function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _extends() { _extends = Object.assign || 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 _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

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

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 _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(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 _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 *
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import React, { Component, createContext } from 'react';
import PropTypes from "prop-types";
import classNames from 'classnames';
import { OuiI18n } from '../i18n';
import { OuiIcon } from '../icon';
import { OuiScreenReaderOnly } from '../accessibility';
import { OuiText } from '../text';
import { keys, htmlIdGenerator } from '../../services';
import { OuiInnerText } from '../inner_text';
var OuiTreeViewContext = /*#__PURE__*/createContext('');

function hasAriaLabel(x) {
  return x.hasOwnProperty('aria-label');
}

function getTreeId(propId, contextId, idGenerator) {
  return propId !== null && propId !== void 0 ? propId : contextId === '' ? idGenerator() : contextId;
}

var displayToClassNameMap = {
  default: null,
  compressed: 'ouiTreeView--compressed'
};
export var OuiTreeView = /*#__PURE__*/function (_Component) {
  _inherits(OuiTreeView, _Component);

  var _super = _createSuper(OuiTreeView);

  function OuiTreeView() {
    var _this;

    _classCallCheck(this, OuiTreeView);

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _super.call.apply(_super, [this].concat(args));

    _defineProperty(_assertThisInitialized(_this), "treeIdGenerator", htmlIdGenerator('ouiTreeView'));

    _defineProperty(_assertThisInitialized(_this), "isNested", !!_this.context);

    _defineProperty(_assertThisInitialized(_this), "state", {
      openItems: _this.props.expandByDefault ? _this.props.items.map(function (_ref) {
        var id = _ref.id,
            children = _ref.children;
        return children ? id : null;
      }).filter(function (x) {
        return x != null;
      }) : _this.props.items.map(function (_ref2) {
        var id = _ref2.id,
            children = _ref2.children,
            isExpanded = _ref2.isExpanded;
        return children && isExpanded ? id : null;
      }).filter(function (x) {
        return x != null;
      }),
      activeItem: '',
      treeID: getTreeId(_this.props.id, _this.context, _this.treeIdGenerator),
      expandChildNodes: _this.props.expandByDefault || false
    });

    _defineProperty(_assertThisInitialized(_this), "buttonRef", []);

    _defineProperty(_assertThisInitialized(_this), "setButtonRef", function (ref, index) {
      _this.buttonRef[index] = ref;
    });

    _defineProperty(_assertThisInitialized(_this), "handleNodeClick", function (node) {
      var ignoreCallback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

      var index = _this.state.openItems.indexOf(node.id);

      _this.setState({
        expandChildNodes: false
      });

      node.isExpanded = !node.isExpanded;

      if (!ignoreCallback && node.callback !== undefined) {
        node.callback();
      }

      if (_this.isNodeOpen(node)) {
        // if the node is part of openItems[] then remove it
        _this.setState({
          openItems: _this.state.openItems.filter(function (_, i) {
            return i !== index;
          })
        });
      } else {
        // if the node isn't part of openItems[] then add it
        _this.setState(function (prevState) {
          return {
            openItems: [].concat(_toConsumableArray(prevState.openItems), [node.id]),
            activeItem: node.id
          };
        });
      }
    });

    _defineProperty(_assertThisInitialized(_this), "isNodeOpen", function (node) {
      return _this.state.openItems.includes(node.id);
    });

    _defineProperty(_assertThisInitialized(_this), "onKeyDown", function (event, node) {
      switch (event.key) {
        case keys.ARROW_DOWN:
          {
            var nodeButtons = Array.from(document.querySelectorAll("[data-test-subj=\"ouiTreeViewButton-".concat(_this.state.treeID, "\"]")));
            var currentIndex = nodeButtons.indexOf(event.currentTarget);

            if (currentIndex > -1) {
              var nextButton = nodeButtons[currentIndex + 1];

              if (nextButton) {
                event.preventDefault();
                event.stopPropagation();
                nextButton.focus();
              }
            }

            break;
          }

        case keys.ARROW_UP:
          {
            var _nodeButtons = Array.from(document.querySelectorAll("[data-test-subj=\"ouiTreeViewButton-".concat(_this.state.treeID, "\"]")));

            var _currentIndex = _nodeButtons.indexOf(event.currentTarget);

            if (_currentIndex > -1) {
              var prevButton = _nodeButtons[_currentIndex + -1];

              if (prevButton) {
                event.preventDefault();
                event.stopPropagation();
                prevButton.focus();
              }
            }

            break;
          }

        case keys.ARROW_RIGHT:
          {
            if (!_this.isNodeOpen(node)) {
              event.preventDefault();
              event.stopPropagation();

