/**
 * @license
 * Copyright 厦门乾元盛世科技有限公司 All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file.
 */
import { EventEmitter, ElementRef, Renderer } from '@angular/core';
import { OnInit, OnDestroy, OnChanges, SimpleChanges } from '@angular/core';
import { MenuItem } from './menu.item';
import { SubMenu } from './submenu';
export interface SelectParam {
    key: string;
    keyPath: string[];
    item: MenuItem | SubMenu;
    domEvent: Event;
    selectedKeys?: string[];
}
export interface ClickParam {
    key: string;
    keyPath: string[];
    item: MenuItem | SubMenu;
    domEvent: Event;
}
export interface OpenParam {
    key: string;
    item: MenuItem | SubMenu;
    trigger?: string;
    open?: boolean;
    originalEvent?: Event;
}
export interface HoverParam {
    key: string;
    item: MenuItem | SubMenu;
    hover?: boolean;
    domEvent: Event;
    trigger: string;
    openChanges?: OpenParam[];
}
export interface OpenChangeParam {
    openKeys: string[];
    menu: Menu;
}
/**
 * Menu导航菜单
 * 参考: https://github.com/react-component/menu
 */
export declare class Menu implements OnInit, OnDestroy, OnChanges {
    private renderer;
    private elementRef;
    /** 样式前缀 */
    prefixCls: string;
    /**
     * 菜单类型，现在支持垂直、水平、和内嵌模式三种: `vertical` `horizontal` `inline`。默认为 `vertical`。
     */
    mode?: 'vertical' | 'horizontal' | 'inline';
    /** 主题颜色，可选项为`light` `dark`，默认为`light`。 */
    theme: string;
    /** 展开/关闭菜单时的动画效果 (目前未实现) */
    openAnimation?: string | Object;
    openTransitionName?: string | Object;
    /**
     * 当前选中的菜单项 key 数组
     */
    selectedKeys?: Array<string>;
    /**
     * 当前展开的 SubMenu 菜单项 key 数组
     */
    openKeys?: Array<string>;
    /** 用户CSS样式 */
    class: string;
    /**
     * 当前被激活的菜单
     */
    activeKey: string;
    defaultActiveFirst: boolean;
    openSubMenuOnMouseEnter: boolean;
    closeSubMenuOnMouseLeave: boolean;
    visible: boolean;
    selectable: boolean;
    focusable: boolean;
    /**
     * 是否允许多选，默认为false
     */
    multiple?: boolean;
    /**
     * 模式的菜单缩进宽度，默认为24px
     */
    inlineIndent: number;
    /**
     * SubMenu 展开/关闭的事件，参数为：({openKeys: string[], menu: Menu})
     */
    openChange: EventEmitter<OpenChangeParam>;
    /**
     * menuItem 被选中时的事件，参数为：({ item, key, selectedKeys })
     */
    select: EventEmitter<SelectParam>;
    /**
     * menuItem 取消选中时的事件，仅在 multiple 生效，参数为：({ item, key, selectedKeys })
     */
    deselect: EventEmitter<SelectParam>;
    /**
     * menuItem 被点击时的事件，参数为：({ item, key, keyPath, domEvent })
     */
    menuClick: EventEmitter<ClickParam>;
    /**
     * menuItem 事件，参数为：({ item, key })
     */
    menuEnter: EventEmitter<HoverParam>;
    /**
     * menuItem 事件，参数为：({ item, key })
     */
    menuLeave: EventEmitter<HoverParam>;
    role: string;
    activedescendant: string;
    level: number;
    protected instanceArray: Array<MenuItem>;
    private switchModeFromInline;
    constructor(renderer: Renderer, elementRef: ElementRef);
    /**
     * 属性：tabIndex
     */
    readonly tabIndex: number;
    /**
     * 菜单样式
     */
    readonly classes: string;
    onKeyDown(event: KeyboardEvent): void;
    /**
     * The underlying host native element
     */
    getHostElement(): HTMLElement;
    ngOnInit(): void;
    ngOnDestroy(): void;
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * 当要销毁子菜单/子菜单项时
     *
     * @param key 菜单项的Key
     */
    onDestroy(key: string): void;
    onClick(info: ClickParam): void;
    onMouseEnter(info: HoverParam): void;
    onMouseLeave(info: HoverParam): void;
    onItemHover(e: HoverParam): void;
    onOpenChange(e_: OpenParam | OpenParam[]): void;
    onSelect(selectInfo: SelectParam): void;
    onDeselect(selectInfo: SelectParam): void;
    getOpenAnimationName(): string | Object;
    isInlineMode(): boolean;
    lastOpenSubMenu(): MenuItem;
    step(direction: number): MenuItem;
    getOpenChangesOnItemHover(e: HoverParam): OpenParam | OpenParam[];
    registerItem(item: MenuItem): void;
    getGUID(prefix: string): string;
}