mall-app-t/uni_modules/uni-collapse/components/uni-collapse-item/uni-collapse-item.vue

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2024-05-22 15:42:13 +08:00
<template>
<view class="uni-collapse-item">
<!-- onClick(!isOpen) -->
<view @click="onClick(!isOpen)" class="uni-collapse-item__title"
:class="{'is-open':isOpen &&titleBorder === 'auto' ,'uni-collapse-item-border':titleBorder !== 'none'}">
<view class="uni-collapse-item__title-wrap">
<slot name="title">
<view class="uni-collapse-item__title-box" :class="{'is-disabled':disabled}">
<image v-if="thumb" :src="thumb" class="uni-collapse-item__title-img" />
<text class="uni-collapse-item__title-text">{{ title }}</text>
</view>
</slot>
</view>
<view v-if="showArrow"
:class="{ 'uni-collapse-item__title-arrow-active': isOpen, 'uni-collapse-item--animation': showAnimation === true }"
class="uni-collapse-item__title-arrow">
<uni-icons :color="disabled?'#ddd':'#bbb'" size="14" type="bottom" />
</view>
</view>
<view class="uni-collapse-item__wrap" :class="{'is--transition':showAnimation}"
:style="{height: (isOpen?height:0) +'px'}">
<view :id="elId" ref="collapse--hook" class="uni-collapse-item__wrap-content"
:class="{open:isheight,'uni-collapse-item--border':border&&isOpen}">
<slot></slot>
</view>
</view>
</view>
</template>
<script>
// #ifdef APP-NVUE
const dom = weex.requireModule('dom')
// #endif
/**
* CollapseItem 折叠面板子组件
* @description 折叠面板子组件
* @property {String} title 标题文字
* @property {String} thumb 标题左侧缩略图
* @property {String} name 唯一标志符
* @property {Boolean} open = [true|false] 是否展开组件
* @property {Boolean} titleBorder = [true|false] 是否显示标题分隔线
* @property {String} border = ['auto'|'show'|'none'] 是否显示分隔线
* @property {Boolean} disabled = [true|false] 是否展开面板
* @property {Boolean} showAnimation = [true|false] 开启动画
* @property {Boolean} showArrow = [true|false] 是否显示右侧箭头
*/
export default {
name: 'uniCollapseItem',
props: {
// 列表标题
title: {
type: String,
default: ''
},
name: {
type: [Number, String],
default: ''
},
// 是否禁用
disabled: {
type: Boolean,
default: false
},
// #ifdef APP-PLUS
// 是否显示动画,app 端默认不开启动画,卡顿严重
showAnimation: {
type: Boolean,
default: false
},
// #endif
// #ifndef APP-PLUS
// 是否显示动画
showAnimation: {
type: Boolean,
default: true
},
// #endif
// 是否展开
open: {
type: Boolean,
default: false
},
// 缩略图
thumb: {
type: String,
default: ''
},
// 标题分隔线显示类型
titleBorder: {
type: String,
default: 'auto'
},
border: {
type: Boolean,
default: true
},
showArrow: {
type: Boolean,
default: true
}
},
data() {
// 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
const elId = `Uni_${Math.ceil(Math.random() * 10e5).toString(36)}`
return {
isOpen: false,
isheight: null,
height: 0,
elId,
nameSync: 0
}
},
watch: {
open(val) {
this.isOpen = val
this.onClick(val, 'init')
}
},
updated(e) {
this.$nextTick(() => {
this.init(true)
})
},
created() {
this.collapse = this.getCollapse()
this.oldHeight = 0
this.onClick(this.open, 'init')
},
// #ifndef VUE3
// TODO vue2
destroyed() {
if (this.__isUnmounted) return
this.uninstall()
},
// #endif
// #ifdef VUE3
// TODO vue3
unmounted() {
this.__isUnmounted = true
this.uninstall()
},
// #endif
mounted() {
if (!this.collapse) return
if (this.name !== '') {
this.nameSync = this.name
} else {
this.nameSync = this.collapse.childrens.length + ''
}
if (this.collapse.names.indexOf(this.nameSync) === -1) {
this.collapse.names.push(this.nameSync)
} else {
console.warn(`name 值 ${this.nameSync} 重复`);
}
if (this.collapse.childrens.indexOf(this) === -1) {
this.collapse.childrens.push(this)
}
this.init()
},
methods: {
init(type) {
// #ifndef APP-NVUE
this.getCollapseHeight(type)
// #endif
// #ifdef APP-NVUE
this.getNvueHwight(type)
// #endif
},
uninstall() {
if (this.collapse) {
