Files
2026-01-05 12:47:14 +08:00

172 lines
4.2 KiB
Vue

<script lang="ts" setup>
import { computed, defineComponent, ref, useSlots, watch } from 'vue'
import {
CHANGE_EVENT,
CLOSE_EVENT,
CLOSED_EVENT,
OPEN_EVENT,
OPENED_EVENT,
PREFIX,
UPDATE_MODEL_EVENT,
UPDATE_VISIBLE_EVENT,
} from '../_constants'
import { getMainClass } from '../_utils'
import NutCascaderItem from '../cascaderitem/cascaderitem.vue'
import NutPopup from '../popup/popup.vue'
import { cascaderEmits, cascaderProps } from './cascader'
import type { CascaderOption, CascaderValue } from './types'
const props = defineProps(cascaderProps)
const emit = defineEmits(cascaderEmits)
const slots = useSlots()
const innerValue = ref(props.modelValue as CascaderValue)
const innerVisible = computed({
get() {
return props.visible
},
set(value) {
emit(UPDATE_VISIBLE_EVENT, value)
},
})
const classes = computed(() => {
return getMainClass(props, componentName)
})
const popClasses = computed(() => {
return `${componentName}__popup ${props.popClass}`
})
const overlayClasses = computed(() => {
return `${componentName}__overlay ${props.overlayClass}`
})
function handleChange(value: CascaderValue, pathNodes: CascaderOption[]) {
innerValue.value = value
innerVisible.value = false
emit(UPDATE_MODEL_EVENT, value)
emit(CHANGE_EVENT, value, pathNodes)
}
function handlePathChange(pathNodes: CascaderOption[]) {
emit('pathChange', pathNodes)
}
function handleOpen() {
emit(OPEN_EVENT)
}
function handleOpened() {
emit(OPENED_EVENT)
}
function handleClose() {
emit(CLOSE_EVENT)
}
function handleClosed() {
emit(CLOSED_EVENT)
}
watch(() => props.modelValue, (value) => {
if (value !== innerValue.value) {
innerValue.value = value as CascaderValue
}
})
</script>
<script lang="ts">
const componentName = `${PREFIX}-cascader`
export default defineComponent({
name: componentName,
options: {
virtualHost: true,
addGlobalClass: true,
styleIsolation: 'shared',
},
})
</script>
<template>
<view :class="classes" :style="props.customStyle">
<template v-if="props.poppable">
<NutPopup
v-model:visible="innerVisible"
:custom-class="popClasses"
:custom-style="props.popStyle"
:overlay-class="overlayClasses"
:overlay-style="props.overlayStyle"
position="bottom"
round
:closeable="props.closeable"
:close-icon="props.closeIcon"
:close-icon-position="props.closeIconPosition"
:z-index="props.zIndex"
:lock-scroll="props.lockScroll"
:overlay="props.overlay"
:close-on-click-overlay="props.closeOnClickOverlay"
:destroy-on-close="false"
@open="handleOpen"
@opened="handleOpened"
@close="handleClose"
@closed="handleClosed"
>
<slot v-if="slots.title" name="title" />
<template v-else>
<rich-text v-if="props.title" class="nut-cascader__bar" :nodes="props.title" />
</template>
<NutCascaderItem
:model-value="innerValue"
:visible="innerVisible"
:options="props.options"
:lazy="props.lazy"
:lazy-load="props.lazyLoad"
:value-key="props.valueKey"
:text-key="props.textKey"
:children-key="props.childrenKey"
:convert-config="props.convertConfig"
:title-type="props.titleType"
:title-size="props.titleSize"
:title-gutter="props.titleGutter"
:title-ellipsis="props.titleEllipsis"
@change="handleChange"
@path-change="handlePathChange"
/>
</NutPopup>
</template>
<template v-else>
<NutCascaderItem
:model-value="innerValue"
:visible="innerVisible"
:options="props.options"
:lazy="props.lazy"
:lazy-load="props.lazyLoad"
:value-key="props.valueKey"
:text-key="props.textKey"
:children-key="props.childrenKey"
:convert-config="props.convertConfig"
:title-type="props.titleType"
:title-size="props.titleSize"
:title-gutter="props.titleGutter"
:title-ellipsis="props.titleEllipsis"
@change="handleChange"
@path-change="handlePathChange"
/>
</template>
</view>
</template>
<style lang="scss">
@import "./index";
@import "../popup/index";
</style>