/
index.js
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/
index.js
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/**
* External dependencies
*/
import { kebabCase } from 'lodash';
/**
* WordPress dependencies
*/
import { useState, useRef, useEffect, useCallback } from '@wordpress/element';
import { __, sprintf } from '@wordpress/i18n';
import { lineSolid, moreVertical, plus } from '@wordpress/icons';
import {
__experimentalUseFocusOutside as useFocusOutside,
useDebounce,
} from '@wordpress/compose';
/**
* Internal dependencies
*/
import Button from '../button';
import { ColorPicker } from '../color-picker';
import { FlexItem } from '../flex';
import { HStack } from '../h-stack';
import { ItemGroup } from '../item-group';
import { VStack } from '../v-stack';
import GradientPicker from '../gradient-picker';
import ColorPalette from '../color-palette';
import DropdownMenu from '../dropdown-menu';
import Popover from '../popover';
import {
PaletteActionsContainer,
PaletteEditStyles,
PaletteHeading,
PaletteHStackHeader,
IndicatorStyled,
PaletteItem,
NameContainer,
NameInputControl,
DoneButton,
RemoveButton,
} from './styles';
import { NavigableMenu } from '../navigable-container';
import { DEFAULT_GRADIENT } from '../custom-gradient-picker/constants';
import CustomGradientPicker from '../custom-gradient-picker';
const DEFAULT_COLOR = '#000';
function NameInput( { value, onChange, label } ) {
return (
<NameInputControl
label={ label }
hideLabelFromVision
value={ value }
onChange={ onChange }
/>
);
}
/**
* Returns a temporary name for a palette item in the format "Color + id".
* To ensure there are no duplicate ids, this function checks all slugs for temporary names.
* It expects slugs to be in the format: slugPrefix + color- + number.
* It then sets the id component of the new name based on the incremented id of the highest existing slug id.
*
* @param {string} elements An array of color palette items.
* @param {string} slugPrefix The slug prefix used to match the element slug.
*
* @return {string} A unique name for a palette item.
*/
export function getNameForPosition( elements, slugPrefix ) {
const temporaryNameRegex = new RegExp( `^${ slugPrefix }color-([\\d]+)$` );
const position = elements.reduce( ( previousValue, currentValue ) => {
if ( typeof currentValue?.slug === 'string' ) {
const matches = currentValue?.slug.match( temporaryNameRegex );
if ( matches ) {
const id = parseInt( matches[ 1 ], 10 );
if ( id >= previousValue ) {
return id + 1;
}
}
}
return previousValue;
}, 1 );
return sprintf(
/* translators: %s: is a temporary id for a custom color */
__( 'Color %s' ),
position
);
}
function ColorPickerPopover( {
isGradient,
element,
onChange,
onClose = () => {},
} ) {
return (
<Popover
placement="left-start"
offset={ 20 }
className="components-palette-edit__popover"
onClose={ onClose }
>
{ ! isGradient && (
<ColorPicker
color={ element.color }
enableAlpha
onChange={ ( newColor ) =>
onChange( {
...element,
color: newColor,
} )
}
/>
) }
{ isGradient && (
<div className="components-palette-edit__popover-gradient-picker">
<CustomGradientPicker
__nextHasNoMargin
__experimentalIsRenderedInSidebar
value={ element.gradient }
onChange={ ( newGradient ) =>
onChange( {
...element,
gradient: newGradient,
} )
}
/>
</div>
) }
</Popover>
);
}
function Option( {
canOnlyChangeValues,
element,
onChange,
isEditing,
onStartEditing,
onRemove,
onStopEditing,
slugPrefix,
isGradient,
} ) {
const focusOutsideProps = useFocusOutside( onStopEditing );
const value = isGradient ? element.gradient : element.color;
return (
<PaletteItem
className={ isEditing ? 'is-selected' : undefined }
as="div"
onClick={ onStartEditing }
{ ...( isEditing
? { ...focusOutsideProps }
: {
style: {
cursor: 'pointer',
},
} ) }
>
<HStack justify="flex-start">
<FlexItem>
<IndicatorStyled
