<template>
	<div ref='dataBoardBoxB' class='dataBoardBoxB'>
		<div id="dataBoardBox" class='dataBoardBox' style="width: 1920px;height: 1080px;" :style="{ transform: 'scale(' + scaleNum + ')' }">
			<DataBoardHeader
				:is-full-screen="isFullScreen"
				@screenfullChange="screenfullChange"
			/>
			<LeftTop />
			<LeftBottom />
			<CenterTop :scaleNum='scaleNum'/>
			<CenterBottomL />
			<CenterBottomR />
			<RightTop />
			<RightBottom />
		</div>
	</div>
</template>

<script>
import DataBoardHeader from './components/Header.vue';
import LeftTop from './components/LeftTop.vue';
import LeftBottom from './components/LeftBottom.vue';
import CenterTop from './components/CenterTop.vue';
import CenterBottomL from './components/CenterBottomL.vue';
import CenterBottomR from './components/CenterBottomR.vue';
import RightTop from './components/RightTop.vue';
import RightBottom from './components/RightBottom.vue';
import { debounce } from '@/utils/debounce';
import screenfull from 'screenfull';
export default {
	name: 'DataBoard',
	components: { DataBoardHeader,LeftTop,LeftBottom,CenterTop,CenterBottomL,CenterBottomR,RightTop,RightBottom },
	props: {},
	data() {
		return {
			isFullScreen: false,
			scaleNum: 0.8,
		};
	},
	created() {
    this.init()
  },
	mounted() {
	  this.boxReset = debounce(() => {
      this.resetSize()
    }, 300)
    this.boxReset()
    window.addEventListener('resize', () => {
      this.boxReset()
    })
	},
	computed: {
		sidebarOpened() {
			return this.$store.state.app.sidebar.opened
		}
	},
	watch: {
		sidebarOpened(newVal, oldVal) {
			this.boxReset()
		}
	},
	methods: {
		change() {
      this.isFullScreen = screenfull.isFullscreen
    },
		init() {
      if (!screenfull.isEnabled) {
        this.$message({
          message: 'you browser can not work',
          type: 'warning'
        })
        return false
      }
      screenfull.on('change', this.change)
    },
    destroy() {
      if (!screenfull.isEnabled) {
        this.$message({
          message: 'you browser can not work',
          type: 'warning'
        })
        return false
      }
      screenfull.off('change', this.change)
    },
		// 全屏
    screenfullChange() {
      if (!screenfull.isEnabled) {
        this.$message({
          message: 'you browser can not work',
          type: 'warning'
        })
        return false
      }
      screenfull.toggle(this.$refs.dataBoardBoxB)
    },
		resetSize() {
      const dataBoardBox = document.getElementById('dataBoardBox')
      const rw = parseFloat(window.innerWidth)
			const rh = parseFloat(window.innerHeight)
      const bw = parseFloat(dataBoardBox.style.width)
      const bh = parseFloat(dataBoardBox.style.height)
      let wx = 0
			let hy = 0
      if (screenfull.isFullscreen) {
        wx = rw / bw
				hy = rh / bh
      } else {
        if (this.$store.state.app.sidebar.opened) {
          wx = (rw - 283) / bw
        } else {
          wx = (rw - 88) / bw
        }
				hy = (rh - 150) / bh
      }
      this.scaleNum = wx < hy ? wx : hy
    },
	},
};
</script>

<style scoped lang="scss">
	.dataBoardBoxB {
		width: 100%;
		height: calc(100vh - 150px);
		position: relative;
		overflow: auto;
		.dataBoardBox {
			position: absolute;
			transform-origin: 16px 8px;
			font-size: 16px;
			top: 0px;
			left: 0px;
			background: url('../../../assets/images/dataBoard/background.png') no-repeat;
			background-size: cover;
			background-position: 0 0;
			overflow: auto;
		}		
	}
</style>
