public void Init()
{
//init here
Height = 675;
Width = 1200;
menuDock.Visibility = Visibility.Collapsed;
rootPath = new FileItemView
{
SubItems = new ObservableCollection <FileItemView>
{
new FileItemView
{
Name = "",
DisplayName = "Root",
Icon = new BitmapImage(new Uri(@"Resources/Images/Computer16.png",
UriKind.RelativeOrAbsolute)),
}
}
};
CurrentPath = rootPath;
SetBindings();
}
private void CreateFileItemViews()
{
string[] dirs = Directory.GetDirectories(ExploringDir).Where((string dirName) => {
return(!ExcludeDirNames.Contains(dirName));
}).ToArray();
string[] files = Directory.GetFiles(ExploringDir).Where((string fileName) => {
if (!fileName.Contains('.'))
{
return(true);
}
return(!ExcludeFileExtensions.Contains(Path.GetExtension(fileName)));
}).ToArray();
foreach (string dir in dirs)
{
FileItemView itemView = new FileItemView(dir, FileIconType.Directory);
itemView.RegisterDoubleClickEvent(() => {
ExploreDir(itemView.FullFilename);
});
FileItemContext.Children.Add(itemView);
}
foreach (string file in files)
{
FileItemView itemView = new FileItemView(file, FileIconType.File);
FileItemContext.Children.Add(itemView);
}
}
private async Task ShowFileDetailsDialog(FileItemView fv)
{
if (string.IsNullOrEmpty(fv.SHA256) || string.IsNullOrEmpty(fv.PreBytes))
{
try
{
using FileStream fs = fv.FileInfo.Open(FileMode.Open);
if (string.IsNullOrEmpty(fv.PreBytes))
{
fs.Position = 0;
byte[] prebs = new byte[4];
await fs.ReadAsync(prebs, 0, 4);
fv.PreBytes = FilesHashComputer.ToHexString(prebs);
}
if (string.IsNullOrEmpty(fv.SHA256))
{
fs.Position = 0;
using (SHA256 sha256 = SHA256.Create())
{
fv.SHA256 = "Sha256正在计算中...";
byte[] hv = await sha256.ComputeHashAsync(fs);
fv.SHA256 = FilesHashComputer.ToHexString(hv);
fv.IsOK = true;
}
}
fs.Close();
}
catch (UnauthorizedAccessException unex)
{
fv.SHA256 = "未授权访问";
ShowErrorMsg(unex.Message);
}
catch (Exception ex)
{
ShowErrorMsg(ex.Message);
}
}
var fdd = new FileDetailsDialog(fv);
fdd.ShowDialog();
}
private async void BtnSearch_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(filesView.FolderName))
{
return;
}
if (!Directory.Exists(filesView.FolderName))
{
return;
}
try
{
filesView.FileHashComputed = false;
DirectoryInfo dirInfo = new DirectoryInfo(filesView.FolderName);
FileInfo[] files = dirInfo.GetFiles("", SearchOption.AllDirectories);
if (!files.Any())
{
return;
}
filesView.Total = files.Length;
filesView.FileItems.Clear();
List <FileItemView> fis = new List <FileItemView>();
foreach (var f in files)
{
string rn = System.IO.Path.GetRelativePath(filesView.FolderName, f.FullName);
FileItemView fi = new FileItemView()
{
FileInfo = f,
Name = rn,
FullName = f.FullName,
Length = f.Length,
LastWriteTime = f.LastWriteTime,
CreationTime = f.CreationTime,
};
fis.Add(fi);
filesView.FileItems.Add(fi);
}
List <FileInfo> hashFiles = new List <FileInfo>();
var lenGroup = fis.GroupBy(x => x.Length);
foreach (var g in lenGroup)
{
if (g.Count() >= 2)
{
hashFiles.AddRange(g.Select(x => x.FileInfo));
}
}
int hashCount = hashFiles.Count;
filesView.Count = files.Length - hashCount;
if (hashCount >= 1)
{
FilesHashComputer computer = new FilesHashComputer(hashFiles);
computer.FileHashComputed += Computer_FileHashComputed;
computer.FileHashError += Computer_FileHashError;
await computer.ComputeHash();
filesView.FileHashComputed = true;
}
}
catch (Exception ex)
{
PrintError(ex);
}
}
/// <summary>
/// 构造函数
/// </summary>
public FileDetailsDialog(FileItemView fv)
{
InitializeComponent();
DataContext = fv;
}
