void NavigateTo(NavigationMode mode, object parameter)
{
LastNavigationParameter = parameter;
LastNavigationType = FrameFacade.Content.GetType().FullName;
if (mode == NavigationMode.New)
{
FrameFacade.ClearFrameState();
}
var page = FrameFacade.Content as Page;
if (page != null)
{
if (page.DataContext == null)
{
// to support dependency injection, but keeping it optional.
var viewmodel = BootStrapper.Current.ResolveForPage(page.GetType(), this);
if (viewmodel != null)
{
page.DataContext = viewmodel;
}
}
// call viewmodel
var dataContext = page.DataContext as INavigable;
if (dataContext != null)
{
// prepare for state load
dataContext.NavigationService = this;
var pageState = FrameFacade.PageStateContainer(page.GetType());
dataContext.OnNavigatedTo(parameter, mode, pageState);
}
}
}
void NavigateTo(NavigationMode mode, object parameter)
{
LastNavigationParameter = parameter;
LastNavigationType = FrameFacade.Content.GetType().FullName;
if (mode == NavigationMode.New)
{
FrameFacade.ClearFrameState();
}
var page = FrameFacade.Content as Page;
if (page != null)
{
// call viewmodel
var dataContext = page.DataContext as INavigable;
if (dataContext != null)
{
if (dataContext.Identifier != null &&
(mode == NavigationMode.Forward || mode == NavigationMode.Back))
{
// don't call load if cached && navigating back/forward
return;
}
else
{
// prepare for state load
dataContext.NavigationService = this;
var pageState = FrameFacade.PageStateContainer(page.GetType());
dataContext.OnNavigatedTo(parameter, mode, pageState);
}
}
}
}
void NavigateTo(NavigationMode mode, object parameter, object frameContent = null)
{
DebugWrite($"Mode: {mode}, Parameter: {parameter} FrameContent: {frameContent}");
frameContent = frameContent ?? Frame.Content;
LastNavigationParameter = parameter;
LastNavigationType = frameContent.GetType().FullName;
if (mode == NavigationMode.New)
{
FrameFacade.ClearFrameState();
}
var page = frameContent as Page;
if (page != null)
{
if (page.DataContext == null)
{
// to support dependency injection, but keeping it optional.
var viewmodel = BootStrapper.Current.ResolveForPage(page.GetType(), this);
if (viewmodel != null)
{
page.DataContext = viewmodel;
}
}
// call viewmodel
var dataContext = page.DataContext as INavigable;
if (dataContext != null)
{
// prepare for state load
dataContext.NavigationService = this;
dataContext.Dispatcher = Common.WindowWrapper.Current(this)?.Dispatcher;
dataContext.SessionState = BootStrapper.Current.SessionState;
var pageState = FrameFacade.PageStateSettingsService(page.GetType()).Values;
dataContext.OnNavigatedTo(parameter, mode, pageState);
}
}
}