primereact/tieredmenu/tieredmenu.js

PrimeReact is an open source UI library for React featuring a rich set of 80+ components, a theme designer, various theme alternatives such as Material, Bootstrap, Tailwind, premium templates and professional support. In addition, it integrates with Prime

this.primereact = this.primereact || {};
this.primereact.tieredmenu = (function (exports, React, PrimeReact, csstransition, hooks, overlayservice, portal, utils, ripple) {
  'use strict';

  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

  function _interopNamespace(e) {
    if (e && e.__esModule) return e;
    var n = Object.create(null);
    if (e) {
      Object.keys(e).forEach(function (k) {
        if (k !== 'default') {
          var d = Object.getOwnPropertyDescriptor(e, k);
          Object.defineProperty(n, k, d.get ? d : {
            enumerable: true,
            get: function () { return e[k]; }
          });
        }
      });
    }
    n["default"] = e;
    return Object.freeze(n);
  }

  var React__namespace = /*#__PURE__*/_interopNamespace(React);
  var PrimeReact__default = /*#__PURE__*/_interopDefaultLegacy(PrimeReact);

  function _extends() {
    _extends = Object.assign ? Object.assign.bind() : function (target) {
      for (var i = 1; i < arguments.length; i++) {
        var source = arguments[i];

        for (var key in source) {
          if (Object.prototype.hasOwnProperty.call(source, key)) {
            target[key] = source[key];
          }
        }
      }

      return target;
    };
    return _extends.apply(this, arguments);
  }

  function _arrayWithHoles(arr) {
    if (Array.isArray(arr)) return arr;
  }

  function _iterableToArrayLimit(arr, i) {
    var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"];

    if (_i == null) return;
    var _arr = [];
    var _n = true;
    var _d = false;

    var _s, _e;

    try {
      for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) {
        _arr.push(_s.value);

        if (i && _arr.length === i) break;
      }
    } catch (err) {
      _d = true;
      _e = err;
    } finally {
      try {
        if (!_n && _i["return"] != null) _i["return"]();
      } finally {
        if (_d) throw _e;
      }
    }

    return _arr;
  }

  function _arrayLikeToArray(arr, len) {
    if (len == null || len > arr.length) len = arr.length;

    for (var i = 0, arr2 = new Array(len); i < len; i++) {
      arr2[i] = arr[i];
    }

    return arr2;
  }

  function _unsupportedIterableToArray(o, minLen) {
    if (!o) return;
    if (typeof o === "string") return _arrayLikeToArray(o, minLen);
    var n = Object.prototype.toString.call(o).slice(8, -1);
    if (n === "Object" && o.constructor) n = o.constructor.name;
    if (n === "Map" || n === "Set") return Array.from(o);
    if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
  }

  function _nonIterableRest() {
    throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
  }

  function _slicedToArray(arr, i) {
    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();
  }

  var TieredMenuSub = /*#__PURE__*/React__namespace.memo(function (props) {
    var _React$useState = React__namespace.useState(null),
        _React$useState2 = _slicedToArray(_React$useState, 2),
        activeItemState = _React$useState2[0],
        setActiveItemState = _React$useState2[1];

    var elementRef = React__namespace.useRef(null);

    var _useEventListener = hooks.useEventListener({
      type: 'click',
      listener: function listener(event) {
        if (elementRef.current && !elementRef.current.contains(event.target)) {
          setActiveItemState(null);
        }
      }
    }),
        _useEventListener2 = _slicedToArray(_useEventListener, 1),
        bindDocumentClickListener = _useEventListener2[0];

    var position = function position() {
      if (elementRef.current) {
        var parentItem = elementRef.current.parentElement;
        var containerOffset = utils.DomHandler.getOffset(parentItem);
        var viewport = utils.DomHandler.getViewport();
        var sublistWidth = elementRef.current.offsetParent ? elementRef.current.offsetWidth : utils.DomHandler.getHiddenElementOuterWidth(elementRef.current);
        var itemOuterWidth = utils.DomHandler.getOuterWidth(parentItem.children[0]);

        if (parseInt(containerOffset.left, 10) + itemOuterWidth + sublistWidth > viewport.width - utils.DomHandler.calculateScrollbarWidth()) {
          utils.DomHandler.addClass(elementRef.current, 'p-submenu-list-flipped');
        }
      }
    };

    var onItemMouseEnter = function onItemMouseEnter(event, item) {
      if (item.disabled) {
        event.preventDefault();
        return;
      }

      if (props.root) {
        if (activeItemState || props.popup) {
          setActiveItemState(item);
        }
      } else {
        setActiveItemState(item);
      }
    };

    var onItemClick = function onItemClick(event, item) {
      if (item.disabled) {
        event.preventDefault();
        return;
      }

      if (!item.url) {
        event.preventDefault();
      }

      if (item.command) {
        item.command({
          originalEvent: event,
          item: item
        });
      }

      if (props.root) {
        if (item.items) {
          if (activeItemState && item === activeItemState) setActiveItemState(null);else setActiveItemState(item);
        }
      }

      if (!item.items) {
        onLeafClick();
      }
    };

