public int UpdateDataInfoObject(IDataInfo dataInfoObject)
{
InfoNodeDataInfo obj = dataInfoObject as InfoNodeDataInfo;
if (String.IsNullOrEmpty(obj.Text) == false && obj.Text.Length > DALConfig.MaxTextFieldSize)
{
obj.Text = obj.Text.Substring(0, DALConfig.MaxTextFieldSize);
}
if (dataInfoObject == null || obj == null)
{
return(0);
}
bool isNew = false;
InfoNodeDB dbobj = repository.GetInfoNodeDBWithoutFileInfosByPath(obj.Path);
if (dbobj == null)
{
dbobj = new InfoNodeDB();
isNew = true;
}
dbobj.ModifyTime = obj.ModifyTime;
dbobj.Text = obj.Text;
dbobj.Path = obj.Path;
dbobj.Type = obj.IconType;
dbobj.RTFText = (String.IsNullOrEmpty(obj.RTFText)) ? null : Encoding.UTF8.GetBytes(obj.RTFText);
if (isNew)
{
return(repository.AddInfoNodeDB(dbobj));
}
else
{
return(repository.UpdateInfoNodeDB(dbobj));
}
}
private void ShowDataObjectInUI(InfoNodeDataInfo obj)
{
if (obj != null)
{
richTextBox1.Rtf = obj.RTFText;
dgFiles.ItemsSource = obj.AttachFiles;
dgLabels.ItemsSource = obj.AttachLabels;
}
}
//触发事件
public void RaiseEvent(bool eventInfo, InfoNodeAccess accessInfo, InfoNodeDataInfo dataInfo)
{
//创建事件对象
var e = new FileCountChangedEvent(eventInfo, accessInfo, dataInfo);
//依次通知所有订阅了本事件的响应者
foreach (var handler in Handlers)
{
handler.Handle(e);
}
}
//触发事件
public void RaiseEvent(InfoNodeAccess accessInfo, InfoNodeDataInfo dataInfo)
{
//创建事件对象
var eventObj = new AddLabelEvent(accessInfo, dataInfo);
//依次通知所有订阅了本事件的响应者
foreach (var handler in Handlers)
{
handler.Handle(eventObj);
}
}
public IDataInfo GetDataInfoObjectByPath(string nodePath)
{
InfoNodeDB dbobj = repository.GetInfoNodeDBWithoutFileInfosByPath(nodePath);
ObservableCollection <DBFileInfo> files = repository.GetFileInfosOfInfoNodeDB(nodePath);
ObservableCollection <DBLabelInfo> labels = repository.GetLabelInfosOfInfoNodeDB(nodePath);
InfoNodeDataInfo InfoNodeInfo = InfoNodeHelper.changeToInfoNodeDataInfo(dbobj);
if (InfoNodeInfo != null)
{
InfoNodeInfo.AttachFiles = files;
InfoNodeInfo.AttachLabels = labels;
}
return(InfoNodeInfo);
}
/// <summary>
/// 转换为InfoNodeInfo，不理会附属文件集合
/// </summary>
/// <param name="dbobj"></param>
/// <returns></returns>
public static InfoNodeDataInfo changeToInfoNodeDataInfo(InfoNodeDB dbobj)
{
if (dbobj == null)
{
return(null);
}
InfoNodeDataInfo obj = new InfoNodeDataInfo()
{
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InfoNode对象，不理会附属文件集合
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static InfoNodeDB changeToInfoNodeDB(InfoNodeDataInfo 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);
}
InfoNodeDB dbObj = new InfoNodeDB()
{
ModifyTime = obj.ModifyTime,
Path = obj.Path,
RTFText = String.IsNullOrEmpty(obj.RTFText) ? null : Encoding.UTF8.GetBytes(obj.RTFText), // RTFText是真正内容
Text = String.IsNullOrEmpty(obj.Text) ? "" : obj.Text, //Text该属性仅用于在数据库中查找文本
Type = obj.IconType,
ID = obj.ID
};
return(dbObj);
}
public AddLabelEvent(InfoNodeAccess accessInfo, InfoNodeDataInfo dataInfo)
{
AccessInfo = accessInfo;
DataInfo = dataInfo;
}
public FileCountChangedEvent(bool ishavefile, InfoNodeAccess accessInfo, InfoNodeDataInfo dataInfo)
{
IsHaveFile = ishavefile;
AccessInfo = accessInfo;
DataInfo = dataInfo;
}
