<template>
    <el-dropdown trigger="click" @command="handleSetSize">
      <div>
        <svg-icon class-name="size-icon" icon-class="size" />
      </div>
      <el-dropdown-menu slot="dropdown">
        <el-dropdown-item v-for="item of sizeOptions" :key="item.value" :disabled="size===item.value" :command="item.value">
          {{
            item.label }}
        </el-dropdown-item>
      </el-dropdown-menu>
    </el-dropdown>
  </template>
  
  <script>
  export default {
    data() {
      return {
        sizeOptions: [
          { label: 'Default', value: 'default' },
          { label: 'Medium', value: 'medium' },
          { label: 'Small', value: 'small' },
          { label: 'Mini', value: 'mini' }
        ]
      }
    },
    computed: {
      size() {
        return this.$store.getters.size
      }
    },
    methods: {
      handleSetSize(size) {
        this.$ELEMENT.size = size
        this.$store.dispatch('app/setSize', size)
        this.refreshView()
        this.$message({
          message: 'Switch Size Success',
          type: 'success'
        })
      },
      refreshView() {
        // In order to make the cached page re-rendered
        this.$store.dispatch('tagsView/delAllCachedViews', this.$route)
  
        const { fullPath } = this.$route
  
        this.$nextTick(() => {
          this.$router.replace({
            path: '/redirect' + fullPath
          })
        })
      }
    }
  
  }
  </script>