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uni_modules/uni-collapse/changelog.md Normal file
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## 1.4.3（2022-01-25）
- 修复 初始化的时候 ，open 属性失效的bug
## 1.4.2（2022-01-21）
- 修复 微信小程序resize后组件收起的bug
## 1.4.1（2021-11-22）
- 修复 vue3中个别scss变量无法找到的问题
## 1.4.0（2021-11-19）
- 优化 组件UI，并提供设计资源，详见:[https://uniapp.dcloud.io/component/uniui/resource](https://uniapp.dcloud.io/component/uniui/resource)
- 文档迁移，详见:[https://uniapp.dcloud.io/component/uniui/uni-collapse](https://uniapp.dcloud.io/component/uniui/uni-collapse)
## 1.3.3（2021-08-17）
- 优化 show-arrow 属性默认为true
## 1.3.2（2021-08-17）
- 新增 show-arrow 属性，控制是否显示右侧箭头
## 1.3.1（2021-07-30）
- 优化 vue3下小程序事件警告的问题
## 1.3.0（2021-07-30）
- 组件兼容 vue3，如何创建vue3项目，详见 [uni-app 项目支持 vue3 介绍](https://ask.dcloud.net.cn/article/37834)
## 1.2.2（2021-07-21）
- 修复 由1.2.0版本引起的 change 事件返回 undefined 的Bug
## 1.2.1（2021-07-21）
- 优化 组件示例
## 1.2.0（2021-07-21）
- 新增 组件折叠动画
- 新增 value\v-model 属性 ，动态修改面板折叠状态
- 新增 title 插槽 ，可定义面板标题
- 新增 border 属性 ，显示隐藏面板内容分隔线
- 新增 title-border 属性 ，显示隐藏面板标题分隔线
- 修复 resize 方法失效的Bug
- 修复 change 事件返回参数不正确的Bug
- 优化 H5、App 平台自动更具内容更新高度，无需调用 reszie() 方法
## 1.1.7（2021-05-12）
- 新增 组件示例地址
## 1.1.6（2021-02-05）
- 优化 组件引用关系，通过uni_modules引用组件
## 1.1.5（2021-02-05）
- 调整为uni_modules目录规范

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uni_modules/uni-collapse/components/uni-collapse-item/uni-collapse-item.vue Normal file
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<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 {Boolean} border = [true|false] 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>

