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SubPopupMenu.js
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SubPopupMenu.js
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import React from 'react';
import PropTypes from 'prop-types';
import { connect } from 'mini-store';
import KeyCode from 'rc-util/lib/KeyCode';
import createChainedFunction from 'rc-util/lib/createChainedFunction';
import classNames from 'classnames';
import { getKeyFromChildrenIndex, loopMenuItem, noop } from './util';
import DOMWrap from './DOMWrap';
function allDisabled(arr) {
if (!arr.length) {
return true;
}
return arr.every(c => !!c.props.disabled);
}
function updateActiveKey(store, menuId, activeKey) {
const state = store.getState();
store.setState({
activeKey: {
...state.activeKey,
[menuId]: activeKey,
},
});
}
export function getActiveKey(props, originalActiveKey) {
let activeKey = originalActiveKey;
const { children, eventKey } = props;
if (activeKey) {
let found;
loopMenuItem(children, (c, i) => {
if (c && !c.props.disabled && activeKey === getKeyFromChildrenIndex(c, eventKey, i)) {
found = true;
}
});
if (found) {
return activeKey;
}
}
activeKey = null;
if (props.defaultActiveFirst) {
loopMenuItem(children, (c, i) => {
if (!activeKey && c && !c.props.disabled) {
activeKey = getKeyFromChildrenIndex(c, eventKey, i);
}
});
return activeKey;
}
return activeKey;
}
function saveRef(index, c) {
if (c) {
this.instanceArray[index] = c;
}
}
export class SubPopupMenu extends React.Component {
static propTypes = {
onSelect: PropTypes.func,
onClick: PropTypes.func,
onDeselect: PropTypes.func,
onOpenChange: PropTypes.func,
onDestroy: PropTypes.func,
openTransitionName: PropTypes.string,
openAnimation: PropTypes.oneOfType([PropTypes.string, PropTypes.object]),
openKeys: PropTypes.arrayOf(PropTypes.string),
visible: PropTypes.bool,
children: PropTypes.any,
parentMenu: PropTypes.object,
eventKey: PropTypes.string,
store: PropTypes.shape({
getState: PropTypes.func,
setState: PropTypes.func,
}),
// adding in refactor
focusable: PropTypes.bool,
multiple: PropTypes.bool,
style: PropTypes.object,
defaultActiveFirst: PropTypes.bool,
activeKey: PropTypes.string,
selectedKeys: PropTypes.arrayOf(PropTypes.string),
defaultSelectedKeys: PropTypes.arrayOf(PropTypes.string),
defaultOpenKeys: PropTypes.arrayOf(PropTypes.string),
level: PropTypes.number,
mode: PropTypes.oneOf(['horizontal', 'vertical', 'vertical-left', 'vertical-right', 'inline']),
triggerSubMenuAction: PropTypes.oneOf(['click', 'hover']),
inlineIndent: PropTypes.oneOfType(PropTypes.number, PropTypes.string),
manualRef: PropTypes.func,
};
static defaultProps = {
prefixCls: 'rc-menu',
className: '',
mode: 'vertical',
level: 1,
inlineIndent: 24,
visible: true,
focusable: true,
style: {},
manualRef: noop,
};
constructor(props) {
super(props);
props.store.setState({
activeKey: {
...props.store.getState().activeKey,
[props.eventKey]: getActiveKey(props, props.activeKey),
},
});
}
componentWillMount() {
this.instanceArray = [];
}
componentDidMount() {
// invoke customized ref to expose component to mixin
if (this.props.manualRef) {
this.props.manualRef(this);
}
}
componentWillReceiveProps(nextProps) {
const originalActiveKey = 'activeKey' in nextProps ? nextProps.activeKey :
this.getStore().getState().activeKey[this.getEventKey()];
const activeKey = getActiveKey(nextProps, originalActiveKey);
if (activeKey !== originalActiveKey) {
updateActiveKey(this.getStore(), this.getEventKey(), activeKey);
}
}
shouldComponentUpdate(nextProps) {
return this.props.visible || nextProps.visible;
}
// all keyboard events callbacks run from here at first
onKeyDown = (e, callback) => {
const keyCode = e.keyCode;
let handled;
this.getFlatInstanceArray().forEach((obj) => {
if (obj && obj.props.active && obj.onKeyDown) {
handled = obj.onKeyDown(e);
}
});
if (handled) {
return 1;
}
let activeItem = null;
if (keyCode === KeyCode.UP || keyCode === KeyCode.DOWN) {
activeItem = this.step(keyCode === KeyCode.UP ? -1 : 1);
}
if (activeItem) {
e.preventDefault();
