/// <summary>
/// Moves to details view helper.
/// </summary>
/// <param name="message">The message.</param>
private void MoveToDetailsViewHelper(MoveToDetailsViewMessage message)
{
switch (message.Strategy)
{
case MoveStrategy.AddContextToExisting:
if (CurrentlySelectedContextProvider.SelectedContext != null)
{
this.CurrentContext.Add(CurrentlySelectedContextProvider.SelectedContext);
//Notify that the context was added
MessageBus.Current.SendMessage(new AddContextMessage(CurrentlySelectedContextProvider.SelectedContext));
}
break;
case MoveStrategy.StartFresh:
foreach (var context in CurrentContext.ToArray())
{
this.CurrentContext.Remove(context);
//Notify that the context was removed
MessageBus.Current.SendMessage(new RemoveContextMessage(context));
}
break;
case MoveStrategy.MoveBackwards:
var contextToMoveTo = this.CurrentContext.Where(o => o.GetType().ToString() == message.TypeOfDetailsView).LastOrDefault();
if (contextToMoveTo != null)
{
SetObjectDisplayControl(contextToMoveTo.GetType().ToString(), contextToMoveTo);
}
break;
}
var objectDisplay = ObjectTypeDisplay(message.TypeOfDetailsView);
if (objectDisplay != null && objectDisplay.ContextProvider != null)
CurrentlySelectedContextProvider = objectDisplay.ContextProvider;
//Setup the UI
SetupUI();
}
/// <summary>
/// Called when you are supposed to [move to details view message].
/// </summary>
/// <param name="message">The message.</param>
private void OnMoveToDetailsViewMessage(MoveToDetailsViewMessage message)
{
//Get the corresponding ObjectToDisplay
var objectToDisplay = ObjectTypeDisplayControls.FirstOrDefault(objectDisplayControl => objectDisplayControl.ObjectTypeToDisplay == message.TypeOfDetailsView.ToString());
if (objectToDisplay == null)
return;
var contextProvider = objectToDisplay.ContextProvider;
if (contextProvider == null)
return;
//Check if the CurrentlySelectedContextProvider prevents navigation
var currentProvider = CurrentlySelectedContextProvider as IPreventNavigationFrom;
if (currentProvider == null)
MoveToDetailsViewHelper(message);
else
currentProvider.CanNavigateFrom(() => MoveToDetailsViewHelper(message));
}
