/// <summary>
/// Called when the <see cref="TargetView"/> has just been loaded.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
/// <remarks>
/// This method will call the <see cref="OnTargetViewLoadedAsync"/> which can be overriden for custom
/// behavior. This method is required to protect from duplicate loaded events.
/// </remarks>
#pragma warning disable AvoidAsyncVoid // Avoid async void
private async void OnTargetViewLoadedInternal(object sender, EventArgs e)
#pragma warning restore AvoidAsyncVoid // Avoid async void
{
if (!CanLoad)
{
return;
}
Log.Debug($"Target view '{TargetViewType?.Name}' has been loaded");
var view = TargetView;
if (view != null)
{
_viewManager.RegisterView(view);
}
IsTargetViewLoaded = true;
var dataContext = view.DataContext;
LastKnownDataContext = (dataContext != null) ? new WeakReference(dataContext) : null;
await OnTargetViewLoadedAsync(sender, e);
TargetView.EnsureVisualTree();
var targetViewAsViewModelContainer = TargetView as IViewModelContainer;
if (targetViewAsViewModelContainer != null)
{
ViewToViewModelMappingHelper.InitializeViewToViewModelMappings(targetViewAsViewModelContainer);
}
TargetView.Dispatch(() =>
{
#pragma warning disable 4014
// No need to await
InitializeViewModelAsync();
#pragma warning restore 4014
});
IsLoading = false;
}
/// <summary>
/// Called when the <see cref="TargetView"/> has just been loaded.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
/// <remarks>
/// This method will call the <see cref="OnTargetViewLoaded"/> which can be overriden for custom
/// behavior. This method is required to protect from duplicate loaded events.
/// </remarks>
private void OnTargetViewLoadedInternal(object sender, EventArgs e)
{
if (!CanLoad)
{
return;
}
Log.Debug("Target view '{0}' is loaded", TargetView.GetType().Name);
var view = TargetView;
if (view != null)
{
_viewManager.RegisterView(view);
}
IsTargetViewLoaded = true;
OnTargetViewLoaded(sender, e);
TargetView.EnsureVisualTree();
var targetViewAsViewModelContainer = TargetView as IViewModelContainer;
if (targetViewAsViewModelContainer != null)
{
ViewToViewModelMappingHelper.InitializeViewToViewModelMappings(targetViewAsViewModelContainer);
}
TargetView.Dispatch(() =>
{
#pragma warning disable 4014
// No need to await
InitializeViewModelAsync();
#pragma warning restore 4014
});
IsLoading = false;
}
