public void NewPropertyValue(string propertyName)
{
//有属性默认值
var p = (from ps in PropertySetters where ps.PropertyName == propertyName select ps).FirstOrDefault();
if (p != null && p.Default != null)
{
//设置默认属性结果
SetPropertyValue(propertyName, p.Default, true, true);
//如果默认属性是列表，调用列表的New过程
if (p.Default is BaseObjectList)
{
(p.Default as BaseObjectList).New();
}
}
//有默认对象，复制默认对象
else if (p != null && p.DefaultObject != null)
{
if (p.DefaultObject is GeneralObject)
{
//复制默认对象到新对象
GeneralObject go = p.DefaultObject as GeneralObject;
GeneralObject ngo = new GeneralObject();
ngo.CopyFrom(go);
p.Object.SetPropertyValue(p.PropertyName, ngo, false, true);
}
else if (p.DefaultObject is ObjectList)
{
//复制默认对象到新对象
ObjectList go = p.DefaultObject as ObjectList;
ObjectList ngo = new ObjectList();
ngo.CopyFrom(go);
p.Object.SetPropertyValue(p.PropertyName, ngo, false, true);
}
}
else
{
//如果属性是集合
if (GetProperty(propertyName).PropertyType == typeof(BaseObjectList))
{
//如果属性存在，清空集合
BaseObjectList old = (BaseObjectList)this.GetPropertyValue(propertyName);
if (old != null)
{
old.New();
}
//否则，无不置空标记，设置一个空集合
else if(!NotEmpty)
{
SetPropertyValue(propertyName, new ObjectList(), true);
}
}
else
{
SetPropertyValue(propertyName, null, true, true);
}
}
}
#endregion
