<template>
  <!-- 综合展示 -->
  <div class="ComprehensiveDisplayMain">
    <!-- 第一层：新闻中心、平台介绍 -->
    <div class="ComprehensiveDisplayMain_IntroductionOfNewsCenterAndPlatform">
      <!-- 新闻中心 -->
      <el-card class="Newscenter">
        <!-- 新闻中心标题 -->
        <div slot="header" class="clearfix userSelect_None">
          <span class="clearfix_title"><i class="elIcon el-icon-message-solid"></i>新闻中心</span>
          <span class="clearfix_titleEn" type="text">News Center</span>
        </div>
        <!-- 新闻中心主题 -->
        <div class="Newscenter_main">
          <!-- 图片轮播区域 -->
          <el-carousel class="Newscenter_main_byArea" height="200px">
            <el-carousel-item v-for="(item, index) in data.NewscenterAreas" :key="index">
              <el-image style="cursor: pointer" :src="item.imageUrl" @click="Jump(item.jumpUrl)" :alt="item.alt"> </el-image>
              <div class="Newscenter_main_byArea_alt userSelect_None">
                <el-tooltip class="item" effect="dark" :content="item.alt" :open-delay="1000">
                  <span>{{ item.alt }}</span>
                </el-tooltip>
              </div>
            </el-carousel-item>
          </el-carousel>
          <!-- 新闻中心内容 -->
          <div class="Newscenter_main_content">
            <!-- 标题 -->
            <el-tooltip class="item" effect="dark" :content="data.NewscenterData.NewscenterTitle" :open-delay="1000">
              <div class="title" @click="Jump(data.NewscenterData.NewscenterUrl)">{{ data.NewscenterData.NewscenterTitle }}</div>
            </el-tooltip>
            <!-- 内容 -->
            <el-tooltip class="item" effect="dark" :content="data.NewscenterData.NewscenterContent" :open-delay="1000">
              <div class="content userSelect_None">
                {{ data.NewscenterData.NewscenterContent }}
              </div>
            </el-tooltip>
            <!-- 小标题 -->
            <div v-if="data.NewscenterData.NewscenterTitles.length > 0">
              <el-carousel height="70px" direction="vertical">
                <el-carousel-item v-for="index in Math.ceil(data.NewscenterData.NewscenterTitles.length / 2)" :key="index">
                  <el-tooltip
                    class="item"
                    effect="dark"
                    :content="data.NewscenterData.NewscenterTitles[2 * index - 2].title"
                    :open-delay="1000"
                  >
                    <div class="titles" @click="Jump(data.NewscenterData.NewscenterTitles[2 * index - 2].url)">
                      {{ data.NewscenterData.NewscenterTitles[2 * index - 2].title }}
                    </div>
                  </el-tooltip>
                  <div v-if="data.NewscenterData.NewscenterTitles[2 * index - 1]">
                    <el-tooltip
                      class="item"
                      effect="dark"
                      :content="data.NewscenterData.NewscenterTitles[2 * index - 1].title"
                      :open-delay="1000"
                    >
                      <div class="titles" @click="Jump(data.NewscenterData.NewscenterTitles[2 * index - 1].url)">
                        {{ data.NewscenterData.NewscenterTitles[2 * index - 1].title }}
                      </div>
                    </el-tooltip>
                  </div>
                </el-carousel-item>
              </el-carousel>
            </div>
            <div v-else>暂无数据</div>
          </div>
        </div>
      </el-card>
      <!-- 平台介绍 -->
      <el-card class="PlatformIsIntroduced">
        <!-- 平台介绍标题 -->
        <div slot="header" class="clearfix userSelect_None">
          <span class="clearfix_title"><i class="elIcon el-icon-s-flag"></i>平台介绍</span>
          <span class="clearfix_titleEn" type="text">Platform Introduction</span>
        </div>
        <!-- 平台介绍主题 -->
        <div class="PlatformIsIntroduced_main" v-html="data.PlatformIsIntroducedContent"></div>
      </el-card>
    </div>
    <!-- 第二层：中国地理信息平台 -->
    <el-card class="ComprehensiveDisplayMain_ChinaGeographicInformationCenter">
      <!-- 平台介绍内容 -->
      <span class="ChinaGeographicInformationCenterTitle userSelect_None" @click="undefinedFunction()">中国地理信息平台</span>
    </el-card>
    <!-- 第三层：服务中心 -->
    <el-card class="ComprehensiveDisplayMain_ServiceCenter">
      <!-- 服务中心标题 -->
      <div slot="header" class="clearfix userSelect_None">
        <span class="clearfix_title"><i class="elIcon el-icon-s-cooperation"></i>服务中心</span>
        <span class="clearfix_titleEn" type="text">Service Center</span>
      </div>
      <!-- 服务中心主题 -->
      <div class="ServiceCenter_main userSelect_None">
        <div @click="undefinedFunction()"><i class="el-icon-s-operation" style="margin-right: 47px"></i>数据管理</div>
        <div @click="undefinedFunction()"><i class="el-icon-s-promotion" style="margin-right: 47px"></i>专题发布</div>
        <div @click="undefinedFunction()"><i class="el-icon-data-line" style="margin-right: 47px"></i>数据可视化</div>
      </div>
    </el-card>
  </div>
</template>

<script>
export default {
  name: "ComprehensiveDisplay",
  components: {},
  data() {
    //   后续可调用后端接口动态显示
    return {
      data: {}
    };
  },
  computed: {},
  created() {
    let that = this;
    $.getJSON("./static/config/ComprehensiveDisplayData.json", function (result) {
      that.data = result;
    });
  },
  mounted() {},
  methods: {
    Jump(jumpUrl) {
      window.open(jumpUrl);
    },
    undefinedFunction() {
