Esempio n. 1
0
        private void listView_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            const int bufferSize = 4096;

            var item = (DirectoryItem)listView.SelectedItem;

            if (item == null)
            {
                return;
            }

            if (item.isDirectory)
            {
                if (item.name == ".")
                {
                    Reload();
                    return;
                }
                if (item.name == "..")
                {
                    GoUp();
                    return;
                }

                if (history.Count - historyNeedle - 1 > 0)
                {
                    history.RemoveRange(historyNeedle + 1, history.Count - historyNeedle - 1);
                }
                var newDir = currentDirectory + item.name + "/";
                if (LoadDirectory(newDir))
                {
                    history.Add(newDir);
                    historyNeedle++;
                    buttonForward.IsEnabled = (historyNeedle + 1 < history.Count);
                    buttonBack.IsEnabled    = (historyNeedle - 1 >= 0);
                }
            }
            else
            {
                // 读取文件内容到临时变量
                String tempFileName = System.IO.Path.GetTempFileName() + System.IO.Path.GetExtension(item.path);
                using (System.IO.BinaryWriter writer = new System.IO.BinaryWriter(new System.IO.FileStream(tempFileName, System.IO.FileMode.Create)))
                {
                    var    file   = vfs.NewFile(item.path, VFS.FileMode.Open);
                    byte[] buffer = new byte[bufferSize];
                    int    count;
                    while ((count = (int)file.Read(buffer, 0, (uint)buffer.Length)) != 0)
                    {
                        writer.Write(buffer, 0, count);
                    }
                }

                FadeOutWindow();

                XamDialogWindow win = CreateDialogWindow();
                win.Header = "VFS";

                Label label = new Label();
                label.Content = "正在等待应用程序关闭, 文件内容将在程序关闭后自动更新...";
                label.VerticalContentAlignment = VerticalAlignment.Center;
                label.HorizontalAlignment      = HorizontalAlignment.Center;

                win.Content = label;
                win.IsModal = true;
                windowContainer.Children.Add(win);

                Utils.ProcessUITasks();

                // 调用系统默认程序打开
                var process = new System.Diagnostics.Process();
                process.StartInfo           = new System.Diagnostics.ProcessStartInfo(tempFileName);
                process.EnableRaisingEvents = true;
                process.Start();

                try
                {
                    process.WaitForExit();
                }
                catch (Exception ex)
                {
                }

                // 在关闭后,读取内容写回文件系统
                using (System.IO.BinaryReader reader = new System.IO.BinaryReader(new System.IO.FileStream(tempFileName, System.IO.FileMode.Open)))
                {
                    var    file   = vfs.NewFile(item.path, VFS.FileMode.Create);
                    byte[] buffer = new byte[bufferSize];
                    int    count;
                    while ((count = reader.Read(buffer, 0, buffer.Length)) != 0)
                    {
                        file.Write(buffer, 0, (uint)count);
                    }
                }

                win.Close();
                windowContainer.Children.Remove(win);
                FadeInWindow();

                Reload();
                UpdateInfo();
            }
        }
Esempio n. 2
0
        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();
        }