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ant-design-vue-jeecg/src/mixins/JEditableTableMixin.js 5.52 KB
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import JEditableTable from '@/components/jeecg/JEditableTable'
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import {VALIDATE_NO_PASSED, getRefPromise, validateFormAndTables} from '@/utils/JEditableTableUtil'
import {httpAction, getAction} from '@/api/manage'
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export const JEditableTableMixin = {
  components: {
    JEditableTable
  },
  data() {
    return {
      title: '操作',
      visible: false,
      form: this.$form.createForm(this),
      confirmLoading: false,
      model: {},
      labelCol: {
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        xs: {span: 24},
        sm: {span: 6}
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      },
      wrapperCol: {
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        xs: {span: 24},
        sm: {span: 18}
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      }
    }
  },
  methods: {

    /** 获取所有的editableTable实例 */
    getAllTable() {
      if (!(this.refKeys instanceof Array)) {
        throw this.throwNotArray('refKeys')
      }
      let values = this.refKeys.map(key => getRefPromise(this, key))
      return Promise.all(values)
    },

    /** 遍历所有的JEditableTable实例 */
    eachAllTable(callback) {
      // 开始遍历
      this.getAllTable().then(tables => {
        tables.forEach((item, index) => {
          if (typeof callback === 'function') {
            callback(item, index)
          }
        })
      })
    },

    /** 当点击新增按钮时调用此方法 */
    add() {
      //update-begin-author:lvdandan date:20201113 for:LOWCOD-1049 JEditaTable,子表默认添加一条数据,addDefaultRowNum设置无效 #1930
      return new Promise((resolve) => {
        this.tableReset();
        resolve();
      }).then(() => {
        if (typeof this.addBefore === 'function') this.addBefore()
        // 默认新增空数据
        let rowNum = this.addDefaultRowNum
        if (typeof rowNum !== 'number') {
          rowNum = 1
          console.warn('由于你没有在 data 中定义 addDefaultRowNum 或 addDefaultRowNum 不是数字,所以默认添加一条空数据,如果不想默认添加空数据,请将定义 addDefaultRowNum 为 0')
        }
        this.eachAllTable((item) => {
          item.add(rowNum)
        })
        if (typeof this.addAfter === 'function') this.addAfter(this.model)
        this.edit({})
      })
      //update-end-author:lvdandan date:20201113 for:LOWCOD-1049 JEditaTable,子表默认添加一条数据,addDefaultRowNum设置无效 #1930
    },
    /** 当点击了编辑(修改)按钮时调用此方法 */
    edit(record) {
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      if (record && '{}' != JSON.stringify(record)) {
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        this.tableReset();
      }
      if (typeof this.editBefore === 'function') this.editBefore(record)
      this.visible = true
      this.activeKey = this.refKeys[0]
      this.form.resetFields()
      this.model = Object.assign({}, record)
      if (typeof this.editAfter === 'function') this.editAfter(this.model)
    },
    /** 关闭弹窗,并将所有JEditableTable实例回归到初始状态 */
    close() {
      this.visible = false
      this.$emit('close')
    },
    //清空子表table的数据
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    tableReset() {
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      this.eachAllTable((item) => {
        item.clearRow()
      })
    },
    /** 查询某个tab的数据 */
    requestSubTableData(url, params, tab, success) {
      tab.loading = true
      getAction(url, params).then(res => {
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        let {result} = res
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        let dataSource = []
        if (result) {
          if (Array.isArray(result)) {
            dataSource = result
          } else if (Array.isArray(result.records)) {
            dataSource = result.records
          }
        }
        tab.dataSource = dataSource
        typeof success === 'function' ? success(res) : ''
      }).finally(() => {
        tab.loading = false
      })
    },
    /** 发起请求,自动判断是执行新增还是修改操作 */
    request(formData) {
      let url = this.url.add, method = 'post'
      if (this.model.id) {
        url = this.url.edit
        method = 'put'
      }
      this.confirmLoading = true
      httpAction(url, formData, method).then((res) => {
        if (res.success) {
          this.$message.success(res.message)
          this.$emit('ok')
          this.close()
        } else {
          this.$message.warning(res.message)
        }
      }).finally(() => {
        this.confirmLoading = false
      })
    },

    /* --- handle 事件 --- */

    /** ATab 选项卡切换事件 */
    handleChangeTabs(key) {
      // 自动重置scrollTop状态,防止出现白屏
      getRefPromise(this, key).then(editableTable => {
        editableTable.resetScrollTop()
      })
    },
    /** 关闭按钮点击事件 */
    handleCancel() {
      this.close()
    },
    /** 确定按钮点击事件 */
    handleOk() {
      /** 触发表单验证 */
      this.getAllTable().then(tables => {
        /** 一次性验证主表和所有的次表 */
        return validateFormAndTables(this.form, tables)
      }).then(allValues => {
        if (typeof this.classifyIntoFormData !== 'function') {
          throw this.throwNotFunction('classifyIntoFormData')
        }
        let formData = this.classifyIntoFormData(allValues)
        // 发起请求
        return this.request(formData)
      }).catch(e => {
        if (e.error === VALIDATE_NO_PASSED) {
          // 如果有未通过表单验证的子表,就自动跳转到它所在的tab
          this.activeKey = e.index == null ? this.activeKey : this.refKeys[e.index]
        } else {
          console.error(e)
        }
      })
    },

    /* --- throw --- */

    /** not a function */
    throwNotFunction(name) {
      return `${name} 未定义或不是一个函数`
    },

    /** not a array */
    throwNotArray(name) {
      return `${name} 未定义或不是一个数组`
    }

  }
}