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/* eslint-disable no-nested-ternary */ |
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|
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import { useEffect, useState } from '@wordpress/element'; |
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|
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export default function useDimensionHandler( |
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customHeight, |
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customWidth, |
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defaultHeight, |
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defaultWidth, |
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onChange |
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) { |
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const [ currentWidth, setCurrentWidth ] = useState( |
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customWidth ? customWidth : defaultWidth ? defaultWidth : '' |
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); |
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const [ currentHeight, setCurrentHeight ] = useState( |
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customHeight ? customHeight : defaultHeight ? defaultHeight : '' |
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); |
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|
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// When an image is first inserted, the default dimensions are initially |
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// undefined. This effect updates the dimensions when the default values |
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// come through. |
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useEffect( () => { |
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if ( customWidth === undefined && defaultWidth !== undefined ) { |
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setCurrentWidth( defaultWidth ); |
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} |
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if ( customHeight === undefined && defaultHeight !== undefined ) { |
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setCurrentHeight( defaultHeight ); |
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} |
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}, [ defaultWidth, defaultHeight ] ); |
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|
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// If custom values change, it means an outsider has resized the image using some other method (eg resize box) |
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// this keeps track of these values too. We need to parse before comparing; custom values can be strings. |
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useEffect( () => { |
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if ( |
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customWidth !== undefined && |
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Number.parseInt( customWidth ) !== Number.parseInt( currentWidth ) |
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) { |
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setCurrentWidth( customWidth ); |
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} |
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if ( |
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customHeight !== undefined && |
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Number.parseInt( customHeight ) !== Number.parseInt( currentHeight ) |
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) { |
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setCurrentHeight( customHeight ); |
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} |
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}, [ customWidth, customHeight ] ); |
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|
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const updateDimension = ( dimension, value ) => { |
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if ( dimension === 'width' ) { |
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setCurrentWidth( value ); |
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} else { |
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setCurrentHeight( value ); |
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} |
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onChange( { |
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[ dimension ]: value === '' ? undefined : parseInt( value, 10 ), |
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} ); |
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}; |
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|
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const updateDimensions = ( nextHeight, nextWidth ) => { |
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setCurrentHeight( nextHeight ? nextHeight : defaultHeight ? defaultHeight : '' ); |
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setCurrentHeight( nextWidth ? nextWidth : defaultWidth ? defaultWidth : '' ); |
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onChange( { height: nextHeight, width: nextWidth } ); |
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}; |
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|
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return { |
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currentHeight, |
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currentWidth, |
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updateDimension, |
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updateDimensions, |
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}; |
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} |
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