added dispatcher package

haxework/dispath/Dispatcher.hx

@@ -0,0 +1,30 @@
+package haxework.dispath;
+
+import haxe.ds.ObjectMap;
+
+class Dispatcher<L:{}> implements IDispatcher<L> {
+
+  private var listeners(null, null):ObjectMap<L, Bool>;
+
+  public function new() {
+    listeners = new ObjectMap<L, Bool>();
+  }
+
+  public function addListener(listener:L):Void {
+    listeners.set(listener, true);
+  }
+
+  public function removeListener(listener:L):Bool {
+    return listeners.remove(listener);
+  }
+
+  public function removeAllListeners():Void {
+    var i:Iterator<L> = listeners.keys();
+    while (i.hasNext()) listeners.remove(i.next());
+  }
+
+  public function dispatch(caller:L->Void):Void {
+    var i:Iterator<L> = listeners.keys();
+    while (i.hasNext()) caller(i.next());
+  }
+}

haxework/dispath/IDispatcher.hx

@@ -0,0 +1,13 @@
+package haxework.dispath;
+
+import haxe.ds.ObjectMap;
+
+interface IDispatcher<L:{}> {
+
+  private var listeners(null, null):ObjectMap<L, Bool>;
+
+  public function addListener(listener:L):Void;
+  public function removeListener(listener:L):Bool;
+  public function removeAllListeners():Void;
+  public function dispatch(caller:L->Void):Void;
+}