ant-design-vue/components/vc-menu/SubMenu.jsx
2018-11-06 11:59:01 +08:00

548 lines
16 KiB
Vue

import omit from 'omit.js'
import PropTypes from '../_util/vue-types'
import Trigger from '../vc-trigger'
import KeyCode from '../_util/KeyCode'
import { connect } from '../_util/store'
import SubPopupMenu from './SubPopupMenu'
import placements from './placements'
import BaseMixin from '../_util/BaseMixin'
import { getComponentFromProp, filterEmpty } from '../_util/props-util'
import { requestAnimationTimeout, cancelAnimationTimeout } from '../_util/requestAnimationTimeout'
import {
noop,
loopMenuItemRecursively,
getMenuIdFromSubMenuEventKey,
} from './util'
import getTransitionProps from '../_util/getTransitionProps'
let guid = 0
const popupPlacementMap = {
horizontal: 'bottomLeft',
vertical: 'rightTop',
'vertical-left': 'rightTop',
'vertical-right': 'leftTop',
}
const updateDefaultActiveFirst = (store, eventKey, defaultActiveFirst) => {
const menuId = getMenuIdFromSubMenuEventKey(eventKey)
const state = store.getState()
store.setState({
defaultActiveFirst: {
...state.defaultActiveFirst,
[menuId]: defaultActiveFirst,
},
})
}
const SubMenu = {
name: 'SubMenu',
props: {
parentMenu: PropTypes.object,
title: PropTypes.any,
selectedKeys: PropTypes.array.def([]),
openKeys: PropTypes.array.def([]),
openChange: PropTypes.func.def(noop),
rootPrefixCls: PropTypes.string,
eventKey: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
multiple: PropTypes.bool,
active: PropTypes.bool, // TODO: remove
isRootMenu: PropTypes.bool.def(false),
index: PropTypes.number,
triggerSubMenuAction: PropTypes.string,
popupClassName: PropTypes.string,
getPopupContainer: PropTypes.func,
test: PropTypes.any,
forceSubMenuRender: PropTypes.bool,
openAnimation: PropTypes.oneOfType([PropTypes.string, PropTypes.object]),
disabled: PropTypes.bool,
subMenuOpenDelay: PropTypes.number.def(0.1),
subMenuCloseDelay: PropTypes.number.def(0.1),
level: PropTypes.number.def(1),
inlineIndent: PropTypes.number.def(24),
openTransitionName: PropTypes.string,
popupOffset: PropTypes.array,
isOpen: PropTypes.bool,
store: PropTypes.object,
mode: PropTypes.oneOf(['horizontal', 'vertical', 'vertical-left', 'vertical-right', 'inline']).def('vertical'),
manualRef: PropTypes.func.def(noop),
builtinPlacements: PropTypes.object.def({}),
itemIcon: PropTypes.any,
expandIcon: PropTypes.any,
},
mixins: [BaseMixin],
isSubMenu: true,
data () {
const props = this.$props
const store = props.store
const eventKey = props.eventKey
const defaultActiveFirst = store.getState().defaultActiveFirst
let value = false
if (defaultActiveFirst) {
value = defaultActiveFirst[eventKey]
}
updateDefaultActiveFirst(store, eventKey, value)
return {
// defaultActiveFirst: false,
}
},
mounted () {
this.$nextTick(() => {
this.handleUpdated()
})
},
updated () {
this.$nextTick(() => {
this.handleUpdated()
})
},
beforeDestroy () {
const { eventKey } = this
this.__emit('destroy', eventKey)
/* istanbul ignore if */
if (this.minWidthTimeout) {
cancelAnimationTimeout(this.minWidthTimeout)
this.minWidthTimeout = null
}
/* istanbul ignore if */
if (this.mouseenterTimeout) {
cancelAnimationTimeout(this.mouseenterTimeout)
this.mouseenterTimeout = null
}
},
methods: {
handleUpdated () {
const { mode, parentMenu, manualRef } = this.$props
// invoke customized ref to expose component to mixin
if (manualRef) {
