@wordpress/components
Version:
UI components for WordPress.
105 lines (103 loc) • 2.67 kB
JavaScript
/**
* WordPress dependencies
*/
import { useMemo } from '@wordpress/element';
import { decodeEntities } from '@wordpress/html-entities';
/**
* Internal dependencies
*/
import { SelectControl } from '../select-control';
import { useDeprecated36pxDefaultSizeProp } from '../utils/use-deprecated-props';
import { ContextSystemProvider } from '../context';
import { jsx as _jsx } from "react/jsx-runtime";
const CONTEXT_VALUE = {
BaseControl: {
// Temporary during deprecation grace period: Overrides the underlying `__associatedWPComponentName`
// via the context system to override the value set by SelectControl.
_overrides: {
__associatedWPComponentName: 'TreeSelect'
}
}
};
function getSelectOptions(tree, level = 0) {
return tree.flatMap(treeNode => [{
value: treeNode.id,
label: '\u00A0'.repeat(level * 3) + decodeEntities(treeNode.name)
}, ...getSelectOptions(treeNode.children || [], level + 1)]);
}
/**
* TreeSelect component is used to generate select input fields.
*
* ```jsx
* import { TreeSelect } from '@wordpress/components';
* import { useState } from '@wordpress/element';
*
* const MyTreeSelect = () => {
* const [ page, setPage ] = useState( 'p21' );
*
* return (
* <TreeSelect
* __nextHasNoMarginBottom
* label="Parent page"
* noOptionLabel="No parent page"
* onChange={ ( newPage ) => setPage( newPage ) }
* selectedId={ page }
* tree={ [
* {
* name: 'Page 1',
* id: 'p1',
* children: [
* { name: 'Descend 1 of page 1', id: 'p11' },
* { name: 'Descend 2 of page 1', id: 'p12' },
* ],
* },
* {
* name: 'Page 2',
* id: 'p2',
* children: [
* {
* name: 'Descend 1 of page 2',
* id: 'p21',
* children: [
* {
* name: 'Descend 1 of Descend 1 of page 2',
* id: 'p211',
* },
* ],
* },
* ],
* },
* ] }
* />
* );
* }
* ```
*/
export function TreeSelect(props) {
const {
label,
noOptionLabel,
onChange,
selectedId,
tree = [],
...restProps
} = useDeprecated36pxDefaultSizeProp(props);
const options = useMemo(() => {
return [noOptionLabel && {
value: '',
label: noOptionLabel
}, ...getSelectOptions(tree)].filter(option => !!option);
}, [noOptionLabel, tree]);
return /*#__PURE__*/_jsx(ContextSystemProvider, {
value: CONTEXT_VALUE,
children: /*#__PURE__*/_jsx(SelectControl, {
label,
options,
onChange,
value: selectedId,
...restProps
})
});
}
export default TreeSelect;
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