public TimelineViewModel(AudioCanvasViewModel audioCanvasViewModel, DescriptionCanvasViewModel descriptionCanvasViewModel, MediaViewModel mediaViewModel, NumberLineViewModel numberLineViewModel, ProjectManager projectManager) { _audioCanvasViewModel = audioCanvasViewModel; _descriptionCanvasViewModel = descriptionCanvasViewModel; _mediaViewModel = mediaViewModel; _numberLineViewModel = numberLineViewModel; _projectManager = projectManager; InitCommands(); }
private void OnDataContextChanged(object sender, DependencyPropertyChangedEventArgs e) { _viewModel = e.NewValue as AudioCanvasViewModel; if (_viewModel != null) { _viewModel.Spaces.CollectionChanged += CollectionChanged_TrackPropertyListeners; _viewModel.RequestSpaceTime += ViewModelOnRequestSpaceTime; _addSpaceMenuItem = new MenuItem { Header = UiStrings.Command_AddSpace, Command = _viewModel.GetNewSpaceTime, }; } var oldViewModel = e.OldValue as AudioCanvasViewModel; if (oldViewModel != null) { oldViewModel.Spaces.CollectionChanged -= CollectionChanged_TrackPropertyListeners; oldViewModel.RequestSpaceTime -= ViewModelOnRequestSpaceTime; } }
public MainViewModel(ILiveDescribePlayer mediaVideo) { DispatcherHelper.Initialize(); _undoRedoManager = new UndoRedoManager(); _loadingViewModel = new LoadingViewModel(100, null, 0, false); _projectManager = new ProjectManager(_loadingViewModel, _undoRedoManager); _descriptionRecordingViewModel = new DescriptionRecordingViewModel(mediaVideo, _projectManager); _mediaViewModel = new MediaViewModel(mediaVideo, _projectManager); _preferences = new PreferencesViewModel(); _intervalInfoListViewModel = new IntervalInfoListViewModel(_projectManager, _descriptionRecordingViewModel); _markingSpacesViewModel = new MarkingSpacesViewModel(_intervalInfoListViewModel, mediaVideo, _undoRedoManager); _audioCanvasViewModel = new AudioCanvasViewModel(mediaVideo, _projectManager, _undoRedoManager); _descriptionCanvasViewModel = new DescriptionCanvasViewModel(mediaVideo, _projectManager, _undoRedoManager); _numberLineViewModel = new NumberLineViewModel(mediaVideo); _timelineViewModel = new TimelineViewModel(_audioCanvasViewModel, _descriptionCanvasViewModel, _mediaViewModel, _numberLineViewModel, _projectManager); _mediaVideo = mediaVideo; DescriptionPlayer = new DescriptionPlayer(); DescriptionPlayer.DescriptionFinishedPlaying += (sender, e) => { try { DispatcherHelper.UIDispatcher.Invoke(() => _mediaViewModel.ResumeFromDescription(e.Value)); } catch (TaskCanceledException exception) { Log.Warn("Task Canceled Exception", exception); } }; #region Commands //Commands CloseProject = new RelayCommand( canExecute: () => _projectManager.HasProjectLoaded, execute: () => { if (_projectManager.IsProjectModified) { var result = MessageBoxFactory.ShowWarningQuestion( string.Format(UiStrings.MessageBox_Format_SaveProjectWarning, _project.ProjectName)); if (result == MessageBoxResult.Yes) SaveProject.Execute(); else if (result == MessageBoxResult.Cancel) return; } _projectManager.CloseProject(); }); NewProject = new RelayCommand(() => { var viewModel = DialogShower.SpawnNewProjectView(); if (viewModel.DialogResult != true) return; if (viewModel.CopyVideo) CopyVideoAndSetProject(viewModel.VideoPath, viewModel.Project); else SetProject(viewModel.Project); }); OpenProject = new RelayCommand(() => { var projectChooser = new OpenFileDialog { Filter = string.Format(UiStrings.OpenFileDialog_Format_OpenProject, Project.Names.ProjectExtension) }; bool? dialogSuccess = projectChooser.ShowDialog(); if (dialogSuccess != true) return; OpenProjectPath.Execute(projectChooser.FileName); }); OpenProjectPath = new RelayCommand<string>(path => { //Attempt to read project. If object fields are missing, an error window pops up. try { Project p = FileReader.ReadProjectFile(path); SetProject(p); } catch (JsonSerializationException) { MessageBoxFactory.ShowError(UiStrings.MessageBox_OpenProjectFileMissingError); } catch (DirectoryNotFoundException e) { Log.Warn("Directory not found while trying to open project", e); MessageBoxFactory.ShowError(UiStrings.MessageBox_DirectoryNotFoundError); } catch (FileNotFoundException e) { Log.Warn("FileNotFound while trying to open project", e); MessageBoxFactory.ShowError(string.Format(UiStrings.MessageBox_Format_FileNotFoundError, e.FileName)); } }); ClearRecentProjects = new RelayCommand(() => { Settings.Default.RecentProjects.Clear(); Settings.Default.Save(); }); ShowImportAudioDescription = new RelayCommand( canExecute: () => _projectManager.HasProjectLoaded, execute: () => { var viewModel = DialogShower.SpawnImportAudioDescriptionView(_projectManager, _mediaVideo.DurationMilliseconds); } ); SaveProject = new RelayCommand( canExecute: () => _projectManager.IsProjectModified, execute: () => _projectManager.SaveProject() ); ExportWithDescriptions = new RelayCommand( canExecute: () => _projectManager.HasProjectLoaded, execute: () => { var viewModel = DialogShower.SpawnExportWindowView(_project, _mediaVideo.Path, _mediaVideo.DurationSeconds, _projectManager.AllDescriptions.ToList(), _loadingViewModel); if (viewModel.DialogResult != true) return; }); ClearCache = new RelayCommand( canExecute: () => _projectManager.HasProjectLoaded, execute: () => { var p = _project; CloseProject.Execute(); Directory.Delete(p.Folders.Cache, true); SetProject(p); }); ShowPreferences = new RelayCommand(() => { _preferences.RetrieveApplicationSettings(); var preferencesWindow = new PreferencesWindow(_preferences); preferencesWindow.ShowDialog(); }); FindSpaces = new RelayCommand( canExecute: () => _projectManager.HasProjectLoaded, execute: () => { var spaces = AudioAnalyzer.FindSpaces(_mediaViewModel.Waveform); _projectManager.Spaces.AddRange(spaces); } ); ExportDescriptionsTextToSrt = new RelayCommand( canExecute: () => _projectManager.HasProjectLoaded, execute: () => { var saveFileDialog = new SaveFileDialog { FileName = Path.GetFileNameWithoutExtension(_mediaViewModel.Path), Filter = UiStrings.SaveFileDialog_ExportToSrt }; saveFileDialog.ShowDialog(); FileWriter.WriteDescriptionsTextToSrtFile(saveFileDialog.FileName, _projectManager.AllDescriptions); } ); ExportSpacesTextToSrt = new RelayCommand( canExecute: () => _projectManager.HasProjectLoaded, execute: () => { var saveFileDialog = new SaveFileDialog { FileName = Path.GetFileNameWithoutExtension(_mediaViewModel.Path), Filter = UiStrings.SaveFileDialog_ExportToSrt }; saveFileDialog.ShowDialog(); FileWriter.WriteSpacesTextToSrtFile(saveFileDialog.FileName, _projectManager.Spaces); } ); ShowDescriptionFolder = new RelayCommand( canExecute: () => _projectManager.HasProjectLoaded, execute: () => { var pfi = new ProcessStartInfo("Explorer.exe", _project.Folders.Descriptions.AbsolutePath); Process.Start(pfi); } ); ShowAboutInfo = new RelayCommand(DialogShower.SpawnAboutInfoView); #endregion //If apply requested happens in the preferences use the new saved microphone in the settings _descriptiontimer = new Timer(10); _descriptiontimer.Elapsed += Play_Tick; _descriptiontimer.AutoReset = true; #region MediaViewModel Events _mediaViewModel.PlayRequested += (sender, e) => { _mediaVideo.Play(); _descriptiontimer.Start(); //this Handler should be attached to the view to update the graphics OnPlayRequested(sender, e); }; _mediaViewModel.PauseRequested += (sender, e) => { _mediaVideo.Pause(); _descriptiontimer.Stop(); if (_lastRegularDescriptionPlayed != null && _lastRegularDescriptionPlayed.IsPlaying) DescriptionPlayer.Stop(); //this Handler should be attached to the view to update the graphics OnPauseRequested(sender, e); }; _mediaViewModel.OnPausedForExtendedDescription += (sender, e) => { _mediaVideo.Pause(); _descriptiontimer.Stop(); CommandManager.InvalidateRequerySuggested(); }; _mediaViewModel.MuteRequested += OnMuteRequested; _mediaViewModel.MediaEndedEvent += (sender, e) => { _descriptiontimer.Stop(); _mediaVideo.Stop(); OnMediaEnded(sender, e); }; #endregion #region Property Changed Events _mediaViewModel.PropertyChanged += PropertyChangedHandler; //Update window title based on project name PropertyChanged += (sender, args) => { if (args.PropertyName == "IsProjectModified") SetWindowTitle(); }; #endregion #region ProjectManager Events _projectManager.ProjectLoaded += (sender, args) => { _project = args.Value; _mediaViewModel.LoadVideo(_project.Files.Video); SetWindowTitle(); }; _projectManager.ProjectModifiedStateChanged += (sender, args) => SetWindowTitle(); _projectManager.ProjectClosed += (sender, args) => { TryToCleanUpUnusedDescriptionAudioFiles(); _project = null; SetWindowTitle(); }; #endregion SetWindowTitle(); }