manualRef(this)
}
if (mode !== 'horizontal' || !parentMenu.isRootMenu || !this.isOpen) {
return
}
this.minWidthTimeout = requestAnimationTimeout(() => this.adjustWidth(), 0)
},
onKeyDown (e) {
const keyCode = e.keyCode
const menu = this.menuInstance
const { store, isOpen } = this.$props
if (keyCode === KeyCode.ENTER) {
this.onTitleClick(e)
updateDefaultActiveFirst(store, this.eventKey, true)
return true
}
if (keyCode === KeyCode.RIGHT) {
if (isOpen) {
menu.onKeyDown(e)
} else {
this.triggerOpenChange(true)
// need to update current menu's defaultActiveFirst value
updateDefaultActiveFirst(store, this.eventKey, true)
}
return true
}
if (keyCode === KeyCode.LEFT) {
let handled
if (isOpen) {
handled = menu.onKeyDown(e)
} else {
return undefined
}
if (!handled) {
this.triggerOpenChange(false)
handled = true
}
return handled
}
if (isOpen && (keyCode === KeyCode.UP || keyCode === KeyCode.DOWN)) {
return menu.onKeyDown(e)
}
},
onPopupVisibleChange (visible) {
this.triggerOpenChange(visible, visible ? 'mouseenter' : 'mouseleave')
},
onMouseEnter (e) {
const { eventKey: key, store } = this.$props
updateDefaultActiveFirst(store, key, false)
this.__emit('mouseenter', {
key,
domEvent: e,
})
},
onMouseLeave (e) {
const {
eventKey,
parentMenu,
} = this
parentMenu.subMenuInstance = this
// parentMenu.subMenuLeaveFn = () => {
// // trigger mouseleave
// this.__emit('mouseleave', {
// key: eventKey,
// domEvent: e,
// })
// }
this.__emit('mouseleave', {
key: eventKey,
domEvent: e,
})
// prevent popup menu and submenu gap
// parentMenu.subMenuLeaveTimer = setTimeout(parentMenu.subMenuLeaveFn, 100)
},
onTitleMouseEnter (domEvent) {
const { eventKey: key } = this.$props
// this.clearSubMenuTitleLeaveTimer()
this.__emit('itemHover', {
key,
hover: true,
})
this.__emit('titleMouseenter', {
key,
domEvent,
})
},
onTitleMouseLeave (e) {
const { eventKey, parentMenu } = this
parentMenu.subMenuInstance = this
this.__emit('itemHover', {
key: eventKey,
hover: false,
})
this.__emit('titleMouseleave', {
key: eventKey,
domEvent: e,
})
},
onTitleClick (e) {
const { triggerSubMenuAction, eventKey, isOpen, store } = this.$props
this.$emit('titleClick', {
key: eventKey,
domEvent: e,
})
if (triggerSubMenuAction === 'hover') {
return
}
this.triggerOpenChange(!isOpen, 'click')
updateDefaultActiveFirst(store, eventKey, false)
},
onSubMenuClick (info) {
this.__emit('click', this.addKeyPath(info))
},
getPrefixCls () {
return `${this.$props.rootPrefixCls}-submenu`
},
getActiveClassName () {
return `${this.getPrefixCls()}-active`
},
getDisabledClassName () {
return `${this.getPrefixCls()}-disabled`
},
getSelectedClassName () {
return `${this.getPrefixCls()}-selected`
},
getOpenClassName () {
return `${this.$props.rootPrefixCls}-submenu-open`
},
saveMenuInstance (c) {
// children menu instance
this.menuInstance = c
},
addKeyPath (info) {
return {
...info,
keyPath: (info.keyPath || []).concat(this.$props.eventKey),
}
},
// triggerOpenChange (open, type) {
// const key = this.$props.eventKey
// this.__emit('openChange', {
// key,
// item: this,
// trigger: type,
// open,
// })
// },
triggerOpenChange (open, type) {
const key = this.$props.eventKey
const openChange = () => {
this.__emit('openChange', {
key,
item: this,
trigger: type,
open,
})
}
if (type === 'mouseenter') {
// make sure mouseenter happen after other menu item's mouseleave
