// Helper method: get parent directory
IsoDirectory GetParentDir(IsoDirectory root, IsoFile child)
{
if (string.IsNullOrEmpty(child.FilePath))
{
return(null);
}
else
{
string[] dirs = child.FilePath.Split('/');
IsoDirectory cur = root;
for (int i = 1; i < dirs.Length - 1; i++)
{
IsoDirectory next = cur.Children.FirstOrDefault(dir => dir.FileName == dirs[i]) as IsoDirectory;
if (next != null)
{
cur = next;
}
else
{
return(null);
}
}
return(cur);
}
}
// Add File
private void bnAddFile_Click(object sender, RoutedEventArgs e)
{
bool overrideflag = false;
var selecteddir = tvIsolatedStorage.SelectedItem as IsoDirectory;
if (selecteddir == null)
{
return;
}
OpenFileDialog ofd = new OpenFileDialog();
var result = ofd.ShowDialog();
if (result.HasValue && result.Value)
{
string filename = ofd.File.Name;
string filepath = selecteddir.FilePath + "/" + filename;
IsoFile file = new IsoFile(filename, filepath);
try
{
// Check if file name is same with directory name
if (_isofile.GetDirectoryNames(filepath).Length > 0)
{
MessageBox.Show(string.Format("File name {0} not allowed", filename));
return;
}
// Check if file name already exist
else if (_isofile.GetFileNames(filepath).Length > 0)
{
// Show message box, ask user if override file
var mbresult = MessageBox.Show(string.Format("Override the current file: {0} ?", filename), "override warning", MessageBoxButton.OKCancel);
if (mbresult != MessageBoxResult.OK)
{
return;
}
else
{
overrideflag = true;
}
}
}
catch (PathTooLongException)
{
MessageBox.Show("Add file failed.\nThe file path is too long.");
return;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
// Check if has enough space
if (_isofile.AvailableFreeSpace < ofd.File.Length)
{
MessageBox.Show("Not enough isolated storage space.");
return;
}
Stream isostream = null;
Stream filestream = null;
try
{
// Create isolatedstorage stream
isostream = _isofile.CreateFile(filepath);
// Open file stream
filestream = ofd.File.OpenRead();
// Copy
// Note: exception in copy progress won't be catched here.
CopyStream(filestream, isostream);
// Check override
if (!overrideflag)
{
selecteddir.Children.Add(file);
}
}
catch (Exception ex) {
if (isostream != null)
{
isostream.Close();
}
if (filestream != null)
{
filestream.Close();
}
MessageBox.Show(ex.Message);
}
}
}
// 增加文件
private void bnAddFile_Click(object sender, RoutedEventArgs e)
{
bool overrideflag = false;
var selecteddir = tvIsolatedStorage.SelectedItem as IsoDirectory;
if(selecteddir==null)
return;
OpenFileDialog ofd = new OpenFileDialog();
var result = ofd.ShowDialog();
if (result.HasValue && result.Value)
{
string filename = ofd.File.Name;
string filepath = selecteddir.FilePath + "/" + filename;
IsoFile file = new IsoFile(filename, filepath);
try
{
// 检查文件名是否和目录名一样
if (_isofile.GetDirectoryNames(filepath).Length > 0)
{
MessageBox.Show(string.Format("文件名“{0}”不允许。", filename));
return;
}
// 检查文件是否已经存在
else if (_isofile.GetFileNames(filepath).Length > 0)
{
// 显示提示框，问是否覆盖文件
var mbresult = MessageBox.Show(string.Format("覆盖当前文件: {0} ?", filename), "覆盖警告", MessageBoxButton.OKCancel);
if (mbresult != MessageBoxResult.OK)
return;
else
overrideflag = true;
}
}
catch (PathTooLongException)
{
MessageBox.Show("增加文件失败。\n文件路径太长。");
return;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
// 检查是否有足够空间
if (_isofile.AvailableFreeSpace < ofd.File.Length)
{
MessageBox.Show("独立存储器空间不够。");
return;
}
Stream isostream = null;
Stream filestream = null;
try
{
// 创建isolatedstorage流
isostream = _isofile.CreateFile(filepath);
// 打开文件流
filestream = ofd.File.OpenRead();
// 复制
// 注意：这里不会捕捉复制过程中的异常。
CopyStream(filestream, isostream);
// 检查覆盖
if (!overrideflag)
selecteddir.Children.Add(file);
}
catch(Exception ex) {
if (isostream != null) isostream.Close();
if (filestream != null) filestream.Close();
MessageBox.Show(ex.Message);
}
}
}
// Helper 方法: 取得父目录
IsoDirectory GetParentDir(IsoDirectory root, IsoFile child)
{
if (string.IsNullOrEmpty(child.FilePath))
return null;
else
{
string[] dirs = child.FilePath.Split('/');
IsoDirectory cur = root;
for (int i = 1; i < dirs.Length - 1; i++)
{
IsoDirectory next = cur.Children.FirstOrDefault(dir => dir.FileName == dirs[i]) as IsoDirectory;
if (next != null)
cur = next;
else
return null;
}
return cur;
}
}
// 增加文件
private void bnAddFile_Click(object sender, RoutedEventArgs e)
{
bool overrideflag = false;
var selecteddir = tvIsolatedStorage.SelectedItem as IsoDirectory;
if (selecteddir == null)
{
return;
}
OpenFileDialog ofd = new OpenFileDialog();
var result = ofd.ShowDialog();
if (result.HasValue && result.Value)
{
string filename = ofd.File.Name;
string filepath = selecteddir.FilePath + "/" + filename;
IsoFile file = new IsoFile(filename, filepath);
try
{
// 检查文件名是否和目录名一样
if (_isofile.GetDirectoryNames(filepath).Length > 0)
{
MessageBox.Show(string.Format("文件名“{0}”不允许。", filename));
return;
}
// 检查文件是否已经存在
else if (_isofile.GetFileNames(filepath).Length > 0)
{
// 显示提示框，问是否覆盖文件
var mbresult = MessageBox.Show(string.Format("覆盖当前文件: {0} ?", filename), "覆盖警告", MessageBoxButton.OKCancel);
if (mbresult != MessageBoxResult.OK)
{
return;
}
else
{
overrideflag = true;
}
}
}
catch (PathTooLongException)
{
MessageBox.Show("增加文件失败。\n文件路径太长。");
return;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
// 检查是否有足够空间
if (_isofile.AvailableFreeSpace < ofd.File.Length)
{
MessageBox.Show("独立存储器空间不够。");
return;
}
Stream isostream = null;
Stream filestream = null;
try
{
// 创建isolatedstorage流
isostream = _isofile.CreateFile(filepath);
// 打开文件流
filestream = ofd.File.OpenRead();
// 复制
// 注意：这里不会捕捉复制过程中的异常。
CopyStream(filestream, isostream);
// 检查覆盖
if (!overrideflag)
{
selecteddir.Children.Add(file);
}
}
catch (Exception ex) {
if (isostream != null)
{
isostream.Close();
}
if (filestream != null)
{
filestream.Close();
}
MessageBox.Show(ex.Message);
}
}
}
