public void RemoveRelationObject(T o, string FKeyName)//对于关联的数据对象，只打标记，不真正的删除
{
if (Contains(o))
{
//ol.Remove(o);
//IsChanged = true;
FieldInfo f = ls.getFieldByName(o, FKeyName);
if (f != null)
{
f.SetValue(o, o.getUnAvailableIDValue());
}
if (o.DataFlag == DataOperation.Nothing)
{
o.DataFlag = DataOperation.Update;
}
if (Status == DataListStatus.DataUnLinked)
{
Status = DataListStatus.DataUnLinkedChanged;
}
if (Status == DataListStatus.DataLinked)
{
Status = DataListStatus.DataLinkedChanged;
}
}
}
public new void Add(T item)
{
base.Add(item);
sendChangedEvent(item, LFCObjChanged.ObjectCreated);
if (Status == DataListStatus.DataUnLinked)
{
Status = DataListStatus.DataUnLinkedChanged;
}
if (Status == DataListStatus.DataLinked)
{
Status = DataListStatus.DataLinkedChanged;
}
}
public new void Remove(T item)//只有没有关联的时候真的删除，否则只是打标记
{
if (Status == DataListStatus.DataUnLinked || Status == DataListStatus.DataUnLinkedChanged)
{
Status = DataListStatus.DataUnLinkedChanged;
base.Remove(item);
sendChangedEvent(item, LFCObjChanged.ObjectDeleted);
return;
}
//item.DataFlag = DataOperation.Delete;
if (Status == DataListStatus.DataLinked)
{
Status = DataListStatus.DataLinkedChanged;
}
}
public void setStatus(string s)
{
if (s == "DataLinked")
{
Status = DataListStatus.DataLinked;
}
if (s == "DataLinkedChanged")
{
Status = DataListStatus.DataLinkedChanged;
}
if (s == "DataUnLinkedChanged")
{
Status = DataListStatus.DataUnLinkedChanged;
}
Status = DataListStatus.DataUnLinked;
}
public void AddRelationObject(T o, string FKeyName, string FKeyValue)
{
Add(o);
FieldInfo f = ls.getFieldByName(o, FKeyName);
if (f != null)
{
f.SetValue(o, FKeyValue);
}
if (o.DataFlag == DataOperation.Nothing)
{
o.DataFlag = DataOperation.Update;
}
if (Status == DataListStatus.DataUnLinked)
{
Status = DataListStatus.DataUnLinkedChanged;
}
if (Status == DataListStatus.DataLinked)
{
Status = DataListStatus.DataLinkedChanged;
}
}
public new void Clear()//相当于初始化
{
base.Clear();
Status = DataListStatus.DataUnLinked;
}
