private static void CreateTab <T>(TabNavigationType navigationType)
{
var newTab = Mvx.Resolve <ITabProvider>()
.ShowViewModel(
new MvxViewModelRequest(typeof(T), new MvxBundle(), new MvxBundle(),
MvxRequestedBy.Unknown), navigationType);
newTab.IsBlinking = navigationType == TabNavigationType.NewBackgroundTab;
}
public override void Show(MvxViewModelRequest request)
{
try
{
TabNavigationType tabNavigationType = TabNavigationType.ActiveTab;
if (request.PresentationValues != null)
{
if (request.PresentationValues.ContainsKey(nameof(TabNavigationType)))
{
Enum.TryParse(request.PresentationValues[nameof(TabNavigationType)], true,
out tabNavigationType);
}
}
_appShell.TabManager.ProcessViewModelRequest(request, tabNavigationType);
}
catch (Exception exception)
{
MvxTrace.Trace("Error seen during navigation request to {0} - error {1}", request.ViewModelType.Name,
exception.ToLongString());
}
}
/// <summary>
/// Processes a view model request
/// </summary>
/// <param name="request">View model request</param>
/// <param name="tabNavigationType">Type of tab navigation to perform</param>
internal ITabInfo ProcessViewModelRequest(MvxViewModelRequest request, TabNavigationType tabNavigationType)
{
//process the request
var requestTranslator = Mvx.Resolve <IMvxViewsContainer>();
var viewType = requestTranslator.GetViewType(request.ViewModelType);
var converter = Mvx.Resolve <IMvxNavigationSerializer>();
var requestText = converter.Serializer.SerializeObject(request);
//prepare tab
var targetTab = ActiveTab;
bool activeAndNeedsNew = tabNavigationType == TabNavigationType.ActiveTab && ActiveTab == null;
if (activeAndNeedsNew || tabNavigationType != TabNavigationType.ActiveTab)
{
targetTab = CreateEmptyTab();
}
targetTab.Frame.Navigate(viewType, requestText);
if (tabNavigationType != TabNavigationType.NewBackgroundTab)
{
ActiveTab = targetTab;
}
return(targetTab);
}
/// <summary> /// Shows a view model using tab manager /// </summary> /// <param name="request">View model request</param> /// <param name="tabNavigationType">Tab navigation type</param> /// <returns>Used tab</returns> public ITabInfo ShowViewModel(MvxViewModelRequest request, TabNavigationType tabNavigationType) => GetTabManager().ProcessViewModelRequest(request, tabNavigationType);
