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151 lines
3.7 KiB
Vue

<template>
<view :style="customStyle" :class="`wd-drop-menu ${customClass}`" @click.stop="noop">
<view class="wd-drop-menu__list">
<view
v-for="(child, index) in children"
:key="index"
@click="toggle(child)"
:class="`wd-drop-menu__item ${child.disabled ? 'is-disabled' : ''} ${currentUid === child.$.uid ? 'is-active' : ''}`"
>
<view class="wd-drop-menu__item-title">
<view class="wd-drop-menu__item-title-text">{{ getDisplayTitle(child) }}</view>
<wd-icon name="arrow-down" size="14px" custom-class="wd-drop-menu__arrow" />
</view>
</view>
</view>
<slot />
</view>
</template>
<script lang="ts">
export default {
name: 'wd-drop-menu',
options: {
virtualHost: true,
addGlobalClass: true,
styleIsolation: 'shared'
}
}
</script>
<script lang="ts" setup>
import { getCurrentInstance, inject, onBeforeMount, ref, watch } from 'vue'
import { closeOther } from '../common/clickoutside'
import { type Queue, queueKey } from '../composables/useQueue'
import { getRect } from '../common/util'
import { useChildren } from '../composables/useChildren'
import { DROP_MENU_KEY } from './types'
type DropDirction = 'up' | 'down'
interface Props {
customClass?: string
customStyle?: string
zIndex?: number
direction?: DropDirction
modal?: boolean
closeOnClickModal?: boolean
duration?: number
}
const props = withDefaults(defineProps<Props>(), {
customClass: '',
customStyle: '',
zIndex: 12,
direction: 'down',
modal: true,
closeOnClickModal: true,
duration: 200
})
const queue = inject<Queue | null>(queueKey, null)
// -1表示折叠
const currentUid = ref<number | null>(null)
const offset = ref<number>(0)
const windowHeight = ref<number>(0)
const { proxy } = getCurrentInstance() as any
const { linkChildren, children } = useChildren(DROP_MENU_KEY)
linkChildren({ props, fold, offset })
watch(
() => props.direction,
(newValue) => {
if (newValue !== 'up' && newValue !== 'down') {
// eslint-disable-next-line quotes
console.error("[wot design] warning(wd-drop-menu): direction must be 'up' or 'down'")
}
},
{ deep: true, immediate: true }
)
onBeforeMount(() => {
windowHeight.value = uni.getSystemInfoSync().windowHeight
})
function noop(event: Event) {
event.preventDefault()
event.stopPropagation()
}
function getDisplayTitle(child: any) {
const { title, modelValue, options, valueKey, labelKey } = child
if (title) {
return title
}
for (let i = 0, len = options.length; i < len; i++) {
if (modelValue === options[i][valueKey]) {
return options[i][labelKey]
}
}
console.error('[wot-design] warning(wd-drop-menu-item): no value is matched in the options option.')
}
function toggle(child: any) {
// 点击当前 menu, 关闭其他 menu
if (child && !child.disabled) {
if (queue && queue.closeOther) {
queue.closeOther(child)
} else {
closeOther(child)
}
fold(child)
}
}
/**
* 控制菜单内容是否展开
*/
function fold(child?: any) {
currentUid.value = child ? child.$.uid : null
if (!child) {
children.forEach((item) => {
item.$.exposed!.setShowPop(false)
})
return
}
getRect('.wd-drop-menu', false, proxy).then((rect: any) => {
if (!rect) return
const { top, bottom } = rect
if (props.direction === 'down') {
offset.value = bottom
} else {
offset.value = windowHeight.value - top
}
// 选中当前关掉其他的
children.forEach((item) => {
if (child.$.uid === item.$.uid) {
item.$.exposed!.open()
} else {
item.$.exposed!.setShowPop(false)
}
})
})
}
</script>
<style lang="scss" scoped>
@import './index.scss';
</style>