<template>
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<el-dialog
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:model-value="dialogVisible"
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@opened="$emit('update:dialogVisible', true)"
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@closed="$emit('update:dialogVisible', false)"
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width="66%"
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destroy-on-close
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>
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<div class="main">
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<el-row justify="end" v-if="!readonly">
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<el-text size="small" type="info" class="m-r-8"
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>最多选择{{ maxSelect }}张图片</el-text
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>
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<el-button
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size="small"
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type="primary"
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@click="handleSubmit"
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:disabled="selectedImgUrlList.length == 0"
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>确定</el-button
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>
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<el-button size="small" type="primary" @click="handleCancel"
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>取消</el-button
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>
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</el-row>
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<div class="center">
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<el-tabs v-if="typeList.length > 0" v-model="activeId" type="card">
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<el-tab-pane
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v-for="item in typeList"
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:key="item.typeId"
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:label="
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item.typeName + ' (' + typeImgMap.get(item.typeId).length + ')'
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"
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:name="item.typeId"
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>
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</el-tab-pane>
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</el-tabs>
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<el-scrollbar
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v-if="typeImgMap.get(activeId) && typeImgMap.get(activeId).length > 0"
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class="imgs"
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>
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<el-image
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v-for="(img, i) in typeImgMap.get(activeId)"
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:key="i"
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:class="[img.isSelect ? 'selected' : 'noActive', 'image']"
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fit="cover"
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:src="img.url"
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lazy
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@click="onSelect(img, i)"
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/>
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</el-scrollbar>
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<el-row v-else justify="space-between">
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<el-empty description="暂无记录" />
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</el-row>
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</div>
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</div>
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</el-dialog>
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</template>
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<script setup>
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import { ref, watch } from 'vue';
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const props = defineProps({
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dialogVisible: Boolean,
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/**
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* 图片分类
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* 结构{ typeId, typeName }
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*/
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typeList: {
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type: Array,
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default: () => []
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},
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typeImgMap: {
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type: Array,
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default: () => new Map()
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},
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// 是否以只读的形式查看当前页面
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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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defaultFile: {
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type: Array,
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default: () => []
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},
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// 图片可选数量，当传入数字时，代表图片数量
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maxSelect: {
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type: Number,
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default: 3
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}
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});
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const emit = defineEmits(['submit', 'cancel', 'update:dialogVisible']);
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const activeId = ref('');
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// const typeImgMap = ref(new Map());
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const selectedImgUrlList = ref([]);
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function onSelect(img, i) {
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if (props.readonly) {
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return;
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}
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const imgList = selectedImgUrlList.value;
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const index = imgList.indexOf(img);
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if (index == -1) {
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if (props.maxSelect == 1) {
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img.isSelect = true;
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imgList.push(img);
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if (imgList.length > 1) {
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imgList.splice(0, 1).forEach((e) => {
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e.isSelect = false;
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});
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}
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} else if (props.maxSelect > 1) {
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if (imgList.length < props.maxSelect) {
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img.isSelect = true;
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imgList.push(img);
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}
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}
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} else {
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imgList.splice(index, 1);
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img.isSelect = false;
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}
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}
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function handleSubmit() {
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emit('submit', selectedImgUrlList.value);
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emit('update:dialogVisible', false);
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}
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function handleCancel() {
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emit('cancel');
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emit('update:dialogVisible', false);
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}
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watch(
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() => props.typeList,
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(nV, oV) => {
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if (nV != oV && nV.length > 0) {
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activeId.value = nV[0].typeId;
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}
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},
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{ immediate: true }
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);
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watch(
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() => props.typeImgMap,
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(newMap, oldMap) => {
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if (newMap.get(activeId.value) == undefined) {
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return;
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}
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newMap.get(activeId.value).forEach((i) => {
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if (i.isSelect == true) {
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return;
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}
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props.defaultFile.forEach((imgItem) => {
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if (imgItem.url == i.url) {
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i.isSelect = true;
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selectedImgUrlList.value.push(i);
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}
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});
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});
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},
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{ immediate: true }
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);
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</script>
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<style scoped>
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.center {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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.text {
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padding: 20px;
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}
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.main {
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margin: 0 auto; /* 使父元素居中 */
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height: 100%;
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width: 100%;
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}
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.imgs {
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height: 50vh;
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width: 100%;
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min-height: 100px !important;
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/* border-style:solid;
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border-radius: 1px; */
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/* height: 100%; */
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flex-grow: 1 !important;
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overflow-y: auto !important;
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/* 内容的内边距 */
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display: flex !important;
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flex-wrap: wrap !important;
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/* overflow: hidden; */
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}
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.image {
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margin: 5px;
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height: 210px;
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width: 200px;
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border-radius: 4px;
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}
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.active {
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padding: 5px;
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width: 20%;
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height: 200px;
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border: 0.5rem outset rgb(52, 155, 4);
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}
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.selected {
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margin: 3px;
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color: #4abe84;
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box-shadow: 0 2px 7px 0 rgba(85, 110, 97, 0.35);
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border: 2px solid rgba(74, 190, 132, 1);
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}
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.selected:before {
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content: '';
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position: absolute;
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right: 0;
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bottom: 0;
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border: 17px solid #4abe84;
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border-top-color: transparent;
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border-left-color: transparent;
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}
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.selected:after {
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content: '';
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width: 5px;
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height: 12px;
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position: absolute;
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right: 6px;
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bottom: 6px;
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border: 2px solid #fff;
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border-top-color: transparent;
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border-left-color: transparent;
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transform: rotate(45deg);
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}
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.noActive {
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/* padding: 5px; */
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}
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.blurry {
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filter: blur(3px);
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}
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.filters {
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display: flex;
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padding: 5px;
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}
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::v-deep .el-dialog__body {
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height: 60vh;
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padding: 10px calc(var(--el-dialog-padding-primary) + 10px) !important;
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}
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</style>
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