//--------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the <see cref="ManageLayoutsViewModel"/> class.
/// </summary>
/// <param name="layoutExtension">The <see cref="LayoutExtension"/>.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="layoutExtension"/> is <see langword="null"/>.
/// </exception>
public ManageLayoutsViewModel(LayoutExtension layoutExtension)
{
if (layoutExtension == null)
throw new ArgumentNullException(nameof(layoutExtension));
DisplayName = "Manage Layouts";
_layoutExtension = layoutExtension;
// Initial selection in the list box is the active window layout.
_selectedLayout = _layoutExtension.ActiveLayout;
RenameCommand = new DelegateCommand(Rename, CanRename);
DeleteCommand = new DelegateCommand(Delete, CanDelete);
CloseCommand = new DelegateCommand(Close);
}
internal void InitializeLayouts()
{
Logger.Info("Loading window layouts.");
Layouts.Clear();
try
{
// Load factory presets.
string applicationFolder = EditorHelper.GetUserSettingsFolder(ConfigurationUserLevel.None);
string layoutsFolder = Path.Combine(applicationFolder, LayoutsFolder, PresetsFolder);
Layouts.AddRange(Directory.EnumerateFiles(layoutsFolder, LayoutPattern)
.Select(Path.GetFileNameWithoutExtension)
.Select(name => new WindowLayout(name, true)));
}
catch (Exception exception)
{
Logger.Warn(exception, "Failed to load factory presets.");
}
try
{
// Load user presets.
string applicationFolder = EditorHelper.GetUserSettingsFolder(ConfigurationUserLevel.PerUserRoamingAndLocal);
string layoutsFolder = Path.Combine(applicationFolder, LayoutsFolder, PresetsFolder);
Layouts.AddRange(Directory.EnumerateFiles(layoutsFolder, LayoutPattern)
.Select(Path.GetFileNameWithoutExtension)
.Select(name => new WindowLayout(name, false)));
}
catch (Exception exception)
{
Logger.Warn(exception, "Failed to load user presets.");
}
// Add a dummy entry, if no presets are available.
if (Layouts.Count == 0)
{
Layouts.Add(new WindowLayout(DefaultLayout, true));
}
// The window layout will be loaded in OnEditorActivated().
ActiveLayout = null;
}
internal void Delete(WindowLayout layout)
{
Debug.Assert(layout != null);
Debug.Assert(layout != ActiveLayout, "Cannot delete active window layout.");
Logger.Info("Deleting window layout \"{0}\".", layout.Name);
Layouts.Remove(layout);
UpdateWindowLayoutItem();
try
{
DeleteUserSession(layout);
DeleteUserPreset(layout);
}
catch (Exception exception)
{
Logger.Warn(exception, "Failed to delete window layout \"{0}\".", layout.Name);
}
}
internal void Delete(WindowLayout layout)
{
Debug.Assert(layout != null);
Debug.Assert(layout != ActiveLayout, "Cannot delete active window layout.");
Logger.Info("Deleting window layout \"{0}\".", layout.Name);
Layouts.Remove(layout);
UpdateWindowLayoutItem();
try
{
DeleteUserSession(layout);
DeleteUserPreset(layout);
}
catch (Exception exception)
{
Logger.Warn(exception, "Failed to delete window layout \"{0}\".", layout.Name);
}
}
private void ResetWindowLayout(WindowLayout layout)
{
Logger.Info("Resetting window layout \"{0}\".", layout.Name);
// Delete session in memory.
layout.SerializedLayout = null;
layout.IsDirty = false;
try
{
// Delete session on disk.
DeleteUserSession(layout);
// Restore original preset.
LoadPreset(layout);
}
catch (Exception exception)
{
Logger.Warn(exception, $"Failed to restore preset \"{0}\".", layout.Name);
}
}
private void OnEditorActivated(object sender, ActivationEventArgs eventArgs)
{
if (eventArgs.Opened)
{
Editor.Activated -= OnEditorActivated;
// Load EditorWindow state.
