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