You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
127 lines
2.6 KiB
127 lines
2.6 KiB
<template>
|
|
<view class="u-drawdown">
|
|
<view
|
|
class="u-dropdown__menu"
|
|
:style="{
|
|
height: $u.addUnit(height)
|
|
}"
|
|
ref="u-dropdown__menu"
|
|
>
|
|
<view
|
|
class="u-dropdown__menu__item"
|
|
v-for="(item, index) in menuList"
|
|
:key="index"
|
|
@tap.stop="clickHandler(item, index)"
|
|
>
|
|
<view class="u-dropdown__menu__item__content">
|
|
<text
|
|
class="u-dropdown__menu__item__content__text"
|
|
:style="[index === current ? activeStyle : inactiveStyle]"
|
|
>{{item.title}}</text>
|
|
<view
|
|
class="u-dropdown__menu__item__content__arrow"
|
|
:class="[index === current && 'u-dropdown__menu__item__content__arrow--rotate']"
|
|
>
|
|
<u-icon
|
|
:name="menuIcon"
|
|
:size="$u.addUnit(menuIconSize)"
|
|
></u-icon>
|
|
</view>
|
|
</view>
|
|
</view>
|
|
</view>
|
|
<view class="u-dropdown__content">
|
|
<slot />
|
|
</view>
|
|
</view>
|
|
</template>
|
|
|
|
<script>
|
|
import props from './props.js';
|
|
/**
|
|
* Dropdown
|
|
* @description
|
|
* @tutorial url
|
|
* @property {String}
|
|
* @event {Function}
|
|
* @example
|
|
*/
|
|
export default {
|
|
name: 'u-dropdown',
|
|
mixins: [uni.$u.mixin, props],
|
|
data() {
|
|
return {
|
|
// 菜单数组
|
|
menuList: [],
|
|
current: 0
|
|
}
|
|
},
|
|
computed: {
|
|
|
|
},
|
|
created() {
|
|
// 引用所有子组件(u-dropdown-item)的this，不能在data中声明变量，否则在微信小程序会造成循环引用而报错
|
|
this.children = [];
|
|
},
|
|
methods: {
|
|
clickHandler(item, index) {
|
|
this.children.map(child => {
|
|
if(child.title === item.title) {
|
|
// this.queryRect('u-dropdown__menu').then(size => {
|
|
child.$emit('click')
|
|
child.setContentAnimate(child.show ? 0 : 300)
|
|
child.show = !child.show
|
|
// })
|
|
} else {
|
|
child.show = false
|
|
child.setContentAnimate(0)
|
|
}
|
|
})
|
|
},
|
|
// 获取标签的尺寸位置
|
|
queryRect(el) {
|
|
// #ifndef APP-NVUE
|
|
// $uGetRect为uView自带的节点查询简化方法，详见文档介绍：https://www.uviewui.com/js/getRect.html
|
|
// 组件内部一般用this.$uGetRect，对外的为this.$u.getRect，二者功能一致，名称不同
|
|
return new Promise(resolve => {
|
|
this.$uGetRect(`.${el}`).then(size => {
|
|
resolve(size)
|
|
})
|
|
})
|
|
// #endif
|
|
|
|
// #ifdef APP-NVUE
|
|
// nvue下，使用dom模块查询元素高度
|
|
// 返回一个promise，让调用此方法的主体能使用then回调
|
|
return new Promise(resolve => {
|
|
dom.getComponentRect(this.$refs[el], res => {
|
|
resolve(res.size)
|
|
})
|
|
})
|
|
// #endif
|
|
},
|
|
},
|
|
}
|
|
</script>
|
|
|
|
<style lang="scss">
|
|
@import '../../libs/css/components.scss';
|
|
|
|
.u-dropdown {
|
|
|
|
&__menu {
|
|
@include flex;
|
|
|
|
&__item {
|
|
flex: 1;
|
|
@include flex;
|
|
justify-content: center;
|
|
|
|
&__content {
|
|
@include flex;
|
|
align-items: center;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
</style>
|
|
|