/// <summary>
/// Initializes a new instance of the <see cref="NavigationManager{TPageIdentifier}"/> class.
/// To gather page definitions it searches for classes marked with <see cref="NavigationPageAttribute"/> from <see cref="Assembly.GetCallingAssembly"/>
/// </summary>
/// <param name="fragmentManager">Fragment manager of main activity.</param>
/// <param name="rootFrame">The view which will be used as the one being replaced with new Views</param>
/// <param name="viewModelResolver">Class used to resolve ViewModels for pages derived from <see cref="FragmentBase{TViewModel}"/></param>
/// <param name="stackResolver">Class allowing to differentiate to which stack given indentigier belongs.</param>
/// <param name="interceptTransaction">Delegate allowing to modify <see cref="FragmentTransaction"/> before commiting.</param>
public NavigationManager(
FragmentManager fragmentManager,
ViewGroup rootFrame,
IViewModelResolver viewModelResolver = null,
IStackResolver <NavigationFragmentBase, TPageIdentifier> stackResolver = null,
Action <FragmentTransaction> interceptTransaction = null)
: base(stackResolver)
{
_fragmentManager = fragmentManager;
_rootFrame = rootFrame;
_interceptTransaction = interceptTransaction;
NavigationFragmentBase.ViewModelResolver = viewModelResolver;
var types = Assembly.GetCallingAssembly().GetTypes();
foreach (var type in types)
{
var attr = type.GetTypeInfo().GetCustomAttribute <NavigationPageAttribute>();
if (attr != null)
{
IPageProvider <NavigationFragmentBase> provider = null;
switch (attr.PageProviderType)
{
case NavigationPageAttribute.PageProvider.Cached:
provider = ObtainProviderFromType(typeof(CachedPageProvider <>));
break;
case NavigationPageAttribute.PageProvider.Oneshot:
provider = ObtainProviderFromType(typeof(OneshotPageProvider <>));
break;
default:
throw new ArgumentOutOfRangeException();
}
PageDefinitions.Add((TPageIdentifier)(object)attr.Page, provider);
}
IPageProvider <NavigationFragmentBase> ObtainProviderFromType(Type providerType)
{
return((IPageProvider <NavigationFragmentBase>)providerType.MakeGenericType(type)
.GetConstructor(new Type[] { })
.Invoke(null));
}
}
foreach (var pageDefinition in PageDefinitions)
{
pageDefinition.Value.PageIdentifier = pageDefinition.Key;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="NavigationManager{TPageIdentifier}"/> class.
/// To gather page definitions it searches for classes marked with <see cref="NavigationPageAttribute"/> from <see cref="Assembly.GetCallingAssembly"/>
/// </summary>
/// <param name="navigationController">Root navigation controller.</param>
/// <param name="viewModelResolver">Resolver to assign proper ViewModel instances.</param>
/// <param name="stackResolver">Class allowing to differentiate to which stack given indentigier belongs.</param>
public NavigationManager(
UINavigationController navigationController,
IViewModelResolver viewModelResolver,
IStackResolver <INavigationPage, TPageIdentifier> stackResolver = null)
: base(stackResolver)
{
_navigationController = navigationController;
ArgumentNavigationViewControler.ViewModelResolver = viewModelResolver;
ArgumentNavigationTabBarViewController.ViewModelResolver = viewModelResolver;
var types = Assembly.GetCallingAssembly().GetTypes();
foreach (var type in types)
{
var attr = type.GetTypeInfo().GetCustomAttribute <NavigationPageAttribute>();
if (attr != null)
{
IPageProvider <INavigationPage> providerType = null;
if (string.IsNullOrEmpty(attr.StoryboardName))
{
switch (attr.PageProviderType)
{
case NavigationPageAttribute.PageProvider.Cached:
providerType = ObtainProviderFromType(typeof(CachedPageProvider <>));
break;
case NavigationPageAttribute.PageProvider.Oneshot:
providerType = ObtainProviderFromType(typeof(OneshotPageProvider <>));
break;
default:
throw new ArgumentOutOfRangeException();
}
}
else
{
switch (attr.PageProviderType)
{
case NavigationPageAttribute.PageProvider.Cached:
providerType = ObtainProviderFromType(typeof(StoryboardCachedPageProvider <>), true);
break;
case NavigationPageAttribute.PageProvider.Oneshot:
providerType = ObtainProviderFromType(typeof(StoryboardOneshotPageProvider <>), true);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
PageDefinitions.Add((TPageIdentifier)(object)attr.Page, providerType);
}
IPageProvider <INavigationPage> ObtainProviderFromType(Type providerType, bool isStoryboard = false)
{
return((IPageProvider <INavigationPage>)providerType
.MakeGenericType(type)
.GetConstructor(isStoryboard ? new[] { typeof(NavigationPageAttribute) } : new Type[] { })
.Invoke(isStoryboard ? new object[] { attr } : null));
}
}
foreach (var pageDefinition in PageDefinitions)
{
pageDefinition.Value.PageIdentifier = pageDefinition.Key;
}
}