              _this.handleNodeClick(node, true);
            }

            break;
          }

        case keys.ARROW_LEFT:
          {
            if (_this.isNodeOpen(node)) {
              event.preventDefault();
              event.stopPropagation();

              _this.handleNodeClick(node, true);
            }
          }

        default:
          break;
      }
    });

    _defineProperty(_assertThisInitialized(_this), "onChildrenKeydown", function (event, index) {
      if (event.key === keys.ARROW_LEFT) {
        event.preventDefault();
        event.stopPropagation();

        _this.buttonRef[index].focus();
      }
    });

    return _this;
  }

  _createClass(OuiTreeView, [{
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps) {
      if (this.props.id !== prevProps.id) {
        // eslint-disable-next-line react/no-did-update-set-state
        this.setState({
          treeID: getTreeId(this.props.id, this.context, this.treeIdGenerator)
        });
      }
    }
  }, {
    key: "render",
    value: function render() {
      var _this2 = this;

      var _this$props = this.props,
          children = _this$props.children,
          className = _this$props.className,
          items = _this$props.items,
          _this$props$display = _this$props.display,
          display = _this$props$display === void 0 ? 'default' : _this$props$display,
          expandByDefault = _this$props.expandByDefault,
          showExpansionArrows = _this$props.showExpansionArrows,
          rest = _objectWithoutProperties(_this$props, ["children", "className", "items", "display", "expandByDefault", "showExpansionArrows"]); // Computed classNames


      var classes = classNames('ouiTreeView', display ? displayToClassNameMap[display] : null, {
        'ouiTreeView--withArrows': showExpansionArrows
      }, className);
      var instructionsId = "".concat(this.state.treeID, "--instruction");
      return /*#__PURE__*/React.createElement(OuiTreeViewContext.Provider, {
        value: this.state.treeID
      }, /*#__PURE__*/React.createElement(OuiText, {
        size: display === 'compressed' ? 's' : 'm',
        className: "ouiTreeView__wrapper"
      }, !this.isNested && /*#__PURE__*/React.createElement(OuiI18n, {
        token: "ouiTreeView.listNavigationInstructions",
        default: "You can quickly navigate this list using arrow keys."
      }, function (listNavigationInstructions) {
        return /*#__PURE__*/React.createElement(OuiScreenReaderOnly, null, /*#__PURE__*/React.createElement("p", {
          id: instructionsId
        }, listNavigationInstructions));
      }), /*#__PURE__*/React.createElement("ul", _extends({
        className: classes,
        id: !this.isNested ? this.state.treeID : undefined,
        "aria-describedby": !this.isNested ? instructionsId : undefined
      }, rest), items.map(function (node, index) {
        var buttonId = node.id;

        var wrappingId = _this2.treeIdGenerator(buttonId);

