/// <summary>
/// 转换为FolderInfo，不理会附属文件集合
/// </summary>
/// <param name="dbobj"></param>
/// <returns></returns>
public static FolderInfo changeToFolderInfo(FolderDB dbobj)
{
if (dbobj == null)
{
return null;
}
FolderInfo obj = new FolderInfo()
{
Text = String.IsNullOrEmpty(dbobj.Text) ? "" : dbobj.Text,
RTFText = dbobj.RTFText == null ? "" : Encoding.UTF8.GetString(dbobj.RTFText),
Path = dbobj.Path,
ModifyTime = dbobj.ModifyTime.Value,
ID = dbobj.ID
};
return obj;
}
/// <summary>
/// 转换为FolderDB对象，不理会附属文件集合
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static FolderDB changeToFolderDB(FolderInfo obj)
{
if (obj == null)
{
return null;
}
//注意数据库中nvarchar最大允许4000个字符
if (obj.Text != null && obj.Text.Length > DALConfig.MaxTextFieldSize)
{
obj.Text = obj.Text.Substring(0, DALConfig.MaxTextFieldSize);
}
FolderDB dbObj = new FolderDB()
{
ModifyTime = obj.ModifyTime,
Path = obj.Path,
RTFText = String.IsNullOrEmpty(obj.RTFText) ? null : Encoding.UTF8.GetBytes(obj.RTFText),
Text = String.IsNullOrEmpty(obj.Text) ? "" : obj.Text,
ID = obj.ID
};
return dbObj;
}
/// <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;
}
private void ShowDataObjectInUI(FolderInfo obj)
{
if (obj != null)
{
richTextBox1.Rtf = obj.RTFText;
dgFiles.ItemsSource = obj.AttachFiles;
}
}