/// <summary>
/// Command callback.
/// Called to navigate to a category.
/// </summary>
/// <param name="selectedCategory">Value selected.</param>
private async void OnCategorySelection(SettingsCategoryEnum selectedCategory)
{
if (selectedCategory == _currentCategory)
{
return;
}
if (ContentViewModel.IsChangePending)
{
var result = await MessageBoxManager.GetMessageBoxStandardWindow(new MessageBoxStandardParams
{
ContentTitle = "Pending changes",
ContentMessage = $"Some changes were not saved{Environment.NewLine}Do you want to save them?",
ButtonDefinitions = ButtonEnum.YesNoCancel,
Icon = Icon.Info,
}).ShowDialog(NavigationActor.Instance.MainWindow);
switch (result)
{
case ButtonResult.Yes:
OnSaveSettings();
break;
case ButtonResult.Cancel:
return; // Do not navigate on cancel.
}
}
Navigate(selectedCategory);
}
/// <summary>
/// Command callback.
/// Called to navigate to a category.
/// </summary>
/// <param name="selectedCategory">Value selected.</param>
private void OnCategorySelection(SettingsCategoryEnum selectedCategory)
{
if (selectedCategory == _currentCategory)
{
return;
}
if (ContentViewModel.IsChangePending)
{
MessageBoxResult choice = MessageBox.Show(NavigationActor.Instance.ActiveWindow,
string.Format("Some changes were not saved.{0}Do you want to save them?",
Environment.NewLine),
"Pending changes",
System.Windows.MessageBoxButton.YesNoCancel,
System.Windows.MessageBoxImage.Information,
MessageBoxResult.Cancel);
switch (choice)
{
case MessageBoxResult.Yes:
OnSaveSettings();
break;
case MessageBoxResult.Cancel:
return; // Do not navigate on cancel.
}
}
Navigate(selectedCategory);
}
/// <summary>
/// Navigates to the settings page, and performs an intra-navigation
/// to the specified settings page.
/// </summary>
/// <param name="page">Page to navigate to.</param>
public void NavigateToSettings(SettingsCategoryEnum page)
{
lock (_mainWindowLock)
{
RequireMainWindow();
CurrentPage = NavigationPageEnum.Settings;
SettingsVm.Navigate(page);
}
}
/// <summary>
/// Navigates to the given settings category, if it is not already the
/// current category.
/// </summary>
/// <param name="targetCategory">Category to attain.</param>
public void Navigate(SettingsCategoryEnum targetCategory, bool force = false)
{
if (CurrentCategory != targetCategory || force)
{
_currentCategory = targetCategory;
if (_contentViewModel != null)
{
_contentViewModel.Dispose();
}
_contentViewModel = GetViewModelByCategory(targetCategory);
// Raise a property changed on the whole view model.
// Doing so will prevent a temporary mismatch between the
// current category and the content view model.
RaisePropertyChanged(null);
}
}
/// <summary>
/// Gets a new settings view model built according to the given
/// settings category.
/// </summary>
/// <param name="c">Category to match.</param>
/// <returns></returns>
private SettingsPageViewModel GetViewModelByCategory(SettingsCategoryEnum c)
{
switch (c)
{
case SettingsCategoryEnum.Application:
return(new ApplicationSettingsViewModel());
case SettingsCategoryEnum.Kanji:
return(new KanjiSettingsViewModel());
case SettingsCategoryEnum.Vocab:
return(new VocabSettingsViewModel());
case SettingsCategoryEnum.Srs:
return(new SrsSettingsViewModel());
default:
throw new ArgumentException(
string.Format("Unknown category: {0}.", c));
}
}
/// <summary>
/// Command callback.
/// Called to navigate to a category.
/// </summary>
/// <param name="selectedCategory">Value selected.</param>
private void OnCategorySelection(SettingsCategoryEnum selectedCategory)
{
if (selectedCategory == _currentCategory)
{
return;
}
if (ContentViewModel.IsChangePending)
{
MessageBoxResult choice = MessageBox.Show(NavigationActor.Instance.ActiveWindow,
string.Format("Some changes were not saved.{0}Do you want to save them?",
Environment.NewLine),
"Pending changes",
System.Windows.MessageBoxButton.YesNoCancel,
System.Windows.MessageBoxImage.Information,
MessageBoxResult.Cancel);
switch (choice)
{
case MessageBoxResult.Yes:
OnSaveSettings();
break;
case MessageBoxResult.Cancel:
return; // Do not navigate on cancel.
}
}
Navigate(selectedCategory);
}
/// <summary>
/// Gets a new settings view model built according to the given
/// settings category.
/// </summary>
/// <param name="c">Category to match.</param>
/// <returns></returns>
private SettingsPageViewModel GetViewModelByCategory(SettingsCategoryEnum c)
{
switch (c)
{
case SettingsCategoryEnum.Application:
return new ApplicationSettingsViewModel();
case SettingsCategoryEnum.Kanji:
return new KanjiSettingsViewModel();
case SettingsCategoryEnum.Vocab:
return new VocabSettingsViewModel();
case SettingsCategoryEnum.Srs:
return new SrsSettingsViewModel();
default:
throw new ArgumentException(
string.Format("Unknown category: {0}.", c));
}
}
/// <summary>
/// Navigates to the given settings category, if it is not already the
/// current category.
/// </summary>
/// <param name="targetCategory">Category to attain.</param>
public void Navigate(SettingsCategoryEnum targetCategory, bool force = false)
{
if (CurrentCategory != targetCategory || force)
{
_currentCategory = targetCategory;
if (_contentViewModel != null)
{
_contentViewModel.Dispose();
}
_contentViewModel = GetViewModelByCategory(targetCategory);
// Raise a property changed on the whole view model.
// Doing so will prevent a temporary mismatch between the
// current category and the content view model.
RaisePropertyChanged(null);
}
}
/// <summary>
/// Navigates to the settings page, and performs an intra-navigation
/// to the specified settings page.
/// </summary>
/// <param name="page">Page to navigate to.</param>
public void NavigateToSettings(SettingsCategoryEnum page)
{
lock (_mainWindowLock)
{
RequireMainWindow();
CurrentPage = NavigationPageEnum.Settings;
SettingsVm.Navigate(page);
}
}
