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Dropdown.js 8.7 KiB

vor 3 Jahren
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  1. import _extends from "@babel/runtime/helpers/esm/extends";
  2. import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
  3. import _inheritsLoose from "@babel/runtime/helpers/esm/inheritsLoose";
  4. import _assertThisInitialized from "@babel/runtime/helpers/esm/assertThisInitialized";
  5. /* eslint react/no-find-dom-node: 0 */
  6. // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/no-find-dom-node.md
  7. import React from 'react';
  8. import PropTypes from 'prop-types';
  9. import ReactDOM from 'react-dom';
  10. import { Manager } from 'react-popper';
  11. import classNames from 'classnames';
  12. import { mapToCssModules, omit, keyCodes, deprecated, tagPropType } from './utils';
  13. var propTypes = {
  14. disabled: PropTypes.bool,
  15. dropup: deprecated(PropTypes.bool, 'Please use the prop "direction" with the value "up".'),
  16. direction: PropTypes.oneOf(['up', 'down', 'left', 'right']),
  17. group: PropTypes.bool,
  18. isOpen: PropTypes.bool,
  19. nav: PropTypes.bool,
  20. active: PropTypes.bool,
  21. addonType: PropTypes.oneOfType([PropTypes.bool, PropTypes.oneOf(['prepend', 'append'])]),
  22. size: PropTypes.string,
  23. tag: tagPropType,
  24. toggle: PropTypes.func,
  25. children: PropTypes.node,
  26. className: PropTypes.string,
  27. cssModule: PropTypes.object,
  28. inNavbar: PropTypes.bool,
  29. setActiveFromChild: PropTypes.bool
  30. };
  31. var defaultProps = {
  32. isOpen: false,
  33. direction: 'down',
  34. nav: false,
  35. active: false,
  36. addonType: false,
  37. inNavbar: false,
  38. setActiveFromChild: false
  39. };
  40. var childContextTypes = {
  41. toggle: PropTypes.func.isRequired,
  42. isOpen: PropTypes.bool.isRequired,
  43. direction: PropTypes.oneOf(['up', 'down', 'left', 'right']).isRequired,
  44. inNavbar: PropTypes.bool.isRequired
  45. };
  46. var Dropdown =
  47. /*#__PURE__*/
  48. function (_React$Component) {
  49. _inheritsLoose(Dropdown, _React$Component);
  50. function Dropdown(props) {
  51. var _this;
  52. _this = _React$Component.call(this, props) || this;
  53. _this.addEvents = _this.addEvents.bind(_assertThisInitialized(_assertThisInitialized(_this)));
  54. _this.handleDocumentClick = _this.handleDocumentClick.bind(_assertThisInitialized(_assertThisInitialized(_this)));
  55. _this.handleKeyDown = _this.handleKeyDown.bind(_assertThisInitialized(_assertThisInitialized(_this)));
  56. _this.removeEvents = _this.removeEvents.bind(_assertThisInitialized(_assertThisInitialized(_this)));
  57. _this.toggle = _this.toggle.bind(_assertThisInitialized(_assertThisInitialized(_this)));
  58. return _this;
  59. }
  60. var _proto = Dropdown.prototype;
  61. _proto.getChildContext = function getChildContext() {
  62. return {
  63. toggle: this.props.toggle,
  64. isOpen: this.props.isOpen,
  65. direction: this.props.direction === 'down' && this.props.dropup ? 'up' : this.props.direction,
  66. inNavbar: this.props.inNavbar
  67. };
  68. };
  69. _proto.componentDidMount = function componentDidMount() {
  70. this.handleProps();
  71. };
  72. _proto.componentDidUpdate = function componentDidUpdate(prevProps) {
  73. if (this.props.isOpen !== prevProps.isOpen) {
  74. this.handleProps();
  75. }
  76. };
  77. _proto.componentWillUnmount = function componentWillUnmount() {
  78. this.removeEvents();
  79. };
  80. _proto.getContainer = function getContainer() {
  81. if (this._$container) return this._$container;
  82. this._$container = ReactDOM.findDOMNode(this);
  83. return ReactDOM.findDOMNode(this);
  84. };
  85. _proto.getMenuCtrl = function getMenuCtrl() {
  86. if (this._$menuCtrl) return this._$menuCtrl;
  87. this._$menuCtrl = this.getContainer().querySelector('[aria-expanded]');
  88. return this._$menuCtrl;
  89. };
  90. _proto.getMenuItems = function getMenuItems() {
  91. return [].slice.call(this.getContainer().querySelectorAll('[role="menuitem"]'));
  92. };
  93. _proto.addEvents = function addEvents() {
  94. var _this2 = this;
  95. ['click', 'touchstart', 'keyup'].forEach(function (event) {
  96. return document.addEventListener(event, _this2.handleDocumentClick, true);
  97. });
  98. };
  99. _proto.removeEvents = function removeEvents() {
  100. var _this3 = this;
  101. ['click', 'touchstart', 'keyup'].forEach(function (event) {
  102. return document.removeEventListener(event, _this3.handleDocumentClick, true);
  103. });
  104. };
  105. _proto.handleDocumentClick = function handleDocumentClick(e) {
  106. if (e && (e.which === 3 || e.type === 'keyup' && e.which !== keyCodes.tab)) return;
