/// <summary>
/// 其它程序打开命令;
/// </summary>
/// <param name="vm"></param>
/// <returns></returns>
private static ICommandItem CreateOpenFileWithAnotherProCommandItem(Contracts.FileExplorer.ViewModels.IFolderBrowserViewModel vm)
{
var comm = CreateOpenFileWithAnotherProCommand(vm);
var cmi = CommandItemFactory.CreateNew(comm);
cmi.Name = LanguageService.FindResourceString(Constants.ContextCommandName_OpenFileWithAnotherPro);
cmi.Sort = 128;
return(cmi);
}
public static DelegateCommand CreateOpenFileWithAnotherProCommand(Contracts.FileExplorer.ViewModels.IFolderBrowserViewModel vm)
{
var comm = new DelegateCommand(() => {
var viewerPath = DialogService.Current.OpenFile(
$"({LanguageService.FindResourceString("Executable")})|*.exe");
if (string.IsNullOrEmpty(viewerPath))
{
return;
}
//添加查看器;
var viewerName = Path.GetFileName(viewerPath);
ViewerService.Current.AddViewer(viewerName, viewerPath);
//对所有的视图模型上下文添加命令项;
var vms = GetAllFolderViewModels();
if (vms != null)
{
foreach (var fvm in vms)
{
var openWithCmi = fvm.ContextCommands?.FirstOrDefault(p => p.GUID == Constants.CommandItemGUID_OpenFileWith);
if (openWithCmi == null)
{
continue;
}
var cmi = CreateOpenFileWithProCommandItem(viewerName, viewerPath, fvm);
openWithCmi.AddChild(cmi);
}
}
//执行查看命令;
OpenFileWithPro(viewerPath, vm);
});
return(comm);
}
/// <summary>
///使用指定程序打开视图模型中选定的文件;
/// </summary>
/// <param name="viewerPath"></param>
/// <param name="vm"></param>
private static void OpenFileWithPro(string viewerPath, Contracts.FileExplorer.ViewModels.IFolderBrowserViewModel vm)
{
if (vm.SelectedFileRow?.File == null)
{
return;
}
var fileName = SaveFileToTemp(vm.SelectedFileRow.File);
if (string.IsNullOrEmpty(fileName))
{
LoggerService.WriteCallerLine($"{nameof(fileName)} can't be null.");
return;
}
if (!File.Exists(fileName))
{
LoggerService.WriteCallerLine($"The file {fileName} can't be found.");
return;
}
ViewerService.Current.OpenFileWith(fileName, viewerPath);
}
private static DelegateCommand CreateOpenFileWithProCommand(string viewerPath, Contracts.FileExplorer.ViewModels.IFolderBrowserViewModel vm)
{
var comm = new DelegateCommand(() => {
OpenFileWithPro(viewerPath, vm);
});
vm.SelectedFileChanged += delegate {
comm.RaiseCanExecuteChanged();
};
return(comm);
}
/// <summary>
/// 创建打开文件的命令;
/// </summary>
/// <param name="viewerName"></param>
/// <param name="viewerPath"></param>
/// <param name="vm"></param>
/// <returns></returns>
private static ICommandItem CreateOpenFileWithProCommandItem(string viewerName, string viewerPath, Contracts.FileExplorer.ViewModels.IFolderBrowserViewModel vm)
{
var comm = CreateOpenFileWithProCommand(viewerPath, vm);
var cmi = CommandItemFactory.CreateNew(comm);
cmi.Name = viewerName;
return(cmi);
}
