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<template>
  <dv-full-screen-container class="full-screen-container">
    <div>
      <!--页头区域-->
      <header class="page-header" :style="{height: pageHeaderHeight+'px'}">
        <a-row style="height: 100%">
          <a-col :span="7" class="header-left">
            <a-space>
              <span>功能开关</span>
              <a-switch
                checked-children="开"
                un-checked-children="关"
                @change="handleSwitchChange"
                v-model="isSwitchChecked"
                :disabled="isSwitchChecked"
              />
              <a-button type="primary" icon="save" size="large" @click="saveDevicePositionAndSizeByApi">保存位置</a-button>
            </a-space>
          </a-col>
 
          <a-col :span="10" class="workshop-name">{{ workshopDetails.workshopName }}</a-col>
 
          <a-col :span="7" class="device-status-info">
            <a-space v-for="item in deviceStatusList" :key="item.value" class="single-status-info">
              <div :style="{color:item.checked?'#1890FF':'#fff'}">{{ item.label }}</div>
              <div class="status-square" :style="{ backgroundColor: item.color }"></div>
              <div>{{getDeviceNumberByStatus(item.value) }}</div>
            </a-space>
          </a-col>
        </a-row>
      </header>
 
      <!--拖拽设备区域-->
      <div class="content-container" ref="deviceContainerRef" style="overflow: auto">
        <img :src="imgSrc" width="1920" height="900">
        <div class="guideline guidelineX" :style="{top:guidelineXTop+'px',display:showGuideline}"></div>
        <div class="guideline guidelineY" :style="{left:guidelineYLeft+'px',display:showGuideline}"></div>
        <VueDragResize
          v-for="(item, index) in deviceList"
          :key="item.equipmentId"
          :w="item.vw"
          :h="item.vh"
          :x="item.coordinateLeft"
          :y="item.coordinateTop"
          v-on:resizing="resize($event, index)"
          v-on:dragging="resize($event, index)"
          :parentLimitation="parentLimitation"
          :parentH="parentH"
          :parentW="parentW"
          :minw="70"
          :minh="70"
          :isDraggable="isDraggable"
          :isResizable="isResizable"
          :stickSize="6"
          @deactivated="showGuideline = 'none'"
        >
          <div class="single-device" :style="{ width: item.vw + 'px', height: item.vh + 'px' }"
               @click="openDetail(item)">
            <div class="device-status">
              <div
                :style="{ backgroundImage: `url(${getStatusImgUrl(item.equipmentStatus)})` }"
                class="status-image"
              ></div>
              <div
                :style="{ backgroundImage: `url(${getImgView(item.equipmentImage)})` }"
                class="device-image"
              ></div>
            </div>
            <div :style="{ color:workshopDetails.equipmentIdColor }">
              {{ item.equipmentId }}
            </div>
          </div>
        </VueDragResize>
      </div>
 
      <EquipmentDetailModal ref="EquipmentDetailModal"></EquipmentDetailModal>
    </div>
  </dv-full-screen-container>
</template>
 
<script>
  import VueDragResize from 'vue-drag-resize'
  import api from '@/api/mdc'
  import { getFileAccessHttpUrl } from '@/api/manage'
  import EquipmentDetailModal from './modules/DeviceBaseInfo/EquipmentDetailModal.vue'
  import { message } from 'ant-design-vue'
 
  message.config({
    maxCount: 3
  })
 
