private void Tabs_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
var tab = e.NewItems[0] as TabBarTab;
tab.BadgeChanged += this.OnTabBadgeChanged; // TODO: unsubscribe from the event for removed tabs
var stack = new StackNavigationFrame(this.styler);
this.navigationStacks.Add(stack);
if (tab.Icon != null)
{
stack.TabBarItem.Image = tab.Icon.GetUIImage();
}
stack.TabBarItem.Title = tab.Title;
this.AddChildViewController(stack);
stack.Navigate(tab.PageType, tab.NavigationParameter, NavigationType.Default);
if (this.currentTabIndex == -1)
{
this.currentTabIndex = 0;
}
break;
case NotifyCollectionChangedAction.Remove:
case NotifyCollectionChangedAction.Replace:
break;
default:
throw new InvalidEnumArgumentException();
}
this.CurrentPage = this.navigationStacks[this.currentTabIndex].CurrentPage;
this.visualRoot.Child = this.CurrentPage;
}
private void Tabs_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
var tab = e.NewItems[0] as TabBarTab;
tab.BadgeChanged += this.OnTabBadgeChanged; // TODO: unsubscribe from the event for removed tabs
var stack = new StackNavigationFrame(this.styler);
this.navigationStacks.Add(stack);
if (tab.Icon != null)
{
stack.TabBarItem.Image = tab.Icon.GetUIImage();
}
stack.TabBarItem.Title = tab.Title;
this.AddChildViewController(stack);
stack.Navigate(tab.PageType, tab.NavigationParameter, NavigationType.Default);
if (this.currentTabIndex == -1)
{
this.currentTabIndex = 0;
}
break;
case NotifyCollectionChangedAction.Remove:
case NotifyCollectionChangedAction.Replace:
break;
default:
throw new InvalidEnumArgumentException();
}
this.CurrentPage = this.navigationStacks[this.currentTabIndex].CurrentPage;
this.visualRoot.Child = this.CurrentPage;
}
private void NativeShowPage(AppercodePage pageInstance, NavigationMode mode, NavigationType navigationType)
{
if (mode == NavigationMode.New || mode == NavigationMode.Forward)
{
if (navigationType == NavigationType.Modal)
{
// the idea taken at https://github.com/HugeLawn-MiracleApps/Xamarin-Forms-Labs/commit/87a8d5a5c1b9628de222d1d509e46865d255db7b
var topViewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
while (topViewController.PresentedViewController != null)
{
topViewController = topViewController.PresentedViewController;
}
var modalNavigationFrame = new StackNavigationFrame(this, pageInstance.ViewController);
topViewController.PresentViewController(modalNavigationFrame, true, null);
}
else
{
this.PushViewController(pageInstance.ViewController, true);
}
}
else if (mode == NavigationMode.Back)
{
if (navigationType == NavigationType.Modal)
{
this.DismissViewController(true, null);
}
else
{
this.isGoingBack = true;
this.PopToViewController(pageInstance.ViewController, true);
}
}
}
private StackNavigationFrame(StackNavigationFrame parent, UIViewController rootViewController)
: base(rootViewController)
{
this.styler = parent.styler;
this.Initialize();
}
private void NativeShowPage(AppercodePage pageInstance, NavigationMode mode, NavigationType navigationType)
{
if (mode == NavigationMode.New || mode == NavigationMode.Forward)
{
if (navigationType == NavigationType.Modal)
{
var modalNavigationFrame = new StackNavigationFrame(this, pageInstance.ViewController);
this.PresentViewController(modalNavigationFrame, true, null);
}
else
{
this.PushViewController(pageInstance.ViewController, true);
}
}
else if (mode == NavigationMode.Back)
{
if (navigationType == NavigationType.Modal)
{
this.DismissViewController(true, null);
}
else
{
this.isGoingBack = true;
this.PopToViewController(pageInstance.ViewController, true);
}
}
}
private void NativeShowPage(AppercodePage pageInstance, NavigationMode mode, NavigationType navigationType)
{
if (mode == NavigationMode.New || mode == NavigationMode.Forward)
{
if (navigationType == NavigationType.Modal)
{
// the idea taken at https://github.com/HugeLawn-MiracleApps/Xamarin-Forms-Labs/commit/87a8d5a5c1b9628de222d1d509e46865d255db7b
var topViewController = UIApplication.SharedApplication.KeyWindow.RootViewController;
while (topViewController.PresentedViewController != null)
{
topViewController = topViewController.PresentedViewController;
}
var modalNavigationFrame = new StackNavigationFrame(this, pageInstance.ViewController);
topViewController.PresentViewController(modalNavigationFrame, true, null);
}
else
{
this.PushViewController(pageInstance.ViewController, true);
}
}
else if (mode == NavigationMode.Back)
{
if (navigationType == NavigationType.Modal)
{
this.DismissViewController(true, null);
}
else
{
this.isGoingBack = true;
this.PopToViewController(pageInstance.ViewController, true);
}
}
}
private StackNavigationFrame(StackNavigationFrame parent, UIViewController rootViewController)
: base(rootViewController)
{
this.styler = parent.styler;
this.Initialize();
}
