409 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Plaintext
		
	
	
			
		
		
	
	
			409 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Plaintext
		
	
	
<template>
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  <div v-loading="loading" class="study-wrapper">
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    <h3 style="color: #ddd;padding: 5px 0px;margin: 0;text-align: center;">
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      {{ taskBlindName }}
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    </h3>
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    <div class="ps">
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      <div
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        v-for="(study, index) in studyList"
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        :key="index"
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      >
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        <div class="dicom-desc">
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          {{ study.StudyCode }}
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        </div>
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        <div v-show="study.Description" class="dicom-desc">
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          {{ study.Description }}
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        </div>
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        <div v-show="study.SeriesCount" class="dicom-desc">
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          {{ study.Modalities }} : {{ study.SeriesCount }} Series
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        </div>
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        <div class="series">
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          <div
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            v-for="(series, i) in study.SeriesList"
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            :key="i"
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            style="position:relative;margin:10px 0px;"
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            series-type="current"
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            @click="showSeriesImage($event,index,i)"
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          >
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            <div
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              :class="{'series-active': i==seriesIndex && index === studyIndex}"
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              class="series-wrapper"
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            >
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              <el-image
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                class="image-preview"
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                :src="series.previewImageUrl"
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                fit="fill"
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              />
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              <div class="image-desc">
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                <p style="padding: 1px;">
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                  #{{ series.seriesNumber }}
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                </p>
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                <p>#{{ series.seriesNumber }}</p>
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                <p v-show="series.InstanceCount">
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                  {{ series.modality }}: {{ series.instanceCount }} image
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                </p>
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                <p v-show=" series.sliceThickness">
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                  T: {{ series.sliceThickness }}
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                </p>
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                <p v-show="series.description">
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                  <el-tooltip class="item" effect="dark" :content="series.description" placement="right">
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                    <span>{{ series.description }}</span>
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                  </el-tooltip>
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                </p>
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                <p>
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                  {{ series.prefetchInstanceCount }}/{{ series.instanceCount }}
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                </p>
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              </div>
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            </div>
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            <div v-if="series.prefetchInstanceCount>0 && series.prefetchInstanceCount<series.instanceCount" style="width: 100%;">
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              <el-progress
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                :percentage="parseInt(((series.prefetchInstanceCount/series.instanceCount)*100).toFixed(2))"
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              />
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            </div>
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          </div>
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        </div>
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      </div>
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    </div>
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  </div>
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</template>
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<script>
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import * as dicomParser from 'dicom-parser'
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import * as cornerstone from 'cornerstone-core'
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import * as cornerstoneWADOImageLoader from 'cornerstone-wado-image-loader'
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import { getVisitStudyList } from '@/api/reading'
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import { getTableAnswerRowInfoList } from '@/api/trials'
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import requestPoolManager from '@/utils/request-pool'
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import Store from './Store'
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cornerstoneWADOImageLoader.external.dicomParser = dicomParser
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cornerstoneWADOImageLoader.external.cornerstone = cornerstone
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const maximumSizeInBytes = 1024 * 1024 * 1024 // 1 GB
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export default {
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  name: 'StudyList',
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  props: {
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    trialId: {
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      type: String,
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      required: true
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    },
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    subjectVisitId: {
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      type: String,
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      required: true
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    },
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    visitTaskId: {
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      type: String,
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      required: true
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    },
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    isReading: {
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      type: Number,
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      default: 0
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    },
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    taskBlindName: {
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      type: String,
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      default: ''
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    }
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  },
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  data() {
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    return {
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      studyList: [],
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      cachedImages: [],
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      studyIndex: 0,
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      seriesIndex: 0,
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      loading: false,
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      measuredData: [],
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      isRender: false
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    }
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  },
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  mounted() {
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    cornerstone.events.addEventListener('cornerstoneimageloaded', this.cornerstoneImageLoaded)
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    Store.$on('resetMeasuredData', async(instanceId) => {
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      await this.getMeasuredData()
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      this.studyList[this.studyIndex].SeriesList[this.seriesIndex].measuredData = this.measuredData
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      // this.$emit('loadImageStack', this.studyList[this.studyIndex].SeriesList[this.seriesIndex])
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      Store.$emit('updateImage', { measuredData: this.measuredData, instanceId: instanceId })
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      console.log('resetMeasuredData')
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    })
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  },
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  beforeDestroy() {
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    Store.$off('resetMeasuredData')
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  },
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  methods: {
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    async getStudyInfo() {
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      if (this.isRender) {
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        this.studyList[this.studyIndex].SeriesList[this.seriesIndex].measuredData = this.measuredData
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        this.$emit('loadImageStack', this.studyList[this.studyIndex].SeriesList[this.seriesIndex])
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        Store.$emit('loadMeasurementList', { visitTaskId: this.visitTaskId, taskBlindName: this.taskBlindName })
