Files
standardnotes-app-web/app/assets/javascripts/components/Dropdown.tsx
2021-10-04 20:22:19 +05:30

120 lines
2.9 KiB
TypeScript

import {
ListboxArrow,
ListboxButton,
ListboxInput,
ListboxList,
ListboxOption,
ListboxPopover,
} from '@reach/listbox';
import VisuallyHidden from '@reach/visually-hidden';
import { FunctionComponent } from 'preact';
import { IconType, Icon } from './Icon';
import { useState } from 'preact/hooks';
export type DropdownItem = {
icon?: IconType;
label: string;
value: string;
};
type DropdownProps = {
id: string;
label: string;
items: DropdownItem[];
defaultValue: string;
onChange: (value: string) => void;
};
type ListboxButtonProps = {
icon?: IconType;
value: string | null;
label: string;
isExpanded: boolean;
};
const CustomDropdownButton: FunctionComponent<ListboxButtonProps> = ({
label,
isExpanded,
icon,
}) => (
<>
<div className="sn-dropdown-button-label">
{icon ? (
<div className="flex mr-2">
<Icon type={icon} className="sn-icon--small" />
</div>
) : null}
<div className="dropdown-selected-label">{label}</div>
</div>
<ListboxArrow
className={`sn-dropdown-arrow ${
isExpanded ? 'sn-dropdown-arrow-flipped' : ''
}`}
>
<Icon type="menu-arrow-down" className="sn-icon--small color-grey-1" />
</ListboxArrow>
</>
);
export const Dropdown: FunctionComponent<DropdownProps> = ({
id,
label,
items,
defaultValue,
onChange,
}) => {
const [value, setValue] = useState(defaultValue);
const labelId = `${id}-label`;
const handleChange = (value: string) => {
setValue(value);
onChange(value);
};
return (
<>
<VisuallyHidden id={labelId}>{label}</VisuallyHidden>
<ListboxInput
value={value}
onChange={handleChange}
aria-labelledby={labelId}
>
<ListboxButton
className="sn-dropdown-button"
children={({ value, label, isExpanded }) => {
const current = items.find((item) => item.value === value);
const icon = current ? current?.icon : null;
return CustomDropdownButton({
value,
label,
isExpanded,
...(icon ? { icon } : null),
});
}}
/>
<ListboxPopover className="sn-dropdown sn-dropdown-popover">
<div className="sn-component">
<ListboxList>
{items.map((item) => (
<ListboxOption
className="sn-dropdown-item"
value={item.value}
label={item.label}
>
{item.icon ? (
<div className="flex mr-3">
<Icon type={item.icon} className="sn-icon--small" />
</div>
) : null}
<div className="text-input">{item.label}</div>
</ListboxOption>
))}
</ListboxList>
</div>
</ListboxPopover>
</ListboxInput>
</>
);
};