<template>
  <view class='productSort'>
    <view class="title">
      参与话题
      <text class="iconfont icon-guanbi5" @click="close"></text>
    </view>
    <view class="con-box">
      <view class='aside'>
        <scroll-view scroll-y="true" style="height: 100%; overflow: hidden;">
          <view v-for="(item,index) in productList" :key="item.category_id">
            <view v-show="item.children && item.children.length > 0" class='item acea-row row-center-wrapper'
              :class='index==navActive?"on":""' @click='tap(index,"b"+index)'><text
                class="item_text">{{item.cate_name}}</text>
            </view>
          </view>
        </scroll-view>
      </view>
      <view class='conter'>
        <scroll-view scroll-y="true" style="height: 100%; overflow: hidden;">
          <view v-for="(item,index) in childList" :key="item.topic_id">
            <view class='list' @click.stop="confirmTopic(item)">
              <view class='item acea-row'>
                <view class='picture'>
                  <image :src='item.pic'></image>
                </view>
                <view class="name line1">{{item.topic_name}}</view>
              </view>
            </view>
          </view>
        </scroll-view>
      </view>
    </view>
  </view>
</template>

<script>
  // +----------------------------------------------------------------------
  // | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
  // +----------------------------------------------------------------------
  // | Copyright (c) 2016~2021 https://www.crmeb.com All rights reserved.
  // +----------------------------------------------------------------------
  // | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
  // +----------------------------------------------------------------------
  // | Author: CRMEB Team <admin@crmeb.com>
  // +----------------------------------------------------------------------
  let app = getApp();
  import { getTopicList } from '@/api/community.js';
  export default {
    data() {
      return {
        navlist: [],
        productList: [],
        navActive: 0,
        childList: []
      }
    },
    watch: {},
    mounted() {
      if (!this.productList.length) {
        this.getAllCategory();
      }
    },
    methods: {
      // 点击关闭按钮
      close() {
        this.$emit('close');
      },
      tap: function(index, id) {
        this.navActive = index;
        this.childList = this.productList[index].children
      },
      getAllCategory: function() {
        let that = this;
        let value = ""
        getTopicList().then(res => {
          let arr = [
            // {category_id: "",count_use: 0,count_view: 0,pic: null,topic_id: '',topic_name: "不添加任何话题"}
          ]
          that.productList = res.data;
          if (that.productList[0].children && that.productList[0].children.length > 0) {
            that.productList[0].children = [...arr, ...that.productList[0].children]
          } else {
            that.productList[0].children = arr
          }
          that.childList = that.productList[0].children;
        })
      },
      confirmTopic(item) {
        this.$emit('getTopic', item);
      }
    }
  }
</script>
<style scoped lang="scss">
  .productSort {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 70vh;
    background: #ffffff;
    border-radius: 16rpx 16rpx 0 0;

    .title {
      text-align: center;
      padding: 40rpx 0;
      position: relative;
      color: #333333;
      font-size: 34rpx;
      font-weight: bold;

      .iconfont {
        color: #8A8A8A;
        font-size: 28rpx;
        position: absolute;
        right: 30rpx;
        top: 42rpx;
        font-weight: normal;
      }
    }

    .con-box {
      flex: 1;
      display: flex;
      overflow: hidden;
    }
  }

  .productSort .aside {
    overflow-y: auto;
    overflow-x: hidden;
    border-right: 1px solid #EEEEEE;
    width: 202rpx;
    height: 100%;
    overflow: hidden;
  }

  .productSort .aside .item {
    line-height: 100rpx;
    width: 100%;
    font-size: 26rpx;
    color: #666666;
  }

  .productSort .aside .item_text {
    padding-left: 20rpx;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .productSort .aside .item.on {
    width: 100%;
    text-align: center;
    font-weight: bold;
    color: #333333;
  }

  .productSort .conter {
    flex: 1;
    height: 100%;
    padding: 0 30rpx;
    background-color: #ffffff;
    margin-top: 20rpx;
  }

  .productSort .conter .list {
    flex-wrap: wrap;
  }

  .productSort .conter .list .item {
    margin-top: 26rpx;
    margin-bottom: 40rpx;
    align-items: center;
  }

  .productSort .conter .list .item .picture {
    width: 88rpx;
    height: 88rpx;
    border-radius: 100%;
    position: relative;

    &::before {
      content: "#";
      display: block;
      width: 88rpx;
      height: 88rpx;
      line-height: 88rpx;
      border-radius: 100%;
      color: #ffffff;
      font-size: 40rpx;
      text-align: center;
      position: absolute;
      top: 0;
      left: 0;
      background: rgba(0, 0, 0, .3);
    }
  }

  .productSort .conter .listw:first-child .picture {
    &::before {
      content: "\\";
      background: #D8D8D8;
    }
  }

  .productSort .conter .list .item .picture image {
    width: 100%;
    height: 100%;
    border-radius: 100%;
  }

  .productSort .conter .list .name {
    margin-left: 30rpx;
    font-size: 28rpx;
    color: #282828;
    font-weight: bold;
    max-width: 300rpx;
  }
</style>