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// @flow
import * as React from "react";
import { Button, Dropdown } from "../";
import { Manager, Reference } from "react-popper";
import type { Props as ButtonProps } from "../Button/Button.react";
import type { Props as DropdownMenuProps } from "../Dropdown/DropdownMenu.react";
import type { ReferenceChildrenProps } from "react-popper";
type Props = ButtonProps & {
+value?: string,
+children?: React.Node,
+dropdownProps?: DropdownMenuProps,
};
type State = {
isOpen: boolean,
};
class ButtonDropdown extends React.Component<Props, State> {
state = { isOpen: false };
_handleButtonOnClick = (e: SyntheticMouseEvent<HTMLElement>) => {
e.preventDefault();
this.setState(s => ({ isOpen: !s.isOpen }));
};
render(): React.Node {
const { children, value, dropdownProps, ...buttonProps } = this.props;
const propsForDropdownMenu: DropdownMenuProps = dropdownProps
? Object.assign(dropdownProps, { show: this.state.isOpen })
: {
show: this.state.isOpen,
};
const dropdownMenu = React.createElement(
Dropdown.Menu,
propsForDropdownMenu,
children
);
return (
<Manager>
<Reference>
{({ ref }: ReferenceChildrenProps) => {
const propsForButton = Object.assign(
{
onClick: this._handleButtonOnClick,
rootRef: ref,
isDropdownToggle: true,
},
buttonProps
);
const button = React.createElement(Button, propsForButton, value);
return button;
}}
</Reference>
{dropdownMenu}
</Manager>
);
}
}
ButtonDropdown.displayName = "Button.Dropdown";
export default ButtonDropdown;
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