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);
}
}
}
}
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);
}
}
}
}
internal LoadedChildrenEnumerator(Entity entity)
{
_entity = entity;
//Entity 有可能是一个 Criteria，这时会没有仓库。
var repo = entity.FindRepository();
if (repo != null)
{
_childProperties = repo.GetChildProperties();
}
else
{
_childProperties = new IProperty[0];
}
_index = -1;
_current = new ChildPropertyField();
}