  export default {
    components: {
      VueDragResize,
      EquipmentDetailModal
    },
    data() {
      return {
        pageHeaderHeight: 80,// 页头高度
        workshopDetails: {}, //  车间详细信息,
        isDraggable: false, // 是否开启拖拽
        isResizable: false, // 是否开启缩放
        isSwitchChecked: false, // 是否开启功能
        timingAcquisition: null, // 定时刷新是否开启
        parentH: 5000,//父级高度
        parentW: 1920,//父级宽度
        showGuideline: 'none',
        guidelineXTop: 0,
        guidelineYLeft: 0,
        deviceList: [], // 设备信息列表
        deviceStatusList: [
          {
            label: '关机',
            value: 0,
            color: '#A8A8A8'
          },
          {
            label: '待机',
            value: 2,
            color: '#FFFF00'
          },
          {
            label: '运行',
            value: 3,
            color: '#00EE00'
          },
          {
            label: '报警',
            value: 22,
            color: '#FF0000'
          },
          {
            label: '故障',
            value: 5,
            color: '#C11900'
          }
        ],// 设备状态指示灯列表,
        windowHeight: null,// 当前浏览器可视区域高度((不包括工具栏、书签、底部任务栏)
        isFullScreen: false,// 进入看板页面时是否为全屏模式,不包括正常模式进入后切换为全屏模式
        parentLimitation: false,// 拖拽区域是否限制在父元素区域内,
        checkedStatusCount: null,// 已勾选筛选状态个数
        imgSrc: ''// 车间图纸地址
      }
    },
    watch: {
      isSwitchChecked: {
        handler(newVal) {
          if (!newVal) {
            console.log('定时器开启中')
            this.timingAcquisition = setInterval(() => {
              this.getDeviceListByApi(this.$route.params.id)
            }, 2000)
          } else {
            console.log('关闭定时器')
            clearInterval(this.timingAcquisition)
            this.timingAcquisition = null
          }
        },
        immediate: true
      }
    },
    methods: {
      /**
       * 通过车间Id调用接口获取设备信息列表
       * @param id 车间Id
       */
      getDeviceListByApi(id) {
        api.getDeviceListInWorkshopSignagePageApi(id).then((res) => {
          if (res.result && res.result.length > 0) {
            this.deviceList = res.result
          }
        })
      },
 
      /**
       * 通过车间Id调用接口获取车间详细信息
       * @param id 车间Id
       */
      getWorkshopDetailsByApi(id) {
        api.getWorkshopDetailByWorkshopIdApi(id).then((res) => {
          this.workshopDetails = res.result
          this.imgSrc = this.getImgView(this.workshopDetails.backgroundImage)
          this.$refs.deviceContainerRef.style.height = (this.windowHeight - this.pageHeaderHeight) + 'px'
          this.parentH = 900
          this.parentLimitation = true // 在父元素高度设置后再设置限制拖拽区域,不这样有概率导致父元素高度未设置就限制拖拽
        })
      },
 
      /**
       * 图片预览
       * @param text 图片地址
       */
      getImgView(text) {
        if (text && text.indexOf(',') > 0) {
          text = text.substring(0, text.indexOf(','))
        }
        return getFileAccessHttpUrl(text)
      },
 
      /**
       * 点击保存按钮调用接口保存拖拽后的位置与设备图标尺寸
       */
      saveDevicePositionAndSizeByApi() {
        console.log('触发保存')
        if (this.isOperatingDevice) {
          api.saveDevicePositionAndSizeApi(this.deviceList).then((res) => {
            if (res.code === 200) {
              this.$notification.success({
                message: '消息',
                description: res.message
              })
              this.isOperatingDevice = false
              if (this.isSwitchChecked) {
                this.isSwitchChecked = false
                this.isResizable = !this.isResizable
                this.isDraggable = !this.isDraggable
              }
              this.getDeviceListByApi(this.$route.params.id)
            }
          })
        } else {
          this.$notification.warning({
            message: '消息',
            description: '请开启功能后再进行保存'
          })
        }
      },
 
      /**
       * 设备拖拽或缩放时触发事件
       * @param newRect 拖拽或缩放后的尺寸及距离
       * @param index 拖拽设备在数组中的下标
       */
      resize(newRect, index) {
        this.showGuideline = 'block'
        this.deviceList[index].vw = newRect.width
        this.deviceList[index].vh = newRect.height
        this.deviceList[index].coordinateTop = newRect.top
        this.deviceList[index].coordinateLeft = newRect.left
        this.guidelineXTop = newRect.top + newRect.height / 2
        this.guidelineYLeft = newRect.left + newRect.width / 2
      },
 
