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362 lines
12 KiB
362 lines
12 KiB
"use strict";
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var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
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var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
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var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
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var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
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var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
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var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));
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var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
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var _createSuper2 = _interopRequireDefault(require("@babel/runtime/helpers/createSuper"));
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var React = _interopRequireWildcard(require("react"));
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var ReactDOM = _interopRequireWildcard(require("react-dom"));
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var _resizeObserverPolyfill = _interopRequireDefault(require("resize-observer-polyfill"));
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var _SubMenu = _interopRequireDefault(require("./SubMenu"));
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var _util = require("./util");
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var MENUITEM_OVERFLOWED_CLASSNAME = 'menuitem-overflowed';
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var FLOAT_PRECISION_ADJUST = 0.5;
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var DOMWrap = /*#__PURE__*/function (_React$Component) {
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(0, _inherits2.default)(DOMWrap, _React$Component);
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var _super = (0, _createSuper2.default)(DOMWrap);
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function DOMWrap() {
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var _this;
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(0, _classCallCheck2.default)(this, DOMWrap);
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_this = _super.apply(this, arguments);
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_this.resizeObserver = null;
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_this.mutationObserver = null; // original scroll size of the list
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_this.originalTotalWidth = 0; // copy of overflowed items
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_this.overflowedItems = []; // cache item of the original items (so we can track the size and order)
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_this.menuItemSizes = [];
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_this.cancelFrameId = null;
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_this.state = {
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lastVisibleIndex: undefined
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}; // get all valid menuItem nodes
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_this.getMenuItemNodes = function () {
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var prefixCls = _this.props.prefixCls;
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var ul = ReactDOM.findDOMNode((0, _assertThisInitialized2.default)(_this));
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if (!ul) {
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return [];
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} // filter out all overflowed indicator placeholder
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return [].slice.call(ul.children).filter(function (node) {
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return node.className.split(' ').indexOf("".concat(prefixCls, "-overflowed-submenu")) < 0;
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});
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};
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_this.getOverflowedSubMenuItem = function (keyPrefix, overflowedItems, renderPlaceholder) {
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var _this$props = _this.props,
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overflowedIndicator = _this$props.overflowedIndicator,
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level = _this$props.level,
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mode = _this$props.mode,
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prefixCls = _this$props.prefixCls,
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theme = _this$props.theme;
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if (level !== 1 || mode !== 'horizontal') {
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return null;
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} // put all the overflowed item inside a submenu
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// with a title of overflow indicator ('...')
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var copy = _this.props.children[0];
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var _copy$props = copy.props,
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throwAway = _copy$props.children,
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title = _copy$props.title,
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propStyle = _copy$props.style,
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rest = (0, _objectWithoutProperties2.default)(_copy$props, ["children", "title", "style"]);
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var style = (0, _objectSpread2.default)({}, propStyle);
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var key = "".concat(keyPrefix, "-overflowed-indicator");
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var eventKey = "".concat(keyPrefix, "-overflowed-indicator");
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if (overflowedItems.length === 0 && renderPlaceholder !== true) {
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style = (0, _objectSpread2.default)((0, _objectSpread2.default)({}, style), {}, {
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display: 'none'
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});
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} else if (renderPlaceholder) {
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style = (0, _objectSpread2.default)((0, _objectSpread2.default)({}, style), {}, {
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visibility: 'hidden',
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// prevent from taking normal dom space
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position: 'absolute'
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});
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key = "".concat(key, "-placeholder");
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eventKey = "".concat(eventKey, "-placeholder");
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}
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var popupClassName = theme ? "".concat(prefixCls, "-").concat(theme) : '';
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var props = {};
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_util.menuAllProps.forEach(function (k) {
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if (rest[k] !== undefined) {
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props[k] = rest[k];
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}
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});
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return React.createElement(_SubMenu.default, Object.assign({
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title: overflowedIndicator,
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className: "".concat(prefixCls, "-overflowed-submenu"),
