const { selectBlock } = useDispatch( 'core/block-editor' );

// Track state in a ref, to allow us to determine if slides are added or removed.
const slideCount = useRef( slideBlocks.length );
Expand All @@ -55,17 +70,32 @@ const InnerBlockSliderControlled = ( {
// Slide added
const newIndex = slideBlocks.length - 1;
setCurrentItemIndex( newIndex );
selectBlock( slideBlocks[ newIndex ].clientId );
} else if ( slideBlocks.length < slideCount.current ) {
// Slide deleted
if ( currentItemIndex + 1 > slideBlocks.length ) {
const newIndex = slideBlocks.length - 1;
setCurrentItemIndex( newIndex );
selectBlock( slideBlocks[ newIndex ].clientId );
}
}

// Update ref with new value..
slideCount.current = slideBlocks.length;
}, [ slideBlocks.length, currentItemIndex, slideCount, setCurrentItemIndex ] );
}, [ slideBlocks.length, currentItemIndex, slideCount, setCurrentItemIndex, selectBlock, slideBlocks ] );

/**
* If the selected block ID changes to either a slideBlock, or an Innerblock of a slide, focus that slide.
*/
useEffect( () => {
const found = slideBlocks.findIndex( ( slideBlock ) => {
return getLowestCommonAncestorWithSelectedBlock( slideBlock.clientId ) === slideBlock.clientId;
} );

if ( found >= 0 ) {
setCurrentItemIndex( found );
}
}, [ selectedBlockId, slideBlocks, setCurrentItemIndex, getLowestCommonAncestorWithSelectedBlock ] );

return (
<div className="inner-block-slider">
Expand All @@ -84,7 +114,10 @@ const InnerBlockSliderControlled = ( {
currentPage={ currentItemIndex + 1 }
nextEnabled={ currentItemIndex + 1 < slideBlocks.length }
prevEnabled={ currentItemIndex + 1 > 1 }
setCurrentPage={ ( page ) => setCurrentItemIndex( page - 1 ) }
setCurrentPage={ ( page ) => {
setCurrentItemIndex( page - 1 );
selectBlock( slideBlocks[ page - 1 ].clientId );
} }
totalPages={ slideBlocks.length }
/> ) }
</div>
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