style={ { background: value, color: 'transparent' } }
/>
</FlexItem>
<FlexItem>
{ isEditing && ! canOnlyChangeValues ? (
<NameInput
label={
isGradient
? __( 'Gradient name' )
: __( 'Color name' )
}
value={ element.name }
onChange={ ( nextName ) =>
onChange( {
...element,
name: nextName,
slug: slugPrefix + kebabCase( nextName ),
} )
}
/>
) : (
<NameContainer>{ element.name }</NameContainer>
) }
</FlexItem>
{ isEditing && ! canOnlyChangeValues && (
<FlexItem>
<RemoveButton
isSmall
icon={ lineSolid }
label={ __( 'Remove color' ) }
onClick={ onRemove }
/>
</FlexItem>
) }
</HStack>
{ isEditing && (
<ColorPickerPopover
isGradient={ isGradient }
onChange={ onChange }
element={ element }
/>
) }
</PaletteItem>
);
}
function isTemporaryElement( slugPrefix, { slug, color, gradient } ) {
const regex = new RegExp( `^${ slugPrefix }color-([\\d]+)$` );
return (
regex.test( slug ) &&
( ( !! color && color === DEFAULT_COLOR ) ||
( !! gradient && gradient === DEFAULT_GRADIENT ) )
);
}
function PaletteEditListView( {
elements,
onChange,
editingElement,
setEditingElement,
canOnlyChangeValues,
slugPrefix,
isGradient,
} ) {
// When unmounting the component if there are empty elements (the user did not complete the insertion) clean them.
const elementsReference = useRef();
useEffect( () => {
elementsReference.current = elements;
}, [ elements ] );
useEffect( () => {
return () => {
if (
elementsReference.current.some( ( element, index ) =>
isTemporaryElement( slugPrefix, element, index )
)
) {
const newElements = elementsReference.current.filter(
( element ) => ! isTemporaryElement( slugPrefix, element )
);
onChange( newElements.length ? newElements : undefined );
}
};
// Disable reason: adding the missing dependency here would cause breaking changes that will require
// a heavier refactor to avoid. See https://github.com/WordPress/gutenberg/pull/43911
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [] );
const debounceOnChange = useDebounce( onChange, 100 );
return (
<VStack spacing={ 3 }>
<ItemGroup isRounded>
{ elements.map( ( element, index ) => (
<Option
isGradient={ isGradient }
canOnlyChangeValues={ canOnlyChangeValues }
key={ index }
element={ element }
onStartEditing={ () => {
if ( editingElement !== index ) {
setEditingElement( index );
}
} }
onChange={ ( newElement ) => {
debounceOnChange(
elements.map(
( currentElement, currentIndex ) => {
if ( currentIndex === index ) {
return newElement;
}
return currentElement;
}
)
);
} }
onRemove={ () => {
setEditingElement( null );
const newElements = elements.filter(
( _currentElement, currentIndex ) => {
if ( currentIndex === index ) {
return false;
}
return true;
}
);
onChange(
newElements.length ? newElements : undefined
);
} }
isEditing={ index === editingElement }
onStopEditing={ () => {
if ( index === editingElement ) {
setEditingElement( null );
}
} }
slugPrefix={ slugPrefix }
/>
) ) }
</ItemGroup>
</VStack>
);
}
const EMPTY_ARRAY = [];
export default function PaletteEdit( {
gradients,
colors = EMPTY_ARRAY,
onChange,
paletteLabel,
paletteLabelHeadingLevel = 2,
emptyMessage,
canOnlyChangeValues,
canReset,
slugPrefix = '',
} ) {
const isGradient = !! gradients;
const elements = isGradient ? gradients : colors;
const [ isEditing, setIsEditing ] = useState( false );
const [ editingElement, setEditingElement ] = useState( null );
const isAdding =
isEditing &&
editingElement &&
elements[ editingElement ] &&
! elements[ editingElement ].slug;
const elementsLength = elements.length;
const hasElements = elementsLength > 0;
const debounceOnChange = useDebounce( onChange, 100 );
const onSelectPaletteItem = useCallback(
( value, newEditingElementIndex ) => {
const selectedElement = elements[ newEditingElementIndex ];
const key = isGradient ? 'gradient' : 'color';
// Ensures that the index returned matches a known element value.
