C# MessageDialogProgressMonitor.BeginTask方法代码示例

		public void RemoveSolutionItem (SolutionItem item)
		{
			string question = GettextCatalog.GetString ("Do you really want to remove project '{0}' from '{1}'?", item.Name, item.ParentFolder.Name);
			string secondaryText = GettextCatalog.GetString ("The Remove option remove the project from the solution, but it will not physically delete any file from disk.");
			
			SolutionEntityItem prj = item as SolutionEntityItem;
			if (prj == null) {
				if (MessageService.Confirm (question, AlertButton.Remove) && IdeApp.Workspace.RequestItemUnload (item))
					RemoveItemFromSolution (prj);
				return;
			}
			
			AlertButton delete = new AlertButton (GettextCatalog.GetString ("Delete from Disk"));
			AlertButton result = MessageService.AskQuestion (question, secondaryText,
			                                                 delete, AlertButton.Cancel, AlertButton.Remove);
			if (result == delete) {
				if (!IdeApp.Workspace.RequestItemUnload (prj))
					return;
				ConfirmProjectDeleteDialog dlg = new ConfirmProjectDeleteDialog (prj);
				if (MessageService.RunCustomDialog (dlg) == (int) Gtk.ResponseType.Ok) {
					
					// Remove the project before removing the files to avoid unnecessary events
					RemoveItemFromSolution (prj);
					
					List<FilePath> files = dlg.GetFilesToDelete ();
					dlg.Destroy ();
					using (IProgressMonitor monitor = new MessageDialogProgressMonitor (true)) {
						monitor.BeginTask (GettextCatalog.GetString ("Deleting Files..."), files.Count);
						foreach (FilePath file in files) {
							try {
								if (Directory.Exists (file))
									FileService.DeleteDirectory (file);
								else
									FileService.DeleteFile (file);
							} catch (Exception ex) {
								monitor.ReportError (GettextCatalog.GetString ("The file or directory '{0}' could not be deleted.", file), ex);
							}
							monitor.Step (1);
						}
						monitor.EndTask ();
					}
				} else
					dlg.Destroy ();
			}
			else if (result == AlertButton.Remove && IdeApp.Workspace.RequestItemUnload (prj)) {
				RemoveItemFromSolution (prj);
			}
		}

		/// <summary>
		/// Adds files to a project, potentially asking the user whether to move, copy or link the files.
		/// </summary>
		public IList<ProjectFile> AddFilesToProject (Project project, FilePath[] files, FilePath[] targetPaths,
			string buildAction)
		{
			Debug.Assert (project != null);
			Debug.Assert (files != null);
			Debug.Assert (targetPaths != null);
			Debug.Assert (files.Length == targetPaths.Length);
			
			AddAction action = AddAction.Copy;
			bool applyToAll = true;
			bool dialogShown = false;
			
			IProgressMonitor monitor = null;
			
			if (files.Length > 10) {
				monitor = new MessageDialogProgressMonitor (true);
				monitor.BeginTask (GettextCatalog.GetString("Adding files..."), files.Length);
			}
			
			var newFileList = new List<ProjectFile> ();
			
			//project.AddFile (string) does linear search for duplicate file, so instead we use this HashSet and 
			//and add the ProjectFiles directly. With large project and many files, this should really help perf.
			//Also, this is a better check because we handle vpaths and links.
			//FIXME: it would be really nice if project.Files maintained these hashmaps
			var vpathsInProject = new HashSet<FilePath> (project.Files.Select (pf => pf.ProjectVirtualPath));
			var filesInProject = new Dictionary<FilePath,ProjectFile> ();
			foreach (var pf in project.Files)
				filesInProject [pf.FilePath] = pf;
			
			using (monitor)
			{
				for (int i = 0; i < files.Length; i++) {
					FilePath file = files[i];
					
					if (monitor != null) {
						monitor.Log.WriteLine (file);
						monitor.Step (1);
					}
					
					if (FileService.IsDirectory (file)) {
						//FIXME: warning about skipping?
						newFileList.Add (null);
						continue;
					}
					
					FilePath targetPath = targetPaths[i].CanonicalPath;
					Debug.Assert (targetPath.IsChildPathOf (project.BaseDirectory));
					
					var vpath = targetPath.ToRelative (project.BaseDirectory);
					if (vpathsInProject.Contains (vpath)) {
						if (project.Files.GetFileWithVirtualPath (vpath).FilePath != file)
							MessageService.ShowWarning (GettextCatalog.GetString (
								"There is a already a file or link in the project with the name '{0}'", vpath));
						continue;
					}
					
					string fileBuildAction = buildAction;
					if (string.IsNullOrEmpty (buildAction))
						fileBuildAction = project.GetDefaultBuildAction (targetPath);
					