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      } else {
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        await this.getMeasuredData()
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        this.getStudiesInfo()
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      }
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    },
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    // 获取某个访视下所有的检查信息
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    getStudiesInfo() {
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      const loading = this.$loading({ fullscreen: true })
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      // this.loading = true
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      this.studyList = []
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      getVisitStudyList(this.trialId, this.subjectVisitId, this.isReading).then(res => {
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        res.Result.forEach((study) => {
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          const data = {}
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          data.StudyId = study.StudyId
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          data.StudyCode = study.StudyCode
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          data.Modalities = study.Modalities
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          data.SeriesCount = study.SeriesCount
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          data.InstanceCount = study.InstanceCount
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          data.InstanceCount = study.InstanceCount
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          data.PreviewImageCount = 0
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          var seriesList = []
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          study.SeriesList.forEach((series) => {
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            const imageIds = []
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            series.InstanceList.forEach((id) => {
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              imageIds.push(`wadouri:/api/instance/content/${id}`)
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            })
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            // var measuredData = this.measuredData.filter(item => item.SeriesId === series.Id)
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            seriesList.push({
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              imageIds: imageIds,
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              seriesId: series.Id,
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              imageIdIndex: 0,
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              seriesUid: series.SeriesInstanceUid,
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              seriesNumber: series.SeriesNumber,
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              sliceThickness: series.SliceThickness,
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              modality: series.Modality,
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              description: series.Description,
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              previewImageUrl: `/api/series/preview/${series.Id}`,
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              instanceCount: series.InstanceCount,
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              prefetchInstanceCount: 0,
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              loadStatus: false,
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              imageloadedArr: [],
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              studyId: study.StudyId,
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              taskBlindName: this.taskBlindName,
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              // measuredData: measuredData,
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              visitTaskId: this.visitTaskId
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            })
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          })
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          data.SeriesList = seriesList
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          this.studyList.push(data)
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        })
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        if (this.studyList.length > 0) {
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          this.studyList[0].SeriesList[0].measuredData = this.measuredData
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          this.$emit('loadImageStack', this.studyList[0].SeriesList[0])
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          Store.$emit('loadMeasurementList', { visitTaskId: this.visitTaskId, taskBlindName: this.taskBlindName })
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          this.loadAllImages()
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        }
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        this.isRender = true
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        // this.loading = false
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        loading.close()
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      }).catch(() => {
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        // this.loading = false
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        loading.close()
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      })
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    },
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    getMeasuredData() {
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      return new Promise((resolve, reject) => {
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        // this.loading = true
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        const loading = this.$loading({ fullscreen: true })
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        getTableAnswerRowInfoList(this.visitTaskId).then(res => {
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          res.Result.forEach(el => {
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            if (el.MeasureData) {
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              el.MeasureData = JSON.parse(el.MeasureData)
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            }
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          })
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          this.measuredData = res.Result
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          // this.loading = false
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          loading.close()
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          resolve()
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        }).catch(() => {
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          // this.loading = false
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          loading.close()
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          reject()
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        })
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      })
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    },
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    addTemporaryMeasuredData(data) {
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      this.measuredData.push(data)
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      this.studyList[this.studyIndex].SeriesList[this.seriesIndex].measuredData = this.measuredData
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      Store.$emit('updateImage', { measuredData: this.measuredData, instanceId: data.InstanceId })
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    },
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    // 缩略图下载成功回调,默认下载第一个检查的所有序列
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    previewImageLoad() {
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      this.studyList[0].PreviewImageCount++
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      if (this.studyList[0].PreviewImageCount === this.studyList[0].SeriesCount) {
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        this.loadAllImages()
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      }
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    },
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    // 缩略图下载失败回调,默认下载第一个检查的所有序列
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    previewImageLoadError() {
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      this.studyList[0].PreviewImageCount++
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      if (this.studyList[0].previewImageCount === this.studyList[0].seriesCount) {
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        this.loadAllImages()
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      }
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    },
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    showSeriesImage(e, studyIndex, seriesIndex) {
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      this.studyIndex = studyIndex
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      this.seriesIndex = seriesIndex
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      this.studyList[studyIndex].SeriesList[seriesIndex].measuredData = this.measuredData
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      this.$emit('loadImageStack', this.studyList[studyIndex].SeriesList[seriesIndex])
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      Store.$emit('loadMeasurementList', { visitTaskId: this.visitTaskId, taskBlindName: this.taskBlindName })
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    },
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    toggleStudy(stack) {
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      if (!stack.studyId) return
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      var studyIdx = this.studyList.findIndex(study => study.StudyId === stack.studyId)
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      if (studyIdx === -1) return
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      var study = this.studyList[studyIdx]
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      var seriesIdx = study.SeriesList.findIndex(series => series.seriesId === stack.seriesId)
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      if (seriesIdx === -1) return
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      this.studyIndex = studyIdx
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      this.seriesIndex = seriesIdx
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      Store.$emit('loadMeasurementList', { visitTaskId: this.visitTaskId, taskBlindName: this.taskBlindName })
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    },
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    loadAllImages() {
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      requestPoolManager.startTaskTimer()
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      const scope = this
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      this.studyList[0].SeriesList.forEach(series => {