if ( !! selectedElement && selectedElement[ key ] === value ) {
setEditingElement( newEditingElementIndex );
} else {
setIsEditing( true );
}
},
[ isGradient, elements ]
);
return (
<PaletteEditStyles>
<PaletteHStackHeader>
<PaletteHeading level={ paletteLabelHeadingLevel }>
{ paletteLabel }
</PaletteHeading>
<PaletteActionsContainer>
{ hasElements && isEditing && (
<DoneButton
isSmall
onClick={ () => {
setIsEditing( false );
setEditingElement( null );
} }
>
{ __( 'Done' ) }
</DoneButton>
) }
{ ! canOnlyChangeValues && (
<Button
isSmall
isPressed={ isAdding }
icon={ plus }
label={
isGradient
? __( 'Add gradient' )
: __( 'Add color' )
}
onClick={ () => {
const tempOptionName = getNameForPosition(
elements,
slugPrefix
);
onChange( [
...elements,
{
...( isGradient
? { gradient: DEFAULT_GRADIENT }
: { color: DEFAULT_COLOR } ),
name: tempOptionName,
slug:
slugPrefix +
kebabCase( tempOptionName ),
},
] );
setIsEditing( true );
setEditingElement( elements.length );
} }
/>
) }
{ hasElements &&
( ! isEditing ||
! canOnlyChangeValues ||
canReset ) && (
<DropdownMenu
icon={ moreVertical }
label={
isGradient
? __( 'Gradient options' )
: __( 'Color options' )
}
toggleProps={ {
isSmall: true,
} }
>
{ ( { onClose } ) => (
<>
<NavigableMenu role="menu">
{ ! isEditing && (
<Button
variant="tertiary"
onClick={ () => {
setIsEditing( true );
onClose();
} }
className="components-palette-edit__menu-button"
>
{ __( 'Show details' ) }
</Button>
) }
{ ! canOnlyChangeValues && (
<Button
variant="tertiary"
onClick={ () => {
setEditingElement(
null
);
setIsEditing( false );
onChange();
onClose();
} }
className="components-palette-edit__menu-button"
>
{ isGradient
? __(
'Remove all gradients'
)
: __(
'Remove all colors'
) }
</Button>
) }
{ canReset && (
<Button
variant="tertiary"
onClick={ () => {
setEditingElement(
null
);
onChange();
onClose();
} }
>
{ isGradient
? __( 'Reset gradient' )
: __( 'Reset colors' ) }
</Button>
) }
</NavigableMenu>
</>
) }
</DropdownMenu>
) }
</PaletteActionsContainer>
</PaletteHStackHeader>
{ hasElements && (
<>
{ isEditing && (
<PaletteEditListView
canOnlyChangeValues={ canOnlyChangeValues }
elements={ elements }
onChange={ onChange }
editingElement={ editingElement }
setEditingElement={ setEditingElement }
slugPrefix={ slugPrefix }
isGradient={ isGradient }
/>
) }
{ ! isEditing && editingElement !== null && (
<ColorPickerPopover
isGradient={ isGradient }
onClose={ () => setEditingElement( null ) }
onChange={ ( newElement ) => {
debounceOnChange(
elements.map(
( currentElement, currentIndex ) => {
if (
currentIndex === editingElement
) {
return newElement;
}
return currentElement;
}
)
);
} }
element={ elements[ editingElement ] }
/>
) }
{ ! isEditing &&
( isGradient ? (
<GradientPicker
__nextHasNoMargin
gradients={ gradients }
onChange={ onSelectPaletteItem }
clearable={ false }
disableCustomGradients={ true }
/>
) : (
<ColorPalette
colors={ colors }
onChange={ onSelectPaletteItem }
clearable={ false }
disableCustomColors={ true }
/>
) ) }
</>
) }
{ ! hasElements && emptyMessage }
</PaletteEditStyles>
);
}