SocialNetworks_duan/src/views/KeyNodeDiscern/bridgeCommunication/components/GraphPanel.vue

<template>
  <div class="right-panel">
    <img src="@/assets/images/head/bayi.png" alt="" class="head" />
    <div class="key-node-recognition">
      <div class="content-wrapper">
        <div class="chart-container">
          <BridgeCommunityGraph
            ref="bridgeGraphRef"
            v-if="currentComponent == 'BridgeCommunityNode'"
            :timestamp="store.activeTimePoint"
            @click:navigateToCommunityDetail="handleClickCommunity"
          />
          <DetailCommunityGraph
            v-else
            ref="detailCommunityGraphRef"
            :communityId="currentSelectedCommunityId"
            @click:goback="handleClickGoBack"
          />
        </div>
        <div class="timeline-container">
          <span class="time-label">2023.10.07 00:00:00</span>
          <div class="timeline-track" :style="trackStyle">
            <div
              v-for="point in store.timePoints"
              :key="point.id"
              class="timeline-point-wrapper"
              :style="{ left: `${pointPositions[point.id]}%` }"
              @click="store.setActiveTimePoint(point.id)"
            >
              <el-tooltip
                class="timePoint-box-item"
                effect="light"
                :content="point.timestamp"
                placement="bottom"
              >
                <div class="timeline-point" :class="{ active: store.activeTimePoint === point.id }">
                  <el-popover
                    v-if="store.activeTimePoint === point.id"
                    effect="dark"
                    placement="top"
                    :title="point.leaderId"
                    :width="50"
                    trigger="click"
                    content="发布贴文"
                  >
                    <template #reference>
                      <div class="active-pin"></div>
                    </template>
                  </el-popover>
                </div>
              </el-tooltip>
            </div>
          </div>
          <span class="time-label">2023.10.15 00:00:00</span>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, defineExpose, watch, computed } from "vue"
import { useKeyNodeStore2 } from "@/store/keyNodeStore2"

import BridgeCommunityGraph from "./graph/bridgeCommunityGraph.vue"
import DetailCommunityGraph from "./graph/detailCommunityGraph.vue"

const store = useKeyNodeStore2()
const leaderGraphRef = ref(null)
// 添加对BridgeCommunityGraph的引用
const bridgeGraphRef = ref(null)
// 设置当前激活的组件--默认是BridgeCommunityGraph
const currentComponent = ref("BridgeCommunityNode")
const currentSelectedCommunityId = ref(null)

const handleGraphNodeClick = (leaderData) => {
  store.openLeaderDetail(leaderData)
}

const handleClickCommunity = (communityId) => {
  if (communityId) {
    currentComponent.value = "DetailCommunityNode"
    currentSelectedCommunityId.value = communityId
  }
}

const handleClickGoBack = (currentComponentName) => {
  currentComponent.value = currentComponentName
}

const highlightNode = (leaderId) => {
  if (leaderGraphRef.value) {
    leaderGraphRef.value.highlightNode(leaderId)
  }
  // 调用BridgeCommunityGraph的highlightNode方法
  if (bridgeGraphRef.value) {
    bridgeGraphRef.value.highlightNode(leaderId)
  }
}

// 计算时间点在时间轴上的位置百分比
const calculatePositions = (timestamp) => {
  // 时间范围: 2023-10-07T00:00:00 到 2023-10-15T00:00:00
  const startTime = new Date("2023-10-07T00:00:00").getTime()
  const endTime = new Date("2023-10-15T00:00:00").getTime()
  const timeRange = endTime - startTime
  // 复制并排序时间点数据
  const sortedPoints = [...store.timePoints].sort((a, b) => {
    return new Date(a.timestamp).getTime() - new Date(b.timestamp).getTime()
  })
  // 计算每个点的原始位置
  const pointPositions = {}
  sortedPoints.forEach((point) => {
    const pointTime = new Date(point.timestamp).getTime()
    const position = ((pointTime - startTime) / timeRange) * 100
    pointPositions[point.id] = Math.max(0, Math.min(100, position))
  })
  // 处理重叠 (假设每个点宽度约为20px，时间轴总宽度为可用宽度)
  const pointWidthPercentage = 5 // 估算的点宽度百分比
  const minSpacing = pointWidthPercentage // 最小间距百分比

  // 调整重叠的点
  for (let i = 1; i < sortedPoints.length; i++) {
    const prevPoint = sortedPoints[i - 1]
    const currPoint = sortedPoints[i]

    const prevPosition = pointPositions[prevPoint.id]
    const currPosition = pointPositions[currPoint.id]

    // 检查是否重叠
    if (currPosition - prevPosition < minSpacing) {
      // 调整当前点位置
      pointPositions[currPoint.id] = prevPosition + minSpacing

      // 确保不超出范围
      if (pointPositions[currPoint.id] > 100) {
        pointPositions[currPoint.id] = 100
      }
    }
  }

  return pointPositions
}

// 响应式引用存储位置信息
const pointPositions = ref({})

// 监听时间点变化，重新计算位置
watch(
  () => store.timePoints,
  () => {
    pointPositions.value = calculatePositions()
  },
  { immediate: true, deep: true }
)

// 计算时间轴轨道样式
const trackStyle = computed(() => {
  if (!store.activeTimePoint) return {}
  const activePosition = pointPositions.value[store.activeTimePoint] || 0
  return {
    background: `linear-gradient(90deg, #3B7699 0%, #00F3FF ${activePosition}%, #3B7699 ${activePosition}%, #3B7699 100%)`
  }
})

defineExpose({ highlightNode })
</script>

<style scoped lang="less">

.right-panel {
  width: 100%;
  height: 100%;
  position: relative;
}
.head {
  margin: 0 auto;
}
.key-node-recognition {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.background-svg-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.content-wrapper {
  width: 100%;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;

  box-sizing: border-box;
  .graph-img-title {
    display: absolute;
    top: 0;
    margin: 0 auto;
  }

}
.chart-container {
  width: 100%;
  height: 100%;
  margin-top: 35px;
}
.timeline-container {
  width: 95%;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0px 10px;
  box-sizing: border-box;
  position: absolute;
  z-index: 1;
  bottom: 15px;
  left: 20px;
  border-radius: 4px;
  border: 1px solid #3aa1f8;
  background: linear-gradient(270deg, rgba(0, 82, 125, 0.48) 0%, rgba(0, 200, 255, 0.23) 100%);
  backdrop-filter: blur(3px);
}
.time-label {
  font-size: 12px;
  color: #a9c2e0;
}
.timeline-track {
  flex-grow: 1;
  height: 4px;
  margin: 0 15px;
  position: relative;
  display: flex;
  align-items: center;
}
.timeline-point-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 20px;
  cursor: pointer;
  position: absolute;
  transform: translateX(-50%);
}
.timeline-point {
  width: 18px;
  height: 18px;
  background-color: transparent;
  border-radius: 50%;
  border: 1.6px solid #ffe5a4;
  transition: transform 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-point::after {
  content: "";
  width: 10px;
  height: 10px;
  background-color: #f9bd25;
  border-radius: 50%;
  position: absolute;
}

.timeline-point-wrapper:hover .timeline-point {
  transform: scale(1.5);
}
.timeline-point.active {
  background-color: transparent;
  border-color: #ffe5a4;
  transform: scale(1.3);
}
.active-pin {
  width: 30px;
  height: 34px;
  background-image: url("@/assets/images/point.png");
  background-size: cover;
  bottom: 6px;
  position: absolute;
}
</style>