/// <summary>
/// 获取子级数据项
/// </summary>
/// <returns></returns>
public override IDataItem[] GetChildren()
{
if (!IsContainer)
{
return(null);
}
else
{
DirectoryInfo curDirInfo = new DirectoryInfo(IdentityName.Replace('/', '\\'));
List <LocalFileData> fList = new List <LocalFileData>();
LocalFileData fDat = null;
#region 文件
foreach (FileInfo file in curDirInfo.GetFiles())
{
fDat = new LocalFileData(file.FullName);
fDat.IsContainer = false;
fList.Add(fDat);
}
#endregion
#region 目录
foreach (DirectoryInfo di in curDirInfo.GetDirectories())
{
fDat = new LocalFileData(di.FullName);
fDat.IsContainer = true;
fList.Add(fDat);
}
#endregion
return(fList.ToArray());
}
}
/// <summary>
/// 相关属性数据绑定
/// </summary>
public override void DataBind()
{
string tarFile = (IsContainer) ? IdentityName + "\\" + FileSystemStorage.FS_DIRDAT : IdentityName;
tarFile = tarFile.Replace('/', '\\');
if (!File.Exists(tarFile))
{
return;
}
byte[] diskDat = File.ReadAllBytes(tarFile);
LocalFileData fDat = FileWrapHelper.UnWrapObject(diskDat) as LocalFileData;
if (fDat != null)
{
this.Alias = fDat.Alias;
this.IsContainer = fDat.IsContainer;
this.CreateDateTimeUTC = fDat.CreateDateTimeUTC;
this.ModifiedDateTimeUTC = fDat.ModifiedDateTimeUTC;
this.Name = fDat.Name;
this.RawData = fDat.RawData;
}
}
/// <summary>
/// 上级数据项
/// </summary>
/// <returns></returns>
public override IDataItem GetParent()
{
DirectoryInfo tarDi = null;
if (IsContainer)
{
tarDi = new DirectoryInfo(IdentityName.Replace('/', '\\')).Parent;
}
else
{
tarDi = new DirectoryInfo(Path.GetDirectoryName(IdentityName.Replace('/', '\\')));
}
if (!tarDi.Exists)
{
return(null);
}
else
{
LocalFileData fDat = new LocalFileData(tarDi.FullName);
fDat.IsContainer = true;
return(fDat);
}
}
/// <summary>
/// 获取满足指定标志的数据集合
/// </summary>
/// <param name="containerIdentityName">父级容器标识名称，若为null或空则获取顶层相关数据。</param>
/// <param name="filter">判断匹配规则</param>
/// <param name="isMatch">匹配方向：true则匹配，false则为不匹配。</param>
/// <returns>如果存在则返回集合，否则为null或空数组。</returns>
public IDataItem[] GetDataList(string containerIdentityName, Predicate <IDataItem> filter, bool isMatch)
{
string tarDir = BaseDirectory;
if (string.IsNullOrEmpty(containerIdentityName))
{
tarDir = Path.Combine(BaseDirectory, containerIdentityName.Replace('/', '\\'));
}
DirectoryInfo curDirInfo = new DirectoryInfo(tarDir);
if (!curDirInfo.Exists)
{
return(null);
}
else
{
List <LocalFileData> fList = new List <LocalFileData>();
LocalFileData fDat = null;
#region 文件
foreach (FileInfo file in curDirInfo.GetFiles())
{
fDat = new LocalFileData(file.FullName);
fDat.IsContainer = false;
if (filter == null)
{
fList.Add(fDat);
}
else
{
bool doAdd = (isMatch) ? filter(fDat) : !filter(fDat);
if (doAdd)
{
fList.Add(fDat);
}
}
}
#endregion
#region 目录
foreach (DirectoryInfo di in curDirInfo.GetDirectories())
{
fDat = new LocalFileData(di.FullName);
fDat.IsContainer = true;
if (filter == null)
{
fList.Add(fDat);
}
else
{
bool doAdd = (isMatch) ? filter(fDat) : !filter(fDat);
if (doAdd)
{
fList.Add(fDat);
}
}
}
#endregion
return(fList.ToArray());
}
}