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ItemGroup: experimenting with chevron icon #36654

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merged 2 commits into from
Nov 23, 2021
Merged

ItemGroup: experimenting with chevron icon #36654

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e270b8b
ItemGroup: add chevron storybook example
ciampo Nov 19, 2021
113d2f0
Add RTL support to the chevron icon
ciampo Nov 23, 2021
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84 changes: 83 additions & 1 deletion packages/components/src/item-group/stories/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,15 +4,20 @@
* External dependencies
*/
import { boolean, select } from '@storybook/addon-knobs';
import { css } from '@emotion/react';
import styled from '@emotion/styled';

/**
* WordPress dependencies
*/
import { typography } from '@wordpress/icons';
import { typography, chevronRight } from '@wordpress/icons';
import { useMemo } from '@wordpress/element';
import { isRTL } from '@wordpress/i18n';

/**
* Internal dependencies
*/
import { useCx } from '../../utils';
import { ItemGroup, Item } from '..';
import Button from '../../button';
import { FlexItem, FlexBlock } from '../../flex';
Expand Down Expand Up @@ -117,6 +122,58 @@ const SimpleColorSwatch = ( { color, style } ) => (
/>
);

const ChevronWrapper = styled( FlexItem )`
display: block;
fill: currentColor;
transition: transform 0.15s ease-out;
`;

const ItemWithChevron = ( {
children,
className,
alwaysVisible,
...otherProps
} ) => {
const isRtlLayout = isRTL();
const cx = useCx();

const appearingChevron = css`
&:not( :hover ):not( :focus ) ${ ChevronWrapper } {
display: none;
}
`;

const itemClassName = useMemo(
() => cx( ! alwaysVisible && appearingChevron, className ),
[ alwaysVisible, className ]
);

const chevronIconClassName = useMemo(
() =>
cx( css`
display: block;
fill: currentColor;
transform: ${ isRtlLayout ? 'scaleX( -100% )' : 'none' };
` ),
[ isRtlLayout ]
);

return (
<Item { ...otherProps } className={ itemClassName }>
<HStack justify="flex-start">
<FlexBlock>{ children }</FlexBlock>
<ChevronWrapper>
<Icon
className={ chevronIconClassName }
icon={ chevronRight }
size={ 24 }
/>
</ChevronWrapper>
</HStack>
</Item>
);
};

export const complexLayouts = () => {
const colors = [
{
Expand Down Expand Up @@ -177,6 +234,31 @@ export const complexLayouts = () => {
</FlexItem>
</HStack>
</Item>

<ItemWithChevron onClick={ () => alert( 'Single color setting' ) }>
<HStack justify="flex-start">
<SimpleColorSwatch
color="#2FB63F"
style={ { flexShrink: 0 } }
/>

<Truncate>Chevron on hover and focus</Truncate>
</HStack>
</ItemWithChevron>

<ItemWithChevron
alwaysVisible
onClick={ () => alert( 'Single color setting' ) }
>
<HStack justify="flex-start">
<SimpleColorSwatch
color="#D175D0"
style={ { flexShrink: 0 } }
/>

<Truncate>Chevron always visible</Truncate>
</HStack>
</ItemWithChevron>
</ItemGroup>
);
};
Expand Down