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68 lines
1.5 KiB
68 lines
1.5 KiB
<template>
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<view
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class="uv-vtabs-item"
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:id="`content_${index}`"
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ref="uv-vtabs-item"
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>
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<slot />
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</view>
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</template>
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<script>
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import mpMixin from '@/uni_modules/uv-ui-tools/libs/mixin/mpMixin.js';
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import mixin from '@/uni_modules/uv-ui-tools/libs/mixin/mixin.js';
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// #ifdef APP-NVUE
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const dom = uni.requireNativePlugin('dom');
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// #endif
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export default {
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name: 'uv-vtabs-item',
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mixins: [mpMixin, mixin],
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props: {
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index: {
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type: [Number,String],
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default: 0
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}
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},
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data(){
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return {
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// 记录item的离顶部的距离
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top: 0,
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// 记录item的高度
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height: 0
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// 是否为联动
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}
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},
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mounted() {
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this.init();
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},
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methods: {
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async init(){
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this.getParentData('uv-vtabs');
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if (!this.parent) {
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return this.$uv.error('uv-vtabs必须要搭配uv-vtabs-item组件使用')
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}
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if(!this.parent.chain) return;
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await this.$uv.sleep();
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this.getItemRect().then(size=>{
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// 由于对象的引用特性，此处会同时生效到父组件的children数组的本实例的top属性中，供父组件判断读取
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this.top = size.top;
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this.height = size.height;
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});
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},
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getItemRect(){
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return new Promise(resolve => {
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// #ifndef APP-NVUE
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this.$uvGetRect('.uv-vtabs-item').then(size => {
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resolve(size)
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})
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// #endif
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// #ifdef APP-NVUE
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const ref = this.$refs['uv-vtabs-item']
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dom.getComponentRect(ref, res => {
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resolve(res.size)
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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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}
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</script>
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