LoadEditorWindowState();
// Check if a layout was requested using the --layout command line parameter.
var layoutName = GetLayoutNameFromCommandLine();
WindowLayout layout = null;
if (layoutName != null)
{
layout = Layouts.FirstOrDefault(l => l.Name == layoutName);
if (layout == null)
{
Logger.Error(Invariant($"The layout \"{layoutName}\" was not found. This layout was requested using a command line parameter."));
}
}
if (layout == null)
{
// Load previous window layout.
layout = Layouts.FirstOrDefault(l => l.Name == Settings.Default.ActiveWindowLayout)
?? Layouts.FirstOrDefault();
}
SwitchLayout(layout);
if (Editor.Window != null)
{
// Save EditorWindow state and window layout before window is closed.
Editor.Window.Closing += (s, e) =>
{
SaveEditorWindowState();
SaveLayouts();
};
}
}
}
private void LoadUserSession(WindowLayout layout)
{
Debug.Assert(layout != null);
// Load window layout from "%LOCALAPPDATA%\Layouts\*.xml".
string userSettingsFolder = EditorHelper.GetUserSettingsFolder(ConfigurationUserLevel.PerUserRoamingAndLocal);
string fileName = Path.Combine(userSettingsFolder, LayoutsFolder, $"{layout.Name}.xml");
layout.SerializedLayout = XDocument.Load(fileName).Root;
Editor.LoadLayout(layout.SerializedLayout);
layout.IsDirty = false;
}
private void LoadPreset(WindowLayout layout)
{
Debug.Assert(layout != null);
string layoutFolder;
if (layout.IsFactoryPreset)
{
// Load window layout from "<EXECUTABLE_FOLDER>\Layouts\Presets\*.xml".
string applicationFolder = EditorHelper.GetUserSettingsFolder(ConfigurationUserLevel.None);
layoutFolder = Path.Combine(applicationFolder, LayoutsFolder, PresetsFolder);
}
else
{
// Load window layout from "%LOCALAPPDATA%\Layouts\Presets\*.xml".
string userSettingsFolder = EditorHelper.GetUserSettingsFolder(ConfigurationUserLevel.PerUserRoamingAndLocal);
layoutFolder = Path.Combine(userSettingsFolder, LayoutsFolder, PresetsFolder);
}
string fileName = Path.Combine(layoutFolder, $"{layout.Name}.xml");
layout.SerializedLayout = XDocument.Load(fileName).Root;
Editor.LoadLayout(layout.SerializedLayout);
layout.IsDirty = false;
}
private static void SaveUserSession(WindowLayout layout)
{
Debug.Assert(layout != null);
Debug.Assert(layout.SerializedLayout != null);
// Save window layout to "%LOCALAPPDATA%\Layouts\*.xml".
string userSettingsFolder = EditorHelper.GetUserSettingsFolder(ConfigurationUserLevel.PerUserRoamingAndLocal);
string layoutFolder = Path.Combine(userSettingsFolder, LayoutsFolder);
string fileName = Path.Combine(layoutFolder, $"{layout.Name}.xml");
if (!Directory.Exists(layoutFolder))
Directory.CreateDirectory(layoutFolder);
new XDocument(layout.SerializedLayout).Save(fileName);
}
private static void DeleteUserSession(WindowLayout layout)
{
Debug.Assert(layout != null);
// Delete window layout from "%LOCALAPPDATA%\Layouts\*.xml".
string userSettingsFolder = EditorHelper.GetUserSettingsFolder(ConfigurationUserLevel.PerUserRoamingAndLocal);
string fileName = Path.Combine(userSettingsFolder, LayoutsFolder, $"{layout.Name}.xml");
File.Delete(fileName);
}
internal void SwitchLayout(WindowLayout layout)
{
Debug.Assert(layout != null);
Logger.Info("Switching to window layout \"{0}\".", layout.Name);
try
{
// Save current window layout to memory.
if (ActiveLayout != null)
{
ActiveLayout.SerializedLayout = Editor.SaveLayout();
ActiveLayout.IsDirty = true;
}
}
catch (Exception exception)
{
Logger.Warn(exception, "Failed to store active window layout to memory.");
}
ActiveLayout = layout;
UpdateWindowLayoutItem();
try
{
// Try to load window layout from memory.
if (layout.SerializedLayout != null)
{
Editor.LoadLayout(layout.SerializedLayout);
return;
}
}
catch (Exception exception)
{
Logger.Warn(exception, "Failed to restore window layout from memory.");
}
try
{
// Try to load user session.