this.collapse.childrens.forEach((item, index) => {
if (item === this) {
this.collapse.childrens.splice(index, 1)
}
})
this.collapse.names.forEach((item, index) => {
if (item === this.nameSync) {
this.collapse.names.splice(index, 1)
}
})
}
},
onClick(isOpen, type) {
if (this.disabled) return
this.isOpen = isOpen
if (this.isOpen && this.collapse) {
this.collapse.setAccordion(this)
}
if (type !== 'init') {
this.collapse.onChange(isOpen, this)
}
},
getCollapseHeight(type, index = 0) {
const views = uni.createSelectorQuery().in(this)
views
.select(`#${this.elId}`)
.fields({
size: true
}, data => {
// TODO 百度中可能获取不到节点信息 ,需要循环获取
if (index >= 10) return
if (!data) {
index++
this.getCollapseHeight(false, index)
return
}
// #ifdef APP-NVUE
this.height = data.height + 1
// #endif
// #ifndef APP-NVUE
this.height = data.height
// #endif
this.isheight = true
if (type) return
this.onClick(this.isOpen, 'init')
})
.exec()
},
getNvueHwight(type) {
const result = dom.getComponentRect(this.$refs['collapse--hook'], option => {
if (option && option.result && option.size) {
// #ifdef APP-NVUE
this.height = option.size.height + 1
// #endif
// #ifndef APP-NVUE
this.height = option.size.height
// #endif
this.isheight = true
if (type) return
this.onClick(this.open, 'init')
}
})
},
/**
* 获取父元素实例
*/
getCollapse(name = 'uniCollapse') {
let parent = this.$parent;
let parentName = parent.$options.name;
while (parentName !== name) {
parent = parent.$parent;
if (!parent) return false;
parentName = parent.$options.name;
}
return parent;
}
}
}
</script>
<style lang="scss">
.uni-collapse-item {
/* #ifndef APP-NVUE */
box-sizing: border-box;
/* #endif */
&__title {
/* #ifndef APP-NVUE */
display: flex;
width: 100%;
box-sizing: border-box;
/* #endif */
flex-direction: row;
align-items: center;
transition: border-bottom-color .3s;
// transition-property: border-bottom-color;
// transition-duration: 5s;
&-wrap {
width: 100%;
flex: 1;
}
&-box {
padding: 0 15px;
/* #ifndef APP-NVUE */
display: flex;
width: 100%;
box-sizing: border-box;
/* #endif */
flex-direction: row;
justify-content: space-between;
align-items: center;
height: 48px;
line-height: 48px;
background-color: #fff;
color: #303133;
font-size: 13px;
font-weight: 500;
/* #ifdef H5 */
cursor: pointer;
outline: none;
/* #endif */
&.is-disabled {
.uni-collapse-item__title-text {
color: #999;
}
}
}
&.uni-collapse-item-border {
border-bottom: 1px solid #ebeef5;
}
&.is-open {
border-bottom-color: transparent;
}
&-img {
height: 22px;
width: 22px;
margin-right: 10px;
}
&-text {
flex: 1;
font-size: 14px;
/* #ifndef APP-NVUE */
white-space: nowrap;
color: inherit;
/* #endif */
/* #ifdef APP-NVUE */
lines: 1;
/* #endif */
overflow: hidden;
text-overflow: ellipsis;
}
&-arrow {
/* #ifndef APP-NVUE */
display: flex;
box-sizing: border-box;
/* #endif */
align-items: center;
justify-content: center;
width: 20px;
height: 20px;
margin-right: 10px;
transform: rotate(0deg);
&-active {
transform: rotate(-180deg);
}
}
}
&__wrap {
/* #ifndef APP-NVUE */
will-change: height;
box-sizing: border-box;
/* #endif */
background-color: #fff;
overflow: hidden;
position: relative;
height: 0;
&.is--transition {
// transition: all 0.3s;
transition-property: height, border-bottom-width;
transition-duration: 0.3s;
/* #ifndef APP-NVUE */
will-change: height;
/* #endif */
}
&-content {
position: absolute;
font-size: 13px;
color: #303133;
// transition: height 0.3s;
border-bottom-color: transparent;
border-bottom-style: solid;
border-bottom-width: 0;
&.uni-collapse-item--border {
border-bottom-width: 1px;
border-bottom-color: red;
border-bottom-color: #ebeef5;
}
&.open {
position: relative;
}
}
}
&--animation {
transition-property: transform;
transition-duration: 0.3s;
transition-timing-function: ease;
}
}
</style>