<template>
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<view class="uni-file-picker__container">
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<view class="file-picker__box" v-for="(item,index) in filesList" :key="index" :style="boxStyle">
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<view class="file-picker__box-content" :style="borderStyle">
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<image class="file-image" :src="item.url" mode="aspectFill" @click.stop="prviewImage(item,index)"></image>
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<view v-if="delIcon && !readonly" class="icon-del-box" @click.stop="delFile(index)">
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<view class="icon-del"></view>
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<view class="icon-del rotate"></view>
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</view>
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<view v-if="(item.progress && item.progress !== 100) ||item.progress===0 " class="file-picker__progress">
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<progress class="file-picker__progress-item" :percent="item.progress === -1?0:item.progress" stroke-width="4"
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:backgroundColor="item.errMsg?'#ff5a5f':'#EBEBEB'" />
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</view>
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<view v-if="item.errMsg" class="file-picker__mask" @click.stop="uploadFiles(item,index)">
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点击重试
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</view>
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</view>
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</view>
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<view v-if="filesList.length < limit && !readonly" class="file-picker__box" :style="boxStyle">
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<view class="file-picker__box-content is-add" :style="borderStyle" @click="choose">
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<slot>
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<view class="icon-add"></view>
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<view class="icon-add rotate"></view>
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</slot>
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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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export default {
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name: "uploadImage",
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emits:['uploadFiles','choose','delFile'],
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props: {
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filesList: {
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type: Array,
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default () {
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return []
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}
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},
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disabled:{
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type: Boolean,
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default: false
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},
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disablePreview: {
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type: Boolean,
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default: false
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},
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limit: {
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type: [Number, String],
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default: 9
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},
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imageStyles: {
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type: Object,
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default () {
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return {
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width: 'auto',
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height: 'auto',
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border: {}
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}
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}
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},
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delIcon: {
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type: Boolean,
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default: true
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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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},
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computed: {
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styles() {
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let styles = {
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width: 'auto',
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height: 'auto',
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border: {}
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}
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return Object.assign(styles, this.imageStyles)
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},
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boxStyle() {
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const {
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width = 'auto',
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height = 'auto'
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} = this.styles
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let obj = {}
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if (height === 'auto') {
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if (width !== 'auto') {
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obj.height = this.value2px(width)
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obj['padding-top'] = 0
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} else {
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obj.height = 0
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}
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} else {
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obj.height = this.value2px(height)
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obj['padding-top'] = 0
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}
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if (width === 'auto') {
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if (height !== 'auto') {
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obj.width = this.value2px(height)
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} else {
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obj.width = '33.3%'
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}
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} else {
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obj.width = this.value2px(width)
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}
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let classles = ''
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for(let i in obj){
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classles+= `${i}:${obj[i]};`
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}
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return classles
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},
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borderStyle() {
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let {
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border
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} = this.styles
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let obj = {}
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const widthDefaultValue = 1
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const radiusDefaultValue = 3
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if (typeof border === 'boolean') {
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obj.border = border ? '1px #eee solid' : 'none'
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} else {
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let width = (border && border.width) || widthDefaultValue
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width = this.value2px(width)
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let radius = (border && border.radius) || radiusDefaultValue
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radius = this.value2px(radius)
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obj = {
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'border-width': width,
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'border-style': (border && border.style) || 'solid',
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'border-color': (border && border.color) || '#eee',
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'border-radius': radius
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}
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}
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let classles = ''
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for(let i in obj){
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classles+= `${i}:${obj[i]};`
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}
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return classles
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}
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},
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methods: {
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uploadFiles(item, index) {
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this.$emit("uploadFiles", item)
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},
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choose() {
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this.$emit("choose")
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},
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delFile(index) {
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this.$emit('delFile', index)
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},
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prviewImage(img, index) {
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let urls = []
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if(Number(this.limit) === 1&&this.disablePreview&&!this.disabled){
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this.$emit("choose")
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}
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if(this.disablePreview) return
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this.filesList.forEach(i => {
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urls.push(i.url)
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})
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uni.previewImage({
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urls: urls,
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current: index
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});
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},
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value2px(value) {
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if (typeof value === 'number') {
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value += 'px'
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} else {
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if (value.indexOf('%') === -1) {
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value = value.indexOf('px') !== -1 ? value : value + 'px'
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}
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}
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return value
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}
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}
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}
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</script>
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<style lang="scss">
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.uni-file-picker__container {
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/* #ifndef APP-NVUE */
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display: flex;
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box-sizing: border-box;
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/* #endif */
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flex-wrap: wrap;
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margin: -5px;
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}
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.file-picker__box {
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position: relative;
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// flex: 0 0 33.3%;
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width: 33.3%;
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height: 0;
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padding-top: 33.33%;
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/* #ifndef APP-NVUE */
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box-sizing: border-box;
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/* #endif */
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}
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.file-picker__box-content {
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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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left: 0;
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margin: 5px;
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border: 1px #eee solid;
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border-radius: 5px;
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overflow: hidden;
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}
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.file-picker__progress {
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position: absolute;
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bottom: 0;
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left: 0;
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right: 0;
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/* border: 1px red solid; */
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z-index: 2;
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}
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.file-picker__progress-item {
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width: 100%;
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}
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.file-picker__mask {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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justify-content: center;
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align-items: center;
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position: absolute;
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right: 0;
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top: 0;
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bottom: 0;
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left: 0;
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color: #fff;
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font-size: 12px;
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background-color: rgba(0, 0, 0, 0.4);
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}
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.file-image {
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width: 100%;
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height: 100%;
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}
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.is-add {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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align-items: center;
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justify-content: center;
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}
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.icon-add {
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width: 50px;
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height: 5px;
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background-color: #f1f1f1;
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border-radius: 2px;
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}
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.rotate {
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position: absolute;
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transform: rotate(90deg);
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}
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.icon-del-box {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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align-items: center;
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justify-content: center;
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position: absolute;
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top: 3px;
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right: 3px;
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height: 26px;
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width: 26px;
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border-radius: 50%;
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background-color: rgba(0, 0, 0, 0.5);
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z-index: 2;
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transform: rotate(-45deg);
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}
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.icon-del {
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width: 15px;
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height: 2px;
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background-color: #fff;
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border-radius: 2px;
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}
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</style>
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