Adam / gulu-admin

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src/components/Breadcrumb/index.vue 2.22 KB
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  <template>
    <el-breadcrumb class="app-breadcrumb" separator="/">
      <transition-group name="breadcrumb">
        <el-breadcrumb-item v-for="(item,index) in levelList" :key="item.path">
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          <span v-if="item.redirect==='noRedirect'||index==levelList.length-1" class="no-redirect">
            {{ generateTitle(item.meta.title) }}
          </span>
          <a v-else @click.prevent="handleLink(item)">{{ generateTitle(item.meta.title) }}</a>
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        </el-breadcrumb-item>
      </transition-group>
    </el-breadcrumb>
  </template>
  
  <script>
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  import { generateTitle } from '@/utils/i18n'
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  import pathToRegexp from 'path-to-regexp'
  
  export default {
    data() {
      return {
        levelList: null
      }
    },
    watch: {
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      $route(route) {
        // if you go to the redirect page, do not update the breadcrumbs
        if (route.path.startsWith('/redirect/')) {
          return
        }
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        this.getBreadcrumb()
      }
    },
    created() {
      this.getBreadcrumb()
    },
    methods: {
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      generateTitle,
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      getBreadcrumb() {
        // only show routes with meta.title
        let matched = this.$route.matched.filter(item => item.meta && item.meta.title)
        const first = matched[0]
  
        if (!this.isDashboard(first)) {
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          matched = [{ path: '/dashboard', meta: { title: 'dashboard' }}].concat(matched)
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        }
  
        this.levelList = matched.filter(item => item.meta && item.meta.title && item.meta.breadcrumb !== false)
      },
      isDashboard(route) {
        const name = route && route.name
        if (!name) {
          return false
        }
        return name.trim().toLocaleLowerCase() === 'Dashboard'.toLocaleLowerCase()
      },
      pathCompile(path) {
        // To solve this problem https://github.com/PanJiaChen/vue-element-admin/issues/561
        const { params } = this.$route
        var toPath = pathToRegexp.compile(path)
        return toPath(params)
      },
      handleLink(item) {
        const { redirect, path } = item
        if (redirect) {
          this.$router.push(redirect)
          return
        }
        this.$router.push(this.pathCompile(path))
      }
    }
  }
  </script>
  
  <style lang="scss" scoped>
  .app-breadcrumb.el-breadcrumb {
    display: inline-block;
    font-size: 14px;
    line-height: 50px;
    margin-left: 8px;
  
    .no-redirect {
      color: #97a8be;
      cursor: text;
    }
  }
  </style>