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        series.imageIds.forEach(imageId => {
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          scope.load(imageId)
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        })
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      })
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    },
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    load(imageId, priority = 999) {
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      return new Promise((resolve, reject) => {
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        const imageTask = this.buildImageRequestTask(imageId, { priority })
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        requestPoolManager.addTaskIntoPool(imageTask).then((res) => {
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          resolve(res)
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        }).catch(e => {
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          reject(e)
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          console.log(e)
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        })
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      })
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    },
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    buildImageRequestTask(imageId, config = {}) {
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      return {
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        key: imageId,
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        ...config,
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        execute: () => {
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          return cornerstone.loadAndCacheImage(imageId)
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        }
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      }
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    },
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    datasetsCacheChanged(e) {
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      const cacheInfo = e.detail.cacheInfo
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      const cacheSizeInBytes = cacheInfo.cacheSizeInBytes
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      if (cacheSizeInBytes >= maximumSizeInBytes) {
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        // 清理缓存的影像
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      }
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    },
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    // instance下载成功回调
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    cornerstoneImageLoaded(e) {
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      const uri = e.detail.image.sharedCacheKey
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      const index = this.cachedImages.findIndex(item => item.uri === uri)
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      if (index === -1) {
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        this.cachedImages.push({ uri: uri, timestamp: new Date().getTime() })
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      } else {
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        this.cachedImages[index].timestamp = new Date().getTime()
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      }
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      var imageId = e.detail.image.imageId
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      var seriesUid = e.detail.image.data.string('x0020000e')
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      var studyIndex = -1
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      var seriesIndex = -1
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      for (let i = 0; i < this.studyList.length; ++i) {
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        for (let j = 0; j < this.studyList[i].SeriesList.length; ++j) {
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          if (this.studyList[i].SeriesList[j].seriesUid === seriesUid) {
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            studyIndex = i
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            seriesIndex = j
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            break
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          }
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        }
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        if (studyIndex > 0) break
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      }
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      if (seriesIndex < 0) return
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      const imageIdIndex = this.studyList[studyIndex].SeriesList[seriesIndex].imageIds.indexOf(imageId)
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      if (imageIdIndex < 0) return
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      if (this.studyList[studyIndex].SeriesList[seriesIndex].imageloadedArr.indexOf(imageId) < 0) {
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        ++this.studyList[studyIndex].SeriesList[seriesIndex].prefetchInstanceCount
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        this.studyList[studyIndex].SeriesList[seriesIndex].imageloadedArr.push(imageId)
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        if (this.studyList[studyIndex].SeriesList[seriesIndex].prefetchInstanceCount >= this.studyList[studyIndex].SeriesList[seriesIndex].instanceCount) {
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          this.studyList[studyIndex].SeriesList[seriesIndex].prefetchInstanceCount = this.studyList[studyIndex].SeriesList[seriesIndex].instanceCount
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          // 设置当前序列状态为已下载完成
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          this.studyList[studyIndex].SeriesList[seriesIndex].loadStatus = true
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        }
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      }
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    }
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  }
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}
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</script>
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<style lang="scss" scoped>
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.study-wrapper{
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  width:100%;
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  height: 100%;
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  overflow-y: auto;
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  .dicom-desc{
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    font-weight: bold;
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    font-size: 13px;
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    text-align: center;
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    color: #d0d0d0;
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    padding: 2px;
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  }
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  .ps {
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    overflow-anchor: none;
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    touch-action: auto;
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  }
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  .series-active {
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    background-color: #607d8b!important;
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    border: 1px solid #607d8b!important;
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  }
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  >>>.el-progress__text{
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    color: #ccc;
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    font-size: 12px;
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  }
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  .series{
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    width: 100%;
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    display: flex;
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    flex-direction: column;
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    justify-content: flex-start;
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    .series-wrapper {
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      display: flex;
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      flex-direction: row;
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      justify-content: space-between;
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      align-items: center;
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      width: 100%;
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      height: 85px;
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      // padding: 1px 2px 1px 8px;
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      // margin: 10px 0px;
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      border-radius: 2px;
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      border: 1px solid #404040;
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      background-color: #3a3a3a;
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      .el-progress__text{
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        display: none;
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      }
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      .el-progress-bar{
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        padding-right:0px;
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      }
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      .image-preview {
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        height: 60px;
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        width: 60px;
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        border: 2px solid #252525;
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        cursor: pointer;
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      }
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      .image-desc {
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        vertical-align: top;
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        p{
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          width: 100px;
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          white-space: nowrap;
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          overflow: hidden;
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          text-overflow: ellipsis;
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          font-size: 12px;
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          color: #ddd;
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          padding: 1px;
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          margin: 0px;
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        }
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      }
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    }
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  }
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}
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</style>
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