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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>
|
|