        return /*#__PURE__*/React.createElement(OuiInnerText, {
          key: node.id + index,
          fallback: typeof node.label === 'string' ? node.label : ''
        }, function (ref, innerText) {
          return /*#__PURE__*/React.createElement(OuiI18n, {
            key: node.id + index,
            token: "ouiTreeView.ariaLabel",
            default: "{nodeLabel} child of {ariaLabel}",
            values: {
              nodeLabel: innerText,
              ariaLabel: hasAriaLabel(rest) ? rest['aria-label'] : ''
            }
          }, function (ariaLabel) {
            var label = hasAriaLabel(rest) ? {
              'aria-label': ariaLabel
            } : {
              'aria-labelledby': "".concat(buttonId, " ").concat(rest['aria-labelledby'])
            };
            var nodeClasses = classNames('ouiTreeView__node', display ? displayToClassNameMap[display] : null, {
              'ouiTreeView__node--expanded': _this2.isNodeOpen(node)
            });
            var nodeButtonClasses = classNames('ouiTreeView__nodeInner', showExpansionArrows && node.children ? 'ouiTreeView__nodeInner--withArrows' : null, _this2.state.activeItem === node.id ? 'ouiTreeView__node--active' : null, node.className ? node.className : null);
            return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("li", {
              className: nodeClasses
            }, /*#__PURE__*/React.createElement("button", {
              id: buttonId,
              "aria-controls": wrappingId,
              "aria-expanded": _this2.isNodeOpen(node),
              ref: function ref(_ref3) {
                return _this2.setButtonRef(_ref3, index);
              },
              "data-test-subj": "ouiTreeViewButton-".concat(_this2.state.treeID),
              onKeyDown: function onKeyDown(event) {
                return _this2.onKeyDown(event, node);
              },
              onClick: function onClick() {
                return _this2.handleNodeClick(node);
              },
              className: nodeButtonClasses
            }, showExpansionArrows && node.children ? /*#__PURE__*/React.createElement(OuiIcon, {
              className: "ouiTreeView__expansionArrow",
              size: display === 'compressed' ? 's' : 'm',
              type: _this2.isNodeOpen(node) ? 'arrowDown' : 'arrowRight'
            }) : null, node.icon && !node.useEmptyIcon ? /*#__PURE__*/React.createElement("span", {
              className: "ouiTreeView__iconWrapper"
            }, _this2.isNodeOpen(node) && node.iconWhenExpanded ? node.iconWhenExpanded : node.icon) : null, node.useEmptyIcon && !node.icon ? /*#__PURE__*/React.createElement("span", {
              className: "ouiTreeView__iconPlaceholder"
            }) : null, /*#__PURE__*/React.createElement("span", {
              ref: ref,
              className: "ouiTreeView__nodeLabel"
            }, node.label)), /*#__PURE__*/React.createElement("div", {
              id: wrappingId,
              onKeyDown: function onKeyDown(event) {
                return _this2.onChildrenKeydown(event, index);
              }
            }, node.children && _this2.isNodeOpen(node) ? /*#__PURE__*/React.createElement(OuiTreeView, _extends({
              items: node.children,
              display: display,
              showExpansionArrows: showExpansionArrows,
              expandByDefault: _this2.state.expandChildNodes
            }, label)) : null)));
          });
        });
      }))));
    }
  }]);

  return OuiTreeView;
}(Component);
/* OUI -> EUI Aliases: Build-Time */

_defineProperty(OuiTreeView, "contextType", OuiTreeViewContext);

OuiTreeView.propTypes = {
  className: PropTypes.string,
  "data-test-subj": PropTypes.string,

  /** An array of OuiTreeViewNodes
       */
  items: PropTypes.arrayOf(PropTypes.shape({
    /** An array of OuiTreeViewNodes to render as children
       */
    children: PropTypes.arrayOf(PropTypes.any.isRequired),

    /** The readable label for the item
       */
    label: PropTypes.node.isRequired,

    /** A unique ID
       */
    id: PropTypes.string.isRequired,

    /** An icon to use on the left of the label
       */
    icon: PropTypes.element,

    /** Display a different icon when the item is expanded.
      For instance, an open folder or a down arrow
      */
    iconWhenExpanded: PropTypes.element,

    /** Use an empty icon to keep items without an icon
      lined up with their siblings
      */
    useEmptyIcon: PropTypes.bool,

    /** Whether or not the item is expanded.
       */
    isExpanded: PropTypes.bool,

    /** Optional class to throw on the node
       */
    className: PropTypes.string,

    /** Function to call when the item is clicked.
       The open state of the item will always be toggled.
       */
    callback: PropTypes.func
  }).isRequired).isRequired,

  /** Optionally use a variation with smaller text and icon sizes
       */
  display: PropTypes.oneOf(["default", "compressed"]),

  /** Set all items to open on initial load
       */
  expandByDefault: PropTypes.bool,

  /** Display expansion arrows next to all items
       * that contain children
       */
  showExpansionArrows: PropTypes.bool,
  "aria-label": PropTypes.string,
  "aria-labelledby": PropTypes.string
};

/* OUI -> EUI Aliases: Build-Time */
export { EuiTreeView } from '../../eui_components/tree_view/tree_view';