Simplification de la gestion d'evenements

DMX-2.0/EventManager.cs

@@ -14,10 +14,10 @@ namespace DMX2
 	{
 		string MenuName{ get; }
 		ICollection<string>  GetEventList();		
-		bool Bind (string eventId, IEventTarget target);
+		bool Bind (string eventId);
-		void Unbind (string eventId, IEventTarget target);
+		void Unbind (string eventId);
 		Gtk.Menu GetProviderSubMenu( EventManager.EventMenuData state, Gtk.ButtonPressEventHandler handler );
-		void ProcessEvents();
+		void ProcessEvents(EventManagerCallback callback);
 	}
 
 	public interface IEventTarget
@@ -25,6 +25,10 @@ namespace DMX2
 		bool FireEvent(EventData data);
 	}
 
+	public delegate void EventManagerCallback(EventData data);
+	public delegate void EventManagerMenuCallBack(object state, string eventId);
+
+
 	public class EventManager
 	{
 		static public object StateKey = new object();
@@ -32,18 +36,24 @@ namespace DMX2
 
 		class eventBinding
 		{
-			private eventBinding(){}
+			List<IEventTarget> targets=new List<IEventTarget>();
-			public eventBinding(string _id, IEventTarget _target, IEventProvider _provider){
+			public void AddTarget(IEventTarget target)
-				id=_id; 
+			{
-				target=_target;
+				if(!targets.Contains(target))
-				provider=_provider;
+					targets.Add(target);
+			}
+			public void RemoveTarget(IEventTarget target)
+			{
+				targets.Remove(target);
+			}
+			public ICollection<IEventTarget> Targets {
+				get {
+					return targets;
+				}
 			}
-			public string id;
-			public IEventTarget target;
-			public IEventProvider provider;
 		}
 
-		List<eventBinding> bindings = new List<eventBinding>();
+		Dictionary<string,eventBinding> bindings = new Dictionary<string,eventBinding>();
 		List<IEventProvider> providers = new List<IEventProvider>();
 
 		public EventManager ()
@@ -55,25 +65,15 @@ namespace DMX2
 		{
 			providers.Add (prov);
 
-			//List<string> evList = new List<string>(prov.GetEventList());
-
-			foreach (eventBinding b in bindings) {
-				if(b.provider == null)
-				{
-					if(prov.Bind(b.id,b.target))
-						b.provider = prov;
-				}
-			}
 
 		}
 
-		public delegate void EventMenuCallBack(object state, string eventId);
 		public class EventMenuData {
-			public EventMenuCallBack CallBack;
+			public EventManagerMenuCallBack CallBack;
 			public object state;
 		}
 
-		public Gtk.Menu GetMenu (object state, EventMenuCallBack callback)
+		public Gtk.Menu GetMenu (object state, EventManagerMenuCallBack callback)
 		{
 			Gtk.Menu menu = new Gtk.Menu ();
 			EventMenuData evd = new EventMenuData();
@@ -103,47 +103,48 @@ namespace DMX2
 		public void ProcessEvents ()
 		{
 			foreach (IEventProvider prov in providers) {
-				prov.ProcessEvents();
+				prov.ProcessEvents(new EventManagerCallback(EventCallBack));
 			}
 		}
 
 		public void UnregisterProvider (IEventProvider prov)
 		{
-			foreach (eventBinding b in bindings) 
-				if(b.provider == prov)
-					b.provider = null;
 			providers.Remove(prov);
 		}
 
 		public bool Bind (string eventId, IEventTarget target)
 		{
-
+			if(!bindings.ContainsKey(eventId)) 
+				bindings.Add (eventId,new eventBinding());
+			bindings[eventId].AddTarget(target);
 			foreach (IEventProvider prov in providers) {
-				if (prov.Bind (eventId, target)) {
+				if(prov.Bind(eventId)) return true;
-					bindings.Add(new eventBinding(eventId,target,prov));
-					return true;
 			}
-			}
-			bindings.Add(new eventBinding(eventId,target,null));
 			return false;
 		}
 
-		eventBinding findBinding (string eventId, IEventTarget target)
-		{
-			foreach (eventBinding b in bindings) {
-				if (b.id == eventId && b.target == target) {
-					return b;
-				}
-			}
-			return null;
-		}
 
 		public void Unbind (string eventId, IEventTarget target)
 		{
-			eventBinding b = findBinding(eventId,target);
+			if (!bindings.ContainsKey (eventId))
-			if(b==null)return;
+				return;
-			b.provider.Unbind(eventId,target);
+			bindings [eventId].RemoveTarget (target);
-			bindings.Remove (b);
+			if (bindings [eventId].Targets.Count == 0) {
+				bindings.Remove(eventId);
+			foreach (IEventProvider prov in providers) {
+				prov.Unbind(eventId);
+				}			
+			}
+		}
+
+
+		public void EventCallBack (EventData data)
+		{
+			if (bindings.ContainsKey (data.id)) {
+				foreach (IEventTarget target in bindings[data.id].Targets) {
+					target.FireEvent(data);
+				}
+			}			
 		}
 	}
 }

DMX-2.0/MidiEventProvider.cs

@@ -10,30 +10,24 @@ namespace DMX2
 		class internalEvent {
 			public string internalName;
 			public string description;
-			List<IEventTarget> boundTargets=null;
-
 			public internalEvent(string _id, string _desc)
 			{
 				internalName=_id;
 				description=_desc;
 			}
+			bool hasTargets;
+
 			public bool HasTargets {
 				get {
-					return boundTargets==null?false:boundTargets.Count>0;
+					return hasTargets;
 				}
-			}
+				set {
-			public List<IEventTarget> BoundTargets {
+					hasTargets = value;
-				get {
-					if(boundTargets==null) boundTargets = new List<IEventTarget>();
-					return boundTargets;
 				}
 			}
 		}
 