LoadUserSession(layout);
return;
}
catch (Exception exception)
{
Logger.Warn(exception, "Failed to restore window layout from session data.");
}
try
{
// Try to load factory/user preset.
LoadPreset(layout);
return;
}
catch (Exception exception)
{
Logger.Warn(exception, "Failed to restore window layout from preset.");
}
}
internal void RenameWindowLayout(WindowLayout layout)
{
Debug.Assert(layout != null);
Debug.Assert(Layouts.Contains(layout));
string oldLayoutName = layout.Name;
Logger.Info("Renaming window layout \"{0}\".", oldLayoutName);
ShowSaveLayoutDialog:
var saveLayoutDialog = new SaveLayoutViewModel
{
DisplayName = "Rename Window Layout",
LayoutName = oldLayoutName
};
string newLayoutName = null;
WindowLayout existingLayout = null;
var result = _windowService.ShowDialog(saveLayoutDialog);
if (result.HasValue && result.Value && saveLayoutDialog.LayoutName != oldLayoutName)
{
Debug.Assert(!string.IsNullOrEmpty(saveLayoutDialog.LayoutName), "The layout name must not be null or empty.");
Debug.Assert(saveLayoutDialog.LayoutName.IndexOfAny(Path.GetInvalidFileNameChars()) == -1, "The layout name must not contain invalid characters.");
newLayoutName = saveLayoutDialog.LayoutName;
// Overwrite existing file?
existingLayout = Layouts.FirstOrDefault(l => l.Name == newLayoutName);
if (existingLayout != null)
{
if (existingLayout.IsFactoryPreset)
{
MessageBox.Show(
$"\"{newLayoutName}\" is a factory preset. Factory presets cannot be overwritten.",
Editor.ApplicationName, MessageBoxButton.OK, MessageBoxImage.Exclamation);
// Try again.
goto ShowSaveLayoutDialog;
}
else
{
var messageBoxResult = MessageBox.Show(
$"The layout \"{newLayoutName}\" already exists. Overwrite existing?",
Editor.ApplicationName, MessageBoxButton.YesNoCancel, MessageBoxImage.Exclamation);
if (messageBoxResult == MessageBoxResult.No)
{
// Try again.
goto ShowSaveLayoutDialog;
}
if (messageBoxResult == MessageBoxResult.Cancel)
{
// Abort.
newLayoutName = null;
}
}
}
}
if (!string.IsNullOrEmpty(newLayoutName))
{
try
{
// Rename window layout.
RenameUserSession(layout.Name, newLayoutName);
RenameUserPreset(layout.Name, newLayoutName);
if (existingLayout != null)
Layouts.Remove(existingLayout);
layout.Name = newLayoutName;
UpdateWindowLayoutItem();
}
catch (Exception exception)
{
Logger.Error(exception, "Could not rename window layout (old name: \"{0}\", new name: \"{1}\").", oldLayoutName, newLayoutName);
string message = $"Could not rename window layout.\n\n{exception.Message}";
MessageBox.Show(message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
internal void RenameWindowLayout(WindowLayout layout)
{
Debug.Assert(layout != null);
Debug.Assert(Layouts.Contains(layout));
string oldLayoutName = layout.Name;
Logger.Info("Renaming window layout \"{0}\".", oldLayoutName);
ShowSaveLayoutDialog:
var saveLayoutDialog = new SaveLayoutViewModel
{
DisplayName = "Rename Window Layout",
LayoutName = oldLayoutName
};
string newLayoutName = null;
WindowLayout existingLayout = null;
var result = _windowService.ShowDialog(saveLayoutDialog);
if (result.HasValue && result.Value && saveLayoutDialog.LayoutName != oldLayoutName)
{
Debug.Assert(!string.IsNullOrEmpty(saveLayoutDialog.LayoutName), "The layout name must not be null or empty.");
Debug.Assert(saveLayoutDialog.LayoutName.IndexOfAny(Path.GetInvalidFileNameChars()) == -1, "The layout name must not contain invalid characters.");
newLayoutName = saveLayoutDialog.LayoutName;
// Overwrite existing file?
