All files / src/menu Menu.tsx

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import React, { useState } from "react";
import classNames from "classnames";
import { StyledProps } from "../_type";
import { Icon } from "../icon";
import { MenuGroup } from "./MenuGroup";
import { SubMenu } from "./SubMenu";
import { MenuItem } from "./MenuItem";
import { useDefault } from "../_util/use-default";
import { Tooltip } from "../tooltip";
import { withStatics } from "../_util/with-statics";
import { useConfig } from "../_util/config-context";
 
export interface MenuBackOptions {
  /**
   * 返回区域标题
   */
  title?: React.ReactNode;
 
  /**
   * 返回区域描述
   */
  description?: React.ReactNode;
 
  /**
   * 为该区域文字添加 Tooltip 说明
   */
  tooltip?: React.ReactNode;
 
  /**
   * 返回按钮点击回调
   */
  onClick?: (event: React.MouseEvent) => void;
}
 
export interface MenuProps extends StyledProps {
  /**
   * 标题
   */
  title?: React.ReactNode;
 
  /**
   * 标题旁标签内容
   */
  tag?: React.ReactNode;
 
  /**
   * 导航折叠后标题处显示的图标 URL
   */
  icon?: [string, string] | string;
 
  /**
   * 顶部返回区域相关配置
   */
  back?: MenuBackOptions;
 
  /**
   * 主题样式
   *
   * @default "light"
   */
  theme?: "light" | "dark";
 
  /**
   * 导航内容(Menu.Group 或 Menu.SubMenu 或 Menu.Item)
   */
  children?: React.ReactNode;
 
  /**
   * 导航是否支持折叠(展示底部折叠/展示操作区)
   *
   * 如开启支持请为菜单项配置图标
   *
   * @default false
   */
  collapsable?: boolean;
 
  /**
   * 导航是否默认被折叠
   *
   * @default false
   */
  defaultCollapsed?: boolean;
 
  /**
   * 导航是否被折叠
   *
   * @default false
   */
  collapsed?: boolean;
 
  /**
   * 导航折叠变化时回调
   */
  onCollapsedChange?: (collapsed: boolean) => void;
}
 
export const Menu = withStatics(
  function Menu({
    theme,
    title,
    tag,
    icon,
    back,
    children,
    className,
    style,
    collapsable,
    defaultCollapsed = false,
    collapsed,
    onCollapsedChange,
  }: MenuProps) {
    const { classPrefix } = useConfig();
 
    // eslint-disable-next-line no-param-reassign
    [collapsed, onCollapsedChange] = useDefault(
      collapsed,
      defaultCollapsed,
      onCollapsedChange
    );
 
    const [hovered, setHovered] = useState<boolean>(false);
 
    Iif (Array.isArray(icon)) {
      // eslint-disable-next-line
      icon = icon[0];
    }
 
    const renderBack =
      typeof back === "object"
        ? () => {
            const { title, description, onClick = () => null, tooltip } = back;
            const titleList = (
              <div className={`${classPrefix}-menu__title-list`}>
                <div
                  className={classNames(`${classPrefix}-h2`, {
                    [`${classPrefix}-menu__title-main`]: !!description,
                  })}
                >
                  {title}
                </div>
                <div className={`${classPrefix}-menu__title-text`}>
                  {description}
                </div>
              </div>
            );
            return (
              <div className={`${classPrefix}-menu__title-back`}>
                <a className={`${classPrefix}-menu__back`} onClick={onClick}>
                  <Icon type="btnback" />
                </a>
                {tooltip ? (
                  <Tooltip title={tooltip}>{titleList}</Tooltip>
                ) : (
                  titleList
                )}
              </div>
            );
          }
        : () => null;
 
    return (
      <>
        <div
          className={classNames(`${classPrefix}-menu`, className, {
            [`${classPrefix}-menu--light`]: theme !== "dark",
            [`${classPrefix}-menu-is-locked`]: collapsed,
            [`${classPrefix}-menu-is-collapsed`]: collapsed && !hovered,
          })}
          style={style}
        >
          <div
            className={`${classPrefix}-menu__header`}
            onMouseEnter={() => collapsed && setHovered(true)}
            onMouseLeave={() => collapsed && setHovered(false)}
          >
            {!!title && (
              <div className={`${classPrefix}-menu__title`}>
                {!!icon && (
                  <img
                    className={`${classPrefix}-menu__title-icon`}
                    src={icon}
                    alt="icon"
                  />
                )}
                <h2 className={`${classPrefix}-h2`}>
                  {title}
                  {!!tag && (
                    <div className={`${classPrefix}-tag`}>
                      <span>{tag}</span>
                    </div>
                  )}
                </h2>
              </div>
            )}
            {renderBack()}
          </div>
          <div
            className={`${classPrefix}-menu__body`}
            onMouseEnter={() => collapsed && setHovered(true)}
            onMouseLeave={() => collapsed && setHovered(false)}
          >
            <ul className={`${classPrefix}-menu__list`}>{children}</ul>
          </div>
          {!!collapsable && (
            <div className={`${classPrefix}-menu__footer`}>
              <div
                className={`${classPrefix}-menu__fold`}
                onClick={() => onCollapsedChange(!collapsed)}
              >
                <div className={`${classPrefix}-menu__fold-icon`}>
                  <Icon type="fold" />
                </div>
              </div>
            </div>
          )}
        </div>
      </>
    );
  },
  {
    Group: MenuGroup,
    SubMenu,
    Item: MenuItem,
  }
);