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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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