zouyu
2023-11-17 d8ac6057eaad648687699e25a575f3b7b8c1b102
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<template>
  <div style="background-color:#875a7b"
    v-if="showTag"
    @click="contextmenuFlag=false"
    class="avue-tags">
    <!-- tag盒子 -->
    <div
      v-if="contextmenuFlag"
      :style="{left:contentmenuX+'px',top:contentmenuY+'px'}"
      class="avue-tags__contentmenu">
      <div
        class="item"
        @click="closeOthersTags">关闭其他
      </div>
      <div
        class="item"
        @click="closeAllTags">关闭全部
      </div>
    </div>
    <div
      :class="{'avue-tags__box--close':!website.isFirstPage}"
      class="avue-tags__box">
      <el-tabs
        v-model="active"
        :closable="tagLen!==1"
        type="card"
        @contextmenu.native="handleContextmenu"
        @tab-click="openTag"
        @edit="menuTag">
        <el-tab-pane
          v-for="item in tagList"
          :key="item.value"
          :label="item.label"
          :name="item.value"/>
 
      </el-tabs>
      <!--
      <el-dropdown class="avue-tags__menu">
        <el-button
          type="primary"
          size="mini">
          更多
          <i class="el-icon-arrow-down el-icon--right"/>
        </el-button>
        <el-dropdown-menu slot="dropdown">
          <el-dropdown-item @click.native="closeOthersTags">关闭其他</el-dropdown-item>
          <el-dropdown-item @click.native="closeAllTags">关闭全部</el-dropdown-item>
        </el-dropdown-menu>
      </el-dropdown>
      -->
    </div>
 
  </div>
</template>
<script>
  import { mapGetters, mapState } from 'vuex'
 
  export default {
    name: 'Tags',
    data() {
      return {
        active: '',
        contentmenuX: '',
        contentmenuY: '',
        contextmenuFlag: false
      }
    },
    watch: {
      tag() {
        this.setActive()
      },
      contextmenuFlag() {
        window.addEventListener('mousedown', this.watchContextmenu)
      }
    },
    created() {
    },
    mounted() {
      this.setActive()
    },
    computed: {
      ...mapGetters(['tagWel', 'tagList', 'tag', 'website']),
      ...mapState({
        showTag: state => state.common.showTag
      }),
      tagLen() {
        return this.tagList.length || 0
      }
    },
    methods: {
      watchContextmenu() {
        if (!this.$el.contains(event.target) || event.button !== 0) {
          this.contextmenuFlag = false
        }
 
        window.removeEventListener('mousedown', this.watchContextmenu)
      },
      handleContextmenu(event) {
        let target = event.target
        // 解决 https://github.com/d2-projects/d2-admin/issues/54
        let flag = false
        if (target.className.indexOf('el-tabs__item') > -1) flag = true
        else if (target.parentNode.className.indexOf('el-tabs__item') > -1) {
          target = target.parentNode
          flag = true
        }
        if (flag) {
          event.preventDefault()
          event.stopPropagation()
          this.contentmenuX = event.clientX
          this.contentmenuY = event.clientY
          this.tagName = target.getAttribute('aria-controls').slice(5)
          this.contextmenuFlag = true
        }
      },
      // 激活当前选项
      setActive() {
        this.active = this.tag.value
      },
      menuTag(value, action) {
        if (action === 'remove') {
          let { tag, key } = this.findTag(value)
          this.$store.commit('DEL_TAG', tag)
          if (tag.value === this.tag.value) {
            tag = this.tagList[key === 0 ? key : key - 1] // 如果关闭本标签让前推一个
            this.openTag(tag)
          }
        }
      },
      openTag(item) {
        let tag
        if (item.name) {
          tag = this.findTag(item.name).tag
        } else {
          tag = item
        }
        this.$router.push({
          path: this.$router.$avueRouter.getPath({
            name: tag.label,
            src: tag.value
          }),
          query: tag.query
        }).catch(() => {})
      },
      closeOthersTags() {
        this.contextmenuFlag = false
        this.$store.commit('DEL_TAG_OTHER')
      },
      findTag(value) {
        let tag, key
        this.tagList.map((item, index) => {
          if (item.value === value) {
            tag = item
            key = index
          }
        })
        return { tag: tag, key: key }
      },
      closeAllTags() {
        this.contextmenuFlag = false
        this.$store.commit('DEL_ALL_TAG')
        this.$router.push({
          path: this.$router.$avueRouter.getPath({
            src: this.tagWel.value
          }),
          query: this.tagWel.query
        })
      }
    }
  }
</script>