					//files in the target directory get added directly in their current location without moving/copying
					if (file.CanonicalPath == targetPath) {
						AddFileToFolder (newFileList, vpathsInProject, filesInProject, file, fileBuildAction);
						continue;
					}
					
					//for files outside the project directory, we ask the user whether to move, copy or link
					
					AddExternalFileDialog addExternalDialog = null;
					
					if (!dialogShown || !applyToAll) {
						addExternalDialog = new AddExternalFileDialog (file);
						if (files.Length > 1) {
							addExternalDialog.ApplyToAll = applyToAll;
							addExternalDialog.ShowApplyAll = true;
						}
						if (file.IsChildPathOf (targetPath.ParentDirectory))
							addExternalDialog.ShowKeepOption (file.ParentDirectory.ToRelative (targetPath.ParentDirectory));
						else {
							if (action == AddAction.Keep)
								action = AddAction.Copy;
							addExternalDialog.SelectedAction = action;
						}
					}
					
					try {
						if (!dialogShown || !applyToAll) {
							if (MessageService.RunCustomDialog (addExternalDialog) == (int) Gtk.ResponseType.Cancel) {
								project.Files.AddRange (newFileList.Where (f => f != null));
								return newFileList;
							}
							action = addExternalDialog.SelectedAction;
							applyToAll = addExternalDialog.ApplyToAll;
							dialogShown = true;
						}
						
//.........这里部分代码省略.........

		protected virtual void OnButton24Clicked (object sender, System.EventArgs e)
		{
			var dialog = new SelectFileDialog (GettextCatalog.GetString ("Add items to toolbox")) {
				SelectMultiple = true,
				TransientFor = this,
			};
			dialog.AddFilter (null, "*.dll");
			if (dialog.Run ()) {
				indexModified = true;
				// Add the new files to the index
				using (var monitor = new MessageDialogProgressMonitor (true, false, false, true)) {
					monitor.BeginTask (GettextCatalog.GetString ("Looking for components..."), dialog.SelectedFiles.Length);
					foreach (string s in dialog.SelectedFiles) {
						var cif = index.AddFile (s);
						monitor.Step (1);
						if (cif != null) {
							// Select all new items by default
							foreach (var it in cif.Components)
								currentItems.Add (it, it);
						}
						else
							MessageService.ShowWarning (GettextCatalog.GetString ("The file '{0}' does not contain any component.", s));
					}
				}
				Fill ();
			}
		}

		/// <summary>
		/// Adds files to a project, potentially asking the user whether to move, copy or link the files.
		/// </summary>
		public IList<ProjectFile> AddFilesToProject (Project project, FilePath[] files, FilePath[] targetPaths,
			string buildAction)
		{
			Debug.Assert (project != null);
			Debug.Assert (files != null);
			Debug.Assert (targetPaths != null);
			Debug.Assert (files.Length == targetPaths.Length);
			
			AddAction action = AddAction.Copy;
			bool applyToAll = true;
			bool dialogShown = false;
			bool supportsLinking = !(project is MonoDevelop.Projects.SharedAssetsProjects.SharedAssetsProject);

			var confirmReplaceFileMessage = new QuestionMessage ();
			if (files.Length > 1) {
				confirmReplaceFileMessage.AllowApplyToAll = true;
				confirmReplaceFileMessage.Buttons.Add (new AlertButton (GettextCatalog.GetString ("Skip")));
			}
			confirmReplaceFileMessage.Buttons.Add (AlertButton.Cancel);
			confirmReplaceFileMessage.Buttons.Add (AlertButton.OverwriteFile);
			confirmReplaceFileMessage.DefaultButton = confirmReplaceFileMessage.Buttons.Count - 1;
			
			ProgressMonitor monitor = null;
			
			if (files.Length > 10) {
				monitor = new MessageDialogProgressMonitor (true);
				monitor.BeginTask (GettextCatalog.GetString("Adding files..."), files.Length);
			}
			
			var newFileList = new List<ProjectFile> ();
			
			//project.AddFile (string) does linear search for duplicate file, so instead we use this HashSet and 
			//and add the ProjectFiles directly. With large project and many files, this should really help perf.
			//Also, this is a better check because we handle vpaths and links.
			//FIXME: it would be really nice if project.Files maintained these hashmaps
			var vpathsInProject = new Dictionary<FilePath, ProjectFile> ();
			var filesInProject = new Dictionary<FilePath,ProjectFile> ();
			foreach (var pf in project.Files) {
				filesInProject [pf.FilePath] = pf;
				vpathsInProject [pf.ProjectVirtualPath] = pf;
			}

			using (monitor)
			{
				for (int i = 0; i < files.Length; i++) {
					FilePath file = files[i];
					
					if (monitor != null) {
						monitor.Log.WriteLine (file);
						monitor.Step (1);
					}
					
					if (FileService.IsDirectory (file)) {
						//FIXME: warning about skipping?
						newFileList.Add (null);
						continue;
					}
					
