<template>
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<view class="uni-data-tree">
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<view class="uni-data-tree-input" @click="handleInput">
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<slot :data="selectedPaths" :error="error">
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<view class="input-value" :class="{'input-value-border': border}">
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<text v-if="error!=null" class="error-text">{{error!.errMsg}}</text>
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<scroll-view v-if="selectedPaths.length" class="selected-path" scroll-x="true">
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<view class="selected-list">
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<template v-for="(item, index) in selectedPaths">
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<text class="text-color">{{item[mappingTextName]}}</text>
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<text v-if="index<selectedPaths.length-1" class="input-split-line">{{split}}</text>
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</template>
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</view>
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</scroll-view>
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<text v-else-if="error==null&&!loading" class="placeholder">{{placeholder}}</text>
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<view v-if="!readonly" class="arrow-area">
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<view class="input-arrow"></view>
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</view>
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</view>
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</slot>
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<view v-if="loading && !isOpened" class="selected-loading">
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<slot name="picker-loading" :loading="loading"></slot>
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</view>
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</view>
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<view class="uni-data-tree-cover" v-if="isOpened" @click="handleClose"></view>
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<view class="uni-data-tree-dialog" v-if="isOpened">
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<view class="uni-popper__arrow"></view>
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<view class="dialog-caption">
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<view class="dialog-title-view">
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<text class="dialog-title">{{popupTitle}}</text>
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</view>
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<view class="dialog-close" @click="handleClose">
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<view class="dialog-close-plus" data-id="close"></view>
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<view class="dialog-close-plus dialog-close-rotate" data-id="close"></view>
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</view>
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</view>
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<view ref="pickerView" class="uni-data-pickerview">
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<view v-if="error!=null" class="error">
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<text class="error-text">{{error!.errMsg}}</text>
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</view>
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<scroll-view v-if="!isCloudDataList" :scroll-x="true">
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<view class="selected-node-list">
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<template v-for="(item, index) in selectedNodes">
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<text class="selected-node-item" :class="{'selected-node-item-active':index==selectedIndex}"
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@click="onTabSelect(index)">
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{{item[mappingTextName]}}
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</text>
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</template>
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</view>
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</scroll-view>
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<list-view class="list-view" :scroll-y="true">
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<list-item class="list-item" v-for="(item, _) in currentDataList" @click="onNodeClick(item)">
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<text class="item-text" :class="{'item-text-disabled': item['disable']}">{{item[mappingTextName]}}</text>
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<text class="check" v-if="item[mappingValueName] == selectedNodes[selectedIndex][mappingValueName]"></text>
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</list-item>
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</list-view>
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<view class="loading-cover" v-if="loading">
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<slot name="pickerview-loading" :loading="loading"></slot>
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</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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import { dataPicker } from "../uni-data-pickerview/uni-data-picker.uts"
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/**
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* DataPicker 级联选择
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* @description 支持单列、和多列级联选择。列数没有限制，如果屏幕显示不全，顶部tab区域会左右滚动。
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* @tutorial https://ext.dcloud.net.cn/plugin?id=3796
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* @property {String} popup-title 弹出窗口标题
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* @property {Array} localdata 本地数据，参考
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* @property {Boolean} border = [true|false] 是否有边框
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* @property {Boolean} readonly = [true|false] 是否仅读
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* @property {Boolean} preload = [true|false] 是否预加载数据
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* @value true 开启预加载数据，点击弹出窗口后显示已加载数据
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* @value false 关闭预加载数据，点击弹出窗口后开始加载数据
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* @property {Boolean} step-searh = [true|false] 是否分布查询
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* @value true 启用分布查询，仅查询当前选中节点
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* @value false 关闭分布查询，一次查询出所有数据
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* @property {String|DBFieldString} self-field 分布查询当前字段名称
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* @property {String|DBFieldString} parent-field 分布查询父字段名称
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* @property {String|DBCollectionString} collection 表名
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* @property {String|DBFieldString} field 查询字段，多个字段用 `,` 分割
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* @property {String} orderby 排序字段及正序倒叙设置
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* @property {String|JQLString} where 查询条件
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* @event {Function} popupshow 弹出的选择窗口打开时触发此事件
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* @event {Function} popuphide 弹出的选择窗口关闭时触发此事件
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*/
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export default {
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name: 'UniDataPicker',
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emits: ['popupopened', 'popupclosed', 'nodeclick', 'change', 'input', 'update:modelValue', 'inputclick'],
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mixins: [dataPicker],
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props: {
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popupTitle: {
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type: String,
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default: '请选择'
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},
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placeholder: {
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type: String,
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default: '请选择'
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},
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heightMobile: {
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type: String,
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default: ''
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},
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readonly: {
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type: Boolean,
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default: false
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},
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clearIcon: {
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type: Boolean,
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default: true
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},
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border: {
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type: Boolean,
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default: true
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},
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split: {
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type: String,
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default: '/'
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},
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ellipsis: {
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type: Boolean,
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default: true
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}
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},
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data() {
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return {
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isOpened: false
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}
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},
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computed: {
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isShowClearIcon() : boolean {
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if (this.readonly) {
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return false
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}
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if (this.clearIcon && this.selectedPaths.length > 0) {
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return true
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}
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return false
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}
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},
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created() {
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this.load()
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},
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methods: {
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clear() {
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},
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load() {
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if (this.isLocalData) {
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this.loadLocalData()
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} else if (this.isCloudDataList || this.isCloudDataTree) {
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this.loadCloudDataPath()
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}
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},
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show() {
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this.isOpened = true
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this.$emit('popupopened')
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if (!this.hasCloudTreeData) {
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this.loadData()
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}
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},
