private void Window_Loaded(object sender, RoutedEventArgs e)
{
if (Properties.Settings.Default["vfsfile"] == null || ((String)(Properties.Settings.Default["vfsfile"])).Length == 0)
{
var r = System.Windows.Forms.MessageBox.Show("首次启动 VFS 需要在磁盘上建立一个虚拟磁盘镜像文件，镜像文件大小为 1GB。\n点击确定后请选择一个可以写入的位置来建立此文件，点击取消关闭程序。", "磁盘镜像文件未找到", System.Windows.Forms.MessageBoxButtons.OKCancel, System.Windows.Forms.MessageBoxIcon.Information);
if (r == System.Windows.Forms.DialogResult.Cancel)
{
Close();
return;
}
using (var dialog = new System.Windows.Forms.SaveFileDialog())
{
dialog.Title = "保存磁盘镜像文件";
dialog.FileName = "vfs.bin";
var result = dialog.ShowDialog();
if (result == System.Windows.Forms.DialogResult.Cancel)
{
Close();
return;
}
else
{
try
{
device = new FileAdapter(dialog.FileName, 1 << 10 << 10 << 10);
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show("打开镜像文件失败，可能您没有权限在该位置写入文件，或您内存不足。程序即将退出，请重新打开程序。");
Close();
return;
}
// 更新配置
Properties.Settings.Default["vfsfile"] = dialog.FileName;
Properties.Settings.Default.Save();
}
}
}
else
{
device = new FileAdapter((String)Properties.Settings.Default["vfsfile"], 1 << 10 << 10 << 10);
}
vfs = new VFS(device);
if (!vfs.IsFormated())
{
var result = System.Windows.Forms.MessageBox.Show("该磁盘镜像文件尚未格式化，是否格式化?", "VFS", System.Windows.Forms.MessageBoxButtons.YesNo);
if (result == System.Windows.Forms.DialogResult.No)
{
Close();
return;
}
vfs.Format(device.Size() >> 10, 4);
// 写入一个示例文件
var file = vfs.NewFile("/README.txt", VFS.FileMode.Create);
file.Write(Encoding.UTF8.GetBytes("Hello world！\r\n\r\n这个文件是格式化时自动建立的，如果你看到了这个文件，说明一切工作正常。\r\n\r\n当你使用记事本修改这个文件并保存以后，它会同步到虚拟文件系统中。\r\n\r\n该虚拟文件系统是索引文件系统，inode 默认占总空间的 10%，理论可支持单一文件最大 2GB。"));
System.Windows.Forms.MessageBox.Show("磁盘格式化成功！", "VFS", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Information);
}
LoadDirectory("/");
UpdateInfo();
}
private void ButtonTool_Click(object sender, RoutedEventArgs e)
{
XamDialogWindow win = new XamDialogWindow()
{
Width = 350,
Height = 150,
StartupPosition = StartupPosition.Center,
CloseButtonVisibility = Visibility.Collapsed
};
win.Header = "格式化";
StackPanel stack = new StackPanel();
stack.VerticalAlignment = VerticalAlignment.Center;
stack.Margin = new Thickness(10);
Label label = new Label();
label.Content = "您确认要格式化文件系统吗?";
stack.Children.Add(label);
StackPanel stackButton = new StackPanel();
stackButton.Orientation = Orientation.Horizontal;
stackButton.HorizontalAlignment = HorizontalAlignment.Center;
stack.Children.Add(stackButton);
Button btnOK = new Button();
btnOK.Content = "格式化";
btnOK.Padding = new Thickness(10, 0, 10, 0);
btnOK.Margin = new Thickness(10);
stackButton.Children.Add(btnOK);
Button btnCancel = new Button();
btnCancel.Content = "取消";
btnCancel.Padding = new Thickness(10, 0, 10, 0);
btnCancel.Margin = new Thickness(10);
stackButton.Children.Add(btnCancel);
//FadeOutWindow();
win.Content = stack;
win.IsModal = true;
grid.Children.Add(win);
btnOK.Click += delegate {
VFS.Format();
currentDir = VFS.ROOT_DIR;
recorder.Add(currentDir);
listView.ItemsSource = VFS.ROOT_DIR.directoryData;
url.Text = currentDir.GetPath();
win.Close();
grid.Children.Remove(win);
};
btnCancel.Click += delegate
{
win.Close();
grid.Children.Remove(win);
};
}