/**
 * @file stepper.tsx
 * @author lihuanji
 *
 * 步进器
 */
import React, { PureComponent } from 'react';
interface StepperProps {
    value?: number;
    step?: number;
    min?: number;
    max?: number | null;
    onFocus?: Function;
    onChange?: Function;
    onBlur?: Function;
    onButtonClick?: Function;
    disabled?: boolean;
}
interface StepperState {
    num: number;
    disableAddButton: boolean;
    disableCutButton: boolean;
}
declare class Stepper extends PureComponent<StepperProps, StepperState> {
    static defaultProps: {
        value: null;
        step: number;
        min: number;
        max: null;
        onFocus: () => void;
        onChange: () => void;
        onBlur: () => void;
        onButtonClick: () => void;
        disabled: boolean;
    };
    stepperRef: any;
    scroll: number;
    constructor(props: StepperProps);
    componentWillReceiveProps(nextProps: StepperProps): void;
    /**
     * 增加数量
     */
    add(e: React.MouseEvent<any>): void;
    /**
     * 删除数量
     */
    cut(e: React.MouseEvent<any>): void;
    /**
     * input变化
     *
     * @param {object} e 事件对象
     */
    handleChange(e: React.SyntheticEvent<any>): void;
    handleFocus(e: React.SyntheticEvent<any>): void;
    /**
     * input失去焦点
     *
     * @param {object} e 事件对象
     */
    handleBlur(e: React.SyntheticEvent<any>): void;
    render(): JSX.Element;
}
export default Stepper;