preact-arco-design/es/Menu/sub-menu/inline.js

Arco Design React UI Library.

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import React, { useContext, useMemo } from "preact/compat";
import { CSSTransition } from "preact-transition-group-4";
import cs from "../../_util/classNames";
import useStateWithPromise from "../../_util/hooks/useStateWithPromise";
import IconDown from "../../../icon/react-icon/IconDown";
import { processChildren, isChildrenSelected, PROPS_NEED_TO_BE_PASSED_IN_SUBMENU } from "../util";
import MenuContext from "../context";
import MenuIndent from "../indent";
import pick from "../../_util/pick";
import { Enter } from "../../_util/keycode";
var globalInlineSubMenuIndex = 0; // Use visibility: hidden to avoid Menu.Item get focused by Tab key

var CONTENT_HIDDEN_STYLE = {
  height: 0,
  visibility: 'hidden'
};

var SubMenuInline = function SubMenuInline(props) {
  var _a;

  var _key = props._key,
      children = props.children,
      style = props.style,
      className = props.className,
      title = props.title,
      level = props.level,
      forwardedRef = props.forwardedRef,
      selectable = props.selectable,
      rest = __rest(props, ["_key", "children", "style", "className", "title", "level", "forwardedRef", "selectable"]);

  var _b = useContext(MenuContext),
      menuId = _b.id,
      prefixCls = _b.prefixCls,
      levelIndent = _b.levelIndent,
      _c = _b.openKeys,
      openKeys = _c === void 0 ? [] : _c,
      _d = _b.selectedKeys,
      selectedKeys = _d === void 0 ? [] : _d,
      icons = _b.icons,
      onClickSubMenu = _b.onClickSubMenu,
      onClickMenuItem = _b.onClickMenuItem;

  var baseClassName = "".concat(prefixCls, "-inline");
  var isOpen = (openKeys === null || openKeys === void 0 ? void 0 : openKeys.indexOf(_key)) > -1;
  var isSelected = selectable && selectedKeys.indexOf(props._key) > -1 || isChildrenSelected(children, selectedKeys);

  var _e = __read(useStateWithPromise(isOpen ? {
    height: 'auto'
  } : CONTENT_HIDDEN_STYLE), 2),
      contentStyle = _e[0],
      setContentStyle = _e[1];

  var subMenuClickHandler = function subMenuClickHandler(event) {
    onClickSubMenu(_key, level, 'inline');
    selectable && onClickMenuItem(_key, event);
  }; // Unique ID of this instance


  var instanceId = useMemo(function () {
    var id = "".concat(menuId, "-submenu-inline-").concat(globalInlineSubMenuIndex);
    globalInlineSubMenuIndex++;
    return id;
  }, []); // Should omit these properties in Menu.Item

  var childrenList = processChildren(children, __assign(__assign({}, pick(rest, PROPS_NEED_TO_BE_PASSED_IN_SUBMENU)), {
    level: level + 1,
    selectable: selectable
  }));
  var header = React.createElement("div", {
    tabIndex: 0,
    "aria-expanded": isOpen,
    "aria-controls": instanceId,
    className: cs("".concat(baseClassName, "-header"), (_a = {}, _a["".concat(prefixCls, "-selected")] = isSelected, _a)),
    onClick: subMenuClickHandler,
    onKeyDown: function onKeyDown(event) {
      var keyCode = event.keyCode || event.which;

      if (keyCode === Enter.code) {
        subMenuClickHandler(event);
      }
    }
  }, React.createElement(MenuIndent, {
    level: level,
    prefixCls: prefixCls,
    levelIndent: levelIndent
  }), React.createElement("span", null, title), React.createElement("span", {
    className: "".concat(prefixCls, "-icon-suffix ").concat(isOpen ? 'is-open' : '')
  }, icons && icons.horizontalArrowDown ? icons.horizontalArrowDown : React.createElement(IconDown, null)));
  var content = React.createElement("div", {
    id: instanceId,
    className: cs("".concat(baseClassName, "-content")),
    style: contentStyle
  }, childrenList);
  return React.createElement("div", {
    ref: forwardedRef,
    className: cs(baseClassName, className),
    style: style
  }, header, React.createElement(CSSTransition, {
    in: isOpen,
    timeout: 200,
    classNames: baseClassName,
    unmountOnExit: false,
    onEnter: function onEnter(element) {
      return __awaiter(void 0, void 0, void 0, function () {
        return __generator(this, function (_a) {
          switch (_a.label) {
            case 0:
              return [4
              /*yield*/
              , setContentStyle(CONTENT_HIDDEN_STYLE)];

            case 1:
              _a.sent();

              return [4
              /*yield*/
              , setContentStyle({
                height: element.scrollHeight
              })];

            case 2:
              _a.sent();

              return [2
              /*return*/
              ];
          }
        });
      });
    },
    onEntered: function onEntered() {
      setContentStyle({
        height: 'auto'
      });
    },
    onExit: function onExit(element) {
      return __awaiter(void 0, void 0, void 0, function () {
        return __generator(this, function (_a) {
          switch (_a.label) {
            case 0:
              return [4
              /*yield*/
              , setContentStyle({
                height: element.scrollHeight
              })];

            case 1:
              _a.sent();

              return [4
              /*yield*/
              , setContentStyle(CONTENT_HIDDEN_STYLE)];

            case 2:
              _a.sent();

              return [2
              /*return*/
              ];
          }
        });
      });
    }
  }, content));
};

export default SubMenuInline;