scrm-vue/src/views/layout/components/TagsView.vue

<template>
  <div class="tags-view-container">
    <!-- <scroll-pane class='tags-view-wrapper' ref='scrollPane'>
      <router-link 
        ref='tag' 
        class="tags-view-item" 
        :class="isActive(tag)?'active':''" 
        v-for="tag in Array.from(visitedViews)"
        :to="tag" 
        :key="tag.path" 
        @contextmenu.prevent.native="openMenu(tag,$event)">
        {{generateTitle(tag.title)}}
        <span class='el-icon-close' @click.prevent.stop='closeSelectedTag(tag)'></span>
      </router-link>
    </scroll-pane>
    <ul class='contextmenu' v-show="visible" :style="{left:left+'px',top:top+'px'}">
      <li @click="closeSelectedTag(selectedTag)">{{$t('tagsView.close')}}</li>
      <li @click="closeOthersTags">{{$t('tagsView.closeOthers')}}</li>
      <li @click="closeAllTags">{{$t('tagsView.closeAll')}}</li>
    </ul> -->
    <div class="tags-view-wrapper">
        <div class="tagsBox">
          <div class="tagsOne"
            v-if="permission_routers[newIndex].meta"
            v-for="(item, i) in permission_routers[newIndex].children"
            :key="i"
          >
            <router-link :to="item.path" v-if="!item.hidden && !item.is_menu">
              <p
                class="newTags"
                :class="activeClass == i ? 'active' : ''"
                @click="onClick(i)"
              >{{ generateTitle(item.meta.title) }}</p>
            </router-link>
          </div>
          <div v-else class="tagsOne">
            <p class="newTags" :class="activeClass == i ? 'active' : ''" @click="onClick(i)">
              {{
              generateTitle(permission_routers[newIndex].children[0].meta.title)
              }}
            </p>
          </div>
        </div>
      </div>
  </div>
</template>

<script>
import ScrollPane from '@/components/ScrollPane'
import { generateTitle } from '@/utils/i18n'

import { mapGetters } from "vuex";
  
