maycur-business/lib/FormChefCommon/DynamicFormCtrl.js

maycur business react components of web

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _ConditionPaser = _interopRequireDefault(require("../ConditionPaser"));

var _lodash = _interopRequireDefault(require("lodash"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

var cacheProperty = ['isFieldHide', 'required', 'isFieldReadOnly'];

var DynamicFormCtrl =
/*#__PURE__*/
function () {
  function DynamicFormCtrl(_ref) {
    var _this = this;

    var updateFormFields = _ref.updateFormFields;

    _classCallCheck(this, DynamicFormCtrl);

    this.init = function (formFields) {
      _lodash["default"].forEach(formFields, function (field) {
        if (!_lodash["default"].isEmpty(field.conditions)) {
          _this.hasCondistion = true;
          field.property["default"] = {};
          cacheProperty.forEach(function (p) {
            field.property["default"][p] = field.property[p];
          });
        }
      });

      return formFields;
    };

    this.updateFormFields = updateFormFields;
    this.hasCondistion = false;
  }
  /**
   * 1.将有条件的字段的(isFieldHide, required, isFieldReadOnly)在property里面缓存一份，作为默认值
   * 2.将所有条件都执行一遍
   */
  // NOTE 初始化formFields就可以判断表单是否包含条件


  _createClass(DynamicFormCtrl, [{
    key: "updateFieldProperty",
    value: function updateFieldProperty(formFields, field, result) {
      var targetField = _lodash["default"].find(formFields, {
        code: field.code
      }); //property中的default为空说明没有做init，直接返回


      if (_lodash["default"].isEmpty(targetField.property["default"])) {
        return;
      }

      if (result) {
        cacheProperty.forEach(function (p) {
          targetField.property[p] = targetField.property.synthetic[p];
        });
      } else {
        targetField.property["default"] = targetField.property["default"] ? targetField.property["default"] : {};
        cacheProperty.forEach(function (p) {
          targetField.property[p] = targetField.property["default"][p];
        });
      }

      targetField.lastResult = result;
    }
    /**
     * 检查更改的字段是否包含条件
     */

  }, {
    key: "checkFieldCondition",
    value: function checkFieldCondition(formFields, formData, changeFields, isFirstUpdate) {
      var _this2 = this;

      var _formFields = _lodash["default"].cloneDeep(formFields);

      var isUpdate = false;

      _lodash["default"].forEach(changeFields, function (val, identifier) {
        _lodash["default"].forEach(_formFields, function (field) {
          if (field.conditions) {
            var condition = _lodash["default"].find(_lodash["default"].flatten(field.conditions), {
              identifier: identifier
            }); //有条件依赖这个更改的identifier,则重新执行条件组


            if (!_lodash["default"].isEmpty(condition)) {
              var _getResult = new _ConditionPaser["default"](field.conditions, formData).getResult(),
                  conditionResult = _getResult.conditionResult; //如果和上次条件执行的结果一致，则不执行条件
              // 如果第一次执行 没有上一次结果


              if (!field.lastResult) {
                isUpdate = true;

                _this2.updateFieldProperty(_formFields, field, conditionResult);
              } else if (conditionResult !== field.lastResult) {
                isUpdate = true;

                _this2.updateFieldProperty(_formFields, field, conditionResult);
              }
            }
          }
        });
      });

      if (isUpdate || isFirstUpdate) {
        this.updateFormFields && this.updateFormFields(_formFields);
      }
    }
    /**
     * 表单中字段值改变回调
     */

  }, {
    key: "onFieldChange",
    value: function onFieldChange(formFields, formData, changedFields, isFirstUpdate) {
      this.checkFieldCondition(formFields, formData, changedFields, isFirstUpdate);
    }
  }]);

  return DynamicFormCtrl;
}();

var _default = DynamicFormCtrl;
exports["default"] = _default;