static NavigationContextConfig GetContextConfig(NavigationData navigationData)
{
if (navigationData == null)
return null;
Dictionary<string, object> contextData = new Dictionary<string, object>();
contextData[NavigationData.NAVIGATION_DATA] = navigationData;
return new NavigationContextConfig()
{
NavigationContextDisplayLabel = navigationData.DisplayName,
AdditionalContextVariables = contextData
};
}
static void PushTransientState(string name, string displayLabel, NavigationData navigationData)
{
WorkflowState newState = WorkflowState.CreateTransientState(name, displayLabel, false, "emulators", true, WorkflowType.Workflow);
IWorkflowManager workflowManager = ServiceRegistration.Get<IWorkflowManager>();
workflowManager.NavigatePushTransientAsync(newState, GetContextConfig(navigationData));
}
static void PushState(Guid stateId, NavigationData navigationData)
{
IWorkflowManager workflowManager = ServiceRegistration.Get<IWorkflowManager>();
workflowManager.NavigatePush(stateId, GetContextConfig(navigationData));
}
NavigationData getStartupNavigationData()
{
NavigationData navigationData = new NavigationData();
List<ListItem> items;
switch (startupState)
{
case StartupState.GROUPS:
navigationData.DisplayName = "[Emulators.Groups]";
var groups = RomGroup.GetAll();
items = groups.Select(g => (ListItem)new GroupViewModel(g, this)).ToList();
break;
case StartupState.PCGAMES:
navigationData.DisplayName = "[Emulators.PCGames]";
var games = Emulator.GetPC().Games;
items = games.Select(g => (ListItem)new GameViewModel(g, this)).ToList();
break;
case StartupState.FAVOURITES:
navigationData.DisplayName = "[Emulators.Favourites]";
BaseCriteria favCriteria = new BaseCriteria(DBField.GetField(typeof(Game), "Favourite"), "=", true);
var favourites = EmulatorsCore.Database.Get<Game>(favCriteria);
items = favourites.Select(g => (ListItem)new GameViewModel(g, this)).ToList();
break;
case StartupState.EMULATORS:
default:
navigationData.DisplayName = "[Emulators.Emulators]";
var emulators = Emulator.GetAll(true);
items = emulators.Select(e => (ListItem)new EmulatorViewModel(e, this)).ToList();
break;
}
navigationData.StartupState = startupState;
navigationData.ItemsList = items;
return navigationData;
}
void updateState(NavigationContext context)
{
bool updateList = false;
navigationData = GetNavigationData(context);
if (context.WorkflowState.StateId == Guids.ViewItemsState && (navigationData == null || navigationData.StartupState != startupState))
{
updateList = true;
navigationData = getStartupNavigationData();
context.SetContextVariable(NavigationData.NAVIGATION_DATA, navigationData);
}
if (navigationData != null)
{
Header = navigationData.DisplayName;
ItemsList items = Items;
if (items != null && updateList)
{
items.Clear();
foreach (ListItem item in navigationData.ItemsList)
items.Add(item);
items.FireChange();
}
else
{
items = new ItemsList();
foreach (ListItem item in navigationData.ItemsList)
items.Add(item);
Items = items;
}
}
}
public void GroupSelected(RomGroup group)
{
group.Refresh();
List<ListItem> items = new List<ListItem>();
foreach (DBItem item in group.GroupItems)
{
Game game = item as Game;
if (game != null)
{
items.Add(new GameViewModel(game, this));
continue;
}
RomGroup subGroup = item as RomGroup;
if (subGroup != null)
{
items.Add(new GroupViewModel(subGroup, this));
continue;
}
Emulator emulator = item as Emulator;
if (emulator != null)
items.Add(new EmulatorViewModel(emulator, this));
}
NavigationData navigationData = new NavigationData() { DisplayName = group.Title, ItemsList = items };
PushTransientState("emuSubGroup", navigationData.DisplayName, navigationData);
}
public void EmulatorSelected(Emulator emulator)
{
List<ListItem> items = emulator.Games.Select(g => (ListItem)new GameViewModel(g, this)).ToList();
NavigationData navigationData = new NavigationData() { DisplayName = emulator.Title, ItemsList = items };
PushTransientState("emuGames", navigationData.DisplayName, navigationData);
}
