ant-design-vue/components/vc-menu/SubPopupMenu.jsx

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import omit from 'omit.js'
import PropTypes from '../_util/vue-types'
import { connect } from '../_util/store'
import BaseMixin from '../_util/BaseMixin'
import KeyCode from '../_util/KeyCode'
import classNames from 'classnames'
import { getKeyFromChildrenIndex, loopMenuItem, noop } from './util'
import DOMWrap from './DOMWrap'
import { cloneElement } from '../_util/vnode'
import { initDefaultProps, getOptionProps, getPropsData, getEvents, getComponentFromProp } from '../_util/props-util'
function allDisabled (arr) {
if (!arr.length) {
return true
}
return arr.every(c => {
return !!c.disabled
})
}
function updateActiveKey (store, menuId, activeKey) {
const state = store.getState()
store.setState({
activeKey: {
...state.activeKey,
[menuId]: activeKey,
},
})
}
function getEventKey (props) {
// when eventKey not available ,it's menu and return menu id '0-menu-'
return props.eventKey || '0-menu-'
}
export function saveRef (key, c) {
if (c) {
const index = this.instanceArrayKeyIndexMap[key]
this.instanceArray[index] = c
}
}
export function getActiveKey (props, originalActiveKey) {
let activeKey = originalActiveKey
const { eventKey, defaultActiveFirst, children } = props
if (activeKey !== undefined && activeKey !== null) {
let found
loopMenuItem(children, (c, i) => {
const propsData = c.componentOptions.propsData || {}
if (c && !propsData.disabled && activeKey === getKeyFromChildrenIndex(c, eventKey, i)) {
found = true
}
})
if (found) {
return activeKey
}
}
activeKey = null
if (defaultActiveFirst) {
loopMenuItem(children, (c, i) => {
const propsData = c.componentOptions.propsData || {}
if (!activeKey && c && !propsData.disabled) {
activeKey = getKeyFromChildrenIndex(c, eventKey, i)
}
})
return activeKey
}
return activeKey
}
const SubPopupMenu = {
name: 'SubPopupMenu',
props: initDefaultProps({
// onSelect: PropTypes.func,
// onClick: PropTypes.func,
// onDeselect: PropTypes.func,
// onOpenChange: PropTypes.func,
// onDestroy: PropTypes.func,
prefixCls: PropTypes.string,
openTransitionName: PropTypes.string,
openAnimation: PropTypes.oneOfType([PropTypes.string, PropTypes.object]),
openKeys: PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.string, PropTypes.number])),
visible: PropTypes.bool,
parentMenu: PropTypes.object,
eventKey: PropTypes.string,
store: PropTypes.object,
// adding in refactor
focusable: PropTypes.bool,
multiple: PropTypes.bool,
defaultActiveFirst: PropTypes.bool,
activeKey: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
selectedKeys: PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.string, PropTypes.number])),
defaultSelectedKeys: PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.string, PropTypes.number])),
defaultOpenKeys: PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.string, PropTypes.number])),
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,
itemIcon: PropTypes.any,
expandIcon: PropTypes.any,
overflowedIndicator: PropTypes.any,
children: PropTypes.any.def([]),
__propsSymbol__: PropTypes.any, // mock componentWillReceiveProps
}, {
prefixCls: 'rc-menu',
mode: 'vertical',
level: 1,
inlineIndent: 24,
visible: true,
focusable: true,
manualRef: noop,
}),
mixins: [BaseMixin],
created () {
const props = getOptionProps(this)
this.prevProps = { ...props }
props.store.setState({
activeKey: {
...props.store.getState().activeKey,
[props.eventKey]: getActiveKey(props, props.activeKey),
},
})
this.instanceArray = []
},
mounted () {
// invoke customized ref to expose component to mixin
if (this.manualRef) {
this.manualRef(this)
}
},
updated () {
const props = getOptionProps(this)
const prevProps = this.prevProps
const originalActiveKey = 'activeKey' in props ? props.activeKey
: props.store.getState().activeKey[getEventKey(props)]
const activeKey = getActiveKey(props, originalActiveKey)
if (activeKey !== originalActiveKey) {
updateActiveKey(props.store, getEventKey(props), activeKey)
} else if ('activeKey' in prevProps) {
// If prev activeKey is not same as current activeKey,
// we should set it.
