private ITableWatcher <T> CreateWrapperWatcher <T1>(ITableWatcher <T1> watcher)
where T1 : class, IInTableElement
{
BlockTableWatcher <T> wrapper = new BlockTableWatcher <T>(this,
(T _element) => {
T1 element = _element as T1;
if (element != null)
{
watcher.OnElementAdded(element);
}
},
(T _element) => {
T1 element = _element as T1;
if (element != null)
{
watcher.OnElementAdded(element);
}
},
(T _element) => {
T1 element = _element as T1;
if (element != null)
{
watcher.OnElementIndexChanged(element);
}
}
);
return(wrapper);
}
private void CheckWatcherWrapper()
{
if (_WatcherWrapper == null)
{
_WatcherWrapper = new BlockTableWatcher <T>(this, OnPropertyChanged, OnPropertyChanged, OnPropertyChanged);
AddTableWatcher(_WatcherWrapper);
}
}
private ITableWatcher <T> GetWrapperWatcher(ITableWatcher watcher)
{
ITableWatcher <T> wrapper = null;
if (_GenericWatcherMapping.TryGetValue(watcher, out wrapper))
{
return(wrapper);
}
return(null);
}
public MainWindow()
{
InitializeComponent();
m_ImageTimer = new Timer(UpdateImage, null, 1000, 1000);
m_TableWatcher = new TableWatcher();
m_TableWatcher.TableNowFree += delegate { Dispatcher.Invoke(() => LabelTableStatus.Content = "Table is now free"); };
m_TableWatcher.TableNowBusy += delegate { Dispatcher.Invoke(() => LabelTableStatus.Content = "Table is now busy"); };
}
public bool RemoveTableWatcher <T1>(ITableWatcher <T1> watcher)
where T1 : class, IInTableElement
{
ITableWatcher <T> wrapper = GetWrapperWatcher(watcher);;
if (wrapper != null)
{
return(WeakListHelper.Remove(_GenericWatchers, wrapper));
}
return(false);
}
public bool AddTableWatcher <T1>(ITableWatcher <T1> watcher)
where T1 : class, IInTableElement
{
ITableWatcher <T> wrapper = GetWrapperWatcher(watcher);;
if (wrapper == null)
{
wrapper = CreateWrapperWatcher <T1>(watcher);
return(WeakListHelper.Add(ref _GenericWatchers, wrapper));
}
return(false);
}
public TableWatcherStrategy()
{
TableWatcherAbstract = new AdapterFactory <T>().GetAdapter();
}
public bool RemoveTableWatcher(ITableWatcher <T> watcher)
{
return(WeakListHelper.Remove(_Watchers, watcher));
}
public bool AddTableWatcher(ITableWatcher <T> watcher)
{
return(WeakListHelper.Add(ref _Watchers, watcher));
}