existingLayout = Layouts.FirstOrDefault(l => l.Name == newLayoutName);
if (existingLayout != null)
{
if (existingLayout.IsFactoryPreset)
{
MessageBox.Show(
$"\"{newLayoutName}\" is a factory preset. Factory presets cannot be overwritten.",
Editor.ApplicationName, MessageBoxButton.OK, MessageBoxImage.Exclamation);
// Try again.
goto ShowSaveLayoutDialog;
}
else
{
var messageBoxResult = MessageBox.Show(
$"The layout \"{newLayoutName}\" already exists. Overwrite existing?",
Editor.ApplicationName, MessageBoxButton.YesNoCancel, MessageBoxImage.Exclamation);
if (messageBoxResult == MessageBoxResult.No)
{
// Try again.
goto ShowSaveLayoutDialog;
}
if (messageBoxResult == MessageBoxResult.Cancel)
{
// Abort.
newLayoutName = null;
}
}
}
}
if (!string.IsNullOrEmpty(newLayoutName))
{
try
{
// Rename window layout.
RenameUserSession(layout.Name, newLayoutName);
RenameUserPreset(layout.Name, newLayoutName);
if (existingLayout != null)
{
Layouts.Remove(existingLayout);
}
layout.Name = newLayoutName;
UpdateWindowLayoutItem();
}
catch (Exception exception)
{
Logger.Error(exception, "Could not rename window layout (old name: \"{0}\", new name: \"{1}\").", oldLayoutName, newLayoutName);
string message = $"Could not rename window layout.\n\n{exception.Message}";
MessageBox.Show(message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
private void SavePresetAs()
{
Logger.Info("Saving window layout as new preset.");
ShowSaveLayoutDialog:
var saveLayoutDialog = new SaveLayoutViewModel
{
DisplayName = "Save Window Layout",
LayoutName = "New layout"
};
string layoutName = null;
WindowLayout existingLayout = null;
var result = _windowService.ShowDialog(saveLayoutDialog);
if (result.HasValue && result.Value)
{
Debug.Assert(!string.IsNullOrEmpty(saveLayoutDialog.LayoutName), "The layout name must not be null or empty.");
Debug.Assert(saveLayoutDialog.LayoutName.IndexOfAny(Path.GetInvalidFileNameChars()) == -1, "The layout name must not contain invalid characters.");
layoutName = saveLayoutDialog.LayoutName;
// Overwrite existing window layout?
existingLayout = Layouts.FirstOrDefault(l => string.Compare(l.Name, layoutName, StringComparison.OrdinalIgnoreCase) == 0);
if (existingLayout != null)
{
if (existingLayout.IsFactoryPreset)
{
MessageBox.Show(
$"\"{layoutName}\" is a factory preset. Factory presets cannot be overwritten.",
Editor.ApplicationName, MessageBoxButton.OK, MessageBoxImage.Exclamation);
// Try again.
goto ShowSaveLayoutDialog;
}
else
{
var messageBoxResult = MessageBox.Show(
$"The layout \"{layoutName}\" already exists. Overwrite existing?",
Editor.ApplicationName, MessageBoxButton.YesNoCancel, MessageBoxImage.Exclamation);
if (messageBoxResult == MessageBoxResult.No)
{
// Try again.
goto ShowSaveLayoutDialog;
}
if (messageBoxResult == MessageBoxResult.Cancel)
{
// Abort.
layoutName = null;
}
}
}
}
if (!string.IsNullOrEmpty(layoutName))
{
try
{
// Save window layout as new preset.
var serializedLayout = Editor.SaveLayout(true);
var layout = new WindowLayout(layoutName, false)
{
SerializedLayout = serializedLayout
};
SaveUserPreset(layout);
if (existingLayout != null)
{
Layouts.Remove(existingLayout);
}
Layouts.Add(layout);
ActiveLayout = layout;
UpdateWindowLayoutItem();
}
catch (Exception exception)
{
Logger.Error(exception, "Could not save window layout as new preset \"{0}\".", layoutName);
string message = $"Could not save window layout as new preset \"{layoutName}\".\n\n{exception.Message}";
MessageBox.Show(message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
private void UninitializeLayouts()
{
Layouts.Clear();
ActiveLayout = null;
UpdateWindowLayoutItem();
}
