internal void Clone(EntityTreeChildren source, CloneOptions options)
{
_loaded = source._loaded;
if (_loaded)
{
var srcNodes = source._nodes;
if (srcNodes != null)
{
_nodes = new List <Entity>();
var repo = _owner.FindRepository();
var entityType = _owner.GetType();
for (int i = 0, c = srcNodes.Count; i < c; i++)
{
var src = srcNodes[i];
Entity entity = null;
if (repo != null)
{
entity = repo.New();
}
else
{
entity = Entity.New(entityType);
}
entity.Clone(src, options);
entity._treeParent = _owner;
_nodes.Add(entity);
}
}
}
}
/// <summary>
/// 从指定的对象中拷贝所有数据到另一对象中。
///
/// 默认实体只拷贝所有数据属性。
/// 子类可重写此方法来拷贝更多一般字段。
/// </summary>
/// <param name="src">数据源对象。</param>
/// <param name="dst">目标对象。</param>
protected virtual void MemoryClone(Entity src, Entity dst)
{
//同时由于以下代码只是对托管属性进行了拷贝，会导致一些一般字段无法复制。（参见 Rafy.RBAC.ModuleAC 实体类型。）
//返回的子对象的属性只是简单的完全Copy参数data的数据。
dst.Clone(src, CloneOptions.ReadDbRow());
}
internal void Clone(EntityTreeChildren source, CloneOptions options)
{
_loaded = source._loaded;
if (_loaded)
{
var srcNodes = source._nodes;
if (srcNodes != null)
{
_nodes = new List <Entity>();
var repo = _owner.FindRepository();
var entityType = _owner.GetType();
for (int i = 0, c = srcNodes.Count; i < c; i++)
{
var src = srcNodes[i];
Entity entity = null;
if (repo != null)
{
entity = repo.New();
}
else
{
entity = Entity.New(entityType);
}
/*修复Entitylist使用TreeChildren属性Clone时TreeIndex错误问题
*原因是TreeChildren中实体Clone时会TreePId改变触发OnTreePIdChanged事件，
* OnTreePIdChanged事件中会处理entity._treeParent为空并且
* _treeParent.Id不等于新的克隆值时，需要重新设置TreeParent值
* 导致设置TreeIndex错误
* 所以需要entity克隆前设置_treeParent的值为 source._owner
*/
entity._treeParent = source._owner;
entity.Clone(src, options);
entity._treeParent = _owner;
_nodes.Add(entity);
}
}
}
}