      /**
       * 根据设备状态值获取对应设备数量
       * @param value 设备状态值
       * @returns {number} 设备数量
       */
      getDeviceNumberByStatus(value) {
        if (value === 99) return this.deviceList.length
        return this.deviceList.filter((item) => item.equipmentStatus === value).length
      },
 
      /**
       * 开启功能触发事件
       * @param checked 当前switch状态,是否开启,初始为false
       */
      handleSwitchChange(checked) {
        this.isOperatingDevice = true
        this.isResizable = !this.isResizable
        this.isDraggable = !this.isDraggable
      },
 
      /**
       * 开启功能触发事件
       * @param record 点击的设备信息
       */
      openDetail(record) {
        if (!this.isSwitchChecked) {
          if (record.equipmentStatus == 0) {
            this.$message.warning('设备处于关机状态!')
            return false
          }
          this.$refs.EquipmentDetailModal.initData(record.equId)
          this.$refs.EquipmentDetailModal.timerModel(record.equId)
        }
      },
 
      /**
       * 根据设备状态值获取对应三色灯图片地址
       * @param imgStatus 设备状态值
       */
      getStatusImgUrl(imgStatus) {
        switch (imgStatus) {
          case 1:
          case 2:
            return require('@/assets/yellow.png')
          case 3:
            return require('@/assets/green.png')
          case 22:
            return require('@/assets/red.png')
          case 5:
            return require('@/assets/orange.png')
          default:
            return require('@/assets/gray.png')
        }
      },
 
      /**
       * 浏览器尺寸发生改变时触发
       */
      handleWindowSizeChange() {
        const windowHeight =
          window.innerHeight ||
          document.documentElement.clientHeight ||
          document.body.clientHeight
        this.$refs.deviceContainerRef.style.height = (windowHeight - this.pageHeaderHeight) + 'px'
      }
    },
    created() {
      if (this.$route.params.id) {
        this.getDeviceListByApi(this.$route.params.id)
        this.getWorkshopDetailsByApi(this.$route.params.id)
      }
      this.checkedStatusCount = this.deviceStatusList.length - 1
    },
    mounted() {
      // 禁止用户选中内容
      document.onselectstart = () => false
 
      this.windowHeight =
        window.innerHeight ||
        document.documentElement.clientHeight ||
        document.body.clientHeight
 
      window.addEventListener('resize', this.handleWindowSizeChange)
    },
    beforeDestroy() {
      // 确保销毁定时器、事件及回收资源
      clearInterval(this.timingAcquisition)
      this.timingAcquisition = null
    }
  }
</script>
 
<style scoped lang="less">
  .full-screen-container {
    background-image: url('../../../assets/Bj.jpg');
    background-size: 100% 100%;
    color: #fff;
 
    .page-header {
      .header-left {
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        padding-top: 20px;
      }
 
      .workshop-name {
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 50px;
      }
 
      .device-status-info {
        height: 100%;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        padding-top: 20px;
 
        .single-status-info {
          margin: 10px;
 
          .status-square {
            width: 14px;
            height: 14px;
            border: 1px solid #fff;
            border-radius: 3px;
          }
        }
      }
    }
 
    .content-container {
      width: 100%;
      background-repeat: no-repeat;
      background-size: 100% 100%;
      position: relative;
 
      .guideline {
        position: absolute;
        border: 1px dashed #ccc;
      }
 
      .guidelineX {
        width: 1920px;
        left: 0;
      }
 
      .guidelineY {
        top: 0;
        height: 900px;
      }
 
      .single-device {
        position: absolute;
        border: 1px solid transparent;
        padding: 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
 
        .device-status {
          width: 100%;
          height: 100%;
          display: flex;
          -webkit-align-items: flex-end;
          -moz-align-items: flex-end;
          -ms-align-items: flex-end;
 
          .status-image {
            background-size: 100% 100%;
            background-repeat: no-repeat;
            width: 10px;
            height: 60%;
            margin-right: 5px;
          }
 
          .device-image {
            background-size: 100% 100%;
            background-repeat: no-repeat;
            width: 100%;
            height: 100%;
          }
        }
      }
    }
  }
</style>