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sidebarSelect.js
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sidebarSelect.js
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/* Add custom attribute to image block, in Sidebar */
const { __ } = wp.i18n;
// Enable custom attributes on Image block
const enableSidebarSelectOnBlocks = [
'core/image'
];
const { createHigherOrderComponent } = wp.compose;
const { Fragment } = wp.element;
const { InspectorControls } = wp.blockEditor;
const { PanelBody, SelectControl } = wp.components;
import classnames from 'classnames'
/**
* Declare our custom attribute
*/
const setSidebarSelectAttribute = ( settings, name ) => {
// Do nothing if it's another block than our defined ones.
if ( ! enableSidebarSelectOnBlocks.includes( name ) ) {
return settings;
}
return Object.assign( {}, settings, {
attributes: Object.assign( {}, settings.attributes, {
imageAttribute: { type: 'string' }
} ),
} );
};
wp.hooks.addFilter(
'blocks.registerBlockType',
'custom-attributes/set-sidebar-select-attribute',
setSidebarSelectAttribute
);
/**
* Add Custom Select to Image Sidebar
*/
const withSidebarSelect = createHigherOrderComponent( ( BlockEdit ) => {
return ( props ) => {
// If current block is not allowed
if ( ! enableSidebarSelectOnBlocks.includes( props.name ) ) {
return (
<BlockEdit { ...props } />
);
}
const { attributes, setAttributes } = props;
const { imageAttribute } = attributes;
return (
<Fragment>
<BlockEdit { ...props } />
<InspectorControls>
<PanelBody
title={ __( 'Image Custom Attributes' ) }
>
<SelectControl
label={ __( 'Custom Attribute' ) }
value={ imageAttribute }
options={ [
{
label: __( 'None' ),
value: ''
},
{
label: __( 'One' ),
value: 'one'
}
] }
onChange={ ( value ) => {
setAttributes( {
imageAttribute: value,
} );
} }
/>
</PanelBody>
</InspectorControls>
</Fragment>
);
};
}, 'withSidebarSelect' );
wp.hooks.addFilter(
'editor.BlockEdit',
'custom-attributes/with-sidebar-select',
withSidebarSelect
);
/**
* Add custom class to block in Edit
*/
const withSidebarSelectProp = createHigherOrderComponent( ( BlockListBlock ) => {
return ( props ) => {
// If current block is not allowed
if ( ! enableSidebarSelectOnBlocks.includes( props.name ) ) {
return (
<BlockListBlock { ...props } />
);
}
const { attributes } = props;
const { imageAttribute } = attributes;
if ( imageAttribute ) {
return <BlockListBlock { ...props } className={ 'has-option-' + imageAttribute } />
} else {
return <BlockListBlock { ...props } />
}
};
}, 'withSidebarSelectProp' );
wp.hooks.addFilter(
'editor.BlockListBlock',
'custom-attributes/with-sidebar-select-prop',
withSidebarSelectProp
);
/**
* Save our custom attribute
*/
const saveSidebarSelectAttribute = ( extraProps, blockType, attributes ) => {
// Do nothing if it's another block than our defined ones.
if ( enableSidebarSelectOnBlocks.includes( blockType.name ) ) {
const { imageAttribute } = attributes;
if ( imageAttribute ) {
extraProps.className = classnames( extraProps.className, 'has-option-' + imageAttribute )
}
}
return extraProps;
};
wp.hooks.addFilter(
'blocks.getSaveContent.extraProps',
'custom-attributes/save-sidebar-select-attribute',
saveSidebarSelectAttribute
);