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Popover.vue
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Popover.vue
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<template>
<!-- eslint-disable-next-line vue/no-template-shadow -->
<HPopover ref="popover" v-slot="{ open, close }" :class="ui.wrapper" v-bind="attrs" @mouseleave="onMouseLeave">
<HPopoverButton
ref="trigger"
as="div"
:disabled="disabled"
:class="ui.trigger"
role="button"
@mouseover="onMouseOver"
>
<slot :open="open" :close="close">
<button :disabled="disabled">
Open
</button>
</slot>
</HPopoverButton>
<Transition v-if="overlay" appear v-bind="ui.overlay.transition">
<div v-if="open" :class="[ui.overlay.base, ui.overlay.background]" />
</Transition>
<div v-if="open" ref="container" :class="[ui.container, ui.width]" :style="containerStyle" @mouseover="onMouseOver">
<Transition appear v-bind="ui.transition">
<div>
<div v-if="popper.arrow" data-popper-arrow :class="Object.values(ui.arrow)" />
<HPopoverPanel :class="[ui.base, ui.background, ui.ring, ui.rounded, ui.shadow]" static>
<slot name="panel" :open="open" :close="close" />
</HPopoverPanel>
</div>
</Transition>
</div>
</HPopover>
</template>
<script lang="ts">
import { computed, ref, toRef, onMounted, defineComponent, watch } from 'vue'
import type { PropType } from 'vue'
import { defu } from 'defu'
import { Popover as HPopover, PopoverButton as HPopoverButton, PopoverPanel as HPopoverPanel, provideUseId } from '@headlessui/vue'
import { useUI } from '../../composables/useUI'
import { usePopper } from '../../composables/usePopper'
import { mergeConfig } from '../../utils'
import type { PopperOptions, Strategy } from '../../types'
// @ts-expect-error
import appConfig from '#build/app.config'
import { popover } from '#ui/ui.config'
import { useId } from '#imports'
const config = mergeConfig<typeof popover>(appConfig.ui.strategy, appConfig.ui.popover, popover)
export default defineComponent({
components: {
HPopover,
HPopoverButton,
HPopoverPanel
},
inheritAttrs: false,
props: {
mode: {
type: String as PropType<'click' | 'hover'>,
default: 'click',
validator: (value: string) => ['click', 'hover'].includes(value)
},
open: {
type: Boolean,
default: undefined
},
disabled: {
type: Boolean,
default: false
},
openDelay: {
type: Number,
default: () => config.default.openDelay
},
closeDelay: {
type: Number,
default: () => config.default.closeDelay
},
overlay: {
type: Boolean,
default: false
},
popper: {
type: Object as PropType<PopperOptions>,
default: () => ({})
},
class: {
type: [String, Object, Array] as PropType<any>,
default: () => ''
},
ui: {
type: Object as PropType<Partial<typeof config> & { strategy?: Strategy }>,
default: () => ({})
}
},
emits: ['update:open'],
setup (props, { emit }) {
const { ui, attrs } = useUI('popover', toRef(props, 'ui'), config, toRef(props, 'class'))
const popper = computed<PopperOptions>(() => defu(props.mode === 'hover' ? { offsetDistance: 0 } : {}, props.popper, ui.value.popper as PopperOptions))
const [trigger, container] = usePopper(popper.value)
const popover = ref<any>(null)
// https://github.com/tailwindlabs/headlessui/blob/f66f4926c489fc15289d528294c23a3dc2aee7b1/packages/%40headlessui-vue/src/components/popover/popover.ts#L151
const popoverApi = ref<any>(null)
let openTimeout: NodeJS.Timeout | null = null
let closeTimeout: NodeJS.Timeout | null = null
onMounted(() => {
const popoverProvides = popover.value?.$.provides
if (!popoverProvides) {
return
}
const popoverProvidesSymbols = Object.getOwnPropertySymbols(popoverProvides)
popoverApi.value = popoverProvidesSymbols.length && popoverProvides[popoverProvidesSymbols[0]]
if (props.open) {
popoverApi.value?.togglePopover()
}
})
const containerStyle = computed(() => {
if (props.mode !== 'hover') {
return {}
}
const offsetDistance = (props.popper as PopperOptions)?.offsetDistance || (ui.value.popper as PopperOptions)?.offsetDistance || 8
const placement = popper.value.placement?.split('-')[0]
const padding = `${offsetDistance}px`
if (placement === 'top' || placement === 'bottom') {
return {
paddingTop: padding,
paddingBottom: padding
}
} else if (placement === 'left' || placement === 'right') {
return {
paddingLeft: padding,
paddingRight: padding
}
} else {
return {
paddingTop: padding,
paddingBottom: padding,
paddingLeft: padding,
paddingRight: padding
}
}
})
function onMouseOver () {
if (props.mode !== 'hover' || !popoverApi.value) {
return
}
// cancel programmed closing
if (closeTimeout) {
clearTimeout(closeTimeout)
closeTimeout = null
}
// dropdown already open
if (popoverApi.value.popoverState === 0) {
return
}
const currentState = popoverApi.value.popoverState;
openTimeout = openTimeout || setTimeout(() => {
popoverApi.value.togglePopover && popoverApi.value.togglePopover();
if (popoverApi.value.popoverState === currentState) {
popoverApi.value.popoverState = popoverApi.value.popoverState === 0 ? 1 : 0;
}
openTimeout = null;
}, props.openDelay);
}
function onMouseLeave () {
if (props.mode !== 'hover' || !popoverApi.value) {
return
}
// cancel programmed opening
if (openTimeout) {
clearTimeout(openTimeout)
openTimeout = null
}
// dropdown already closed
if (popoverApi.value.popoverState === 1) {
return
}
closeTimeout = closeTimeout || setTimeout(() => {
popoverApi.value.closePopover && popoverApi.value.closePopover()
closeTimeout = null
}, props.closeDelay)
}
watch(() => props.open, (newValue: boolean, oldValue: boolean) => {
if (!popoverApi.value) return
if (oldValue === undefined || newValue === oldValue) return
if (newValue) {
// No `openPopover` method and `popoverApi.value.togglePopover` won't work because of the `watch` below
popoverApi.value.popoverState = 0
} else {
popoverApi.value.closePopover()
}
})
watch(() => popoverApi.value?.popoverState, (newValue: number, oldValue: number) => {
if (oldValue === undefined || newValue === oldValue) return
emit('update:open', newValue === 0)
})
provideUseId(() => useId())
return {
// eslint-disable-next-line vue/no-dupe-keys
ui,
attrs,
popover,
// eslint-disable-next-line vue/no-dupe-keys
popper,
trigger,
container,
containerStyle,
onMouseOver,
onMouseLeave
}
}
})
</script>