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popupClassName: popupClassName
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}, props, {
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key: key,
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eventKey: eventKey,
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disabled: false,
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style: style
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}), overflowedItems);
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}; // memorize rendered menuSize
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_this.setChildrenWidthAndResize = function () {
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if (_this.props.mode !== 'horizontal') {
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return;
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}
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var ul = ReactDOM.findDOMNode((0, _assertThisInitialized2.default)(_this));
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if (!ul) {
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return;
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}
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var ulChildrenNodes = ul.children;
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if (!ulChildrenNodes || ulChildrenNodes.length === 0) {
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return;
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}
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var lastOverflowedIndicatorPlaceholder = ul.children[ulChildrenNodes.length - 1]; // need last overflowed indicator for calculating length;
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(0, _util.setStyle)(lastOverflowedIndicatorPlaceholder, 'display', 'inline-block');
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var menuItemNodes = _this.getMenuItemNodes(); // reset display attribute for all hidden elements caused by overflow to calculate updated width
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// and then reset to original state after width calculation
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var overflowedItems = menuItemNodes.filter(function (c) {
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return c.className.split(' ').indexOf(MENUITEM_OVERFLOWED_CLASSNAME) >= 0;
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});
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overflowedItems.forEach(function (c) {
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(0, _util.setStyle)(c, 'display', 'inline-block');
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});
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_this.menuItemSizes = menuItemNodes.map(function (c) {
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return (0, _util.getWidth)(c);
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});
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overflowedItems.forEach(function (c) {
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(0, _util.setStyle)(c, 'display', 'none');
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});
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_this.overflowedIndicatorWidth = (0, _util.getWidth)(ul.children[ul.children.length - 1]);
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_this.originalTotalWidth = _this.menuItemSizes.reduce(function (acc, cur) {
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return acc + cur;
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}, 0);
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_this.handleResize(); // prevent the overflowed indicator from taking space;
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(0, _util.setStyle)(lastOverflowedIndicatorPlaceholder, 'display', 'none');
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};
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_this.handleResize = function () {
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if (_this.props.mode !== 'horizontal') {
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return;
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}
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var ul = ReactDOM.findDOMNode((0, _assertThisInitialized2.default)(_this));
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if (!ul) {
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return;
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}
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var width = (0, _util.getWidth)(ul);
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_this.overflowedItems = [];
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var currentSumWidth = 0; // index for last visible child in horizontal mode
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var lastVisibleIndex; // float number comparison could be problematic
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// e.g. 0.1 + 0.2 > 0.3 =====> true
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// thus using FLOAT_PRECISION_ADJUST as buffer to help the situation
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if (_this.originalTotalWidth > width + FLOAT_PRECISION_ADJUST) {
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lastVisibleIndex = -1;
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_this.menuItemSizes.forEach(function (liWidth) {
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currentSumWidth += liWidth;
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if (currentSumWidth + _this.overflowedIndicatorWidth <= width) {
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lastVisibleIndex += 1;
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}
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});
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}
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_this.setState({
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lastVisibleIndex: lastVisibleIndex
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});
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};
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return _this;
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}
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(0, _createClass2.default)(DOMWrap, [{
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key: "componentDidMount",
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value: function componentDidMount() {
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var _this2 = this;
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this.setChildrenWidthAndResize();
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if (this.props.level === 1 && this.props.mode === 'horizontal') {
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var menuUl = ReactDOM.findDOMNode(this);
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if (!menuUl) {
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return;
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}
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this.resizeObserver = new _resizeObserverPolyfill.default(function (entries) {
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entries.forEach(function () {
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var cancelFrameId = _this2.cancelFrameId;
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cancelAnimationFrame(cancelFrameId);
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_this2.cancelFrameId = requestAnimationFrame(_this2.setChildrenWidthAndResize);
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});
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});
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[].slice.call(menuUl.children).concat(menuUl).forEach(function (el) {
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_this2.resizeObserver.observe(el);
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});
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if (typeof MutationObserver !== 'undefined') {
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this.mutationObserver = new MutationObserver(function () {