    var onItemKeyDown = function onItemKeyDown(event, item) {
      var listItem = event.currentTarget.parentElement;

      switch (event.which) {
        //down
        case 40:
          var nextItem = findNextItem(listItem);
          nextItem && nextItem.children[0].focus();
          event.preventDefault();
          break;
        //up

        case 38:
          var prevItem = findPrevItem(listItem);
          prevItem && prevItem.children[0].focus();
          event.preventDefault();
          break;
        //right

        case 39:
          if (item.items) {
            setActiveItemState(item);
            setTimeout(function () {
              listItem.children[1].children[0].children[0].focus();
            }, 50);
          }

          event.preventDefault();
          break;
      }

      props.onKeyDown && props.onKeyDown(event, listItem);
    };

    var onChildItemKeyDown = function onChildItemKeyDown(event, childListItem) {
      //left
      if (event.which === 37) {
        setActiveItemState(null);
        childListItem.parentElement.previousElementSibling.focus();
      }
    };

    var findNextItem = function findNextItem(item) {
      var nextItem = item.nextElementSibling;
      return nextItem ? utils.DomHandler.hasClass(nextItem, 'p-disabled') || !utils.DomHandler.hasClass(nextItem, 'p-menuitem') ? findNextItem(nextItem) : nextItem : null;
    };

    var findPrevItem = function findPrevItem(item) {
      var prevItem = item.previousElementSibling;
      return prevItem ? utils.DomHandler.hasClass(prevItem, 'p-disabled') || !utils.DomHandler.hasClass(prevItem, 'p-menuitem') ? findPrevItem(prevItem) : prevItem : null;
    };

    var onLeafClick = function onLeafClick() {
      setActiveItemState(null);
      props.onLeafClick && props.onLeafClick();
    };

    hooks.useMountEffect(function () {
      bindDocumentClickListener();
    });
    hooks.useUpdateEffect(function () {
      if (!props.parentActive) {
        setActiveItemState(null);
      }

      if (!props.root && props.parentActive) {
        position();
      }
    }, [props.parentActive]);

    var createSeparator = function createSeparator(index) {
      var key = 'separator_' + index;
      return /*#__PURE__*/React__namespace.createElement("li", {
        key: key,
        className: "p-menu-separator",
        role: "separator"
      });
    };

    var createSubmenu = function createSubmenu(item) {
      if (item.items) {
        return /*#__PURE__*/React__namespace.createElement(TieredMenuSub, {
          menuProps: props.menuProps,
          model: item.items,
          onLeafClick: onLeafClick,
          popup: props.popup,
          onKeyDown: onChildItemKeyDown,
          parentActive: item === activeItemState
        });
      }

      return null;
    };

    var createMenuItem = function createMenuItem(item, index) {
      if (item.visible === false) {
        return null;
      }

      item.id;
          var _className = item.className,
          style = item.style,
          disabled = item.disabled,
          _icon = item.icon,
          _label = item.label,
          items = item.items,
          target = item.target,
          url = item.url,
          template = item.template;
      var key = _label + '_' + index;
      var active = activeItemState === item;
      var className = utils.classNames('p-menuitem', {
        'p-menuitem-active': active
      }, _className);
      var linkClassName = utils.classNames('p-menuitem-link', {
        'p-disabled': disabled
      });
      var iconClassName = utils.classNames('p-menuitem-icon', _icon);
      var submenuIconClassName = 'p-submenu-icon pi pi-angle-right';
      var icon = utils.IconUtils.getJSXIcon(_icon, {
        className: 'p-menuitem-icon'
      }, {
        props: props.menuProps
      });

      var label = _label && /*#__PURE__*/React__namespace.createElement("span", {
        className: "p-menuitem-text"
      }, _label);

      var submenuIcon = items && /*#__PURE__*/React__namespace.createElement("span", {
        className: submenuIconClassName
      });
      var submenu = createSubmenu(item);
      var content = /*#__PURE__*/React__namespace.createElement("a", {
        href: url || '#',
        className: linkClassName,
        target: target,
        role: "menuitem",
        "aria-haspopup": items != null,
        onClick: function onClick(event) {
          return onItemClick(event, item);
        },
        onKeyDown: function onKeyDown(event) {
          return onItemKeyDown(event, item);
        },
        "aria-disabled": disabled
      }, icon, label, submenuIcon, /*#__PURE__*/React__namespace.createElement(ripple.Ripple, null));

      if (template) {
        var defaultContentOptions = {
          onClick: function onClick(event) {
            return onItemClick(event, item);
          },
          onKeyDown: function onKeyDown(event) {
            return onItemKeyDown(event, item);
          },
          className: linkClassName,
          labelClassName: 'p-menuitem-text',
          iconClassName: iconClassName,
          submenuIconClassName: submenuIconClassName,
          element: content,
          props: props,
          active: active,
          disabled: disabled
        };
        content = utils.ObjectUtils.getJSXElement(template, item, defaultContentOptions);
      }

      return /*#__PURE__*/React__namespace.createElement("li", {
        key: key,
        id: item,
        className: className,
        style: style,
        onMouseEnter: function onMouseEnter(event) {
          return onItemMouseEnter(event, item);
        },
        role: "none"
      }, content, submenu);
    };

