import React from 'react';
import { AntTreeNode, AntTreeNodeDropEvent, AntTreeNodeMouseEvent, AntTreeNodeExpandedEvent } from 'asp-antd-compatible/lib/tree/Tree';
/**
 * 节点数据信息
 */
export declare type TreeNodeData = {
    key: string;
    title: string;
    dataRef: any;
    children: TreeNodeData[];
    isLeaf?: boolean;
    loaded?: boolean;
    extChildren?: TreeNodeData[];
};
declare type Props = {
    getPopupContainer?: () => HTMLElement;
    /**
     * 装载子节点数据
     * @param node 请求的数据，如果是第一次加载则数据为undefined
     * @returns 必须返回统一的 TreeNodeData 结构
     */
    loadData: (node: TreeNodeData | undefined) => Promise<TreeNodeData[]>;
    /**
     * 节点前添加 Checkbox 复选框
     */
    checkable?: boolean;
    /**
     * 选中的key,表示当前Tree中设置选中状态
     */
    checkedKeys?: string[];
    /**
     * 右键菜单的信息列表
     */
    contextMenu?: JSX.Element[];
    /**
     * 是否独占一行
     */
    blockNode?: boolean;
    /**
     * 是否是目录树
     */
    isDirectoryTree?: boolean;
    /**
     * 渲染节点title的时候触发的事件，返回一个新的title对象
     * @param data 当前树状节点的数据
     * @param render 当前渲染的节点数据
     */
    onRenderTreeNodeTitle?: (data: TreeNodeData) => string | React.ReactNode;
    /**
     * 点击树节点触发的事件
     * @param data 当前节点的数据信息
     * @param selected 当前节点是否选中，true表示选中，false表示不选中
     */
    onTreeNodeClick?: (data: TreeNodeData, selected: boolean) => void;
    /**
     * 双击树节点触发的事件
     */
    onTreeNodeDoubleClick?: (data: TreeNodeData) => void;
    /**
     * 点击右键菜单
     * - node.props.dataRef 可获取绑定的数据
     */
    onClickContextMenu?: (key: string | number, node?: AntTreeNode) => void;
    onRightClick?: (options: AntTreeNodeMouseEvent) => boolean;
    /**
     * 拖动Tree的节点触发的事件
     * @param  源数据
     * @param  目标数据
     */
    onDrag?: (dropEven: AntTreeNodeDropEvent) => Promise<boolean>;
    onExpand?: (expandedKeys: string[], info: AntTreeNodeExpandedEvent) => void | PromiseLike<void>;
};
declare type State = {
    treeData: TreeNodeData[];
    pageX: number;
    pageY: number;
    isShowMenu: boolean;
    node?: AntTreeNode;
    selectedKeys: string[];
    expandedKeys: string[];
    expandAll: boolean;
    threeKey: string;
};
/**
 * 树形组件
 */
export declare class Tree extends React.Component<Props, State> {
    static defaultProps: {
        checkable: boolean;
        checkedKeys: never[];
        onRightClick: () => Promise<boolean>;
        isDirectoryTree: boolean;
    };
    state: {
        treeData: never[];
        pageX: number;
        pageY: number;
        isShowMenu: boolean;
        node: undefined;
        selectedKeys: never[];
        expandedKeys: never[];
        expandAll: boolean;
        expandAllOk: boolean;
        threeKey: string;
    };
    private clickTreeNode;
    private oldTreeData;
    constructor(props: Props);
    componentDidMount(): void;
    expandAll(): void;
    updateNode(key: string, callback: (treeNode: TreeNodeData) => TreeNodeData): Promise<void>;
    filter(callback: (node: TreeNodeData) => boolean): void;
    setSelectedKeys(keys: string[]): void;
    setExpandedKeys(expandedKeys: string[]): void;
    appendNode(parent: string | null, nodes: TreeNodeData[]): Promise<void>;
    sort(parent: string | null, order: (children: TreeNodeData[]) => TreeNodeData[]): Promise<void>;
    insertNode(parent: string | null, nodes: TreeNodeData[], order: (node: TreeNodeData, children: TreeNodeData[]) => TreeNodeData[]): Promise<void>;
    refresh(keys: string | string[]): void;
    delNode(keys: string | string[]): Promise<void>;
    render(): JSX.Element;
    protected onLoadData(node: AntTreeNode): Promise<void>;
    protected renderTreeNodes: (treeData: TreeNodeData[]) => JSX.Element[];
}
export {};