					FilePath targetPath = targetPaths[i].CanonicalPath;
					Debug.Assert (targetPath.IsChildPathOf (project.BaseDirectory));

					ProjectFile vfile;
					var vpath = targetPath.ToRelative (project.BaseDirectory);
					if (vpathsInProject.TryGetValue (vpath, out vfile)) {
						if (vfile.IsLink) {
							MessageService.ShowWarning (GettextCatalog.GetString (
								"There is already a link in the project with the name '{0}'", vpath));
							continue;
						} else if (vfile.FilePath == file) {
							// File already exists in project.
							continue;
						}
					}
					
					string fileBuildAction = buildAction;
					if (string.IsNullOrEmpty (buildAction))
						fileBuildAction = project.GetDefaultBuildAction (targetPath);
					
					//files in the target directory get added directly in their current location without moving/copying
					if (file.CanonicalPath == targetPath) {
						if (vfile != null)
							ShowFileExistsInProjectMessage (vpath);
						else
							AddFileToFolder (newFileList, vpathsInProject, filesInProject, file, fileBuildAction);
						continue;
					}
					
					//for files outside the project directory, we ask the user whether to move, copy or link
					
					AddExternalFileDialog addExternalDialog = null;
					
					if (!dialogShown || !applyToAll) {
						addExternalDialog = new AddExternalFileDialog (file);
						if (!supportsLinking)
							addExternalDialog.DisableLinkOption ();
						if (files.Length > 1) {
							addExternalDialog.ApplyToAll = applyToAll;
//.........这里部分代码省略.........

		/// <summary>
		/// Adds files to a project, potentially asking the user whether to move, copy or link the files.
		/// </summary>
		public IList<ProjectFile> AddFilesToProject (Project project, FilePath[] files, FilePath[] targetPaths,
			string buildAction)
		{
			Debug.Assert (project != null);
			Debug.Assert (files != null);
			Debug.Assert (targetPaths != null);
			Debug.Assert (files.Length == targetPaths.Length);
			
			int action = -1;
			IProgressMonitor monitor = null;
			
			if (files.Length > 10) {
				monitor = new MessageDialogProgressMonitor (true);
				monitor.BeginTask (GettextCatalog.GetString("Adding files..."), files.Length);
			}
			
			var newFileList = new List<ProjectFile> ();
			
			//project.AddFile (string) does linear search for duplicate file, so instead we use this HashSet and 
			//and add the ProjectFiles directly. With large project and many files, this should really help perf.
			//Also, this is a better check because we handle vpaths and links.
			//FIXME: it would be really nice if project.Files maintained these hashmaps
			var vpathsInProject = new HashSet<FilePath> (project.Files.Select (pf => pf.ProjectVirtualPath));
			var filesInProject = new Dictionary<FilePath,ProjectFile> ();
			foreach (var pf in project.Files)
				filesInProject [pf.FilePath] = pf;
			
			using (monitor)
			{
				for (int i = 0; i < files.Length; i++) {
					FilePath file = files[i];
					
					if (monitor != null) {
						monitor.Log.WriteLine (file);
						monitor.Step (1);
					}
					
					if (FileService.IsDirectory (file)) {
						//FIXME: warning about skipping?
						newFileList.Add (null);
						continue;
					}
					
					FilePath targetPath = targetPaths[i].CanonicalPath;
					Debug.Assert (targetPath.IsChildPathOf (project.BaseDirectory));
					
					var vpath = targetPath.ToRelative (project.BaseDirectory);
					if (vpathsInProject.Contains (vpath)) {
						MessageService.ShowWarning (GettextCatalog.GetString (
							"There is a already a file or link in the project with the name '{0}'", vpath));
						continue;
					}
					
					string fileBuildAction = buildAction;
					if (string.IsNullOrEmpty (buildAction))
						fileBuildAction = project.GetDefaultBuildAction (file);
					
					//files in the target directory get added directly in their current location without moving/copying
					if (file.CanonicalPath == targetPath) {
						//FIXME: MD project system doesn't cope with duplicate includes - project save/load will remove the file
						ProjectFile pf;
						if (filesInProject.TryGetValue (targetPath, out pf)) {
							var link = pf.Link;
							MessageService.ShowWarning (GettextCatalog.GetString (
								"The link '{0}' in the project already includes the file '{1}'", link, file));
							continue;
						}
						pf = new ProjectFile (file, fileBuildAction);
						vpathsInProject.Add (pf.ProjectVirtualPath);
						filesInProject [pf.FilePath] = pf;
						newFileList.Add (pf);
						continue;
					}
					
