private void Initialize()
{
ConfigureMainView();
_navigationManager.AddRegionIfMissing(NormalRegion, RegionHeader);
INavigationRegion normalRegion = _navigationManager.Regions[NormalRegion];
normalRegion.Add(
new NavigationDescriptor()
{
ViewName = "WidgetView",
Header = "主 页",
ViewResolver = () => _container.Resolve <DefaultWidgetPanel>()
});
normalRegion.Add(
new NavigationDescriptor()
{
ViewName = "UserProfileManagementView",
Header = "账户管理",
ViewResolver = () => _container.Resolve <UserProfileManagementView>()
});
normalRegion.Add(
new NavigationDescriptor()
{
ViewName = "SyncView",
Header = "连接手机",
ViewResolver = () => _container.Resolve <SyncView>()
});
_navigationService.RequestNavigate(NormalRegion, "WidgetView");
}
public NavigationRegionViewModel(INavigationRegion navigationRegion)
{
_navigationRegion = navigationRegion;
_viewItems = new ObservableCollection<object>();
PopulateRegion(navigationRegion.NavigationViews);
_navigationRegion.NavigationViews.CollectionChanged += OnNavigationViewsChanged;
}
public NavigationRegionViewModel(INavigationRegion navigationRegion)
{
_navigationRegion = navigationRegion;
_viewItems = new ObservableCollection <object>();
PopulateRegion(navigationRegion.NavigationViews);
_navigationRegion.NavigationViews.CollectionChanged += OnNavigationViewsChanged;
}
private NavigationDescriptor ActivateView(string viewName, INavigationRegion region)
{
NavigationDescriptor descriptor = region.ActiveNavigationViews[viewName];
if (descriptor == null)
{
descriptor = region.Activate(viewName);
}
return(descriptor);
}
private INavigationRegion EnsureRegion(string regionName)
{
INavigationRegion region = _navigationManager.Regions[regionName];
if (region == null)
{
throw new InvalidOperationException(
string.Format("Navigation Region [{0}] does not exist"));
}
return(region);
}
public void AddRegionIfMissing(string regionName, string header)
{
INavigationRegion region = _regions[regionName];
if (region == null)
{
region = ServiceLocator.Current.GetInstance <INavigationRegion>();
region.Name = regionName;
region.Header = header;
_regions.Add(region);
}
}
public void RequestNavigate(string regionName, string viewName, string stateName)
{
if (_isInTransition)
{
return;
}
_isInTransition = true;
if (string.IsNullOrEmpty(regionName))
{
throw new ArgumentNullException("regionName");
}
if (string.IsNullOrEmpty(viewName))
{
throw new ArgumentNullException("viewName");
}
INavigationRegion region = EnsureRegion(regionName);
NavigationDescriptor descriptor = ActivateView(viewName, region);
ViewState viewState = EnsureState(regionName, viewName, stateName, descriptor);
OnNavigationStart(_previousDescriptor, descriptor, viewState);
Presenter.TransitionCompleted -= OnTransitionCompleted;
if (_previousDescriptor != null && _previousDescriptor.ViewName != descriptor.ViewName)
{
_targetDescriptor = descriptor;
_sourceDescriptor = _previousDescriptor;
_targetState = viewState;
Presenter.TransitionCompleted += OnTransitionCompleted;
Presenter.ApplyTransition(_previousDescriptor.ViewResolver(), descriptor.ViewResolver());
}
else
{
PostTransition();
}
_previousDescriptor = descriptor;
}
private NavigationDescriptor ActivateView(string viewName, INavigationRegion region)
{
NavigationDescriptor descriptor = region.ActiveNavigationViews[viewName];
if (descriptor == null)
{
descriptor = region.Activate(viewName);
}
return descriptor;
}
