data-room/data-room-ui/packages/BigScreenComponentMag/SideMenu.vue

<template>
  <div class="side-catalog-wrap">
    <el-scrollbar class="side-catalog-box">
      <div
        v-for="(com, index) in componentList"
        :key="index"
        class="component-item-box"
        :class="{ 'active-catalog': activeType === com.type }"
        @click="componentHandle(com)"
      >
        {{ com.name }}
      </div>
    </el-scrollbar>
  </div>
</template>
<script>

export default {
  components: {},
  data () {
    return {
      componentList: [
        {
          name: '自定义组件',
          type: 'component'
        },
        {
          name: '业务组件',
          type: 'bizComponent'
        },
        {
          name: '系统组件',
          type: 'system'
        }
      ],
      activeType: 'component'
    }
  },
  mounted () {
    const type = this.$route?.query?.type
    if (type) {
      this.activeType = type
      this.$nextTick(() => {
        this.$emit('getPageInfo', type)
      })
    }
  },
  methods: {
    // 点击左侧组件
    componentHandle (com) {
      this.activeType = com.type
      this.$emit('getPageInfo', com.type)
    }
  }
}
</script>
<style lang="scss" scoped>
@import '~packages/assets/style/bsTheme.scss';

.side-catalog-wrap {
  .component-item-box {
    width: 100%;
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;

    &:hover {
      cursor: pointer;
    }
  }
}

.side-catalog-wrap {
  padding-top: 16px;
  width: 220px;
  height: 100%;
  box-sizing: border-box;
  color: var(--bs-el-title);
  background-color: var(--bs-background-2);

  .side-catalog-box {
    height: calc(100% - 50px);
    overflow-y: auto;

    .side-catalog-all {
      font-weight: bold;
    }

    .side-catalog-item {
      width: 100%;
      padding: 8px 16px;
      display: flex;
      justify-content: space-between;

      &:hover {
        cursor: pointer;
      }

      .el-icon-more {
        transform: rotate(90deg);
        color: var(--bs-el-title);
        font-weight: 400;
      }

      .active-icon-more {
        color: var(--bs-el-text);
      }

      .catalog-name {
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        -o-text-overflow: ellipsis;
      }

      .page-list-dropdown {
        opacity: 0;
      }

      .dropdown-show {
        opacity: 1;
      }
    }

    /*菜单激活时的样式*/
    .active-catalog {
      background-image: linear-gradient(to right, var(--bs-el-color-primary), var(--bs-background-2));
      background-repeat: round;
      color: var(--bs-el-text);
    }
  }

  .add-catalog-box {
    padding: 10px 0;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 10px;
    margin: 0 8px;

    &:hover {
      background-color: var(--bs-background-1);
      cursor: pointer;
      color: var(--bs-el-text);
      ;
    }

    .el-icon-plus {
      padding: 0 5px;
    }
  }

}

.dropdown-menu-box {
  left: 50%;
  transform: translateX(-40%);
  width: 100px !important;

  /deep/.el-dropdown-menu__item {
    text-align: center;
    padding: 5px;
  }

  /deep/.popper__arrow {
    left: 50% !important;
    transform: translateX(-50%) !important;
  }
}</style>