/// <summary>
/// Constructor
/// </summary>
/// <param name="zones"></param>
/// <param name="sources"></param>
public ZoneContext(List <ZoneGraphic> zones, List <SourceGraphic> sources)
{
_synchronizationContext = SynchronizationContext.Current;
this._zones = zones;
this._activeZone = zones[0];
this._zoneState = new ZoneState();
this._sources = sources.ToArray().ToList();
_viewSources = (ListCollectionView)CollectionViewSource.GetDefaultView(this._sources);
CommandBinding binding = new CommandBinding(CustomCommands.VolumeUp, VolumeUpCommand_Executed, VolumeUpCommand_CanExecute);
_bindings.Add(binding);
binding = new CommandBinding(CustomCommands.VolumeDown, VolumeDownCommand_Executed, VolumeDownCommand_CanExecute);
_bindings.Add(binding);
binding = new CommandBinding(CustomCommands.Power, PowerCommand_Executed, PowerCommand_CanExecute);
_bindings.Add(binding);
}
/// <summary>
/// Updates the context with the specified new zone context.
/// </summary>
/// <param name="context">The new zone context.</param>
public void UpdateContext(IHierarchyContext context)
{
if ((context is ZoneContext) == false)
{
return;
}
_ignoreViewSelectionChange = true;
ZoneContext newContext = context as ZoneContext;
_zones = newContext._zones;
_activeZone = _zones[0];
_sources = newContext._sources;
NotifyPropertyChanged(new PropertyChangedEventArgs(""));
_ignoreViewSelectionChange = false;
}
/// <summary>
/// Creates the specified zone of a floor view.
/// </summary>
/// <param name="zone">The zone to create.</param>
/// <param name="sources">All available sources</param>
private void CreateFloorZone(ZoneGraphic zone, List <SourceGraphic> sources)
{
int xOffset;
int yOffset;
CalculateOffset(zone.FloorPlanCoordinates, out xOffset, out yOffset);
List <Point> relativeCoordinates = ShiftCoordinates(zone.FloorPlanCoordinates, xOffset, yOffset);
ZoneGraphic zoneMod = new ZoneGraphic(zone.Id, zone.Name, zone.PicturePath, zone.PictureType, relativeCoordinates, zone.ZoneControlCoordinate);
ZoneControl zoneControl = new ZoneControl();
ZoneState state = new ZoneState();
List <ZoneGraphic> zones = new List <ZoneGraphic>();
zones.Add(zoneMod);
ZoneContext zoneContext = new ZoneContext(zones, sources);
zoneControl.DataContext = zoneContext;
Canvas.SetLeft(zoneControl, xOffset);
Canvas.SetTop(zoneControl, yOffset);
_canvasFloor.Children.Add(zoneControl);
zoneContext.ZoneLoaded();
}
/// <summary>
/// Navigate to a specified object of this context.
/// </summary>
/// <param name="id">The id of the object to navigate to. Here, this is the id of a zone.</param>
/// <param name="unsubscribePreviousZone">Set to true, if previous zone must be unsubscribed first.</param>
private void Navigate(Address id, bool unsubscribePreviousZone)
{
_ignoreViewSelectionChange = true;
ZoneGraphic tempZone = FindZone(id);
if (tempZone == null)
{
tempZone = _zones[0];
}
if (unsubscribePreviousZone)
{
Unsubscribe(_activeZone.Id);
}
_activeZone = tempZone;
Subscribe(_activeZone.Id);
NotifyPropertyChanged(new PropertyChangedEventArgs(""));
_ignoreViewSelectionChange = false;
}
