/// <summary>
/// Shows the selected view.
/// </summary>
/// <param name="request">The request which indicates which view to show.</param>
private void ShowView(ShowViewRequest request)
{
Action action = () => ShowViewInternal(request);
if (DispatcherContext.IsSynchronized)
{
action();
}
else
{
DispatcherContext.Invoke(action);
}
}
/// <summary>
/// Shows the selected view.
/// </summary>
/// <param name="request">The request which indicates which view to show.</param>
private void ShowView(ShowViewRequest request)
{
Action action = () => ShowViewInternal(request);
if (DispatcherContext.IsSynchronized)
{
action();
}
else
{
DispatcherContext.Invoke(action);
}
}
private void ShowViewInternal(ShowViewRequest request)
{
var region = null as IRegion;
var regionManager = request.RegionManager ?? MainRegionManager;
// If the view already exists, re-activate it instead - this way we only resolve and initialise
// the presenter if we actually need it.
if (regionManager.Regions.ContainsRegionWithName(request.RegionName))
{
region = regionManager.Regions[request.RegionName];
if (region.HasViewByParameter(request.Parameter))
{
region.ActivateByParameter(request.Parameter);
return;
}
}
var presenter = (IPresenter)Container.Resolve(request.PresenterType);
var view = Container.Resolve(presenter.ViewType);
presenter.Initialize(view, request.Parameter);
RegionManager.SetRegionManager((DependencyObject)view, regionManager);
var viewWindow = view as Window;
if (viewWindow != null)
{
Action showWindow =
() =>
{
var mainWindow = Application.Current.MainWindow;
if (!ReferenceEquals(mainWindow, viewWindow))
{
if (request.IsModal)
{
viewWindow.Owner = Application.Current.MainWindow;
viewWindow.ShowDialog();
viewWindow.Owner = null;
}
else
{
viewWindow.Show();
}
}
else
{
viewWindow.Show();
}
};
if (viewWindow.Dispatcher.CheckAccess())
{
showWindow();
}
else
{
viewWindow.Dispatcher.Invoke(showWindow);
}
}
else
{
if (region == null)
{
throw new InvalidOperationException(
string.Format(
CultureInfo.InvariantCulture,
"The region '{0}' does not exist.",
request.RegionName));
}
region.AddAndActivateWithParameter(view, request.Parameter);
}
}
private void ShowViewInternal(ShowViewRequest request)
{
var region = null as IRegion;
var regionManager = request.RegionManager ?? MainRegionManager;
// If the view already exists, re-activate it instead - this way we only resolve and initialise
// the presenter if we actually need it.
if (regionManager.Regions.ContainsRegionWithName(request.RegionName))
{
region = regionManager.Regions[request.RegionName];
if (region.HasViewByParameter(request.Parameter))
{
region.ActivateByParameter(request.Parameter);
return;
}
}
var presenter = (IPresenter)Container.Resolve(request.PresenterType);
var view = Container.Resolve(presenter.ViewType);
presenter.Initialize(view, request.Parameter);
RegionManager.SetRegionManager((DependencyObject)view, regionManager);
var viewWindow = view as Window;
if (viewWindow != null)
{
Action showWindow =
() =>
{
var mainWindow = Application.Current.MainWindow;
if (!ReferenceEquals(mainWindow, viewWindow))
{
if (request.IsModal)
{
viewWindow.Owner = Application.Current.MainWindow;
viewWindow.ShowDialog();
viewWindow.Owner = null;
}
else
{
viewWindow.Show();
}
}
else
{
viewWindow.Show();
}
};
if (viewWindow.Dispatcher.CheckAccess())
{
showWindow();
}
else
{
viewWindow.Dispatcher.Invoke(showWindow);
}
}
else
{
if (region == null)
{
throw new InvalidOperationException(
string.Format(
CultureInfo.InvariantCulture,
"The region '{0}' does not exist.",
request.RegionName));
}
region.AddAndActivateWithParameter(view, request.Parameter);
}
}