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hide() {
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this.isOpened = false
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this.$emit('popupclosed')
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},
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handleInput() {
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if (this.readonly) {
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this.$emit('inputclick')
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} else {
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this.show()
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}
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},
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handleClose() {
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this.hide()
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},
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onFinish() {
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this.selectedPaths = this.getChangeNodes()
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this.$emit('update:modelValue', this.selectedPaths)
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this.$emit('change', this.selectedPaths)
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this.hide()
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}
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}
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}
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</script>
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<style>
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@import url("../uni-data-pickerview/uni-data-pickerview.css");
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.uni-data-tree {
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position: relative;
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}
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.uni-data-tree-input {
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position: relative;
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}
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.selected-loading {
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display: flex;
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justify-content: center;
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position: absolute;
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left: 0;
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top: 0;
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right: 0;
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bottom: 0;
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}
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.error-text {
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flex: 1;
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font-size: 12px;
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color: #DD524D;
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}
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.input-value {
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flex-direction: row;
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align-items: center;
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flex-wrap: nowrap;
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padding: 5px 5px;
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padding-right: 5px;
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overflow: hidden;
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min-height: 28px;
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}
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.input-value-border {
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border: 1px solid #e5e5e5;
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border-radius: 5px;
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}
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.selected-path {
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flex: 1;
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flex-direction: row;
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overflow: hidden;
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}
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.load-more {
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width: 40px;
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}
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.selected-list {
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flex-direction: row;
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flex-wrap: nowrap;
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}
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.selected-item {
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flex-direction: row;
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flex-wrap: nowrap;
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}
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.text-color {
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font-size: 14px;
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color: #333;
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}
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.placeholder {
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color: grey;
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font-size: 14px;
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}
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.input-split-line {
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opacity: .5;
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margin-left: 1px;
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margin-right: 1px;
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}
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.arrow-area {
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position: relative;
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padding: 0 12px;
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margin-left: auto;
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justify-content: center;
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transform: rotate(-45deg);
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transform-origin: center;
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}
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.input-arrow {
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width: 8px;
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height: 8px;
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border-left: 2px solid #999;
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border-bottom: 2px solid #999;
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}
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.uni-data-tree-cover {
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position: fixed;
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left: 0;
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top: 0;
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right: 0;
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bottom: 0;
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background-color: rgba(0, 0, 0, .4);
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flex-direction: column;
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z-index: 100;
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}
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.uni-data-tree-dialog {
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position: fixed;
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left: 0;
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top: 20%;
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right: 0;
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bottom: 0;
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background-color: #FFFFFF;
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border-top-left-radius: 10px;
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border-top-right-radius: 10px;
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flex-direction: column;
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z-index: 102;
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overflow: hidden;
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}
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.dialog-caption {
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position: relative;
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flex-direction: row;
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}
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.dialog-title-view {
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flex: 1;
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}
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.dialog-title {
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align-self: center;
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padding: 0 10px;
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line-height: 44px;
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}
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.dialog-close {
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position: absolute;
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top: 0;
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right: 0;
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bottom: 0;
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flex-direction: row;
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align-items: center;
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padding: 0 15px;
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}
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.dialog-close-plus {
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width: 16px;
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height: 2px;
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background-color: #666;
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border-radius: 2px;
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transform: rotate(45deg);
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}
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.dialog-close-rotate {
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position: absolute;
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transform: rotate(-45deg);
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}
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.uni-data-pickerview {
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flex: 1;
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}
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.icon-clear {
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display: flex;
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align-items: center;
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}
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/* #ifdef H5 */
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@media all and (min-width: 768px) {
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.uni-data-tree-cover {
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background-color: transparent;
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}
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.uni-data-tree-dialog {
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position: absolute;
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top: 55px;
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height: auto;
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min-height: 400px;
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max-height: 50vh;
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background-color: #fff;
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border: 1px solid #EBEEF5;
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box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
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border-radius: 4px;
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overflow: unset;
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}
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.dialog-caption {
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display: none;
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}
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}
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/* #endif */
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</style>
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