/
index.js
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/
index.js
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/**
* External dependencies
*/
import React from 'react';
import { isEmpty } from 'lodash';
import classnames from 'classnames';
/**
* WordPress dependencies
*/
import { IconButton, PanelBody, RangeControl, ToggleControl, Toolbar, withNotices } from '@wordpress/components';
import { Fragment } from '@wordpress/element';
import { __ } from '@wordpress/i18n';
import {
BlockControls,
InspectorControls,
BlockAlignmentToolbar,
MediaPlaceholder,
MediaUpload,
AlignmentToolbar,
RichText,
} from '@wordpress/editor';
import * as others from 'gutenberg/packages/block-library/build-module/cover-image/index?source=node_modules';
function dimRatioToClass (ratio) {
return (ratio === 0 || ratio === 50) ?
null :
'has-background-dim-' + (10 * Math.round(ratio / 10));
}
function backgroundImageStyles (url) {
return url ?
{ backgroundImage: `url(${url})` } :
undefined;
}
// added data attributes (which is an object)
others.settings.attributes.data = {
type: 'object',
default: {},
};
// overrired edit function to add data attributes
others.settings.edit = withNotices(({ attributes, setAttributes, isSelected, className, noticeOperations, noticeUI }) => {
const { url, title, align, contentAlign, id, hasParallax, dimRatio, data } = attributes;
const updateAlignment = nextAlign => setAttributes({ align: nextAlign });
const onSelectImage = media => {
if (! media || ! media.url) {
setAttributes({ url: undefined, id: undefined });
return;
}
const toUpdate = { url: media.url, id: media.id };
if (media.data) {
toUpdate.data = Object.keys(media.data)
.reduce((result, key) => {
result[`data-${key.replace('_', '-')}`] = media.data[key];
return result;
}, {});
}
setAttributes(toUpdate);
};
const toggleParallax = () => setAttributes({ hasParallax: ! hasParallax });
const setDimRatio = ratio => setAttributes({ dimRatio: ratio });
const style = backgroundImageStyles(url);
const classes = classnames(
className,
contentAlign !== 'center' && `has-${contentAlign}-content`,
dimRatioToClass(dimRatio),
{
'has-background-dim': dimRatio !== 0,
'has-parallax': hasParallax,
}
);
const controls = (
<Fragment>
<BlockControls>
<BlockAlignmentToolbar
value={ align }
onChange={ updateAlignment }
/>
<AlignmentToolbar
value={ contentAlign }
onChange={ nextAlign => {
setAttributes({ contentAlign: nextAlign });
} }
/>
<Toolbar>
<MediaUpload
onSelect={ onSelectImage }
type="image"
value={ id }
render={ ({ open }) => (
<IconButton
className="components-toolbar__control"
label={ __('Edit image') }
icon="edit"
onClick={ open }
/>
) }
/>
</Toolbar>
</BlockControls>
{ !! url && (
<InspectorControls>
<PanelBody title={ __('Cover Image Settings') }>
<ToggleControl
label={ __('Fixed Background') }
checked={ !! hasParallax }
onChange={ toggleParallax }
/>
<RangeControl
label={ __('Background Opacity') }
value={ dimRatio }
onChange={ setDimRatio }
min={ 0 }
max={ 100 }
step={ 10 }
/>
</PanelBody>
</InspectorControls>
) }
</Fragment>
);
if (! url) {
const hasTitle = ! isEmpty(title);
const icon = hasTitle ? undefined : 'format-image';
const label = hasTitle ? (
<RichText
tagName="h2"
value={ title }
onChange={ value => setAttributes({ title: value }) }
inlineToolbar
/>
) : __('Cover Image');
return (
<Fragment>
{ controls }
<MediaPlaceholder
icon={ icon }
className={ className }
labels={ {
title: label,
name: __('an image'),
} }
onSelect={ onSelectImage }
accept="image/*"
type="image"
notices={ noticeUI }
onError={ noticeOperations.createErrorNotice }
/>
</Fragment>
);
}
return (
<Fragment>
{ controls }
<div
data-url={ url }
style={ style }
className={ classes }
{ ...data }
>
{ (! RichText.isEmpty(title) || isSelected) && (
<RichText
tagName="p"
className="wp-block-cover-image-text"
placeholder={ __('Write title…') }
value={ title }
onChange={ value => setAttributes({ title: value }) }
inlineToolbar
/>
) }
</div>
</Fragment>
);
});
// overrired save function to add data attributes
others.settings.save = ({ attributes, className }) => {
const { url, title, hasParallax, dimRatio, align, contentAlign, data } = attributes;
const style = backgroundImageStyles(url);
const classes = classnames(
className,
dimRatioToClass(dimRatio),
{
'has-background-dim': dimRatio !== 0,
'has-parallax': hasParallax,
[ `has-${contentAlign}-content` ]: contentAlign !== 'center',
},
align ? `align${align}` : null,
);
return (
<div className={ classes } style={ style } { ...data }>
{ ! RichText.isEmpty(title) && (
<RichText.Content tagName="p" className="wp-block-cover-image-text" value={ title } />
) }
</div>
);
};
export * from 'gutenberg/packages/block-library/build-module/cover-image/index?source=node_modules';