mirror of
https://gitee.com/ant-design-vue/ant-design-vue.git
synced 2024-12-04 13:08:48 +08:00
323 lines
10 KiB
JavaScript
323 lines
10 KiB
JavaScript
|
|
import PropTypes from '../_util/vue-types'
|
|
import Trigger from '../trigger'
|
|
import Menus from './Menus'
|
|
import KeyCode from '../_util/KeyCode'
|
|
import arrayTreeFilter from 'array-tree-filter'
|
|
import shallowEqualArrays from 'shallow-equal/arrays'
|
|
import { hasProp, getEvents } from '../_util/props-util'
|
|
import BaseMixin from '../_util/BaseMixin'
|
|
import { cloneElement } from '../_util/vnode'
|
|
|
|
const BUILT_IN_PLACEMENTS = {
|
|
bottomLeft: {
|
|
points: ['tl', 'bl'],
|
|
offset: [0, 4],
|
|
overflow: {
|
|
adjustX: 1,
|
|
adjustY: 1,
|
|
},
|
|
},
|
|
topLeft: {
|
|
points: ['bl', 'tl'],
|
|
offset: [0, -4],
|
|
overflow: {
|
|
adjustX: 1,
|
|
adjustY: 1,
|
|
},
|
|
},
|
|
bottomRight: {
|
|
points: ['tr', 'br'],
|
|
offset: [0, 4],
|
|
overflow: {
|
|
adjustX: 1,
|
|
adjustY: 1,
|
|
},
|
|
},
|
|
topRight: {
|
|
points: ['br', 'tr'],
|
|
offset: [0, -4],
|
|
overflow: {
|
|
adjustX: 1,
|
|
adjustY: 1,
|
|
},
|
|
},
|
|
}
|
|
|
|
export default {
|
|
props: {
|
|
value: PropTypes.array,
|
|
defaultValue: PropTypes.array,
|
|
options: PropTypes.array.def([]).isRequired,
|
|
// onChange: PropTypes.func,
|
|
// onPopupVisibleChange: PropTypes.func,
|
|
popupVisible: PropTypes.bool,
|
|
disabled: PropTypes.bool.def(false),
|
|
transitionName: PropTypes.string.def(''),
|
|
popupClassName: PropTypes.string.def(''),
|
|
popupStyle: PropTypes.object.def({}),
|
|
popupPlacement: PropTypes.string.def('bottomLeft'),
|
|
prefixCls: PropTypes.string.def('rc-cascader'),
|
|
dropdownMenuColumnStyle: PropTypes.object,
|
|
builtinPlacements: PropTypes.object.def(BUILT_IN_PLACEMENTS),
|
|
loadData: PropTypes.func,
|
|
changeOnSelect: PropTypes.bool,
|
|
// onKeyDown: PropTypes.func,
|
|
expandTrigger: PropTypes.string.def('click'),
|
|
},
|
|
mixins: [BaseMixin],
|
|
model: {
|
|
prop: 'value',
|
|
event: 'change',
|
|
},
|
|
data () {
|
|
let initialValue = []
|
|
const { value, defaultValue, popupVisible } = this
|
|
if (hasProp(this, 'value')) {
|
|
initialValue = value || []
|
|
} else if (hasProp(this, 'defaultValue')) {
|
|
initialValue = defaultValue || []
|
|
}
|
|
return {
|
|
sPopupVisible: popupVisible,
|
|
sActiveValue: initialValue,
|
|
sValue: initialValue,
|
|
}
|
|
},
|
|
watch: {
|
|
value (val, oldValue) {
|
|
if (!shallowEqualArrays(val, oldValue)) {
|
|
const newValues = {
|
|
value: oldValue || [],
|
|
activeValue: oldValue || [],
|
|
}
|
|
// allow activeValue diff from value
|
|
// https://github.com/ant-design/ant-design/issues/2767
|
|
if (hasProp(this, 'loadData')) {
|
|
delete newValues.activeValue
|
|
}
|
|
this.setState(newValues)
|
|
}
|
|
},
|
|
popupVisible (val) {
|
|
this.setState({
|
|
sPopupVisible: val,
|
|
})
|
|
},
|
|
},
|
|
methods: {
|
|
getPopupDOMNode () {
|
|
return this.$refs.trigger.getPopupDomNode()
|
|
},
|
|
getCurrentLevelOptions () {
|
|
const { options, sActiveValue = [] } = this
|
|
const result = arrayTreeFilter(options, (o, level) => o.value === sActiveValue[level])
|
|
if (result[result.length - 2]) {
|
|
return result[result.length - 2].children
|
|
}
|
|