					//for files outside the project directory, we ask the user whether to move, copy or link
					var md = new Gtk.MessageDialog (
						 IdeApp.Workbench.RootWindow,
						 Gtk.DialogFlags.Modal | Gtk.DialogFlags.DestroyWithParent,
						 Gtk.MessageType.Question, Gtk.ButtonsType.None,
						 GettextCatalog.GetString ("The file {0} is outside the target directory. What would you like to do?", file));

					try {
						Gtk.CheckButton remember = null;
						if (files.Length > 1) {
							remember = new Gtk.CheckButton (GettextCatalog.GetString ("Use the same action for all selected files."));
							md.VBox.PackStart (remember, false, false, 0);
						}
						
						const int ACTION_LINK = 3;
						const int ACTION_COPY = 1;
						const int ACTION_MOVE = 2;
						
						md.AddButton (GettextCatalog.GetString ("_Link"), ACTION_LINK);
						md.AddButton (Gtk.Stock.Copy, ACTION_COPY);
						md.AddButton (GettextCatalog.GetString ("_Move"), ACTION_MOVE);
						md.AddButton (Gtk.Stock.Cancel, Gtk.ResponseType.Cancel);
						md.VBox.ShowAll ();
//.........这里部分代码省略.........

		/// <summary>
		/// Adds files to a project, potentially asking the user whether to move, copy or link the files.
		/// </summary>
		public IList<ProjectFile> AddFilesToProject (Project project, FilePath[] files, FilePath targetDirectory,
			string buildAction)
		{
			int action = -1;
			IProgressMonitor monitor = null;
			
			if (files.Length > 10) {
				monitor = new MessageDialogProgressMonitor (true);
				monitor.BeginTask (GettextCatalog.GetString("Adding files..."), files.Length);
			}
			
			var newFileList = new List<ProjectFile> ();
			
			using (monitor) {
				foreach (FilePath file in files) {
					if (monitor != null) {
						monitor.Log.WriteLine (file);
						monitor.Step (1);
					}
					
					if (FileService.IsDirectory (file)) {
						//FIXME: warning about skipping?
						newFileList.Add (null);
						continue;
					}
					
					//files in the project directory get added directly in their current location without moving/copying
					if (file.IsChildPathOf (project.BaseDirectory)) {
						newFileList.Add (project.AddFile (file, buildAction));
						continue;
					}
					
					//for files outside the project directory, we ask the user whether to move, copy or link
					var md = new Gtk.MessageDialog (
						 IdeApp.Workbench.RootWindow,
						 Gtk.DialogFlags.Modal | Gtk.DialogFlags.DestroyWithParent,
						 Gtk.MessageType.Question, Gtk.ButtonsType.None,
						 GettextCatalog.GetString ("The file {0} is outside the project directory. What would you like to do?", file));

					try {
						Gtk.CheckButton remember = null;
						if (files.Length > 1) {
							remember = new Gtk.CheckButton (GettextCatalog.GetString ("Use the same action for all selected files."));
							md.VBox.PackStart (remember, false, false, 0);
						}
						
						const int ACTION_LINK = 3;
						const int ACTION_COPY = 1;
						const int ACTION_MOVE = 2;
						
						md.AddButton (GettextCatalog.GetString ("_Link"), ACTION_LINK);
						md.AddButton (Gtk.Stock.Copy, ACTION_COPY);
						md.AddButton (GettextCatalog.GetString ("_Move"), ACTION_MOVE);
						md.AddButton (Gtk.Stock.Cancel, Gtk.ResponseType.Cancel);
						md.VBox.ShowAll ();
						
						int ret = -1;
						if (action < 0) {
							ret = MessageService.RunCustomDialog (md);
							if (ret < 0)
								return newFileList;
							if (remember != null && remember.Active) action = ret;
						} else {
							ret = action;
						}
						
						var targetName = targetDirectory.Combine (file.FileName);
						
						if (ret == ACTION_LINK) {
							var pf = project.AddFile (file, buildAction);
							pf.Link = project.GetRelativeChildPath (targetName);
							newFileList.Add (pf);
							continue;
						}
						
						try {
							if (MoveCopyFile (file, targetName, ret == ACTION_MOVE))
								newFileList.Add (project.AddFile (targetName, buildAction));
							else
								newFileList.Add (null);
						}
						catch (Exception ex) {
							MessageService.ShowException (ex, GettextCatalog.GetString (
								"An error occurred while attempt to move/copy that file. Please check your permissions."));
							newFileList.Add (null);
						}
					} finally {
						md.Destroy ();
					}
				}
			}
			return newFileList;
		}