ant-design-vue/components/vc-select/SelectTrigger.jsx

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import classnames from 'classnames'
import Trigger from '../trigger'
import PropTypes from '../_util/vue-types'
import DropdownMenu from './DropdownMenu'
import { isSingleMode } from './util'
import BaseMixin from '../_util/BaseMixin'
const BUILT_IN_PLACEMENTS = {
bottomLeft: {
points: ['tl', 'bl'],
offset: [0, 4],
overflow: {
adjustX: 0,
adjustY: 1,
},
},
topLeft: {
points: ['bl', 'tl'],
offset: [0, -4],
overflow: {
adjustX: 0,
adjustY: 1,
},
},
}
export default {
name: 'SelectTrigger',
mixins: [BaseMixin],
props: {
// onPopupFocus: PropTypes.func,
// onPopupScroll: PropTypes.func,
dropdownMatchSelectWidth: PropTypes.bool,
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defaultActiveFirstOption: PropTypes.bool,
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dropdownAlign: PropTypes.object,
visible: PropTypes.bool,
disabled: PropTypes.bool,
showSearch: PropTypes.bool,
dropdownClassName: PropTypes.string,
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dropdownStyle: PropTypes.object,
dropdownMenuStyle: PropTypes.object,
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multiple: PropTypes.bool,
inputValue: PropTypes.string,
filterOption: PropTypes.any,
options: PropTypes.any,
prefixCls: PropTypes.string,
popupClassName: PropTypes.string,
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value: PropTypes.array,
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// children: PropTypes.any,
showAction: PropTypes.arrayOf(PropTypes.string),
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combobox: PropTypes.bool,
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animation: PropTypes.string,
transitionName: PropTypes.string,
getPopupContainer: PropTypes.func,
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},
data () {
return {
dropdownWidth: null,
}
},
mounted () {
this.$nextTick(() => {
this.setDropdownWidth()
})
},
updated () {
this.$nextTick(() => {
this.setDropdownWidth()
})
},
methods: {
setDropdownWidth () {
const width = this.$el.offsetWidth
if (width !== this.dropdownWidth) {
this.setState({ dropdownWidth: width })
}
},
getInnerMenu () {
return this.$refs.dropdownMenuRef && this.$refs.dropdownMenuRef.$refs.menuRef
},
getPopupDOMNode () {
return this.$refs.triggerRef.getPopupDomNode()
},
getDropdownElement (newProps) {
const {
value, firstActiveValue, defaultActiveFirstOption,
dropdownMenuStyle, getDropdownPrefixCls,
} = this
const { menuSelect, menuDeselect, popupScroll } = this.$listeners
const dropdownMenuProps = {
props: {
...newProps.props,
prefixCls: getDropdownPrefixCls(),
value, firstActiveValue, defaultActiveFirstOption, dropdownMenuStyle,
},
on: {
...newProps.on,
menuSelect,
menuDeselect,
popupScroll,
},
ref: 'dropdownMenuRef',
}
return (
<DropdownMenu {...dropdownMenuProps} />
)
},
getDropdownTransitionName () {
const props = this.$props
let transitionName = props.transitionName
if (!transitionName && props.animation) {
transitionName = `${this.getDropdownPrefixCls()}-${props.animation}`
}
return transitionName
},
getDropdownPrefixCls () {
return `${this.prefixCls}-dropdown`
},
},
render () {
const { $props, $slots, $listeners } = this
const {
multiple,
visible,
inputValue,
dropdownAlign,
disabled,
showSearch,
dropdownClassName,
dropdownStyle,
dropdownMatchSelectWidth,
options,
getPopupContainer,
showAction,
} = $props
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const { mouseenter, mouseleave, popupFocus, dropdownVisibleChange } = $listeners
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const dropdownPrefixCls = this.getDropdownPrefixCls()
const popupClassName = {
[dropdownClassName]: !!dropdownClassName,
[`${dropdownPrefixCls}--${multiple ? 'multiple' : 'single'}`]: 1,
}
const popupElement = this.getDropdownElement({
props: {
menuItems: options,
multiple,
inputValue,
visible,
}, on: {
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popupFocus,
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},
})
let hideAction
if (disabled) {
hideAction = []
} else if (isSingleMode($props) && !showSearch) {
hideAction = ['click']
} else {
hideAction = ['blur']
}
const popupStyle = { ...dropdownStyle }
const widthProp = dropdownMatchSelectWidth ? 'width' : 'minWidth'
if (this.dropdownWidth) {
popupStyle[widthProp] = `${this.dropdownWidth}px`
}
const triggerProps = {
props: {
...$props,
showAction: disabled ? [] : showAction,
hideAction,
ref: 'triggerRef',
popupPlacement: 'bottomLeft',
builtinPlacements: BUILT_IN_PLACEMENTS,
prefixCls: dropdownPrefixCls,
popupTransitionName: this.getDropdownTransitionName(),
popupAlign: dropdownAlign,
popupVisible: visible,
getPopupContainer,
popupClassName: classnames(popupClassName),
popupStyle,
},
on: {
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popupVisibleChange: dropdownVisibleChange,
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},
ref: 'triggerRef',
}
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if (mouseenter) {
triggerProps.on.mouseenter = mouseenter
}
if (mouseleave) {
triggerProps.on.mouseleave = mouseleave
}
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return (
<Trigger {...triggerProps}>
{$slots.default}
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<template slot='popup'>
{popupElement}
</template>
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</Trigger>
)
},
}