/// <summary>
/// 设置脏属性值
/// </summary>
/// <param name="propertyLambda">含类属性的 lambda 表达式</param>
/// <param name="newValue">新属性值</param>
public void SetDirtyValue(Expression <Func <T, object> > propertyLambda, object newValue)
{
IsSelfDirty = true;
Property property = SelfSheet.GetProperty(this.GetType(), Utilities.GetPropertyInfo <T>(propertyLambda).Name);
property.Field.Set(this, newValue);
DirtyPropertyNames[property.PropertyInfo.Name] = true;
}
/// <summary>
/// 设置脏属性值
/// </summary>
/// <param name="propertyLambda">含类属性的 lambda 表达式</param>
/// <param name="newValue">新属性值</param>
public void SetDirtyValue(Expression <Func <T, object> > propertyLambda, object newValue)
{
IsSelfDirty = true;
Property property = SelfSheet.GetProperty(propertyLambda);
if (property.Field != null)
{
property.Field.Set(this, newValue);
}
else
{
property.Set(this, newValue);
}
DirtyPropertyNames[property.PropertyInfo.Name] = true;
}
/// <summary>
/// 提取脏属性值
/// </summary>
protected PropertyValue[] GetDirtValues()
{
if (_oldPropertyValues == null)
{
return(null);
}
List <PropertyValue> result = new List <PropertyValue>(_oldPropertyValues.Count);
Sheet targetTable = SelfSheet.GetProperty <T>(p => p.Id).Column.TableColumn.Owner;
foreach (KeyValuePair <string, Property> kvp in SelfSheet.GetProperties(this.GetType(), targetTable))
{
if (kvp.Value.Column.TableColumn.IsWatermarkColumn)
{
continue;
}
if (_oldPropertyValues.TryGetValue(kvp.Key, out object oldValue))
{
if (DirtyPropertyNames.TryGetValue(kvp.Key, out bool?isDirty) && isDirty.HasValue)
{
if (isDirty.Value)
{
result.Add(new PropertyValue(kvp.Value, oldValue, kvp.Value.Field.GetValue(this)));
}
}
else
{
object newValue = kvp.Value.Field.GetValue(this);
if (!object.Equals(oldValue, newValue))
{
result.Add(new PropertyValue(kvp.Value, oldValue, newValue));
}
}
}
}
return(result.ToArray());
}