import * as React from "react";
import { ConfigConsumerProps } from "../Config";
export interface CascaderOption {
    value?: string;
    label?: React.ReactNode;
    disabled?: boolean;
    isLeaf?: boolean;
    loading?: boolean;
    children?: CascaderOption[];
    [key: string]: any;
}
export interface FieldNamesType {
    value?: string;
    label?: string;
    children?: string;
}
export interface FilledFieldNamesType {
    value: string;
    label: string;
    children: string;
}
export interface ShowSearchType {
    filter?: (inputValue: string, path: CascaderOption[], names: FilledFieldNamesType) => boolean;
    render?: (inputValue: string, path: CascaderOption[], prefixCls: string | undefined, names: FilledFieldNamesType) => React.ReactNode;
    sort?: (a: CascaderOption[], b: CascaderOption[], inputValue: string, names: FilledFieldNamesType) => number;
    matchInputWidth?: boolean;
    limit?: number | false;
}
export interface ICascaderProps {
    /**
     * 输入框占位文本
     *
     * @default '请选择'
     **/
    placeholder?: string;
    /**
     * 自定义组件类名
     *
     * @default ''
     **/
    className?: string;
    /**
     * 次级菜单的展开方式，可选 'click' 和 'hover'
     *
     * @default 'click'
     **/
    trigger?: "hover" | "click";
    /**
     * 输入框大小，可选 default small
     *
     * @default 'default'
     **/
    size?: "default" | "small";
    /**
     * 自定义 cascaderData 中 label name children 的字段
     *
     * @default '{ label: "label", value: "value", children: "children" }'
     **/
    fieldNames?: FieldNamesType;
    /**
     * 输入框 显示内容
     *
     * @default '(value: string[]) => value.join(" / ")'
     **/
    displayRender?: (value: any, Data: any) => React.ReactNode;
    /**
     * 默认显示内容
     *
     * @default []
     **/
    defaultValue?: string[];
    /**
     * 选择完成后的回调
     *
     * @default '(value,node, selectedOptions) => React.ReactNode'
     **/
    onChange?: (value: string[], selectOptions: CascaderOption[]) => void;
    /**
     * 数据源
     **/
    cascaderData: CascaderOption[];
    /**
     * 默认前缀
     *
     * @default 'lg'
     **/
    prefixCls?: string;
    /**
     * 自定义样式
     *
     * @default
     **/
    style?: React.CSSProperties;
    /**
     *  显示文案是 “value” | "lable"
     *
     * @default "label"
     **/
    showText?: string;
    /**
     * 过滤条件
     *
     * @default
     **/
    showSearch?: ShowSearchType | boolean;
    /**
     * 当下拉列表为空时显示的内容
     *
     * @default 暂无数据
     **/
    notFoundContent?: React.ReactNode;
    /**
     * 用于动态加载选项，无法与 showSearch 一起使用
     *
     * @default
     **/
    loadData?: (selectOptions: CascaderOption[]) => void;
    /**
     * 点选每级菜单时显示会发生变化
     *
     * @default
     **/
    changeOnSelect?: boolean;
}
interface IState {
    inputValue: string;
    wrapFocus: boolean;
    searchInput: string;
    showPopper: boolean;
    activeValue: string[];
    activeOptions: CascaderOption[];
    flattenOptions: CascaderOption[][] | undefined;
}
export default class Cascader extends React.PureComponent<ICascaderProps, IState> {
    private container;
    private wrapper;
    private prefixCls;
    private inputRef;
    static defaultProps: {
        placeholder: string;
        className: string;
        trigger: string;
        size: string;
        fieldNames: {
            label: string;
            value: string;
            children: string;
        };
        defaultValue: never[];
        showText: string;
        notFoundContent: string;
        changeOnSelect: boolean;
    };
    constructor(props: ICascaderProps);
    componentWillReceiveProps(nextprops: any): void;
    componentDidMount(): void;
    componentWillUnmount(): void;
    handleClickOutside: (e: any) => void;
    handleEvent: () => void;
    blurEvent: () => void;
    focusEvent: () => void;
    getFieldName: (name: any) => any;
    handleInput: (e: any) => void;
    getFilteredOptions: () => CascaderOption[] | null;
    handleChange: (options: CascaderOption[]) => void;
    getValue: (value: any, activeOptions: any) => string;
    itemEvent: (targetOption: CascaderOption, isLeaf: any, menuIndex: number, e: any) => void;
    getActiveOptions: (values?: string[] | undefined) => CascaderOption[];
    getShowOptions: () => CascaderOption[][];
    getOption: (item: CascaderOption, menuIndex: number) => JSX.Element;
    renderList: () => JSX.Element;
    searchItemEvent: (targetOption: any) => void;
    renderSearchList: (filteredOptions: any) => JSX.Element;
    renderCascader: ({ getPrefixCls }: ConfigConsumerProps) => JSX.Element;
    render(): JSX.Element;
}
export {};