export default {
  components: { ScrollPane },
  props: {
    index: Number,
  },
  data() {
    return {
      visible: false,
      top: 0,
      left: 0,
      selectedTag: {},
      newIndex: 0,
      activeClass: 0,
    }
  },
  computed: {
    // visitedViews() {
    //   return this.$store.state.tagsView.visitedViews
    // },
    ...mapGetters(["permission_routers"])
  },
  watch: {
    // $route() {
    //   this.addViewTags()
    //   this.moveToCurrentTag()
    // },
    // visible(value) {
    //   if (value) {
    //     document.body.addEventListener('click', this.closeMenu)
    //   } else {
    //     document.body.removeEventListener('click', this.closeMenu)
    //   }
    // }
    index(newVal) {
      console.log(newVal)
      // if (this.newIndex != newVal) {
      //   this.activeClass = 0;
      // }
      this.newIndex = newVal;
    },
  },
  created(){
    console.log(this.permission_routers)
    this.newIndex = 3
  },
  mounted() {
    this.addViewTags()
  },
  methods: {
    generateTitle, // generateTitle by vue-i18n
    generateRoute() {
      if (this.$route.name) {
        return this.$route
      }
      return false
    },
    isActive(route) {
      return route.path === this.$route.path
    },
    addViewTags() {
      const route = this.generateRoute()
      if (!route) {
        return false
      }
      this.$store.dispatch('addVisitedViews', route)
    },
    moveToCurrentTag() {
      const tags = this.$refs.tag
      this.$nextTick(() => {
        for (const tag of tags) {
          if (tag.to.path === this.$route.path) {
            this.$refs.scrollPane.moveToTarget(tag.$el)
            break
          }
        }
      })
    },
    closeSelectedTag(view) {
      this.$store.dispatch('delVisitedViews', view).then((views) => {
        if (this.isActive(view)) {
          const latestView = views.slice(-1)[0]
          if (latestView) {
            this.$router.push(latestView)
          } else {
            this.$router.push('/')
          }
        }
      })
    },
    closeOthersTags() {
      this.$router.push(this.selectedTag)
      this.$store.dispatch('delOthersViews', this.selectedTag).then(() => {
        this.moveToCurrentTag()
      })
    },
    closeAllTags() {
      this.$store.dispatch('delAllViews')
      this.$router.push('/')
    },
    openMenu(tag, e) {
      this.visible = true
      this.selectedTag = tag
      const offsetLeft = this.$el.getBoundingClientRect().left // container margin left
      this.left = e.clientX - offsetLeft + 15 // 15: margin right
      this.top = e.clientY
    },
    closeMenu() {
      this.visible = false
    },
    onClick(index) {
      // console.log(index);
      this.activeClass = index;
    },
  }
}
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.tags-view-container {
  height: 60px;
  .tags-view-wrapper {
    width: 100%;
    background: #fff;
    height: 50px;
    border-bottom: 1px solid #d8dce5;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, .12), 0 0 3px 0 rgba(0, 0, 0, .04);
    position: fixed;
    z-index: 1000;
    top: 50px;
    overflow-x: scroll;
    /* 针对缺省样式 (必须的) */
      &::-webkit-scrollbar {
        width: 6px;
        height: 2px;
      }
      /* 滚动条的滑轨背景颜色 */
      &::-webkit-scrollbar-track {
        background-color: #fff;
        border-radius: 3px;
        -moz-border-radius: 3px;
        -webkit-border-radius: 3px;
      }
      /* 滑块颜色 */
      &::-webkit-scrollbar-thumb {
        background: #fff;
        border-radius: 3px;
        -moz-border-radius: 3px;
        -webkit-border-radius: 3px;
      }
      /*内层轨道的颜色*/
      &::-webkit-scrollbar-track-piece {
        background-color: #fff;
        border-radius: 3px;
        -moz-border-radius: 3px;
        -webkit-border-radius: 3px;
      }
      /* 滑轨两头的监听按钮颜色 */
      &::-webkit-scrollbar-button {
        background-color: #fff;
        width: 0;
        height: 0;
      }
      /* 横向滚动条和纵向滚动条相交处尖角的颜色 */
      &::-webkit-scrollbar-corner {
        background-color: #fff;
      }
    .tags-view-item {
      display: inline-block;
      position: relative;
      border: 1px solid #d8dce5;
      color: #495060;
      background: #fff;
      padding: 0 4px 0 8px;
      font-size: 12px;
      margin: 12px 0 12px 5px;
      border-radius: 4px;
      height: 28px;
      line-height: 28px;
      &:first-of-type {
        margin-left: 15px;
      }
      &.active {
        background-color: #409efe;
        color: #fff;
        border-color: #409efe;
        &::before {
          content: '';
          background: #fff;
          display: inline-block;
          width: 8px;
          height: 8px;
          border-radius: 50%;
          position: relative;
          margin-right: 2px;
        }
      }
    }
  }
  .contextmenu {
    margin: 0;
    background: #fff;
    z-index: 100;
    position: absolute;
    list-style-type: none;
    padding: 5px 0;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 400;
    color: #333;
    box-shadow: 2px 2px 3px 0 rgba(0, 0, 0, .3);
    li {
      margin: 0;
      padding: 7px 16px;
      cursor: pointer;
      &:hover {
        background: #eee;
      }
    }
  }
  .tagsBox {
    display: flex;
    align-items: center;
    height: 100%;
    .tagsOne {
      .newTags {
        border: 1px solid rgba(235, 238, 240, 1);
        border-radius: 2px;
        padding: 8px 12px;
        margin-left: 10px;
        font-size: 14px;
      }
    }
    .active {
      border: 1px solid rgba(64, 158, 255, 1);
      background: rgba(64, 158, 255, 1);
      border-radius: 2px;
      color: #fff;
    }
  }
}
</style>

<style rel="stylesheet/scss" lang="scss">
//reset element css of el-icon-close
.tags-view-wrapper {
  .tags-view-item {
    .el-icon-close {
      width: 16px;
      height: 16px;
      vertical-align: 2px;
      border-radius: 50%;
      text-align: center;
      transition: all .3s cubic-bezier(.645, .045, .355, 1);
      transform-origin: 100% 50%;
      &:before {
        transform: scale(.6);
        display: inline-block;
        vertical-align: -3px;
      }
      &:hover {
        background-color: #b4bccc;
        color: #fff;
      }
    }
  }
}
</style>