 		Dictionary<string,internalEvent> eventlist = new Dictionary<string, internalEvent>();
-
-
-
 		IntPtr midi_seq_handle = IntPtr.Zero;
 
 
@@ -63,20 +57,20 @@ namespace DMX2
 			return eventlist.Keys;
 		}
 
-		bool IEventProvider.Bind (string eventId, IEventTarget target)
+		bool IEventProvider.Bind (string eventId)
 		{
 			if (!eventlist.ContainsKey (eventId)) {
-				// TODO : check if non received yet midi event...
 				return false;
 			}
-			eventlist[eventId].BoundTargets.Add(target);
+			//TODO
+			eventlist[eventId].HasTargets = true;
 			return true;
 		}
 
-		void IEventProvider.Unbind (string eventId, IEventTarget target)
+		void IEventProvider.Unbind (string eventId)
 		{
 			if (!eventlist.ContainsKey (eventId)) return;
-			eventlist[eventId].BoundTargets.Remove(target);
+			eventlist[eventId].HasTargets =false;
 			return;
 		}
 
@@ -104,11 +98,11 @@ namespace DMX2
 
 		}
 
-		void IEventProvider.ProcessEvents ()
+		void IEventProvider.ProcessEvents (EventManagerCallback callback)
 		{
-			int ret; IntPtr evPtr;
+			IntPtr evPtr;
-			while ((ret = snd_seq_event_input_pending(midi_seq_handle,1))>0) {
+			while ((snd_seq_event_input_pending(midi_seq_handle,1))>0) {
-				ret=snd_seq_event_input(midi_seq_handle, out evPtr);
+				snd_seq_event_input(midi_seq_handle, out evPtr);
 				snd_seq_event_t evS =(snd_seq_event_t) Marshal.PtrToStructure(evPtr,typeof(snd_seq_event_t));
 				snd_seq_free_event(evPtr);
 
@@ -148,8 +142,7 @@ namespace DMX2
 							EventData evData = new EventData();
 							evData.id = id;
 							evData.value = (byte)value;
-							foreach( IEventTarget t in eventlist[id].BoundTargets)
+							callback(evData);
-								t.FireEvent(evData);
 						}
 					}
 				}

DMX-2.0/SeqLinUI.cs

@@ -246,7 +246,7 @@ namespace DMX2
 		void TirettePopup (object sender, ContextMenuEventArgs e)
 		{
 			Circuit c  = e.Widget.Data[circuitKey] as Circuit;
-			Menu m = Conduite.Courante.EventManager.GetMenu(c,new EventManager.EventMenuCallBack(TirettePopupEnd));
+			Menu m = Conduite.Courante.EventManager.GetMenu(c,new EventManagerMenuCallBack(TirettePopupEnd));
 			m.ShowAll();
 			m.Popup();
 		}

DMX-2.0/SequenceurLineaire.cs

@@ -447,18 +447,18 @@ namespace DMX2
 				effets.Add(Effet.Load(conduite,xe as System.Xml.XmlElement)); 
 		}
 
-		static System.Text.RegularExpressions.Regex regexCommand1 = new System.Text.RegularExpressions.Regex(
+		static System.Text.RegularExpressions.Regex regexCommandExec = new System.Text.RegularExpressions.Regex(
 			@"(?<effet>\d+)(t(?<transition>\d+))?",
 			System.Text.RegularExpressions.RegexOptions.Compiled);
 
-		static System.Text.RegularExpressions.Regex regexCommand2 = new System.Text.RegularExpressions.Regex(
+		static System.Text.RegularExpressions.Regex regexCommandProcess = new System.Text.RegularExpressions.Regex(
 			@"(?<effet>\d+)(?<params>(t\d+)?)?",
 			System.Text.RegularExpressions.RegexOptions.Compiled);
 
 		public override void Command (string command)
 		{
 			lock (this) {
-				var cmd = regexCommand1.Match(command);
+				var cmd = regexCommandExec.Match(command);
 
 				if (cmd.Success) {
 					if (cmd.Groups ["effet"].Success) {
@@ -481,7 +481,7 @@ namespace DMX2
 				string[] commands = Conduite.Courante.SequenceurMaitre.GetCommands (this);
 
 				for (int i = 0; i < commands.Length; i++) {
-					var cmd = regexCommand2.Match(commands[i]);
+					var cmd = regexCommandProcess.Match(commands[i]);
 					if(cmd.Success){
 						int ef = int.Parse(cmd.Groups["effet"].Value);
 						if (ef-1>index) { 
@@ -500,7 +500,7 @@ namespace DMX2
 				string[] commands = Conduite.Courante.SequenceurMaitre.GetCommands (this);
 
 				for (int i = 0; i < commands.Length; i++) {
-					var cmd = regexCommand2.Match(commands[i]);
+					var cmd = regexCommandProcess.Match(commands[i]);
 					if(cmd.Success){
 						int ef = int.Parse(cmd.Groups["effet"].Value);
 						if (ef-1 == index) 
@@ -525,7 +525,7 @@ namespace DMX2
 				int b = index+2;
 
 				for (int i = 0; i < commands.Length; i++) {
-					var cmd = regexCommand2.Match(commands[i]);
+					var cmd = regexCommandProcess.Match(commands[i]);
 					if(cmd.Success){
 						int ef = int.Parse(cmd.Groups["effet"].Value);
 						if (ef == a)