Exemplo n.º 1
0
        public override object GetValue(object component)
        {
            var mp     = this.Property;
            var entity = component as Entity;

            if (mp is IRefProperty)
            {
                if (mp is IRefIdProperty)
                {
                    return(entity.GetRefNullableId(mp as IRefIdProperty));
                }
                if (mp is IRefEntityProperty)
                {
                    return(entity.GetRefEntity(mp as IRefEntityProperty));
                }
            }

            if (mp is IListProperty)
            {
                return(entity.GetLazyList(mp as IListProperty));
            }

            var value = entity.GetProperty(mp);

            //枚举值在为界面返回值时,应该返回 Label
            if (value != null && TypeHelper.IsEnumNullable(mp.PropertyType))
            {
                value = EnumViewModel.EnumToLabel((Enum)value).Translate();
            }

            return(value);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Formats the enum values.
        /// </summary>
        /// <param name="enumType">Type of the enum.</param>
        /// <returns></returns>
        private string FormatEnumValues(Type enumType)
        {
            var sb = new StringBuilder();

            foreach (Enum item in Enum.GetValues(enumType))
            {
                if (sb.Length > 0)
                {
                    sb.AppendLine();
                }

                sb.Append(Convert.ToInt32(item));
                sb.Append(":(");
                sb.Append(item.ToString());

                var label = EnumViewModel.EnumToLabel(item);
                if (!string.IsNullOrEmpty(label))
                {
                    sb.Append(", ");
                    sb.Append(label);
                }

                sb.Append(")");
            }

            return(sb.ToString());
        }
Exemplo n.º 3
0
        internal static object ToClientValue(Type serverType, object value)
        {
            if (serverType.IsEnum)
            {
                value = EnumViewModel.EnumToLabel(value as Enum);
            }
            else if (serverType == typeof(Nullable <int>))
            {
                if (value == null)
                {
                    value = 0;
                }
            }
            else if (serverType == typeof(Nullable <Guid>))
            {
                if (value == null)
                {
                    value = Guid.Empty;
                }
                value = value.ToString();
            }
            else if (serverType == typeof(Guid))
            {
                value = value.ToString();
            }

            return(value);
        }
Exemplo n.º 4
0
        protected virtual string ReadProperty(WPFEntityPropertyViewMeta property)
        {
            var data = string.Empty;

            try
            {
                if (property.IsReference)
                {
                    var displayPath = property.DisplayPath();
                    var value       = ObjectHelper.GetPropertyValue(this._currentRow, displayPath);
                    if (value != null)
                    {
                        data = value.ToString();
                    }
                }
                else
                {
                    var mp = property.PropertyMeta.ManagedProperty;
                    if (mp != null)
                    {
                        var value = this._currentRow.GetProperty(mp);
                        if (value != null)
                        {
                            if (TypeHelper.IsEnumNullable(mp.PropertyType))
                            {
                                data = EnumViewModel.EnumToLabel((Enum)value).Translate();
                            }
                            else
                            {
                                data = value.ToString();
                            }
                        }
                    }
                }
            }
            catch
            {
                //尽量尝试读取值,读取出错,则忽略错误。
            }

            return(data);
        }
Exemplo n.º 5
0
        /// <summary>
        /// 序列化某个指定的属性的值。
        /// </summary>
        /// <param name="value"></param>
        protected virtual void SerializeValue(object value)
        {
            //if (value is byte[])
            //{
            //    var base64 = Convert.ToBase64String(value as byte[]);
            //    _writer.WriteValue(base64);
            //}
            //else
            if (value is IList && !(value is byte[]))
            {
                _writer.WriteStartArray();
                var list = value as IList;
                for (int i = 0, c = list.Count; i < c; i++)
                {
                    var item = list[i];
                    _writer.WriteValue(item);
                }
                _writer.WriteEndArray();
            }
            else
            {
                if (value != null && value.GetType().IsEnum)
                {
                    switch (this.EnumSerializationMode)
                    {
                    case EnumSerializationMode.String:
                        value = value.ToString();
                        break;

                    case EnumSerializationMode.EnumLabel:
                        value = EnumViewModel.EnumToLabel((Enum)value) ?? value.ToString();
                        break;

                    default:
                        break;
                    }
                }
                _writer.WriteValue(value);
            }
        }
Exemplo n.º 6
0
        private void SerializeProperty(IProperty property, object value)
        {
            switch (property.Category)
            {
            case PropertyCategory.List:
                if (this.SerializeAggt && value != null)
                {
                    this.WritePropertyName(property.Name);
                    this.SerializeList(value as EntityList);
                }
                break;

            case PropertyCategory.LOB:
            case PropertyCategory.Normal:
            case PropertyCategory.Readonly:
            case PropertyCategory.Redundancy:
            case PropertyCategory.ReferenceId:
                this.WritePropertyName(property.Name);
                //if (value is byte[])
                //{
                //    var base64 = Convert.ToBase64String(value as byte[]);
                //    _writer.WriteValue(base64);
                //}
                //else
                if (value is IList && !(value is byte[]))
                {
                    _writer.WriteStartArray();
                    var list = value as IList;
                    for (int i = 0, c = list.Count; i < c; i++)
                    {
                        var item = list[i];
                        _writer.WriteValue(item);
                    }
                    _writer.WriteEndArray();
                }
                else
                {
                    if (value != null && value.GetType().IsEnum)
                    {
                        switch (_enumSerializationMode)
                        {
                        case EnumSerializationMode.String:
                            value = value.ToString();
                            break;

                        case EnumSerializationMode.EnumLabel:
                            value = EnumViewModel.EnumToLabel((Enum)value) ?? value.ToString();
                            break;

                        default:
                            break;
                        }
                    }
                    _writer.WriteValue(value);
                }
                break;

            //ReferenceId 也都全部直接输出。
            //case PropertyCategory.ReferenceId:
            //    var refProperty = property as IRefProperty;
            //    switch (refProperty.ReferenceType)
            //    {
            //        case ReferenceType.Child:
            //        case ReferenceType.Normal:
            //            this.WritePropertyName(property.Name);
            //            _writer.WriteValue(value);
            //            break;
            //        case ReferenceType.Parent:
            //            break;
            //        default:
            //            throw new NotSupportedException();
            //    }
            //    break;
            case PropertyCategory.ReferenceEntity:
                if (this.SerializeReference && value != null && (property as IRefProperty).ReferenceType != ReferenceType.Parent)
                {
                    this.WritePropertyName(property.Name);
                    this.SerializeEntity(value as Entity);
                }
                break;

            default:
                throw new NotSupportedException();
            }
        }