const prevActiveKey = getActiveKey(prevProps, prevProps.activeKey)
if (activeKey !== prevActiveKey) {
updateActiveKey(props.store, getEventKey(props), activeKey)
}
}
this.prevProps = { ...props }
},
methods: {
// 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.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.$props.store, getEventKey(this.$props), activeItem.eventKey)
if (typeof callback === 'function') {
callback(activeItem)
}
return 1
}
},
onItemHover (e) {
const { key, hover } = e
updateActiveKey(this.$props.store, getEventKey(this.$props), hover ? key : null)
},
onDeselect (selectInfo) {
this.__emit('deselect', selectInfo)
},
onSelect (selectInfo) {
this.__emit('select', selectInfo)
},
onClick (e) {
this.__emit('click', e)
},
onOpenChange (e) {
this.__emit('openChange', e)
},
onDestroy (key) {
this.__emit('destroy', key)
},
getFlatInstanceArray () {
return this.instanceArray
},
getOpenTransitionName () {
return this.$props.openTransitionName
},
step (direction) {
let children = this.getFlatInstanceArray()
const activeKey = this.$props.store.getState().activeKey[getEventKey(this.$props)]
const len = children.length
if (!len) {
return null
}
if (direction < 0) {
children = children.concat().reverse()
}
// find current activeIndex
let activeIndex = -1
children.every((c, ci) => {
if (c && c.eventKey === activeKey) {
activeIndex = ci
return false
}
return true
})
if (
!this.defaultActiveFirst && activeIndex !== -1 &&
allDisabled(children.slice(activeIndex, len - 1))
) {
return undefined
}
const start = (activeIndex + 1) % len
let i = start
do {
const child = children[i]
if (!child || child.disabled) {
i = (i + 1) % len
} else {
return child
}
} while (i !== start)
return null
},
getIcon (instance, name) {
if (instance.$createElement) {
const temp = instance[name]
if (temp !== undefined) {
return temp
}
return instance.$slots[name] || instance.$scopedSlots[name]
} else {
const temp = getPropsData(instance)[name]
if (temp !== undefined) {
return temp
}
const slotsProp = []
const componentOptions = instance.componentOptions || {};
(componentOptions.children || []).forEach((child) => {
if (child.data && child.data.slot === name) {
if (child.tag === 'template') {
slotsProp.push(child.children)
} else {
slotsProp.push(child)
}
}
})
return slotsProp.length ? slotsProp : undefined
}
},
renderCommonMenuItem (child, i, extraProps) {
if (child.tag === undefined) { return child }
const state = this.$props.store.getState()
const props = this.$props
const key = getKeyFromChildrenIndex(child, props.eventKey, i)
const childProps = child.componentOptions.propsData || {}
const isActive = key === state.activeKey[getEventKey(this.$props)]
if (!childProps.disabled) {
// manualRef的执行顺序不能保证使用key映射ref在this.instanceArray中的位置
this.instanceArrayKeyIndexMap[key] = Object.keys(this.instanceArrayKeyIndexMap).length
}
const childListeners = getEvents(child)
const newChildProps = {
props: {
mode: childProps.mode || props.mode,
level: props.level,
inlineIndent: props.inlineIndent,
renderMenuItem: this.renderMenuItem,
rootPrefixCls: props.prefixCls,
index: i,
parentMenu: props.parentMenu,
// customized ref function, need to be invoked manually in child's componentDidMount
manualRef: childProps.disabled ? noop : saveRef.bind(this, key),
eventKey: key,
active: !childProps.disabled && isActive,
multiple: props.multiple,
openTransitionName: this.getOpenTransitionName(),
openAnimation: props.openAnimation,
subMenuOpenDelay: props.subMenuOpenDelay,
subMenuCloseDelay: props.subMenuCloseDelay,
forceSubMenuRender: props.forceSubMenuRender,
builtinPlacements: props.builtinPlacements,
itemIcon: this.getIcon(child, 'itemIcon') || this.getIcon(this, 'itemIcon'),
expandIcon: this.getIcon(child, 'expandIcon') || this.getIcon(this, 'expandIcon'),
...extraProps,
},
on: {
click: (e) => {
(childListeners.click || noop)(e)
this.onClick(e)
},
itemHover: this.onItemHover,
openChange: this.onOpenChange,
deselect: this.onDeselect,
// destroy: this.onDestroy,
select: this.onSelect,
},
}
if (props.mode === 'inline') {
newChildProps.props.triggerSubMenuAction = 'click'
}
return cloneElement(child, newChildProps)
},
renderMenuItem (c, i, subMenuKey) {
if (!c) {
return null
}
const state = this.$props.store.getState()
const extraProps = {
openKeys: state.openKeys,
selectedKeys: state.selectedKeys,
triggerSubMenuAction: this.triggerSubMenuAction,
isRootMenu: false,
subMenuKey,
}
return this.renderCommonMenuItem(c, i, extraProps)
},
},
render () {
const { ...props } = this.$props
const { eventKey, prefixCls, visible, level, mode, theme } = props
this.instanceArray = []
this.instanceArrayKeyIndexMap = {}
const className = classNames(
props.prefixCls,
`${props.prefixCls}-${props.mode}`,
)
const domWrapProps = {
props: {
tag: 'ul',
// hiddenClassName: `${prefixCls}-hidden`,
visible,
prefixCls,
level,
mode,
theme,
overflowedIndicator: getComponentFromProp(this, 'overflowedIndicator'),
},
attrs: {
role: props.role || 'menu',
},
class: className,
// Otherwise, the propagated click event will trigger another onClick
on: omit(this.$listeners || {}, ['click']),
}
// if (props.id) {
// domProps.id = props.id
// }
if (props.focusable) {
domWrapProps.attrs.tabIndex = '0'
domWrapProps.on.keydown = this.onKeyDown
}
return (
// ESLint is not smart enough to know that the type of `children` was checked.
/* eslint-disable */
<DOMWrap
{...domWrapProps}
>
{props.children.map((c, i) => this.renderMenuItem(c, i, eventKey || '0-menu-'))}
</DOMWrap>
/*eslint -enable */
)
},
}
export default connect()(SubPopupMenu);