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403 lines
8.8 KiB
403 lines
8.8 KiB
2 years ago
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<template>
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<view class="uni-collapse-item">
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<!-- onClick(!isOpen) -->
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<view @click="onClick(!isOpen)" class="uni-collapse-item__title"
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:class="{'is-open':isOpen &&titleBorder === 'auto' ,'uni-collapse-item-border':titleBorder !== 'none'}">
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<view class="uni-collapse-item__title-wrap">
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<slot name="title">
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<view class="uni-collapse-item__title-box" :class="{'is-disabled':disabled}">
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<image v-if="thumb" :src="thumb" class="uni-collapse-item__title-img" />
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<text class="uni-collapse-item__title-text">{{ title }}</text>
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</view>
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</slot>
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</view>
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<view v-if="showArrow"
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:class="{ 'uni-collapse-item__title-arrow-active': isOpen, 'uni-collapse-item--animation': showAnimation === true }"
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class="uni-collapse-item__title-arrow">
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<uni-icons :color="disabled?'#ddd':'#bbb'" size="14" type="bottom" />
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</view>
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</view>
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<view class="uni-collapse-item__wrap" :class="{'is--transition':showAnimation}"
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:style="{height: (isOpen?height:0) +'px'}">
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<view :id="elId" ref="collapse--hook" class="uni-collapse-item__wrap-content"
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:class="{open:isheight,'uni-collapse-item--border':border&&isOpen}">
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<slot></slot>
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</view>
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</view>
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</view>
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</template>
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<script>
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// #ifdef APP-NVUE
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const dom = weex.requireModule('dom')
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// #endif
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/**
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* CollapseItem 折叠面板子组件
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* @description 折叠面板子组件
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* @property {String} title 标题文字
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* @property {String} thumb 标题左侧缩略图
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* @property {String} name 唯一标志符
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* @property {Boolean} open = [true|false] 是否展开组件
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* @property {Boolean} titleBorder = [true|false] 是否显示标题分隔线
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* @property {Boolean} border = [true|false] 是否显示分隔线
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* @property {Boolean} disabled = [true|false] 是否展开面板
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* @property {Boolean} showAnimation = [true|false] 开启动画
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* @property {Boolean} showArrow = [true|false] 是否显示右侧箭头
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*/
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export default {
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name: 'uniCollapseItem',
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props: {
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// 列表标题
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title: {
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type: String,
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default: ''
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},
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name: {
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type: [Number, String],
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default: ''
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},
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// 是否禁用
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disabled: {
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type: Boolean,
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default: false
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},
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// #ifdef APP-PLUS
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// 是否显示动画,app 端默认不开启动画，卡顿严重
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showAnimation: {
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type: Boolean,
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default: false
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},
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// #endif
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// #ifndef APP-PLUS
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// 是否显示动画
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showAnimation: {
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type: Boolean,
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default: true
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},
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// #endif
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// 是否展开
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open: {
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type: Boolean,
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default: false
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},
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// 缩略图
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thumb: {
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type: String,
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default: ''
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},
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// 标题分隔线显示类型
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titleBorder: {
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type: String,
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default: 'auto'
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},
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border: {
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type: Boolean,
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default: true
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},
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showArrow: {
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type: Boolean,
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default: true
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}
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},
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data() {
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// TODO 随机生生元素ID，解决百度小程序获取同一个元素位置信息的bug
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const elId = `Uni_${Math.ceil(Math.random() * 10e5).toString(36)}`
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return {
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isOpen: false,
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isheight: null,
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height: 0,
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elId,
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nameSync: 0
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}
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},
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watch: {
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open(val) {
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this.isOpen = val
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this.onClick(val, 'init')
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}
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},
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updated(e) {
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this.$nextTick(() => {
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this.init(true)
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})
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},
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created() {
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this.collapse = this.getCollapse()
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this.oldHeight = 0
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this.onClick(this.open, 'init')
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},
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// #ifndef VUE3
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// TODO vue2
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destroyed() {
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if (this.__isUnmounted) return
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this.uninstall()
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},
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// #endif
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// #ifdef VUE3
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// TODO vue3
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unmounted() {
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this.__isUnmounted = true
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this.uninstall()
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},
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// #endif
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mounted() {
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if (!this.collapse) return
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if (this.name !== '') {
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this.nameSync = this.name
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} else {
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this.nameSync = this.collapse.childrens.length + ''
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}
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if (this.collapse.names.indexOf(this.nameSync) === -1) {
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this.collapse.names.push(this.nameSync)
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} else {
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console.warn(`name 值 ${this.nameSync} 重复`);
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}
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if (this.collapse.childrens.indexOf(this) === -1) {
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this.collapse.childrens.push(this)
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}
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this.init()
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},
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methods: {
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init(type) {
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// #ifndef APP-NVUE
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this.getCollapseHeight(type)
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// #endif
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// #ifdef APP-NVUE
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this.getNvueHwight(type)
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// #endif
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},
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uninstall() {
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if (this.collapse) {
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this.collapse.childrens.forEach((item, index) => {
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if (item === this) {
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this.collapse.childrens.splice(index, 1)
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}
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})
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this.collapse.names.forEach((item, index) => {
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if (item === this.nameSync) {
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this.collapse.names.splice(index, 1)
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}
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})
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}
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},
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onClick(isOpen, type) {
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if (this.disabled) return
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this.isOpen = isOpen