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<template>
<view class="uni-collapse">
<slot />
</view>
</template>
<script>
/**
* Collapse 折叠面板
* @description 展示可以折叠 / 展开的内容区域
* @tutorial https://ext.dcloud.net.cn/plugin?id=23
* @property {String|Array} value 当前激活面板改变时触发(如果是手风琴模式，参数类型为string，否则为array)
* @property {Boolean} accordion = [true|false] 是否开启手风琴效果是否开启手风琴效果
* @event {Function} change 切换面板时触发，如果是手风琴模式，返回类型为string，否则为array
*/
export default {
name: 'uniCollapse',
emits:['change','activeItem','input','update:modelValue'],
props: {
value: {
type: [String, Array],
default: ''
},
modelValue: {
type: [String, Array],
default: ''
},
accordion: {
// 是否开启手风琴效果
type: [Boolean, String],
default: false
},
},
data() {
return {}
},
computed: {
// TODO 兼容 vue2 和 vue3
dataValue() {
let value = (typeof this.value === 'string' && this.value === '') ||
(Array.isArray(this.value) && this.value.length === 0)
let modelValue = (typeof this.modelValue === 'string' && this.modelValue === '') ||
(Array.isArray(this.modelValue) && this.modelValue.length === 0)
if (value) {
return this.modelValue
}
if (modelValue) {
return this.value
}
return this.value
}
},
watch: {
dataValue(val) {
this.setOpen(val)
}
},
created() {
this.childrens = []
this.names = []
},
mounted() {
this.$nextTick(()=>{
this.setOpen(this.dataValue)
})
},
methods: {
setOpen(val) {
let str = typeof val === 'string'
let arr = Array.isArray(val)
this.childrens.forEach((vm, index) => {
if (str) {
if (val === vm.nameSync) {
if (!this.accordion) {
console.warn('accordion 属性为 false ,v-model 类型应该为 array')
return
}
vm.isOpen = true
}
}
if (arr) {
val.forEach(v => {
if (v === vm.nameSync) {
if (this.accordion) {
console.warn('accordion 属性为 true ,v-model 类型应该为 string')
return
}
vm.isOpen = true
}
})
}
})
this.emit(val)
},
setAccordion(self) {
if (!this.accordion) return
this.childrens.forEach((vm, index) => {
if (self !== vm) {
vm.isOpen = false
}
})
},
resize() {
this.childrens.forEach((vm, index) => {
// #ifndef APP-NVUE
vm.getCollapseHeight()
// #endif
// #ifdef APP-NVUE
vm.getNvueHwight()
// #endif
})
},
onChange(isOpen, self) {
let activeItem = []
if (this.accordion) {
activeItem = isOpen ? self.nameSync : ''
} else {
this.childrens.forEach((vm, index) => {
if (vm.isOpen) {
activeItem.push(vm.nameSync)
}
})
}
this.$emit('change', activeItem)
this.emit(activeItem)
},
emit(val){
this.$emit('input', val)
this.$emit('update:modelValue', val)
}
}
}
</script>
<style lang="scss" >
.uni-collapse {
/* #ifndef APP-NVUE */
width: 100%;
display: flex;
/* #endif */
/* #ifdef APP-NVUE */
flex: 1;
/* #endif */
flex-direction: column;
background-color: #fff;
}
</style>

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{
"id": "uni-collapse",
"displayName": "uni-collapse 折叠面板",
"version": "1.4.3",
"description": "Collapse 组件，可以折叠 / 展开的内容区域。",
"keywords": [
"uni-ui",
"折叠",
"折叠面板",
"手风琴"
],
"repository": "https://github.com/dcloudio/uni-ui",
"engines": {
"HBuilderX": ""
},
"directories": {
"example": "../../temps/example_temps"
},
"dcloudext": {
"category": [
"前端组件",
"通用组件"
],
"sale": {
"regular": {
"price": "0.00"
},
"sourcecode": {
"price": "0.00"
}
},
"contact": {
"qq": ""
},
"declaration": {
"ads": "无",
"data": "无",
"permissions": "无"
},
"npmurl": "https://www.npmjs.com/package/@dcloudio/uni-ui"
},
"uni_modules": {
"dependencies": [
"uni-scss",
"uni-icons"
],
"encrypt": [],
"platforms": {
"cloud": {
"tcb": "y",
"aliyun": "y"
},
"client": {
"App": {
"app-vue": "y",
"app-nvue": "y"
},
"H5-mobile": {
"Safari": "y",
"Android Browser": "y",
"微信浏览器(Android)": "y",
"QQ浏览器(Android)": "y"
},
"H5-pc": {
"Chrome": "y",
"IE": "y",
"Edge": "y",
"Firefox": "y",
"Safari": "y"
},
"小程序": {
"微信": "y",
"阿里": "y",
"百度": "y",
"字节跳动": "y",
"QQ": "y"
},
"快应用": {
"华为": "u",
"联盟": "u"
},
"Vue": {
"vue2": "y",
"vue3": "y"
}
}
}
}
}

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## Collapse 折叠面板
> **组件名：uni-collapse**
> 代码块： `uCollapse`
> 关联组件：`uni-collapse-item`、`uni-icons`。
折叠面板用来折叠/显示过长的内容或者是列表。通常是在多内容分类项使用，折叠不重要的内容，显示重要内容。点击可以展开折叠部分。
### [查看文档](https://uniapp.dcloud.io/component/uniui/uni-collapse)
#### 如使用过程中有任何问题，或者您对uni-ui有一些好的建议，欢迎加入 uni-ui 交流群：871950839