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<template>
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<view class="u-drawdown">
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<view
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class="u-dropdown__menu"
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:style="{
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height: $u.addUnit(height)
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}"
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ref="u-dropdown__menu"
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>
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<view
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class="u-dropdown__menu__item"
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v-for="(item, index) in menuList"
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:key="index"
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@tap.stop="clickHandler(item, index)"
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>
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<view class="u-dropdown__menu__item__content">
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<text
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class="u-dropdown__menu__item__content__text"
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:style="[index === current ? activeStyle : inactiveStyle]"
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>{{item.title}}</text>
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<view
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class="u-dropdown__menu__item__content__arrow"
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:class="[index === current && 'u-dropdown__menu__item__content__arrow--rotate']"
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>
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<u-icon
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:name="menuIcon"
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:size="$u.addUnit(menuIconSize)"
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></u-icon>
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</view>
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</view>
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</view>
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</view>
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<view class="u-dropdown__content">
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<slot />
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</view>
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</view>
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</template>
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<script>
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import props from './props.js';
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/**
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* Dropdown
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* @description
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* @tutorial url
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* @property {String}
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* @event {Function}
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* @example
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*/
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export default {
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name: 'u-dropdown',
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mixins: [uni.$u.mixin, props],
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data() {
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return {
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// <EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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menuList: [],
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current: 0
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}
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},
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computed: {
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},
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created() {
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// <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(u-dropdown-item)<EFBFBD><EFBFBD>this<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>data<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ö<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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this.children = [];
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},
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methods: {
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clickHandler(item, index) {
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this.children.map(child => {
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if(child.title === item.title) {
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// this.queryRect('u-dropdown__menu').then(size => {
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child.$emit('click')
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child.setContentAnimate(child.show ? 0 : 300)
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child.show = !child.show
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// })
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} else {
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child.show = false
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child.setContentAnimate(0)
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}
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})
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},
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// <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǩ<EFBFBD>ijߴ<EFBFBD>λ<EFBFBD><EFBFBD>
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queryRect(el) {
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// #ifndef APP-NVUE
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// $uGetRectΪuView<EFBFBD>Դ<EFBFBD><EFBFBD>Ľڵ<EFBFBD><EFBFBD>ѯ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD>https://www.uviewui.com/js/getRect.html
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// <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>this.$uGetRect<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊthis.$u.getRect<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߹<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>£<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʋ<EFBFBD>ͬ
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return new Promise(resolve => {
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this.$uGetRect(`.${el}`).then(size => {
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resolve(size)
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})
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})
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// #endif
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// #ifdef APP-NVUE
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// nvue<EFBFBD>£<EFBFBD>ʹ<EFBFBD><EFBFBD>domģ<EFBFBD><EFBFBD><EFBFBD>ѯԪ<EFBFBD>ظ߶<EFBFBD>
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// <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>promise<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD>ô˷<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>then<EFBFBD>ص<EFBFBD>
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return new Promise(resolve => {
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dom.getComponentRect(this.$refs[el], res => {
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resolve(res.size)
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})
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})
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// #endif
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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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@import '../../libs/css/components.scss';
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.u-dropdown {
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&__menu {
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@include flex;
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&__item {
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flex: 1;
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@include flex;
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justify-content: center;
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&__content {
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@include flex;
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align-items: center;
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}
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}
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}
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}
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</style>
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