    var createItem = function createItem(item, index) {
      return item.separator ? createSeparator(index) : createMenuItem(item, index);
    };

    var createMenu = function createMenu() {
      return props.model ? props.model.map(createItem) : null;
    };

    var className = utils.classNames({
      'p-submenu-list': !props.root
    });
    var submenu = createMenu();
    return /*#__PURE__*/React__namespace.createElement("ul", {
      ref: elementRef,
      className: className,
      role: props.root ? 'menubar' : 'menu',
      "aria-orientation": "horizontal"
    }, submenu);
  });
  TieredMenuSub.displayName = 'TieredMenuSub';

  var TieredMenu = /*#__PURE__*/React__namespace.memo( /*#__PURE__*/React__namespace.forwardRef(function (props, ref) {
    var _React$useState = React__namespace.useState(!props.popup),
        _React$useState2 = _slicedToArray(_React$useState, 2),
        visibleState = _React$useState2[0],
        setVisibleState = _React$useState2[1];

    var menuRef = React__namespace.useRef(null);
    var targetRef = React__namespace.useRef(null);

    var _useOverlayListener = hooks.useOverlayListener({
      target: targetRef,
      overlay: menuRef,
      listener: function listener(event, _ref) {
        var valid = _ref.valid;
        valid && hide(event);
      },
      when: visibleState
    }),
        _useOverlayListener2 = _slicedToArray(_useOverlayListener, 2),
        bindOverlayListener = _useOverlayListener2[0],
        unbindOverlayListener = _useOverlayListener2[1];

    var onPanelClick = function onPanelClick(event) {
      if (props.popup) {
        overlayservice.OverlayService.emit('overlay-click', {
          originalEvent: event,
          target: targetRef.current
        });
      }
    };

    var toggle = function toggle(event) {
      if (props.popup) {
        visibleState ? hide(event) : show(event);
      }
    };

    var show = function show(event) {
      targetRef.current = event.currentTarget;
      setVisibleState(true);
      props.onShow && props.onShow(event);
    };

    var hide = function hide(event) {
      targetRef.current = event.currentTarget;
      setVisibleState(false);
      props.onHide && props.onHide(event);
    };

    var onEnter = function onEnter() {
      if (props.autoZIndex) {
        utils.ZIndexUtils.set('menu', menuRef.current, PrimeReact__default["default"].autoZIndex, props.baseZIndex || PrimeReact__default["default"].zIndex['menu']);
      }

      utils.DomHandler.absolutePosition(menuRef.current, targetRef.current);
    };

    var onEntered = function onEntered() {
      bindOverlayListener();
    };

    var onExit = function onExit() {
      targetRef.current = null;
      unbindOverlayListener();
    };

    var onExited = function onExited() {
      utils.ZIndexUtils.clear(menuRef.current);
    };

    hooks.useUnmountEffect(function () {
      utils.ZIndexUtils.clear(menuRef.current);
    });
    React__namespace.useImperativeHandle(ref, function () {
      return {
        props: props,
        toggle: toggle,
        show: show,
        hide: hide,
        getElement: function getElement() {
          return menuRef.current;
        }
      };
    });

    var createElement = function createElement() {
      var otherProps = utils.ObjectUtils.findDiffKeys(props, TieredMenu.defaultProps);
      var className = utils.classNames('p-tieredmenu p-component', {
        'p-tieredmenu-overlay': props.popup
      }, props.className);
      return /*#__PURE__*/React__namespace.createElement(csstransition.CSSTransition, {
        nodeRef: menuRef,
        classNames: "p-connected-overlay",
        "in": visibleState,
        timeout: {
          enter: 120,
          exit: 100
        },
        options: props.transitionOptions,
        unmountOnExit: true,
        onEnter: onEnter,
        onEntered: onEntered,
        onExit: onExit,
        onExited: onExited
      }, /*#__PURE__*/React__namespace.createElement("div", _extends({
        ref: menuRef,
        id: props.id,
        className: className,
        style: props.style
      }, otherProps, {
        onClick: onPanelClick
      }), /*#__PURE__*/React__namespace.createElement(TieredMenuSub, {
        menuProps: props,
        model: props.model,
        root: true,
        popup: props.popup
      })));
    };

    var element = createElement();
    return props.popup ? /*#__PURE__*/React__namespace.createElement(portal.Portal, {
      element: element,
      appendTo: props.appendTo
    }) : element;
  }));
  TieredMenu.displayName = 'TieredMenu';
  TieredMenu.defaultProps = {
    __TYPE: 'TieredMenu',
    id: null,
    model: null,
    popup: false,
    style: null,
    className: null,
    autoZIndex: true,
    baseZIndex: 0,
    appendTo: null,
    transitionOptions: null,
    onShow: null,
    onHide: null
  };

  exports.TieredMenu = TieredMenu;

  Object.defineProperty(exports, '__esModule', { value: true });

  return exports;

})({}, React, primereact.api, primereact.csstransition, primereact.hooks, primereact.overlayservice, primereact.portal, primereact.utils, primereact.ripple);