return [...options].filter(o => !o.disabled)
|
|
},
|
|
getActiveOptions (activeValue) {
|
|
return arrayTreeFilter(this.options, (o, level) => o.value === activeValue[level])
|
|
},
|
|
setPopupVisible (popupVisible) {
|
|
if (!hasProp(this, 'popupVisible')) {
|
|
this.setState({ sPopupVisible: popupVisible })
|
|
}
|
|
// sync activeValue with value when panel open
|
|
if (popupVisible && !this.sVisible) {
|
|
this.setState({
|
|
sActiveValue: this.sValue,
|
|
})
|
|
}
|
|
this.__emit('popupVisibleChange', popupVisible)
|
|
},
|
|
handleChange (options, setProps, e) {
|
|
if (e.type !== 'keydown' || e.keyCode === KeyCode.ENTER) {
|
|
this.__emit('change', options.map(o => o.value), options)
|
|
this.setPopupVisible(setProps.visible)
|
|
}
|
|
},
|
|
handlePopupVisibleChange (popupVisible) {
|
|
this.setPopupVisible(popupVisible)
|
|
},
|
|
handleMenuSelect (targetOption, menuIndex, e) {
|
|
// Keep focused state for keyboard support
|
|
const triggerNode = this.$refs.trigger.getRootDomNode()
|
|
if (triggerNode && triggerNode.focus) {
|
|
triggerNode.focus()
|
|
}
|
|
const { changeOnSelect, loadData, expandTrigger } = this
|
|
if (!targetOption || targetOption.disabled) {
|
|
return
|
|
}
|
|
let { sActiveValue } = this
|
|
sActiveValue = sActiveValue.slice(0, menuIndex + 1)
|
|
sActiveValue[menuIndex] = targetOption.value
|
|
const activeOptions = this.getActiveOptions(sActiveValue)
|
|
if (targetOption.isLeaf === false && !targetOption.children && loadData) {
|
|
if (changeOnSelect) {
|
|
this.handleChange(activeOptions, { visible: true }, e)
|
|
}
|
|
this.setState({ sActiveValue })
|
|
loadData(activeOptions)
|
|
return
|
|
}
|
|
const newState = {}
|
|
if (!targetOption.children || !targetOption.children.length) {
|
|
this.handleChange(activeOptions, { visible: false }, e)
|
|
// set value to activeValue when select leaf option
|
|
newState.sValue = sActiveValue
|
|
// add e.type judgement to prevent `onChange` being triggered by mouseEnter
|
|
} else if (changeOnSelect && (e.type === 'click' || e.type === 'keydown')) {
|
|
if (expandTrigger === 'hover') {
|
|
this.handleChange(activeOptions, { visible: false }, e)
|
|
} else {
|
|
this.handleChange(activeOptions, { visible: true }, e)
|
|
}
|
|
// set value to activeValue on every select
|
|
newState.sValue = sActiveValue
|
|
}
|
|
newState.sActiveValue = sActiveValue
|
|
// not change the value by keyboard
|
|
if (hasProp(this, 'value') ||
|
|
(e.type === 'keydown' && e.keyCode !== KeyCode.ENTER)) {
|
|
delete newState.sValue
|
|
}
|
|
this.setState(newState)
|
|
},
|
|
handleKeyDown (e) {
|
|
const { $slots } = this
|
|
const children = $slots.default && $slots.default[0]
|
|
// https://github.com/ant-design/ant-design/issues/6717
|
|
// Don't bind keyboard support when children specify the onKeyDown
|
|
if (children) {
|
|
const keydown = getEvents(children).keydown
|
|
if (keydown) {
|
|
keydown(e)
|
|
return
|
|
}
|
|
}
|
|
const activeValue = [...this.sActiveValue]
|
|
const currentLevel = activeValue.length - 1 < 0 ? 0 : activeValue.length - 1
|
|
const currentOptions = this.getCurrentLevelOptions()
|
|
const currentIndex = currentOptions.map(o => o.value).indexOf(activeValue[currentLevel])
|
|
if (e.keyCode !== KeyCode.DOWN &&
|
|