this.mouseenterTimeout = requestAnimationTimeout(() => {
openChange()
}, 0)
} else {
openChange()
}
},
isChildrenSelected () {
const ret = { find: false }
loopMenuItemRecursively(this.$slots.default, this.$props.selectedKeys, ret)
return ret.find
},
// isOpen () {
// return this.$props.openKeys.indexOf(this.$props.eventKey) !== -1
// },
adjustWidth () {
/* istanbul ignore if */
if (!this.$refs.subMenuTitle || !this.menuInstance) {
return
}
const popupMenu = this.menuInstance.$el
if (popupMenu.offsetWidth >= this.$refs.subMenuTitle.offsetWidth) {
return
}
/* istanbul ignore next */
popupMenu.style.minWidth = `${this.$refs.subMenuTitle.offsetWidth}px`
},
renderChildren (children) {
const props = this.$props
const { select, deselect, openChange } = this.$listeners
const subPopupMenuProps = {
props: {
mode: props.mode === 'horizontal' ? 'vertical' : props.mode,
visible: props.isOpen,
level: props.level + 1,
inlineIndent: props.inlineIndent,
focusable: false,
selectedKeys: props.selectedKeys,
eventKey: `${props.eventKey}-menu-`,
openKeys: props.openKeys,
openTransitionName: props.openTransitionName,
openAnimation: props.openAnimation,
subMenuOpenDelay: props.subMenuOpenDelay,
parentMenu: this,
subMenuCloseDelay: props.subMenuCloseDelay,
forceSubMenuRender: props.forceSubMenuRender,
triggerSubMenuAction: props.triggerSubMenuAction,
builtinPlacements: props.builtinPlacements,
defaultActiveFirst: props.store.getState()
.defaultActiveFirst[getMenuIdFromSubMenuEventKey(props.eventKey)],
multiple: props.multiple,
prefixCls: props.rootPrefixCls,
manualRef: this.saveMenuInstance,
itemIcon: getComponentFromProp(this, 'itemIcon'),
expandIcon: getComponentFromProp(this, 'expandIcon'),
children,
},
on: {
click: this.onSubMenuClick,
select, deselect, openChange,
},
id: this._menuId,
}
const baseProps = subPopupMenuProps.props
const haveRendered = this.haveRendered
this.haveRendered = true
this.haveOpened = this.haveOpened || baseProps.visible || baseProps.forceSubMenuRender
// never rendered not planning to, don't render
if (!this.haveOpened) {
return <div />
}
// don't show transition on first rendering (no animation for opened menu)
// show appear transition if it's not visible (not sure why)
// show appear transition if it's not inline mode
const transitionAppear = haveRendered || !baseProps.visible || !baseProps.mode === 'inline'
subPopupMenuProps.class = ` ${baseProps.prefixCls}-sub`
let animProps = { appear: transitionAppear }
let transitionProps = {
props: animProps,
on: {},
}
if (baseProps.openTransitionName) {
transitionProps = getTransitionProps(baseProps.openTransitionName, { appear: transitionAppear })
} else if (typeof baseProps.openAnimation === 'object') {
animProps = { ...animProps, ...baseProps.openAnimation.props || {}}
if (!transitionAppear) {
animProps.appear = false
}
} else if (typeof baseProps.openAnimation === 'string') {
transitionProps = getTransitionProps(baseProps.openAnimation, { appear: transitionAppear })
}
if (typeof baseProps.openAnimation === 'object' && baseProps.openAnimation.on) {
transitionProps.on = { ...baseProps.openAnimation.on }
}
return <transition {...transitionProps}>
<SubPopupMenu v-show={props.isOpen} {...subPopupMenuProps}/>
</transition>
},
},
render (h) {
const props = this.$props
const { rootPrefixCls, parentMenu, $listeners = {}} = this
const isOpen = props.isOpen
const prefixCls = this.getPrefixCls()
