InlineBackgroundImage.jsx
121 lines
| 1 | import { useEffect, useMemo } from '@wordpress/element'; |
| 2 | |
| 3 | import { ImageUpload } from '@components/index.js'; |
| 4 | |
| 5 | export function InlineBackgroundImage( { htmlAttributes, setAttributes, styles, onStyleChange, context, label } ) { |
| 6 | const inlineBackgroundURL = useMemo( () => { |
| 7 | const { style = '' } = htmlAttributes; |
| 8 | |
| 9 | const styleParts = style.split( ';' ); |
| 10 | |
| 11 | if ( 0 === styleParts.length ) { |
| 12 | return ''; |
| 13 | } |
| 14 | |
| 15 | const inlineBackgroundPart = styleParts.find( ( part ) => ( |
| 16 | part.trim().startsWith( '--inline-bg-image' ) |
| 17 | ) ); |
| 18 | |
| 19 | if ( ! inlineBackgroundPart ) { |
| 20 | return ''; |
| 21 | } |
| 22 | |
| 23 | return inlineBackgroundPart.split( 'url(' )[ 1 ].split( ')' )[ 0 ]; |
| 24 | }, [ htmlAttributes?.style ] ); |
| 25 | |
| 26 | function onChange( value ) { |
| 27 | const { style = '' } = htmlAttributes; |
| 28 | |
| 29 | const styleParts = style |
| 30 | .split( ';' ) |
| 31 | .filter( ( part ) => ( |
| 32 | '' !== part && ! part.trim().startsWith( '--inline-bg-image' ) |
| 33 | ) ); |
| 34 | |
| 35 | if ( value ) { |
| 36 | styleParts.push( '--inline-bg-image: url(' + value + ')' ); |
| 37 | } |
| 38 | |
| 39 | setAttributes( { |
| 40 | htmlAttributes: { |
| 41 | ...htmlAttributes, |
| 42 | style: styleParts.join( ';' ), |
| 43 | }, |
| 44 | } ); |
| 45 | } |
| 46 | |
| 47 | useEffect( () => { |
| 48 | const backgroundParts = styles?.backgroundImage?.split( ',' ) ?? []; |
| 49 | const hasInlineBackgroundVariable = backgroundParts.length > 0 && |
| 50 | backgroundParts.includes( 'var(--inline-bg-image)' ); |
| 51 | const hasInlineBackgroundAttribute = '' !== inlineBackgroundURL; |
| 52 | |
| 53 | if ( hasInlineBackgroundVariable && ! hasInlineBackgroundAttribute ) { |
| 54 | // We have the CSS, but no background image. |
| 55 | // Since we can't guess the background image, let's remove the CSS. |
| 56 | |
| 57 | const cleanedBackgroundParts = backgroundParts.filter( ( part ) => { |
| 58 | return part !== 'var(--inline-bg-image)'; |
| 59 | } ); |
| 60 | |
| 61 | const cleanedBackgroundStyle = cleanedBackgroundParts.length > 0 |
| 62 | ? cleanedBackgroundParts.join( ',' ) |
| 63 | : ''; |
| 64 | |
| 65 | onStyleChange( 'backgroundImage', cleanedBackgroundStyle ); |
| 66 | |
| 67 | if ( ! cleanedBackgroundStyle ) { |
| 68 | onStyleChange( 'backgroundSize', '' ); |
| 69 | onStyleChange( 'backgroundRepeat', '' ); |
| 70 | onStyleChange( 'backgroundPosition', '' ); |
| 71 | onStyleChange( 'backgroundBlendMode', '' ); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | if ( ! hasInlineBackgroundVariable && hasInlineBackgroundAttribute ) { |
| 76 | // We have the background image, but no CSS. |
| 77 | // Let's add the CSS. |
| 78 | |
| 79 | backgroundParts.push( 'var(--inline-bg-image)' ); |
| 80 | const newBackgroundStyle = backgroundParts.join( ',' ); |
| 81 | onStyleChange( 'backgroundImage', newBackgroundStyle ); |
| 82 | |
| 83 | if ( ! styles?.backgroundSize ) { |
| 84 | onStyleChange( 'backgroundSize', 'cover' ); |
| 85 | } |
| 86 | |
| 87 | if ( ! styles?.backgroundRepeat ) { |
| 88 | onStyleChange( 'backgroundRepeat', 'no-repeat' ); |
| 89 | } |
| 90 | |
| 91 | if ( ! styles?.backgroundPosition ) { |
| 92 | onStyleChange( 'backgroundPosition', 'center' ); |
| 93 | } |
| 94 | |
| 95 | if ( ! styles?.backgroundBlendMode ) { |
| 96 | onStyleChange( 'backgroundBlendMode', 'normal' ); |
| 97 | } |
| 98 | } |
| 99 | }, [ styles?.backgroundImage, inlineBackgroundURL ] ); |
| 100 | |
| 101 | return ( |
| 102 | <ImageUpload |
| 103 | label={ label } |
| 104 | value={ inlineBackgroundURL } |
| 105 | onInsert={ ( value ) => { |
| 106 | onChange( value ); |
| 107 | } } |
| 108 | onSelectImage={ ( image ) => { |
| 109 | if ( !! image ) { |
| 110 | onChange( image.url ); |
| 111 | } |
| 112 | } } |
| 113 | allowDynamicTags={ true } |
| 114 | onInsertDynamicTag={ ( tag ) => { |
| 115 | onChange( tag ); |
| 116 | } } |
| 117 | context={ context } |
| 118 | /> |
| 119 | ); |
| 120 | } |
| 121 |