/// <summary>
/// remove current screen from stack and show preview screen
/// </summary>
public void ShowPreviousScreen()
{
//if showing/hiding animation isnt finishd
if (UIScreenAnimationManager.Instance.isAnimating)
{
return;
}
if (_screenStack.Count == 0)
{
LoggingManager.AddErrorToLog("Try return to preview screen, but screen stack is empty");
return;
}
IUIScreenNavigationController previousScreenNavigationController = _screenStack[_screenStack.Count - 1];
//remove last screen it must be curren opened screen
_screenStack.RemoveAt(_screenStack.Count - 1);
if (_screenStack.Count == 0)
{
//go to main screen
ShowNavigationOfPreviousScreen(_uiScreens[_finishScreen], previousScreenNavigationController.AnimationSettings, null);
}
else
{
//show preview screen from stack
ShowNavigationOfPreviousScreen(_uiScreens[_screenStack[_screenStack.Count - 1].ScreenID], previousScreenNavigationController.AnimationSettings, previousScreenNavigationController.Data);
}
}
/* Navigation by stack */
/// <summary>
/// Chack of stack
/// </summary>
/// <param name="navigationController">next showing screen</param>
private void CheckOnScreenStack(IUIScreenNavigationController navigationController)
{
if (navigationController.ScreenID == _finishScreen)
{
_screenStack.Clear();
}
else
{
_screenStack.Add(navigationController);
}
}
/// <summary>
/// Open screen
/// </summary>
/// <param name="navigationController"> navigation controller, where is saved date for opening screen</param>
public void ShowNavigationScreen(IUIScreenNavigationController navigationController)
{
if (CheckOfScreen(navigationController.ScreenID))
{
return;
}
//chack of screen stack
CheckOnScreenStack(navigationController);
_uiScreens[navigationController.ScreenID].SetData(navigationController.Data);
UIScreenAnimationManager.Instance.StartAnimateNavigation(navigationController.AnimationSettings, _uiScreens[navigationController.ScreenID], _currentScreen);
ChangeCurrentScreen(_uiScreens[navigationController.ScreenID]);
}
