public InterfaceLibrary.NodeDataObject ChangeTo(InterfaceLibrary.NodeDataObject sourceObject, String EFConnectionString)
{
FolderInfo folderInfo = sourceObject.DataItem as FolderInfo;
NodeDataObject dataObject = NodeFactory.CreateDataInfoNode("DetailText", EFConnectionString);
DetailTextInfo detailInfo = dataObject.DataItem as DetailTextInfo;
detailInfo.Path = sourceObject.DataItem.Path;
detailInfo.Text = folderInfo.Text;
detailInfo.RTFText = folderInfo.RTFText;
//在数据库中删除记录
sourceObject.AccessObject.DeleteDataInfoObject(folderInfo);
//在数据库中创建对象
dataObject.AccessObject.Create(detailInfo);
return(dataObject);
}
/// <summary>
/// 依据节点类型创建"空白"的数据信息对象，其HasBeenLoadFromStorage属性为false
/// （无需数据存储的节点，如OnlyText例此，其HasBeenLoadFromStorage始终为true）
/// </summary>
/// <param name="NodeType"></param>
/// <returns></returns>
public static NodeDataObject CreateDataInfoNode(String NodeType, String EFConnectionString)
{
NodeDataObject nodeDataObject = new NodeDataObject();
if (NodeType == "OnlyText")
{
nodeDataObject.DataItem = new OnlyTextInfo()
{
MainWindow = _mainWindow
};
nodeDataObject.AccessObject = null;
}
if (NodeType == "Folder")
{
FolderInfo info = new FolderInfo()
{
MainWindow = _mainWindow
};
FolderAccess access = new FolderAccess(EFConnectionString);
info.SetRootControlDataAccessObj(access);
nodeDataObject.DataItem = info;
//设置数据未装入标记
nodeDataObject.DataItem.HasBeenLoadFromStorage = false;
nodeDataObject.AccessObject = access;
}
if (NodeType == "DetailText")
{
DetailTextInfo info = new DetailTextInfo()
{
MainWindow = _mainWindow
};
DetailTextAccess accessObj = new DetailTextAccess(EFConnectionString);
info.SetRootControlDataAccessObj(accessObj);
nodeDataObject.DataItem = info;
//设置数据未装入标记
nodeDataObject.DataItem.HasBeenLoadFromStorage = false;
nodeDataObject.AccessObject = accessObj;
}
return(nodeDataObject);
}
