public OrderItem Clone()
{
OrderItem newObject = new OrderItem();
newObject.ItemDisplayState = this.ItemDisplayState;
newObject.RecPath = this.RecPath;
newObject.m_bChanged = this.m_bChanged;
newObject.OldRecord = this.OldRecord;
// 放入最新鲜的内容
newObject.CurrentRecord = this.RecordDom.OuterXml;
newObject.RecordDom = new XmlDocument();
newObject.RecordDom.LoadXml(this.RecordDom.OuterXml);
newObject.Timestamp = ByteArray.GetCopy(this.Timestamp);
newObject.ListViewItem = null; // this.ListViewItem;
newObject.Error = null; // this.Error;
return newObject;
}
// parameters:
// changed_refids 累加修改过的 refid 对照表。 原来的 --> 新的
/// <summary>
/// 根据一个 XML 字符串内容，构建出集合内的若干事项
/// </summary>
/// <param name="nodeOrderCollection">XmlNode对象，本方法将使用其下属的 dprms:order 元素来构造事项</param>
/// <param name="list">ListView 对象。构造好的事项会显示到其中</param>
/// <param name="bRefreshRefID">构造事项的过程中，是否要刷新每个事项的 RefID 成员值</param>
/// <param name="changed_refids">累加修改过的 refid 对照表。 原来的 --> 新的</param>
/// <param name="strError">返回出错信息</param>
/// <returns>-1: 出错。错误信息在 strError 中; 0: 成功</returns>
public int ImportFromXml(XmlNode nodeOrderCollection,
ListView list,
bool bRefreshRefID,
ref Hashtable changed_refids,
out string strError)
{
strError = "";
int nRet = 0;
if (nodeOrderCollection == null)
return 0;
XmlNamespaceManager nsmgr = new XmlNamespaceManager(new NameTable());
nsmgr.AddNamespace("dprms", DpNs.dprms);
XmlNodeList nodes = nodeOrderCollection.SelectNodes("dprms:order", nsmgr);
for (int i = 0; i < nodes.Count; i++)
{
XmlNode node = nodes[i];
OrderItem order_item = new OrderItem();
nRet = order_item.SetData("",
node.OuterXml,
null,
out strError);
if (nRet == -1)
return -1;
if (bRefreshRefID == true)
{
string strOldRefID = order_item.RefID;
order_item.RefID = Guid.NewGuid().ToString();
changed_refids[strOldRefID] = order_item.RefID;
}
this.Add(order_item);
order_item.ItemDisplayState = ItemDisplayState.New;
order_item.AddToListView(list);
order_item.Changed = true;
}
return 0;
}
// Undo标记删除
// return:
// false 没有必要Undo
// true 已经Undo
public bool UndoMaskDeleteItem(OrderItem orderitem)
{
if (orderitem.ItemDisplayState != ItemDisplayState.Deleted)
return false; // 要Undo的事项根本就不是Deleted状态，所以谈不上Undo
// 因为不知道上次标记删除前数据是否改过，因此全当改过
orderitem.ItemDisplayState = ItemDisplayState.Changed;
orderitem.Changed = true;
// 刷新
orderitem.RefreshListView();
return true;
}
// 从集合中和视觉上同时删除
public void PhysicalDeleteItem(
OrderItem orderitem)
{
// 从listview中消失
orderitem.DeleteFromListView();
this.Remove(orderitem);
}
// 标记删除
public void MaskDeleteItem(
bool bRemoveFromList,
OrderItem orderitem)
{
if (orderitem.ItemDisplayState == ItemDisplayState.New)
{
PhysicalDeleteItem(orderitem);
return;
}
orderitem.ItemDisplayState = ItemDisplayState.Deleted;
orderitem.Changed = true;
// 从listview中消失?
if (bRemoveFromList == true)
orderitem.DeleteFromListView();
else
{
orderitem.RefreshListView();
}
}