public MediaViewModel(ILiveDescribePlayer mediaVideo, ProjectManager projectManager)
{
_mediaVideo = mediaVideo;
PlayCommand = new RelayCommand(Play, PlayCheck);
PauseCommand = new RelayCommand(Pause, PauseCheck);
MuteCommand = new RelayCommand(Mute, () => true);
PauseForExtendedDescriptionCommand = new RelayCommand(PauseForExtendedDescription, () => true);
//Marker commands {
MarkerMouseDownCommand = new RelayCommand(OnMarkerMouseDown, () => true);
MarkerMouseUpCommand = new RelayCommand(OnMarkerMouseUp, () => true);
MarkerMouseMoveCommand = new RelayCommand(OnMarkerMouseMove, () => true);
//}
//bound to when the video loads and is opened via the mediaelement
VideoOpenedCommand = new RelayCommand(VideoOpen, () => true);
MediaFailedCommand = new RelayCommand(MediaFailed, () => true);
MediaEndedCommand = new RelayCommand(MediaEnded, () => true);
_mediaVideo.PropertyChanged += (sender, e) =>
{
if (e.PropertyName.Equals("CurrentState"))
{
VideoState = _mediaVideo.CurrentState;
RaisePropertyChanged("VideoState");
}
};
projectManager.ProjectLoaded += (sender, args) =>
{
Waveform = args.Value.Waveform;
};
projectManager.ProjectClosed += (sender, args) => CloseMediaControlViewModel();
}
public AudioCanvasViewModel(ILiveDescribePlayer mediaPlayer, ProjectManager projectManager,
UndoRedoManager undoRedoManager)
{
_projectManager = projectManager;
_undoRedoManager = undoRedoManager;
_player = mediaPlayer;
//TODO: Just refer to MediaPlayer?
mediaPlayer.PropertyChanged += (sender, args) =>
{
if (args.PropertyName.Equals("CurrentState"))
CurrentVideoState = mediaPlayer.CurrentState;
};
_projectManager.ProjectLoaded += (sender, args) => Waveform = args.Value.Waveform;
GetNewSpaceTime = new RelayCommand(
canExecute: () => CurrentVideoState != LiveDescribeVideoStates.VideoNotLoaded,
execute: () =>
{
var s = new Space();
OnRequestSpaceTime(s);
projectManager.AddSpaceAndTrackForUndo(s);
});
}
public DescriptionCanvasViewModel(ILiveDescribePlayer videoMedia, ProjectManager projectManager)
{
_projectManager = projectManager;
DescriptionCanvasMouseUpCommand = new RelayCommand<MouseEventArgs>(DescriptionCanvasMouseUp, param => true);
DescriptionCanvasMouseMoveCommand = new RelayCommand<MouseEventArgs>(DescriptionCanvasMouseMove, param => true);
DescriptionCanvasMouseDownCommand = new RelayCommand<MouseEventArgs>(DescriptionCanvasMouseDown, param => true);
videoMedia.PropertyChanged += (sender, args) =>
{
if (args.PropertyName.Equals("CurrentState"))
CurrentVideoState = videoMedia.CurrentState;
};
}
public DescriptionCanvasViewModel(ILiveDescribePlayer videoMedia, ProjectManager projectManager,
UndoRedoManager undoRedoManager)
{
_projectManager = projectManager;
_undoRedoManager = undoRedoManager;
_player = videoMedia;
videoMedia.PropertyChanged += (sender, args) =>
{
if (args.PropertyName.Equals("CurrentState"))
CurrentVideoState = videoMedia.CurrentState;
};
}
public MarkingSpacesViewModel(IntervalInfoListViewModel intervalInfoList, ILiveDescribePlayer player, UndoRedoManager undoRedoManager)
{
intervalInfoList.PropertyChanged += (sender, args) =>
{
if (args.PropertyName.Equals("SelectedSpace"))
SelectedSpace = intervalInfoList.SelectedSpace;
};
_undoRedoManager = undoRedoManager;
_player = player;
EditingEnabled = false;
InitCommands();
}
public MarkingSpacesControlViewModel(DescriptionInfoTabViewModel descriptionInfo, ILiveDescribePlayer player, UndoRedoManager undoRedoManager)
{
descriptionInfo.PropertyChanged += (sender, args) =>
{
if (args.PropertyName.Equals("SelectedSpace"))
SelectedSpace = descriptionInfo.SelectedSpace;
};
_undoRedoManager = undoRedoManager;
_player = player;
EditingEnabled = false;
InitCommands();
}
public AudioCanvasViewModel(ILiveDescribePlayer mediaPlayer, ProjectManager projectManager)
{
_projectManager = projectManager;
AudioCanvasMouseDownCommand = new RelayCommand<MouseEventArgs>(AudioCanvasMouseDown, param => true);
