<template>
  <div class="page">
    <el-form size="small" :inline="true" class="query-form" ref="searchForm" :model="searchForm" @keyup.enter.native="refreshList()" @submit.native.prevent>
      <!-- 搜索框-->
      <el-form-item prop="name">
        <el-input size="small" v-model="searchForm.name" placeholder="请输入名称" clearable></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="refreshList()" size="small" icon="el-icon-search">查询</el-button>
        <el-button @click="resetSearch()" size="small" icon="el-icon-refresh-right">重置</el-button>
      </el-form-item>
    </el-form>
    <div class="bg-white top" style="">
      <vxe-toolbar :refresh="{query: refreshList}" custom>
        <template #buttons>
          <el-button v-if="hasPermission('help:add')" type="primary" size="small" icon="el-icon-plus" @click="add()">新建</el-button>
          <el-button v-if="hasPermission('help:del')" type="danger"   size="small" icon="el-icon-delete" @click="del()" :disabled="$refs.helpTreeTable && $refs.helpTreeTable.getCheckboxRecords().length === 0" plain>删除</el-button>
        </template>
      </vxe-toolbar>
      <div style="height: calc(100% - 50px)">
        <vxe-table
          border="inner"
          auto-resize
          resizable
          height="auto"
          :loading="loading"
          size="small"
          ref="helpTreeTable"
          show-header-overflow
          show-overflow
          highlight-hover-row
          :menu-config="{}"
          @sort-change="sortChangeHandle"
          :sort-config="{remote:true}"
          :data="dataList"
          :tree-config="{transform: true, rowField: 'id', parentField: 'parentId',expandAll: true}"
          :checkbox-config="{}">
          <vxe-column type="seq" width="60" title="序号"></vxe-column>
          <vxe-column type="checkbox" width="40" ></vxe-column>
          <vxe-column min-width="350" title="名称" field="name" align="left" tree-node></vxe-column>
          <vxe-column min-width="50" align="center" title="序号" field="sort"></vxe-column>
          <vxe-column min-width="50" align="center" title="级别" field="level"></vxe-column>
          <vxe-column min-width="50" align="center" title="备注" field="remarks"></vxe-column>
          <vxe-column title="操作" width="230px" fixed="right" align="center">
            <template  slot-scope="scope">
              <el-button v-if="hasPermission('help:edit')" type="text"  size="small" @click="addChild(scope.row.id)">新建子项</el-button>
              <el-button v-if="hasPermission('help:edit')" type="text"  size="small" @click="edit(scope.row.id)">修改</el-button>
              <el-button v-if="hasPermission('help:del')" type="text"   size="small" @click="del(scope.row.id)">删除</el-button>
            </template>
          </vxe-column>
        </vxe-table>
      </div>
    </div>
    <HelpTreeForm  ref="helpTreeForm" @refreshDataList="refreshList"></HelpTreeForm>
  </div>
</template>

<script>
  import HelpTreeService from '@/api/help/HelpTreeService'
  import HelpTreeForm from './HelpTreeForm'
  export default {
    data () {
      return {
        searchForm: {
          name: '',
          sort: ''
        },
        dataList: [],
        tablePage: {
          total: 0,
          currentPage: 1,
          pageSize: 10,
          orders: []
        },
        loading: false
      }
    },
    helpTreeService: null,
    created () {
      this.helpTreeService = new HelpTreeService()
    },
    components: {
      HelpTreeForm
    },
    mounted () {
      this.refreshList()
    },
    methods: {
      // 新增
      add () {
        this.$refs.helpTreeForm.init('add', '')
      },
      addChild (id) {
        this.$refs.helpTreeForm.init('addChild', id)
      },
      // 修改
      edit (id) {
        id = id || this.$refs.helpTreeTable.getCheckboxRecords().map(item => {
          return item.id
        })[0]
        this.$refs.helpTreeForm.init('edit', id)
      },
      // 查看
      view (id) {
        this.$refs.helpTreeForm.init('view', id)
      },
      // 获取数据列表
      refreshList () {
        this.loading = true
        this.helpTreeService.list({
          'current': this.tablePage.currentPage,
          'size': this.tablePage.pageSize,
          'orders': this.tablePage.orders,
          ...this.searchForm
        }).then(({data}) => {
          this.dataList = data.records
          this.tablePage.total = data.total
          this.loading = false
          this.$nextTick(() => {
            this.$refs.helpTreeTable.setAllTreeExpand(true)
          })
        })
      },
      // 当前页
      currentChangeHandle ({ currentPage, pageSize }) {
        this.tablePage.currentPage = currentPage
        this.tablePage.pageSize = pageSize
        this.refreshList()
      },
      // 排序
      sortChangeHandle (column) {
        this.tablePage.orders = []
        if (column.order != null) {
          this.tablePage.orders.push({column: this.$utils.toLine(column.property), asc: column.order === 'asc'})
        }
        this.refreshList()
      },
      // 删除
      del (id) {
        let ids = id || this.$refs.helpTreeTable.getCheckboxRecords().map(item => {
          return item.id
        }).join(',')
        this.$confirm(`确定删除所选项吗?`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.loading = true
          this.helpTreeService.delete(ids).then(({data}) => {
            this.$message.success(data)
            this.refreshList()
            this.loading = false
          })
        })
      },
      resetSearch () {
        this.$refs.searchForm.resetFields()
        this.refreshList()
      }
    }
  }
</script>