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_this2.resizeObserver.disconnect();
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[].slice.call(menuUl.children).concat(menuUl).forEach(function (el) {
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_this2.resizeObserver.observe(el);
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});
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_this2.setChildrenWidthAndResize();
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});
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this.mutationObserver.observe(menuUl, {
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attributes: false,
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childList: true,
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subTree: false
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});
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}
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}
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}
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}, {
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key: "componentWillUnmount",
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value: function componentWillUnmount() {
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if (this.resizeObserver) {
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this.resizeObserver.disconnect();
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}
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if (this.mutationObserver) {
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this.mutationObserver.disconnect();
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}
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cancelAnimationFrame(this.cancelFrameId);
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}
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}, {
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key: "renderChildren",
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value: function renderChildren(children) {
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var _this3 = this;
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// need to take care of overflowed items in horizontal mode
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var lastVisibleIndex = this.state.lastVisibleIndex;
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return (children || []).reduce(function (acc, childNode, index) {
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var item = childNode;
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if (_this3.props.mode === 'horizontal') {
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var overflowed = _this3.getOverflowedSubMenuItem(childNode.props.eventKey, []);
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if (lastVisibleIndex !== undefined && _this3.props.className.indexOf("".concat(_this3.props.prefixCls, "-root")) !== -1) {
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if (index > lastVisibleIndex) {
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item = React.cloneElement(childNode, // 这里修改 eventKey 是为了防止隐藏状态下还会触发 openkeys 事件
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{
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style: {
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display: 'none'
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},
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eventKey: "".concat(childNode.props.eventKey, "-hidden"),
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/**
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* Legacy code. Here `className` never used:
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* https://github.com/react-component/menu/commit/4cd6b49fce9d116726f4ea00dda85325d6f26500#diff-e2fa48f75c2dd2318295cde428556a76R240
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*/
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className: "".concat(MENUITEM_OVERFLOWED_CLASSNAME)
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});
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}
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if (index === lastVisibleIndex + 1) {
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_this3.overflowedItems = children.slice(lastVisibleIndex + 1).map(function (c) {
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return React.cloneElement(c, // children[index].key will become '.$key' in clone by default,
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// we have to overwrite with the correct key explicitly
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{
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key: c.props.eventKey,
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mode: 'vertical-left'
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});
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});
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overflowed = _this3.getOverflowedSubMenuItem(childNode.props.eventKey, _this3.overflowedItems);
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}
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}
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var ret = [].concat((0, _toConsumableArray2.default)(acc), [overflowed, item]);
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if (index === children.length - 1) {
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// need a placeholder for calculating overflowed indicator width
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ret.push(_this3.getOverflowedSubMenuItem(childNode.props.eventKey, [], true));
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}
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return ret;
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}
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return [].concat((0, _toConsumableArray2.default)(acc), [item]);
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}, []);
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}
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}, {
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key: "render",
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value: function render() {
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var _this$props2 = this.props,
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visible = _this$props2.visible,
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prefixCls = _this$props2.prefixCls,
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overflowedIndicator = _this$props2.overflowedIndicator,
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mode = _this$props2.mode,
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level = _this$props2.level,
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tag = _this$props2.tag,
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children = _this$props2.children,
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theme = _this$props2.theme,
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rest = (0, _objectWithoutProperties2.default)(_this$props2, ["visible", "prefixCls", "overflowedIndicator", "mode", "level", "tag", "children", "theme"]);
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var Tag = tag;
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return React.createElement(Tag, Object.assign({}, rest), this.renderChildren(children));
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}
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}]);
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return DOMWrap;
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}(React.Component);
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DOMWrap.defaultProps = {
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tag: 'div',
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className: ''
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};
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var _default = DOMWrap;
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exports.default = _default; |