e.keyCode !== KeyCode.UP &&
|
|
e.keyCode !== KeyCode.LEFT &&
|
|
e.keyCode !== KeyCode.RIGHT &&
|
|
e.keyCode !== KeyCode.ENTER &&
|
|
e.keyCode !== KeyCode.BACKSPACE &&
|
|
e.keyCode !== KeyCode.ESC) {
|
|
return
|
|
}
|
|
// Press any keys above to reopen menu
|
|
if (!this.sPopupVisible &&
|
|
e.keyCode !== KeyCode.BACKSPACE &&
|
|
e.keyCode !== KeyCode.LEFT &&
|
|
e.keyCode !== KeyCode.RIGHT &&
|
|
e.keyCode !== KeyCode.ESC) {
|
|
this.setPopupVisible(true)
|
|
return
|
|
}
|
|
if (e.keyCode === KeyCode.DOWN || e.keyCode === KeyCode.UP) {
|
|
let nextIndex = currentIndex
|
|
if (nextIndex !== -1) {
|
|
if (e.keyCode === KeyCode.DOWN) {
|
|
nextIndex += 1
|
|
nextIndex = nextIndex >= currentOptions.length ? 0 : nextIndex
|
|
} else {
|
|
nextIndex -= 1
|
|
nextIndex = nextIndex < 0 ? currentOptions.length - 1 : nextIndex
|
|
}
|
|
} else {
|
|
nextIndex = 0
|
|
}
|
|
activeValue[currentLevel] = currentOptions[nextIndex].value
|
|
} else if (e.keyCode === KeyCode.LEFT || e.keyCode === KeyCode.BACKSPACE) {
|
|
activeValue.splice(activeValue.length - 1, 1)
|
|
} else if (e.keyCode === KeyCode.RIGHT) {
|
|
if (currentOptions[currentIndex] && currentOptions[currentIndex].children) {
|
|
activeValue.push(currentOptions[currentIndex].children[0].value)
|
|
}
|
|
} else if (e.keyCode === KeyCode.ESC) {
|
|
this.setPopupVisible(false)
|
|
return
|
|
}
|
|
if (!activeValue || activeValue.length === 0) {
|
|
this.setPopupVisible(false)
|
|
}
|
|
const activeOptions = this.getActiveOptions(activeValue)
|
|
const targetOption = activeOptions[activeOptions.length - 1]
|
|
this.handleMenuSelect(targetOption, activeOptions.length - 1, e)
|
|
this.__emit('keydown', e)
|
|
},
|
|
},
|
|
|
|
render () {
|
|
const {
|
|
$props, $slots, sValue, sActiveValue, handleMenuSelect,
|
|
sPopupVisible, handlePopupVisibleChange, handleKeyDown,
|
|
} = this
|
|
const {
|
|
prefixCls, transitionName, popupClassName, options, disabled,
|
|
builtinPlacements, popupPlacement, ...restProps } = $props
|
|
// Did not show popup when there is no options
|
|
let menus = <div />
|
|
let emptyMenuClassName = ''
|
|
if (options && options.length > 0) {
|
|
const menusProps = {
|
|
props: {
|
|
...$props,
|
|
value: sValue,
|
|
activeValue: sActiveValue,
|
|
visible: sPopupVisible,
|
|
},
|
|
on: {
|
|
select: handleMenuSelect,
|
|
},
|
|
}
|
|
menus = (
|
|
<Menus
|
|
{...menusProps}
|
|
/>
|
|
)
|
|
} else {
|
|
emptyMenuClassName = ` ${prefixCls}-menus-empty`
|
|
}
|
|
const triggerProps = {
|
|
props: {
|
|
...restProps,
|
|
disabled: disabled,
|
|
popupPlacement: popupPlacement,
|
|
builtinPlacements: builtinPlacements,
|
|
popupTransitionName: transitionName,
|
|
action: disabled ? [] : ['click'],
|
|
popupVisible: disabled ? false : sPopupVisible,
|
|
prefixCls: `${prefixCls}-menus`,
|
|
popupClassName: popupClassName + emptyMenuClassName,
|
|
},
|
|
on: {
|
|
popupVisibleChange: handlePopupVisibleChange,
|
|
},
|
|
ref: 'trigger',
|
|
}
|
|
return (
|
|
<Trigger {...triggerProps}>
|
|
{$slots.default && cloneElement($slots.default[0], {
|
|
on: {
|
|
keydown: handleKeyDown,
|
|
},
|
|
attrs: {
|
|
tabIndex: disabled ? undefined : 0,
|
|
},
|
|
})}
|
|
<template slot='popup'>
|
|
{menus}
|
|
</template>
|
|
</Trigger>
|
|
)
|
|
},
|
|
}
|
|
|