updateActiveKey(this.getStore(), this.getEventKey(), activeItem.props.eventKey);
if (typeof callback === 'function') {
callback(activeItem);
}
return 1;
}
};
onItemHover = (e) => {
const { key, hover } = e;
updateActiveKey(this.getStore(), this.getEventKey(), hover ? key : null);
};
onDeselect = (selectInfo) => {
this.props.onDeselect(selectInfo);
};
onSelect = (selectInfo) => {
this.props.onSelect(selectInfo);
}
onClick = (e) => {
this.props.onClick(e);
};
onOpenChange = (e) => {
this.props.onOpenChange(e);
};
onDestroy = (key) => {
/* istanbul ignore next */
this.props.onDestroy(key);
};
getFlatInstanceArray = () => {
return this.instanceArray;
};
getStore = () => {
return this.props.store;
};
getEventKey = () => {
// when eventKey not available ,it's menu and return menu id '0-menu-'
return this.props.eventKey || '0-menu-';
};
getOpenTransitionName = () => {
return this.props.openTransitionName;
};
step = (direction) => {
let children = this.getFlatInstanceArray();
const activeKey = this.getStore().getState().activeKey[this.getEventKey()];
const len = children.length;
if (!len) {
return null;
}
if (direction < 0) {
children = children.concat().reverse();
}
// find current activeIndex
let activeIndex = -1;
children.every((c, ci) => {
if (c && c.props.eventKey === activeKey) {
activeIndex = ci;
return false;
}
return true;
});
if (
!this.props.defaultActiveFirst && activeIndex !== -1
&&
allDisabled(children.slice(activeIndex, len - 1))
) {
return undefined;
}
const start = (activeIndex + 1) % len;
let i = start;
do {
const child = children[i];
if (!child || child.props.disabled) {
i = (i + 1) % len;
} else {
return child;
}
} while (i !== start);
return null;
};
renderCommonMenuItem = (child, i, extraProps) => {
const state = this.getStore().getState();
const props = this.props;
const key = getKeyFromChildrenIndex(child, props.eventKey, i);
const childProps = child.props;
const isActive = key === state.activeKey;
const newChildProps = {
mode: props.mode,
level: props.level,
inlineIndent: props.inlineIndent,
renderMenuItem: this.renderMenuItem,
rootPrefixCls: props.prefixCls,
index: i,
parentMenu: props.parentMenu,
// customized ref function, need to be invoked manually in child's componentDidMount
manualRef: childProps.disabled ? undefined :
createChainedFunction(child.ref, saveRef.bind(this, i)),
eventKey: key,
active: !childProps.disabled && isActive,
multiple: props.multiple,
onClick: this.onClick,
onItemHover: this.onItemHover,
openTransitionName: this.getOpenTransitionName(),
openAnimation: props.openAnimation,
subMenuOpenDelay: props.subMenuOpenDelay,
subMenuCloseDelay: props.subMenuCloseDelay,
forceSubMenuRender: props.forceSubMenuRender,
onOpenChange: this.onOpenChange,
onDeselect: this.onDeselect,
onSelect: this.onSelect,
...extraProps,
};
if (props.mode === 'inline') {
newChildProps.triggerSubMenuAction = 'click';
}
return React.cloneElement(child, newChildProps);
};
renderMenuItem = (c, i, subMenuKey) => {
/* istanbul ignore if */
if (!c) {
return null;
}
const state = this.getStore().getState();
const extraProps = {
openKeys: state.openKeys,
selectedKeys: state.selectedKeys,
triggerSubMenuAction: this.props.triggerSubMenuAction,
subMenuKey,
};
return this.renderCommonMenuItem(c, i, extraProps);
};
render() {
const props = this.props;
this.instanceArray = [];
const className = classNames(
props.prefixCls,
props.className,
`${props.prefixCls}-${props.mode}`,
);
const domProps = {
className,
role: 'menu',
'aria-activedescendant': '',
};
if (props.id) {
domProps.id = props.id;
}
if (props.focusable) {
domProps.tabIndex = '0';
domProps.onKeyDown = this.onKeyDown;
}
return (
// ESLint is not smart enough to know that the type of `children` was checked.
/* eslint-disable */
<DOMWrap
style={props.style}
tag="ul"
hiddenClassName={`${props.prefixCls}-hidden`}
visible={props.visible}
{...domProps}
>
{React.Children.map(
props.children,
(c, i) => this.renderMenuItem(c, i, props.eventKey || '0-menu-'),
)}
</DOMWrap>
/*eslint-enable */
);
}
}
export default connect()(SubPopupMenu);