public static async Task <bool> SwitchMainPageAsync(NavigableViewModel viewModel, bool isNavPage = false, params object[] prepareData)
{
if (!await viewModel.OnPrepareViewAsync(prepareData))
{
throw new Exception($"Failed OnInitializeView, viewModel: {viewModel.GetType().FullName}");
}
if (Application.Current.MainPage is MasterDetailPage masterPage)
{
if (isNavPage)
{
masterPage.Detail = new MaterialNavigationPage(viewModel.CoupledPage);
}
else
{
masterPage.Detail = viewModel.CoupledPage;
}
}
else
{
if (isNavPage)
{
Application.Current.MainPage = new MaterialNavigationPage(viewModel.CoupledPage);
}
else
{
Application.Current.MainPage = viewModel.CoupledPage;
}
}
return(true);
}
public void NavigateTo(Type key, object parameter = null)
{
CurrentViewModel?.OnNavigatingTo(parameter);
CurrentViewModel = _registeredViewModels[key].Invoke();
Uri uri = _registeredViews[key];
((MainWindow)Application.Current.MainWindow).Frame.Source = uri;
((MainWindow)Application.Current.MainWindow).Frame.DataContext = CurrentViewModel;
CurrentViewModel.OnNavigatedTo(parameter);
}
public async Task NavigateToPageAsync(NavigableViewModel navigationPage, NavigationData.NavigationData navigationData)
{
if (navigationPage is LoginViewModel)
{
await NavigateToLoginPageAsync(navigationData);
}
else
{
await NavigateToMainPageAsync(navigationData);
}
}
public static async Task <bool> PushNavPageAsync(NavigableViewModel viewModel, params object[] prepareData)
{
if (!await viewModel.OnPrepareViewAsync(prepareData))
{
throw new Exception($"Failed OnInitializeView, viewModel: {viewModel.GetType().FullName}");
}
await Application.Current.MainPage.Navigation.PushAsync(viewModel.CoupledPage, false);
await Task.Delay(1500);
return(true);
}
/// <summary>
/// Since a <see cref="GalaSoft.MvvmLight.Command.RelayCommand"/> does not accept keyboard shortcuts,
/// we have to manually invoke the commands on a keyboard event.
/// </summary>
private void OnKeyDown(object sender, KeyEventArgs e)
{
KeyboardDevice keyboardDevice = e.KeyboardDevice;
if (keyboardDevice.IsKeyDown(Key.LeftCtrl) || keyboardDevice.IsKeyDown(Key.RightCtrl))
{
// Use CTRL+Numbers (starting at 1) to navigate to the respective tabs.
NavigationPageEnum?navigationTarget = null;
switch (e.Key)
{
case Key.D1:
case Key.NumPad1:
navigationTarget = NavigationPageEnum.Home;
break;
case Key.D2:
case Key.NumPad2:
navigationTarget = NavigationPageEnum.Srs;
break;
case Key.D3:
case Key.NumPad3:
navigationTarget = NavigationPageEnum.Kanji;
break;
case Key.D4:
case Key.NumPad4:
navigationTarget = NavigationPageEnum.Vocab;
break;
case Key.D5:
case Key.NumPad5:
navigationTarget = NavigationPageEnum.Settings;
break;
}
if (navigationTarget.HasValue)
{
NavigableViewModel navModel = (NavigableViewModel)HomePage.DataContext;
navModel.NavigateCommand.Execute(navigationTarget.Value);
e.Handled = true;
}
}
}
/// <summary>
/// Since a <see cref="GalaSoft.MvvmLight.Command.RelayCommand"/> does not accept keyboard shortcuts,
/// we have to manually invoke the commands on a keyboard event.
/// </summary>
private void OnKeyDown(object sender, KeyEventArgs e)
{
if (e.KeyModifiers.HasFlag(KeyModifiers.Control))
{
// Use CTRL+Numbers (starting at 1) to navigate to the respective tabs.
NavigationPageEnum?navigationTarget = null;
switch (e.Key)
{
case Key.D1:
case Key.NumPad1:
navigationTarget = NavigationPageEnum.Home;
break;
case Key.D2:
case Key.NumPad2:
navigationTarget = NavigationPageEnum.Srs;
break;
case Key.D3:
case Key.NumPad3:
navigationTarget = NavigationPageEnum.Kanji;
break;
case Key.D4:
case Key.NumPad4:
navigationTarget = NavigationPageEnum.Vocab;
break;
case Key.D5:
case Key.NumPad5:
navigationTarget = NavigationPageEnum.Settings;
break;
}
if (navigationTarget.HasValue)
{
NavigableViewModel navModel = (NavigableViewModel)this.Find <HomePage>("HomePage").DataContext;
navModel.NavigateCommand.Execute(navigationTarget.Value);
e.Handled = true;
}
}
}
protected void Navigate(NavigableViewModel navigable)
{
((INavigableViewModel)this).Navigate(navigable);
}
void INavigableViewModel.Navigate(NavigableViewModel navigable)
{
Content = navigable;
}
protected void Navigate(NavigableViewModel navigable)
{
navigableViewModel.Navigate(navigable);
}
protected void Navigate(NavigableViewModel navigable)
{
((INavigableViewModel)this).Navigate(navigable);
}
void INavigableViewModel.Navigate(NavigableViewModel navigable)
{
Content = navigable;
}
