public StrategyBridge( DispatcherTimer timer, Func<ICKReadOnlyList<IHighlightableElement>> getElements, IPluginConfigAccessor config )
{
Implementations = new Dictionary<string, IScrollingStrategy>();
foreach( Type t in GetStrategyTypes() )
{
//Ignore some types
if( t == typeof( IScrollingStrategy ) || t == typeof( StrategyBridge ) || t == typeof( ScrollingStrategyBase ) )
continue;
IScrollingStrategy instance = (IScrollingStrategy)Activator.CreateInstance( t );
instance.Setup( timer, getElements, config );
if( Implementations.ContainsKey( instance.Name ) )
throw new InvalidOperationException( "Cannot register the duplicate strategy name : " + instance.Name );
Implementations[instance.Name] = instance;
}
_current = Implementations.Values.FirstOrDefault();
if( _current == null )
throw new InvalidOperationException( "One scrolling strategy at least must be available" );
}
public void Start()
{
Configuration.ConfigChanged += ( o, e ) =>
{
if( e.MultiPluginId.Any( u => u.UniqueId == KeyScrollerPlugin.PluginId.UniqueId ) )
{
if( e.Key == "Strategy" )
{
_scrollingStrategy.Stop();
_scrollingStrategy = GetStrategyByName( e.Value.ToString() );
_scrollingStrategy.Start();
}
}
};
ExternalInput.Service.Triggered += OnExternalInputTriggered;
}
/// <summary>
/// Switch to the specified strategy
/// </summary>
/// <param name="strategyName">The name of the strategy to switch to</param>
public void SwitchTo( string strategyName )
{
if( !Implementations.ContainsKey( strategyName ) )
{
strategyName = ZoneScrollingStrategy.StrategyName;
if( !Implementations.ContainsKey( strategyName ) ) throw new InvalidOperationException( "trying to switch ot an unknown strategy (" + strategyName + "). Fallbacking failed (there are no implementations available)" );
//A previous version of CiviKey has strategies that don't exist anymore. Loosening the process by implementing a fallback.
//throw new InvalidOperationException( "Cannot switch to the unknown strategy : " + strategyName );
}
_current.Stop();
_current = Implementations[strategyName];
_current.Start();
}
public bool Setup( IPluginSetupInfo info )
{
_timer = new DispatcherTimer();
int timerSpeed = Configuration.User.GetOrSet( "Speed", 1000 );
_timer.Interval = new TimeSpan( 0, 0, 0, 0, timerSpeed );
_registeredElements = new List<IHighlightableElement>();
_strategies = new Dictionary<string, IScrollingStrategy>();
foreach( string name in AvailableStrategies )
{
_strategies.Add( name, GetStrategyByName( name ) );
}
_scrollingStrategy = GetStrategyByName( Configuration.User.GetOrSet( "Strategy", "BasicScrollingStrategy" ) );
return true;
}