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100 lines
2.9 KiB
100 lines
2.9 KiB
import * as React from 'react';
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import RcDropdown from 'rc-dropdown';
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import classNames from 'classnames';
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import DropdownButton from './dropdown-button';
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import warning from '../_util/warning';
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import Icon from '../icon';
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export interface DropDownProps {
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trigger?: ('click' | 'hover' | 'contextMenu')[];
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overlay: React.ReactNode;
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onVisibleChange?: (visible?: boolean) => void;
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visible?: boolean;
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disabled?: boolean;
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align?: Object;
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getPopupContainer?: (triggerNode: Element) => HTMLElement;
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prefixCls?: string;
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className?: string;
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transitionName?: string;
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placement?: 'topLeft' | 'topCenter' | 'topRight' | 'bottomLeft' | 'bottomCenter' | 'bottomRight';
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forceRender?: boolean;
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}
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export default class Dropdown extends React.Component<DropDownProps, any> {
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static Button: typeof DropdownButton;
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static defaultProps = {
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prefixCls: 'ant-dropdown',
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mouseEnterDelay: 0.15,
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mouseLeaveDelay: 0.1,
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placement: 'bottomLeft',
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};
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getTransitionName() {
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const { placement = '', transitionName } = this.props;
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if (transitionName !== undefined) {
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return transitionName;
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}
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if (placement.indexOf('top') >= 0) {
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return 'slide-down';
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}
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return 'slide-up';
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}
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componentDidMount() {
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const { overlay } = this.props;
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if (overlay) {
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const overlayProps = (overlay as React.ReactElement<any>).props;
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warning(
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!overlayProps.mode || overlayProps.mode === 'vertical',
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`mode="${overlayProps.mode}" is not supported for Dropdown\'s Menu.`,
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);
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}
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}
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render() {
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const { children, prefixCls, overlay: overlayElements, trigger, disabled } = this.props;
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const child = React.Children.only(children);
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const overlay = React.Children.only(overlayElements);
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const dropdownTrigger = React.cloneElement(child, {
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className: classNames(child.props.className, `${prefixCls}-trigger`),
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disabled,
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});
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// menu cannot be selectable in dropdown defaultly
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// menu should be focusable in dropdown defaultly
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const { selectable = false, focusable = true } = overlay.props;
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const expandIcon = (
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<span className={`${prefixCls}-menu-submenu-arrow`}>
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<Icon type="right" className={`${prefixCls}-menu-submenu-arrow-icon`} />
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</span>
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);
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const fixedModeOverlay = typeof overlay.type === 'string'
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? overlay : React.cloneElement(overlay, {
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mode: 'vertical',
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selectable,
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focusable,
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expandIcon,
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});
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const triggerActions = disabled ? [] : trigger;
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let alignPoint;
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if (triggerActions && triggerActions.indexOf('contextMenu') !== -1) {
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alignPoint = true;
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}
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return (
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<RcDropdown
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alignPoint={alignPoint}
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{...this.props}
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transitionName={this.getTransitionName()}
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trigger={triggerActions}
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overlay={fixedModeOverlay}
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>
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{dropdownTrigger}
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</RcDropdown>
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);
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}
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}
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