AudioCanvasMouseRightButtonDownCommand = new RelayCommand<MouseEventArgs>(AudioCanvasMouseRightButtonDown, param => true);
mediaPlayer.PropertyChanged += (sender, args) =>
{
if (args.PropertyName.Equals("CurrentState"))
CurrentVideoState = mediaPlayer.CurrentState;
};
GetNewSpaceTime = new RelayCommand(
canExecute: () => CurrentVideoState != LiveDescribeVideoStates.VideoNotLoaded,
execute: () =>
{
var s = new Space();
OnRequestSpaceTime(s);
projectManager.AddSpaceAndTrackForUndo(s);
});
}
public DescriptionRecordingViewModel(ILiveDescribePlayer mediaVideo, ProjectManager projectManager)
{
_mediaVideo = mediaVideo;
_projectManager = projectManager;
_recorder = GetDescriptionRecorder();
InitCommands();
Settings.Default.PropertyChanged += (sender, args) =>
{
if (args.PropertyName != "Microphone")
return;
Recorder.MicrophoneDeviceNumber = Settings.Default.Microphone.DeviceNumber;
try
{
Log.Info("Product Name of Apply Requested Microphone: "
+ WaveIn.GetCapabilities(Recorder.MicrophoneDeviceNumber).ProductName);
}
catch (MmException) { Log.Info("No Microphone is plugged in."); }
};
}
public NumberLineViewModel(ILiveDescribePlayer player)
{
_player = player;
}
public MainWindowViewModel(ILiveDescribePlayer mediaVideo)
{
DispatcherHelper.Initialize();
_undoRedoManager = new UndoRedoManager();
_loadingViewModel = new LoadingViewModel(100, null, 0, false);
_projectManager = new ProjectManager(_loadingViewModel, _undoRedoManager);
_descriptionRecordingControlViewModel = new DescriptionRecordingControlViewModel(mediaVideo,
_projectManager);
_mediaControlViewModel = new MediaControlViewModel(mediaVideo, _projectManager);
_preferences = new PreferencesViewModel();
_descriptionInfoTabViewModel = new DescriptionInfoTabViewModel(_projectManager, _descriptionRecordingControlViewModel);
_markingSpacesControlViewModel = new MarkingSpacesControlViewModel(_descriptionInfoTabViewModel, mediaVideo, _undoRedoManager);
_audioCanvasViewModel = new AudioCanvasViewModel(mediaVideo, _projectManager);
_descriptionCanvasViewModel = new DescriptionCanvasViewModel(mediaVideo, _projectManager);
_mediaVideo = mediaVideo;
DescriptionPlayer = new DescriptionPlayer();
DescriptionPlayer.DescriptionFinishedPlaying += (sender, e) =>
{
try
{
DispatcherHelper.UIDispatcher.Invoke(() =>
_mediaControlViewModel.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(_mediaControlViewModel.Waveform);
_projectManager.Spaces.AddRange(spaces);
}
);
ExportDescriptionsTextToSrt = new RelayCommand(
canExecute: () => _projectManager.HasProjectLoaded,
execute: () =>
{
var saveFileDialog = new SaveFileDialog
{
FileName = Path.GetFileNameWithoutExtension(_mediaControlViewModel.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(_mediaControlViewModel.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 MediaControlViewModel Events
_mediaControlViewModel.PlayRequested += (sender, e) =>
{
_mediaVideo.Play();
_descriptiontimer.Start();
//this Handler should be attached to the view to update the graphics
OnPlayRequested(sender, e);
};
_mediaControlViewModel.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);
};
_mediaControlViewModel.OnPausedForExtendedDescription += (sender, e) =>
{
_mediaVideo.Pause();
_descriptiontimer.Stop();
CommandManager.InvalidateRequerySuggested();
};
_mediaControlViewModel.MuteRequested += OnMuteRequested;
_mediaControlViewModel.MediaEndedEvent += (sender, e) =>
{
_descriptiontimer.Stop();
_mediaVideo.Stop();
OnMediaEnded(sender, e);
};
#endregion
#region Property Changed Events
_mediaControlViewModel.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;
_mediaControlViewModel.LoadVideo(_project.Files.Video);
SetWindowTitle();
};
_projectManager.ProjectModifiedStateChanged += (sender, args) => SetWindowTitle();
_projectManager.ProjectClosed += (sender, args) =>
{
TryToCleanUpUnusedDescriptionAudioFiles();
_project = null;
SetWindowTitle();
};
#endregion
SetWindowTitle();
}
