@elastic/eui
Version:
Elastic UI Component Library
347 lines (345 loc) • 19.5 kB
JavaScript
var _excluded = ["children", "className", "items", "display", "expandByDefault", "showExpansionArrows"];
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
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 _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" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) 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, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); 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 } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : 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; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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 { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
import React, { Component, createContext } from 'react';
import PropTypes from "prop-types";
import classNames from 'classnames';
import { EuiI18n } from '../i18n';
import { EuiIcon } from '../icon';
import { EuiScreenReaderOnly } from '../accessibility';
import { EuiText } from '../text';
import { keys, htmlIdGenerator } from '../../services';
import { EuiInnerText } from '../inner_text';
import { jsx as ___EmotionJSX } from "@emotion/react";
var EuiTreeViewContext = /*#__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: 'euiTreeView--compressed'
};
export var EuiTreeView = /*#__PURE__*/function (_Component) {
_inherits(EuiTreeView, _Component);
var _super = _createSuper(EuiTreeView);
function EuiTreeView() {
var _this;
_classCallCheck(this, EuiTreeView);
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('euiTreeView'));
_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
};
});
}
});
// check if the node is included in openItems[]
_defineProperty(_assertThisInitialized(_this), "isNodeOpen", function (node) {
return _this.state.openItems.includes(node.id);
});
// Enable keyboard navigation
_defineProperty(_assertThisInitialized(_this), "onKeyDown", function (event, node) {
switch (event.key) {
case keys.ARROW_DOWN:
{
var nodeButtons = Array.from(document.querySelectorAll("[data-test-subj=\"euiTreeViewButton-".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=\"euiTreeViewButton-".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(EuiTreeView, [{
key: "componentDidUpdate",
value: function componentDidUpdate(prevProps) {
if (this.props.id !== prevProps.id) {
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, _excluded);
// Computed classNames
var classes = classNames('euiTreeView', display ? displayToClassNameMap[display] : null, {
'euiTreeView--withArrows': showExpansionArrows
}, className);
var instructionsId = "".concat(this.state.treeID, "--instruction");
return ___EmotionJSX(EuiTreeViewContext.Provider, {
value: this.state.treeID
}, ___EmotionJSX(EuiText, {
size: display === 'compressed' ? 's' : 'm',
className: "euiTreeView__wrapper"
}, !this.isNested && ___EmotionJSX(EuiI18n, {
token: "euiTreeView.listNavigationInstructions",
default: "You can quickly navigate this list using arrow keys."
}, function (listNavigationInstructions) {
return ___EmotionJSX(EuiScreenReaderOnly, null, ___EmotionJSX("p", {
id: instructionsId
}, listNavigationInstructions));
}), ___EmotionJSX("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 ___EmotionJSX(EuiInnerText, {
key: node.id + index,
fallback: typeof node.label === 'string' ? node.label : ''
}, function (ref, innerText) {
return ___EmotionJSX(EuiI18n, {
key: node.id + index,
token: "euiTreeView.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('euiTreeView__node', display ? displayToClassNameMap[display] : null, {
'euiTreeView__node--expanded': _this2.isNodeOpen(node)
});
var nodeButtonClasses = classNames('euiTreeView__nodeInner', showExpansionArrows && node.children ? 'euiTreeView__nodeInner--withArrows' : null, _this2.state.activeItem === node.id ? 'euiTreeView__node--active' : null, node.className ? node.className : null);
return ___EmotionJSX(React.Fragment, null, ___EmotionJSX("li", {
className: nodeClasses
}, ___EmotionJSX("button", {
id: buttonId,
"aria-controls": wrappingId,
"aria-expanded": _this2.isNodeOpen(node),
ref: function ref(_ref3) {
return _this2.setButtonRef(_ref3, index);
},
"data-test-subj": "euiTreeViewButton-".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 ? ___EmotionJSX(EuiIcon, {
className: "euiTreeView__expansionArrow",
size: display === 'compressed' ? 's' : 'm',
type: _this2.isNodeOpen(node) ? 'arrowDown' : 'arrowRight'
}) : null, node.icon && !node.useEmptyIcon ? ___EmotionJSX("span", {
className: "euiTreeView__iconWrapper"
}, _this2.isNodeOpen(node) && node.iconWhenExpanded ? node.iconWhenExpanded : node.icon) : null, node.useEmptyIcon && !node.icon ? ___EmotionJSX("span", {
className: "euiTreeView__iconPlaceholder"
}) : null, ___EmotionJSX("span", {
ref: ref,
className: "euiTreeView__nodeLabel"
}, node.label)), ___EmotionJSX("div", {
id: wrappingId,
onKeyDown: function onKeyDown(event) {
return _this2.onChildrenKeydown(event, index);
}
}, node.children && _this2.isNodeOpen(node) ? ___EmotionJSX(EuiTreeView, _extends({
items: node.children,
display: display,
showExpansionArrows: showExpansionArrows,
expandByDefault: _this2.state.expandChildNodes
}, label)) : null)));
});
});
}))));
}
}]);
return EuiTreeView;
}(Component);
_defineProperty(EuiTreeView, "contextType", EuiTreeViewContext);
EuiTreeView.propTypes = {
className: PropTypes.string,
"data-test-subj": PropTypes.string,
css: PropTypes.any,
/** An array of EuiTreeViewNodes
*/
items: PropTypes.arrayOf(PropTypes.shape({
/** An array of EuiTreeViewNodes 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
};