  107. var container = this.getContainer();
  108. if (container.contains(e.target) && container !== e.target && (e.type !== 'keyup' || e.which === keyCodes.tab)) {
  109. return;
  110. }
  111. this.toggle(e);
  112. };
  113. _proto.handleKeyDown = function handleKeyDown(e) {
  114. var _this4 = this;
  115. if (/input|textarea/i.test(e.target.tagName) || keyCodes.tab === e.which && e.target.getAttribute('role') !== 'menuitem') {
  116. return;
  117. }
  118. e.preventDefault();
  119. if (this.props.disabled) return;
  120. if (this.getMenuCtrl() === e.target) {
  121. if (!this.props.isOpen && [keyCodes.space, keyCodes.enter, keyCodes.up, keyCodes.down].indexOf(e.which) > -1) {
  122. this.toggle(e);
  123. setTimeout(function () {
  124. return _this4.getMenuItems()[0].focus();
  125. });
  126. }
  127. }
  128. if (this.props.isOpen && e.target.getAttribute('role') === 'menuitem') {
  129. if ([keyCodes.tab, keyCodes.esc].indexOf(e.which) > -1) {
  130. this.toggle(e);
  131. this.getMenuCtrl().focus();
  132. } else if ([keyCodes.space, keyCodes.enter].indexOf(e.which) > -1) {
  133. e.target.click();
  134. this.getMenuCtrl().focus();
  135. } else if ([keyCodes.down, keyCodes.up].indexOf(e.which) > -1 || [keyCodes.n, keyCodes.p].indexOf(e.which) > -1 && e.ctrlKey) {
  136. var $menuitems = this.getMenuItems();
  137. var index = $menuitems.indexOf(e.target);
  138. if (keyCodes.up === e.which || keyCodes.p === e.which && e.ctrlKey) {
  139. index = index !== 0 ? index - 1 : $menuitems.length - 1;
  140. } else if (keyCodes.down === e.which || keyCodes.n === e.which && e.ctrlKey) {
  141. index = index === $menuitems.length - 1 ? 0 : index + 1;
  142. }
  143. $menuitems[index].focus();
  144. } else if (keyCodes.end === e.which) {
  145. var _$menuitems = this.getMenuItems();
  146. _$menuitems[_$menuitems.length - 1].focus();
  147. } else if (keyCodes.home === e.which) {
  148. var _$menuitems2 = this.getMenuItems();
  149. _$menuitems2[0].focus();
  150. } else if (e.which >= 48 && e.which <= 90) {
  151. var _$menuitems3 = this.getMenuItems();
  152. var charPressed = String.fromCharCode(e.which).toLowerCase();
  153. for (var i = 0; i < _$menuitems3.length; i += 1) {
  154. var firstLetter = _$menuitems3[i].textContent && _$menuitems3[i].textContent[0].toLowerCase();
  155. if (firstLetter === charPressed) {
  156. _$menuitems3[i].focus();
  157. break;
  158. }
  159. }
  160. }
  161. }
  162. };
  163. _proto.handleProps = function handleProps() {
  164. if (this.props.isOpen) {
  165. this.addEvents();
  166. } else {
  167. this.removeEvents();
  168. }
  169. };
  170. _proto.toggle = function toggle(e) {
  171. if (this.props.disabled) {
  172. return e && e.preventDefault();
  173. }
  174. return this.props.toggle(e);
  175. };
  176. _proto.render = function render() {
  177. var _classNames;
  178. var _omit = omit(this.props, ['toggle', 'disabled', 'inNavbar', 'direction']),
  179. className = _omit.className,
  180. cssModule = _omit.cssModule,
  181. dropup = _omit.dropup,
  182. isOpen = _omit.isOpen,
  183. group = _omit.group,
  184. size = _omit.size,
  185. nav = _omit.nav,
  186. setActiveFromChild = _omit.setActiveFromChild,
  187. active = _omit.active,
  188. addonType = _omit.addonType,
  189. attrs = _objectWithoutPropertiesLoose(_omit, ["className", "cssModule", "dropup", "isOpen", "group", "size", "nav", "setActiveFromChild", "active", "addonType"]);
  190. var direction = this.props.direction === 'down' && dropup ? 'up' : this.props.direction;
  191. attrs.tag = attrs.tag || (nav ? 'li' : 'div');
  192. var subItemIsActive = false;
  193. if (setActiveFromChild) {
  194. React.Children.map(this.props.children[1].props.children, function (dropdownItem) {
  195. if (dropdownItem && dropdownItem.props.active) subItemIsActive = true;
  196. });
  197. }
  198. var classes = mapToCssModules(classNames(className, direction !== 'down' && "drop" + direction, nav && active ? 'active' : false, setActiveFromChild && subItemIsActive ? 'active' : false, (_classNames = {}, _classNames["input-group-" + addonType] = addonType, _classNames['btn-group'] = group, _classNames["btn-group-" + size] = !!size, _classNames.dropdown = !group && !addonType, _classNames.show = isOpen, _classNames['nav-item'] = nav, _classNames)), cssModule);
  199. return React.createElement(Manager, _extends({}, attrs, {
  200. className: classes,
  201. onKeyDown: this.handleKeyDown
  202. }));
  203. };
  204. return Dropdown;
  205. }(React.Component);
  206. Dropdown.propTypes = propTypes;
  207. Dropdown.defaultProps = defaultProps;
  208. Dropdown.childContextTypes = childContextTypes;
  209. export default Dropdown;