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if (this.isOpen && this.collapse) {
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this.collapse.setAccordion(this)
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}
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if (type !== 'init') {
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this.collapse.onChange(isOpen, this)
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}
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},
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getCollapseHeight(type, index = 0) {
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const views = uni.createSelectorQuery().in(this)
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views
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.select(`#${this.elId}`)
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.fields({
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size: true
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}, data => {
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// TODO 百度中可能获取不到节点信息 ，需要循环获取
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if (index >= 10) return
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if (!data) {
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index++
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this.getCollapseHeight(false, index)
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return
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}
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// #ifdef APP-NVUE
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this.height = data.height + 1
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// #endif
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// #ifndef APP-NVUE
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this.height = data.height
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// #endif
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this.isheight = true
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if (type) return
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this.onClick(this.isOpen, 'init')
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})
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.exec()
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},
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getNvueHwight(type) {
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const result = dom.getComponentRect(this.$refs['collapse--hook'], option => {
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if (option && option.result && option.size) {
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// #ifdef APP-NVUE
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this.height = option.size.height + 1
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// #endif
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// #ifndef APP-NVUE
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this.height = option.size.height
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// #endif
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this.isheight = true
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if (type) return
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this.onClick(this.open, 'init')
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}
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})
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},
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/**
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* 获取父元素实例
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*/
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getCollapse(name = 'uniCollapse') {
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let parent = this.$parent;
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let parentName = parent.$options.name;
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while (parentName !== name) {
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parent = parent.$parent;
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if (!parent) return false;
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parentName = parent.$options.name;
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}
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return parent;
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}
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}
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}
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</script>
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<style lang="scss">
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.uni-collapse-item {
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/* #ifndef APP-NVUE */
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box-sizing: border-box;
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/* #endif */
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&__title {
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/* #ifndef APP-NVUE */
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display: flex;
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width: 100%;
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box-sizing: border-box;
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/* #endif */
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flex-direction: row;
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align-items: center;
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transition: border-bottom-color .3s;
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// transition-property: border-bottom-color;
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// transition-duration: 5s;
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&-wrap {
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width: 100%;
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flex: 1;
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}
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&-box {
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padding: 0 15px;
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/* #ifndef APP-NVUE */
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display: flex;
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width: 100%;
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box-sizing: border-box;
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/* #endif */
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flex-direction: row;
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justify-content: space-between;
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align-items: center;
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height: 48px;
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line-height: 48px;
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background-color: #fff;
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color: #303133;
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font-size: 13px;
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font-weight: 500;
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/* #ifdef H5 */
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cursor: pointer;
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outline: none;
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/* #endif */
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&.is-disabled {
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.uni-collapse-item__title-text {
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color: #999;
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}
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}
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}
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&.uni-collapse-item-border {
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border-bottom: 1px solid #ebeef5;
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}
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&.is-open {
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border-bottom-color: transparent;
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}
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&-img {
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height: 22px;
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width: 22px;
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margin-right: 10px;
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}
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&-text {
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flex: 1;
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font-size: 14px;
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/* #ifndef APP-NVUE */
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white-space: nowrap;
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color: inherit;
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/* #endif */
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/* #ifdef APP-NVUE */
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lines: 1;
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/* #endif */
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overflow: hidden;
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text-overflow: ellipsis;
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}
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&-arrow {
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/* #ifndef APP-NVUE */
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display: flex;
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box-sizing: border-box;
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/* #endif */
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align-items: center;
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justify-content: center;
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width: 20px;
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height: 20px;
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margin-right: 10px;
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transform: rotate(0deg);
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&-active {
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transform: rotate(-180deg);
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}
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}
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}
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&__wrap {
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/* #ifndef APP-NVUE */
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will-change: height;
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box-sizing: border-box;
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/* #endif */
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background-color: #fff;
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overflow: hidden;
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position: relative;
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height: 0;
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&.is--transition {
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// transition: all 0.3s;
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transition-property: height, border-bottom-width;
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transition-duration: 0.3s;
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/* #ifndef APP-NVUE */
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will-change: height;
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/* #endif */
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}
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&-content {
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position: absolute;
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font-size: 13px;
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color: #303133;
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// transition: height 0.3s;
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border-bottom-color: transparent;
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border-bottom-style: solid;
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border-bottom-width: 0;
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&.uni-collapse-item--border {
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border-bottom-width: 1px;
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border-bottom-color: red;
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border-bottom-color: #ebeef5;
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}
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&.open {
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position: relative;
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}
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}
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}
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&--animation {
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transition-property: transform;
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transition-duration: 0.3s;
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transition-timing-function: ease;
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}
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}
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</style>
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