const isInlineMode = props.mode === 'inline'
const className = {
[prefixCls]: true,
[`${prefixCls}-${props.mode}`]: true,
[this.getOpenClassName()]: isOpen,
[this.getActiveClassName()]: props.active || (isOpen && !isInlineMode),
[this.getDisabledClassName()]: props.disabled,
[this.getSelectedClassName()]: this.isChildrenSelected(),
}
if (!this._menuId) {
if (props.eventKey) {
this._menuId = `${props.eventKey}$Menu`
} else {
this._menuId = `$__$${++guid}$Menu`
}
}
let mouseEvents = {}
let titleClickEvents = {}
let titleMouseEvents = {}
if (!props.disabled) {
mouseEvents = {
mouseleave: this.onMouseLeave,
mouseenter: this.onMouseEnter,
}
// only works in title, not outer li
titleClickEvents = {
click: this.onTitleClick,
}
titleMouseEvents = {
mouseenter: this.onTitleMouseEnter,
mouseleave: this.onTitleMouseLeave,
}
}
const style = {}
if (isInlineMode) {
style.paddingLeft = `${props.inlineIndent * props.level}px`
}
let ariaOwns = {}
// only set aria-owns when menu is open
// otherwise it would be an invalid aria-owns value
// since corresponding node cannot be found
if (isOpen) {
ariaOwns = {
'aria-owns': this._menuId,
}
}
const titleProps = {
attrs: {
'aria-expanded': isOpen,
...ariaOwns,
'aria-haspopup': 'true',
title: typeof props.title === 'string' ? props.title : undefined,
},
on: {
...titleMouseEvents,
...titleClickEvents,
},
style,
class: `${prefixCls}-title`,
ref: 'subMenuTitle',
}
// expand custom icon should NOT be displayed in menu with horizontal mode.
let icon = null
if (props.mode !== 'horizontal') {
icon = getComponentFromProp(this, 'expandIcon', props)
}
const title = (
<div {...titleProps}>
{getComponentFromProp(this, 'title')}
{icon || <i class={`${prefixCls}-arrow`} />}
</div>
)
const children = this.renderChildren(filterEmpty(this.$slots.default))
const getPopupContainer = this.parentMenu.isRootMenu
? this.parentMenu.getPopupContainer : triggerNode => triggerNode.parentNode
const popupPlacement = popupPlacementMap[props.mode]
const popupAlign = props.popupOffset ? { offset: props.popupOffset } : {}
const popupClassName = props.mode === 'inline' ? '' : props.popupClassName
const liProps = {
on: { ...omit($listeners, ['click']), ...mouseEvents },
class: className,
}
return (
<li {...liProps} role='menuitem'>
{isInlineMode && title}
{isInlineMode && children}
{!isInlineMode && (
<Trigger
prefixCls={prefixCls}
popupClassName={`${prefixCls}-popup ${rootPrefixCls}-${parentMenu.theme} ${popupClassName || ''}`}
getPopupContainer={getPopupContainer}
builtinPlacements={placements}
builtinPlacements={Object.assign({}, placements, props.builtinPlacements)}
popupPlacement={popupPlacement}
popupVisible={isOpen}
popupAlign={popupAlign}
action={props.disabled ? [] : [props.triggerSubMenuAction]}
mouseEnterDelay={props.subMenuOpenDelay}
mouseLeaveDelay={props.subMenuCloseDelay}
onPopupVisibleChange={this.onPopupVisibleChange}
forceRender={props.forceSubMenuRender}
// popupTransitionName='rc-menu-open-slide-up'
// popupAnimation={transitionProps}
>
<template slot='popup'>
{children}
</template>
{title}
</Trigger>
)}
</li>
)
},
}
const connected = connect(({ openKeys, activeKey, selectedKeys }, { eventKey, subMenuKey }) => ({
isOpen: openKeys.indexOf(eventKey) > -1,
active: activeKey[subMenuKey] === eventKey,
selectedKeys,
}))(SubMenu)
connected.isSubMenu = true
export default connected