      this.$message.info("敬请期待！");
    }
  }
};
</script>

<style lang="less" scoped>
// 主题
.ComprehensiveDisplayMain {
  display: flex;
  flex-direction: column;
  align-items: center;
  // 第一层：新闻中心、平台介绍
  &_IntroductionOfNewsCenterAndPlatform {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    align-content: center;
    flex-wrap: wrap;
    margin-bottom: 15px;
    // 新闻中心
    .Newscenter {
      width: calc(50% - 15px);
      height: 300px;
      &_main {
        display: flex;
        justify-content: space-between;
        align-items: center;
        align-content: center;
        &_byArea {
          width: 360px;
          height: 200px;
          //   轮播组件指示器样式
          /deep/ .el-carousel__button {
            width: 15px;
          }
          /deep/ .el-carousel__arrow {
            background: rgba(0, 0, 0, 0.75);
            box-shadow: 0px 0px 5px 1px #ffffff, 0px 0px 10px 2px #000000;
          }
          &_alt {
            width: 100%;
            position: absolute;
            bottom: 20px;
            background: linear-gradient(90deg, #409eff, #409eff64);
            span {
              color: #ffffff;
              margin: 5px 10px;
              font-size: 14px;
              overflow: hidden;
              text-overflow: ellipsis;
              display: -webkit-box;
              -webkit-box-orient: vertical;
              -webkit-line-clamp: 1;
            }
          }
        }
        &_content {
          width: 321px;
          height: 200px;
          overflow: hidden;
          text-overflow: ellipsis;
          .title {
            font-size: 22px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            color: #409eff;
            line-height: 24px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            &:hover {
              cursor: pointer;
              color: #409eff;
              text-decoration: underline #409eff;
            }
          }
          .content {
            margin: 18px 0 27px 0;
            font-size: 18px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            color: #808080;
            line-height: 24px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
          }
          /deep/ .el-carousel__button {
            height: 15px;
            background-color: #303133;
          }
          .titles {
            width: 300px;
            margin-bottom: 22px;
            font-size: 18px;
            font-family: Microsoft YaHei;
            font-weight: 400;
            text-shadow: 0 0 1px #4c4c4c;
            color: #4c4c4c;
            line-height: 24px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            &:hover {
              cursor: pointer;
              color: #409eff;
              text-decoration: underline #409eff;
            }
          }
        }
      }
    }
    // 平台介绍
    .PlatformIsIntroduced {
      width: calc(50% - 15px);
      height: 300px;
      &_main {
        height: 190px;
        text-indent: 36px;
        font-size: 18px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #808080;
        line-height: 32px;
        overflow-y: scroll;
      }
    }
  }
  // 第二层：中国地理信息平台
  &_ChinaGeographicInformationCenter {
    width: 100%;
    height: 90px;
    display: flex;
    align-content: center;
    flex-direction: row-reverse;
    align-items: center;
    margin: 10px 0px;
    background-image: url(~@/assets/images/ChinaGeographicInformationCenterTitleImage.png);
    .ChinaGeographicInformationCenterTitle {
      font-size: 30px;
      font-family: Microsoft YaHei;
      font-weight: bold;
      color: #ffffff;
      line-height: 40px;
      text-shadow: 2px 2px 5px #000, 2px 2px 10px white;
      transition: all 0.3s;
      padding-right: 20px;
      &:hover {
        cursor: pointer;
        text-shadow: 2px 2px 5px #000, 1px 1px 15px white;
      }
    }
  }
  // 第三层：服务中心
  &_ServiceCenter {
    width: 100%;
    margin: 15px 0px;
    .ServiceCenter_main {
      display: flex;
      justify-content: space-around;
      align-items: center;
      align-content: center;
      flex-wrap: nowrap;
      div {
        display: flex;
        justify-content: center;
        align-items: center;
        align-content: center;
        flex-wrap: nowrap;
        width: calc(33% - 40px);
        height: 90px;
        background: #0589ff;
        border-radius: 3px;
        font-size: 40px;
        font-family: YouSheBiaoTiHei;
        font-weight: 400;
        color: #d9f1ff;
        line-height: 40px;
        transition: all 0.3s;
        &:hover {
          cursor: pointer;
          color: #ffffff;
          background: #05a3ff;
          text-shadow: 1px 1px 2px #0589ff, 1px 1px 4px white;
          box-shadow: 1px 1px 5px 0px #ffffff, 1px 1px 10px 0px #0589ff;
        }
      }
    }
  }
  //   公共属性
  //   icon公用样式
  .elIcon {
    margin-right: 19px;
  }
  //   卡片头部样式
  /deep/ .el-card__header {
    padding: 15px 20px !important;
  }
  .clearfix {
    height: 30px;
    &_title {
      font-size: 30px;
      font-family: Microsoft YaHei;
      font-weight: bold;
      color: #258df5;
      line-height: 40px;
    }
    &_titleEn {
      float: right;
      padding-right: 19px;
      font-size: 20px;
      font-family: YouSheBiaoTiHei;
      font-weight: 400;
      color: #258df5;
      line-height: 40px;
    }
  }
  // 文字禁止选中
  .userSelect_None {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
}
</style>
